阅读说明：本技术 一种钢板弹簧成型设备及其使用方法 (Steel plate spring forming equipment and using method thereof ) 是由 马永奇 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种钢板弹簧成型设备及其使用方法,包括包括机架和环形输送机构,所述环形输送机构的输送端均匀设置有多个升降机构,所述升降机构的升降端连接有压弧成型机构；所述机架上表面沿其长度方向依次设置有冲裁机构、预折弯机构和卷耳成型机构；所述机架上表面对称设置有两根导轨,所述导轨表面滑动安装有放置板,所述机架上表面设置有推送驱动组件；所述放置板上表面设置有承载立板,所述承载立板外侧安装有推料液压缸,所述推料液压缸的工作端连接有推料板。有益效果在于：能够依次实现钢板弹簧的连接通孔和长度的冲裁、卷耳的预折弯和卷耳成型和压弧成型工序,流水线式生产,无需多次烧红,节约能源,生产效率高,安全性好。(The invention discloses a steel plate spring forming device and a using method thereof, wherein the steel plate spring forming device comprises a rack and an annular conveying mechanism, wherein a plurality of lifting mechanisms are uniformly arranged at the conveying end of the annular conveying mechanism, and the lifting ends of the lifting mechanisms are connected with a pressure arc forming mechanism; the upper surface of the frame is sequentially provided with a blanking mechanism, a pre-bending mechanism and a lug rolling forming mechanism along the length direction of the frame; the upper surface of the rack is symmetrically provided with two guide rails, the surfaces of the guide rails are slidably provided with a placing plate, and the upper surface of the rack is provided with a pushing driving assembly; the upper surface of the placing plate is provided with a bearing vertical plate, the outer side of the bearing vertical plate is provided with a pushing hydraulic cylinder, and the working end of the pushing hydraulic cylinder is connected with a pushing plate. Has the advantages that: the punching of the connecting through hole and the length of the steel plate spring, the pre-bending of the rolling lug, the rolling lug forming and the arc pressing forming can be realized in sequence, the production line is realized, the repeated burning is not needed, the energy is saved, the production efficiency is high, and the safety is good.)

1. The utility model provides a leaf spring former which characterized in that: the device comprises a rack (1) and an annular conveying mechanism (9), wherein the rack (1) and the annular conveying mechanism (9) are linearly distributed, a plurality of lifting mechanisms (10) are uniformly arranged at the conveying end of the annular conveying mechanism (9), and the lifting ends of the lifting mechanisms (10) are connected with an arc pressing forming mechanism (11) for carrying out an arc pressing forming process of a steel plate spring;

the upper surface of the frame (1) is sequentially provided with a blanking mechanism (6), a pre-bending mechanism (7) and a lug rolling forming mechanism (8) along the length direction of the frame, and the blanking of the connecting through hole and the length of the steel plate spring, the pre-bending of the lug rolling and the lug rolling forming are respectively carried out;

the upper surface of the rack (1) is symmetrically provided with two guide rails (2), the guide rails (2) extend along the length direction of the rack (1), the surface of each guide rail (2) is slidably provided with a placing plate (5), and the upper surface of the rack (1) is provided with a pushing driving assembly (3) for driving the placing plates (5) to slide on the surface of the guide rails (2) to sequentially perform a punching process of connecting through holes and length, a pre-bending process of a rolling lug and a rolling lug forming process; the arc pressing forming mechanism is characterized in that a positioning hole (501) is formed in the surface of the placing plate (5), a conical positioning column (15) is installed inside the positioning hole (501) through a supporting spring (14), a bearing vertical plate (12) is arranged on the upper surface of the placing plate (5), a material pushing hydraulic cylinder (4) is installed on the outer side of the bearing vertical plate (12), the working end of the material pushing hydraulic cylinder (4) penetrates through the length direction of the rack (1), the bearing vertical plate (12) is connected with a material pushing plate (13), and the steel plate spring is pushed into the placing plate (5) inside the arc pressing forming mechanism (11).

2. The leaf spring forming apparatus of claim 1, wherein: propelling movement drive assembly (3) are including mounting panel (301), mounting panel (301) are installed frame (1) the outside, propelling movement motor (302) is installed in mounting panel (301) the outside, the output of propelling movement motor (302) runs through mounting panel (301) and be connected with propelling movement lead screw (304), propelling movement lead screw (304) with guide rail (2) parallel and be located two between guide rail (2), propelling movement slider (303) are installed through the screw thread in propelling movement lead screw (304) the outside, propelling movement slider (303) with place board (5) and be connected.

3. The leaf spring forming apparatus of claim 1, wherein: a blanking sliding groove (101), a pre-bending sliding groove (102) and a forming sliding groove (103) are sequentially arranged on the upper surface of the rack (1) along the length direction of the upper surface, and the blanking sliding groove (101), the pre-bending sliding groove (102) and the forming sliding groove (103) extend along the width direction of the rack (1) and respectively correspond to the blanking mechanism (6), the pre-bending mechanism (7) and the lug rolling forming mechanism (8);

the blanking mechanism (6) comprises a blanking top plate (602) and blanking bottom sliding blocks (606), the two blanking bottom sliding blocks (606) are symmetrically and slidably mounted inside the blanking sliding groove (101), the upper surface of each blanking bottom sliding block (606) is flush with the surface of the rack (1) and is connected with a blanking bearing seat (607), the surface of each blanking bearing seat (607) is flush with the surface of the placement plate (5), a cutter groove (6071) is formed in the upper surface of each blanking bearing seat (607), and a second blanking driving assembly (605) for driving the two blanking bottom sliding blocks (606) to slide in the blanking sliding groove (101) in the opposite direction or in the opposite direction is arranged on the bottom surface of the rack (1);

blanking roof (602) is in through column mouting frame (1) surface just is located blanking sliding tray (101) top, surface mounting has blanking pneumatic cylinder (601) on blanking roof (602), the vertical downward run-through of output of blanking pneumatic cylinder (601) blanking roof (602) just is connected with blanking lifter plate (604), blanking lifter plate (604) bottom surface is provided with punching post (610), punching post (610) with locating hole (501) are corresponding for carry out leaf spring connect the blanking processing of through-hole, blanking lifter plate (604) surface run through be provided with corresponding blanking adjustment tank (6041) of blanking sliding tray (101), the inside symmetry slidable mounting of blanking adjustment tank (6041) has two blanking upper portion sliders (609), blanking lifter plate (604) upper surface is provided with and is used for driving two blanking upper portion slider (609) are in inside opposite directions or two blanking adjustment tank (6041) are in blanking adjustment tank (6041) A first blanking driving component (603) sliding oppositely; the bottom surface of the blanking upper sliding block (609) penetrates through the blanking adjusting groove (6041) and is connected with a cutting knife (608), and the cutting knife (608) corresponds to the knife groove (6071).

4. The leaf spring forming apparatus of claim 3, wherein: the pre-bending mechanism (7) comprises two bending bottom sliding blocks (706) and a bending top plate (702), the two bending bottom sliding blocks (706) are symmetrically and slidably mounted inside the pre-bending sliding groove (102), a second bending driving assembly (705) used for driving the two bending bottom sliding blocks (706) to slide in the pre-bending sliding groove (102) in an opposite direction or in a back-to-back direction is arranged on the bottom surface of the rack (1), a bending supporting hydraulic cylinder (707) is mounted on the upper surface of the bending bottom sliding block (706), the output end of the bending supporting hydraulic cylinder (707) is vertically upward and is connected with a bending supporting roller (708), and the bending supporting roller (708) extends along the length direction of the rack (1);

the bending top plate (702) is arranged on the upper surface of the rack (1) through a stand column and is positioned above the bending sliding groove, a bending hydraulic cylinder (701) is arranged on the upper surface of the bending top plate (702), the output end of the bending hydraulic cylinder (701) vertically penetrates through the bending top plate (702) downwards and is connected with a bending lifting plate (704), a bending adjusting groove (7041) corresponding to the bending sliding groove is arranged on the surface of the bending lifting plate (704) in a penetrating manner, two bending upper sliding blocks (710) are symmetrically and slidably arranged in the bending adjusting groove (7041), a first bending driving assembly (703) used for driving the two bending upper sliding blocks (710) to slide in the bending adjusting groove (7041) in opposite directions or in opposite directions is arranged on the upper surface of the bending lifting plate (704), and a bending pressing roller (709) is connected to the bottom end of the bending upper sliding block (710), the bending compression roller (709) is parallel to the bending support roller (708) and is used for bending the end part of the steel plate in a matching manner.

5. The leaf spring forming apparatus of claim 4, wherein: the ear rolling forming mechanism (8) comprises an ear rolling top plate (802) and an ear rolling sliding block (808), the ear rolling top plate (802) is mounted on the upper surface of the rack (1) through an upright column and is positioned above the forming sliding groove (103), an ear rolling hydraulic cylinder (801) is mounted on the upper surface of the ear rolling top plate (802), and the output end of the ear rolling hydraulic cylinder (801) vertically penetrates through the ear rolling top plate (802) downwards and is connected with an ear rolling pressing plate (803);

the two lug rolling sliding blocks (808) are symmetrically and slidably mounted in the forming sliding groove (103), and a lug rolling driving assembly (805) for driving the two lug rolling sliding blocks (808) to slide in the forming sliding groove (103) in an opposite direction or in a reverse direction is arranged on the bottom surface of the rack (1); the upper surface of the lug rolling sliding block (808) is flush with the upper surface of the rack (1) and is connected with a lug rolling sliding table (809), the upper surface of the lug rolling sliding table (809) is provided with forming dies (804) and a fixing frame (806), the opposite surfaces of the two forming dies (804) are provided with insertion cavities (8041), the inner bottom surfaces of the insertion cavities (8041) are flush with the upper surface of the placing plate (5), and the inner walls of the insertion cavities (8041) are communicated with semicircular forming cavities (8042);

a lug rolling through hole (8061) is formed in the side, close to the forming die (804), of the fixing frame (806) in a penetrating mode, the lug rolling through hole (8061) is coaxial with the forming cavity (8042), a lug rolling positioning hydraulic cylinder (807) is installed on the outer side, far away from the forming die (804), of the fixing frame (806), the output end of the lug rolling positioning hydraulic cylinder (807) extends into the fixing frame (806) and is connected with a lug rolling positioning shaft (810), and the lug rolling positioning shaft (810) is coaxial with the lug rolling through hole (8061);

guide shafts (8043) are uniformly embedded in the inner wall of the molding cavity (8042);

the side face, far away from the fixing frame (806), of the forming die (804) is provided with a lug limiting plate (811), a lug limiting hole (8111) is formed in the lug limiting plate (811), and the lug limiting hole (8111) is coaxial with the lug positioning shaft (810) and is in clearance fit with the lug positioning shaft.

6. The leaf spring forming apparatus of claim 5, wherein: the structure of the first blanking driving assembly (603) is the same as that of the first bending driving assembly (703), the first blanking driving assembly (603) comprises a protection box (6033), the protection box (6033) is installed on the upper surface of the blanking lifting plate (604) and is connected with the output end of the blanking hydraulic cylinder (601), a first double-shaft motor (6034) is installed inside the protection box (6033), two output ends of the first double-shaft motor (6034) are respectively connected with a first upper driving lead screw (6032) and a second upper driving lead screw (6035), the screw rotating directions of the first upper driving lead screw (6032) and the second upper driving lead screw (6035) are opposite, the outer sides of the first upper driving lead screw (6032) and the second upper driving lead screw (6035) are respectively provided with a first upper moving seat (6031) and a second upper moving seat (6036) through screw threads, the first upper moving seat (6031) and the second upper moving seat (6036) are respectively connected with the two blanking upper sliding blocks (609);

blanking lifter plate (604) upper surface mounting has fixed plate (6037), fixed plate (6037) total two and respectively with first upper portion removes seat (6031) and second upper portion and removes seat (6036) and contact, fixed plate (6037) are close to the side-mounting of blanking adjustment tank (6041) has tight pneumatic cylinder (6038) of clamp, the output level extension of pressing from both sides tight pneumatic cylinder (6038) and be connected with driving plate (6039), vertical extension in driving plate (6039) bottom and be connected with location splint (6040), location splint (6040) with driving plate (6039) are down "T" style of calligraphy structure, are used for the cooperation fixed plate (6037) are right first upper portion removes seat (6031) and second upper portion and removes seat (6036) and presss from both sides tight location.

7. The leaf spring forming apparatus of claim 6, wherein: the second blanking driving component (605), the second bending driving component (705) and the ear rolling driving component (805) are the same in structure, the second blanking driving assembly (605) comprises a second double-shaft motor (6051), the second double-shaft motor (6051) is arranged on the bottom surface of the frame (1), two output ends of the second double-shaft motor (6051) are respectively connected with a first bottom driving screw rod (6052) and a second bottom driving screw rod (6054), the thread directions of the first bottom driving screw rod (6052) and the second bottom driving screw rod (6054) are opposite, a first bottom moving seat (6053) and a second bottom moving seat (6055) are respectively installed on the outer sides of the first bottom driving screw rod (6052) and the second bottom driving screw rod (6054) through threads, the first bottom moving seat (6053) and the second bottom moving seat (6055) are respectively connected with the two blanking bottom sliding blocks (606).

8. The leaf spring forming apparatus of claim 1, wherein: the annular conveying mechanism (9) comprises a conveying frame (901), two layers of conveying bearing plates (902) are arranged on the upper surface of the conveying frame (901), two conveying chain wheels (903) are symmetrically and rotatably arranged on the upper surfaces of the two conveying bearing plates (902), a conveying driving shaft (906) is connected between the two conveying chain wheels (903) which are vertically distributed, a conveying motor (905) is arranged on the upper surface of the upper layer of the conveying bearing plate (902), and the output end of the conveying motor (905) is connected with any one conveying driving shaft (906); a conveying chain (904) is connected between the two horizontally distributed conveying chain wheels (903) in a transmission manner, conveying connecting plates (907) are uniformly connected to the surfaces of the conveying chains (904) and used for mounting the lifting mechanism (10), and supporting pulleys (908) are uniformly mounted on the bottom surfaces of the conveying chains (904);

elevating system (10) are including lift loading board (1003), lift loading board (1003) back with carry connecting plate (907) to be connected, lift loading board (1003) surface mounting has lift mount (1002), surface mounting has elevator motor (1001) on lift mount (1002), lift mount (1002) internally mounted has vertical lift lead screw (1006) and lift guide post (1004), lift lead screw (1006) with the output of elevator motor (1001) is connected, lift connecting plate (1005) are installed through the screw in lift lead screw (1006) outside for the installation arc pressing forming mechanism (11).

9. The leaf spring forming apparatus of claim 1, wherein: the arc pressing forming mechanism (11) comprises an arc pressing door-shaped frame (1102), the arc pressing door-shaped frame (1102) is connected with the lifting end of the lifting mechanism (10), an arc pressing bearing frame (1103) is connected to the bottom surface of the door-shaped frame, an arc pressing motor (1101) is installed on the upper surface of the door-shaped frame, an arc pressing lead screw (1107) is rotatably installed inside the door-shaped frame, the arc pressing lead screw (1107) is connected with the conveying end of the arc pressing motor (1101), an arc pressing lifting rod (1108) is installed on the outer side of the arc pressing lead screw (1107) through threads, an arc pressing guide column (1106) is connected to the bottom surface of the arc pressing lifting rod (1108), the bottom end of the arc pressing guide column (1106) stretches into the interior of the arc pressing bearing frame (1103) and is connected with an arc pressing lifting plate (1109), the bottom surface of the arc pressing lifting plate (1109) is uniformly connected with a lifting forked frame (1111), and all the surfaces of the lifting forked frame (1111) are provided with arc pressing rollers (, all the upper arc pressing rollers (1105) are distributed in an arc shape, the inner bottom surface of the arc pressing bearing frame (1103) is uniformly connected with a fixed forked frame (1110), the fixed forked frame (1110) and the lifting forked frame (1111) are distributed in a staggered manner, bottom arc pressing rollers (1104) are arranged on the surface of all the fixed forked frames (1110), and all the bottom arc pressing rollers (1104) are distributed in an arc shape and are used for being matched with the upper arc pressing rollers (1105) to perform integral arc pressing forming on the steel plate spring;

the upper portion is pressed the arc roller (1105) with bottom is pressed the arc roller (1104) the inner and all is connected with fixing bolt (1112), fixing bolt (1112) the inner is worn out lift forked frame (1111) or the intermediate tank of fixed forked frame (1110), and installs fixation nut (1113) through the screw thread, is used for the cooperation fixing bolt (1112) are realized upper portion is pressed the arc roller (1105) with the altitude mixture control and the locking of bottom pressure arc roller (1104) are fixed.

10. The use method of the leaf spring forming apparatus according to claim 1, wherein: the method comprises the following steps:

a. an annular oil cooling tank is arranged on the outer side of the annular conveying mechanism (9), the oil cooling tank is positioned right below the arc pressing forming mechanism (11), and cooling oil is added into the oil cooling tank;

b. placing the red steel plate on the surface of the placing table, enabling the steel plate to be in contact with the material pushing plate (13), pressing the positioning column (15) downwards by utilizing the gravity of the steel plate, overcoming the elasticity of the supporting spring (14), and enabling the positioning column (15) to completely enter the positioning hole (501);

c. the placing plate (5) is driven to slide on the surface of the guide rail (2) through the pushing driving assembly (3), the steel plate is fed into the blanking mechanism (6), two ends of the steel plate are cut off through the blanking mechanism (6), and a connecting through hole is punched in the center of the steel plate;

the connecting through hole is coaxial with the positioning hole (501), after blanking is completed, the positioning column (15) is upwards propped by utilizing the elasticity of the propping spring (14), so that the positioning column (15) is inserted into the connecting through hole and pushes out blanking waste, and the positioning column (15) is matched with the connecting through hole to position the steel plate, so that the stability of the steel plate is ensured;

d. the placing plate (5) is driven to slide on the surface of the guide rail (2) through the pushing driving assembly (3), the punched steel plate is sent into the pre-bending mechanism (7), and two ends of the punched steel plate are pre-bent through the pre-bending mechanism (7);

e. the placing plate (5) is driven to slide on the surface of the guide rail (2) through the pushing driving assembly (3), the pre-bent steel plate is fed into the lug rolling forming mechanism (8), and the two ends of the steel plate are synchronously subjected to lug rolling forming through the lug rolling forming mechanism (8);

f. the lifting mechanism (10) is driven to move through the annular conveying mechanism (9), the arc pressing forming mechanism (11) is driven to lift through the lifting mechanism (10), and the arc pressing forming mechanism (11) corresponds to the placing plate (5) on which the steel plate with the rolling ears is placed;

the pushing hydraulic cylinder (4) pushes a steel plate through the pushing plate (13), the positioning column (15) is of a conical structure, the steel plate applies downward component force to the positioning column (15) to overcome the elasticity of the supporting spring (14), so that the positioning column (15) completely enters the positioning hole (501), and the steel plate with the curled ears is pushed into the arc pressing forming mechanism (11) from the placing plate (5);

g. the pushing driving component (3) drives the placing plate (5) to reversely slide on the surface of the guide rail (2), so that the placing plate (5) is restored to the original position;

through press arc forming mechanism (11) to press the arc shaping to the steel sheet, press the arc shaping after accomplishing, through elevating system (10) drive press arc forming mechanism (11) descend, make inside leaf spring immerses the coolant oil in the oil-cooling box completely, carry out oil-cooling to leaf spring.

Technical Field

The invention relates to the technical field of steel plate spring production devices, in particular to steel plate spring forming equipment and a using method thereof.

Background

The steel plate spring is an elastic element which is most widely applied in the automobile suspension, and in the production process of the steel plate spring, punching of a connecting through hole and the length, pre-bending of a rolling lug, forming of the rolling lug and integral arc pressing forming are required. However, in the current production process of the steel plate spring, all the working procedures are independent working procedures which are not connected, burning red needs to be carried out for many times, energy waste is serious, and the production efficiency is low; the transfer needs to be carried out manually in the process, and potential safety hazards exist.

Disclosure of Invention

The invention aims to solve the problems, and provides steel plate spring forming equipment to solve the problems that in the prior art, all the working procedures are independent, the working procedures are not connected, burning is required to be carried out for many times, energy waste is serious, and the production efficiency is low in the current steel plate spring production process; the process room needs manual transportation, and the technical problems of potential safety hazards and the like exist. The preferable technical scheme of the technical schemes provided by the invention can sequentially realize the procedures of punching the connecting through hole and the length of the steel plate spring, pre-bending the rolling lug, forming the rolling lug and pressing the arc, is in production line type, does not need to burn for a plurality of times, saves energy, has high production efficiency, can realize automatic transfer among the procedures, has good safety and other technical effects, and is explained in detail below.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a steel plate spring forming device which comprises a rack and an annular conveying mechanism, wherein the rack and the annular conveying mechanism are linearly distributed, a plurality of lifting mechanisms are uniformly arranged at the conveying end of the annular conveying mechanism, and the lifting ends of the lifting mechanisms are connected with an arc pressing forming mechanism and used for performing an arc pressing forming process of a steel plate spring;

the upper surface of the frame is sequentially provided with a blanking mechanism, a pre-bending mechanism and a lug rolling forming mechanism along the length direction of the frame, and the blanking of the connecting through hole and the length of the steel plate spring, the pre-bending of the lug rolling and the lug rolling forming are respectively carried out;

the upper surface of the rack is symmetrically provided with two guide rails, the guide rails extend along the length direction of the rack, the surfaces of the guide rails are slidably provided with a placing plate, and the upper surface of the rack is provided with a pushing driving assembly for driving the placing plate to slide on the surfaces of the guide rails to sequentially perform a punching process for connecting a through hole and the length, a pre-bending process for a lug and a lug forming process; the arc pressing forming mechanism is characterized in that positioning holes are formed in the surface of the placing plate, conical positioning columns are installed inside the positioning holes through supporting springs, a bearing vertical plate is arranged on the upper surface of the placing plate, a pushing hydraulic cylinder is installed on the outer side of the bearing vertical plate, the working end of the pushing hydraulic cylinder penetrates through the bearing vertical plate along the length direction of the frame and is connected with a pushing plate, and the pushing hydraulic cylinder is used for pushing a steel plate spring into the arc pressing forming mechanism from the placing plate.

Preferably, the propelling movement drive assembly includes the mounting panel, the mounting panel is installed the frame outside, the propelling movement motor is installed in the mounting panel outside, the output of propelling movement motor runs through the mounting panel just is connected with the propelling movement lead screw, the propelling movement lead screw with the guide rail parallels and is located two between the guide rail, the propelling movement slider is installed through the screw thread in the propelling movement lead screw outside, the propelling movement slider with place the board and be connected.

Preferably, a blanking sliding groove, a pre-bending sliding groove and a forming sliding groove are sequentially arranged on the upper surface of the rack along the length direction of the upper surface of the rack, and the blanking sliding groove, the pre-bending sliding groove and the forming sliding groove extend along the width direction of the rack and respectively correspond to the blanking mechanism, the pre-bending mechanism and the lug forming mechanism;

the blanking mechanism comprises a blanking top plate and blanking bottom sliding blocks, the number of the blanking bottom sliding blocks is two, the two blanking bottom sliding blocks are symmetrically and slidably mounted in the blanking sliding grooves, the upper surfaces of the blanking bottom sliding blocks are flush with the surface of the rack and are connected with blanking bearing seats, the surfaces of the blanking bearing seats are flush with the surface of the placing plate, cutter grooves are formed in the upper surfaces of the blanking bearing seats, and the bottom surface of the rack is provided with a second blanking driving assembly for driving the two blanking bottom sliding blocks to slide in the blanking sliding grooves in an opposite direction or in a reverse direction;

the blanking top plate is installed on the surface of the rack through an upright post and is positioned above the blanking sliding groove, a blanking hydraulic cylinder is installed on the upper surface of the blanking top plate, the output end of the blanking hydraulic cylinder vertically penetrates through the blanking top plate downwards and is connected with a blanking lifting plate, a blanking column is arranged on the bottom surface of the blanking lifting plate and corresponds to the positioning hole and is used for blanking a steel plate spring connecting through hole, a blanking adjusting groove corresponding to the blanking sliding groove is formed in the surface of the blanking lifting plate in a penetrating mode, two blanking upper sliding blocks are symmetrically installed in the blanking adjusting groove in a sliding mode, and a first blanking driving assembly used for driving the two blanking upper sliding blocks to slide in the blanking adjusting groove in the opposite direction or in the opposite direction is arranged on the upper surface of the blanking lifting plate; the bottom surface of the upper blanking slide block penetrates through the blanking adjusting groove and is connected with a cutter, and the cutter corresponds to the cutter groove.

Preferably, the pre-bending mechanism comprises two bending bottom sliding blocks and a bending top plate, the two bending bottom sliding blocks are symmetrically and slidably mounted inside the pre-bending sliding groove, a second bending driving assembly used for driving the two bending bottom sliding blocks to slide in the pre-bending sliding groove in an opposite direction or in an opposite direction is arranged on the bottom surface of the rack, a bending supporting hydraulic cylinder is mounted on the upper surface of the bending bottom sliding block, the output end of the bending supporting hydraulic cylinder is vertically upward and is connected with a bending supporting roller, and the bending supporting roller extends along the length direction of the rack;

the bending device comprises a bending top plate, a bending lifting plate, a bending adjusting groove, a bending pressing roller, a bending supporting roller and a bending supporting roller, wherein the bending top plate is installed on the upper surface of a rack through a stand column and is located above the bending sliding groove, the upper surface of the bending top plate is provided with a bending hydraulic cylinder, the output end of the bending hydraulic cylinder vertically penetrates downwards the bending top plate and is connected with the bending lifting plate, the surface of the bending lifting plate is provided with a bending adjusting groove corresponding to the bending sliding groove in a penetrating mode, the two bending upper sliding blocks are symmetrically and slidably installed in the bending adjusting groove, the upper surface of the bending lifting plate is provided with a first bending driving assembly used for driving the two bending upper sliding blocks to slide in the bending adjusting groove in opposite directions or in a back-to-back sliding mode.

Preferably, the lug rolling forming mechanism comprises a lug rolling top plate and a lug rolling sliding block, the lug rolling top plate is mounted on the upper surface of the rack through an upright post and is positioned above the forming sliding groove, a lug rolling hydraulic cylinder is mounted on the upper surface of the lug rolling top plate, and the output end of the lug rolling hydraulic cylinder vertically penetrates through the lug rolling top plate downwards and is connected with a lug rolling pressing plate;

the two lug rolling sliding blocks are symmetrically and slidably mounted in the forming sliding groove, and the bottom surface of the rack is provided with a lug rolling driving assembly for driving the two lug rolling sliding blocks to slide in the forming sliding groove in an opposite direction or in a reverse direction; the upper surface of the lug rolling sliding block is flush with the upper surface of the rack and is connected with a lug rolling sliding table, forming dies and a fixing frame are mounted on the upper surface of the lug rolling sliding table, insertion cavities are formed in the opposite surfaces of the two forming dies, the bottom surfaces of the insertion cavities are flush with the upper surface of the placing plate, and the inner walls of the insertion cavities are communicated with semicircular forming cavities;

a lug through hole penetrates through the side face, close to the forming die, of the fixing frame, the lug through hole is coaxial with the forming cavity, a lug positioning hydraulic cylinder is installed on the outer side, far away from the forming die, of the fixing frame, the output end of the lug positioning hydraulic cylinder extends into the fixing frame and is connected with a lug positioning shaft, and the lug positioning shaft is coaxial with the lug through hole;

guide shafts are uniformly embedded in the inner wall of the forming cavity;

the side face, far away from the fixed frame, of the forming die is provided with a lug limiting plate, a lug limiting hole is formed in the lug limiting plate, and the lug limiting hole is coaxial with the lug positioning shaft and is in clearance fit with the lug positioning shaft.

Preferably, the first blanking driving assembly and the first bending driving assembly have the same structure, the first blanking driving assembly includes a protective box, the protective box is mounted on the upper surface of the blanking lifting plate and connected to the output end of the blanking hydraulic cylinder, a first double-shaft motor is mounted inside the protective box, two output ends of the first double-shaft motor are respectively connected to a first upper driving lead screw and a second upper driving lead screw, the first upper driving lead screw and the second upper driving lead screw have opposite screw directions, a first upper moving seat and a second upper moving seat are respectively mounted on the outer sides of the first upper driving lead screw and the second upper driving lead screw through threads, and the first upper moving seat and the second upper moving seat are respectively connected to the two blanking upper sliders;

surface mounting has the fixed plate on the blanking lifter plate, the fixed plate total two and respectively with first upper portion removes the seat and the second upper portion removes the seat and contacts, the fixed plate is close to the side-mounting of blanking adjustment tank has tight pneumatic cylinder of clamp, the output level that presss from both sides tight pneumatic cylinder extends and is connected with the driving plate, the vertical extension in driving plate bottom just is connected with locating plate, locating plate with the driving plate is "T" style of calligraphy structure down, is used for the cooperation the fixed plate is right first upper portion removes the seat and the second upper portion removes the seat and presss from both sides tight location.

Preferably, the second blanking driving assembly, the second bending driving assembly and the lug winding driving assembly have the same structure, the second blanking driving assembly includes a second double-shaft motor, the second double-shaft motor is mounted on the bottom surface of the frame, two output ends of the second double-shaft motor are respectively connected with a first bottom driving lead screw and a second bottom driving lead screw, the thread turning directions of the first bottom driving lead screw and the second bottom driving lead screw are opposite, a first bottom moving seat and a second bottom moving seat are respectively mounted on the outer sides of the first bottom driving lead screw and the second bottom driving lead screw through threads, and the first bottom moving seat and the second bottom moving seat are respectively connected with the two blanking bottom sliders.

Preferably, the annular conveying mechanism comprises a conveying frame, two layers of conveying bearing plates are arranged on the upper surface of the conveying frame, two conveying chain wheels are symmetrically and rotatably arranged on the upper surfaces of the two conveying bearing plates, a conveying driving shaft is connected between the two conveying chain wheels which are vertically distributed, a conveying motor is arranged on the upper surface of the upper layer of the conveying bearing plate, and the output end of the conveying motor is connected with any one conveying driving shaft; a conveying chain is connected between the two horizontally distributed conveying chain wheels in a transmission manner, and conveying connecting plates are uniformly connected to the surfaces of the conveying chains and used for mounting the lifting mechanisms;

supporting pulleys are uniformly arranged on the bottom surface of the conveying chain;

the lifting mechanism comprises a lifting bearing plate, the back of the lifting bearing plate is connected with the conveying connecting plate, a lifting fixing frame is mounted on the surface of the lifting bearing plate, a lifting motor is mounted on the upper surface of the lifting fixing frame, a vertical lifting screw and a lifting guide post are mounted inside the lifting fixing frame, the lifting screw is connected with the output end of the lifting motor, and a lifting connecting plate is mounted on the outer side of the lifting screw through threads and used for mounting the arc pressing forming mechanism.

Preferably, the arc pressing forming mechanism comprises an arc pressing door-shaped frame, the arc pressing door-shaped frame is connected with the lifting end of the lifting mechanism, the bottom surface of the door-shaped frame is connected with an arc pressing bearing frame, the upper surface of the door-shaped frame is provided with an arc pressing motor, an arc pressing lead screw is rotatably arranged in the door-shaped frame and connected with the conveying end of the arc pressing motor, an arc pressing lifting rod is arranged on the outer side of the arc pressing lead screw through threads, the bottom surface of the arc pressing lifting rod is connected with an arc pressing guide column, the bottom end of the arc pressing guide column extends into the arc pressing bearing frame and is connected with an arc pressing lifting plate, the bottom surface of the arc pressing lifting plate is uniformly connected with a lifting forked frame, upper arc pressing rollers are arranged on the surface of all the lifting forked frame, all the upper arc pressing rollers are distributed in an arc shape, and the bottom surface of the arc pressing bearing frame is uniformly connected with a fixed forked frame, the fixed forked frames and the lifting forked frame are distributed in a staggered mode, bottom arc pressing rollers are mounted on the surfaces of all the fixed forked frames, and all the bottom arc pressing rollers are distributed in an arc shape and used for being matched with the upper arc pressing rollers to perform integral arc pressing forming on the steel plate spring;

the upper portion pressure arc roller with bottom pressure arc roller the inner all is connected with fixing bolt, fixing bolt is the inner wearing out go up and down forked frame perhaps the middle groove of fixed forked frame, and install fixation nut through the screw thread, be used for the cooperation fixing bolt realizes the upper portion pressure arc roller with the altitude mixture control and the locking of bottom pressure arc roller are fixed.

The use method of the steel plate spring forming equipment comprises the following steps:

a. placing an annular oil cooling tank outside the annular conveying mechanism, enabling the oil cooling tank to be located right below the arc pressing forming mechanism, and adding cooling oil into the oil cooling tank;

b. placing a red steel plate on the surface of the placing table, enabling the steel plate to be in contact with the material pushing plate, pressing the positioning column downwards by utilizing the gravity of the steel plate, overcoming the elasticity of the supporting and ejecting spring, and enabling the positioning column to completely enter the positioning hole;

c. the pushing driving assembly drives the placing plate to slide on the surface of the guide rail, a steel plate is fed into the blanking mechanism, two ends of the steel plate are cut off through the blanking mechanism, and a connecting through hole is punched in the center of the steel plate;

the connecting through hole is coaxial with the positioning hole, after blanking is completed, the positioning column is upwards propped by utilizing the elasticity of the propping spring, so that the positioning column is inserted into the connecting through hole and pushes out blanking waste, and the positioning column is matched with the connecting through hole to position the steel plate, so that the stability of the steel plate is ensured;

d. the pushing driving assembly drives the placing plate to slide on the surface of the guide rail, the punched steel plate is fed into the pre-bending mechanism, and two ends of the punched steel plate are pre-bent through the pre-bending mechanism;

e. the pushing driving assembly drives the placing plate to slide on the surface of the guide rail, the pre-bent steel plate is fed into the lug rolling forming mechanism, and the two ends of the steel plate are synchronously subjected to lug rolling forming through the lug rolling forming mechanism;

f. the lifting mechanism is driven to move through the annular conveying mechanism, and the arc pressing forming mechanism is driven to lift through the lifting mechanism, so that the arc pressing forming mechanism corresponds to the placing plate on which the steel plate with the rolling lugs is placed;

the pushing hydraulic cylinder pushes the steel plate through the pushing plate, the positioning column is in a conical structure, the steel plate applies downward component force to the positioning column, the elasticity of the supporting spring is overcome, the positioning column completely enters the positioning hole, and therefore the steel plate with the lugs rolled up is pushed into the arc pressing forming mechanism from the placing plate;

g. the pushing driving assembly drives the placing plate to reversely slide on the surface of the guide rail, so that the placing plate is restored to the original position;

through press arc forming mechanism to press the arc shaping to the steel sheet, press the arc shaping after accomplishing, through elevating system drives press arc forming mechanism to descend, make leaf spring dip inside the coolant oil of oil-cooling incasement completely, carry out oil-cooling to leaf spring.

Has the advantages that: the punching of the connecting through hole and the length of the steel plate spring, the pre-bending of the rolling lug, the rolling lug forming and the arc pressing forming process can be sequentially realized, the production line type production is realized, the repeated burning is not needed, the energy is saved, the production efficiency is high, the automatic transfer among the processes can be realized, and the safety is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top cross-sectional view of the present invention;

FIG. 3 is a right side cross-sectional view of the housing of the present invention;

FIG. 4 is an enlarged partial schematic view of the right side cross-sectional view of the housing of the present invention;

FIG. 5 is a schematic view of the blanking mechanism of the present invention;

FIG. 6 is a right side cross-sectional enlarged schematic view of the blanking lifter plate of the present invention;

FIG. 7 is a schematic structural view of a pre-bending mechanism of the present invention;

FIG. 8 is a schematic structural view of a lug forming mechanism of the present invention;

FIG. 9 is an enlarged schematic view of portion A of FIG. 8;

FIG. 10 is a right side cut-away partially enlarged schematic view of the lug forming mechanism of the present invention;

FIG. 11 is a perspective view of the endless conveyor mechanism of the present invention;

FIG. 12 is an enlarged schematic view of portion B of FIG. 11;

FIG. 13 is a front view of the lift mechanism of the present invention;

FIG. 14 is a side cross-sectional view of the lift mechanism of the present invention;

FIG. 15 is a schematic perspective view of an arc pressing mechanism according to the present invention;

FIG. 16 is a front view of the arc pressing forming mechanism of the present invention;

FIG. 17 is an enlarged rear view of the arc pressing carriage of the present invention;

fig. 18 is a schematic view of the formation of the leaf spring of the present invention.

The reference numerals are explained below:

1. a frame; 101. blanking a sliding groove; 102. pre-folding the sliding groove; 103. forming a sliding groove; 2. a guide rail; 3. pushing the driving component; 301. mounting a plate; 302. a pushing motor; 303. pushing the sliding block; 304. pushing a lead screw; 4. a material pushing hydraulic cylinder; 5. placing the plate; 501. positioning holes; 6. a blanking mechanism; 601. blanking hydraulic cylinders; 602. blanking a top plate; 603. a first blanking drive assembly; 6031. a first upper moving base; 6032. a first upper drive lead screw; 6033. a protective box; 6034. a first dual-axis motor; 6035. a second upper drive lead screw; 6036. a second upper moving base; 6037. a fixing plate; 6038. clamping a hydraulic cylinder; 6039. a drive plate; 6040. positioning the clamping plate; 604. blanking a lifting plate; 6041. blanking an adjusting groove; 605. a second blanking drive assembly; 6051. a second dual-shaft motor; 6052. a first bottom drive lead screw; 6053. a first bottom moving base; 6054. a second bottom drive lead screw; 6055. a second bottom moving base; 606. blanking a bottom sliding block; 607. blanking the bearing seat; 6071. a cutter groove; 608. a cutter; 609. blanking an upper sliding block; 610. punching a hole column; 7. a pre-bending mechanism; 701. bending a hydraulic cylinder; 702. bending the top plate; 703. a first bending drive assembly; 704. bending the lifting plate; 7041. bending the adjusting groove; 705. a second bending drive assembly; 706. bending the bottom sliding block; 707. bending and jacking hydraulic cylinders; 708. bending the supporting roller; 709. bending the compression roller; 710. bending the upper sliding block; 8. a lug rolling forming mechanism; 801. a lug rolling hydraulic cylinder; 802. a lug rolling top plate; 803. a lug rolling compression plate; 804. forming a mould; 8041. an insertion cavity; 8042. a molding cavity; 8043. a guide shaft; 805. a lug drive assembly; 806. a fixing frame; 8061. a lug rolling through hole; 807. a lug rolling positioning hydraulic cylinder; 808. a lug rolling slide block; 809. a lug rolling sliding table; 810. a lug rolling positioning shaft; 811. a lug rolling limiting plate; 8111. a lug rolling limiting hole; 9. an annular conveying mechanism; 901. a carriage; 902. conveying a bearing plate; 903. a conveying sprocket; 904. a conveying chain; 905. a conveying motor; 906. a conveying drive shaft; 907. conveying the connecting plate; 908. a support pulley; 10. a lifting mechanism; 1001. a lifting motor; 1002. a lifting fixing frame; 1003. lifting the bearing plate; 1004. a lifting guide post; 1005. lifting the connecting plate; 1006. lifting a screw rod; 11. an arc pressing forming mechanism; 1101. an arc pressing motor; 1102. pressing an arc door type frame; 1103. pressing an arc bearing frame; 1104. a bottom arc pressing roller; 1105. an upper arc pressing roller; 1106. pressing an arc guide column; 1107. pressing an arc lead screw; 1108. pressing an arc lifting rod; 1109. pressing an arc lifting plate; 1110. fixing the fork-shaped frame; 1111. a lifting fork-shaped frame; 1112. fixing the bolt; 1113. fixing a nut; 12. a bearing vertical plate; 13. a material pushing plate; 14. a supporting spring; 15. and a positioning column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 17, the invention provides a steel plate spring forming device, which comprises a rack 1 and an annular conveying mechanism 9, wherein the rack 1 and the annular conveying mechanism 9 are linearly distributed, a plurality of lifting mechanisms 10 are uniformly arranged at a conveying end of the annular conveying mechanism 9, and a lifting end of each lifting mechanism 10 is connected with an arc pressing forming mechanism 11 for performing an arc pressing forming process of a steel plate spring;

the upper surface of the frame 1 is sequentially provided with a blanking mechanism 6, a pre-bending mechanism 7 and a lug forming mechanism 8 along the length direction, and the blanking of the connecting through hole and the length of the steel plate spring, the pre-bending of the lug and the lug forming are respectively carried out;

the upper surface of the rack 1 is symmetrically provided with two guide rails 2, the guide rails 2 extend along the length direction of the rack 1, the surface of each guide rail 2 is slidably provided with a placing plate 5, the upper surface of the rack 1 is provided with a pushing driving assembly 3 for driving the placing plate 5 to slide on the surface of each guide rail 2 to sequentially perform a punching process for connecting a through hole and the length, a pre-bending process for a rolling lug and a rolling lug forming process; the surface of the placing plate 5 is provided with a positioning hole 501, a conical positioning column 15 is installed inside the positioning hole 501 through a supporting spring 14, a bearing vertical plate 12 is arranged on the upper surface of the placing plate 5, a pushing hydraulic cylinder 4 is installed on the outer side of the bearing vertical plate 12, the working end of the pushing hydraulic cylinder 4 penetrates through the bearing vertical plate 12 along the length direction of the rack 1 and is connected with a pushing plate 13, and the pushing hydraulic cylinder is used for pushing a steel plate spring into the arc pressing forming mechanism 11 from the placing plate 5.

As an optional implementation manner, the pushing driving assembly 3 includes a mounting plate 301, the mounting plate 301 is installed outside the rack 1, a pushing motor 302 is installed outside the mounting plate 301, an output end of the pushing motor 302 penetrates through the mounting plate 301 and is connected with a pushing lead screw 304, the pushing lead screw 304 is parallel to the guide rails 2 and is located between the two guide rails 2, a pushing slider 303 is installed outside the pushing lead screw 304 through a thread, the pushing slider 303 is connected with the placing plate 5, and the pushing lead screw 304 is driven to rotate by the pushing motor 302, and the pushing slider 303 is moved outside the pushing lead screw 304 by using thread transmission, so that the placing plate 5 is driven by the pushing slider 303 to slide on the surface of the guide rails 2.

The upper surface of the frame 1 is sequentially provided with a blanking sliding groove 101, a pre-folding sliding groove 102 and a forming sliding groove 103 along the length direction, and the blanking sliding groove 101, the pre-folding sliding groove 102 and the forming sliding groove 103 extend along the width direction of the frame 1 and respectively correspond to the blanking mechanism 6, the pre-folding mechanism 7 and the lug rolling forming mechanism 8;

the blanking mechanism 6 comprises a blanking top plate 602 and blanking bottom sliding blocks 606, the two blanking bottom sliding blocks 606 are symmetrically and slidably mounted inside the blanking sliding groove 101, the upper surface of the blanking bottom sliding block 606 is flush with the surface of the machine frame 1 and is connected with a blanking bearing seat 607, the surface of the blanking bearing seat 607 is flush with the surface of the placing plate 5, the upper surface of the blanking bearing seat 607 is provided with a knife groove 6071, and the bottom surface of the machine frame 1 is provided with a second blanking driving assembly 605 for driving the two blanking bottom sliding blocks 606 to slide in the blanking sliding groove 101 in an opposite direction or in a reverse direction;

a blanking top plate 602 is mounted on the surface of the frame 1 through an upright column and located above the blanking sliding groove 101, a blanking hydraulic cylinder 601 is mounted on the upper surface of the blanking top plate 602, the output end of the blanking hydraulic cylinder 601 vertically and downwardly penetrates through the blanking top plate 602 and is connected with a blanking lifting plate 604, a blanking column 610 is arranged on the bottom surface of the blanking lifting plate 604 and corresponds to the positioning hole 501 for blanking the steel plate spring connecting through hole, a blanking adjusting groove 6041 corresponding to the blanking sliding groove 101 is formed in the surface of the blanking lifting plate 604 in a penetrating manner, two blanking upper sliders 609 are symmetrically and slidably mounted in the blanking adjusting groove 6041, and a first blanking driving assembly 603 for driving the two blanking upper sliders 609 to slide in the blanking adjusting groove 6041 in an opposite or opposite direction is arranged on the upper surface of the blanking; the bottom surface of the blanking upper slide block 609 penetrates through a blanking adjusting groove 6041 and is connected with a cutter 608, and the cutter 608 corresponds to the cutter groove 6071;

the arrangement is that the first blanking driving component 603 drives the two blanking upper sliders 609 to slide in the blanking adjusting groove 6041 in an opposite direction or in an opposite direction, so that the distance between the two cutters 608 is adjusted, and the second blanking driving component 605 drives the two blanking bottom sliders 606 to slide in the blanking sliding groove 101 in an opposite direction or in an opposite direction, so that the distance between the two blanking bearing seats 607 is adjusted, thereby meeting the production requirements of steel plate springs with different lengths and sizes, and having wide application range; when the placing plate 5 drives the steel plate to move below the blanking top plate 602, two ends of the steel plate are located on the surface of the blanking bearing seat 607, the blanking hydraulic cylinder 601 drives the blanking lifting plate 604 to descend, the cutter 608 and the cutter groove 6071 are matched to cut off two ends of the steel plate, and the through hole column 610 punches a connecting through hole of a steel plate spring in the center of the steel plate.

The pre-bending mechanism 7 comprises two bending bottom sliding blocks 706 and a bending top plate 702, the two bending bottom sliding blocks 706 are symmetrically and slidably mounted inside the pre-bending sliding groove 102, a second bending driving assembly 705 for driving the two bending bottom sliding blocks 706 to slide in the pre-bending sliding groove 102 in an opposite direction or in a back-to-back direction is arranged on the bottom surface of the rack 1, a bending top supporting hydraulic cylinder 707 is mounted on the upper surface of the bending bottom sliding block 706, the output end of the bending top supporting hydraulic cylinder 707 is vertically upward and is connected with a bending top supporting roller 708, and the bending top supporting roller 708 extends along the length direction of the rack 1;

the bending top plate 702 is installed on the upper surface of the rack 1 through an upright column and located above the bending sliding groove, a bending hydraulic cylinder 701 is installed on the upper surface of the bending top plate 702, the output end of the bending hydraulic cylinder 701 vertically penetrates through the bending top plate 702 downwards and is connected with a bending lifting plate 704, a bending adjusting groove 7041 corresponding to the bending sliding groove is arranged on the surface of the bending lifting plate 704 in a penetrating mode, two bending upper sliding blocks 710 are symmetrically installed in the bending adjusting groove 7041 in a sliding mode, a first bending driving assembly 703 used for driving the two bending upper sliding blocks 710 to slide in the bending adjusting groove 7041 in a facing or opposite mode is arranged on the upper surface of the bending lifting plate 704, a bending compression roller 709 is connected to the bottom end of the bending upper sliding block 710, and the bending compression roller 709 is parallel to the bending;

according to the arrangement, the first bending driving assembly 703 drives the two bending upper sliding blocks 710 to slide in the bending adjusting groove 7041 in the opposite direction or in the opposite direction, so that the distance between the two bending upper sliding blocks 710 is adjusted, and meanwhile, the second bending driving assembly 705 drives the two bending bottom sliding blocks 706 to slide in the pre-bending sliding groove 102 in the opposite direction or in the opposite direction, so that the distance between the two bending bottom sliding blocks 706 is adjusted, the production requirements of steel plate springs with different lengths can be met, and the application range is wide; when the placing plate 5 drives the steel plate to move below the bending top plate 702, the bending supporting rollers 708 are located below the steel plate, the bending pressing rollers 709 are located above the steel plate, the bending lifting plate 704 is driven to descend through the bending hydraulic cylinder 701, the steel plate is pressed through the bending pressing rollers 709, the bending supporting rollers 708 are driven to ascend through the bending supporting hydraulic cylinder 707, and the two ends of the steel plate are pre-bent through the bending pressing rollers 709 in a matched mode.

The lug rolling forming mechanism 8 comprises a lug rolling top plate 802 and a lug rolling sliding block 808, the lug rolling top plate 802 is installed on the upper surface of the rack 1 through an upright column and is positioned above the forming sliding groove 103, a lug rolling hydraulic cylinder 801 is installed on the upper surface of the lug rolling top plate 802, and the output end of the lug rolling hydraulic cylinder 801 vertically penetrates through the lug rolling top plate 802 downwards and is connected with a lug rolling pressing plate 803;

the two lug rolling sliding blocks 808 are symmetrically and slidably mounted in the forming sliding groove 103, and the bottom surface of the rack 1 is provided with a lug rolling driving assembly 805 for driving the two lug rolling sliding blocks 808 to slide in the forming sliding groove 103 in an opposite direction or in an opposite direction; the upper surface of the lug rolling sliding block 808 is level with the upper surface of the rack 1 and is connected with a lug rolling sliding table 809, the upper surface of the lug rolling sliding table 809 is provided with forming dies 804 and a fixing frame 806, the opposite surfaces of the two forming dies 804 are provided with insertion cavities 8041, the inner bottom surfaces of the insertion cavities 8041 are level with the upper surface of the placing plate 5, and the inner walls of the insertion cavities 8041 are communicated with semicircular forming cavities 8042;

a lug rolling through hole 8061 is arranged on the side face, close to the forming die 804, of the fixing frame 806 in a penetrating mode, the lug rolling through hole 8061 is coaxial with the forming cavity 8042, a lug rolling positioning hydraulic cylinder 807 is installed on the outer side, far away from the forming die 804, of the fixing frame 806, the output end of the lug rolling positioning hydraulic cylinder 807 extends into the fixing frame 806 and is connected with a lug rolling positioning shaft 810, and the lug rolling positioning shaft 810 is coaxial with the lug rolling through hole 8061;

the arrangement is that when the placing plate 5 drives the steel plate to move to the lower part of the eye rolling top plate 802, the steel plate is positioned between the two forming dies 804, the eye rolling hydraulic cylinder 801 drives the eye rolling pressing plate 803 to descend, the steel plate is pressed and fixed on the surface of the placing plate 5 through the eye rolling pressing plate 803, the two eye rolling sliding blocks 808 are driven to slide oppositely in the forming sliding groove 103 through the eye rolling driving assembly 805 until the pre-bending parts at the two ends of the steel plate completely enter the forming cavity 8042 through the inserting cavity 8041, the eye rolling driving assembly 805 stops working, the eye rolling positioning shaft 810 is driven to move through the eye rolling positioning hydraulic cylinder 807, the eye rolling positioning shaft 810 is inserted into the forming cavity 8042, a guide cavity for guiding the two ends of the steel plate is formed between the eye rolling positioning shaft 810 and the forming cavity 8042, the eye rolling driving assembly 805 continues to drive the two eye rolling sliding blocks 808 to slide oppositely, and the two ends of the steel, the forming cavity 8042 and the lug positioning shaft 810 are matched for guiding, so that the synchronous forming of the lugs at two ends of the steel plate is realized.

The guide shaft 8043 is evenly embedded in the inner wall of the forming cavity 8042, so that sliding friction between the steel plate and the forming cavity 8042 is changed into rolling friction through the guide shaft 8043, the steel plate can conveniently move in the forming cavity 8042, and the forming of a rolling lug is conveniently realized.

The side that fixed frame 806 was kept away from to moulded die 804 is provided with the book ear limiting plate 811, and the inside spacing hole 8111 of book ear that is provided with of book ear limiting plate 811, the spacing hole 8111 of book ear and the coaxial and clearance fit of book ear location axle 810 set up like this and support book ear location axle 810 through book ear limiting plate 811, guarantee the steadiness of book ear location axle 810, guarantee book ear shaping quality.

The first blanking driving assembly 603 and the first bending driving assembly 703 have the same structure, the first blanking driving assembly 603 includes a guard box 6033, the guard box 6033 is mounted on the upper surface of the blanking lifting plate 604 and connected to the output end of the blanking hydraulic cylinder 601, a first dual-shaft motor 6034 is mounted inside the guard box 6033, two output ends of the first dual-shaft motor 6034 are respectively connected to a first upper driving lead screw 6032 and a second upper driving lead screw 6035, the screw directions of the first upper driving lead screw 6032 and the second upper driving lead screw 6035 are opposite, the outer sides of the first upper driving lead screw 6032 and the second upper driving lead screw 6035 are respectively provided with a first upper moving seat 6031 and a second upper moving seat 6036 through screw threads, and the first upper moving seat 6031 and the second upper moving seat 6036 are respectively connected to two blanking upper sliders 609;

with such an arrangement, the first dual-axis motor 6034 drives the first upper driving screw 6032 and the second upper driving screw 6035 to rotate, and since the screw threads of the first upper driving screw 6032 and the second upper driving screw 6035 are opposite in rotation direction, the first upper moving seat 6031 and the second upper moving seat 6036 can be driven to move in opposite directions or in opposite directions by using thread transmission, so that the two blanking upper sliders 609 are driven to slide in the blanking adjusting groove 6041 in opposite directions or back to back.

The upper surface of the blanking lifting plate 604 is provided with two fixing plates 6037, the two fixing plates 6037 are respectively in contact with the first upper moving seat 6031 and the second upper moving seat 6036, the side surface of the fixing plate 6037 close to the blanking adjusting groove 6041 is provided with a clamping hydraulic cylinder 6038, the output end of the clamping hydraulic cylinder 6038 horizontally extends and is connected with a transmission plate 6039, the bottom end of the transmission plate 6039 vertically extends and is connected with a positioning clamp plate 6040, and the positioning clamp plate 6040 and the transmission plate 6039 are in an inverted T-shaped structure and are used for being matched with the fixing plate 6037 to clamp and position the first upper moving seat 6031 and the second upper moving seat 6036;

so set up, when the position adjustment of first upper portion moving seat 6031 and second upper portion moving seat 6036 is completed, clamping hydraulic cylinder 6038 contracts, driving positioning clamp 6040 to move to fixing plate 6037 through driving plate 6039, clamping and fixing first upper portion moving seat 6031 and second upper portion moving seat 6036 through positioning clamp 6040 and fixing plate 6037, thereby guaranteeing the stability of first upper portion moving seat 6031 and second upper portion moving seat 6036, helping to guarantee the blanking effect.

The second blanking driving assembly 605, the second bending driving assembly 705 and the ear-rolling driving assembly 805 have the same structure, the second blanking driving assembly 605 includes a second dual-shaft motor 6051, the second dual-shaft motor 6051 is installed on the bottom surface of the frame 1, two output ends of the second dual-shaft motor 6051 are respectively connected with a first bottom driving lead screw 6052 and a second bottom driving lead screw 6054, the screw directions of the first bottom driving lead screw 6052 and the second bottom driving lead screw 6054 are opposite, the outer sides of the first bottom driving lead screw 6052 and the second bottom driving lead screw 6054 are respectively provided with a first bottom moving seat 6053 and a second bottom moving seat 6055 through screw threads, and the first bottom moving seat 6053 and the second bottom moving seat 6055 are respectively connected with two blanking bottom sliders 606;

set up like this, drive first bottom drive lead screw 6052 and second bottom drive lead screw 6054 synchronous revolution through second biax motor 6051, because the screw thread of first bottom drive lead screw 6052 and second bottom drive lead screw 6054 is turned round to the contrary, make first bottom remove seat 6053 and second bottom remove seat 6055 and move mutually or carry on the back mutually to two blanking bottom sliders 606 of drive are inside in blanking sliding tray 101 and are slided mutually or carry on the back mutually.

The annular conveying mechanism 9 comprises a conveying frame 901, two layers of conveying bearing plates 902 are arranged on the upper surface of the conveying frame 901, two conveying chain wheels 903 are symmetrically and rotatably arranged on the upper surfaces of the two conveying bearing plates 902, a conveying driving shaft 906 is connected between the two conveying chain wheels 903 which are distributed up and down, a conveying motor 905 is arranged on the upper surface of the upper layer of conveying bearing plate 902, and the output end of the conveying motor 905 is connected with any one conveying driving shaft 906; the conveying chain 904 is connected between the two horizontally distributed conveying chain wheels 903 in a transmission manner, and the surface of the conveying chain 904 is uniformly connected with a conveying connecting plate 907 for mounting the lifting mechanism 10, so that when the device works, a conveying motor 905 drives the conveying chain wheels 903 to rotate through a conveying driving shaft 906, so that the conveying chain 904 drives the conveying connecting plate 907 to move, and the annular movement of the lifting mechanism 10 is realized;

supporting pulleys 908 are uniformly arranged on the bottom surface of the conveying chain 904, so that the conveying chain 904 is supported by the supporting pulleys 908, and the conveying chain 904 is ensured to move stably;

the lifting mechanism 10 comprises a lifting bearing plate 1003, the back of the lifting bearing plate 1003 is connected with a conveying connecting plate 907, a lifting fixing frame 1002 is mounted on the surface of the lifting bearing plate 1003, a lifting motor 1001 is mounted on the upper surface of the lifting fixing frame 1002, a vertical lifting lead screw 1006 and a lifting guide column 1004 are mounted inside the lifting fixing frame 1002, the lifting lead screw 1006 is connected with the output end of the lifting motor 1001, a lifting connecting plate 1005 is mounted on the outer side of the lifting lead screw 1006 through threads and used for mounting the arc pressing forming mechanism 11, the lifting connecting plate is arranged in such a way that the lifting lead screw 1006 is driven by the lifting motor 1001 to rotate, the lifting connecting plate 1005 is limited and guided by the lifting guide column 1004, and the lifting connecting plate.

The arcing molding mechanism 11 comprises an arcing door-shaped frame 1102, the arcing door-shaped frame 1102 is connected with the lifting end of a lifting mechanism 10, the bottom surface of the door-shaped frame is connected with an arcing bearing frame 1103, the upper surface of the door-shaped frame is provided with an arcing motor 1101, an arcing lead screw 1107 is rotatably arranged in the door-shaped frame and is connected with the conveying end of the arcing motor 1101, an arcing lead screw 1108 is arranged outside the arcing lead screw 1107 through a thread, the bottom surface of the arcing lead screw 1108 is connected with an arcing guide post 1106, the bottom end of the arcing guide post 1106 extends into the arcing bearing frame 1103 and is connected with an arcing lifting plate 1109, the bottom surface of the arcing lifting plate 1109 is uniformly connected with an arcing fork-shaped frame 1111, the surfaces of all the lifting fork-shaped frames 1111 are provided with upper arcing rollers 1105, all the upper arcing rollers 1105 are distributed in an arc shape, the inner bottom surface of the arcing bearing frame 1103 is uniformly connected with a fixed fork-shaped frame 1110, the fixed fork-shaped frames 1111 and the lifting fork frames 1111 are, the bottom arc pressing rollers 1104 are arranged on the surfaces of all the fixed forked frames 1110, and all the bottom arc pressing rollers 1104 are distributed in an arc shape and are used for being matched with the upper arc pressing rollers 1105 to perform integral arc pressing forming on the steel plate spring;

when the pusher plate 13 pushes the steel plate subjected to the lug rolling forming to the surface of the bottom arc pressing roller 1104, the arc pressing motor 1101 drives the arc pressing screw 1107 to rotate, so that the arc pressing lifting rod 1108 drives the arc pressing lifting plate 1109 to lift in the arc pressing bearing frame 1103 through the arc pressing guide column 1106, the upper arc pressing roller 1105 descends along with the arc pressing lifting plate 1109, and the upper arc pressing roller 1105 is matched with the bottom arc pressing roller 1104 to press and form the red steel plate;

arc roller 1105 and bottom are pressed to upper portion all are connected with fixing bolt 1112 in the inner, fixing bolt 1112 wears out the middle groove of lift forked frame 1111 or fixed forked frame 1110 in the inner, and install fixation nut 1113 through the screw thread, a high degree of adjustment and the locking that is used for cooperation fixing bolt 1112 to realize that arc roller 1105 and bottom are pressed to upper portion are fixed, set up like this and can realize that arc roller 1105 and bottom are pressed the high degree of adjustment and fixed of arc roller 1104, can satisfy the user demand of the leaf spring of different radians, application scope is wide.

The use method of the steel plate spring forming equipment comprises the following steps:

a. an annular oil cooling box is arranged on the outer side of the annular conveying mechanism 9, the oil cooling box is positioned right below the arc pressing forming mechanism 11, and cooling oil is added into the oil cooling box;

b. placing the red steel plate on the surface of the placing table, enabling the steel plate to be in contact with the material pushing plate 13, pressing the positioning column 15 downwards by utilizing the gravity of the steel plate, overcoming the elasticity of the supporting and ejecting spring 14, and enabling the positioning column 15 to completely enter the positioning hole 501;

c. the pushing driving assembly 3 drives the placing plate 5 to slide on the surface of the guide rail 2, the steel plate is fed into the blanking mechanism 6, two ends of the steel plate are cut off through the blanking mechanism 6, and a connecting through hole is punched in the center of the steel plate;

the connecting through hole is coaxial with the positioning hole 501, after blanking is completed, the positioning column 15 is upwards propped up by utilizing the elasticity of the propping spring 14, so that the positioning column 15 is inserted into the connecting through hole and pushes out blanking waste, and the positioning column 15 is matched with the connecting through hole to position a steel plate, so that the stability of the steel plate is ensured;

d. the pushing driving assembly 3 drives the placing plate 5 to slide on the surface of the guide rail 2, the punched steel plate is fed into the pre-bending mechanism 7, and the two ends of the punched steel plate are pre-bent through the pre-bending mechanism 7;

e. the pushing driving assembly 3 drives the placing plate 5 to slide on the surface of the guide rail 2, the pre-bent steel plate is fed into the lug forming mechanism 8, and the two ends of the steel plate are synchronously subjected to lug forming through the lug forming mechanism 8;

f. the lifting mechanism 10 is driven to move by the annular conveying mechanism 9, and the arc pressing forming mechanism 11 is driven to lift by the lifting mechanism 10, so that the arc pressing forming mechanism 11 corresponds to the placing plate 5 on which the steel plate with the rolling lugs is placed;

the pushing hydraulic cylinder 4 pushes the steel plate through the pushing plate 13, the positioning column 15 is in a conical structure, the steel plate applies downward component force to the positioning column 15, the elastic force of the supporting spring 14 is overcome, the positioning column 15 completely enters the positioning hole 501, and therefore the steel plate with the curled lugs is pushed into the arc pressing forming mechanism 11 from the placing plate 5;

g. the pushing driving component 3 drives the placing plate 5 to reversely slide on the surface of the guide rail 2, so that the placing plate 5 is restored to the original position;

the steel plate is subjected to arc pressing forming through the arc pressing forming mechanism 11, and after the arc pressing forming is completed, the arc pressing forming mechanism 11 is driven to descend through the lifting mechanism 10, so that the steel plate spring is completely immersed into cooling oil in an oil cooling box, and the steel plate spring is subjected to oil cooling.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.