阅读说明：本技术 一种具有智能刀库的卷簧机 (Spring coiling machine with intelligence tool magazine ) 是由 金达 吴良惠 高涛 张雄胜 叶景春 于 2019-11-04 设计创作，主要内容包括：本申请提供一种具有智能刀库的卷簧机,属于线材加工卷绕成特殊形状的基本无切削的金属机械加工技术领域。包括顺次设置的送线机构、节距调节机构、变径机构、切断机构和卷曲机构,待处理线材经送线机构送至节距调节机构处,所述节距调节机构包括移动电机、导轨、芯轴移动机构、芯轴和转芯机构,节距调节完毕的线材送至变径机构处完成变径,再送至卷曲机构、切断机构处,分别完成线材卷制和切断。将本申请应用于弹簧加工,打破了传统八爪机刀具有限、可加工钢丝范围窄的缺陷,完全颠覆了传统八爪机的节距调节方式和刀具供应方式,具有节距调整稳定、一机多刀、刀具切换快速平稳、对芯精准、智能化自动化程度高等优点。(The application provides a spring coiling machine with an intelligent tool magazine, and belongs to the technical field of metal machining of wire rods which are coiled into special shapes and basically have no cutting. Including sending line mechanism, pitch adjustment mechanism, reducing mechanism, shutdown mechanism and the mechanism of curling that sets up in order, the wire rod of awaiting processing sends pitch adjustment mechanism department to through sending line mechanism, pitch adjustment mechanism is including moving motor, guide rail, dabber moving mechanism, dabber and commentaries on classics core mechanism, and the wire rod that the pitch regulation was finished sends to reducing mechanism department and accomplishes the reducing, sends to crimping mechanism, shutdown mechanism department again, accomplishes the wire rod respectively and rolls up and cut off. The spring processing machine is applied to spring processing, the defects that a traditional eight-claw machine tool is limited and a range of processable steel wires is narrow are overcome, the pitch adjusting mode and the tool supplying mode of the traditional eight-claw machine are completely overturned, and the spring processing machine has the advantages of stable pitch adjustment, one machine with multiple tools, fast and stable tool switching, accurate core alignment, high intelligent automation degree and the like.)

1. The utility model provides a spring coiling machine with intelligence tool magazine which characterized in that: the wire cutting device comprises a wire feeding mechanism, a pitch adjusting mechanism, a diameter changing mechanism, a cutting mechanism and a curling mechanism which are sequentially arranged, wherein a wire to be processed is fed to the pitch adjusting mechanism through the wire feeding mechanism, the pitch adjusting mechanism comprises a moving motor, a guide rail, a mandrel moving mechanism, a mandrel and a mandrel rotating mechanism, one end of the mandrel is connected with the mandrel moving mechanism, and the other end of the mandrel penetrates through the mandrel rotating mechanism to be installed in a matched manner with the wire feeding mechanism; the guide rail is connected with the output end of the mobile motor, and the core rotating mechanism and the wire feeding mechanism are respectively connected with the guide rail to form a synchronous mobile system; the wire rod with the adjusted pitch is sent to a reducing mechanism to finish reducing, and then sent to a curling mechanism and a cutting mechanism to finish winding and cutting the wire rod respectively; the cutting mechanism comprises an upper cutter, a transverse cutter and a lower cutter, the curling mechanism is arranged at the upper cutter, the upper cutter is driven by a switching motor and a lifting motor to respectively complete rotation and lifting movement, and the transverse cutter is driven by a transverse motor and a sliding motor to respectively complete transverse and longitudinal movement; the lower cutter is driven by a lower motor to move up and down, and the upper cutter, the transverse cutter and the lower cutter are matched to realize the positioning and cutting-off of the coiled wire.

2. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the dabber is located the dabber axle bed, and the dabber axle bed is connected with rotating core mechanism to drive its rotation by rotating core mechanism, be located the dabber of dabber axle bed and set up the draw-in groove, draw-in groove and dabber seat cooperation, when the dabber axle bed removed along with the guide rail, the draw-in groove buckle was in the different positions of dabber axle bed, accomplished promptly to the spacing of the relative dabber seat displacement of dabber.

3. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the guide rail is installed on the lead screw, and a synchronous belt is sleeved between the lead screw and the output end of the mobile motor.

4. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the wire feeding mechanism is provided with a wire rotating mechanism and a guiding and straightening mechanism in a matching way, and the guiding and straightening mechanism and the wire rotating mechanism are both connected with the guide rail and form a synchronous moving system together with the guide rail.

5. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the upper cutter comprises a switching motor, a rotating shaft, a rotating disc, a connecting plate, a lifting motor, a first screw rod and a first cutter rest, the output end of the switching motor is connected to the rotating shaft, the rotating disc and the connecting plate are respectively sleeved on the rotating shaft, and the rotating disc, the curling mechanism and the first cutter rest for mounting a cutter form a synchronous motion system; the first screw rod is driven by a lifting motor and is fixedly connected with the connecting plate.

6. The spring coiling machine with intelligent tool magazine of claim 5, wherein: the connecting sleeve is sleeved at the connecting position of the rotating shaft and the output end of the switching motor, the connecting sleeve is internally composed of two hollow cavities which are mutually communicated, and the inner diameters of the two hollow cavities are different.

7. The spring coiling machine with intelligent tool magazine of claim 5, wherein: the curling mechanism and the knife rest are arranged in a staggered mode.

8. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the transverse knife comprises a transverse motor, a second guide rail, a transverse sliding plate, a sliding motor, a second screw rod and a lifting sliding plate, wherein the transverse sliding plate is connected to the output end of the transverse motor, the second guide rail is arranged on the transverse sliding plate, the lifting sliding plate is arranged on the second guide rail, and a second knife rest for mounting a knife is arranged on the lifting sliding plate; the sliding motor is arranged at the top of the transverse sliding plate, the output end of the sliding motor is connected to the second screw rod, and the lower end of the second screw rod is connected with the second guide rail and the lifting sliding plate.

9. The spring coiling machine with intelligent tool magazine of claim 1, wherein: the lower cutter is provided with a movable lower pushing block, and the upper cutter, the transverse cutter and the lower pushing block are matched to complete positioning and cutting of the rolled wire.

10. The spring coiling machine with intelligent tool magazine of claim 9, wherein: the lower push block is connected to the lower guide rail, and the lower guide rail is driven by the lower motor to move up and down so as to drive the lower push block to move up and down.

Technical Field

The application relates to a spring coiling machine with an intelligent tool magazine, and belongs to the technical field of metal machining of wires which are coiled into special shapes and are not cut basically.

Background

The spring coiling machine is mechanical equipment for producing springs, a steel wire is fed from a wire frame, firstly, the steel wire is straightened, then, the diameter of the steel wire is reduced, and finally, the steel wire is cut by a cutter to finish the manufacture of one spring.

The eight-claw machine is mainly divided into two types, namely a cam type machine and a cam-free machine, and is basically structured in a way that one disc is provided with eight cutters which can only move along a radial direction close to or far away from a circle center through a sliding block, so that the moving space is very limited; when the size of the steel wire is adjusted, the position is fixed by the aid of a cushion block below the cutter, and the satisfied specification range is small; in the cutter feeding procedure, the conventional eight-claw cutter only has eight cutters, has more parts (a large number of cams and heightening blocks are needed), is fixed and has small specification range which can be satisfied; meanwhile, each cutter in cutting needs to correspond to one shaft, only rough alignment can be achieved when cores are aligned, then manual fine alignment is conducted through tools such as a screwdriver, and the like, the installation space is large, and switching is difficult.

The present application was made based on this.

Disclosure of Invention

In view of the above, the present application provides a spring coiling machine with an intelligent tool magazine, which is stable in adjustment, multiple in tool, rich in tool types, and stable in movement, and which overcomes the defects of the conventional eight-claw machine that the tool is limited and the range of the machinable wire is narrow, and completely subverts the pitch adjustment mode and the tool supply mode of the conventional eight-claw machine.

Specifically, the method is realized through the following scheme:

a spring coiling machine with an intelligent tool magazine comprises a wire feeding mechanism, a pitch adjusting mechanism, a diameter changing mechanism, a cutting mechanism and a coiling mechanism which are sequentially arranged, wherein a wire to be processed is fed to the pitch adjusting mechanism through the wire feeding mechanism, the pitch adjusting mechanism comprises a moving motor, a guide rail, a mandrel moving mechanism, a mandrel and a core rotating mechanism, one end of the mandrel is connected with the mandrel moving mechanism, and the other end of the mandrel penetrates through the core rotating mechanism to be installed in a matched mode with the wire feeding mechanism; the guide rail is connected with the output end of the mobile motor, and the core rotating mechanism and the wire feeding mechanism are respectively connected with the guide rail to form a synchronous mobile system; the wire rod with the adjusted pitch is sent to a reducing mechanism to finish reducing, and then sent to a curling mechanism and a cutting mechanism to finish winding and cutting the wire rod respectively; the cutting mechanism comprises an upper cutter, a transverse cutter and a lower cutter, the upper cutter is driven by a switching motor and a lifting motor to respectively complete rotation and lifting movement, and the transverse cutter is driven by a transverse motor and a sliding motor to respectively complete transverse and longitudinal movement; the lower cutter is driven by a lower motor to move up and down, and the upper cutter, the transverse cutter and the lower cutter are matched to realize the positioning and cutting-off of the coiled wire.

In the process of processing the wire into the spring, the wire is sent to the pitch adjusting mechanism through the wire feeding mechanism, and the relative displacement of the mandrel and the wire feeding mechanism is realized by virtue of a synchronous motion system formed by the guide rail, the core rotating mechanism and the wire feeding mechanism, namely, the length of the passing wire is changed, the adjustment requirement of the pitch is met, and the relative displacement is expressed as the distance between two coils of the formed spring; in the pitch adjusting process, the core shaft is always in an absolute fixed and relative moving state, the core rotating mechanism and the wire feeding mechanism which are originally used as movable parts keep moving integrally in the horizontal direction, and all parts including the core shaft are guaranteed in the aspects of precision and stability; the wire is continuously conveyed to the reducing mechanism to complete reducing, when the whole length of the spring is coiled to a set length, the cutting mechanism is started, the upper cutter is driven by the lifting motor to move up and down to correspond to a cutting part, the switching motor is started, and the upper cutter rotates to a cutter with a proper specification to correspond to the cutting part; the transverse knife moves transversely under the drive of a transverse motor, and moves up and down under the drive of a sliding motor to move the transverse knife to a proper position; the lower cutter is driven by a lower motor to lift to a proper position, the three cutters work together to complete the positioning and cutting of the wire, and the subsequently entered wire enters the winding process of the next spring; if the distance between two coils on the spring needs to be adjusted, the guide rail is driven to move by the moving motor so as to change the relative displacement of the mandrel and the wire feeding mechanism, namely the adjustment of the pitch is completed, and the process is repeated in such a way that the process of the steel wire with the length of 0.2-2mm can be realized compared with the process of a conventional eight-claw machine, so that the process of the steel wire with the length of 0.2-20mm can be satisfied by the moving mode of the pitch process part in the application; the reducing mechanism is arranged, the upper cutter, the lower cutter and the transverse cutter form a cutter base, cutters contained in the cutter base can be expanded to 12-15, the number of parts is small, when the motor is driven, the cutters (the upper cutter, the lower cutter and the transverse cutter) of the cutter base can be directly rotated and displaced accurately according to set angles and set displacements, not only is intelligentized and automatically controlled, and online monitoring of product precision can be achieved, and compared with manual adjustment and eight-cutter-corresponding-eight-slider modes adopted by a conventional eight-claw machine, the automatic cutter base has the advantages of being large in adjustment range, high in precision, high in intelligent automation degree, and free of installing a pad-up block on a cutter frame, and by means of matching of each motor and each cutter, transverse and longitudinal accurate movement and accurate switching of the cutters can be achieved.

On the basis of the scheme, the mandrel is further researched, and the preferable mandrel structure is determined as follows: the dabber is located the dabber axle bed, and the dabber axle bed is connected with rotating core mechanism to drive its rotation by rotating core mechanism, be located the dabber of dabber axle bed and set up the draw-in groove, draw-in groove and dabber seat cooperation, when the dabber axle bed removed along with the guide rail, the draw-in groove buckle was in the different positions of dabber axle bed, accomplished promptly to the spacing of the relative dabber seat displacement of dabber. More preferably, set up in the dabber seat and hold the chamber, the draw-in groove realizes spacingly with the cooperation that holds the chamber. When the guide rail moves left and right, the core rotating mechanism is connected with the guide rail, the core rotating mechanism can also move left and right synchronously along with the guide rail, and the core shaft moves in the horizontal direction opposite to the moving direction of the guide rail relative to the wire feeding mechanism, so that the core shaft is in contact with the steel wire on the wire feeding mechanism to different degrees, and the pitch is adjusted; when the left and right movement is too large, the separation of the mandrel and the core rotating mechanism is easy to occur, when the guide rail runs to a set position to one side, the clamping groove is clamped on the wall of the mandrel seat, and the core rotating mechanism can not continue to move along with the guide rail.

On the basis of the above scheme, the applicant has made further studies on the guide rail and determined that a more preferable guide rail setting is as follows: the guide rail is installed on the lead screw, and a synchronous belt is sleeved between the lead screw and the output end of the mobile motor. More preferably, the screw rod is provided with synchronous belt wheels towards one end of the output end of the mobile motor and the output end of the mobile motor, and the synchronous belt is sleeved between the two synchronous belt wheels, so that power is output to the screw rod by the mobile motor. Adopt lead screw, hold-in range as power transmission unit, compare through its below high piece removal mode of pad with conventional cutter, not only effectively reduce the conveying space, and motor and lead screw, hold-in range cooperation realize the accurate control of displacement, have improved transmission efficiency and transportation precision, and workable steel diameter range is wideer, controls more accurately.

On the basis of the above scheme, the applicant has further studied the wire feeding mechanism and determined that the preferable setting is as follows: the wire feeding mechanism is provided with a wire rotating mechanism and a guiding and straightening mechanism in a matching way, and the guiding and straightening mechanism and the wire rotating mechanism are both connected with the guide rail and form a synchronous moving system together with the guide rail. After being straightened by the wire straightening mechanism, the wire to be processed is conveyed to the wire rotating mechanism to rotate and release torque, and then is conveyed to the wire feeding mechanism by the wire rotating mechanism to continue to finish wire feeding; when the pitch needs to be changed, the movable motor is started, and drives the guide rail to move, so that the guide straightening mechanism, the wire rotating mechanism, the wire feeding mechanism and the core rotating mechanism can be driven to move relative to the core shaft.

On the basis of the above scheme, the applicant has made further studies on the upper knife and determines the preferable upper knife setting as follows: the upper cutter comprises a switching motor, a rotating shaft, a rotating disc, a connecting plate, a lifting motor, a first screw rod and a first cutter rest, the output end of the switching motor is connected to the rotating shaft, the rotating disc and the connecting plate are respectively sleeved on the rotating shaft, and the rotating disc, the curling mechanism and the first cutter rest for mounting a cutter form a synchronous motion system; the first screw rod is driven by a lifting motor and is fixedly connected with the connecting plate.

On the basis of the above-mentioned solution, the applicant has made further studies on the transverse knife and has determined that a more preferred transverse knife arrangement is as follows: the transverse knife comprises a transverse motor, a second guide rail, a transverse sliding plate, a sliding motor, a second screw rod and a lifting sliding plate, wherein the transverse sliding plate is connected to the output end of the transverse motor, the second guide rail is arranged on the transverse sliding plate, the lifting sliding plate is arranged on the second guide rail, and a second knife rest for mounting a knife is arranged on the lifting sliding plate; the sliding motor is arranged at the top of the transverse sliding plate, the output end of the sliding motor is connected to the second screw rod, and the lower end of the second screw rod is connected with the second guide rail and the lifting sliding plate.

On the basis of the scheme, the applicant further studies the lower cutter and determines that the preferable lower cutter setting is as follows: the lower cutter is provided with a movable lower pushing block, and the upper cutter, the transverse cutter and the lower pushing block are matched to complete positioning and cutting of the rolled wire.

Drawings

FIG. 1 is a schematic structural view of a pitch adjustment mechanism of the present application;

FIG. 2 is a schematic view of a portion of a pitch adjustment mechanism according to the present application;

FIG. 3 is a partial schematic view of the pitch adjustment mechanism of the present application in another state;

FIG. 4 is a schematic structural view of a cutting mechanism of the present application;

FIG. 5 is a schematic structural view of the upper blade portion of the present application;

FIG. 6 is a side cross-sectional view of the upper blade portion of the present application;

FIG. 7 is a schematic view of the structure of the transverse blade portion of the present application;

FIG. 8 is a side cross-sectional view of a transverse blade portion of the present application;

fig. 9 is another side cross-sectional view of the transverse blade portion of the present application.

Reference numbers in the figures: 1. a chassis board; 11. a frame; 12. a console; 13. a work roll; 2. a pitch adjustment mechanism; 2a, an accommodating cavity; 21. a mandrel moving mechanism; 22. a mandrel; 221. a card slot; 222. a cutter end; 23. a mandrel seat; 231. a mandrel base wall; 24. a core rotating mechanism; 241. a core-rotating motor; 3. a moving motor; 31. a synchronous pulley; 32. a synchronous belt; 33. a first screw rod; 4. a wire feeding mechanism; 41. a wire feeding motor; 5. a wire turning mechanism; 51. a wire-turning motor; 6. a guiding and straightening mechanism; 7. a first guide rail; 71. a fastening block; 8. a cutting mechanism; 81. feeding a cutter; 811. a connecting plate; 812. a lifting motor; 8121. a first connecting sleeve; 8122. a motor base I; 813. a second screw rod; 814. switching the motors; 8141. a second connecting sleeve; 8142. a motor base II; 8143. a gap; 815. a rotating shaft; 8151. a nut; 816. rotating the disc; 817. a crimping mechanism; 818. an upper tool rest; 819. an upper cutter; 82. a transverse knife; 821. a lifting slide plate; 822. a second guide rail; 8221. a guide rail seat; 823. a transverse motor; 8231. a belt pulley; 8232. a nut seat; 824. a slide motor; 8241. connecting sleeves III; 825. a transverse slide plate; 8251. a bearing seat; 8252. a nut seat; 8253. a bolt; 826. a third screw rod; 827. a cross tool rest; 83. cutting; 831. a lower motor; 832. a lower guide rail; 833. a lower moving plate; 834. and pushing the block downwards.

Detailed Description

The spring coiling machine with the intelligent tool magazine comprises a wire feeding mechanism 4, a pitch adjusting mechanism 2, a diameter changing mechanism (not shown in the figure), a cutting mechanism 8 and a coiling mechanism 817 which are sequentially arranged, a wire to be processed is fed to the pitch adjusting mechanism 2 through the wire feeding mechanism 4, the wire with the adjusted pitch is fed to the diameter changing mechanism to complete diameter changing, the wire is fed to the coiling mechanism 817 to complete wire coiling, and then the wire is fed to the cutting mechanism 8, with reference to fig. 3, the cutting mechanism 8 comprises an upper knife 81, a transverse knife 82 and a lower knife 83, and the upper knife 81, the transverse knife 82 and the lower knife 83 are matched to achieve positioning and cutting of the coiled wire.

With reference to fig. 1, the pitch adjusting mechanism 2 includes a moving motor 3, a mandrel moving mechanism 21, a mandrel 22, a first guide rail 7, a core rotating mechanism 24 and a wire feeding mechanism 4, one end of the mandrel 22 is connected with the mandrel moving mechanism 21, the other end of the mandrel 22 passes through the core rotating mechanism 24 and is installed in cooperation with the wire feeding mechanism 4, the core rotating mechanism 24 is provided with a core rotating motor 241 in a matching manner, and the core rotating motor 241 drives the core rotating mechanism 24 to rotate, so that the rotation of the mandrel 22 is realized; the wire feeding mechanism 4 is provided with a wire feeding motor 41 in a matching way, and the wire feeding motor 41 is started to drive the wire feeding mechanism 4 to complete wire feeding; the first guide rail 7 is arranged on the chassis plate 1, preferably a linear guide rail is adopted, the first guide rail 7 is connected with the output end of the mobile motor 3, and the rotary core mechanism 24 and the wire feeding mechanism 4 are respectively connected with the first guide rail 7; when the moving motor 3 is started, the guide rail I7 moves left and right to drive the core rotating mechanism 24 and the wire feeding mechanism 4 to move synchronously therewith, the core shaft 22 moves relative to the wire feeding mechanism 4 to bring the cutter end 222 close to (shown in fig. 2) or away from (shown in fig. 3) the wire feeding mechanism 4, and then pitch adjustment is achieved.

The device changes the traditional mode of adjusting the pitch by moving the mandrel, and realizes the relative displacement of the mandrel 22 and the wire feeding mechanism 4 by means of a synchronous motion system formed by the guide rail I7, the core rotating mechanism 24 and the wire feeding mechanism 4, namely, the pitch adjusting requirement is met; in the pitch adjustment process, dabber 22 is absolute fixed and relative movement's state all the time, and originally just as the revolving core mechanism 24 of movable part, send line mechanism 4 then to keep the bulk motion in the horizontal direction, each part including dabber 22 obtains guaranteeing in the aspect of precision and stability, compares with the traditional mode of transmitting the displacement with the help of cam, member, and this scheme has effectively improved regulation and control accuracy and sensitivity.

The wire to be processed is subjected to four processes of wire feeding, pitch determination, radius determination, coil coiling and cutting by the mechanisms:

(1) a wire feeding procedure: the wire to be processed is conveyed by the wire feeding mechanism 4.

With reference to fig. 1, the wire feeding mechanism 4 is provided with a wire rotating mechanism 5 and a guiding straightening mechanism 6 in a matching manner, the wire rotating mechanism 5 is provided with a wire rotating motor 51 in a matching manner, and the wire rotating motor 51 is started and drives the wire rotating mechanism 5 to complete wire rotating; the guide straightening mechanism 6 and the wire rotating mechanism 5 are both connected with the first guide rail 7 and form a synchronous moving system together with the first guide rail 7 together with the wire feeding mechanism 4. After being straightened by the wire straightening mechanism 6, the wire to be processed is sent to the wire rotating mechanism 5 to rotate and release torque, and then is sent to the wire feeding mechanism 4 by the wire rotating mechanism 5 to continue to finish wire feeding; when the pitch needs to be changed, the moving motor 3 is started, the moving motor 3 drives the guide rail I7 to move, and then the guiding straightening mechanism 6, the wire rotating mechanism 5, the wire feeding mechanism 4 and the core rotating mechanism 24 can be driven to accurately move relative to the core shaft 22 according to the set requirement, so that the accurate wire feeding is achieved.

(2) Pitch determination/pitch adjustment process:

after the wire is conveyed in, the distance between two coils of the spring is determined, namely, the pitch is adjusted mainly at a pitch adjusting mechanism, a mandrel seat 23 is installed below a mandrel rotating mechanism 24 in combination with the graph in fig. 2 and 3, a mandrel 22 is sleeved on the mandrel seat 23 in a penetrating manner, a clamping groove 221 is formed in the mandrel seat 23, and the clamping groove 221 is matched with the mandrel seat 23 to realize positioning; when the first guide rail 7 moves, the mandrel base 23 moves accurately along with the mandrel rotating mechanism 24, and the displacement of the mandrel base 23 and the positioning of the clamping groove 221 realize accurate pitch control; when the engaging groove 221 is not engaged with the spindle seat 23 (as shown in fig. 3), the spindle 22 is in a relatively movable state, and when the first guide rail 7 moves to a certain position in the right direction, the engaging groove 221 is engaged with the spindle seat 23 (as shown in fig. 2), and at this time, the spindle 22 cannot move relatively.

Alternatively, the above scheme can be added as follows: the cavity 2a is arranged in the mandrel seat 23, and the clamping groove 22 is matched with the cavity 2a for realizing the limit. When the first guide rail 7 moves left and right, the core rotating mechanism 24 is connected with the first guide rail 7, the core rotating mechanism 24 also moves left and right synchronously along with the first guide rail 7, and the mandrel 22 moves in the horizontal direction opposite to the moving direction of the first guide rail 7 relative to the wire feeding mechanism 4, so that the contact of the cutter end 222 of the mandrel 22 and the steel wire on the wire feeding mechanism 4 in different degrees is realized, and the pitch adjustment is completed; however, when the left-right movement is too large, the core shaft 22 is easily separated from the core rotating mechanism 24, and when the first guide rail 7 moves to a set position to one side, the slot 221 is clamped on the core shaft seat wall 231 as shown in fig. 2, and the core rotating mechanism 24 does not continue to move along with the first guide rail 7.

Alternatively, the above scheme can be added as follows: the first guide rail 7 is arranged on the first screw rod 33, and a synchronous belt 32 is sleeved between the first screw rod 33 and the output end of the moving motor 3.

Alternatively, the above scheme can be added as follows: one end of the first screw rod 33 facing the output end of the moving motor and the output end of the moving motor are both provided with synchronous belt wheels 31, and a synchronous belt 32 is sleeved between the two synchronous belt wheels 31, namely, power is output to the first screw rod 33 from the moving motor 3. The first screw rod 33 and the synchronous belt 32 are used as power transmission units, so that the transmission space is effectively reduced, the transmission efficiency is improved, and the control is more accurate.

In the above case, the first guide rail 7 is a linear guide rail, and the first lead screw 33 is preferably a ball screw.

In the process of processing the wire into the spring, the wire is sent to the pitch adjusting mechanism 2 through the wire feeding mechanism 4, and by means of a synchronous motion system formed by the guide rail I7, the core rotating mechanism 24 and the wire feeding mechanism 4, the relative displacement of the core shaft 22 and the wire feeding mechanism 4 is realized, namely, the length of the passing wire is changed, the adjustment requirement of the pitch is met, and the distance between two coils of the formed spring is expressed; in the pitch adjustment process, dabber 22 is absolute fixed and relative movement's state all the time, and originally just as the revolving core mechanism 24 of movable part, send line mechanism 4 then to keep the bulk motion in the horizontal direction, each part including dabber 22 obtains guaranteeing in the aspect of precision and stability, compares with the traditional mode of transmitting the displacement with the help of cam, member, and this scheme has effectively improved regulation and control accuracy and sensitivity.

(3) Determination of the spring diameter: the wire rod is continuously conveyed to the reducing mechanism to complete reducing, and the reducing shaft of the reducing mechanism completes the control of the diameter of the spring.

(4) A cutting step:

referring to fig. 4, the winding mechanism 7 is disposed on the rotary disk 816, and winds the wire rod with the determined pitch and the reduced diameter to form a spring, and when the overall length of the spring is wound to a set length, the cutting mechanism is started: the upper knife 81 moves up and down to correspond to a cutting part according to a set displacement under the driving of a lifting motor, a switching motor is started, and the upper knife 81 rotates to a cutter with a proper specification according to a set angle and corresponds to the cutting part; the transverse knife 82 moves transversely according to the set displacement in the direction of the arrow shown in the position of the figure 4 under the drive of the transverse motor, and moves up and down according to the set displacement in the direction of the arrow shown in the position of the figure 4 under the drive of the sliding motor, so that the transverse knife 82 moves to a proper position according to the set displacement; the lower cutter 83 is driven by a lower motor to lift to a proper position according to set displacement, the three cutters work together to finish the accurate positioning and cutting of the core of the wire rod according to the set requirement, and the wire rod entering subsequently enters the winding process of the next spring; if the distance between the two coils on the spring needs to be adjusted, the guide rail is driven to move by the moving motor so as to change the relative displacement of the mandrel and the wire feeding mechanism, namely the adjustment of the pitch is completed, and the steps are repeated.

Alternatively, the above scheme can be added as follows: with reference to fig. 5, the upper knife 81 includes a switching motor 814, a rotating shaft 815, a rotating disc 816, a connecting plate 811, a lifting motor 812, a first lead screw 813 and a first knife rest 818, an output end of the switching motor 814 is connected to the rotating shaft 815, the rotating disc 816 and the connecting plate 811 are respectively sleeved on the rotating shaft 815, and the rotating disc 816 and the first knife rests 818 form a synchronous motion system; the first screw mandrel 813 is driven by a lifting motor 812 and is fixedly connected with the connecting plate 811. The present application provides rotation and lifting motion with the switching motor 814 and the lifting motor 812, respectively, and realizes the conversion of the two by means of the connection board 811. Before use, each first knife rest 818 is provided with an upper knife 819 with a specification, when switching is needed, the switching motor 814 is started, the rotating disc 816 is driven to rotate along the direction shown in fig. 4 through the rotating shaft 815, and the first knife rest 818 and the upper knife 819 on the first knife rest 818 which move synchronously with the rotating disc can be driven to switch in a rotating mode; the lifting motor 812 is started to drive the second screw mandrel 813 to rotate, and in the rotation of the second screw mandrel 813, the connecting plate 811 drives the rotating shaft 815, the rotating disc 816 on the rotating shaft 815 and the first knife rest 818 to lift along the arrow direction shown in fig. 4, that is, the longitudinal height is changed.

In the above case, the second screw 813 is preferably a ball screw; different types of cutters can be respectively arranged on the rotating disc 816, such as a cutter, an outer diameter forming cutter, an angle removing cutter, a twisting head, a hydraulic shear, a servo shear, a forming cutter, a curve roller, an auxiliary core cutter, a stamping forming cutter and the like, a cutter magazine is formed at the upper cutter 81, and in use, the switching motor 814 is started according to needs, and the cutters on the switching motor are rotated to proper positions according to set displacement and angles, so that the switching of the cutters in the cutter magazine can be met.

Alternatively, the above scheme can be added as follows: referring to fig. 5, first tool holders 818 are circumferentially and uniformly distributed on the rotating disk 816. More preferably, tool holder one 818 is provided in three. The first cutter frame 818 is arranged in a circumferential mode, so that the first cutter frame 818 and the upper cutter 819 on the corresponding first cutter frame 818 are conveniently switched in the rotating process of the rotating disc 816, and the use is more convenient; for conventional one cycle machining, three are sufficient to meet the requirements of the cutter during operation.

Alternatively, the above scheme can be added as follows: nut 8151 is disposed on top of rotating shaft 815, and nut 8151 is preferably a hex nut. The hex nut protrudes above the rotating disc 816, one end of the first tool holder 818 is disposed against the hex nut, and the other end is mounted with the upper cutter 819. The arrangement of the hexagon nut not only facilitates the fixation of the rotating disk 816, but also facilitates the positioning of the first knife rest 818, and avoids the first knife rest 818 from shifting caused by centrifugal force in the rotating process.

Alternatively, the above scheme can be added as follows: referring to fig. 6, the lifting motor 812 is fixed on the first motor base 8122, one end of the second screw 813 is fixed to the connecting plate 811, and the other end of the second screw passes through the first motor base 8122 and is connected to the output end of the lifting motor 812, and more preferably, a connecting sleeve 8121 is sleeved at the connection between the output end of the lifting motor 812 and the second screw 813. In use, the lifting motor 812 realizes power output by means of rotation of the second screw mandrel 813, so that the rotating disc 816 is lifted, and in the movement process, in order to prevent displacement caused by operation of the lifting motor 812, the lifting motor 812 is fixed on the first motor base 8122, so that the stability of the lifting motor 812 can be ensured; and the arrangement of the first connecting sleeve 8121 further strengthens the installation stability of the second screw rod 813.

Alternatively, the above scheme can be added as follows: referring to fig. 6, the switching motor 814 is fixed to the second motor base 8142, and the second motor base 8142 is fixed to the connecting plate 811, that is, the switching motor 814 is fixed. The connecting plate 811 and the second screw 813 move synchronously, and the second motor base 8142 is fixedly connected with the connecting plate 811, so that the switching motor 814 and the rotating shaft 815 connected with the output end of the switching motor 814 can be synchronously lifted, and the control is more accurate. More preferably, a connection position of the rotating shaft 815 and the output end of the switching motor 814 is sleeved with a second connection sleeve 8141, and the arrangement of the second connection sleeve 8141 further enhances the installation stability of the rotating shaft. More preferably, the inside of the second connecting sleeve 8141 is composed of two hollow cavities which are communicated with each other, the inner diameters of the two hollow cavities are different, the rotating shaft and the output end of the switching motor form a synchronous motion system through the connecting sleeve, but the inner diameters of the hollow cavities at the two ends are different, the output end of the switching motor is not directly contacted with the rotating shaft, a gap 8143 is formed between the output end of the switching motor and the rotating shaft, a reserved space is formed when the structure of the second connecting sleeve 8141 is installed, and heat generation caused by friction due to overlarge kinetic energy in the high-speed rotation of.

Alternatively, the above scheme can be added as follows: referring to fig. 5 and 6, crimping mechanism 817 is interleaved with tool post 818. The coiling mechanism 817 is arranged on the rotating disc 816, and the coiling mechanism 817, the tool rest 818 and the rotating disc 816 form a synchronous motion system, so that the coiling and cutting are synchronous, and the stability and the synchronism of steel wire transmission are ensured; the staggered arrangement shortens the path between cutting and coiling to the shortest, reduces the generation of waste materials and meets the requirement of timely coiling.

Alternatively, the above scheme can be added as follows: referring to fig. 7-9, the cross knife 82 includes a cross motor 823, a second guide rail 822, a cross slide plate 825, a sliding motor 824, a third screw 826 and a lifting slide plate 827, the cross slide plate 825 is connected to the output end of the cross motor 823, the third guide rail 822 is installed on the cross slide plate 825, the lifting slide plate 827 is installed on the third guide rail 822, and a second knife rest 828 for installing a knife tool is located on the lifting slide plate 827; the sliding motor 824 is installed on the top of the transverse sliding plate 825, the output end of the sliding motor 824 is connected to the third screw 826, and the lower end of the third screw 826 is connected with the second guide rail 822 and the lifting sliding plate 827.

In this case, the transverse motor 823 and the sliding motor 824 are respectively provided with a transverse sliding plate 825 and a lifting sliding plate 827, and the transverse motor 823 outputs power and transmits the power to the transverse sliding plate 825 to drive the sliding motor 824 and the second guide rail 822 on the transverse sliding plate 825 and the lifting sliding plate 827 connected with the second guide rail 822 to move transversely, so that the second tool holder 828 on the lifting sliding plate 827 moves to a proper transverse position; the sliding motor 824 outputs power to the screw rod three 826, the screw rod three 826 works to drive the lifting sliding plate 827 to move up and down along the guide rail two 822, and the tool post two 828 on the lifting sliding plate 827 is moved to a proper longitudinal position. This application is removed by conventional unilateral with the removal of two 828 and the cutters of knife rest, converts into the removal of horizontal and vertical two directions and can change, and the activity space grow of cutter, and the adjustability is better, more can adapt to multiple operating environment's user demand.

In the above case, the third screw 826 is preferably a ball screw, and the second guide 822 is preferably a linear guide.

Alternatively, the above scheme can be added as follows: the transverse sliding plate 825 is provided with a nut seat 8252, the nut seat 8252 is provided with a bolt 8253, the bolt 8253 is connected with the output end of the transverse motor 823 through a belt pulley 8231, and power is transferred from the transverse motor 823 to the transverse sliding plate 825. The transverse motor 823 is connected with the transverse sliding plate 825 through a belt pulley 8231 to realize power transmission, so that the transmission is fast, the deviation is small, and the transmission is stable.

Alternatively, the above scheme can be added as follows: referring to fig. 8, the transverse motor 823 is installed on the chassis board 1, a slot is formed at a position corresponding to the chassis board 1, a guide rail seat 8221 is respectively disposed above and below the slot, and the transverse sliding plate 825 is fixed to the chassis board 1 through the guide rail seat 821. The setting of quick-witted boxboard 1 has made things convenient for the fixed of horizontal motor 823, and has kept apart it with horizontal slide 825 and settle, avoids horizontal motor 823 to start the noise interference that causes, and horizontal slide 825, two 822 of guide rails, lift slide 827 etc. all are the developments in the work, and horizontal motor 823 then can not take place the removal of position, realizes the sound separation of working device.

Alternatively, the above scheme can be added as follows: a connecting sleeve 8241 is arranged at the connecting position of the output end of the sliding motor 824 and the third screw 826, and the sliding motor 824 is connected with the transverse sliding plate 825 through the connecting sleeve 8241. More preferably, a bearing seat 8251 is sleeved on the third screw 826, and the bearing seat 8251 is positioned below the third connecting sleeve 8241. Since the slide motor 824 cooperates with the lead screw three 826 to realize the longitudinal movement of the tool post two 828, the arrangement of the connecting sleeve three 8241 ensures the smooth connection of the slide motor 824 with the transverse slide plate 825 in the dynamic process. And the bearing seat 8251 shares a part of downward pressure, so that the influence of excessive load on the smooth operation of the third screw 826 is avoided.

Alternatively, the above scheme can be added as follows: referring to fig. 7, the lower blade 83 further includes a lower motor 831, a lower guide rail 832, and a lower moving plate 833, the lower pushing block 83 is mounted on the lower moving plate 833, the lower moving plate 833 is mounted on the lower guide rail 832, the lower guide rail 832 is driven by the lower motor 831, the lower pushing block 834 is mounted on the lower moving plate 833, when the lower blade 83 needs to be matched, the lower motor 831 is activated, the lower motor 831 operates to push the lower guide rail 832 to move up and down as indicated by an arrow in fig. 4, and further drives the lower pushing block 834 on the lower moving plate 833 and the lower pushing block 834 on the lower moving plate 833 to move up and down.

When the whole length of the spring is coiled to a set length, the cutting mechanism 8 is started, the cutter on the first cutter frame 818 moves up and down under the driving of the lifting motor 812 to correspond to a cutting part, the switching motor 814 is started, and the cutter on the first cutter frame 818 rotates to a proper specification and corresponds to the cutting part; the cutter on the second cutter frame 827 moves transversely under the drive of a transverse motor 823, and moves up and down under the drive of a sliding motor 824, so that the cutter on the second cutter frame 827 moves to a proper position; the lower push block 834 is driven by a lower motor 831 to ascend and descend to a proper position, a cutter on the first cutter frame 818, a cutter on the second cutter frame 827 and a lower push block 834 work together to complete the positioning and cutting of the wire, and the subsequently entered wire enters the winding process of the next spring; if the distance between the two coils on the spring needs to be adjusted, the guide rail is driven to move by the moving motor so as to change the relative displacement of the mandrel and the wire feeding mechanism, namely the adjustment of the pitch is completed, and the steps are repeated.

The spring coiling machine provided by the embodiment has the advantages of being stable in adjustment, multiple in cutter, rich in cutter types, stable in movement, accurate in core alignment, capable of achieving automatic intelligent control of cutter displacement and the like, thoroughly overcomes the defects that a traditional eight-claw machine is limited in cutter and narrow in range of steel wires to be machined, and completely subverts a pitch adjusting mode and a cutter supply mode of the traditional eight-claw machine.