阅读说明：本技术 一种灭火器箱外壳翻边自动生产线 (Automatic production line for flanging of fire extinguisher case shell ) 是由 周成发 郭勇江 黄小坤 于 2021-06-22 设计创作，主要内容包括：本发明公开了一种灭火器箱外壳翻边自动生产线,包括主体机架,主体机架上安装有输送带,输送带用于对外壳进行自动输送,主体机架上端从左向右依次安装有第一校位组件、第一送料组件、第一折边组件、第二送料组件、第二折边组件、第三送料组件和折弯组件；第一校位组件用于对输送带上的外壳进行位置校准；第一送料组件将外壳推送到第一折边组件处进行加工；第一折边组件用于对外壳一端进行双重折边；第二折边组件用于对外壳另一端进行双重折边,第二折边组件结构与第一折边组件相同且安装方向相反；本发明可以实现对外壳进行全自动输送、折边和折弯加工,全程加工无需工作人员手动参与,在节约人工成本的同时有效提高折弯和折弯加工的效率。(The invention discloses an automatic flanging production line for a fire extinguisher cabinet shell, which comprises a main body frame, wherein a conveyer belt is arranged on the main body frame and used for automatically conveying the shell, and a first position correcting assembly, a first feeding assembly, a first flanging assembly, a second feeding assembly, a second flanging assembly, a third feeding assembly and a bending assembly are sequentially arranged at the upper end of the main body frame from left to right; the first position correcting assembly is used for carrying out position correction on the shell on the conveying belt; the first feeding assembly pushes the shell to the first folding assembly for processing; the first flanging component is used for performing double flanging on one end of the shell; the second flanging component is used for performing double flanging on the other end of the shell, and has the same structure as the first flanging component and the opposite installation direction; the full-automatic shell bending machine can realize full-automatic conveying, edge folding and bending of the shell, does not need manual participation of workers in the whole process, saves labor cost and effectively improves the efficiency of bending and bending processing.)

1. An automatic flanging production line for a shell of a fire extinguisher cabinet is characterized by comprising a main body frame (1), wherein a conveying belt (2) is installed on the main body frame (1), the conveying belt (2) is used for automatically conveying the shell, and a first aligning assembly (3), a first feeding assembly (4), a first flanging assembly (5), a second feeding assembly (6), a second flanging assembly (7), a third feeding assembly (8) and a bending assembly (9) are sequentially installed at the upper end of the main body frame (1) from left to right;

the first position correcting component (3) is used for carrying out position correction on the shell on the conveying belt (2);

the first feeding component (4) pushes the shell to the first folding component (5) for processing;

the first flanging assembly (5) is used for performing double flanging on one end of the shell;

the second feeding assembly (6) is used for pushing the shell with one end folded to the second folding assembly (7) for processing;

the second flanging assembly (7) is used for performing double flanging on the other end of the shell, and the structure of the second flanging assembly (7) is the same as that of the first flanging assembly (5) and the installation direction is opposite;

the third feeding assembly (8) pushes the shell with the two ends folded to the bending assembly (9) for bending; the first feeding component (4), the second feeding component (6) and the third feeding component (8) have the same structure and function;

the bending component (9) symmetrically bends the shell with the two ends folded;

the end part of the main body frame (1) close to the bending assembly (9) is provided with a discharging conveying roller (10), and the discharging conveying roller (10) conveys the processed shell to the main body frame (1).

2. The automatic flanging production line for the fire extinguisher case shell according to claim 1 is characterized in that the first aligning component (3) comprises an aligning rack (31), two groups of guide frames (32) are installed at one end, far away from the first feeding component (4), of the aligning rack (31), first aligning cylinders (33) are symmetrically installed at two sides of the aligning rack (31), an aligning push plate (34) is fixedly installed at the output end of each first aligning cylinder (33), two groups of first aligning guide rods (35) are fixedly installed on each aligning push plate (34), and the first aligning guide rods (35) are connected to the aligning rack (31) in a sliding and penetrating manner;

one end of the correcting rack (31) far away from the guide frame (32) is fixedly provided with a second vertical downward correcting cylinder (36), the output end of the second correcting cylinder (36) is fixedly provided with a correcting baffle (37), two groups of second correcting guide rods (38) are fixedly arranged on the correcting baffle (37), and the second correcting guide rods (38) are connected to the correcting rack (31) in a sliding and penetrating manner.

3. The fire extinguisher case housing flanging automatic production line according to claim 1, wherein the first feeding assembly (4) comprises a feeding rack (43) and two groups of horizontal feeding guide rails (41), two ends of the feeding rack (43) are respectively connected to the two groups of horizontal feeding guide rails (41) in a sliding manner, a first feeding cylinder (42) is fixedly installed on the horizontal feeding guide rails (41), and the output end of the first feeding cylinder (42) is fixedly connected to the feeding rack (43);

two groups of vertical downward vertical feeding guide rails (45) are fixedly installed on the feeding rack (43), a feeding base plate (46) is connected onto the vertical feeding guide rails (45) in a sliding manner, a vertical downward second feeding air cylinder (44) is fixedly installed on the feeding rack (43), and the output end of the second feeding air cylinder (44) is fixedly connected onto the feeding base plate (46);

a third feeding cylinder (47) in the horizontal direction is fixedly arranged on the feeding base plate (46), the output end of the third feeding cylinder (47) is fixedly connected with a feeding support (49), two groups of feeding guide rods (48) are horizontally and fixedly arranged on the feeding support (49), and the feeding guide rods (48) are connected to the feeding base plate (46) in a sliding and penetrating manner.

4. The fire extinguisher cabinet shell flanging automatic production line of claim 1, wherein the first flanging assembly (5) comprises a flanging frame (51), a flanging driving assembly (54) and a flanging mechanism (55), a vertical downward pressing cylinder (52) is fixedly installed on the flanging frame (51), and the output end of the pressing cylinder (52) is fixedly connected with a downward pressing seat (53);

the folding driving assembly (54) is provided with two groups which are respectively installed at two ends of the folding rack (51), the folding driving assembly (54) comprises a first folding cylinder (541), the output end of the first folding cylinder (541) is fixedly provided with a folding driving seat (542), the folding driving seat (542) is rotatably connected with a folding driving arm (543), and two ends of the folding mechanism (55) are rotatably installed on the folding rack (51) and fixedly connected to the folding driving arm (543);

and the flanging frame (51) is provided with a flanging limiting assembly (56) and a flanging guide assembly (57), the flanging limiting assembly (56) is used for limiting the flanging processing of the frame body, and the flanging guide assembly (57) is used for guiding the lifting movement of the pressing base (53).

5. The automatic flanging production line for the fire extinguisher case housing according to claim 4, wherein the flanging mechanism (55) comprises flanging driving shafts (551) and vertical flanging seats (552), the flanging driving shafts (551) are provided with two groups and fixedly installed at two ends of the vertical flanging seats (552), the flanging driving shafts (551) are rotatably installed on the flanging machine frame (51) and fixedly connected to the flanging driving arms (543), the vertical flanging seats (552) are slidably connected with horizontal flanging seats (553), the vertical flanging seats (552) are fixedly installed with second flanging cylinders (554), and output ends of the second flanging cylinders (554) are fixedly connected to the horizontal flanging seats (553).

6. The automatic flanging production line for the fire extinguisher case shell according to claim 4, wherein the flanging limiting assembly (56) comprises a third flanging cylinder (561), the third flanging cylinder (561) is rotatably installed on the flanging frame (51), the output end of the third flanging cylinder (561) is rotatably connected with a limiting arm (562), the middle part of the limiting arm (562) is rotatably connected on the flanging frame (51), and the end part of the limiting arm (562), which is far away from the third flanging cylinder (561), is fixedly connected with an even limiting baffle frame (563).

7. The automatic flanging production line for the fire extinguisher case housing according to claim 4, wherein the flanging guide assembly (57) comprises two groups of guide racks (571) and guide shafts (572), the guide racks (571) are provided and fixedly mounted on the lower pressing seat (53), the guide shafts (572) are rotatably mounted on the flanging frame (51), the two groups of guide gears (573) are fixedly mounted on the guide shafts (572), and the guide gears (573) are meshed and connected with the guide racks (571).

8. The fire extinguisher cabinet shell flanging automatic production line of claim 1, characterized in that, the bending component (9) comprises a bending machine frame (91), a bending pressing component (92), a bending positioning component (93), a bending limiting component (94) and a bending driving component (97), a base support (95) is arranged below the bending rack (91), a bending base (96) is fixedly arranged at the upper end of the base support (95), a bending pressing assembly (92) comprises a bending pressing cylinder (921) and a bending guide seat (923), the output end of the bending pressing cylinder (921) is fixedly provided with the bending pressing seat (922), the bending guide seat (923) is fixedly arranged on the bending rack (91), a plurality of groups of bending guide rods (924) are arranged on the bending guide seat (923) in a sliding and penetrating manner, and the lower end of each bending guide rod (924) is fixedly connected to the bending pressing seat (922);

the bending positioning assembly (93) is used for positioning the shell before bending, the bending limiting assembly (94) is used for limiting the shell before bending, and the bending driving assembly (97) is used for driving the shell to bend.

9. The automatic flanging production line for the fire extinguisher case shell according to claim 8 is characterized in that the bending driving assembly (97) comprises a bending driving base (971) and a bending driving cylinder (972), two groups of bending driving cylinders (972) are symmetrically arranged and rotatably mounted on the bending driving base (971), a bending connecting frame (973) is rotatably mounted at the output end of the bending driving cylinder (972), a bending driving plate (974) is fixedly arranged on the bending connecting frame (973), and the bending driving plate (974) is rotatably connected to the bending base (96).

10. The fire extinguisher cabinet shell flanging automatic production line of claim 8 is characterized in that the bending positioning assembly (93) comprises a bending positioning cylinder (931) and a bending positioning guide rail (932), the bending positioning guide rail (932) is provided with two groups and is horizontally and fixedly installed on a bending rack (91), a positioning sliding seat (933) is slidably arranged on the bending positioning guide rail (932), a bending positioning push plate (934) is fixedly connected to the positioning sliding seat (933), the bending positioning cylinder (931) is horizontally and fixedly installed on the bending rack (91), and the output end of the bending positioning cylinder (931) is fixedly connected to the bending positioning push plate (934);

bend spacing subassembly (94) including bending spacing support (941) and bending spacing cylinder (942), bend spacing support (941) fixed mounting in one side of frame (91) of bending, sliding connection has the spacing support of bending (943) on bending spacing support (941), and the horizontal fixed mounting of the spacing cylinder of bending (942) is on bending spacing support (941), the output of the spacing cylinder of bending (942) and the spacing support of bending (943) fixed connection.

Technical Field

The invention belongs to the technical field of metal plate bending and processing, and particularly relates to an automatic production line for flanging of a fire extinguisher case shell.

Background

The sheet metal is a processing technology which has no complete definition so far, and can be defined as a sheet metal which is a comprehensive cold processing technology aiming at sheet metal according to a definition in a special journal in foreign countries, and the sheet metal comprises shearing, punching, cutting, compounding, folding, riveting, splicing, forming and the like, and has the remarkable characteristic that the thickness of the same part is consistent.

The existing sheet metal machining device has the defects that the workpiece cannot be automatically bent at two ends, the sheet metal machining device is single in function, the shell cannot be automatically conveyed, the feeding, the folding and the bending are carried out, the manual replacement operation is needed in the machining process, the sheet metal machining device is troublesome, the labor cost is increased, and the machining efficiency is reduced.

Disclosure of Invention

The invention aims to provide an automatic flanging production line for a fire extinguisher case shell, which can realize full-automatic conveying, flanging and bending of the shell, does not need manual participation of workers in the whole process, and effectively improves the bending efficiency.

The purpose of the invention can be realized by the following technical scheme:

an automatic flanging production line for a fire extinguisher case shell comprises a main body frame, wherein a conveying belt is arranged on the main body frame and used for automatically conveying the shell, and a first aligning component, a first feeding component, a first flanging component, a second feeding component, a second flanging component, a third feeding component and a bending component are sequentially arranged at the upper end of the main body frame from left to right;

the first position correcting assembly is used for carrying out position correction on the shell on the conveying belt;

the first feeding assembly pushes the shell to the first folding assembly for processing;

the first flanging component is used for performing double flanging on one end of the shell;

the second feeding assembly is used for pushing the shell with one end folded to the second folding assembly for processing;

the second flanging component is used for performing double flanging on the other end of the shell, and has the same structure as the first flanging component and the opposite installation direction;

the third feeding assembly pushes the shell with the two ends folded to the bending assembly for bending; the first feeding component, the second feeding component and the third feeding component have the same structure and function;

the bending assembly symmetrically bends the shell with the two ends folded;

the main part frame is close to the tip of bending the subassembly and installs ejection of compact conveying roller, and ejection of compact conveying roller will process the shell after accomplishing and carry a main part frame.

As a further scheme of the invention: the first position correcting assembly comprises a position correcting rack, two groups of guide frames are mounted at one end, away from the first feeding assembly, of the position correcting rack, first position correcting cylinders are symmetrically mounted at two sides of the position correcting rack, a position correcting push plate is fixedly mounted at the output end of each first position correcting cylinder, two groups of first position correcting guide rods are fixedly mounted on each position correcting push plate, and the first position correcting guide rods are connected to the position correcting rack in a sliding penetrating mode;

one end of the position correcting rack, which is far away from the guide frame, is fixedly provided with a second position correcting cylinder which faces downwards vertically, the output end of the second position correcting cylinder is fixedly provided with a position correcting baffle, two groups of second position correcting guide rods are fixedly arranged on the position correcting baffle, and the second position correcting guide rods are connected to the position correcting rack in a sliding and penetrating manner.

As a further scheme of the invention: the first feeding assembly comprises a feeding rack and two groups of horizontal feeding guide rails, two ends of the feeding rack are respectively connected to the two groups of horizontal feeding guide rails in a sliding mode, a first feeding cylinder is fixedly mounted on the horizontal feeding guide rails, and the output end of the first feeding cylinder is fixedly connected to the feeding rack;

the feeding rack is fixedly provided with two groups of vertical feeding guide rails which are vertically downward, the vertical feeding guide rails are connected with a feeding seat plate in a sliding manner, the feeding rack is fixedly provided with a second feeding cylinder which is vertically downward, and the output end of the second feeding cylinder is fixedly connected to the feeding seat plate;

the feeding seat plate is fixedly provided with a third feeding cylinder in the horizontal direction, the output end of the third feeding cylinder is fixedly connected with a feeding support, the feeding support is horizontally and fixedly provided with two groups of feeding guide rods, and the feeding guide rods are connected to the feeding seat plate in a sliding and penetrating manner.

As a further scheme of the invention: the first flanging component comprises a flanging rack, a flanging driving component and a flanging mechanism, wherein a vertical downward pressing cylinder is fixedly mounted on the flanging rack, and the output end of the pressing cylinder is fixedly connected with a lower pressing seat;

the folding mechanism comprises a folding frame, a folding driving assembly and a folding mechanism, wherein the folding driving assembly is provided with two groups which are respectively arranged at two ends of the folding frame, the folding driving assembly comprises a first folding cylinder, the output end of the first folding cylinder is fixedly provided with a folding driving seat, a folding driving arm is rotatably connected onto the folding driving seat, and two ends of the folding mechanism are rotatably arranged on the folding frame and fixedly connected onto the folding driving arm;

the flanging machine frame is provided with a flanging limiting assembly and a flanging guiding assembly, the flanging limiting assembly is used for limiting the flanging processing of the frame body, and the flanging guiding assembly is used for guiding the lifting movement of the pressing base.

As a further scheme of the invention: the hem mechanism includes hem drive shaft and vertical hem seat, and the hem drive shaft is provided with two sets ofly and fixed mounting at vertical hem seat both ends, and the hem drive shaft rotates to be installed in the hem frame and fixed connection on the hem actuating arm, and sliding connection has horizontal hem seat on the vertical hem seat, and fixed mounting has the second hem cylinder on the vertical hem seat, and the output fixed connection of second hem cylinder is on horizontal hem seat.

As a further scheme of the invention: the flanging limiting assembly comprises a third flanging cylinder, the third flanging cylinder is rotatably installed on the flanging rack, the output end of the third flanging cylinder is rotatably connected with a limiting arm, the middle part of the limiting arm is rotatably connected onto the flanging rack, and the limiting arm is far away from the end part fixedly connected with the even limiting baffle frame of the third flanging cylinder.

As a further scheme of the invention: the flanging guide assembly comprises a guide rack and a guide shaft, the guide rack is provided with two groups and is fixedly installed on the lower pressing seat, the guide shaft is rotatably installed on the flanging rack, two groups of guide gears are fixedly installed on the guide shaft, and the guide gears are meshed with the guide rack and connected.

As a further scheme of the invention: the bending assembly comprises a bending rack, a bending pressing assembly, a bending positioning assembly, a bending limiting assembly and a bending driving assembly, a base support is arranged below the bending rack, a bending base is fixedly arranged at the upper end of the base support, the bending pressing assembly comprises a bending pressing air cylinder and a bending guide seat, the output end of the bending pressing air cylinder is fixedly provided with the bending pressing seat, the bending guide seat is fixedly arranged on the bending rack, a plurality of groups of bending guide rods are arranged on the bending guide seat in a sliding penetrating mode, and the lower ends of the bending guide rods are fixedly connected to the bending pressing seat;

the bending positioning assembly is used for positioning the shell before bending, the bending limiting assembly is used for limiting the shell before bending, and the bending driving assembly is used for driving the shell to be bent.

As a further scheme of the invention: the bending driving assembly comprises a bending driving base and a bending driving cylinder, the bending driving cylinder is symmetrically provided with two groups and is rotatably installed on the bending driving base, the output end of the bending driving cylinder is rotatably installed with a bending connecting frame, a bending driving plate is fixedly arranged on the bending connecting frame, and the bending driving plate is rotatably connected to the bending base.

As a further scheme of the invention: the bending positioning assembly comprises a bending positioning air cylinder and bending positioning guide rails, the bending positioning guide rails are provided with two groups and horizontally and fixedly installed on the bending machine frame, a positioning sliding seat is arranged on the bending positioning guide rails in a sliding mode, a bending positioning push plate is fixedly connected onto the positioning sliding seat, the bending positioning air cylinder is horizontally and fixedly installed on the bending machine frame, and the output end of the bending positioning air cylinder is fixedly connected onto the bending positioning push plate;

the bending limiting assembly comprises a bending limiting support and a bending limiting cylinder, the bending limiting support is fixedly installed on one side of the bending rack, a bending limiting support is connected to the bending limiting support in a sliding mode, the bending limiting cylinder is horizontally and fixedly installed on the bending limiting support, and the output end of the bending limiting cylinder is fixedly connected with the bending limiting support.

The invention has the beneficial effects that: the shell to be processed is placed on a conveying belt arranged on a main body frame, the shell to be processed is conveyed through the conveying belt, when the shell to be processed is conveyed on the conveying belt, the position of the shell to be processed is calibrated through a first position calibrating assembly, the shell is pushed to a first flanging assembly for processing through a first feeding assembly after the position calibration, one end of the shell to be processed is subjected to two-way flanging processing in the horizontal and vertical directions through the first flanging assembly, the shell after primary processing is pushed into a second flanging assembly under the action of a second feeding assembly, the second flanging assembly carries out flanging processing on the other end of the shell after primary processing in the horizontal and vertical directions, the shell after secondary flanging processing is pushed into a bending assembly under the action of a third feeding assembly, and the bending assembly symmetrically bends the shell after secondary flanging processing, the symmetrically bent shell is output to an automatic production line through a discharging conveying roller;

the production line can realize full-automatic conveying, edge folding and bending processing of the shell, the whole processing process does not need manual participation of workers, and the efficiency of bending and bending processing is effectively improved while the labor cost is saved.

Drawings

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

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

FIG. 2 is a schematic view of the overall axial structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural diagram of a first alignment assembly according to the present invention;

FIG. 5 is a schematic axial view of a first alignment assembly according to the present invention;

FIG. 6 is a schematic view of a first feed assembly of the present invention;

FIG. 7 is a schematic axial view of a first feed assembly of the present invention;

FIG. 8 is a schematic view of the first hemming assembly of the present invention;

FIG. 9 is a schematic axial view of the first hemming assembly of the present invention;

FIG. 10 is a schematic view of the folding mechanism of the first folding assembly of the present invention;

FIG. 11 is a schematic structural view of a bending assembly of the present invention;

FIG. 12 is a schematic axial view of a bending assembly according to the present invention;

FIG. 13 is a front view of a bending assembly of the present invention;

FIG. 14 is a schematic view of the initial configuration of the housing of the present invention;

FIG. 15 is a schematic view of the housing of the present invention after it has been hemmed by the first hemming assembly;

FIG. 16 is a schematic view of the housing of the present invention after it has been hemmed by a second hemming assembly;

FIG. 17 is a side elevational view of the outer shell of the present invention after being hemmed by the second hemming assembly;

fig. 18 is a schematic structural view of the housing of the present invention after being bent by the bending assembly.

In the figure: 1. a main body frame; 2. a conveyor belt; 3. a first position correcting component; 31. a position correcting rack; 32. a guide frame; 33. a first position correction cylinder; 34. a position correction push plate; 35. a first position correcting guide rod; 36. a second calibration cylinder; 37. a position correcting baffle plate; 38. a second positioning guide rod; 4. a first feeding assembly; 41. a horizontal feeding guide rail; 42. a first feed cylinder; 43. a feeding frame; 44. a second feed cylinder; 45. a vertical feeding guide rail; 46. a feeding seat plate; 47. a third feeding cylinder; 48. a feeding guide rod; 49. a feeding bracket; 5. a first hemming assembly; 51. a flanging frame; 52. a pressing cylinder; 53. pressing down the base; 54. a hem drive assembly; 541. a first flanging cylinder; 542. a flanging driving seat; 543. a hem driving arm; 55. a flanging mechanism; 551. a hem driving shaft; 552. a vertical hemming seat; 553. a horizontal flanging seat; 554. a second flanging cylinder; 56. a flanging limiting assembly; 561. a third flanging cylinder; 562. a limiting arm; 563. a limiting blocking frame; 57. a hem guide assembly; 571. a guide rack; 572. a guide shaft; 573. a guide gear; 6. a second feeding assembly; 7. a second hem assembly; 8. a third feeding assembly; 9. bending the assembly; 91. bending the frame; 92. bending the pressing assembly; 921. bending and pressing the air cylinder; 922. bending the pressing seat; 923. bending the guide seat; 924. bending the guide rod; 93. bending the positioning assembly; 931. bending and positioning the cylinder; 932. bending the positioning guide rail; 933. positioning the sliding seat; 934. bending the positioning push plate; 94. bending a limiting assembly; 941. bending the limiting support; 942. a bending limit cylinder; 943. bending the limiting bracket; 95. a base support; 96. bending the base; 97. a bending drive assembly; 971. bending the driving base; 972. bending a driving cylinder; 973. bending the connecting frame; 974. bending the driving plate; 10. and a discharging conveying roller.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, an automatic flanging production line for a fire extinguisher case shell comprises a main body frame 1, wherein a conveyor belt 2 is installed on the main body frame 1, the conveyor belt 2 is used for automatically conveying the shell, and a first aligning assembly 3, a first feeding assembly 4, a first flanging assembly 5, a second feeding assembly 6, a second flanging assembly 7, a third feeding assembly 8 and a bending assembly 9 are sequentially installed at the upper end of the main body frame 1 from left to right;

the first position correcting component 3 is used for carrying out position correction on the shell on the conveying belt 2;

the first feeding component 4 pushes the shell to the first folding component 5 for processing;

the first flanging assembly 5 is used for performing double flanging on one end of the shell;

the second feeding assembly 6 is used for pushing the shell with one end folded to the second folding assembly 7 for processing;

the second flanging assembly 7 is used for performing double flanging on the other end of the shell, and the structure of the second flanging assembly 7 is the same as that of the first flanging assembly 5, and the installation direction is opposite;

the third feeding assembly 8 pushes the shell with the two folded ends to the bending assembly 9 for bending;

the bending component 9 symmetrically bends the shell with the two ends folded;

the end part of the main body frame 1 close to the bending assembly 9 is provided with a discharging conveying roller 10, and the discharging conveying roller 10 conveys the processed shell to the main body frame 1.

The first position correcting assembly 3 comprises a position correcting rack 31, two groups of guide frames 32 are mounted at one end, far away from the first feeding assembly 4, of the position correcting rack 31, first position correcting cylinders 33 are symmetrically mounted at two sides of the position correcting rack 31, a position correcting push plate 34 is fixedly mounted at the output end of each first position correcting cylinder 33, two groups of first position correcting guide rods 35 are fixedly mounted on the position correcting push plates 34, and the first position correcting guide rods 35 are connected to the position correcting rack 31 in a sliding penetrating mode;

one end of the position correcting rack 31, which is far away from the guide frame 32, is fixedly provided with a second position correcting cylinder 36 which faces vertically downwards, the output end of the second position correcting cylinder 36 is fixedly provided with a position correcting baffle 37, two groups of second position correcting guide rods 38 are fixedly arranged on the position correcting baffle 37, and the second position correcting guide rods 38 are connected to the position correcting rack 31 in a sliding and penetrating manner.

The first feeding assembly 4 comprises a feeding rack 43 and two groups of horizontal feeding guide rails 41, two ends of the feeding rack 43 are respectively connected to the two groups of horizontal feeding guide rails 41 in a sliding manner, a first feeding cylinder 42 is fixedly installed on each horizontal feeding guide rail 41, and the output end of each first feeding cylinder 42 is fixedly connected to the feeding rack 43;

two groups of vertical downward feeding guide rails 45 are fixedly installed on the feeding rack 43, the vertical feeding guide rails 45 are connected with a feeding base plate 46 in a sliding manner, a vertical downward second feeding cylinder 44 is fixedly installed on the feeding rack 43, and the output end of the second feeding cylinder 44 is fixedly connected to the feeding base plate 46;

a third feeding cylinder 47 in the horizontal direction is fixedly installed on the feeding base plate 46, the output end of the third feeding cylinder 47 is fixedly connected with a feeding bracket 49, two groups of feeding guide rods 48 are horizontally and fixedly installed on the feeding bracket 49, and the feeding guide rods 48 are connected to the feeding base plate 46 in a sliding and penetrating manner.

The first flanging assembly 5 comprises a flanging frame 51, a flanging driving assembly 54 and a flanging mechanism 55, wherein a vertical downward pressing cylinder 52 is fixedly mounted on the flanging frame 51, and the output end of the pressing cylinder 52 is fixedly connected with a downward pressing seat 53;

the folding driving assembly 54 is provided with two groups which are respectively installed at two ends of the folding frame 51, the folding driving assembly 54 comprises a first folding cylinder 541, the output end of the first folding cylinder 541 is fixedly provided with a folding driving seat 542, the folding driving seat 542 is rotatably connected with a folding driving arm 543, and two ends of the folding mechanism 55 are rotatably installed on the folding frame 51 and fixedly connected with the folding driving arm 543;

and a folding limit component 56 and a folding guide component 57 are installed on the folding frame 51, the folding limit component 56 is used for limiting the folding processing of the frame body, and the folding guide component 57 is used for guiding the lifting movement of the lower press base 53.

Hem mechanism 55 includes hem drive shaft 551 and vertical hem seat 552, and hem drive shaft 551 is provided with two sets ofly and fixed mounting at vertical hem seat 552 both ends, and hem drive shaft 551 rotates to be installed on hem frame 51 and fixed connection on hem actuating arm 543, and sliding connection has horizontal hem seat 553 on vertical hem seat 552, and fixed mounting has second hem cylinder 554 on vertical hem seat 552, and the output fixed connection of second hem cylinder 554 is on horizontal hem seat 553.

The folding limiting assembly 56 comprises a third folding cylinder 561, the third folding cylinder 561 is rotatably installed on the folding frame 51, an output end of the third folding cylinder 561 is rotatably connected with a limiting arm 562, the middle of the limiting arm 562 is rotatably connected on the folding frame 51, and the limiting arm 562 is far away from an end part fixed connection even limiting baffle frame 563 of the third folding cylinder 561.

The hemming guide assembly 57 includes two sets of guide racks 571 and guide shafts 572, the guide racks 571 are fixedly mounted on the pressing base 53, the guide shafts 572 are rotatably mounted on the hemming frame 51, the guide shafts 572 are fixedly mounted with two sets of guide gears 573, and the guide gears 573 are engaged with the guide racks 571.

The bending assembly 9 comprises a bending rack 91, a bending pressing assembly 92, a bending positioning assembly 93, a bending limiting assembly 94 and a bending driving assembly 97, a base support 95 is arranged below the bending rack 91, a bending base 96 is fixedly arranged at the upper end of the base support 95, the bending pressing assembly 92 comprises a bending pressing cylinder 921 and a bending guide seat 923, the output end of the bending pressing cylinder 921 is fixedly provided with a bending pressing seat 922, the bending guide seat 923 is fixedly arranged on the bending rack 91, a plurality of groups of bending guide rods 924 are arranged on the bending guide seat 923 in a sliding penetrating manner, and the lower ends of the bending guide rods 924 are fixedly connected to the bending pressing seat 922;

the bending positioning assembly 93 is used for positioning the shell before bending, the bending limiting assembly 94 is used for limiting the shell before bending, and the bending driving assembly 97 is used for driving the shell to be bent.

The drive assembly 97 of bending drives actuating cylinder 972 including bending drive base 971 and bending, bends and drives actuating cylinder 972 symmetry and be provided with two sets ofly and rotate and install on the drive base 971 of bending, bends to drive the output rotation of actuating cylinder 972 and install the link 973 of bending, bends to fix being provided with on the link 973 and bend drive plate 974, bends drive plate 974 and rotates to be connected on the base 96 of bending.

The bending positioning assembly 93 comprises a bending positioning cylinder 931 and a bending positioning guide rail 932, the bending positioning guide rail 932 is provided with two groups and is horizontally and fixedly installed on the bending rack 91, a positioning sliding seat 933 is arranged on the bending positioning guide rail 932 in a sliding manner, a bending positioning push plate 934 is fixedly connected to the positioning sliding seat 933, the bending positioning cylinder 931 is horizontally and fixedly installed on the bending rack 91, and the output end of the bending positioning cylinder 931 is fixedly connected to the bending positioning push plate 934;

the limit assembly 94 of bending is including the limit support 941 of bending and the limit cylinder 942 of bending, and the limit support 941 fixed mounting of bending has the limit support 943 of bending in one side of the frame 91 of bending, and sliding connection has on the limit support 941 of bending, and the limit cylinder 942 of bending level fixed mounting is on the limit support 941 of bending, the output of the limit cylinder 942 of bending with the limit support 943 fixed connection of bending.

When the invention is used, a shell to be processed (as shown in figure 14) is placed on a conveying belt 2 arranged on a main body frame 1, the shell to be processed is conveyed through the conveying belt 2, when the shell to be processed is conveyed on the conveying belt 2, the position of the shell to be processed is calibrated through a first aligning component 3, the shell is pushed to a first flanging component 5 for processing by a first feeding component 4 after the position calibration, one end of the shell to be processed is subjected to two-fold processing in the horizontal and vertical directions through the first flanging component 5, the shell after primary processing (as shown in figure 15) is pushed to a second flanging component 7 under the action of a second feeding component 6, the other end of the shell after primary processing is subjected to flanging processing in the horizontal and vertical directions by the second flanging component 7, the shell after secondary flanging (as shown in figures 16 and 17) is pushed to a bending component 9 under the action of a third feeding component 8, the bending assembly 9 symmetrically bends the shell after the secondary flanging, and the shell after the symmetric bending (as shown in fig. 18) is output to the automatic production line through the discharging conveying rollers 10.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.