Metal plate bending device for trolley machining

Abstract

The utility model discloses a metal plate bending device for trolley machining. The metal plate bending device comprises a workbench, and conveying belts are arranged on one side of the workbench side by side. A fixing base is fixedly installed at the upper end of the workbench, and two sets of symmetrically-arranged bending assemblies are arranged on the two sides of the fixing base. A mounting plate is arranged above the fixing base, a pressing air cylinder is arranged at the lower end of the mounting plate, and a double-end sliding table air cylinder is arranged at the upper end of the mounting plate. The pressing air cylinder presses the sheet metal part through the positioning pressing plate, and the bending stability is guaranteed; the double-head sliding table cylinder is used for limiting and pushing the sheet metal parts through the first push plate and the second push plate; according to the sheet metal part bending device, the positioning air cylinder and the bending air cylinder are used in cooperation, the sheet metal part can be bent rapidly and accurately after being positioned, the positioning air cylinder ensures that the position of the sheet metal part is accurate before bending, the bending air cylinder applies pressure to the sheet metal part through the bending extrusion rod, and accurate and efficient bending machining of the sheet metal part is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a sheet metal bending device for trolley processing. Background Art

[0002] In the vast field of modern production, trolleys, as an efficient transportation tool, play a vital role in all walks of life. Whether it is the distribution of parts in machinery factories, the circuit board racks in electronics factories, or the storage of plastic shells and the distribution of various semi-finished products, trolleys play a vital role. In the production and processing of trolleys, the application of sheet metal parts is particularly common, and its quality and precision directly affect the overall performance and service life of the trolley.

[0003] In order to meet the needs of specific shapes and sizes of sheet metal parts in trolley processing, sheet metal bending technology came into being. The traditional sheet metal bending process usually involves placing the sheet metal on a bending machine and bending the sheet metal by controlling the descent of the bending knife. In this process, the role of the pressure head is particularly critical. It applies pressure to the sheet metal to deform it according to the bending degree of the mold, thereby achieving the desired bending effect.

[0004] However, with the continuous improvement of production requirements, traditional bending devices have gradually exposed some problems in practical applications. First, due to the lack of an effective limit mechanism, sheet metal parts are prone to displacement on the top of the mold during the bending process, which not only affects the bending accuracy, but also may cause unnecessary damage to the equipment; secondly, existing bending devices often do not have continuity, and after the bending operation, it often takes a long time to prepare for the next bending, which undoubtedly reduces production efficiency and the smoothness of continuous operation. Summary of the invention

[0005] The utility model aims to provide a sheet metal bending device for trolley processing to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A sheet metal bending device for trolley processing comprises a workbench, a fixed bracket is provided at the bottom of the workbench, wherein adjustable foot pads are respectively installed at the bottom of the fixed brackets; a conveyor belt is arranged side by side on one side of the workbench, wherein the conveyor belt is provided with sheet metal parts; a fixed seat is fixedly installed at the upper end of the workbench, wherein a limiting column is symmetrically installed at the upper end of the fixed seat; the height of the fixed seat is equivalent to the height of the conveyor belt, wherein one side of the fixed seat is in contact with the side wall of the conveyor belt; two groups of symmetrically arranged bending components are provided on both sides of the fixed seat, wherein the two groups of bending components have the same structure and are respectively fixedly connected to the workbench; a mounting plate is provided above the fixed seat, wherein a mounting plate is installed The two ends of the plate are fixedly connected to the workbench through supporting plates; a clamping cylinder is provided at the lower end of the mounting plate, wherein the clamping cylinder is arranged directly above the fixing seat; a double-headed slide cylinder is provided at the upper end of the mounting plate, wherein the two ends of the piston rod of the double-headed slide cylinder are respectively connected to the first slide and the second slide; the lower end of the first slide is fixedly connected to the first support arm, wherein the lower end of the first support arm is provided with a first push plate perpendicular to the first slide; the lower end of the second slide is fixedly connected to the second support arm, wherein the lower end of the second support arm is provided with a second push plate perpendicular to the first slide; a limit snap is provided between the first push plate and the second push plate, wherein the limit snap is adapted to the sheet metal part.

[0008] Preferably, the bending assembly includes a positioning cylinder and a bending cylinder, wherein the positioning cylinder is arranged at the upper end of the workbench, and the bending cylinder is arranged at the lower end of the workbench; the piston rod of the positioning cylinder is arranged toward one side of the fixed seat and is fixedly connected to the positioning rod, wherein the positioning rod is arranged above the fixed seat; the bending cylinder is arranged obliquely below the workbench, wherein the top end of the piston rod of the bending cylinder is fixedly connected to a bending extrusion rod; a movable hole is provided on the workbench, wherein the bending extrusion rod passes through the movable hole upward and extends toward one side of the fixed seat; an avoidance groove is provided on the fixed seat close to the side of the bending extrusion rod, wherein the avoidance groove is arranged obliquely and is adapted to the bending extrusion rod.

[0009] Preferably, a positioning plate is provided at the front end of the positioning rod, wherein a positioning groove corresponding to the avoidance groove is opened at the lower end of the positioning plate; the bending and extrusion rod is arranged below the positioning rod, wherein the top end of the bending and extrusion rod extends into the positioning groove; a bending head is provided at the top end of the bending and extrusion rod, wherein the upper end of the bending head is in contact with the lower end of the positioning rod.

[0010] Preferably, the clamping cylinder is vertically arranged, wherein the end of the cylinder body of the clamping cylinder is fixedly connected to the mounting plate; a positioning plate is fixedly installed on the top of the piston rod of the clamping cylinder, wherein the extrusion surface of the positioning plate is provided with a rubber pad.

[0011] Preferably, a fixing rod is provided between the first slide platform and the second slide platform, wherein a transverse plate is provided between the first support arm and the second support arm.

[0012] Preferably, the first push plate and the second push plate are located at the same horizontal height, wherein the first push plate and the second push plate are respectively arranged above the fixing seat.

[0013] Preferably, a connecting block is provided at one end of the second push plate close to the first push plate, a movable groove is provided at the lower end of the connecting block, and an elastic pressure head is provided in the movable groove.

[0014] Preferably, a first material stopping cylinder and a second material stopping cylinder are respectively provided on both sides of the double-head slide cylinder; the first material stopping cylinder is arranged above the conveyor belt, wherein the first material stopping cylinder is arranged vertically and fixedly connected to the lower end of the mounting plate; the top end of the piston rod of the first material stopping cylinder is fixedly connected to the first material stopping plate; the second material stopping cylinder is arranged horizontally, wherein the second material stopping cylinder is fixedly connected to the workbench through the mounting plate; the top end of the piston rod of the second material stopping cylinder is connected to the second material stopping plate, wherein the second material stopping plate extends toward one side of the conveyor belt.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model has the advantages of high automation, high working efficiency, high bending accuracy, strong continuous operation capability, etc., and effectively solves the problems of existing bending devices in terms of bending accuracy and continuity. Through the coordinated use of the positioning cylinder and the bending cylinder, the sheet metal parts can quickly and accurately complete the bending action after positioning. The positioning cylinder ensures the accurate position of the sheet metal parts before bending, while the bending cylinder applies pressure to the sheet metal parts through the bending extrusion rod to achieve bending; by setting the clamping cylinder and the double-head slide cylinder, the automation and continuous operation capability of the device are further enhanced, wherein the clamping cylinder clamps the sheet metal parts through the positioning pressure plate to ensure stability during bending; the double-head slide cylinder limits and pushes the sheet metal parts through the first push plate and the second push plate to ensure the stability of the sheet metal parts during transmission, and realizes accurate and efficient bending processing of the sheet metal parts, which is highly practical and has broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the workbench of the utility model;

[0018] Figure 3 This is a rear view structural diagram of the workbench of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the connection between the pressing cylinder and the mounting plate of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the connection between the bending assembly and the mounting plate of the utility model;

[0021] Figure 6 yes Figure 5 An enlarged schematic diagram of the structure at A is shown;

[0022] Figure 7 It is a structural schematic diagram of a double-head slide cylinder of the utility model.

[0023] Among them: 1. Workbench; 2. Fixed bracket; 3. Adjustable foot pad; 4. Conveyor belt; 5. Sheet metal; 6. Fixed seat; 7. Bending assembly; 701. Positioning cylinder; 702. Bending cylinder; 703. Positioning rod; 704. Bending extrusion rod; 705. Positioning plate; 706. Bending head; 8. Mounting plate; 9. Support plate; 10. Clamping cylinder; 11. Double-head slide cylinder; 12. First slide; 13. Second slide; 14. First support arm; 1 5. First push plate; 16. Second support arm; 17. Second push plate; 18. Limiting bayonet; 19. Limiting column; 20. Movable hole; 21. Avoidance groove; 22. Positioning groove; 23. Positioning pressure plate; 24. Fixing rod; 25. Cross plate; 26. Connecting block; 27. Movable groove; 28. Elastic pressure head; 29. ​​First material-blocking cylinder; 30. Second material-blocking cylinder; 31. First material-blocking plate; 32. Mounting plate; 33. Second material-blocking plate; 34. Position sensor. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] Please refer to Figures 1 to 7 To achieve the above purpose, the utility model provides the following technical solutions:

[0026] A sheet metal bending device for trolley processing comprises a workbench 1, a fixed bracket 2 is provided at the bottom of the workbench 1, the fixed bracket 2 is used to support the entire device and keep it stable, wherein an adjustable foot pad 3 is installed at the bottom of the fixed bracket 2, and the adjustable foot pad 3 can be adjusted in height as needed to ensure that the device can remain horizontal under different ground conditions; a conveyor belt 4 is arranged side by side on one side of the workbench 1, wherein the conveyor belt 4 is provided with a sheet metal part 5, and the design of the conveyor belt 4 enables the sheet metal part 5 to easily enter and leave the working area; a fixed seat 6 is fixedly installed at the upper end of the workbench 1, wherein a limiting column 19 is symmetrically installed on the upper end of the fixed seat 6, and the limiting column 19 is used to fix the position of the sheet metal part 5 during the bending process to prevent it from moving; the fixed seat The height of the fixing seat 6 is equivalent to the height of the conveyor belt 4, wherein one side of the fixing seat 6 is in contact with the side wall of the conveyor belt 4, thereby ensuring that the sheet metal part 5 can be accurately guided to the bending position of the fixing seat 6 during the conveying process; two groups of symmetrically arranged bending components 7 are provided on both sides of the fixing seat 6, wherein the two groups of bending components 7 have the same structure and are respectively fixedly connected to the workbench 1, and the bending components 7 are the core part of the bending operation, wherein the two groups of bending components 7 have the same structure, thereby ensuring the consistency and accuracy of the bending; a mounting plate 8 is provided above the fixing seat 6, wherein both ends of the mounting plate 8 are respectively fixedly connected to the workbench 1 through support plates 9, and the mounting plate 8 is used to provide a stable supporting structure; a clamping cylinder 10 is provided at the lower end of the mounting plate 8, wherein the clamping cylinder 10 is arranged just above the fixing seat 6, and is used to press the sheet metal part 5 during the bending process to prevent it from moving or tilting; a double-headed slide cylinder 11 is provided at the upper end of the mounting plate 8, wherein the two ends of the piston rod of the double-headed slide cylinder 11 are respectively connected to the first slide 12 and the second slide 13, and the first slide 12 and the second slide 13 can move in a straight line under the drive of the double-headed slide cylinder 11; a first support arm 14 is fixedly connected to the lower end of the first slide 12, wherein the lower end of the first support arm 14 is provided with a first push plate 15 which is perpendicular to the first support arm 14; a second support arm 16 is fixedly connected to the lower end of the second slide 13, wherein the lower end of the second support arm 16 is provided with a second push plate 17 which is perpendicular to the second support arm 16; a limiter is provided between the first push plate 15 and the second push plate 17 The stopper 18, wherein the limit stopper 18 is adapted to the sheet metal part 5; by controlling the double-head slide cylinder 11, it drives the first support arm 14 and the second support arm 16 to synchronously drive the first push plate 15 and the second push plate 17 to move to the top of the conveyor belt 4, so that the limit stopper 18 between the first push plate 15 and the second push plate 17 is located on the conveying path of the sheet metal part 5; when the sheet metal part 5 is conveyed to the limit stopper 18 along the conveyor belt 4, the double-head slide cylinder 11 drives the piston rod to retract, so that the first push plate 15 and the second push plate 17 push the sheet metal part 5 to the fixed seat 6, and limit and fix it through the limit column 19, and then drive the two sets of bending components 7 respectively to perform precise and efficient bending processing on the sheet metal part at the same time.

[0027] Please refer to Figure 5 , Figure 6 As an embodiment of the utility model, the bending assembly 7 includes a positioning cylinder 701 and a bending cylinder 702, wherein the positioning cylinder 701 is arranged at the upper end of the workbench 1, and the bending cylinder 702 is arranged at the lower end of the workbench 1; the piston rod of the positioning cylinder 701 is arranged toward one side of the fixed seat 6, and the top end of the piston rod is fixedly connected with a positioning rod 703, wherein the positioning rod 703 is arranged above the fixed seat 6; the bending cylinder 702 is arranged obliquely below the workbench 1, wherein the top end of the piston rod of the bending cylinder 702 is fixedly connected with a bending extrusion rod 704; a movable hole 20 is opened on the workbench 1, wherein the bending extrusion rod 70 4 passes through the movable hole 20 upward and extends toward one side of the fixing seat 6; the fixing seat 6 is provided with an avoidance groove 21 on one side close to the bending and extruding rod 704, wherein the avoidance groove 21 is arranged obliquely and is adapted to the bending and extruding rod 704; a positioning plate 705 is provided at the front end of the positioning rod 703, wherein a positioning groove 22 corresponding to the avoidance groove 21 is provided at the lower end of the positioning plate 705; the bending and extruding rod 704 is arranged below the positioning rod 703, wherein the top end of the bending and extruding rod 704 extends into the positioning groove 22; a bending head 706 is provided at the top end of the bending and extruding rod 704, wherein the upper end surface of the bending head 706 is in contact with the lower end surface of the positioning rod 703.

[0028] In the above-described scheme, the positioning cylinder 701 is arranged at the upper end of the workbench 1, and its piston rod extends toward one side of the fixed seat 6. When the positioning cylinder 701 is started, the positioning cylinder 701 drives the piston rod to push the positioning rod 703 fixedly connected thereto to move forward until the top of the positioning rod 703 contacts the side of the sheet metal part 5. The function of the positioning rod 703 is to ensure that the sheet metal part 5 is in the correct position before bending, and to provide a reference for subsequent bending operations; the bending cylinder 702 is arranged at the lower end of the workbench 1 and is installed at an angle. This design is to match the angle required for bending the sheet metal part 5; wherein the top end of the piston rod of the bending cylinder 702 is connected to a bending extrusion rod 704. When the bending cylinder 702 is started, the bending cylinder 702 drives the piston rod to push the bending extrusion rod 704 to move upward. During the upward movement of the bending extrusion rod 704, Its top end passes through the movable hole 20 and enters the avoidance groove 21; a bending head 706 is provided at the top of the bending extrusion rod 704, wherein the bending head 706 cooperates with the positioning groove 22 at the lower end of the positioning plate 705. This design ensures the stability and accuracy of the movement of the bending extrusion rod 704; a horizontal end surface is provided at the upper end of the bending head 706. When the bending extrusion rod 704 moves upward, the upper end plane of the bending head 706 contacts the lower end of the positioning rod 703, so that through the joint action of the bending head 706 and the positioning rod 703, the bending part of the extruded sheet metal part 5 is bent along the moving direction of the bending head 706; after the bending is completed, the positioning cylinder 701 and the bending cylinder 702 are reset to wait for the next bending operation. At the same time, the double-head slide cylinder 11 pushes the processed sheet metal part 5 to the conveyor belt 4 to ensure that the sheet metal part 5 can smoothly enter the next process after bending.

[0029] See also Figure 4 As an embodiment of the utility model, the clamping cylinder 10 is vertically arranged, wherein the cylinder body end of the clamping cylinder 10 is fixedly connected to the mounting plate 8; a positioning plate 23 is fixedly installed on the top of the piston rod of the clamping cylinder 10, wherein the extrusion surface of the positioning plate 23 is provided with a rubber pad.

[0030] In the above-described scheme, when it is necessary to clamp the sheet metal 5, the clamping cylinder 10 starts working and drives the positioning pressure plate 23 and the rubber pad to move downward together. When the positioning pressure plate 23 contacts the sheet metal 5, the rubber pad first contacts the surface of the sheet metal 5 to play a buffering role, while preventing hard scratches or damage to the sheet metal 5; after the sheet metal 5 is clamped, the piston rod of the clamping cylinder 10 remains in the current position to ensure that the sheet metal 5 remains stable during the entire processing or operation process. The positioning pressure plate 23 and the rubber pad work together to ensure that the sheet metal 5 will not be displaced due to external force or vibration.

[0031] Please refer to Figure 2 , Figure 4 and Figure 7As an embodiment of the utility model, a fixing rod 24 is provided between the first slide 12 and the second slide 13, wherein a horizontal plate 25 is provided between the first support arm 14 and the second support arm 16; the first push plate 15 and the second push plate 17 are located at the same horizontal height, wherein the first push plate 15 and the second push plate 17 are respectively arranged above the fixing seat 6; the second push plate 17 is provided with a connecting block 26 at one end close to the first push plate 15, and a movable groove 27 is opened at the lower end of the connecting block 26, wherein an elastic pressing head 28 is provided in the movable groove 27.

[0032] In the above-described scheme, a transverse plate 25 is provided between the first support arm 14 and the second support arm 16, wherein the transverse plate 25 is used to provide additional support and stability to the first support arm 14 and the second support arm 16; the main function of the first push plate 15 and the second push plate 17 is to push the sheet metal part 5. When both are in action at the same time, the position of the sheet metal part 5 can be accurately controlled; the connecting block 26 is located at the top of the second push plate 17, and a movable groove 27 is provided at the lower end of the connecting block 26, so that the connecting block 26 and the elastic pressure head 28 have a certain movable space to adapt to sheet metal parts 5 of different sizes or shapes, wherein the elastic pressure head 28 is made of a spring or other elastic material, and the elastic pressure head 28 can automatically adjust its position according to the pressure of the sheet metal part 5 to ensure that the sheet metal part 5 is stably fixed or pushed.

[0033] Please refer to Figure 2 , Figure 3 As an embodiment of the utility model, a first material blocking cylinder 29 and a second material blocking cylinder 30 are respectively provided on both sides of the double-head slide cylinder 11; the first material blocking cylinder 29 is arranged above the conveyor belt 4, wherein the first material blocking cylinder 29 is vertically arranged and fixedly connected to the lower end of the mounting plate 8; the top end of the piston rod of the first material blocking cylinder 29 is fixedly connected to a first material blocking plate 31, wherein the first material blocking plate 31 is located at the feeding end of the conveyor belt 4; the second material blocking cylinder 30 is horizontally arranged, wherein the second material blocking cylinder 30 is fixedly connected to the workbench 1 through the mounting plate 32; the top end of the piston rod of the second material blocking cylinder 30 is connected to a second material blocking plate 33, wherein the second material blocking plate 33 extends toward the discharging end of the conveyor belt 4, and a position sensor 34 is provided at the feeding end of the conveyor belt 4, wherein the position sensor 34 and the first material blocking plate 31 are located on the same axis.

[0034] In the above-described scheme, the first material-blocking cylinder 29 and the second material-blocking cylinder 30 are respectively located on both sides of the double-head slide cylinder 11, which play the role of blocking and guiding the sheet metal parts 5; the conveyor belt 4 is responsible for transmitting the sheet metal parts 5 from the feed end to the discharge end, and the position sensor 34 is installed at the feed end of the conveyor belt 4 to detect the position of the sheet metal parts 5. When the conveyor belt 4 transports the sheet metal parts 5 close to the feed end, the position sensor 34 will detect the real-time position of the sheet metal parts 5. When the position sensor 34 cannot detect the sheet metal parts 5, it sends a signal to the control unit. After receiving the signal, the control unit will simultaneously activate the first material-blocking cylinder 2 9 and the second material blocking cylinder 30, wherein the first material blocking cylinder 29 drives the piston rod to extend downward and pushes the first material blocking plate 31 to descend, so that the first material blocking plate 31 blocks the subsequent sheet metal parts 5 on the conveyor belt 4; at the same time, the second material blocking cylinder 30 drives the piston rod to extend, and pushes the second material blocking plate 33 to move toward the discharge end of the conveyor belt 4 and blocks the current sheet metal part 5, thereby ensuring that the current sheet metal part 5 can stably stay in the limiting bayonet 18 composed of the first push plate 15 and the second push plate 17, and is pushed to the fixed seat 6 by the double-head slide cylinder 11, so as to facilitate the bending assembly 7 to bend it.

[0035] Although the specific embodiments of the present invention are described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications fall within the protection scope of the present invention.

Claims

1. A sheet metal bending device for trolley processing, comprising a workbench (1) and a fixed bracket (2) arranged below the workbench (1), wherein the bottom ends of the fixed brackets (2) are respectively provided with adjustable foot pads (3); characterized in that: A conveyor belt (4) is arranged side by side on one side of the workbench (1), wherein a sheet metal part (5) is arranged on the conveyor belt (4); a fixed seat (6) is installed on the upper end of the workbench (1), wherein the height of the fixed seat (6) is equivalent to the height of the conveyor belt (4); two groups of symmetrically arranged bending components (7) are arranged on both sides of the fixed seat (6), wherein the two groups of bending components (7) have the same structure and are respectively fixedly connected to the workbench (1); a mounting plate (8) is arranged above the fixed seat (6), wherein both ends of the mounting plate (8) are respectively fixedly connected to the workbench (1) through support plates (9); the lower end of the mounting plate (8) is provided with a plurality of support plates (9). A clamping cylinder (10) is provided at the end, wherein the clamping cylinder (10) is arranged directly above the fixing seat (6); a double-headed slide cylinder (11) is provided at the upper end of the mounting plate (8), wherein the two ends of the piston rod of the double-headed slide cylinder (11) are respectively connected to a first slide (12) and a second slide (13); the lower end of the first slide (12) is fixedly connected to a first support arm (14), wherein a first push plate (15) is provided at the lower end of the first support arm (14); the lower end of the second slide (13) is fixedly connected to a second support arm (16), wherein a second push plate (17) is provided at the lower end of the second support arm (16).

2. A sheet metal bending device for trolley processing according to claim 1, characterized in that: The bending assembly (7) comprises a positioning cylinder (701) and a bending cylinder (702), wherein the positioning cylinder (701) is arranged at the upper end of the workbench (1), and the bending cylinder (702) is arranged at the lower end of the workbench (1); the top end of the piston rod of the positioning cylinder (701) is fixedly connected to a positioning rod (703), wherein the positioning rod (703) is arranged above the fixing seat (6); the bending cylinder (702) is arranged obliquely below the workbench (1), wherein the top end of the piston rod of the bending cylinder (702) is fixedly connected to a bending extrusion rod (704); a movable hole (20) is provided on the workbench (1), wherein the bending extrusion rod (704) passes through the movable hole (20) upward and extends toward one side of the fixing seat (6); an avoidance groove (21) is provided on the fixing seat (6) near the side of the bending extrusion rod (704), wherein the avoidance groove (21) is arranged obliquely and is adapted to the bending extrusion rod (704).

3. A sheet metal bending device for trolley processing according to claim 2, characterized in that: A positioning plate (705) is provided at the front end of the positioning rod (703), wherein a positioning groove (22) corresponding to the avoidance groove (21) is opened at the lower end of the positioning plate (705); the bending and extrusion rod (704) is arranged below the positioning rod (703), wherein the top end of the bending and extrusion rod (704) extends into the positioning groove (22); a bending head (706) is provided at the top end of the bending and extrusion rod (704), wherein the upper end of the bending head (706) is in contact with the lower end of the positioning rod (703).

4. The sheet metal bending device for trolley processing according to claim 1, characterized in that: The clamping cylinder (10) is arranged vertically, wherein the cylinder body of the clamping cylinder (10) is fixedly connected to the mounting plate (8); a positioning plate (23) is fixedly installed at the top end of the piston rod of the clamping cylinder (10), wherein the extrusion surface of the positioning plate (23) is provided with a rubber pad.

5. The sheet metal bending device for trolley processing according to claim 1, characterized in that: A fixing rod (24) is provided between the first slide platform (12) and the second slide platform (13), wherein a transverse plate (25) is provided between the first support arm (14) and the second support arm (16).

6. The sheet metal bending device for trolley processing according to claim 1, characterized in that: The first push plate (15) and the second push plate (17) are located at the same horizontal height, wherein the first push plate (15) and the second push plate (17) are respectively arranged above the fixing seat (6).

7. A sheet metal bending device for trolley processing according to claim 6, characterized in that: A connecting block (26) is provided at one end of the second push plate (17) close to the first push plate (15); a movable groove (27) is provided at the lower end of the connecting block (26), wherein an elastic pressure head (28) is provided in the movable groove (27).

8. The sheet metal bending device for trolley processing according to claim 1, characterized in that: A first material blocking cylinder (29) and a second material blocking cylinder (30) are respectively provided on both sides of the double-head slide cylinder (11); the first material blocking cylinder (29) is arranged above the conveyor belt (4) and is fixedly connected to the mounting plate (8), wherein the top end of the piston rod of the first material blocking cylinder (29) is fixedly connected to the first material blocking plate (31); the second material blocking cylinder (30) is fixedly connected to the workbench (1) through the mounting plate (32), wherein the top end of the piston rod of the second material blocking cylinder (30) is connected to the second material blocking plate (33).

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