Cable bridge punching positioning mechanism

Abstract

The utility model relates to the technical field of punching machines, in particular to a cable bridge punching positioning mechanism which can automatically adjust the position of a workpiece and automatically position the workpiece during punching, simplifies operation and is high in working efficiency. Comprising a base which is installed on a base of the punching machine. The device further comprises a plurality of first sliding blocks, a sliding table, two sliding rails and a plurality of rolling wheels, the first sliding blocks are installed on the base, the two sliding rails are arranged on the lower end face of the sliding table, the two sliding rails are arranged in parallel, the two sliding rails are slidably connected with the first sliding blocks respectively, a driving assembly for driving the sliding table to move left and right is arranged on the base, and the rolling wheels are divided into two sets. The two sets of rollers are oppositely arranged on the two sides of the center line of the sliding table, and a power assembly for driving the rollers to rotate is arranged on the sliding table.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a punching positioning mechanism for a cable tray. Background Art

[0002] The cable tray types are mainly divided into: trough type, ladder type, tray type. The cable tray needs to be punched during the processing. A variety of punching machines are proposed in the prior art, such as a cable tray processing and positioning punching machine proposed in the Chinese utility model patent with publication number CN220329746U. In order to improve the punching accuracy of the cable tray, a positioning mechanism is usually configured on the punching machine. For example, a plate limiting mechanism is disclosed in an automatic punching and forming device for a cable tray proposed in a Chinese utility model patent with publication number CN216937944U. The plate limiting mechanism includes limiting plates arranged on both sides of the top of the forming block, the top of the limiting plate is provided with an anti-drop plate bent inwardly, and a limiting slot for inserting a stamped plate is formed between the two limiting plates. One end of the two limiting plates is provided with a stop plate for limiting the top of the stamped plate, so that when the stamped plate is punched, the stamped plate is inserted into the limiting slot for limiting, and no deviation occurs during punching, so that a stamped plate with consistent distance specifications can be formed, which is convenient for subsequent assembly between stamped plates.

[0003] However, the limiting and positioning mechanism of the above-mentioned prior art cannot adjust the position of the grooved workpiece and plate of the positioned cable tray. When multiple holes need to be punched on the workpiece and the number of punches is small, it is necessary to frequently manually adjust the limiting and positioning mechanism to change the relative position of the workpiece and the punch, which results in complicated operation and low work efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a cable tray punching positioning mechanism which can automatically adjust the position of a workpiece and automatically position it during punching, simplifies operation and has high working efficiency.

[0005] The utility model discloses a punching positioning mechanism for a cable tray, comprising a base, which is mounted on the base of a punching machine; it also comprises a plurality of sliders, a slide table, two slide rails and a plurality of rollers, wherein the plurality of sliders are mounted on the base, two slide rails are arranged on the lower end surface of the slide table, the two slide rails are arranged in parallel, the two slide rails are respectively slidably connected with the plurality of sliders, a driving component for driving the slide table to move left and right is arranged on the base, the plurality of rollers are divided into two groups, the two groups of rollers are relatively arranged on both sides of the center line of the slide table, and a power component for driving the plurality of rollers to rotate is arranged on the slide table; when working, a groove-shaped workpiece is placed on the slide table, and the groove-shaped workpiece is made to move left and right. The two sides of the grooved workpiece are in frictional contact with the two groups of rollers respectively, and the power component drives the two groups of rollers to rotate synchronously relative to each other to move the grooved workpiece forward and backward, and the driving component drives the slide to slide on multiple slide blocks through two slide rails, thereby adjusting the left and right position of the slide on the base, and then moving the grooved workpiece left and right, so that the punch punches multiple holes at different positions on the grooved workpiece, and when punching, the two groups of rollers stop rotating and the slide stops moving, which can realize automatic positioning when punching the grooved workpiece, and there is no need to frequently manually adjust the relative position of the workpiece and the punch, which simplifies the operation and has high work efficiency.

[0006] Preferably, the driving assembly includes a driving beam, a screw and a motor 1, the driving beam is installed on the slide, the screw is rotatably installed on the base, the screw and the driving beam are connected through a screw nut, the motor 1 is installed on the base, and the output shaft of the motor 1 is connected to the screw; the motor 1 drives the screw to rotate, and the screw drives the slide to move left and right on the upper base through the screw nut of the driving beam. The technology is mature and can be programmed to automatically adjust the left and right position of the slide.

[0007] Preferably, it also includes a plurality of protrusions, and the bottom of the wheel surfaces of the plurality of rollers are circumferentially provided with protrusions; when the wheel surfaces of the plurality of rollers roll and press the side walls of the groove-shaped workpiece, the upper end surfaces of the plurality of protrusions support the bottom of the groove-shaped workpiece, which is beneficial to improving the efficiency of the forward and backward movement of the groove-shaped workpiece.

[0008] Preferably, a power assembly includes two mounting plates, a plurality of sliders two, two connecting rods one, an intermediate plate, two connecting rods two, two connecting rods three, a motor two, a gear one, a gear two and a plurality of transmission assemblies, the two mounting plates are slidably mounted on the two slide rails through a plurality of sliders two, the two mounting plates are symmetrically arranged along the center line of the slide, the two sets of rollers are rotatably mounted on the two mounting plates through rotating shafts, the outer ends of the two connecting rods one are respectively rotatably connected to the front ends of the two mounting plates, the inner ends of the two connecting rods one are hinged, the intermediate plate is located in the middle of the rear ends of the two mounting plates, the outer ends of the two connecting rods two are respectively rotatably connected to the rear ends of the two mounting plates, the inner ends of the two connecting rods two are rotatably connected to the rotating shafts of the rear ends of the intermediate plate, the outer ends of the two connecting rods three are respectively rotatably connected to the rotating shafts of the two rollers located at the rear of the two mounting plates, the inner ends of the two connecting rods three are rotatably connected to the rotating shafts of the front end of the intermediate plate, the connecting rod two and the connecting rod three located on the left side are arranged in parallel, and the connecting rod two and the connecting rod three located on the right side are arranged in parallel The motor 2 is installed on the middle plate, the output shaft of the motor 2 is concentrically installed with the gear 1, the gear 2 is rotatably installed on the connecting rod 3 on the left side, the gear 2 is meshed with the gear 1, the gear 2 and the multiple rollers on the left side are connected by multiple transmission components, and the output shaft of the motor 2 and the multiple rollers on the right side are connected by multiple transmission components; the two mounting plates are moved along the two slide rails to adjust the spacing between the two groups of rollers so that the two groups of rollers clamp the groove-shaped workpieces of different widths. When adjusting the two mounting plates, the two connecting rods 1, the two connecting rods 2 and the two connecting rods 3 are opened or folded. After the adjustment is completed, the multiple sliding blocks 2 are locked on the two slide rails, the motor 2 drives the gear 1 to rotate, the gear 1 meshes and drives the gear 2 to rotate, the gear 2 drives the multiple rollers on the left side to rotate through multiple transmission components, and at the same time, the output shaft of the motor 2 drives the multiple rollers on the right side to rotate synchronously in the opposite direction through multiple transmission components, so that the two groups of rollers drive the groove-shaped workpiece to move forward and backward, which has good practicality.

[0009] Preferably, it also includes a bracket, a grinding wheel and a motor three, the bracket is installed in the middle of the slide, the grinding wheel is rotatably installed on the bracket, the motor three is installed on the grinding wheel, the output shaft of the motor three is transmission connected to the grinding wheel, and the grinding wheel grinds the bottom of the workpiece; when the workpiece is punched, the two groups of rollers transport the workpiece to the outside of the slide, and the motor three drives the grinding wheel to rotate, and the grinding wheel grinds the bottom of the workpiece, thereby grinding the burrs on the bottom edge of the punching hole smooth and improving the punching quality.

[0010] Preferably, it also includes a slide, a cross bar, a code disc roller, a roller frame, a second roller, a grating ruler and a grating head. The slide is installed on the base, the cross bar is installed on the slide for horizontal sliding, the inner end of the cross bar is rotatably installed with the code disc roller, the roller frame is connected to the inner end of the cross bar, the second roller is rotatably installed on the roller frame, a gap is set between the code disc roller and the second roller, a grating ruler is set on the side wall of the cross bar, the grating head is installed on the slide, and the grating head is aligned with the grating ruler; when working, the code disc roller is aligned with the outer wall of the grooved workpiece Rolling contact, roll the roller two in contact with the inner wall of one side of the grooved workpiece, and drive the code disc roller to rotate when the grooved workpiece moves forward and backward. The forward and backward displacement of the grooved workpiece is detected by recording the rotation angle of the code disc roller. When the grooved workpiece moves left and right, the code disc roller and roller two drive the cross bar to move left and right on the slide. The grating head and grating ruler cooperate to detect the left and right displacement of the cross bar. The detected displacement value is compared and corrected with the set value of the movement of the grooved workpiece to improve the positioning accuracy.

[0011] Preferably, it also includes a sliding hole seat and a locking bolt. The sliding hole seat is installed on the inner end of the cross bar, the roller frame is slidably inserted into the sliding hole seat, and the locking bolt is rotatably screwed on the sliding hole seat, and the locking bolt locks the roller frame; after adjusting the relative position of the roller frame and the sliding hole seat, the locking bolt is tightened to lock the roller frame, thereby adjusting the spacing between the code disc roller and roller two, which is suitable for grooved workpieces with different wall thicknesses and improves versatility.

[0012] Compared with the prior art, the utility model has the following beneficial effects: during operation, the grooved workpiece is placed on the slide, and the two sides of the grooved workpiece are respectively in frictional contact with the two groups of rollers, the power component drives the two groups of rollers to rotate relatively synchronously to move the grooved workpiece forward and backward, and the driving component drives the slide to slide on multiple sliders through two slide rails, thereby adjusting the left and right position of the slide on the base, and then moving the grooved workpiece left and right, so that the punch performs multiple punchings at different positions on the grooved workpiece, and when punching, the two groups of rollers stop rotating and the slide stops moving, so that automatic positioning of the grooved workpiece when punching can be achieved, and there is no need to frequently manually adjust the relative position of the workpiece and the punch, which simplifies the operation and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0015] Figure 3 It is a schematic diagram of the structure of the roller and power assembly;

[0016] Figure 4 It is a schematic diagram of the structure of the roller and power assembly etc. viewed from above;

[0017] Figure 5 It is a schematic diagram of the structure of the middle plate, connecting rod 2, connecting rod 3 and motor 2;

[0018] Figure 6 It is a structural schematic diagram of the punching state of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the slide, crossbar, code disc roller, roller 2, grating ruler and grating head.

[0020] Markings in the attached figure: 1. base; 2. slider 1; 3. slide; 4. slide rail; 5. roller; 6. drive beam; 7. screw; 8. motor 1; 9. protrusion; 10. mounting plate; 11. slider 2; 12. connecting rod 1; 13. middle plate; 14. connecting rod 2; 15. connecting rod 3; 16. motor 2; 17. gear 1; 18. gear 2; 19. transmission assembly; 20. bracket; 21. grinding wheel; 22. motor 3; 23. slide seat; 24. cross bar; 25. code disk roller; 26. roller frame; 27. roller 2; 28. grating ruler; 29. ​​grating head; 30. slide hole seat; 31. locking bolt. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figures 1 to 6As shown, a cable tray punching positioning mechanism includes a base 1, which is installed on the base of the punching machine; it also includes multiple sliders 2, a slide 3, two slide rails 4 and multiple rollers 5, multiple sliders 2 are installed on the base 1, two slide rails 4 are arranged on the lower end surface of the slide 3, the two slide rails 4 are arranged in parallel, and the two slide rails 4 are respectively connected to the multiple sliders 2 in a sliding manner. A driving component for driving the slide 3 to move left and right is arranged on the base 1, and the multiple rollers 5 are divided into two groups. The two groups of rollers 5 are relatively arranged on both sides of the center line of the slide 3, and a power component for driving the multiple rollers 5 to rotate is arranged on the slide 3; the driving component includes a driving beam 6, a screw rod 7 and Motor 18, driving beam 6 is installed on the slide 3, screw 7 is rotatably installed on the base 1, screw 7 and driving beam 6 are connected by screw nut, motor 18 is installed on the base 1, and the output shaft of motor 18 is connected by screw 7; it also includes multiple protrusions 9, and the bottom of the wheel surface of multiple rollers 5 is circumferentially provided with protrusions 9; the power assembly includes two mounting plates 10, multiple sliders 2 11, two connecting rods 12, middle plates 13, two connecting rods 2 14, two connecting rods 3 15, motor 2 16, gear 1 17, gear 2 18 and multiple transmission assemblies 19, two mounting plates 10 are slidably mounted through multiple sliders 2 11 Installed on two slide rails 4, two mounting plates 10 are symmetrically arranged along the center line of the slide 3, two groups of rollers 5 are respectively rotatably mounted on the two mounting plates 10 through rotating shafts, the outer ends of the two connecting rods 12 are respectively rotatably connected to the front ends of the two mounting plates 10, the inner ends of the two connecting rods 12 are hinged, the middle plate 13 is located in the middle of the rear ends of the two mounting plates 10, the outer ends of the two connecting rods 2 14 are respectively rotatably connected to the rear ends of the two mounting plates 10, the inner ends of the two connecting rods 2 14 are both rotatably connected to the rotating shafts of the rear ends of the middle plate 13, and the outer ends of the two connecting rods 3 15 are respectively rotatably connected to the rotating shafts of the two rollers 5 located at the rear of the two mounting plates 10. The inner ends of the two connecting rods 3 15 are rotatably connected to the rotating shaft at the front end of the middle plate 13, the connecting rod 2 14 and the connecting rod 3 15 on the left are arranged in parallel, and the connecting rod 2 14 and the connecting rod 3 15 on the right are arranged in parallel. The motor 2 16 is installed on the middle plate 13, and the output shaft of the motor 2 16 is concentrically installed with the gear 17. The gear 2 18 is rotatably installed on the connecting rod 3 15 on the left, and the gear 2 18 is meshed with the gear 1 17. The gear 2 18 and the multiple rollers 5 on the left are connected through multiple transmission components 19, and the output shaft of the motor 2 16 and the multiple rollers 5 on the right are connected through multiple transmission components 19.

[0024] During operation, the two mounting plates 10 are moved along the two slide rails 4 to adjust the spacing between the two groups of rollers 5, so that the two groups of rollers 5 can clamp the groove-shaped workpieces of different widths. When adjusting the two mounting plates 10, the two connecting rods 12, the two connecting rods 2 14 and the two connecting rods 3 15 are opened or folded. After the adjustment is completed, the multiple sliders 2 11 are locked on the two slide rails 4, the groove-shaped workpiece is placed on the slide 3, and the two sides of the groove-shaped workpiece are respectively in friction contact with the two groups of rollers 5, and the upper end surfaces of the multiple protrusions 9 support the bottom of the groove-shaped workpiece, and the motor 2 16 drives the gear 1 17 to rotate, and the gear 1 17 meshes to drive the gear 2 18 to rotate, and the gear 2 18 drives the multiple rollers 5 on the left side to rotate through the multiple transmission components 19. The output shaft of motor 2 16 drives multiple rollers 5 on the right side to rotate synchronously in the opposite direction through multiple transmission components 19, so that the two groups of rollers 5 drive the groove-shaped workpiece to move forward and backward, and motor 1 8 drives the screw rod 7 to rotate, and the screw rod 7 drives the slide 3 to move left and right on the upper base 1 through the screw nut of the driving beam 6. The technology is mature and can be programmed to automatically adjust the left and right position of the slide 3 on the base 1, and then move the groove-shaped workpiece left and right, so that the punch can punch multiple holes at different positions on the groove-shaped workpiece, and when punching, the two groups of rollers 5 stop rotating and the slide 3 stops moving, which can realize automatic positioning when punching the groove-shaped workpiece, and there is no need to frequently manually adjust the relative position of the workpiece and the punch, which simplifies the operation and has high work efficiency.

[0025] Example 2

[0026] like Figure 1 , Figure 2 and Figure 6 As shown, on the basis of Example 1, it also includes a bracket 20, a grinding wheel 21 and a motor three 22. The bracket 20 is installed in the middle of the slide 3, the grinding wheel 21 is rotatably installed on the bracket 20, the motor three 22 is installed on the grinding wheel 21, and the output shaft of the motor three 22 is transmission-connected with the grinding wheel 21, and the grinding wheel 21 grinds the bottom of the workpiece.

[0027] When the workpiece is punched, the two groups of rollers 5 transport the workpiece to the outside of the slide 3, and the motor 3 22 drives the grinding wheel 21 to rotate. The grinding wheel 21 grinds the bottom of the workpiece, thereby smoothing the burrs on the bottom edge of the punching hole and improving the punching quality.

[0028] Example 3

[0029] like Figure 1 , Figure 6 and Figure 7As shown, on the basis of Example 1, it also includes a slide 23, a cross bar 24, a code disk roller 25, a roller frame 26, a second roller 27, a grating scale 28 and a grating head 29, the slide 23 is installed on the base 1, the cross bar 24 is horizontally slidably installed on the slide 23, the inner end of the cross bar 24 is rotatably installed with the code disk roller 25, the roller frame 26 is connected to the inner end of the cross bar 24, the second roller 27 is rotatably installed on the roller frame 26, a gap is set between the code disk roller 25 and the second roller 27, a grating scale 28 is set on the side wall of the cross bar 24, the grating head 29 is installed on the slide 23, and the grating head 29 is aligned with the grating scale 28; it also includes a sliding hole seat 30 and a locking bolt 31, the sliding hole seat 30 is installed on the inner end of the cross bar 24, the roller frame 26 is slidably inserted on the sliding hole seat 30, the locking bolt 31 is rotatably screwed on the sliding hole seat 30, and the locking bolt 31 locks the roller frame 26.

[0030] During operation, adjust the relative position of the roller frame 26 and the slide hole seat 30, then tighten the locking bolt 31 to lock the roller frame 26, so as to adjust the spacing between the code disc roller 25 and the second roller 27, which is suitable for grooved workpieces with different wall thicknesses. The code disc roller 25 is rolled in contact with the outer wall of the grooved workpiece, and the second roller 27 is rolled in contact with the inner wall of one side of the grooved workpiece. When the groove box workpiece moves forward and backward, it drives the code disc roller 25 to rotate, and the front and rear displacement of the grooved workpiece is detected by recording the rotation angle of the code disc roller 25. When the grooved workpiece moves left and right, the code disc roller 25 and the second roller 27 drive the cross bar 24 to move left and right on the slide seat 23, and the grating head 29 and the grating ruler 28 cooperate to detect the left and right displacement of the cross bar 24. The displacement value detected is compared and corrected with the set value of the movement of the grooved workpiece, so as to improve the positioning accuracy.

[0031] like Figures 1 to 7As shown, a cable tray punching positioning mechanism of the utility model, when working, first moves two mounting plates 10 along two slide rails 4, thereby adjusting the spacing between two groups of rollers 5, so that the two groups of rollers 5 can clamp the groove-shaped workpieces of different widths. When adjusting the two mounting plates 10, two connecting rods 12, two connecting rods 2 14 and two connecting rods 3 15 are opened or folded. After the adjustment is completed, multiple sliders 2 11 are locked on the two slide rails 4, and then the groove-shaped workpiece is placed on the slide 3, and the two sides of the groove-shaped workpiece are respectively in friction contact with the two groups of rollers 5, and then the motor 2 16 is driven to drive the two groups of rollers 5 to rotate relatively synchronously to clamp the groove-shaped workpiece. The part moves back and forth, and the motor 8 drives the screw rod 7 to rotate. The screw rod 7 drives the slide 3 to move left and right on the upper base 1 through the screw nut of the driving beam 6, and moves the grooved workpiece left and right, so that the punch punches multiple holes at different positions on the grooved workpiece, and the two sets of rollers 5 stop rotating during punching, and the slide 3 stops moving, so as to realize automatic positioning of the grooved workpiece during punching. Finally, the code disk roller 25 detects the front and rear displacement of the grooved workpiece, and the grating head 29 and the grating ruler 28 cooperate to detect the left and right displacement of the cross bar 24. The displacement value obtained by the detection is compared and corrected with the set value of the movement of the grooved workpiece to improve the positioning accuracy.

[0032] The main functions achieved by this utility model are:

[0033] 1. It can automatically adjust the position of the workpiece and automatically position it during punching, simplifying the operation and increasing work efficiency;

[0034] 2. Able to clamp workpieces of different widths, with good versatility;

[0035] 3. Able to grind the punching burrs and improve the punching quality;

[0036] 4. It can inspect and calibrate the punching position to improve the punching accuracy.

[0037] A cable tray punching positioning mechanism of the utility model has an installation method, a connection method or a setting method that are all common mechanical methods, and can be implemented as long as the beneficial effects can be achieved; a cable tray punching positioning mechanism of the utility model has a base 1, a slider 2, a slide rail 4, a roller 5, a screw rod 7, a motor 1 8, a slider 2 11, a motor 2 16, a gear 1 17, a gear 2 18, a transmission assembly 19, a grinding wheel 21, a motor 3 22, a code disk roller 25, a roller 2 27, a grating ruler 28, a grating head 29, and a locking bolt 31 that are purchased on the market, and technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0038] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cable tray punching and positioning mechanism, comprising a base (1), the base (1) being mounted on a base of a punching machine; characterized in that: The invention also comprises a plurality of sliders (2), a slide table (3), two slide rails (4) and a plurality of rollers (5). The plurality of sliders (2) are mounted on a base (1). Two slide rails (4) are arranged on the lower end surface of the slide table (3). The two slide rails (4) are arranged in parallel. The two slide rails (4) are respectively connected in sliding connection with the plurality of sliders (2). A driving component for driving the slide table (3) to move left and right is arranged on the base (1). The plurality of rollers (5) are divided into two groups. The two groups of rollers (5) are arranged on both sides of the center line of the slide table (3) in a relative manner. A power component for driving the plurality of rollers (5) to rotate is arranged on the slide table (3).

2. A cable tray punching and positioning mechanism as claimed in claim 1, characterized in that: The driving assembly comprises a driving beam (6), a screw rod (7) and a motor (8); the driving beam (6) is mounted on a slide (3); the screw rod (7) is rotatably mounted on a base (1); the screw rod (7) and the driving beam (6) are connected in transmission via a screw rod nut; the motor (8) is mounted on the base (1); and the output shaft of the motor (8) is connected in transmission to the screw rod (7).

3. A cable tray punching and positioning mechanism as claimed in claim 1, characterized in that: It also comprises a plurality of protrusions (9), and the bottoms of the wheel surfaces of the plurality of rollers (5) are all circumferentially provided with the protrusions (9).

4. A cable tray punching and positioning mechanism as claimed in claim 1, characterized in that: The power assembly comprises two mounting plates (10), a plurality of sliders (11), two connecting rods (12), an intermediate plate (13), two connecting rods (14), two connecting rods (15), a motor (16), a gear (17), a gear (18) and a plurality of transmission assemblies (19). The two mounting plates (10) are slidably mounted on two slide rails (4) through the plurality of sliders (11). The two mounting plates (10) are symmetrically arranged along the center line of the slide table (3). Two groups of rollers (5) are rotatably mounted on the two mounting plates (10) through rotating shafts. The outer ends of the two connecting rods (12) are rotatably connected to the front ends of the two mounting plates (10) respectively. The inner ends of the two connecting rods (12) are hinged. The intermediate plate (13) is located in the middle of the rear ends of the two mounting plates (10). The outer ends of the two connecting rods (14) are rotatably connected to the rear ends of the two mounting plates (10) respectively. The inner ends of the two connecting rods (14) are hinged to the center. The rear end of the intermediate plate (13) is rotatably connected to the rotating shaft, the outer ends of the two connecting rods (15) are respectively rotatably connected to the rotating shafts of the two rollers (5) located at the rear of the two mounting plates (10), the inner ends of the two connecting rods (15) are both rotatably connected to the rotating shaft at the front end of the intermediate plate (13), the connecting rod (14) and the connecting rod (15) located on the left are arranged in parallel, and the connecting rod (14) and the connecting rod (15) located on the right are arranged in parallel, the motor (16) is installed on the intermediate plate (13), the output shaft of the motor (16) is coaxially installed with the gear (17), the gear (18) is rotatably installed on the connecting rod (15) on the left, the gear (18) is meshed with the gear (17), the gear (18) and the plurality of rollers (5) located on the left are connected in transmission through a plurality of transmission components (19), and the output shaft of the motor (16) and the plurality of rollers (5) located on the right are connected in transmission through a plurality of transmission components (19).

5. A cable tray punching and positioning mechanism as claimed in claim 1, characterized in that: The invention also comprises a bracket (20), a grinding wheel (21) and a third motor (22), wherein the bracket (20) is mounted at the middle of the slide table (3), the grinding wheel (21) is rotatably mounted on the bracket (20), the third motor (22) is mounted on the grinding wheel (21), the output shaft of the third motor (22) is transmission-connected with the grinding wheel (21), and the grinding wheel (21) grinds the bottom of the workpiece.

6. A cable tray punching and positioning mechanism as claimed in claim 1, characterized in that: The invention also comprises a slide seat (23), a cross bar (24), a code disc roller (25), a roller frame (26), a second roller (27), a grating ruler (28) and a grating head (29), wherein the slide seat (23) is mounted on the base (1), the cross bar (24) is horizontally slidably mounted on the slide seat (23), the inner end of the cross bar (24) is rotatably mounted on the code disc roller (25), the roller frame (26) is connected to the inner end of the cross bar (24), the second roller (27) is rotatably mounted on the roller frame (26), a gap is arranged between the code disc roller (25) and the second roller (27), a grating ruler (28) is arranged on the side wall of the cross bar (24), the grating head (29) is mounted on the slide seat (23), and the grating head (29) is aligned with the grating ruler (28).

7. A cable tray punching and positioning mechanism as claimed in claim 6, characterized in that: The invention also comprises a sliding hole seat (30) and a locking bolt (31). The sliding hole seat (30) is installed on the inner end of the cross bar (24). The roller frame (26) is slidably inserted on the sliding hole seat (30). The locking bolt (31) is rotatably screwed on the sliding hole seat (30). The locking bolt (31) locks the roller frame (26).

Images