Hole opening device for wiring terminal machining

Abstract

The utility model discloses a trepanning device for wiring terminal processing, which relates to the technical field of wiring terminal processing, and comprises a workbench, the top of the workbench is fixedly connected with a support plate, the side surface of the support plate is fixedly connected with a cover plate, and the top of the workbench is provided with a trepanning device. According to the utility model, through the mutual cooperation among the electric telescopic rod, the drill bit, the hydraulic cylinder and other components of the trepanning device, the fixing effect of the trepanning device during the processing of the wiring terminal is realized, and the effect of automatic resetting to wait for the next wiring terminal after the completion of the work and repeated work is also realized. And through mutual cooperation of components such as a rack, a gear and a driving shaft of the moving device, the effect of reducing manual labor force is finally achieved, and the effects of preventing misoperation of workers and being safer are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wiring terminal processing, in particular to a hole opening device for wiring terminal processing. Background Art

[0002] With the development of the electronics industry, as an accessory product for achieving electrical connection, terminal blocks are used in a wider range of applications and in more and more types. Generally, terminal blocks are composed of an insulating shell and a metal wiring body arranged in the insulating shell. When producing terminal blocks, it is necessary to drill holes in the insulating shell.

[0003] According to a disclosed hole punching device for processing a terminal block (publication number: CN 216563968U): it comprises a rotating table and a hole punching machine arranged above the rotating table, a connecting table is arranged on the surface of the rotating table, a rotating shaft driven by a driving mechanism is fixedly connected to the inner cavity of the rotating table, a station slot is arranged on the surface of the rotating table, and a moving table is movably connected to the surface of the station slot;

[0004] In the above application, the inner cavity of the rotating table is fixedly connected to a rotating shaft driven by a driving mechanism, and a work station groove is opened on the surface of the rotating table. When the hole opening device is working, the terminal block may slide out through the entrance of the work station groove, thereby failing to achieve a safer fixing effect. After the work is completed, the position needs to be adjusted manually so that the next terminal block can be processed, which needs to be improved. Utility Model Content

[0005] The utility model aims to provide a hole-opening device for processing wiring terminals, wherein the electric telescopic rod, a drill bit, a hydraulic cylinder and other components of the hole-opening device cooperate with each other to achieve the effect that the hydraulic stress-bearing rod is retracted into the hydraulic cylinder under pressure, and the hydraulic rod extends outwards while the hydraulic stress-bearing rod retracts, and the hydraulic rod extends outwards to drive the pressure plate to press outwards to fix the wiring terminals, and when the drill bit processing is completed, the electric telescopic rod retracts upwards, and at this time the hydraulic rod resets the pressure plate through the elasticity of the first reset spring, so that the design not only achieves the fixing effect of the hole-opening device when processing the wiring terminals, but also achieves the effect of automatically resetting after the work is completed to wait for the next wiring terminal, and repeating the work, thereby solving the existing problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a hole-opening device for processing a wiring terminal, comprising a workbench, the top of the workbench is fixedly connected with a support plate, and the side of the support plate is fixedly connected with a cover plate;

[0008] A hole opening device is provided on the top of the workbench, and the hole opening device includes an electric telescopic rod, the top of the electric telescopic rod is fixedly connected to the bottom of the cover plate, the output end of the electric telescopic rod is fixedly connected to a fixing plate, the bottom of the fixing plate is fixedly connected to a connecting tube, the interior of the connecting tube is slidably connected to a drill bit, and the top of the workbench is fixedly connected to a hydraulic cylinder, one end of the hydraulic cylinder is slidably connected to a hydraulic force rod through a piston, the other end of the hydraulic cylinder is slidably connected to a hydraulic rod through another piston, and one end of the hydraulic rod is fixedly connected to a pressure plate.

[0009] Furthermore, a first return spring is fixedly connected to the side of the hydraulic cylinder, one end of the first return spring is fixedly connected to the side of the pressure plate, and the side of the pressure plate is elastically connected to the side of the hydraulic cylinder through the first return spring. The purpose of the elastic connection between the side of the pressure plate and the side of the hydraulic cylinder through the first return spring is that when the electric telescopic rod retracts upward and the hydraulic force rod is not subjected to the pressure of the fixed plate, the first return spring elastically drives the pressure plate to reset.

[0010] Furthermore, a pin hole is provided on the circumferential surface of the connecting tube, and a cylindrical pin is slidably connected inside the pin hole. The function of the cylindrical pin being slidably connected inside the pin hole is to fix the drill bit in the connecting tube, and drill bits of different sizes can also be replaced by plugging and unplugging the cylindrical pin to achieve the effect of opening holes of various sizes.

[0011] Furthermore, the hydraulic force rod is directly below the fixed plate, and the top of the hydraulic force rod is located on the displacement track of the fixed plate. The number of the hydraulic cylinder, the hydraulic force rod, the hydraulic rod, the pressure plate and the first return spring is set to two, and they are symmetrical along the vertical center axis of the drill bit. The top of the hydraulic force rod is located on the displacement track of the fixed plate so that when the electric telescopic rod is extended downward, the fixed plate can hit the top of the hydraulic force rod during the downward movement. The number of the hydraulic cylinder, the hydraulic force rod, the hydraulic rod, the pressure plate and the first return spring is set to two, and they are symmetrical along the vertical center axis of the drill bit so as to achieve the effect of the wiring terminal entering under the drill bit and performing bidirectional clamping by two hydraulic cylinders.

[0012] Furthermore, a moving device is provided on the side of the workbench, and the moving device includes a connecting block, the side of the connecting block is fixedly connected to the side of the fixing plate, the side of the connecting block is fixedly connected to a rack, the side of the supporting plate is rotatably connected to a driving shaft, the circumferential surface of the driving shaft is fixedly connected to a gear, the circumferential surface of the driving shaft is provided with a first belt groove, the side of the supporting plate is rotatably connected to a driven shaft, the circumferential surface of the driven shaft is provided with a second belt groove, the interior of the first belt groove is rotatably connected to a belt, one end of the belt is rotatably connected to the interior of the second belt groove The driven shaft is dynamically connected, the circumferential surface of the driven shaft is fixedly connected with the driving bevel gear, the side of the workbench is rotatably connected with the transmission shaft, the circumferential surface of the transmission shaft is fixedly connected with the driven bevel gear, one end of the transmission shaft is fixedly connected with a fixing rod, one end of the fixing rod is fixedly connected with a connecting rod, the circumferential surface of the transmission shaft is rotatably connected with a conveyor belt, the side of the support plate is fixedly connected with an air pressure bin, and a moving device is provided on the side of the workbench to allow the wiring terminals to enter the opening device through the transmission of the conveyor belt, thereby reducing the effect of manual labor.

[0013] Furthermore, one end of the L-shaped pneumatic chamber is slidably connected to a pneumatic force rod through a piston, and the other end of the L-shaped pneumatic chamber is slidably connected to a pneumatic rod through another piston, one end of the pneumatic rod is fixedly connected to a push plate, and the side of the L-shaped pneumatic chamber is fixedly connected to a second return spring, one end of the second return spring is fixedly connected to the side of the push plate, and the side of the push plate is elastically connected to the side of the L-shaped pneumatic chamber through the second return spring, and the side of the workbench is fixedly connected to a limiting plate. The side of the push plate is elastically connected to the side of the L-shaped pneumatic chamber through the second return spring. The effect of the push plate being reset by the elasticity of the second return spring when the push plate pushes the previous terminal. This design is beneficial to the next terminal being pushed after the first terminal is pushed and automatically reset, thereby achieving the effect of indirectly pushing the terminal.

[0014] Furthermore, the number of the transmission shaft, the fixing rod and the limit plate is set to two, and they are symmetrical with each other along the vertical center axis of the workbench, the side surface of the rack and the circumferential surface of the gear are meshed with each other, and the circumferential surface of the active bevel gear and the side surface of the driven bevel gear are meshed with each other, and the effect of the mutual meshing of the side surface of the rack and the circumferential surface of the gear is that the gear can be driven to rotate during the movement of the rack, and the effect of the mutual meshing of the circumferential surface of the active bevel gear and the side surface of the driven bevel gear is that the active bevel gear rotates and drives the driven bevel gear to rotate at the same time, thereby achieving the effect of mutual transmission.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model achieves the goal that the hydraulic force rod is retracted into the hydraulic cylinder under pressure through the mutual cooperation between the electric telescopic rod, drill bit and hydraulic cylinder of the hole opening device, and the hydraulic force rod retracts while the hydraulic rod extends outward, and the hydraulic rod extends outward to drive the pressure plate to press outward to fix the terminal. When the drill bit processing is completed, the electric telescopic rod retracts upward, and the hydraulic rod resets the pressure plate through the elasticity of the first reset spring. This design not only achieves the fixing effect of the hole opening device when processing the terminal, but also achieves the effect of automatically resetting after the work is completed to wait for the next terminal, and repeating the work.

[0017] 2. The utility model starts the moving device through the electric telescopic rod in the hole opening device, and finally achieves the clockwise rotation of the conveyor belt through the mutual cooperation between the rack, gear and driving shaft of the moving device, so that the terminal on the conveyor belt moves from left to right. When the terminal is pushed into the specified position, the pneumatic force rod is not subject to pressure. At this time, the pneumatic rod is reset by the second reset spring. In order to prevent the terminal from falling off the workbench during the movement, a limit plate is installed on the top of the workbench. This design not only achieves the effect of reducing manual labor, but also prevents the staff from operating incorrectly, and has a safer effect.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the three-dimensional appearance of the utility model from the first perspective;

[0021] Figure 2 This is a schematic structural diagram of the three-dimensional appearance of the first-view mobile device of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the three-dimensional appearance of the utility model from a second viewing angle;

[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional enlarged structure of A in the middle;

[0024] Figure 5 For this utility model Figure 3 Schematic diagram of the three-dimensional enlarged structure of B.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Workbench; 2. Support plate; 3. Cover plate; 4. Opening device; 41. Electric telescopic rod; 42. Fixed plate; 43. Connecting tube; 44. Drill bit; 45. Hydraulic cylinder; 46. Hydraulic force rod; 47. Hydraulic rod; 48. Pressing plate; 49. First return spring; 410. Pin hole; 411. Cylindrical pin; 5. Moving device; 51. Connecting block; 52. Rack; 53. Active shaft; 54. Gear; 55. First belt groove; 56. Driven shaft; 57. Second belt groove; 58. Belt; 59. Active bevel gear; 510. Transmission shaft; 511. Driven bevel gear; 512. Fixed rod; 513. Connecting rod; 514. Conveyor belt; 515. L-type pneumatic warehouse; 516. Pneumatic force rod; 517. Pneumatic rod; 518. Push plate; 519. Second return spring; 520. Limit plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model is a hole-opening device for processing a terminal block, comprising a workbench 1, a support plate 2 is fixedly connected to the top of the workbench 1, and a cover plate 3 is fixedly connected to the side of the support plate 2;

[0029] A hole opening device 4 is provided on the top of the workbench 1, and the hole opening device 4 includes an electric telescopic rod 41, the top of the electric telescopic rod 41 is fixedly connected to the bottom of the cover plate 3, the output end of the electric telescopic rod 41 is fixedly connected to a fixed plate 42, the bottom of the fixed plate 42 is fixedly connected to a connecting tube 43, the inside of the connecting tube 43 is slidably connected to a drill bit 44, and a hydraulic cylinder 45 is fixedly connected to the top of the workbench 1, one end of the hydraulic cylinder 45 is slidably connected to a hydraulic force rod 46 through a piston, the other end of the hydraulic cylinder 45 is slidably connected to a hydraulic rod 47 through another piston, and one end of the hydraulic rod 47 is fixedly connected to a pressure plate 48.

[0030] A first return spring 49 is fixedly connected to the side of the hydraulic cylinder 45, one end of the first return spring 49 is fixedly connected to the side of the pressure plate 48, and the side of the pressure plate 48 is elastically connected to the side of the hydraulic cylinder 45 through the first return spring 49. The purpose of the elastic connection between the side of the pressure plate 48 and the side of the hydraulic cylinder 45 through the first return spring 49 is that when the electric telescopic rod 41 retracts upward and the hydraulic force rod 46 is not subjected to the pressure of the fixed plate 42, the first return spring 49 elastically drives the pressure plate 48 to reset.

[0031] A pin hole 410 is provided on the circumferential surface of the connecting tube 43, and a cylindrical pin 411 is slidably connected inside the pin hole 410. The function of the cylindrical pin 411 slidably connected inside the pin hole 410 is to fix the drill bit 44 in the connecting tube 43. The drill bits 44 of different sizes can also be replaced by plugging and unplugging the cylindrical pin 411 to achieve the effect of opening holes of various sizes.

[0032] The hydraulic force rod 46 is directly below the fixed plate 42, and the top of the hydraulic force rod 46 is located on the displacement trajectory of the fixed plate 42. The number of the hydraulic cylinder 45, the hydraulic force rod 46, the hydraulic rod 47, the pressure plate 48 and the first return spring 49 is set to two, and they are symmetrical along the vertical center axis of the drill bit 44. The top of the hydraulic force rod 46 is located on the displacement trajectory of the fixed plate 42 so that when the electric telescopic rod 41 extends downward, the fixed plate 42 can hit the top of the hydraulic force rod 46 during the downward movement. The number of the hydraulic cylinder 45, the hydraulic force rod 46, the hydraulic rod 47, the pressure plate 48 and the first return spring 49 is set to two, and they are symmetrical along the vertical center axis of the drill bit 44 so that the wiring terminal enters the bottom of the drill bit 44 and is clamped in both directions by two hydraulic cylinders 45.

[0033] A moving device 5 is provided on the side of the workbench 1, and the moving device 5 includes a connecting block 51, a side of the connecting block 51 is fixedly connected to the side of the fixed plate 42, a rack 52 is fixedly connected to the side of the connecting block 51, a driving shaft 53 is rotatably connected to the side of the support plate 2, a gear 54 is fixedly connected to the circumferential surface of the driving shaft 53, a first belt groove 55 is provided on the circumferential surface of the driving shaft 53, a driven shaft 56 is rotatably connected to the side of the support plate 2, a second belt groove 57 is provided on the circumferential surface of the driven shaft 56, a belt 58 is rotatably connected inside the first belt groove 55, one end of the belt 58 is rotatably connected to the inside of the second belt groove 57, and the driven shaft 5 The circumferential surface of 6 is fixedly connected with a driving bevel gear 59, the side of the workbench 1 is rotatably connected with a transmission shaft 510, the circumferential surface of the transmission shaft 510 is fixedly connected with a driven bevel gear 511, one end of the transmission shaft 510 is fixedly connected with a fixing rod 512, one end of the fixing rod 512 is fixedly connected with a connecting rod 513, the circumferential surface of the transmission shaft 510 is rotatably connected with a conveyor belt 514, the side of the support plate 2 is fixedly connected with an L-shaped air pressure bin 515, and the side of the workbench 1 is provided with a moving device 5, the function of which is to allow the wiring terminals to enter the hole opening device 4 through the transmission of the conveyor belt 514, thereby reducing the effect of manual labor.

[0034] One end of the L-shaped pneumatic chamber 515 is slidably connected to a pneumatic force-bearing rod 516 through a piston, and the other end of the L-shaped pneumatic chamber 515 is slidably connected to a pneumatic rod 517 through another piston, one end of the pneumatic rod 517 is fixedly connected to a push plate 518, and a second return spring 519 is fixedly connected to the side of the L-shaped pneumatic chamber 515, one end of the second return spring 519 is fixedly connected to the side of the push plate 518, and the side of the push plate 518 is elastically connected to the side of the L-shaped pneumatic chamber 515 through the second return spring 519. The side of the workbench 1 is fixedly connected to a limiting plate 520, and the side of the push plate 518 is elastically connected to the side of the L-shaped pneumatic chamber 515 through the second return spring 519. When the push plate 518 pushes the previous terminal, the elasticity of the second return spring 519 resets the push plate 518. This design is beneficial for pushing the first terminal after automatic reset, and then continuing to push the next terminal, thereby achieving the effect of indirectly pushing the terminal.

[0035] The number of transmission shafts 510, fixing rods 512 and limiting plates 520 is set to two, and they are symmetrical with each other along the vertical center axis of the workbench 1. The side surface of the rack 52 is meshed with the circumferential surface of the gear 54, and the circumferential surface of the active bevel gear 59 is meshed with the side surface of the driven bevel gear 511. The effect of the mutual meshing of the side surface of the rack 52 and the circumferential surface of the gear 54 is that the gear 54 can be driven to rotate during the movement of the rack 52. The effect of the mutual meshing of the circumferential surface of the active bevel gear 59 and the side surface of the driven bevel gear 511 is that the rotation of the active bevel gear 59 drives the driven bevel gear 511 to rotate at the same time, thereby achieving the effect of mutual transmission.

[0036] A specific application of this embodiment is: when the terminal block needs to be processed, firstly, the size of the drill bit 44 is changed by pulling out the cylindrical pin 411 according to the specifications of the terminal block to be processed, and then the electric telescopic rod 41 of the hole opening device 4 is started. After starting, the electric telescopic rod 41 moves downward, and the electric telescopic rod 41 moves downward to drive the fixed plate 42 to move downward. The fixed plate 42 moves downward and drives the drill bit 44 to work downward. The fixed plate 42 moves downward to squeeze the hydraulic force rods 46 on both sides of the fixed plate 42 at the same time. The hydraulic force rods 46 Under pressure, it retracts into the hydraulic cylinder 45. While the hydraulic force rod 46 retracts, the hydraulic rod 47 extends outward. The hydraulic rod 47 extends outward and drives the pressure plate 48 to press outward to fix the terminal. When the drill bit 44 is processed, the electric telescopic rod 41 retracts upward, and the fixing plate 42 leaves the hydraulic force rod 46. When the hydraulic force rod 46 is not under pressure, the hydraulic rod 47 resets the pressure plate 48 through the elasticity of the first reset spring 49. This design is conducive to preventing the terminal from moving around when the drill bit 44 is working, so that the drilling requirements cannot be met.

[0037] In order to reduce manual labor, the mobile device 5 is used to realize the automatic movement of the terminal block. The electric telescopic rod 41 moves downward, and the electric telescopic rod 41 moves downward, driving the fixed plate 42 to move downward. The fixed plate 42 moves downward, driving the connecting block 51 to move downward, and at the same time drives the rack 52 to move downward. The rack 52 moves downward and drives the gear 54 to rotate counterclockwise through the meshing with the gear 54. The counterclockwise rotation of the gear 54 drives the driving shaft 53 to rotate counterclockwise. The driving shaft 53 rotates counterclockwise through the first belt groove 55 to drive the belt 58 to rotate counterclockwise. The belt 58 rotates counterclockwise through the second belt groove 57 to drive the driven shaft 56 to rotate counterclockwise. The driven shaft 56 rotates counterclockwise to drive the driving bevel gear 59 to rotate counterclockwise. The driving bevel gear 59 rotates counterclockwise and drives the driven bevel gear 511 to rotate clockwise through the meshing with the driven bevel gear 511. The driven bevel gear 511 rotates clockwise and drives the transmission shaft 51 0 clockwise transmission, the transmission shaft 510 clockwise transmission drives another transmission shaft 510 to rotate clockwise through the eccentric fixed rod 512 and the connecting rod 513, and at the same time drives the conveyor belt 514 to rotate clockwise, so that the terminal on the conveyor belt 514 moves to the left or right. When the terminal moves to the pneumatic force rod 516, the pneumatic force rod 516 is squeezed to retract into the L-shaped pneumatic chamber 515. At the same time, the pneumatic rod 517 extends forward, and the pneumatic rod 517 extends forward to drive the push plate 518 to push the terminal forward. When the terminal is pushed into the specified position, the pneumatic force rod 516 is not subjected to pressure. At this time, the pneumatic rod 517 is reset by the second reset spring 519. In order to prevent the terminal from falling off the workbench 1 during the movement, a limit plate 520 is installed on the top of the workbench 1. This design is conducive to realizing automatic transportation of the terminal through the moving device 5, thereby reducing the effect of manual labor.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hole-making device for processing a terminal block, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a support plate (2), and the side of the support plate (2) is fixedly connected to a cover plate (3); A hole-opening device (4) is provided on the top of the workbench (1), and the hole-opening device (4) comprises an electric telescopic rod (41), the top of the electric telescopic rod (41) is fixedly connected to the bottom of the cover plate (3), the output end of the electric telescopic rod (41) is fixedly connected to a fixing plate (42), the bottom of the fixing plate (42) is fixedly connected to a connecting cylinder (43), the interior of the connecting cylinder (43) is slidably connected to a drill bit (44), the top of the workbench (1) is fixedly connected to a hydraulic cylinder (45), one end of the hydraulic cylinder (45) is slidably connected to a hydraulic force-bearing rod (46) via a piston, the other end of the hydraulic cylinder (45) is slidably connected to a hydraulic rod (47) via another piston, and one end of the hydraulic rod (47) is fixedly connected to a pressing plate (48).

2. A hole-opening device for processing a terminal block according to claim 1, characterized in that: A first return spring (49) is fixedly connected to the side of the hydraulic cylinder (45), one end of the first return spring (49) is fixedly connected to the side of the pressure plate (48), and the side of the pressure plate (48) is elastically connected to the side of the hydraulic cylinder (45) via the first return spring (49).

3. A hole-opening device for processing a terminal block according to claim 2, characterized in that: A pin hole (410) is formed on the circumferential surface of the connecting cylinder (43), and a cylindrical pin (411) is slidably connected inside the pin hole (410).

4. A hole-opening device for processing a terminal block according to claim 3, characterized in that: The hydraulic force rod (46) is directly below the fixed plate (42), and the top of the hydraulic force rod (46) is located on the displacement track of the fixed plate (42). The number of the hydraulic cylinder (45), the hydraulic force rod (46), the hydraulic rod (47), the pressure plate (48) and the first return spring (49) is set to two, and they are symmetrical to each other along the vertical center axis of the drill bit (44).

5. A hole-opening device for processing a terminal block according to claim 4, characterized in that: A moving device (5) is provided on the side of the workbench (1), and the moving device (5) comprises a connecting block (51), the side of the connecting block (51) is fixedly connected to the side of the fixing plate (42), the side of the connecting block (51) is fixedly connected to a rack (52), the side of the supporting plate (2) is rotatably connected to a driving shaft (53), the circumferential surface of the driving shaft (53) is fixedly connected to a gear (54), the circumferential surface of the driving shaft (53) is provided with a first belt groove (55), the side of the supporting plate (2) is rotatably connected to a driven shaft (56), the circumferential surface of the driven shaft (56) is provided with a second belt groove (57), the interior of the first belt groove (55) A belt (58) is rotatably connected, one end of the belt (58) is rotatably connected to the inside of the second belt groove (57), the circumferential surface of the driven shaft (56) is fixedly connected to a driving bevel gear (59), the side of the workbench (1) is rotatably connected to a transmission shaft (510), the circumferential surface of the transmission shaft (510) is fixedly connected to a driven bevel gear (511), one end of the transmission shaft (510) is fixedly connected to a fixing rod (512), one end of the fixing rod (512) is fixedly connected to a connecting rod (513), the circumferential surface of the transmission shaft (510) is rotatably connected to a conveyor belt (514), and the side of the support plate (2) is fixedly connected to an L-shaped air pressure bin (515).

6. The hole-opening device for processing a terminal block according to claim 5, characterized in that: One end of the L-shaped air pressure chamber (515) is slidably connected to a pneumatic force rod (516) via a piston, and the other end of the L-shaped air pressure chamber (515) is slidably connected to a pneumatic rod (517) via another piston, and one end of the pneumatic rod (517) is fixedly connected to a push plate (518), and the side of the L-shaped air pressure chamber (515) is fixedly connected to a second return spring (519), and one end of the second return spring (519) is fixedly connected to the side of the push plate (518), and the side of the push plate (518) is elastically connected to the side of the L-shaped air pressure chamber (515) via the second return spring (519), and the side of the workbench (1) is fixedly connected to a limiting plate (520).

7. The hole-opening device for processing a terminal block according to claim 6, characterized in that: The number of the transmission shaft (510), the fixing rod (512) and the limiting plate (520) is set to two, and they are symmetrical to each other along the vertical center axis of the workbench (1); the side surface of the rack (52) and the circumferential surface of the gear (54) are meshed with each other, and the circumferential surface of the driving bevel gear (59) and the side surface of the driven bevel gear (511) are meshed with each other.

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