Connector pin bending equipment

Abstract

The invention relates to the technical field of bending equipment, and discloses connector pin bending equipment which comprises a working platform and a main shaft, the main shaft is arranged at the bottom of the working platform, a first bevel gear is fixed to one side of the outer wall of the main shaft, a transmission shaft is arranged on one side of the bottom of the working platform, and an eccentric plate is arranged at the other end of the transmission shaft; by adjusting the position of the positioning shaft in the strip-shaped groove, when the length of the connecting arm relative to the eccentric plate and the positioning shaft is close to one side of the connecting block, the relative length of the connecting arm is small, the swing amplitude of the connecting arm is small, the length of the guide column moving left and right is small, and the guide column can move left and right conveniently. And on the contrary, when the positioning shaft is far away from one side of the connecting block, the swing amplitude of the connecting arm is large, so that the fixed-distance conveying distance of the pin connector is increased, and the pin bending device is suitable for pin bending of connectors with different types of pin distances.

Description

Technical Field

[0001] The present invention relates to the technical field of bending equipment, and in particular to a connector pin bending equipment. Background Art

[0002] Connector pins, as a key component on a circuit board or connector, are pins made of metal that are used to insert, connect and fix electronic components. In electronic devices, especially small devices such as mobile phones and tablets, the space on the circuit board is very limited. By bending the pins, the space on the circuit board can be effectively saved, making the device more compact and lightweight.

[0003] For example, the existing Chinese patent (CN211579168U) discloses an automatic bending mechanism for connector pins, including a box body, the front surface of the box body is fixedly connected to a mounting panel, the right side of the back surface of the mounting panel is fixedly connected to a motor, and the output shaft of the motor passes through the front side of the mounting panel and is fixedly connected to a drive disk. The utility model drives the motor through a 90° matching bevel gear transmission, so that the crank rocker mechanism drives the connector transmission mechanism to transport the workpiece to the pin insertion mechanism, and the pin bending mechanism is upward, which can effectively reduce the scrap rate and improve the product quality. The automatic bending mechanism for connector pins solves the problem that the existing technology is difficult to grasp the force when bending, resulting in poor product consistency and easy scrap. The existing mechanism has separate functional stations, which makes it impossible to ensure that the force applied each time is the same, and there are still defects in product consistency, and the productivity of good products cannot be significantly improved.

[0004] In the above technical solution, step-by-step feeding is performed through a crank remote sensing mechanism, etc., but the spacing between the pins varies depending on the connector type, application requirements and design standards. The feeding spacing of the feeding mechanism used in the above technical solution is fixed, and it is difficult to adjust the step-by-step feeding distance according to the different spacings of the connector pins, and it is difficult to adapt to the bending of connector pins of different models. Summary of the invention

[0005] The object of the present invention is to provide a connector pin bending device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a connector pin bending device, comprising: a working platform and a main shaft, the working platform is provided with a main shaft at the bottom, a first bevel gear is fixed on one side of the outer wall of the main shaft, a transmission shaft is provided on one side of the bottom of the working platform, one end of the transmission shaft is provided with a second bevel gear, the first bevel gear cooperates with the second bevel gear, an eccentric plate is provided on the other end of the transmission shaft, a positioning shaft is rotatably provided at the middle part of the eccentric plate, a connecting arm is provided on the outer side of the positioning shaft, a strip groove is provided inside the connecting arm and located on the outer side of the positioning shaft, a threaded hole is provided on the top of the strip groove, there are multiple threaded holes, a locking screw is provided inside one of the threaded holes, and the bottom end of the locking screw abuts against the outer wall of the positioning shaft, a guide sleeve is fixed on one side of the working platform, a guide column is provided inside the guide sleeve, a connecting block is fixed on one end of the guide column and a serrated push rod is provided on the other end, a lifting mechanism is provided on one side of the bottom of the working platform, and a bending knife is provided on the top of the lifting mechanism.

[0007] As a further description of the present invention, the lifting mechanism includes a slide rail, a lifting plate is slidably provided inside the slide rail, a bending knife holder is provided at the top of the lifting plate, and the bending knife is fixed on the bending knife holder.

[0008] As a further explanation of the present invention, an eccentric swing arm is provided on one side of the outer wall of the main shaft, a bearing seat is provided on one side of the bottom of the working platform, a connecting shaft is rotatably provided inside the bearing seat, a first fixed arm is fixed to one end of the connecting shaft, and a second fixed arm is fixed to the other end, one end of the first fixed arm is rotatably connected to one end of the eccentric swing arm, one end of the second fixed arm is rotatably provided with a roller, a U-shaped seat is fixed on one side of the lifting plate, and one end of the roller is located inside the U-shaped seat.

[0009] As a further explanation of the present invention, a slide plate is fixed at one end of the guide column, a fixed rod is fixed at one side of the slide plate, an elastic claw is provided at one end of the fixed rod, the bottom end of the elastic claw is in contact with the serrated push rod, a slide groove is provided on one side of the top of the working platform, the slide groove is located on the outside of the fixed rod, a roller is provided on one side of the slide plate, and the outer wall of the roller is in contact with the outer wall of the slide groove.

[0010] As a further explanation of the present invention, a first positioning bar and a second positioning bar are provided on one side of the working platform, a pin connector is provided between the first positioning bar and the second positioning bar, a connecting plate is provided on one side of the top surface of the slide groove, an upper limit plate is provided at the bottom of the connecting plate, and the upper limit plate is located above the pin connector.

[0011] As a further explanation of the present invention, a T-slot is provided on the top surface of the working platform below the sawtooth push rod, a T-block is provided at the center of the bottom of the sawtooth push rod, and the sawtooth push rod can slide on the T-slot through the guidance of the T-block.

[0012] As a further explanation of the present invention, a motor bracket is provided on one side of the working platform, a driving motor is provided at the bottom of the motor bracket, and one end of the driving motor output shaft is fixedly connected to one end of the main shaft.

[0013] As a further explanation of the present invention, the top surface of the sawtooth push rod is provided with a plurality of triangular sawtooth blocks, one end of the elastic push claw is clamped between two adjacent sawtooth blocks, and the elastic push claw and the fixed rod are connected through a torsion spring shaft.

[0014] As a further description of the present invention, one end of the eccentric swing arm is eccentrically connected to the main shaft, and the eccentric swing arm swings up and down under the drive of the main shaft.

[0015] As a further illustration of the present invention, the roller can roll inside the U-shaped seat.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes that when the connector pin bending device is used, the main shaft is driven to rotate by the driving motor, the transmission shaft is driven to rotate by the meshing of the first bevel gear and the second bevel gear, and the connecting arm is driven to swing by the eccentric plate on the transmission shaft. The swing of the connecting arm drives the guide column to perform left and right translational reciprocating motion under the guidance of the guide sleeve, thereby realizing the left and right translational reciprocating motion of the fixed rod and the elastic claw. When the elastic claw moves forward, it pushes the sawtooth push rod to move forward a certain distance. When the elastic claw is pulled back, the sawtooth push rod remains motionless under the friction between the T-block and the T-slot, and the elastic claw pulls back by itself, so that the sawtooth push rod is pushed forward at a fixed distance by reciprocating motion, thereby realizing the fixed-distance feeding of the pin connector. When the main shaft rotates, it drives the eccentric swing arm to swing up and down, and through the rotation connection of the first fixed arm, it drives the connecting shaft to rotate clockwise and counterclockwise at a small angle, and drives the roller to swing up and down through the second fixed arm. Since the roller is in the U-shaped seat, the roller drives the U-shaped seat to move up and down, and the roller will also produce a small displacement in the U-shaped seat, thereby driving the bending knife to move up and down to achieve the bending of the pin; When switching between products of pin connectors with different pitches, the position of the positioning shaft in the strip groove is adjusted, thereby adjusting the length of the connecting arm relative to the eccentric plate. When the positioning shaft is close to one side of the connecting block, the relative length of the connecting arm is short and the swing amplitude is small, so that the length of the left and right movement of the guide column is small, thereby reducing the fixed-pitch conveying distance of the pin connector. Conversely, when the positioning shaft is away from one side of the connecting block, the swing amplitude of the connecting arm is large, thereby increasing the fixed-pitch conveying distance of the pin connector, which is suitable for bending connector pins with different pin pitches.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a connector pin bending device according to the present invention; Figure 2 for Figure 1 The enlarged structural diagram at A in the middle; Figure 3 for Figure 1 The enlarged structural diagram at B in the middle; Figure 4 A stereoscopic diagram of a connector pin bending device of the present invention from another perspective; Figure 5 for Figure 4 The enlarged structural diagram at C in the middle; Figure 6 This is a front view of a connector pin bending device of the present invention; Figure 7 A top view of a connector pin bending device according to the present invention; Figure 8 A bottom-up structural stereogram of a connector pin bending device according to the present invention; Fig. 9 for Figure 8 The enlarged structural diagram at D in the middle; Fig.10 This is a bottom-up structural stereogram of a connector pin bending device of the present invention from another perspective.

[0019] In the figure: 1. working platform; 2. driving motor; 3. main shaft; 4. first bevel gear; 5. transmission shaft; 6. second bevel gear; 7. eccentric plate; 8. connecting arm; 9. connecting block; 10. guide column; 11. guide sleeve; 12. slide plate; 13. roller; 14. slide groove; 15. fixing rod; 16. elastic push claw; 17. sawtooth push rod; 18. eccentric swing arm; 19. first fixed arm; 20. connecting shaft; 21. second fixed arm; 22. bearing seat; 23. roller; 24. U-shaped seat; 25. lifting plate; 26. bending knife holder; 27. slide rail; 28. bending knife; 29. ​​connecting plate; 30. upper limit plate; 31. pin connector; 32. first positioning strip; 33. second positioning strip; 34. strip groove; 35. positioning shaft; 36. threaded hole; 37. locking screw; 38. T-slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Example 1: Please refer to Figure 1-Figure 5The present invention provides a technical solution: a connector pin bending device, comprising: a working platform 1 and a main shaft 3, the working platform 1 is provided with a main shaft 3 at the bottom, a first bevel gear 4 is fixed to one side of the outer wall of the main shaft 3, a transmission shaft 5 is provided at one side of the bottom of the working platform 1, a second bevel gear 6 is provided at one end of the transmission shaft 5, the first bevel gear 4 cooperates with the second bevel gear 6, an eccentric plate 7 is provided at the other end of the transmission shaft 5, a positioning shaft 35 is provided for rotation in the middle of the eccentric plate 7, a connecting arm 8 is provided on the outer side of the positioning shaft 35, the main shaft 3 is driven to rotate by a driving motor 2, the transmission shaft 5 is driven to rotate by the meshing of the first bevel gear 4 and the second bevel gear 6, the connecting arm 8 is driven to swing by the eccentric plate 7 on the transmission shaft 5, and the swing of the connecting arm 8 drives the guide column 10 to perform left and right translation reciprocating motion under the guidance of the guide sleeve 11; Please also read Figure 5 , a strip groove 34 is provided inside the connecting arm 8 on the outside of the positioning shaft 35, a threaded hole 36 is provided on the top of the strip groove 34, and there are multiple threaded holes 36, one of which is provided with a locking screw 37, and the bottom end of the locking screw 37 abuts against the outer wall of the positioning shaft 35. By adjusting the position of the positioning shaft 35 in the strip groove 34, the length of the connecting arm 8 relative to the eccentric plate 7 is adjusted. When the positioning shaft 35 is close to the side of the connecting block 9, the relative length of the connecting arm 8 is short and the swing amplitude is small, so that the length of the left and right movement of the guide column 10 is small, thereby reducing the fixed-distance conveying distance of the pin connector 31. On the contrary, when the positioning shaft 35 is away from the side of the connecting block 9, the swing amplitude of the connecting arm 8 is large, thereby increasing the fixed-distance conveying distance of the pin connector 31, so that it is suitable for bending connector pins with different types of pin spacings; Please also read Figure 3 A guide sleeve 11 is fixed on one side of the working platform 1, a guide column 10 is arranged inside the guide sleeve 11, a connecting block 9 is fixed on one end of the guide column 10 and a serrated push rod 17 is arranged on the other end. A lifting mechanism is arranged on one side of the bottom of the working platform 1, and a bending knife 28 is arranged on the top of the lifting mechanism.

[0022] Please also read Figure 2 , the fixed rod 15 and the elastic pusher claw 16 move back and forth in a left and right translation. When the elastic pusher claw 16 moves forward, it pushes the sawtooth push rod 17 to move forward for a certain distance. When the elastic pusher claw 16 pulls back, the sawtooth push rod 17 remains stationary under the friction between the T-block and the T-slot 38, and the elastic pusher claw 16 pulls back by itself. In this way, the sawtooth push rod 17 is pushed forward at a fixed distance, thereby realizing the fixed-distance feeding of the pin connector 31; Example 2: Please refer to Figure 1-Figure 9The present invention provides a technical solution: a connector pin bending device, comprising: a working platform 1 and a main shaft 3, the working platform 1 is provided with a main shaft 3 at the bottom, a first bevel gear 4 is fixed to one side of the outer wall of the main shaft 3, a transmission shaft 5 is provided at one side of the bottom of the working platform 1, a second bevel gear 6 is provided at one end of the transmission shaft 5, the first bevel gear 4 cooperates with the second bevel gear 6, an eccentric plate 7 is provided at the other end of the transmission shaft 5, a positioning shaft 35 is provided for rotation in the middle of the eccentric plate 7, a connecting arm 8 is provided on the outer side of the positioning shaft 35, the main shaft 3 is driven to rotate by a driving motor 2, the transmission shaft 5 is driven to rotate by the meshing of the first bevel gear 4 and the second bevel gear 6, the connecting arm 8 is driven to swing by the eccentric plate 7 on the transmission shaft 5, and the swing of the connecting arm 8 drives the guide column 10 to perform left and right translation reciprocating motion under the guidance of the guide sleeve 11; A strip groove 34 is provided inside the connecting arm 8 and outside the positioning shaft 35. A threaded hole 36 is provided at the top of the strip groove 34. There are multiple threaded holes 36, one of which is provided with a locking screw 37. The bottom end of the locking screw 37 abuts against the outer wall of the positioning shaft 35. By adjusting the position of the positioning shaft 35 in the strip groove 34, the length of the connecting arm 8 relative to the eccentric plate 7 is adjusted. When the positioning shaft 35 is close to the side of the connecting block 9, the relative length of the connecting arm 8 is short and the swing amplitude is small, so that the length of the left and right movement of the guide column 10 is small, thereby reducing the fixed-distance conveying distance of the pin connector 31. On the contrary, when the positioning shaft 35 is away from the side of the connecting block 9, the swing amplitude of the connecting arm 8 is large, thereby increasing the fixed-distance conveying distance of the pin connector 31, so that it is suitable for bending connector pins with different types of pin spacings. A guide sleeve 11 is fixed on one side of the working platform 1, a guide column 10 is arranged inside the guide sleeve 11, a connecting block 9 is fixed on one end of the guide column 10 and a serrated push rod 17 is arranged on the other end. A lifting mechanism is arranged on one side of the bottom of the working platform 1, and a bending knife 28 is arranged on the top of the lifting mechanism.

[0023] The fixed rod 15 and the elastic pusher claw 16 move back and forth in a horizontal translation. When the elastic pusher claw 16 moves forward, it pushes the sawtooth push rod 17 to move forward for a certain distance. When the elastic pusher claw 16 pulls back, the sawtooth push rod 17 remains stationary under the friction between the T-block and the T-slot 38, and the elastic pusher claw 16 pulls back by itself. In this way, the sawtooth push rod 17 is pushed forward at a fixed distance, thereby realizing the fixed-distance feeding of the pin connector 31. Please also read Figure 3 In this embodiment, the lifting mechanism includes a slide rail 27, a lifting plate 25 is slidably arranged inside the slide rail 27, a bending knife holder 26 is arranged at the top of the lifting plate 25, and a bending knife 28 is fixed on the bending knife holder 26. The lifting mechanism drives the lifting plate 25 to rise and fall, thereby driving the bending knife holder 26 and the bending knife 28 to rise and fall, and the lifting and falling of the bending knife 28 cooperates with the limiting of the pin by the upper limit plate 30 to achieve the upward bending of the pin.

[0024] Please also read Fig. 9 An eccentric swing arm 18 is provided on one side of the outer wall of the main shaft 3, a bearing seat 22 is provided on one side of the bottom of the working platform 1, a connecting shaft 20 is rotatably provided inside the bearing seat 22, a first fixed arm 19 is fixed at one end of the connecting shaft 20, and a second fixed arm 21 is fixed at the other end, one end of the first fixed arm 19 is rotatably connected to one end of the eccentric swing arm 18, and a roller 23 is rotatably provided at one end of the second fixed arm 21, a U-shaped seat 24 is fixed on one side of the lifting plate 25, and one end of the roller 23 is located inside the U-shaped seat 24. One end of the eccentric swing arm 18 is eccentrically rotatably connected to the main shaft 3, and the eccentric swing arm 18 swings up and down under the drive of the main shaft 3. The roller 23 can roll inside the U-shaped seat 24. When the main shaft 3 rotates, the eccentric swing arm 18 is driven to swing up and down, and the connecting shaft 20 is driven to rotate clockwise and counterclockwise at a small angle through the rotation connection of the first fixed arm 19, and the roller 23 is driven to swing up and down through the second fixed arm 21. Since the roller 23 is in the U-shaped seat 24, the roller 23 drives the U-shaped seat 24 to rise and fall, and the roller 23 will also produce a small displacement in the U-shaped seat 24, thereby driving the lifting plate 25, the bending knife holder 26 and the bending knife 28 to rise and fall, thereby realizing the bending of the pin.

[0025] Example 3: Please refer to Figure 1-Figure 10 The present invention provides a technical solution: a connector pin bending device. The other structures in this embodiment are the same as those in the second embodiment. A more preferred solution is: Please also read Figure 1 A slide plate 12 is fixed to one end of the guide column 10, a fixed rod 15 is fixed to one side of the slide plate 12, an elastic claw 16 is provided at one end of the fixed rod 15, and the bottom end of the elastic claw 16 is in contact with the sawtooth push rod 17. A slide groove 14 is provided on one side of the top of the working platform 1, and the slide groove 14 is located outside the fixed rod 15. A roller 13 is provided on one side of the slide plate 12, and the outer wall of the roller 13 is in contact with the outer wall of the slide groove 14. When the guide column 10 slides left and right in the guide sleeve 11, the slide plate 12 is also driven to slide left and right, and the fixed rod 15 slides in the slide groove 14. The contact between the roller 13 and the slide groove 14 can improve the stability of the slide plate 12.

[0026] Please also read Figure 3 A first positioning bar 32 and a second positioning bar 33 are provided on one side of the working platform 1, a pin connector 31 is provided between the first positioning bar 32 and the second positioning bar 33, a connecting plate 29 is provided on one side of the top surface of the slide groove 14, an upper limit plate 30 is provided at the bottom of the connecting plate 29, and the upper limit plate 30 is located above the pin connector 31.

[0027] The top surface of the working platform 1 is provided with a T-slot 38 below the sawtooth push rod 17, and a T-block is provided at the bottom center of the sawtooth push rod 17. The sawtooth push rod 17 can slide on the T-slot 38 through the guidance of the T-block. There is friction between the T-block and the T-slot 38, and this friction is greater than the elastic force of the torsion spring shaft on the elastic push claw 16, so that when the elastic push claw 16 is pulled back, the sawtooth push rod 17 cannot be moved. Only the force of the elastic push claw 16 pushing forward can overcome this friction and allow the sawtooth push rod 17 to slide on the T-slot 38. In addition, an opening groove for the T-block to enter and exit is provided at one end of the T-slot 38, so that the sawtooth push rod 17 with different spacings can be replaced according to different models of products. When the sawtooth push rod 17 has several models, the spacing of the triangular sawtooth blocks on the sawtooth push rod 17 is consistent with the spacing of the pins. When the pin connector model is replaced, not only the swing length of the connecting arm 8 is adjusted, but also the sawtooth push rod 17 with the same spacing as the pins is replaced.

[0028] A motor bracket is provided on one side of the working platform 1 , a driving motor 2 is provided at the bottom of the motor bracket, and one end of the output shaft of the driving motor 2 is fixedly connected to one end of the main shaft 3 .

[0029] The top surface of the sawtooth push rod 17 is provided with a plurality of triangular sawtooth blocks, one end of the elastic pusher 16 is stuck between two adjacent sawtooth blocks, and the elastic pusher 16 is connected to the fixed rod 15 via a torsion spring shaft. When the elastic pusher 16 moves forward, it pushes the sawtooth push rod 17 to move forward for a certain distance, and when the elastic pusher 16 pulls back, the sawtooth push rod 17 remains motionless under the friction between the T-block and the T-slot 38, and the elastic pusher 16 pulls back by itself, and the sawtooth push rod 17 is reciprocated to achieve the fixed-distance advancement, thereby achieving the fixed-distance feeding of the pin connector 31.

[0030] When the connector pin bending device is in use, the main shaft 3 is driven to rotate by the driving motor 2, and the transmission shaft 5 is driven to rotate by the meshing of the first bevel gear 4 and the second bevel gear 6, and the connecting arm 8 is driven to swing by the eccentric plate 7 on the transmission shaft 5. The swing of the connecting arm 8 will drive the guide column 10 to perform left and right translational reciprocating motion under the guidance of the guide sleeve 11, thereby realizing the left and right translational reciprocating motion of the fixed rod 15 and the elastic claw 16. When the elastic claw 16 moves forward, it will push the serrated push rod 17 to move forward a certain distance. When the elastic claw 16 is pulled back, the serrated push rod 17 remains stationary under the friction between the T-block and the T-slot 38, and the elastic claw 16 pulls back by itself, so that the serrated push rod 17 is pushed forward at a fixed distance in this reciprocating manner, thereby realizing the fixed-distance feeding of the pin connector 31; When the main shaft 3 rotates, the eccentric swing arm 18 is driven to swing up and down, and the connecting shaft 20 is driven to rotate clockwise and counterclockwise at a small angle through the rotation connection of the first fixed arm 19, and the roller 23 is driven to swing up and down through the second fixed arm 21. Since the roller 23 is in the U-shaped seat 24, the roller 23 drives the U-shaped seat 24 to move up and down, and the roller 23 also produces a small displacement in the U-shaped seat 24, thereby driving the bending knife 28 to move up and down, so as to realize the bending of the pin; When switching between products of pin connectors with different pitches, the position of the positioning shaft 35 in the strip groove 34 is adjusted, so that the length of the connecting arm 8 relative to the eccentric plate 7 is adjusted. When the positioning shaft 35 is close to one side of the connecting block 9, the relative length of the connecting arm 8 is short and the swing amplitude is small, so that the length of the left and right movement of the guide column 10 is small, thereby reducing the fixed-distance conveying distance of the pin connector 31. Conversely, when the positioning shaft 35 is away from one side of the connecting block 9, the swing amplitude of the connecting arm 8 is large, thereby increasing the fixed-distance conveying distance of the pin connector 31, so that it is suitable for bending connector pins with different models of pin pitches.

[0031] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A connector pin bending device, comprising: A working platform (1) and a main shaft (3), characterized in that: a main shaft (3) is provided at the bottom of the working platform (1), a first bevel gear (4) is fixed to one side of the outer wall of the main shaft (3), a transmission shaft (5) is provided at one side of the bottom of the working platform (1), a second bevel gear (6) is provided at one end of the transmission shaft (5), the first bevel gear (4) and the second bevel gear (6) are matched, an eccentric plate (7) is provided at the other end of the transmission shaft (5), a positioning shaft (35) is rotatably provided in the middle of the eccentric plate (7), a connecting arm (8) is provided on the outside of the positioning shaft (35), and the inside of the connecting arm (8) is located outside the positioning shaft (35). A strip groove (34) is provided on the side, a threaded hole (36) is provided on the top of the strip groove (34), there are a plurality of threaded holes (36), a locking screw (37) is provided inside one of the threaded holes (36), the bottom end of the locking screw (37) is in contact with the outer wall of the positioning shaft (35), a guide sleeve (11) is fixed on one side of the working platform (1), a guide column (10) is provided inside the guide sleeve (11), a connecting block (9) is fixed on one end of the guide column (10) and a serrated push rod (17) is provided on the other end, a lifting mechanism is provided on one side of the bottom of the working platform (1), and a bending knife (28) is provided on the top of the lifting mechanism.

2. A connector pin bending device according to claim 1, characterized in that: The lifting mechanism comprises a slide rail (27), a lifting plate (25) is slidably provided inside the slide rail (27), a bending knife holder (26) is provided at the top end of the lifting plate (25), and the bending knife (28) is fixed on the bending knife holder (26).

3. A connector pin bending device according to claim 2, characterized in that: An eccentric swing arm (18) is provided on one side of the outer wall of the main shaft (3); a bearing seat (22) is provided on one side of the bottom of the working platform (1); a connecting shaft (20) is rotatably provided inside the bearing seat (22); a first fixed arm (19) is fixed at one end of the connecting shaft (20); a second fixed arm (21) is fixed at the other end; one end of the first fixed arm (19) is rotatably connected to one end of the eccentric swing arm (18); one end of the second fixed arm (21) is rotatably provided with a roller (23); a U-shaped seat (24) is fixed on one side of the lifting plate (25); one end of the roller (23) is located inside the U-shaped seat (24).

4. A connector pin bending device according to claim 1, characterized in that: A slide plate (12) is fixed to one end of the guide column (10), a fixed rod (15) is fixed to one side of the slide plate (12), an elastic claw (16) is provided at one end of the fixed rod (15), the bottom end of the elastic claw (16) is in contact with a sawtooth push rod (17), a slide groove (14) is provided on one side of the top of the working platform (1), the slide groove (14) is located outside the fixed rod (15), a roller (13) is provided on one side of the slide plate (12), and the outer wall of the roller (13) is in contact with the outer wall of the slide groove (14).

5. A connector pin bending device according to claim 4, characterized in that: A first positioning strip (32) and a second positioning strip (33) are provided on one side of the working platform (1); a pin connector (31) is provided between the first positioning strip (32) and the second positioning strip (33); a connecting plate (29) is provided on one side of the top surface of the slide groove (14); an upper limit plate (30) is provided at the bottom of the connecting plate (29); and the upper limit plate (30) is located above the pin connector (31).

6. A connector pin bending device according to claim 4, characterized in that: A T-shaped slot (38) is provided on the top surface of the working platform (1) below the sawtooth push rod (17), and a T-shaped block is provided at the center of the bottom of the sawtooth push rod (17). The sawtooth push rod (17) can slide on the T-shaped slot (38) through the guidance of the T-shaped block.

7. A connector pin bending device according to claim 1, characterized in that: A motor bracket is provided on one side of the working platform (1), a driving motor (2) is provided at the bottom of the motor bracket, and one end of the output shaft of the driving motor (2) is fixedly connected to one end of the main shaft (3).

8. A connector pin bending device according to claim 4, characterized in that: The top surface of the sawtooth push rod (17) is provided with a plurality of triangular sawtooth blocks, one end of the elastic push claw (16) is clamped between two adjacent sawtooth blocks, and the elastic push claw (16) and the fixed rod (15) are connected via a torsion spring rotating shaft.

9. A connector pin bending device according to claim 3, characterized in that: One end of the eccentric swing arm (18) is eccentrically rotatably connected to the main shaft (3), and the eccentric swing arm (18) swings up and down under the drive of the main shaft (3).

10. A connector pin bending device according to claim 9, characterized in that: The roller (23) is capable of rolling inside the U-shaped seat (24).

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