Connector pin bending device
By designing a connector pin bending device and utilizing the coordination of clamping and rotating devices, the problems of unadjustable stamping speed and low efficiency in the prior art are solved, and continuous bending of the pins and improved efficiency are achieved.
Patent Information
- Application Number
- CN202421898276.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The existing stamping device cannot adjust the stamping speed, which causes the connector pins to break easily during the bending process. In addition, only one group of pins can be stamped at a time, resulting in low work efficiency.
A connector pin bending device is designed, which includes a workbench, a punching device, a rotating device and a clamping device. The pin is fixed by the clamping device, and the punching device and the rotating device cooperate to achieve continuous bending of the pin. The bending effect is ensured by adjusting the punching speed.
The punching speed can be adjusted easily, the pin breakage can be avoided, and the plug-in pins can be bent continuously, thereby improving work efficiency.
Smart Images
Figure CN223414428U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connector pin processing, in particular to a connector pin bending device. Background Art
[0002] Connector pins (sometimes also called connector pins or contact pieces) are one of the key components in electronic connectors, used to establish electrical connections between two circuits. They are usually made of metal and have good electrical conductivity. Common materials include copper, brass, phosphor bronze, etc. The surface is often plated with gold, silver, tin or other metals to improve conductivity and corrosion resistance.
[0003] After the connector pins are assembled, they need to be bent according to requirements. The bending of the connector pins can be achieved by a stamping die, but the stamping speed of the existing stamping device is inconvenient to adjust, which may cause the pins to break during the bending process. In addition, the existing stamping device can only stamp one group of connector pins at a time, and its working efficiency is low. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a connector pin bending device which, by setting up this equipment, not only facilitates the adjustment of the stamping speed of the stamping device to ensure the bending effect of the connector pins, but also can continuously bend the connector pins, thereby improving its working efficiency.
[0005] The utility model provides a connector pin bending device, comprising a workbench, four groups of legs, a punching device, a rotating device and three groups of clamping devices, wherein the four groups of legs are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench, the punching device is mounted on the left side of the top end of the workbench, the rotating device is mounted in the middle of the top end of the workbench, the punching device is cooperatively connected with the rotating device, and the three groups of clamping devices are evenly mounted on the top end of the rotating device, and the three groups of clamping devices correspond to the positions of the punching device.
[0006] Preferably, the stamping device includes a support frame, a lifting plate, a first motor, two groups of first screws, two groups of first telescopic rods, two groups of first telescopic tubes, two groups of pulleys, belts, a mounting plate, an upper mold, three groups of lower molds, two groups of bolts, three groups of buffer devices and three groups of fixing devices. The support frame is mounted on the left side of the top end of the workbench, the first motor is mounted on the front side of the top end of the lifting plate, the top ends of the two groups of first screws are rotatably connected to the front and rear sides of the bottom end of the lifting plate, the output end of the first motor passes through the lifting plate and is connected to the top end of the first screw on the front side, the front and rear parts of the top end of the support frame are connected and provided with threaded holes, the two groups of first screws are threadedly connected to the two groups of threaded holes of the support frame, and the bottom ends of the two groups of first screws are rotatably mounted on the mounting plate On the front and rear sides of the top, two groups of first telescopic tubes are symmetrically installed on the top of the support frame, two groups of first telescopic rods are respectively installed on the left and right sides of the bottom end of the lifting plate, the two groups of first telescopic rods are slidingly connected to the two groups of first telescopic tubes, two groups of pulleys are respectively installed on the upper part of the two groups of first screws, the two groups of pulleys are synchronously driven by belts, the upper mold is installed on the bottom end of the mounting plate through two groups of bolts, three groups of lower molds are evenly installed on the top of the rotating device, the three groups of lower molds correspond to the positions of the three groups of clamping devices, the three groups of buffer devices are respectively installed at the bottom end of the three groups of lower molds, the outer ends of the three groups of lower molds are connected and provided with long holes, the three groups of fixing devices are respectively installed on the left side of the three groups of lower molds, and the three groups of fixing devices correspond to the positions of the long holes of the three groups of lower molds.
[0007] Preferably, the rotating device includes a turntable, a first rotating shaft, a first gear, a second gear and a second motor. The turntable is installed at the top of the first rotating shaft, the first rotating shaft is rotatably installed in the middle of the workbench, the first gear is installed at the bottom of the first rotating shaft, the first gear is meshed with the second gear, the second gear is installed at the output end of the second motor, the second motor is installed at the bottom of the workbench, and three groups of lower molds and three groups of clamping devices are evenly installed on the top of the turntable.
[0008] Preferably, the clamping device includes a U-shaped frame, an electric push rod, a pressure plate, an adjusting device and a moving device. The moving device is installed at the top of the turntable, the U-shaped frame is installed on the moving device, the electric push rod is installed at the top of the U-shaped frame, the output end of the electric push rod passes through the top of the U-shaped frame and is connected to the top of the pressure plate, the adjusting device is installed at the bottom end of the U-shaped frame, and the adjusting device corresponds to the position of the pressure plate.
[0009] Preferably, the adjusting device includes an adjusting plate, a second screw, a threaded tube, a first bevel gear, a second bevel gear, a second rotating shaft and a first handwheel. The adjusting plate corresponds to the position of the pressure plate, the inner end of the adjusting plate is slidingly connected to the inner end of the U-shaped frame, the threaded tube is installed at the bottom end of the adjusting plate, the threaded tube is threadedly connected to the second screw, the second screw is rotatably installed at the bottom end of the U-shaped frame, the first bevel gear is installed at the bottom of the second screw, the first bevel gear is meshed with the second bevel gear, the second bevel gear is installed at the left end of the second rotating shaft, the second rotating shaft is rotatably installed at the lower part of the U-shaped frame, and the first handwheel is installed at the outer end of the second rotating shaft.
[0010] Preferably, the moving device includes a third motor, a third screw and a slider. A slide groove is provided at the top of the turntable. The third motor is installed at the outer end of the turntable. The third screw is rotatably installed in the slide groove of the turntable. The output end of the third motor passes through the turntable and is connected to the outer end of the third screw. The slider is slidably connected to the slide groove of the turntable. A threaded hole is provided in the middle of the slider. The slider is threadedly connected to the third screw. The slider is installed at the bottom end of the U-shaped frame.
[0011] Preferably, the fixing device includes a bidirectional screw, a second hand wheel, two groups of moving blocks and two groups of splints. An operating groove is provided on the upper side of the left end of the lower mold, and the left end of the operating groove is connected to a mounting groove. The bidirectional screw is rotatably installed in the mounting groove of the lower mold, and the top of the bidirectional screw passes through the top of the lower mold and extends to its upper side. The second hand wheel is installed at the top of the bidirectional screw. The two groups of moving blocks are respectively installed at the left ends of the two groups of splints. The middle parts of the two groups of moving blocks are connected with threaded holes, and the two groups of moving blocks are threadedly connected to the bidirectional screw.
[0012] Preferably, the buffer device includes four groups of second telescopic tubes, four groups of second telescopic rods, four groups of springs and buffer plates, the four groups of second telescopic tubes are respectively installed on the left front side, left rear side, right front side and right rear side of the bottom end of the lower mold, the four groups of second telescopic rods are respectively installed on the left front side, left rear side, right front side and right rear side of the bottom end of the buffer plate, the four groups of second telescopic rods are respectively slidably connected to the four groups of second telescopic tubes, and the four groups of springs are respectively mounted on the four groups of second telescopic rods.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the connector is fixed by the clamping device, and then the clamping device drives the pins on the connector to extend into the stamping device for fixation, and then the stamping device is opened, and the stamping device bends the pins, and then the rotating device is opened, and the rotating device drives the stamping device to rotate. When the next group of pins corresponds to the position of the stamping device, the rotating device is closed, and then the above operation is repeated to bend the pins on the connector. By setting up this equipment, not only is it convenient to adjust the stamping speed of the stamping device and ensure the bending effect of the connector pins, but the connector pins can also be bent continuously, thereby improving its work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic structural diagram of the utility model from a first perspective;
[0015] Figure 2 This is a schematic structural diagram of the second viewing angle of the present invention;
[0016] Figure 3 It is a schematic diagram of the cross-section enlarged structure of the lower mold;
[0017] Figure 4 yes Figure 1 Schematic diagram of the enlarged structure of A;
[0018] Figure 5 yes Figure 1 Schematic diagram of the enlarged structure of B;
[0019] Markings in the attached figure: 1, workbench; 2, support leg; 3, support frame; 4, lifting plate; 5, first motor; 6, first screw; 7, first telescopic rod; 8, first telescopic tube; 9, pulley; 10, belt; 11, mounting plate; 12, upper mold; 13, lower mold; 14, turntable; 15, first rotating shaft; 16, first gear; 17, second gear; 18, second motor; 19, U-shaped frame; 20, electric push rod; 21, Pressure plate; 22. Adjustment plate; 23. Second screw; 24. Threaded tube; 25. First bevel gear; 26. Second bevel gear; 27. Second rotating shaft; 28. First hand wheel; 29. Third motor; 30. Third screw; 31. Slider; 32. Bolt; 33. Bidirectional screw; 34. Second hand wheel; 35. Moving block; 36. Clamp; 37. Second telescopic tube; 38. Second telescopic rod; 39. Spring; 40. Buffer plate. DETAILED DESCRIPTION
[0020] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0021] like Figures 1 to 5 As shown, a connector pin bending device of the present invention includes a workbench 1, four sets of legs 2, a punching device, a rotating device and three sets of clamping devices. The four sets of legs 2 are respectively mounted on the left front side, left rear side, right front side and right rear side of the bottom end of the workbench 1. The punching device is mounted on the left side of the top end of the workbench 1. The rotating device is mounted in the middle of the top end of the workbench 1. The punching device and the rotating device are cooperatively connected. The three sets of clamping devices are evenly mounted on the top end of the rotating device. The three sets of clamping devices correspond to the positions of the punching device.
[0022] The connector is fixed by a clamping device, and then the clamping device drives the pins on the connector to be extended into the stamping device for fixation. After that, the stamping device is opened, and the stamping device bends the pins. Then the rotating device is opened, and the rotating device drives the stamping device to rotate. After the next group of pins correspond to the position of the stamping device, the rotating device is closed, and then the above operation is repeated to bend the pins on the connector. By setting up this equipment, it is not only convenient to adjust the stamping speed of the stamping device to ensure the bending effect of the connector pins, but also the connector pins can be bent continuously, thereby improving its work efficiency.
[0023] As a preferred embodiment of the above embodiment, the stamping device includes a support frame 3, a lifting plate 4, a first motor 5, two groups of first screws 6, two groups of first telescopic rods 7, two groups of first telescopic tubes 8, two groups of pulleys 9, a belt 10, a mounting plate 11, an upper mold 12, three groups of lower molds 13, two groups of bolts 32, three groups of buffer devices and three groups of fixing devices. The support frame 3 is installed on the left side of the top of the workbench 1, the first motor 5 is installed on the front side of the top of the lifting plate 4, and the tops of the two groups of first screws 6 are respectively rotatably connected to the front and rear sides of the bottom end of the lifting plate 4. The output end of the first motor 5 passes through the lifting plate 4 and is connected to the top of the front first screw 6. The front and rear parts of the top of the support frame 3 are connected and provided with threaded holes. The two groups of first screws 6 are threadedly connected to the two groups of threaded holes of the support frame 3, and the bottom ends of the two groups of first screws 6 are respectively rotatably installed On the front and rear sides of the top of the mounting plate 11, two groups of first telescopic tubes 8 are symmetrically mounted on the top of the support frame 3, and two groups of first telescopic rods 7 are respectively mounted on the left and right sides of the bottom end of the lifting plate 4. The two groups of first telescopic rods 7 are slidingly connected with the two groups of first telescopic tubes 8, and two groups of pulleys 9 are respectively mounted on the upper parts of the two groups of first screws 6. The two groups of pulleys 9 are synchronously driven by belts 10. The upper mold 12 is mounted on the bottom end of the mounting plate 11 through two groups of bolts 32. The three groups of lower molds 13 are evenly mounted on the top of the rotating device. The three groups of lower molds 13 correspond to the positions of the three groups of clamping devices. The three groups of buffer devices are respectively mounted on the inner bottom ends of the three groups of lower molds 13. The outer ends of the three groups of lower molds 13 are connected and provided with long holes. The three groups of fixing devices are respectively mounted on the inner left sides of the three groups of lower molds 13, and the three groups of fixing devices correspond to the positions of the long holes of the three groups of lower molds 13;
[0024] By arranging the support frame 3, the lifting plate 4, the first motor 5, the first screw 6, the first telescopic rod 7, the first telescopic tube 8, the pulley 9, the belt 10, the mounting plate 11, the upper mold 12, the lower mold 13, the bolt 32, the buffer device and the fixing device, the clamping device drives the connector to move, and the pins on the connector are fixed through the long holes on the lower mold 13 by the fixing device. Then the first motor 5 is turned on, the first motor 5 drives the front first screw 6 to rotate, the front first screw 6 drives the front pulley 9 to rotate, and the front pulley 9 drives the rear pulley 9 to rotate through the belt 10, and the two sets of pulleys 9 drive the two sets of first screws 6 to rotate, and the two sets of first screws 6 are threadedly connected to the support frame 3, and the two sets of first screws 6 drive the lifting plate 4 and the mounting plate 11 to move downward, and the two sets of first telescopic rods 7 slide on the two sets of first telescopic tubes 8, the upper mold 12 bends the pins in the lower mold 13, and the buffer device buffers the pins, thereby punching the pins.
[0025] As a preferred embodiment of the above embodiment, the rotating device includes a turntable 14, a first rotating shaft 15, a first gear 16, a second gear 17 and a second motor 18, the turntable 14 is mounted on the top of the first rotating shaft 15, the first rotating shaft 15 is rotatably mounted in the middle of the workbench 1, the first gear 16 is mounted on the bottom of the first rotating shaft 15, the first gear 16 is meshed with the second gear 17, the second gear 17 is mounted on the output end of the second motor 18, the second motor 18 is mounted on the bottom of the workbench 1, and three sets of lower molds 13 and three sets of clamping devices are evenly distributed on the top of the turntable 14;
[0026] By setting the turntable 14, the first rotating shaft 15, the first gear 16, the second gear 17 and the second motor 18, by turning on the second motor 18, the second motor 18 drives the second gear 17 to rotate, the second gear 17 is engaged with the first gear 16, and the first gear 16 drives the turntable 14 to rotate through the first rotating shaft 15. After the position of the pins in the next group of lower molds 13 corresponds to the position of the upper mold 12, the second motor 18 is turned off, which drives the connector pins to rotate, so that the upper mold 12 can continuously punch and bend multiple groups of connector pins.
[0027] As a preferred embodiment of the above, the clamping device includes a U-shaped frame 19, an electric push rod 20, a pressure plate 21, an adjusting device and a moving device. The moving device is mounted on the top of the turntable 14, the U-shaped frame 19 is mounted on the moving device, the electric push rod 20 is mounted on the top of the U-shaped frame 19, the output end of the electric push rod 20 passes through the top of the U-shaped frame 19 and is connected to the top of the pressure plate 21. The adjusting device is mounted on the bottom end of the U-shaped frame 19, and the adjusting device corresponds to the position of the pressure plate 21.
[0028] By setting a U-shaped frame 19, an electric push rod 20, a pressure plate 21, an adjusting device and a moving device, the connector is placed on the adjusting device, and then the height of the connector is adjusted by the adjusting device so that the pins on the connector are consistent in height with the long holes on the lower mold 13. Then the electric push rod 20 is turned on, and the electric push rod 20 drives the pressure plate 21 to move downward, and the pressure plate 21 fixes the connector. Then the moving device is turned on, and the moving device drives the U-shaped frame 19 to approach the lower mold 13, and the pins of the connector pass through the long holes of the lower mold 13 and are fixed by the fixing device, which plays the role of clamping and fixing the connector.
[0029] As a preferred embodiment of the above embodiment, the adjusting device includes an adjusting plate 22, a second screw 23, a threaded tube 24, a first bevel gear 25, a second bevel gear 26, a second rotating shaft 27 and a first hand wheel 28. The adjusting plate 22 corresponds to the position of the pressure plate 21. The inner end of the adjusting plate 22 is slidably connected to the inner end of the U-shaped frame 19. The threaded tube 24 is mounted on the bottom end of the adjusting plate 22. The threaded tube 24 is threadedly connected to the second screw 23. The second screw 23 is rotatably mounted on the bottom end of the U-shaped frame 19. The first bevel gear 25 is mounted on the bottom of the second screw 23. The first bevel gear 25 is meshed with the second bevel gear 26. The second bevel gear 26 is mounted on the left end of the second rotating shaft 27. The second rotating shaft 27 is rotatably mounted on the lower part of the U-shaped frame 19. The first hand wheel 28 is mounted on the outer end of the second rotating shaft 27.
[0030] By setting the adjustment plate 22, the second screw 23, the threaded tube 24, the first bevel gear 25, the second bevel gear 26, the second rotating shaft 27 and the first hand wheel 28, the connector is placed on the adjustment plate 22, and then the second rotating shaft 27 is driven to rotate by the first hand wheel 28, and the second rotating shaft 27 makes the second bevel gear 26 engage with the first bevel gear 25, and the first bevel gear 25 drives the second screw 23 to be threadedly connected with the threaded tube 24, and the threaded tube 24 drives the adjustment plate 22 to move, thereby adjusting the height of the connector, so that the pin of the connector corresponds to the position of the long hole of the lower mold 13, which is convenient for adjusting its height according to the size of the connector, so that its pin corresponds to the position of the long hole of the lower mold 13.
[0031] As a preferred embodiment of the above, the moving device includes a third motor 29, a third screw 30 and a slider 31. A slide groove is provided at the top of the turntable 14. The third motor 29 is mounted on the outer end of the turntable 14. The third screw 30 is rotatably mounted in the slide groove of the turntable 14. The output end of the third motor 29 passes through the turntable 14 and is linked to the outer end of the third screw 30. The slider 31 is slidably connected to the slide groove of the turntable 14. A threaded hole is provided in the middle of the slider 31. The slider 31 is threadedly connected to the third screw 30. The slider 31 is mounted at the bottom end of the U-shaped frame 19.
[0032] By setting a third motor 29, a third screw 30 and a slider 31, by turning on the third motor 29, the third motor 29 drives the third screw 30 to rotate, the third screw 30 is threadedly connected to the slider 31, and the slider 31 slides in the slide groove of the turntable 14. At the same time, the slider 31 drives the U-shaped frame 19 to move closer to the lower mold 13, so that the pins of the connector pass through the long holes of the lower mold 13 and are fixed by the fixing device, thereby sending the pins of the connector into the lower mold 13 for fixation.
[0033] As a preferred embodiment of the above embodiment, the fixing device includes a bidirectional screw 33, a second hand wheel 34, two sets of moving blocks 35 and two sets of clamping plates 36. An operating groove is provided on the upper side of the left end of the lower mold 13, and the left end of the operating groove is connected to a mounting groove. The bidirectional screw 33 is rotatably installed in the mounting groove of the lower mold 13, and the top of the bidirectional screw 33 passes through the top of the lower mold 13 and extends to its upper side. The second hand wheel 34 is installed at the top of the bidirectional screw 33, and the two sets of moving blocks 35 are respectively installed at the left ends of the two sets of clamping plates 36. The middle parts of the two sets of moving blocks 35 are connected with threaded holes, and the two sets of moving blocks 35 are threadedly connected to the bidirectional screw 33.
[0034] By arranging the bidirectional screw 33, the second hand wheel 34, the moving block 35 and the clamping plate 36, when the pin of the connector extends between the two sets of clamping plates 36, the bidirectional screw 33 is rotated by the second hand wheel 34, and the bidirectional screw 33 is threadedly connected with the two sets of moving blocks 35. The two sets of moving blocks 35 drive the two sets of clamping plates 36 to move inward, and the two sets of clamping plates 36 clamp the pin, thereby clamping the pin.
[0035] As a preferred embodiment of the above embodiment, the buffer device includes four groups of second telescopic tubes 37, four groups of second telescopic rods 38, four groups of springs 39 and a buffer plate 40. The four groups of second telescopic tubes 37 are respectively mounted on the left front side, left rear side, right front side and right rear side of the inner bottom end of the lower mold 13. The four groups of second telescopic rods 38 are respectively mounted on the left front side, left rear side, right front side and right rear side of the bottom end of the buffer plate 40. The four groups of second telescopic rods 38 are respectively slidably connected to the four groups of second telescopic tubes 37, and the four groups of springs 39 are respectively sleeved on the four groups of second telescopic rods 38.
[0036] By providing the second telescopic tube 37, the second telescopic rod 38, the spring 39 and the buffer plate 40, when the upper mold 12 bends the pin, the pin will come into contact with the buffer plate 40. Under the action of the four groups of second telescopic tubes 37, the four groups of second telescopic rods 38 and the four groups of springs 39, the pin is buffered, thereby buffering the pin and preventing it from breaking during the bending process.
[0037] The utility model relates to a connector pin bending device. When the connector is working, the connector is first placed on the adjustment plate 22, and then the second rotating shaft 27 is rotated by the first hand wheel 28. The second rotating shaft 27 makes the second bevel gear 26 mesh with the first bevel gear 25. The first bevel gear 25 drives the second screw 23 to be threadedly connected with the threaded tube 24. The threaded tube 24 drives the adjustment plate 22 to move, thereby adjusting the height of the connector, so that the position of the connector pin corresponds to the long hole position of the lower die 13. Then, the electric push rod 20 is turned on, and the electric push rod 20 drives the pressing plate 21 to move downward. The pressing plate 21 is pressed against the The connector is fixed, and then the third motor 29 is turned on. The third motor 29 drives the third screw 30 to rotate, and the third screw 30 is threadedly connected to the slider 31. The slider 31 slides in the slide groove of the turntable 14. At the same time, the slider 31 drives the U-shaped frame 19 to move close to the lower mold 13, so that the pin of the connector passes through the long hole of the lower mold 13 and extends between the two sets of clamps 36. Then, the bidirectional screw 33 is rotated by the second hand wheel 34. The bidirectional screw 33 is threadedly connected to the two sets of moving blocks 35. The two sets of moving blocks 35 drive the two sets of clamps 36 to move inward, and the two sets of clamps 36 clamp the pins. , then turn on the first motor 5, the first motor 5 drives the front first screw 6 to rotate, the front first screw 6 drives the front pulley 9 to rotate, the front pulley 9 drives the rear pulley 9 to rotate through the belt 10, the two sets of pulleys 9 drive the two sets of first screws 6 to rotate, the two sets of first screws 6 are threadedly connected to the support frame 3, the two sets of first screws 6 drive the lifting plate 4 and the mounting plate 11 to move downward, the two sets of first telescopic rods 7 slide on the two sets of first telescopic tubes 8, the upper mold 12 bends the pins in the lower mold 13, and when the upper mold 12 bends the pins, the pins will contact the buffer plate 4 0 contact, the pins are buffered under the action of the four groups of second telescopic tubes 37, the four groups of second telescopic rods 38 and the four groups of springs 39. When the pins are bent, the first motor 5 is turned on in the reverse direction to drive the upper mold 12 to reset, and then the second motor 18 is turned on. The second motor 18 drives the second gear 17 to rotate, and the second gear 17 engages with the first gear 16. The first gear 16 drives the turntable 14 to rotate through the first rotating shaft 15. When the pins in the next group of lower molds 13 correspond to the positions of the upper mold 12, the second motor 18 is turned off, and then the above operation is repeated to bend the pins.
[0038] The installation method, connection method or setting method of the connector pin bending device of the present invention are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the first motor 5, the second motor 18, the electric push rod 20 and the third motor 29 of the connector pin bending device of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.
[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 principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A connector pin bending device, characterized in that: The invention comprises a workbench (1), four groups of supporting legs (2), a punching device, a rotating device and three groups of clamping devices, wherein the four groups of supporting legs (2) are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench (1), the punching device is mounted on the left side of the top end of the workbench (1), the rotating device is mounted on the middle of the top end of the workbench (1), the punching device is connected with the rotating device, and the three groups of clamping devices are evenly mounted on the top end of the rotating device, and the three groups of clamping devices correspond to the positions of the punching device; The punching device comprises a support frame (3), a lifting plate (4), a first motor (5), two groups of first screw rods (6), two groups of first telescopic rods (7), two groups of first telescopic tubes (8), two groups of pulleys (9), a belt (10), a mounting plate (11), an upper die (12), three groups of lower dies (13), two groups of bolts (32), three groups of buffer devices and three groups of fixing devices. The support frame (3) is mounted on the left side of the top of the workbench (1), the first motor (5) is mounted on the front side of the top of the lifting plate (4), the tops of the two groups of first screw rods (6) are respectively rotatably connected to the front and rear sides of the bottom of the lifting plate (4), the output end of the first motor (5) passes through the lifting plate (4) and is connected to the top of the front first screw rod (6), the front and rear parts of the top of the support frame (3) are both connected and provided with threaded holes, the two groups of first screw rods (6) are threadedly connected to the two groups of threaded holes of the support frame (3), and the bottom ends of the two groups of first screw rods (6) are respectively rotatably mounted on the mounting plate The front and rear sides of the top of the mounting plate (11), two groups of first telescopic tubes (8) are symmetrically installed on the top of the support frame (3), two groups of first telescopic rods (7) are respectively installed on the left and right sides of the bottom of the lifting plate (4), the two groups of first telescopic rods (7) are slidably connected with the two groups of first telescopic tubes (8), two groups of pulleys (9) are respectively installed on the upper parts of the two groups of first screw rods (6), the two groups of pulleys (9) are synchronously driven by belts (10), the upper mold (12) is installed on the bottom of the mounting plate (11) through two groups of bolts (32), three groups of lower molds (13) are evenly installed on the top of the rotating device, the three groups of lower molds (13) correspond to the positions of the three groups of clamping devices, the three groups of buffer devices are respectively installed on the inner bottom ends of the three groups of lower molds (13), the outer ends of the three groups of lower molds (13) are all connected and provided with long holes, the three groups of fixing devices are respectively installed on the inner left sides of the three groups of lower molds (13), and the three groups of fixing devices correspond to the positions of the long holes of the three groups of lower molds (13).
2. A connector pin bending device according to claim 1, characterized in that: The rotating device comprises a rotating disk (14), a first rotating shaft (15), a first gear (16), a second gear (17) and a second motor (18); the rotating disk (14) is mounted on the top of the first rotating shaft (15); the first rotating shaft (15) is rotatably mounted on the middle of the workbench (1); the first gear (16) is mounted on the bottom of the first rotating shaft (15); the first gear (16) is meshed with the second gear (17); the second gear (17) is mounted on the output end of the second motor (18); the second motor (18) is mounted on the bottom of the workbench (1); three groups of lower molds (13) and three groups of clamping devices are evenly mounted on the top of the rotating disk (14).
3. A connector pin bending device according to claim 2, characterized in that: The clamping device comprises a U-shaped frame (19), an electric push rod (20), a pressing plate (21), an adjusting device and a moving device, wherein the moving device is mounted on the top of the turntable (14), the U-shaped frame (19) is mounted on the moving device, the electric push rod (20) is mounted on the top of the U-shaped frame (19), the output end of the electric push rod (20) passes through the top of the U-shaped frame (19) and is connected to the top of the pressing plate (21), the adjusting device is mounted on the inner bottom end of the U-shaped frame (19), and the position of the adjusting device corresponds to that of the pressing plate (21).
4. A connector pin bending device according to claim 3, characterized in that: The adjusting device comprises an adjusting plate (22), a second screw rod (23), a threaded tube (24), a first bevel gear (25), a second bevel gear (26), a second rotating shaft (27) and a first hand wheel (28). The adjusting plate (22) corresponds to the position of the pressing plate (21). The inner end of the adjusting plate (22) is slidably connected to the inner end of the U-shaped frame (19). The threaded tube (24) is installed at the bottom end of the adjusting plate (22). The threaded tube (24) is threadedly connected to the second screw rod (23). The second screw rod (23) is rotatably installed at the inner bottom end of the U-shaped frame (19). The first bevel gear (25) is installed at the bottom of the second screw rod (23). The first bevel gear (25) is meshed with the second bevel gear (26). The second bevel gear (26) is installed at the left end of the second rotating shaft (27). The second rotating shaft (27) is rotatably installed at the lower part of the U-shaped frame (19). The first hand wheel (28) is installed at the outer end of the second rotating shaft (27).
5. A connector pin bending device according to claim 4, characterized in that: The moving device includes a third motor (29), a third screw (30) and a slider (31). A slide groove is provided at the top of the turntable (14). The third motor (29) is installed at the outer end of the turntable (14). The third screw (30) is rotatably installed in the slide groove of the turntable (14). The output end of the third motor (29) passes through the turntable (14) and is linked to the outer end of the third screw (30). The slider (31) is slidably connected to the slide groove of the turntable (14). A threaded hole is provided in the middle of the slider (31). The slider (31) is threadedly connected to the third screw (30). The slider (31) is installed at the bottom end of the U-shaped frame (19).
6. A connector pin bending device according to claim 5, characterized in that: The fixing device comprises a bidirectional screw (33), a second hand wheel (34), two groups of moving blocks (35) and two groups of clamping plates (36). An operating groove is provided on the upper side of the left end of the lower die (13). The left end of the operating groove is connected to a mounting groove. The bidirectional screw (33) is rotatably mounted in the mounting groove of the lower die (13). The top of the bidirectional screw (33) passes through the top of the lower die (13) and extends to its upper side. The second hand wheel (34) is mounted on the top of the bidirectional screw (33). The two groups of moving blocks (35) are respectively mounted on the left ends of the two groups of clamping plates (36). The middle parts of the two groups of moving blocks (35) are connected to be provided with threaded holes. The two groups of moving blocks (35) are threadedly connected to the bidirectional screw (33).
7. A connector pin bending device according to claim 6, characterized in that: The buffer device comprises four groups of second telescopic tubes (37), four groups of second telescopic rods (38), four groups of springs (39) and a buffer plate (40). The four groups of second telescopic tubes (37) are respectively installed on the left front side, the left rear side, the right front side and the right rear side of the inner bottom end of the lower mold (13); the four groups of second telescopic rods (38) are respectively installed on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the buffer plate (40); the four groups of second telescopic rods (38) are respectively slidably connected to the four groups of second telescopic tubes (37); and the four groups of springs (39) are respectively sleeved on the four groups of second telescopic rods (38).