PIN cutting equipment

Abstract

The utility model relates to PIN cutting-off equipment which comprises a multi-angle forming assembly, a twist-off assembly, an execution transmission assembly, a displacement assembly and a driving wheel set, and the multi-angle forming assembly punches a wire product in multiple directions to obtain a PIN in a needle tip shape; the twisting-off assembly is used for twisting off the PIN needle punched and formed by the multi-angle forming assembly; the execution transmission assembly drives the multi-angle forming assembly to operate to achieve the cutting action. The shifting assembly drives a wire to move and feed to the multi-angle forming assembly to cut a wire product, the driving wheel set drives the shifting assembly to shift the wire and drives the execution transmission assembly to perform transmission at the same time, the multi-angle forming assembly is arranged, when the wire is cut and punched to have different cross sections, breaking points are formed at the same time, and the production efficiency is improved. And then the PINs can be easily twisted off when entering the twist-off assembly, so that the single PINs can be cut off, and the use requirements can be met.

Description

Technical Field

[0001] This application belongs to the technical field of PIN pin production, and particularly relates to a PIN pin truncating device. Background Art

[0002] A PIN pin is a metal material used to conduct electricity (transmit signals) in a connector.

[0003] When producing PIN pins, production equipment is required to cut a whole copper wire into pins of a certain length at regular time intervals through a cutting tool. Existing equipment usually only uses a single cutting tool. For some pins, certain requirements are imposed on their tips, such as having multiple cutting surfaces, which cannot be met by the existing technology. Utility Model Content

[0004] The technical problem to be solved by this utility model is: to provide a PIN pin truncating device to solve the deficiency in the prior art that multiple cutting surfaces cannot be cut out when cutting PIN pins.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A PIN pin truncating device includes a multi-angle forming component, a twisting-off component, an execution transmission component, a displacement component, and a driving wheel group located inside a frame.

[0007] The multi-angle forming component punches the wire product in multiple directions to obtain a PIN pin with a tip shape.

[0008] The twisting-off component twists off the PIN pin formed by the multi-angle forming component.

[0009] The execution transmission component drives the multi-angle forming component to operate to achieve a cutting action.

[0010] The displacement component drives the wire to move forward for feeding to the multi-angle forming component to cut the wire product.

[0011] The driving wheel group drives the displacement component to perform a wire displacement action, and at the same time drives the execution transmission component to transmit power. It includes a motor, a transmission shaft, a curved surface cam, and a driven cam. The motor and the transmission shaft are connected by a bevel gear transmission. The curved surface cam and the driven cam are arranged on the transmission shaft. The other end of the transmission shaft drives the multi-angle forming component to perform a cutting action. The driving wheel group drives the displacement component to drive the wire to move forward for feeding to the multi-angle forming component to cut the wire product by driving the curved surface cam and the driven cam.

[0012] Furthermore, the multi-angle forming assembly includes a fixed disk, a wire cylinder, a moving seat, a stamping knife, and a braking block. The wire cylinder is located at the center of the fixed disk, and the fixed disk is fixed on the frame. A plurality of sliding grooves are axially formed on the front surface of the fixed disk. The number of moving seats is the same as that of the sliding grooves, and they are correspondingly slidably arranged in the sliding grooves. The stamping knife is arranged at one end of the moving seat close to the wire cylinder, and the end of the stamping knife away from the wire cylinder is located outside the fixed disk. The braking block is arranged on the end of the stamping knife away from the wire cylinder.

[0013] Furthermore, the actuating transmission assembly includes a rotating shaft, a first gear, a pressure point cam, and a second gear that rotate on the outer periphery of the fixed disk. The first gear and the pressure point cam are arranged on the rotating shaft. There are several groups of the rotating shaft, the first gear, and the pressure point cam in cooperation, and they are correspondingly arranged with the braking block. The first gear meshes with the second gear. One of the rotating shafts is connected to the transmission shaft, and the braking block abuts against the outer surface of the circumferential direction of the pressure point cam.

[0014] Furthermore, the shifting assembly includes a connecting seat, a transmission arm, a driving block, an upper clamping block, a lower clamping block, a connecting arm, and a return spring assembly. The transmission arm and the connecting arm are both hinged on the connecting seat, and the connecting seat is fixed on the frame. The driving block abuts against the curved surface of the curved surface cam. The driving block is installed at one end of the transmission arm. The upper clamping block is installed at the other end of the transmission arm. The lower clamping block is installed on the connecting seat. The driving block abuts against the curved surface of the curved surface cam. The driving block is installed at one end of the transmission arm. The connecting seat is installed at the other end of the transmission arm; the connecting plate is movably installed on the connecting seat, the lower clamping block is fixed on the connecting seat, the upper clamping block and the lower clamping block correspond up and down, the upper clamping block is movably installed on the connecting seat, one end of the connecting arm abuts against the outer surface of the driven cam, and the other end is connected to the upper clamping block; the return spring assembly includes a spring and a fixed seat. One end of the spring is connected to the fixed seat, and the other end is installed at one end of the transmission arm close to the upper clamping block.

[0015] Furthermore, there are two groups of the connecting seat, the transmission arm, the driving block, the upper clamping block, the lower clamping block, the curved surface cam, the connecting arm, the return spring assembly, and the driven cam in cooperation.

[0016] Furthermore, it further includes a roller assembly. There are two groups of the roller assembly, which are arranged in a staggered manner. The wire passes into the roller assembly and is pulled by the roller assembly to move the position.

[0017] The beneficial effects of the present utility model are:

[0018] 1. By setting the multi-angle forming assembly, when the wire is truncated and stamped to have different cross-sections, a fracture point can be formed at the same time. Then, when entering the twisting and breaking assembly, it can be easily twisted and broken to complete the truncation of a single PIN needle, so as to meet the use requirements;

[0019] 2. Through a single driving wheel assembly, the multi-angle forming assembly and the shifting assembly can be driven to cooperate, saving the use of electricity and resources. Description of the Drawings

[0020] The technical solution of the present application will be further described below in conjunction with the drawings and embodiments.

[0021] Figure 1 is a schematic three-dimensional structure diagram of an embodiment of the present application;

[0022] Figure 2 is a schematic top view structure diagram of an embodiment of the present application;

[0023] Figure 3 is a schematic structure diagram of the execution transmission component and the multi-angle forming component of an embodiment of the present application;

[0024] Figure 4 is a schematic structure diagram of the shifting component of an embodiment of the present application;

[0025] The reference numerals in the drawings are as follows:

[0026] 10. Multi-angle forming component, 11. Fixed disk, 12. Wire cylinder, 13. Moving seat, 14. Stamping knife, 15. Brake block, 16. Chute, 20. Twisting-off component, 30. Execution transmission component, 31. Rotating shaft, 32. Gear one, 33. Pressing point cam, 34. Gear two, 40. Shifting component, 41. Connecting seat, 42. Transmission arm, 43. Driving block, 44. Upper clamping block, 45. Lower clamping block, 46. Connecting arm, 47. Reset spring assembly, 47.1. Spring, 47.2. Fixed seat, 48. Connecting plate, 50. Driving wheel set, 51. Motor, 52. Transmission shaft, 53. Curved surface cam, 54. Driven cam, 60. Roller assembly. Detailed Embodiments

[0027] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other.

[0028] In the description of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0029] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood through specific circumstances.

[0030] The technical solution of the present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0031] Embodiment

[0032] This embodiment provides a PIN needle truncating device, which includes a multi-angle forming assembly 10, a breaking assembly 20, an execution transmission assembly 30, a displacement assembly 40, and a driving wheel group 50 located inside the frame.

[0033] The driving wheel group 50 drives the displacement assembly 40 to perform a wire displacement action, and at the same time drives the execution transmission assembly 30 to transmit. The driving wheel group 50 includes a motor 51, a transmission shaft 52, a curved surface cam 53, and a driven cam 54. The motor 51 is connected to the transmission shaft 52 through bevel gears. The curved surface cam 53 and the driven cam 54 are arranged on the transmission shaft 52. The other end of the transmission shaft 52 drives the multi-angle forming assembly 10 to perform a cutting action. The driving wheel group 50 drives the curved surface cam 53 and the driven cam 54, and then drives the displacement assembly 40 to drive the wire to move and feed the multi-angle forming assembly to cut the wire product.

[0034] The multi-angle forming assembly 10 includes a fixed disk 11, a wire guide cylinder 12, a moving seat 13, a stamping knife 14, and a brake block 15. The wire guide cylinder 12 is located at the center of the fixed disk 11. A plurality of sliding grooves 16 are axially formed on the front surface of the fixed disk 11. The number of moving seats 13 is the same as that of the sliding grooves 16, and they are correspondingly and slidably arranged in the sliding grooves 16. The stamping knife 14 is arranged at one end of the moving seat 13 close to the wire guide cylinder 12. The end of the stamping knife 14 far from the wire guide cylinder 12 is located outside the fixed disk 11. The brake block 15 is arranged on the end of the stamping knife 14 far from the wire guide cylinder 12. The tip of the stamping knife 14 is in the required shape. The multi-angle forming assembly 10 punches the wire product in multiple directions to obtain a PIN needle with a needle tip shape. A twisting and breaking assembly 20 is also provided at the wire outlet end to twist and break the PIN needle formed by the multi-angle forming assembly 10, and finally an independent PIN needle comes out.

[0035] The execution transmission assembly 30 drives the multi-angle forming assembly 10 to operate to achieve the cutting action; the execution transmission assembly 30 includes a rotating shaft 31 rotating on the outer circumference of the fixed disk 11, a first gear 32, a pressure point cam 33, and a second gear 34. The first gear 32 and the pressure point cam 33 are arranged on the rotating shaft 31. The rotating shaft 31, the first gear 32, and the pressure point cam 33 are provided with several groups in cooperation and are correspondingly arranged with the brake block 15. The first gear 32 meshes with the second gear 34. One of the rotating shafts 31 is connected to the transmission shaft 52. The brake block 15 abuts against the outer surface of the circumferential direction of the pressure point cam 33. The rotating shaft 31, the brake block 15, and the pressure point cam 33 form a roller follower cam mechanism. The motor 51 drives the transmission shaft 52 to rotate, drives the pressure point cam 33 to rotate, and further drives the brake block 15 to perform an intermittent linear reciprocating motion towards the center point of the fixed disk 1111, driving the stamping knife 14 to punch and supplement the wire.

[0036] The displacement assembly 40 includes a connecting seat 41, a transmission arm 42, a driving block 43, an upper clamping block 44, a lower clamping block 45, a connecting arm 46, a return spring assembly 47, and a connecting plate 48. The transmission arm 42 and the connecting arm 46 are both hinged on the connecting seat 41. The driving block 43 abuts against the curved surface of the curved surface cam 53. The driving block 43 is installed at one end of the transmission arm 42. The connecting plate 48 is installed at the other end of the transmission arm 42 and is slidably installed on the connecting seat 41. The lower clamping block 45 is fixedly installed on the connecting plate 48. The upper clamping block 44 is slidably installed on the connecting plate 48. The upper clamping block 44 and the lower clamping block 45 correspond up and down. One end of the transmission arm 42 abuts against the outer surface of the driven cam 54. The other end of the connecting arm 46 is connected to the upper clamping block 44, driving the upper clamping block 44 to move up and down. The rotation of the curved surface cam 53 and the driven cam 54 drives the upper clamping block 44 and the lower clamping block 45 to approach and clamp the wire, and at the same time move the wire for feeding; the return spring assembly 47 includes a spring 47.1 and a fixed seat 47.2. One end of the spring 47.1 is connected to the fixed seat 47.2, and the other end is installed on the end of the transmission arm 42 close to the upper clamping block 44. The spring 47.1 can pull the transmission arm 42 to reset.

[0037] For more convenient clamping and feeding, two sets of the connecting seat 41, the transmission arm 42, the driving block 43, the upper clamping block 44, the lower clamping block 45, the connecting arm 46, the return spring assembly 47, the curved surface cam 53 and the driven cam 54 are cooperatively provided, and their movement direction ranges are the same.

[0038] It further includes a roller assembly 60 arranged at the wire inlet. Two sets of the roller assembly 60 are provided and are arranged in a staggered manner. The wire is introduced into the roller assembly 60 and is tractioned by the roller assembly 60 to move its position.

[0039] When the utility model is in use:

[0040] The wire is conveyed from the roller assembly to between the upper clamping block and the lower clamping block of the displacement assembly. The motor drives the rotating shaft to rotate. Through the contact movement between the curved surface cam and the driving block and the contact movement between the driven cam and the connecting arm, the connecting plate is driven to reciprocate left and right, and the upper clamping block and the lower clamping block are driven to clamp the wire. When the connecting plate moves towards the multi-angle forming assembly, the wire is clamped and sent to the multi-angle forming assembly. When the connecting plate moves away from the multi-angle forming assembly, the upper clamping block and the lower clamping block do not clamp the wire;

[0041] When the wire reaches the multi-angle forming assembly, the contact movement between the break point cam and the driving block drives the stamping knife to intermittently stamp the wire, stamping the wire into a required cross-section to obtain the required shape of the pin part, and then entering the twisting-off assembly to be twisted off to complete the truncation of the PIN pin.

[0042] Enlightened by the above ideal embodiments according to the present application, through the above description, relevant staff can completely make various changes and modifications within the scope not deviating from the technical idea of this application. The technical scope of this application is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A PIN pin truncating device, characterized in that, include: A multi-angle forming component, which punches the wire product in multiple directions to obtain a PIN needle in a needle tip shape; A twist-off assembly, which twists off the PIN pins punched by the multi-angle forming assembly; An execution transmission component, wherein the execution transmission component drives the multi-angle forming component to operate to realize the cutting action; The shifting assembly drives the wire to move and feed the wire to the multi-angle forming assembly for cutting the wire products. A driving wheel group, the driving wheel group drives the shifting component to perform wire shifting action, and at the same time drives the execution transmission component to transmit, including a motor, a transmission shaft, a curved cam, and a driven cam. The motor and the transmission shaft are connected through a bevel gear transmission. The curved cam and the driven cam are arranged on the transmission shaft. The other end of the transmission shaft drives the multi-angle forming component to perform cutting action. The driving wheel group drives the curved cam and the driven cam to drive the shifting component to drive the wire to move and feed the wire to the multi-angle forming component to cut the wire product.

2. The PIN pin truncating device according to claim 1, characterized in that, The multi-angle forming assembly includes a fixed disk, a wire tube, a movable seat, a punching knife, and a brake block. The wire tube is located at the center of the fixed disk. A plurality of slide grooves are opened on the front side of the fixed disk and along the axial direction. The number of movable seats is the same as the slide grooves, and the movable seats are correspondingly slidably arranged in the slide grooves. The punching knife is arranged at one end of the movable seat close to the wire tube, and the end of the punching knife away from the wire tube is located outside the fixed disk. The brake block is arranged on the end of the punching knife away from the wire tube.

3. A PIN needle truncating device according to claim 2, characterized in that, The execution transmission assembly includes a rotating shaft, gear one, a pressure point cam, and gear two that rotate on the outer periphery of a fixed disk. The gear one and the pressure point cam are arranged on the rotating shaft. The rotating shaft, gear one, and the pressure point cam are cooperated to form a plurality of groups and are arranged correspondingly with brake blocks. The gear one is meshed with the gear two. One of the rotating shafts is connected to the transmission shaft, and the brake block abuts against the circumferential outer surface of the pressure point cam.

4. A PIN needle truncating device according to claim 3, characterized in that, The shift assembly includes a connecting seat, a transmission arm, a driving block, an upper clamping block, a lower clamping block, a connecting plate, a connecting arm, and a reset spring assembly. The transmission arm and the connecting arm are both hinged on the connecting seat, the driving block abuts against the curved surface of the curved cam, the driving block is installed at one end of the transmission arm, and the connecting seat is installed at the other end of the transmission arm; the connecting plate is movably installed on the connecting seat, the lower clamping block is fixed on the connecting seat, the upper clamping block and the lower clamping block correspond to each other up and down, the upper clamping block is movably installed on the connecting seat, one end of the connecting arm abuts against the outer surface of the driven cam, and the other end is connected to the upper clamping block; the reset spring assembly includes a spring and a fixed seat, one end of the spring is connected to the fixed seat, and the other end is installed on one end of the transmission arm close to the upper clamping block.

5. A PIN needle truncating device according to claim 4, characterized in that, The connecting seat, the transmission arm, the driving block, the upper clamping block, the lower clamping block, the curved cam, the connecting arm, the reset spring assembly and the driven cam are arranged in two groups.

6. A PIN needle truncating device according to claim 1, characterized in that, It also includes a roller assembly, wherein the roller assembly is provided with two groups, which are staggered. The wire is transmitted into the roller assembly and is pulled by the roller assembly to move the position.

Images