High-precision automatic connector pin processing equipment and processing method thereof

Abstract

The invention relates to the technical field of connector pin machining, in particular to high-precision automatic connector pin machining equipment and a machining method thereof.The high-precision automatic connector pin machining equipment comprises a support base used for supporting the whole device, a frame and a conveying plate, a feeding motor is installed in the middle of the support base, and the upper end of the edge of the support base is welded and fixed to the frame; a conveying plate is rotationally connected to the inner side of the upper end of the frame, a driving plate is fixedly connected to the middle of the conveying plate, a driving mechanism is mounted on one side of the driving plate, and the end, away from the driving plate, of the driving mechanism is connected with the bending unit through a connecting unit. According to the pin bending device, the bending angle can be adjusted according to actual needs, the cost of the adjusting mechanism is low, adjustment is convenient, meanwhile, through the arranged driving mechanism, power transmitted by the pin bending device to a pin can be utilized, the pin bending device can be used for bending the pin, and the pin bending efficiency is improved. And driving of the bending unit is achieved, and the production cost can be further reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of connector pin processing, and particularly to a high-precision automatic connector pin processing device and its processing method. Background Art

[0002] The bending device in the connector pin processing equipment is a precision machine specifically used for bending metal pins at a predetermined angle and shape, and it plays an important role in the manufacturing process of electronic connectors; This kind of equipment usually integrates a high-precision positioning system and a flexible bending mechanism, which can ensure the accuracy and consistency of the pins during the bending process, so as to meet the requirements of specific angles and shapes of the pins in complex electronic connector designs. Through program control, the operator can set different bending parameters, such as bending angle, position, and sequence, etc., to achieve automated or semi-automated batch production, improving production efficiency and product quality; During the bending process by the connector pin processing equipment, it is necessary to set the bending angle according to the bending requirement to ensure the bending need. For the existing bending equipment, the bending angle adjustment is generally achieved through a precise structure, with a relatively high cost. Therefore, a high-precision automatic connector pin processing device and its processing method are proposed for the above problems. Summary of the Invention

[0003] The purpose of the present invention is to provide a high-precision automatic connector pin processing device and its processing method to solve the problem that during the bending process by the connector pin processing equipment, it is necessary to set the bending angle according to the bending requirement to ensure the bending need, and for the existing bending equipment, the bending angle adjustment is generally achieved through a precise structure, with a relatively high cost.

[0004] To achieve the above purpose, the present invention provides the following technical solutions: A high-precision automatic connector pin processing device and its processing method, including a support base, a frame and a conveying plate for supporting the whole device. A feeding motor is installed in the middle of the support base. The upper edge of the support base is fixedly welded to the frame. The conveying plate is rotatably connected to the inner side of the upper end of the frame. A driving plate is fixedly connected to the middle of the conveying plate. A driving mechanism is installed on one side of the driving plate. One end of the driving mechanism away from the driving plate is connected to a bending unit through a connecting unit. The bending unit includes two circular plates. A bidirectional threaded rod is spirally connected in the middle of the circular plates. Positioning columns are fixedly connected to both ends of the bidirectional threaded rod. A plurality of fixing blocks are fixedly connected to one end of the circular plate close to the center point of the bidirectional threaded rod in an annular and equally spaced manner. An adjusting unit is installed between the fixing blocks symmetrically arranged on the two circular plates. The adjusting units are connected through elastic blocks. The adjusting unit includes a bending seat. A bending groove is opened in the inner side of the bending seat. Connecting blocks arranged alternately are fixedly welded to both ends of the bending seat. The connecting blocks are rotatably connected to a rotating rod through a rotating shaft. The other end of the rotating rod is rotatably connected to the fixing block.

[0005] As a further optimized content of the present invention, wherein: the driving mechanism includes a square shell. A hydraulic cylinder is fixedly connected to the inner side of the square shell through a partition plate. A first piston plate is slidably connected to the inner side of one end of the hydraulic cylinder. A second piston plate is slidably connected to the inner side of the other end of the hydraulic cylinder. One end of the first piston plate away from the center point of the hydraulic cylinder is fixedly connected to a second cylinder. One end of the second piston plate away from the hydraulic cylinder is fixedly connected to a first cylinder. The other end of the second cylinder is fixedly connected to a moving block.

[0006] As a further optimized content of the present invention, wherein: the vertical projection of the hydraulic cylinder is T-shaped. The diameter of the first piston plate is twice that of the second piston plate. There are two partition plates. The partition plates are parallel to each other. The second cylinder is slidably connected to the hydraulic cylinder. The first cylinder and the moving block are both slidably connected to the square shell.

[0007] As a further optimized content of the present invention, wherein: there is no contact between the bottom end of the square shell and the conveying plate. The upper end of the square shell is fixedly connected to the frame through a connecting frame. An outlet is opened on one side of the frame.

[0008] As a further optimized content of the present invention, wherein: the connecting unit includes two U-shaped frames. A bolt through hole is opened in the middle of the U-shaped frames. An installation groove is opened in the inner side of the open end of the U-shaped frames. The two U-shaped frames are fixedly connected through a bolt passing through the bolt through hole. The inner wall of the installation groove is elastically arranged. The U-shaped frames are connected to the positioning columns through the installation grooves. Anti-slip grooves are annularly distributed on the outer side of the positioning columns.

[0009] As a further optimization of the present invention, the edge of the driving plate is annularly and equidistantly fixedly connected with raised blocks, and the driving plate is coaxially arranged with the conveying plate and the feeding motor.

[0010] As a further optimization of the present invention, the two circular plates are parallel to each other, and the angle between the bidirectional threaded rod and the circular plate is 90°, and the bidirectional threaded rod and the circular plate are coaxially arranged.

[0011] As a further optimization of the present invention, there are multiple adjustment units, which are distributed in a ring-shaped manner and are equidistant between the circular plates, and the number of the adjustment units is equal to the number of the elastic blocks.

[0012] As a further optimization of the present invention, the frame is provided with a bending platform at the lower end of the connecting frame, and the conveying plate is provided with conveying grooves which are evenly distributed in a circular shape and are used to convey the pins to be bent.

[0013] As further optimized content of the present invention, the following steps are included: Step 1: According to the bending requirements of the plug pins, the bending unit is adjusted: In the process of bending the plug pins, the bending unit is first adjusted according to the bending requirements of the plug pins, and the adjustment is made by rotating the bidirectional threaded rod to adjust the spacing between the circular plates. During the adjustment of the spacing between the circular plates, the bending degree of the adjustment unit is adjusted, and then the position of the bending seat is adjusted. Through the position of the bending seat, the contact position between the bending groove and the plug pin is controlled to complete the adjustment; Step 2: Place the pins in the conveying slot on the inner side of the conveying plate for conveying: After the adjustment is completed, power on the entire device. After the power is turned on, the feeding motor drives the conveying plate to rotate, and then the pins are conveyed through the conveying slot on the inner side of the conveying plate; Step 3: The pins are rotated to the bending platform: When the pins placed on the inner side of the conveyor plate move to the bending platform, bending is performed; Step 4: The driving mechanism drives the bending unit to bend: During the bending process, the convex point arranged on the outer side of the driving plate is in a state of squeezing the moving block. After being squeezed, the moving block transmits power to the first cylinder through the first piston plate, the second piston plate and the hydraulic oil arranged inside the hydraulic cylinder. The first cylinder pushes the bending unit to move, thereby making the bending groove arranged inside the bending unit contact with the pin, thereby realizing the bending process of the pin; Step 5: Unloading: After the bending is completed, the feeding motor drives the bent pin to continue to move to the discharge port, and unloads the material through the discharge port to complete the bending.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, through the provided bending unit, the bending angle can be adjusted according to actual needs. Moreover, the cost of the adjustment mechanism is relatively low, and the adjustment is relatively convenient. At the same time, through the provided driving mechanism, the power for pin transmission of the device itself can be utilized to drive the bending unit, which can further reduce the production cost. 2. In the present invention, through the provided driving mechanism, the slight movement of the moving block can be used to drive the bending unit to move a long distance to meet the bending requirements. The device as a whole uses hydraulic oil and a hydraulic cylinder to achieve power conversion, and is less affected by the ambient temperature, which can improve the stability during the use of the device. 3. In the present invention, through the provided connecting unit, the adjusted bending unit can be stably limited and fixed. At the same time, during actual use, as a connecting piece, it is convenient to maintain and replace the connected workpiece, which can improve the convenience of later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the installation position structure of the feeding motor of the present invention; Figure 3 is of the present invention Figure 2 schematic diagram of the structure at A; Figure 4 is a schematic diagram of the bending unit structure of the present invention; Figure 5 is of the present invention Figure 4 schematic diagram of the structure at B; Figure 6 is a schematic diagram of the driving mechanism structure of the present invention; Figure 7 is a schematic diagram of the internal structure of the square shell of the present invention; Figure 8 is a schematic diagram of the connecting unit structure of the present invention.

[0016] In the figure: 1, support base; 2, frame; 3, connecting frame; 4, driving mechanism; 41, square shell; 42, hydraulic cylinder; 43, partition; 44, first cylinder; 45, second cylinder; 46, moving block; 47, first piston plate; 48, second piston plate; 5, bending unit; 51, circular plate; 52, bidirectional threaded rod; 53, positioning column; 54, fixed block; 55, adjusting unit; 551, bending seat; 552, bending groove; 553, connecting block; 554, rotating rod; 555, rotating shaft; 56, elastic block; 6, driving plate; 7, conveying plate; 8, discharge port; 9, feeding motor; 10. Connection unit; 101. U-shaped frame; 102. Bolt perforation; 103. Installation groove. Specific implementation manner

[0017] Please refer to Figure 1-8 , the present invention provides a technical solution: A high-precision automatic connector pin processing device and its processing method, including a support base 1, a frame 2 and a conveying plate 7 for supporting the whole device. A feeding motor 9 is installed in the middle of the support base 1. The upper edge of the support base 1 is welded and fixed to the frame 2. The inner side of the upper end of the frame 2 is rotatably connected to the conveying plate 7. A driving plate 6 is fixedly connected in the middle of the conveying plate 7. A driving mechanism 4 is installed on one side of the driving plate 6. One end of the driving mechanism 4 away from the driving plate 6 is connected to a bending unit 5 through a connection unit 10; the bending unit 5 includes two circular plates 51. A bidirectional threaded rod 52 is helically connected in the middle of the circular plates 51. Positioning columns 53 are fixedly connected to both ends of the bidirectional threaded rod 52. A plurality of fixing blocks 54 are fixedly connected to one end of the circular plate 51 close to the center point of the bidirectional threaded rod 52 in an annular and equally spaced manner. An adjusting unit 55 is installed between the fixing blocks 54 symmetrically arranged on the two circular plates 51. The adjusting units 55 are connected through an elastic block 56; the adjusting unit 55 includes a bending seat 551. A bending groove 552 is opened inside the bending seat 551. Connecting blocks 553 arranged alternately are welded and fixed to both ends of the bending seat 551. The connecting blocks 553 are rotatably connected to a rotating rod 554 through a rotating shaft 555. The other end of the rotating rod 554 is rotatably connected to the fixing block 54.

[0018] As a further implementation technical solution of this solution, the driving mechanism 4 includes a square shell 41. A hydraulic cylinder 42 is fixedly connected inside the square shell 41 through a partition plate 43. A first piston plate 47 is slidably connected to the inner side of one end of the hydraulic cylinder 42. A second piston plate 48 is slidably connected to the inner side of the other end of the hydraulic cylinder 42. One end of the first piston plate 47 away from the center point of the hydraulic cylinder 42 is fixedly connected to a second cylinder 45. One end of the second piston plate 48 away from the hydraulic cylinder 42 is fixedly connected to a first cylinder 44. The other end of the second cylinder 45 is fixedly connected to a moving block 46. Through the above settings, the convex blocks arranged around the driving plate 6 can be used to contact the moving block 46 to drive the bending unit 5 to move a relatively long distance; As a further implementation technical solution of this solution, the vertical projection of the hydraulic cylinder 42 is T-shaped. The diameter of the first piston plate 47 is twice the diameter of the second piston plate 48. There are two partition plates 43. The partition plates 43 are parallel to each other. The second cylinder 45 is slidably connected to the hydraulic cylinder 42. The first cylinder 44 and the moving block 46 are both slidably connected to the square shell 41. Through the above settings, the movement of the hydraulic oil inside the hydraulic cylinder 42 can be used to realize power conversion; As a further technical solution for the implementation of this solution, there is no contact between the bottom end of the square shell 41 and the conveying plate 7. The upper end of the square shell 41 is fixedly connected to the frame 2 through the connecting frame 3. An outlet 8 is provided on one side of the frame 2. Through the above settings, the stability of the material feeding can be ensured; As a further technical solution for the implementation of this solution, the connecting unit 10 includes two U-shaped frames 101. A bolt through hole 102 is provided in the middle of the U-shaped frame 101. An installation groove 103 is provided on the inner side of the open end of the U-shaped frame 101. The two U-shaped frames 101 are fixedly connected through bolts passing through the bolt through hole 102. The inner wall of the installation groove 103 is elastically arranged. The U-shaped frame 101 is connected to the positioning column 53 through the installation groove 103. Anti-slip grooves are annularly distributed on the outer side of the positioning column 53. Through the above settings, the bent unit 5 after adjustment can be stably limited; As a further technical solution for the implementation of this solution, convex blocks are fixedly connected to the edge of the driving plate 6 at equal intervals in a ring shape. The driving plate 6, the conveying plate 7 and the feeding motor 9 are coaxially arranged. Through the above settings, the stability during the rotation of the conveying plate 7 can be further improved; As a further technical solution for the implementation of this solution, the two circular plates 51 are parallel to each other, and the included angle between the bidirectional threaded rod 52 and the circular plate 51 is 90°. The bidirectional threaded rod 52 and the circular plate 51 are coaxially arranged. Through the above settings, the distance between the circular plates 51 can be adjusted as needed; As a further technical solution for the implementation of this solution, a plurality of adjusting units 55 are provided. The adjusting units 55 are annularly and equally distributed between the circular plates 51. The number of the adjusting units 55 is equal to that of the elastic blocks 56. A bending platform is provided at the position where the frame 2 is arranged at the lower end of the connecting frame 3. A conveying groove for conveying the bending pins to be processed is annularly and equally distributed inside the conveying plate 7. Through the above settings, the stability during the bending process can be ensured.

[0019] As a further technical solution for the implementation of this solution, Step 1: Adjust the bending unit 5 according to the bending requirements of the pins: During the bending of the pins, first, adjust the bending unit 5 according to the bending requirements of the pins. The adjustment is to adjust the distance between the circular plates 51 by rotating the bidirectional threaded rod 52. During the adjustment of the distance between the circular plates 51, the bending degree of the adjusting unit 55 is adjusted, and then the position of the bending seat 551 is adjusted. Through the position of the bending seat 551, the contact position between the bending groove 552 and the pins is controlled to complete the adjustment; Step 2: Place the pins in the conveying groove provided inside the conveying plate 7 for conveying: After the adjustment is completed, power on the entire device. After the power-on is completed, the feeding motor 9 drives the conveying plate 7 to rotate, and then conveys the pins through the conveying groove provided inside the conveying plate 7; Step 3: The pins are rotated to the bending platform: When the pins placed on the inner side of the conveying plate 7 are moved to the bending platform, bending is performed; Step 4: The driving mechanism 4 drives the bending unit 5 to bend: During the bending process, the convex point arranged on the outer side of the driving plate 6 is in a state of squeezing the moving block 46. After being squeezed, the moving block 46 transmits power to the first cylinder 44 through the first piston plate 47, the second piston plate 48 and the hydraulic oil arranged inside the hydraulic cylinder 42. The first cylinder 44 pushes the bending unit 5 to move, thereby making the bending groove 552 arranged inside the bending unit 5 contact with the pin, thereby realizing the bending process of the pin; Step 5: Unloading: After the bending is completed, the feeding motor 9 drives the bent pin to continue to move to the discharge port 8, and unloads the pin through the discharge port 8 to complete the bending.

[0020] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A high-precision automatic connector pin processing device, comprising a support base (1), a frame (2) and a conveying plate (7) for supporting the whole device, characterized in that: A feeding motor (9) is installed in the middle of the bracket base (1). The upper edge of the bracket base (1) is fixedly welded to the frame (2). The inner side of the upper end of the frame (2) is rotatably connected to a conveying plate (7). A driving plate (6) is fixedly connected to the middle of the conveying plate (7). A driving mechanism (4) is installed on one side of the driving plate (6). The end of the driving mechanism (4) far from the driving plate (6) is connected to a bending unit (5) through a connecting unit (10). The bending unit (5) includes two circular plates (51). A bidirectional threaded rod (52) is spirally connected in the middle of the circular plates (51). Positioning columns (53) are fixedly connected to both ends of the bidirectional threaded rod (52). A plurality of fixing blocks (54) are fixedly connected in an annular equidistant manner at one end of the circular plate (51) close to the center point of the bidirectional threaded rod (52). An adjusting unit (55) is installed between the fixing blocks (54) symmetrically arranged on the two circular plates (51). The adjusting units (55) are connected through elastic blocks (56). The adjusting unit (55) includes a bending seat (551). A bending groove (552) is opened inside the bending seat (551). Connecting blocks (553) arranged alternately are fixedly welded to both ends of the bending seat (551). The connecting blocks (553) are rotatably connected to a rotating rod (554) through a rotating shaft (555). The other end of the rotating rod (554) is rotatably connected to the fixing block (54).

2. The high-precision automatic connector pin processing equipment according to claim 1, characterized in that: The driving mechanism (4) includes a square shell (41). A hydraulic cylinder (42) is fixedly connected inside the square shell (41) through a partition plate (43). A first piston plate (47) is slidably connected to the inner side of one end of the hydraulic cylinder (42). A second piston plate (48) is slidably connected to the inner side of the other end of the hydraulic cylinder (42). A second cylinder (45) is fixedly connected to the end of the first piston plate (47) far from the center point of the hydraulic cylinder (42). A first cylinder (44) is fixedly connected to the end of the second piston plate (48) far from the hydraulic cylinder (42). A moving block (46) is fixedly connected to the other end of the second cylinder (45).

3. An automatic pin processing device for high-precision connectors according to claim 2, characterized in that: The vertical projection of the hydraulic cylinder (42) is T-shaped. The diameter of the first piston plate (47) is twice the diameter of the second piston plate (48). There are two partition plates (43). The partition plates (43) are parallel to each other. The second cylinder (45) is slidably connected to the hydraulic cylinder (42). The first cylinder (44) and the moving block (46) are both slidably connected to the square shell (41).

4. An automatic pin processing device for high-precision connectors according to claim 2, characterized in that: There is no contact between the bottom end of the square shell (41) and the conveying plate (7). The upper end of the square shell (41) is fixedly connected to the frame (2) through a connecting frame (3). An outlet (8) is opened on one side of the frame (2).

5. An automatic pin processing device for high-precision connectors according to claim 1, characterized in that: The connecting unit (10) includes two U-shaped frames (101). A bolt through-hole (102) is formed in the middle of the U-shaped frame (101). An installation groove (103) is formed inside the open end of the U-shaped frame (101). The two U-shaped frames (101) are fixedly connected by a bolt passing through the bolt through-hole (102). The inner wall of the installation groove (103) is elastically arranged. The U-shaped frame (101) is connected to the positioning column (53) through the installation groove (103). Anti-slip grooves are annularly distributed on the outer side of the positioning column (53).

6. The high-precision automatic connector pin processing equipment according to claim 1, characterized in that: Raised blocks are fixedly connected to the edge of the driving plate (6) at equal intervals in a ring shape. The driving plate (6), the conveying plate (7), and the feeding motor (9) are coaxially arranged.

7. An automatic pin processing device for high-precision connectors according to claim 1, characterized in that: The two circular plates (51) are parallel to each other, and the included angle between the bidirectional threaded rod (52) and the circular plate (51) is 90°. The bidirectional threaded rod (52) and the circular plate (51) are coaxially arranged.

8. An automatic pin processing device for high-precision connectors according to claim 1, characterized in that: A plurality of adjusting units (55) are provided. The adjusting units (55) are annularly and equally distributed between the circular plates (51). The number of the adjusting units (55) is equal to that of the elastic blocks (56).

9. The high-precision automatic connector pin processing equipment according to claim 1, characterized in that: The frame (2) is provided with a bending platform at the lower end of the connecting frame (3). The conveying plate (7) is internally provided with conveying grooves that are annularly and equally distributed for conveying the pins to be bent.

10. A processing method for a high-precision automatic connector pin processing device according to any one of claims 1-9, characterized in that: Step 1: Adjust the bending unit (5) according to the bending requirements of the pins: During the process of bending the pins, first, adjust the bending unit (5) according to the bending requirements of the pins. The adjustment is to adjust the distance between the circular plates (51) by rotating the bidirectional threaded rod (52). During the adjustment of the distance between the circular plates (51), adjust the bending degree of the adjusting unit (55), and then adjust the position of the bending seat (551). Through the position of the bending seat (551), control the contact position between the bending groove (552) and the pins to complete the adjustment. Step 2: Place the pins in the conveying grooves formed inside the conveying plate (7) for conveying: After the adjustment is completed, power on the whole device. After the power-on is completed, the feeding motor (9) drives the conveying plate (7) to rotate, and then conveys the pins through the conveying grooves formed inside the conveying plate (7). Step 3: The pins rotate to the bending platform: When the pins placed inside the conveying plate (7) move to the bending platform, they are bent. Step 4: The driving mechanism (4) drives the bending unit (5) to bend: During the bending process, the convex points provided on the outer side of the driving plate (6) are in a state of squeezing the moving block (46). After the moving block (46) is squeezed, through the first piston plate (47), the second piston plate (48), and the hydraulic oil provided inside the hydraulic cylinder (42), the power is transmitted to the first cylinder (44). The first cylinder (44) pushes the bending unit (5) to move, and then the bending groove (552) provided inside the bending unit (5) contacts the pins, realizing the bending process of the pins. Step Five: Material discharging: After bending is completed, the feeding motor (9) drives the bent pins to continue moving to the discharge port (8), and material is discharged through the position of the discharge port (8) to complete the bending.

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