Automatic bending device for PIN pin

Abstract

The application discloses a PIN needle automatic bending device, which comprises a main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving mechanism connected with the main body frame, a front upper and lower moving

Description

Technical Field

[0001] This invention relates to the field of PIN bending technology, specifically an automatic PIN bending device. Background Technology

[0002] The finished connector consists of a plastic shell and bent pins. Directly inserting bent pins into the product to create the finished product would be costly, as bent pins are more expensive than straight pins, and they are prone to deformation during transportation and handling, making it impossible to guarantee consistent angles. Currently, for such products, straight pins are typically pressed into the product, and then the bent pins are manually bent.

[0003] There are generally three types of pin bending techniques used in the industry:

[0004] 1. The process of manually inserting an auxiliary jig into the straight pin and then manually pulling the jig to complete the bending of the straight pin is inefficient and wastes manpower. To expand production, it is necessary to realize automated bending as soon as possible.

[0005] 2. Manual bending cannot guarantee that the bending angle will be correct every time, resulting in deviations in quality consistency, which does not meet quality control requirements.

[0006] 3. Using bending fixtures for bending, which generally use a rotary cylinder to achieve the bending action, and usually a rigid bending head is inserted into the pin. However, the rotary cylinder often achieves a 90-degree bend. This method is not very stable, has high cost, and cannot adjust the bending angle of the pin. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to overcome the above-mentioned technical defects and provide an automatic PIN bending device that can complete the automatic bending operation of PIN pins, ensure the accuracy of the PIN pin bending angle, and adjust the PIN pin bending angle.

[0008] To solve the above problems, the technical solution of the present invention is as follows: an automatic PIN bending device, comprising a main frame, a vertical moving mechanism connected to the front of the main frame, an installation platform connected to the front of the vertical moving mechanism, a front-back moving mechanism above the installation platform, a PIN bending angle adjusting mechanism connected above the front-back moving mechanism, a PIN bending mechanism connected above the PIN bending angle adjusting mechanism, and a positioning carrier for placing products below the PIN bending mechanism;

[0009] A product positioning mechanism is connected to the lower front part of the main frame;

[0010] A bending angle limiting block and a product pressing block are installed below the installation platform.

[0011] Furthermore, the main frame includes a motherboard, a bottom fixing plate is installed below the motherboard, and side support plates are connected between the rear two sides of the motherboard and the bottom fixing plate.

[0012] Furthermore, the up-and-down moving mechanism includes up-and-down cylinders and two slider guide rails A. The up-and-down cylinders are installed behind the main board, and the two slider guide rails A are both installed on the main board. A moving plate is installed on the slider guide rails A. A moving plate connecting block and an up-and-down cylinder floating joint are connected between the moving plate and the up-and-down cylinders in sequence from top to bottom.

[0013] Furthermore, the installation platform includes an installation plate, and side connecting plates are connected to both ends of the installation plate. The side connecting plates are mounted on the movable large plate.

[0014] Furthermore, the forward and backward moving mechanism includes an ejection cylinder and two slider guide rails B. The ejection cylinder is installed in front of the moving plate, and the two slider guide rails B are installed on both sides of the mounting plate. A moving plate is installed above the slider guide rails B, and an ejection cylinder floating joint is connected between the moving plate and the ejection cylinder.

[0015] Furthermore, the PIN bending angle adjustment mechanism includes two adjustment blocks A and two adjustment blocks B. The two adjustment blocks A are respectively installed on the upper sides of the motion plate, and the two adjustment blocks B are respectively installed on the two adjustment blocks A.

[0016] Furthermore, the upper surface of the adjusting block A and the lower surface of the adjusting block B are both arc-shaped, and both the adjusting block A and the adjusting block B are provided with waist-shaped holes.

[0017] Furthermore, the PIN bending mechanism includes two slider fixing blocks, which are respectively connected to the adjusting blocks B on both sides. Slider guide rails B are installed on the inner side of each of the two slider fixing blocks. A bending rod is connected between the two slider guide rails B. An auxiliary bending cylinder connecting block is connected above the bending rod. An auxiliary bending cylinder is installed above the auxiliary bending cylinder connecting block. A rolling pin is connected to the lower end of the bending rod through a snap ring. PIN pin grooves for placing PIN pins are provided at both ends of the rolling pin.

[0018] Furthermore, both the bending angle limiting block and the product pressing block are installed below the mounting plate.

[0019] Furthermore, the positioning mechanism is located below the installation platform. The positioning mechanism includes a fixing block, which is mounted on the main board. A slide cylinder is mounted on the fixing block, and an auxiliary fixing block is mounted above the slide cylinder.

[0020] The advantages of this invention compared to existing technologies are:

[0021] 1. This invention enables automatic bending of PIN pins, eliminating the need for manual insertion of an auxiliary fixture into the straight PIN pin and then manual pulling of the fixture to complete the bending, thus improving work efficiency.

[0022] 2. By using the PIN bending mechanism in conjunction with the bending angle limiting block, the bending angle of the PIN can be made accurate and the quality consistency is good.

[0023] 3. The bending angle of the PIN pin can be adjusted by the PIN pin bending angle adjustment mechanism.

[0024] 4. The PIN bending mechanism uses a rolling pin to achieve rolling friction to bend the PIN, which will not damage the surface of the PIN and ensures the quality of the PIN after bending.

[0025] 5. The device uses a slider guide rail assembly in conjunction with a cylinder for operation, resulting in a stable structure.

[0026] 6. This invention uses standard cylinders with linear motion throughout, resulting in low cost. Attached Figure Description

[0027] Figure 1 This is a perspective view of the PIN pin of the example product of this invention before bending;

[0028] Figure 2 This is a three-dimensional view of the PIN pin of the example product of this invention after bending;

[0029] Figure 3 This is a perspective view of the application of the present invention;

[0030] Figure 4 This is a rear view of the present invention;

[0031] Figure 5 This is the left view of the present invention;

[0032] Figure 6 This is a top view of the present invention;

[0033] Figure 7 This is a partial schematic diagram of the PIN bending mechanism of the present invention.

[0034] As shown in the figure: 1. Main board; 2. Bottom fixing plate; 3. Side support plate; 4. Upper and lower cylinders; 5. Slider guide rail A; 6. Moving plate; 7. Moving plate connecting block; 8. Upper and lower cylinder floating joint; 9. Mounting plate; 10. Side connecting plate; 11. Push-out cylinder; 12. Slider guide rail B; 13. Moving plate; 14. Push-out cylinder floating joint; 15. Adjusting block A; 16. Adjusting block B; 17. Slider fixing block; 18. Slider guide rail C; 19. Bending rod; 20. Auxiliary bending cylinder connecting block; 21. Auxiliary 21. Bending cylinder; 22. Rolling pin; 23. Fixing block; 24. Slide cylinder; 25. Auxiliary fixing block; 26. Bending angle limit block; 27. Product pressing block; 28. Positioning carrier; 100. Main frame; 200. Up and down moving mechanism; 300. Installation platform; 400. Front and back moving mechanism; 500. PIN bending angle adjustment mechanism; 600. PIN bending mechanism; 700. Positioning mechanism; 101. Plastic shell; 102. Straight PIN; 103. Bending PIN. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Example

[0036] like Figure 1-2 As shown, this semi-finished connector consists of a plastic housing 101 and two straight pins 102, while the finished connector consists of a plastic housing 101 and two bent pins 103.

[0037] like Figure 3-7 As shown, an automatic PIN bending device includes a main frame 100, which is used to fix other mechanisms in the device. A vertical moving mechanism 200 is connected to the front of the main frame 100, and a mounting platform 300 is connected to the front of the vertical moving mechanism 200. A front-back moving mechanism 400 is provided above the mounting platform 300, and a PIN bending angle adjustment mechanism 500 is connected above the front-back moving mechanism 400. The PIN bending angle adjustment mechanism 500 can adjust the bending angle of the PIN according to the requirements of the PIN bending angle. A PIN bending mechanism 600 is connected above the PIN bending angle adjustment mechanism 500, and the PIN bending mechanism 600 performs bending work on the PIN. A positioning carrier 28 for placing products is provided below the PIN bending mechanism 600, and the positioning carrier 28 is used to place connectors with inserted straight pins.

[0038] The lower front part of the main frame 100 is connected to a product positioning mechanism 700, which is used to position the product and ensure that the product will not be misaligned when placed on the positioning carrier 28.

[0039] Below the mounting platform 300, there is a bending angle limit block 26 and a product pressure block 27. The bending angle limit block 26 is used to control the bending angle of the PIN bending mechanism 600 to prevent the bending angle from being too large.

[0040] like Figure 3 As shown, the main frame 100 includes a main board 1, a bottom fixing plate 2 installed below the main board 1, and side support plates 3 connected to the bottom fixing plate 2 on both rear sides of the main board 1. The main board 1, the bottom fixing plate 2, and the side support plates 3 are connected together to form the main frame 100 of the device.

[0041] like Figure 3-4 As shown, the vertical movement mechanism 200 includes vertical cylinders 4 and two slider guide rails A5. The vertical cylinders 4 are mounted behind the main board 1, and both slider guide rails A5 are mounted on the main board 1. A movable plate 6 is mounted on the slider guide rails A5. A movable plate connecting block 7 and a vertical cylinder floating joint 8 are connected between the movable plate 6 and the vertical cylinders 4 from top to bottom. Driven by the vertical cylinders 4, the movable plate 6 moves vertically along the slider guide rails A5.

[0042] like Figure 3 As shown, the installation platform 300 includes an installation plate 9, with side connecting plates 10 connected to both ends of the installation plate 9. The side connecting plates 10 are installed on the movable large plate 6.

[0043] like Figure 6 As shown, the forward and backward moving mechanism 400 includes a push-out cylinder 11 and two slider guide rails B12. The push-out cylinder 11 is installed in front of the moving plate 6, and the two slider guide rails B12 are installed on both sides of the mounting plate 9. A moving plate 13 is installed above the slider guide rails B12, and a push-out cylinder floating joint 14 connects the moving plate 13 and the push-out cylinder 11. The push-out cylinder 11 drives the moving plate 13 and the components mounted on the moving plate 13 to move forward and backward.

[0044] like Figure 5 As shown, the PIN bending angle adjustment mechanism 500 includes two adjusting blocks A15 and two adjusting blocks B16. The two adjusting blocks A15 are respectively installed on the upper sides of the moving plate 13, and the two adjusting blocks B16 are respectively installed on the two adjusting blocks A15. The PIN bending mechanism 600 is connected to the adjusting blocks B16. By appropriately adjusting the installation positions of the adjusting blocks A15 and B16, the angle of the PIN bending mechanism 600 can be adjusted, thereby adjusting the bending angle of the PIN.

[0045] like Figure 5-6 As shown, the upper surface of adjusting block A15 and the lower surface of adjusting block B16 are both arc-shaped, and both adjusting blocks A15 and B16 are provided with oblong holes. The angle can be adjusted appropriately when the screws are tightened.

[0046] like Figure 3 , Figure 7 As shown, the PIN bending mechanism 600 includes two slider fixing blocks 17, which are respectively connected to adjusting blocks B16 on both sides. Slider guide rails C18 are installed on the inner sides of both slider fixing blocks 17. A bending rod 19 is connected between the two slider guide rails C18. An auxiliary bending cylinder connecting block 20 is connected above the bending rod 19, and an auxiliary bending cylinder 21 is installed above the auxiliary bending cylinder connecting block 20. The lower end of the bending rod 19 is connected to a rolling pin 22 via a snap ring. PIN pin slots for placing PIN pins are provided at both ends of the rolling pin 22. The slider guide rails C18 are mounted on the slider fixing blocks 17 for smooth up-and-down movement and guidance of the bending rod 19. The auxiliary bending cylinder 21 provides power for the up-and-down movement of the bending rod 19. The rolling pin 22 is connected to the bending rod 19 by a snap ring. Two pin slots are provided in the middle of the rolling pin 22. The pins are inserted into the pin slots on the rolling pin 22. The auxiliary bending cylinder 21 retracts upward to bend the pins.

[0047] like Figure 5 As shown, both the bending angle limiting block 26 and the product pressing block 27 are installed below the mounting plate 9.

[0048] like Figure 5 As shown, the positioning mechanism 700 is located below the mounting platform 300. The positioning mechanism 700 includes a fixing block 23, which is mounted on the main board 1. A slide cylinder 24 is mounted above the fixing block 23, and an auxiliary fixing block 25 is mounted above the slide cylinder 24. Driven by the slide cylinder 24, the front end of the auxiliary fixing block 25 is inserted into the connector plug for secondary positioning to ensure accurate product positioning.

[0049] In practical use:

[0050] Initially, the upper and lower cylinders 4 and 11 are in the push-out state, while the auxiliary bending cylinder 21 is in the retracted state. There is a large gap between the entire assembly and the positioning carrier 28. At this time, the connector with the straight pin 102 already inserted is placed into the positioning carrier 28. Then, it is started. First, the slide cylinder 24 pushes out. At this time, the auxiliary fixing block 25 is inserted into the connector plug for secondary positioning to ensure accurate product positioning.

[0051] Then, the upper and lower cylinders 4 retract, and the mounting plate 9 and the components mounted on it approach the product. The product pressing block 27 presses and fixes the connector. Then, the auxiliary bending cylinder 21 extends, and then the ejection cylinder 11 retracts. At this time, the rolling pin 22 connected to the bending rod 19 is positioned below the PIN pin. Next, the auxiliary bending cylinder 21 retracts, and under the action of the bending angle limiting block 26, the PIN pin is bent to 90 degrees. If the bending angle needs to be adjusted to other degrees, the bending angle of the PIN pin can be adjusted by adjusting the installation positions of the adjusting blocks A15 and B16. Because it is a rolling pin, the surface of the rolling pin 22 and the straight PIN pin 102 undergoes rolling friction during the bending process, preventing damage to the insert surface. Next, the slide cylinder 24 retracts, and at the same time, the upper and lower cylinders 4 extend, then the ejection cylinder 11 extends, and the auxiliary bending cylinder 21 retracts, removing the product from the positioning carrier 28. At this point, one workflow is completed.

[0052] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. An automatic PIN bending device, comprising a main frame (100), characterized in that: The main frame (100) is connected to a vertical moving mechanism (200) at the front, and a mounting platform (300) is connected to the front of the vertical moving mechanism (200). A front-back moving mechanism (400) is provided above the mounting platform (300). A PIN bending angle adjustment mechanism (500) is connected above the front-back moving mechanism (400). A PIN bending mechanism (600) is connected above the PIN bending angle adjustment mechanism (500). A product placement carrier (28) is provided below the PIN bending mechanism (600). The product positioning mechanism (700) is connected to the lower front part of the main frame (100). A bending angle limiting block (26) and a product pressing block (27) are installed below the installation platform (300). The PIN bending angle adjustment mechanism (500) includes two adjustment blocks A (15) and two adjustment blocks B (16); The PIN bending mechanism (600) includes two slider fixing blocks (17), which are respectively connected to the adjusting blocks B (16) on both sides. Slider guide rails C (18) are installed on the inner side of each of the two slider fixing blocks (17). A bending rod (19) is connected between the two slider guide rails C (18). An auxiliary bending cylinder connecting block (20) is connected above the bending rod (19). An auxiliary bending cylinder (21) is installed above the auxiliary bending cylinder connecting block (20). A rolling pin (22) is connected to the lower end of the bending rod (19) through a snap ring. PIN pin grooves for placing PIN pins are provided at both ends of the rolling pin (22). The up-down moving mechanism (200) includes an up-down cylinder (4) and two slider guide rails A (5). The up-down cylinder (4) is installed behind the main board (1). The two slider guide rails A (5) are both installed on the main board (1). A movable plate (6) is installed on the slider guide rails A (5). A movable plate connecting block (7) and an up-down cylinder floating joint (8) are connected between the movable plate (6) and the up-down cylinder (4) from top to bottom. The forward and backward moving mechanism (400) includes an ejection cylinder (11) and two slider guide rails B (12). The ejection cylinder (11) is installed in front of the moving plate (6), and the two slider guide rails B (12) are installed on both sides of the mounting plate (9). A moving plate (13) is installed above the slider guide rails B (12), and an ejection cylinder floating joint (14) is connected between the moving plate (13) and the ejection cylinder (11). The two adjustment blocks A (15) are respectively installed on the upper sides of the motion plate (13), and the two adjustment blocks B (16) are respectively installed on the two adjustment blocks A (15); The upper surface of the adjusting block A (15) and the lower surface of the adjusting block B (16) are both arc-shaped, and both the adjusting block A (15) and the adjusting block B (16) are provided with waist-shaped holes; The bending angle limiting block (26) and the product pressing block (27) are both installed below the mounting plate (9).

2. The PIN automatic bending device according to claim 1, characterized in that: The main frame (100) includes a main board (1), a bottom fixing plate (2) is installed below the main board (1), and side support plates (3) are connected between the rear sides of the main board (1) and the bottom fixing plate (2).

3. The PIN automatic bending device according to claim 1, characterized in that: The installation platform (300) includes an installation plate (9), and side connecting plates (10) are connected to both ends of the installation plate (9). The side connecting plates (10) are installed on the movable large plate (6).

4. The PIN pin automatic bending device according to claim 1, characterized in that: The positioning mechanism (700) is located below the installation platform (300). The positioning mechanism (700) includes a fixing block (23), which is mounted on the main board (1). A slide cylinder (24) is mounted above the fixing block (23), and an auxiliary fixing block (25) is mounted on the slide cylinder (24).

Images