A split-type irregular connector bending and cutting die

Abstract

The present application relates to the technical field of connector bending die, and discloses a split type special-shaped connector bending and cutting die, which comprises a first die, a first sliding block and a second sliding block are slidably connected to the first die, a second die, a third sliding block and a cutter are slidably connected to the second die, a polishing assembly is used for polishing the cutter, and a collecting assembly is used for collecting pin scraps. Through the setting of the polishing assembly, the cutter can be continuously polished by the polishing roller during movement. The polishing roller is always in close contact with the cutter under the action of the spring telescopic rod. When the cutter moves, the polishing roller is driven to rotate through the rack, the toothed rod and the transmission belt, and the rotating direction is opposite to the moving direction of the cutter, so that the contact area and the polishing effect are increased, the sharpness of the cutter edge is effectively maintained, the burrs, the flash or the tear-shaped section on the pin cutting surface caused by the dulling of the edge is avoided, and the quality of the connector is ensured.

Description

Technical Field

[0001] This invention relates to the field of connector bending die technology, and specifically to a split-type irregular connector bending and cutting die. Background Technology

[0002] Connectors are key components in electronic devices that enable circuit connections. Their pins, as conductive media, need to precisely mate with external circuits or components to ensure stable signal and current transmission. Due to differences in installation space and connection methods among different devices, connector pins often need to be designed with specific lengths and bending angles according to actual assembly requirements. Therefore, a bending process is required to shape the pins into a spatial form that meets installation requirements, while cutting off excess parts to ensure dimensional accuracy and avoid problems such as short circuits and interference caused by excessively long pins. Currently, the bending and cutting of connector pins are usually completed by specialized molds. These molds use sliders to achieve multi-segment bending of the pins and use cutters to cut off excess pins, ensuring that the shape and size of the processed pins meet design standards efficiently and stably, thus satisfying the assembly and use requirements of connectors in various electronic devices.

[0003] However, the existing technology has the following problems:

[0004] After prolonged use, the wear and tear of the cutting blade in existing technologies may cause the blade edge to become dull. A dulled cutting blade will cause burrs and flash on the pin cutting surface, affecting the reliability of the connector pin connection. Replacing the mold or cutting blade will increase production costs and downtime, making it difficult to meet the needs of efficient and high-precision production. Summary of the Invention

[0005] The purpose of this invention is to provide a split-type irregular connector bending and cutting mold to solve the above-mentioned problems, and to overcome the defect that long-term wear of the cutting blade in the prior art may lead to dulling of the cutting edge, as detailed below.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This invention provides a split-type irregular connector bending and cutting mold, comprising: a first mold, on which a first slider and a second slider are slidably connected; a second mold, on which a third slider and a cutter are slidably connected; a grinding assembly for grinding the cutter; and a collecting assembly for collecting pin debris. The first mold and the second mold are connected by multiple limiting pins, and a mold cavity matching the connector is provided between the first mold and the second mold. The first slider, the second slider, and the third slider bend the connector pins by cooperation, and the cutter is used to cut off excess pins. The grinding assembly is mounted on the second mold and includes a grinding roller, which grinds the cutter during its movement.

[0008] Preferably, clamping strips are connected to the first mold and the second mold respectively, the two clamping strips are located above the mold cavity, the second slider is located above the first slider, the cutter is located above the third slider, the first slider and the third slider are located above the two clamping strips, a limit pin is provided between the first slider and the first mold, and the second slider, the third slider and the cutter are driven by external cylinders respectively.

[0009] Preferably, the grinding assembly further includes a square rod connected to the second mold, and two spring telescopic rods are installed on the square rod. The ends of the two spring telescopic rods away from the square rod are connected to a mounting bracket. The grinding roller is rotatably mounted on the mounting bracket and is located on the movement trajectory of the cutter.

[0010] Preferably, the cutter is equipped with a rack, the second mold is rotatably equipped with a first rack and a second rack, the second mold is equipped with two slides, the slides are slidably connected with supports, a return spring is provided between the supports and the slides, and a tension roller is rotatably installed between the two supports.

[0011] Preferably, the first toothed rod meshes with the rack, the second toothed rod meshes with the first toothed rod, and the tension roller, the second toothed rod, and the grinding roller are connected by two transmission belts via pulleys.

[0012] Preferably, the collection assembly includes a first collection chamber disposed within a third slider, the first collection chamber having a first opening located below the grinding roller.

[0013] Preferably, a folding plate is rotatably installed inside the first collection chamber, and a protruding rod is connected to the folding plate. A pry bar is rotatably installed inside the first collection chamber, and the pry bar contacts the protruding rod when it moves. An arc-shaped block is slidably connected to the bottom inner wall of the cutter. A return spring is provided between the arc-shaped block and the bottom inner wall of the cutter. When the first opening of the first collection chamber moves, it passes under the arc-shaped block.

[0014] Preferably, the collection assembly further includes a second collection chamber disposed within the second slider, the second collection chamber having a second opening through which the cutter passes during movement.

[0015] Preferably, two slide rods are slidably connected inside the second collection chamber, and a return spring is provided between the slide rods and the second collection chamber. A set of spring pieces are connected to the slide rods. Two vibration frames are connected inside the second collection chamber, and multiple vibration strips are connected between the two vibration frames. Both slide rods are located on the movement trajectory of the cutter, and the two sets of spring pieces contact the two vibration frames respectively during movement.

[0016] The beneficial effects are:

[0017] 1. This split-type irregular connector bending and cutting mold, through the detachable setting of the first slider, the second slider and the third slider, allows the operator to meet different connector pin bending requirements by replacing the first slider, the second slider and the third slider of different specifications.

[0018] 2. This split-type irregular connector bending and cutting die, through the setting of the grinding component, allows the cutter to be continuously ground by the grinding roller during the movement. The grinding roller is always in contact with the cutter under the action of the spring telescopic rod. When the cutter moves, the grinding roller is driven to rotate through the rack, toothed rod and transmission belt, and the rotation direction is opposite to the movement direction of the cutter, which increases the contact area and grinding effect, effectively keeping the cutter edge sharp and avoiding burrs, flash or tear-like cross-sections on the pin cutting surface due to the dulling of the cutting edge, thus ensuring the quality of the connector.

[0019] 3. This split-type irregular connector bending and cutting mold, through the setting of the collection component, enables the waste generated by pin cutting to be effectively collected by the first collection chamber and the second collection chamber; the first collection chamber guides the waste into the opening by swinging the corner plate to avoid the accumulation of the opening; the second collection chamber uses the vibration frame and vibration bar to make the waste evenly distributed, prevent the waste from falling into the mold cavity and scratching the subsequent connectors, reduce the amount of manual cleaning work, and improve the efficiency and continuity of operation. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2This is a schematic diagram of the first mold structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the second mold structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the third slider structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the grinding component structure of the present invention;

[0026] Figure 6 This is a schematic diagram of the grinding roller structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the first toothed rod structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the transmission belt structure of the present invention;

[0029] Figure 9 This is a schematic diagram of the collection component structure of the present invention;

[0030] Figure 10 This is a schematic diagram of the second collection chamber structure of the present invention;

[0031] Figure 11 This is a schematic diagram of the slide bar structure of the present invention;

[0032] Figure 12 This is a schematic diagram of the vibration frame structure of the present invention.

[0033] The following are the annotations in the attached diagram: 1. Mold No. 1; 2. Mold No. 2; 3. First slider; 4. Second slider; 5. Third slider; 6. Cutting knife; 9. Clamping strip;

[0034] 7. Grinding assembly; 71. Square rod; 72. Spring telescopic rod; 73. Mounting bracket; 74. Grinding roller; 75. Rack; 76. First rack; 77. Second rack; 78. Slide; 79. Support; 710. Tension roller; 711. Drive belt;

[0035] 8. Collection assembly; 81. First collection chamber; 82. Angle plate; 83. Protruding rod; 84. Pry bar; 85. Arc block; 86. Second collection chamber; 87. Sliding rod; 88. Spring piece; 89. Vibration frame; 810. Vibration bar. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0037] Example 1

[0038] When bending and cutting existing connector pins, the cutting blade becomes dull after prolonged wear. When cutting the pins, the dulled blade may produce burrs, flash, or tearing on the cut surface, thus affecting the quality of the connector. This embodiment is invented to solve the above problems.

[0039] Please see Figure 1 - Figure 5 A split-type irregular connector bending and cutting mold includes: a first mold 1, on which a first slider 3 and a second slider 4 are slidably connected; a second mold 2, on which a third slider 5 and a cutter 6 are slidably connected; the first mold 1 and the second mold 2 are connected by multiple limiting pins, and a mold cavity matching the connector is provided between the first mold 1 and the second mold 2; the first slider 3, the second slider 4 and the third slider 5 bend the connector pins by cooperation; and the cutter 6 is used to cut off excess pins.

[0040] Furthermore, please refer to Figure 1 - Figure 5Mold 1 and Mold 2 are each connected to clamping strips 9, which are located above the mold cavity. The second slider 4 is located above the first slider 3, and the cutter 6 is located above the third slider 5. The first slider 3 and the third slider 5 are located above the two clamping strips 9. A limit pin is provided between the first slider 3 and Mold 1. The second slider 4, the third slider 5, and the cutter 6 are driven by external cylinders. The first slider 3, the second slider 4, and the third slider 5 are all detachable, allowing for replacement with different specifications to meet the bending shape requirements of the connector pins. Mold 1 and Mold 2 are also designed as separate units for easy disassembly and cleaning. In use, the second slider 4, the third slider 5, and the cutter 6 are first moved away from the connection point between Mold 1 and Mold 2 by the external cylinders, placing the connector in the mold cavity. The connector pins pass through the two clamping strips 9. At this time, the pin is located between the second slider 4 and the third slider 5. The first slider 3 is fixed on the first mold 1 by a limiting pin. The first mold 1 is in contact with the pin. First, the third slider 5 is driven by the cylinder to move closer to the first slider 3. When the third slider 5 moves, it contacts the pin and completes the bending of the first and second bends of the pin by cooperating with the clamping strip 9 and the first slider 3. Then, the second slider 4 is driven by the cylinder to move closer to the third slider 5. The second slider 4 completes the bending of the third and fourth bends of the pin by cooperating with the first slider 3 and the third slider 5. At this time, the bending operation of the pin is completed. Then, the cutter 6 is driven by the cylinder to move closer to the second slider 4. The cutting edge of the cutter 6 contacts the pin and cuts off the excess part of the pin. At this time, the bending and cutting operation of the connector pin is completed. The connector is disassembled and the next operation is carried out.

[0041] In addition, please see Figure 2 , Figure 5 - Figure 6 The grinding assembly 7 is used to grind the cutter 6. The grinding assembly 7 is installed on the second mold 2. The grinding assembly 7 includes a grinding roller 74, which grinds the cutter 6 during its movement. The grinding assembly 7 also includes a square rod 71, which is connected to the second mold 2. Two spring telescopic rods 72 are installed on the square rod 71. The ends of the two spring telescopic rods 72 away from the square rod 71 are connected to a mounting frame 73. The grinding roller 74 is rotatably mounted on the mounting frame 73. The grinding roller 74 is located on the movement trajectory of the cutter 6. The two spring telescopic rods 72 on the square rod 71 continuously apply downward elastic force, so that the mounting frame 73 and the grinding roller 74 always maintain a downward pushing force. When the cutter 6 moves, the grinding roller 74 can press against the surface and cutting edge of the cutter 6, and use the force of the moving cutter 6 to grind the cutter 6, maintain the sharpness of the cutting edge of the cutter 6, and thus ensure the quality of the cutting operation.

[0042] In addition, please see Figure 7 - Figure 8A rack 75 is mounted on the cutter 6. A first rack 76 and a second rack 77 are rotatably mounted on the second mold 2. Two slides 78 are mounted on the second mold 2, and supports 79 are slidably connected to the slides 78. A return spring is provided between the support 79 and the slide 78. A tension roller 710 is rotatably mounted between the two supports 79. The first rack 76 meshes with the rack 75, and the second rack 77 meshes with the first rack 76. Two transmission belts 711 are connected to the tension roller 710, the second rack 77, and the grinding roller 74 via pulleys. When the cutter 6 moves, the rack 75 drives the first rack 76 to rotate, and the first rack 76 drives the second rack 77 to rotate. The tension roller 710 maintains an upward elastic force using the return springs between the two supports 79 and the two slides 78, so that the tension roller 710 can tension the two transmission belts 711. When the second rack 77 rotates, it drives the grinding roller 74 to rotate via the transmission belts 711. (Reference) Figure 7 When the cutter 6 moves to the left, the grinding roller 74 rotates counterclockwise; when the cutter 6 moves to the right, the grinding roller 74 rotates clockwise. This ensures that the movement direction of the bottom area of ​​the grinding roller 74 is always opposite to the movement direction of the cutter 6, thereby increasing the contact area between the grinding roller 74 and the cutter 6 and improving the grinding effect.

[0043] Example 2

[0044] Based on Embodiment 1, the pin debris cut by the cutter 6 falls onto the second slider 4 and the third slider 5. When the second slider 4 and the third slider 5 move, some of the pin debris may fall into the mold cavity, thereby scratching the connector that is bent later. Therefore, the pin debris needs to be cleaned up by the workers in a timely manner, which increases the workload of the workers. This embodiment is invented to solve the above problems.

[0045] Please see Figure 2 , Figure 9 - Figure 10 The collection component 8 is used to collect lead debris. The collection component 8 includes a first collection chamber 81, which is disposed inside the third slider 5. The first collection chamber 81 has a first opening located below the grinding roller 74. The collection component 8 also includes a second collection chamber 86, which is disposed inside the second slider 4. The second collection chamber 86 has a second opening, and the cutter 6 passes over the second opening when it moves. Part of the lead debris cut by the cutter 6 falls into the first collection chamber 81, and the other part falls into the second collection chamber 86. By collecting the lead debris through the first collection chamber 81 and the second collection chamber 86, the lead debris is prevented from falling into the mold cavity.

[0046] It is worth noting that, please refer to Figure 9An angle plate 82 is rotatably installed inside the first collection chamber 81, and a protruding rod 83 is connected to the angle plate 82. A pry bar 84 is rotatably installed inside the first collection chamber 81. When the pry bar 84 moves, it contacts the protruding rod 83. An arc-shaped block 85 is slidably connected to the bottom inner wall of the cutter 6. A return spring is provided between the arc-shaped block 85 and the bottom inner wall of the cutter 6. When the first opening of the first collection chamber 81 moves, it passes under the arc-shaped block 85. When the third slider 5 moves, it drives the first collection chamber 81 and the angle plate 82 inside it to move synchronously. The arc-shaped block 85 uses the elastic force of the return spring to abut against the top surface of the third slider 5. When the first opening of the first collection chamber 81 moves to below the arc-shaped block 85, the arc-shaped block 85 disengages from the top surface of the third slider 5 and pops downward. After the arc-shaped block 85 pops out downwards, it contacts the pry bar 84 and causes the pry bar 84 to swing. When the pry bar 84 swings, it pushes the angle plate 82 upwards through the protrusion 83. The angle plate 82 acts as a guide, and the lead debris falls into the first collection chamber 81 along the angle plate 82. The angle plate 82 can drive the lead debris to move deeper into the first collection chamber 81 by swinging, avoiding the accumulation of too much lead debris below the first opening and the occurrence of less lead debris distributed in the depth of the first collection chamber 81, thus ensuring the effective volume of the first collection chamber 81. As the first opening leaves the area below the arc-shaped block 85, the arc-shaped block 85 slides along the edge of the first opening and resets into the cutter 6 and abuts against the top surface of the third slider 5 again.

[0047] It is worth mentioning that you should refer to Figure 10 - Figure 12 Two sliding rods 87 are slidably connected inside the second collection chamber 86. A return spring is provided between the sliding rods 87 and the second collection chamber 86. A set of spring pieces 88 are connected to the sliding rods 87. Two vibration frames 89 are connected inside the second collection chamber 86. Multiple vibration strips 810 are connected between the two vibration frames 89. Both sliding rods 87 are located on the movement trajectory of the cutter 6. The two sets of spring pieces 88 contact the two vibration frames 89 respectively during movement. During the process of the cutter 6 cutting the pin, the cutter 6 contacts the two sliding rods 87 and pushes the two sliding rods 87. When the cutter 6 disengages from the two sliding rods 87, the spring pieces 88 return to their original positions. After the lever 87, the two slide bars 87 are reset by the elastic force of the return spring. When the two slide bars 87 move, the two slide bars 87 actuate the two vibration frames 89 through the two sets of spring pieces 88. The spring pieces 88, vibration frames 89 and vibration bars 810 are all made of elastic material. After the two vibration frames 89 are actuated by the two sets of spring pieces 88, they vibrate and drive multiple vibration bars 810 to vibrate. The multiple vibration bars 810 and the two vibration frames 89 can transmit the vibration to the pin waste in the second collection chamber 86 through vibration, so as to make the pin waste evenly distributed and avoid the pin waste from accumulating too high.

[0048] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A split profile connector bending and cutting die, characterized by, Include: No. 1 mold (1), the first slider (3) and the second slider (4) are slidably connected on the No. 1 mold (1); No. 2 mold (2), the third slider (5) and the cutter (6) are slidably connected on the No. 2 mold (2); Polishing assembly (7) for polishing cutter (6); Collecting assembly (8) for collecting pin scrap; The No. 1 mold (1) and the No. 2 mold (2) are connected by a plurality of limit pins, a mold cavity matched with the connector is arranged between the No. 1 mold (1) and the No. 2 mold (2), the first slider (3), the second slider (4) and the third slider (5) are matched to bend the connector pin, and the cutter (6) is used to cut off the excess pin; The polishing assembly (7) is installed on the No. 2 mold (2), the polishing assembly (7) comprises a polishing roller (74), and the polishing roller (74) polishes the cutter (6) during movement of the cutter (6); The collecting assembly (8) comprises a first collecting cabin (81), the first collecting cabin (81) is arranged in the third slider (5), the first collecting cabin (81) is provided with a first opening, and the first opening is located below the polishing roller (74); The polishing assembly (7) further comprises a square bar (71), the square bar (71) is connected to the No. 2 mold (2), two spring telescopic rods (72) are installed on the square bar (71), one end of the two spring telescopic rods (72) away from the square bar (71) is connected with a mounting bracket (73), the polishing roller (74) is rotatably installed on the mounting bracket (73), and the polishing roller (74) is located on the movement track of the cutter (6); A rack (75) is installed on the cutter (6), a first toothed rod (76) and a second toothed rod (77) are rotatably installed on the No. 2 mold (2), two slide seats (78) are installed on the No. 2 mold (2), a support (79) is slidably connected to the slide seat (78), a return spring is arranged between the support (79) and the slide seat (78), and a tensioning roller (710) is rotatably installed between the two supports (79). The first toothed rod (76) is engaged with the rack (75), the second toothed rod (77) is engaged with the first toothed rod (76), and two transmission belts (711) are sleeved between the tensioning roller (710), the second toothed rod (77) and the polishing roller (74) through the belt pulley.

2. The split profile connector bending and cutting die of claim 1, wherein: The No. 1 mold (1) and the No. 2 mold (2) are respectively connected with clamping strips (9), the two clamping strips (9) are located above the mold cavity, the second slider (4) is located above the first slider (3), the cutter (6) is located above the third slider (5), the first slider (3) and the third slider (5) are located above the two clamping strips (9), a limit pin is arranged between the first slider (3) and the No. 1 mold (1), and the second slider (4), the third slider (5) and the cutter (6) are respectively driven by external cylinders.

3. The split profile connector bending and cutting die of claim 1, wherein: The first collecting cabin (81) is rotationally installed with a corner plate (82), the corner plate (82) is connected with a convex rod (83), the first collecting cabin (81) is rotationally installed with a crowbar (84), the crowbar (84) is in contact with the convex rod (83) when moving, the bottom inner wall of the cutter (6) is slidably connected with an arc block (85), the arc block (85) and the bottom inner wall of the cutter (6) are provided with a reset spring, and the first opening of the first collecting cabin (81) passes below the arc block (85) when moving.

4. The split profile connector bending and cutting die of claim 3, wherein: The collecting assembly (8) further comprises a second collecting cabin (86), the second collecting cabin (86) is arranged in the second sliding block (4), the second collecting cabin (86) is provided with a second opening, and the cutter (6) passes above the second opening when moving.

5. The split profile connector bending and cutting die of claim 4, wherein: The second collecting cabin (86) is slidably connected with two slide rods (87), reset springs are arranged between the slide rods (87) and the second collecting cabin (86), a group of elastic sheets (88) are connected on the slide rods (87), two vibration racks (89) are connected in the second collecting cabin (86), a plurality of vibration bars (810) are connected between the two vibration racks (89), the two slide rods (87) are located on the movement track of the cutter (6), and the two groups of elastic sheets (88) are respectively in contact with the two vibration racks (89) when moving.

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