A riveting mechanism for cylindrical pins

Abstract

The utility model relates to a kind of riveting mechanism of cylindrical pin, including U-shaped plate, the U-shaped plate front and rear sides are all provided with through slot, the through slot is all fixedly connected with cylinder, the cylinder corresponding one end is all provided with first threaded hole, the first threaded hole is all threadedly connected with limit threaded rod, the limit threaded rod end away from cylinder is all fixedly connected with punch, the U-shaped plate left and right sides are close to the front and rear sides and are all provided with T-shaped groove, by the mutual cooperation between cylinder, transparent plate, discharge cylinder, arc plate and the structure, cylindrical pin can be placed in arc plate, elastic cloth is placed on the surface of cylindrical pin, rotationally connected threaded rod, arc plate is moved upwards by connecting threaded rod, arc plate drives elastic rope to stretch, arc plate drives elastic cloth to move, rectangular frame cooperates fixed plate to stretch elastic cloth, and elastic cloth limits cylindrical pin.

Description

Technical Field

[0001] This utility model relates to the field of cylindrical pin technology, and in particular to a riveting mechanism for cylindrical pins. Background Technology

[0002] A pin, also known as a rivet, is a cylindrical part made of wood, metal, or other materials. It is used to fasten several separate objects together or as a support to suspend one object from another. Cylindrical pins require riveting during manufacturing.

[0003] A search revealed a riveting mechanism for cylindrical pins, disclosed in publication number CN201988670U. This mechanism is used to rivet cylindrical pins into pin holes drilled in a workpiece. It includes a positioning plate with clamps and grippers for holding and fixing the workpiece. The lower opening of the pin hole is close to a lower punch fixed to a lower die holder, and the upper opening of the pin hole faces an upper punch fixed to an upper die holder. The upper die holder is connected to a vertical drive cylinder. Through the combined action of the upper and lower punches, the upper and lower ends of the cylindrical pin are simultaneously compressed and deformed, thus completing the riveting task.

[0004] The aforementioned comparative documents propose riveting both ends of the cylindrical pin simultaneously. However, the vertically positioned riveting device can cause the cylindrical pin to shift during riveting, and residue will splash during riveting. The existing technology does not have a protective function, and the friction is relatively large when riveting the cylindrical pin, which may lead to uneven deformation. Utility Model Content

[0005] The purpose of this invention is to provide a riveting mechanism for cylindrical pins to solve the problems mentioned in the background art.

[0006] The present invention relates to a riveting mechanism for cylindrical pins, comprising a U-shaped plate, wherein through slots are provided on both the front and rear sides of the U-shaped plate, and cylinders are fixedly connected in each through slot. A first threaded hole is provided at the corresponding end of each cylinder, and a limiting threaded rod is threadedly connected in each of the first threaded holes. A punch is fixedly connected to the end of each limiting threaded rod away from the cylinder. T-shaped slots are provided on both the left and right sides of the U-shaped plate near the front and rear sides, and T-shaped blocks are movably connected in each of the T-shaped slots. A transparent plate is fitted on the outer edge of the U-shaped plate, and the side of the T-shaped block away from the U-shaped plate is fixedly connected to the side of the transparent plate.

[0007] In one embodiment, a second threaded hole is provided at the center of the bottom of the U-shaped plate, and a connecting threaded rod is threaded into the second threaded hole. An arc-shaped plate is inserted into the top of the connecting threaded rod, and elastic ropes are fixedly connected to the bottom of the arc-shaped plate near the front and rear sides. Two blind holes are provided at the bottom of the U-shaped plate, and the bottom ends of the elastic ropes are fixedly connected to the adjacent blind holes.

[0008] In one embodiment, two slots are provided on both the left and right sides of the arc-shaped plate, and an elastic cloth is provided through the two slots on the same side. Two rectangular frames are fixedly connected to the bottom of the inner cavity of the U-shaped plate near the left and right sides. The elastic cloth passes through the adjacent rectangular frames on the left and right sides and is fixedly connected to the fixing plates.

[0009] In one embodiment, the top of the transparent plate is provided with connecting grooves near the front and rear sides, and a vertical tube is provided through the connecting grooves. The outer edge of the vertical tube is fixedly connected with a fixing ring near the top and bottom. The bottom end of the vertical tube is fixedly connected with a discharge cylinder, and the top of the discharge cylinder is provided with a through hole. The inner cavity of the vertical tube, the through hole, and the inner cavity of the discharge cylinder are interconnected.

[0010] In one embodiment, a movable rod is provided through the inner cavity of the vertical tube, the bottom end of the movable rod passes through a through hole and extends into the inner cavity of the discharge cylinder, and is fixedly connected to a piston.

[0011] In one embodiment, a pressing plate is fixedly connected to the top of the movable rod, and a second magnet is fixedly connected to the bottom of the pressing plate near both the front and rear sides. The bottom of each of the second magnets is fitted with a first magnet.

[0012] In one embodiment, a first U-shaped block is fixedly connected to the top of the fixed ring near both the front and rear sides. A swing plate is hinged to the inner cavity of each of the first U-shaped blocks. A second U-shaped block is hinged to the outer edge of each swing plate near the top. A limit plate is fixedly connected to the side of each second U-shaped block near the movable rod. The limit plate is sleeved on the outer edge of the movable rod. The bottom of the first magnet is fixedly connected to the top of the adjacent limit plate.

[0013] The beneficial effects provided by this utility model are:

[0014] By coordinating the components such as the cylinder, transparent plate, discharge cylinder, and arc-shaped plate, a cylindrical pin can be placed inside the arc-shaped plate, with an elastic cloth covering its surface. Rotating the connecting threaded rod moves the arc-shaped plate upwards, stretching the elastic rope and moving the elastic cloth. A rectangular frame, in conjunction with a fixing plate, further stretches the elastic cloth, limiting its position on the cylindrical pin. Once the pin's ends are aligned with the punch, the connecting threaded rod stops rotating, the transparent plate is placed over the U-shaped plate, and the T-block enters the adjacent T-slot. Moving the vertical tube forward and backward moves the fixing ring, which in turn moves the movable rod and discharge cylinder, bringing the discharge cylinder to the ends of the cylindrical pin. Adjusting the swing plate then... The second U-shaped block drives the limiting plate to swing, which in turn drives the first magnet to swing. The first magnet moves away from the second magnet and moves the pressing plate downward. The pressing plate drives the movable rod to move downward, which in turn drives the piston to move downward. The piston moves inside the discharge cylinder, dripping lubricating oil from inside the discharge cylinder onto the cylindrical pin, thereby reducing friction and making the deformation more uniform. Then, the cylinder is activated, and the cylinder drives the punch to move through the limiting threaded rod. The punch performs riveting on both ends of the cylindrical pin. The transparent plate can block impurities generated during riveting. When different sizes of cylindrical pins are needed, the punch is rotated, which drives the limiting threaded rod to rotate, disassembling the punch from the cylinder, thus enabling riveting with cylindrical pins of different sizes. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is an exploded view of the present invention;

[0017] Figure 3 This is a schematic diagram of the U-shaped plate structure of the component of this utility model;

[0018] Figure 4 This is a schematic diagram of the arc-shaped plate structure of the component of this utility model;

[0019] Figure 5 This is a schematic diagram of the punch structure of the component of this utility model;

[0020] Figure 6 This is an exploded view of the vertical tube of the component of this utility model;

[0021] Figure 7 This is a schematic diagram of the swing plate structure of the component of this utility model;

[0022] Figure 8 This is a schematic diagram of the structure of the second magnet in the component of this utility model.

[0023] In the attached diagram: 1. U-shaped plate; 2. Transparent plate; 3. Cylinder; 4. T-shaped block; 5. Arc-shaped plate; 6. Elastic cloth; 7. Elastic rope; 8. Connecting threaded rod; 9. Rectangular frame; 10. Fixing plate; 11. Punch; 12. Limiting threaded rod; 13. Vertical tube; 14. Fixing ring; 15. Movable rod; 16. Piston; 17. Pressing plate; 18. Discharge cylinder; 19. Swinging plate; 20. First U-shaped block; 21. Second U-shaped block; 22. Limiting plate; 23. First magnet; 24. Second magnet. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.

[0025] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0026] In one embodiment, such as Figure 1-8As shown, a riveting mechanism for a cylindrical pin includes a U-shaped plate 1. Through slots are provided on both the front and rear sides of the U-shaped plate 1, and cylinders 3 are fixedly connected to each slot. A first threaded hole is provided at one end of each cylinder 3, and a limiting threaded rod 12 is threadedly connected to each of these first threaded holes. A punch 11 is fixedly connected to the end of the limiting threaded rod 12 away from the cylinder 3. T-shaped slots are provided on both the left and right sides of the U-shaped plate 1 near the front and rear sides, and T-shaped blocks 4 are movably connected to each T-shaped slot. A transparent plate 2 is fitted over the outer edge of the U-shaped plate 1. The side of the T-shaped block 4 away from the U-shaped plate 1 is fixedly connected to the side of the transparent plate 2. The bottom of the inner cavity of the U-shaped plate 1... A second threaded hole is provided at the center of the part, and a connecting threaded rod 8 is threaded into the second threaded hole. An arc-shaped plate 5 is inserted into the top of the connecting threaded rod 8. An elastic rope 7 is fixedly connected to the bottom of the arc-shaped plate 5 near the front and rear sides. Two blind holes are provided at the bottom of the inner cavity of the U-shaped plate 1. The bottom end of the elastic rope 7 is fixedly connected to the adjacent blind hole. Two slots are provided on the left and right sides of the arc-shaped plate 5. An elastic cloth 6 is passed through the two slots on the same side. Two rectangular frames 9 are fixedly connected to the bottom of the inner cavity of the U-shaped plate 1 near the left and right sides. The elastic cloth 6 passes through the adjacent rectangular frames 9 on the left and right sides and is fixedly connected to the fixing plate 10.

[0027] A connecting groove is provided at the top of the transparent plate 2 near both the front and rear sides. A vertical tube 13 is inserted through the connecting groove. A fixing ring 14 is fixedly connected to the outer edge of the vertical tube 13 near the top and bottom. A discharge cylinder 18 is fixedly connected to the bottom end of the vertical tube 13. A through hole is provided at the top of the discharge cylinder 18. The inner cavity of the vertical tube 13 is interconnected with the through hole and the inner cavity of the discharge cylinder 18. A movable rod 15 is inserted through the inner cavity of the vertical tube 13. The bottom end of the movable rod 15 passes through the through hole and extends into the inner cavity of the discharge cylinder 18, where a piston 16 is fixedly connected. A pressing plate 17 is fixedly connected to the top end of the movable rod 15. 7. A second magnet 24 is fixedly connected to the bottom near the front and rear sides. A first magnet 23 is attached to the bottom of the second magnet 24. A first U-shaped block 20 is fixedly connected to the top of the upper fixing ring 14 near the front and rear sides. A swing plate 19 is hinged to the inner cavity of the first U-shaped block 20. A second U-shaped block 21 is hinged to the outer edge of the swing plate 19 near the top. A limit plate 22 is fixedly connected to the side of the second U-shaped block 21 near the movable rod 15. The limit plate 22 is sleeved on the outer edge of the movable rod 15. The bottom of the first magnet 23 is fixedly connected to the top of the adjacent limit plate 22.

[0028] Working principle: The cylindrical pin is placed inside the arc-shaped plate 5, and the elastic cloth 6 is fitted over the surface of the cylindrical pin. The connecting threaded rod 8 is rotated, which moves the arc-shaped plate 5 upward. The arc-shaped plate 5 stretches the elastic rope 7, which in turn moves the elastic cloth 6. The rectangular frame 10, in conjunction with the fixing plate 9, stretches the elastic cloth 6, which then limits the cylindrical pin. When the front and rear ends of the cylindrical pin are aligned with the punch 11, the connecting threaded rod 8 is stopped. The transparent plate 2 is fitted over the surface of the U-shaped plate 1, and the T-shaped block 4 enters the adjacent T-slot. The vertical tube 13 is moved back and forth, which moves the fixing ring 14. The vertical tube 13 moves the movable rod 15 and the discharge cylinder 18, moving the discharge cylinder 18 to the ends of the cylindrical pin. The swing plate 19 is adjusted, and the swing plate 19, through the second U-shaped block 21, moves the limiting plate 22. The limiting plate 22 drives the first magnet 23 to swing, moving the first magnet 23 away from the second magnet 24 and moving the pressing plate 17 downward. The pressing plate 17 drives the movable rod 15 downward, which in turn drives the piston 16 downward. The piston 16 moves inside the discharge cylinder 18, dripping lubricating oil from inside the discharge cylinder 18 onto the cylindrical pin, thereby reducing friction and making the deformation more uniform. Then, the cylinder 3 is activated, and the cylinder 3 drives the punch 11 to move through the limiting threaded rod 12. The punch 11 rivets both ends of the cylindrical pin. The transparent plate 2 can block impurities generated during riveting. When different sizes of cylindrical pins are needed, the punch 11 is rotated, and the punch 11 drives the limiting threaded rod 12 to rotate, disassembling the punch 11 from the cylinder 3, thus allowing it to be riveted with cylindrical pins of different sizes.

[0029] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0030] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A riveting mechanism for a cylindrical pin, characterized in that, The U-shaped plate (1) has through slots on both the front and rear sides. A cylinder (3) is fixedly connected in each through slot. A first threaded hole is opened at one end of each cylinder (3). A limiting threaded rod (12) is threadedly connected in each first threaded hole. A punch (11) is fixedly connected at the end of the limiting threaded rod (12) away from the cylinder (3). T-shaped slots are opened on both the left and right sides of the U-shaped plate (1) near the front and rear sides. A T-shaped block (4) is movably connected in each T-shaped slot. A transparent plate (2) is fitted on the outer edge of the U-shaped plate (1). The side of the T-shaped block (4) away from the U-shaped plate (1) is fixedly connected to the side of the transparent plate (2).

2. The riveting mechanism for a cylindrical pin according to claim 1, characterized in that, The U-shaped plate (1) has a second threaded hole at the center of the bottom of the cavity. A connecting threaded rod (8) is threaded into the second threaded hole. An arc plate (5) is inserted into the top of the connecting threaded rod (8). An elastic rope (7) is fixedly connected to the bottom of the arc plate (5) near the front and rear sides. Two blind holes are opened at the bottom of the U-shaped plate (1). The bottom of the elastic rope (7) is fixedly connected to the adjacent blind hole.

3. The riveting mechanism for a cylindrical pin according to claim 2, characterized in that, The arc-shaped plate (5) has two slots on both the left and right sides. An elastic cloth (6) is inserted through the two slots on the same side. Two rectangular frames (9) are fixedly connected to the bottom of the inner cavity of the U-shaped plate (1) near the left and right sides. The elastic cloth (6) is inserted through the adjacent rectangular frames (9) on the left and right sides and is fixedly connected to a fixing plate (10).

4. The riveting mechanism for a cylindrical pin according to claim 3, characterized in that, The transparent plate (2) has a connecting groove at the top near the front and rear sides. A vertical tube (13) is inserted through the connecting groove. A fixing ring (14) is fixedly connected to the outer edge of the vertical tube (13) near the top and bottom. A discharge cylinder (18) is fixedly connected to the bottom end of the vertical tube (13). A through hole is opened at the top of the discharge cylinder (18). The inner cavity of the vertical tube (13) is interconnected with the through hole and the inner cavity of the discharge cylinder (18).

5. The riveting mechanism for a cylindrical pin according to claim 4, characterized in that, The vertical tube (13) has a movable rod (15) running through its inner cavity. The bottom end of the movable rod (15) passes through a through hole and extends into the inner cavity of the discharge cylinder (18), and is fixedly connected to a piston (16).

6. The riveting mechanism for a cylindrical pin according to claim 5, characterized in that, The top of the movable rod (15) is fixedly connected to a pressing plate (17), and the bottom of the pressing plate (17) is fixedly connected to a second magnet (24) near the front and rear sides. The bottom of the second magnet (24) is fitted with a first magnet (23).

7. The riveting mechanism for a cylindrical pin according to claim 6, characterized in that, A first U-shaped block (20) is fixedly connected to the top of the fixed ring (14) near the front and rear sides. A swing plate (19) is hinged to the inner cavity of the first U-shaped block (20). A second U-shaped block (21) is hinged to the outer edge of the swing plate (19) near the top. A limit plate (22) is fixedly connected to the side of the second U-shaped block (21) near the movable rod (15). The limit plate (22) is sleeved on the outer edge of the movable rod (15). The bottom of the first magnet (23) is fixedly connected to the top of the adjacent limit plate (22).

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