Bending device for threaded fastener

Abstract

The utility model discloses a threaded fastener bending device which comprises a box body, a limiting plate and a driving mechanism, a groove is formed in the top of the box body, a rotating disc is rotatably arranged in the groove, a limiting column is arranged at the top of the rotating disc, a baffle is movably arranged at the top of the rotating disc, and a fixing seat is fixedly arranged at the top of the box body. The limiting plate is movably arranged on the side, close to the limiting column, of the fixing base, a sliding groove is formed in the side, close to the limiting column, of the fixing base, a first screw is rotationally arranged in the sliding groove, a cross rod is slidably embedded in the sliding groove, one end of the cross rod is sleeved with the first screw in a matched mode, the other end of the cross rod is fixedly connected with the limiting plate, and the driving mechanism is arranged in the box body. Through the arrangement, it can be ensured that the other side of the threaded fastener can be attached to the limiting plate when one side of the threaded fastener makes contact with the limiting column, and the bending accuracy of the threaded fastener is improved.

Description

Technical Field

[0001] This utility model belongs to the field of fastener manufacturing technology, specifically relating to a bending device for threaded fasteners. Background Technology

[0002] Threaded fasteners are mechanical parts that fasten and connect by means of thread engagement, including bolts, screws, studs, etc. In some applications, threaded fasteners need to be connected to ropes or chains. To facilitate the connection, existing technologies require bending devices to bend the threaded fasteners into L-shapes or hook shapes when producing some threaded fasteners.

[0003] In related prior art, such as Chinese Patent No. CN216065014U, a bending device for producing hook bolts is disclosed. This solution includes a machine body and a first bending block. The top of the machine body is fixedly connected to the bottom of the first bending block. The top of the machine body has a movable groove, and a movable block is movably connected to the inner cavity of the movable groove. Multiple slots are provided on the left and right sides of the movable groove. A second bending block is fixedly connected to the top of the movable block. A storage groove is provided in the inner cavity of the movable block. Fixing devices are fixedly installed on the left and right sides of the storage groove. The fixing devices include locking blocks. The above solution uses the movable second bending block to clamp bolts of different sizes.

[0004] After the second bending block is moved to the appropriate position, the above solution fixes the movable block by locking the card block in the card slot. However, there is a gap between the two adjacent card slots. When clamping the threaded fastener, the above solution cannot ensure that the first bending block and the second bending block are in contact with the threaded fastener. The threaded fastener is prone to rotation during bending, resulting in poor fixing effect of the above solution on the threaded fastener. Utility Model Content

[0005] The present invention aims to provide a bending device for threaded fasteners to solve the problem of poor fixing effect of the above-mentioned solutions for threaded fasteners.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A bending device for threaded fasteners includes a housing, a limiting plate, and a driving mechanism. The top of the housing has a groove, within which a rotating disk is rotatably mounted. A limiting post is positioned along the axial direction of the top of the rotating disk, and a baffle is positioned on one side of the limiting post. A fixing seat is fixedly mounted on one side of the groove on the top of the housing. The limiting plate is movably mounted on the fixing seat near the limiting post. A sliding groove is provided on the fixing seat near the limiting post, within which a first screw is rotatably mounted, and a crossbar is slidably embedded. One end of the crossbar is fitted onto the first screw, and the other end is fixedly connected to the limiting plate. The driving mechanism is located within the housing and is connected to the rotating disk via a transmission mechanism.

[0008] The principle and effects of this technical solution:

[0009] Place the threaded fastener to be bent on the rotating disk between the limiting post and the limiting plate. Then rotate the first screw. Because the sliding groove restricts the rotation of the crossbar, the crossbar moves towards the limiting post as the first screw rotates. This causes the limiting plate to push the threaded fastener closer to the limiting post until one side of the threaded fastener contacts the limiting post and the other side is in contact with the limiting plate. Then rotate the rotating disk, and the baffle rotates accordingly, bending the threaded fastener.

[0010] By using the above settings, the first screw is rotated to drive the limiting plate to move. When one side of the threaded fastener contacts the limiting post, the other side of the threaded fastener can be in contact with the limiting plate. This ensures that the axis of the threaded fastener is parallel to the surface of the limiting plate during bending, improving the accuracy of bending the threaded fastener and solving the problem of poor fixing effect of the threaded fastener in the above solution.

[0011] In this utility model, a second screw is threaded through the top of the side wall of the limiting plate, and a clamping plate is rotatably connected to the end of the second screw away from the crossbar. A first guide rod is fixedly installed on the side of the clamping plate near the crossbar, and the first guide rod slides through the limiting plate.

[0012] The principle and effects of this technical solution:

[0013] First, place the threaded fastener between the clamping plate and the limiting plate. Then, rotate the second screw to move the clamping plate along the first guide rod axially as the second screw rotates, so that the clamping plate moves closer to the limiting plate until the clamping plate clamps the threaded fastener with the limiting plate. Then, move the crossbar by rotating the first screw until the threaded fastener contacts the limiting post.

[0014] By using the above-mentioned settings, the threaded fasteners are clamped by the clamping plate and the limiting plate, which can prevent the threaded fasteners from sliding along the surface of the limiting plate during bending, thereby further improving the finished product quality of this device.

[0015] In this utility model, a fixed plate is fixedly provided on the top of the rotating disk on one side of the limiting post. The baffle is located between the limiting post and the fixed plate, and a third screw is rotatably connected to the side of the baffle near the fixed plate. The third screw is threaded through the fixed plate. A second guide rod is also fixedly provided on the side of the baffle near the fixed plate. The second guide rod slides through the fixed plate.

[0016] The principle and effects of this technical solution:

[0017] In the initial state, the surface of the baffle is parallel to the surface of the limiting plate, so that the two sides of the threaded fastener are in contact with the limiting post and the limiting plate respectively. Then, by rotating the third screw, the baffle moves axially along the second guide rod until the surface of the baffle contacts the threaded fastener. Then, the rotating disk is rotated, and the baffle rotates with the rotating disk, thereby bending the threaded fastener.

[0018] With the above settings, the baffle is moved in front of the rotating disk so that it fits against the threaded fastener, which ensures that the threaded fastener bends along the limiting post, further improving the finished product quality of this device.

[0019] In this utility model, the side wall of the clamping plate is provided with multiple through holes, and a limiting rod is slidably inserted in each through hole. The end of the limiting rod away from the limiting plate has an outer edge protruding in the circumferential direction, and a tension spring is sleeved on each limiting rod. The two ends of the tension spring are connected to the outer edge and the clamping plate.

[0020] The principle and effects of this technical solution:

[0021] As the clamping plate moves closer to the limiting plate, the threaded fastener pushes the limiting rod in contact with it to move relative to the clamping plate. As one end of the limiting rod moves away from the clamping plate, the tension spring extends, giving the tension spring elasticity. The limiting rod that is not in contact with the threaded fastener moves to above the threaded fastener.

[0022] The above settings can prevent threaded fasteners from breaking and coming off upwards during bending, thus improving the safety of the device during use.

[0023] In this invention, the top of the rotating disk has an axially oriented insertion hole, and the bottom of the limiting post has an axially oriented fixed pin, which is slidably inserted into the insertion hole. This design allows the limiting post to be detachably mounted on the top of the rotating disk, enabling the replacement of limiting posts of different diameters according to usage requirements, thus improving the applicability of the device.

[0024] In this invention, a rotating shaft is fixedly mounted on the bottom of the rotating disk along its axial direction. The rotating shaft is rotatably inserted into the housing. The driving mechanism includes a motor fixedly mounted inside the housing. A first gear is fixedly sleeved on the bottom of the outer side wall of the rotating shaft, and a second gear meshing with the first gear is fixedly sleeved on the output shaft of the motor. Through the above arrangement, the rotating disk is driven to rotate.

[0025] In this invention, one end of the first screw extends beyond the fixed base, and a handwheel is fixedly mounted on the end of the first screw extending beyond the fixed base. This design facilitates the rotation of the first screw by the operator, improving the usability of the device. Attached Figure Description

[0026] Figure 1 This is an isometric view of the overall structure of this utility model;

[0027] Figure 2 This is an isometric sectional view of the present invention;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This is an exploded view of some components of this utility model. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0031] The reference numerals in the accompanying drawings of the instruction manual include: 10, housing; 11, groove; 12, fixed base; 13, slide groove; 14, first screw; 141, handwheel; 20, rotating disk; 21, fixed plate; 22, insertion hole; 23, rotating shaft; 231, first gear; 30, limiting post; 31, pin; 40, baffle; 41, third screw; 42, second guide rod; 50, limiting plate; 51, crossbar; 52, second screw; 61, motor; 611, second gear; 70, clamping plate; 71, first guide rod; 72, limiting rod; 721, outer edge; 73, tension spring.

[0032] Example:

[0033] As attached Figure 1-4As shown, this utility model discloses a bending device for threaded fasteners, including a housing 10, a limiting plate 50, and a driving mechanism. The top of the housing 10 is provided with a groove 11, and a rotating disk 20 is rotatably disposed in the groove 11. A limiting post 30 is provided on the top of the rotating disk 20 along its axial direction. A baffle 40 is provided on the top of the rotating disk 20 on one side of the limiting post 30. A fixing seat 12 is fixedly disposed on the top of the housing 10 on one side of the groove 11. The limiting plate 50 is movably disposed on the side of the fixing seat 12 near the limiting post 30. A sliding groove 13 is provided on the side of the fixing seat 12 near the limiting post 30. A first screw 14 is rotatably disposed in the sliding groove 13, and a crossbar 51 is slidably embedded in the sliding groove 13. One end of the crossbar 51 is fitted with the first screw 14, and the other end of the crossbar 51 is fixedly connected to the limiting plate 50. The driving mechanism is disposed in the housing 10 and is connected to the rotating disk 20 for transmission.

[0034] In this embodiment, a second screw 52 is threaded through the top of the side wall of the limiting plate 50. The end of the second screw 52 away from the crossbar 51 is rotatably connected to a clamping plate 70. A first guide rod 71 is fixedly provided on the side of the clamping plate 70 near the crossbar 51. The first guide rod 71 slides through the limiting plate 50.

[0035] In this embodiment, a fixing plate 21 is fixedly provided on the top of the rotating disk 20 on one side of the limiting post 30. The baffle 40 is located between the limiting post 30 and the fixing plate 21, and a third screw 41 is rotatably connected to the side of the baffle 40 near the fixing plate 21. The third screw 41 is threaded through the fixing plate 21. A second guide rod 42 is also fixedly provided on the side of the baffle 40 near the fixing plate 21. The second guide rod 42 slides through the fixing plate 21.

[0036] In this embodiment, the sidewall array of the clamping plate 70 is provided with multiple through holes, and a limiting rod 72 is slidably inserted in each of the through holes. The end of the limiting rod 72 away from the limiting plate 50 has an outer edge 721 protruding in the circumferential direction. Each limiting rod 72 is sleeved with a tension spring 73, and the two ends of the tension spring 73 are connected to the outer edge 721 and the clamping plate 70.

[0037] In this embodiment, the top of the rotating disk 20 is provided with an insertion hole 22 along the axial direction, and the bottom of the limiting post 30 is fixedly provided with a pin 31 along the axial direction, and the pin 31 is slidably inserted into the insertion hole 22.

[0038] In this embodiment, a rotating shaft 23 is fixedly provided at the bottom of the rotating disk 20 along its axial direction. The rotating shaft 23 is rotatably inserted into the housing 10. The driving mechanism includes a motor 61 fixedly provided inside the housing 10. A first gear 231 is fixedly sleeved on the bottom of the outer side wall of the rotating shaft 23. A second gear 611 that meshes with the first gear 231 is fixedly sleeved on the output shaft of the motor 61.

[0039] In this embodiment, one end of the first screw 14 extends outside the fixed base 12, and a handwheel 141 is fixedly installed on one end of the first screw 14 extending out of the fixed base 12.

[0040] The specific implementation process is as follows:

[0041] The threaded fastener to be bent is placed on the rotating disk 20 between the limiting post 30 and the limiting plate 50. Then, the first screw 14 is rotated. Because the slide groove 13 restricts the rotation of the crossbar 51, the crossbar 51 moves towards the limiting post 30 as the first screw 14 rotates. This causes the limiting plate 50 to push the threaded fastener closer to the limiting post 30 until one side of the threaded fastener contacts the limiting post 30 and the other side is in contact with the limiting plate 50. Then, the rotating disk 20 is rotated, and the baffle 40 rotates accordingly, bending the threaded fastener.

[0042] First, place the threaded fastener between the clamping plate 70 and the limiting plate 50. Then, rotate the second screw 52 to move the clamping plate 70 along the first guide rod 71 as the second screw 52 rotates, so that the clamping plate 70 moves closer to the limiting plate 50 until the clamping plate 70 clamps the threaded fastener with the limiting plate 50. Then, move the crossbar 51 by rotating the first screw 14 until the threaded fastener contacts the limiting post 30.

[0043] In the initial state, the surface of the baffle 40 is parallel to the surface of the limiting plate 50. After the threaded fastener is in contact with the limiting post 30 and the limiting plate 50 on both sides, the baffle 40 is moved axially along the second guide rod 42 by rotating the third screw 41 until the surface of the baffle 40 contacts the threaded fastener. Then the rotating disk 20 is rotated, and the baffle 40 rotates with the rotating disk 20, thereby bending the threaded fastener.

[0044] As the clamping plate 70 moves closer to the limiting plate 50, the threaded fastener pushes the limiting rod 72, which is in contact with it, to move relative to the clamping plate 70. At the same time, one end of the limiting rod 72 moves away from the clamping plate 70 and the tension spring 73 extends, so that the tension spring 73 has elasticity. The limiting rod 72, which is not in contact with the threaded fastener, moves to above the threaded fastener.

[0045] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A bending device for threaded fasteners, characterized in that, The utility model relates to a kind of box and drive mechanism, including: Box, the top of the box is provided with recess, rotating disc is rotationally arranged in recess, the top of rotating disc is provided with limit post along its axial direction, the top of rotating disc is provided with baffle on the side of limit post, the top of the box is fixedly provided with fixed seat on the side of recess; Limiting plate, the limiting plate is movably arranged on the side of fixed seat close to limit post, the side of fixed seat close to limit post is provided with sliding slot, first screw is rotationally arranged in sliding slot, and horizontal bar is slidably embedded in sliding slot, one end of horizontal bar is fitted on first screw, and the other end of horizontal bar is fixedly connected with limiting plate; Drive mechanism, the drive mechanism is arranged in box, and is transmissionally connected with rotating disc.

2. A threaded fastener bending apparatus as defined in claim 1, wherein: Second screw is threaded through the top of the side wall of limiting plate, clamping plate is rotationally connected to the end of second screw away from horizontal bar, first guide rod is fixedly arranged on the side of clamping plate close to horizontal bar, and the first guide rod is slidably threaded in limiting plate.

3. A threaded fastener bending apparatus as defined in claim 2, wherein: Fixed plate is fixedly arranged on the side of limit post of the top of rotating disc, the baffle is between limit post and fixed plate, and third screw is rotationally connected to the side of baffle close to fixed plate, the third screw is threaded in fixed plate, and second guide rod is fixedly arranged on the side of baffle close to fixed plate, and the second guide rod is slidably threaded in fixed plate.

4. The threaded fastener bending apparatus of claim 3, wherein: Multiple through holes are arranged on the side wall of clamping plate, and limiting rod is slidably threaded in each through hole, and outer edge is protruded on the end of limiting rod away from limiting plate along circumferential direction, and pull spring is sleeved on each limiting rod, and both ends of pull spring are connected with outer edge and clamping plate.

5. The threaded fastener bending apparatus of claim 4, wherein: Insertion hole is arranged on the top of rotating disc along axial direction, and pin rod is fixedly arranged on the bottom of limit post along axial direction, and the pin rod is slidably inserted in insertion hole.

6. A threaded fastener bending apparatus as defined in claim 5, wherein: Rotating shaft is fixedly arranged on the bottom of rotating disc along its axial direction, and the rotating shaft is rotationally inserted in box, and the drive mechanism includes motor fixedly arranged in the inside of box, and first gear is fixedly sleeved on the bottom of the outside wall of rotating shaft, and the output shaft of motor is fixedly sleeved with second gear meshing with first gear.

7. A threaded fastener bending apparatus as defined in claim 6, wherein: One end of first screw extends to outside of fixed seat, and hand wheel is fixedly arranged on the end of first screw extending out of fixed seat.

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