Batch welding positioning clamp for door handle end cover

Abstract

The utility model relates to welding technical field provides a door handle end cover batch welding positioning fixture, a door handle end cover batch welding positioning fixture, including base, be provided with multiple sets of fixture main body on the base, every set of fixture main body all includes clamping seat, be provided with clamping groove in the clamping seat, be provided with fastening pad sleeve in the clamping groove, fastening pad sleeve is detachably connected with clamping seat, be provided with limit groove and locking lug on fastening pad sleeve, limit groove is used for the bending part of clamping round pipe blank, locking lug sets up on limit groove, locking lug is used for the round pipe blank card in limit groove, compared with prior art, when needing batch processing, laser welder can weld fixed blank one by one, when welding next group blank, user can take the opportunity and take off the welded round pipe type door handle and change blank, improve processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to a batch welding positioning fixture for door handle end caps. Background Technology

[0002] Door handles come in a variety of shapes and styles, with curved tube handles being particularly popular due to their simple and elegant design. Common door handle styles include square and round tubes. Both types are typically made by cutting and bending square or round tube blanks. After cutting and bending, end caps need to be welded to the ends of the blanks to prevent sharp edges from cutting workers. These end caps can also be fitted with threaded connections for easier subsequent connection operations.

[0003] Currently, laser welding machines are mostly used to weld blanks and end caps. In order to improve welding accuracy, workers usually need to use clamps to accurately position and lock the blanks during welding. Square tube blanks have relatively flat sides, making them easy to clamp and position. However, round tube blanks have special surface shapes, making it difficult for conventional clamps to clamp and position them. When batch processing is required, the preparation work before welding consumes a lot of time, resulting in low welding efficiency for round tube door handles. Therefore, a clamp that can be used for batch welding of round tube blanks is needed to improve the processing efficiency of round tube door handles. Utility Model Content

[0004] The purpose of this invention is to provide a batch welding positioning fixture for door handle end caps, which aims to solve the problem of low welding efficiency of existing round tube door handles.

[0005] To achieve the above objectives, this utility model provides a batch welding positioning fixture for door handle end caps. The fixture includes a base, on which multiple sets of fixture bodies are mounted. Each set of fixture bodies includes a clamping seat, in which a clamping groove is provided. A fastening pad is provided in the clamping groove, and the fastening pad is detachably connected to the clamping seat. The fastening pad is provided with a limiting groove and a locking protrusion. The limiting groove is used to clamp the bent part of the round tube blank, and the locking protrusion is provided on the limiting groove to lock the round tube blank in the limiting groove.

[0006] Furthermore, the fastening sleeve includes tangent straight segments and bent segments, with the limiting groove and locking protrusion both located in the bent segment.

[0007] Furthermore, a guide groove is provided at the straight section, and the width of the guide groove is the same as that of the limiting groove.

[0008] Furthermore, the base is provided with five sets of clamp bodies, which are arranged horizontally, and the spacing between adjacent sets of clamp bodies is equal.

[0009] Furthermore, a support frame is provided on the base to support the suspended end of the round tube blank.

[0010] Furthermore, the support frame includes an extension frame and support bars. The extension frame is fixedly installed on the base, and the support bars can slide on the extension frame.

[0011] Furthermore, locking screws are provided at both ends of the support bar.

[0012] Furthermore, the fastening gasket is made of high-temperature resistant soft rubber material.

[0013] Furthermore, the clamping seat is L-shaped, with the bent section of the clamping seat being higher than the straight section, and the height of the bent section being lower than the height of the upper end cap of the clamped round tube blank.

[0014] The present invention provides a batch welding positioning fixture for door handle end caps. Compared with the prior art, when welding the blanks of round tube door handles to the end caps, the user only needs to place the blank with the end cap on it into the guide groove, and then push the blank into the limiting groove. The locking protrusion fixes the blank, which facilitates precise welding. When batch processing is required, the laser welder can weld the fixed blanks one by one. When welding the next set of blanks, the user can take the opportunity to remove the welded round tube door handles and replace them with blanks, thus improving processing efficiency. Attached Figure Description

[0015] Figure 1 This is a working view of the present invention;

[0016] Figure 2 This is a perspective view of the present invention;

[0017] Figure 3 This is a three-dimensional view of the clamp body in this utility model;

[0018] Figure 4 This is a top view of the main body of the clamp in this utility model;

[0019] Figure 5 This is a perspective view of the fastening gasket in this utility model;

[0020] Figure 6 This is a perspective view of the support frame in this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] in;

[0023] 1. Base;

[0024] 2. Clamping seat; 20. Clamping groove; 21. Fastening pad; 22. Limiting groove; 23. Locking protrusion; 24. Bending section; 25. Straight section; 26. Guide groove;

[0025] 3. Support frame; 30. Extension frame; 31. Support bar; 32. Locking screw. Detailed Implementation

[0026] The present invention will be described in detail below with reference to specific embodiments.

[0027] In this utility model, unless otherwise explicitly specified and limited, when terms such as "set in," "connected," or "linked" appear, these terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or a connection through one or more intermediate media. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The directional terms appearing in this utility model are for the purpose of better describing the characteristics of the features and the relationships between them. It should be understood that when the placement direction of this utility model changes, the direction of the characteristics of the features and the relationships between them also changes accordingly. Therefore, directional terms do not constitute an absolute limitation on the characteristics of the features and the relationships between them in space, but only a relative limitation.

[0028] like Figures 1 to 6 As shown, this utility model provides a batch welding positioning fixture for door handle end caps, including a base 1. Multiple sets of fixture bodies are provided on the base 1. Each set of fixture bodies includes a clamping seat 2. The clamping seat 2 is provided with a clamping groove 20. A fastening pad 21 is provided in the clamping groove 20. The fastening pad 21 is detachably connected to the clamping seat 2. The fastening pad 21 is provided with a limiting groove 22 and a locking protrusion 23. The limiting groove 22 is used to clamp the bent part of the round tube blank. The locking protrusion 23 is provided on the limiting groove 22 and is used to lock the round tube blank in the limiting groove 22.

[0029] In this embodiment, the fastening pad 21 includes a tangent straight segment 25 and a bent segment 24, and the limiting groove 22 and the locking protrusion 23 are both disposed in the bent segment 24.

[0030] In this embodiment, a guide groove 26 is provided at the straight segment 25, and the width of the guide groove 26 is the same as that of the limiting groove 22.

[0031] When positioning welding is required, the user only needs to place the round tube blank along the guide groove 26, and then push the blank into the limiting groove 22 along the direction of the guide groove 26. The locking protrusion 23 fixes the blank in place to prevent slippage during welding and affect the welding accuracy. After welding is completed, the user only needs to pull it up or back to pull the welded round tube door handle out of the limiting groove 22.

[0032] In this embodiment, five sets of clamp bodies are provided on the base 1. The five sets of clamp bodies are arranged horizontally, and the spacing between adjacent sets of clamp bodies is equal.

[0033] With the above design, when batch processing is required, the laser welder will move back and forth above the five sets of fixture bodies under the drive of the power unit. The user places the blanks on the five sets of fixture bodies, and the laser welder will come to the fixture bodies one by one according to the preset program to perform welding operations. After some blanks have been welded, the user can directly remove the welded round tube door handle from the fixture body and replace it with the blank to be welded. After the laser welder passes through the five sets of fixture bodies, the power unit automatically controls the laser welder to return to the first set of fixture bodies to recycle the welding process. During this period, the machine stops to wait for loading and unloading, ensuring processing efficiency.

[0034] Since the laser welder and power unit are existing technologies and not improvements in this embodiment, they are not described in this embodiment.

[0035] In this embodiment, a support frame 3 is provided on the base 1, and the support frame 3 is used to support the suspended end of the round tube blank.

[0036] In this embodiment, the support frame 3 includes an extension frame 30 and a support bar 31. The extension frame 30 is fixedly installed on the base 1, and the support bar 31 can slide on the extension frame 30.

[0037] In this embodiment, locking screws 32 are provided at both ends of the support bar 31.

[0038] Through the above design scheme, when placing the round tube blank, the support frame 3 can support the suspended end of the longer round tube blank, preventing the excessively long round tube blank from tilting under the action of gravity, which would affect the welding accuracy; the support bar 31, which can slide on the extension frame 30, can adjust the landing point to ensure that the support bar 31 can support round tube blanks of different lengths; when it is necessary to adjust the position of the support bar 31, the user only needs to loosen the locking screw 32 to allow the support bar 31 to slide, and when it slides to the appropriate position, the user only needs to tighten the locking screw 32 to fix the support bar 31 on the extension frame 30, preventing the support bar 31 from sliding during the welding process and affecting the welding accuracy.

[0039] In this embodiment, the fastening pad 21 is made of high-temperature resistant soft rubber material. The soft rubber material has a certain deformation rate, which makes it convenient for the user to push the round tube blank into the locking protrusion 23 of the locking sleeve. At the same time, the high-temperature resistant fastening pad 21 can also isolate the heat generated by the blank during laser welding.

[0040] In this embodiment, the clamping seat 2 is L-shaped, the bent section 24 of the clamping seat 2 is higher than the straight section 25, and the height of the bent section 24 is lower than the height of the upper end cap of the clamped round tube blank.

[0041] The present invention provides a batch welding positioning fixture for door handle end caps. Compared with the prior art, when it is necessary to weld the blank of a round tube door handle to the end cap, the user only needs to place the blank with the end cap on it into the guide groove 26, and then push the blank into the limiting groove 22. The locking protrusion 23 fixes the blank, which facilitates precise welding. When batch processing is required, the laser welder can weld the fixed blanks one by one. When welding the next set of blanks, the user can take the opportunity to remove the welded round tube door handle and replace it with a blank, which improves processing efficiency.

[0042] Where there is no conflict, the above embodiments and features can be combined with each other.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A batch welding positioning fixture for door handle end caps, comprising a base (1), characterized in that: The base (1) is provided with multiple sets of clamp bodies. Each set of clamp bodies includes a clamping seat (2). The clamping seat (2) is provided with a clamping groove (20). The clamping groove (20) is provided with a fastening pad (21). The fastening pad (21) is detachably connected to the clamping seat (2). The fastening pad (21) is provided with a limiting groove (22) and a locking protrusion (23). The limiting groove (22) is used to clamp the bent part of the round tube blank. The locking protrusion (23) is provided on the limiting groove (22). The locking protrusion (23) is used to lock the round tube blank in the limiting groove (22).

2. The door handle end cap batch welding positioning fixture according to claim 1, characterized in that: The fastening sleeve (21) includes a tangent straight section (25) and a bent section (24), and the limiting groove (22) and the locking protrusion (23) are both located in the bent section (24).

3. A batch welding positioning fixture for door handle end caps according to claim 2, characterized in that: A guide groove (26) is provided at the straight section (25), and the width of the guide groove (26) is the same as that of the limiting groove (22).

4. A batch welding positioning fixture for door handle end caps according to claim 1, characterized in that: Five sets of clamp bodies are provided on the base (1). The five sets of clamp bodies are arranged horizontally, and the distance between two adjacent sets of clamp bodies is equal.

5. A batch welding positioning fixture for door handle end caps according to claim 1, characterized in that: A support frame (3) is provided on the base (1), which is used to support the suspended end of the round tube blank.

6. A batch welding positioning fixture for door handle end caps according to claim 5, characterized in that: The support frame (3) includes an extension frame (30) and a support bar (31). The extension frame (30) is fixedly installed on the base (1), and the support bar (31) can slide on the extension frame (30).

7. A batch welding positioning fixture for door handle end caps according to claim 6, characterized in that: Locking screws (32) are provided at both ends of the support bar (31).

8. A batch welding positioning fixture for door handle end caps according to claim 1, characterized in that: The fastening pad (21) is made of high-temperature resistant soft rubber material.

9. A batch welding positioning fixture for door handle end caps according to claim 1, characterized in that: The clamping seat (2) is L-shaped. The bent section (24) of the clamping seat (2) is higher than the straight section (25), and the height of the bent section (24) is lower than the height of the upper end cap of the clamped round tube blank.

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