Robot welding tool for fork frame

By designing a robotic welding fixture for forklifts, which uses positioning axes and limiting parts to position and clamp the bushings, the problem of low efficiency and precision of existing welding fixtures is solved, achieving efficient and precise welding results.

CN224129005UActive Publication Date: 2026-04-17SHANDONG YUXIN ELECTROMECHANICAL MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG YUXIN ELECTROMECHANICAL MFG CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing welding fixture requires constant adjustment of the pins on both sides, resulting in low efficiency and accuracy.

Method used

A robotic welding fixture comprising a base, a side clamping structure, and a bushing positioning structure is designed. The bushing is positioned and clamped using a positioning axis, a limiting part, and an adjustable second limiting part, thereby improving positioning accuracy and efficiency.

Benefits of technology

Through a simplified structural design, precise positioning and clamping of the bushing were achieved, improving welding efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224129005U_ABST
    Figure CN224129005U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of welding tools, in particular to a robot welding tool for a fork frame. The robot welding tool comprises a base; the side edge clamping structure is mounted on the base and is suitable for abutting against the four side faces of the main body; the shaft sleeve positioning structure comprises a first positioning seat mounted on the base, a second positioning seat arranged opposite to the first positioning seat, and a positioning shaft of which the two ends are detachably connected with the first positioning seat and the second positioning seat respectively; a first limiting part and a second limiting part located on the two sides of the shaft sleeve are arranged on the positioning shaft, and the end, away from the second limiting part, of the first limiting part abuts against the second positioning base; and the second limiting part is adjustably mounted on the positioning shaft. According to the robot welding tool for the fork frame, the shaft sleeve can be positioned and clamped through the positioning shaft, the first limiting part and the second limiting part, the structure is simple, operation is convenient, positioning is accurate, and therefore the welding efficiency and precision are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of welding fixtures, and more specifically to a robotic welding fixture for a forklift. Background Technology

[0002] Welding fixtures are a set of flexible welding fixtures for fixing, clamping, and positioning. They are mainly used for welding various weldable materials, including large, medium, and small materials.

[0003] An existing fork frame includes a main body with a through hole and a bushing installed within the through hole. Current welding fixtures typically have pins on both sides of the main body that mate with it, with the pins abutting against the ends of the bushings to position and clamp them. However, this welding fixture requires constant adjustment of the pins on both sides, resulting in low efficiency and accuracy.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention

[0005] To improve or solve the technical problem of low efficiency and accuracy in existing welding fixtures that require continuous adjustment of the pins on both sides, this utility model provides a robotic welding fixture for a forklift. The robotic welding fixture includes: a base; a side clamping structure mounted on the base and adapted to abut against the four sides of the main body; a bushing positioning structure including a first positioning seat mounted on the base, a second positioning seat arranged opposite to the first positioning seat, and a positioning shaft with both ends detachably connected to the first and second positioning seats respectively; a first limiting portion and a second limiting portion are provided on the positioning shaft located on both sides of the bushing, the end of the first limiting portion away from the second limiting portion abutting against the second positioning seat; the second limiting portion is adjustablely mounted on the positioning shaft.

[0006] This utility model relates to a robotic welding fixture for forklifts, comprising a base, a side clamping structure, and a bushing positioning structure. The base is used to mount the side clamping structure and the bushing positioning structure. The side clamping structure abuts against the four sides of the main body, providing positioning and clamping for the main body. The bushing positioning structure includes a first positioning seat, a second positioning seat, and a positioning shaft. The first and second positioning seats clamp and fix the positioning shaft. The positioning shaft is provided with a first limiting part and a second limiting part. One end of the first limiting part abuts against the second positioning seat, and the other end abuts against the bushing, serving as a positioning reference. The second limiting part is adjustablely mounted on the positioning shaft, limiting the bushing between the first and second limiting parts, thereby positioning and clamping both the bushing and the main body. Through the above configuration, this utility model's robotic welding fixture for forklifts can position and clamp the bushing using the positioning shaft, the first limiting part, and the second limiting part. It features a simple structure, convenient operation, and accurate positioning, thereby improving welding efficiency and precision.

[0007] Furthermore, the first positioning seat includes a first half and a second half connected to the first half; one side of the second half is hinged to the first half, and the other side of the second half is detachably connected to the first half.

[0008] Furthermore, a fastener clip is provided between the first half and the second half.

[0009] Furthermore, a tapered block for limiting the positioning shaft is provided on the first half.

[0010] Furthermore, the second limiting part is adjustablely mounted on the positioning shaft via a threaded structure.

[0011] Furthermore, the side clamping structure includes a support seat mounted on the base, a pressure head arranged opposite to the support seat, and a clamping shaft adapted to abut against both sides of the main body.

[0012] Furthermore, a mounting column is installed on the support base, and a mounting arm is rotatably mounted on the mounting column; the pressure head is adjustablely mounted on the mounting arm.

[0013] Furthermore, a fixing seat is installed on the base, and the clamping shaft is adjustablely installed on the fixing seat.

[0014] In summary, compared with the prior art, this utility model has the following beneficial effects:

[0015] The bushing positioning structure includes a first positioning seat, a second positioning seat, and a positioning shaft. The first and second positioning seats can clamp and fix the positioning shaft. The positioning shaft is provided with a first limiting part and a second limiting part. One end of the first limiting part abuts against the second positioning seat, and the other end abuts against the bushing, which can serve as a positioning reference to accurately position the bushing. The second positioning part is adjustablely mounted on the positioning shaft and can limit the bushing between the first and second limiting parts, thereby positioning and clamping the bushing and the main body. Attached Figure Description

[0016] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0017] Figure 1 This is a schematic diagram of an embodiment of the robotic welding fixture for forklifts according to this utility model;

[0018] Figure 2 This is another schematic diagram of an embodiment of the robotic welding fixture for forklifts according to this utility model;

[0019] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 This is a schematic diagram of an embodiment of the positioning axis in the robotic welding fixture for forklifts according to this utility model.

[0021] List of reference numerals in the attached drawings: 1. Base; 11. Positioning sleeve; 2. Side clamping structure; 21. Pressure head; 22. Support seat; 23. Tightening shaft; 24. Mounting column; 25. Mounting arm; 26. Fixing seat; 3. Bushing positioning structure; 31. First positioning seat; 311. First half; 312. Second half; 313. Hinge plate; 314. Buckle clip; 32. Second positioning seat; 33. Positioning shaft; 331. First limiting part; 332. Second limiting part; 34. Conical block. Detailed Implementation

[0022] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0023] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" 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, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] To improve or solve the technical problem of low efficiency and accuracy in existing welding fixtures that require constant adjustment of the pins on both sides, this utility model provides a robotic welding fixture for a forklift. The robotic welding fixture includes: a base 1; a side clamping structure 2, mounted on the base 1 and adapted to abut against the four sides of the main body; a bushing positioning structure 3, including a first positioning seat 31 mounted on the base 1, a second positioning seat 32 arranged opposite to the first positioning seat 31, and a positioning shaft 33 whose two ends are detachably connected to the first positioning seat 31 and the second positioning seat 32 respectively; a first limiting part 331 and a second limiting part 332 are provided on the positioning shaft 33 on both sides of the bushing, the end of the first limiting part 331 away from the second limiting part 332 abutting against the second positioning seat 32; the second limiting part 332 is adjustablely mounted on the positioning shaft 33.

[0026] Figure 1 This is a schematic diagram of an embodiment of the robotic welding fixture for forklifts according to this utility model. Figure 2 This is another schematic diagram of an embodiment of the robotic welding fixture for a forklift according to this utility model. (See diagram below.) Figure 1 and Figure 2 As shown, in one or more embodiments, the robot welding fixture for forklifts of this invention includes a base 1, a side clamping structure 2, and a bushing positioning structure 3.

[0027] See also Figure 1 and Figure 2In one or more embodiments, the base 1 includes two horizontal beams arranged side by side and a longitudinal beam connecting the two horizontal beams. Specifically, four longitudinal beams are provided, two of which are located at both ends of the horizontal beams. Furthermore, a positioning sleeve 11 is provided on the longitudinal beam located at the end for connecting the base 1 to external equipment.

[0028] See also Figure 1 and Figure 2 The side clamping structure 2 is mounted on the base 1 and abuts against the four sides of the main body. In one or more embodiments, the side clamping structure 2 includes a pressure head 21 abutting against the top surface of the main body, a support seat 22 abutting against the bottom surface of the main body, and a clamping shaft 23 abutting against the front and rear sides of the main body. Specifically, two support seats 22 are provided, and the two support seats 22 are respectively mounted on two longitudinal beams near the middle. Further, a mounting post 24 is mounted on one end of the support seat 22, and a mounting arm 25 is rotatably provided on the mounting post 24. Specifically, a mounting shaft is provided on the top of the mounting post 24, and a mounting cylinder matching the mounting shaft is provided at one end of the mounting arm 25, so that the mounting arm 25 can rotate around the mounting shaft. Further, a limiting structure is provided between the mounting arm 25 and the mounting post 24, the limiting structure including a limiting plate mounted on the mounting post 24 and a telescopic post mounted on the mounting arm 25. The limiting plate has through holes that mate with the telescopic column, and multiple through holes are evenly spaced along the circumference of the limiting plate. Furthermore, the pressure head 21 is adjustablely mounted on the mounting arm 25. A threaded cylinder is provided at the end of the mounting arm 25 away from the mounting column 24, and the pressure head 21 has an external thread that forms a threaded connection with the threaded cylinder. Rotating the pressure head 21 adjusts the distance between the pressure head 21 and the support base 22, thereby clamping the main body. Furthermore, multiple sets of clamping shafts 23 are provided, each set including two oppositely arranged shafts 23. Specifically, a fixed seat 26 is provided on the base 1, and the clamping shafts 23 are connected to the fixed seat 26 via a threaded connection structure, allowing the clamping shafts 23 to be rotated to adjust the distance between the two clamping shafts 23, thereby clamping the main body. For example, four sets of clamping shafts 23 are provided, located near both ends and the middle of the base 1.

[0029] Figure 3 yes Figure 2 Enlarged diagram of point A in the middle. Figure 4 This is a schematic diagram of an embodiment of the positioning axis in the robotic welding fixture for forklifts according to this utility model. Figure 2 , Figure 3 and Figure 4As shown, the bushing positioning structure 3 is mounted on the base 1 and mates with the bushing. In one or more embodiments, the bushing positioning structure 3 includes a first positioning seat 31 mounted on the base 1, a second positioning seat 32 arranged opposite to the first positioning seat 31, and a positioning shaft 33 whose two ends are detachably connected to the first positioning seat 31 and the second positioning seat 32, respectively. The first positioning seat 31 and the second positioning seat 32 have the same structure; the first positioning seat 31 is used as an example for explanation. The first positioning seat 31 includes a first half 311 mounted on the base 1 and a second half 312 connected to the first half 311; one side of the second half 312 is hingedly connected to the first half 311, and the other side is detachably connected to the first half 311. Specifically, a hinge plate 313 is provided on the first half 311, and a hinge shaft mates with the hinge plate 313 is provided on one side of the second half 312, so that the first half 311 and the second half 312 form a hinged connection. Furthermore, the second half 312 is detachably connected to the first half 311 via a snap-fit ​​clip 314 on the other side. Specifically, a limiting buckle matching the snap-fit ​​clip 314 is provided on the first half 311, and the snap-fit ​​clip 314 and the limiting buckle form a snap-fit ​​connection, thereby locking the second half 312 onto the first half 311. Furthermore, the second half 312 is generally rectangular in shape, and a mounting groove is provided on the first half 311. A conical block 34 is provided within the mounting groove, and one end of the positioning shaft 33 is placed on the conical block 34 to prevent the positioning shaft 33 from shaking. Specifically, the conical block 34 can be fixed to the first half 311 by a bolt connection structure.

[0030] See also Figure 2 , Figure 3 and Figure 4 The two ends of the positioning shaft 33 are respectively arranged within the tapered blocks 34 of the first half 311 and the second half 312. In one or more embodiments, a first limiting portion 331 and a second limiting portion 332 are formed on the positioning shaft 33. Based on Figure 4As shown, the first limiting part 331 is located near the left end of the positioning shaft 33, and the second limiting part 332 is located near the right end of the positioning shaft 33. Specifically, the left end of the first limiting part 331 abuts against the second positioning seat 32, and the right end of the first limiting part 331 forms a limiting ring that mates with the bushing. The outer diameter of the limiting ring is slightly smaller than the inner diameter of the bushing, allowing the limiting ring to extend into the bushing for positioning. Furthermore, the second limiting part 332 is adjustablely mounted on the positioning shaft 33, and the left end of the second limiting part 332 also forms a limiting ring that mates with the bushing and can extend into the bushing. For example, the second limiting part 332 is adjustablely mounted on the positioning shaft 33 via a threaded structure. An external thread is provided on the positioning shaft 33, and an internal thread that mates with the external thread is provided in the second limiting part 332, allowing the second limiting part 332 to be adjusted on the positioning shaft 33, thereby positioning and clamping the bushing.

[0031] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A robotic welding fixture for a forklift, characterized in that, include: Base (1); The side clamping structure (2) is mounted on the base (1) and is adapted to abut against the four sides of the main body; The bushing positioning structure (3) includes a first positioning seat (31) mounted on the base (1), a second positioning seat (32) arranged opposite to the first positioning seat (31), and a positioning shaft (33) with both ends detachably connected to the first positioning seat (31) and the second positioning seat (32), respectively; a first limiting part (331) and a second limiting part (332) located on both sides of the bushing are provided on the positioning shaft (33), and the end of the first limiting part (331) away from the second limiting part (332) abuts against the second positioning seat (32); the second limiting part (332) is adjustablely mounted on the positioning shaft (33).

2. The robotic welding fixture for a fork carriage of claim 1, wherein, The first positioning seat (31) includes a first half (311) and a second half (312) connected to the first half (311); one side of the second half (312) is hinged to the first half (311), and the other side of the second half (312) is detachably connected to the first half (311).

3. The robotic welding fixture for a fork carriage of claim 2, wherein, A fastener (314) is provided between the first half (311) and the second half (312).

4. The robotic welding fixture for a fork carriage of claim 2, wherein, A tapered block (34) for limiting the positioning shaft (33) is provided on the first half (311).

5. The robotic welding fixture for a fork carriage of claim 1, wherein, The second limiting part (332) is adjustablely mounted on the positioning shaft (33) via a threaded structure.

6. The robotic welding fixture for a fork carriage of claim 1, wherein, The side clamping structure (2) includes a support seat (22) mounted on the base (1), a pressure head (21) arranged opposite to the support seat (22), and a clamping shaft (23) adapted to abut against both sides of the main body.

7. The robotic welding fixture for a fork carriage of claim 6, wherein, A mounting post (24) is mounted on the support base (22), and a mounting arm (25) is rotatably mounted on the mounting post (24); the pressure head (21) is adjustablely mounted on the mounting arm (25).

8. The robotic welding fixture for a fork carriage of claim 6, wherein, A fixing seat (26) is mounted on the base (1), and the clamping shaft (23) is adjustablely mounted on the fixing seat (26).