Welding tool for front frame assembly of forklift

Abstract

The utility model relates to the technical field of welding tools, and particularly discloses a forklift front frame assembly welding tool which comprises a supporting assembly and a positioning assembly, the supporting assembly comprises a sliding table, a driving box, a driven box and a jig bottom plate, the driving box and the driven box are oppositely arranged on the sliding table, and the jig bottom plate is located between the driving box and the driven box. The driving box is fixed to the sliding table, the driven box is arranged on the sliding table in a sliding mode, the distance between the driving box and the driven box can be adjusted through movement of the driven box, and the device can be suitable for jig bottom plates of different lengths and accordingly suitable for forklift front frame assemblies of different models. Meanwhile, due to the fact that the jig bottom plate can rotate in the vertical direction, the jig bottom plate can drive the forklift front frame assembly located on the jig bottom plate to rotate synchronously, then the welding angle is adjusted, all-directional welding can be achieved conveniently, and the positioning assembly is located on the jig chassis and used for fixing the forklift front frame assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tools, in particular to a welding tool for a forklift front frame assembly. Background Art

[0002] The front frame assembly is an important part of the forklift, which includes a frame and a fork. The frame is used to provide support for the fork, and the forklift uses the fork to fork goods. During the assembly process of the forklift, it is usually necessary to weld the fork to the frame. In order to achieve its welding positioning, the frame and the fork are usually clamped and positioned by welding tooling, which can effectively prevent the frame and the fork from moving during the welding process and ensure the welding accuracy.

[0003] However, the existing welding tooling only plays a role in positioning the frame and the fork, and it cannot meet the requirements of multi-angle welding, and welding is relatively difficult. At the same time, each existing welding tooling can only correspond to the front frame assembly of a specific model of forklift, and its applicability is poor. Summary of the invention

[0004] The utility model is made in consideration of the above-mentioned problems, and the purpose of the utility model is to provide a welding tool for a forklift front frame assembly, which can realize all-round automatic welding of the forklift front frame assembly and improve welding efficiency.

[0005] To achieve the above object, the utility model provides a welding tool for a forklift front frame assembly, the forklift front frame assembly comprising a frame body and a fork arranged at the front side of the frame body, the welding tool comprising:

[0006] A support assembly, comprising a slide, an active box, a driven box and a fixture bottom plate, wherein the active box and the driven box are arranged on the slide relative to each other, and the active box or the driven box is slidably arranged on the slide, and the fixture bottom plate is located between the active box and the driven box and can rotate in the up and down direction;

[0007] A positioning assembly is located on the fixture bottom plate and is used to fix the forklift front frame assembly.

[0008] According to the welding tooling of the forklift front frame assembly described above, the slide is provided with a guide rail, the bottom of the driven box is provided with a slider, and the slider is slidably arranged on the guide rail.

[0009] According to the welding tooling of a forklift front frame assembly described above, the active box includes a first box body, an active turntable and a rotating motor, the driven box includes a second box body and a driven turntable, the active turntable is rotatably installed on a side of the first box body close to the second box body, the rotating motor is fixed in the first box body and connected to the active turntable, the driven turntable is rotatably installed on a side of the second box body close to the first box body, and the two ends of the jig bottom plate are respectively connected to the active turntable and the driven turntable.

[0010] According to the welding fixture of the forklift front frame assembly described above, a mounting block is provided on one side of the active turntable and the driven turntable, a first mounting hole is provided on the mounting block, and second mounting holes connected to the first mounting holes are provided on both ends of the fixture bottom plate.

[0011] According to the above-mentioned welding tooling of a forklift front frame assembly, the positioning assembly includes a clamping cylinder, a pressing block and a pressing plate. A plurality of the clamping cylinders are symmetrically arranged in pairs at both ends of the frame body and are used to clamp the frame body. The pressing block can be raised and lowered to be arranged directly above the frame body and can abut against the top of the frame body. The pressing plate can be raised and lowered to be arranged directly above the fork and can abut against the top of the fork.

[0012] According to the welding tooling of the forklift front frame assembly described above, a cross bar is provided on the top of the frame body, and a limiting groove is provided on the bottom of the lower pressing block, and the cross bar can extend into the limiting groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. The driving plate can be rotated by the cooperation of the active box and the driven box. The rotation of the positioning plate drives the front frame assembly fixed on it to rotate together, and then the welding angle between the frame and the fork can be adjusted to realize rotary welding and improve welding efficiency;

[0015] 2. The driven box can slide on the slide, and the distance between it and the active box can be adjusted, so it can be suitable for positioning plates and frames of different widths, so as to be suitable for different models of forklift front frame assemblies, thereby improving its applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment;

[0017] Figure 2 1. It is a schematic diagram of the assembly of the driving box, the driven box and the slide table of the embodiment;

[0018] Figure 3 It is a schematic diagram of assembling the rotating motor and the active turntable of the embodiment.

[0019] In the figure:

[0020] 1. Support assembly; 11. Slide; 111. Guide rail; 12. Active box; 121. First box body; 122. Active turntable; 123. Rotating motor; 13. Driven box; 131. Slider; 132. Second box body; 133. Driven turntable; 14. Fixture base; 141. Second mounting hole; 15. Mounting block; 151. First mounting hole; 2. Positioning assembly; 21. Clamping cylinder; 22. Lower pressure block; 221. Limiting groove; 23. Lower pressure plate. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0022] like Figure 1-3 As shown, a welding tool for a forklift front frame assembly includes a support assembly 1 and a positioning assembly 2. The support assembly 1 is used to provide support for the forklift front frame assembly, and the positioning assembly 2 is used to position the forklift front frame assembly onto the support assembly 1.

[0023] Specifically, the forklift front frame assembly includes a frame body and a fork arranged on the front side of the frame body, the support assembly 1 includes a slide 11, an active box 12, a driven box 13 and a fixture bottom plate 14, the active box 12 and the driven box 13 are arranged on the slide 11 relatively, and the active box 12 or the driven box 13 can be slidably arranged on the slide 11, the fixture bottom plate 14 is located between the active box 12 and the driven box 13, and can rotate in the up and down direction. In this embodiment, the active box 12 is fixed on the slide 11, and the driven box 13 can be slidably arranged on the slide 11. The movable box 12 is arranged on the slide 11, and the distance between the active box 12 and the driven box 13 can be adjusted by moving the driven box 13. It can be suitable for jig base plates 14 of different lengths, so as to be suitable for forklift front frame assemblies of different models. At the same time, since the jig base plate 14 can be rotated in the up and down directions, it can drive the forklift front frame assembly located on the jig base plate 14 to rotate synchronously, thereby adjusting the welding angle, which is convenient for all-round welding. The positioning assembly 2 is located on the jig chassis and is used to fix the forklift front frame assembly.

[0024] In order to realize the sliding of the driven box 13, a guide rail 111 is provided on the slide 11, and a slider 131 is provided at the bottom of the driven box 13. The slider 131 is slidably set on the guide rail 111, that is, the driven box 13 realizes the position adjustment of the driven box 13 by the cooperation between the slider 131 and the guide rail 111.

[0025] In order to drive the jig base plate 14, the active box 12 includes a first box body 121, an active turntable 122 and a rotating motor 123, and the driven box 13 includes a second box body 132 and a driven turntable 133. The active turntable 122 is rotatably installed on a side of the first box body 121 close to the second box body 132. The rotating motor 123 is fixed in the first box body 121 and connected to the active turntable 122. The driven turntable 133 is rotatably installed on a side of the second box body 132 close to the first box body 121. The two ends of the jig base plate 14 are respectively connected to the active turntable 122 and the driven turntable 133. The rotating motor 123 is used to drive the active turntable 122 to rotate, and the active turntable 122 drives the jig base plate 14 to rotate, and the driven turntable 133 follows.

[0026] In order to realize the detachable installation of the jig base plate 14, a mounting block 15 is provided on one side of the active turntable 122 and the driven turntable 133, and a first mounting hole 151 is provided on the mounting block 15. Second mounting holes 141 connected with the first mounting hole 151 are provided on both ends of the jig base plate 14. Bolts can be inserted into the connecting holes between the first mounting hole 151 and the second mounting hole 141 to achieve fixation. When the jig base plate 14 of different length needs to be replaced, it is only necessary to remove the bolts to achieve the replacement of the jig base plate 14.

[0027] Specifically, the positioning assembly 2 includes a clamping cylinder 21, a pressing block 22 and a pressing plate 23. The multiple clamping cylinders 21 are symmetrically arranged at both ends of the frame and are used to clamp the frame. The pressing block 22 can be raised and lowered to be arranged directly above the frame and can abut against the top of the frame. The pressing plate 23 can be raised and lowered to be arranged directly above the fork and can abut against the top of the fork. That is, the clamping cylinder 21 and the pressing block 22 are used to fix the frame, and the pressing plate 23 is used to fix the fork to prevent it from falling during the rotation of the fixture base plate 14. In order to be suitable for the front frame assembly of the forklift, a cross bar is provided on the top of the frame, and a limiting groove 221 is provided at the bottom of the pressing block 22. The cross bar can be extended into the limiting groove 221 to ensure that it is completely locked.

[0028] The technical solution of the utility model is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the idea of ​​the utility model. The specific embodiments described herein are merely examples of the spirit of the utility model. A person skilled in the art of the utility model may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but this will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A welding tool for a forklift front frame assembly, the forklift front frame assembly comprising a frame body and a fork arranged at the front side of the frame body, characterized in that: The welding tool comprises: A support assembly, comprising a slide, an active box, a driven box and a fixture bottom plate, wherein the active box and the driven box are arranged on the slide relative to each other, and the active box or the driven box is slidably arranged on the slide, and the fixture bottom plate is located between the active box and the driven box and can rotate in the up and down direction; A positioning assembly is located on the fixture bottom plate and is used to fix the forklift front frame assembly.

2. The welding tool for a forklift front frame assembly according to claim 1, characterized in that: The slide platform is provided with a guide rail, and the bottom of the driven box is provided with a slider, and the slider is slidably arranged on the guide rail.

3. The welding tool for a forklift front frame assembly according to claim 1, characterized in that: The active box includes a first box body, an active turntable and a rotating motor, and the driven box includes a second box body and a driven turntable. The active turntable is rotatably installed on a side of the first box body close to the second box body, the rotating motor is fixed in the first box body and connected to the active turntable, and the driven turntable is rotatably installed on a side of the second box body close to the first box body, and the two ends of the fixture bottom plate are respectively connected to the active turntable and the driven turntable.

4. The welding tool for a forklift front frame assembly according to claim 3, characterized in that: A mounting block is provided on one side of the active turntable and the driven turntable, a first mounting hole is provided on the mounting block, and second mounting holes communicating with the first mounting holes are provided on both ends of the fixture bottom plate.

5. The welding tool for a forklift front frame assembly according to claim 1, characterized in that: The positioning assembly includes a clamping cylinder, a pressing block and a pressing plate. The clamping cylinders are symmetrically arranged in pairs at both ends of the frame and are used to clamp the frame. The pressing block can be raised and lowered to be arranged directly above the frame and can abut against the top of the frame. The pressing plate can be raised and lowered to be arranged directly above the fork and can abut against the top of the fork.

6. The welding tool for a forklift front frame assembly according to claim 5, characterized in that: A cross bar is arranged on the top of the frame, and a limiting groove is arranged on the bottom of the pressing block, and the cross bar can extend into the limiting groove.

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