Welding positioning tool for outer door frame of forklift

Abstract

The utility model provides a welding positioning tool for an outer portal of a forklift. The positioning tool comprises a workbench, a locking assembly, an inner positioning assembly, a pin shaft supporting part and a lug positioning assembly. Wherein the locking assembly is fixedly installed on the workbench, and at least one part of the locking assembly can move in the direction close to or away from a forklift portal frame; the two sets of inner positioning assemblies are oppositely and fixedly installed on the workbench and used for positioning the inner surface of the forklift portal. The two pin shaft supporting parts are oppositely arranged on the workbench; and the two lug positioning assemblies are fixed to the workbench, the lug positioning assemblies are oppositely arranged on the workbench, and the distance between the two lug positioning assemblies is larger than the distance between the two oppositely-arranged inner positioning assemblies. The welding positioning tool for the forklift outer door frame is used for positioning the forklift outer door frame, operation is easy, positioning is firm, and the welding quality of the forklift outer door frame can be effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding processing, in particular to a welding positioning tool for an outer door frame of a forklift. Background Art

[0002] Forklifts are industrial handling vehicles, which refer to various wheeled handling vehicles for loading and unloading, stacking and short-distance transportation of palletized goods. The mast of the forklift is the main load-bearing structure of the forklift's picking device. Therefore, the welding quality of the mast structure is related to the stability and safety of the forklift. The structure of the forklift mast is relatively complex, generally consisting of two layers, inner and outer. The mast welding process needs to strictly control the parallelism, verticality and distance between the structural parts, otherwise there will be problems such as jamming and skewness during the operation of the forklift; due to the diversity of forklift models and mast sizes, it is difficult to equip special tooling to control the accuracy of the welding process in actual production.

[0003] In the process of gantry welding and assembly, the marking and assembly welding method is usually used. However, manual marking often leads to rework and grinding, which is unsafe. In addition, different operators have different welding dimensions after assembly, resulting in uneven product quality and seriously affecting assembly efficiency.

[0004] Therefore, the prior art has the problems of difficult positioning, low welding efficiency and poor quality during the welding process of the forklift door frame. Utility Model Content

[0005] The main purpose of the utility model is to provide a welding positioning tool for a forklift outer door frame, so as to solve the technical problems existing in the prior art of difficult positioning, low welding efficiency and poor quality during the welding process of the forklift door frame.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a welding positioning tool for a forklift outer mast, comprising a workbench; a locking assembly, which is fixedly mounted on the workbench, and at least a portion of the locking assembly can move in a direction close to or away from the forklift outer mast; two groups of relatively arranged inner positioning assemblies, which are fixedly mounted on the workbench, and are used to position the inner surface of the forklift outer mast; two pin shaft support parts, which are fixed on the workbench and arranged oppositely; two ear positioning assemblies, which are fixed on the workbench and arranged oppositely on the workbench, and the distance between the two ear positioning assemblies is greater than the distance between the two relatively arranged inner positioning assemblies.

[0007] Furthermore, the inner positioning assembly includes a first base plate, a first vertical plate and an abutment plate, wherein the first base plate is fixedly connected to the workbench, the first vertical plate is vertically fixed to one side of the first base plate, the abutment plate is connected to the first vertical plate, and the abutment plate has an abutment surface on the side away from the first vertical plate that abuts against the forklift outer mast.

[0008] Further, the first bottom plate and the first vertical plate are arranged in an L shape, and the first vertical plate and the abutting plate are arranged in a T shape.

[0009] Furthermore, the inner positioning assembly also includes a reinforcing plate, and the reinforcing plate is fixedly connected to the first bottom plate and the first vertical plate.

[0010] Furthermore, a pin shaft accommodating groove is provided on a side of the pin shaft supporting portion facing the workbench.

[0011] Furthermore, the pin shaft accommodating groove is U-shaped or V-shaped.

[0012] Furthermore, the ear positioning assembly includes a second bottom plate and an ear receiving groove formed on the second bottom plate, the second bottom plate is fixedly connected to the workbench, and the ear receiving groove is formed on the second bottom plate.

[0013] Furthermore, the ear positioning assembly also includes a second vertical plate and a third vertical plate, the second vertical plate and the third vertical plate are fixedly connected to the second bottom plate, and the second vertical plate and the third vertical plate are arranged in parallel to form the ear accommodating groove between the second vertical plate and the third vertical plate.

[0014] Furthermore, the locking assembly includes a base, a slider and a push-pull rod, wherein the base is fixed on the workbench, and the slider is rotatably connected to one end of the push-pull rod and can reciprocate under the action of the push-pull rod.

[0015] Furthermore, the locking assembly also includes a support plate having a threaded hole, the outer surface of the push-pull rod has an external thread matching the threaded hole, and one end of the push-pull rod passes through the threaded hole and is connected to the slider.

[0016] By using the welding positioning tool for the forklift outer mast provided by the utility model, the forklift outer mast is fixed by a locking assembly, the inner surface of the forklift mast is positioned by an inner positioning assembly, the pin shaft of the forklift outer mast is supported by a pin shaft support portion, and the ear of the forklift outer mast is positioned by an ear positioning assembly, thereby positioning the forklift outer mast at multiple angles; the forklift outer mast is positioned by using the welding positioning tool for the forklift outer mast provided by the utility model, which is simple to operate and has firm positioning, and can effectively ensure the welding quality of the forklift outer mast. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of a welding positioning tool for a forklift outer mast according to the utility model is shown;

[0019] Figure 2 A top view of a welding positioning tool for a forklift outer mast according to the utility model is shown;

[0020] Figure 3 A side view of a welding positioning tool for a forklift outer mast according to the utility model is shown;

[0021] Figure 4 A front view of a welding positioning tool for a forklift outer mast according to the utility model is shown.

[0022] The above drawings include the following reference numerals:

[0023] 10. Workbench; 20. Locking assembly; 21. Base; 22. Slider; 23. Push-pull rod; 24. Support plate; 25. Handle; 30. Internal positioning assembly; 31. First bottom plate; 32. First vertical plate; 33. Abutment plate; 34. Reinforcement plate; 40. Pin support; 50. Ear positioning assembly; 51. Second bottom plate; 52. Ear receiving groove; 53. Second vertical plate. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0027] In order to solve the technical problems of difficult positioning, low welding efficiency and poor quality during welding of forklift door frames in the prior art, the utility model provides a welding positioning tool for a forklift outer door frame.

[0028] like Figures 1 to 4 As shown, the utility model provides a welding positioning tool for a forklift outer mast, the welding positioning tool comprises a workbench 10, a locking assembly 20, an inner positioning assembly 30, a pin support portion 40 and an ear positioning assembly 50, wherein the locking assembly 20 is fixedly mounted on the workbench 10, and at least a portion of the locking assembly 20 can move in a direction close to or away from the forklift outer mast; the inner positioning assembly 30 is provided with two groups, and the two groups of inner positioning assemblies 30 arranged oppositely are fixedly mounted on the workbench 10, and the inner positioning assembly 30 is used to position the inner surface of the forklift outer mast; the pin support portions 40 are provided with two, and the two pin support portions 40 are fixed on the workbench 10, and the two pin support portions 40 are arranged oppositely; the ear positioning assemblies 50 are provided with two, and the two ear positioning assemblies 50 are arranged oppositely on the workbench 10, and the distance between the two ear positioning assemblies 50 is greater than the distance between the two inner positioning assemblies 30 arranged oppositely, thereby realizing the fixation of the frame of the outer mast on the inner and outer sides of the outer mast.

[0029] By using the welding positioning tool for the forklift outer mast provided by the utility model, the forklift outer mast is fixed by the locking assembly 20, the inner surface of the forklift mast is positioned by the inner positioning assembly 30, the pin shaft of the forklift outer mast is supported by the pin shaft support part 40, and the ear of the forklift outer mast is positioned by the ear positioning assembly 50, so as to position the forklift outer mast at multiple angles; the forklift outer mast is positioned by using the welding positioning tool for the forklift outer mast provided by the utility model, which is simple to operate and has firm positioning, and can effectively ensure the welding quality of the forklift outer mast.

[0030] Furthermore, the inner positioning assembly 30 includes a first bottom plate 31, a first vertical plate 32 and an abutment plate 33, wherein the first bottom plate 31 is fixedly connected to the workbench 10, the first vertical plate 32 is vertically fixed to one side of the first bottom plate 31, the abutment plate 33 is connected to the first vertical plate 32, and the abutment plate 33 has an abutment surface abutting against the forklift outer mast on the side away from the first vertical plate 32; the use of plate parts for installation and fixing is convenient for processing and also convenient for adaptive adjustment of the appearance of the plate during installation.

[0031] Specifically, the first bottom plate 31 and the first vertical plate 32 are arranged in an L shape, and the first vertical plate 32 and the abutment plate 33 are arranged in a T shape, wherein the abutment plate 33 is perpendicular to the first vertical plate 32, and one side of the abutment plate 33 can abut against the inner side of the forklift outer mast; in order to avoid wear between components during the abutment process, a rubber pad is further provided on the abutment surface between the abutment plate 33 and the forklift outer mast, and the rubber pad is adhesively fixed to the abutment surface.

[0032] In order to ensure the stability of the first vertical plate 32 during installation and positioning, the inner positioning assembly 30 further includes a reinforcing plate 34, and the reinforcing plate 34 is fixedly connected to the first bottom plate 31 and the first vertical plate 32. Preferably, the shape of the reinforcement can be, for example, a right triangle, so that the first bottom plate 31 and the first vertical plate 32 are reinforced by fixing the two right-angled sides of the right triangle to the first bottom plate 31 and the first vertical plate 32 respectively.

[0033] In order to facilitate the support of the pin shaft of the forklift outer mast, a pin shaft receiving groove is provided on the side of the pin shaft support portion 40 opposite to the workbench 10. When the forklift outer mast is fixed, the pin shaft of the forklift outer mast is placed in the sales receiving groove to achieve positioning support for the pin shaft.

[0034] Specifically, the pin shaft receiving groove may be, for example, U-shaped or V-shaped. Such a shape is more conducive to matching with the outer surface of the pin shaft.

[0035] Furthermore, the ear positioning assembly 50 includes a second base plate 51 and an ear accommodating groove 52 formed on the second base plate 51, the second base plate 51 is fixedly connected to the workbench 10, and the ear accommodating groove 52 is formed on the second base plate 51; when welding the forklift outer mast, the ear of the forklift outer mast is placed in the ear accommodating groove 52, which facilitates the positioning and welding of the ear of the forklift outer mast.

[0036] Specifically, the ear positioning assembly 50 may further include a second vertical plate 53 and a third vertical plate, the second vertical plate 53 and the third vertical plate are fixedly connected to the second bottom plate 51, and the second vertical plate 53 and the third vertical plate are arranged in parallel to form the ear receiving groove 52 between the second vertical plate 53 and the third vertical plate. Preferably, the upper portions of the second vertical plate 53 and the third vertical plate are triangular, so as to facilitate the ear of the forklift outer mast to enter the ear receiving groove 52.

[0037] In this embodiment, the locking assembly 20 includes a base 21, a slider 22 and a push-pull rod 23, wherein the base 21 is fixed on the workbench 10, the slider 22 is rotatably connected to one end of the push-pull rod 23, and can reciprocate under the action of the push-pull rod 23, and the push-pull rod 23 can be an electric push-pull rod 23 or a mechanical push-pull rod 23. In order to facilitate the fixing of the forklift outer mast, the locking assembly 20 can be provided in plurality, for example, four, to fix the forklift outer mast from two sides of the forklift outer mast.

[0038] When the push-pull rod 23 adopts mechanical transmission, the locking assembly 20 also includes a support plate 24, which has a threaded hole. The outer surface of at least a portion of the push-pull rod 23 has an external thread matching the threaded hole. One end of the push-pull rod 23 passes through the threaded hole and is connected to the slider 22; a handle 25 is provided at the other end of the push-pull rod 23. By rotating the handle 25, the push-pull rod 23 is driven to rotate, thereby driving the slider 22 to move in a direction close to the forklift mast, thereby fixing the forklift outer mast.

[0039] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0040] 1. Effectively solve the technical problems of difficult positioning, low welding efficiency and poor quality in the welding process of forklift mast in the prior art;

[0041] 2. Easy processing, simple operation and cost saving.

[0042] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0043] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0044] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0045] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A welding positioning tool for a forklift outer mast, characterized in that: include: Workbench (10); A locking assembly (20), wherein the locking assembly (20) is fixedly mounted on the workbench (10), and at least a portion of the locking assembly (20) is movable in a direction approaching or moving away from the forklift outer mast; Two sets of inner positioning components (30) arranged opposite to each other, the inner positioning components (30) are fixedly mounted on the workbench (10), and the inner positioning components (30) are used to position the inner surface of the outer mast of the forklift; Two pin shaft support parts (40), the two pin shaft support parts (40) are fixed on the workbench (10), and the two pin shaft support parts (40) are arranged opposite to each other; Two ear positioning components (50), the ear positioning components (50) are fixed on the workbench (10), the ear positioning components (50) are arranged relatively on the workbench (10), and the distance between the two ear positioning components (50) is greater than the distance between the two relatively arranged inner positioning components (30).

2. The welding positioning tool for the forklift outer mast according to claim 1, characterized in that: The inner positioning assembly (30) comprises a first bottom plate (31), a first vertical plate (32) and an abutment plate (33), wherein the first bottom plate (31) is fixedly connected to the workbench (10), the first vertical plate (32) is vertically fixed to one side of the first bottom plate (31), the abutment plate (33) is connected to the first vertical plate (32), and the abutment plate (33) has an abutment surface abutting against the forklift outer mast on a side away from the first vertical plate (32).

3. The welding positioning tool for the forklift outer mast according to claim 2, characterized in that: The first bottom plate (31) and the first vertical plate (32) are arranged in an L shape, and the first vertical plate (32) and the abutting plate (33) are arranged in a T shape.

4. The welding positioning tool for the forklift outer mast according to claim 2, characterized in that: The inner positioning assembly (30) further comprises a reinforcing plate (34), wherein the reinforcing plate (34) is fixedly connected to the first bottom plate (31) and the first vertical plate (32).

5. The welding positioning tool for the forklift outer mast according to any one of claims 1 to 4, characterized in that: A pin shaft accommodating groove is provided on the side of the pin shaft supporting portion (40) facing the workbench (10).

6. The welding positioning tool for the forklift outer mast according to claim 5, characterized in that: The pin shaft accommodating groove is U-shaped or V-shaped.

7. The welding positioning tool for the forklift outer mast according to any one of claims 1 to 4, characterized in that: The ear positioning assembly (50) comprises a second bottom plate (51) and an ear receiving groove (52) formed on the second bottom plate (51); the second bottom plate (51) is fixedly connected to the workbench (10); and the ear receiving groove (52) is formed on the second bottom plate (51).

8. The welding positioning tool for the forklift outer mast according to claim 7, characterized in that: The ear positioning assembly (50) further comprises a second vertical plate (53) and a third vertical plate, wherein the second vertical plate (53) and the third vertical plate are fixedly connected to the second bottom plate (51), and the second vertical plate (53) and the third vertical plate are arranged in parallel to form the ear receiving groove (52) between the second vertical plate (53) and the third vertical plate.

9. The welding positioning tool for the forklift outer mast according to any one of claims 1 to 4, characterized in that: The locking assembly (20) comprises a base (21), a slider (22) and a push-pull rod (23), wherein the base (21) is fixed on the workbench (10), and the slider (22) is rotatably connected to one end of the push-pull rod (23) and can reciprocate under the action of the push-pull rod (23).

10. The welding positioning tool for the forklift outer mast according to claim 9, characterized in that: The locking assembly (20) further comprises a support plate (24) having a threaded hole, the outer surface of the push-pull rod (23) having an external thread matching the threaded hole, and one end of the push-pull rod (23) passing through the threaded hole and connected to the slider (22).

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