Welding and assembling tool for outer door frame of forklift

Abstract

The utility model discloses a forklift outer portal welding assembly tool which comprises a tool base, a head supporting seat, a head baffle, a middle blocking seat, a middle baffle, a push-pull type quick clamp, a hinge lug positioning seat, a lower cross beam support and a manual clamping plate. The head baffle is arranged at the front end, close to the head supporting seat, of the tool base, the middle baffle seats are symmetrically arranged on the left side and the right side, close to the head supporting seat, of the tool base, the middle baffle plates are arranged at the rear end, close to the head supporting seat, of the tool base, the hinge lug positioning seats are symmetrically arranged in the middle of the tool base, and the lower beam supporting seats are symmetrically arranged at the rear end of the tool base. The push-pull type quick clamp is arranged on the tool base, and the manual clamping plate is arranged at the position, close to the rear end of the lower cross beam support, of the tool base. According to the utility model, the position precision and the welding quality of each cross beam of the outer portal frame in the welding assembly process are effectively ensured, and the production efficiency and the operation safety are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding tooling, and particularly relates to a welding and assembling tooling for the outer gantry of a forklift. Background Technique

[0002] The outer gantry of a forklift is a key load-bearing and action-executing component in the forklift structure, which is composed of outer gantry channel steel, upper cross beam, middle cross beam and lower cross beam welded together. Its welding quality directly affects the service life and safety of the forklift. In the actual production process, the welding quality of the outer gantry is a key link to ensure the overall performance of the forklift, and the assembly and welding of the outer gantry is the key to ensure the production efficiency of the forklift.

[0003] In the prior art, when welding and assembling the outer gantry, it mainly depends on manual scribing to determine the position and then carry out assembly welding, which is not only inefficient, but also difficult to ensure the accuracy and consistency of welding and assembly.

[0004] Therefore, in view of the above characteristics of poor accuracy and low efficiency, it is necessary to provide a welding and assembling tooling for the outer gantry of a forklift to solve the above technical problems. Content of the Utility Model

[0005] To solve some or all of the above technical problems existing in the prior art, the utility model provides a welding and assembling tooling for the outer gantry of a forklift, which includes a tooling base, a head support seat, a head baffle, an intermediate stop seat, a middle baffle, a push-pull type quick clamp, a hinge ear positioning seat, a lower cross beam support and a manual clamping plate. The head support seat is arranged at the front end of the tooling base, the head baffle is arranged at the front end of the tooling base close to the head support seat, the intermediate stop seats are symmetrically arranged on the left and right sides of the tooling base close to the head support seat, the middle baffle is arranged at the rear end of the tooling base close to the head support seat, the hinge ear positioning seats are symmetrically arranged in the middle of the tooling base, the lower cross beam supports are symmetrically arranged at the rear end of the tooling base, the push-pull type quick clamp is arranged on the tooling base, and the manual clamping plate is arranged at the rear end of the tooling base close to the lower cross beam support, wherein:

[0006] The head support seat includes a support table, a slide rail, a slider and a pin shaft. The slide rail is arranged in the middle of the support table, and the slider is slidably arranged on the slide rail and positioned by the pin shaft.

[0007] Further, in the above-mentioned welding and assembling tooling for the outer gantry of a forklift, the intermediate stop seat includes a hinge seat, a turning seat, a central shaft and a positioning clamping plate. The hinge seat is fixed to the tooling base by bolts, the turning seat is hinged to the hinge seat through the central shaft, the positioning clamping plate is welded to the top of the turning seat, and the surface roughness of the positioning clamping plate is Ra6.3.

[0008] Further, in the above-mentioned forklift outer gantry welding and alignment tooling, the support table is fixed to the tooling base by bolts. First through holes are provided through the tops on both sides of the support table, and second through holes are provided through the slider. Both the first through hole and the second through hole are matched with the pin shaft. The support table and the slider are positioned by the pin shaft, and a step is provided on the slider.

[0009] Further, in the above-mentioned forklift outer gantry welding and alignment tooling, there are five push-pull type quick clamps. Four of the push-pull type quick clamps are fixed in a rectangular shape in the middle of the tooling base by bolts, and the other push-pull type quick clamp is fixed to the tooling base near one side of the lower crossbeam support by bolts. The output ends of the push-pull type quick clamps are respectively oriented towards the outside of the tooling base.

[0010] Further, in the above-mentioned forklift outer gantry welding and alignment tooling, the hinge ear positioning seat includes a positioning frame, a shaft seat, and a first positioning shaft. The positioning frame is fixed to the tooling base by bolts. The shaft seat is provided on the top of the positioning frame. A first shaft hole is provided through the shaft seat, and the first shaft hole is matched with the first positioning shaft. The first positioning shaft is slidably arranged in the first shaft hole.

[0011] Further, in the above-mentioned forklift outer gantry welding and alignment tooling, the lower crossbeam support includes a support frame and a second positioning shaft. A second shaft hole is provided on the support frame, and the second shaft hole is matched with the second positioning shaft. The second positioning shaft is slidably arranged in the second shaft hole.

[0012] The forklift outer gantry welding and alignment tooling of the present utility model has the following advantages and beneficial effects:

[0013] (1) Through the cooperation of the head support seat, the head baffle, the middle stop seat, the middle baffle, and the manual clamping plate with the push-pull type quick clamp, the welding and alignment accuracy of the outer gantry channel steel, the upper crossbeam, the middle crossbeam, and the lower crossbeam can be effectively improved;

[0014] (2) Through the arrangement of the first positioning shaft and the second positioning shaft, the coaxiality of the middle crossbeam hinge ear and the lower crossbeam half Hough seat is effectively ensured, and at the same time, it is convenient to remove after the forklift outer gantry is welded, effectively improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only for further understanding of the embodiments of the present invention and constitute a part of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the welding and alignment tooling for the forklift outer gantry of the present utility model;

[0017] Figure 2 This is a top view of the welding and alignment tooling for the forklift outer gantry of the present utility model;

[0018] Figure 3 This is a structural schematic diagram of the head support seat of the welding and alignment tooling for the forklift outer gantry of the present utility model;

[0019] Figure 4 This is a structural schematic diagram of the middle stop seat of the welding and alignment tooling for the forklift outer gantry of the present utility model;

[0020] Figure 5 This is a structural schematic diagram of the hinge ear positioning seat of the welding and alignment tooling for the forklift outer gantry of the present utility model;

[0021] Figure 6 This is a structural schematic diagram of the lower crossbeam support of the welding and alignment tooling for the forklift outer gantry of the present utility model.

[0022] Explanation of reference numerals:

[0023] 1: Tooling base;

[0024] 2: Head support seat, 21: Support table, 22: First through hole, 23: Slide rail, 24: Slide block, 25: Second through hole, 26: Step, 27: Pin shaft;

[0025] 3: Head baffle;

[0026] 4: Middle stop seat, 41: Hinge seat, 42: Flip seat, 43: Central axis, 44: Positioning card board;

[0027] 5: Middle baffle;

[0028] 6: Push-pull type quick clamp;

[0029] 7: Hinge ear positioning seat, 71: Positioning frame, 72: Shaft seat, 73: First shaft hole, 74: First positioning shaft;

[0030] 8: Lower crossbeam support, 81: Support frame, 82: Second shaft hole, 83: Second positioning shaft;

[0031] 9: Manual card board. Detailed implementation manners

[0032] To make the objectives, technical solutions, and advantages of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments of the present utility model and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0033] As Figures 1 to 6 shown, the forklift outer gantry welding and assembly tooling of the present utility model includes a tooling base 1, a head support seat 2, a head baffle 3, an intermediate stop seat 4, a middle baffle 5, a push-pull type quick clamp 6, a hinge ear positioning seat 7, a lower crossbeam support 8, and a manual clamping plate 9. The head support seat 2 is arranged at the front end of the tooling base 1, the head baffle 3 is arranged at the front end of the tooling base 1 close to the head support seat 2, the intermediate stop seats 4 are symmetrically arranged on the left and right sides of the tooling base 1 close to the head support seat 2, the middle baffle 5 is arranged at the rear end of the tooling base 1 close to the head support seat 2, the hinge ear positioning seats 7 are symmetrically arranged in the middle of the tooling base 1, the lower crossbeam supports 8 are symmetrically arranged at the rear end of the tooling base 1, the push-pull type quick clamp 6 is arranged on the tooling base 1, and the manual clamping plate 9 is arranged at the rear end of the tooling base 1 close to the lower crossbeam support 8, wherein:

[0034] The head support seat 2 includes a support table 21, a slide rail 23, a slide block 24, and a pin shaft 27. The slide rail 23 is arranged in the middle of the support table 21, and the slide block 24 is slidably arranged on the slide rail 23 and positioned by the pin shaft 27.

[0035] Further, in the forklift outer gantry welding and assembly tooling of the present utility model, the intermediate stop seat 4 includes a hinge seat 41, a flipping seat 42, a central shaft 43, and a positioning clamping plate 44. The hinge seat 41 is fixed to the tooling base 1 by bolts, the flipping seat 42 is hinged to the hinge seat 41 by the central shaft 43, the positioning clamping plate 44 is welded to the top of the flipping seat 42, the surface roughness of the positioning clamping plate 44 is Ra6.3, and the outer side surface of the web of the outer gantry channel steel is contacted through the positioning clamping plate 44 as the positioning reference for the web of the channel steel. The bottom of the flipping seat 42 cooperates with the side surface of the hinge seat 41 to achieve precise positioning of the outer side surface of the web of the channel steel.

[0036] Further, in the forklift outer gantry welding and assembly tooling of the present utility model, the support table 21 is fixed to the tooling base 1 by bolts. First through holes 22 are penetrated through the top of both sides of the support table 21, a second through hole 25 is penetrated through the slide block 24, both the first through hole 22 and the second through hole 25 are matched with the pin shaft 27, the support table 21 and the slide block 24 are positioned by the pin shaft 27, and a step 26 is arranged on the slide block 24, so that the slide block 24 slides left and right on the slide rail 23 and is fixed by the pin shaft 27, and the step 26 on the slide block 24 positions the vertical plate of the upper crossbeam.

[0037] Further, in the forklift outer gantry welding and alignment tooling of the present utility model, there are five push-pull type quick clamps 6. Four of the push-pull type quick clamps 6 are fixedly arranged in a rectangular shape in the middle of the tooling base 1 by bolts, and the other push-pull type quick clamp 6 is fixedly arranged on one side of the tooling base 1 close to the lower crossbeam support 8 by bolts. The output ends of the push-pull type quick clamps 6 are respectively oriented towards the outside of the tooling base 1, so that the forklift outer gantry is fixed on the tooling.

[0038] Further, in the forklift outer gantry welding and alignment tooling of the present utility model, the hinge ear positioning seat 7 includes a positioning frame 71, a shaft seat 72 and a first positioning shaft 74. The positioning frame 71 is fixed to the tooling base 1 by bolts. The shaft seat 72 is arranged at the top of the positioning frame 71. The shaft seat 72 is provided with a first shaft hole 73 through it. The first shaft hole 73 is matched with the first positioning shaft 74. The first positioning shaft 74 is slidably arranged in the first shaft hole 73. By inserting the first positioning shafts 74 on both sides of the positioning frame 71 into the middle crossbeam hinge ears for fixation, the coaxiality of the inner holes of the middle crossbeam hinge ears on both sides is ensured.

[0039] Further, in the forklift outer gantry welding and alignment tooling of the present utility model, the lower crossbeam support 8 includes a support frame 81 and a second positioning shaft 83. The support frame 81 is provided with a second shaft hole 82. The second shaft hole 82 is matched with the second positioning shaft 83. The second positioning shaft 83 is slidably arranged in the second shaft hole 82. By inserting the second positioning shafts 83 on both sides of the support frame 81 into the half-round holes of the huff seats on the left and right sides of the lower crossbeam for fixation, the coaxiality of the half-round holes of the huff seats on both sides is ensured.

[0040] Specifically, when the forklift outer gantry is welded and aligned, the tooling base 1 is used as the basic support for the side flange plate of the outer gantry channel steel, so that the head baffle 3 positions the upper end face of the channel steel. The upper crossbeam is positioned and supported by the head support seat 2. The outer end faces of the two side steel webs are positioned by the middle stop seat 4 to ensure that the inner opening dimension of the outer gantry channel steel web meets the design requirements. At the same time, the channel steel is clamped by the push-pull type quick clamp 6 on the inner side of the channel steel; the lifting cylinder fixing plate is positioned by the middle baffle 5, and the inner hole of the middle crossbeam hinge ear is positioned by the first positioning shaft 74 to ensure the coaxiality of the inner holes of the hinge ears on both sides, and at the same time to ensure the distance between the axis of the inner hole of the middle crossbeam hinge ear and the axis of the half-round of the huff seat of the front axle of the lower crossbeam; the lower crossbeam support 8 and the second positioning shaft 83 are used to position and clamp the huff seats on the left and right sides of the lower crossbeam to ensure the coaxiality of the half-rounds of the huff seats on both sides; at the same time, the manual template 9 is used to position the opening distance between the vertical plate of the lower crossbeam and the left and right sides of the lower crossbeam huff seat, thus eliminating the scribing work.

[0041] After the welding of the forklift outer gantry is completed, take out the pin shaft 27 to reset the slider 24, rotate the turning seat 42 of the middle retaining seat 4, reset the first positioning shaft 74 and the second positioning shaft 83, and loosen the push-pull type quick clamp 6, so that the channel steel, the upper cross beam, the middle cross beam and the lower cross beam are not restricted, and the outer gantry after the assembly welding can be easily removed.

[0042] In summary, compared with the prior art, the forklift outer gantry welding and assembly tooling of the present utility model has the following advantages and beneficial effects:

[0043] (1) Through the cooperation of the head support seat, the head baffle, the middle retaining seat, the middle baffle and the manual clamping plate with the push-pull type quick clamp, the welding and assembly accuracy of the outer gantry channel steel, the upper cross beam, the middle cross beam and the lower cross beam can be effectively improved;

[0044] (2) Through the arrangement of the first positioning shaft and the second positioning shaft, the coaxiality of the middle cross beam hinge ear and the lower cross beam half Haff seat is effectively ensured, and at the same time, it is convenient to remove the forklift outer gantry after welding, effectively improving the production efficiency.

[0045] It should be noted that in this article, unless otherwise clearly specified and limited, the term "connection" or its synonyms should be understood in a broad sense. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood according to specific circumstances. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. At the same time, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. In addition, in this article, "front", "rear", "left", "right", "upper" and "lower" are all referred to the placement state shown in the drawings.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A forklift outer mast welding assembly tool, characterized in that: The forklift outer door frame welding assembly tooling includes a tooling base, a head support base, a head baffle, an intermediate baffle, a middle baffle, a push-pull quick clamp, a hinge ear positioning base, a lower beam support and a manual pallet, the head support base is arranged at the front end of the tooling base, the head baffle is arranged at the tooling base near the front end of the head support base, the intermediate baffle is symmetrically arranged at the tooling base near the left and right sides of the head support base, the middle baffle is arranged at the tooling base near the rear end of the head support base, the hinge ear positioning base is symmetrically arranged in the middle of the tooling base, the lower beam support is symmetrically arranged at the rear end of the tooling base, the push-pull quick clamp is arranged on the tooling base, and the manual pallet is arranged at the tooling base near the rear end of the lower beam support, wherein: The head support seat comprises a support platform, a slide rail, a slider and a pin, the slide rail is arranged in the middle of the support platform, and the slider is slidably arranged on the slide rail and positioned by the pin.

2. The forklift outer mast welding assembly tool according to claim 1, characterized in that: The intermediate stop seat includes a hinge seat, a flip seat, a center axis and a positioning card plate. The hinge seat is fixed to the tooling base by bolts, the flip seat is hinged to the hinge seat by the center axis, the positioning card plate is welded on the top of the flip seat, and the surface roughness of the positioning card plate is Ra6.

3.

3. The forklift outer mast welding assembly tool according to claim 1, characterized in that: The support platform is fixed to the tooling base by bolts, a first through hole is penetrated at the top of both sides of the support platform, a second through hole is penetrated on the slider, the first through hole and the second through hole are both matched with the pin shaft, the support platform and the slider are positioned by the pin shaft, and a step is provided on the slider.

4. The forklift outer mast welding assembly tool according to claim 1, characterized in that: There are five push-pull quick clamps, four of which are fixed in a rectangular shape to the middle of the tooling base by bolts, and another push-pull quick clamp is fixed to the tooling base on one side close to the lower beam support by bolts, and the output ends of the push-pull quick clamps are respectively facing the outside of the tooling base.

5. The forklift outer mast welding assembly tool according to claim 1, characterized in that: The hinge ear positioning seat includes a positioning frame, an axle seat and a first positioning shaft. The positioning frame is fixed to the tooling base by bolts. The axle seat is arranged on the top of the positioning frame. The axle seat is penetrated by a first axle hole. The first axle hole matches the first positioning shaft. The first positioning shaft can be slidably arranged in the first axle hole.

6. The forklift outer mast welding assembly tool according to claim 1, characterized in that: The lower cross beam support includes a support frame and a second positioning shaft. The support frame is provided with a second shaft hole. The second shaft hole matches the second positioning shaft. The second positioning shaft can be slidably disposed in the second shaft hole.

Images