Welding tool for middle foot upper cross beam

Abstract

The utility model discloses a welding tool for a middle foot upper cross beam. The welding tool comprises a base platform; the first positioning device is arranged on the base platform and is used for placing and fixing an upper cross beam pipe; the second positioning device is arranged on the base platform and is used for placing and fixing a middle foot cross beam connecting piece; the third positioning device is arranged on the base platform and used for placing and fixing a middle foot supporting piece, and the welding device is arranged on the base platform and used for clamping and welding the upper cross beam pipe, the middle foot cross beam connecting piece and the middle foot supporting piece. Compared with the prior art, the welding device has the advantages that other metal pieces do not need to be used for welding, only three product pieces need to be placed on the first positioning device, the second positioning device and the third positioning device, then the product pieces are fixed and welded through the welding device, and in the welding process of the welding device, the welding efficiency is greatly improved. And deformation and dislocation of the three products caused by factors such as welding heating are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of table leg processing, in particular to a welding tool for a crossbeam on a middle leg. Background Art

[0002] The table crossbeam connection structure in the prior art is generally achieved by welding metal parts between the table legs and the crossbeam or by only relying on screws to lock them. The structure is simple and has poor structural stability, and cannot meet the requirements of rapid assembly and disassembly.

[0003] Therefore, the applicant has found a solution to the above-mentioned problem through beneficial exploration and research, and the technical solution to be introduced below is produced in this context. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a welding tool for the cross beam on the middle foot to solve the above-mentioned shortcomings and defects of the prior art.

[0005] The technical problem to be solved by the present invention can be achieved by adopting the following technical solutions:

[0006] A welding tool for a cross beam on a middle foot, characterized by comprising:

[0007] Base platform;

[0008] A first positioning device disposed on the base platform and used for placing and fixing the upper cross beam tube;

[0009] A second positioning device disposed on the base platform and used for placing and fixing the middle foot beam connecting member;

[0010] a third positioning device disposed on the base platform and used for placing and fixing the middle foot support, and

[0011] A welding device is arranged on the base platform and is used for clamping and welding the upper cross beam tube, the middle foot cross beam connecting piece and the middle foot supporting piece.

[0012] In a preferred embodiment of the present invention, it also includes a fourth positioning boss which is arranged on the base platform and is used to be in close contact with the upper cross beam tube.

[0013] In a preferred embodiment of the present invention, a support frame connected to the welding device is provided on the base platform.

[0014] In a preferred embodiment of the present utility model, the first positioning device includes a plurality of first positioning bosses spaced apart on the base platform, and the first positioning bosses are provided with groove surfaces matching with the upper cross beam tube.

[0015] In a preferred embodiment of the present invention, the second positioning device includes a group of second positioning bosses symmetrically arranged on the base platform, and each second positioning boss is provided with a groove surface that cooperates with the middle foot beam connector.

[0016] In a preferred embodiment of the present invention, the third positioning device includes a group of third positioning bosses symmetrically arranged on the base platform.

[0017] In a preferred embodiment of the present invention, the group of third positioning bosses is arranged in a rectangular structure.

[0018] In a preferred embodiment of the utility model, the welding device includes a first lifting and clamping cylinder and a second lifting and clamping cylinder arranged on the support frame, and the first lifting and clamping cylinder and the second lifting and clamping cylinder are respectively provided with a first clamping block and a second clamping block for clamping and welding the middle foot cross beam connecting member and the middle foot supporting member.

[0019] In a preferred embodiment of the present utility model, a first air inlet pipe and a first air outlet pipe are respectively provided on the first lifting and clamping cylinder.

[0020] In a preferred embodiment of the present utility model, a second air inlet pipe and a second air outlet pipe are respectively provided on the second lifting and clamping cylinder.

[0021] Due to the adoption of the above technical solution, the beneficial effect of the utility model is that: the utility model does not need to be welded through other metal parts, and only needs to place the three product parts on the first positioning device, the second positioning device, and the third positioning device, and then fix and weld them through the welding device. In the welding process of the utility model, the three product parts will not be deformed or dislocated due to factors such as welding heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 The utility model is a structural schematic diagram in which an upper crossbeam tube, a middle foot crossbeam connecting piece and a middle foot supporting piece are placed.

[0025] Figure 3 yes Figure 2 main view.

[0026] Figure 4 It is one of the working state diagrams of the utility model.

[0027] Figure 5 This is the second working state diagram of the utility model.

[0028] Figure 6 It is an exploded view of the utility model.

[0029] Figure 7 It is a structural schematic diagram of a welding device of the utility model.

[0030] Figure 8 It is a structural schematic diagram of the first lifting and clamping cylinder of the utility model.

[0031] Fig. 9 It is a structural schematic diagram of the second lifting and clamping cylinder of the utility model.

[0032] Fig.10 Finished product diagram of the upper cross beam tube, the middle foot cross beam connecting piece and the middle foot supporting piece of the utility model. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0034] See also Figures 1 to 10 The illustrated welding tool for a cross beam on a middle foot includes a base platform 10 , a first positioning device 20 , a second positioning device 30 , a third positioning device 40 , and a welding device 50 .

[0035] The base platform 10 is provided with a support frame 11 for connecting the welding device 50. The base platform 10 in this embodiment is arranged in a rectangular structure, and the base platform 10 of the utility model can be adjusted according to the sizes of the first positioning device 20, the second positioning device 30, the third positioning device 40, and the welding device 50.

[0036] The first positioning device 20 is arranged on the base platform 10 and is used for placing and fixing the upper cross beam tube 1. The first positioning device 20 in this embodiment includes a plurality of first positioning bosses 21 arranged at intervals on the base platform 10. The first positioning bosses 21 are provided with groove surfaces 21a that cooperate with the upper cross beam tube 1.

[0037] The second positioning device 30 is disposed on the base platform 10 and is used for placing and fixing the middle foot beam connector 2. The second positioning device 30 in this embodiment includes a group of second positioning bosses 31 symmetrically arranged on the base platform 10. Each second positioning boss 31 is provided with a groove surface 31a that matches the middle foot beam connector 2. Specifically, there are two second positioning bosses 31 in a group, and there are two groups in total.

[0038] The third positioning device 40 is disposed on the base platform 10 and is used for placing and fixing the middle foot support member 3. The third positioning device 40 in this embodiment includes a group of third positioning bosses 41 symmetrically arranged on the base platform 10. A group of third positioning bosses 41 is arranged in a rectangular structure. Specifically, there are two third positioning bosses 41 in a group, and there are two groups in total.

[0039] The welding device 50 is arranged on the base platform 10 and is used to clamp and weld the upper cross beam tube 1, the middle foot cross beam connector 2, and the middle foot support 3. The welding device 50 in this embodiment includes a first lifting clamping cylinder 51 and a second lifting clamping cylinder 52 arranged on the support frame 11. The first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 are respectively provided with a first clamping block 51a and a second clamping block 52a for clamping and welding the middle foot cross beam connector 2 and the middle foot support 3. Specifically, the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 are connected by a connecting plate 53.

[0040] The first lifting and clamping cylinder 51 is provided with a first air inlet pipe 51b and a first air outlet pipe 51c, respectively, while the second lifting and clamping cylinder 52 is provided with a second air inlet pipe 52b and a second air outlet pipe 52c, respectively.

[0041] In order to prevent the upper cross beam tube from moving laterally after being placed, the utility model further comprises a fourth positioning boss 60 which is arranged on the base platform 10 and is used to be in close contact with the upper cross beam tube 1 .

[0042] The working principle of the utility model is as follows:

[0043] 1. Clean the base platform 10 and the surfaces of the workpieces 1, 2, and 3 to remove iron scraps, dirt, and dust on the surface of the platform to ensure that there are no foreign objects between the platform and the workpiece;

[0044] 2. Adjust the first lifting and clamping cylinder 51 and the second lifting and clamping cylinder 52 to the exhaust and pressure relief state through the air pressure switch, so that the first lifting and clamping cylinder 51 and the second lifting and clamping cylinder 52 are in a vertical upward state;

[0045] 3. First, place the upper cross beam tube 1 on the first positioning boss 21 of the base platform 10, and use the groove surface of the first positioning boss 21 to limit the front and rear surfaces and the lower surface of the upper cross beam tube 1, and then place the side surface of the upper cross beam tube 1 close to the fourth positioning boss 60 to limit the left and right sides of the upper cross beam tube 1;

[0046] 4. Place the middle foot support member 3 and the middle foot cross beam connector 2 respectively directly above the third positioning boss 41 and the second positioning boss 31;

[0047] 5. Turn on the air pressure switch, adjust the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 to the air intake and pressurization state, so that the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 move downward at the same time, and fix the middle foot support member 3 and the middle foot cross beam connecting member 2 on the third positioning boss 41 and the second positioning boss 31 through the first clamping block 51a and the second clamping block 52a under the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52, so that the two cannot move;

[0048] 6. After the upper cross beam tube 1, the middle foot support member 3 and the middle foot cross beam connector 2 are clamped, the joints between the upper cross beam tube 1 and the middle foot support member 3, the upper cross beam tube 1 and the middle foot cross beam connector 2 are welded respectively, and the upper cross beam tube 1, the middle foot support member 3 and the middle foot cross beam connector 2 are welded into a whole. Since the upper cross beam tube 1, the middle foot support member 3 and the middle foot cross beam connector 2 are clamped and fixed, during the welding process, the three will not be deformed or misaligned due to factors such as welding heat.

[0049] 7. After welding and fixing, adjust the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 to a pressure relief state through the air pressure switch, so that the first lifting clamping cylinder 51 and the second lifting clamping cylinder 52 are in a vertical upward state;

[0050] 8. Take out the welded upper crossbeam tube assembly vertically.

[0051] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A welding tool for a crossbeam on a middle foot, characterized in that: include: Base platform; A first positioning device disposed on the base platform and used for placing and fixing the upper cross beam tube; A second positioning device disposed on the base platform and used for placing and fixing the middle foot beam connecting member; a third positioning device disposed on the base platform and used for placing and fixing the middle foot support, and A welding device is arranged on the base platform and is used for clamping and welding the upper cross beam tube, the middle foot cross beam connecting piece and the middle foot supporting piece.

2. The welding tool for the cross beam on the middle foot according to claim 1 is characterized in that: It also includes a fourth positioning boss which is arranged on the base platform and is used to be in close contact with the upper cross beam tube.

3. The welding tool for the middle foot crossbeam according to claim 1, characterized in that: A support frame connected to the welding device is arranged on the base platform.

4. The welding tool for the cross beam on the middle leg according to claim 1, characterized in that: The first positioning device includes a plurality of first positioning bosses spaced apart on the base platform, and a groove surface matching with the upper cross beam tube is provided on the first positioning bosses.

5. The welding tool for the middle foot crossbeam according to claim 1, characterized in that: The second positioning device includes a group of second positioning bosses symmetrically arranged on the base platform, and each second positioning boss is provided with a groove surface that cooperates with the middle foot beam connecting piece.

6. The welding tool for the middle foot crossbeam according to claim 1, characterized in that: The third positioning device includes a group of third positioning bosses symmetrically arranged on the base platform.

7. The welding tool for the middle leg upper crossbeam according to claim 6, characterized in that: The group of third positioning bosses is arranged in a rectangular structure.

8. The welding tool for the middle leg upper crossbeam according to claim 3, characterized in that: The welding device includes a first lifting and clamping cylinder and a second lifting and clamping cylinder arranged on the support frame, and the first lifting and clamping cylinder and the second lifting and clamping cylinder are respectively provided with a first clamping block and a second clamping block for clamping and welding the middle foot cross beam connecting member and the middle foot supporting member.

9. The welding tool for the middle foot crossbeam according to claim 8, characterized in that: The first lifting and clamping cylinder is respectively provided with a first air inlet pipe and a first air outlet pipe.

10. The welding tool for the middle foot crossbeam according to claim 8, characterized in that: The second lifting and clamping cylinder is respectively provided with a second air inlet pipe and a second air outlet pipe.

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