CN219293146U

CN219293146U - Bracket circumferential weld welding positioning tool

Info

Publication number: CN219293146U
Application number: CN202320049071.5U
Authority: CN
Inventors: 吕景东; 魏鹏; 马卫平
Original assignee: Jiangsu Weiwei Robot Technology Co ltd
Current assignee: Jiangsu Weiwei Robot Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-04
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a bracket girth welding positioning tool which comprises a U-shaped support frame, wherein a first fixing piece and a second fixing piece for fixing a bracket are respectively arranged at two ends of the support frame, and a support piece for supporting the bracket is arranged in the middle of the support frame; the support piece comprises a support block, wherein the support block is provided with a support groove for accommodating the support, and two ends of the support block are respectively provided with a positioning frame for positioning the size of the support; the second fixing piece is provided with the manual clamping plate and the fixed clamping plate for clamping the bracket plate, the two fixing pieces and the supporting piece are utilized to realize unified positioning of three parts, the supporting piece can automatically give up the position after positioning is finished, the rotary welding is convenient, the positioning can be finished only once, the efficiency is high, the size of a finished product is the same, and the yield is higher.

Description

Bracket circumferential weld welding positioning tool

Technical Field

The utility model relates to a welding tool, in particular to a bracket girth welding positioning tool.

Background

When welding the bracket, three parts are welded together, and the currently adopted mode is to weld after positioning two parts and then weld after positioning the two parts and the third part. However, in this way, the situation that the size error is very large often occurs, and because the three parts need to be welded in two positioning and rotation, the sizes of the three parts after the two positioning and rotation welding are completed cannot be ensured, so that the sizes of finished products are different, and the defective rate is high.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the bracket girth welding positioning tool, the unified positioning of three parts is realized by utilizing two fixing pieces and one supporting piece, the supporting piece can automatically give out the position after the positioning is finished, the rotating welding is convenient, the positioning can be finished only once, the efficiency is high, the size of a finished product is the same, and the yield is higher.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: the bracket girth welding positioning tool comprises a U-shaped support frame, wherein a first fixing piece and a second fixing piece for fixing a bracket are respectively arranged at two ends of the support frame, and a support piece for supporting the bracket is arranged in the middle of the support frame;

the support piece comprises a support block, wherein the support block is provided with a support groove for accommodating the support, and two ends of the support block are respectively provided with a positioning frame for positioning the size of the support;

the second fixing piece is provided with a manual clamping plate and a fixed clamping plate for clamping the bracket plate.

Further, the support piece comprises a lifting hydraulic cylinder, the lifting hydraulic cylinder is fixed on the support frame, a driving rod of the lifting hydraulic cylinder is fixed on the support block, and guide rods are respectively fixed on two sides of the support block.

Further, the positioning frame comprises a first positioning frame fixed on one side of the supporting block and a second positioning frame fixed on the other side of the supporting block; a groove which is flush with the supporting groove is formed in the middle of the first positioning frame, and a first high supporting column and a first low supporting column are respectively arranged at two ends of the first positioning frame; the middle part of second locating rack offer with the groove of supporting groove parallel and level, both ends all are provided with the high support column of second.

Further, the first fixing piece comprises a first hydraulic cylinder and a first fixing plate, a second fixing plate is fixed on the first fixing plate, and the second fixing plate faces the supporting piece; the driving rod of the first hydraulic cylinder is fixedly connected with a first push block, and the two fixing plates are provided with holes for the first push block to pass through.

Further, the second fixing piece comprises a second hydraulic cylinder, a second pushing block fixed on a driving rod of the second hydraulic cylinder, a mounting plate fixed on the supporting frame, a cross beam fixed on the mounting plate and a fixing clamping plate fixed on the cross beam; the fixed clamping plate faces the support.

Further, the cross beam is hinged with a hook through a second hinge shaft, and the end part of the hook is fixed with the manual clamping plate.

Further, the beam is provided with a quick chuck, and the quick chuck is hinged to the hook through a first hinge shaft so that the hook can rotate by taking the second hinge shaft as a circle center to lift or drop the manual clamping plate.

In summary, the present utility model achieves the following technical effects:

according to the utility model, the first fixing piece and the second fixing piece are arranged, the plate A and the plate B are respectively fixed, the support piece is used for fixing the round pipe fitting B, the three parts are assembled together in a positioning way under the combined action, and the support piece can withdraw to give up the welding position, so that the whole welding effect can be realized by positioning once; the positioning frame is arranged, so that the welding size of three parts can be ensured, and the yield is ensured;

the utility model can improve the welding efficiency at the present stage, reduce the complicated operation of manpower, improve the welding precision, and accurately and reliably position and clamp; the welding deformation is effectively prevented and lightened, so that the workpiece is positioned at the optimal welding position, and the formability of the welding seam is good;

according to the utility model, the workpiece is accurately clamped and positioned by the three hydraulic cylinders, and mechanical devices are used for replacing heavy work such as positioning, clamping and workpiece overturning when the part is assembled manually, so that the predeformation fine adjustment design is realized on the fixture, and the coaxiality, verticality and other relevant dimensions of the part are ensured to meet the drawing requirements;

the hydraulic clamping device is simple and quick in clamping, accurate in positioning and capable of fixing a workpiece, and hydraulic clamping has stable and enough clamping force.

Drawings

FIG. 1 is a bracket girth welding positioning tool provided by an embodiment of the utility model;

FIG. 2 is a schematic view of a support;

FIG. 3 is a front view of FIG. 1;

fig. 4 is a schematic view of the state of the clamping bracket.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Examples:

as shown in fig. 1, a bracket girth welding positioning tool comprises a plate A (shown in fig. 4), a round tube B (shown in fig. 4) and a plate C (shown in fig. 4), and the bracket is used for welding three parts together and comprises a U-shaped support frame 1, wherein a first fixing piece 3 and a second fixing piece 4 for fixing the bracket are respectively arranged at two ends of the support frame 1, and a support piece 2 for supporting the bracket is arranged in the middle of the support frame 1.

As shown in fig. 2, the support 2 includes a support block 203, the support block 203 is provided with a support groove 204 for accommodating a bracket, and two ends of the support block 203 are respectively provided with a positioning frame for positioning the bracket.

Specifically, the supporting member 2 includes a lifting hydraulic cylinder 201, the lifting hydraulic cylinder 201 is fixed on the supporting frame 1, a driving rod of the lifting hydraulic cylinder 201 fixes a supporting block 203, two sides of the supporting block 203 are respectively fixed with a guide rod 202, and the guide rods 202 are matched with guide sleeves for guiding. The lifting hydraulic cylinder 201 drives the supporting block 203 to move up and down, and the round tube B (shown in FIG. 4) of the support frame is supported when the lifting hydraulic cylinder is in an upward movement, so that a welding position can be yielded when the lifting hydraulic cylinder is in a downward movement.

As shown in fig. 2, the positioning frames include a first positioning frame 205 fixed to one side of the supporting block 203 and a second positioning frame 208 fixed to the other side of the supporting block 203; the middle part of the first positioning frame 205 is provided with a groove which is flush with the supporting groove 204, and two ends of the first positioning frame are respectively provided with a first high supporting column 206 and a first low supporting column 207; the middle part of the second positioning frame 208 is provided with a groove which is flush with the supporting groove 204, and both ends of the second positioning frame are provided with second high supporting columns 209. The groove of the first positioning frame 205, the groove of the second positioning frame 208 and the supporting groove 204 support the circular pipe fitting B together. Wherein, first locating rack 205, second locating rack 208 divide into the length that both sides can match whole circular tube spare B to laminate the size of support, make plate A, plate C function laminating first locating rack 205, the outer wall of second locating rack 208 realize accurate locate function, and guarantee welded size compliance.

As shown in fig. 3, the first fixing member 3 includes a first hydraulic cylinder 301 and a first fixing plate 302, the first fixing plate 302 is fixed with a second fixing plate 303, the second fixing plate 303 faces the first positioning frame 205 of the supporting member 2, a driving rod of the first hydraulic cylinder 301 is fixedly connected with a first push block 304, the second fixing plate 303 is provided with a hole for the first push block 304 to pass through, and the first push block 304 extrudes the plate a. When the plate a is in place, the first push block 304 presses the plate a against the support block 203 to achieve positioning.

As shown in fig. 3, the second fixing member 4 is provided with a manual gripping plate 409 and a fixed gripping plate 404 for gripping the bracket plate. Specifically, the second fixing member 4 includes a second hydraulic cylinder 401, a second push block fixed to a driving rod of the second hydraulic cylinder 401, a mounting plate 402 fixed to the support frame 1, a cross beam 403 fixed to the mounting plate 402, and a fixed clamping plate 404 fixed to the cross beam 403; the fixed clamping plate 404 faces the supporting member 2, and the fixed clamping plate 404 is inconvenient in holding position, so that the positioning of the plate member C can be realized. The groove of the second positioning frame 208 can be used for placing the round pipe fitting B, and meanwhile, the second pushing block can be enabled to contact the round pipe fitting B to achieve clamping and positioning. The cross beam 403 is hinged with a hook 406 by a second hinge shaft 408, and the end of the hook 406 is fixed with a manual clamping plate 409. The cross beam 403 is provided with a quick clamp 405, the quick clamp 405 being hinged to the hook 406 by a first hinge shaft 407 such that the hook 406 can rotate about a second hinge shaft 408 to raise or lower the manual clamping plate 409. The quick chuck 405 includes a fixing block 410 fixed on the beam 403, the fixing block 410 is hinged with a handle 411, the middle part of the handle 411 is hinged with a connecting piece 412, the other end of the connecting piece 412 is hinged with a telescopic rod 413, and the telescopic rod 413 is hinged with the first hinge shaft 407. Wherein the fixed block 410 is further provided with a guide sleeve for guiding the telescopic rod 413. When the handle 411 is rotated rightward, under the action of a plurality of hinges, the telescopic rod 413 is moved rightward and pulls the hook 406 to rotate upward, so that the manual clamping plate 409 moves upward away from the fixed clamping plate 404, and the plate C is convenient to install; when the handle 411 is turned leftwards, the manual clamping plate 409 descends to approach the fixed clamping plate 404 to clamp the plate C, so that the problem of inaccurate and unstable positioning of the plate C in the prior art is solved.

Working principle:

referring to fig. 4, the circular tube member B is placed in the supporting groove; placing the plate A on the first fixing piece 3, and then driving the first pushing block 304 by the first hydraulic cylinder to squeeze the plate A on the side edge of the round pipe fitting B so that the plate A contacts with the round pipe fitting B;

placing the plate C in a manner of being attached to the fixed clamping plate 404, driving the second pushing block to squeeze the plate C by the second hydraulic cylinder 401, and controlling the handle 411 to enable the manual clamping plate 409 to descend to be close to the fixed clamping plate 404 so as to clamp the plate C;

at this time, the plate a and the plate C respectively contact two ends of the round tube B, two sides are clamped by the first hydraulic cylinder and the second hydraulic cylinder, the lifting hydraulic cylinder 201 drives the supporting block 203 to descend, at this time, the supporting piece 2 is wholly abducted, the right side of the plate C is clamped and fixed by the fixed clamping plate 404 and the manual clamping plate 409, the left side of the plate a is fixed by the second fixing plate 303, the left side of the round tube B is fixed by the first pushing block 304, and the right side is fixed by the second pushing block.

The support frame 1 is connected to a manipulator (not shown) to realize overturning, so that the whole welding tool can rotate to weld the annular seams among the plate A, the round pipe B and the plate C.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.

Claims

1. A support girth welding positioning tool is characterized in that: the support comprises a U-shaped support frame (1), wherein a first fixing piece (3) and a second fixing piece (4) for fixing a support are respectively arranged at two ends of the support frame (1), and a support piece (2) for supporting the support is arranged in the middle of the support frame (1);

the support piece (2) comprises a support block (203), wherein the support block (203) is provided with a support groove (204) for accommodating a bracket, and positioning frames for positioning the size of the bracket are respectively arranged at two ends of the support block (203);

the second fixing piece (4) is provided with a manual clamping plate (409) and a fixed clamping plate (404) for clamping the bracket plate.

2. The bracket girth welding positioning tool according to claim 1, wherein: the support piece (2) comprises a lifting hydraulic cylinder (201), the lifting hydraulic cylinder (201) is fixed on the support frame (1), the support block (203) is fixed by a driving rod of the lifting hydraulic cylinder (201), and guide rods (202) are respectively fixed on two sides of the support block (203).

3. The bracket girth welding positioning tool according to claim 2, wherein: the positioning frames comprise a first positioning frame (205) fixed on one side of the supporting block (203) and a second positioning frame (208) fixed on the other side of the supporting block (203); a groove which is flush with the supporting groove (204) is formed in the middle of the first positioning frame (205), and a first high supporting column (206) and a first low supporting column (207) are respectively arranged at two ends of the first positioning frame; the middle part of second locating rack (208) offered with the groove of supporting groove (204) parallel and level, both ends all are provided with second high support column (209).

4. The bracket girth welding positioning tool according to claim 1, wherein: the first fixing piece (3) comprises a first hydraulic cylinder (301) and a first fixing plate (302), a second fixing plate (303) is fixed on the first fixing plate (302), and the second fixing plate (303) faces the supporting piece (2); the driving rod of the first hydraulic cylinder (301) is fixedly connected with a first push block (304), and the two fixing plates (303) are provided with holes for the first push block (304) to pass through.

5. The bracket girth welding positioning tool according to claim 1, wherein: the second fixing piece (4) comprises a second hydraulic cylinder (401), a second pushing block fixed on a driving rod of the second hydraulic cylinder (401), a mounting plate (402) fixed on the support frame (1), a beam (403) fixed on the mounting plate (402) and the fixed clamping plate (404) fixed on the beam (403); the fixed clamping plate (404) faces the support (2).

6. The bracket girth welding positioning tool according to claim 5, wherein: the cross beam (403) is hinged with a hook (406) through a second hinge shaft (408), and the end part of the hook (406) is fixed with the manual clamping plate (409).

7. The bracket girth welding positioning tool according to claim 6, wherein: the beam (403) is provided with a quick chuck (405), and the quick chuck (405) is hinged to the hook (406) through a first hinge shaft (407) so that the hook (406) can rotate by taking the second hinge shaft (408) as a circle center to lift or drop the manual clamping plate (409).