Support welding clamp

Abstract

The utility model discloses a bracket welding fixture, which is characterized in that a clamping device is arranged at the top of a fixed table, the clamping device comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism and a fourth clamping mechanism, and the first clamping mechanism, the third clamping mechanism, the fourth clamping mechanism and the second clamping mechanism are sequentially arranged along the width direction of the fixed table; the first clamping mechanism comprises a first telescopic air cylinder, a first clamping jaw and an air cylinder pin penetrating mechanism, the first telescopic air cylinder and the air cylinder pin penetrating mechanism are both installed on the fixing table, the output end of the first telescopic air cylinder is hinged to one end of the first clamping jaw, and the middle of the first clamping jaw is hinged to the fixing table. According to the technical effects, all the clamping mechanisms are used in cooperation, and a support to be welded can be stably clamped and fixed; the air cylinder pin penetrating mechanism not only can be used for positioning a workpiece, but also can automatically retreat the positioning pin shaft from the positioning hole under the condition that welding deformation exists after welding, so that the labor intensity of an operator is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a bracket welding fixture. Background Art

[0002] A bracket is composed of multiple special-shaped plates and special-shaped blocks by MAG welding (Metal Active Gas Arc Welding). After welding, due to welding deformation, the stress between the special-shaped blocks and the positioning pins is large, which makes it very difficult for the welding operator to remove the workpiece after welding. Therefore, it is urgent to design a new welding fixture so that the bracket can be removed smoothly after welding. Utility Model Content

[0003] To this end, the utility model provides a bracket welding fixture to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] According to a first aspect of the utility model, a bracket welding fixture comprises a fixing table and a clamping device, wherein the clamping device is installed on the top of the fixing table, and the clamping device comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism and a fourth clamping mechanism, wherein the first clamping mechanism, the third clamping mechanism, the fourth clamping mechanism and the second clamping mechanism are sequentially arranged along the width direction of the fixing table, and the first clamping mechanism, the second clamping mechanism, the third clamping mechanism and the fourth clamping mechanism are all used to clamp and fix the bracket to be welded;

[0006] The first clamping mechanism includes a first telescopic cylinder, a first clamping jaw and a cylinder pinning mechanism. The first telescopic cylinder and the cylinder pinning mechanism are both installed on the fixed platform. The output end of the first telescopic cylinder is hinged to one end of the first clamping jaw, and the middle part of the first clamping jaw is hinged to the fixed platform. The output end of the cylinder pinning mechanism is vertically arranged upward, and the first clamping jaw is located above the cylinder pinning mechanism.

[0007] Furthermore, the cylinder pin-threading mechanism includes a third telescopic cylinder and a pin shaft, the third telescopic cylinder is installed on the fixed platform, and the output shaft of the third telescopic cylinder is vertically arranged upward; the pin shaft is arranged at the output end of the output shaft of the third telescopic cylinder, and the pin shaft is arranged along the axis of the output shaft of the third telescopic cylinder.

[0008] Furthermore, the number of the cylinder pin-penetrating mechanisms is two, and the two cylinder pin-penetrating mechanisms are arranged in sequence in the width direction of the fixing platform.

[0009] Furthermore, the second clamping mechanism includes a second telescopic cylinder, a second clamping jaw and a support platform, the second telescopic cylinder and the support platform are both installed on the fixed platform, the output end of the output shaft of the second telescopic cylinder is hinged to one end of the second clamping jaw, the middle part of the second clamping jaw is hinged to the support platform, and the second clamping jaw is located above the support platform.

[0010] Furthermore, an adjustment gasket is provided on the top of the support platform.

[0011] Furthermore, the third clamping mechanism comprises two quick clamps arranged opposite to each other, and the first clamping mechanism is located between the two quick clamps of the third clamping mechanism.

[0012] Furthermore, the fourth clamping mechanism includes two quick clamps arranged opposite to each other, and the second clamping mechanism is located between the two quick clamps of the fourth clamping mechanism.

[0013] Furthermore, there are two clamping devices, and the two clamping devices are sequentially arranged along the length direction of the fixing platform.

[0014] Furthermore, a plurality of wheels are provided at the bottom of the fixing platform.

[0015] The utility model has the following advantages: the first clamping mechanism, the second clamping mechanism, the third clamping mechanism and the fourth clamping mechanism are used in cooperation with each other, and can stably clamp and fix the bracket to be welded, so as to facilitate the welding operation; by arranging the cylinder pin-penetrating mechanism, the cylinder pin-penetrating mechanism can be used to position the workpiece, and can automatically withdraw the positioning pin shaft from the positioning hole when there is welding deformation after welding, which greatly reduces the labor intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 A first perspective view of a bracket welding fixture in use state provided in some embodiments of the utility model.

[0019] Figure 2 A second perspective view of a bracket welding fixture in use state provided in some embodiments of the present invention.

[0020] Figure 3 A diagram showing the use status of a group of clamping mechanisms of a bracket welding fixture provided in some embodiments of the utility model.

[0021] Figure 4 A schematic structural diagram of a group of clamping mechanisms of a bracket welding fixture provided in some embodiments of the utility model.

[0022] In the figure: 1, fixed table, 2, first clamping mechanism, 3, second clamping mechanism, 4, third clamping mechanism, 5, fourth clamping mechanism, 6, wheel, 7, bracket to be welded, 8, cylinder pinning mechanism, 9, first telescopic cylinder, 10, second telescopic cylinder, 11, third telescopic cylinder, 12, pin shaft, 13, first clamping jaw, 14, second clamping jaw, 15, support table. DETAILED DESCRIPTION

[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1

[0025] like Figures 1 to 4 As shown, a bracket welding fixture in the embodiment of the first aspect of the utility model comprises a fixing platform 1 and a clamping device, the clamping device is installed on the top of the fixing platform 1, the clamping device comprises a first clamping mechanism 2, a second clamping mechanism 3, a third clamping mechanism 4 and a fourth clamping mechanism 5, the first clamping mechanism 2, the third clamping mechanism 4, the fourth clamping mechanism 5 and the second clamping mechanism 3 are sequentially arranged along the width direction of the fixing platform 1, and the first clamping mechanism 2, the second clamping mechanism 3, the third clamping mechanism 4 and the fourth clamping mechanism 5 are all used to clamp and fix the bracket 7 to be welded;

[0026] The first clamping mechanism 2 includes a first telescopic cylinder 9, a first clamping jaw 13 and a cylinder pinning mechanism 8. The first telescopic cylinder 9 and the cylinder pinning mechanism 8 are both installed on the fixed platform 1. The output end of the first telescopic cylinder 9 is hinged to one end of the first clamping jaw 13, and the middle part of the first clamping jaw 13 is hinged to the fixed platform 1. Specifically, a mounting seat is provided on the fixed platform 1, the first telescopic cylinder 9 is installed on the mounting seat, and the middle part of the first clamping jaw 13 is hinged to the mounting seat; the output end of the cylinder pinning mechanism 8 is vertically arranged upward, the first clamping jaw 13 is located above the cylinder pinning mechanism 8, and the clamping end of the first clamping jaw 13 is arranged toward the output end of the cylinder pinning mechanism 8.

[0027] The technical effect achieved by this embodiment is: the first clamping mechanism 2, the second clamping mechanism 3, the third clamping mechanism 4 and the fourth clamping mechanism 5 are used in conjunction with each other to stably clamp and fix the bracket 7 to be welded, so as to facilitate the welding operation; by setting the cylinder pinning mechanism 8, the cylinder pinning mechanism can be used to position the workpiece, and can also automatically withdraw the positioning pin shaft from the positioning hole when there is welding deformation after welding, thereby greatly reducing the labor intensity of the operator.

[0028] Example 2

[0029] like Figures 1 to 4 As shown, another bracket welding fixture provided in this embodiment has a structure including all the contents of embodiment 1, and only the different parts are described below.

[0030] In this embodiment, the cylinder pin-threading mechanism 8 includes a third telescopic cylinder 11 and a pin shaft 12. The third telescopic cylinder 11 is installed on the fixed platform 1, and the output shaft of the third telescopic cylinder 11 is arranged vertically upward; the pin shaft 12 is arranged at the output end of the output shaft of the third telescopic cylinder 11, and the pin shaft 12 is arranged along the axis of the output shaft of the third telescopic cylinder 11.

[0031] In the present embodiment, it should be noted that the number of the cylinder pin-penetrating mechanisms 8 is two, and the two cylinder pin-penetrating mechanisms 8 are arranged in sequence in the width direction of the fixing platform 1 .

[0032] The technical effect achieved by this embodiment is: the cylinder pin-threading mechanism 8 is driven by a telescopic cylinder, the overall structure is simple, and it is easy to control automatically, and can realize automatic pin-threading and pin-removing operations, thereby greatly reducing the labor intensity of on-site operators; two cylinder pin-threading mechanisms 8 are provided, which are used in conjunction with the first clamping jaw 13 to form a more stable clamping and fixing effect.

[0033] Example 3

[0034] like Figures 1 to 4 As shown, another bracket welding fixture provided in this embodiment has a structure including all the contents of Embodiment 2, and only the different parts are described below.

[0035] In this embodiment, the second clamping mechanism 3 includes a second telescopic cylinder 10, a second clamping jaw 14 and a support platform 15. The second telescopic cylinder 10 and the support platform 15 are both installed on the fixed platform 1. The output end of the output shaft of the second telescopic cylinder 10 is hinged to one end of the second clamping jaw 14, the middle part of the second clamping jaw 14 is hinged to the support platform 15, and the second clamping jaw 14 is located above the support platform 15.

[0036] In this embodiment, it should be noted that the clamping end of the second clamping jaw 14 is arranged opposite to the support platform 15, and an adjustment gasket is provided on the top of the support platform 15. The position of the bottom plate of the bracket 7 to be welded can be fine-tuned by increasing or decreasing the number of adjustment gaskets during use.

[0037] The technical effect achieved by this embodiment is: the second clamping mechanism 3 is driven by a telescopic cylinder, the overall structure is simple, and it is easy to control automatically; when used in conjunction with the first clamping mechanism 2, it can position and clamp the bottom plate of the bracket 7 to be welded.

[0038] Example 4

[0039] like Figures 1 to 4 As shown, another bracket welding fixture provided in this embodiment has a structure including all the contents of embodiment 1, and only the different parts are described below.

[0040] In this embodiment, the third clamping mechanism 4 includes two quick clamps arranged opposite to each other, and the first clamping mechanism 2 is located between the two quick clamps of the third clamping mechanism 4;

[0041] The fourth clamping mechanism 5 includes two quick clamps arranged opposite to each other, and the second clamping mechanism 3 is located between the two quick clamps of the fourth clamping mechanism 5 .

[0042] In this embodiment, it should be noted that the third clamping mechanism 4 and the fourth clamping mechanism 5 are used to clamp and fix the side panels of the bracket 7 to be welded, and the quick clamp adopts the clamp structure in the prior art. When in use, the clamping or loosening operation of the workpiece can be quickly completed by pulling the handle of the quick clamp.

[0043] Furthermore, the abutting end of each quick clamp is provided with an adjustment gasket, and during use, the position of the side plate of the bracket 7 to be welded can be fine-tuned by increasing or decreasing the number of the adjustment gaskets.

[0044] The technical effect achieved by this embodiment is that the third clamping mechanism 4 and the fourth clamping mechanism 5 both adopt quick clamps, which can quickly achieve the clamping or loosening operation of the workpiece when used, and the operation is simpler and more convenient.

[0045] Example 5

[0046] like Figures 1 to 4As shown, another bracket welding fixture provided in this embodiment has a structure including all the contents of embodiment 1, and only the different parts are described below.

[0047] In this embodiment, there are two clamping devices, which are sequentially arranged along the length direction of the fixing platform 1 , and symmetrically arranged along the axis of the fixing platform 1 .

[0048] In this embodiment, it should be noted that a plurality of wheels 6 are provided at the bottom of the fixing platform 1 . The wheels 6 are preferably universal wheels, and each wheel 6 is provided with a brake.

[0049] The technical effect achieved by this embodiment is: there are two clamping devices, which can clamp and fix two brackets 7 to be welded at the same time. When used with a welding robot, welding operations between the two can be carried out at the same time, and the welding efficiency is higher; by setting wheels 6, it is convenient to move the entire fixture.

[0050] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

[0051] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

Claims

1. A bracket welding fixture, characterized in that: The invention comprises a fixing platform (1) and a clamping device, wherein the clamping device is installed on the top of the fixing platform (1), and the clamping device comprises a first clamping mechanism (2), a second clamping mechanism (3), a third clamping mechanism (4) and a fourth clamping mechanism (5), wherein the first clamping mechanism (2), the third clamping mechanism (4), the fourth clamping mechanism (5) and the second clamping mechanism (3) are sequentially arranged along the width direction of the fixing platform (1), and the first clamping mechanism (2), the second clamping mechanism (3), the third clamping mechanism (4) and the fourth clamping mechanism (5) are all used for clamping and fixing a bracket (7) to be welded; The first clamping mechanism (2) comprises a first telescopic cylinder (9), a first clamping jaw (13) and a cylinder pinning mechanism (8); the first telescopic cylinder (9) and the cylinder pinning mechanism (8) are both mounted on the fixed platform (1); the output end of the first telescopic cylinder (9) is hinged to one end of the first clamping jaw (13); the middle part of the first clamping jaw (13) is hinged to the fixed platform (1); the output end of the cylinder pinning mechanism (8) is arranged vertically upward, and the first clamping jaw (13) is located above the cylinder pinning mechanism (8).

2. A bracket welding fixture according to claim 1, characterized in that: The cylinder pin-threading mechanism (8) comprises a third telescopic cylinder (11) and a pin shaft (12); the third telescopic cylinder (11) is mounted on the fixed platform (1); the output shaft of the third telescopic cylinder (11) is arranged vertically upward; the pin shaft (12) is arranged at the output end of the output shaft of the third telescopic cylinder (11), and the pin shaft (12) is arranged along the axis of the output shaft of the third telescopic cylinder (11).

3. A bracket welding fixture according to claim 2, characterized in that: The number of the cylinder pin-penetrating mechanisms (8) is two, and the two cylinder pin-penetrating mechanisms (8) are arranged in sequence in the width direction of the fixing platform (1).

4. A bracket welding fixture according to claim 1, characterized in that: The second clamping mechanism (3) comprises a second telescopic cylinder (10), a second clamping jaw (14) and a support platform (15); the second telescopic cylinder (10) and the support platform (15) are both mounted on the fixed platform (1); the output end of the output shaft of the second telescopic cylinder (10) is hinged to one end of the second clamping jaw (14); the middle part of the second clamping jaw (14) is hinged to the support platform (15); and the second clamping jaw (14) is located above the support platform (15).

5. A bracket welding fixture according to claim 4, characterized in that: An adjustment gasket is provided on the top of the support platform (15).

6. A bracket welding fixture according to claim 1, characterized in that: The third clamping mechanism (4) comprises two quick clamps arranged opposite to each other, and the first clamping mechanism (2) is located between the two quick clamps of the third clamping mechanism (4).

7. The bracket welding fixture according to claim 1, characterized in that: The fourth clamping mechanism (5) comprises two quick clamps arranged opposite to each other, and the second clamping mechanism (3) is located between the two quick clamps of the fourth clamping mechanism (5).

8. The bracket welding fixture according to claim 1, characterized in that: The number of the clamping devices is two, and the two clamping devices are arranged in sequence along the length direction of the fixing platform (1).

9. The bracket welding fixture according to claim 1, characterized in that: A plurality of wheels (6) are provided at the bottom of the fixing platform (1).

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