Angle seat welding tool

Abstract

The utility model relates to an angle seat welding tool, which belongs to the technical field of welding tools and comprises a support frame fixed on the upper surface of a support table, a smoke extraction mechanism is arranged on the upper surface of the support frame, an L-shaped plate is fixed on the upper surface of the support table, and a positioning mechanism is arranged on the right side of the bottom wall of an inner cavity of the L-shaped plate. The smoke suction mechanism comprises a filter box fixed to the upper surface of the supporting frame, a draught fan is fixed to the right side of the upper surface of the supporting frame, and the air inlet end of the draught fan communicates with the right side of the filter box through a pipeline. According to the angle seat welding tool, smoke generated during welding is sucked into the filter frame through the flow guide frame, then filtered through the filter screen structure and discharged through the air outlet end of the fan, harmful substances in the welding smoke can be effectively filtered through the filter screen structure, the working environment of operators is improved, and the welding quality is improved. Meanwhile, pollution to the environment is reduced, the filter screen structure is easy to replace and dredge, and daily maintenance is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of welding fixture technology, specifically to a corner bracket welding fixture. Background Technology

[0002] Currently, most automotive sheet metal parts welding fixtures in China require the use of corner brackets to install positioning components. Corner brackets are commonly used components in automotive welding tooling, and they can be welded and fixed using corner bracket welding tooling.

[0003] For example, CN217889990U discloses a welding fixture for angle brackets of various specifications, including a worktable and a first-station fixture assembly. The first-station fixture assembly is located above the worktable and includes a base, a baffle, a positioning component, a first clamping cylinder, and a first clamping plate. The base has an inclined structure, the baffle is vertically fixed to the lower end of the base, and the first clamping plate is driven by the first clamping cylinder. The positioning component and the first clamping plate are located on both sides of the base, and a clamping head driven by a clamping cylinder is provided above the base. This welding fixture for angle brackets of various specifications is suitable for welding angle brackets of different heights, without the need to switch fixtures, and provides accurate positioning, stable clamping, and high welding precision.

[0004] Although the aforementioned patent provides a secure clamping mechanism and high welding precision, the existing technology in this patent does not include a fume extraction system on the welding fixture. The fumes generated during welding can easily harm the operator's health, thus reducing its practicality. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an angled welding fixture that can extract and filter the fumes generated during welding, improving the working environment for operators and protecting their health. It solves the problem that existing welding fixtures do not have a fume extraction structure on the table, which can easily cause harm to operators due to the fumes generated during welding, thus reducing their practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A corner bracket welding fixture includes a support frame fixed to the upper surface of a support platform. The upper surface of the support frame is provided with a smoke extraction mechanism. An L-shaped plate is fixed to the upper surface of the support platform. A positioning mechanism is provided on the right side of the bottom wall of the inner cavity of the L-shaped plate.

[0008] The smoke extraction mechanism includes a filter box fixed to the upper surface of a support frame. A fan is fixed to the right side of the upper surface of the support frame. The air inlet of the fan is connected to the right side of the filter box through a pipe. A guide frame is fixed to the top wall of the inner cavity of the support frame through multiple mounting columns. The upper surface of the guide frame passes through the support frame through a pipe and is connected to the left side of the filter box. Two limiting plates are fixed to the bottom wall of the inner cavity of the filter box. A filter assembly is provided on the opposite side of the limiting plates on the left and right sides.

[0009] Furthermore, the filter assembly includes a filter frame placed on one side of the left and right limiting plates, a filter screen structure fixed inside the filter frame, a sealing ring fixed outside the filter frame, and a sealing plate fixed to the upper surface of the filter box by bolts, with the lower surface of the sealing plate abutting against the upper surface of the sealing ring.

[0010] Furthermore, the sealing plate includes a fixing cover, and a rubber sealing sheet is fixed to the lower surface of the fixing cover.

[0011] Furthermore, the positioning mechanism includes a first electric push rod fixed to the right side of the bottom wall of the L-shaped plate cavity. A connecting plate is fixed to the outer side of the output shaft of the first electric push rod. A fixing rod is fixed to the left side of the connecting plate. A first clamping plate is fixed to the left side of the fixing rod. A second electric push rod is fixed to the upper side of the right side of the connecting plate by a fixing bracket. The outer side of the output shaft of the second electric push rod slides through the connecting plate and extends to the left side. A U-shaped bracket is fixed to the outer side of the output shaft of the second electric push rod by bolts.

[0012] Furthermore, the positioning mechanism also includes a second clamping plate fixed to the left side of the U-shaped frame, a third electric push rod fixed to the upper side of the left side wall of the inner cavity of the L-shaped plate, and a third clamping plate fixed to the outer side of the output shaft of the third electric push rod.

[0013] Furthermore, a first sliding groove is provided on the bottom wall of the inner cavity of the L-shaped plate, and a first slider is slidably connected inside the first sliding groove. The upper surface of the first slider is fixedly connected to the lower surface of the connecting plate, and the connecting plate is slidably connected to the bottom wall of the inner cavity of the L-shaped plate.

[0014] Furthermore, a second sliding groove is provided on the left side wall of the inner cavity of the L-shaped plate, and a second slider is slidably connected inside the second sliding groove. The right side of the second slider is fixedly connected to the left side of the third clamping plate, and the third clamping plate is slidably connected to the left side wall of the inner cavity of the L-shaped plate.

[0015] Furthermore, anti-slip rubber sheets are fixed to one side of the first clamping plate, the second clamping plate, and the third clamping plate.

[0016] Compared with the prior art, the present invention provides a corner bracket welding fixture, which has the following beneficial effects:

[0017] 1. This corner bracket welding fixture draws welding fumes into a filter frame via a guide frame. The fumes are then filtered through a filter screen and discharged through the fan outlet. The filter screen effectively removes harmful substances from the welding fumes. The fume extraction mechanism promptly removes harmful fumes generated by the operator during welding, improving the operator's working environment and reducing environmental pollution. Furthermore, the filter screen is easy to replace and unclog, facilitating routine maintenance.

[0018] 2. This corner bracket welding fixture, by activating the first electric push rod, the second electric push rod, and the third electric push rod, drives the first clamping plate, the second clamping plate, and the third clamping plate to move respectively, which can clamp and fix the corner bracket to be welded. The multi-point clamping ensures that the corner bracket remains stable during the welding process, thereby improving the welding quality and accuracy. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the smoke extraction mechanism of this utility model;

[0021] Figure 3 This utility model Figure 2 A magnified structural diagram of structure A is shown below;

[0022] Figure 4 This is a schematic diagram of the connection structure between the filter frame and the filter screen of this utility model;

[0023] Figure 5 This is a schematic diagram of the positioning mechanism of this utility model.

[0024] In the diagram: 1 Support platform, 2 Support frame, 3 Smoke extraction mechanism, 301 Filter box, 302 Fan, 303 Guide frame, 304 Limiting plate, 305 Filter frame, 306 Filter screen structure, 307 Sealing ring, 308 Sealing plate, 4 L-shaped plate, 5 Positioning mechanism, 501 First electric push rod, 502 Connecting plate, 503 Fixing rod, 504 First clamping plate, 505 Second electric push rod, 506 U-shaped frame, 507 Second clamping plate, 508 Third electric push rod, 509 Third clamping plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 In this embodiment, a corner bracket welding fixture includes a support frame 2 fixed to the upper surface of a support platform 1. The upper surface of the support frame 2 is provided with a smoke extraction mechanism 3. An L-shaped plate 4 is fixed to the upper surface of the support platform 1. A positioning mechanism 5 is provided on the right side of the bottom wall of the inner cavity of the L-shaped plate 4.

[0027] Please see Figures 2 to 4 In this embodiment, the smoke extraction mechanism 3 includes a filter box 301 fixed on the upper surface of the support frame 2. A fan 302 is fixed on the right side of the upper surface of the support frame 2. The air inlet of the fan 302 is connected to the right side of the filter box 301 through a pipe. A guide frame 303 is fixed on the top wall of the inner cavity of the support platform 1 through multiple mounting columns. The upper surface of the guide frame 303 passes through the support frame 2 through a pipe and is connected to the left side of the filter box 301. Two limiting plates 304 are fixed on the bottom wall of the inner cavity of the filter box 301. A filter assembly is provided on the opposite side of the left and right limiting plates 304.

[0028] Specifically, the filter assembly includes a filter frame 305 placed on the opposite side of the left and right limiting plates 304. A filter screen structure 306 is fixed inside the filter frame 305, and a sealing ring 307 is fixed on the outside of the filter frame 305. A sealing plate 308 is fixed to the upper surface of the filter box 301 by bolts. The lower surface of the sealing plate 308 abuts against the upper surface of the sealing ring 307. The sealing plate 308 includes a fixing cover, and a rubber sealing sheet is fixed to the lower surface of the fixing cover.

[0029] It should be noted that during welding, the fan 302 can be turned on. The fumes generated during welding are drawn into the filter frame 305 through the guide frame 303, then filtered by the filter screen structure 306, and finally discharged through the air outlet of the fan 302. The sealing plate 308 can be removed by turning the bolts on the left and right sides of the upper surface of the sealing plate 308. Then, the filter frame 305 can be pulled upward from the inside of the filter box 301 to facilitate the unblocking and replacement of the filter screen structure 306.

[0030] It should be noted that the sealing ring 307 is a sealing rubber ring, which can seal the connection between the filter frame 305 and the filter box 301. The filter screen structure 306 includes a primary filter screen, and an activated carbon filter screen is fixed to the right side of the primary filter screen. The primary filter screen can intercept smoke particles, and the activated carbon filter screen can adsorb harmful gases to further purify the air. The right side of the filter box 301 is connected to a sealing door by a hinge. The sealing door is fixed to the left side of the filter box 301 by a locking device. By opening the sealing door, the smoke particles accumulated inside the filter box 301 can be removed. The filter screen structure 306 can effectively filter harmful substances in welding fumes. Through the setting of the fume extraction mechanism, harmful fumes generated by the operators during welding are extracted in a timely manner, improving the working environment of the operators.

[0031] Please see Figure 5 In this embodiment, the positioning mechanism 5 includes a first electric push rod 501 fixed to the right side of the bottom wall of the inner cavity of the L-shaped plate 4. A connecting plate 502 is fixed to the outside of the output shaft of the first electric push rod 501. A fixing rod 503 is fixed to the left side of the connecting plate 502. A first clamping plate 504 is fixed to the left side of the fixing rod 503. A second electric push rod 505 is fixed to the upper side of the right side of the connecting plate 502 by a fixing bracket. The outside of the output shaft of the second electric push rod 505 slides through the connecting plate 502 and extends to the left side. A U-shaped bracket 506 is fixed to the outside of the output shaft of the second electric push rod 505 by bolts.

[0032] Specifically, the positioning mechanism 5 also includes a second clamping plate 507 fixed to the left side of the U-shaped frame 506, a third electric push rod 508 fixed to the upper side of the left side wall of the inner cavity of the L-shaped plate 4, a third clamping plate 509 fixed to the outer side of the output shaft of the third electric push rod 508, a first sliding groove provided in the bottom wall of the inner cavity of the L-shaped plate 4, a first slider slidably connected inside the first sliding groove, the upper surface of the first slider being fixedly connected to the lower surface of the connecting plate 502, the connecting plate 502 being slidably connected to the bottom wall of the inner cavity of the L-shaped plate 4, a second sliding groove provided in the left side wall of the inner cavity of the L-shaped plate 4, a second slider slidably connected inside the second sliding groove, the right side of the second slider being fixedly connected to the left side of the third clamping plate 509, the third clamping plate 509 being slidably connected to the left side wall of the inner cavity of the L-shaped plate 4, and anti-slip rubber sheets fixed to one side of the first clamping plate 504, the second clamping plate 507 and the third clamping plate 509.

[0033] It should be noted that the corner brackets to be welded can be placed in the L-shaped plate 4. Then, by activating the first electric push rod 501, the second electric push rod 505, and the third electric push rod 508, the first clamping plate 504, the second clamping plate 507, and the third clamping plate 509 are moved respectively, and the corner brackets to be welded can be clamped and fixed. Then, the connection of the corner brackets is welded by an external welding gun. Multi-point clamping is used to ensure that the corner brackets remain stable during the welding process, thereby improving the welding quality and accuracy.

[0034] The working principle of the above embodiments is as follows:

[0035] In use, the corner brackets to be welded can be placed in the L-shaped plate 4. Then, by activating the first electric push rod 501, the second electric push rod 505, and the third electric push rod 508, the first clamping plate 504, the second clamping plate 507, and the third clamping plate 509 are moved respectively, and the corner brackets to be welded can be clamped and fixed. Then, the connection of the corner brackets is welded using an external welding gun. During welding, the fan 302 can be turned on. The smoke generated during welding is drawn into the interior of the filter frame 305 through the guide frame 303, filtered by the filter screen structure 306, and then discharged through the air outlet of the fan 302. By twisting the bolts on the left and right sides of the upper surface of the sealing plate 308, the sealing plate 308 can be removed. Then, the filter frame 305 is pulled upward from the interior of the filter box 301 to facilitate the unblocking and replacement of the filter screen structure 306.

[0036] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corner bracket welding fixture, comprising a support frame (2) fixed to the upper surface of a support platform (1), characterized in that: The upper surface of the support frame (2) is provided with a smoke extraction mechanism (3), and the upper surface of the support platform (1) is fixed with an L-shaped plate (4). The right side of the bottom wall of the inner cavity of the L-shaped plate (4) is provided with a positioning mechanism (5). The smoking mechanism (3) includes a filter box (301) fixed on the upper surface of the support frame (2). A fan (302) is fixed on the right side of the upper surface of the support frame (2). The air inlet of the fan (302) is connected to the right side of the filter box (301) through a pipe. A guide frame (303) is fixed on the top wall of the inner cavity of the support platform (1) through multiple mounting columns. The upper surface of the guide frame (303) passes through the support frame (2) through a pipe and is connected to the left side of the filter box (301). Two limiting plates (304) are fixed on the bottom wall of the inner cavity of the filter box (301). A filter assembly is provided on the opposite side of the limiting plates (304) on the left and right sides.

2. The corner bracket welding fixture according to claim 1, characterized in that: The filter assembly includes a filter frame (305) placed on the opposite side of the left and right limiting plates (304). A filter screen structure (306) is fixed inside the filter frame (305). A sealing ring (307) is fixed on the outside of the filter frame (305). A sealing plate (308) is fixed to the upper surface of the filter box (301) by bolts. The lower surface of the sealing plate (308) abuts against the upper surface of the sealing ring (307).

3. The corner bracket welding fixture according to claim 2, characterized in that: The sealing plate (308) includes a fixing cover, and a rubber sealing sheet is fixed on the lower surface of the fixing cover.

4. The corner bracket welding fixture according to claim 1, characterized in that: The positioning mechanism (5) includes a first electric push rod (501) fixed to the right side of the bottom wall of the L-shaped plate (4). A connecting plate (502) is fixed to the outside of the output shaft of the first electric push rod (501). A fixing rod (503) is fixed to the left side of the connecting plate (502). A first clamping plate (504) is fixed to the left side of the fixing rod (503). A second electric push rod (505) is fixed to the upper right side of the connecting plate (502) by a fixing bracket. The outside of the output shaft of the second electric push rod (505) slides through the connecting plate (502) and extends to the left side. A U-shaped bracket (506) is fixed to the outside of the output shaft of the second electric push rod (505) by bolts.

5. The corner bracket welding fixture according to claim 4, characterized in that: The positioning mechanism (5) further includes a second clamping plate (507) fixed on the left side of the U-shaped frame (506), a third electric push rod (508) fixed on the upper side of the left side wall of the inner cavity of the L-shaped plate (4), and a third clamping plate (509) fixed on the outer side of the output shaft of the third electric push rod (508).

6. The corner bracket welding fixture according to claim 4, characterized in that: The bottom wall of the inner cavity of the L-shaped plate (4) is provided with a first sliding groove, and a first slider is slidably connected inside the first sliding groove. The upper surface of the first slider is fixedly connected to the lower surface of the connecting plate (502), and the connecting plate (502) is slidably connected to the bottom wall of the inner cavity of the L-shaped plate (4).

7. The corner bracket welding fixture according to claim 5, characterized in that: The left side wall of the inner cavity of the L-shaped plate (4) is provided with a second sliding groove, and a second slider is slidably connected inside the second sliding groove. The right side of the second slider is fixedly connected to the left side of the third clamping plate (509), and the third clamping plate (509) is slidably connected to the left side wall of the inner cavity of the L-shaped plate (4).

8. The corner bracket welding fixture according to claim 5, characterized in that: Anti-slip rubber sheets are fixed to one side of the first clamping plate (504), the second clamping plate (507), and the third clamping plate (509).

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