A welding fixture for automobile sheet metal parts

Abstract

The utility model discloses a welding fixture for automobile sheet metal parts, comprising: a welding platform; two welding fixtures, which are detachably connected to the welding platform, and the two welding fixtures are relatively arranged along the length direction of the welding platform; the welding fixture comprises: a bottom plate, which is arranged on the welding platform; a vertical plate, which is fixedly arranged on the bottom plate and perpendicular to the bottom plate; the vertical plate is arranged close to one end of the bottom plate; a plurality of limit stops, which are fixedly mounted on the vertical plate; wherein the limit stops on the two welding fixtures are relatively arranged; two sheet metal parts to be welded are respectively arranged on the two welding fixtures, and one end of the sheet metal parts abuts against the limit stops; a rotating pressing cylinder, which is fixedly arranged on the bottom plate; the moving end of the rotating pressing cylinder can rotate toward the sheet metal part and descend to press on the top of the sheet metal part, or rise and rotate in a direction away from the sheet metal part.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding tooling, in particular to a welding fixture tooling for automobile sheet metal parts. Background Art

[0002] There are many sheet metal parts in the body parts of automobiles, which need to be clamped and fixed with fixtures during the welding process. At present, some sheet metal welding fixtures need to set up many complex clamping mechanisms to ensure the stability of clamping, which makes it difficult to disassemble and assemble the sheet metal parts to be welded. Utility Model Content

[0003] The utility model aims to overcome the defects of the prior art and provides a welding fixture for automobile sheet metal parts, which has a simple structure, is convenient for disassembly and assembly of sheet metal parts to be welded, and can ensure the stability of clamping.

[0004] The technical solution provided by the utility model is:

[0005] An automobile sheet metal welding fixture tooling, comprising:

[0006] Welding platform;

[0007] Two welding fixtures, which are detachably connected to the welding platform, and the two welding fixtures are arranged opposite to each other along the length direction of the welding platform;

[0008] The welding fixture comprises:

[0009] A bottom plate, which is arranged on the welding platform;

[0010] A vertical plate is fixedly mounted on the bottom plate and is vertically mounted on the bottom plate; the vertical plate is disposed close to one end of the bottom plate;

[0011] A plurality of limit stops, which are fixedly mounted on the vertical plate;

[0012] The limit blocks on the two welding fixtures are arranged opposite to each other; the two sheet metal parts to be welded are respectively arranged on the two welding fixtures, and one end of the sheet metal parts abuts against the limit block;

[0013] A rotary pressing cylinder, which is fixedly arranged on the bottom plate;

[0014] The moving end of the rotary pressing cylinder can rotate toward the sheet metal part and descend to press on the top of the sheet metal part, or rise and rotate in a direction away from the sheet metal part.

[0015] Preferably, the welding platform is provided with a plurality of sets of quick-release locking mechanisms for connecting the welding fixture;

[0016] Each group of the quick-release locking mechanisms comprises a plurality of quick-release locking members, and the plurality of quick-release locking members are symmetrically fixedly mounted on both sides of the welding platform in pairs;

[0017] Wherein, each of the welding fixtures corresponds to a group of the quick-release locking mechanisms, and the installation positions of the two welding fixtures on the welding platform can be changed by connecting the welding fixtures with different quick-release locking mechanisms.

[0018] Preferably, the quick-release locking member comprises:

[0019] Two angle brackets, which are respectively fixedly connected to the sides of the welding platform, and the two angle brackets are symmetrically spaced;

[0020] A rotating shaft, both ends of which are fixedly connected to the two angle brackets;

[0021] A swing bolt is located between the two angle brackets, and one end of the swing bolt is rotatably sleeved on the rotating shaft; the other end of the swing bolt is connected with a butterfly nut;

[0022] Wherein, a groove matching the movable bolt is provided on the side surface of the bottom plate, and the movable bolt can be matched and engaged in the groove and locked by the butterfly nut.

[0023] Preferably, each set of the quick-release locking mechanisms includes at least four quick-release locking members.

[0024] Preferably, a limiting groove matching the sheet metal part to be welded is formed on the limiting block, and an end of the sheet metal part is embedded in the limiting groove.

[0025] Preferably, one side of the limit stopper extends toward the sheet metal part to be welded to form a stop arm.

[0026] Preferably, a bottom stop block is provided on the top of the bottom plate, and the shape of the lower end of the bottom stop block matches the bottom shape of the sheet metal part to be welded.

[0027] Preferably, a top stop block is connected to the moving end of the rotary pressing cylinder, and the shape of the lower end of the top stop block matches the top shape of the sheet metal part to be welded.

[0028] The beneficial effects of the utility model are:

[0029] The automobile sheet metal welding fixture provided by the utility model has a simple structure, is convenient for disassembling and assembling the sheet metal to be welded, and can ensure the stability of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1It is a schematic diagram of the working state of the automobile sheet metal welding fixture tooling described in the utility model.

[0031] Figure 2 It is a schematic diagram of the automobile sheet metal welding fixture tooling in a non-working state described in the utility model.

[0032] Figure 3 It is a rear view of the automobile sheet metal welding fixture tooling described in the utility model.

[0033] Figure 4 It is a structural schematic diagram of the quick-release locking member described in the utility model. DETAILED DESCRIPTION

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0035] like Figure 1-4 As shown, the utility model provides a welding fixture for automobile sheet metal parts, which includes: a welding platform 100 and two welding fixtures. The two welding fixtures are detachably connected to the welding platform 100, and the two welding fixtures are opposite and spaced apart along the length direction of the welding platform 100.

[0036] The welding fixture comprises: a bottom plate 110 , a vertical plate 120 , a limit stopper 130 and a rotary pressing cylinder 140 .

[0037] The welding platform 100 is horizontally arranged, and the bottom plate 110 is horizontally arranged on the welding platform 110. The vertical plate 120 is fixedly arranged on the bottom plate 110 and is arranged vertically with the bottom plate 110; the vertical plate 120 is arranged at one end close to the bottom plate 110. A plurality of limit blocks 130 are fixedly installed on the vertical plate 120. The limit blocks 130 on the two welding fixtures are arranged opposite to each other; the two sheet metal parts to be welded (not shown in the figure) are respectively arranged on the two welding fixtures, one end of the two sheet metal parts abuts against the limit block 130, and the other ends (welding ends) of the two sheet metal parts are arranged opposite to each other.

[0038] The stopper 130 is provided with a stopper groove 131 that matches the sheet metal to be welded, and the end of the sheet metal is embedded in the stopper groove 131. One side of the stopper 130 extends toward the sheet metal to be welded to form a stopper arm 132. The shapes of the stopper groove 131 and the stopper arm 132 match the shape of the sheet metal to be welded; the position of the end of the sheet metal is fixed by the stopper groove 131, and the stopper arm 132 can block one side of the plate to prevent the sheet metal from tilting.

[0039] The rotary clamping cylinder 140 is fixedly arranged on the base plate 110; wherein, the moving end 141 of the rotary clamping cylinder 140 can rotate toward the sheet metal part and descend to press on the top of the sheet metal part (working state), or rise and rotate 90 degrees in the direction away from the sheet metal part (non-working state) to release the sheet metal part.

[0040] As a preferred embodiment, a top limit block 142 is connected to the moving end 141 of the rotary pressing cylinder 140, and the shape of the lower end of the top limit block 142 matches the shape of the top (pressed position) of the sheet metal to be welded, and the top of the sheet metal is matched and engaged in the top limit block 142, thereby further ensuring the stability of the sheet metal.

[0041] In this embodiment, in order to match the height of the sheet metal to be welded, a cylinder mounting seat 143 is fixedly provided on the base plate 110; the bottom of the cylinder mounting seat 143 is fixedly connected to the base plate 110, and the top of the cylinder mounting seat 143 is installed with a rotating clamping cylinder 140.

[0042] As a preferred embodiment, a plurality of quick-release locking mechanisms are provided on the welding platform 100, and the plurality of quick-release locking mechanisms are arranged at intervals along the length direction of the welding platform 100, and are used to connect the welding fixtures. Each group of the quick-release locking mechanisms includes a plurality of quick-release locking members 150, and the plurality of quick-release locking members 150 are symmetrically fixedly installed on both sides of the welding platform 100 (the bottom plate 110 of the welding fixture) in pairs. In this embodiment, each group of quick-release locking mechanisms includes four quick-release locking members 150. In other embodiments, each group of quick-release locking mechanisms may also be provided with more quick-release locking members 150. Among them, each of the welding fixtures corresponds to a group of the quick-release locking mechanisms, and by connecting the welding fixtures with different quick-release locking mechanisms, the installation positions of the two welding fixtures on the welding platform 100 can be changed, thereby changing the distance between the two welding fixtures to adapt to sheet metal parts of different lengths to be welded.

[0043] As a further preference, Figure 4As shown, the quick-release locking member 150 includes: two angle brackets 151, which are respectively fixedly connected to the side of the welding platform 100 by bolts, and the two angle brackets 151 are symmetrically spaced along the length direction of the welding platform; a rotating shaft 152, whose two ends are respectively fixedly connected to the two angle brackets 151; a movable bolt 153, which is located between the two angle brackets 151, and one end of the movable bolt 153 is rotatably sleeved on the rotating shaft 152; the other end of the movable bolt 153 is connected to a butterfly nut 154. Among them, the side of the base plate 110 is provided with a groove 111 matching the movable bolt 153, and the movable bolt 153 can be matched and engaged in the groove 111 and locked by the butterfly nut 154. By loosening the butterfly nut 154 and pulling the movable bolt 153 downward, the welding fixture can be quickly released.

[0044] As a further preferred embodiment, a bottom stopper 112 is provided on the top of the bottom plate 110, and the shape of the lower end of the bottom stopper 112 matches the bottom shape of the sheet metal to be welded. The bottom of the sheet metal is matched and engaged in the bottom stopper 112, thereby further ensuring the stability of the sheet metal.

[0045] The automobile sheet metal welding fixture provided by the utility model has a simple structure, is convenient for disassembling and assembling the sheet metal parts to be welded, and provides support and limiting for the sheet metal parts to be welded in different directions, thereby ensuring the stability of clamping.

[0046] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A welding fixture for automobile sheet metal parts, characterized in that: include: Welding platform; Two welding fixtures, which are detachably connected to the welding platform, and the two welding fixtures are arranged opposite to each other along the length direction of the welding platform; The welding fixture comprises: A bottom plate, which is arranged on the welding platform; A vertical plate is fixedly mounted on the bottom plate and is vertically mounted on the bottom plate; the vertical plate is disposed close to one end of the bottom plate; A plurality of limit stops, which are fixedly mounted on the vertical plate; The limit blocks on the two welding fixtures are arranged opposite to each other; the two sheet metal parts to be welded are respectively arranged on the two welding fixtures, and one end of the sheet metal parts abuts against the limit block; A rotary pressing cylinder, which is fixedly arranged on the bottom plate; The moving end of the rotary pressing cylinder can rotate toward the sheet metal part and descend to press on the top of the sheet metal part, or rise and rotate in a direction away from the sheet metal part.

2. The automobile sheet metal welding fixture according to claim 1, characterized in that: The welding platform is provided with a plurality of sets of quick-release locking mechanisms for connecting the welding fixture; Each group of the quick-release locking mechanisms comprises a plurality of quick-release locking members, and the plurality of quick-release locking members are symmetrically fixedly mounted on both sides of the welding platform in pairs; Wherein, each of the welding fixtures corresponds to a group of the quick-release locking mechanisms, and the installation positions of the two welding fixtures on the welding platform can be changed by connecting the welding fixtures with different quick-release locking mechanisms.

3. The automobile sheet metal welding fixture according to claim 2, characterized in that: The quick-release locking member comprises: Two angle brackets, which are respectively fixedly connected to the sides of the welding platform, and the two angle brackets are symmetrically spaced; A rotating shaft, both ends of which are fixedly connected to the two angle brackets; A swing bolt is located between the two angle brackets, and one end of the swing bolt is rotatably sleeved on the rotating shaft; the other end of the swing bolt is connected with a butterfly nut; Wherein, a groove matching the movable bolt is provided on the side surface of the bottom plate, and the movable bolt can be matched and engaged in the groove and locked by the butterfly nut.

4. The automobile sheet metal welding fixture according to claim 3, characterized in that: Each set of the quick-release locking mechanisms includes at least four quick-release locking parts.

5. The automobile sheet metal welding fixture according to claim 4, characterized in that: The limit stopper is provided with a limit groove matching the sheet metal part to be welded, and the end of the sheet metal part is embedded in the limit groove.

6. The automobile sheet metal welding fixture according to claim 5, characterized in that: One side of the limit stopper extends toward the sheet metal part to be welded to form a stop arm.

7. The automobile sheet metal welding fixture according to any one of claims 2 to 6, characterized in that: A bottom stop block is arranged on the top of the bottom plate, and the shape of the lower end of the bottom stop block matches the bottom shape of the sheet metal part to be welded.

8. The automobile sheet metal welding fixture according to claim 7, characterized in that: A top stop block is connected to the moving end of the rotary pressing cylinder, and the shape of the lower end of the top stop block matches the top shape of the sheet metal part to be welded.

Images