Turnover welding clamp for automobile parts

Abstract

The utility model discloses an overturning and welding clamp for automobile parts. The overturning and welding clamp comprises a clamping mechanism and a positive and negative screw rod sliding seat, the two clamping mechanisms are driven by the positive and negative screw rod sliding seats to move in the opposite directions or in the back-to-back directions; the clamping mechanism comprises a sliding base, a fixed hinge support, a transverse sliding base, an extending support, a main clamping jaw assembly and an auxiliary clamping jaw assembly. The sliding seat is driven by a lead screw of the positive and negative lead screw sliding seat; the fixed hinge support is fixed on the sliding seat; a transverse sliding seat is arranged at the upper part of the fixed hinged support, and the moving direction of the transverse sliding seat is vertical to the lead screw direction of the positive and negative lead screw sliding seat; a main clamping jaw assembly is arranged on a sliding block of the transverse sliding seat; one end of the extending support is movably connected with the main clamping jaw assembly, and the other end of the extending support is movably connected with an auxiliary clamping jaw assembly. According to the automobile part overturning and welding clamp, various automobile parts can be stably clamped, and flexible overturning of positions and angles can be carried out according to specific welding requirements.

Description

TECHNICAL FIELD

[0001] The utility model belongs to automobile parts processing technical field especially relates to a kind of automobile parts turnover welding fixture. BACKGROUND

[0002] Chinese patent: ZL202421208414.9 relates to a kind of automobile parts turnover welding table, including bottom assembly, moving assembly and welding assembly;The bottom assembly includes bottom plate, two slide grooves are set in the side of the bottom plate;The moving assembly includes two groups of moving blocks, the welding assembly includes connecting plate, controller is arranged in the side of the connecting plate, recess is set in the side of the connecting plate, connecting rod is arranged in the inside of the recess, sliding block is arranged on the outer surface wall of the connecting rod, turnover welding table can flexibly adjust the position and angle of automobile parts, so that welding station can conveniently contact each welding point of component, without manual frequent adjustment, greatly improve welding efficiency, by accurately controlling turnover angle and position, can ensure that welding torch and weld are best aligned during welding, reduce welding defects, to improve welding quality and the overall performance of component.

[0003] Combining the above technical scheme and prior art, most welding fixtures are single-point clamping, that is, the fixture clamps one clamping position of the part, but for long tubular or larger automobile parts in one direction, the clamping of such fixture is not stable, and generally cannot flexibly turn over the position and angle of automobile parts. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automobile parts turnover welding fixture, to realize the stable clamping of various automobile parts by the welding fixture, and can flexibly turn over position and angle according to specific welding requirements.

[0005] To achieve the above object, the technical scheme of the utility model is to design a kind of automobile parts turnover welding fixture, including clamping mechanism and positive and negative screw rod sliding seat;The clamping mechanism has two, and is driven by positive and negative screw rod sliding seat to move towards or away from each other;The clamping mechanism includes sliding seat, fixed hinge support, transverse sliding seat, extension support, main jaw assembly and vice jaw assembly;The sliding seat is driven by the screw rod of positive and negative screw rod sliding seat, and fixed hinge support is fixed on the sliding seat;Horizontal sliding seat is provided on the upper portion of the fixed hinge support, and the moving direction of the horizontal sliding seat is perpendicular to the direction of the screw rod of positive and negative screw rod sliding seat;Main jaw assembly is provided on the sliding block of the horizontal sliding seat;Extension support is movably connected with main jaw assembly at one end, and vice jaw assembly is movably connected at the other end.

[0006] Further, the fixed hinge support is rotated by motor control.

[0007] Further, the main jaw assembly comprises a jaw for clamping a part, a motor for driving the jaw to rotate, a mounting seat for mounting the motor, and a column located at the lower part of the mounting seat and connected to the transverse sliding seat.

[0008] Further, one end of the extension bracket is a sleeve pipe sleeved on the column, and a fixing rod is arranged on the sleeve pipe, the sleeve pipe rotates around the column as the axis, and the other end of the extension bracket movably connects a secondary jaw assembly; an annular fixing ring is arranged around the column on the sliding block of the transverse sliding seat, an arc-shaped long groove is arranged in the fixing ring, the fixing rod passes through the arc-shaped long groove on the fixing ring, and a nut is fastened at the end of the fixing rod.

[0009] Further, the extension bracket is composed of a plurality of branch brackets, long grooves are arranged on the branch brackets, and the plurality of branch brackets of the extension bracket are fixed by bolts and nuts; the secondary jaw assembly comprises a jaw for clamping a part, a motor for driving the jaw to rotate, a mounting seat for mounting the motor, and a column located at the lower part of the mounting seat; the extension bracket and the column of the secondary jaw assembly are connected in a pin connection mode, so that the secondary jaw assembly can rotate horizontally relative to the extension bracket, and the secondary jaw assembly and the extension bracket are fastened by bolts.

[0010] The automobile part overturning welding clamp has the advantages that the automobile part overturning welding clamp can stably clamp various automobile parts, and can flexibly overturn the position and the angle according to specific welding requirements. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The figure is a structural schematic view of the utility model.

[0012] Figure 2 The figure is a front end schematic view of the clamping mechanism.

[0013] Figure 3 The figure is a rear end schematic view of the clamping mechanism.

[0014] Figure 4 The figure is an exploded schematic view of the clamping mechanism.

[0015] The clamping mechanism 1, the sliding seat 1-1, the fixed hinge support 1-2, the transverse sliding seat 1-3, the extension bracket 1-4, the main jaw assembly 1-5, the secondary jaw assembly 1-6, the fixing ring 1-7, the fixing rod 1-8, and the positive and negative screw rod seat 2. DETAILED DESCRIPTION

[0016] The specific implementation manners of the utility model will be further described in combination with the drawings and the embodiments. The following embodiments are only used for more clearly illustrating the technical scheme of the utility model, and cannot be used to limit the protection scope of the utility model. EMBODIMENT

[0017] The utility model provides an automobile component overturning welding fixture, including clamping mechanism 1 and positive and negative screw rod sliding seat 2, clamping mechanism 1 has two, and the driving opposite direction or back direction movement is driven by positive and negative screw rod sliding seat 2;

[0018] Clamping mechanism 1 includes sliding seat 1-1, fixed hinge support 1-2, transverse sliding seat 1-3, extension support 1-4, main jaw assembly 1-5, auxiliary jaw assembly 1-6, fixed ring 1-7, fixed rod 1-8;Sliding seat 1-1 is driven by the screw rod of positive and negative screw rod sliding seat 2, fixed hinge support 1-2 is fixed on sliding seat 1-1, and fixed hinge support 1-2 is rotated by motor control;The upper portion of fixed hinge support 1-2 is equipped with transverse sliding seat 1-3, and the moving direction of transverse sliding seat 1-3 is perpendicular to the direction of screw rod of positive and negative screw rod sliding seat 2;The slider of transverse sliding seat 1-3 is equipped with main jaw assembly 1-5, and main jaw assembly 1-5 includes the jaw for clamping parts, the motor for driving the rotation of jaw, the mounting seat of installing motor and the column in the lower portion of mounting seat and being connected with transverse sliding seat 1-3;

[0019] The one end of extension support 1-4 is the sleeve pipe on the column, and fixed rod 1-8 is equipped on the sleeve pipe, and the sleeve pipe can rotate with the column as the shaft, and the other end of extension support 1-4 is movably connected with auxiliary jaw assembly 1-6;The slider of transverse sliding seat 1-3 is equipped with fixed ring 1-7 around the column, and the arc long groove is equipped in fixed ring 1-7, fixed rod 1-8 passes through the arc long groove on fixed ring 1-7, and is fastened with nut at the end of fixed rod 1-8.

[0020] Extension support 1-4 is composed of multiple branch supports, and long grooves are arranged on the branch supports, and the multiple branch supports of extension support 1-4 are fixed by bolts and nuts.

[0021] Auxiliary jaw assembly 1-6 includes the jaw for clamping parts, the motor for driving the rotation of jaw, the mounting seat of installing motor and the column in the lower portion of mounting seat;

[0022] The pin joint mode is adopted between extension support 1-4 and the column of auxiliary jaw assembly 1-6, so that auxiliary jaw assembly 1-6 can rotate horizontally relative to extension support 1-4, and the bolt fastening is adopted between auxiliary jaw assembly 1-6 and extension support 1-4.

[0023] The method is as follows: taking a long bent pipe structure as an example, the bending point of the long bent pipe is a welding point, the front part and the rear part of the bending point are not on the same horizontal plane, the front part of the bending point of the long bent pipe is clamped by the main jaw assembly 1-5, the rotation angle of the fixed hinge support 1-2, the transverse sliding seat 1-3 and the extension support 1-4 relative to the stand of the main jaw assembly 1-5 is adjusted, the rotation angle of the auxiliary jaw assembly 1-6 relative to the extension support 1-4 is adjusted, and finally the rear part of the bending point of the long bent pipe is clamped by the auxiliary jaw assembly 1-6; the clamping method of the other clamping mechanism 1 is the same as above, when the clamping of the two parts to be welded is completed, the two jaw assemblies 1 are driven to move towards each other by the forward and reverse screw rod sliding seat 2 until the welding points of the two parts are in contact, and then the welding is prepared.

[0024] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A welding fixture for flipping automotive parts, characterized in that: The device includes a clamping mechanism and a forward and reverse lead screw slide. There are two clamping mechanisms, driven by the forward and reverse lead screw slides to move in opposite directions or back to back. Each clamping mechanism includes a slide, a fixed hinge support, a transverse slide, an extension bracket, a main gripper assembly, and a secondary gripper assembly. The slide is driven by the lead screw of the forward and reverse lead screw slide, and the fixed hinge support is fixed to the slide. The upper part of the fixed hinge support has a transverse slide, and the direction of movement of the transverse slide is perpendicular to the direction of the lead screw of the forward and reverse lead screw slide. The slider of the transverse slide has a main gripper assembly. One end of the extension bracket is movably connected to the main gripper assembly, and the other end is movably connected to the secondary gripper assembly.

2. The automotive component flipping welding fixture according to claim 1, characterized in that: The fixed hinge support is rotated by a motor.

3. The automotive component flipping welding fixture according to claim 1, characterized in that: The main gripper assembly includes grippers for holding parts, a motor for driving the grippers to rotate, a mounting base for mounting the motor, and a column located at the lower part of the mounting base and connected to a transverse slide.

4. The automotive component flipping welding fixture according to claim 3, characterized in that: One end of the extension bracket is a sleeve fitted onto the column, and a fixing rod is provided on the sleeve. The sleeve rotates around the column as an axis. The other end of the extension bracket is movably connected to a secondary gripper assembly. On the slider of the transverse slide block, a fixing ring is provided around the column. The fixing ring has an arc-shaped groove inside. The fixing rod passes through the arc-shaped groove on the fixing ring and is fastened with a nut at the end of the fixing rod.

5. The automotive component flipping welding fixture according to claim 4, characterized in that: The extension bracket is composed of multiple sub-brackets, each with a long slot. The multiple sub-brackets of the extension bracket are fixed by bolts and nuts. The secondary gripper assembly includes grippers for holding parts, a motor for driving the grippers to rotate, a mounting base for mounting the motor, and a column located at the lower part of the mounting base. The extension bracket and the column of the secondary gripper assembly are connected by a pin connection, allowing the secondary gripper assembly to rotate horizontally relative to the extension bracket. The secondary gripper assembly and the extension bracket are fastened together by bolts.

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