Automobile doorsill welding positioning device

Abstract

The utility model discloses an automobile doorsill welding positioning device which comprises an installation seat and a clamping assembly, a lifting assembly capable of adjusting the height of the clamping assembly is installed on the installation seat, and a linkage assembly is arranged between the lifting assembly and the clamping assembly and used for driving the clamping assembly to rotate. The height of a welding piece clamped and fixed by the clamping assembly can be adjusted, the clamping assembly can be driven to rotate in the lifting process of the lifting assembly through the linkage assembly arranged between the lifting assembly and the clamping assembly, the angle of the welding piece is adjusted, when angle adjustment is not needed, a clamping block is clamped in a clamping groove, and rotation of a rotary disc on a box body is limited; and through the lifting assembly, the welding part can be limited on the mounting base, and shaking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile door sill welding, and specifically relates to an automobile door sill welding positioning device. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers have also developed rapidly.

[0003] At present, when processing automobile door sills, they are usually placed directly on the ground or on a workbench for welding. There are multiple locations that need to be welded, so after welding one location, the angle needs to be adjusted, and then the door sills need to be disassembled and fixed again. The height needs to be adjusted before welding because the automobile door sills have a certain curvature. For this reason, we disclose an automobile door sill welding positioning device. Utility Model Content

[0004] The utility model aims to provide a vehicle door sill welding positioning device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle door sill welding positioning device, comprising a mounting seat and a clamping assembly, a lifting assembly with adjustable height of the clamping assembly being installed on the mounting seat, a linkage assembly being arranged between the lifting assembly and the clamping assembly for driving the clamping assembly to rotate.

[0006] Preferably, the lifting assembly includes a shell, which is installed on the upper end of the mounting seat, a screw is rotatably installed in the shell, a slider is slidably arranged in the shell, and the slider is threadedly connected to the screw, and the slider extends through the shell to the outside to connect with the clamping assembly.

[0007] Preferably, the clamping assembly comprises a turntable, on which two clamping blocks are mounted, wherein one of the clamping blocks is pushed toward the other clamping block by a power device, so as to clamp and position the weldment.

[0008] Preferably, the clamping assembly further comprises a box body, the box body is fixedly connected to the slider, and the turntable is rotatably mounted on the box body.

[0009] Preferably, the linkage assembly includes a gear rotatably installed in a slider, the gear passes through the slider and meshes with a tooth groove opened at the opening of the shell, the central axis of the gear extends into the housing, and a first tooth block is installed at the end of the central axis of the gear, a second tooth block is installed on the outer wall of the turntable, a gear ring is slidably provided on the outer wall of the second tooth block, and the gear ring is pushed by a power device to engage with the first tooth block to achieve linkage.

[0010] Preferably, the outer side wall of the turntable is provided with annularly distributed slots, and a card block is inserted into the slot. The card block is pushed into the slot by a power device to limit the turntable from rotating on the box.

[0011] Compared with the prior art, the beneficial effects of the utility model are: a car door sill welding positioning device, which can adjust the height of the welded part clamped and fixed by the clamping assembly through the setting of the lifting assembly, and can drive the clamping assembly to rotate during the lifting process of the lifting assembly, so as to adjust the angle of the welded part. When there is no need to adjust the angle, the block is stuck in the slot to limit the rotation of the turntable on the box body, and the lifting assembly can limit the welded part on the mounting seat to avoid shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a cross-sectional view of the internal structure of the shell of the utility model;

[0014] Figure 3 It is a schematic diagram of the internal structure of the box of the utility model.

[0015] In the figure: 1-mounting seat, 2-housing, 3-screw, 4-slider, 5-turntable, 6-clamping block, 7-box, 8-gear, 9-tooth groove, 10-first tooth block, 11-second tooth block, 12-tooth ring, 13-slot, 14-block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a vehicle door sill welding positioning device, comprising a mounting seat 1 and a clamping assembly, a lifting assembly with adjustable height of the clamping assembly is installed on the mounting seat 1, and a linkage assembly is arranged between the lifting assembly and the clamping assembly for driving the clamping assembly to rotate.

[0018] Specifically, the lifting assembly includes a shell 2, which is installed on the upper end of the mounting base 1. A screw 3 is rotatably installed in the shell 2. A slider 4 is slidably arranged in the shell 2, and the slider 4 is screwed to the screw 3. The slider 4 passes through the shell 2 and extends to the outside to connect with the clamping assembly.

[0019] A motor for driving the lead screw 3 to rotate is installed at the lower end of the mounting seat 1 .

[0020] Specifically, the clamping assembly includes a turntable 5, on which two clamping blocks 6 are mounted, wherein one of the clamping blocks 6 is pushed toward the other clamping block 6 by a power device, so as to clamp and position the weldment.

[0021] Specifically, the clamping assembly further includes a box body 7 , the box body 7 is fixedly connected to the slider 4 , and the turntable 5 is rotatably mounted on the box body 7 .

[0022] Specifically, the linkage assembly includes a gear 8 rotatably installed in the slider 4, the gear 8 passes through the slider 4 and meshes with a tooth groove 9 opened at the opening of the shell 2, the central axis of the gear 8 extends into the box 7, and the end of the central axis of the gear 8 is installed with a first tooth block 10, the outer wall of the turntable 5 is installed with a second tooth block 11, the outer wall of the second tooth block 11 is slidably provided with a tooth ring 12, and the tooth ring 12 is pushed by a power device to engage with the first tooth block 10 to achieve linkage.

[0023] Specifically, the outer wall of the turntable 5 is provided with annularly distributed slots 13 , and a block 14 is inserted into the slot 13 . The block 14 is pushed into the slot 13 by a power device to limit the turntable 5 from rotating on the box 7 .

[0024] The power device mentioned in the utility model is an electric telescopic rod.

[0025] Working principle: When the utility model is used, the welding part is placed between the two clamping blocks 6, and one of the clamping blocks 6 is driven to move by the power device to clamp the welding part, and then the lead screw 3 is driven by the motor to rotate, so that the slider 4 moves up and down in the housing 2, driving the welding part to rise or fall, or driving the welding part to fall, and limiting the welding part on the upper surface of the mounting seat 1. When the angle needs to be adjusted, the power device drives the gear ring 12 to move in the direction of the first gear block 10, so that the gear ring 12 is engaged with the first gear block 10. At the same time, the power device drives the card block 14 to disengage the card slot 13, and the lead screw 3 rotates to move the slider 4 in the housing 2, driving the gear 8 to engage with the tooth groove 9. Because the gear ring 12 is engaged with the first gear block 10 and the second gear block 11 respectively, the turntable 5 is driven to rotate on the box 7 to adjust the angle of the welding part. After the angle is confirmed, the power device drives the card block 14 to be inserted into the card slot 13 to limit the rotation of the turntable 5, thereby fixing the angle of the welding part.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle door sill welding positioning device, characterized in that: It comprises a mounting seat (1) and a clamping assembly, wherein a lifting assembly capable of adjusting the height of the clamping assembly is mounted on the mounting seat (1), and a linkage assembly is arranged between the lifting assembly and the clamping assembly for driving the clamping assembly to rotate.

2. The automobile door sill welding positioning device according to claim 1, characterized in that: The lifting assembly comprises a shell (2), the shell (2) being mounted on the upper end of a mounting seat (1), a lead screw (3) being rotatably mounted in the shell (2), a slider (4) being slidably arranged in the shell (2), and the slider (4) being screwed to the lead screw (3), and the slider (4) passing through the shell (2) and extending to the outside to be connected to the clamping assembly.

3. The automobile door sill welding positioning device according to claim 2, characterized in that: The clamping assembly comprises a turntable (5) on which two clamping blocks (6) are mounted, wherein one of the clamping blocks (6) is pushed toward the other clamping block (6) by a power device, so as to clamp and position the weldment.

4. The automobile door sill welding positioning device according to claim 3, characterized in that: The clamping assembly further comprises a box body (7), the box body (7) is fixedly connected to the slider (4), and the turntable (5) is rotatably mounted on the box body (7).

5. The automobile door sill welding positioning device according to claim 4, characterized in that: The linkage assembly comprises a gear (8) rotatably mounted in a slider (4), the gear (8) passing through the slider (4) and meshing with a tooth groove (9) provided at an opening of the housing (2), the central axis of the gear (8) extending into the housing (7), and a first tooth block (10) being installed at the end of the central axis of the gear (8), a second tooth block (11) being installed on the outer wall of the rotating disk (5), a tooth ring (12) being slidably arranged on the outer wall of the second tooth block (11), and the tooth ring (12) being pushed by a power device to engage with the first tooth block (10) to realize linkage.

6. The automobile door sill welding positioning device according to claim 4, characterized in that: The outer wall of the turntable (5) is provided with annularly distributed clamping grooves (13), and a clamping block (14) is inserted into the clamping groove (13). The clamping block (14) is pushed into the clamping groove (13) by a power device to limit the turntable (5) from rotating on the box body (7).

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