CN223734209U - Welding positioning fixture for weight box of engineering vehicle - Google Patents

Abstract

The utility model provides an engineering vehicle weight box welding positioning fixture, includes the supporting seat that both ends are provided with mounting flange, the both sides of supporting seat are provided with scalable clamping assembly, are located still be provided with on the supporting seat between the scalable clamping assembly and be used for adsorbing the magnetic path of weight box, scalable clamping assembly includes first trapezoidal lead screw and the second trapezoidal lead screw that is driven through the shaft coupling by gear motor, first trapezoidal lead screw with be provided with the location back on the fixed bolster of second trapezoidal lead screw, be provided with down the air cylinder on the location back, first trapezoidal lead screw with be provided with the location slide carriage on the movable support seat of second trapezoidal lead screw, the inboard of location slide carriage is provided with the elasticity compact heap. According to the utility model, the weight box body is automatically positioned and clamped through the telescopic clamping assemblies arranged on two sides of the supporting seat, the lower pressing cylinder is further fixed, the magnetic blocks are arranged on the supporting seat, and the position of the weight box body is fixed by opening the magnetic blocks to adsorb the weight box body.

Description

Welding positioning fixture for weight box of engineering vehicle

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a welding positioning clamp for a weight box of an engineering vehicle.

Background

The welding of the engineering vehicle weight box directly affects the overall structural strength and the use safety of the excavator. Traditional weight box positioning fixture is by artifical manual positioning fixture, screws up, locating pin or locating plate are as the backer benchmark, and its operating efficiency is low, and welding seam quality can not unify, and can not satisfy multiple work piece model compatibility, can't realize man-machine cooperation, has indirectly increased artifical intensity of labour, and the artifical welding fixture quantity of multiple work piece model is numerous, and factory building space utilization reduces, and can't clamp the anchor clamps simultaneously, influences production efficiency. Therefore, the welding positioning fixture for the weight box body of the engineering vehicle is designed, is used for producing welded fixed fixtures for the weight box body, improves production efficiency, enables positioning to be more accurate, does not need to manually replace a fixture, and is high in compatibility, simple and convenient, and labor-saving.

Disclosure of utility model

The utility model aims to provide a welding positioning clamp for a weight box body of an engineering vehicle, which can automatically clamp and fix the weight box body during production and welding of the weight box body, and realize automatic production.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

The utility model provides a welding positioning clamp for a weight box of an engineering vehicle, which comprises supporting seats, wherein mounting flanges are arranged at two ends of the supporting seats, telescopic clamping assemblies are arranged at two sides of the supporting seats, magnetic blocks for adsorbing the weight box are further arranged on the supporting seats between the telescopic clamping assemblies, the telescopic clamping assemblies comprise a first trapezoidal screw and a second trapezoidal screw which are driven by a speed reducing motor through a coupler, positioning backrests are arranged on fixed supporting seats of the first trapezoidal screw and the second trapezoidal screw, a pressing cylinder is arranged on each positioning backer, positioning slide carriages are arranged on movable supporting seats of the first trapezoidal screw and the second trapezoidal screw, and elastic pressing blocks are arranged on the inner sides of the positioning slide carriages.

The support seat is further composed of three cross bars, 3 magnetic blocks are equidistantly arranged on each cross bar, and floating support blocks are arranged between every two magnetic blocks.

Further, the cross rod is provided with a hanging ring.

Further the supporting seat still includes first quarter butt and the second quarter butt of being connected with outside horizontal pole, first quarter butt with all be provided with on the second quarter butt the magnetic path.

The elastic compression block further comprises a spring and a compression block, and the compression block is fixed on the positioning slide carriage through the spring.

The cross section of the positioning backup is h-shaped, the extension part of the positioning backup far away from the opening side is fixed on the fixed supporting seat, the lower air cylinder is arranged on the surface above the opening, and the movable end of the lower air cylinder extends into the opening.

The automatic positioning and clamping device has the beneficial effects that the weight box body is automatically positioned and clamped through the telescopic clamping assemblies arranged on the two sides of the supporting seat, the lower pressing cylinder is further fixed, the magnetic blocks are arranged on the supporting seat, the positions of the magnetic blocks are fixed by opening the magnetic blocks to adsorb the weight box body, the product welding quality and the working efficiency are improved while the product production efficiency is ensured, various products can be compatible, the automatic assembly line is realized, the safety of manual operation is ensured, and the product quality reliability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present utility model.

Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a schematic bottom view of the present utility model.

In the figure, the device comprises a 1-mounting flange, a 2-supporting seat, a 3-magnetic block, a 4-speed reduction motor, a 5-coupler, a 6-first trapezoidal screw, a 7-second trapezoidal screw, an 8-fixed supporting seat, a 9-positioning backing, a 10-pressing cylinder, a 11-movable supporting seat, a 12-positioning slide carriage, a 13-elastic pressing block, a 131-spring, a 132-pressing block, a 14-floating supporting block, a 15-hanging ring, a 16-first short rod, a 17-second short rod, a 18-second speed reduction motor, a 19-coupler and a 20-third trapezoidal screw.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present utility model provides an embodiment:

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a welding positioning fixture for a weight box of an engineering vehicle comprises a supporting seat 2 with mounting flanges 1 at two ends, telescopic clamping assemblies are arranged at two sides of the supporting seat 2, a magnetic block 3 for adsorbing the weight box is further arranged on the supporting seat 2 between the telescopic clamping assemblies, the telescopic clamping assemblies comprise a first trapezoidal screw 6 and a second trapezoidal screw 7 which are driven by a gear motor 4 through a coupler 5, a positioning backing 9 is arranged on a fixed supporting seat 8 of the first trapezoidal screw 6 and the second trapezoidal screw 7, a pressing cylinder 10 is arranged on the positioning backing 9, a positioning slide carriage 12 is arranged on a movable supporting seat 11 of the first trapezoidal screw 6 and the second trapezoidal screw 7, and an elastic pressing block 13 is arranged on the inner side of the positioning slide carriage 12. The mounting flange 1 is arranged on the position changing machine and can be detached at any time according to the requirement. The bottom of the supporting seat 2 is provided with a third trapezoidal screw 20 driven by a second gear motor 18 through a second coupler 19 for pushing the positioning backup 9 to clamp the counterweight housing.

Referring to fig. 1, the support base 2 is formed by three cross bars, each cross bar is provided with 3 magnetic blocks 3 at equal distance, and a floating support block 14 is arranged between every two magnetic blocks. The workpiece is placed on the floating support blocks 14 for auxiliary support.

Referring to fig. 1, a hanging ring 15 is disposed on the cross bar. The lifting is carried out through the lifting rings 15 to realize movement.

Referring to fig. 1, the support base 2 further includes a first short rod 16 and a second short rod 17 connected to the outer cross rod, and the magnetic blocks 3 are disposed on the first short rod 16 and the second short rod 17.

Referring to fig. 2, the elastic compression block 13 includes a spring 131 and a compression block 132, and the compression block 132 is fixed to the positioning slide 12 via the spring 131. The elastic pressing block 13 has certain elasticity when pressing the workpiece, and protects the pressed workpiece from damage.

Referring to fig. 1, the cross section of the positioning abutment 9 is h-shaped, an extension portion of the positioning abutment 9 away from the opening side is fixed on the fixed support 8, the lower pressure cylinder 10 is disposed on a surface above the opening, and the movable end of the lower pressure cylinder 10 extends into the opening. The workpiece is positioned in the opening, the movable end of the lower pressing cylinder 10 presses the workpiece downwards by starting the lower pressing cylinder 10, and the position of the workpiece is fixed.

The RGV trolley places the spliced counterweight shell on the supporting seat 2, a second gear motor 18 at the bottom of the supporting seat 2 is started to drive a third trapezoidal screw 20 to push and position a leaning mountain 9 to clamp the counterweight shell through a second coupler 19, then the gear motor 4 is started to drive a first trapezoidal screw 6 and a second trapezoidal screw 7 through a coupler 5 so that a positioning slide carriage 12 drives an elastic compression block 13 to compress a workpiece, a pressing cylinder 10 is started, the movable end of the pressing cylinder 10 extends into an opening so as to press the workpiece to fix the position of the workpiece, a magnetic block 3 on the supporting seat 2 is opened, the magnetic block 3 is adsorbed, the position of the workpiece is fixed, and welding can be performed by matching with a robot.

Claims (6)

1. The welding positioning clamp for the weight box of the engineering vehicle is characterized by comprising supporting seats with mounting flanges at two ends, telescopic clamping assemblies are arranged at two sides of each supporting seat, magnetic blocks for adsorbing the weight box are further arranged on the supporting seats between the telescopic clamping assemblies, each telescopic clamping assembly comprises a first trapezoidal screw and a second trapezoidal screw which are driven by a speed reducing motor through a coupler, a positioning backing is arranged on a fixed supporting seat of each of the first trapezoidal screw and the second trapezoidal screw, a pressing cylinder is arranged on each positioning backing, a positioning slide carriage is arranged on a movable supporting seat of each of the first trapezoidal screw and the second trapezoidal screw, and an elastic pressing block is arranged on the inner side of each positioning slide carriage.

2. The welding positioning fixture of the weight box of the engineering vehicle according to claim 1, wherein the supporting seat is composed of three cross bars, 3 magnetic blocks are equidistantly arranged on each cross bar, and floating supporting blocks are arranged between every two magnetic blocks.

3. The welding positioning fixture for the weight box of the engineering vehicle, as set forth in claim 2, wherein the cross bar is provided with a hanging ring.

4. The welding positioning fixture of a weight box of an engineering vehicle of claim 2, wherein the support base further comprises a first short rod and a second short rod connected with the outer cross rod, and the magnetic blocks are arranged on the first short rod and the second short rod.

5. The welding positioning fixture for the weight box of the engineering vehicle according to claim 1, wherein the elastic pressing block comprises a spring and a pressing block, and the pressing block is fixed on the positioning slide carriage through the spring.

6. The welding positioning fixture for the weight box of the engineering vehicle according to claim 1, wherein the cross section of the positioning backup is h-shaped, an extension part of the positioning backup far away from the opening side is fixed on the fixed supporting seat, the lower air cylinder is arranged on the surface above the opening, and the movable end of the lower air cylinder extends into the opening.