CN220971269U

CN220971269U - Positioning fixture for welding

Info

Publication number: CN220971269U
Application number: CN202322640572.3U
Authority: CN
Inventors: 张爽; 孙丹
Original assignee: Liaoning Kunsheng Welding Engineering Co ltd
Current assignee: Liaoning Kunsheng Welding Engineering Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-17
Anticipated expiration: 2033-09-28

Abstract

The utility model is applicable to the technical field of clamps and provides a positioning clamp for welding, which comprises a base and a welding manipulator, wherein a sliding plate is arranged above the top of the base, a lifting plate is arranged above the sliding plate, a movable plate is arranged at the top of the lifting plate, one end of the lifting plate is provided with a transversely telescopic second cylinder, the top of the base is provided with a fixed seat which is fixedly connected with a support frame, one side of the support frame is provided with an arc-shaped slide rail, the inner side surface of the arc-shaped slide rail is provided with a movable plate, and the surface of the movable plate and the right side of the movable plate are provided with opposite clamping components. This positioning fixture for welding, two sets of actuating mechanism drive a set of clamping assembly motion respectively, and wherein a set of clamping assembly can follow curved backup pad motion, changes the angle of the part of its centre gripping for two sets of clamping assembly form the contained angle, thereby make the part junction in two sets of clamping assembly form the contained angle, can adjust two part welded angles, thereby made things convenient for the going on of welding work, very big promotion welded efficiency.

Description

Positioning fixture for welding

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a positioning clamp for welding.

Background

Welding is a process of welding two parts by joining metal or other thermoplastic materials by heating, high temperature or high pressure, and a fixture is a tool for fixing a processing object in a machine part manufacturing process.

Chinese patent CN218695487U discloses a panel welded fastening structure, the device is crossed fixed subassembly and is mutually supported with adjusting part, presss from both sides tightly fixedly to the panel, but in this technical scheme, two work pieces are in the position of mutual parallel and level, only can carry out the welding of straight state, can't change the contained angle between two work pieces, just also can't carry out fixed, the welding of certain angle to two work pieces, can welded molding relatively fixed, singleness, application scope is narrower, there is some not enough in the use.

Disclosure of utility model

The utility model provides a positioning clamp for welding, which aims to solve the problems that the existing positioning clamp can only weld in a straight state, cannot change the included angle of two parts, cannot rotate the included angle of the parts, and needs to manually adjust the included angle of the parts for multiple times in the welding process, so that the welding is finished, the welding quality of the parts can be affected when the included angle of the parts is manually adjusted, the welding range is narrow, a lot of troubles are caused in the welding, the welding processing speed is low, the yield is low, and the working efficiency is low.

The utility model discloses a positioning clamp for welding, which is characterized in that a sliding plate capable of sliding left and right is arranged above the left end of the top of a base, a lifting plate capable of lifting is arranged above the sliding plate, a moving plate capable of sliding horizontally is arranged on the top of the lifting plate, and a second air cylinder for driving the moving plate to move is arranged on the top of the lifting plate.

The right-hand member top at base top is equipped with the fixing base, fixing base top surface fixedly connected with curved support frame, the centre of a circle of support frame is located the left side, the inboard one side of support frame is provided with the arc slide rail, be provided with the fly leaf along support frame surface motion on the arc slide rail, the surface of fly leaf with the right side of fly leaf is provided with relative clamping assembly.

Preferably, the clamping assembly comprises a second fixed plate, a fixed clamping jaw and a movable clamping jaw, wherein the fixed clamping jaw is arranged at one end of the surface of the second fixed plate, the movable clamping jaw is relatively and slidably connected with the other end of the second fixed plate, and a third cylinder for driving the movable clamping jaw to move is arranged on the second fixed plate.

Preferably, the second fixing plate is fixedly connected with a fixing plate for fixing the third cylinder, the surface of the second fixing plate is slidably connected with a sliding block, and the rear end of the movable clamping jaw is fixedly connected with the surface of the sliding block.

Preferably, the left side at base top is provided with the drive the electronic track of sliding plate motion, the top of sliding plate is connected with the backup pad through electric turntable rotation, the vertical first cylinder that is provided with in top of backup pad, the bottom fixed connection of lifter plate in the top of first cylinder.

Preferably, a placing table for placing materials is arranged on the base, and the supporting plate rotates to clamp the materials above the placing table through the clamping assembly.

Preferably, the two clamping assemblies are respectively connected with the movable plate and the movable plate in a rotating way through an electric rotating disc.

Preferably, the arc-shaped sliding rail is located in the middle of the inner side surface of the supporting frame and distributed along the length direction of the arc-shaped sliding rail, and the two sides of the inner side surface of the supporting frame are provided with electric sliding rails for driving the movable plate to slide along the length direction of the inner side surface of the supporting frame.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the positioning clamp for welding, the two groups of driving mechanisms respectively drive the clamping assemblies to move, wherein the clamping assemblies can move along the arc-shaped supporting plate to change the angles of workpieces clamped by the clamping assemblies, so that the two groups of clamping assemblies form an included angle, the connecting positions of the workpieces in the two groups of clamping assemblies form an included angle, the welding angles of the two workpieces can be adjusted, the two workpieces can be welded in a straight state, the two workpieces can be fixed in a certain angle range to be welded, the workpiece splicing structures with different included angles and different shapes can be welded, the welding models are more, different welding processing requirements can be met, and the application range is wider.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of a cylinder and lifter plate structure according to the present utility model;

fig. 4 is a schematic view of an arc-shaped sliding rail and an electric sliding block in the utility model.

In the figure: 1. a base; 2. a welding manipulator; 3. a sliding plate; 4. a support plate; 5. a first cylinder; 6. a lifting plate; 7, a second cylinder; 8. a fixing plate; 9. a third cylinder; 10. moving the clamping jaw; 11. a slide block; 12. a moving plate; 13. a second fixing plate; 14. fixing the clamping jaw; 15. a support frame; 16. a movable plate; 17. an arc-shaped slide rail; 18. a placement table; 19. a fixing seat; 20. an electric slide rail.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a positioning fixture for welding, including base 1, arm 2 and the welder of arm tip, the arm can free rotation, flexible and twist reverse, adjustment length and angle, be the prior art of current welding machine, do not repeated here, be applicable to the butt welding of platy work piece, but the left end top at base 1 top is provided with left and right sliding's sliding plate 3, sliding plate 3 top is provided with liftable lifter plate 6, but the top of lifter plate 6 is provided with horizontal slip's movable plate 12, the one end of lifter plate 6 is equipped with horizontal flexible second cylinder 7.

The second cylinder 7 can slide along the horizontal direction, drives the lifting plate 6, the moving plate 12 and the second cylinder 7 to move, adjusts the position of the horizontal direction, and the second cylinder 7 lifts and drives the lifting plate 6 to lift and adjust the position of the vertical direction. The sliding plate 3, the lifting plate 6, the second cylinder 7 and the movable plate 12 form a first driving mechanism.

The right-hand member top at base 1 top is equipped with fixing base 19, and fixing base 19 top surface fixedly connected with curved support frame 15, the centre of a circle of support frame 15 is located the left side, and the inboard one side of support frame 15 is provided with arc slide rail 17, and the medial surface of arc slide rail 17 is provided with the fly leaf 16 of following support frame 15 surface motion, and the surface of fly leaf 16 and the right side of fly leaf 12 are provided with relative clamping assembly.

The shape of the supporting frame 15 is an arc shape protruding rightward, and the movable plate 16 can move along an arc track on the inner side surface of the supporting frame 15, so that an included angle between the two clamping components is adjusted.

The support frame 15, fly leaf 16 and arc slide rail 17 constitute second actuating mechanism, two sets of actuating mechanism drive a set of clamping assembly motion respectively, first actuating assembly can drive a set of clamping assembly and control and remove and go up and down, height and horizontal position of work piece in the adjustment first clamping assembly, the second actuating assembly can drive another group clamping assembly and follow support frame 15 motion, thereby change the position of work piece in the another group clamping assembly, make two sets of clamping assembly form the contained angle, thereby make the work piece junction in two sets of clamping assembly form the contained angle, can adjust two work piece welded angles.

The welding angle range is determined by the length and radian of the support frame 15, and can cover 0-90 degrees or 0-180 degrees, when the support frame 15 is in a quarter circle, the welding angle range is 0-90 degrees, and when the support frame 15 is in a half circle, the welding angle range is 0-180 degrees, and according to actual processing requirements, the support frame 15 can be manufactured into other suitable lengths and sizes.

The surface of the support 15 may be provided with a scale, the horizontal position being 0 °, when the second drive assembly drives the clamping assembly to be 0 °, the clamped workpieces are in the horizontal position, and the two workpieces are in the same horizontal plane.

The second drive clamping assembly clamps the part and then slides along the arc-shaped sliding rail 17 through the movable plate 16, so that the angle of the part is changed in the sliding process of the second clamping assembly, the mechanical arm can be arbitrarily adjusted in position through the rotary turntable arranged at the bottom end of the mechanical arm, the welding gun is arranged at the top end of the mechanical arm, and the different positions of the part can be welded through the arbitrarily adjusted position of the mechanical arm.

The clamping assembly comprises a second fixed plate 13, a fixed clamping jaw 14 and a movable clamping jaw 10, wherein the fixed clamping jaw 14 is arranged at one end of the surface of the second fixed plate 13, the movable clamping jaw 10 and the fixed clamping jaw 14 are relatively and slidably connected to the other end of the second fixed plate 13, and a third air cylinder 9 for driving the movable clamping jaw 10 to move is arranged on the second fixed plate 13.

After the part is clamped by the movable clamping jaw and the fixed clamping jaw in the clamping assembly, the part can slide suddenly in order to prevent the clamping jaw from being clamped by the clamping assembly, anti-skid convex points are arranged on one side of the inner sides of the movable clamping jaw and the fixed clamping jaw, friction force is increased, and the part falls in the clamping process of the clamping assembly is prevented from being clamped by the clamping assembly.

The second fixing plate 13 is fixedly connected with a fixing plate 8 for fixing the third air cylinder 9, the surface of the second fixing plate 13 is slidably connected with a sliding block 11, and the rear end of the movable clamping jaw 10 is fixedly connected with the surface of the sliding block 11.

The third cylinder 9 pushes the sliding block 11 to slide the movable clamping jaw 10, parts with different sizes can be grabbed when the third cylinder 9 moves, the movable clamping jaw 10 and the fixed clamping jaw 14 slide relatively to clamp the parts, the bottom end of the fixed clamping jaw 14 is fixedly connected to the top of the second fixed plate 13, and the movable clamping jaw 10, the fixed clamping jaw 14 and the third cylinder 9 are driven to rotate through rotation of the second fixed plate 13.

The third cylinder 9 pushes the sliding block 11 to slide up and down, and the top moving clamping jaw 10 of the sliding block 11 pushes the sliding block 11 to slide up and down through the third cylinder 9, so that the moving clamping jaw 10 and the fixed clamping jaw 14 slide relatively to grab parts.

The left side at base 1 top is provided with the electronic track of drive sliding plate 3 motion, and the top of sliding plate 3 is connected with backup pad 4 through electric turntable rotation, and the vertical first cylinder 5 that is provided with in top of backup pad 4, the bottom fixed connection of lifter plate 6 in the top of first cylinder 5.

Fixing rods for supporting the first air cylinders can be arranged between the two sides of the first air cylinders 5 and the top of the supporting plate 4 to fix the two sides of the first air cylinders 5, and the first air cylinders 5 can be prevented from shaking back and forth when the clamping assembly clamps the parts.

The base 1 is provided with a placing table 18 for placing materials, and the supporting plate 4 rotates to clamp the materials above the placing table 18 through the clamping assembly.

The supporting plate 4 rotates to drive a group of clamping assemblies above the lifting plate 6 to rotate, and after the clamping assemblies rotate to a proper angle, the clamping assemblies clamp materials on the placing table 18, so that the time node and the rotation angle of actions can be controlled by the PLC control module according to the actual processing requirement.

After the first driving mechanism drives a group of clamping assemblies to clamp the parts on the placing table 18, the clamping assemblies on the second driving mechanism are in a horizontal state after sliding to a proper position left and right through the sliding plate 3, the clamping assemblies driven by the first driving mechanism clamp the workpieces conveyed by the clamping assemblies, then the first driving mechanism drives the clamping assemblies to reset, the second driving mechanism drives the clamping assemblies and the workpieces to move for a certain angle and then stop, and the first driving mechanism drives the clamping assemblies to clamp another workpiece and then turn towards the direction of the second driving mechanism, then slide left and right and lift, drive the other workpiece to be aligned with the workpieces on the second driving mechanism, fix the workpieces on a certain angle and weld.

The arc slide rail 17 is located the middle part of the medial surface of support frame 15 and distributes along its length direction, and the both sides of support frame 15 medial surface are provided with the fly leaf 16 of drive lifter plate 6 motion along its length direction.

The sliding block on the upper surface of the electric sliding rail 20 drives the movable plate 16 to move along the arc-shaped sliding rail 17, so that the clamping assembly is driven to move, and the angle of the clamping assembly and the workpiece on the clamping assembly is adjusted.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, the clamping assembly at one side rotates through the supporting plate 4, the sliding plate 3 above the bottom plate 1 slides left and right to enable the clamping assembly to move left and right on a horizontal plane, after the supporting plate 4 rotates to a proper position and is adjusted to a good height through the first air cylinder 5, the third air cylinder 9 in the clamping assembly stretches and contracts to drive the movable clamping jaw 10 at the top end of the sliding block 11 to adjust the clamping size, so that the clamping assembly clamps the part on the placing table 18, the clamping assembly at the other side clamps the part and slides through the movable plate 16 along the arc-shaped sliding rail 17 arranged on one side of the inner side of the supporting frame 15, and the part can be changed into different angles through the rotation of the second fixed plate 13 and the sliding of the movable plate 16 in the clamping assembly.

After the clamping assembly slides to a proper position, the welding manipulator 2 is adjusted to a proper position and then the part is welded through a welding gun at the top of the manipulator.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a positioning fixture for welding, includes base (1) and sets up welding manipulator (2) on base (1), its characterized in that: a sliding plate (3) capable of sliding left and right is arranged above the left end of the top of the base (1), a lifting plate (6) capable of lifting is arranged above the sliding plate (3), a moving plate (12) capable of sliding horizontally is arranged on the top of the lifting plate (6), and a second air cylinder (7) for driving the moving plate (12) to move is arranged on the top of the lifting plate (6);

The utility model discloses a support frame, including base (1), support frame, fixed seat (19) top surface fixedly connected with arc support frame (15), the centre of a circle of support frame (15) is located the left side, the inboard one side of support frame (15) is provided with arc slide rail (17), be provided with on arc slide rail (17) along support frame (15) surface motion's fly leaf (16), the surface of fly leaf (16) with the right side of fly leaf (12) is provided with relative clamping assembly.

2. A positioning jig for welding as defined in claim 1, wherein: the clamping assembly comprises a second fixed plate (13), a fixed clamping jaw (14) and a movable clamping jaw (10), wherein the fixed clamping jaw (14) is arranged at one end of the surface of the second fixed plate (13), the movable clamping jaw (10) is relatively and slidingly connected with the fixed clamping jaw (14) at the other end of the second fixed plate (13), and a third air cylinder (9) for driving the movable clamping jaw (10) to move is arranged on the second fixed plate (13).

3. A positioning jig for welding as defined in claim 2, wherein: the fixed plate (8) of the third cylinder (9) is fixedly connected to the second fixed plate (13), the sliding block (11) is connected to the surface of the second fixed plate (13) in a sliding mode, and the rear end of the movable clamping jaw (10) is fixedly connected to the surface of the sliding block (11).

4. A positioning jig for welding as defined in claim 1, wherein: the left side at base (1) top is provided with the drive sliding plate (3) motion's electronic track, the top of sliding plate (3) is connected with backup pad (4) through electric turntable rotation, the vertical first cylinder (5) that is provided with in top of backup pad (4), the bottom fixed connection of lifter plate (6) in the top of first cylinder (5).

5. A positioning jig for welding as defined in claim 4, wherein: the base (1) is provided with a placing table (18) for placing materials, and the supporting plate (4) rotates to clamp the materials above the placing table (18) through the clamping assembly.

6. A positioning jig for welding as defined in claim 1, wherein: the two clamping assemblies are respectively connected with the movable plate (12) and the movable plate (16) in a rotating way through an electric rotating disc.

7. A positioning jig for welding as defined in claim 1, wherein: the arc-shaped sliding rails (17) are located in the middle of the inner side face of the supporting frame (15) and distributed along the length direction of the arc-shaped sliding rails, and electric sliding rails (20) for driving the movable plate (16) to slide are arranged on two sides of the inner side face of the supporting frame (15) along the length direction of the inner side face.