CN218926566U

CN218926566U - Laser welding positioning jig

Info

Publication number: CN218926566U
Application number: CN202223409925.0U
Authority: CN
Inventors: 张波; 于凯; 郑俭; 高华; 孙倩
Original assignee: Wuxi Novo Automation Technology Corp Ltd
Current assignee: Wuxi Novo Automation Technology Corp Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-28
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of tool clamps, in particular to a laser welding positioning jig, which comprises a jig bottom plate, wherein a positioning table for placing a workpiece is arranged on the jig bottom plate, a positioning pin for positioning the first workpiece and a stop pin for limiting the two ends of the workpiece are arranged on the positioning table, side pushing blocks for pushing the second workpiece onto the first workpiece are arranged on the jig bottom plate and positioned on the two sides of the positioning table, an end face pushing block for pushing the second workpiece against the stop pin is arranged on the jig bottom plate and positioned at one end of the positioning table, a driving pushing plate is arranged below the positioning table, and the driving pushing plate moves reciprocally to drive the side pushing blocks and the end face pushing blocks to synchronously push or release the second workpiece. The laser welding positioning jig drives the side pushing block and the end surface pushing block to jointly act through the driving pushing plate, so that accurate pre-assembly of a workpiece is realized, and a sufficient space is reserved for an upper surface welding area in an edge jacking mode, so that a laser welding process is performed.

Description

Laser welding positioning jig

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a laser welding positioning jig.

Background

For the product shown in fig. 3, which includes a middle plate 22 and two I plates 23, preassembly needs to be completed and positioning accuracy needs to be ensured before laser welding, and enough welding surface is reserved besides accurate combination of components. Based on this specific operating mode, ordinary frock clamp is difficult to be suitable for, and location operation is loaded down with trivial details, influences the production beat, consequently in batch production process, in order to guarantee product uniformity, reliable positioning accuracy and production efficiency, need design dedicated location tool, cooperation automated production.

Disclosure of Invention

Based on the above problems, the utility model aims to provide a laser welding positioning jig which can rapidly and accurately position an assembly to match laser welding processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a laser welding positioning jig, it includes the tool bottom plate, be provided with the locating platform of placing the work piece on the tool bottom plate, be provided with the locating pin that is used for fixing a position work piece first and be used for spacing backing pin to work piece both ends on the locating platform, the both sides that just lie in the locating platform on the tool bottom plate are provided with the side ejector pad that is used for pushing up work piece second on work piece first, the one end that just lies in the locating platform on the tool bottom plate is provided with the terminal surface ejector pad that is used for pushing up work piece second against the backing pin, the below of locating platform is provided with the drive push pedal, drive push pedal reciprocating motion, drive side ejector pad and terminal surface ejector pad synchronization roof pressure or release work piece second.

Particularly, the jig bottom plate is provided with a cavity corresponding to the side push block and the end push block respectively, the side push block and the end push block are embedded in the corresponding cavities, the jig bottom plate is also provided with an upper cover plate, the upper cover plate covers all the cavities, and the upper cover plate is provided with a workpiece placing opening.

Particularly, the jig bottom plate is provided with an air cylinder, the air cylinder is on the same side as the end face pushing block, and a piston rod of the air cylinder is fixedly connected with the driving pushing plate, so that the driving pushing plate moves towards the stop pin in a reciprocating manner.

Particularly, a first stop block is arranged on the side face of the jig bottom plate, a first movable seat is arranged between the first stop block and the positioning table, a first spring is clamped between the first movable seat and the first stop block, the side surface push block is fixed on the face of the first movable seat, which faces the positioning table, a protruding part is arranged below the side surface push block on the first movable seat, a roller which is in contact with the edge of the driving push plate is arranged on the protruding part, the edge of the driving push plate is provided with a groove, and when the roller is positioned in the groove, the side surface push block extends out towards the workpiece II.

Particularly, the groove is in arc transition connection with the edge of the driving pushing plate, so that the reciprocating movement of the driving pushing plate is converted into the telescopic movement of the side pushing block.

Particularly, a guide rail perpendicular to the moving direction of the driving push plate is arranged on the jig bottom plate and between the first stop block and the positioning table, and the first moving seat is arranged on the guide rail in a sliding mode.

Particularly, a second stop block is arranged on the end face of the jig bottom plate, a second movable seat is arranged between the second stop block and the positioning table, a second spring is clamped between the second movable seat and the second stop block, the end face pushing block is fixed on the face, facing the positioning table, of the second movable seat, a convex edge is arranged below the end face pushing block on the second movable seat, and the convex edge is kept in contact with the end edge of the driving pushing plate.

In particular, the locating pin comprises a round pin and a prismatic pin, so that the fool-proof effect of the workpiece is realized.

In summary, the laser welding positioning jig has the beneficial effects that the side pushing block and the end pushing block are driven to jointly act by the driving pushing plate, so that the accurate pre-assembly of a workpiece is realized, and a sufficient space is reserved for an upper surface welding area in an edge jacking mode, so that a laser welding process is performed, the jig is simple in structure, simple to drive and accurate in action, and the positioning and clamping efficiency is effectively improved.

Drawings

FIG. 1 is a schematic diagram of a laser welding positioning jig according to an embodiment of the present utility model;

FIG. 2 is a structural exploded view of a laser welding positioning jig provided by an embodiment of the utility model;

fig. 3 is a schematic diagram of a product for a laser welding positioning fixture according to an embodiment of the present utility model.

In the figure:

1-a jig bottom plate; 2-a positioning table; 3-locating pins; 4-stop pins; 5-side pushing blocks; 6, an end face pushing block; 7-driving a push plate; 8-cylinder; 9-a cavity; 10-an upper cover plate; 11-a workpiece placement port; 12-a first stop; 13-a first mobile seat; 14-a first spring; 15-rolling wheels; 16-grooves; 17-a guide rail; 18-a second stop; 19-a second mobile seat; 20-a second spring; 21-convex edges; 22-a middle plate; 23-I plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 and 2, the preferred embodiment provides a laser welding positioning fixture, and for the product of fig. 3, the fixture comprises a fixture bottom plate 1, a positioning table 2 for placing a workpiece is arranged on the fixture bottom plate 1, a positioning pin 3 for positioning the first workpiece (i.e. a middle plate 22) and a stop pin 4 for limiting the end of the second workpiece (i.e. an I plate 23) are arranged on the positioning table 2, in particular, the positioning pin 3 is a round pin and a prismatic pin, the middle plate 22 is foolproof, and the stop is a round pin.

The fixture comprises a fixture bottom plate 1, side pushing blocks 5 used for pushing an I plate 23 onto a middle plate 22 are arranged on two sides of the fixture bottom plate 2, an end face pushing block 6 used for pushing the I plate 23 against a stop pin 4 is arranged on one end of the fixture bottom plate 1 and located on the fixture bottom plate 2, a driving pushing plate 7 is arranged below the fixture bottom plate 2, the driving pushing plate 7 moves in a reciprocating mode, and the side pushing blocks 5 and the end face pushing block 6 are driven to synchronously push or release the I plate 23.

Specifically, the jig base plate 1 is provided with an air cylinder 8, the air cylinder 8 is on the same side as the end face pushing block 6, and a piston rod of the air cylinder is fixedly connected with the driving pushing plate 7, so that the driving pushing plate 7 moves towards the stop pin 4 in a reciprocating manner.

The jig bottom plate 1 is provided with a die cavity 9 corresponding to the side push block 5 and the end face push block 6, the side push block 5 and the end face push block 6 are respectively embedded in the corresponding die cavity 9, the jig bottom plate 1 is also provided with an upper cover plate 10, the upper cover plate 10 covers the die cavities 9, and the upper cover plate 10 is provided with a workpiece placing opening 11.

Wherein, be provided with first dog 12 on the side of tool bottom plate 1, be provided with first removal seat 13 between first dog 12 and the locating bench 2, it is equipped with first spring 14 to press from both sides between first removal seat 13 and the first dog 12, side ejector pad 5 is fixed in on the face of first removal seat 13 towards locating bench 2, and lie in the below of side ejector pad 5 on the first removal seat 13 and be provided with the bellying, be provided with the gyro wheel 15 that keeps the contact with the border of drive push pedal 7 on the bellying, the recess 16 has been seted up at the border of drive push pedal 7, when gyro wheel 15 is arranged in recess 16, side ejector pad 5 stretches out to I board 23.

Because the first moving seat 13 is perpendicular to the moving direction of the driving push plate 7, the first moving seat 13 needs to be ensured to move smoothly, and the groove 16 is in arc transition connection with the edge of the driving push plate 7, so that the reciprocating movement of the driving push plate 7 is converted into the telescopic movement of the side push block 5, further, a guide rail 17 perpendicular to the moving direction of the driving push plate 7 is arranged on the jig base plate 1 and between the first stop block 12 and the positioning table 2, and the first moving seat 13 is arranged on the guide rail 17 in a sliding manner.

The end face of the jig bottom plate 1 is provided with a second stop block 18, a second movable seat 19 is arranged between the second stop block 18 and the positioning table 2, a second spring 20 is clamped between the second movable seat 19 and the second stop block 18, the end face pushing block 6 is fixed on the face of the second movable seat 19 facing the positioning table 2, a convex edge 21 is arranged below the end face pushing block 6 on the second movable seat 19, and the convex edge 21 is kept in contact with the end edge of the driving push plate 7, so that the second movable seat 19 is driven to reciprocate.

The using process comprises the following steps:

1) Firstly, placing a middle plate 22 on a positioning table 2, correspondingly matching reserved holes on the middle plate 22 with round pins and prismatic pins, and pre-assembling two I plates 23 on the middle plate 22;

2) The air cylinder 8 stretches out to drive the push plate 7 to move towards the stop pin 4, at the moment, the roller 15 on the first moving seat 13 rolls into the groove 16 of the drive push plate 7 under the action of spring force, the side push block 5 stretches out towards the I plate 23, and the I plate 23 is propped against the middle plate 22; the second movable seat 19 is driven by spring force to extend the end surface push block 6 to the I plate 23, so that the I plate 23 is propped against the stop pin 4;

3) Finishing laser welding;

4) The cylinder 8 drives the driving push plate 7 to retract, at the moment, the roller 15 on the first moving seat 13 rolls out of the groove 16 against the elastic force of the spring, and the side push block 5 retracts; the driving push plate 7 presses the second moving seat 19 to overcome the elastic force of the spring to retract the end face push block 6, so as to release the workpiece.

In conclusion, the laser welding positioning jig drives the side pushing block and the end surface pushing block to jointly act through the driving pushing plate, accurate pre-assembly of a workpiece is achieved, and a sufficient space is reserved for an upper surface welding area in an edge jacking mode, so that a laser welding process is carried out, the jig is simple in structure, simple in driving and accurate in action, and positioning and clamping efficiency is effectively improved.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above embodiments, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a laser welding positioning jig, its characterized in that, includes the tool bottom plate, be provided with the locating bench of placing the work piece on the tool bottom plate, be provided with the locating pin that is used for fixing a position work piece one and be used for spacing backing pin to work piece both ends on the locating bench, on the tool bottom plate and be located the both sides of locating bench are provided with the side ejector pad that is used for pushing up work piece two on work piece one, on the tool bottom plate and be located the one end of locating bench is provided with the terminal surface ejector pad that is used for pushing up work piece two and leans on the backing pin, the below of locating bench is provided with the drive push pedal, drive push pedal reciprocating motion the side ejector pad with terminal surface ejector pad pushes up in step or releases work piece two.

2. The laser welding positioning jig according to claim 1, wherein cavities are respectively formed in the jig base plate corresponding to the side pushing blocks and the end face pushing blocks, the side pushing blocks and the end face pushing blocks are embedded in the corresponding cavities, an upper cover plate is further arranged on the jig base plate, each cavity is covered by the upper cover plate, and a workpiece placing opening is formed in the upper cover plate.

3. The laser welding positioning jig according to claim 1, wherein a cylinder is arranged on the jig base plate, the cylinder is on the same side as the end face pushing block, and a piston rod of the cylinder is fixedly connected with the driving pushing plate, so that the driving pushing plate moves back and forth towards the stop pin.

4. The laser welding positioning jig according to claim 2, wherein a first stop block is arranged on the side face of the jig base plate, a first movable seat is arranged between the first stop block and the positioning table, a first spring is clamped between the first movable seat and the first stop block, the side face pushing block is fixed on the face, facing the positioning table, of the first movable seat, a protruding portion is arranged below the side face pushing block, a roller which is in contact with the edge of the driving push plate is arranged on the protruding portion, a groove is formed in the edge of the driving push plate, and when the roller is positioned in the groove, the side face pushing block protrudes towards a workpiece II.

5. The laser welding positioning jig according to claim 4, wherein the groove is in arc transition engagement with the edge of the driving pushing plate, so that the reciprocating movement of the driving pushing plate is converted into telescopic movement of the side pushing block.

6. The laser welding positioning jig according to claim 4, wherein a guide rail perpendicular to the moving direction of the driving push plate is arranged on the jig base plate and between the first stop block and the positioning table, and the first moving seat is arranged on the guide rail in a sliding manner.

7. The laser welding positioning jig according to claim 2, wherein a second stop block is arranged on the end face of the jig bottom plate, a second movable seat is arranged between the second stop block and the positioning table, a second spring is clamped between the second movable seat and the second stop block, the end face pushing block is fixed on the face, facing the positioning table, of the second movable seat, a protruding edge is arranged below the end face pushing block on the second movable seat, and the protruding edge is kept in contact with the end edge of the driving pushing plate.

8. The laser welding positioning jig according to claim 1, wherein the positioning pin comprises a round pin and a prismatic pin, so that foolproof of a workpiece is realized.