CN212122062U

CN212122062U - Clamping device for laser welding

Info

Publication number: CN212122062U
Application number: CN202020668438.8U
Authority: CN
Inventors: 周清; 李涛
Original assignee: Nanjing Helu Automation Technology Co ltd
Current assignee: Nanjing Helu Automation Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-11
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a clamping device for laser welding, including the base, be provided with fixture on the upper surface of base, fixture's inside is provided with pressing means, and fixture includes the circular slot, and the circular slot is seted up on the lateral wall of base, all rotates through first bearing on the both ends inner wall of circular slot and is connected with the screw thread post, the utility model discloses the beneficial effect who reaches is: the turnplate is driven to rotate through the turnplate, the turnplate drives the threaded column to rotate, the deer nest is pressed to drive two threaded cylinders to move reversely, then two clamping blocks are driven to clamp materials, then the first threaded rod is rotated to enable the first threaded rod to rotate inside the first threaded hole, then the turnplate is driven to move to a proper position, then the second threaded rod is rotated to drive the pressing block to move downwards, the rubber sheet is enabled to carry out which kind of the material, then the material is pressed on the upper surface of the first base, and then the material is prevented from shaking up and down to finish welding.

Description

Clamping device for laser welding

Technical Field

The utility model relates to a clamping device is used in clamping device laser welding for laser welding belongs to laser welding technical field.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of laser material processing technology application, and the welding process belongs to a heat conduction type, namely, laser radiation heats the surface of a workpiece, surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, energy, peak power, repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.

When carrying out laser welding to the material, the material produces when preventing that laser from melting the material and slides and lead to welded insecure and then need to fix the material, but current laser welding mounting fixture all carries out the centre gripping to the side of material, does not fix the upper and lower both sides of panel, and the welding face that probably leads to two materials interlocks each other and can't accomplish the welding probably leads to welding failure when panel changes the catapult from top to bottom in the material production when welding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's laser welding mounting fixture and all carry out the centre gripping to the side of material, do not fix the upper and lower both sides of panel, can lead to the material to produce when panel when the welding and trade the catapult from top to bottom, and then the face of weld that probably leads to two materials interlocks each other and can't accomplish the welding, leads to the defect of welding failure, provides a clamping device for laser welding.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a clamping device for laser welding, the on-line screen storage device comprises a base, be provided with fixture on the upper surface of base, fixture's inside is provided with pressing means, fixture includes the circular slot, the circular slot is seted up on the lateral wall of base, all rotate through first bearing on the both ends inner wall of circular slot and be connected with the screw thread post, the one end fixedly connected with carousel of screw thread post, the fixedly connected with bull stick on the surface of carousel, the equal threaded connection in both ends of screw thread post has a screw thread section of thick bamboo, two the equal fixedly connected with connecting block in top of screw thread section of thick bamboo, two connecting block sliding connection is inside same spout, two the top of connecting block is two clamp splice of fixedly connected with respectively.

As a preferred technical scheme of the utility model, pressing mechanism includes first screw hole, two first screw hole is seted up respectively on the surface of two clamp splices, two the equal threaded connection in inside of first screw hole has first threaded rod, two the one end that first threaded rod is close to each other all is connected with the commentaries on classics piece, two through the second bearing rotation the commentaries on classics piece all seted up the second screw hole on the surface, two the equal threaded connection in inside of second screw hole has the second threaded rod, two the lower extreme fixedly connected with briquetting of second threaded rod, two equal fixedly connected with sheet rubber on the lower surface of briquetting.

As an optimal technical scheme of the utility model, two the inside screw thread of a screw thread section of thick bamboo sets up in reverse.

As an optimized technical scheme of the utility model, two first screw hole corresponds the setting.

As an optimized technical scheme of the utility model, the second screw hole sets up with the last perpendicular surface of base.

The utility model discloses the beneficial effect who reaches is: the turnplate is driven to rotate through the turnplate, the turnplate drives the threaded column to rotate, the deer nest is pressed to drive two threaded cylinders to move reversely, then two clamping blocks are driven to clamp materials, then the first threaded rod is rotated to enable the first threaded rod to rotate inside the first threaded hole, then the turnplate is driven to move to a proper position, then the second threaded rod is rotated to drive the pressing block to move downwards, the rubber sheet is enabled to carry out which kind of the material, then the material is pressed on the upper surface of the first base, and then the material is prevented from shaking up and down to finish welding.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic structural view of the pressing mechanism of the present invention.

In the figure: 1. a base; 2. a clamping mechanism; 21. a circular groove; 22. a first bearing; 23. a threaded post; 24. a turntable; 25. a rotating rod; 26. a threaded barrel; 27. connecting blocks; 28. a chute; 29. a clamping block; 3. a pressing mechanism; 31. a first threaded hole; 32. a first threaded rod; 33. a second bearing; 34. rotating the block; 35. a second threaded hole; 36. a second threaded rod; 37. briquetting; 38. a rubber sheet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-4, the utility model provides a clamping device for laser welding, which comprises a base 1, a clamping mechanism 2 is arranged on the upper surface of the base 1, a pressing mechanism 3 is arranged inside the clamping mechanism 2, the clamping mechanism 2 comprises a circular groove 21, the circular groove 21 is arranged on the side wall of the base 1, the inner walls of the two ends of the circular groove 21 are rotatably connected with a threaded column 23 through a first bearing 22, one end of the threaded column 23 is fixedly connected with a rotary table 24, the surface of the rotary table 24 is fixedly connected with a rotating rod 25, the two ends of the threaded column 23 are respectively and threadably connected with a threaded cylinder 26, the top ends of the two threaded cylinders 26 are respectively and fixedly connected with a connecting block 27, the two connecting blocks 27 are slidably connected inside a same sliding groove 28, the top ends of the two connecting blocks 27 are respectively and fixedly connected with two clamping blocks 29, the rotating rod 25 drives the rotary table, the screw thread on two screw thread section of thick bamboo 26 inner walls of surperficial screw thread extrusion when screw thread post 23 rotates, drives two screw thread section of thick bamboos 26 antiport through screw thread post 23, and two screw thread section of thick bamboos 26 drive two connecting blocks 27 and are close to each other, and two connecting blocks 27 drive two clamp splice 29 and are close to each other, and then two clamp splice 29 that make carry out the centre gripping to the material on the base 1 upper surface.

The pressing mechanism 3 comprises a first threaded hole 31, two first threaded holes 31 are respectively arranged on the surfaces of the two clamping blocks 29, first threaded rods 32 are respectively in threaded connection inside the two first threaded holes 31, the ends, close to each other, of the two first threaded rods 32 are respectively in rotary connection with a rotating block 34 through a second bearing 33, second threaded holes 35 are respectively arranged on the surfaces of the two rotating blocks 34, second threaded rods 36 are respectively in threaded connection inside the two second threaded holes 35, pressing blocks 37 are fixedly connected to the lower ends of the two second threaded rods 36, rubber sheets 38 are respectively fixedly connected to the lower surfaces of the two pressing blocks 37, the first threaded rods 32 are rotated, threads on the surfaces of the first threaded rods 32 extrude threads inside the first threaded holes 31 when the first threaded rods 32 are rotated, so that the first threaded rods 32 are driven to rotate and move inside the first threaded holes 31, and the rotating blocks 34 are pushed to rotate when the first threaded rods 32, the lower end of the rotating block 34 is always downward through the second bearing 33, then the second threaded rod 36 is rotated, the threads on the surface of the second threaded rod 36 pressurize the threads inside the second threaded hole 35 when the second threaded rod 36 rotates, and further the second threaded rod 36 rotates inside the second threaded hole 35, and when the second threaded rod 36 moves downwards, the press block 37 is driven to move downwards, so that the rubber sheet 38 on the lower surface of the press block 37 is driven to be in close contact with the material, the material is extruded on the upper surface of the base 1 through the rubber sheet 38, and further the material on the upper surface of the base 1 is prevented from shifting and shaking, and further the material is prevented from shaking upwards and downwards and cannot be welded.

The threads on the interior of the two threaded cylinders 26 are reversed, thereby reversing the movement of the two threaded cylinders 26.

The two first threaded holes 31 are correspondingly arranged, so that the two first threaded rods 31 correspond.

The second threaded hole 35 is perpendicular to the upper surface of the base 1, so that the second threaded rod 36 is vertically downward, and the rubber sheet 38 can be attached to the material.

Specifically, when the utility model is used, firstly, the material is prevented from being placed on the upper surface of the base 1, then the rotating rod 25 is rotated, the rotating rod 25 drives the rotating disc 24 to rotate, the rotating disc 24 drives the threaded column 23 to rotate when rotating, the threads on the surface extrude the threads on the inner walls of the two threaded cylinders 26 when the threaded column 23 rotates, the two threaded cylinders 26 are driven to move reversely through the threaded column 23, the two threaded cylinders 26 drive the two connecting blocks 27 to approach each other, the two connecting blocks 27 drive the two clamping blocks 29 to approach each other, so that the two clamping blocks 29 clamp the material on the upper surface of the base 1, then the first threaded rod 32 is rotated, the threads on the surface extrude the threads inside the first threaded hole 31 when the first threaded rod 32 rotates, and then the first threaded rod 32 is driven to rotate inside the first threaded hole 31, the rotating block 34 is pushed to rotate when the first threaded rod 32 moves, the rotating block 34 enables the lower end of the rotating block 34 to face downwards through, then, the second threaded rod 36 is rotated, the threads on the surface of the second threaded rod 36 pressurize the threads inside the second threaded hole 35 when the second threaded rod 36 rotates, so that the second threaded rod 36 rotates inside the second threaded hole 35, the second threaded rod 36 moves downwards to drive the pressing block 37 to move downwards, the rubber sheet 38 on the lower surface of the pressing block 37 is driven to be in close contact with the material, the material is extruded on the upper surface of the base 1 through the rubber sheet 38, the material on the upper surface of the base 1 is prevented from deviating and shaking, and the material is prevented from shaking up and down to finish welding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The clamping device for laser welding is characterized by comprising a base (1), wherein a clamping mechanism (2) is arranged on the upper surface of the base (1), a pressing mechanism (3) is arranged inside the clamping mechanism (2), the clamping mechanism (2) comprises a circular groove (21), the circular groove (21) is formed in the side wall of the base (1), threaded columns (23) are rotationally connected to the inner walls of the two ends of the circular groove (21) through first bearings (22), a rotary table (24) is fixedly connected to one ends of the threaded columns (23), a rotary rod (25) is fixedly connected to the surface of the rotary table (24), threaded cylinders (26) are respectively in threaded connection with the two ends of each threaded column (23), connecting blocks (27) are respectively and fixedly connected to the top ends of the two threaded cylinders (26), and the two connecting blocks (27) are in sliding connection with the inside the same sliding groove (28), the top ends of the two connecting blocks (27) are respectively and fixedly connected with two clamping blocks (29).

2. The clamping device for laser welding as claimed in claim 1, wherein the pressing mechanism (3) comprises first threaded holes (31), two first threaded holes (31) are respectively formed in the surfaces of the two clamping blocks (29), first threaded rods (32) are respectively in threaded connection with the inside of the two first threaded holes (31), one ends, close to each other, of the two first threaded rods (32) are respectively in rotational connection with a rotating block (34) through a second bearing (33), second threaded holes (35) are respectively formed in the surfaces of the two rotating blocks (34), second threaded rods (36) are respectively in threaded connection with the inside of the two second threaded holes (35), pressing blocks (37) are fixedly connected to the lower ends of the two second threaded rods (36), and rubber sheets (38) are respectively fixedly connected to the lower surfaces of the two pressing blocks (37).

3. The clamping device for laser welding as claimed in claim 1, characterized in that the threads of the interior of the two threaded cylinders (26) are arranged in opposite directions.

4. The clamping device for laser welding as claimed in claim 2, characterized in that two first threaded holes (31) are provided correspondingly.

5. The clamping device for laser welding as claimed in claim 2, characterized in that the second threaded hole (35) is arranged perpendicularly to the upper surface of the base (1).