Laser welding pressing clamp suitable for multi-point independent pressing and with air suction and blowing functions

Abstract

The utility model belongs to the technical field of laser welding, particularly relates to a laser welding pressing clamp with air suction and air blowing functions, and aims to solve the problems that each welding point needs to be independently pressed for clearance elimination in the prior art, otherwise, explosion points are easy to occur or the welding seam strength cannot meet the process requirement due to the fact that the two tested pieces are not firmly attached to each other. In order to solve the problem that the welding quality and appearance are affected due to the fact that smoke is not discharged in time in the welding process, the welding fixture comprises a fixture mounting base plate; the clamp mechanism is used for clamping and fixing a tested piece, the clamp mechanism is arranged at the top of the clamp mounting base plate, the clamp mechanism comprises a first pressure head mounting base and a second pressure head mounting base which are mounted at the top of the clamp mounting base plate, and the multi-point welding working condition of the laser welding process and the independent pressing, gap eliminating and clamping efficiency of the tested piece are improved; the pressure head is compact in structure and integrates blowing and sucking functions, and the welding efficiency and quality of laser welding are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding technical field especially relates to a kind of with suction and air blowing's laser welding pressure clamp suitable for multiple-point independent compression. BACKGROUND

[0002] Laser welding process is the process that laser beam is used to the precision welding of test piece, with the advantages of high energy density, high welding efficiency, fast processing speed, and welding area often needs to be compressed gap to be assisted function to the test piece, to guarantee welding quality;

[0003] But in actual existence, a workpiece exists multiple densely distributed weld points, need to be processed point by point, multiple clamping, for this multiple-point welding condition, each weld point needs to be independently compressed gap, otherwise because the test piece two are not firmly, easy to appear burst point or weld strength does not meet the process requirement, while the smoke appearing in welding process is not discharged in time to affect welding quality and appearance. UTILITARY MODEL CONTENT

[0004] The utility model aims at solving the shortcoming that in prior art, each weld point needs to be independently compressed gap, otherwise because the test piece two are not firmly, easy to appear burst point or weld strength does not meet the process requirement, while the smoke appearing in welding process is not discharged in time to affect welding quality and appearance, and a kind of with suction and air blowing's laser welding pressure clamp suitable for multiple-point independent compression is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of with suction and air blowing's laser welding pressure clamp suitable for multiple-point independent compression, including clamp mounting base plate;

[0007] Clamp mechanism, for clamping and fixing test piece, the clamp mechanism is arranged at the top of clamp mounting base plate, the clamp mechanism includes the first pressure head installation pedestal and the second pressure head installation pedestal installed at the top of clamp mounting base plate, one side in the first pressure head installation pedestal and the second pressure head installation pedestal is provided with a plurality of first floating pressure head, the other side in the first pressure head installation pedestal and the second pressure head installation pedestal is provided with a plurality of second floating pressure head and third floating pressure head respectively, the top of the first pressure head installation pedestal and the second pressure head installation pedestal is respectively fixedly provided with second pressure head cover plate and first pressure head cover plate, the bottom of the second pressure head cover plate and the first pressure head cover plate is fixedly provided with a plurality of compression springs, and the other end of the plurality of compression springs is fixedly provided at the top of adjacent first floating pressure head, second floating pressure head and third floating pressure head;

[0008] The ventilation mechanism is used for discharging smoke during welding, the ventilation assembly is arranged on the top of the clamp mounting base plate, the ventilation assembly comprises a main air suction pipeline arranged on the top of the clamp mounting base plate, one end of one side of the main air suction pipeline is provided with a ventilation hole, two ends of the other side of the main air suction pipeline are respectively fixedly connected with a first air suction pipeline and a second air suction pipeline, bottoms of the first air suction pipeline and the second air suction pipeline are respectively fixedly connected with a plurality of fourth air suction pipelines and third air suction pipelines, the second pressure head cover plate and the first pressure head cover plate are internally provided with a plurality of first ventilation grooves, the plurality of third air suction pipelines and the fourth air suction pipelines are in communication with adjacent first ventilation grooves, the first pressure head mounting base and the second pressure head mounting base are internally provided with a plurality of second ventilation grooves, and the plurality of second ventilation grooves are in communication with the plurality of first ventilation grooves, the first floating pressure head, the second floating pressure head and the third floating pressure head are provided with air suction channels on two sides, the air suction channels are in communication with adjacent second ventilation grooves, and the first floating pressure head, the second floating pressure head and the third floating pressure head are internally provided with air outlet channels.

[0009] In a possible design, the top of the clamp mounting base plate is provided with a plurality of mounting supports, and the plurality of mounting supports are matched with the main air suction pipeline.

[0010] In a possible design, the top of the clamp mounting base plate is provided with a plurality of clamp coarse positioning blocks on two sides, one side of the top of the clamp mounting base plate is provided with a plurality of clamp adjustment pin mounting blocks, the clamp adjustment pin mounting blocks are provided with clamp positioning blocks, the clamp positioning blocks are provided with a waist hole and a plurality of circular holes, and one side of the bottom of the clamp mounting base plate is provided with a plurality of clamp adjustment pins.

[0011] In a possible design, one side of the clamp mounting base plate is provided with a clamp magnetic attraction block.

[0012] In a possible design, one side of the clamp mounting base plate is provided with a clamp type coding block.

[0013] In a possible design, two sides of the top of the clamp mounting base plate are provided with clamp reinforcing ribs.

[0014] In a possible design, two sides of the bottom of the clamp mounting base plate are provided with pressure clamp wear-resistant support strips.

[0015] In the application, in specific use, each pressure head is provided with multiple compression springs for compressing and eliminating gaps of multiple welding point areas of the test piece, and the main air suction pipeline is connected with the corresponding fourth air suction pipeline and third air suction pipeline through the first air suction pipeline and the second air suction pipeline, the third air suction pipeline and the fourth air suction pipeline are connected with the second ventilation groove of the first pressure head mounting base and the second pressure head mounting base through the first ventilation groove in the first pressure head cover plate and the second pressure head cover plate, and finally the main air suction pipeline is connected with the air suction channel, so that the layout of the air blowing channel and the air suction channel is realized in the narrow welding space.

[0016] In the utility model, the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression can achieve multiple-point independent compression of the test piece through multiple laser welding technologies, and the compression effect and stability are improved.

[0017] In the utility model, the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression can achieve comprehensive coverage of the welding area and effective discharge of smoke through the ventilation mechanism, the welding environment is improved, and the welding quality and the health level of the operator are improved.

[0018] In the utility model, in use, the multiple-point welding working condition of the laser welding process, the independent compression and gap-elimination clamping efficiency of the test piece are improved, the pressure head structure is compact, the blowing and suction functions are integrated, and the welding efficiency and quality of the laser welding are improved. ACCURACY OF DRAWINGS

[0019] Fig. 1 A main body structure schematic view of the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression is provided for the utility model.

[0020] Fig. 2 An exploded structure schematic view of the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression is provided for the utility model.

[0021] Fig. 3 A bottom view structure schematic view of the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression is provided for the utility model.

[0022] Fig. 4 A cross-sectional structure schematic view of the pressure head cover plate and the pressure head mounting base of the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression is provided for the utility model.

[0023] Fig. 5 A three-dimensional structure schematic view of the floating pressure head of the laser welding compression fixture with air suction and blowing suitable for multiple-point independent compression is provided for the utility model.

[0024] Fig. 6The utility model provides a cross section structure schematic drawing of floating pressure head of laser welding pressure clamp with air suction and air blowing suitable for multipoint independent compression

[0025] In the figure: 1, pressure clamp wear-resistant support strip; 2, clamp coarse positioning block; 3, clamp adjusting pin mounting block; 4, waist hole; 5, round hole; 6, clamp adjusting pin; 7, clamp magnetic suction block; 8, mounting support; 9, clamp mounting base plate; 10, clamp type coding block; 11, main air suction pipeline; 12, clamp reinforcing rib; 13, No. 3 air suction pipeline; 14, No. 4 air suction pipeline; 15, No. 1 pressure head cover plate; 16, No. 2 pressure head cover plate; 17, No. 1 floating pressure head mounting base; 18, No. 2 floating pressure head mounting base; 19, No. 1 floating pressure head; 20, No. 2 floating pressure head; 21, No. 3 floating pressure head; 22, No. 1 air suction pipeline; 23, No. 2 air suction pipeline; 24, compression spring; 25, air outlet passage; 26, air suction passage. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Embodiment 1

[0028] Referring to Figs. 1-3 A pressure clamp comprises a clamp mounting base plate 9. On the top of the clamp mounting base plate 9, a plurality of mounting supports 8 are fixed by bolts or other fasteners, which are used to support and position the main air suction pipeline 11, ensuring the accurate and stable position of the main air suction pipeline 11.

[0029] A clamp mechanism is arranged on the top of the clamp mounting base plate 9 to clamp and fix the test piece. A No. 1 pressure head mounting base 17 and a No. 2 pressure head mounting base 18 are fixed on the top of the clamp mounting base plate 9 by bolts or other fasteners. On the inner side of the No. 1 pressure head mounting base 17 and the No. 2 pressure head mounting base 18, a plurality of No. 1 floating pressure heads 19 are arranged, which can float within a certain range. On the outer side of the No. 1 pressure head mounting base 17, a plurality of No. 2 floating pressure heads 20 are arranged, and on the outer side of the No. 2 pressure head mounting base 18, a plurality of No. 3 floating pressure heads 21 are arranged. This design enables the clamp mechanism to realize multipoint independent compression of the test piece, improving the compression effect and stability.

[0030] Referring to Fig. 4In order to enhance the pressing effect, the second pressing head cover plate 16 and the first pressing head cover plate 15 are respectively fixed on the top of the first pressing head mounting base 17 and the second pressing head mounting base 18 by bolts or other fasteners. At the bottom of the second pressing head cover plate 16 and the first pressing head cover plate 15, a plurality of pressing springs 24 are fixedly arranged, and the other end of the pressing spring 24 is fixedly arranged on the top of the adjacent first floating pressing head 19, the second floating pressing head 20 and the third floating pressing head 21. Through the elastic force of the pressing spring 24, the floating pressing head can better fit the test piece, and the pressing effect is improved.

[0031] The present application can be used in the field of laser welding technology, and can also be used in other fields applicable to the present application.

[0032] Embodiment 2

[0033] Reference Figs. 1-2 On the basis of improving embodiment 1: a laser welding pressing clamp with air suction and blowing suitable for multi-point independent pressing is applied to the field of laser welding technology, and the ventilation mechanism is used to exhaust the smoke during welding, mainly composed of a main suction pipe 11, a first suction pipe 22, a second suction pipe 23, a third suction pipe 13 and a fourth suction pipe 14. The main suction pipe 11 is fixed on the top of the clamp mounting base plate 9 by the mounting bracket 8, and one end of the side is provided with a ventilation hole for connecting the external suction equipment. The first suction pipe 22 and the second suction pipe 23 are respectively fixedly connected to the two ends of the other side of the main suction pipe 11, and the bottoms of the first suction pipe 22 and the second suction pipe 23 are respectively fixedly connected with a plurality of fourth suction pipes 14 and third suction pipes 13. The arrangement of these suction pipes makes the ventilation mechanism can realize the overall coverage of the welding area, effectively exhausts the smoke.

[0034] Reference Figs. 4-6 In the interior of the second pressing head cover plate 16 and the first pressing head cover plate 15, a plurality of first ventilation grooves are provided, which are communicated with the adjacent third suction pipe 13 or fourth suction pipe 14. At the same time, a plurality of second ventilation grooves are also provided in the interior of the first pressing head mounting base 17 and the second pressing head mounting base 18, which are respectively communicated with a plurality of first ventilation grooves. In addition, air suction channels 26 are provided on both sides of the first floating pressing head 19, the second floating pressing head 20 and the third floating pressing head 21, which are communicated with the adjacent second ventilation grooves, used to exhaust the smoke, to avoid the phenomenon that the smoke in the welding process is not exhausted in time, thereby affecting the welding quality and appearance. In the interior of the first floating pressing head 19, the second floating pressing head 20 and the third floating pressing head 21, air outlet channels 25 are provided.

[0035] Reference Figs. 1-2In addition, the top of the clamp mounting base 9 is provided with a plurality of clamp coarse positioning blocks 2 on both sides. On one side of the top of the clamp mounting base 9, a plurality of clamp adjustment pin mounting blocks 3 are provided, and the clamp positioning blocks are mounted on the mounting blocks 3, and the waist hole 4 and a plurality of round holes 5 are formed in the clamp positioning blocks. On one side of the bottom of the clamp mounting base 9, a plurality of clamp adjustment pins 6 are provided. At the same time, a clamp magnetic attraction block 7 is provided on one side of the clamp mounting base 9. In order to facilitate management and identification, a clamp type coding block 10 is provided on one side of the clamp mounting base 9. In order to improve the strength and stability of the clamp mounting base 9, clamp reinforcing ribs 12 are further provided on both sides of the top of the clamp mounting base 9. Finally, wear-resistant support strips 1 are provided on both sides of the bottom of the clamp mounting base 9, which are used for supporting and protecting the clamp.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping, characterized in that, include: Fixture mounting base plate (9); A clamping mechanism is used to clamp and fix the test specimen. The clamping mechanism is disposed on the top of the clamping mounting base (9). The clamping mechanism includes a first pressure head mounting base (17) and a second pressure head mounting base (18) mounted on the top of the clamping mounting base (9). Multiple first floating pressure heads (19) are provided on one side of the first pressure head mounting base (17) and the second pressure head mounting base (18). Multiple second floating pressure heads (19) are provided on the other side of the first pressure head mounting base (17) and the second pressure head mounting base (18). The first pressure head (20) and the third floating pressure head (21) are respectively fixedly provided with the second pressure head cover plate (16) and the first pressure head cover plate (15) on the top of the first pressure head mounting base (17) and the second pressure head mounting base (18). Multiple compression springs (24) are fixedly provided at the bottom of the second pressure head cover plate (16) and the first pressure head cover plate (15), and the other end of the multiple compression springs (24) is fixedly provided at the top of the adjacent first floating pressure head (19), second floating pressure head (20) and third floating pressure head (21); A ventilation mechanism is used to exhaust welding fumes. The ventilation mechanism is set on the top of the fixture mounting base plate (9). The ventilation assembly includes a main suction pipe (11) installed on the top of the fixture mounting base plate (9). One end of the main suction pipe (11) is provided with a ventilation hole. The two ends of the other side of the main suction pipe (11) are respectively fixedly connected to a first suction pipe (22) and a second suction pipe (23). The bottoms of the first suction pipe (22) and the second suction pipe (23) are respectively fixedly connected to multiple fourth suction pipes (14) and third suction pipes (13). The interiors of the second pressure head cover plate (16) and the first pressure head cover plate (15) are each provided with multiple first suction pipes. The ventilation ducts are connected to the adjacent ventilation ducts. The first and second pressure head mounting bases (17 and 18) are each provided with multiple second ventilation ducts, which are connected to multiple first ventilation ducts. The first floating pressure head (19), the second floating pressure head (20) and the third floating pressure head (21) are each provided with suction channels (26) on both sides. The suction channels (26) are connected to the adjacent second ventilation ducts. The first floating pressure head (19), the second floating pressure head (20) and the third floating pressure head (21) are each provided with an air outlet channel (25).

2. The laser welding clamping fixture with suction and blowing function suitable for multi-point independent clamping according to claim 1, characterized in that, The top of the fixture mounting base plate (9) is equipped with multiple mounting brackets (8), and the multiple mounting brackets (8) are all matched with the main air intake duct (11).

3. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping, as described in claim 1, is characterized in that... Multiple clamp coarse positioning blocks (2) are provided on both sides of the top of the clamp mounting base plate (9). Multiple clamp adjusting pin mounting blocks (3) are provided on one side of the top of the clamp mounting base plate (9). A clamp positioning block is installed on the clamp adjusting pin mounting block (3). A waist hole (4) and multiple round holes (5) are opened on the clamp positioning block. Multiple clamp adjusting pins (6) are provided on one side of the bottom of the clamp mounting base plate (9).

4. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping, as described in claim 1, characterized in that, A clamp magnetic block (7) is provided on one side of the clamp mounting base plate (9).

5. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping, as described in claim 1, characterized in that, A clamp type coding block (10) is provided on one side of the clamp mounting base plate (9).

6. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping according to claim 1, characterized in that, The clamp mounting base plate (9) is provided with clamp reinforcing ribs (12) on both sides of the top.

7. A laser welding clamping fixture with suction and blowing functions suitable for multi-point independent clamping according to claim 1, characterized in that, The clamp mounting base plate (9) is provided with clamping clamp wear-resistant support strips (1) on both sides of the bottom.

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