CN213470013U

CN213470013U - Laser welding fixture

Info

Publication number: CN213470013U
Application number: CN202021331299.6U
Authority: CN
Inventors: 钟雄雄; 石丹国; 欧阳忠华; 李东飞; 程文康; 李桂平; 郑镇潮; 刘婷; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Han s Laser Technology Industry Group Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-06-18
Anticipated expiration: 2030-07-07

Abstract

The utility model provides a laser welding fixture, which comprises a base, a pressing plate and a pressing claw, wherein one end of the base is provided with a first mounting groove, and the other end is provided with a fixture groove; one end of the pressing plate is inserted into the first mounting groove and is hinged with the pressing plate through a rotating shaft, and the other end of the pressing plate is provided with a pressing strip; the pressing plate is also provided with a first containing groove at one side close to the jig groove, and one end of the pressing claw is embedded into the first containing groove and is hinged with the base through an L-shaped pin. The utility model provides a laser welding anchor clamps passes through the clamp plate and is fixed in the product on the base, recycle and press the claw to compress tightly the product on the base, it is articulated through L shape round pin between claw and the clamp plate should press, can be connected with pressing claw and base effectively, can be very convenient again will press the claw to dismantle, it is simple to press connection structure between claw and the clamp plate, convenient dismantlement, not extra occupation space, can in time change when the phenomenon that appears melting tin balling-up on pressing the claw and press the claw, improve laser welding's yields and machining efficiency.

Description

Laser welding fixture

Technical Field

The utility model belongs to the technical field of the laser welding technique and specifically relates to a laser welding anchor clamps are related to.

Background

Laser welding is an efficient precision welding method that utilizes a high energy density laser beam as a heat source. Laser welding is an important embodiment of the application of laser material processing technology. In the laser welding process, press the claw when laser soldering paste welding and use not easily to accumulate the components such as scaling powder in the tin cream under the condition of clearing up for a long time for press the claw material to have certain affinity to melting tin, the phenomenon of melting tin balling-up appears easily, influences the stability of laser welding technology. In the current clamps for laser welding in the market, the connecting structure of the pressing claw and the clamp is complex, the dismounting of the pressing claw is complex, and the occupied space is large. Some laser welding anchor clamps need change whole anchor clamps even when clearing up pressing the claw, lead to laser welding with high costs, yields low and welding inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve in the anchor clamps that current laser welding used, press the claw complicated with anchor clamps connection structure, press the claw to dismantle loaded down with trivial details and occupation space is big, the laser welding that leads to with high costs, yields are low and welding inefficiency shortcoming provides a laser welding anchor clamps.

The utility model provides a technical scheme that its technical problem adopted is: a laser welding fixture comprises a base, a pressing plate and a pressing claw, wherein one end of the base is provided with a first mounting groove for the pressing plate to hinge, and the other end of the base is provided with a jig groove for placing a product to be welded; one end of the pressing plate is inserted into the first mounting groove and is hinged with the base through a rotating shaft, and the other end of the pressing plate is provided with a pressing strip for pressing the product in the jig groove; the pressing plate is provided with a first accommodating groove for the pressing claw to be embedded in at one side close to the jig groove, and one end of the pressing claw is embedded into the first accommodating groove and is hinged with the pressing plate through an L-shaped pin.

Furthermore, the L-shaped pin comprises a first positioning pin and a second positioning pin which are perpendicular to each other, and the first positioning pin is arranged between the pressing plate and the pressing claw in a penetrating mode.

Specifically, the pressing plate is provided with a first mounting hole which is perpendicular to the first accommodating groove and through which the first positioning pin can be inserted.

Specifically, the side edge of the pressing plate is further provided with a second accommodating groove which extends from the top surface of the pressing plate to the first mounting hole and is used for the second positioning pin to be embedded in.

Specifically, the diameter of the second positioning pin is greater than the width of the second accommodating groove, and the length of the second positioning pin is greater than the depth of the second accommodating groove.

Furthermore, the pressing device also comprises a first rotary pressing strip for pressing the pressing plate on the base and a second rotary pressing strip for pressing the pressing claw on the base.

Specifically, be provided with on the base and supply the second mounting groove of first rotatory layering setting, first rotatory layering including be fixed in first column spinner in the first mounting groove with can with the first piece of propping of the top surface butt of clamp plate, first column spinner is fixed in through the retaining member in the second mounting groove.

Specifically, the side of the first rotary column has a first rotary arc surface capable of being abutted against and rotating with the inner wall of the second mounting groove and a first limiting plane capable of being abutted against and limiting rotation with the inner wall of the second mounting groove.

Specifically, be provided with on the base and supply the third mounting groove that the rotatory layering of second set up, the rotatory layering of second including be fixed in second column spinner in the third mounting groove with can with the second of the top surface butt of pressing the claw supports the piece, the second column spinner passes through the retaining member and is fixed in the third mounting groove.

Specifically, the side surface of the second rotary column is provided with a second rotary arc surface which can be abutted and rotated with the inner wall of the third mounting groove and a second limiting plane which can be abutted and limited to rotate with the inner wall of the third mounting groove.

The utility model provides a laser welding anchor clamps's beneficial effect lies in: will treat the product of welding through the clamp plate and be fixed in on the base, recycle the pressure claw will treat that welded product compresses tightly on the base, it is articulated through L shape round pin between this pressure claw and the clamp plate, can be in order to be connected pressure claw and base effectively, can be very convenient again will press the claw to dismantle, connection structure is simple between pressure claw and the clamp plate, convenient dismantlement, no extra occupation space, can in time change the pressure claw when the phenomenon that appears melting tin balling on pressing the claw, improve laser welding's yields and machining efficiency.

Drawings

Fig. 1 is a schematic perspective view of a laser welding fixture provided by the present invention;

fig. 2 is a top view of a laser welding fixture provided by the present invention;

fig. 3 is a side view of a laser welding fixture provided by the present invention;

fig. 4 is a full sectional view of a-a in fig. 3.

In the figure: 100-laser welding fixture, 10-base, 11-first mounting groove, 12-jig groove, 13-rotating shaft, 14-second mounting groove, 141-inner wall of second mounting groove, 15-third mounting groove, 151-inner wall of third mounting groove, 20-pressing plate, 21-pressing strip, 22-first accommodating groove, 23-first mounting hole, 24-second accommodating groove, 30-pressing claw, 40-L-shaped pin, 41-first positioning pin, 42-second positioning pin, 50-first rotating pressing strip, 51-first rotating column, 511-first rotating cambered surface, 512-first limiting plane, 52-first pressing strip, 60-second rotating pressing strip, 61-second rotating column, 611-second rotating cambered surface, 612-second limiting plane, 62-second pressing piece, L1-width of second accommodating groove, L2-depth of second accommodating groove, D1-diameter of second positioning pin, H1-length of second positioning pin, and 200-product to be welded.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, for the laser welding fixture 100 provided by the present invention, the laser welding fixture 100 is suitable for being used in a product 200 that is welded by a laser welding process, and is used for fixing the product 200 on a laser welding device.

Specifically, as shown in fig. 1, the utility model provides a laser welding fixture 100 includes base 10, clamp plate 20 and clamping jaw 30, wherein the one end of clamp plate 20 articulates on base 10 and is used for being fixed in on base 10 with the shell of product 200, and the one end of clamping jaw 30 articulates on clamp plate 20 for will treat welded product 200 and compress tightly on base 10.

A first mounting groove 11 for the pressing plate 20 to hinge is provided at one end of the base 10, and a jig groove 12 for placing the product 200 to be welded is provided at the other end. The jig groove 12 of the base 10 is used for accommodating and placing the product 200 to be welded, and the jig groove 12 is disposed at the opposite end of the base 10 hinged to the pressing plate 20, so that the product 200 can be fixed in the jig groove 12 by the pressing plate 20. The jig groove 12 can be designed for different products 200. And the first mounting groove 11 is provided at an opposite side of the jig groove 12 for fixedly coupling the pressing plate 20.

One end of the pressing plate 20 is inserted into the first mounting groove 11 and is hinged to the base 10 through the rotating shaft 13, and the other end of the pressing plate 20 is provided with a pressing strip 21 for pressing the product 200 into the jig groove 12. This clamp plate 20 has the extension end that perpendicular to clamp plate 20 set up with base 10 articulated one end, will extend the end and insert in the first mounting groove 11 of base 10 to articulate base 10 and clamp plate 20 through pivot 13, make clamp plate 20 can rotate around the axial of pivot 13, thereby can be for the base 10 perk upwards with the one end that clamp plate 20 is not connected with base 10, place the product 200 of waiting to weld on the tool groove 12 on the convenient base 10. The pressing plate 20 is provided with a pressing strip 21 at one end not connected with the base 10 for pressing the product 200 into the jig groove 12. As shown in fig. 1, in the present embodiment, two opposite pressing strips 21 are disposed on the pressing plate 20, and the pressing strips 21 are used to fix the housing of the product 200 in the jig groove 12, so as to prevent the housing of the product 200 from being released from the jig groove 12. Meanwhile, a U-shaped notch is formed in the middle of the two pressing strips 21, and the U-shaped notch can well expose the part to be welded on the product 200 for laser welding. The pressing claw 30 is arranged at the U-shaped notch, and the part to be welded of the product 200 is pressed tightly by the pressing claw 30, so that the laser welding process is carried out.

Specifically, as shown in fig. 2, the pressing plate 20 is further provided with a first receiving groove 22 at a side close to the jig groove 12 for the pressing claw 30 to be inserted into, and one end of the pressing claw 30 is inserted into the first receiving groove 22 and hinged to the pressing plate 20 through an L-shaped pin 40. One end of the pressing claw 30 is embedded in the first receiving groove 22 of the pressing plate 20 and is hinged to the pressing plate 20 through an L-shaped pin 40, so that the pressing claw 30 can be tilted upwards or pressed downwards relative to the pressing plate 20 and the base 10. The L-shaped pin 40 is provided to facilitate the mounting, fixing and dismounting between the pressing claw 30 and the pressing plate 20. In the long-time laser welding process, this front end of pressing claw 30 appears melting the tin balling-up easily, just needs in time to press claw 30 to handle, through the cooperation between this L shape round pin 40 and the clamp plate 20, can be convenient will press claw 30 to dismantle and in time more renew the use of pressing claw 30 on by clamp plate 20, do not influence anchor clamps 100's normal course of working, can guarantee laser welding's quality effectively and promote laser welding's efficiency.

Further, as shown in fig. 4, in the laser welding fixture 100 provided by the present invention, the L-shaped pin 40 for hinging the pressing claw 30 to the pressing plate 20 includes a first positioning pin 41 and a second positioning pin 42 which are perpendicular to each other, and the first positioning pin 41 is inserted between the pressing plate 20 and the pressing claw 30. The L-shaped pin 40 is formed by bending 304 steel, so that the L-shaped pin 40 has a first positioning pin 41 and a second positioning pin 42 which are arranged perpendicular to each other, wherein the first positioning pin 41 is arranged between the pressure plate 20 and the pressure claw 30 in parallel to the top surface of the pressure plate 20, and the pressure plate 20 and the pressure claw 30 are hinged into a whole through the first positioning pin 41. The second positioning pin 42 is provided mainly for fixing the first positioning pin 41 to the platen 20 and facilitating the attachment and detachment of the first positioning pin 41.

Specifically, as shown in fig. 1, the pressing plate 20 has a first mounting hole 23 perpendicular to the first receiving groove 22 and through which the first positioning pin 41 is inserted. Correspondingly, a second mounting hole (not shown) communicating with the first mounting hole 23 is also formed at one end of the pressing claw 30 inserted into the first receiving groove 22, and the first positioning pin 41 is inserted into the first mounting hole 23 and the second mounting hole to realize the hinge joint of the pressing plate 20 and the pressing claw 30. And a second receiving groove 24 is formed on the side edge of the pressure plate 20 and extends from the top surface of the pressure plate 20 to the first mounting hole 23 for the second positioning pin 42 to be inserted. The second receiving groove 24 is disposed on a side surface of the pressing plate 20 and is used for fixing a second positioning pin 42, and after the first positioning pin 41 of the L-shaped pin 40 is inserted into the pressing plate 20, the second positioning pin 42 is inserted into the second receiving groove 24 to fix the entire L-shaped pin 40, thereby preventing the first positioning pin 41 from being loosened from the first mounting hole 23 due to the rotation of the pressing claw 30.

Further, as shown in fig. 2 and 4, the diameter D1 of the second positioning pin 42 is greater than the width L1 of the second receiving groove 24, and the length H1 of the second positioning pin 42 is greater than the depth L2 of the second receiving groove 24. The diameter D1 of the second positioning pin 42 is greater than the width L1 of the second receiving pin 24, so that the second positioning pin 42 of the L-shaped pin 40 can be elastically fixed when being embedded in the second receiving groove 24, and the second positioning pin 42 is prevented from being released from the second receiving groove 24 when the fixture 100 is used for a long time. The length H1 of the second positioning pin 42 is greater than the depth L2 of the second receiving groove 24, so that when the second positioning pin 42 is fixed in the second receiving groove 24, the top surface of the second positioning pin 42 is higher than the top surface of the pressing plate 20, so that the second positioning pin 42 can slide out of the second receiving groove 24 through the protruding portion of the second positioning pin 42 during assembly and disassembly, the first positioning pin 41 can be pulled out of the first mounting hole 23, and the L-shaped pin 40 can be assembled and disassembled conveniently.

Further, as shown in fig. 1, the laser welding fixture 100 provided by the present invention further includes a first rotary bead 50 for pressing the pressing plate 20 onto the base 10 and a second rotary bead 60 for pressing the pressing claw 30 onto the base 10. The first rotary bead 50 and the second rotary bead 60 are both fixed on two side edges of the base 10, wherein the first rotary bead 50 is used for fixing one end of the pressing plate 20, which is not hinged to the base 10, on the base 10, and the second rotary bead 60 is used for fixing one end of the pressing claw 30, which is not hinged to the pressing plate 20, on the base 10. As shown in fig. 2, the first rotary bead 50 and the second rotary bead 60 are both in a pressing state, the pressing claw 30 and the pressing plate 20 are both in a fixed state, and the first rotary bead 50 and the second rotary bead 60 can only horizontally rotate 90 ° in a clockwise direction. After the first and second rotary

pressing strips

50 and 60 are rotated by 90 ° in the clockwise direction, the first and second rotary

pressing strips

50 and 60 are parallel to each other and to the pressing plate 20 and the pressing claw 30, so that the first rotary pressing strip 50 is not in contact with the pressing plate 20 and the second rotary pressing strip 60 is not in contact with the pressing claw 30, and at this time, the pressing plate 20 and the pressing claw 30 are both in an active state.

Specifically, as shown in fig. 1, a second installation groove 14 is provided on the base 10, in which the first rotary pressing bar 50 can be arranged, the first rotary pressing bar 50 includes a first rotary column 51 fixed in the first installation groove 11 and a first pressing sheet 52 capable of abutting against the top surface of the pressing plate 20, and the first rotary column 51 is fixed in the second installation groove 14 through a locking member. The bottom of the first rotary column 51 of the first rotary bead 50 is fixed in the second mounting groove 14 through a locking member, the locking member is a connecting member such as a screw or a rivet, and the locking member is fixed with the first rotary bead 50 above the base 10 by screwing or riveting upwards from the bottom of the base 10, so that the first rotary bead 50 can horizontally rotate around the vertical direction. The first pressing piece 52 vertically disposed on the first rotary pressing strip 50 is, as shown in fig. 1, in a state that the first pressing piece 52 abuts against the top surface of the pressing plate 20, and at this time, the first rotary pressing strip 50 fixes the pressing plate 20. When the first rotary pressing bar 50 rotates 90 °, the first pressing piece 52 is separated from the top surface of the pressing plate 20, and the first rotary pressing bar 50 is separated from the pressing plate 20 at this time.

Specifically, as shown in fig. 2, the side surface of the first rotating column 51 has a first rotating arc surface 511 capable of abutting against the inner wall 141 of the second installation groove 14 to rotate and a first limiting plane 512 capable of abutting against the inner wall 141 of the second installation groove 14 to limit the rotation. The first rotary arc surface 511 is disposed on one side of the second mounting groove 14 close to the jig groove 12, so that the first rotary post 51 can rotate in a clockwise direction. Meanwhile, the first limiting plane 512 is disposed on one side of the second mounting groove 14 far away from the jig groove 12, when the first rotary column 51 rotates clockwise, the first rotary arc 511 always abuts against the inner wall 141 of the second mounting groove 14 to rotate, and when the first limiting plane 512 is rotated, the first limiting plane 512 abuts against the plane of the inner wall 141 of the second mounting groove 14 in parallel, so that the rotation of the first rotary column 51 is limited, and the purpose of limiting the rotation of the first rotary pressing strip 50 is achieved by using the first limiting plane 512 and the inner wall 141 of the second mounting groove 14.

Further, on the opposite side of the base 10 from the first rotary bead 50, a second rotary bead 60 is further provided, and the principle of the second rotary bead 60 is identical to that of the first rotary bead 50. As shown in fig. 1, a third mounting groove 15 for the second rotary bead 60 to be disposed is disposed on the base 10, the second rotary bead 60 includes a second rotary column 61 fixed in the third mounting groove 15 and a second pressing sheet 62 capable of abutting against the top surface of the pressing claw 30, and the second rotary column 61 is fixed in the third mounting groove 15 through a locking member. The side surface of the second rotary post 61 has a second rotary arc surface 611 capable of abutting against the inner wall 151 of the third mounting groove 15 and a second limit plane 612 capable of abutting against the inner wall 151 of the third mounting groove 15 to limit the rotation. In the second rotary pressing strip 60, the second rotary arc surface 611 is disposed on one side of the third mounting groove 15 away from the jig groove 12, and the second limiting plane 612 is disposed on one side of the third mounting groove 15 close to the jig groove 12, so that the second rotary pressing strip 60 can rotate clockwise, and the purpose of limiting the rotation of the second rotary pressing strip 60 is achieved by the abutment of the second limiting plane 612 and the inner wall of the third mounting groove 15 away from one side of the jig groove 12.

The utility model provides a laser welding anchor clamps 100, will treat welded product 200 through clamp plate 20 and be fixed in on the base 10, recycle pressure claw 30 will treat welded product 200 and compress tightly on base 10, it is articulated through L shape round pin 40 between this pressure claw 30 and the clamp plate 20, can be connected with pressure claw 30 and base 10 effectively, can be very convenient again dismantle pressure claw 30, connection structure is simple between pressure claw 30 and the clamp plate 20, convenient dismantlement, no extra occupation space, can in time change pressure claw 30 when the phenomenon of the molten tin balling-up appears on pressure claw 30, the yields and the machining efficiency of laser welding are improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A laser welding fixture is characterized by comprising a base, a pressing plate and a pressing claw, wherein one end of the base is provided with a first mounting groove for the pressing plate to hinge, and the other end of the base is provided with a jig groove for placing a product to be welded; one end of the pressing plate is inserted into the first mounting groove and is hinged with the base through a rotating shaft, and the other end of the pressing plate is provided with a pressing strip for pressing the product in the jig groove; the pressing plate is provided with a first accommodating groove for the pressing claw to be embedded in at one side close to the jig groove, and one end of the pressing claw is embedded into the first accommodating groove and is hinged with the pressing plate through an L-shaped pin.

2. The laser welding jig of claim 1, wherein the L-shaped pin comprises a first positioning pin and a second positioning pin which are arranged perpendicular to each other, and the first positioning pin is inserted between the pressing plate and the pressing claw.

3. The laser welding jig of claim 2, wherein the pressure plate has a first mounting hole perpendicular to the first receiving groove, through which the first positioning pin is inserted.

4. The laser welding jig of claim 3, wherein the side edge of the pressing plate is further provided with a second receiving groove extending from the top surface of the pressing plate to the first mounting hole for receiving the second positioning pin.

5. The laser welding jig according to claim 4, wherein the diameter of the second positioning pin is larger than the width of the second receiving groove, and the length of the second positioning pin is larger than the depth of the second receiving groove.

6. A laser welding fixture as recited in any one of claims 1-5, further comprising a first rotary bead for pressing said pressing plate against said base and a second rotary bead for pressing said pressing claw against said base.

7. The laser welding jig of claim 6, wherein the base is provided with a second mounting groove for the first rotary pressing bar, the first rotary pressing bar comprises a first rotary column fixed in the first mounting groove and a first pressing plate capable of abutting against the top surface of the pressing plate, and the first rotary column is fixed in the second mounting groove by a locking member.

8. The laser welding jig of claim 7, wherein the side surface of the first rotary column has a first rotary arc surface which is rotatable in abutment with the inner wall of the second mounting groove and a first stopper plane which is rotatable in abutment with the inner wall of the second mounting groove.

9. The laser welding jig of claim 6, wherein a third mounting groove is formed in the base, the third mounting groove being configured to receive the second rotary pressing bar, the second rotary pressing bar includes a second rotary post fixed in the third mounting groove and a second pressing plate configured to abut against a top surface of the pressing claw, and the second rotary post is fixed in the third mounting groove by a locking member.

10. The laser welding jig of claim 9, wherein the side surface of the second rotary column has a second rotary arc surface which is rotatable in abutment with the inner wall of the third mounting groove and a second stopper plane which is rotatable in abutment with the inner wall of the third mounting groove.