CN112809300B

CN112809300B - Welding positioning device

Info

Publication number: CN112809300B
Application number: CN202110240985.5A
Authority: CN
Inventors: 李亚兵; 朱孟祥; 张�浩; 王淙湜; 蔡超锋
Original assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Current assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2022-07-19
Anticipated expiration: 2041-03-04
Also published as: CN112809300A

Abstract

The invention belongs to the technical field of part welding, and discloses a welding positioning device which comprises a base, a support piece, a first elastic piece, a second elastic piece, a cover plate and a sliding-simulating accessory, wherein a containing cavity is formed in the base, a mounting groove communicated with the containing cavity is formed in the top surface of the base, the support piece is movably arranged in the containing cavity, a through hole is formed in the support piece, one end of the first elastic piece abuts against the bottom wall of the containing cavity, the other end of the first elastic piece is movably arranged in the through hole in a penetrating way, the second elastic piece and the first elastic piece are in the same extending direction and are mutually spaced, one end of the second elastic piece abuts against the bottom wall of the containing cavity, the other end of the second elastic piece abuts against the support piece, the bottom surface of the cover plate comprises a pressing plane, a welding hole is formed in the pressing plane, a guide through hole is formed in the sliding-simulating accessory, the sliding-simulating accessory is arranged on one side, which is far away from the second elastic piece, the first to-be-welded piece is inserted into the guide through hole, the second part to be welded is movably sleeved on the first part to be welded, and the top surfaces of the second part and the first part to be welded can be aligned.

Description

Welding positioning device

Technical Field

The invention belongs to the technical field of part welding, and particularly relates to a welding positioning device.

Background

In the 3C electronics industry, it is often necessary to thread the rod into the sheet and weld it. The sheet-like second workpiece to be welded 100 as shown in fig. 1 needs to be sleeved on the two sleeve-like first workpieces to be welded 200 until the side surface of the second workpiece to be welded 100 is flush with the end surface of the first workpiece to be welded 200 as shown in fig. 2, and then the two workpieces are welded at the annular seam. The welded assembly needs to be assembled with another fitting, that is, the slide fitting 300 in fig. 3 is fitted over the two first members to be welded 200, ensuring that the slide fitting 300 slides smoothly along the first members to be welded 200.

In actual operation, the side of the second part to be welded 100 and the end face of the first part to be welded 200 are difficult to reach the same level, which not only fails to meet the requirement for the same level, but also affects the parallelism between the two first parts to be welded 200 due to the non-same level, so that the sliding fitting 300 cannot slide smoothly along the first part to be welded 200.

Therefore, a welding positioning device is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a welding positioning device which can realize the parallel and level of the side surface of a second part to be welded and the end surface of a first part to be welded, can finish the welding of the side surface of the second part to be welded and the end surface of the first part to be welded, is simple and quick in alignment operation, and can improve the welding efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a weld positioning device comprising:

the top surface of the base is provided with an installation groove communicated with the accommodating cavity;

the supporting piece is movably arranged in the accommodating cavity and is provided with a through hole;

one end of the first elastic piece is abutted against the bottom wall of the accommodating cavity, and the other end of the first elastic piece is movably arranged in the through hole in a penetrating way;

the second elastic piece and the first elastic piece extend in the same direction and are arranged at intervals, one end of the second elastic piece is abutted against the bottom wall of the accommodating cavity, and the other end of the second elastic piece is abutted against the supporting piece;

the bottom surface of the cover plate comprises a pressing plane, the pressing plane is provided with a welding hole, the cover plate is covered on the top surface of the base, and the welding hole is over against the notch of the mounting groove;

the imitation sliding accessory is provided with a guide through hole, the imitation sliding accessory is arranged on one side, deviating from the second elastic part, of the supporting part, the first part to be welded is inserted into the guide through hole and clamped between the first elastic part and the pressing plane, the second part to be welded is movably sleeved on the first part to be welded and clamped between the imitation sliding accessory and the pressing plane, and therefore the top surface of the second part to be welded is flush with the top surface of the first part to be welded.

Preferably, the first elastic member is provided with a plurality of first elastic members, the plurality of first elastic members correspond to the plurality of first members to be welded one to one, the support member is provided with a plurality of through holes, and the plurality of through holes correspond to the plurality of first elastic members one to one.

Preferably, the sliding-simulated fitting is provided with a plurality of guide through holes, the guide through holes are opposite to the through holes one by one, and the parallelism between any two guide through holes is smaller than 0.05 mm.

Preferably, the anti-skid device further comprises a heat insulation gasket, a plurality of jacks are formed in the heat insulation gasket, the jacks are opposite to the guide through holes one by one, and the heat insulation gasket is clamped between the anti-skid fittings and the second to-be-welded parts.

Preferably, the device further comprises a guide pin, two ends of the guide pin are respectively connected to the bottom wall and the top wall of the accommodating cavity, and the supporting piece and the second elastic piece are movably sleeved on the guide pin.

Preferably, the press device further comprises a cap, the cap is sleeved on the first elastic piece, the closed end of the cap movably penetrates through the through hole, and the first to-be-welded piece is clamped between the cap and the press plane.

Preferably, the base comprises a base body and a bottom plate, wherein a containing groove is formed in the bottom surface of the base body, the bottom plate is fixedly covered on a notch of the containing groove to form the containing cavity, and the first elastic piece and the second elastic piece are abutted to the bottom plate.

Preferably, the welding holes are formed by a plurality of fan-shaped holes distributed around the center circumference, a shielding part is arranged between every two adjacent fan-shaped holes, the cover plates are arranged in a plurality of numbers, one cover plate is arranged on the base in a covering mode, and the shielding parts on the welding holes, which are right opposite to the cover plates, are arranged in a staggered mode.

Preferably, one of the base and the cover plate is provided with a plurality of positioning columns, the other is provided with a plurality of positioning holes, and when the cover plate is covered on the base, the positioning columns are correspondingly inserted into the positioning holes one by one.

Preferably, the support member comprises a body and a protrusion arranged on the body, the through hole is formed in the body, and the protrusion abuts against the sliding-simulated fitting.

The invention has the beneficial effects that:

the invention provides a welding positioning device, wherein a first part to be welded penetrates a guide through hole through a mounting groove and abuts against a first elastic part, a second part to be welded is sleeved on the first part to be welded and abuts against a sliding-imitating accessory, a cover plate covers a base, the first part to be welded and the second part to be welded move independently due to the mutual independence of the first elastic part and the second elastic part, so that the end surface of the first part to be welded and the side surface of the second part to be welded are both abutted against a pressing plane of the cover plate, the alignment of the end surface of the first part to be welded and the side surface of the second part to be welded is realized, and then a gap between the second part to be welded and the first part to be welded is welded through a welding hole in the cover plate. Therefore, the welding positioning device provided by the invention can realize the alignment between the side surface of the second part to be welded and the end surface of the first part to be welded, the welding of the side surface of the second part to be welded and the end surface of the first part to be welded is completed, the alignment operation is simple and quick, and the welding efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a first to-be-welded member and a second to-be-welded member in the related art;

fig. 2 is a schematic structural view of the first to-be-welded part and the second to-be-welded part being aligned;

fig. 3 is a schematic structural view of the assembly with the slide fitting after the first member to be welded and the second member to be welded are welded;

FIG. 4 is a schematic structural diagram of a welding positioning apparatus provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a weld positioning device provided by an embodiment of the present invention;

FIG. 6 is a first schematic view of a part of a welding positioning device provided by an embodiment of the present invention;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of a part of a welding positioning device according to an embodiment of the present invention;

FIG. 9 is an exploded view of FIG. 8;

FIG. 10 is a schematic structural diagram of a substrate provided by an embodiment of the present invention;

FIG. 11 is a front view of a cover plate provided by an embodiment of the present invention;

fig. 12 is a front view of another cover plate provided by an embodiment of the present invention.

In the figure:

100. a second part to be welded; 200. a first part to be welded; 300. a slide fitting;

1. a base; 2. a support member; 3. a first elastic member; 4. a second elastic member; 5. a cover plate; 6. a simulated slip fitting; 7. a heat insulating spacer; 8. a guide pin; 9. a cap;

11. an accommodating cavity; 12. mounting grooves; 13. a base; 14. a base plate; 15. a positioning column; 16. a magnet; 21. perforating; 22. a body; 23. a protrusion; 51. pressing a plane; 52. welding the hole; 53. positioning holes; 54. a shielding portion; 61. a guide through hole; 71. a jack;

131. a containing groove; 521. and (4) fan-shaped holes.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly, e.g., as meaning both connected and disconnectable, mechanically and electrically, directly or indirectly via intermediate media, whether internal or external to the elements, or in any other relationship between the elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the 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 being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 4 to 12, the present embodiment provides a welding positioning device, which includes a base 1, a supporting member 2, a first elastic member 3, a second elastic member 4, a cover plate 5 and a sliding-simulated fitting member 6, wherein the base 1 has an accommodating cavity 11 therein, and the top surface of the base 1 has an installation groove 12 communicated with the accommodating cavity 11; the supporting piece 2 is movably arranged in the accommodating cavity 11, and a through hole 21 is formed in the supporting piece 2; one end of the first elastic element 3 is abutted against the bottom wall of the accommodating cavity 11, and the other end is movably arranged in the through hole 21 in a penetrating way; the extending directions of the second elastic element 4 and the first elastic element 3 are the same, and the second elastic element 4 and the first elastic element are arranged at intervals, one end of the second elastic element 4 is abutted against the bottom wall of the accommodating cavity 11, and the other end of the second elastic element 4 is abutted against the supporting element 2; the bottom surface of the cover plate 5 comprises a pressing plane 51, a welding hole 52 is formed in the pressing plane 51, the cover plate 5 is covered on the top surface of the base 1, and the welding hole 52 is opposite to the notch of the mounting groove 12; the sliding-simulating fitting 6 is provided with a guide through hole 61, the sliding-simulating fitting 6 is arranged on one side of the support 2 departing from the second elastic part 4, the first to-be-welded part 200 is inserted into the guide through hole 61 and clamped between the first elastic part 3 and the pressing plane 51, and the second to-be-welded part 100 is movably sleeved on the first to-be-welded part 200 and clamped between the sliding-simulating fitting 6 and the pressing plane 51, so that the top surface of the second to-be-welded part 100 is flush with the top surface of the first to-be-welded part 200. In the present embodiment, the first elastic member 3 and the second elastic member 4 are both springs.

In the welding positioning device provided by the embodiment, the first to-be-welded part 200 penetrates into the guide through hole 61 through the mounting groove 12 and abuts against the first elastic part 3, the second to-be-welded part 100 is sleeved on the first to-be-welded part 200 and abuts against the imitated sliding fitting part 6, the cover plate 5 is covered on the base 1, the support part 2, the first elastic part 3 and the second elastic part 4 form a flexible clamping assembly, and the support part 2 and the first elastic part 3 move independently from each other, so that the first to-be-welded part 200 and the second to-be-welded part 100 are positioned independently, therefore, the top surface of the first to-be-welded part 200 and the top surface of the second to-be-welded part 100 are positioned on the pressing plane 51 of the cover plate 5, and are positioned in the same plane; the welding hole 52 on the cover plate 5 is used for welding the gap between the second part to be welded 100 and the first part to be welded 200, so that the top surfaces of the first part to be welded 200 and the second part to be welded 100 are aligned and welded, and the product design goal is realized. This welding position device's structure is exquisite, and the function is comprehensive. The requirements of positioning, assembling and welding processes of the cylindrical end surface and the plane of the shim are met, the flow between the work stations is facilitated, the production efficiency can be effectively improved, the capacity is increased, and the production cost is reduced.

Specifically, the first elastic elements 3 are provided in plural, the plural first elastic elements 3 correspond to the plural first members to be welded 200 one by one, the supporting member 2 is provided with plural through holes 21, and the plural through holes 21 correspond to the plural first elastic elements 3 one by one. This arrangement enables the second member to be welded 100 and the plurality of first members to be welded 200 to be aligned and welded at the same time. In the present embodiment, the first elastic member 3 and the through hole 21 are provided in two, and the alignment and welding of the second member to be welded 100 and the two first members to be welded 200 as in fig. 2 are achieved. The first elastic member 3 and the second elastic member 4 are both springs.

More specifically, the sliding-simulated fitting 6 is provided with a plurality of guide through holes 61, the guide through holes 61 are opposite to the through holes 21 one by one, and the parallelism between any two guide through holes 61 is less than 0.05 mm. This arrangement can ensure parallelism among the plurality of first members to be welded 200, so that the slide fitting 300 can smoothly slide along the first members to be welded 200.

The welding positioning device provided by the embodiment further comprises a heat insulation gasket 7, a plurality of insertion holes 71 are formed in the heat insulation gasket 7, the insertion holes 71 are opposite to the guide through holes 61 one by one, and the heat insulation gasket 7 is clamped between the sliding-simulated fitting part 6 and the second to-be-welded part 100. The heat insulation gasket 7 is made of FR4 material, and FR4 material is an epoxy resin carbon fiber heat insulation material, and is used for preventing the second member to be welded 100 from being fused and bonded on the lower non-slip fitting 6 under high temperature environment in the laser welding process. In the present embodiment, the insertion hole 71 penetrates the heat insulating spacer 7 from one side to form an opening through which the heat insulating spacer 7 is fitted over the second member to be welded 100 from the side to penetrate between the slip-like fitting 6 and the second member to be welded 100.

The welding position device that this embodiment provided still includes uide pin 8, and the diapire and the roof in holding chamber 11 are connected respectively to the both ends of uide pin 8, and uide pin 8 is located to support piece 2 and the equal movable sleeve of second elastic component 4. The guide pin 8 plays a role in guiding the extension and retraction of the second elastic part 4 and the movement of the support part 2, and the accuracy of the position movement of the second part to be welded 100 and the first part to be welded 200 is ensured.

The welding positioning device provided by the embodiment further includes a cap 9, the cap 9 is sleeved on the first elastic member 3, the closed end of the cap 9 is movably inserted into the through hole 21, and the first to-be-welded member 200 is clamped between the cap 9 and the pressing plane 51. The cap 9 plays a guiding role in the expansion of the first elastic piece 3, the first elastic piece 3 is prevented from being inclined, the closed end of the cap 9 abuts against the first piece to be welded 200, and the stability of the abutting of the first piece and the second piece is improved.

As shown in fig. 4, one of the base 1 and the cover plate 5 is provided with a plurality of positioning posts 15, the other is provided with a plurality of positioning holes 53, and when the cover plate 5 is covered on the base 1, the plurality of positioning posts 15 are correspondingly inserted into the plurality of positioning holes 53. In this embodiment, the positioning posts 15 are disposed on the base 1, the positioning holes 53 are opened on the cover plate 5, and the positioning posts 15 and the positioning holes 53 achieve accurate alignment between the base 1 and the cover plate 5. Two positioning columns 15 and two positioning holes 53 are arranged.

As shown in fig. 5, 8 and 9, the supporting member 2 includes a body 22 and a protrusion 23 disposed on the body 22, the through hole 21 is opened on the body 22, and the protrusion 23 abuts against the sliding-simulated fitting 6. The protrusion 23 allows the through hole 21 to have a distance from the sliding-simulating fitting 6, and the distance provides a movable range for the cap 9, so that the sliding-simulating fitting 6 is prevented from pressing on the cap 9 when moving, and the movement of the first part to be welded 200 is prevented from being influenced.

Specifically, the base 1 is provided with a magnet 16, and the magnet 16 can attract the lid 5. The stability that apron 5 and base 1 lid closed has been improved, shifts when avoiding receiving external force to disturb to subsequent welding operation.

As shown in fig. 5 and 10, the base 1 includes a base 13 and a bottom plate 14, wherein the bottom surface of the base 13 is provided with a receiving groove 131, the bottom plate 14 is fixedly covered on a notch of the receiving groove 131 to form a receiving cavity 11, and both the first elastic element 3 and the second elastic element 4 are abutted against the bottom plate 14. The installation and the disassembly of all parts in the accommodating cavity 11 are convenient by taking down the bottom plate 14. In this embodiment, base 1 is provided with two holding chambeies 11 and two mounting grooves 12 that correspond with holding chamber 11 respectively, can realize two sets of alignments and the welding of waiting to weld the work piece simultaneously.

As shown in fig. 4, 11, and 12, the welding hole 52 is formed by distributing a plurality of fan-shaped holes 521 around the center circumference, a shielding portion 54 is provided between every two adjacent fan-shaped holes 521, a plurality of cover plates 5 are provided, one of the cover plates 5 is covered on the base 1, and the shielding portions 54 on the welding holes 52 facing any two cover plates 5 are arranged in a staggered manner. The whole annular gap between the second part to be welded 100 and the first part to be welded 200 can be completely welded by replacing the cover plate 5, and the welding firmness is ensured. In this embodiment, two cover plates 5 are provided, the welding holes 52 of the cover plates 5 are formed by three fan-shaped holes 521 distributed around the central circumference, the fan-shaped holes 521 of the two cover plates 5 are distributed in a better staggered manner, the design ingeniously realizes the welding of the whole annular gap, the maximum welding stress is ensured, the product requirements are met, and the product design target is realized.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A weld positioning device, comprising:

the device comprises a base (1), a mounting groove (12) and a clamping piece, wherein a containing cavity (11) is formed in the base (1), and the top surface of the base (1) is provided with the mounting groove (12) communicated with the containing cavity (11);

the supporting piece (2) is movably arranged in the accommodating cavity (11), and a through hole (21) is formed in the supporting piece (2);

one end of the first elastic piece (3) is abutted against the bottom wall of the accommodating cavity (11), and the other end of the first elastic piece is movably arranged in the through hole (21) in a penetrating way;

the second elastic piece (4) is the same as the first elastic piece (3) in the extending direction and is arranged at intervals, one end of the second elastic piece (4) is abutted against the bottom wall of the accommodating cavity (11), and the other end of the second elastic piece (4) is abutted against the supporting piece (2);

the bottom surface of the cover plate (5) comprises a pressing plane (51), a welding hole (52) is formed in the pressing plane (51), the cover plate (5) is arranged on the top surface of the base (1) in a covering mode, and the welding hole (52) is opposite to a notch of the mounting groove (12);

the sliding simulating part (6) is provided with a guide through hole (61), the sliding simulating part (6) is arranged on one side, deviating from the second elastic part (4), of the supporting part (2), the first part to be welded (200) is inserted into the guide through hole (61) and clamped between the first elastic part (3) and the pressing plane (51), and the second part to be welded (100) is movably sleeved on the first part to be welded (200) and clamped between the sliding simulating part (6) and the pressing plane (51), so that the top surface of the second part to be welded (100) is flush with the top surface of the first part to be welded (200).

2. The welding positioning device according to claim 1, characterized in that a plurality of first elastic members (3) are provided, the plurality of first elastic members (3) correspond to the plurality of first members to be welded (200) one by one, the supporting member (2) is provided with a plurality of through holes (21), and the plurality of through holes (21) correspond to the plurality of first elastic members (3) one by one.

3. The welding positioning device according to claim 2, wherein a plurality of guide through holes (61) are formed in the sliding-imitating fitting (6), the guide through holes (61) are opposite to the through holes (21) one by one, and the parallelism between any two guide through holes (61) is smaller than 0.05 mm.

4. The welding positioning device according to claim 3, further comprising a heat insulating gasket (7), wherein a plurality of insertion holes (71) are formed in the heat insulating gasket (7), the insertion holes (71) are opposite to the guide through holes (61), and the heat insulating gasket (7) is clamped between the sliding-simulated fitting (6) and the second member to be welded (100).

5. The welding positioning device according to claim 1, characterized by further comprising a guide pin (8), wherein two ends of the guide pin (8) are respectively connected to the bottom wall and the top wall of the accommodating cavity (11), and the support member (2) and the second elastic member (4) are movably sleeved on the guide pin (8).

6. The welding positioning device according to claim 1, further comprising a cap (9), wherein the cap (9) is sleeved on the first elastic member (3), the closed end of the cap (9) is movably inserted into the through hole (21), and the first member to be welded (200) is clamped between the cap (9) and the pressing plane (51).

7. The welding positioning device according to any one of claims 1-6, characterized in that the base (1) comprises a base body (13) and a bottom plate (14), wherein a containing groove (131) is formed in the bottom surface of the base body (13), the bottom plate (14) is fixedly covered on a notch of the containing groove (131) to form the containing cavity (11), and the first elastic member (3) and the second elastic member (4) are abutted to the bottom plate (14).

8. The welding positioning device according to any one of claims 1 to 6, characterized in that the welding holes (52) are formed by distributing a plurality of fan-shaped holes (521) around a central circumference, a shielding part (54) is arranged between every two adjacent fan-shaped holes (521), a plurality of cover plates (5) are arranged, one cover of the cover plates (5) is arranged on the base (1), and the shielding parts (54) on the welding holes (52) opposite to any two cover plates (5) are arranged in a staggered manner.

9. The welding positioning device according to any one of claims 1-6, characterized in that one of the base (1) and the cover plate (5) is provided with a plurality of positioning posts (15), and the other is provided with a plurality of positioning holes (53), when the cover plate (5) is covered on the base (1), the positioning posts (15) are correspondingly inserted into the positioning holes (53).

10. Welding positioning device according to any of claims 1-6, characterized in that the support (2) comprises a body (22) and a protrusion (23) arranged on the body (22), the perforation (21) opening into the body (22), the protrusion (23) abutting against the dummy slide fitting (6).