AU2020101028A4

AU2020101028A4 - Clamping jig for laser welding of spindles

Info

Publication number: AU2020101028A4
Application number: AU2020101028A
Authority: AU
Inventors: Jian Chen; Yong Wu; Yulan ZHANG
Original assignee: Kunshan Wispren Electronics Technology Co Ltd
Current assignee: Kunshan Wispren Electronics Technology Co Ltd
Priority date: 2020-01-08
Filing date: 2020-04-18
Publication date: 2020-07-23
Anticipated expiration: 2028-04-18
Also published as: WO2021139031A1; CN211465216U

Abstract

A b s t r a c t A clamping jig for laser welding of spindles comprises a base, a holder, a mounting block, and profiled positioning columns matched with the spindles, wherein the holder is mounted on the base, the mounting block is mounted on the holder and has a plurality of gaps, and the profiled positioning columns are located 5 in the gaps; each profiled positioning block has an end fixed on the mounting block, an end suspended, and a positioning step extending in an axial direction of the profiled positioning column; and after spindle cavities are circumferentially welded to first stop pieces, the spindles are inserted into the profiled positioning columns, and edges of second stop pieces are aligned with upper surfaces of the o positioning steps. The clamping jig is simple in structure; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and the edges of the second stop pieces are aligned with the upper surfaces of the positioning steps to position the second stop pieces in the spindle cavities, so that the spindles always cling to the 5 profiled positioning columns in the welding process, thus improving the welding quality and machining speed of the spindles.

Description

A b s t r a c t

A clamping jig for laser welding of spindles comprises a base, a holder, a mounting block, and profiled positioning columns matched with the spindles, wherein the holder is mounted on the base, the mounting block is mounted on the holder and has a plurality of gaps, and the profiled positioning columns are located in the gaps; each profiled positioning block has an end fixed on the mounting block, an end suspended, and a positioning step extending in an axial direction of the profiled positioning column; and after spindle cavities are circumferentially welded to first stop pieces, the spindles are inserted into the profiled positioning columns, and edges of second stop pieces are aligned with upper surfaces of the o positioning steps. The clamping jig is simple in structure; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and the edges of the second stop pieces are aligned with the upper surfaces of the positioning steps to position the second stop pieces in the spindle cavities, so that the spindles always cling to the profiled positioning columns in the welding process, thus improving the welding quality and machining speed of the spindles.

S p e cifica tio n

Clamping Jig for Laser Welding of Spindles

Technical Field

The utility model belongs to the technical field of welding jigs, and particularly relates to a clamping jig for laser welding of spindles.

Description of Related Art

Laptop spindles typically include a spindle cavity and a stop piece disposed on the inner wall of a spindle shell. In the trial production phase, the spindles of a required size and shape are machined from solid aluminum alloy by means of CNC machining; however, this approach has a long machining time, is low efficiency, o and causes material waste, thus being only suitable for production of a small batch of samples in the proofing phase.

In view of this, those skilled in the arts can attempt to machine the laptop spindles by welding aluminum-extruded spindles with stop pieces. To fulfill this purpose, a special clamping jig needs to be invented to position the spindle shell and the stop piece in the welding process.

Brief Summary of the Utility Model

The technical issue primarily to be settled by the utility model is to provide a clamping jig for laser welding of spindles. The clamping jig is simple in structure; after spindle cavities are circumferentially welded to first stop pieces, the spindles are inserted into profiled positioning columns, and the edges of second stop pieces are aligned with the upper surfaces of positioning steps, so that the second stop pieces are positioned in the spindle cavities, and the spindles always cling to the profiled positioning columns in the welding process, thus improving the welding quality and machining speed of the spindles. One technical solution adopted by the utility model to settle the above technical issue is as follows: The utility model provides a clamping jig for laser welding of spindles,

S p e cifica tio n

wherein each spindle comprises a hollow spindle cavity and a stop block welded to the spindle cavity, and the stop block comprises a first stop piece circumferentially welded to the inner wall of the spindle cavity and a second stop piece axially welded to the inner wall of the spindle cavity; and The clamping jig comprises a base, a holder, a mounting block, and profiled positioning columns matched with the spindles, wherein the holder is mounted on the base, the mounting block is mounted on the holder and has a plurality of gaps, and the profiled positioning columns are located in the gaps; each profiled positioning column has an end fixed on the mounting block, an end suspended, and o a positioning step extending in an axial direction of the profiled column; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and edges of the second stop pieces are aligned with upper surfaces of the positioning steps. Furthermore, limiting columns are arranged at the bottom of the base and are matched with positioning holes formed in a welding bench of a welding facility to position the clamping jig on the welding bench of the welding facility. Furthermore, the mounting block is fixedly connected to the holder through first bolts. Furthermore, the holder is fixedly connected to the base through second bolts. Furthermore, the clamping jig comprises two mounting blocks, and each mounting block is provided with two profiled positioning columns. Furthermore, each profiled positioning column has an end inlaid in the mounting block to be connected to the mounting block. Furthermore, four limiting columns are arranged on the base and are respectively located on four legs of the holder. The utility model has the following beneficial effects: The clamping jig of the utility model comprises a base, a holder, a mounting block and profiled positioning columns matched with the spindles, wherein one

S p e cifica tio n

end of each profiled positioning column is fixed on the mounting block, and the other end of each profiled positioning column is suspended; each profiled positioning column has a positioning step extending in an axial direction of the profiled positioning column; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and the edges of the second stop pieces are aligned with the upper surfaces of the positioning steps to position the second stop pieces in the spindle cavities, so that the spindles always cling to the profiled positioning columns in the welding process, thus improving the welding quality and machining o speed; In addition, the positioning steps are arranged, and the second stop pieces can be pressed to make the edges thereof aligned with the upper surfaces of the positioning steps, so that the inclination of the second stop pieces can be corrected after the first stop pieces are welded, thus guaranteeing the welding quality of the second stop pieces and the spindle cavities; and Moreover, the limiting columns are arranged at the bottom of the base and are matched with positioning holes formed in a welding bench of a welding facility to position the clamping jig on the welding bench of the welding facility, so that the clamping jig can be easily positioned and fixed on the welding bench.

The technical solutions of the utility model are summarized above, can be implemented in accordance with the contents in the specification to be better understood, and will be detailed hereinafter with reference to preferred embodiments of the utility model.

Brief Description of the Several Views of the Drawings

FIG. 1 is one external view of the utility model (from above);

FIG. 2 is another external view of the utility model (from below);

FIG. 3 is a structural view of a profiled positioning column of the utility

S p e cifica tio n

model (from one perspective);

FIG. 4 is an exploded view of a holder of the utility model (from another perspective);

FIG. 5 is a structural view of a spindle of the utility model; 10, spindle; 101, spindle cavity; 102, stop block; 1021, first stop piece; 1022, second stop piece; 20, base; 201, limiting column; 30, holder; 40, mounting block; 50, profiled positioning column; 501, positioning step; 60, first bolt; 70, second bolt.

Detailed Description of the Utility Model

The specific implementations of the utility model are explained below in conjunction with specific embodiments, and those skilled in the arts can easily appreciate the advantages and effects of the utility model by referring to the contents in the specification. The utility model can also be implemented in other different ways, that is, various modifications and transformations can be made without departing from the scope of the utility model. Embodiment: this embodiment provides a clamping jig for laser welding of spindles, wherein as shown in FIG. 1 to FIG. 5, each spindle 10 comprises a hollow spindle cavity 101 and a stop block 102 welded to the spindle cavity, and the stop block comprises a first stop piece 1021 circumferentially welded to the inner wall of the spindle cavity and a second stop piece 1022 axially welded to the inner wall of the spindle cavity; The clamping jig comprises a base 20, a holder 30, a mounting block 40, and profiled positioning columns 50 matched with the spindles, wherein the holder is mounted on the base, the mounting block is mounted on the holder and has a plurality of gaps, and the profiled positioning columns are located in the gaps; one end of each profiled positioning column is fixed on the mounting block, and the other end of each profiled positioning column is suspended; each profiled

S p e cifica tio n

positioning column has a positioning step 501 extending in an axial direction of the profiled positioning column; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and edges of the second stop pieces are aligned with upper surfaces of the positioning steps. Limiting columns 201 are arranged at the bottom of the base and are matched with positioning holes formed in a welding bench of a welding facility to position the clamping jig on the welding bench of the welding facility. In this way, the clamping jig can be easily positioned and fixed on the welding bench. The mounting block is fixedly connected to the holder through first bolts 60. Or, the mounting block is connected to the holder in other manners. The holder is fixedly connected to the base through second bolts 70. Or, the holder is connected to the base in other manners. In this embodiment, the clamping jig comprises two mounting blocks, and each mounting block is provided with two profiled positioning column. The utility model is not limited to this configuration. One end of each profiled positioning column is inlaid in the mounting block to be connected to the mounting block, and a sealant can be smeared on the joint of the profiled positioning column and the mounting block to improve the firmness of the profiled positioning column and the mounting block. In this embodiment, four limiting columns are arranged at the bottom of the base and are respectively located on four legs of the holder. The working principle and process of the utility model are as follows: After the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and then the second stop pieces are pressed to make the edges thereof aligned with the upper surfaces of the positioning steps, so that the second stop pieces are positioned in the spindle cavities, and the spindles always cling to the profiled positioning columns in the

S p e cifica tio n

welding process, thus improving the welding quality and machining speed of the spindles; That is, the positioning steps are arranged, and the second stop pieces are pressed to make the edges thereof aligned with the upper surfaces of the positioning steps, so that the inclination of the second stop pieces can be corrected after the first stop pieces are welded, thus guaranteeing the welding quality of the second stop pieces and the spindle cavities. The above description is only used to explain the embodiments of the utility model, and is not intended to limit the patent scope of the utility model. All o equivalent structures obtained with reference to the specification of the utility model, or direct or indirect applications to other relating technical fields should also fall within the patent protection scope of the utility model.

Claims

C 1 a i m s

1. A clamping jig for laser welding of spindles, characterized in that each spindle (10) comprises a hollow spindle cavity (101) and a stop block (102) welded to the spindle cavity, and the stop block comprises a first stop piece (1021) circumferentially welded to an inner wall of the spindle cavity and a second stop piece (1022) axially welded to the inner wall of the spindle cavity; and the clamping jig comprises a base (20), a holder (30), a mounting block, (40) and profiled positioning columns (50) matched with the spindles, wherein the holder is mounted on the base, the mounting block is mounted on the holder and has a plurality of gaps, and the profiled positioning columns are located in the gaps; o each said profiled positioning column has an end fixed on the mounting block, an end suspended, and a positioning step (501) extending in an axial direction of the profiled positioning column; and after the spindle cavities are circumferentially welded to the first stop pieces, the spindles are inserted into the profiled positioning columns, and edges of the second stop pieces are aligned with upper surfaces of the positioning steps.

2. The clamping jig for laser welding of spindles according to Claim 1, wherein limiting columns (201) are arranged at a bottom of the base and are matched with positioning holes formed in a welding bench of a welding facility to position the clamping jig on the welding bench of the welding facility.

3. The clamping jig for laser welding of spindles according to Claim 1, wherein the mounting block is fixedly connected to the holder through first bolts (60).

4. The clamping jig for laser welding of spindles according to Claim 1, wherein the holder is fixedly connected to the base through second bolts (70).

5. The clamping jig for laser welding of spindles according to Claim 1, wherein the clamping jig comprises two said mounting blocks, and each said mounting block is provided with two said profiled positioning columns.

6. The clamping jig for laser welding of spindles according to Claim 1,

C 1a i m s

wherein each said profiled positioning column has an end inlaid in the mounting block to be connected to the mounting block.

7. The clamping jig for laser welding of spindles according to Claim 2, wherein four said limiting columns are arranged at the bottom of the base and are respectively located at four legs of the holder.

D r a w i n g s A t t a c h e d t o t h e S p e c i f i c a t i o n 18 Apr 2020 2020101028

FIG. 1

1/3

FIG. 2

FIG. 3

2/3

FIG. 4

FIG. 5

3/3