CN108621049B

CN108621049B - Workpiece clamping device

Info

Publication number: CN108621049B
Application number: CN201711362339.6A
Authority: CN
Inventors: 钟仁志; 姚柏宇
Original assignee: All Ring Tech Co Ltd
Current assignee: All Ring Tech Co Ltd
Priority date: 2017-03-17
Filing date: 2017-12-18
Publication date: 2020-07-17
Anticipated expiration: 2037-12-18
Also published as: CN108621049A; TW201834781A; TWI635926B

Abstract

The present invention provides a workpiece holding device, comprising: a collet having a plurality of mounting claws formed at an upper end thereof; the jacking mechanism is arranged in the collet chuck; the clamping pieces are arranged on the corresponding mounting claws and used for clamping workpieces; a clamping sleeve which is pivoted on the collet chuck and used for bundling the mounting claw; the workpiece clamping device is arranged on a base station, and the base station is provided with a pipe seat for a rotating mechanism to pass through and rotate relative to the pipe seat; one end of the collet is connected with the rotating mechanism, and the other end of the collet is convexly arranged outside the rotating mechanism so that the clamping piece can be detachably arranged on the mounting claw; the jacking mechanism is provided with a jacking seat and a jacking piece, one end of the jacking seat is connected with the rotating mechanism, and the other end of the jacking seat is convexly arranged outside the rotating mechanism for detachably installing one end of the jacking piece; an embedding region for clamping the workpiece is formed between the other end of the supporting piece and the clamping piece.

Description

Workpiece clamping device

Technical Field

The present invention relates to a clamping device, and more particularly, to a workpiece clamping device capable of replacing a clamping portion to clamp sheet-like workpieces of different sizes.

Background

With the increasing development of science and technology, electronic products such as tablet computers, smart phones … and the like are required to be lighter and thinner in size for convenient carrying and use while pursuing function improvement, so that the demand of micro chips arranged in the electronic products is increasing; as shown in fig. 1, the microchip may be an NR series sheet-like power inductor assembly W having side plates W1, W2 disposed at upper and lower sides at an appropriate interval, and a shaft portion W3 connecting the side plates W1, W2 between the side plates W1, W2, and the power inductor assembly W must perform a winding process on the shaft portion W3 of the side plates W1, W2, and perform a process of applying glue between the side plates W1, W2 to wind the wire to fix the coil after the winding process is completed, so that it is a necessary processing operation to hold the periphery of the shaft portion W2 of one side plate W2 of the rectangular power inductor assembly W by using four jaws of a holding device, and then provide a copper wire to wind the shaft portion W3 between the side plates W1, W2, or provide a glue to coat the shaft portion W3 between the side plates W1, W2.

Disclosure of Invention

However, in the conventional clamping device, since the inductance assembly is made of metal, after the clamping jaw of the clamping device is used for a period of time, the situation that the clamping device cannot clamp the inductance assembly reliably due to the fact that the clamping surface of the clamping jaw, which is in contact with the periphery of the side plate, is easy to generate due to abrasion, and a new clamping jaw needs to be replaced; the inductor components have different sizes due to different specifications, when the inductor components with different specifications are processed, the whole set of clamping jaws need to be replaced to meet the corresponding specifications, and a plurality of sets of clamping jaws need to be prepared for subsequent replacement, so that the purchase cost of the plurality of sets of clamping jaws is spent, and the time cost for disassembling and assembling the clamping jaws is also spent.

Accordingly, it is an object of the present invention to provide a workpiece clamping device that can reduce the cost of jaw replacement.

A workpiece holding apparatus according to an object of the present invention comprises: a collet having a plurality of mounting claws formed at an upper end thereof; the jacking mechanism is arranged in the collet chuck; the clamping pieces are arranged on the corresponding mounting claws and used for clamping workpieces; a clamping sleeve which is pivoted on the collet chuck and used for bundling the mounting claw; the workpiece clamping device is arranged on a base station, and the base station is provided with a pipe seat for a rotating mechanism to pass through and rotate relative to the pipe seat; one end of the collet is connected with the rotating mechanism, and the other end of the collet is convexly arranged outside the rotating mechanism so that the clamping piece can be detachably arranged on the mounting claw; the jacking mechanism is provided with a jacking seat and a jacking piece, one end of the jacking seat is connected with the rotating mechanism, and the other end of the jacking seat is convexly arranged outside the rotating mechanism for detachably installing one end of the jacking piece; an embedding region for clamping the workpiece is formed between the other end of the supporting piece and the clamping piece.

According to the workpiece clamping device provided by the embodiment of the invention, an operator only needs to replace the top support piece and the clamping piece, so that the width and the depth of the clamping interval can be changed to correspondingly clamp workpieces with different specifications, the clamping device is quick and convenient to assemble and disassemble, and the purchase cost can be reduced because the whole set of collet chuck and top support mechanism does not need to be replaced.

Drawings

FIG. 1 is a schematic illustration of a workpiece in an embodiment of the invention.

Fig. 2 is a perspective view of a workpiece holding device in an embodiment of the present invention.

FIG. 3 is a schematic view of the clamping member detachably mounted to the mounting claw according to the embodiment of the present invention.

Fig. 4 is a partial cross-sectional schematic view of a workpiece holding device in an embodiment of the invention.

Fig. 5 is a perspective view of a workpiece holding device in another embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of a workpiece holding apparatus according to another embodiment of the present invention.

[ notation ] to show

A workpiece clamping device A1 collet chuck

A11 mounting claw A111 spacing part

A112 mounting area A2 pedestal

A31 top supporting seat of A3 top supporting mechanism

A32 top support piece A321 top support part

A4 Clamp A41 Mount

A42 clamp part A43 fastener

A5 clamping sleeve with A44 clamping interval

A51 pressing part A52 elastic component

A61 seat body of A6 rotary mechanism

A62 positioning element A63 adjustment element

A7 stem A71 through hole

A711 first shoulder a712 second shoulder

A72 first bearing A73 second bearing

A74 spacer A8 swivel

B base station C clamping opening mechanism

W workpiece W1 side plate

W2 side plate W3 axle part

A 'workpiece clamping device A1' collet chuck

A3 'top support mechanism A31' top support seat

A32 'top stay A4' clamp

A5 'Jacket A52' elastomeric Assembly

B' base station

Detailed Description

Referring to fig. 2, 3 and 4, a workpiece clamping device a according to an embodiment of the present invention is disposed on a base B, and the workpiece clamping device a can be described as the device shown in the figure, and includes:

a collet chuck A1, the lower end of which is arranged in a seat body A2, the upper end of which forms four mounting claws A11 with conical surfaces on the outer side to match a rectangular workpiece W, each mounting claw A11 is convexly provided with three limiting parts A111 which are arranged in a reversed U shape, a mounting area A112 is formed between the limiting parts A111 of the same mounting claw A11, and the reversed U-shaped gaps of the mounting areas A112 are opposite to each other;

a top bracing mechanism A3, arranged in the collet chuck A1, the top bracing mechanism A3 is provided with a top bracing seat A31 and a top bracing piece A32, the top bracing seat A31 is arranged in the seat body A2, the top bracing piece A32 is detachably arranged on the top bracing seat A31 and is positioned at a certain height, and the upper end of the top bracing piece A32 is convexly provided with a top bracing part A321;

a plurality of clamping pieces A4 detachably mounted on the corresponding mounting claws A11 for clamping a workpiece W, wherein the clamping pieces A4 are made of hard alloy materials, each clamping piece A4 is provided with a mounting part A41 and a clamping part A42, the mounting part A41 is fixed in the mounting area A112 by a fixing piece A43 made of a screw, the clamping part A42 extends upwards and obliquely from the mounting part A41 to the outside of the mounting area A112 towards the central direction of the collet chuck A1, the obliquely extending height of the clamping part A42 is slightly higher than that of the supporting part A321, so that a clamping area A44 for clamping the workpiece W is formed between the supporting part A321 of the supporting piece A32 at the upper end of the supporting mechanism A3 and the clamping part A42 of the clamping piece A4;

a jacket A5, which is pivoted on the upper end of the collet A1, the cone surface outside the mounting claw A11 is bundled, the lower end of the jacket A5 is provided with a pressing part A51 protruding to the periphery, and an elastic component A52 formed by a spring is pivoted between the jacket A5 and the seat body A2.

In the implementation of the workpiece clamping device a of the embodiment of the invention, the clamping sleeve a5 is operated by the clamping opening mechanism C to move up and down to abut against the conical surface, so that the mounting claws a11 at the upper end of the collet chuck a1 are contracted or released, and the clamping piece a4 is linked to perform clamping operation on the workpiece W in the clamping interval a44, wherein a plurality of workpiece clamping devices a which are arranged linearly at equal intervals can be arranged on the base station B; in performing a processing operation such as winding or gluing of a work W, the work holding apparatus a clamps one of the side plates W2 (fig. 1) of the work W, and a copper wire, which is discharged by a wire needle (not shown) by being wound around the work W with the work W stationary, can be wound around a shaft portion W3 (fig. 1) of the work W; when a workpiece W of different specifications is processed, an operator may replace the top support member a32 and the plurality of clamping members a4 corresponding to the specification of the workpiece W, so as to generate different widths and depths of the clamping section a 44.

According to the workpiece clamping device A disclosed by the embodiment of the invention, an operator only needs to replace the top support piece A32 and the clamping piece A4, so that the width and the depth of the clamping section A44 can be changed to correspondingly clamp workpieces with different specifications, the clamping device is quick and convenient to disassemble and assemble, and the purchase cost can be reduced because the whole set of the collet chuck A1 and the top support mechanism A3 do not need to be replaced.

Referring to fig. 5 and 6, a workpiece clamping device a 'according to another embodiment of the present invention further includes a rotating mechanism A6, a lower end of a collet a1' is disposed in a seat body a61 of the rotating mechanism A6 and is positioned by a positioning element a62, a top supporting seat a31 'of a top supporting mechanism A3' is disposed in the rotating mechanism A6, the top supporting member a32 'is detachably mounted on the top supporting seat a31' and is positioned at a certain height, and an elastic component a52 'is disposed between the collet a5' and the seat body a61 of the rotating mechanism A6; the rotating mechanism A6 passes through a through hole A71 of a tube seat A7, the tube seat A7 is arranged on a base B', the upper end and the lower end of the through hole A71 are respectively provided with a first shoulder A711 and a second shoulder A712 for respectively accommodating a first bearing A72 and a second bearing A73, the tube seat A7 is limited between a seat A61 at the upper end of the rotating mechanism A6 and an adjusting piece A63 formed by a nut locked into the lower end thread of the rotating mechanism A6, so that the first bearing A72 is pressed between the seat A61 and the first shoulder A711, the second bearing A73 is pressed between the second shoulder A712 and the adjusting piece A63, and a spacer A74 is arranged between the first bearing A72 and the second bearing A73 and is pressed at the inner sides of the first bearing A72 and the second bearing A73; the lower end of the rotating mechanism a6 is connected to a rotating base A8, the rotating base A8 can be driven by a belt (not shown) of a driving mechanism to rotate the rotating mechanism a6 relative to the tube base a7, so that the copper wire discharged by the wire needle (not shown) can be wound on the shaft portion W3 (fig. 1) of the workpiece W or the glue solution discharged by the glue needle (not shown) can be coated on the shaft portion W3 of the workpiece W under the condition that the workpiece W is clamped and rotated by the clamping piece a 4'.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are still within the scope of the present invention.

Claims

1. A workpiece holding device comprising:

a collet having a plurality of mounting claws formed at an upper end thereof;

the jacking mechanism is arranged in the collet chuck;

the clamping pieces are arranged on the corresponding mounting claws and used for clamping workpieces;

a clamping sleeve which is pivoted on the collet chuck and used for bundling the mounting claw;

the workpiece clamping device is arranged on a base station, and the base station is provided with a pipe seat for a rotating mechanism to pass through and rotate relative to the pipe seat; one end of the collet is connected with the rotating mechanism, and the other end of the collet is convexly arranged outside the rotating mechanism so that the clamping piece can be detachably arranged on the mounting claw; the jacking mechanism is provided with a jacking seat and a jacking piece, one end of the jacking seat is connected with the rotating mechanism, and the other end of the jacking seat is convexly arranged outside the rotating mechanism for detachably installing one end of the jacking piece; an embedding region for clamping the workpiece is formed between the other end of the supporting piece and the clamping piece.

2. The workpiece holder of claim 1, wherein the holder is constructed of cemented carbide.

3. The workpiece holding device as claimed in claim 1, wherein the outer side of the mounting claw has a tapered surface, and the collet is operated by a clamp opening mechanism to be displaced up and down against the tapered surface, so that the mounting claw is contracted or released, and the clamping member is interlocked to perform a clamping operation on the workpiece.

4. The workpiece holding device according to claim 1, wherein a plurality of limiting portions are convexly provided on the mounting claw, and a mounting area is formed between the limiting portions of the same mounting claw; the clamping piece is provided with an installation part and a clamping part, and the installation part is fixed in the installation area through a fixing piece.

5. The workpiece holding device as claimed in claim 4, wherein a top support part is protruded from the other end of the top support part.

6. The workpiece clamping device as claimed in claim 5, wherein the clamping portion extends obliquely upward from the mounting portion toward the center of the collet, and the height of the clamping portion is slightly higher than the height of the top portion, so that the clamping space is formed between the top portion and the clamping portion.

7. The workpiece holding device of claim 1, wherein the rotation mechanism passes through a through hole of the socket, and the through hole is provided at upper and lower ends thereof with a first shoulder and a second shoulder for receiving a first bearing and a second bearing, respectively.

8. The workpiece holding device of claim 7, wherein the rotation mechanism is coupled to a rotatable base for rotating the held workpiece therewith.

9. The workpiece holding apparatus of claim 7, wherein the socket is confined between a seat at an upper end of the rotary mechanism and an adjustment member that is locked into threads at a lower end of the rotary mechanism.

10. The workpiece holding device of claim 9, wherein the first bearing is compressed between the seat and the first shoulder and the second bearing is compressed between the second shoulder and the adjustment member.

11. The workpiece holding device as recited in claim 9, wherein a spacer is disposed between the first bearing and the second bearing and abuts against inner sides of the first bearing and the second bearing.