CN110877212B

CN110877212B - Clamp for multi-clamp

Info

Publication number: CN110877212B
Application number: CN201911227219.4A
Authority: CN
Inventors: 张继东; 孟声龙; 王虎; 杨晨; 李心雨
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-27
Anticipated expiration: 2039-12-04
Also published as: CN110877212A

Abstract

The invention relates to the field of machining, and discloses a multi-clamping fixture which comprises a fixture base, clamping pieces, a connecting piece, a driving piece and a bottom supporting block, wherein the upper surface of the bottom supporting block is provided with a plurality of grooves; one end of the connecting piece is connected with the clamping piece, and the other end of the connecting piece is connected with the driving piece; the bottom of the driving piece is fixedly arranged on the clamp base, and the driving piece can drive the plurality of workpieces to be processed clamped by the clamping piece to reciprocate along the linear direction. This anchor clamps for multi-clamping can once a plurality of parts of clamping (treating the machined part) and fix a position accurately, and the dismouting realizes semi-automatization and has improved work efficiency and processingquality greatly, has reduced the production of substandard product, and easy operation convenient to use can realize mass production.

Description

Clamp for multi-clamp

Technical Field

The invention relates to a clamp for machining, in particular to a clamp for multi-clamping.

Background

Throughout the part processing industry, the use of clamps is indispensable. The traditional clamp can only be processed singly, and is inconvenient to disassemble and assemble, complex to operate and low in production efficiency. The clamp devices such as the patents CN208913655U searched by the consulting national patent bureau can not realize a plurality of clamping and automatic dismounting functions, and are only suitable for small-scale production and can not realize batch production.

The existing clamp patent cannot process a plurality of parts at one time in efficiency and cannot achieve the purpose of automatic clamping in function. And the mechanical structure is complicated, the operation is complex during the work, the mass production is not facilitated, and the absolute positioning and protection effects on parts cannot be guaranteed.

Disclosure of Invention

The invention aims at the problems that the existing clamp cannot process a plurality of parts at one time in efficiency and cannot achieve the purpose of automatic clamping in function. The multi-clamp special clamp is provided, and can realize multiple clamping at one time; the disassembly is automated; stably clamping the parts; the fixture has the advantages of strong operability, simple mechanism, low manufacturing cost and the like, and can improve the production efficiency, the machining precision and the qualification rate of workpieces.

In order to achieve the purpose, the invention provides a multi-clamping fixture, which comprises a fixture base, a clamping piece, a connecting piece, a driving piece and a bottom supporting block, wherein the upper surface of the bottom supporting block is provided with a plurality of grooves; one end of the connecting piece is connected with the clamping piece, and the other end of the connecting piece is connected with the driving piece; the bottom of the driving piece is fixedly arranged on the clamp base, and the driving piece can drive the plurality of workpieces to be processed clamped by the clamping piece to reciprocate along the linear direction.

Preferably, the holder is including setting up in the long slab of end supporting shoe one side, and long slab side detachably in proper order is provided with presses and holds piece and long slab briquetting, and a plurality ofly treats that the machined part can correspond and set up in a plurality of recesses of end supporting shoe to the upper end of respectively treating the machined part can be held the piece by pressing and fix, and both sides are fixed by long slab and long slab briquetting respectively.

Preferably, one side of the long plate opposite to the bottom supporting block is fixedly connected with the connecting piece.

Preferably, the pressing and holding block and the long plate pressing block are connected with the long plate through positioning pins.

Preferably, the driving part comprises a motor arranged on the clamp base, a plurality of meshed boss gears fixed on the shaft rod and arranged along the horizontal direction, and a moving gear of the motor is meshed with the boss gear at the end head; wherein, the one end that links to each other with the driving piece in the connecting piece is the rack, and the lower surface of rack can mesh mutually with the boss gear.

Preferably, the connecting piece further comprises a cross rod vertically connected with one end of the rack, and two ends of the cross rod are fixedly connected with the long plate through connecting plates.

Preferably, the motor is electrically connected with a travel switch, and the travel switch can control the motor rotating shaft to rotate back and forth.

Preferably, the side surface of the long plate is also provided with a plurality of positioning sleeves which are contacted with the workpiece to be processed.

Preferably, a plurality of positioning lug grooves are formed in two sides of the clamp base.

Preferably, the bottom support block is detachably connected with the clamp base through a screw.

Therefore, when the workpiece-to-be-machined tool is used, the workpiece-to-be-machined tool is sequentially placed in the groove of the bottom supporting block and clamped by the clamping part, the workpiece-to-be-machined tool is fixedly clamped, and after machining is finished, the driving part drives the connecting part to drive the plurality of workpiece-to-be-machined tools clamped by the clamping part to move forwards along the linear direction, so that the machined workpiece is far away from the bottom supporting block, and the workpiece is disassembled; when the next batch of workpieces is processed, the workpieces to be processed are preliminarily positioned through the clamping piece, the driving piece drives the connecting piece to drive the workpieces to be processed, which are clamped by the clamping piece, to move backwards along the linear direction, the workpieces to be processed are positioned in the groove of the bottom supporting block to be processed, and the like. The automatic part assembling and disassembling machine has the advantages that a plurality of parts (to-be-machined parts) are clamped at one time and positioned accurately, semi-automation is realized in assembling and disassembling, working efficiency and machining quality are greatly improved, defective products are reduced, operation is simple, use is convenient, and batch production can be realized.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of a multi-clamping fixture in a preferred embodiment of the invention;

FIG. 2 is a top view of a multi-clamping fixture in a preferred embodiment of the invention;

fig. 3 is a side view of a multi-clamping jig in a preferred embodiment of the present invention.

Description of the reference numerals

1 clamp base 2 to-be-machined part

3 bottom support block 4 long plate

5 pressing block and 6 long plate pressing block

7 motor 8 rack

9 shaft lever and 10 boss gear

11 crossbar 12 connecting plate

13 travel switch 14 position sleeve

15 positioning ear slot

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, the directional words "upper, lower, bottom, side" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.

As shown in fig. 1 to 3, the present invention provides a multi-clamping fixture, which includes a fixture base 1, a clamping member, a connecting member, a driving member, and a bottom supporting block 3 having a plurality of grooves on an upper surface thereof, wherein the bottom supporting block 3 is detachably disposed on the fixture base 1, and the clamping member can clamp a plurality of workpieces to be processed 2 in the corresponding plurality of grooves of the bottom supporting block 3; one end of the connecting piece is connected with the clamping piece, and the other end of the connecting piece is connected with the driving piece; the bottom of the driving piece is fixedly arranged on the clamp base 1, and the driving piece can drive the plurality of workpieces to be processed 2 clamped by the clamping piece to reciprocate along the linear direction. Thus, when the device is used, the workpieces 2 to be machined are sequentially placed in the grooves of the bottom supporting block 3 and clamped by the clamping pieces, so that the workpieces 2 to be machined are fixedly clamped, and after machining is finished, the driving piece drives the connecting piece to drive the workpieces 2 to be machined, which are clamped by the clamping pieces, to move forwards along the linear direction, so that the machined workpieces are far away from the bottom supporting block 3, and the workpieces are disassembled; when the next batch of workpieces is processed, the workpieces 2 to be processed are preliminarily positioned through the clamping piece, the driving piece drives the connecting piece to drive the workpieces 2 to be processed, which are clamped by the clamping piece, to move backwards along the linear direction, the workpieces 2 to be processed are positioned in the grooves of the bottom supporting block 3 to be processed, and the like. The multi-part automatic positioning fixture has the advantages that a plurality of parts (to-be-machined parts 2) are clamped at one time and positioned accurately, semi-automation is realized in dismounting, working efficiency and machining quality are greatly improved, defective products are reduced, operation is simple, use is convenient, and batch production can be realized.

In the above technical solution, the clamping member may be an existing clamping member, for example, a clamping member that is engaged up and down. In a preferred embodiment of the present invention, in order to facilitate the disassembly and assembly, and at the same time, to achieve accurate positioning, reduce the machining error, and improve the product yield, in a preferred embodiment of the present invention, the clamping member includes a long plate 4 disposed on one side of the bottom supporting block 3, a pressing block 5 and a long plate pressing block 6 are sequentially detachably disposed on a side surface of the long plate 4, a plurality of to-be-machined members 2 can be correspondingly disposed in a plurality of grooves of the bottom supporting block 3, an upper end of each to-be-machined member 2 can be fixed by the pressing block 5, and two sides are respectively fixed by the long plate 4 and the long plate pressing block 6.

In a preferred embodiment of the present invention, the side of the long plate 4 opposite to the bottom support block 3 is fixedly connected to the connecting member. Like this, after processing is accomplished, the connecting piece drives a plurality of machined parts of holder centre gripping and follows the linear direction motion back, and the machined part after the processing can be quick take off.

In a preferred embodiment of the present invention, the pressure holding block 5 and the long plate pressure block 6 are connected to the long plate 4 by the positioning pin 6.

In a preferred embodiment of the present invention, the driving member comprises a motor 7 disposed on the fixture base 1, a plurality of engaged boss gears 10 fixed on the shaft rod 9 and arranged along the horizontal direction, and a moving gear of the motor 7 is engaged with the boss gear 10 at the end; wherein, the one end that links to each other with the driving piece in the connecting piece is rack 8, and the lower surface of rack 8 can mesh with boss gear 10 mutually. Thus, the motor drives the boss gear 10 to rotate, and the boss gear 10 drives the rack 8 to move along a straight line, so that the connecting piece containing the rack 8 moves.

In a preferred embodiment of the present invention, the connecting member further comprises a cross bar 11 vertically connected to one end of the rack 8, and both ends of the cross bar 11 are fixedly connected to the long plate 4 through connecting plates 12. Like this for long board 4 motion is more steady, makes the dismouting more convenient, and the location is more accurate, improves the machining precision.

In a preferred embodiment of the present invention, the motor 7 is electrically connected to the travel switch 13, and the travel switch 13 can control the rotation shaft of the motor 7 to rotate back and forth. Thus, the disassembly and assembly positioning can be realized.

In a preferred embodiment of the invention, the long plate 4 is also provided on its side with a plurality of positioning sleeves 14 in contact with the pieces 2 to be machined. The workpiece can be initially positioned before being installed and positioned, and the positioning accuracy is improved.

In a preferred embodiment of the present invention, a plurality of positioning lug grooves 15 are provided on both sides of the jig base 1. To position the jig in the lathe.

In a preferred embodiment of the invention, the bottom support block 3 is detachably connected to the clamp base by means of screws.

In the above technical solution, the shape of the groove of the bottom support block 3 may be adjusted according to the shape of the workpiece, and the object of the present invention may be achieved as long as the degree of freedom of the workpiece is limited. In a preferred embodiment of the present invention, the groove is V-shaped, and a plurality of grooves are arranged in parallel.

Further, in the above technical solution, the functions of each part are as follows: the clamp base 1: fixing the processing platform and determining the processing position of the workpiece 2 to be processed; pressing and holding block 5: a safe distance is reserved between the long plate 4 pressing block and the workpiece 2 to be machined, so that the workpiece 2 to be machined is prevented from being damaged during disassembly and assembly; a bottom support block 3: two degrees of freedom of the member to be machined 2 are limited; and (3) pressing a long plate into a block 6: the during operation compresses tightly treats that machined part 2 can leave the machined part voluntarily during the dismantlement. Positioning pins: the position of the long plate pressing block 6 is positioned; the positioning sleeve 14: the workpiece 2 to be processed is positioned.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The multi-clamping fixture is characterized by comprising a fixture base (1), clamping pieces, a connecting piece, a driving piece and a bottom supporting block (3) with a plurality of grooves formed in the upper surface, wherein the bottom supporting block (3) is detachably arranged on the fixture base (1), and a plurality of workpieces to be machined (2) can be clamped and arranged in the corresponding grooves of the bottom supporting block (3) by the clamping pieces;

one end of the connecting piece is connected with the clamping piece, and the other end of the connecting piece is connected with the driving piece;

the bottom of the driving piece is fixedly arranged on the clamp base (1) and can drive the connecting piece to drive the plurality of workpieces to be machined (2) clamped by the clamping piece to reciprocate along the linear direction; the clamping piece comprises a long plate (4) arranged on one side of the bottom supporting block (3), a pressing and holding block (5) and a long plate pressing block (6) are sequentially and detachably arranged on the side face of the long plate (4), a plurality of workpieces to be machined (2) can be correspondingly arranged in a plurality of grooves of the bottom supporting block (3), the upper end of each workpiece to be machined (2) can be fixed by the pressing and holding block (5), and the two sides of each workpiece to be machined are respectively fixed by the long plate (4) and the long plate pressing block (6); one side of the long plate (4) back to the bottom supporting block (3) is fixedly connected with the connecting piece.

2. The multi-clamping jig as claimed in claim 1, wherein the holding-down block (5) and the long plate holding-down block (6) are connected to the long plate (4) by positioning pins.

3. A multi-clamping jig as defined in claim 2 wherein the driving member comprises a motor (7) provided in the jig base (1), a plurality of engaging boss gears (10) fixed to the shaft (9) and arranged in a horizontal direction, and a moving gear of the motor (7) is engaged with the boss gear (10) at one end of the plurality of engaging boss gears (10) arranged in the horizontal direction;

wherein, the one end that links to each other with the driving piece in the connecting piece is rack (8), and the lower surface of rack (8) can mesh mutually with boss gear (10).

4. The multi-clamping fixture as recited in claim 3, characterized in that the connecting member further comprises a cross bar (11) vertically connected with one end of the rack (8), and both ends of the cross bar (11) are fixedly connected with the long plate (4) through connecting plates (12).

5. A multi-clamping fixture according to claim 4, wherein the motor (7) is electrically connected to a travel switch (13), and the travel switch (13) is capable of controlling the rotation shaft of the motor (7) to rotate back and forth.

6. A multi-clamping fixture as claimed in claim 4, characterized in that the long plate (4) is also provided, on its side, with a plurality of positioning sleeves (14) which are in contact with the parts (2) to be machined.

7. A multi-clamping fixture as claimed in any one of claims 1 to 6, characterised in that a plurality of locating lug slots (15) are provided on both sides of the fixture base (1).

8. The multi-clamping fixture as claimed in any one of claims 1 to 6, wherein the bottom support block (3) is detachably connected to the fixture base by means of screws.