CN205915203U - Clamping device - Google Patents

Abstract

The utility model provides a clamping device, it tightly fixes a position the work piece to be used for pressing from both sides, it includes the mount, fixture and locking means, fixture includes loading board and clamp plate, the loading board is fixed to be set up in order to be used for bearing the work piece on the mount, the clamp plate cooperatees with holding workpiece with the loading board, the clamp plate runs through to be seted up the closure hole and is close to in the mounting hole in closure hole, locking means includes driving piece and telescopic link, the driving piece is fixed in on the mount, the telescopic link includes body and bayonet lock, the body runs through the loading board and is connected with the driving piece, bayonet lock fixed connection keeps away from the one end of driving piece in the body, the telescopic link runs through the clamp plate through the mounting hole and makes the protruding clamp plate that stretches out of bayonet lock, the body of telescopic link can be followed the mounting hole and slided to the closure hole, driving piece drive telescopic link moves towards the mount, so that the bayonet lock card is held in the edge in closure hole, and make the clamp plate and bear the weight of the plate holder and tightly fix a position the work piece.

Description

Clamping device

Technical field

This utility model is related to a kind of clamping device.

Background technology

In the polishing processing procedure of workpiece, need to be clamped positioning by workpiece in advance, then by polissoir, workpiece is carried out Polishing operation.More the clamping and positioning mode of conventional workpiece, adopt upper lower platen clamping workpiece, and push by screw locking Plate, to realize the clamping and positioning of workpiece.However, take longer using lower platen on screw locking, greatly reduce the folder of workpiece Tight location efficiency.

Utility model content

In view of above-mentioned condition is it is necessary to provide a kind of clamping device being capable of fast clamp workpiece.

A kind of clamping device, for clamping and positioning workpiece, it includes fixed mount, clamping device and locking mechanism, this clamping Mechanism includes loading plate and pressing plate, and this loading plate is fixedly installed on for carrying this workpiece on this fixed mount, this pressing plate with should Loading plate matches to clamp this workpiece, and this pressing plate runs through the installing hole offering locking holes and being in close proximity to this locking holes, this lock Close mechanism and include actuator and expansion link, this actuator is fixed on this fixed mount, and this expansion link includes body and bayonet lock, this Body is run through this loading plate and is connected with this actuator, and this bayonet lock is fixedly connected on this body one end away from this actuator, and this is stretched Contracting bar runs through this pressing plate by this installing hole and makes this bayonet lock protrude out this pressing plate, and the body of this expansion link can be from this installing hole Slide into this locking holes, this actuator drives this expansion link to move towards this fixed mount, so that this bayonet lock is fastened in this locking holes Edge, and make this pressing plate and this this workpiece of loading plate clamping and positioning.

Further, this fixed mount includes base plate, top board and multiple pillar, this base plate parallel to this top board, the plurality of Post is parallel to each other and is respectively perpendicular and is connected between this base plate and this top board, and this top board offers through hole, and this actuator is fixed In this top board towards this base plate one side, this expansion link runs through this top board by this through hole.

Further, this clamping device also includes cushion block, the first fixture and the first locating dowel, this cushion block pass through this first Fixture is fixedly connected on the one side that this top board deviates from this base plate, and, through cushion block, this first locating dowel is remote for this first locating dowel Protrude out this cushion block from one end of this top board, the position that this loading plate corresponds to this first locating dowel offers the first location hole, This first locating dowel is arranged in this first location hole, and this loading plate is positioned this cushion block.

Further, this clamping device also includes the second fixture and the second locating dowel, and it is second solid that this loading plate passes through this Determine part and be fixedly connected on the one side away from this top board for this cushion block, this second locating dowel through this loading plate, this second locating dowel One end away from this cushion block protrudes out this loading plate, and the position that this pressing plate corresponds to this second locating dowel offers the second positioning Hole, this second locating dowel is arranged in this second location hole, and this pressing plate is positioned this loading plate.

Further, this cushion block offers first through hole, and this loading plate runs through and offers the second through hole, and this expansion link is successively Through this through hole, this first through hole and this second through hole.

Further, this expansion link also includes pushing block, and this pushing block is sheathed and is fixed on this body, and this pushing block can push against In this pressing plate towards this loading plate one side so that this pressing plate is located away from this loading plate.

Further, this pushing block is in circular, and its external diameter is less than the hole of this through hole, this first through hole and this second through hole Footpath, so that this pushing block can slide be contained in this through hole, this first through hole and this second through hole.

Further, the external diameter of this pushing block is more than the aperture of this locking holes, is beneficial to this pushing block and can push against in this pressing plate One side towards this loading plate.

Further, this bayonet lock is in the form of annular discs, and its diameter of section is less than the aperture of this installing hole, and cutting more than this body Face diameter and the aperture of this locking holes, so that this bayonet lock can be arranged in this installing hole and be fastened in the edge of this locking holes.

Further, the aperture of this installing hole is more than the aperture of this locking holes.

Above-mentioned clamping device passes through gripper mechanism grips workpiece, and locks this clamping device so that this clamping by locking mechanism This workpiece of mechanism stable and rapidly clamping and positioning, further improve production efficiency.

Brief description

Fig. 1 is the schematic perspective view of the workpiece of this utility model clamping device and its clamping.

Fig. 2 is the decomposing schematic representation of the clamping device shown in Fig. 1.

Fig. 3 is the sectional view along iii-iii line for the clamping device shown in Fig. 1.

Fig. 4 is that this utility model clamping device unclamps state diagram during workpiece.

Main element symbol description

Clamping device	100
		Fixed mount	10
Base plate	11
		Top board	12
Through hole	121
		Pillar	13
Clamping device	20
		Cushion block	21
First through hole	211
		Loading plate	22
First location hole	221
		Second through hole	222
Pressing plate	23
		Second location hole	231
Locking holes	232
		Installing hole	233
First fixture	24
		First locating dowel	25
Second fixture	26
		Second locating dowel	27
Locking mechanism	30
		Actuator	31
Expansion link	32
		Body	321
Bayonet lock	322
		Pushing block	323
Workpiece	200

Following specific embodiment will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole realities Apply example.Based on the embodiment in this utility model, those of ordinary skill in the art institute under the premise of not making creative work The every other embodiment obtaining, broadly falls into the scope of this utility model protection.

It should be noted that when an assembly is considered as " connection " another assembly, it can be directly to separately One assembly or may be simultaneously present the assembly being centrally located.When an assembly is considered as " being arranged on " another assembly, It can be to be set directly on another assembly or may be simultaneously present the assembly being centrally located.

Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein The purpose of description specific embodiment is it is not intended that in limiting this utility model.Term as used herein " and/or " include The arbitrary and all of combination of one or more related Listed Items.

Please refer to Fig. 1 to Fig. 4, the clamping device 100 that this utility model provides is used for clamping and positioning workpiece 200, with Beneficial to polissoir (not shown), operation is polished to this workpiece 200.Clamping device 100 includes fixed mount 10, clamping device 20 and locking mechanism 30.Clamping device 20 and locking mechanism 30 are installed on fixed mount 10 respectively, clamping device 20 clamping workpiece 200, locking mechanism 30 this clamping device 20 sealed is so that this clamping device 20 locks this workpiece 200 of clamping and positioning.

In the present embodiment, fixed mount 10 includes base plate 11, top board 12 and multiple pillar 13.Base plate 11 is in substantially circle Shape, top board 12 is arranged parallel to base plate 11, multiple pillars 13 be parallel to each other and be respectively perpendicular be connected to base plate 11 and top board 12 it Between.Preferably, the quantity of pillar 13 is four, and the rectangular distribution of four pillars 13, but not limited to this.Top board 12 approximate in Centre position is further opened with through hole 121.

Clamping device 20 includes cushion block 21, loading plate 22, pressing plate 24, two the first locating dowels of 23, two the first fixtures 25th, two the second fixtures 26 and two the second locating dowels 27.In the present embodiment, the generally rectangular shaped bulk of cushion block 21, its It is fixedly connected on the one side that top board 12 deviates from base plate 11 by two the first fixtures 24.The position of the corresponding through hole 121 of cushion block 21 Put to run through and offer first through hole 211, this first through hole 211 is communicated in this through hole 121.Two the first locating dowels 25 are mutually flat Go and extend through two diagonal angles in cushion block 21, and each first locating dowel 25 convexedly stretches in cushion block away from one end of top board 12 Outside 21, in order to position loading plate 22.

The generally rectangular shaped platy structure of loading plate 22, its pass through two the second fixtures 26 be fixedly connected on cushion block 21 away from The one side of top board 12, for carrying workpiece 200.The position that loading plate 22 corresponds to two the first locating dowels 25 offers respectively Two the first location holes 221, two the first locating dowels 25 correspond to respectively and are arranged in two the first location holes 221, to position carrying Plate 22 is with respect to the position relationship of cushion block 21.Two the second locating dowels 27 are parallel to each other and extend through in two couple of loading plate 22 At angle, and each second locating dowel 27 away from this cushion block 21 one end convexedly stretch in loading plate 22 outside, in order to position this pressure Plate 23.The approximate center position of loading plate 22 is also opened to run through and is offered the second through hole 222, the second through hole 222, first through hole 211 And through hole 121 is interconnected.

In the present embodiment, through hole 121, first through hole 211 and the second through hole 222 are circular hole, and through hole 121st, the centrage of first through hole 211 and the second through hole 222 is consistent, but not limited to this.

In the present embodiment, the first fixture 24 and the second fixture 26 are screw, but not limited to this.

The generally rectangular shaped platy structure of pressing plate 23, its size is matched with the size of loading plate 22.Pressing plate 23 corresponds to two The position of individual second locating dowel 27 offers two the second location holes 231, and two the second locating dowels 27 correspond to respectively and are arranged in two Individual second location hole 231, to position the position relationship that this pressing plate 23 is with respect to loading plate 22.

Run through on pressing plate 23 and offer locking holes 232 and installing hole 233, locking holes 232 are located at the approximate center of pressing plate 23 Position, and the second through hole 222 corresponding to loading plate 22, in order to locking mechanism 30 pass through this locking holes 232 by pressing plate 23 with Loading plate 22 carries out sealed.Installing hole 233 is in close proximity to locking holes 232, is beneficial to locking mechanism 30 and is slipped into by this installing hole 233 To locking holes 232.In the present embodiment, locking holes 232 and installing hole 233 are circular hole, and the aperture of installing hole 233 is slightly Aperture more than locking holes 232.

Locking mechanism 30 includes actuator 31 and expansion link 32, and actuator 31 is fixed on top board 12 towards the one of base plate 11 Face, expansion link 32 is installed in actuator 31 and sequentially passes through in through hole 121, first through hole 211 and the second through hole 222, stretches Bar 32 can make stretching motion under the driving effect of actuator 31.In the present embodiment, actuator 31 is a kind of cylinder, but Not limited to this.Expansion link 32 includes body 321, bayonet lock 322 and pushing block 323.Body 321 is generally cylindrical, its section radius Match with the aperture of locking holes 232.One end of body 321 is connected to actuator 31, and the other end is fixedly connected with bayonet lock 322. Bayonet lock 322 is substantially in the form of annular discs, and the diameter of section of bayonet lock 322 is less than the aperture of installing hole 233, and cutting more than body 321 Face diameter and the aperture of locking holes 232, so that bayonet lock 322 is arranged in installing hole 233 and is fastened in the edge of locking holes 232. Pushing block 323 is in substantially circular, its approximate center position that is sheathed and being fixed on body 321.The external diameter of pushing block 323 is less than and runs through The aperture in hole 121, first through hole 211 and the second through hole 222, and the aperture more than locking holes 232, in order to this pushing block 323 energy Enough slips are contained in through hole 121, first through hole 211 and the second through hole 222, and push against in pressing plate 23 towards loading plate 22 Simultaneously.

When needing clamping workpiece 200, first workpiece 200 is positioned on loading plate 22, then makes the bayonet lock 322 of expansion link 32 Through the installing hole 233 of pressing plate 23, then move in parallel pressing plate 23 so that the body 321 of expansion link 32 is entered by installing hole 233 Locking holes 232, now, two the second locating dowels 27 correspond respectively to two the second location holes 231.Actuator 31 drives expansion link 32 move towards base plate 11, so that bayonet lock 322 is fastened in the edge of locking holes 232, meanwhile, two the second locating dowels 27 are respectively Correspondence is arranged in two the second location holes 231, to realize the clamping and positioning to workpiece 200.

When needing to take out workpiece 200, actuator 31 drives expansion link 32 to move away from the direction of base plate 11, so that bayonet lock 322 away from pressing plate 23, and meanwhile, pushing block 323 pushes against the one side in pressing plate 23 towards loading plate 22, so that pressing plate 23 is located away from carrying Plate 22.The mobile pressing plate 23 of operator, so that the body of expansion link 32 enters in installing hole 233 by locking holes 232, then will be pressed Plate 23 lifts in the top of expansion link 32, you can take out workpiece 200.

It is appreciated that in other embodiments, cushion block 21 can omit, and that is, loading plate 22 is directly fixed on top board 12 On, but not limited to this.

It is appreciated that in other embodiments, the first fixture 24, the first locating dowel 25, the second fixture 26 and The quantity of two locating dowels 27 is not limited to two it is also possible to be one or more.

It is appreciated that in other embodiments, the first locating dowel 25 and the second locating dowel 27 all can omit it is also possible to Substituted by other location structures, but not limited to this.

It is appreciated that the generally rectangular shaped frame-shaped of workpiece 200 in present embodiment, it is beneficial to expansion link 32 and can run through work Part 200, and the size of workpiece 200 matched with the size of loading plate 22 and pressing plate 23, being beneficial to this workpiece 200 being capable of stabilization clamp It is held between loading plate 22 and pressing plate 23, but not limited to this.

Clamping device 100 of the present utility model passes through clamping device 20 clamping workpiece 200, and is somebody's turn to do by locking mechanism 30 is sealed Clamping device 20 so that this clamping device 20 is stable and rapidly this workpiece 200 of clamping and positioning, further improve production efficiency.

In addition, those skilled in the art also can do other changes in this utility model spirit, certainly, these are according to this reality The change made of new spirit, all should be included in the claimed scope of this utility model.

Claims (10)

1. a kind of clamping device, for clamping and positioning workpiece, it includes fixed mount, clamping device and locking mechanism, and its feature exists In: this clamping device includes loading plate and pressing plate, and this loading plate is fixedly installed on for carrying this workpiece on this fixed mount, should Pressing plate matches to clamp this workpiece with this loading plate, and this pressing plate runs through the installation offering locking holes and being in close proximity to this locking holes Hole, this locking mechanism includes actuator and expansion link, and this actuator is fixed on this fixed mount, and this expansion link includes body and card Pin, this body run through this loading plate and is connected with this actuator, and this bayonet lock is fixedly connected on this body away from the one of this actuator End, this expansion link runs through this pressing plate by this installing hole and makes this bayonet lock protrude out this pressing plate, and the body of this expansion link can be from This installing hole slides into this locking holes, and this actuator drives this expansion link to move towards this fixed mount, so that this bayonet lock is fastened in The edge of this locking holes, and make this pressing plate and this this workpiece of loading plate clamping and positioning.

2. clamping device as claimed in claim 1 it is characterised in that: this fixed mount includes base plate, top board and multiple pillar, should Parallel to this top board, the plurality of pillar is parallel to each other and is respectively perpendicular and is connected between this base plate and this top board base plate, this top board Offer through hole, this actuator is fixed on the one side towards this base plate for this top board, this expansion link runs through this by this through hole Top board.

3. clamping device as claimed in claim 2 it is characterised in that: this clamping device also include cushion block, the first fixture and First locating dowel, this cushion block is fixedly connected on, by this first fixture, the one side that this top board deviates from this base plate, this first positioning Post protrudes out this cushion block through cushion block, this first locating dowel away from one end of this top board, and it is first fixed that this loading plate corresponds to this The position of position post offers the first location hole, and this first locating dowel is arranged in this first location hole, and this loading plate is positioned This cushion block.

4. clamping device as claimed in claim 3 it is characterised in that: this clamping device also includes the second fixture and second fixed Position post, this loading plate is fixedly connected on the one side away from this top board for this cushion block by this second fixture, and this second locating dowel is passed through It is through at this loading plate, this second locating dowel protrudes out this loading plate away from one end of this cushion block, it is second fixed that this pressing plate corresponds to this The position of position post offers the second location hole, and this second locating dowel is arranged in this second location hole, and this pressing plate is positioned this Loading plate.

5. clamping device as claimed in claim 4 it is characterised in that: this cushion block offers first through hole, and this loading plate runs through Offer the second through hole, this expansion link sequentially passes through in this through hole, this first through hole and this second through hole.

6. clamping device as claimed in claim 5 it is characterised in that: this expansion link also includes pushing block, and this pushing block is sheathed and solid On this body, this pushing block can push against the one side in this pressing plate towards this loading plate, so that this pressing plate is located away from this carrying Plate.

7. clamping device as claimed in claim 6 it is characterised in that: this pushing block be in circular, its external diameter be less than this through hole, This first through hole and the aperture of this second through hole, so that this pushing block can slide and being contained in this through hole, this first through hole and be somebody's turn to do In second through hole.

8. clamping device as claimed in claim 6 it is characterised in that: the external diameter of this pushing block be more than this locking holes aperture, with The one side towards this loading plate in this pressing plate can be pushed against beneficial to this pushing block.

9. clamping device as claimed in claim 1 it is characterised in that: this bayonet lock is in the form of annular discs, its diameter of section be less than this peace The aperture in dress hole, and it is more than the diameter of section of this body and the aperture of this locking holes, so that this bayonet lock can be arranged in this installation Hole is simultaneously fastened in the edge of this locking holes.

10. clamping device as claimed in claim 1 it is characterised in that: the aperture of this installing hole be more than this locking holes aperture.