CN210115930U

CN210115930U - Clamping and positioning device

Info

Publication number: CN210115930U
Application number: CN201920377219.1U
Authority: CN
Inventors: 张立杰; 马志近; 余兵
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-02-28
Anticipated expiration: 2029-03-22

Abstract

The utility model provides a clamping and positioning device, including mounting and main holder, the mounting is connected in order to remove clamping and positioning device with a manipulator, and the side of mounting is provided with main holder, and main holder includes main drive portion and main holder, and the power take off end of main drive portion is connected with main holder, and main holder side is equipped with pressure sensor for the response the clamping pressure and then the regulation of main holder the clamping pressure is in order to adapt to the clamping workpiece. The utility model provides a clamping and positioning device, the commonality is strong and functional high. On one hand, the clamping and positioning device can realize digital display of clamping pressure through the pressure sensor, and different clamping pressures are set according to workpieces made of different materials; on the other hand, accurate positioning can be realized through the position sensor and the proximity sensor; on the other hand, the function diversification of the clamping and positioning device can be realized through the auxiliary clamping piece and the cleaning piece.

Description

Clamping and positioning device

Technical Field

The utility model relates to a mechanical clamping technical field, especially a clamping and positioning device.

Background

In the prior art, clamping jaws perform multidimensional centering clamping, namely, a manipulator is connected with one clamping jaw to perform operation, the condition that the control on the clamping force of a product is not accurate enough exists, the clamping jaw can not be suitable for processing softer materials, the universality is poor, and the function is single.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a clamping and positioning device to solve the above problems.

The utility model provides a clamping and positioning device, including mounting and main holder, the mounting is connected in order to remove with a manipulator clamping and positioning device, main holder set up in the side of mounting, main holder includes main drive portion and main holder, the power take off end of main drive portion connects main holder, main holder side is equipped with pressure sensor for the response the clamping pressure of main holder and then adjust clamping pressure is in order to adapt to the centre gripping work piece.

Preferably, the main drive portion includes the stiff end that the cooperation set up and removes the end, main clamping part is including relative first grip block and the second grip block that sets up, the stiff end is connected with first grip block, it is connected with to remove the end the second grip block.

Preferably, one surface of the opposite surfaces of the first clamping plate and the second clamping plate is provided with a position sensor, and the other surface is provided with a proximity sensor.

Preferably, a floating piece is arranged between the first clamping plate and the second clamping plate and used for avoiding the position deviation of a clamped workpiece; the floating piece is fixed on the first clamping plate.

Preferably, the floating piece comprises a floating block, a connecting block and an elastic connecting piece, the connecting block is fixedly connected with the first clamping plate, and the elastic connecting piece is fixedly connected with the floating block and the connecting block.

Preferably, the number of main holder is two, two main holder locates respectively the symmetry both sides of mounting, and two main holder is central symmetry setting.

Preferably, an auxiliary clamping piece is arranged at the bottom of the side face of the fixing piece between the two main clamping pieces and used for clamping an auxiliary workpiece.

Preferably, the auxiliary clamping piece comprises an auxiliary driving part and an auxiliary clamping part, and the auxiliary driving part is fixed at the bottom of the fixing piece to drive the auxiliary clamping part to move.

Preferably, the side surface of the fixing part is provided with a cleaning part, and the cleaning part and the auxiliary clamping part are positioned on the same side surface of the fixing part.

Preferably, a pneumatic driving member is connected to each of the main driving part and the auxiliary driving part.

The clamping and positioning device provided by the utility model can realize digital display of clamping pressure through the pressure sensor, and set different clamping pressures according to workpieces made of different materials; on the other hand, accurate positioning can be realized through the position sensor and the proximity sensor; on the other hand, the function diversification of the clamping and positioning device can be realized through the auxiliary clamping piece and the cleaning piece, and the device is strong in universality and high in functionality.

Drawings

Fig. 1 is a perspective view of a clamping and positioning device according to an embodiment of the present invention.

Fig. 2 is a partially exploded perspective view of the clamp positioner shown in fig. 1.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a clamping and positioning device 10, wherein the clamping and positioning device 10 includes a fixing member 100, a main clamping member 200, an auxiliary clamping member 300, and a cleaning member 400. The main clamping member 200, the auxiliary clamping member 300 and the cleaning member 400 are fixedly coupled to the fixing member 100. The fixture 100 is connected to a robot (not shown), and the clamping and positioning device 10 is moved by the movement of the robot to clamp the workpiece for processing.

In one embodiment, the datum line of the workpiece can be found more quickly by providing the main clamp 200 on a side surface. The main clamping pieces 200 are respectively arranged on two symmetrical sides of the fixing piece 100, the two main clamping pieces 200 on the two sides of the fixing piece 100 are arranged in a central symmetry manner, a manipulator can simultaneously clamp and position two workpieces in one-time operation, and the reference positions of the workpieces are kept unchanged in the process of rotating the fixing piece 100.

It is understood that in other embodiments, the main holder 200 may be one.

Since the structures of the two main clamps 200 are identical, only the structure of one main clamp 200 will be described in the following description.

The main clamping member 200 includes a main driving part 210 and a main clamping part 220, and the main clamping part 220 is connected to a power output end of the main driving part 210. The main driving part 210 includes a fixed end 211 and a movable end 212 which are cooperatively disposed. Specifically, the fixing end 211 is a cube and is fixedly connected with the fixing member 100; the movable end 212 is L-shaped and is movably connected with the fixed end 211 in a matching manner. Under the action of power, the movable end 212 can reciprocate along the length direction of the fixed end 211.

The main clamping portion 220 includes a first clamping plate 221 and a second clamping plate 222 which are oppositely arranged, the fixed end 211 is connected with the first clamping plate 221, the movable end 212 is connected with the second clamping plate 222, the second clamping plate 222 is driven by the movable end 212 to be close to or far away from the first clamping plate 221, and clamping or replacement of a workpiece is completed.

The side of the main clamping portion 220, i.e. the side of the second clamping plate 222 facing away from the first clamping plate 221, is provided with a pressure sensor 223. The pressure sensor 223 is used for sensing the clamping pressure of the main clamping portion 220 to the workpiece. The pressure sensor 223 is disposed on a side surface of the main clamping portion 220, so that a clamping space of the main clamping portion 220 can be saved for clamping a workpiece. The pressure sensor 223 is coupled with a precision pressure regulating valve (not shown), and the clamping pressure of the main clamping portion 220 to the workpiece can be precisely controlled by digitally displaying the clamping pressure. The main clamping portion 220 can clamp workpieces made of different materials, including hard workpieces or soft workpieces, and is high in universality. The workpiece may particularly include, but is not limited to, a clamped metal workpiece, a plastic workpiece or a paper workpiece. The clamping pressure that different materials, different structure products can bear is of different size, through the accurate clamping pressure of main clamping part 220 of accurate control of pressure sensor 223's accurate pressure output, prevents to cause the damage of work piece or the product of crushing in the clamping process.

A position sensor 224 and a proximity sensor 225 are provided on the opposite surfaces of the first clamping plate 221 and the second clamping plate 222. That is, the position sensor 224 is located on the first clamping plate 221 or the second clamping plate 222, and correspondingly, the proximity sensor 225 is located on the second clamping plate 222 or the first clamping plate 221, so as to ensure that the position sensor 224 and the proximity sensor 225 are symmetrically arranged. The symmetrical position sensor 224 and the proximity sensor 225 can ensure the regular clamping space of the main clamping part 220, and can be suitable for clamping workpieces in different shapes.

The position sensor 224 is used for detecting and calibrating the position of the clamped workpiece between the first clamping plate 221 and the second clamping plate 222, so that the time for manually calibrating the point position is saved. The proximity sensor 225 is used to detect whether a workpiece is present between the first clamping plate 221 and the second clamping plate 222, and to determine the state of the main clamping portion 220 in advance, thereby saving the time of determining whether a product is present after the clamping of the conventional clamping device. The clamping and positioning device 10 is provided with the position sensor 224 and the proximity sensor 225, so that accurate positioning of the workpiece can be effectively realized.

Further, a floating member 226 is disposed between the first clamping plate 221 and the second clamping plate 222, the floating member 226 is specifically fixed on the first clamping plate 221, and the floating member 226 is used for avoiding the position deviation of the clamped workpiece during the clamping process.

The float 226 includes a slider 2261, a connection block 2262 and a resilient coupling 2263. The connecting block 2262 is fixedly connected to the first clamping plate 221, and the elastic connection 2263 is fixedly connected to the floating block 2261 and the connecting block 2262. In this embodiment, the number of the elastic couplings 2263 is two, and the elastic coupling 2263 is a spring or other elastic coupling made of an elastic material. The floating block 2261 and the connecting block 2262 are arranged in parallel and are both arranged in a cylindrical manner, and a parallel surface formed by the floating block 2261 and the connecting block 2262 is perpendicular to the first clamping plate 221 and the fixed end 211. The connection block 2262 may be connected to the first clamping plate 221 vertically or connected to the first clamping plate 221 in parallel. If the workpiece is displaced during the clamping process, the elastic connector 2263 can perform adaptive correction to prevent the workpiece from being displaced.

Referring to fig. 2 again, the auxiliary clamping member 300 is located between the main clamping members 200 and disposed at the bottom of the side surface of the fixing member 100, and the auxiliary clamping member 300 is used for clamping an auxiliary workpiece. Specifically, the auxiliary clamp 300 includes an auxiliary driving part 310 and an auxiliary clamping part 320. The auxiliary driving part 310 is fixed to the bottom of the fixing member 100. The auxiliary clamping part 320 includes oppositely disposed clamping arms 321, and the clamping arms 321 complete the closing or opening of the clamping arms 321 under the driving of the auxiliary driving part 310. The auxiliary clamping member 300 is matched according to functions required by production, such as clamping of a tool shank by a machining center (CNC), transferring of a product carrying plate, opening of a cleaning program cleaning basket and the like.

In some alternative embodiments, a pressure sensor may be connected to the auxiliary clamping portion 320 for sensing the clamping pressure of the auxiliary clamping portion 320, so as to adjust the clamping pressure of the auxiliary clamping portion 320 according to the material of the auxiliary workpiece.

Further, the side of the fixing member 100 is provided with a cleaning member 400, and the cleaning member 400 and the auxiliary clamping member 300 are located on the same side. The cleaning member 400 can perform air-jet or liquid-jet cleaning on the workpiece according to different production environments, so as to ensure that the surface of the workpiece is clean.

The utility model discloses a set up supplementary holder 300 and washing piece 400 in centre gripping positioner 10, can improve centre gripping positioner 10's functionality.

In this embodiment, the main driving portion 210 and the auxiliary driving portion 310 are connected to a pneumatic driving member (not shown), and the main driving portion 210 and the auxiliary driving portion 310 are provided with pneumatic interfaces (201,301) for delivering gas to the main driving portion 210 and the auxiliary driving portion 310, so as to respectively power the main clamping portion 220 and the auxiliary clamping portion 320.

In some alternative embodiments, the auxiliary clamp 300 and the cleaning member 400 may be omitted.

The utility model provides a centre gripping positioner 10, the commonality is strong and functional high. On one hand, the clamping and positioning device 10 can realize digital display of clamping pressure through the pressure sensor 223, and different clamping pressures are set according to workpieces made of different materials; on the other hand, accurate positioning can be realized through the position sensor 224 and the proximity sensor 225; on the other hand, the auxiliary clamping member 300 and the cleaning member 400 can realize the function diversification of the clamping and positioning device 10.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims

1. The utility model provides a clamping and positioning device, includes mounting and main holder, the mounting is connected in order to remove with a manipulator clamping and positioning device, its characterized in that: the main clamping part is arranged on the side face of the fixing part and comprises a main driving part and a main clamping part, the power output end of the main driving part is connected with the main clamping part, and a pressure sensor is arranged on the side face of the main clamping part and used for sensing the clamping pressure of the main clamping part and adjusting the clamping pressure to adapt to a clamping workpiece.

2. A clamp positioning device as defined in claim 1, wherein: the main drive portion is including the stiff end and the removal end that the cooperation set up, main clamping part is including relative first grip block and the second grip block that sets up, the stiff end is connected with first grip block, it is connected with to remove the end the second grip block.

3. A clamp positioning device as defined in claim 2, wherein: one side of the opposite surface of the first clamping plate and the second clamping plate is provided with a position sensor, and the other side of the opposite surface of the first clamping plate and the second clamping plate is provided with a proximity sensor.

4. A clamp positioning device as defined in claim 2, wherein: a floating piece is arranged between the first clamping plate and the second clamping plate and used for avoiding the position deviation of a clamped workpiece; the floating piece is fixed on the first clamping plate.

5. The clamp positioning device of claim 4, wherein: the floating piece comprises a floating block, a connecting block and an elastic connecting piece, the connecting block is fixedly connected with the first clamping plate, and the elastic connecting piece is fixedly connected with the floating block and the connecting block.

6. A clamp positioning device as defined in claim 1, wherein: the quantity of main holder is two, two main holder locates respectively the symmetry both sides of mounting, and two main holder is central symmetry setting.

7. The clamp positioning device of claim 6, wherein: and an auxiliary clamping piece is arranged at the bottom of the side surface of the fixing piece between the two main clamping pieces and used for clamping an auxiliary workpiece.

8. The clamp positioning device of claim 7, wherein: the auxiliary clamping piece comprises an auxiliary driving part and an auxiliary clamping part, and the auxiliary driving part is fixed at the bottom of the fixing piece to drive the auxiliary clamping part to move.

9. The clamp positioning device of claim 8, wherein: the fixing part side is equipped with the washing piece, wash the piece with supplementary holder is located the same side of fixing part.

10. The clamp positioning device of claim 8, wherein: the main driving part and the auxiliary driving part are both connected with pneumatic driving pieces.