CN216399669U

CN216399669U - High-precision vacuum clamping jaw

Info

Publication number: CN216399669U
Application number: CN202122316067.4U
Authority: CN
Inventors: 朱纯彬
Original assignee: Shenzhen Xuweixing Precision Equipment Co ltd
Current assignee: Shenzhen Xuweixing Precision Equipment Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-29
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a high-precision vacuum clamping jaw, and relates to the technical field of product clamping. The adjustable clamp comprises a clamping piece mounting block, wherein one side of the clamping piece mounting block is provided with an elasticity adjusting hole, the end part of the elasticity adjusting hole is provided with a machine-meter screw, the machine-meter screw is in threaded connection with the elasticity adjusting hole, and an adjustable compression spring is arranged in the elasticity adjusting hole. The clamping jaw can effectively solve the problem that the rotation precision of the existing clamping jaw is not enough, the structure that the buffering spring is additionally arranged on the clamping jaw can perform compression buffering under the condition that the clamping piece is pressed and touched on a product due to inaccurate walking position, the product is prevented from being damaged due to downward pressure, the problem that the product is easily damaged is solved, the integrity of the product can be kept when the clamping jaw clamps the product, the product is prevented from being damaged, and the product quality is further improved.

Description

High-precision vacuum clamping jaw

Technical Field

The utility model belongs to the technical field of product clamping, and particularly relates to a high-precision vacuum clamping jaw.

Background

The mechanical clamping jaw is an important component of the manipulator and is also called a mechanical clamping mechanism; the mechanical clamping jaw is an automatic operating device which can imitate certain action functions of a human hand and an arm and is used for grabbing and carrying an object or operating a tool according to a fixed program, and is characterized in that various expected operations can be completed through programming, and the mechanical clamping jaw has the advantages of both a human and a mechanical arm machine in structure and performance, wherein the mechanical arm is the earliest industrial robot and the earliest modern robot, can replace heavy labor of a human to realize mechanization and automation of production, can operate in a harmful environment to protect personal safety, and is widely applied to mechanical manufacturing, metallurgy, electronics, light industry, atomic energy and other departments;

patent numbers: a utility model of CN209831685U proposes a: the utility model discloses a mechanical clamping jaw device and a manipulator with the mechanical clamping jaw device. Based on the structure, the steering engine drives the rotating part to rotate, so that at least two sliding parts can be close to or far away from each other, and the steering engine can adjust the clamping force between at least two clamping jaw parts by controlling the rotating angle of the rotating part;

through the discovery of studying foretell mechanical clamping jaw, this clamping jaw still has certain weak point when using, and current clamping jaw rotational positioning precision is not high, easily causes the damage when getting the product, and the clamping piece installation piece is fast locked easily and is not opened when using long clamping piece, and the clamping jaw is opened the unable defect of adjusting of elasticity, consequently continues to provide a high accuracy vacuum clamping jaw, can carry out accurate regulation and control with the clamp power size at rotational positioning.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision vacuum clamping jaw, which solves the existing problems that: the existing clamping jaw has the defects that the rotating and positioning precision is not high, the product is easy to damage when being taken, a clamping piece mounting block is easy to clamp and cannot be opened when a long clamping piece is used, the opening elasticity of the clamping jaw cannot be adjusted, and the like.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-precision vacuum clamping jaw, which is characterized by comprising: the clamping piece mounting block is fixedly connected to the bottom surface of the mounting seat, the piston is slidably mounted between the clamping piece mounting block and the mounting seat, and the top of the mounting seat is slidably provided with a quick-change connector; the clamping piece installation piece is totally two, and clamping piece installation piece one side of each is provided with elasticity regulation hole, the tip in elasticity regulation hole is provided with the machine rice screw, machine rice screw and elasticity regulation hole threaded connection, be provided with adjustable compression spring in the elasticity regulation hole, adjustable compression spring and machine rice screw elastic connection still include: the clamping piece mounting blocks slide relatively in the guide rail, and a plurality of steel balls are arranged in the guide rail.

Further, a buffer spring is arranged between the mounting seat and the quick-change connector, and the bottom of the buffer spring is elastically connected with the mounting seat.

Further, the mount pad rigid coupling has the uide pin to with the spout sliding fit that sets up on the quick change coupler 2 side.

Further, the quick-change connector is cylindrical, and a positioning pin is arranged at the top of the quick-change connector.

Furthermore, a clamping plate is arranged inside the quick-change connector, the clamping plate is fixedly connected with the mounting seat, an arc-shaped groove is formed in the clamping plate, and the guide pin is matched and fixed with the arc-shaped groove.

Furthermore, a through groove is formed in the top of the quick-change connector, and the positioning pin is correspondingly matched with the through groove in position.

Furthermore, the mounting seat and the clamping plate are both rectangular, and the mounting seat and the clamping plate are both made of stainless steel.

Further, the positioning pin and the guide pin are both cylindrical in shape.

Furthermore, each end of the two clamping piece mounting blocks, which are close to each other, is provided with an inverted triangular guide block, the bottom of the piston is matched with an inclined plane, and when the piston moves upwards, the two clamping piece mounting blocks are close to the middle.

Furthermore, the elasticity adjusting holes are provided with two groups, and the two groups of elasticity adjusting holes are respectively arranged on two sides of the clamping piece mounting block.

The utility model has the following beneficial effects:

the clamping jaw can effectively solve the problem that the rotating precision of the existing clamping jaw is not enough, and the structure of the clamping jaw with the buffering spring can compress and buffer under the condition that the clamping jaw is pressed and touched with a product due to inaccurate walking, so that the product is prevented from being damaged due to downward pressure, and the service life of the machine is prolonged.

The clamping jaw is characterized in that the clamping jaw is provided with a guide rail, the guide rail is arranged on the guide rail, the clamping jaw is provided with a circular hole, the guide rail is provided with a guide rod, the circular hole is arranged on the guide rail, the guide rod is arranged on the guide rail, the clamping jaw is arranged on the guide rail, the guide rail is arranged on the guide rail, the circular hole is arranged on the guide rail, the guide rail is arranged on the guide rail, the clamping jaw is arranged on the guide rail, the circular hole is arranged on the guide rail, the clamping jaw is arranged on the guide rail, the guide rail is arranged on the circular hole, the guide rail is arranged on the guide rail, and the circular hole.

1. According to the adjustable clamping jaw, the elasticity adjusting hole is additionally arranged, the initial compression amount of the adjustable compression spring can be adjusted by rotating the machine meter screw inside, so that the opening force of the clamping jaw is adjusted, the defect that the opening force of the traditional clamping jaw cannot be adjusted is overcome, and the application range and the practicability of the clamping jaw are improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is an elevational, cross-sectional view of the present invention;

FIG. 5 is a bottom view of the present invention;

FIG. 6 is a schematic view of the internal structure of the clip mounting block of the present invention;

FIG. 7 is an overall cross-sectional view of another embodiment of the present invention;

fig. 8 is a partial cross-sectional view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. positioning pins; 2. a quick-change connector; 3. a buffer spring; 4. a guide pin; 5. a mounting seat; 6. an elasticity adjusting hole; 7. an adjustable compression spring; 8. a guide rail; 9. a clamping piece mounting block; 10. a piston; 11. a through groove; 12. an arc-shaped slot; 13. a machine-meter screw; 14. and (4) clamping the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention is a high precision vacuum chuck jaw, comprising: the clamping piece installing block 9 is fixedly connected to the bottom surface of the installing seat 5, the piston 10 is slidably installed between the clamping piece installing block 9 and the installing seat 5, and the top of the installing seat 5 is slidably provided with the quick-change connector 2; the installation piece 9 is two totally, and the clamping jaw is installed to bilateral symmetry, one side of clamping piece installation piece 9 is provided with elasticity regulation hole 6, and the tip of elasticity regulation hole 6 is provided with machine rice screw 13, and

machine rice screw

13 and 6 threaded connection of elasticity regulation hole are provided with adjustable compression spring 7 in the elasticity regulation hole 6, and

adjustable compression spring

7 and 6 elastic connection of elasticity regulation hole still include: the clamping piece mounting blocks 9 slide relatively in the guide rail 8, and a plurality of steel balls are arranged in the guide rail 8; the traditional clamping jaw is guided in a sliding mode of a round hole and a piston 10, a gap is bound to exist between the round hole and a guide rod, if the clamping jaw is too long, the clamping jaw is blocked due to overlarge torque, the guide rail 8 is guided in a rolling mode, and a zero gap can be formed between a steel ball and the guide rail 8, so that the clamping jaw is prevented from being blocked due to a product, the clamping jaw is more smooth in use, and the working efficiency of the clamping jaw is improved;

by rotating the machine meter screw 13 in the elastic force adjusting hole 6 and adjusting the initial compression amount of the adjustable compression spring 7, when the adjusted adjustable compression spring 7 is compressed by upward movement of the piston 10, the ratio of the compression deformation amount to the upward pressure required by the piston 10 changes, so that the integral displacement precision of the clamping jaw is improved, the defect that the opening force of the traditional clamping jaw cannot be adjusted is overcome, and the application range and the practicability of the clamping jaw are improved;

the top of the mounting seat 5 is provided with a buffer spring 3, the bottom of the buffer spring 3 is elastically connected with the mounting seat 5, the mounting seat 5 is fixedly connected with a guide pin 4, the buffer spring 3 is arranged on the outer surface of the mounting seat 5, and the buffer spring 3 is sleeved with the mounting seat 5; the clamping jaw is additionally provided with the buffer spring 3, so that compression and buffering can be performed under the condition that the clamping piece is pressed down to touch a product due to inaccurate walking position, the product is prevented from being damaged due to downward pressure, the problem that the product is easily damaged is solved, the integrity of the product can be kept by the clamping jaw when the product is clamped by the clamping jaw, the product is prevented from being damaged, and the product quality is improved;

the quick-change connector 2 is cylindrical, a positioning pin 1 is arranged at the top of the quick-change connector 2, a clamping plate 14 is arranged inside the quick-change connector 2, an arc-shaped groove 12 is formed in the clamping plate 14, the guide pin 4 is matched and fixed with the arc-shaped groove 12, a through groove 11 is formed in the top of the quick-change connector 2, and the positioning pin 1 is correspondingly matched with the through groove 11;

the mounting seat 5 and the clamping plate 14 are both rectangular, the mounting seat 5 and the clamping plate 14 are both made of stainless steel, the positioning pin 1 and the guide pin 4 are both cylindrical, two groups of elastic force adjusting holes 6 are arranged, and the two groups of elastic force adjusting holes 6 are respectively arranged on two sides of the clamping piece mounting block 9;

quick-change coupler 2 has the effect of support to cardboard 14, and uide pin 4 carries out the joint through the round pin axle with arc wall 12 of cardboard 14 bottom, and clamping piece installation piece 9 has the effect of fixed stay to the clamping piece, and 2 standardized designs of quick-change coupler can general SMT trade standardized part, realize quick repacking, and it is comparatively convenient to use, and then improves the centre gripping efficiency to the product.

One specific application of this embodiment is: when the article is not required to be clamped, the clamping piece mounting block 9 is in an open state under a normal environment, when the article is required to be clamped, external negative pressure acts on the quick-change connector 2, vacuum is formed inside the mounting seat 5, the guide piston 10 moves upwards under the action of the negative pressure, the clamping piece mounting block 9 is driven to symmetrically move towards the middle to clamp the product, after the vacuum inside the mounting seat 5 is broken, the clamping piece mounting block 9 is restored to the open state under the elastic force action of the adjustable compression spring 7, the clamping piece mounting block 9 can be opened and closed circularly in the circulating manner, the product can be clamped through the clamping piece mounting block 9, when the opening force of the clamping jaw is required to be adjusted, the machine-meter screw 13 in the elastic force adjusting hole 6 is rotated, the adjustable compression spring 7 can be extruded through the machine-meter screw 13, and then can adjust adjustable compression spring 7's initial compression volume, adjust through the initial compression volume to adjustable compression spring 7, can adjust the dynamics of opening of clamping jaw, and then accomplish the centre gripping work to article, improve the application range and the practicality of whole device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high precision vacuum chuck jaw, comprising: the clamping piece installing device comprises a clamping piece installing block (9), a piston (10) and an installing seat (5), wherein the clamping piece installing block (9) is fixedly connected to the bottom surface of the installing seat (5), the piston (10) is installed between the clamping piece installing block (9) and the installing seat (5) in a sliding mode, and the top of the installing seat (5) is provided with a quick-change connector (2) in a sliding mode; the utility model discloses a clamp piece installation piece, including clamping piece installation piece (9), each clamping piece installation piece (9) one side is provided with elasticity regulation hole (6), the tip of elasticity regulation hole (6) is provided with machine rice screw (13), machine rice screw (13) and elasticity regulation hole (6) threaded connection, be provided with adjustable compression spring (7) in elasticity regulation hole (6), adjustable compression spring (7) and machine rice screw (13) elastic connection still include: the clamping piece mounting device comprises a guide rail (8), two clamping piece mounting blocks (9) slide relatively on the guide rail (8), and a plurality of steel balls are arranged in the guide rail (8).

2. A high precision vacuum jaw according to claim 1, characterized in that: the quick-change connector (2) is cylindrical, and a positioning pin (1) is arranged at the top of the quick-change connector (2).

3. A high precision vacuum jaw according to claim 2, characterized in that: and the mounting seat (5) is fixedly connected with a guide pin (4) and is in sliding fit with a sliding groove arranged on the side edge of the quick-change connector (2).

4. A high precision vacuum jaw according to claim 1, characterized in that: a buffer spring (3) is arranged between the mounting seat (5) and the quick-change connector (2), and the bottom of the buffer spring (3) is elastically connected with the mounting seat (5).

5. A high precision vacuum jaw according to claim 3, characterized in that: the quick-change connector is characterized in that a clamping plate (14) is arranged inside the quick-change connector (2), the clamping plate (14) is fixedly connected with the mounting seat (5), an arc-shaped groove (12) is formed in the clamping plate, and the guide pin (4) is matched and fixed with the arc-shaped groove (12).

6. A high precision vacuum jaw according to claim 3, characterized in that: the top of the quick-change connector (2) is provided with a through groove (11), and the positioning pin (1) is correspondingly matched with the through groove (11).

7. A high precision vacuum jaw according to claim 4 or 5, characterized in that: the mounting seat (5) and the clamping plate (14) are both rectangular, and the mounting seat (5) and the clamping plate (14) are both made of stainless steel.

8. A high precision vacuum jaw according to claim 3, characterized in that: the positioning pin (1) and the guide pin (4) are cylindrical.

9. A high precision vacuum jaw according to claim 1, characterized in that: each end that two clamping piece installation piece (9) are close to each other is equipped with the inverted triangle guide block, piston (10) bottom cooperation is seted up there is the inclined plane, and when piston (10) upward movement, two clamping piece installation piece (9) are drawn close to the centre.

10. A high precision vacuum jaw according to claim 1, characterized in that: the elastic force adjusting holes (6) are arranged in two groups, and the two groups of elastic force adjusting holes (6) are respectively arranged on two sides of the clamping piece mounting block (9).