CN217890218U

CN217890218U - Automatic rear-mounted chuck

Info

Publication number: CN217890218U
Application number: CN202222325624.3U
Authority: CN
Inventors: 尹志成
Original assignee: Foshan Nanhai Hai Yu Mechanical And Electrical Industry Co ltd
Current assignee: Foshan Nanhai Hai Yu Mechanical And Electrical Industry Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-25
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a material processing centre gripping technical field just discloses automatic rear-mounted (holding) chuck, the first clamping mechanism of fixedly connected with in the middle of the inside one side of (holding) chuck body, (holding) chuck body inner wall both sides fixedly connected with second clamping mechanism. The first clamping mechanism comprises a first clamping cylinder body, the first clamping cylinder body is fixedly connected to the middle of one side inside the chuck body, one side of the first clamping cylinder body is provided with a piston, one side of the piston is fixedly connected with an outer guide rail, and the surface of the outer guide rail is provided with an outer sliding block. The chuck is characterized in that a cavity is formed in the chuck body, and the first clamping cylinder body and the first piston are arranged in the cavity. The automatic rear-mounted chuck drives the first clamping jaw to achieve the purpose of clamping workpieces through the arranged first clamping mechanism, and reduces excessive complex transmission structures in the chuck, so that the fault rate of parts is further reduced, and the clamping work movement is more coherent and smooth and more stable.

Description

Automatic rear-mounted chuck

Technical Field

The utility model relates to a material processing centre gripping technical field specifically is automatic rear-mounted (holding) chuck.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool and is divided into a front chuck, a rear chuck and the like, rear automatic chucks on the existing market are complex in linkage structure, multi-link transmission on one hand is not continuous and synchronous in action, on the other hand, due to too many complex structural modes, the phenomena of precision reduction, frequent failure rate of parts in the structure and the like easily occur in the long-term use process of parts, too many complex transmission structure chucks on the market have few internal spaces, and it is difficult to configure perfect high-requirement mechanical properties (including dust sealing, a lubricating system, rigidity strength, vibration stability, friction and abrasion resistance, power transmission and the like) in a narrow chuck space, so that the clamping work of the chuck is more continuous and smooth in the clamping process of the workpiece, and the automatic rear chuck needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic rear-mounted (holding) chuck to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic rear-mounted chuck comprises a chuck body, wherein a first clamping mechanism is fixedly connected in the middle of one side inside the chuck body, and second clamping mechanisms are fixedly connected to two sides of the inner wall of the chuck body.

First clamping mechanism includes first tight cylinder body of clamp, first tight cylinder body of clamp fixed connection is in the middle of the inside one side of (holding) chuck body, first tight cylinder body one side of clamp is provided with the piston No. one, piston one side fixedly connected with outer guide rail, outer guide rail surface is provided with outer slider, clamping jaw of outer slider one end fixedly connected with No. one, outer slider surface and (holding) chuck body one side sliding connection.

Preferably, a cavity is formed in the chuck body, and the first clamping cylinder and the first piston are both arranged in the cavity.

Preferably, a guide groove is formed in the outer sliding block, one end of the surface of the outer guide rail is connected with the inner portion of the guide groove in a sliding mode, and the outer sliding block is driven to move by the movement of the outer guide rail conveniently.

Preferably, the clamping jaw has two, two the clamping jaw is the symmetric distribution respectively, is convenient for carry out the centre gripping to the work piece through the clamping jaw.

Preferably, the second clamping mechanism comprises a second clamping cylinder body, the second clamping cylinder body is fixedly connected to two sides of the inner wall of the chuck body, one side of the second clamping cylinder body is provided with a second piston, one side of the second piston is fixedly connected with an outer guide rail, an inner sliding block is arranged on the surface of the inner guide rail, one end of the inner sliding block is fixedly connected with a second clamping jaw, and the surface of the inner sliding block is connected with one side of the chuck body in a sliding mode.

Preferably, the number two clamping jaws is two, and the two clamping jaws are symmetrically distributed respectively, so that the two clamping jaws and the first clamping jaw clamp the workpiece together.

Preferably, the inner slide block is internally provided with a second guide groove, one end of the surface of the inner guide rail is connected with the inside of the second guide groove in a sliding manner, and the inner slide block is driven to move by the movement of the inner guide rail.

Compared with the prior art, the utility model provides an automatic rear-mounted (holding) chuck possesses following beneficial effect:

1. this automatic rear-mounted (holding) chuck, through the first clamping mechanism who sets up, the air current gets into first tight cylinder body of clamp and promotes a piston motion, thereby let outer guide rail move under the inside limiting displacement of a guide slot of one end, and let a clamping jaw that outer slider is connected also begin to move, thereby realize letting a clamping jaw carry out the centre gripping clamping operation to the work piece, outer guide rail combines together with a piston and carries out the orbit formula and remove, and directly drive a clamping jaw and reach the centre gripping work piece purpose, and too much complicated transmission structure in the (holding) chuck has been reduced, thereby further reduced the part fault rate, and let the centre gripping motion get up more coherent smoothness, it is more stable.

2. This automatic rear-mounted (holding) chuck, through the second clamping mechanism who sets up, no. two pistons receive pneumatic motion and drive the inner guide rail and move, and when driving interior slider, interior slider drives No. two clamping jaws of connecting and also follows the motion to press from both sides tight work piece to the centre of a circle linear motion of (holding) chuck one side simultaneously through two sets of clamping jaws, and let work piece automatic alignment (holding) chuck one side center, and improve the position precision who presss from both sides tight back work piece to the centre of a circle according to this structure.

Drawings

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

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

FIG. 2 is a schematic view of a first clamping jaw and a second clamping jaw of the present invention;

fig. 3 is a schematic cross-sectional view of the first clamping mechanism of the present invention;

fig. 4 is a schematic cross-sectional view of a second clamping mechanism of the present invention.

In the figure: 1. a chuck body; 2. a first clamping mechanism; 21. a first clamping cylinder; 22. a piston I; 23. an outer guide rail; 24. an outer slide block; 25. a first clamping jaw; 26. a first guide groove; 3. a second clamping mechanism; 31. a second clamping cylinder; 32. a piston II; 33. an inner guide rail; 34. an inner slide block; 35. a second clamping jaw; 36. and a second guide groove.

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 work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The utility model provides a following technical scheme:

example one

With reference to fig. 2 to 4, the automatic rear-mounted chuck includes a chuck body 1, a first clamping mechanism 2 is fixedly connected to the middle of one side inside the chuck body 1, and second clamping mechanisms 3 are fixedly connected to two sides of the inner wall of the chuck body 1;

first clamping mechanism 2 includes first tight cylinder body 21 of clamp, first tight cylinder body 21 fixed connection is in the middle of the inside one side of (holding) chuck body 1, first tight cylinder body 21 one side of clamp is provided with piston 22 No. one, piston 22 one side fixedly connected with outer guide rail 23, outer guide rail 23 surface is provided with outer slider 24, clamping jaw 25 of 24 one end fixedly connected with of outer slider, outer slider 24 surface and (holding) chuck body 1 one side sliding connection, the cavity has been seted up to (holding) chuck body 1 inside, first tight cylinder body 21 of clamp, a piston 22 all sets up in the cavity, guide slot 26 has been seted up to outer slider 24 inside, outer guide rail 23 surface one end and the inside sliding connection of guide slot 26.

Furthermore, the number one clamping jaw 25 has two, two clamping jaws 25 are the symmetric distribution respectively, the air current gets into first clamping cylinder body 21 and promotes the motion of piston 22 No. one, thereby let outer guide rail 23 move under the limiting displacement of a guide slot 26 inside of one end, and let a clamping jaw 25 that outer slider 24 connects also begin to move, thereby realize letting a clamping jaw 25 carry out the centre gripping clamping operation to the work piece, outer guide rail 23 combines together with piston 22 and carries out the orbit formula removal, and directly drive a clamping jaw 25 and reach the centre gripping work piece purpose, and too much complicated drive structure in the (holding) chuck has been reduced, thereby further reduced the part fault rate, and let the centre gripping work motion get up more coherent and smooth, it is more stable.

Example two

Referring to fig. 1-4, on the basis of the first embodiment, the second clamping mechanism 3 further includes a second clamping cylinder 31, the second clamping cylinder 31 is fixedly connected to two sides of the inner wall of the chuck body 1, one side of the second clamping cylinder 31 is provided with a second piston 32, one side of the second piston 32 is fixedly connected to an outer guide rail 23, the surface of the inner guide rail 33 is provided with an inner slide block 34, one end of the inner slide block 34 is fixedly connected to a second clamping jaw 35, the surface of the inner slide block 34 is slidably connected to one side of the chuck body 1, the number of the second clamping jaws 35 is two, and the two second clamping jaws 35 are respectively and symmetrically distributed.

Further, no. two guide slots 36 have been seted up to interior slider 34 inside, the inside sliding connection of inner rail 33 surface one end and No. two guide slots 36, no. two pistons 32 receive pneumatic motion and drive inner rail 33 and move, and when driving interior slider 34, interior slider 34 drives No. two clamping jaws 35 of connecting and also follows the motion, thereby press from both sides tight work piece to the centre of a circle linear motion in (holding) chuck one side simultaneously through two sets of clamping jaws, and let work piece automatic alignment (holding) chuck one side center, and improve the position accuracy of clamping the tight back work piece according to this structure.

In the actual operation process, the second clamping cylinder 31 and the second piston 32 are located in the cavity, the first clamping jaw 25 and the second clamping jaw 35 are distributed in a cross shape, when the device is used, the air passages between the chuck body 1 and the first clamping cylinder 21 and the second clamping cylinder 31 are arranged and communicated, the air passages between the first clamping cylinder 21 and the second clamping cylinder 31 are communicated, so that when the chuck body 1 works, air flow can be simultaneously brought into the first clamping cylinder 21 and the second clamping cylinder 31, the first clamping cylinder 21 and the second clamping cylinder 31 are caused to work simultaneously, respectively, when the air flow enters into the chuck body 1, the air pressure enters into the first clamping cylinder 21, the air pressure in the first clamping cylinder 21 pushes the first piston 22, the air flow correspondingly flows to the second clamping cylinder 31 to push the second piston 32, the first piston 22 moves under the air pressure, the outer guide rail 23 is driven to move under the action of the first guide groove 26 at one end of the outer guide rail 23, the outer guide rail 23 drives the outer guide rail 24 to move, the outer guide rail 24 and the inner guide rail 24 and drives the inner guide rail 24 to move, the inner guide rail 34 of the chuck to move, and the inner guide rail 34 and the workpiece, the workpiece is driven by the inner guide rail 34, the outer guide rail and the workpiece, the workpiece is driven by the inner guide rail 34, the workpiece, and the workpiece.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. Automatic rear-mounted (ing) formula (holding) chuck, including (holding) chuck body (1), its characterized in that: a first clamping mechanism (2) is fixedly connected to the middle of one side of the inner part of the chuck body (1), and second clamping mechanisms (3) are fixedly connected to the two sides of the inner wall of the chuck body (1);

first clamping mechanism (2) are including first tight cylinder body (21) of clamp, first tight cylinder body (21) of clamp fixed connection is in the middle of (1) inside one side of (1), first tight cylinder body (21) one side of clamp is provided with piston (22) No. one, piston (22) one side fixedly connected with outer guide rail (23), outer guide rail (23) surface is provided with outer slider (24), no. one clamping jaw (25) of outer slider (24) one end fixedly connected with, outer slider (24) surface and (1) one side sliding connection of (1).

2. The automatic rear chuck as set forth in claim 1, wherein: the chuck is characterized in that a cavity is formed in the chuck body (1), and the first clamping cylinder body (21) and the first piston (22) are arranged in the cavity.

3. The automatic rear chuck as set forth in claim 1, wherein: a first guide groove (26) is formed in the outer sliding block (24), and one end of the surface of the outer guide rail (23) is connected with the inner portion of the first guide groove (26) in a sliding mode.

4. The automatic rear chuck according to claim 1, wherein: the first clamping jaw (25) is provided with two clamping jaws, and the two clamping jaws (25) are symmetrically distributed respectively.

5. The automatic rear chuck as set forth in claim 1, wherein: second clamping mechanism (3) press from both sides tight cylinder body (31) including the second, second presss from both sides tight cylinder body (31) fixed connection in (holding) chuck body (1) inner wall both sides, second presss from both sides tight cylinder body (31) one side and is provided with piston (32) No. two, piston (32) one side fixedly connected with outer guide rail (23), and institute inner guide rail (33) surface is provided with interior slider (34), clamping jaw (35) No. two of interior slider (34) one end fixedly connected with, interior slider (34) surface and (holding) chuck body (1) one side sliding connection.

6. The automatic rear chuck as set forth in claim 5, wherein: the number two clamping jaws (35) is two, and the number two clamping jaws (35) are symmetrically distributed respectively.

7. The automatic rear chuck as set forth in claim 5, wherein: a second guide groove (36) is formed in the inner sliding block (34), and one end of the surface of the inner guide rail (33) is connected with the inner portion of the second guide groove (36) in a sliding mode.