CN212822760U

CN212822760U - Quick clamping device

Info

Publication number: CN212822760U
Application number: CN202020917613.2U
Authority: CN
Inventors: 黄涛; 高鸿毅; 陈金法
Original assignee: Sinoto Instrument Suzhou Co ltd
Current assignee: Sinoto Instrument Suzhou Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-30
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a quick clamping device relates to machining technical field. In this application, quick clamping device includes: the involute chuck is arranged in a circular shape, a through hole is formed in the involute chuck, and a circular ring groove is formed in the surface of the involute chuck and is lower than the surface of the involute chuck; the jaw seat is arranged on the right side of the involute chuck, and the left end of the jaw seat is attached to the right end of the involute chuck; the check ring is arranged on the left side of the involute chuck; the threaded shaft is arranged in the involute chuck, a circular through hole is formed in the center of the threaded shaft, and three circular grooves are formed in the periphery of the circular through hole of the threaded shaft; the thread sleeve is arranged on the left side of the involute chuck, the thread sleeve is attached to the involute chuck, and a circular groove is formed in the surface of the thread sleeve; the jack catch sets up in jack catch seat right side. The utility model is used for prevent that the unable quick effectual butt joint of going on to the pipe fitting is fixed, problem that machining efficiency is low during welding of among the prior art worker clamping pipe fitting.

Description

Quick clamping device

Technical Field

The utility model relates to the technical field of machining, in particular to quick clamping device.

Background

When used for transporting articles, the pipe is designed into various shapes, and the pipe with various shapes or too long length is inconvenient for direct production, so the pipe is usually divided into a plurality of sections, and then the two sections of pipe are welded.

When the traditional welding mode is used for welding the conical pipe and the body pipe, the degree of freedom of the conical circular pipe needs to be limited to ensure the static state of the conical circular pipe.

At present, a conventional three-jaw chuck is used, three holes are screwed by an inner hexagonal wrench to enable jaws to move along the radial direction to fasten a conical pipe, although the operation method can be used for centering and can limit the movement of the conical pipe, the operation of a tool clamp is complex, the production efficiency is low, and the purpose of clamping and loosening the conical pipe is achieved by screwing three inner hexagonal holes by using a special inner hexagonal tool to enable the jaws to move along the radial direction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick clamping device for it is fixed that unable quick effectual butt joint is carried out to the pipe fitting when solving among the prior art workman's clamping pipe fitting welding, problem that machining efficiency is low.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: a quick-attach clamp comprising: the involute chuck is arranged in a circular shape, a through hole is formed in the involute chuck, the through hole is arranged in the involute chuck in a circular shape, and a circular ring groove is formed in the surface of the involute chuck and is lower than the surface of the involute chuck; the jaw seat is arranged on the right side of the involute chuck, and the left end of the jaw seat is attached to the right end of the involute chuck; the check ring is arranged on the left side of the involute chuck, and a distance is formed between the check ring and the left side of the involute chuck; the thread shaft is arranged inside the involute chuck, the thread shaft and the involute chuck form the same circle center, a circular through hole is formed in the circle center of the thread shaft, and three circular grooves are further formed in the periphery of the circular through hole of the thread shaft; the thread sleeve is arranged on the left side of the involute chuck, the thread sleeve is attached to the involute chuck, and a circular groove is formed in the surface of the thread sleeve; the jack catch sets up in this jack catch seat right side, and this jack catch is connected with this jack catch seat cooperation.

In above-mentioned technical scheme, this application embodiment can't be fast effectual when solving among the prior art workman's clamping pipe welding butt joint fixed to the pipe fitting, the problem that machining efficiency is low, through the jack catch seat, the chuck that gradually bursts at the seams, the jack catch, thereby it makes jack catch radial movement promptly the pipe to rotate the chuck that gradually bursts at the seams, rotate the thread bush behind the jack catch presss from both sides tight pipe, make the thread bush press from both sides tightly the chuck that gradually bursts at the seams, thereby make the chuck that gradually bursts at the seams fixed prevent to take place the skew, such setting makes frock simple structure compact, convenient operation can adapt.

Further, in the embodiment of the present invention, the jaw seat is provided in a sector shape, and the jaw seat is provided with three jaw seats, and three jaw seats form a complete circle.

Furthermore, in the embodiment of the present invention, a space is left between three of the jaw seats, and the space between the three jaw seats is used for connecting the jaws; the surface of the clamping jaw seat is provided with a circular through hole, and the circular through hole of the clamping jaw seat is matched with the circular groove of the threaded shaft.

Further, in the embodiment of the present invention, the outer side surface of the claw seat is provided with a rectangular slider, the outer side surface of the claw is provided with a rectangular groove, and the rectangular slider of the claw seat is matched with the rectangular groove of the claw.

Further, in the embodiment of the present invention, the screw shaft is fixed to the claw seat by driving a screw into a circular groove of the screw shaft through a circular through hole of the claw seat.

Further, in the embodiment of the present invention, the circular groove of the thread bushing is attached to the circular convex column on the left surface of the involute chuck, and the right surface of the thread bushing is attached to the left surface of the involute chuck; the inner wall surface of the circular groove of the thread sleeve is clamped with the outer wall surface of the circular convex column of the involute chuck.

Further, in the embodiment of the present invention, the circular groove of the thread bushing and the circular convex column of the involute chuck cooperate to form an extra space, and the retainer ring is located inside the extra space.

Further, in the embodiment of the present invention, the sector of the jaw seat is spread out at 120 degrees.

Further, in the embodiment of the present invention, the rectangular groove of the claw is matched with the rectangular slider of the claw seat for the claw to move along the extending direction of the rectangular slider of the claw seat.

Further, in the embodiment of the present invention, the thread bush, the involute chuck and the outer surface of the jaw seat are provided with a knurling process.

The utility model has the advantages that: first, the utility model discloses a quick clamping device is unable quick effectual butt joint when solving among the prior art workman's clamping pipe fitting welding and is fixed to the pipe fitting, the problem that machining efficiency is low, through the jaw seat, the chuck that gradually bursts at the seams, the jack catch, thereby it makes jack catch radial movement promptly the pipe to rotate the chuck that gradually bursts at the seams, rotate the thread bush behind the jack catch presss from both sides tight pipe, make the thread bush press from both sides tight chuck that gradually bursts at the seams, thereby make the chuck that gradually bursts at the seams fixed prevent to take place the skew, such setting makes frock simple structure compact, convenient operation can.

Through gradually opening seam chuck and screw shaft hole axle clearance fit in order to guarantee the chuck pivoted precision that gradually opens seam, prevent that the radial drunkenness of gradually opening seam chuck is too big, thread bush and screw shaft thread fit through clockwise rotation thread bush, can compress tightly the chuck that gradually opens seam and prevent its rotation, reach the effect of locking to indirect can prevent the radial movement of jack catch.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is an internal cross-sectional schematic view of a quick clamping device according to an embodiment of the present invention.

Fig. 2 is an external cross-sectional schematic view of the quick clamping device according to the embodiment of the present invention.

Fig. 3 is a disassembly schematic diagram of the quick clamping device according to the embodiment of the present invention.

1. Thread bush 2, involute chuck 3 and jaw seat

4. Jaw 5, screw 6, threaded shaft

7. Retaining ring 21, circular groove

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, the embodiment discloses a quick clamping device, which includes: the involute chuck 2 is circularly arranged, a through hole is arranged in the involute chuck 2 and is arranged in the circle center, a circular groove 21 is arranged on the surface of the involute chuck 2, and the circular groove 21 is lower than the surface of the involute chuck 2; the jaw seat 3 is arranged on the right side of the involute chuck 2, and the left end of the jaw seat 3 is attached to the right end of the involute chuck 2; the check ring 7 is arranged on the left side of the involute chuck 2, and a distance is formed between the check ring 7 and the left side of the involute chuck 2; the thread shaft 6 is arranged inside the involute chuck 2, the thread shaft 6 and the involute chuck 2 are in the same circle center, a circular through hole is formed in the circle center of the thread shaft 6, and three circular grooves are further formed in the periphery of the circular through hole of the thread shaft 6; the thread sleeve 1 is arranged on the left side of the involute chuck 2, the thread sleeve 1 is attached to the involute chuck 2, and a circular groove is formed in the surface of the thread sleeve 1; jack catch 4, jack catch 4 set up on 3 right sides of jack catch seat, and jack catch 4 is connected with 3 cooperations of jack catch seat.

In order to solve among the prior art workman clamping pipe fitting welding unable quick effectual butt joint fixed to the pipe fitting, the problem that machining efficiency is low, through the jack catch seat 3, the chuck 2 that gradually bursts at the seams, the jack catch 4, thereby it makes 4 radial movement of jack catch 4 promptly the pipe to rotate the chuck 2 that gradually bursts at the seams, it is 1 to rotate the thread bush after 4 tight pipes of jack catch clamp, make 1 tight chuck 2 that gradually bursts at the seams of thread bush press from both sides, thereby make 2 fixed the preventing emergence skew of chuck that gradually bursts at the seams, such setting makes frock simple structure compact, convenient operation can adapt to different clamp. Simultaneously, the structure of the device can quickly clamp the round pipe, and machining efficiency is improved.

Specifically, the claw seats 3 are arranged in a fan shape, three claw seats 3 are arranged, and the three claw seats 3 form a complete circle.

Specifically, a space is reserved among the three jaw seats 3, and the space among the three jaw seats 3 is used for connecting the jaws 4; the surface of the clamping jaw seat 3 is provided with a circular through hole, and the circular through hole of the clamping jaw seat 3 is matched with the circular groove of the threaded shaft 6.

Specifically, the outer side surface of the jaw seat 3 is provided with a rectangular sliding block, the outer side surface of the jaw 4 is provided with a rectangular groove, and the rectangular sliding block of the jaw seat 3 is matched with the rectangular groove of the jaw 4.

Specifically, the jaw seat 3 and the threaded shaft 6 are fixed by a screw 5 which is driven into a circular groove of the threaded shaft 6 through a circular through hole of the jaw seat 3.

Specifically, a circular groove of the threaded sleeve 1 is attached to a circular convex column on the left surface of the involute chuck 2, and the right surface of the threaded sleeve 1 is attached to the left surface of the involute chuck 2; the inner wall surface of the circular groove of the thread bush 1 is clamped with the outer wall surface of the circular convex column of the involute chuck 2.

Specifically, the circular groove of the thread bush 1 is matched with the circular convex column of the involute chuck 2 to form an extra space, and the check ring 7 is positioned in the extra space.

Specifically, the sector of the pawl seat 3 is spread out at 120 degrees.

Specifically, the rectangular groove of the jaw 4 is matched with the rectangular sliding block of the jaw seat 3, so that the jaw 4 moves along the extending direction of the rectangular sliding block of the jaw seat 3.

Specifically, the outer surfaces of the threaded sleeve 1, the involute chuck 2 and the jaw seat 3 are provided with knurling treatment.

Rectangular grooves formed in the jaw 4 and rectangular grooves formed in the jaw seat 3 are matched with the jaw 4 to move on the jaw seat 3 in the radial direction, and involute spiral wire coils are arranged on the involute chuck 2 and the jaw 4 and form a plane spiral. When the involute chuck 2 is rotated, the clamping jaws 4 can move along the radial direction of the clamping jaw seat 3, so that the circular tube can be clamped and released. The threaded shaft 6 is fixedly connected with the jaw seat 3 through a screw 5, and the involute chuck 2 is in clearance fit with the hole shaft of the threaded shaft 6 so as to ensure the rotating precision of the involute chuck 2 and prevent the involute chuck from moving too much in the radial direction.

Thread bush

1 and 6 screw-thread fits of threaded spindle, through clockwise rotation thread bush 1, can compress tightly involute chuck 2 and prevent its rotation, reach the purpose of locking, the indirect radial movement that can prevent jack catch 4. The outer surfaces of the threaded sleeve 1, the involute chuck 2 and the jaw seat 3 are subjected to knurling treatment, so that the friction force during rotation is increased. The threaded shaft 6 is provided with a groove for installing a check ring 7, and the check ring 7 is used for preventing the involute viewing disc from easily separating from the clamping jaws 4 due to excessive movement to the left side when the involute viewing disc rotates.

When the clamping device is used, the jaw seat 3 is manually held, the involute chuck 2 is rotated clockwise, the jaw 4 can move radially in the jaw seat 3 to grasp a round tube, after the round tube is clamped, the jaw seat 3 is manually held, the thread sleeve 1 is rotated clockwise, the thread sleeve 1 is enabled to clamp the involute chuck 2, and the involute chuck 2 is prevented from rotating. Conversely, the involute chuck 2 is loosened by rotating the thread bush 1 counterclockwise when the circular tube is loosened. The involute chuck 2 is rotated counterclockwise to move the jaws 4 in a radial direction, thereby loosening the pipe.

The utility model discloses a quick clamping device is unable quick effectual butt joint fixed to the pipe fitting when solving among the prior art workman's clamping pipe fitting welding, the problem that machining efficiency is low, through the jack catch seat 3, the chuck 2 that gradually bursts at the seams, the jack catch 4, thereby it makes 4 radial movement of jack catch promptly the pipe to rotate the chuck 2 that gradually bursts at the seams, 4 tight pipe back rotation thread bush 1 of jack catch, make 1 tight chuck 2 that gradually bursts at the seams of thread bush clamp, thereby make 2 fixed the preventing emergence skew of chuck that gradually bursts at the seams, such setting makes frock simple structure compact, convenient operation can adapt to different clamp forces simultaneously.

Through 6 hole axle clearance fit in order to guarantee the chuck 2 pivoted precision that gradually bursts at the seams through chuck 2 and threaded shaft gradually bursts at the seams, prevent that the chuck 2 that gradually bursts at the seams is too big, and threaded

sleeve

1 and 6 screw-thread fit of threaded shaft through clockwise rotation threaded sleeve 1, can compress tightly chuck 2 that gradually bursts at the seams and prevent its rotation, reach the effect of locking to indirect radial movement that can prevent jack catch 4.

Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims

1. A quick clamping device, comprising:

the involute chuck is circularly arranged, a through hole is formed in the involute chuck and is circularly arranged, a circular ring groove is formed in the surface of the involute chuck and is lower than the surface of the involute chuck;

the jaw seat is arranged on the right side of the involute chuck, and the left end of the jaw seat is attached to the right end of the involute chuck;

the check ring is arranged on the left side of the involute chuck, and a distance is formed between the check ring and the left side of the involute chuck;

the thread shaft is arranged inside the involute chuck, the thread shaft and the involute chuck form the same circle center, a circular through hole is formed in the circle center of the thread shaft, and three circular grooves are further formed in the periphery of the circular through hole of the thread shaft;

the thread sleeve is arranged on the left side of the involute chuck, the thread sleeve is attached to the involute chuck, and a circular groove is formed in the surface of the thread sleeve;

the jack catch, the jack catch sets up the jack catch seat right side, the jack catch with the jack catch seat cooperation is connected.

2. A quick clamping device as claimed in claim 1, wherein the said jaw base is arranged in a sector shape, and there are three said jaw bases, which form a complete circle.

3. A quick clamping device as claimed in claim 2, wherein, three said jaw seats are spaced, and the spacing between three said jaw seats is used for connecting said jaws;

the surface of the clamping jaw seat is provided with a circular through hole, and the circular through hole of the clamping jaw seat is matched with the circular groove of the threaded shaft.

4. The quick clamping device according to claim 3, wherein the outer side surface of the jaw seat is provided with a rectangular sliding block, the outer side surface of the jaw is provided with a rectangular groove, and the rectangular sliding block of the jaw seat is matched with the rectangular groove of the jaw.

5. The quick clamping device according to claim 3, wherein the jaw seat and the threaded shaft are fixed by screwing a screw into a circular groove of the threaded shaft through a circular through hole of the jaw seat.

6. The quick clamping device according to claim 1, wherein a circular groove of the threaded sleeve is attached to a circular convex column on the left surface of the involute chuck, and the right surface of the threaded sleeve is attached to the left surface of the involute chuck;

the inner wall surface of the circular groove of the threaded sleeve is clamped with the outer wall surface of the circular convex column of the involute chuck.

7. The quick clamping device according to claim 6, wherein the circular groove of the threaded sleeve and the circular convex column of the involute chuck are matched to form an excess space, and the retainer ring is located in the excess space.

8. A quick clamp as claimed in claim 2, wherein the sector of the jaw receptacle is 120 degrees spread apart.

9. A quick clamping device according to claim 4, wherein the rectangular groove of the clamping jaw is matched with the rectangular sliding block of the clamping jaw seat for the clamping jaw to move along the extending direction of the rectangular sliding block of the clamping jaw seat.

10. The quick clamping device according to claim 1, wherein the threaded sleeve, the involute chuck and the jaw seat are provided with knurling on the outer surfaces.