CN216757660U - Self-locking clamping device for spring chuck - Google Patents
Self-locking clamping device for spring chuck Download PDFInfo
- Publication number
- CN216757660U CN216757660U CN202122967847.5U CN202122967847U CN216757660U CN 216757660 U CN216757660 U CN 216757660U CN 202122967847 U CN202122967847 U CN 202122967847U CN 216757660 U CN216757660 U CN 216757660U
- Authority
- CN
- China
- Prior art keywords
- pipe
- chuck
- collet
- trolley
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of spring chuck devices on pipe mills, and discloses a spring chuck self-locking clamping device which comprises a pipe mill, a trolley and an outer cylinder, wherein the trolley is positioned on one side of the pipe mill, the outer cylinder is arranged on one side, close to the pipe mill, of the trolley, and one end of the outer cylinder is fixedly connected with a mounting flange. The spring chuck self-locking clamping device drives a chuck to clamp a pipe blank through a seven-degree inclined plane by utilizing the pretightening force of a spring, when a trolley moves, the other end of the pipe blank is positioned in a pipe rolling machine, the trolley drives an outer cylinder to move in the same direction, at the moment, the collet chuck and the trolley move in the same direction through the clamping of a bolt and a clamping hole, the clamping force of the pipe blank by the pipe rolling machine and the forward feeding force of the trolley are utilized, meanwhile, the collet chuck moves forwards to enable the conical surface at the end of the collet chuck to compress the inclined plane at the joint of the collet chuck and a pipe barrel, and meanwhile, the pipe blank is pressed against a top plate by one end of the pipe blank under the clamping force of the pipe rolling machine.
Description
Technical Field
The utility model relates to the technical field of spring chuck devices on pipe mills, in particular to a spring chuck self-locking clamping device.
Background
The cold pilger mill is a process equipment for cold rolling pierced billets by utilizing an annular hole shape, has better cogging performance, can roll nonferrous metal seamless tubes with common precision, has the biggest characteristic of high material utilization rate, and has better precision and surface roughness than cold drawn tubes, and a spring clamping head is required to clamp and fix the pierced billets in the using process of the cold pilger mill.
When the spring chuck on the existing cold pilger mill is used, when a pipe blank is clamped into the spring chuck, the spring chuck needs to be manually operated to ensure that the pipe blank is clamped by the spring chuck, the stability of the pipe blank during cold rolling is ensured, and the working efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a spring chuck self-locking clamping device which has the advantage of self-locking clamping of a pipe blank and solves the problems in the background technology.
The utility model provides the following technical scheme: the spring chuck self-locking clamping device comprises a pipe rolling mill, a trolley and an outer barrel, wherein the trolley is located on one side of the pipe rolling mill, the outer barrel is arranged on one side, close to the pipe rolling mill, of the trolley, one end of the outer barrel is fixedly connected with an installation flange, the installation flange is fixedly connected with a main shaft end of the trolley through a screw, a collet chuck is sleeved in the outer barrel, a pipe barrel is sleeved in the collet chuck, a chuck is fixedly connected with one end of the pipe barrel, a seven-degree inclined plane is arranged on the outer surface of the joint of the chuck and the pipe barrel, a clearance groove is formed in the side wall of the chuck, and the clearance groove extends to the side wall of the pipe barrel.
Preferably, the inner wall surface of one end of the collet chuck close to the chuck is a conical surface, and the conical surface is attached to the inclined surface of the outer surface of the joint of the chuck and the pipe barrel.
Preferably, bolts are inserted in both sides of the cylinder wall of the outer cylinder in a threaded manner, clamping holes are formed in both side surfaces of the cylinder wall of the collet chuck, and the end of the outer cylinder is clamped into the clamping holes.
Preferably, one end of the pipe barrel, which is far away from the chuck, is fixedly connected with a bottom plate, the surface of one side of the bottom plate is fixedly connected with an elastic spring, the elastic spring is positioned in the pipe barrel, the other end of the elastic spring is fixedly connected with a top plate, the top plate is in sliding connection with the inner wall of the pipe barrel, and the top plate is positioned at one side of the clearance groove.
Preferably, one end of the collet chuck is fixedly connected with a mounting plate, one end of the mounting plate is fixedly connected with an oil cylinder, and the output end of the oil cylinder is fixedly connected with the surface of one side of the bottom plate through a connecting rod.
Preferably, the inner diameter of the chuck is smaller than that of the pipe barrel, and the inner wall surface of the chuck is provided with a plurality of anti-slip grooves.
Compared with the prior art, the utility model has the following beneficial effects: a self-locking clamping device of a spring chuck drives a chuck to clamp a pipe blank through a seven-degree inclined plane by utilizing the pretightening force of a spring, when a trolley moves, the other end of the pipe blank is positioned in a pipe rolling machine, the trolley drives an outer cylinder to move in the same direction, at the moment, the collet chuck and the trolley move in the same direction through the clamping connection of a bolt and a clamping hole, the binding force of the pipe rolling machine on the pipe blank and the forward feeding force of the trolley are utilized, meanwhile, the collet chuck moves forwards to enable a conical surface at the end of the collet chuck to compress the inclined plane at the joint of the collet chuck and a pipe barrel, meanwhile, the pipe blank is subjected to the binding force of the pipe rolling machine to enable one end of the pipe blank to have pressure on a top plate, so that the spring is pressed to have elasticity on a bottom plate, the collet is driven to have a force opposite to the moving direction of the trolley, the pipe blank is self-locked and clamped, when the collet chuck is loosened, an oil cylinder is used for pressing the bottom plate to apply an acting force on the pipe barrel, the pretightening force of the collet chuck is removed, and meanwhile, the retreating force of the trolley is utilized, the conical surface of the end of the collet chuck is separated from the inclined surface at the joint of the chuck and the pipe barrel, so that the chuck is loosened in a free state.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the outer barrel of the present invention;
FIG. 3 is a schematic view of the collet structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention.
In the figure: 1. a pipe mill; 2. a trolley; 3. an outer cylinder; 4. installing a flange; 5. a bolt; 6. a collet; 7. a clamping hole; 8. mounting a plate; 9. an oil cylinder; 10. a tube barrel; 11. a chuck; 12. a base plate; 13. a top plate; 14. an elastic spring; 15. a clearance groove; 16. a connecting rod; 17. and (4) an anti-slip groove.
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. 1-4, the collet chuck self-locking clamping device includes a tube rolling mill 1, a trolley 2, an outer cylinder 3, the trolley 2 is located at one side of the tube rolling mill 1, the outer cylinder 3 is located at one side of the trolley 2 close to the tube rolling mill 1, an installation flange 4 is fixedly connected to one end of the outer cylinder 3, the installation flange 4 is fixedly connected to a main shaft end of the trolley 2 through a screw, a collet chuck 6 is sleeved in the outer cylinder 3, a tube barrel 10 is sleeved in the collet chuck 6, a collet 11 is fixedly connected to one end of the tube barrel 10, a seven-degree inclined plane is arranged on an outer surface of a joint of the collet chuck 11 and the tube barrel 10, a clearance groove 15 is formed on a side wall of the collet chuck 11, the clearance groove 15 extends to the side wall of the tube barrel 10 to provide a deformation space for deformation of the collet chuck 11, an inner wall surface of one end of the collet chuck 6 close to the collet chuck 11 is a conical surface, and the conical surface is attached to the inclined plane on the outer surface of the joint of the collet chuck 11 and the tube barrel 10, the pipe blank is clamped by reducing the deformation inner diameter of the chuck 11 through the extrusion of the inclined plane of the outer surface of the joint of the chuck 11 and the pipe barrel 10 on the conical surface of the collet 6, bolts 5 are inserted into the two sides of the cylinder wall of the outer cylinder 3 in a threaded manner, clamping holes 7 are formed in the two sides of the cylinder wall of the collet 6, the end head of the outer cylinder 3 is clamped into the clamping holes 7, the bolts 5 are clamped with the clamping holes 7, so that the collet 6 and the trolley 2 move in the same direction, the forward feeding force of the pipe rolling mill 1 and the pipe blank and the forward feeding force of the trolley 2 are utilized, meanwhile, the collet 6 moves forwards to enable the conical surface of the end head to compress the inclined plane of the joint of the collet 11 and the pipe barrel 10, one end of the pipe barrel 10 far away from the collet 11 is fixedly connected with a bottom plate 12, one side surface of the bottom plate 12 is fixedly connected with an elastic spring 14, the elastic spring 14 is positioned in the pipe barrel 10, the other end of the elastic spring 14 is fixedly connected with a top plate 13, and the top plate 13 is connected with the inner wall of the pipe barrel 10 in a sliding manner, the top plate 13 is positioned at one side of the clearance groove 15, and the tube blank is subjected to the rolling force of the tube rolling mill 1 so that one end of the tube blank has pressure on the top plate 13, so that the elastic spring 14 is pressed to have elastic force on the bottom plate 12, the chuck 11 is driven to have force opposite to the moving direction of the trolley 2, the tube blank is clamped in a self-locking way, one end of the collet 6 is fixedly connected with a mounting plate 8, one end of the mounting plate 8 is fixedly connected with an oil cylinder 9, the output end of the oil cylinder 9 is fixedly connected with one side surface of a bottom plate 12 through a connecting rod 16, when the tube blank is loosened, the oil cylinder 9 is reversely used for pressing the bottom plate 12 to apply acting force to the tube barrel 10, the conical surface of the end of the collet 6 is separated from the inclined surface at the joint of the chuck 11 and the pipe barrel 10, the pretightening force of the chuck 11 is removed, the inner diameter of the chuck 11 is smaller than that of the pipe barrel 10, and the inner wall surface of the chuck 11 is provided with a plurality of anti-skidding grooves 17, so that the friction force when clamping the pipe blank is greatly improved.
The working principle is as follows: in the device, a chuck 11 is driven by the pretightening force of a spring to clamp a pipe blank through a seven-degree inclined plane, when a trolley 2 moves, the other end of the pipe blank is positioned in a pipe rolling mill 1, the trolley 2 drives an outer cylinder 3 to move in the same direction, at the same time, a collet 6 and the trolley 2 move in the same direction through the clamping connection of a bolt 5 and a clamping hole 7, the rolling force of the pipe rolling mill 1 on the pipe blank and the forward feeding force of the trolley 2 are utilized, simultaneously, the collet 6 moves forward to enable the conical surface at the end of the collet to compress the inclined plane at the joint of the collet 11 and a pipe barrel 10, simultaneously, the pipe blank is pressed by the rolling force of the pipe rolling mill 1 to enable one end of the pipe blank to have pressure on a top plate 13, an elastic spring 14 is pressed on a bottom plate 12 to have elastic force, the chuck 11 is driven to have force opposite to the moving direction of the trolley 2, the pipe blank is clamped in a self-locking way, when the pipe blank is loosened, an oil cylinder 9 is used for reversely compressing the bottom plate 12 to apply acting force on the pipe barrel 10, the pre-tightening force of the chuck 11 is removed, and simultaneously, the back force of the trolley 2 is utilized to separate the conical surface of the end head of the collet 6 from the inclined surface at the joint of the chuck 11 and the pipe barrel 10, so that the chuck 11 is loosened in a free state.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Spring chuck self-locking clamping device, its characterized in that includes: the pipe mill comprises a pipe mill (1), a trolley (2) and an outer barrel (3), wherein the trolley (2) is located on one side of the pipe mill (1), the outer barrel (3) is arranged on one side, close to the pipe mill (1), of the trolley (2), one end of the outer barrel (3) is fixedly connected with an installation flange (4), the installation flange (4) is fixedly connected with a main shaft end of the trolley (2) through a screw, a collet chuck (6) is sleeved in the outer barrel (3), a pipe barrel (10) is sleeved in the collet chuck (6), one end of the pipe barrel (10) is fixedly connected with a collet (11), a seven-degree inclined plane is arranged on the outer surface of a joint of the collet (11) and the pipe barrel (10), a clearance groove (15) is formed in the side wall of the collet (11), and the clearance groove (15) extends to the side wall of the pipe barrel (10).
2. The collet chuck self-locking clamping device of claim 1, further comprising: the inner wall surface of one end of the collet chuck (6) close to the chuck (11) is a conical surface, and the conical surface is attached to the inclined surface of the outer surface of the joint of the chuck (11) and the pipe barrel (10).
3. The collet chuck self-locking clamping device of claim 1, further comprising: bolts (5) are inserted in the two sides of the cylinder wall of the outer cylinder (3) in a threaded manner, clamping holes (7) are formed in the surfaces of the two sides of the cylinder wall of the collet (6), and the end head of the outer cylinder (3) is clamped into the clamping holes (7).
4. The collet chuck self-locking clamping device of claim 1, further comprising: one end, far away from the chuck (11), of the pipe barrel (10) is fixedly connected with a bottom plate (12), the surface of one side of the bottom plate (12) is fixedly connected with an elastic spring (14), the elastic spring (14) is located in the pipe barrel (10), the other end of the elastic spring (14) is fixedly connected with a top plate (13), the top plate (13) is in sliding connection with the inner wall of the pipe barrel (10), and the top plate (13) is located on one side of a clearance groove (15).
5. The collet chuck self-locking clamping device of claim 1, further comprising: one end of the collet (6) is fixedly connected with a mounting plate (8), one end of the mounting plate (8) is fixedly connected with an oil cylinder (9), and the output end of the oil cylinder (9) is fixedly connected with one side surface of the bottom plate (12) through a connecting rod (16).
6. The collet chuck self-locking clamping device of claim 1, further comprising: the inner diameter of the chuck (11) is smaller than that of the pipe barrel (10), and a plurality of anti-skidding grooves (17) are formed in the surface of the inner wall of the chuck (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967847.5U CN216757660U (en) | 2021-11-30 | 2021-11-30 | Self-locking clamping device for spring chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967847.5U CN216757660U (en) | 2021-11-30 | 2021-11-30 | Self-locking clamping device for spring chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216757660U true CN216757660U (en) | 2022-06-17 |
Family
ID=81964843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122967847.5U Active CN216757660U (en) | 2021-11-30 | 2021-11-30 | Self-locking clamping device for spring chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216757660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054519A (en) * | 2021-11-30 | 2022-02-18 | 上海攀枝花机械制造有限公司 | Self-locking clamping device for spring chuck |
-
2021
- 2021-11-30 CN CN202122967847.5U patent/CN216757660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054519A (en) * | 2021-11-30 | 2022-02-18 | 上海攀枝花机械制造有限公司 | Self-locking clamping device for spring chuck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210649679U (en) | Clamping device for seamless steel tube | |
| CN208196221U (en) | A kind of lathe slide plate brick clamper | |
| CN102091953A (en) | Thin-walled corrugated sleeve centering device | |
| CN216757660U (en) | Self-locking clamping device for spring chuck | |
| CN104511664B (en) | High-accuracy elastic clamping tool | |
| CN114054519A (en) | Self-locking clamping device for spring chuck | |
| CN112620369B (en) | Processing device for high-performance stainless steel seamless steel pipe | |
| CN213378524U (en) | Steel pipe cold rolling mill | |
| CN101108406A (en) | Material returning device of spin-forging machine | |
| CN212551069U (en) | Extrusion tool for metal processing | |
| CN215965550U (en) | Clamping and fixing device in cold drawn pipe production process | |
| CN214721019U (en) | Cutting device is used in production of accurate tubular product | |
| CN210388447U (en) | Device for realizing rapid clamping of swash plate | |
| CN104440752B (en) | A kind of Efficient installation method of large_sized hydraulic cylinder piston Glais ring | |
| CN215701120U (en) | High-efficiency workpiece self-taking clamping jaw | |
| CN111421012A (en) | Extrusion tool for metal processing | |
| CN221361903U (en) | Cold pilger mill gyration case | |
| CN216657119U (en) | Auxiliary positioning tool | |
| CN211350223U (en) | Smooth aluminum sleeve pressing device | |
| CN212526728U (en) | Brake caliper brake piston grabber | |
| CN205166761U (en) | Heavy -calibre wall thickness steel pipe axial impels self -tightening device | |
| CN214945415U (en) | Piston rod of oil cylinder for agricultural machine with quick connecting mechanism | |
| CN215314951U (en) | Follow-up support roller and roller press | |
| CN211760720U (en) | Shoulder pole type device for honing open deep-hole parts | |
| CN218855678U (en) | Fixed-point perforating machine for copper processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |