CN215239506U

CN215239506U - Turning clamp for exhaust pipe of supercharger

Info

Publication number: CN215239506U
Application number: CN202122854625.2U
Authority: CN
Inventors: 佟雷; 佟宝义
Original assignee: Shenyang Chuangxin Huaxia Machinery Manufacturing Co ltd
Current assignee: Shenyang Chuangxin Huaxia Machinery Manufacturing Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2021-12-21
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to the technical field of machining, in particular to a turning clamp for a supercharger exhaust pipe, which comprises a chuck, a front center, an internal expansion type clamp and a rear center; interior expanding anchor clamps include the anchor clamps pole, the ejector pin, the kicking block, stopper and reset spring, the gas outlet of blast pipe is stretched into to the one end of anchor clamps pole, the axial slide opening has been seted up to the other end of anchor clamps pole, it is equipped with the ejector pin to slide in the axial slide opening, the radial slide opening with the axial slide opening intercommunication is seted up to the outer wall of anchor clamps pole, it is equipped with the kicking block to slide in the radial slide opening, the one end of ejector pin is the circular conical surface, the one end of kicking block is the inclined plane identical with the circular conical surface, kicking block fixed connection stopper, the fixed reset spring that is equipped with between the outer wall of stopper and anchor clamps pole. The utility model discloses compact structure, convenient assembling realizes the stable centre gripping of blast pipe through chuck, preceding top, interior expanding fixture and back top, and the blast pipe clamping is simple, improves the turning operating efficiency.

Description

Turning clamp for exhaust pipe of supercharger

Technical Field

The utility model relates to a machining technical field specifically is a booster blast pipe turning anchor clamps.

Background

The end face and the inner hole of the air outlet of the exhaust pipe of the supercharger need to be precisely matched with other parts of the supercharger, so that the end face and the inner hole of the air outlet of the exhaust pipe of the supercharger need to be turned and finished. At present, the exhaust pipe of the supercharger has a complex appearance and is also blank positioning, and the positioning by using a common clamp is difficult and the efficiency is low.

Disclosure of Invention

An object of the utility model is to provide a booster blast pipe turning anchor clamps to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a turning clamp for an exhaust pipe of a supercharger comprises a chuck, a front center, an internal expansion type clamp and a rear center which are sequentially arranged on a turning lathe in a straight line manner;

the inner expansion type clamp comprises a clamp rod, an ejector block, a limiting block and a reset spring, wherein one end of the clamp rod, close to the front center, extends into a gas outlet of an exhaust pipe, one end of the clamp rod, close to the rear center, is provided with an axial sliding hole, the ejector rod is arranged in the axial sliding hole in a sliding manner, the outer wall of the clamp rod is at least provided with three radial sliding holes communicated with the axial sliding hole, the ejector block is arranged in the radial sliding hole in a sliding manner, one end of the ejector rod, close to the front center, is a conical surface, one end of the ejector block, extending into the axial sliding hole, is an inclined surface matched with the conical surface, the outer wall of the ejector block, extending out of the clamp rod, is fixedly connected with the limiting block, and the reset spring is fixedly arranged between the limiting block and the outer wall of the clamp rod;

the ejector rod is abutted against the tip of the rear center, the chuck clamps the front center, a process hole is formed in the outer wall of the exhaust pipe and located on the axis of the air outlet of the exhaust pipe, and the tip of the front center is abutted against the process hole.

Optionally, the outer wall of the clamp rod extending out of the gas outlet of the exhaust pipe is sequentially provided with a threaded pipe seat and a centering sleeve, the threaded pipe seat is fixedly connected with the clamp rod, the centering sleeve is movably sleeved with the clamp rod, one end of the centering sleeve is provided with an external thread matched with the threaded pipe seat, and the other end of the centering sleeve is provided with a pipe orifice sleeved with the rear tip.

Optionally, one end of the top block, which is far away from the inclined surface, is coated with a ceramic wear-resistant anti-slip coating.

Optionally, a machine tool spindle and a lathe tailstock are fixedly arranged on the working surface of the turning lathe, the chuck is fixedly mounted on the machine tool spindle, and the rear center is fixedly mounted on the lathe tailstock.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model has compact structure and convenient assembly, realizes the stable clamping of the exhaust pipe through the chuck, the front center, the inner expanding type clamp and the rear center, has simple clamping of the exhaust pipe, improves the turning operation efficiency, reduces the labor intensity and improves the processing precision;

2. the utility model discloses a centering sleeve pipe realizes that ejector pin and back are top to be in on the same axis to convenient and fast ground makes the gas outlet axis, ejector pin, the back top of front centre, blast pipe be in on the same axis, ensures the lathe work quality, and through sleeve pipe and screwed pipe seat threaded connection in to, make the centering sleeve pipe break away from and no longer with the top contact in back, avoid wearing and tearing to the sleeve pipe in.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a chuck; 2. a front center; 3. a rear center; 4. an internal expanding clamp; 5. a clamp rod; 6. an axial slide hole; 7. a radial slide hole; 8. a top rod; 9. a top block; 10. a limiting block; 11. a return spring; 12. a threaded socket; 13. centering the sleeve; 14. a conical surface; 15. a bevel; 16. and (4) exhausting the gas.

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.

Example (b): referring to fig. 1 and 2, the utility model provides a turning fixture for exhaust pipes of superchargers, which comprises a chuck 1, a front center 2, an internal expanding fixture 4 and a rear center 3 which are arranged in turn on a turning lathe in a straight line. The internal expanding type clamp 4 comprises a clamp rod 5, an ejector rod 8, an ejector block 9, a limiting block 10 and a return spring 11. One end of the clamp rod 5, close to the front center 2, extends into an air outlet of the exhaust pipe 16, a machine tool spindle and a lathe tailstock are fixedly mounted on a working surface of the turning lathe, a chuck 1 is fixedly mounted on an output shaft of the machine tool spindle through a set screw, and the rear center 3 is clamped and mounted on the lathe tailstock. The ejector rod 8 is abutted against the tip of the rear center 3, the chuck 1 clamps the front center 2 tightly, a fabrication hole is formed in the outer wall of the exhaust pipe 16 and located on the axis of an air outlet of the exhaust pipe 16, and the tip of the front center 2 is abutted against the fabrication hole. The utility model discloses a rotatory chuck 1, the front end 2, interior expanding anchor clamps 4, blast pipe 16 and the top 3 rotations in back of driving the lathe main shaft.

One end of the clamp rod 5, which is close to the rear center 3, is provided with an axial sliding hole 6, the axial sliding hole 6 is positioned on the axis of the clamp rod 5, and an ejector rod 8 is arranged in the axial sliding hole 6 in a sliding manner. The outer wall of the clamp rod 5 is provided with four radial sliding holes 7 communicated with the axial sliding hole 6, the radial sliding holes 7 are located in the radial direction of the clamp rod 5, and a top block 9 is arranged in the radial sliding holes 7 in a sliding mode. One end of the ejector rod 8 close to the front center 2 is a conical surface 14, one end of the ejector block 9 extending into the axial sliding hole 6 is an inclined surface 15 matched with the conical surface 14, and one end of the ejector block 9 far away from the inclined surface 15 is coated with a ceramic wear-resistant anti-slip coating for increasing the friction force between the ejector block 9 and the exhaust pipe 16. The top block 9 extends out of the outer wall of the clamp rod 5 to form a limiting block 10 in an integrated mode, and the limiting block 10 and the outer wall of the clamp rod 5 are welded with a return spring 11. The outer wall of the clamp rod 5 extending out of the gas outlet of the exhaust pipe 16 is sequentially provided with a threaded pipe seat 12 and a centering sleeve 13, the threaded pipe seat 12 is welded with the clamp rod 5, the centering sleeve 13 is movably sleeved with the clamp rod 5, one end of the centering sleeve 13 is provided with an external thread matched with the threaded pipe seat 12, and the other end of the centering sleeve 13 is provided with a pipe orifice sleeved with the rear tip 3.

The exhaust pipe 16 is a blank of the exhaust pipe of the supercharger, and a fabrication hole can be machined on the outer wall of the exhaust pipe 16 through a drilling machine. When the exhaust pipe 16 is clamped by the utility model, firstly, the pipe orifice of the middle sleeve 13 is sleeved with the rear center 3, the rear center 3 supports the internal expanding clamp 4, the ejector rod 8 and the rear center 3 are positioned on the same axis, then, the gas outlet of the exhaust pipe 16 is sleeved with the clamp rod 5, the chuck 1 is pushed to move towards the rear center 3, the tip end of the front center 2 is pushed in a technical hole, then, the rear center 3 is driven to move forwards, the front end of the clamp rod 5 extends into the exhaust pipe 16 and is abutted against the inner wall of the bent pipe of the exhaust pipe 16, finally, the rear center 3 is pushed, the ejector rod 8 moves in the axial sliding hole 6, through the conical surface transmission of the conical surface 14 and the inclined surface 15, the ejector block 9 extends out of the clamp rod 5 and is abutted against the inner wall of the exhaust pipe 16, at the moment, the ejector rod 8 is positioned on the gas outlet axis of the exhaust pipe 16 and totally four ejector blocks 9 apply pressure to the inner wall of the exhaust pipe 16 simultaneously, and the expansion type clamp 4 and the exhaust pipe 16 are expanded and connected, and the clamping and fixing of the exhaust pipe 16 are completed. After the rear center 3 is loosened, the return spring 11 is restored, the internal expanding type clamp 4 can be taken out of the exhaust pipe 16, and the exhaust pipe 16 is simple to clamp.

After the exhaust pipe 16 is clamped and fixed, the centering sleeve 13 can be in threaded connection with the threaded pipe seat 12, so that the centering sleeve 13 is separated from the rear center 3 and is not in contact with the rear center any more, and the phenomenon that the centering sleeve 13 is in contact with the rear center 3 to generate friction loss in the process of turning the exhaust pipe 16 is avoided, namely the centering sleeve 13 is prevented from being worn. The middle sleeve 13 is used for realizing that the ejector rod 8 and the rear center 3 are positioned on the same axis, so that the axes of the air outlet of the front center 2 and the exhaust pipe 16, the ejector rod 8 and the rear center 3 are conveniently and quickly positioned on the same axis, and the turning quality is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a booster blast pipe turning anchor clamps which characterized in that: the lathe comprises a chuck (1), a front center (2), an internal expansion type clamp (4) and a rear center (3) which are sequentially arranged on a turning lathe in a straight line manner;

the inner expansion type clamp (4) comprises a clamp rod (5), an ejector rod (8), an ejector block (9), a limiting block (10) and a reset spring (11), wherein one end, close to the front center (2), of the clamp rod (5) extends into an air outlet of an exhaust pipe (16), one end, close to the rear center (3), of the clamp rod (5) is provided with an axial sliding hole (6), the ejector rod (8) is arranged in the axial sliding hole (6) in a sliding mode, the outer wall of the clamp rod (5) is at least provided with three radial sliding holes (7) communicated with the axial sliding hole (6), the ejector block (9) is arranged in the radial sliding holes (7) in a sliding mode, one end, close to the front center (2), of the ejector rod (8) is a conical surface (14), one end, extending into the axial sliding hole (6), of the ejector block (9) is an inclined surface (15) matched with the conical surface (14), the top block (9) extends out of the outer wall of the clamp rod (5) and is fixedly connected with the limiting block (10), and the reset spring (11) is fixedly arranged between the limiting block (10) and the outer wall of the clamp rod (5);

the ejector rod (8) is abutted against the tip of the rear center (3), the chuck (1) clamps the front center (2), a process hole is formed in the outer wall of the exhaust pipe (16) and located on the axis of the air outlet of the exhaust pipe (16), and the tip of the front center (2) is abutted against the process hole.

2. The turning clamp for the exhaust pipe of the supercharger according to claim 1, wherein: the clamp rod (5) stretches out the outer wall of the gas outlet of the exhaust pipe (16) is sequentially provided with a threaded pipe seat (12) and a centering sleeve (13), the threaded pipe seat (12) is fixedly connected with the clamp rod (5), the centering sleeve (13) is movably sleeved with the clamp rod (5), one end of the centering sleeve (13) is provided with an external thread matched with the threaded pipe seat (12), and the other end of the centering sleeve (13) is provided with a pipe orifice sleeved with the rear tip (3).

3. The turning clamp for the exhaust pipe of the supercharger according to claim 1, wherein: one end, far away from the inclined plane (15), of the top block (9) is coated with a ceramic wear-resistant anti-slip coating.

4. The turning clamp for the exhaust pipe of the supercharger according to claim 1, wherein: the lathe is characterized in that a machine tool spindle and a lathe tailstock are fixedly arranged on the working surface of the turning lathe, the chuck (1) is fixedly installed on the machine tool spindle, and the rear center (3) is fixedly installed on the lathe tailstock.