CN217121345U

CN217121345U - Prestraightening machine for producing cold-drawn precise seamless steel pipe

Info

Publication number: CN217121345U
Application number: CN202121731578.6U
Authority: CN
Inventors: 王卓翊; 宗海旭; 许强先
Original assignee: Changzhou Lianzhong Special Shaped Steel Pipe Co ltd
Current assignee: Changzhou Lianzhong Special Shaped Steel Pipe Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-08-05
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a production of accurate seamless steel pipe of cold drawing is with straightening machine in advance, including a feeding section of thick bamboo, open feeding section of thick bamboo one side has the feed inlet, feeding section of thick bamboo outside wall is connected with three mount, fixed mounting has the cylinder on the three mount, feeding section of thick bamboo outer coin side wall is opened there is the sliding gap, and connect in the power roller, feeding section of thick bamboo one side is connected with centering mechanism, feeding section of thick bamboo one side is open structure, centering mechanism one side is equipped with straightening mechanism in advance. The utility model relates to a seamless steel pipe technical field, this device compact structure drives first motor through three group's cylinders and drags the power roller and tentatively spacing and provide power to the steel pipe, makes inside the steel pipe feeds to a feeding section of thick bamboo, and the steel pipe passes from first management and control and second management and control one side to it is rotatory to drive reversing gear through the second motor, centers and straightens seamless steel pipe, and the aligning lever intensity can be guaranteed to the spacing groove cooperation sliding pin of link one side, gives people and has brought conveniently.

Description

Prestraightening machine for producing cold-drawn precise seamless steel pipe

Technical Field

The utility model relates to a seamless steel pipe technical field specifically is a production of accurate seamless steel pipe of cold drawing is with straightening machine in advance.

Background

The seamless steel pipe has wide application. The general purpose seamless steel pipe is rolled from common carbon structural steel, low alloy structural steel or alloy structural steel, has the highest yield, and is mainly used as a pipeline or a structural part for conveying fluid.

The utility model discloses a utility model patent for CN211588055U provides an accurate seamless steel tube production is with straightener in advance, including the straightener body, the top fixedly connected with workstation of straightener body, the top fixedly connected with bracket of workstation, the top fixedly connected with second motor of bracket, the output shaft of second motor passes through shaft coupling fixedly connected with final drive wheel, final drive wheel's outer wall swing joint has the belt, the outer wall swing joint of belt has the accessory drive wheel, the inner wall fixedly connected with pivot of accessory drive wheel, the shaft hole has been seted up to the one end of pivot. This precision is straightener in advance for seamless steel pipe production can reach the purpose that cuts off the steel pipe after the aligning, has solved the problem that general straightener is not convenient for cut the steel pipe for straightener can collect the aligning and cut off the integration, has improved the practicality of device, has practiced thrift manufacturing cost, has satisfied scientific production and processing demand. However, although this table can achieve pre-straightening of seamless steel pipes, the apparatus does not have a mechanism for automatically centering and clamping steel pipes of any diameter.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a production of accurate seamless steel pipe of cold drawing is with straightening machine in advance has solved the problem that does not possess the mechanism that carries out the self-centering centre gripping to arbitrary diameter steel pipe.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a production of accurate seamless steel pipe of cold drawing is with straightening machine in advance, includes a feeding section of thick bamboo, open feeding section of thick bamboo one side has the feed inlet, feeding section of thick bamboo outside wall is connected with three mount, fixed mounting has the cylinder on the three mount, feeding section of thick bamboo foreign currency lateral wall face is opened there is the sliding opening, the cylinder output end is connected with the sliding seat, the sliding seat slide in the sliding opening, sliding seat one end swing joint has the power roller, sliding seat lateral wall face is connected with first motor, first motor output is connected with the rotation axis, rotation axis swing joint in the sliding seat, and connect in the power roller, feeding section of thick bamboo one side is connected with centering mechanism, feeding section of thick bamboo one side is open structure, centering mechanism one side is equipped with straightening mechanism in advance.

Preferably, centering mechanism includes the centering dish, the centering dish is located feeding section of thick bamboo one side, centering dish one side is equipped with first annular slide rail, feeding section of thick bamboo one side wall is opened there is first annular spout, first annular slide rail sliding connection in first annular spout, it has three pairs of arc spouts to open on the centering dish, centering dish center department is opened there is first tube hole, centering dish opposite side is equipped with fixture.

Preferably, fixture includes the play feed cylinder, the play feed cylinder is located centering dish one side, go out feed cylinder lateral wall face and open there is second annular spout, centering dish one side wall is connected with second annular slide rail, second annular slide rail sliding connection in the second annular spout, go out feed cylinder one side and be connected with the positioning disk, positioning disk fixed mounting in go out the feed cylinder internal face, it has sharp guide way to open on the positioning disk, positioning disk center department opens there is the second tube hole, the arc spout with sharp guide way passes through the guide bar and connects, guide bar sliding connection in the arc spout with in the sharp guide way, go out the outer wall fixed mounting of feed cylinder has reversing mechanism.

Preferably, the reversing mechanism comprises a second motor, the second motor is fixedly mounted on the outer wall surface of the discharge barrel, the output end of the second motor is connected with a reversing gear, a toothed key is arranged on the outer wall surface of the centering disc, and the reversing gear is meshed with the toothed key.

Preferably, the straightening mechanism comprises a straightening rod, the straightening rod is connected to one end of the guide rod, and the outer wall surface of the straightening rod is movably connected with a plurality of straightening rollers through a plurality of pairs of brackets.

Preferably, one end of the guide rod is connected with a limiting block.

Preferably, a discharge hole is formed in the side wall surface of the discharge cylinder.

Preferably, the inner wall surface of the discharging barrel is connected with three pairs of connecting frames, the side wall surface of each connecting frame is provided with a limiting groove, one end of each straightening rod is provided with a sliding pin, and the sliding pins are connected in the limiting grooves in a sliding mode.

Preferably, a pair of supporting frames is arranged at the bottom of each of the feeding cylinder and the discharging cylinder.

Advantageous effects

The utility model provides a production of accurate seamless steel pipe of cold drawing is with straightening machine in advance, the device compact structure, it drags the power roller to carry out tentatively spacing and provide power to the steel pipe to drive first motor through three groups of cylinders, make the steel pipe feed to the feeding section of thick bamboo inside, the steel pipe passes from first management and control and second management and control one side, and it is rotatory to drive reversing gear through the second motor, thereby make the centering dish rotatory, thereby make the guide bar slide in the straight line guide way, make three realize self-centering to the aligning pole, center and straighten seamless steel pipe, the aligning pole intensity can be guaranteed to the spacing groove cooperation sliding pin of link one side, give other people and brought the convenience.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the power mechanism of the present invention.

Fig. 3 is the internal structure schematic diagram of the first motor and the power roller of the present invention.

Fig. 4 is a schematic view of the internal structure of the centering plate of the present invention.

Fig. 5 is a schematic view of the internal structure of the guiding plate of the present invention.

Fig. 6 is a schematic view of the straightening rod of the present invention.

Fig. 7 is a schematic view of the structure of the straightening roll of the present invention.

Fig. 8 is a schematic view of the internal structure of the connection frame of the present invention.

In the figure: 1. a feeding cylinder; 2. a feed inlet; 3. a fixed mount; 4. a cylinder; 5. a sliding seat; 6. a power roller; 7. a first motor; 8. a rotating shaft; 9. a centering plate; 10. a first annular slide rail; 11. a first annular chute; 12. an arc-shaped chute; 13. a first tube hole; 14. a discharging barrel; 15. a second annular chute; 16. a second annular slide rail; 17. a guide plate; 18. a linear guide groove; 19. a second tube hole; 20. a guide bar; 21. a second motor; 22. a reversing gear; 23. a toothed key; 24. a straightening rod; 25. a straightening roll; 26. and a connecting frame.

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.

Referring to fig. 1-8, a pre-straightening machine for producing cold-drawn precise seamless steel tubes comprises a feeding cylinder 1, a feeding port 2 is arranged on one side of the feeding cylinder 1, three fixing frames 3 are connected to the outer side wall surface of the feeding cylinder 1, an air cylinder 4 is fixedly mounted on the three fixing frames 3, a sliding port is arranged on the outer coin side wall surface of the feeding cylinder 1, an output end of the air cylinder 4 is connected with a sliding seat 5, the sliding seat 5 slides in the sliding port, one end of the sliding seat 5 is movably connected with a power roller 6, the side wall surface of the sliding seat 5 is connected with a first motor 7, an output end of the first motor 7 is connected with a rotating shaft 8, the rotating shaft 8 is movably connected with the sliding seat 5 and connected with the power roller 6, a centering mechanism is connected to one side of the feeding cylinder 1, an open structure is arranged on one side of the feeding cylinder 1, and a pre-straightening mechanism is arranged on one side of the centering mechanism, the centering mechanism comprises a centering disc 9, the centering disc 9 is positioned on one side of the feeding cylinder 1, a first annular slide rail 10 is arranged on one side of the centering disc 9, a first annular slide groove 11 is formed in the wall surface on one side of the feeding cylinder 1, the first annular slide rail 10 is connected to the first annular slide groove 11 in a sliding manner, three pairs of arc-shaped slide grooves 12 are formed in the centering disc 9, a first pipe hole 13 is formed in the center of the centering disc 9, a clamping mechanism is arranged on the other side of the centering disc 9 and comprises a discharging cylinder 14, the discharging cylinder 14 is positioned on one side of the centering disc 9, a second annular slide groove 15 is formed in the wall surface on the side of the discharging cylinder 14, a second annular slide rail 16 is connected to the wall surface on one side of the centering disc 9, the second annular slide rail 16 is connected to the inside of the second annular slide groove 15 in a sliding manner, a guide disc 17 is connected to one side of the discharging cylinder 14, and the guide disc 17 is fixedly installed on the inner wall surface of the discharging cylinder 14, the guide disc 17 is provided with a linear guide groove 18, the center of the guide disc 17 is provided with a second pipe hole 19, the arc chute 12 is connected with the linear guide groove 18 through a guide rod 20, the guide rod 20 is connected with the arc chute 12 and the linear guide groove 18 in a sliding manner, the outer wall surface of the discharge barrel 14 is fixedly provided with a reversing mechanism, the reversing mechanism comprises a second motor 21, the second motor 21 is fixedly arranged on the outer wall surface of the discharge barrel 14, the output end of the second motor 21 is connected with a reversing gear 22, the outer wall surface of the centering disc 9 is provided with a toothed key 23, the reversing gear 22 is meshed with the toothed key 23, the straightening mechanism comprises a straightening rod 24, the straightening rod 24 is connected with one end of the guide rod 20, the outer wall surface of the straightening rod 24 is movably connected with a plurality of straightening rollers 25 through a plurality of pairs of brackets, one end of the guide rod 20 is connected with a limiting block, the side wall surface of the discharge barrel 14 is provided with a discharge hole, the inner wall surface of the discharge barrel 14 is connected with three pairs of connecting frames 26, the side wall surface of each connecting frame 26 is provided with a limiting groove, one end of the straightening rod 24 is provided with a sliding pin, the sliding pin is connected in the limiting groove in a sliding manner, and the bottoms of the feed barrel 1 and the discharge barrel 14 are provided with a pair of supporting frames.

Example (b): when the seamless steel pipe straightening machine works, a seamless steel pipe is placed into a feeding cylinder 1 from a feeding hole 2, the output ends of three groups of cylinders 4 are controlled to extend, so that a power roller 6 can pre-position the seamless steel pipe, the output end of a second motor 21 is controlled to rotate, a reversing gear 22 is meshed with a toothed key 23, a centering disc 9 rotates at the moment, a guide rod 20 slides in an arc-shaped sliding groove 12 and slides through a linear guide groove 18, automatic centering is achieved, the seamless steel pipe is centered, clamped and straightened, finally, a first motor 7 is started, the steel pipe is fed between straightening rollers 25, pre-straightened, and discharged from a discharging hole, and convenience is brought to people.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 pre-straightening machine for producing the cold-drawing precise seamless steel tube comprises a feeding barrel (1) and is characterized in that a feeding hole (2) is formed in one side of the feeding barrel (1), three fixing frames (3) are connected to the outer side wall surface of the feeding barrel (1), a cylinder (4) is fixedly mounted on each fixing frame (3), a sliding opening is formed in the outer coin side wall surface of the feeding barrel (1), the output end of the cylinder (4) is connected with a sliding seat (5), the sliding seat (5) slides in the sliding opening, one end of the sliding seat (5) is movably connected with a power roller (6), the side wall surface of the sliding seat (5) is connected with a first motor (7), the output end of the first motor (7) is connected with a rotating shaft (8), the rotating shaft (8) is movably connected to the sliding seat (5) and is connected to the power roller (6), a centering mechanism is connected to one side of the feeding barrel (1), one side of the feeding cylinder (1) is of an open structure, and one side of the centering mechanism is provided with a pre-straightening mechanism.

2. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to claim 1, wherein the centering mechanism comprises a centering disc (9), the centering disc (9) is positioned on one side of the feeding cylinder (1), a first annular slide rail (10) is arranged on one side of the centering disc (9), a first annular slide groove (11) is formed in one side wall surface of the feeding cylinder (1), the first annular slide rail (10) is connected to the first annular slide groove (11) in a sliding manner, three pairs of arc-shaped slide grooves (12) are formed in the centering disc (9), a first tube hole (13) is formed in the center of the centering disc (9), and a clamping mechanism is arranged on the other side of the centering disc (9).

3. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to claim 2, wherein the clamping mechanism comprises a discharge barrel (14), the discharge barrel (14) is positioned at one side of the centering disc (9), a second annular sliding chute (15) is formed in the side wall surface of the discharge barrel (14), a second annular sliding rail (16) is connected to the side wall surface of the centering disc (9), the second annular sliding rail (16) is connected in the second annular sliding chute (15) in a sliding manner, a guide disc (17) is connected to one side of the discharge barrel (14), the guide disc (17) is fixedly installed on the inner wall surface of the discharge barrel (14), a linear guide groove (18) is formed in the guide disc (17), a second tube hole (19) is formed in the center of the guide disc (17), and the arc-shaped sliding chute (12) is connected with the linear guide groove (18) through a guide rod (20), the guide rod (20) is connected in the arc-shaped sliding groove (12) and the linear guide groove (18) in a sliding mode, and a reversing mechanism is fixedly installed on the outer wall surface of the discharge barrel (14).

4. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to claim 3, wherein the reversing mechanism comprises a second motor (21), the second motor (21) is fixedly installed on the outer wall surface of the discharging barrel (14), a reversing gear (22) is connected to the output end of the second motor (21), a toothed key (23) is arranged on the outer wall surface of the centering disc (9), and the reversing gear (22) is meshed with the toothed key (23).

5. The pre-straightening machine for the production of the cold-drawn precise seamless steel tube according to the claim 3, characterized in that the pre-straightening mechanism comprises a straightening rod (24), the straightening rod (24) is connected with one end of the guide rod (20), and the outer wall surface of the straightening rod (24) is movably connected with a plurality of straightening rollers (25) through a plurality of pairs of brackets.

6. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to claim 3, characterized in that one end of the guide rod (20) is connected with a limiting block.

7. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to the claim 3, characterized in that a discharge hole is arranged on the side wall surface of the discharge barrel (14).

8. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to claim 5, characterized in that the inner wall surface of the discharging barrel (14) is connected with three pairs of connecting frames (26), the side wall surface of each connecting frame (26) is provided with a limiting groove, one end of the straightening rod (24) is provided with a sliding pin, and the sliding pin is connected in the limiting groove in a sliding manner.

9. The pre-straightening machine for producing the cold-drawn precise seamless steel tube according to the claim 3, characterized in that a pair of supporting frames are arranged at the bottom of the feeding cylinder (1) and the discharging cylinder (14).