CN213531035U

CN213531035U - Seamless steel tube cutting machine

Info

Publication number: CN213531035U
Application number: CN202022504817.6U
Authority: CN
Inventors: 于涛; 解阳阳; 武永强
Original assignee: Liaoning University of Technology
Current assignee: Liaoning University of Technology
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-25
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to a steel pipe machining equipment field provides a seamless steel pipe cutting machine, include: the X-direction feeding mechanism, the Y-direction clamping mechanism and the Z-direction cutting mechanism are arranged on the rack; the X-direction feeding mechanism comprises: an X-direction feeding motor, a ball screw and an X-direction guide rail; the X-direction feeding motor is arranged on the rack, and an output shaft of the X-direction feeding motor is connected with the ball screw; the ball screw is provided with a nut in a matching way, and the nut is fixedly connected with the Y-direction clamping mechanism through the clamping plate bottom plate; the Y-direction clamping mechanism comprises: a first clamping subunit for clamping during feeding and a second clamping subunit for clamping during cutting; the Z-direction cutting mechanism comprises: hydraulic cylinder, cutter, cutting motor, worm, turbine and transmission shaft. The utility model provides improve equipment's cutting efficiency.

Description

Seamless steel tube cutting machine

Technical Field

The utility model relates to a steel pipe machining equipment field especially relates to a seamless steel pipe cutting machine.

Background

Nowadays, more and more electromechanical integrated products are widely applied to various manufacturing industries, the cutting technology is rapidly developed, the manual cutting technology can not meet the requirements of modern industrial development, and a new mechanization era is advancing nowadays. For decades, the research and development of cutting technology has been active, the design has been modified continuously, the variety has been increased continuously, and the application field has been expanded continuously.

At present, the rod cutting machine with a plurality of models is available in the market, the dependence degree on an operator is large, and the problems of complex structure, inconvenience in adjustment, small maintenance amount, low production efficiency, low intelligent degree and the like exist.

Therefore, a fully automatic machine that can replace manual work is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the steel tube cutting machine structure of mainly solving prior art is complicated, and the adjustment is inconvenient, and the maintenance volume is little, and production efficiency is low, and intelligent degree low grade technical problem provides a seamless steel tube cutting machine to reach improve equipment cutting efficiency's purpose.

The utility model provides a seamless steel tube cutting machine, include: the X-direction feeding mechanism, the Y-direction clamping mechanism and the Z-direction cutting mechanism are arranged on the rack;

the X-direction feeding mechanism comprises: an X-direction feeding motor, a ball screw and an X-direction guide rail; the X-direction feeding motor is arranged on the rack, and an output shaft of the X-direction feeding motor is connected with the ball screw; the ball screw is provided with a nut in a matching way, and the nut is fixedly connected with the Y-direction clamping mechanism through the clamping plate bottom plate;

the Y-direction clamping mechanism comprises: a first clamping subunit for clamping during feeding and a second clamping subunit for clamping during cutting; the first clamping subunit is arranged at the input end of the seamless steel pipe, and the second clamping subunit is arranged below the Z-direction cutting mechanism; each clamping subunit comprises: the hydraulic motor, the threaded rod and the two clamping plates; the hydraulic motor is arranged on the clamping plate bottom plate, and an output shaft of the hydraulic motor is connected with the threaded rod; the two clamping plates are in threaded connection with the two ends of the threaded rod;

the Z-direction cutting mechanism comprises: the cutting machine comprises a hydraulic cylinder, a cutter, a cutting motor, a worm, a turbine and a transmission shaft; the hydraulic cylinder is fixedly arranged on the rack, and a piston rod of the hydraulic cylinder is fixedly connected with the Z-direction cutting mechanism connecting plate; the cutting motor is fixedly arranged on the Z-direction cutting mechanism connecting plate, an output shaft of the cutting motor is in transmission connection with a worm, the worm is in fit connection with a turbine, and the turbine is coaxially connected with the cutter through a transmission shaft.

Preferably, an output shaft of the X-direction feed motor is connected to a ball screw through a first coupling.

Preferably, the two sides of the ball screw are respectively provided with an X-direction guide rail.

Preferably, the output shaft of the cutting motor is in transmission connection with the worm through a second coupling.

Preferably, the cutter is mounted on the transmission shaft through a front pressing plate and a rear pressing plate.

Preferably, a protective cover is arranged outside the cutter, the cutter extends out of the protective cover, and the protective cover is fixed on the Z-direction cutting mechanism connecting plate.

The utility model provides a seamless steel pipe cutting machine, the X-direction feeding mechanism ensures the parallel propulsion of the clamping plate, so that the clamping mechanism is more reliable; and the Y-direction clamping mechanism is used for driving the threaded rod to realize clamping by the hydraulic motor. Z uses hydraulic system can be comparatively accurate control pneumatic cylinder's that cutting mechanism stretches out length to can provide enough big cutting force, compares in pneumatic transmission safe and reliable more. The utility model discloses can improve cutting efficiency, guarantee the cutting quality.

Drawings

Fig. 1 is a schematic structural diagram of a seamless steel tube cutting machine provided by the present invention;

fig. 2 is a side view of the seamless steel pipe cutting machine provided by the present invention;

fig. 3 is a top view of the seamless steel pipe cutting machine provided by the present invention;

fig. 4 is a schematic structural diagram of the Z-direction cutting mechanism provided by the present invention.

Reference numerals: a frame 1; a ball screw 2; an X-direction feeding motor 3; a first coupling 4; an X-direction guide rail 5; a hydraulic motor 6; a nut 7; a splint base plate 8; a front press plate 9; a cutter 10; a protective cover 11; a rear platen 12; a cutting motor 13; a worm 14; a turbine 15; a drive shaft 16; a hydraulic cylinder 17; a second coupling 18; a guide support device 19; a motor base 20; a clamp plate 21; a threaded rod 22; a Z-direction cutting mechanism connecting plate 23; and a guide post 24.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.

Fig. 1 is a schematic structural diagram of a seamless steel tube cutting machine provided by the present invention; fig. 2 is a side view of the seamless steel pipe cutting machine provided by the present invention; fig. 3 is a top view of the seamless steel pipe cutting machine provided by the present invention. As shown in fig. 1-3, the embodiment of the utility model provides a seamless steel pipe cutting machine, include: the cutting machine comprises a machine frame 1, and an X-direction feeding mechanism, a Y-direction clamping mechanism and a Z-direction cutting mechanism which are arranged on the machine frame 1.

The X-direction feeding mechanism comprises: an X-direction feeding motor 3, a ball screw 2 and an X-direction guide rail 5; the X-direction feeding motor 3 is arranged on the rack 1, and an output shaft of the X-direction feeding motor 3 is connected with the ball screw 2 through a first coupler 4; the ball screw 2 is provided with a nut 7 in a matching mode, and the nut 7 is fixedly connected with the Y-direction clamping mechanism through a clamping plate bottom plate 8. X-direction guide rails 5 are respectively arranged on two sides of the ball screw 2; the X-direction guide rail 5 is connected with the Y-direction clamping mechanism in a sliding mode through a clamping plate bottom plate 8. The X-direction feed motor 3 may be a stepping motor.

In the X-direction feeding mechanism of this embodiment, the X-direction guide rail 5 is fixedly connected to the splint bottom plate 8, and the ball screw and nut pair can drive all the structures on the splint bottom plate 8 to move integrally. The X-direction feeding motor 3 drives the ball screw 2 to rotate, and the nut 7 is fed in the X direction, in the embodiment, the X-direction feeding motor 3 adopts a 86 closed-loop stepping motor, and the motor driver realizes the conveying with the designated length in a motor pulse control mode.

The Y-direction clamping mechanism comprises: a first clamping subunit for clamping during feeding and a second clamping subunit for clamping during cutting; each clamping subunit comprises: a hydraulic motor 6, a threaded rod 22 and two clamping plates 21; the hydraulic motor 6 is arranged on the splint bottom plate 8 through a motor seat 20, and an output shaft of the hydraulic motor 6 is connected with a threaded rod 22; two clamping plates 21 are screwed on both ends of the threaded rod 22. The clamping plate 21 is arranged on the clamping plate bottom plate 8 through guide posts 24. Specifically, the clamping plate 21 is driven by the hydraulic motor 6 through the threaded rod 22 to clamp the seamless steel tube. The clamp plate 21 is guided by two cylindrical guide posts 24, and the guide posts 24 are fixed on the base 8. The first clamping subunit is arranged at the input end of the seamless steel pipe, and the second clamping subunit is arranged below the Z-direction cutting mechanism.

In the Y-direction clamping mechanism of the embodiment, the threaded rod is driven by the hydraulic motor 6 to realize clamping; specifically, the hydraulic motor 6 provides clamping power, when the hydraulic motor 6 rotates forwards, the two clamping plates 21 are clamped under the driving of the threaded rod 22, and when the hydraulic motor 6 rotates backwards, the two clamping plates 21 are loosened under the driving of the threaded rod 22. Two guide posts 24 are arranged between the two clamping plates 21, and the guide posts 24 can ensure that the clamping plates 21 are pushed in parallel, so that the Y-direction clamping mechanism is more reliable. The first clamping subunit is moved in the X direction by a ball screw nut pair.

Fig. 4 is a schematic structural diagram of the Z-direction cutting mechanism provided by the present invention. As shown in fig. 4, the Z-direction cutting mechanism includes: a hydraulic cylinder 17, a cutter 10, a cutting motor 13, a worm 14, a turbine 15 and a transmission shaft 16; the hydraulic cylinder 17 is fixedly arranged on the rack 1, a piston rod of the hydraulic cylinder 17 is fixedly connected with the Z-direction cutting mechanism connecting plate 23, and the hydraulic cylinder 17 is connected with an oil source; the cutting motor 13 is fixedly arranged on the Z-direction cutting mechanism connecting plate 23, and an output shaft of the cutting motor 13 is in transmission connection with the worm 14 through the second coupling 18. The worm 14 is connected with a worm wheel 15 in a matching way, and the worm wheel 15 is coaxially connected with the cutter 10 through a transmission shaft 16. The cutter 10 is mounted on a transmission shaft 16 through a front pressure plate 9 and a rear pressure plate 12. A protective cover 11 is arranged outside the cutter 10, the cutter 10 extends out of the protective cover 11, and the protective cover 11 is fixed on the Z-direction cutting mechanism connecting plate 23. Two guiding and supporting devices 19 are further arranged between the Z-direction cutting mechanism connecting plate 23 and the rack 1, and guiding and supporting are carried out when the Z-direction cutting mechanism connecting plate 23 moves up and down.

The Z of this embodiment is to cutting mechanism, drives cutting part up-and-down motion by pneumatic cylinder 17 and cuts, uses the extension length of the control pneumatic cylinder that hydraulic system can be comparatively accurate, and can provide enough cutting force, compares in atmospheric pressure transmission safe and reliable more.

The X-direction feeding motor 3 of the embodiment is controlled by a PLC through a motor driver, and the PLC output end is utilized to control the connection and disconnection of the power supplies of the cutting motor 13 and the hydraulic pump motor, so that the start and stop control of the cutting motor 13 and the hydraulic pump motor is realized. The reversing and the starting and stopping of the hydraulic motor 6 and the hydraulic cylinder 17 are realized by controlling the on and off of the electromagnet of the corresponding electromagnetic reversing valve through a PLC controller, and the model of the PLC controller can select a PLC of Siemens S7-200 series.

The seamless steel pipe cutting machine that this embodiment provided's theory of operation: placing the seamless steel tube in a feeding area, clamping the seamless steel tube by a clamping plate 21 of a first clamping subunit, and driving a clamping plate bottom plate 8, a whole set of clamping mechanisms on the clamping plate bottom plate 8 and the steel tube X on a clamp to feed in the X direction by a ball screw 2 and a nut 7 of an X direction feeding mechanism under the control of a PLC (programmable logic controller), so that the feeding of the seamless steel tube to a designated length is realized; after the X-direction feeding mechanism works, the seamless steel pipe is clamped by the clamping plate 21 of the second clamping subunit, the first clamping subunit is clamped again after returning, the phenomenon that the accuracy is influenced and the stress is too large when the second clamping subunit is subjected to dislocation due to too long residual steel pipe after the steel pipe is cut is avoided, and the problem that the stress is too large when the steel pipe is cut is solved; and meanwhile, the cutting motor 13 of the Z-direction cutting mechanism is started, cutting is started under the driving of the hydraulic cylinder 17, the hydraulic cylinder 17 is lifted after the cutting is finished, the clamping plate 21 of the second clamping subunit is loosened, and the processed seamless steel pipe is ejected out when the next feeding is carried out, so that the next round of cutting is carried out.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A seamless steel pipe cutting machine, characterized by comprising: the cutting machine comprises a rack (1), and an X-direction feeding mechanism, a Y-direction clamping mechanism and a Z-direction cutting mechanism which are arranged on the rack (1);

the X-direction feeding mechanism comprises: an X-direction feeding motor (3), a ball screw (2) and an X-direction guide rail (5); the X-direction feeding motor (3) is arranged on the rack (1), and an output shaft of the X-direction feeding motor (3) is connected with the ball screw (2); the ball screw (2) is provided with a nut (7) in a matching way, and the nut (7) is fixedly connected with the Y-direction clamping mechanism through a clamping plate bottom plate (8);

the Y-direction clamping mechanism comprises: a first clamping subunit for clamping during feeding and a second clamping subunit for clamping during cutting; the first clamping subunit is arranged at the input end of the seamless steel pipe, and the second clamping subunit is arranged below the Z-direction cutting mechanism; each clamping subunit comprises: a hydraulic motor (6), a threaded rod (22) and two clamping plates (21); the hydraulic motor (6) is arranged on the clamping plate bottom plate (8), and an output shaft of the hydraulic motor (6) is connected with the threaded rod (22); the two clamping plates (21) are in threaded connection with the two ends of the threaded rod (22);

the Z-direction cutting mechanism comprises: the cutting machine comprises a hydraulic cylinder (17), a cutter (10), a cutting motor (13), a worm (14), a turbine (15) and a transmission shaft (16); the hydraulic cylinder (17) is fixedly arranged on the rack (1), and a piston rod of the hydraulic cylinder (17) is fixedly connected with the Z-direction cutting mechanism connecting plate (23); the cutting motor (13) is fixedly arranged on the Z-direction cutting mechanism connecting plate (23), an output shaft of the cutting motor (13) is in transmission connection with the worm (14), the worm (14) is in fit connection with the turbine (15), and the turbine (15) is in coaxial connection with the cutter (10) through the transmission shaft (16).

2. The seamless steel tube cutting machine according to claim 1, wherein the output shaft of the X-direction feed motor (3) is connected to the ball screw (2) through a first coupling (4).

3. The seamless steel tube cutting machine according to claim 1 or 2, wherein X-direction guide rails (5) are respectively provided on both sides of the ball screw (2).

4. The seamless steel tube cutting machine according to claim 1, characterized in that the output shaft of the cutting motor (13) is in transmission connection with the worm (14) through a second coupling (18).

5. The seamless steel tube cutting machine according to claim 1, wherein the cutter (10) is mounted on a drive shaft (16) through a front platen (9) and a rear platen (12).

6. The seamless steel tube cutting machine according to claim 1 or 5, characterized in that a protective cover (11) is arranged outside the cutter (10), the cutter (10) extends out of the protective cover (11), and the protective cover (11) is fixed on the Z-direction cutting mechanism connecting plate (23).