CN113145756A

CN113145756A - Round steel necking machine

Info

Publication number: CN113145756A
Application number: CN202110273655.6A
Authority: CN
Inventors: 宋嘉昇
Original assignee: Wuxi Huadi Machinery Equipment Co ltd
Current assignee: Wuxi Huadi Machinery Equipment Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-07-23

Abstract

The invention discloses a round steel necking machine which comprises a base, wherein a box body is arranged at the upper end of the base, a hollow shaft is arranged at the center of the inner side of the box body, one end of the hollow shaft penetrates through the box body, and a large belt wheel is arranged on the outer diameter of the hollow shaft. According to the invention, the eccentric hollow shaft rotates and simultaneously pushes the spherical seats on the heading arms outside the spherical joints on the first support ring, the second support ring, the third support ring and the fourth support ring in sequence, so that the high-speed rotary motion of the hollow shaft is converted into high-frequency swing of the heading arms, the four heading dies are closed at a speed of times per minute, and simultaneously, the steel pipe is clamped by the clamping roller and the support roller, so that the steel pipe rotates along with the rotation of the support roller and is conveyed forwards, the head of the steel pipe is forged and formed, the forging and forming efficiency of the head of the steel pipe is improved, and the labor intensity of workers is reduced.

Description

Round steel necking machine

Technical Field

The invention relates to the field of machining, in particular to a round steel necking machine.

Background

The necking machine is a processing machine for reducing the pipe end face of the pipe fitting in a normal state, and pipe end processing forming such as pipe expanding, pipe reducing, bulging, rib upsetting and the like can be carried out on the pipe fitting by replacing a die. The pipe necking is a forming process for reducing the diameter of the end part of a pipe blank. The necking machine is widely applied to the processing and forming of connecting parts such as pipe fittings, automobile oil pipes, air pipes, water pipes, air-conditioning pipes and the like, and is ideal pipe end forming and processing equipment. At present, in the process of necking the circular tube, the automation degree is low, the necking efficiency of the end part is low, manual feeding is needed, and the labor intensity of workers is improved.

Disclosure of Invention

The invention aims to solve the problems and provide a round steel necking machine.

The invention realizes the purpose through the following technical scheme:

a round steel necking machine comprises a base, a box body is arranged at the upper end of the base, a hollow shaft is arranged at the center position of the inner side of the box body, one end of the hollow shaft penetrates through the box body, a large belt wheel is arranged on the outer diameter of the hollow shaft, the outer diameter of the hollow shaft is positioned in the box body and far away from the large belt wheel, a first supporting ring, a second supporting ring, a third supporting ring and a fourth supporting ring are sequentially arranged on the hollow shaft, ball joints are arranged on the first supporting ring, the second supporting ring, the third supporting ring and the fourth supporting ring, a heading arm is arranged on the upper side of each ball joint, a spherical seat is arranged on the heading arm corresponding to the ball joints, a heading die is arranged on one side of the heading arm far away from the spherical seat, a return spring seat is arranged on the outer side of the heading arm, a small belt wheel is arranged on the lower side of the large belt wheel, and the small belt wheel is installed on the output shaft of a main motor, the box body is characterized in that a supporting frame is arranged on one side of the box body, a supporting roller is arranged at the upper end of the supporting frame, a clamping roller is arranged on the upper side of the supporting roller, and a hydraulic telescopic column is connected to the upper end of the clamping roller.

Further setting: the two ends of the hollow shaft are connected with the box body through double-row self-aligning cylindrical roller bearings, and the hollow shaft is an eccentric main shaft.

So set up, make the hollow shaft rotates stably smoothly, is convenient for simultaneously provide the storage space to the part after the round steel is forged.

Further setting: the ball joint is respectively arranged on the first support ring, the second support ring, the third support ring and the fourth support ring at intervals of 90 degrees in sequence, and the ball joint is connected with the first support ring, the second support ring, the third support ring and the fourth support ring through screws.

According to the arrangement, the hollow shaft sequentially pushes the spherical seat to drive the heading arm to swing at intervals on the first support ring, the second support ring, the third support ring and the fourth support ring.

Further setting: the box body is provided with four positions, the heading arms are connected with the box body through pin shafts, the return spring seats are uniformly distributed on the same horizontal plane of the box body through bolts, and the heading die is connected with the box body in a sliding mode.

So set up, through it is right to reply the spring holder beat the head arm and go on the return, be convenient for carry out the swing next time.

Further setting: the supporting roll, the pinch roll is the curved surface roller, backing roll one end is connected with driving motor, the pinch roll, the backing roll central line is 45 degrees contained angles and sets up.

So set up, make pinch roller 18 move down with the backing roll forms the clamping state to the round steel, simultaneously through the rotation of backing roll rotates and moves forward the round steel.

Further setting: the first support ring, the second support ring, the third support ring and the fourth support ring are all connected with the hollow shaft through a double-row self-aligning cylindrical roller bearing.

So set up, make first support ring, second support ring, third support ring, fourth support ring are in when the hollow shaft rotates, spaced promotion ball joint swings in proper order.

Compared with the prior art, the invention has the following beneficial effects:

the eccentric hollow shaft rotates and simultaneously pushes the spherical seat on the heading arm on the outer side of the spherical joint on the first support ring, the second support ring, the third support ring and the fourth support ring in sequence, so that the high-speed rotary motion of the hollow shaft is converted into high-frequency swing of the heading arm, four heading dies are closed at the speed of 530 times per minute, meanwhile, the steel pipe is clamped by the clamping roller and the support roller, the steel pipe rotates along with the rotation of the support roller and is conveyed forwards, the head of the steel pipe is forged and formed, the forging and forming efficiency of the head of the steel pipe is improved, and the labor intensity of workers is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a round steel necking machine in a front view;

FIG. 2 is a schematic cross-sectional structure view of a hollow shaft of a round steel necking machine according to the present invention;

fig. 3 is a top sectional structural view of fig. 2.

The reference numerals are explained below:

1. a base; 2. a box body; 3. a hollow shaft; 4. a first support ring; 5. a second support ring; 6. a third support ring; 7. a fourth support ring; 8. a ball joint; 9. a heading arm; 10. a spherical seat; 11. a return spring seat; 12. a heading die; 13. a large belt pulley; 14. a small belt pulley; 15. a main motor; 16. a support frame; 17. a support roller; 18. a pinch roller; 19. a hydraulic telescopic column.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-3, a round steel necking machine comprises a base 1, a box 2 is arranged at the upper end of the base 1, a hollow shaft 3 is arranged at the center position of the inner side of the box 2, one end of the hollow shaft 3 penetrates through the box 2, a large belt wheel 13 is arranged on the outer diameter, a first support ring 4, a second support ring 5, a third support ring 6 and a fourth support ring 7 are sequentially arranged on the outer diameter of the hollow shaft 3, which is positioned in the box 2 and far away from the large belt wheel 13, a ball joint 8 is respectively arranged on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7, a heading arm 9 is arranged on the upper side of the ball joint 8, a ball seat 10 is arranged on the heading arm 9 corresponding to the ball joint 8, a heading die 12 is arranged on one side of the heading arm 9 far away from the ball seat 10 and used for forging the head of a steel pipe, a return spring seat 11 is arranged on the outer side of the heading arm 9 and used for returning the head 9, the lower side of the large belt wheel 13 is provided with a small belt wheel 14, the small belt wheel 14 is installed on an output shaft of a main motor 15, one side of the box body 2 is provided with a support frame 16, the upper end of the support frame 16 is provided with a support roller 17, the upper side of the support roller 17 is provided with a clamping roller 18, and the upper end of the clamping roller 18 is connected with a hydraulic telescopic column 19 for providing pressing power for the clamping roller 18.

Preferably: two ends of the hollow shaft 3 are connected with the box body 2 through double-row self-aligning cylindrical roller bearings, the hollow shaft 3 is an eccentric main shaft, so that the hollow shaft 3 rotates stably and smoothly, and meanwhile, a containing space is conveniently provided for a part of the round steel after being forged; the ball joints 8 are respectively arranged on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 at intervals of 90 degrees in sequence, and the ball joints 8 are in screw connection with the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7, so that the hollow shaft 3 sequentially pushes the ball joints 8 on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 to the spherical seat 10 at intervals when rotating, and the beating arm 9 is respectively driven to swing; the head beating arms 9 are arranged at four positions in the box body 2, the head beating arms 9 are in pin connection with the box body 2, the return spring seats 11 are uniformly distributed on the same horizontal plane of the box body 2 through bolts, the head beating die 12 is in sliding connection with the box body 2, and the head beating arms 9 are returned through the return spring seats 11 so as to be convenient for swinging next time; the supporting roller 17 and the clamping roller 18 are curved rollers, one end of the supporting roller 17 is connected with a driving motor, the central lines of the clamping roller 18 and the supporting roller 17 are arranged at an included angle of 45 degrees, so that the clamping roller 18 moves downwards to form a clamping state with the supporting roller 17 for the round steel, and meanwhile, the round steel is rotated and moves forwards through the rotation of the supporting roller 17; the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 are all connected with the hollow shaft 3 through double-row self-aligning cylindrical roller bearings, so that the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 can sequentially push the ball joints 8 to swing at intervals when the hollow shaft 3 rotates.

The working principle and the using process of the invention are as follows: the main motor 15 works to drive the large belt wheel 13 to rotate, so that the hollow shaft 3 sequentially pushes the spherical seats 10 on the heading arms 9 facing the outside of the spherical joints 8 on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 while rotating, the high-speed rotary motion of the hollow shaft 3 is converted into high-frequency swing of the heading arms 9, the four heading dies 12 are closed at a speed of 530 times per minute, meanwhile, the steel pipe is clamped by the clamping rollers 18 and the support rollers 17, the steel pipe rotates along with the rotation of the support rollers 17 and is conveyed forwards, and then the head of the steel pipe is forged and formed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a round steel necking machine which characterized in that: the automatic heading machine comprises a base, a box body is arranged at the upper end of the base, a hollow shaft is arranged at the central position of the inner side of the box body, one end of the hollow shaft penetrates through the box body, a large belt wheel is arranged on the outer diameter of the hollow shaft, a first supporting ring, a second supporting ring, a third supporting ring and a fourth supporting ring are sequentially arranged on the inner side of the box body away from the large belt wheel, ball joints are arranged on the first supporting ring, the second supporting ring, the third supporting ring and the fourth supporting ring, a heading arm is arranged on the upper side of the ball joints, a spherical seat is arranged on the heading arm corresponding to the ball joints, a heading mold is arranged on one side of the heading arm away from the spherical seat, a return spring seat is arranged on the outer side of the heading arm, a small belt wheel is arranged on the lower side of the large belt wheel, the small belt wheel is arranged on an output shaft of a main motor, a supporting frame is arranged on one side of the box body, the support frame upper end is provided with the backing roll, the backing roll upside is provided with the pinch roll, the pinch roll upper end is connected with the flexible post of hydraulic pressure.

2. A round steel necking machine according to claim 1, characterized in that: the two ends of the hollow shaft are connected with the box body through double-row self-aligning cylindrical roller bearings, and the hollow shaft is an eccentric main shaft.

3. A round steel necking machine according to claim 1, characterized in that: the ball joint is respectively arranged on the first support ring, the second support ring, the third support ring and the fourth support ring at intervals of 90 degrees in sequence, and the ball joint is connected with the first support ring, the second support ring, the third support ring and the fourth support ring through screws.

4. A round steel necking machine according to claim 1, characterized in that: the box body is provided with four positions, the heading arms are connected with the box body through pin shafts, the return spring seats are uniformly distributed on the same horizontal plane of the box body through bolts, and the heading die is connected with the box body in a sliding mode.

5. A round steel necking machine according to claim 1, characterized in that: the supporting roll, the pinch roll is the curved surface roller, backing roll one end is connected with driving motor, the pinch roll, the backing roll central line is 45 degrees contained angles and sets up.

6. A round steel necking machine according to claim 1, characterized in that: the first support ring, the second support ring, the third support ring and the fourth support ring are all connected with the hollow shaft through a double-row self-aligning cylindrical roller bearing.