CN216420683U

CN216420683U - Blowing swing arm is used in pipe fitting drawing

Info

Publication number: CN216420683U
Application number: CN202122219229.2U
Authority: CN
Inventors: 冯建平; 李越; 朱张泉; 赵海; 魏玮; 黄强; 张李清; 杨金波; 阮哲峰; 郭宇晗; 吴才江; 郦天俊; 章叶根; 周松涛; 周军威
Original assignee: Zhejiang Copper Processing Research Institute Co ltd; Zhejiang Hailiang Co Ltd
Current assignee: Zhejiang Copper Processing Research Institute Co ltd; Zhejiang Hailiang Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-05-03
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a tensile blowing swing arm that uses of pipe fitting, is equipped with the swing arm frame of rotation connection in the horizontal plane including the one end of base, the swing arm frame is equipped with swing arm and swing arm down, goes up swing arm and swing arm down interval parallel distribution from top to bottom, goes up the vertical roller of having strideed between swing arm and the swing arm down, and the end of going up the swing arm is equipped with the last transverse roller that is located between swing arm and the swing arm down, the end of swing arm is equipped with the lower transverse roller that is located between swing arm and the swing arm down, the one end of going up transverse roller and lower transverse roller with vertical roller is connected, goes up the transverse roller and is equipped with the interval down between the transverse roller, and the end position of going up the swing arm is equipped with the nylon piece of rotation connection in vertical in-plane, and the nylon piece can swing the interval position of supreme transverse roller and lower transverse roller end downwards, is formed with the blowing space that is used for passing the pipe fitting between last transverse roller, lower transverse roller, nylon piece and the vertical roller. The utility model can avoid the phenomenon of pipe breakage or distortion, and improve the production quality and the production efficiency.

Description

Blowing swing arm is used in pipe fitting drawing

Technical Field

The utility model belongs to the technical field of pipe fitting stretching, and particularly relates to a discharging swing arm for pipe fitting stretching.

Background

In the pipe fitting tensile process, the coil pipe blank generally twines on the material frame, when tensile, carry the pipe fitting on the material frame to the stretcher, just so need match the slew velocity of material frame according to the rate of draw, guarantee the tensile normal operating of pipe fitting, but at long-time tensile in-process, because the accumulation of drive part motion error, the slew velocity of rate of draw and material frame can produce unmatched phenomenon, just cause the pipe fitting to break easily this moment or the pipe fitting distortion phenomenon that the pipe fitting surplus caused between stretcher and material frame between the phenomenon etc..

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the discharging swing arm for pipe stretching, which is convenient for normal pipe stretching, avoids the phenomenon of pipe breaking or twisting, and improves the production quality and the production efficiency.

The utility model provides a discharge swing arm for pipe stretching, which adopts the technical scheme that the discharge swing arm comprises a base, a swing arm frame rotationally connected in a horizontal plane is arranged at one end of the base, an upper swing arm and a lower swing arm are arranged on the swing arm frame, the upper swing arm and the lower swing arm are vertically distributed in parallel at intervals, a vertical roller is connected between the upper swing arm and the lower swing arm in a crossing manner, an upper transverse roller positioned between the upper swing arm and the lower swing arm is arranged at the end of the upper swing arm, a lower transverse roller positioned between the upper swing arm and the lower swing arm is arranged at the end of the lower swing arm, one ends of the upper transverse roller and the lower transverse roller are connected with the vertical roller, an interval is arranged between the upper transverse roller and the lower transverse roller, a nylon block rotationally connected in a vertical plane is arranged at the end part of the upper swing arm, the nylon block can swing downwards to the interval position between the ends of the upper transverse roller and the lower transverse roller, and the upper transverse roller, And a discharging gap for passing through the pipe fitting is formed among the lower transverse roller, the nylon block and the vertical roller.

Preferably, a fixing seat is arranged on the base, a first horizontal air cylinder is installed on the fixing seat, a fixing shaft is arranged at the middle position of the upper swing arm, and the telescopic end of the first air cylinder is rotatably connected with the fixing shaft.

Preferably, the upper portion of going up the swing arm be equipped with the fixing base, install the horizontally second cylinder on the fixing base, the swinging arms that can rotate in vertical plane is installed to the end of going up the swing arm, the flexible end of second cylinder with the one end of swinging arms rotates and is connected.

Preferably, the swing arm frame comprises a swing arm rotating shaft, the swing arm rotating shaft is rotatably connected to the base, and the upper swing arm and the lower swing arm are respectively fixed on the outer annular wall of the swing arm rotating shaft.

Preferably, the swing range of the swing arm frame is 0-90 degrees.

Preferably, the emptying swing arm is provided with a plurality of photoelectric sensors distributed along the axial direction of the upper transverse roller, and the photoelectric sensors are used for sensing the radial position of the pipe between the upper transverse roller and the lower transverse roller and sending a signal.

In summary, the technical scheme of the utility model at least has the following beneficial effects:

1. the swinging arm frame capable of swinging is designed, so that the pipe fittings can be pulled, and the butt joint of the pipe fittings is facilitated;

2. by arranging the discharging gap, the pipe fitting has certain movement allowance on the discharging swing arm, and the pipe fitting can adapt to the winding and unwinding of the pipe fitting caused by different drawing speeds and discharging speeds to a certain extent;

3. by designing the nylon block, the pipe fitting can be prevented from separating from the discharge gap.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is an enlarged view of a portion of fig. 1 of the present invention.

In the figure;

1. a base; 2. an upper swing arm; 3. a lower swing arm; 4. a swing arm rotating shaft; 5. a vertical roller; 6. an upper horizontal roller; 7. a lower horizontal roller; 8. nylon blocks; 9. a discharge gap; 10. a first cylinder; 11. a second cylinder.

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.

The utility model provides a discharge swing arm for pipe stretching, as shown in figures 1-3, comprising a base 1, a swing arm frame rotatably connected in a horizontal plane is arranged at one end of the base 1, the swing arm frame is provided with an upper swing arm 2 and a lower swing arm 3, the upper swing arm 2 and the lower swing arm 3 are distributed in parallel at intervals up and down, a vertical roller 5 is bridged between the upper swing arm 2 and the lower swing arm 3, an upper transverse roller 6 positioned between the upper swing arm 2 and the lower swing arm 3 is arranged at the end of the upper swing arm 2, a lower transverse roller 7 positioned between the upper swing arm 2 and the lower swing arm 3 is arranged at the end of the lower swing arm 3, one end of the upper transverse roller 6 and one end of the lower transverse roller 7 are connected with the vertical roller 5, an interval is arranged between the upper transverse roller 6 and the lower transverse roller 7, a nylon block 8 rotatably connected in a vertical plane is arranged at the end part of the upper swing arm 2, the nylon block 8 can swing downwards to the interval position of the end of the upper transverse roller 6 and the lower transverse roller 7, and a discharging gap 9 for passing through the pipe fitting is formed among the upper transverse roller 6, the lower transverse roller 7, the nylon block 8 and the vertical roller 5.

When the pipe drawing machine works, a pipe blank is placed on the discharging frame, one end of the pipe penetrates through the discharging gap 9 to be connected with the drawing machine, the rotating axis of the swing arm frame is coaxial with the rotating axis of the discharging frame, the swing arm frame can adapt to the relative position of the discharging frame and the drawing machine through rotation, the pipe can pass through the discharging gap 9 without distortion, the rotating speed of the discharging frame is matched with the rotating speed of the drawing machine during normal drawing of the pipe, and the position of the pipe in the discharging gap is basically fixed; however, the rotating speeds of the stretcher and the discharging frame may generate differential speed after long-time work, namely the stretching speed of the stretcher is not matched with the discharging speed of the discharging frame any more; for example, when the drawing speed of the drawing machine is too high, the pipe fitting can slide in the discharge gap 9 in the direction close to the rotation center to adapt to the higher drawing speed; when stretcher drawing speed was too slow, the pipe fitting can slide to the direction of keeping away from the rotation center in blowing space 9 this moment, wherein is equipped with rotatable nylon piece 8 on last swing arm 2, and nylon piece 8 blocks up the one end opening in blowing space 9, avoids the pipe fitting to break away from blowing space 9, influences tensile effect.

In order to facilitate the installation of the first air cylinder 10, the base 1 is provided with a fixed seat, the first air cylinder 10 is installed on the fixed seat, the middle position of the upper swing arm 2 is provided with a fixed shaft, and the telescopic end of the first air cylinder 10 is rotatably connected with the fixed shaft, so that along with the telescopic action of the first air cylinder 10, the piston rod of the first air cylinder 10 can drive the swing arm frame to rotate at the position of the fixed shaft.

In order to facilitate the installation of the second cylinder 11, the upper part of the upper swing arm 2 is provided with a fixed seat, the fixed seat is provided with the horizontal second cylinder 11, the end head of the upper swing arm 2 is provided with a swing rod capable of rotating in a vertical plane, the telescopic end of the second cylinder 11 is rotatably connected with one end of the swing rod, and thus the second cylinder 11 and the swing rod rotate together with the swing arm frame.

In order to realize the rotation of the swing arm frame, the swing arm frame comprises a swing arm rotating shaft 4, the swing arm rotating shaft 4 is rotatably connected to the base 1, the upper swing arm 2 and the lower swing arm 3 are respectively fixed on the outer annular wall of the swing arm rotating shaft 4, and the swing arm rotating shaft 4, the upper swing arm 2 and the lower swing arm 3 form a flat U-shaped structure.

The swing range of the swing arm frame is 0-90 degrees, and the rotation direction can be adjusted according to field arrangement during specific design.

In the pipe fitting stretching process, in order to compensate the error of the stretching speed of the pipe fitting, a plurality of photoelectric sensors distributed along the axial direction of the upper transverse roller 6 are arranged on the swing arm frame, the photoelectric sensors are used for sensing the radial position of the pipe fitting between the upper transverse roller 6 and the lower transverse roller 7 and sending out signals, when the pipe fitting in the discharging gap 9 moves radially, the photoelectric sensors can sense the position of the pipe fitting and send out different control signals, and the rotating speed of the discharging frame is adjusted to be matched with the rotating speed of the stretcher, so that a better stretching effect is achieved.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. A discharge swing arm for pipe drawing is characterized by comprising a base, a swing arm frame which is rotatably connected in a horizontal plane is arranged at one end of the base, the swing arm frame is provided with an upper swing arm and a lower swing arm which are distributed in parallel at intervals up and down, a vertical roller is spanned between the upper swing arm and the lower swing arm, an upper cross roller positioned between the upper swing arm and the lower swing arm is arranged at the end of the upper swing arm, the end of the lower swing arm is provided with a lower transverse roller positioned between the upper swing arm and the lower swing arm, one end of the upper transverse roller and one end of the lower transverse roller are connected with the vertical roller, an interval is arranged between the upper transverse roller and the lower transverse roller, a nylon block which is rotationally connected in a vertical surface is arranged at the end part of the upper swing arm, the nylon block can swing downwards to the spacing position of the end of the upper transverse roller and the end of the lower transverse roller, and a discharging gap for passing through the pipe fitting is formed among the upper transverse roller, the lower transverse roller, the nylon block and the vertical roller.

2. The discharging swing arm for pipe stretching as claimed in claim 1, wherein the base is provided with a fixing base, the fixing base is provided with a horizontal first cylinder, a fixing shaft is arranged at the middle position of the upper swing arm, and the telescopic end of the first cylinder is rotatably connected with the fixing shaft.

3. The pipe fitting drawing feeding swing arm according to claim 1, wherein a fixed seat is arranged at the upper part of the upper swing arm, a horizontal second cylinder is mounted on the fixed seat, a swing rod capable of rotating in a vertical plane is mounted at the end of the upper swing arm, and the telescopic end of the second cylinder is rotatably connected with one end of the swing rod.

4. The discharge swing arm for pipe drawing according to claim 1, wherein the swing arm frame comprises a swing arm rotating shaft, the swing arm rotating shaft is rotatably connected to the base, and the upper swing arm and the lower swing arm are respectively fixed on outer ring walls of the swing arm rotating shaft.

5. The discharge swing arm for pipe drawing according to claim 1, wherein the swing range of the swing arm support is 0-90 °.

6. The discharge swing arm for pipe stretching as claimed in claim 1, wherein a plurality of photoelectric sensors are disposed on the discharge swing arm and distributed along the axial direction of the upper cross roller, and the photoelectric sensors are used for sensing the radial position of the pipe between the upper cross roller and the lower cross roller and sending a signal.