CN214211756U

CN214211756U - Centering device for perforation centering roller

Info

Publication number: CN214211756U
Application number: CN202023220679.5U
Authority: CN
Inventors: 肖旭
Original assignee: Liaoning Tianfeng Special Tool Manufacturing Co ltd
Current assignee: Liaoning Tianfeng Special Tool Manufacturing Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a centering device for a perforating centering roller, wherein an inlet end of a middle perforating machine is a beam frame with symmetrical shape to a centering frame, bayonets are arranged at the two ends of the centering frame, and the centering frame is clamped on a positioning column pin of the perforating machine through the bayonets at the two ends, so that a cone is coaxial with an inlet cavity of the perforating machine; a cone coaxial with the inlet cavity of the puncher is arranged on the center line of the centering frame at the inlet end of the puncher, a through hole is formed in the front end of the cone, a laser wire bonder is arranged in the cone, and laser rays of the laser wire bonder are emitted from the through hole; the original mandril thrust trolley unloads the perforating mandril, and the light beam receiver is arranged at the position of the original perforating mandril; the adjusting sample tube is arranged between the centering frame at the inlet end of the perforating machine and the mandril thrust trolley and is tightly held by a plurality of centering rollers, and two ends of the adjusting sample tube are in threaded connection with the centering sleeve; the central parts of the two centering sleeves are coaxially provided with centering holes. The utility model discloses the centering is effectual, has removed traditional gadget such as thin copper wire, protractor, steel plate chi from, has improved work efficiency.

Description

Centering device for perforation centering roller

Technical Field

The utility model relates to a steel pipe rolling technique specifically is a perforation centring roller centering device.

Background

In iron and steel production enterprises, hot rolling pipes have three basic processes, namely, an ingot or a blank is penetrated into a hollow thick-wall hollow tubular billet on a perforating machine, the tubular billet is rolled to be thin on an extending machine and extended into a rough pipe with the wall thickness close to that of the hollow thick-wall hollow tubular billet, and the rough pipe is rolled into a required finished pipe on a finishing mill. The production equipment comprises a puncher, an automatic pipe rolling mill, a leveling machine, a sizing mill, a reducing mill and the like, the central lines of a plurality of centering rollers at the back of the puncher, the central lines of rollers in the puncher and the central line of a punching ejector rod trolley are theoretically aligned, the central lines of the equipment deviate from ideal positions due to the running vibration or the gradual aging of the equipment in a production field, the wall thickness of a capillary pipe penetrated by the puncher is uneven, the uneven wall thickness caused by punching cannot be completely eliminated by rolling of the pipe rolling mill, the wall thickness of the head and the tail of the steel pipe is over-poor, and therefore frequent adjustment is needed. The alignment at every turn adopts traditional gadget such as thin copper wire, protractor, steel plate chi to operate through the manual work, wastes time and energy, and still there is the deviation, and centering effect is not good.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough that exists among the prior art, the utility model aims to solve the problem that a simple, convenient, practical perforation centring roller centering device is provided.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a centering device for a perforating centering roller, which comprises a centering frame for an inlet end of a perforating machine, a cone, a laser wire bonder, a light beam receiver and an adjusting sample tube, wherein the centering frame for the inlet end of the perforating machine is a beam frame with symmetrical shape, bayonets are arranged at the inlet end of the perforating machine to two ends of the centering frame, and the centering frame for the inlet end of the perforating machine is clamped on a positioning column pin of the perforating machine through the bayonets at two ends so that the cone is coaxial with the inlet cavity of the perforating machine; a cone coaxial with the inlet cavity of the puncher is arranged on the center line of the centering frame at the inlet end of the puncher, a through hole is formed in the front end of the cone, a laser wire bonder is arranged in the cone, and laser rays of the laser wire bonder are emitted from the through hole; the original mandril thrust trolley unloads the perforating mandril, and the light beam receiver is arranged at the position of the original perforating mandril; the adjusting sample tube is arranged between the centering frame at the inlet end of the perforating machine and the mandril thrust trolley and is tightly held by a plurality of centering rollers, and two ends of the adjusting sample tube are in threaded connection with the centering sleeve; the central parts of the two centering sleeves are coaxially provided with centering holes.

The cone is of a hollow structure and comprises a cylindrical surface and a conical surface, the conical surface is arranged at the front end of the cylindrical surface, and external threads are arranged on the outer side of the cylindrical surface; a through hole is formed in the middle of the centering frame at the inlet end of the puncher and is provided with internal threads; the cylindrical surface of the cone is in threaded connection with the through hole.

And the tail end of the cylindrical surface is fixedly provided with a laser wire bonder, a light beam emitted by the laser wire bonder is positioned on the axis of the cone, and the light beam is emitted out from the through hole through the inner cavity of the cone.

The utility model has the following beneficial effects and advantages:

1. the utility model discloses the method is simple and practical, can be through artifical observation, also can send the successful information of centering by the control unit, does not have the deviation, and the centering effect is fabulous, and saves labour and time, only need through the centering roller adjust the angle of adjustment appearance pipe can, easy operation has removed traditional gadget such as thin copper wire, protractor, steel plate chi from, has improved work efficiency.

Drawings

FIG. 1A is a schematic structural view of a centering device for a piercing centering roller according to the present invention;

FIG. 1B is a top view of FIG. 1A;

FIG. 2A is a schematic view of the centering sleeve structure of the middle punch ejector pin trolley of the present invention;

FIG. 2B is a left side sectional view of FIG. 2A;

FIG. 3 is a schematic view of a middle adjustment sample tube according to the present invention;

FIG. 4A is a front view of the alignment sleeve structure of the middle adjustment sample tube of the present invention;

FIG. 4B is a side view of FIG. 4A;

FIG. 5 is a schematic diagram of the center line of a multi-frame centering roller at the back of a perforation, the center line of a roller in the perforation machine and the center line of a perforation mandril trolley.

Wherein, 1 is the centering frame of piercing mill entry end, 2 is the cone, 3 is the laser marking device, 4 is the bayonet socket, 5 is the locating pin post, 6 is the light beam receiver, 7 is the adjustment appearance pipe, 8 is perforation ejector pin dolly centering cover, 9 is the adjustment appearance pipe centering cover.

Detailed Description

The invention will be further explained with reference to the drawings attached to the specification.

As shown in fig. 1A-1B, the utility model provides a centering device for perforating centering rollers, which comprises a perforating machine inlet end centering frame 1, a cone 2, a laser wire bonder 3, a light beam receiver 6 and an adjusting sample tube 7 (as shown in fig. 3), wherein the perforating machine inlet end centering frame 1 is a beam frame with symmetrical shape, bayonets 4 are arranged at the two ends of the perforating machine inlet end centering frame 1, the perforating machine inlet end centering frame 1 is clamped on positioning column pins of the perforating machine through the bayonets 4 at the two ends, so that the cone 2 is coaxial with the perforating machine inlet cavity; a cone 2 coaxial with an inlet cavity of the puncher is arranged on the center line of the centering frame 1 at the inlet end of the puncher, a through hole is formed in the front end of the cone 2, a laser wire bonder 3 is arranged in the cone 2, and light beams of the laser wire bonder 3 are emitted from the through hole; the original mandril anti-thrust trolley unloads the perforation mandril, the light beam receiver 6 is arranged at the position of the original perforation mandril, and the front end of the light beam receiver 6 is provided with a perforation mandril trolley centering sleeve 8 (as shown in figures 2A-2B); the adjusting sample tube 7 is arranged between the centering frame 1 at the inlet end of the perforating machine and the mandril thrust trolley and is tightly held by a plurality of centering rollers, and two ends of the adjusting sample tube 7 are in threaded connection with an adjusting sample tube centering sleeve 9 (shown in figures 4A-4B); the central parts of the two sample adjusting pipe centering sleeves 9 are coaxially provided with centering holes.

As shown in fig. 1B, the cone 2 is a hollow structure, and includes a cylindrical surface and a conical surface, the conical surface is arranged at the front end of the cylindrical surface, and the outer side of the cylindrical surface is provided with external threads; a through hole is formed in the middle of the centering frame 1 at the inlet end of the puncher and is provided with internal threads; the cylindrical surface of the cone 2 is in threaded connection with the through hole; the tail end of the cylindrical surface is fixedly provided with a laser wire bonding device 3, the position of a light beam emitted by the laser wire bonding device 3 is on the axis of the cone 2, and the light beam is emitted from the through hole through the inner cavity of the cone 2.

The utility model discloses need according to the punch entry end centering frame 1 of concrete punch size preparation, cone 2 is installed perpendicularly on the symmetry center line of punch entry end centering frame 1, and punch entry end centering frame 1 hangs through the bayonet socket at both ends and fixes on the punch reference column round pin, and the mounted position guarantees that the axis of cone 2 coincides with the axis that the steel pipe got into;

the laser wire bonder 3 can be connected with the internal thread at the tail end of the cone 2 through external threads to ensure coaxiality, and can also be installed at the tail end of the cone 2 through the installation frame to ensure that the laser wire bonder 3 and the cone 2 are coaxially installed. After the inlet end of the perforating machine is aligned with the centering frame 1, the centering frame is directly clamped on a positioning column pin of the perforating machine, the coaxiality does not need to be adjusted, and the installation is rapid.

The utility model discloses a use as follows:

placing the centering frame 1 at the inlet end of the perforating machine on a positioning column pin of the perforating machine for fixing;

the centering rollers sequentially hold the prepared adjusting sample tubes; two sample adjusting pipe centering sleeves 9 are arranged at two ends of each sample adjusting pipe;

the piercing mandril is unloaded, the mandril anti-thrust trolley is opened to a rolling position, the locking device is locked, and the piercing mandril trolley centering sleeve is arranged at the front end of the mandril anti-thrust trolley light beam receiver 6;

electrifying the laser wire bonding device 3 on the centering frame 1 at the inlet end of the hole feeding machine;

if the light beam emitted by the cone 2 enters from the middle hole of one adjusting sample tube centering sleeve 9 of the adjusting sample tube 7 and is emitted from the middle hole of the other adjusting sample tube centering sleeve and then enters the middle hole of the centering sleeve of the perforating push rod trolley, the center lines of the plurality of centering rollers at the perforating background, the center line of the roller in the perforating machine and the center line of the perforating push rod trolley are on the same straight line (as shown in figure 5), and the centering is finished;

otherwise, if the light beam is not seen, the centering rollers of each frame are sequentially adjusted to enable the large line to be positioned in the centers of the centering rollers of the centering sample tubes of each frame until the light beam is emitted from the middle hole of the centering sleeve of the centering sample tube at the tail end of the centering sample tube 7 and enters the middle hole of the centering sleeve of the perforation push rod trolley, and the adjustment process is completed.

Or after the signal is received by the light beam receiver 6, the received signal is sent to the control unit, the information returned by the control unit to complete the centering is displayed on a field screen connected with the control unit, and the centering is successful through sound prompt, namely, the whistle is heard.

And (3) detaching the centering frame 1 at the inlet end of the perforating machine, detaching the adjusting sample tube 7 and the adjusting sample tube centering sleeves 9 at the two ends of the adjusting sample tube and the perforating ejector rod trolley centering sleeve on the perforating ejector rod trolley, and remounting the perforating ejector rod on the perforating ejector rod trolley to prepare for use.

In the process, the centering frame 1 at the inlet end of the perforating machine and the ejector rod thrust trolley are fixed, and the central lines are on the same straight line in design, so that the angle of the sample tube can be adjusted only by the centering roller, the operation is simple, traditional small tools such as thin steel wires, protractors and steel plate rulers are omitted, and the working efficiency is improved.

Claims

1. A perforation centering roller centering device is characterized in that: the system comprises a centering frame at the inlet end of the perforating machine, a cone, a laser wire bonder, a light beam receiver and an adjusting sample tube, wherein the centering frame at the inlet end of the perforating machine is a beam frame with symmetrical shape; a cone coaxial with the inlet cavity of the puncher is arranged on the center line of the centering frame at the inlet end of the puncher, a through hole is formed in the front end of the cone, a laser wire bonder is arranged in the cone, and laser rays of the laser wire bonder are emitted from the through hole; the original mandril thrust trolley unloads the perforating mandril, and the light beam receiver is arranged at the position of the original perforating mandril; the adjusting sample tube is arranged between the centering frame at the inlet end of the perforating machine and the mandril thrust trolley and is tightly held by a plurality of centering rollers, and two ends of the adjusting sample tube are in threaded connection with the centering sleeve; the central parts of the two centering sleeves are coaxially provided with centering holes.

2. The perforating centering roller centering device of claim 1, wherein: the cone is of a hollow structure and comprises a cylindrical surface and a conical surface, the conical surface is arranged at the front end of the cylindrical surface, and external threads are arranged on the outer side of the cylindrical surface; a through hole is formed in the middle of the centering frame at the inlet end of the puncher and is provided with internal threads; the cylindrical surface of the cone is in threaded connection with the through hole.

3. The perforating centering roller centering device of claim 2, wherein: and the tail end of the cylindrical surface is fixedly provided with a laser wire bonder, a light beam emitted by the laser wire bonder is positioned on the axis of the cone, and the light beam is emitted out from the through hole through the inner cavity of the cone.