CN111745066A - Round pipe end correcting device and using method thereof - Google Patents
Round pipe end correcting device and using method thereof Download PDFInfo
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- CN111745066A CN111745066A CN202010633607.9A CN202010633607A CN111745066A CN 111745066 A CN111745066 A CN 111745066A CN 202010633607 A CN202010633607 A CN 202010633607A CN 111745066 A CN111745066 A CN 111745066A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention belongs to the field of pipeline processing, and particularly relates to a circular tube end correcting device and a using method thereof. The support component can support the inner wall of the circular tube when the end part of the circular tube deforms, so that when the long edge of the end part of the circular tube is extruded by the extrusion part, the end part of the circular tube can enable the short edge of the end part of the circular tube to have a tendency of gradually lengthening through the support component, and the end part of the circular tube can be better corrected to be in a circular structure.
Description
Technical Field
The invention belongs to the field of pipeline machining, and particularly relates to a circular tube end correcting device and a using method thereof.
Background
The round pipe is a steel material with two open ends and a hollow concentric cross section, and the length of the round pipe is larger than that of the periphery of the round pipe, and the round pipe can be used for pipelines, thermal equipment, mechanical industry, petroleum geological drilling, containers, chemical industry and special purposes.
But the pipe is usually because the extrusion at the tip of in-process pipe that uses, the condition such as collision makes the pipe tip take place deformation, make it the cross-section for becoming oval structure, influence the normal use of pipe, direct tip with the deformation is cuted during present most common operation, and then ensure that the pipeline tip becomes circular again, but so can cause the material extravagant, if correct to the pipeline tip, present equipment need adjust to correction machine according to the size of pipeline, when correcting to the pipeline of different models, need constantly adjust correction machine, cause work efficiency extremely low.
To this end, we propose a round tube end straightening device and a method of using the same to solve the above problems.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a round tube end straightening device capable of straightening a round tube end.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a pipe tip orthotic devices, includes the base, be equipped with fixed block and fixed establishment on the base, one side that the fixed block is close to fixed establishment rotates the rotating sleeve that is connected with the axis level and sets up, be equipped with a plurality of extrusions, a plurality of in the rotating sleeve extruded uniform distribution is on the rotating sleeve inside wall, be equipped with the cavity in the rotating sleeve lateral wall, the cavity lateral wall is equipped with the gas vent, the mechanism of admitting air that rotating sleeve inside wall fixedly connected with and cavity are linked together, the fixed sleeve that fixedly connected with axis and rotating sleeve axis coincidence set up on the fixed block, the fixed sleeve runs through the fixed block and extends to one side fixedly connected with supporting component that the fixed block is close to.
Preferably, the fixing mechanism comprises a fixed die, a movable die and a hydraulic cylinder, the fixed die is fixedly connected with the base, the hydraulic cylinder is fixedly connected with the side wall of the fixed die, the top end of the hydraulic cylinder is fixedly connected with the movable die, the fixed die is provided with a first fixing groove which is recessed downwards, and the movable die is internally provided with a second fixing groove which is recessed upwards.
Preferably, the extruded article comprises correction piece, connecting rod, sliding sleeve and first slider, first slider and sliding sleeve inner wall fixed connection, connecting rod and sliding block fixed connection, the connecting rod other end runs through sliding sleeve and extends to the external world and corrects a fixed connection, first slider is square structure with sliding sleeve inner wall, sliding sleeve and cavity intercommunication setting.
Preferably, one side fixedly connected with cylinder that fixed establishment was kept away from to the fixed sleeve, the cylinder output runs through the fixed sleeve lateral wall and extends to fixedly connected with fourth slider in the fixed sleeve.
Preferably, the mechanism of admitting air comprises air inlet sleeve, second slider, first spring and fixed plate, air inlet sleeve with rotate sleeve inner wall fixed connection and with the cavity intercommunication setting, second slider and air inlet sleeve sliding connection, fixed plate and air inlet sleeve inner wall fixed connection, be equipped with the second check valve on the fixed plate, be equipped with first check valve on the second slider, first spring both ends respectively with fixed plate and second slider fixed connection, be equipped with ferromagnetic plate on the second slider, the fixed plate is located one side that the second slider is close to the cavity.
Preferably, the supporting component is equipped with a plurality ofly and sets up with the fixed sleeve intercommunication, the supporting component comprises connecting cylinder, third slider, connecting strip and support ball, the connecting cylinder with fixed sleeve fixed connection and with the fixed sleeve intercommunication setting, third slider and connecting cylinder inner wall sliding connection, connecting strip and third slider fixed connection, the connecting strip runs through fixed sleeve and extends to the external world and support ball fixed connection, the support ball is the magnetism ball, just one side magnetic pole that the connecting strip was kept away from to the support ball sets up with the magnetic pole that first spring one side was kept away from to ferromagnetic piece is the same.
Preferably, the extruded parts are provided with four and uniformly distributed, and pressure sensing devices are arranged on the extruded parts.
Preferably, the outer side wall of the rotating sleeve is fixedly connected with a rotating gear, the rotating gear is meshed with a transmission gear, the transmission gear is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a fixing block, and the fixing block is fixedly connected with a motor of which the output end is fixedly connected with the rotating shaft.
A method of using a round tube end orthotic device, comprising the steps of:
s1, placing the circular tube in the first fixing groove on the fixed die, enabling the fixed sleeve and the support assembly to be located inside the circular tube, then controlling the hydraulic cylinder to start descending, enabling the hydraulic cylinder to drive the movable die to move downwards, and enabling the movable die to fix the circular tube between the first fixing groove and the second fixing groove;
s2, controlling the cylinder to start working, wherein the cylinder pushes the fourth sliding block to move, so that the air pressure in the fixed sleeve is increased, the third sliding block is pushed to move, and the third sliding block enables the supporting ball to abut against the inner wall of the pipeline through the connecting strip;
s3, controlling the motor to start working, wherein the motor drives the rotating shaft fixedly connected with the motor to rotate, the rotating shaft drives the transmission gear fixedly connected with the rotating shaft to rotate, and the transmission gear drives the rotating sleeve to rotate through the rotating gear in meshed connection with the transmission gear;
s4, when the rotating sleeve rotates and the air inlet mechanism is gradually close to the supporting ball, the supporting ball enables the second sliding block to move towards the direction far away from the supporting ball through magnetic force, and therefore the second sliding block can extrude air between the fixing plate and the second sliding block into the cavity to enable the pressure in the cavity to be increased;
s5, the air in the cavity enters the sliding sleeve due to the increase of the pressure in the cavity, the first sliding block is pushed to move, the connecting rod drives the correcting piece to move towards the direction of the pipeline until the correcting piece is contacted with the outer side wall of the pipeline, and when the rotating sleeve drives the correcting piece to rotate, the correcting piece extrudes the outer side wall of the pipeline, so that the outer side wall of the end part of the pipeline is gradually changed into a circular structure;
and S6, when the correcting element is abutted against the outer side wall of the pipeline and the pressure value of the correcting element moving on the outer side wall of the pipeline is stable, the end part of the pipeline is corrected into a circular shape.
Compared with the prior art, the round tube end correcting device and the using method thereof have the advantages that:
1. the circular pipe straightening machine has the advantages that the circular pipe can be straightened through extrusion of the extrusion piece and the rotating sleeve through the arrangement of the extrusion piece and the rotating sleeve, so that the problem that the end part of the circular pipe cannot be normally utilized due to deformation is avoided, the problem that the end part of the circular pipe needs to be cut off to cause resource waste and the like is avoided, the straightening effect can be well achieved in the face of pipelines of different models, and frequent adjustment of the device is not needed.
2. According to the invention, the air inlet mechanism is arranged, so that in the rotating process of the rotating sleeve, air can be continuously injected into the cavity by the air inlet mechanism, the air in the cavity can be injected into the extrusion piece, the length of the extrusion piece is gradually changed, the end part of the circular tube is gradually corrected, and the end part of the circular tube has a better correction effect.
3. The supporting component is arranged, so that the inner wall of the circular tube can be supported when the end part of the circular tube deforms, when the long edge of the end part of the circular tube is extruded by the extrusion part, the end part of the circular tube can enable the short edge of the end part of the circular tube to have a tendency of gradually lengthening through the supporting component, and the end part of the circular tube can be better corrected into a circular structure.
4. The fixing mechanism is arranged to fix the circular tube, so that the circular tube can be fixed, and the position of the circular tube can be prevented from being changed when the extrusion piece extrudes the circular tube.
5. According to the invention, the air pressure in the connecting cylinder can be controlled by arranging the air cylinder, the fourth slide block and other structures, so that the position of the supporting ball in the connecting cylinder can be controlled, and the plurality of supporting assemblies can be conveniently controlled to conveniently enter the end part of the circular tube and be taken out.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment 1 of a round tube end straightening device and a method for using the same according to the present invention;
FIG. 2 is a schematic view of a vertical cross-section structure of a circular tube end straightening device and a method for using the same according to embodiment 1 of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
FIG. 6 is a schematic view showing the details of an apparatus for straightening the end of a circular tube and a method for using the same according to example 2 of the present invention.
In the figure, 1 base, 2 fixed blocks, 3 fixed mechanisms, 31 fixed dies, 32 movable dies, 33 hydraulic cylinders, 4 rotating sleeves, 41 cavities, 42 exhaust ports, 5 extrusion pieces, 51 correction pieces, 52 connecting rods, 53 sliding sleeves, 54 first sliding blocks, 6 air inlet mechanisms, 61 air inlet sleeves, 62 second sliding blocks, 63 first springs, 64 fixed plates, 7 fixed sleeves, 8 supporting components, 81 connecting cylinders, 82 third sliding blocks, 83 connecting strips, 84 supporting balls and 9 pressure sensing devices.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-5, a round tube end straightening device and a using method thereof comprise a base 1, wherein a fixing block 2 and a fixing mechanism 3 are arranged on the base 1, and the fixing block 2 is fixedly connected with the base 1.
As shown in fig. 1, the fixing mechanism 3 comprises a fixed die 31, a movable die 32 and a hydraulic cylinder 33, the fixed die 31 is fixedly connected with the base 1, the hydraulic cylinder 33 is fixedly connected with the side wall of the fixed die 31, the top end of the hydraulic cylinder 33 is fixedly connected with the movable die 32, the fixed die 31 is provided with a first fixing groove which is recessed downwards, and the movable die 32 is provided with a second fixing groove which is recessed upwards.
Can play fine fixed effect to the pipe through first fixed slot and second fixed slot.
One side that fixed block 2 is close to fixed establishment 3 is rotated and is connected with the rotating sleeve 4 that the axis level set up, is equipped with a plurality of extruded articles 5 in the rotating sleeve 4, and a plurality of extruded articles 5 evenly distributed is on rotating sleeve 4 inside wall.
As shown in fig. 4, the extrusion member 5 is composed of a correcting member 51, a connecting rod 52, a sliding sleeve 53 and a first sliding block 54, the first sliding block 54 is fixedly connected with the inner wall of the sliding sleeve 53, the connecting rod 52 is fixedly connected with the first sliding block 54, the other end of the connecting rod 52 penetrates through the sliding sleeve 53 and extends to the outside to be fixedly connected with the correcting member 51, and the inner walls of the first sliding block 54 and the sliding sleeve 53 are both square structures.
A second spring is arranged between the first slider 54 and the sliding sleeve 53, and the second spring is axially sleeved on the connecting rod 52.
The correcting piece 51 consists of a connecting piece and a rolling roller, the connecting piece is fixedly connected with the connecting rod 52, and the correcting piece 51 is abutted against the end part of the circular tube through the rolling roller.
As shown in fig. 1, a cavity 41 is provided in the side wall of the rotating sleeve 4, and the sliding sleeve 53 is provided to communicate with the cavity 41.
The second spring is a compression spring, and when the cavity 41 is equal to the external air pressure, the correcting member 51 can be located at a position close to the side wall of the rotating sleeve 4, so that the circular tube can be conveniently inserted into the rotating sleeve 4.
The cavity 41 lateral wall is equipped with gas vent 42, when needs take out the pipeline, realizes pressure release in to cavity 1 through opening gas vent 42, and then avoids correcting 51 and the pipe closely offsets, leads to the pipe to be difficult to take out the circumstances such as, rotates the mechanism 6 that admits air that 4 inside wall fixedly connected with of sleeve and cavity 41 are linked together.
As shown in fig. 3, the air intake mechanism 6 comprises an air intake sleeve 61, a second slider 62, a first spring 63 and a fixing plate 64, wherein the air intake sleeve 61 is fixedly connected with the inner wall of the rotating sleeve 4 and is communicated with the cavity 41, the second slider 62 is connected with the air intake sleeve 61 in a sealing and sliding manner, and the fixing plate 64 is fixedly connected with the inner wall of the air intake sleeve 61.
The fixed plate 64 is provided with a second one-way valve which is communicated with the cavity 41 in a one-way mode through the air inlet sleeve 61, the second sliding block 62 is provided with a first one-way valve, and the first one-way valve is communicated with the air inlet sleeve 61 in a one-way mode from the outside.
Two ends of the first spring 63 are respectively fixedly connected with the fixing plate 64 and the second sliding block 62, a ferromagnetic sheet is arranged on the second sliding block 62, and the fixing plate 64 is positioned on one side of the second sliding block 62 close to the cavity 41.
The fixed block 2 is fixedly connected with a fixed sleeve 7 with the axis coincident with the axis of the rotating sleeve 4.
One side fixedly connected with cylinder that fixed establishment 3 was kept away from to fixed sleeve 7, and the cylinder output runs through fixed sleeve 7 lateral wall and extends to fixedly connected with fourth slider in fixed sleeve 7.
The fixing sleeve 7 penetrates through the fixing block 2 and extends to one side, close to the fixing mechanism 3, of the fixing block 2, and a supporting component 8 is fixedly connected with the fixing sleeve.
As shown in fig. 5, the supporting component 8 is provided with a plurality of and communicates with the fixing sleeve 7, the supporting component 8 is composed of a connecting cylinder 81, a third slider 82, a connecting strip 83 and a supporting ball 84, the connecting cylinder 81 is fixedly connected with the fixing sleeve 7 and communicates with the fixing sleeve 7, the third slider 82 is slidably connected with the inner wall of the connecting cylinder 81, the connecting strip 83 is fixedly connected with the third slider 82, the connecting strip 83 penetrates through the fixing sleeve 7 and extends to the outside to be fixedly connected with the supporting ball 84, the supporting ball 84 is a magnetic ball, and a magnetic pole on one side of the supporting ball 84 far away from the connecting strip 83 is arranged the same as a magnetic pole on one side of the ferromagnetic sheet far away from the first spring 63.
Can play the effect of support to the pipe inner wall when pipe tip warp through setting up supporting component 8, and then when making the long limit of pipe tip extruded by extruded article 5, the pipe tip will promote pipe tip minor face through supporting component 8 and keep away from each other and lengthen, and then ensure that what pipe tip can be better is corrected to circular structure
The outer side wall of the rotating sleeve 4 is fixedly connected with a rotating gear, the rotating gear is meshed with a transmission gear, the transmission gear is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with the fixing block 2, and the fixing block 2 is fixedly connected with a motor of which the output end is fixedly connected with the rotating shaft.
When the invention is used, firstly, a circular tube is placed in the first fixing groove on the fixed die 31, the fixed sleeve 7 and the supporting assembly 8 are positioned in the circular tube, then the hydraulic cylinder 33 is controlled to start descending, the hydraulic cylinder 33 drives the movable die 32 to move downwards, and the movable die 32 fixes the circular tube between the first fixing groove and the second fixing groove.
Then the control cylinder begins work, and the cylinder will promote the fourth slider and remove for the increase of air pressure in the fixed sleeve 7, the increase of the inside air pressure of fixed sleeve 7 makes the air pressure increase in the connecting cylinder 81 that communicates with it, and then will promote the third slider 82 and remove, and the third slider 82 will make support ball 84 offset with the pipeline inner wall through connecting strip 83.
The motor is controlled to start working, the motor drives the rotating shaft fixedly connected with the motor to rotate, the rotating shaft drives the transmission gear fixedly connected with the rotating shaft to rotate, and the transmission gear drives the rotating sleeve 4 to slowly rotate at a constant speed through the rotating gear in meshed connection with the transmission gear.
When the rotating sleeve 4 rotates and the air inlet mechanism 6 gradually approaches the supporting ball 84, the supporting ball 84 will make the second slider 62 move away from the supporting ball 84 by magnetic force, and thus the second slider 62 will press the air between the fixed plate 64 and the second slider 62 into the cavity 41 to increase the pressure in the cavity 41.
The increase of the pressure in the cavity 41 will make the air in the cavity 41 enter the sliding sleeve 53, and push the first slider 54 to move, so that the connecting rod 52 drives the correcting member 51 to move towards the direction of the pipeline until the correcting member 51 contacts with the outer side wall of the pipeline, and when the rotating sleeve 4 drives the correcting member 51 to rotate, the correcting member 51 will press the outer side wall of the pipeline, and the above steps are repeated in the process of continuous rotation, so that the distance between the correcting member 51 and the inner wall of the rotating sleeve 4 is gradually increased, further the correcting member 51 gradually presses the outer side wall of the end of the pipeline, and finally the outer side wall of the end of the pipeline gradually changes into a circular structure.
Example 2
As shown in fig. 6, the present embodiment is different from embodiment 1 in that: the extrusion member 5 is provided with a pressure sensing device 9.
When the straightening element 51 abuts against the outer side wall of the pipe and the pressure value of the straightening element 51 moving on the outer side wall of the pipe is stable, the distance between each part of the pipe and the straightening element 51 is equal, so that the pipe end can be ensured to be straightened into a circular shape at the moment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a pipe tip orthotic devices, includes base (1), its characterized in that, be equipped with fixed block (2) and fixed establishment (3) on base (1), one side that fixed block (2) are close to fixed establishment (3) is rotated and is connected with rotating sleeve (4) that the axis level set up, be equipped with a plurality of extruded articles (5) in rotating sleeve (4), it is a plurality of extruded article (5) evenly distributed is on rotating sleeve (4) inside wall, be equipped with cavity (41) in rotating sleeve (4) lateral wall, cavity (41) lateral wall is equipped with gas vent (42), it constructs (6) to rotate inlet air that sleeve (4) inside wall fixedly connected with is linked together with cavity (41), fixedly connected with axis and rotating sleeve (4) axis coincidence set up on fixed block (2) fixed sleeve (7), fixed sleeve (7) run through fixed block (2) and extend to fixed block (2) and are close to fixed establishment (3) Is fixedly connected with a supporting component (8).
2. The round tube end straightening device according to claim 1, characterized in that the fixing mechanism (3) comprises a fixed die (31), a movable die (32) and a hydraulic cylinder (33), the fixed die (31) is fixedly connected with the base (1), the hydraulic cylinder (33) is fixedly connected with the side wall of the fixed die (31), the top end of the hydraulic cylinder (33) is fixedly connected with the movable die (32), the fixed die (31) is provided with a first fixing groove which is concave downwards, and the movable die (32) is provided with a second fixing groove which is concave upwards.
3. The round pipe end straightening device according to claim 2, wherein the extruding part (5) consists of a straightening part (51), a connecting rod (52), a sliding sleeve (53) and a first sliding block (54), the first sliding block (54) is fixedly connected with the inner wall of the sliding sleeve (53), the connecting rod (52) is fixedly connected with the first sliding block (54), the other end of the connecting rod (52) penetrates through the sliding sleeve (53) and extends to the outside to be fixedly connected with the straightening part (51), the first sliding block (54) and the inner wall of the sliding sleeve (53) are both in a square structure, and the sliding sleeve (53) is communicated with the cavity (41).
4. The round pipe end straightening device according to claim 3, characterized in that a cylinder is fixedly connected to one side of the fixing sleeve (7) away from the fixing mechanism (3), and an output end of the cylinder penetrates through a side wall of the fixing sleeve (7) and extends into the fixing sleeve (7) to be fixedly connected with a fourth sliding block.
5. The round tube end straightening device according to claim 1, characterized in that the air inlet mechanism (6) is composed of an air inlet sleeve (61), a second slide block (62), a first spring (63) and a fixed plate (64), the air inlet sleeve (61) is fixedly connected with the inner wall of the rotating sleeve (4) and is communicated with the cavity (41), the second sliding block (62) is connected with the air inlet sleeve (61) in a sliding way, the fixed plate (64) is fixedly connected with the inner wall of the air inlet sleeve (61), a second one-way valve is arranged on the fixed plate (64), a first one-way valve is arranged on the second sliding block (62), two ends of the first spring (63) are respectively fixedly connected with the fixed plate (64) and the second sliding block (62), the second sliding block (62) is provided with a ferromagnetic sheet, and the fixing plate (64) is positioned on one side of the second sliding block (62) close to the cavity (41).
6. A device for straightening the end of a round tube according to claim 1, characterized in that the support elements (8) are provided in a plurality and are arranged in communication with the fixing sleeve (7), the supporting component (8) consists of a connecting cylinder (81), a third sliding block (82), a connecting strip (83) and a supporting ball (84), the connecting cylinder (81) is fixedly connected with the fixed sleeve (7) and is communicated with the fixed sleeve (7), the third sliding block (82) is connected with the inner wall of the connecting cylinder (81) in a sliding way, the connecting strip (83) is fixedly connected with the third sliding block (82), the connecting strip (83) penetrates through the fixed sleeve (7) and extends to the outside to be fixedly connected with the supporting ball (84), the supporting ball (84) is a magnetic ball, and the magnetic pole of the side of the supporting ball (84) far away from the connecting strip (83) is arranged the same as the magnetic pole of the side of the ferromagnetic sheet far away from the first spring (63).
7. The round tube end straightening device according to claim 1, characterized in that a rotating gear is fixedly connected to the outer side wall of the rotating sleeve (4), the rotating gear is meshed with a transmission gear, the transmission gear is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a fixed block (2), and a motor which is fixedly connected with an output end and the rotating shaft is fixedly connected to the fixed block (2).
8. A round tube end straightening device according to claim 1 in which the extrusion (5) is provided with pressure sensing means (9).
9. The method of using a round tube end orthotic device according to any one of claims 2 to 8, the method comprising the steps of:
s1, placing the circular tube in a first fixing groove on a fixed die (31), enabling the fixing sleeve (7) and the supporting assembly (8) to be located inside the circular tube, controlling the hydraulic cylinder (33) to start descending, enabling the hydraulic cylinder (33) to drive the movable die (32) to move downwards, and enabling the movable die (32) to fix the circular tube between the first fixing groove and a second fixing groove;
s2, controlling the cylinder to work, wherein the cylinder pushes the fourth sliding block to move, so that the air pressure in the fixed sleeve (7) is increased, the third sliding block (82) is pushed to move, and the third sliding block (82) enables the supporting ball (84) to be abutted against the inner wall of the pipeline through the connecting strip (83);
s3, controlling the motor to start working, wherein the motor drives the rotating shaft fixedly connected with the motor to rotate, the rotating shaft drives the transmission gear fixedly connected with the rotating shaft to rotate, and the transmission gear drives the rotating sleeve (4) to rotate through the rotating gear in meshed connection with the transmission gear;
s4, when the rotating sleeve (4) rotates, when the air inlet mechanism (6) is gradually close to the supporting ball (84), the supporting ball (84) will make the second sliding block (62) move towards the direction far away from the supporting ball (84) through magnetic force, and then the second sliding block (62) will squeeze the air between the fixed plate (64) and the second sliding block (62) into the cavity (41) to increase the pressure in the cavity (41);
s5, the air in the cavity (41) enters the sliding sleeve (53) and pushes the first sliding block (54) to move, so that the connecting rod (52) drives the correcting piece (51) to move towards the pipeline until the correcting piece (51) is in contact with the outer side wall of the pipeline, and when the rotating sleeve (4) drives the correcting piece (51) to rotate, the correcting piece (51) extrudes the outer side wall of the pipeline, so that the outer side wall of the end part of the pipeline gradually becomes a circular structure;
and S6, when the correcting element (51) is always abutted against the outer side wall of the pipeline and the pressure value of the correcting element (51) moving on the outer side wall of the pipeline is stable, the end part of the pipeline is already corrected into a circular shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010633607.9A CN111745066A (en) | 2020-07-02 | 2020-07-02 | Round pipe end correcting device and using method thereof |
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| CN202010633607.9A CN111745066A (en) | 2020-07-02 | 2020-07-02 | Round pipe end correcting device and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275845A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Correcting and bending preventing equipment suitable for hot-rolled steel pipe production |
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| CN105268780A (en) * | 2014-07-17 | 2016-01-27 | Sms米尔股份有限公司 | Method and apparatus for correcting end of metal tube |
| CN106270003A (en) * | 2016-08-26 | 2017-01-04 | 安徽皖南电机股份有限公司 | The apparatus for shaping of thin-walled revolving meber |
| CN206763648U (en) * | 2017-06-02 | 2017-12-19 | 中建安装工程有限公司 | A kind of large diameter pipeline ovality apparatus for correcting |
| CN109454129A (en) * | 2018-11-01 | 2019-03-12 | 温州市宇田钢管有限公司 | A kind of steel pipe apparatus for correcting |
| CN209736370U (en) * | 2019-04-12 | 2019-12-06 | 冉子兴 | Straightening device for building metal pipe fitting material |
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| CN210231070U (en) * | 2019-07-06 | 2020-04-03 | 江阴市南方不锈钢管有限公司 | Steel pipe external diameter correcting unit |
| CN210730607U (en) * | 2019-09-30 | 2020-06-12 | 太仓腾辉金属制品有限公司 | High-precision automatic roundness correction device suitable for aluminum alloy pipes |
| CN111215483A (en) * | 2020-03-20 | 2020-06-02 | 中国二十二冶集团有限公司 | Pipe orifice rounding, shaping and butting device |
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| CN112275845A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Correcting and bending preventing equipment suitable for hot-rolled steel pipe production |
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