CN110802129A - Special steel pipe precision shaping machine - Google Patents
Special steel pipe precision shaping machine Download PDFInfo
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- CN110802129A CN110802129A CN201911108737.4A CN201911108737A CN110802129A CN 110802129 A CN110802129 A CN 110802129A CN 201911108737 A CN201911108737 A CN 201911108737A CN 110802129 A CN110802129 A CN 110802129A
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- steel pipe
- special steel
- extrusion
- roller
- extrusion roller
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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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/30—Finishing tubes, e.g. sizing, burnishing
Abstract
The invention belongs to the technical field of special steel pipe shaping, and particularly relates to a special steel pipe precision shaping machine which comprises a rack, a controller and a control panel, wherein the rack is provided with a support; the fixed disc and the second squeeze roller are sleeved at two ends of the first squeeze roller; the second extrusion roller is sleeved on the surface of the first extrusion roller in a sliding manner; a second double-shaft cylinder is fixedly connected between the second extrusion roller and the adjacent fixed disc; a pressure sensor and a distance sensor are arranged on the surface of the first extrusion roller and between two adjacent second extrusion rollers in the vertical direction; the special steel pipe shaping device controls the first double-shaft cylinder and the second double-shaft cylinder to realize the movement of the first extrusion roller and the second extrusion roller through the pressure sensor and the distance sensor, so that the shaping accuracy of the special steel pipe is adjusted.
Description
Technical Field
The invention belongs to the technical field of special steel pipe shaping, and particularly relates to a special steel pipe precision shaping machine.
Background
The special steel is also called alloy steel, and is a kind of steel. The special steel is made up by adding one or several alloy elements in carbon steel in a proper quantity to change its structure, so that it possesses various special properties.
Compared with common steel, the special steel is added with a plurality of alloy elements in the common carbon steel in a proper amount, so that the structure of the steel is changed, and the special steel is better than the common steel in the aspects of strength, rigidity, toughness, plasticity, corrosion resistance and the like.
The shaping of the special steel pipe is one of important steps in the production process of the special steel pipe, the shaping of the special steel pipe is mainly to enable the special steel pipe to reach the set length, width and height through extrusion, meanwhile, the shaping of the special steel pipe to be a cuboid is guaranteed, the subsequent processing is convenient, and meanwhile, raw materials are saved.
In the prior art, special steel pipes are shaped by generally rotating modules with different widths and heights, so that the special steel pipes are extruded into preset lengths, heights and widths, the special steel pipes need to pass through the special steel pipes repeatedly in the extrusion process, manpower and material resources are wasted, meanwhile, the special steel pipes need to be turned over in the reciprocating process, the special steel pipes are easily bent after being shaped in the turning process, the shaping difficulty is increased, the extruding rollers are immovable, and the pair of extruding rollers are only suitable for shaping the standard special steel pipes, so that great use limitation exists in shaping the special steel pipes.
Disclosure of Invention
The invention provides a special steel pipe precision shaping machine, which aims to make up for the defects of the prior art and solve the problems that the special steel pipe needs to be reciprocated for many times during shaping, manpower and material resources are wasted, the special steel pipe needs to be turned during the reciprocating process, the special steel pipe is bent, the shaping difficulty is increased, and the special steel pipe precision shaping machine cannot be suitable for shaping different special steel pipes.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special steel pipe precision shaping machine which comprises a rack, a controller and a control panel, wherein the rack is provided with a support; the control panel is electrically connected with the controller and used for controlling the device to work; the frame is in a U-shaped design, and two ends of the frame are fixedly connected with first double-shaft cylinders; both ends of the first double-shaft cylinder are fixedly connected with fixing rods; a first extrusion roller is rotatably connected between the two horizontally opposite fixed rods; the surfaces of the two fixing rods on the left side are fixedly connected with motors respectively, and rotating shafts of the motors penetrate through the fixing rods and are fixedly connected to the left end of the first squeezing roller; the fixed disc and the second squeeze roller are sleeved at two ends of the first squeeze roller; the second squeezing roller is positioned between the two fixed disks; the second extrusion roller is sleeved on the surface of the first extrusion roller in a sliding manner, and the fixed disc is fixedly sleeved on the surface of the first extrusion roller; a second double-shaft cylinder is fixedly connected between the second extrusion roller and the adjacent fixed disc; the first double-shaft cylinder and the second double-shaft cylinder are communicated with an external air source uniformly and are electrically connected with the controller; when the special steel pipe shaping machine works, the controller controls the first double-shaft cylinder and the second double-shaft cylinder to stretch and retract, so that the first extrusion roller and the second extrusion roller are controlled to move, the width, the height and the length of a shaped special steel pipe are controlled, the controller can control the forward rotation and the reverse rotation of the motor, when a large special steel pipe cannot be shaped at one time, the forward rotation and the reverse rotation of the first extrusion roller and the second extrusion roller can be achieved through the forward rotation and the reverse rotation of the motor, repeated shaping of the special steel pipe is achieved, in the repeated shaping process, the first extrusion roller and the second extrusion roller are controlled to move through the controller, gradual shaping of the special steel pipe is achieved, the final shaping is achieved to an ideal shape, the problem that the shaping is uneven and thorough when the special steel pipe is shaped at one time can be effectively prevented through the gradual shaping, and damage caused by overlarge stress of the first extrusion roller and.
Preferably, a pressure sensor and a distance sensor are arranged on the surface of the first extrusion roll and between two adjacent second extrusion rolls in the vertical direction; the pressure sensor and the distance sensor are both electrically connected with the controller; when the special steel pipe shaping device works, the distance sensor is used for sensing the moving distance of the first extrusion roller and the second extrusion roller, when the moving distance of the first extrusion roller and the second extrusion roller is larger than a set value input by the control panel, the pressure sensor is fed back to control the pressure of the first extrusion roller and the second extrusion roller on the special steel pipe, when the moving distance of the first extrusion roller and the second extrusion roller is smaller than the set value input by the control panel, the distance sensor is fed back to the pressure sensor, the pressure of the first extrusion roller and the second extrusion roller on the special steel pipe is improved, the accuracy of the special steel pipe in shaping is adjusted, the intelligent shaping of the special steel pipe is realized, and the accuracy of the shaping of the special steel pipe is ensured.
Preferably, a first extrusion ring is fixedly sleeved on the surface of the second extrusion roller above the first extrusion roller; a second extrusion ring is fixedly sleeved on the surface of the second extrusion roller below the extrusion roller; a first groove is formed in the first extrusion ring, and the second extrusion ring can penetrate into the first groove; during operation, when first squeeze roll was relative and when moving back to back, the second extrusion ring slided in first extrusion ring, played good thermal-insulated function, high temperature when preventing the special steel pipe plastic influences pressure sensor and distance sensor's work, and first extrusion ring and second extrusion ring can prevent that special steel pipe material from getting into the clearance between the second extrusion roll when special steel pipe plastic simultaneously, lead to the plastic failure, extravagant material.
Preferably, distance sensors are uniformly arranged on the side surfaces of the first extrusion rings, which are close to the fixed disc, and the distance sensors are electrically connected with the controller, and meanwhile, the controller is electrically connected with an alarm; during operation, among the special steel pipe plastic process, through the data that a plurality of distance inductors provided, whether the distance is unanimous between two second squeeze rollers about the analysis, controller control alarm was reported to the police when inconsistent, overhauls the device, accessible human eye observes simultaneously whether the protruding size that forms between first squeeze ring and the second squeeze ring equals, prevents through dual fail-safe that first squeeze roller and second squeeze roller from taking place the slope, leads to special steel pipe plastic failure, can lead to the damage of device when serious.
Preferably, the side surfaces of the opposite sides of the second squeezing rollers are provided with circular second grooves; first springs are uniformly arranged in the second groove; the first springs are fixedly connected between the surface of the first extrusion roller and the inner wall of the second groove, and two adjacent first springs are arranged in a contact manner; a first sliding plate is arranged in the second groove in a sliding manner; the first sliding plate is designed in a circular ring shape, and the cambered surface of the first sliding plate is designed, so that special steel pipes can enter the space between the first sliding plates more conveniently; when the special steel pipe shaping device works and a special steel pipe is inserted between the first extrusion roller and the second extrusion roller for shaping, the first sliding plate arranged on the inclined surface can prevent the special steel pipe from being inserted, and the second extrusion roller can be effectively cooled because the second groove can enable airflow in the second extrusion roller to flow in the shaping process, so that the service life of the second extrusion roller is prolonged.
Preferably, the side surface of the second extrusion roller, which is close to the fixed disc, is provided with uniformly arranged cavities; the cavities are circumferentially arranged by taking the first extrusion roller as a circle center; a second sliding plate is connected in the cavity in a sliding manner; a second spring is fixedly connected between the side surface of the second sliding plate close to the first squeezing roller and the inner wall of the cavity; the space in the cavity above the second sliding plate is communicated with the second groove and the outside; during operation, corotation and the reversal in-process of second squeeze roll make the second slide reciprocate through the effect of centrifugal force that the second slide receives and second spring tension to the air current flows in the second recess of accelerating, makes air current and air exchange in the second recess simultaneously, cools down second squeeze roll and extrusion ring, improve device life.
The invention has the following beneficial effects:
1. according to the special steel pipe precision shaping machine, the first double-shaft cylinder and the second double-shaft cylinder are arranged, the controller controls the first double-shaft cylinder and the second double-shaft cylinder to stretch and retract, so that the first extrusion roller and the second extrusion roller are controlled to move, the special steel pipe precision shaping machine is suitable for shaping special steel pipes with different standards, and meanwhile, special steel pipes can be shaped step by step, so that the special steel pipes are prevented from being damaged when not completely shaped.
2. According to the special steel pipe precision shaping machine, the pressure sensor and the distance sensor are arranged, the feedback between the pressure sensor and the distance sensor is utilized to improve the shaping precision of a special steel pipe, and meanwhile, when the special steel pipe cannot be shaped, the feedback can be fed back to the alarm through the distance sensor and the pressure sensor to adjust the device, so that the waste of materials is prevented.
3. According to the special steel pipe precision shaping machine, the cavity, the first spring, the second groove, the second spring and the second sliding plate are arranged, and through the action of centrifugal force and the second spring, airflow in the second groove can flow to effectively cool the second extrusion roller, so that the service life of the device is prolonged.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
in the figure: the device comprises a frame 1, a first double-shaft cylinder 11, a fixing rod 12, a first squeezing roller 13, a motor 14, a fixing disc 15, a second squeezing roller 16, a second double-shaft cylinder 17, a first squeezing ring 2, a second squeezing ring 21, a first groove 22, a second groove 3, a first spring 31, a first sliding plate 32, a cavity 33, a second sliding plate 34 and a second spring 35.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the precision shaping machine for special steel pipes comprises a frame 1, a controller and a control panel; the control panel is electrically connected with the controller and used for controlling the device to work; the frame 1 is in a U-shaped design, and two ends of the frame 1 are fixedly connected with first double-shaft cylinders 11; both ends of the first double-shaft cylinder 11 are fixedly connected with fixing rods 12; a first squeezing roller 13 is rotatably connected between the two fixed rods 12 which are horizontally opposite; the surfaces of the two fixing rods 12 on the left side are fixedly connected with motors 14 respectively, and rotating shafts of the motors 14 penetrate through the fixing rods 12 and are fixedly connected to the left ends of the first squeezing rollers 13; a fixed disc 15 and a second squeeze roller 16 are sleeved at both ends of the first squeeze roller 13; the second pressing roller 16 is positioned between the two fixed disks 15; the second extrusion roller 16 is sleeved on the surface of the first extrusion roller 13 in a sliding manner, and the fixed disc 15 is fixedly sleeved on the surface of the first extrusion roller 13; a second double-shaft cylinder 17 is fixedly connected between the second extrusion roller 16 and the adjacent fixed disc 15; the first double-shaft cylinder 11 and the second double-shaft cylinder 17 are communicated with an external air source uniformly and are electrically connected with a controller; when in work, the controller controls the expansion and contraction of the first double-shaft cylinder 11 and the second double-shaft cylinder 17, thereby controlling the movement of the first extrusion roller 13 and the second extrusion roller 16, controlling the width, height and length of the special steel pipe after shaping, meanwhile, the controller can control the forward rotation and the reverse rotation of the motor 14, when the large special steel pipe cannot be formed into work by one-time shaping, the forward rotation and the reverse rotation of the first extrusion roller 13 and the second extrusion roller 16 can be realized through the forward rotation and the reverse rotation of the motor 14, the repeated shaping of the special steel pipe is realized, in the repeated shaping process, the first extrusion roller 13 and the second extrusion roller 16 are controlled by the controller to move, so that the special steel pipe is shaped gradually, and finally shaped to an ideal shape, the problem that the special steel pipe is not uniformly and thoroughly shaped when being shaped at one time can be effectively solved through the gradual shaping, and the first extrusion roller 13 and the second extrusion roller 16 are prevented from being damaged due to overlarge stress.
As an embodiment of the invention, a pressure sensor and a distance sensor are arranged on the surface of the first extrusion roll 13 and between two adjacent second extrusion rolls 16 in the vertical direction; the pressure sensor and the distance sensor are both electrically connected with the controller; when the special steel pipe shaping device works, the distance sensors are used for sensing the moving distance of the first extrusion roller 13 and the second extrusion roller 16, when the moving distance of the first extrusion roller 13 and the second extrusion roller 16 is larger than a set value input by the control panel, the pressure sensors are fed back to control the pressure of the first extrusion roller 13 and the second extrusion roller 16 on the special steel pipe, when the moving distance of the first extrusion roller 13 and the second extrusion roller 16 is smaller than the set value input by the control panel, the distance sensors are fed back to the pressure sensors, the pressure of the first extrusion roller 13 and the second extrusion roller 16 on the special steel pipe is improved, the accuracy of the special steel pipe in shaping is adjusted, the intelligent shaping of the special steel pipe is realized, and the accuracy of the special steel pipe shaping is ensured.
As an embodiment of the present invention, a first extrusion ring 2 is fixedly sleeved on the surface of the upper second extrusion roll 16; a second extrusion ring 21 is fixedly sleeved on the surface of the second extrusion roller 16 below; a first groove 22 is formed in the first extrusion ring 2, and the second extrusion ring 21 can penetrate into the first groove 22; during operation, when the first squeeze roll 13 moves relatively and back to back, the second squeeze ring 21 slides in the first squeeze ring 2, a good heat insulation function is achieved, high temperature during special steel pipe shaping is prevented from affecting the work of the pressure sensor and the distance sensor, and meanwhile, the first squeeze ring 2 and the second squeeze ring 21 can prevent special steel pipe materials from entering a gap between the second squeeze rolls 16 during special steel pipe shaping, so that shaping failure and material waste are caused.
As an embodiment of the invention, the side surfaces of the first extrusion rings 2, which are close to the fixed disk 15, are provided with distance sensors which are uniformly arranged, the distance sensors are electrically connected with a controller, and the controller is electrically connected with an alarm; during operation, in the special steel pipe plastic process, through the data that a plurality of distance inductors provided, whether the distance is unanimous between two upper and lower second squeeze rollers 16 of analysis, the warning of controller control alarm when inconsistent, overhaul the device, simultaneously accessible human eye observes whether the protruding size that forms between first squeeze ring 2 and the second squeeze ring 21 equals, prevent first squeeze roller 13 and second squeeze roller 16 through dual fail-safe and take place the slope, lead to special steel pipe plastic failure, can lead to the damage of device when serious.
As an embodiment of the present invention, the side surface of the second squeezing roller 16 opposite to the side surface is provided with a circular second groove 3; first springs 31 are uniformly arranged in the second groove 3; the first springs 31 are fixedly connected between the surface of the first squeezing roller 13 and the inner wall of the second groove 3, and two adjacent first springs 31 are arranged in a contact manner; a first sliding plate 32 is arranged in the second groove 3 in a sliding manner; the first sliding plates 32 are designed in a circular ring shape, and the cambered surfaces of the first sliding plates 32 are designed, so that special steel pipes can enter between the first sliding plates 32 more conveniently, the first sliding plates 32 are initially arranged in contact with the surfaces of the first springs 31, and when the first springs 31 are completely contracted to be incapable of being deformed, the middle parts of the first sliding plates 32 are parallel to the surfaces of the second extrusion rollers 16; when the special steel pipe shaping device works and a special steel pipe is inserted between the first extrusion roller 13 and the second extrusion roller 16 for shaping, the first sliding plate 32 arranged on the inclined surface can prevent the special steel pipe from being inserted, and the second groove 3 can enable airflow in the second extrusion roller 16 to flow in the shaping process, so that the second extrusion roller 16 can be effectively cooled, and the service life of the second extrusion roller 16 is prolonged.
As an embodiment of the present invention, the side surface of the second squeezing roller 16 close to the fixed disk 15 is provided with uniformly arranged cavities 33; the cavities 33 are circumferentially arranged by taking the first squeezing rollers 13 as the circle center; a second sliding plate 34 is slidably connected in the cavity 33; a second spring 35 is fixedly connected between the side surface of the second sliding plate 34 close to the first squeezing roller 13 and the inner wall of the cavity 33; the space in the cavity 33 above the second sliding plate 34 is communicated with the second groove 3 and the outside; during operation, the corotation of second squeeze roll 16 and the reversal in-process, through the effect of centrifugal force that second slide 34 receives and second spring 35 pulling force make second slide 34 reciprocate to accelerate the air current flow in the second recess 3, make air current and air exchange in the second recess 3 simultaneously, lower the temperature to second squeeze roll 16 and extrusion ring, improve device life.
When the special steel pipe shaping machine works, the controller controls the extension and retraction of the first double-shaft cylinder 11 and the second double-shaft cylinder 17, so that the movement of the first extrusion roller 13 and the second extrusion roller 16 is controlled, the width, the height and the length of a shaped special steel pipe are controlled, meanwhile, the controller can control the forward rotation and the reverse rotation of the motor 14, when a large special steel pipe cannot be subjected to one-time shaping work, the forward rotation and the reverse rotation of the first extrusion roller 13 and the second extrusion roller 16 can be realized through the forward rotation and the reverse rotation of the motor 14, the repeated shaping of the special steel pipe is realized, in the repeated shaping process, the first extrusion roller 13 and the second extrusion roller 16 are controlled to move through the controller, the gradual shaping of the special steel pipe is realized, the final shaping is in an ideal form, in the shaping process, the moving distance of the first extrusion roller 13 and the second extrusion roller 16 is sensed through the distance sensor, and when the moving distance of the first extrusion roller 13 and the second extrusion roller, the pressure of the first extrusion roller 13 and the pressure of the second extrusion roller 16 on the special steel pipe are fed back to the pressure sensor so as to control the pressure of the first extrusion roller 13 and the second extrusion roller 16 on the special steel pipe, when the moving distance of the first extrusion roller 13 and the second extrusion roller 16 is smaller than a set value input by a control panel, the distance sensor feeds back the pressure sensor so as to improve the pressure of the first extrusion roller 13 and the second extrusion roller 16 on the special steel pipe so as to adjust the accuracy in shaping the special steel pipe, when the first extrusion roller 13 moves oppositely and oppositely, the second extrusion ring 21 slides in the first extrusion ring 2, meanwhile, whether the distance between the upper extrusion roller and the lower extrusion roller 16 is consistent is analyzed through data provided by a plurality of distance sensors, when the distance is inconsistent, the controller controls the alarm to give an alarm, the device is overhauled, and whether the size of bulges formed between the first extrusion ring 2 and the second extrusion ring 21 is equal can be observed through human eyes so as to prevent the first extrusion, in the forward rotation and reverse rotation processes of the second squeezing roller 16, the second sliding plate 34 is moved up and down by the centrifugal force applied to the second sliding plate 34 and the pulling force of the second spring 35, so that the air flow in the second groove 3 is accelerated, and the air flow in the second groove 3 is exchanged with the air.
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. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a special steel pipe precision shaping machine which characterized in that: comprises a frame (1), a controller and a control panel; the controller is electrically connected with the control panel and is used for controlling the device to work; the rack (1) is in a U-shaped design, and two ends of the rack (1) are fixedly connected with a first double-shaft cylinder (11); both ends of the first double-shaft cylinder (11) are fixedly connected with fixing rods (12); a first squeezing roller (13) is rotatably connected between the two fixed rods (12) which are horizontally opposite; the surfaces of the two fixing rods (12) on the left side are fixedly connected with a motor (14) respectively, and a rotating shaft of the motor (14) penetrates through the fixing rods (12) and is fixedly connected to the left end of the first squeezing roller (13); a fixed disc (15) and a second squeeze roller (16) are sleeved at both ends of the first squeeze roller (13); the second squeezing roller (16) is positioned between the two fixed disks (15); the second squeeze roll (16) is sleeved on the surface of the first squeeze roll (13) in a sliding manner, and the fixed disc (15) is fixedly sleeved on the surface of the first squeeze roll (13); a second double-shaft cylinder (17) is fixedly connected between the second extrusion roller (16) and the adjacent fixed disc (15); the first double-shaft cylinder (11) and the second double-shaft cylinder (17) are communicated with an external air source uniformly and are electrically connected with the controller, the controller can control the extension and retraction of the first double-shaft cylinder (11) and the second double-shaft cylinder (17), so that the width, height and length of the special steel pipe after shaping are controlled, and meanwhile, the forward rotation and reverse rotation of the motor (14) can be controlled, so that the larger special steel pipe cannot be subjected to step-by-step treatment when being subjected to disposable shaping, and is gradually shaped to an ideal form.
2. The special steel pipe precision shaping machine according to claim 1, characterized in that: a pressure sensor and a distance sensor are arranged on the surface of the first extrusion roller (13) and between two adjacent second extrusion rollers (16) in the vertical direction; the pressure sensor and the distance sensor are electrically connected with the controller, and the first double-shaft cylinder (11) and the second double-shaft cylinder (17) can be controlled by the pressure sensor and the distance sensor to realize the movement of the first extrusion roller (13) and the second extrusion roller (16), so that the shaping accuracy of the special steel pipe is adjusted.
3. The special steel pipe precision shaping machine according to claim 2, characterized in that: a first extrusion ring (2) is fixedly sleeved on the surface of the second extrusion roller (16) above; a second extrusion ring (21) is fixedly sleeved on the surface of the second extrusion roller (16) below; first recess (22) have been seted up in first extrusion ring (2), in second extrusion ring (21) can penetrate first recess (22), high temperature when preventing the special steel pipe plastic influences pressure sensor and distance sensor's work, prevents simultaneously that special steel pipe material from getting into the clearance between second extrusion roller (16) when the special steel pipe plastic, leads to the plastic failure.
4. The special steel pipe precision shaping machine according to claim 3, characterized in that: first extrusion ring (2) are close to one side of fixed disk (15) and all are equipped with the evenly distributed apart from the inductor, it is connected with the controller electricity apart from the inductor, the controller electricity is connected with the alarm simultaneously, data that provide through apart from the inductor, whether the distance is unanimous between two second squeeze roll (16) about the analysis, and observe whether the protruding size that forms between first extrusion ring (2) and the second squeeze ring (21) is unanimous, the alarm can carry out the early warning when inconsistent and remind, prevent that first squeeze roll (13) and second squeeze roll (16) from taking place the slope, lead to special steel pipe plastic failure.
5. The special steel pipe precision shaping machine according to claim 1, characterized in that: the side surface of one side opposite to the second extrusion roller (16) is provided with a circular second groove (3); first springs (31) which are uniformly arranged are arranged in the second groove (3); the first springs (31) are fixedly connected between the surface of the first squeezing roller (13) and the inner wall of the second groove (3), and two adjacent first springs (31) are arranged in a contact manner; a first sliding plate (32) is arranged in the second groove (3) in a sliding manner; first slide (32) ring shape design, and first slide (32) surface cambered surface design, can make between the more convenient first slide (32) of entering of special steel pipe, first slide (32) contact first spring (31) surface setting during the initial time, first spring (31) contract completely to unable deformation time, first slide (32) middle part is parallel with second squeeze roll (16) surface, can effectively cool down second squeeze roll (16), strengthen the life of second squeeze roll (16).
6. The special steel pipe precision shaping machine according to claim 5, characterized in that: the side surface of one side, close to the fixed disc (15), of the second extrusion roller (16) is provided with uniformly arranged cavities (33); the cavities (33) are circumferentially arranged by taking the first extrusion roller (13) as a circle center; a second sliding plate (34) is connected in the cavity (33) in a sliding manner; a second spring (35) is fixedly connected between the side surface of one side of the second sliding plate (34) close to the first squeezing roller (13) and the inner wall of the cavity (33); the space in a cavity (33) above the second sliding plate (34) is communicated with the second groove (3) and the outside, the second sliding plate (34) moves up and down under the action of centrifugal force and a second spring (35), and the second extrusion roller (16) and the extrusion ring are cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108737.4A CN110802129A (en) | 2019-11-13 | 2019-11-13 | Special steel pipe precision shaping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108737.4A CN110802129A (en) | 2019-11-13 | 2019-11-13 | Special steel pipe precision shaping machine |
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| Publication Number | Publication Date |
|---|---|
| CN110802129A true CN110802129A (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911108737.4A Pending CN110802129A (en) | 2019-11-13 | 2019-11-13 | Special steel pipe precision shaping machine |
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| CN (1) | CN110802129A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750213A (en) * | 1980-09-09 | 1982-03-24 | Nippon Steel Metal Prod Co Ltd | Manufacture of square metallic blank pipe |
| CN202052791U (en) * | 2011-05-10 | 2011-11-30 | 河北新中联特种钢管有限公司 | Stitching machine of single weld joint of square steel tube |
| CN204135129U (en) * | 2014-09-19 | 2015-02-04 | 太原华欣诚机电设备有限公司 | Square tube production line not roll change completely unit |
| CN205341548U (en) * | 2015-12-08 | 2016-06-29 | 云南利源金属工贸有限公司 | Square steel tube takes shape quick -wittedly |
| CN109894477A (en) * | 2019-03-14 | 2019-06-18 | 邢箫 | A kind of high precision steel tube equipment of hot rolling |
-
2019
- 2019-11-13 CN CN201911108737.4A patent/CN110802129A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750213A (en) * | 1980-09-09 | 1982-03-24 | Nippon Steel Metal Prod Co Ltd | Manufacture of square metallic blank pipe |
| CN202052791U (en) * | 2011-05-10 | 2011-11-30 | 河北新中联特种钢管有限公司 | Stitching machine of single weld joint of square steel tube |
| CN204135129U (en) * | 2014-09-19 | 2015-02-04 | 太原华欣诚机电设备有限公司 | Square tube production line not roll change completely unit |
| CN205341548U (en) * | 2015-12-08 | 2016-06-29 | 云南利源金属工贸有限公司 | Square steel tube takes shape quick -wittedly |
| CN109894477A (en) * | 2019-03-14 | 2019-06-18 | 邢箫 | A kind of high precision steel tube equipment of hot rolling |
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Application publication date: 20200218 |