CN217941421U - Steel pipe straightening device - Google Patents
Steel pipe straightening device Download PDFInfo
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- CN217941421U CN217941421U CN202221965533.XU CN202221965533U CN217941421U CN 217941421 U CN217941421 U CN 217941421U CN 202221965533 U CN202221965533 U CN 202221965533U CN 217941421 U CN217941421 U CN 217941421U
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- straightening
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- rolling mill
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Abstract
The utility model discloses a steel pipe straightener, its whole setting is after steel tube rolling mill, it is including drawing the cover, rectify the straight tube, fixing device, the aligning pipe is installed and is being drawn set rear end, fixing device fixes the aligning pipe on the guide rail in steel tube rolling mill's exit, the front end of drawing the cover is provided with the horn mouth, the horn mouth main aspects exports towards steel tube rolling mill, the internal diameter of straight tube is corrected to the diameter ratio of the rear end of horn mouth is little 0.5mm, get into the steel pipe guide inside the aligning pipe, make 90% product need not carry out the off-line aligning, can directly get into one lower process, only need to still exist crooked tubular product straighten can, avoid whole products off-line aligning, can practice thrift process time, and improve machining efficiency, the cost is reduced, the simple structure of this product, can directly replace the installation in the rear end of current cold rolling mill and realize the aligning, also play the guide effect of original ejection of compact stand pipe simultaneously, equipment structure is reasonable, combination degree with current equipment is high, convenient and fast to use.
Description
Technical Field
The utility model belongs to the technical field of steel pipe processing, concretely relates to steel pipe straightener.
Background
The cold pilger mill is a process device for cold rolling a steel pipe by using an annular hole shape. The machine has better cogging performance and can roll nonferrous metal seamless tubes with common precision. The cold tube mill is mainly characterized by high material utilization rate and better precision and surface roughness than cold drawn tubes.
The cold-rolled pipe is widely applied to various fields of national economy due to the excellent characteristics of the cold-rolled pipe. The cold-rolled pipe has fine structure grains and superior mechanical property and physical property; the cold pilger mill has large deviation correcting capability for the wall thickness deviation of an original tube blank, accurate geometric dimension and high surface smoothness; the pass deformation is large and can reach 70-90%; the cold rolling method is adopted to produce the pipe, so that intermediate processes such as heat treatment, acid cleaning, heading, straightening and the like can be greatly reduced, and the consumption of metal materials, fuels, electric energy, other auxiliary materials and manpower is reduced; the cold rolling method can be used for producing high-quality pipes with thin walls, extremely thin walls and no scratch on the inner and outer surfaces; can effectively roll various steel pipes and non-ferrous metal pipes with high alloy and poor plasticity.
The inventor finds that the prior arts have at least the following technical problems in the practical use process:
the existing structure of the equipment is a universal discharging guide pipe, only has the function of guiding, is suitable for all products produced by the equipment, does not have the straightening function, and is required to be off-line and be on-line again after being straightened again.
Disclosure of Invention
For overcoming the not enough of above-mentioned existence, the utility model discloses an inventor is through long-term exploration attempt and a lot of experiment and effort, constantly reform transform and innovation, a steel pipe straightener is proposed, it makes the product straightness accuracy have great change after improving, enable 90% product and need not carry out the off-line aligning, can directly get into one process down, only need to exist still crooked tubular product straighten can, avoid whole product off-line aligning, can practice thrift process time, improve machining efficiency, and the cost is saved, the simple structure of this product, can directly replace the installation in the rear end of current cold pilger mill and realize the aligning, also play the guide effect of original ejection of compact stand pipe simultaneously, equipment structure is reasonable, with the combination degree of current equipment high, convenient use.
In order to realize the purpose, the utility model adopts the technical scheme that: a steel pipe straightening device is provided. The straightening pipe is integrally arranged behind a steel pipe rolling mill and comprises a guide sleeve, a straightening pipe and a fixing device, wherein the straightening pipe is arranged at the rear end of the guide sleeve, the fixing device fixes the straightening pipe on a guide rail at the outlet of the steel pipe rolling mill, the front end of the guide sleeve is provided with a bell mouth, the large end of the bell mouth faces the outlet of the steel pipe rolling mill, the diameter of the rear end of the bell mouth is 0.5mm smaller than the inner diameter of the straightening pipe, and the steel pipe is guided into the straightening pipe.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the inner diameter of the straightening pipe is matched with the outer diameter of the steel pipe, and the inner diameter of the straightening pipe is 0.8-1.0 mm larger than the outer diameter of a product.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the fixing device comprises a straightening pipe installation part and a fixing part, the straightening pipe installation part is cylindrical, the fixing part is annular, the fixing part is located at the end part of the straightening pipe installation part, and the center of the annular is overlapped with the center line of the straightening pipe installation part.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the wall surface of the straightening pipe mounting part is provided with a first mounting hole, the pipe wall of the straightening pipe is provided with a corresponding second mounting hole, a bolt penetrates through the first mounting hole of the straightening pipe mounting part and is connected to the second mounting hole, and the straightening pipe is fixed on the fixing device.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: fixing holes are uniformly distributed on the circular ring of the fixing part in a surrounding manner, and the fixing device is arranged at the outlet position of the steel tube rolling mill by utilizing the fixing holes.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: a plurality of fixing devices are uniformly arranged on the straightening pipe at intervals.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the straightening pipe is sleeved inside a straightening pipe mounting part of the fixing device, and a gap is formed between the straightening pipe and the straightening pipe mounting part.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: two or more groups of first mounting holes are formed in the straightening pipe mounting part, and the first mounting holes are uniformly distributed around the wall surface of the straightening pipe mounting part.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the straightening pipe extends into the interior of the guide sleeve and is connected through a clamping ring.
According to the utility model discloses a steel pipe straightener, its further preferred technical scheme is: the length of the straightening pipe is 1800 mm-2000 mm.
Compared with the prior art, the technical scheme of the utility model have following advantage beneficial effect:
1. the straightness of the product is greatly improved after improvement, 90% of the products can directly enter the next procedure without offline straightening, only the pipe still with bending needs to be straightened, the offline straightening of all the products is avoided, the processing time can be saved, and the processing efficiency is improved.
2. The product has simple structure, can be directly replaced and installed at the rear end of the existing cold pilger mill to realize straightening, and simultaneously plays the role of guiding the original discharging guide pipe, and has reasonable equipment structure, high combination degree with the existing equipment and convenient use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a steel pipe straightening apparatus according to the present invention.
The labels in the figure are respectively: 1. the straightening pipe comprises a guide sleeve 101, a bell mouth 2, a straightening pipe 3, a fixing device 301, a straightening pipe mounting part 302, a fixing part 303, a first mounting hole 304, a second mounting hole 305 and a fixing hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example 1:
as shown in figure 1, the steel pipe straightening device is integrally arranged behind a steel pipe rolling mill, and has the structure that a guide sleeve 1 is arranged in front, a straightening pipe 2 is arranged at the back, the guide sleeve 1, the straightening pipe 2 and a fixing device 3 are included, the straightening pipe 2 is arranged at the rear end of the guide sleeve 1, the fixing device 3 fixes the straightening pipe 2 on a guide rail at the outlet of the steel pipe rolling mill, the front end of the guide sleeve 1 is provided with a bell mouth 101, the large end of the bell mouth 101 faces the outlet of the steel pipe rolling mill, the diameter of the rear end of the bell mouth 101 is about 0.5mm smaller than the inner diameter of the straightening pipe 2, the steel pipe is conveniently guided into the straightening pipe 2, and the front end of the steel pipe is prevented from abutting against the end of the straightening pipe.
The inner diameter of the straightening pipe 2 is matched with the outer diameter of the steel pipe, the inner diameter of the straightening pipe 2 is 0.8-1.0 mm larger than the outer diameter of a product, and the inner diameter of the straightening pipe 2 and the outer wall of the steel pipe form extrusion for straightening.
The fixing device 3 comprises a straightening pipe installation part 301 and a fixing part 302, the straightening pipe installation part 301 is in a cylindrical shape, the fixing part 302 is in an annular shape, the fixing part 302 is located at the end part of the straightening pipe installation part 301, the center of the annular shape is overlapped with the center line of the straightening pipe installation part 301, the straightening pipe installation part 301 is used for being connected with the straightening pipe 2, and the fixing part 302 is used for installing the fixing device 3 at the rear end of the steel pipe rolling mill or on other fixed accessory equipment.
The wall surface of the straightening pipe mounting part 301 is provided with a first mounting hole 303, the pipe wall of the straightening pipe 2 is provided with a corresponding second mounting hole 304, a bolt penetrates through the first mounting hole 303 of the straightening pipe mounting part 301 to be connected to the second mounting hole 304, the straightening pipe 2 is fixed on the fixing device 3, the second mounting hole 304 is required not to penetrate through the inner wall of the straightening pipe 2, the influence of the bolt on the inner space of the straightening pipe 2 during mounting is avoided, and the straightening process of the steel pipe and the outer wall of the steel pipe are influenced.
Evenly spaced on straightening pipe 2 is provided with a plurality of fixing device 3, and the length of straightening pipe 2 sets up according to the demand is reasonable, in order to fix longer straightening pipe 2, need set up a plurality of fixing device 3, and the even interval of fixing device 3 sets up comparatively rationally, and of course, if necessary, can set up a plurality ofly at positions such as tip that the atress is great, also can carry out the change of adaptability to fixing device 3, goes into the quantity that increases first mounting hole 303 and second mounting hole 304 etc..
Straightening pipe 2 suit has the clearance inside the straightening pipe installation department 301 of fixing device 3, between straightening pipe 2 and the straightening pipe installation department 301, and the clearance effect is: compared with the straight pipe 2 used for different external diameters of products, the straightening pipe 2 is different in size, and the corresponding straightening pipe 2 is only required to be replaced according to the production of different specifications, the installation part 3 is not required to be replaced, and the straightening pipe is more convenient and faster to produce.
Two or more groups of first mounting holes 303 are formed in the straightening pipe mounting part 301, the first mounting holes 303 are uniformly arranged around the wall surface of the straightening pipe mounting part 301, and the second mounting holes 304 are correspondingly formed, so that the straightening pipe can be uniformly fixed and mounted in the circumferential direction of the straightening pipe 2, and uniform fixation is realized.
Straightening pipe 2 stretches into and draws 1 inside snap ring that uses of cover to connect, realizes firm installation, draws cover 1 to get into the steel pipe guide and straightens 2 insides, and the great use snap ring of frictional force can avoid drawing cover 1 and straightening pipe 2's being connected and can not drop leading the in-process of guide entering.
The length of the straightening pipe 2 is 1800 mm-2000 mm.
The working principle is as follows: after the steel pipe rolling mill rolls, the steel pipe output rolling mill generally adopts a discharge guide pipe for guiding, and the steel pipe straightening device replaces the discharge guide pipe, utilizes the limitation of the inner diameter of the inner wall of the straightening pipe to straighten, does not need to be off-line again for straightening, and can greatly save the process.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.
The above are only preferred embodiments of the present invention, and it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (10)
1. A steel pipe straightening device is characterized in that the whole device is arranged behind a steel pipe rolling mill and comprises a guide sleeve, a straightening pipe and a fixing device, wherein the straightening pipe is arranged at the rear end of the guide sleeve, the fixing device fixes the straightening pipe on a guide rail at the outlet of the steel pipe rolling mill, the front end of the guide sleeve is provided with a bell mouth, the large end of the bell mouth faces the outlet of the steel pipe rolling mill, the diameter of the rear end of the bell mouth is 0.5mm smaller than the inner diameter of the straightening pipe, and the steel pipe is guided into the straightening pipe.
2. The steel pipe straightening device according to claim 1, wherein the inner diameter of the straightening pipe is matched with the outer diameter of the steel pipe, and the inner diameter of the straightening pipe is 0.8mm-1.0mm larger than the outer diameter of a product.
3. The steel pipe straightening device according to claim 1, wherein the fixing device comprises a straightening pipe mounting part and a fixing part, the straightening pipe mounting part is cylindrical, the fixing part is annular, the fixing part is positioned at the end part of the straightening pipe mounting part, and the center of the annular is overlapped with the center line of the straightening pipe mounting part.
4. The steel pipe straightening device according to claim 3, wherein a first mounting hole is formed in a wall surface of the straightening pipe mounting portion, a corresponding second mounting hole is formed in a wall surface of the straightening pipe, and the straightening pipe is fixed to the fixing device by using a bolt which passes through the first mounting hole of the straightening pipe mounting portion and is connected to the second mounting hole.
5. The steel pipe straightening device as claimed in claim 3, wherein fixing holes are uniformly distributed around the ring of the fixing portion, and the fixing device is installed at the outlet position of the steel pipe rolling mill by using the fixing holes.
6. A steel pipe straightener as claimed in claim 3 wherein a plurality of fixtures are provided at regular intervals on the straightener.
7. The steel pipe straightening apparatus as claimed in claim 3, wherein the straightening tube is housed inside a straightening tube mounting portion of the fixing device with a gap therebetween.
8. The steel pipe straightening apparatus according to claim 3, wherein two or more sets of the first mounting holes are provided in the straightening pipe mounting portion, and the plurality of first mounting holes are uniformly arranged around the wall surface of the straightening pipe mounting portion.
9. The steel pipe straightening device according to claim 1, wherein the straightening pipes extending into the interior of the guide sleeve are connected by a snap ring.
10. The steel pipe straightening device according to claim 1, wherein the length of the straightening pipe is 1800mm to 2000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965533.XU CN217941421U (en) | 2022-07-28 | 2022-07-28 | Steel pipe straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965533.XU CN217941421U (en) | 2022-07-28 | 2022-07-28 | Steel pipe straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217941421U true CN217941421U (en) | 2022-12-02 |
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ID=84223735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221965533.XU Active CN217941421U (en) | 2022-07-28 | 2022-07-28 | Steel pipe straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217941421U (en) |
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2022
- 2022-07-28 CN CN202221965533.XU patent/CN217941421U/en active Active
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