CN115255041A - Stainless steel pipe straightening machine - Google Patents
Stainless steel pipe straightening machine Download PDFInfo
- Publication number
- CN115255041A CN115255041A CN202210922629.6A CN202210922629A CN115255041A CN 115255041 A CN115255041 A CN 115255041A CN 202210922629 A CN202210922629 A CN 202210922629A CN 115255041 A CN115255041 A CN 115255041A
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- straightening
- stainless steel
- rollers
- straightening rollers
- steel pipes
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of straightening machine equipment, and particularly discloses a straightening machine applicable to stainless steel pipes with different diameters; the vertical straightening section comprises a first machine box and a machine cover which are connected up and down, a plurality of groups of lower straightening rollers which move and switch along with a closed-loop conveyor belt are arranged in the first machine box, each group of lower straightening rollers is formed by a plurality of adjacent lower straightening rollers which correspond to stainless steel pipes with the same size as each other into a group, and a lifting frame which moves up and down is arranged in the first machine box; the straightening machine disclosed by the invention can be quickly switched to the corresponding straightening rollers when the straightening treatment is carried out on the stainless steel pipes with different diameters, so that the straightening treatment of the stainless steel pipes with different diameters is met, meanwhile, the roundness of the straightened stainless steel pipes can be effectively ensured due to the matching of the arc-shaped grooves on the roller bodies of the straightening rollers and the sizes of the stainless steel pipes, and the straightening deformation of the steel pipes caused by the straightening of the existing steel pipe straightening machine when the straightening is carried out on the stainless steel pipes with different sizes is avoided.
Description
Technical Field
The invention relates to the technical field of straightening machine equipment, and particularly discloses a stainless steel pipe straightening machine.
Background
The stainless steel pipe can be bent to a certain extent under the influence of various factors in the production and manufacturing process, so that the finished stainless steel pipe needs to be straightened by a straightening machine before being put in storage. The traditional steel pipe straightener realizes the straightening treatment of a steel pipe in the process that the steel pipe passes through a horizontal straightening roller gap and a vertical straightening roller gap, and has the advantages of high straightening treatment efficiency, good straightening effect and the like.
For example, the invention patent with the application number of CN2017102199812 discloses a steel pipe straightener, which comprises a bracket, wherein the bracket is provided with a conveying device, a blanking device, a first straightening device arranged at one end of the conveying device along the conveying direction of a steel pipe and a first straightening device connected with the first straightening device end to end, the conveying device comprises a first motor and a transmission roller, and the first straightening device comprises a locking block, an upper roller, a lower roller, a lifting adjusting mechanism, a quick-pressing overload protection cylinder and a locking cylinder. The steel pipe straightener disclosed by the invention controls the cylinder motor to work through the controller, so that manual operation is avoided, and automatic operation is realized. However, in the steel pipe straightening machine, when steel pipes having different diameters are straightened, the steel pipes having different radii are accommodated only by adjusting the roller pitch between the upper and lower rollers, so that the steel pipes having different diameters are straightened. However, the arc-shaped grooves of the roll bodies of the straightening rolls cannot be adjusted according to the diameter of the steel pipe, so that the steel pipe passing through the straightening rolls can be straightened in the axial direction, but the steel pipe is radially deformed under the pressure of the straightening rolls, the cross section of the steel pipe is not circular, and the shape of the straightened steel pipe is influenced. Therefore, aiming at the defects of the existing steel pipe straightener, the invention provides the straightener which can be suitable for stainless steel pipes with different diameters, so as to solve the defect that the existing straightener for the steel pipes is easy to cause straightening deformation of the steel pipes when straightening stainless steel pipes with different sizes.
Disclosure of Invention
The invention aims to provide a straightening machine which is suitable for stainless steel pipes with different diameters, and aims to overcome the defect that the straightening deformation of the steel pipes is easy to cause when the existing steel pipe straightening machine straightens the stainless steel pipes with different sizes.
The invention is realized by the following technical scheme:
a stainless steel pipe straightener comprises a feeding section, a longitudinal straightening section and a transverse straightening section which are sequentially connected, wherein the longitudinal straightening section comprises a first machine box and a machine cover which are connected up and down, a plurality of groups of lower straightening rollers which move and switch along with a closed-loop conveyor belt are arranged in the first machine box, each group of lower straightening rollers is formed by a plurality of adjacent lower straightening rollers which correspond to stainless steel pipes with the same size, a lifting frame which moves up and down is arranged in the first machine box, a supporting block which supports a roll shaft of one group of lower straightening rollers is arranged on the lifting frame, a driving motor which corresponds to each supporting block is arranged on the lifting frame, a driving gear which is meshed with a driven gear on the roll shaft of the lower straightening rollers is arranged on a rotating shaft of the driving motor, a plurality of groups of upper straightening rollers are arranged in the machine cover, each group of upper straightening rollers is formed by a plurality of upper straightening rollers which correspond to stainless steel pipes with different sizes, and a second expansion device which realizes independent lifting of each upper straightening roller is arranged on the machine cover;
the horizontal straightening section comprises a second case, a plurality of groups of vertical straightening rollers are symmetrically arranged at the front end and the rear end of the second case, each group of vertical straightening rollers consists of a plurality of vertical straightening rollers corresponding to stainless steel pipes with different sizes, and third telescopic devices for realizing independent back and forth movement of each vertical straightening roller are arranged on the front surface and the rear surface of the second case.
When the stainless steel pipe straightener disclosed by the invention is used for straightening stainless steel pipes with different diameters, the lower straightening rollers with corresponding sizes are switched to be positioned at the upper end of the first case through the transmission action of the closed-loop conveyor belt, and meanwhile, the roll shafts of the group of lower straightening rollers are supported through the ascending of the lifting frame, so that the lower straightening rollers have enough supporting force during straightening treatment, the driving gear on the lifting frame can be meshed with the driven gear on the roll shaft of the lower straightening roller, and the rotation of the lower straightening rollers can be realized through the action of the driving motor.
And then, the corresponding upper straightening roll and the lower straightening roll can be matched and the front and the rear corresponding vertical straightening rolls can be matched by controlling the extension or the shortening of the corresponding second stretching device and the third stretching device. Then the upper straightening roller and the lower straightening roller can longitudinally straighten the stainless steel pipe in the straightening process of the stainless steel pipe, the vertical straightening roller can transversely straighten the stainless steel pipe, and the arc-shaped grooves in the straightening roller bodies are matched with the stainless steel pipe in size in the straightening process, so that the roundness of the straightened stainless steel pipe can be effectively ensured, and the straightening effect on the stainless steel pipe is improved.
As a specific arrangement of the scheme, a horizontal plate is fixedly arranged on the inner wall of the first machine box in the closed-loop type conveying belt, and a first telescopic device for realizing the up-and-down movement of the lifting frame is arranged on the horizontal plate.
As a specific arrangement of the above scheme, the first telescopic device, the second telescopic device and the third telescopic device are all one of a hydraulic cylinder or an air cylinder.
In the specific arrangement of the scheme, two closed-loop conveyor belts are symmetrically arranged in the first case from front to back, belt rollers for realizing synchronous transmission of the two closed-loop conveyor belts are arranged in the first case, widened ring belts are connected to the end faces, close to each other, of the two closed-loop conveyor belts, and a plurality of groups of lower straightening rollers are rotatably connected between the two widened ring belts.
As a specific arrangement of the above aspect, a plurality of the lower straightening rollers are arranged at equal intervals in the loop line direction of the endless belt.
As a specific arrangement of the above scheme, the lower straightening rollers are divided into three groups, the number of the upper straightening rollers in each group is set to three, the three upper straightening rollers are respectively arranged corresponding to the stainless steel tubes with the same size as the three groups of the lower straightening rollers, the number of the vertical straightening rollers in each group is set to three, and the three vertical straightening rollers are respectively arranged corresponding to the stainless steel tubes with the same size as the three groups of the lower straightening rollers.
As a specific arrangement of the scheme, the feeding section comprises a feeding rack, and a row of downward-inclined rotating rollers are arranged at the front end and the rear end of the feeding rack.
As a further arrangement of the scheme, the upper end of the supporting block is provided with a smooth semicircular groove matched with the roll shaft of the lower straightening roll.
Has the advantages that:
1) The straightening machine disclosed by the invention can be quickly switched to the corresponding straightening rollers when the straightening treatment is carried out on the stainless steel pipes with different diameters, so that the straightening treatment of the stainless steel pipes with different diameters can be met, meanwhile, the roundness of the straightened stainless steel pipes can be effectively ensured due to the matching of the arc-shaped grooves on the roller bodies of the straightening rollers and the sizes of the stainless steel pipes, and the problem that the straightening deformation of the steel pipes is easily caused when the existing steel pipe straightening machine is used for straightening the stainless steel pipes with different sizes is solved.
2) The straightening machine disclosed by the invention comprises longitudinal straightening and transverse straightening, and a stainless steel pipe can be straightened more straightly after passing through the longitudinal straightening section and the transverse straightening section under the guiding action of the feeding section, so that the straightening effect on the stainless steel is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a view showing the internal plan view of the longitudinal straightening section according to the present invention;
FIG. 3 is a schematic perspective view of a first housing, a closed-loop conveyor belt, a lower straightening roll, and the like according to the present invention;
FIG. 4 is a schematic perspective view of a hood, an upper straightening roll blanking channel, a second telescopic device and the like according to the present invention;
FIG. 5 is a schematic perspective view of a closed-loop conveyor belt, a lower straightening roll and the like according to the present invention;
FIG. 6 is a schematic perspective view of the first telescopic device, the U-shaped lifting frame, the driving motor and the like in the present invention;
FIG. 7 is a schematic diagram of an internal three-dimensional structure of a second enclosure according to the present invention;
FIG. 8 is a schematic perspective view of the feed section of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the following examples with reference to the accompanying drawings 1 to 8.
Example 1
Embodiment 1 discloses a straightening machine for stainless steel pipes with different diameters, and referring to fig. 1, the main body of the straightening machine is divided into a feeding section 1, a longitudinal straightening section 2 and a transverse straightening section 3, and the feeding section 1, the longitudinal straightening section 2 and the transverse straightening section 3 are sequentially connected from left to right.
Referring to fig. 8, the feeding section 1 includes a feeding frame 101, two rows of rollers 102 are rotatably connected in the feeding frame 101, outer ends of the two rows of rollers 102 are connected to upper ends of side surfaces of the feeding frame 101, and inner ends of the two rows of rollers are connected to two side surfaces of a trapezoidal strip 103 on a bottom wall of the feeding frame 101, so that the two rows of rollers 102 are arranged obliquely toward a center, and when stainless steel is fed along the feeding frame 101, the two rows of obliquely arranged rollers 102 can play a role of guiding so as to enter a roll gap between an upper straightening roller and a lower straightening roller inside the longitudinal straightening section 2.
Referring to fig. 2 and 3, the longitudinal straightening section 2 includes a first housing 201 and a hood 202, an upper end of the first housing 201 is opened, and then the base 202 is fixedly disposed at an upper end of the first housing 201, and left and right ends of the hood 202 are also opened, so as to facilitate feeding and discharging of the stainless steel pipe. Two closed-loop conveyor belts 203 are symmetrically arranged at the front end and the rear end of the inner cavity of the first machine box 201, belt rollers 204 for realizing synchronous transmission of the two closed-loop conveyor belts 203 are arranged in the first machine box 201, and then a belt motor 205 connected with one belt roller 204 is arranged on the outer side surface of the machine base 202. In order to realize the fixed distance transmission of the two closed loop type conveyor belts 203, the belt motor 205 is preferably a stepping motor, and the rotating angle of the belt motor 205 is controlled by controlling a pulse signal of the stepping motor, so as to realize the fixed distance transmission of the two closed loop type conveyor belts 203.
Referring to fig. 5, a widened endless belt 206 is attached to each of the end surfaces of the two closed-loop conveyor belts 203 which are close to each other, and a plurality of lower straightening rollers 207 are rotatably attached between the opposing surfaces of the two widened endless belts 206. The plurality of lower straightening rollers 207 are arranged at equal intervals along the loop direction of the widened ring belt 206, each adjacent 2 to 3 lower straightening rollers 207 form a group, the plurality of lower straightening rollers 207 are divided into three groups along the loop direction of the widened ring belt 206, the diameter of the arc-shaped groove of the roller body of each group of lower straightening rollers 207 corresponds to the diameter of the stainless steel pipe, and specifically, the three groups of lower straightening rollers 207 can be arranged into stainless steel pipes with the corresponding diameters of 63mm, 60mm and 48 mm.
Referring to fig. 2, 5 and 6, a horizontal plate 208 is fixedly disposed in the base 202 at the center of the closed loop type conveyor belt 203, a first telescopic device 209 is fixedly disposed on the upper surface of the horizontal plate 208, the first telescopic device 209 may be one of a hydraulic cylinder and an air cylinder, and two first telescopic devices 209 are disposed at left and right intervals in the figure. The top ends of the two first telescopic devices 209 are connected with a U-shaped lifting frame 210, the upper ends of the front side and the rear side of the U-shaped lifting frame 210 are connected with supporting blocks 211 corresponding to the roll shafts of each group of lower straightening rollers 207, the upper surfaces of the supporting blocks 211 are opened into smooth semicircular grooves matched with the roll shafts of the lower straightening rollers 207, and the roll shafts at the two ends of the lower straightening rollers 207 are supported by the supporting blocks 211, so that the whole group of lower straightening rollers 207 has enough supporting force. In addition, a plurality of driving motors 212 are fixedly arranged on one side surface of the U-shaped lifting frame 210, each driving motor 212 is arranged in alignment with the corresponding support block 211, a driving gear 213 is connected to the end part of an output shaft of the driving motor 212, which extends into the U-shaped lifting frame 210, and a driven gear 214 is arranged on the roll shaft of each lower straightening roll 207. When the U-shaped crane 210 moves upward under the pushing of the first telescopic device 209, so that the roll shafts at both ends of the lower straightening roll 207 are supported by the corresponding support blocks 211, the driving gear 213 and the driven gear 214 are engaged with each other, and then the corresponding lower straightening roll 207 can rotate under the power input of the driving motor 212.
Referring to the attached drawings 2 and 4, 2 to 3 groups of upper straightening rollers 215 are arranged in the machine cover 202 at intervals from left to right, each group of upper straightening rollers 215 consists of three upper straightening rollers 215, and arc-shaped grooves of roller bodies of the three upper straightening rollers 215 correspond to stainless steel pipes with diameters of 63mm, 60mm and 48mm respectively. A second telescopic device 216 connected to each upper straightening roll 215 is then fixedly provided on the upper surface of the hood 202, and in particular, the second telescopic device 216 may be one of a hydraulic cylinder and an air cylinder. In order to realize the synchronous lifting of the upper straightening rollers 215 corresponding to the stainless steel pipes with the same diameter, the oil passages or the gas passages of the second expansion devices 216 corresponding to the stainless steel pipes with the same diameter are connected in series, so that the synchronous lifting of the upper straightening rollers 215 corresponding to the stainless steel pipes with the same diameter can be realized through an air pump or an oil pump.
Finally, referring to fig. 7, the lateral straightening section 3 includes a second housing 301, the left and right ends of the second housing 301 are also opened, so as to feed and discharge the stainless steel pipes, and a support frame 302 is connected to the lower surface of the second housing 301, so as to support the second housing 301 to a predetermined height. 2 to 3 groups of vertical straightening rollers 303 are symmetrically arranged on the front inner wall and the rear inner wall of the second case 301, and two groups of vertical straightening rollers 303 are arranged on the inner wall of each side in the figure. Each group of vertical straightening rollers 303 is composed of three vertical straightening rollers corresponding to stainless steel pipes with different diameters, and the two groups of vertical straightening rollers 303 are arranged in the second case 301 at left and right intervals. And third telescopic devices 304 connected with each vertical straightening roller 303 are fixedly arranged on the front outer side surface and the rear outer side surface of the second case 301, and the third telescopic devices 304 can also be one of hydraulic cylinders or air cylinders during specific arrangement. Meanwhile, in order to meet the requirement that the vertical straightening rollers 303 corresponding to the stainless steel pipes with the same diameter synchronously and longitudinally move, the oil passages or the gas passages of the third telescopic devices 304 corresponding to the stainless steel pipes with the same diameter are also connected in series, so that the vertical straightening rollers 303 corresponding to the stainless steel pipes with the same diameter can synchronously and longitudinally move through one air pump or one oil pump.
The adjusting process and the working principle of the stainless steel pipe straightener disclosed in the embodiment 1 when straightening stainless steel pipes with different diameters are as follows:
when a stainless steel pipe with the diameter of 63mm needs to be straightened, the belt motor 205 is started to drive the belt rollers 204 to rotate, the two closed-loop type conveying belts 203 are driven to synchronously transmit under the action of the belt rollers 204, a group of lower straightening rollers 207 corresponding to the stainless steel pipe with the diameter of 63mm are transmitted to the upper end, roll shafts at two ends of the lower straightening rollers 207 are aligned with the supporting blocks 211 on the U-shaped lifting frames 210 up and down, and the belt motor 205 is closed.
And then the first telescopic device 209 is controlled to extend, the U-shaped lifting frame 210 is pushed upwards until the roll shafts at the two ends of the group of lower straightening rolls 207 are attached to the smooth semicircular grooves on the corresponding support blocks 211, then the driving motor 212 is started, the lower straightening rolls 207 are enabled to rotate smoothly through the meshing transmission between the driving gear 213 and the driven gear 214, and the adjustment of the lower straightening rolls 207 is ensured to be completed.
Then, the second expansion device 216 corresponding to the stainless steel pipe with the diameter of 63mm is started again, so that the second expansion device 216 is expanded, and the upper straightening roll 215 corresponding to the stainless steel pipe with the diameter of 63mm in each group of upper straightening rolls 215 is moved downwards until the upper straightening rolls are moved downwards to the set height, so that the roller gap between the upper straightening roll 215 and the lower straightening roll 207 corresponds to the stainless steel pipe with the diameter of 63 mm.
Meanwhile, the third telescopic device 304 corresponding to the stainless steel pipe with the diameter of 63mm is started, so that the third telescopic device 304 is extended, and the vertical straightening rollers 303 corresponding to the stainless steel pipe with the diameter of 63mm in each group of vertical straightening rollers 303 are moved to the center of the second chassis 301 until the roller gap of the front and rear two aligned vertical straightening rollers 303 corresponds to the stainless steel pipe with the diameter of 63 mm.
After the switching adjustment of the corresponding straightening rollers in the longitudinal straightening section 2 and the transverse straightening section 3 is completed, the stainless steel pipe with the diameter of 63mm to be straightened is placed into the two rows of rotating rollers 102, and the stainless steel sequentially passes through the longitudinal straightening section 2 and the transverse straightening section 3 under the guiding and conveying effects of the two rows of rotating rollers 102, so that the straightening process of the stainless steel pipe is completed, and the near roundness of the stainless steel pipe can be fully ensured.
When the straightening treatment needs to be carried out on the stainless steel pipes with different diameters, the straightening requirements of different products can be met by switching and adjusting according to the steps.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A stainless steel pipe straightening machine comprises a feeding section, a longitudinal straightening section and a transverse straightening section which are sequentially connected, and is characterized in that the longitudinal straightening section comprises a first machine box and a machine cover which are connected up and down, a plurality of groups of lower straightening rollers which move and switch along with a closed-loop conveyor belt are arranged in the first machine box, each group of lower straightening rollers is formed by a plurality of adjacent lower straightening rollers which correspond to stainless steel pipes with the same size, each group of lower straightening rollers is formed into a group, a lifting frame which moves up and down is arranged in the first machine box is provided with a supporting block which supports a roll shaft of one group of lower straightening rollers, a driving motor which corresponds to each supporting block is arranged on the lifting frame, a rotating shaft of the driving motor is provided with a driving gear which is meshed with a driven gear on the roll shaft of the lower straightening rollers, a plurality of groups of upper straightening rollers are arranged in the machine cover, each group of upper straightening rollers is formed by a plurality of upper straightening rollers which correspond to stainless steel pipes with different sizes, and a second telescopic device which can realize independent lifting of each upper straightening roller is arranged on the machine cover;
the horizontal straightening section comprises a second case, a plurality of groups of vertical straightening rollers are symmetrically arranged at the front end and the rear end of the second case, each group of vertical straightening rollers consists of a plurality of vertical straightening rollers corresponding to stainless steel pipes with different sizes, and third telescopic devices for realizing independent back and forth movement of each vertical straightening roller are arranged on the front surface and the rear surface of the second case.
2. The stainless steel pipe straightener in claim 1, wherein a horizontal plate is fixedly arranged on the inner wall of the first machine box in the closed loop type conveyer belt, and a first telescopic device for realizing the up-and-down movement of the lifting frame is arranged on the horizontal plate.
3. The stainless steel pipe straightener of claim 2 wherein the first telescoping device, the second telescoping device and the third telescoping device are one of a hydraulic cylinder or a pneumatic cylinder.
4. The stainless steel pipe straightener in claim 1, wherein the first box is provided with two closed loop type conveyor belts symmetrically arranged in front and back, the first box is provided with belt rollers for realizing synchronous transmission of the two closed loop type conveyor belts, the two closed loop type conveyor belts are connected with widened endless belts on the end surfaces close to each other, and a plurality of groups of lower straightening rollers are rotatably connected between the two widened endless belts.
5. The stainless steel pipe straightener as claimed in claim 4, wherein a plurality of the lower straightening rolls are arranged at equal intervals in the direction of the loop line of the endless belt.
6. The stainless steel pipe straightener as claimed in claim 1, wherein the lower straightening rollers are divided into three groups, the number of the upper straightening rollers in each group of the upper straightening rollers is set to three, and three upper straightening rollers are respectively provided corresponding to stainless steel pipes of the same size as the three groups of the lower straightening rollers, the number of the vertical straightening rollers in each group of the vertical straightening rollers is set to three, and three vertical straightening rollers are respectively provided corresponding to stainless steel pipes of the same size as the three groups of the lower straightening rollers.
7. The stainless steel pipe straightener of claim 1, wherein the feeding section comprises a feeding frame, and a row of downward inclined rotating rollers are arranged at the front end and the rear end of the feeding frame.
8. The stainless steel pipe straightener of claim 1 wherein the upper end of the support block is provided with a smooth semicircular groove matched with the roll shaft of the lower straightening roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210922629.6A CN115255041A (en) | 2022-08-02 | 2022-08-02 | Stainless steel pipe straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210922629.6A CN115255041A (en) | 2022-08-02 | 2022-08-02 | Stainless steel pipe straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115255041A true CN115255041A (en) | 2022-11-01 |
Family
ID=83747394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210922629.6A Withdrawn CN115255041A (en) | 2022-08-02 | 2022-08-02 | Stainless steel pipe straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115255041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921596A (en) * | 2023-02-23 | 2023-04-07 | 无锡市源隆金属制品有限公司 | Torsion correction device for automobile straight welded pipe |
-
2022
- 2022-08-02 CN CN202210922629.6A patent/CN115255041A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921596A (en) * | 2023-02-23 | 2023-04-07 | 无锡市源隆金属制品有限公司 | Torsion correction device for automobile straight welded pipe |
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Application publication date: 20221101 |