CN112474889A - Nonrust steel pipe straightener of longitudinal adjustment formula - Google Patents
Nonrust steel pipe straightener of longitudinal adjustment formula Download PDFInfo
- Publication number
- CN112474889A CN112474889A CN202011513176.9A CN202011513176A CN112474889A CN 112474889 A CN112474889 A CN 112474889A CN 202011513176 A CN202011513176 A CN 202011513176A CN 112474889 A CN112474889 A CN 112474889A
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- clamping
- rod
- cross
- sliding block
- supporting plate
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- 229910000831 Steel Inorganic materials 0.000 title description 3
- 239000010959 steel Substances 0.000 title description 3
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a longitudinally-adjusted stainless steel pipe straightening device which comprises a base, a supporting plate, an upper straightening mechanism, a lower straightening mechanism, a synchronous driving mechanism, a transverse floating assembly and a longitudinal adjusting mechanism, wherein the upper straightening mechanism is arranged on the base; according to the invention, two supporting plates are respectively arranged on two sides of the upper end of the base through the longitudinal adjusting mechanism, and the floating internal thread cylinder is driven to float up and down by rotating the rotary positioning screw rod, so that the straightening heights of the whole upper straightening mechanism and the whole lower straightening mechanism are realized, and the use is more convenient.
Description
Technical Field
The invention relates to a longitudinally-adjusting stainless steel pipe straightening device.
Background
Stainless steel tubes are widely applied in various industries, and with the development of various industries, stainless steel does not have the hardness as that of other steel tube materials, so that bending deformation is often caused, or a straightening procedure is performed on the stainless steel tubes according to the processing requirement, so that the normal use of the stainless steel tubes can be ensured, but if the stainless steel tubes are corrected by manpower, the correction is not practical, the input of physical time is increased, and the correction effect is not good.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the longitudinal adjusting type stainless steel pipe straightening device is capable of longitudinally adjusting the position, transversely finely adjusting the position and synchronously adjusting the straightening distance.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a longitudinally-adjusted stainless steel pipe straightening device comprises a base, a supporting plate, an upper straightening mechanism, a lower straightening mechanism, a synchronous driving mechanism, a transverse floating assembly and a longitudinal adjusting mechanism; two supporting plates are respectively arranged on two sides of the upper end of the base through a longitudinal adjusting mechanism; the supporting plates on the two sides of the upper end of the base are arranged in parallel relatively; the opposite inner sides of the supporting plates are provided with sliding clamping grooves which are distributed from top to bottom; the upper straightening mechanism comprises an upper pressing roller, an upper clamping and connecting rod and an upper sliding block; two sides of the upper pressing roller are respectively provided with an upper clamping rod in a rotating and clamping manner; the outer end of the upper clamping connecting rod is provided with an upper sliding block through a transverse floating assembly; the upper sliding blocks are respectively installed on the sliding clamping grooves of the supporting plate in a sliding mode; the lower straightening mechanism comprises a lower pressing roller, a lower clamping and connecting rod and a lower sliding block; the lower pressing roller is arranged below the upper pressing roller; two sides of the lower pressing roller are respectively provided with a lower clamping rod in a rotating and clamping manner; the outer ends of the lower clamping connecting rods are respectively provided with a lower sliding block through a transverse floating assembly; the lower sliding blocks are respectively and slidably arranged on the sliding clamping grooves of the supporting plate; the synchronous driving mechanism is arranged on the outer side of the supporting plate on one side of the upper end of the base; the synchronous driving mechanism drives the upper sliding block and the lower sliding block to synchronously move relatively; the transverse floating assembly comprises a positioning cylinder, a rectangular insertion column, a locking sleeve, a cross-connection plate, a cross-connection screw and a clamping nut; a rectangular insertion column is arranged at the outer end of an upper clamping rod at one end of the upper abutting roller; the inner end of the upper sliding block is provided with a positioning cylinder; the rectangular inserting column is transversely inserted into the positioning cylinder in a sliding manner; the outer end of an upper clamping rod at the other end of the upper abutting roller is provided with a cross-connecting screw rod; the inner end of the upper sliding block is provided with a locking sleeve; a cross-under plate is arranged in the locking sleeve; the cross-under screw rod is in sliding cross-under connection with the cross-under plate; the cross-under screw is in threaded connection with two clamping nuts; a rectangular insertion column is arranged at the outer end of the lower clamping rod at one end of the lower abutting roller; a positioning cylinder is arranged at the inner end of the lower sliding block; the rectangular inserting column is transversely inserted into the positioning cylinder in a sliding manner; the outer end of the lower clamping rod at the other end of the lower abutting roller is provided with a cross-connecting screw rod; the inner end of the lower sliding block is provided with a locking sleeve; a cross-under plate is arranged in the locking sleeve; the cross-under screw rod is in sliding cross-under connection with the cross-under plate; the cross-under screw is in threaded connection with two clamping nuts; the longitudinal adjusting mechanism comprises a floating internal thread cylinder, a rotary positioning screw rod and a guide rod; the outer side of the lower end of the supporting plate is provided with a guide groove, and the inner side of the lower end is provided with a floating internal thread cylinder; two sides of the upper end of the base are respectively rotatably clamped with a rotary positioning screw; the outer ends of the rotary positioning screws are respectively provided with a guide rod; the supporting plate is sleeved at the upper end of the rotary positioning screw rod through a floating internal thread barrel; the supporting plate is inserted into the upper end of the guide rod through the guide groove.
Further, the synchronous driving mechanism comprises a driving cylinder, a connecting cross rod and a floating screw rod; thread grooves are respectively arranged inside the upper end and the lower end of the driving cylinder; the driving cylinder is rotatably clamped and mounted in the middle of the outer side of the supporting plate; the outer sides of the upper sliding block and the lower sliding block are respectively connected with a connecting cross rod; the outer end of the connecting cross rod extends to the outer side of the supporting plate; the outer ends of the connecting cross rods are respectively provided with a floating screw; the floating screw rods are respectively in threaded connection with the thread grooves at the end parts of the driving cylinders.
Furthermore, a positioning rod is arranged in the middle of the outer side of the supporting plate; a rotary clamping ring groove is formed in the periphery of the middle of the driving cylinder; the driving cylinder is rotatably clamped at the outer end of the positioning rod through the rotary clamping ring grooves at the periphery in the middle.
Furthermore, a pressing elastic body is respectively arranged in the sliding clamping grooves of the supporting plate; two ends of the abutting elastic body respectively elastically abut against the upper sliding block and the lower sliding block.
Furthermore, the middle of the upper pressing roller and the lower pressing roller is provided with a pressing ring groove.
The invention has the advantages of
According to the invention, two supporting plates are respectively arranged on two sides of the upper end of the base through the longitudinal adjusting mechanism, and the floating internal thread cylinder is driven to float up and down by rotating the rotary positioning screw rod, so that the straightening heights of the whole upper straightening mechanism and the whole lower straightening mechanism are realized, and the use is more convenient.
The upper abutting roller and the lower abutting roller of the invention are transversely floated through the transverse floating assembly, so that the transverse correcting position can be adjusted, and the use is more flexible and convenient.
The synchronous driving mechanism synchronously drives the upper sliding block and the lower sliding block to synchronously and relatively move, so that the straightening clamping interval of the upper pressing roller and the lower pressing roller can be driven, the straightening interval can be adjusted according to pipe bodies with different diameters, and the synchronous driving mechanism is very convenient and flexible to use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic structural view of the synchronous driving mechanism of the present invention.
FIG. 3 is an enlarged view of a portion of one side of the lateral floating assembly of the present invention.
FIG. 4 is a partial enlarged view of the other side of the transverse floating assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a longitudinally-adjustable stainless steel pipe straightening device comprises a base 1, a support plate 2, an upper straightening mechanism 3, a lower straightening mechanism 4, a synchronous driving mechanism 5, a transverse floating assembly 8 and a longitudinally-adjustable mechanism 9; two supporting plates 2 are respectively arranged on two sides of the upper end of the base 1 through a longitudinal adjusting mechanism 9; the supporting plates 2 on two sides of the upper end of the base 1 are arranged in parallel relatively; the opposite inner sides of the supporting plates 2 are provided with sliding clamping grooves 21 distributed from top to bottom; the upper straightening mechanism 3 comprises an upper pressing roller 31, an upper clamping rod 32 and an upper sliding block 33; two sides of the upper pressing roller 31 are respectively provided with an upper clamping rod 32 in a rotating clamping way; the outer ends of the upper clamping rods 32 are respectively provided with an upper sliding block 33 through a transverse floating assembly 8; the upper sliding blocks 33 are respectively installed on the sliding clamping grooves 21 of the supporting plate 2 in a sliding manner; the lower straightening mechanism 4 comprises a lower pressing roller 41, a lower clamping rod 42 and a lower sliding block 43; the lower pressing roller 41 is arranged below the upper pressing roller 31; two sides of the lower pressing roller 41 are respectively provided with a lower clamping rod 42 in a rotating clamping manner; the outer ends of the lower clamping rods 42 are respectively provided with a lower sliding block 43 through a transverse floating assembly 8; the lower sliding blocks 43 are respectively installed on the sliding clamping grooves 21 of the supporting plate 2 in a sliding manner; the synchronous driving mechanism 5 is arranged on the outer side of the supporting plate 2 on one side of the upper end of the base 1; the synchronous driving mechanism 5 drives the upper sliding block 33 and the lower sliding block 43 to synchronously move relatively; the transverse floating assembly 8 comprises a positioning cylinder 85, a rectangular insertion column 86, a locking sleeve 83, a cross connection plate 84, a cross connection screw 81 and a clamping nut 82; a rectangular plug-in column 86 is arranged at the outer end of the upper clamping rod 32 at one end of the upper abutting roller 31; the inner end of the upper sliding block 33 is provided with a positioning cylinder 85; the rectangular plug-in column 86 is transversely inserted into the positioning cylinder 85 in a sliding manner; the outer end of the upper clamping rod 32 at the other end of the upper abutting roller 31 is provided with a cross-connecting screw 81; the inner end of the upper sliding block 33 is provided with a locking sleeve 83; a cross-under plate 84 is arranged in the locking sleeve 83; the cross-under screw 81 is in sliding cross-under connection with the cross-under plate 84; the cross-over screw 81 is in threaded connection with two clamping nuts 82; a rectangular inserting column 86 is arranged at the outer end of the lower clamping rod 42 at one end of the lower abutting roller 41; the inner end of the lower sliding block 43 is provided with a positioning cylinder 85; the rectangular plug-in column 86 is transversely inserted into the positioning cylinder 85 in a sliding manner; the outer end of a lower clamping rod 42 at the other end of the lower abutting roller 41 is provided with a penetrating screw rod; the inner end of the lower sliding block is provided with a locking sleeve; a cross-under plate is arranged in the locking sleeve; the cross-under screw rod is in sliding cross-under connection with the cross-under plate; the cross-under screw is in threaded connection with two clamping nuts; the longitudinal adjusting mechanism 9 comprises a floating internal thread cylinder 93, a rotary positioning screw 92 and a guide rod 91; the outer side of the lower end of the supporting plate 2 is provided with a guide groove 29, and the inner side of the lower end is provided with a floating internal thread cylinder 93; two sides of the upper end of the base 1 are respectively provided with a rotary positioning screw 92 in a rotary clamping manner; the outer ends of the rotary positioning screws 92 are respectively provided with a guide rod 91; the supporting plate 2 is in threaded sleeve joint with the upper end of the rotary positioning screw 92 through a floating internal thread cylinder 93; the support plate 2 is inserted into the upper end of the guide rod 91 through the guide groove 29.
As shown in fig. 1 to 4, further, the synchronous driving mechanism 5 includes a driving cylinder 53, a connecting cross bar 51, a floating screw 52; thread grooves 531 are respectively arranged in the upper end and the lower end of the driving cylinder 53; the driving cylinder 53 is rotatably clamped and installed in the middle of the outer side of the supporting plate 2; the outer sides of the upper sliding block 33 and the lower sliding block 43 are respectively connected with a connecting cross rod 51; the outer ends of the connecting cross rods 51 extend to the outer side of the supporting plate 2; the outer ends of the connecting cross rods 51 are respectively provided with a floating screw 52; the floating screws 52 are respectively screwed into the screw grooves 531 formed at the ends of the driving cylinder 53. Furthermore, a positioning rod 54 is arranged in the middle of the outer side of the supporting plate 2; a rotary clamping ring groove 532 is arranged around the middle of the driving cylinder 53; the driving cylinder 53 is rotatably clamped at the outer end of the positioning rod 54 through a rotary clamping ring groove 532 at the periphery in the middle. Furthermore, a pressing elastic body 6 is respectively arranged in the sliding clamping grooves 21 of the supporting plate 2; the two ends of the abutting elastic body 6 elastically abut against the upper sliding block 33 and the lower sliding block 43 respectively. Further, the middle parts of the upper abutting roller 31 and the lower abutting roller 41 are provided with abutting ring grooves 7.
According to the invention, two supporting plates 2 are respectively arranged on two sides of the upper end of the base 1 through the longitudinal adjusting mechanism 9, and the floating internal thread cylinder 93 is driven to float up and down by rotating the rotary positioning screw 92, so that the straightening heights of the whole upper straightening mechanism 3 and the whole lower straightening mechanism 4 are realized, and the use is more convenient.
The upper abutting roller 31 and the lower abutting roller 41 of the invention are transversely floated by the transverse floating assembly 8, so that the transverse correcting position can be adjusted, and the use is more flexible and convenient.
The synchronous driving mechanism 5 synchronously drives the upper sliding block 33 and the lower sliding block 43 to synchronously and relatively move, so that the straightening clamping distance between the upper pressing roller 31 and the lower pressing roller 41 can be driven, the straightening distance can be adjusted according to pipe bodies with different diameters, and the synchronous driving mechanism is very convenient and flexible to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A longitudinally-adjusted stainless steel pipe straightening device is characterized by comprising a base, a supporting plate, an upper straightening mechanism, a lower straightening mechanism, a synchronous driving mechanism, a transverse floating assembly and a longitudinal adjusting mechanism; two supporting plates are respectively arranged on two sides of the upper end of the base through a longitudinal adjusting mechanism; the supporting plates on the two sides of the upper end of the base are arranged in parallel relatively; the opposite inner sides of the supporting plates are provided with sliding clamping grooves which are distributed from top to bottom; the upper straightening mechanism comprises an upper pressing roller, an upper clamping and connecting rod and an upper sliding block; two sides of the upper pressing roller are respectively provided with an upper clamping rod in a rotating and clamping manner; the outer end of the upper clamping connecting rod is provided with an upper sliding block through a transverse floating assembly; the upper sliding blocks are respectively installed on the sliding clamping grooves of the supporting plate in a sliding mode; the lower straightening mechanism comprises a lower pressing roller, a lower clamping and connecting rod and a lower sliding block; the lower pressing roller is arranged below the upper pressing roller; two sides of the lower pressing roller are respectively provided with a lower clamping rod in a rotating and clamping manner; the outer ends of the lower clamping connecting rods are respectively provided with a lower sliding block through a transverse floating assembly; the lower sliding blocks are respectively and slidably arranged on the sliding clamping grooves of the supporting plate; the synchronous driving mechanism is arranged on the outer side of the supporting plate on one side of the upper end of the base; the synchronous driving mechanism drives the upper sliding block and the lower sliding block to synchronously move relatively; the transverse floating assembly comprises a positioning cylinder, a rectangular insertion column, a locking sleeve, a cross-connection plate, a cross-connection screw and a clamping nut; a rectangular insertion column is arranged at the outer end of an upper clamping rod at one end of the upper abutting roller; the inner end of the upper sliding block is provided with a positioning cylinder; the rectangular inserting column is transversely inserted into the positioning cylinder in a sliding manner; the outer end of an upper clamping rod at the other end of the upper abutting roller is provided with a cross-connecting screw rod; the inner end of the upper sliding block is provided with a locking sleeve; a cross-under plate is arranged in the locking sleeve; the cross-under screw rod is in sliding cross-under connection with the cross-under plate; the cross-under screw is in threaded connection with two clamping nuts; a rectangular insertion column is arranged at the outer end of the lower clamping rod at one end of the lower abutting roller; a positioning cylinder is arranged at the inner end of the lower sliding block; the rectangular inserting column is transversely inserted into the positioning cylinder in a sliding manner; the outer end of the lower clamping rod at the other end of the lower abutting roller is provided with a cross-connecting screw rod; the inner end of the lower sliding block is provided with a locking sleeve; a cross-under plate is arranged in the locking sleeve; the cross-under screw rod is in sliding cross-under connection with the cross-under plate; the cross-under screw is in threaded connection with two clamping nuts; the longitudinal adjusting mechanism comprises a floating internal thread cylinder, a rotary positioning screw rod and a guide rod; the outer side of the lower end of the supporting plate is provided with a guide groove, and the inner side of the lower end is provided with a floating internal thread cylinder; two sides of the upper end of the base are respectively rotatably clamped with a rotary positioning screw; the outer ends of the rotary positioning screws are respectively provided with a guide rod; the supporting plate is sleeved at the upper end of the rotary positioning screw rod through a floating internal thread barrel; the supporting plate is inserted into the upper end of the guide rod through the guide groove.
2. The longitudinally-adjusted stainless steel pipe straightening device according to claim 1, wherein the synchronous driving mechanism comprises a driving cylinder, a connecting cross rod and a floating screw rod; thread grooves are respectively arranged inside the upper end and the lower end of the driving cylinder; the driving cylinder is rotatably clamped and mounted in the middle of the outer side of the supporting plate; the outer sides of the upper sliding block and the lower sliding block are respectively connected with a connecting cross rod; the outer end of the connecting cross rod extends to the outer side of the supporting plate; the outer ends of the connecting cross rods are respectively provided with a floating screw; the floating screw rods are respectively in threaded connection with the thread grooves at the end parts of the driving cylinders.
3. The longitudinally-adjusted stainless steel pipe straightening device according to claim 2, wherein a positioning rod is arranged in the middle of the outer side of the supporting plate; a rotary clamping ring groove is formed in the periphery of the middle of the driving cylinder; the driving cylinder is rotatably clamped at the outer end of the positioning rod through the rotary clamping ring grooves at the periphery in the middle.
4. The longitudinally-adjusted stainless steel pipe straightening device according to claim 1, wherein a pressing elastic body is respectively arranged in the sliding clamping grooves of the supporting plates; two ends of the abutting elastic body respectively elastically abut against the upper sliding block and the lower sliding block.
5. The longitudinally-adjusted stainless steel pipe straightening device according to claim 1, wherein a pressing ring groove is formed in the middle of each of the upper pressing roller and the lower pressing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011513176.9A CN112474889B (en) | 2020-12-21 | 2020-12-21 | Nonrust steel pipe straightener of longitudinal adjustment formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011513176.9A CN112474889B (en) | 2020-12-21 | 2020-12-21 | Nonrust steel pipe straightener of longitudinal adjustment formula |
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| Publication Number | Publication Date |
|---|---|
| CN112474889A true CN112474889A (en) | 2021-03-12 |
| CN112474889B CN112474889B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011513176.9A Active CN112474889B (en) | 2020-12-21 | 2020-12-21 | Nonrust steel pipe straightener of longitudinal adjustment formula |
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| Country | Link |
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| CN (1) | CN112474889B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983044A (en) * | 2021-10-25 | 2022-01-28 | 领胜城科技（江苏）有限公司 | Correction regulation formula nanocrystalline hot pressing laminating device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022136A1 (en) * | 1979-07-07 | 1981-01-14 | Th. Kieserling & Albrecht GmbH & Co. | Straightening machine with obliquely mounted rolls |
| DE9404878U1 (en) * | 1994-03-22 | 1994-05-19 | Zibulla & Sohn Gmbh | Device for greasing workpieces in strip or blank form with quickly replaceable greasing rollers |
| CN1103820A (en) * | 1993-12-15 | 1995-06-21 | 鞍山钢铁公司 | Straightening machine for special steel tube |
| US20010023604A1 (en) * | 2000-01-07 | 2001-09-27 | Sms Eumuco Gmbh | Cross-roll straightener |
| CN203695662U (en) * | 2013-12-19 | 2014-07-09 | 天津市中重科技工程有限公司 | Pitch adjustment device of straightening machine |
| CN208628178U (en) * | 2018-09-08 | 2019-03-22 | 李瑞静 | A kind of lifting device for straightener |
| CN210253660U (en) * | 2019-04-11 | 2020-04-07 | 湖州和成园林绿化工程有限公司 | Straightening device for building steel pipe |
-
2020
- 2020-12-21 CN CN202011513176.9A patent/CN112474889B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022136A1 (en) * | 1979-07-07 | 1981-01-14 | Th. Kieserling & Albrecht GmbH & Co. | Straightening machine with obliquely mounted rolls |
| CN1103820A (en) * | 1993-12-15 | 1995-06-21 | 鞍山钢铁公司 | Straightening machine for special steel tube |
| DE9404878U1 (en) * | 1994-03-22 | 1994-05-19 | Zibulla & Sohn Gmbh | Device for greasing workpieces in strip or blank form with quickly replaceable greasing rollers |
| US20010023604A1 (en) * | 2000-01-07 | 2001-09-27 | Sms Eumuco Gmbh | Cross-roll straightener |
| CN203695662U (en) * | 2013-12-19 | 2014-07-09 | 天津市中重科技工程有限公司 | Pitch adjustment device of straightening machine |
| CN208628178U (en) * | 2018-09-08 | 2019-03-22 | 李瑞静 | A kind of lifting device for straightener |
| CN210253660U (en) * | 2019-04-11 | 2020-04-07 | 湖州和成园林绿化工程有限公司 | Straightening device for building steel pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983044A (en) * | 2021-10-25 | 2022-01-28 | 领胜城科技（江苏）有限公司 | Correction regulation formula nanocrystalline hot pressing laminating device |
| CN113983044B (en) * | 2021-10-25 | 2023-03-24 | 领胜城科技（江苏）有限公司 | Correction regulation formula nanocrystalline hot pressing laminating device |
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| Publication number | Publication date |
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| CN112474889B (en) | 2022-11-29 |
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Application publication date: 20210312 Assignee: Jiangsu Chuangqi Testing Technology Co.,Ltd. Assignor: DONGTAI GAOKE TECHNOLOGY INNOVATION PARK Co.,Ltd. Contract record no.: X2023980050142 Denomination of invention: A longitudinal adjustment type stainless steel pipe straightening device Granted publication date: 20221129 License type: Common License Record date: 20231206 |
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