CN112660883A - Reel unloader is used in coil of strip processing - Google Patents
Reel unloader is used in coil of strip processing Download PDFInfo
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- CN112660883A CN112660883A CN202011466654.5A CN202011466654A CN112660883A CN 112660883 A CN112660883 A CN 112660883A CN 202011466654 A CN202011466654 A CN 202011466654A CN 112660883 A CN112660883 A CN 112660883A
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- telescopic
- reel
- rod
- steel coil
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Abstract
The invention relates to the technical field of stainless steel coils, and discloses a winding drum blanking device for processing steel coils, which solves the problems that the feeding and the blanking of the conventional steel coils on a winding drum are very inconvenient, so that the processing efficiency of the steel coils is greatly influenced; the invention ensures that the steel coil is convenient to feed during processing, intelligent operation is realized, and the production efficiency is greatly increased.
Description
Technical Field
The invention belongs to the technical field of stainless steel coil processing in constructional engineering, and particularly relates to a winding drum blanking device for steel coil processing.
Background
In the building engineering, a stainless steel coil needs to undergo a plurality of working procedures during processing, wherein the rolling of the steel coil is one of the working procedures.
The steel sheet still need carry out multiple manufacturing procedure after the rolling, like quenching and tempering, hot rolling etc. the production efficiency of coil of strip is being influenced to the speed of coil of strip unloading after the rolling, and current coil of strip is gone up unloading in the reel very inconvenient, can influence the machining efficiency of coil of strip like this greatly, so need coil of strip processing in the trade with reel unloader to solve the problem that faces in the trade.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the winding drum blanking device for steel coil processing, which effectively solves the problem that the existing steel coil is very inconvenient to load and unload on the winding drum, so that the processing efficiency of the steel coil is greatly influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the winding drum blanking device for processing the steel coil comprises a workbench, wherein three groups of fixed tables are fixedly arranged on the workbench, a winding motor, a balance block and a hydraulic driving mechanism are respectively and fixedly arranged on the fixed tables, the output end of the winding motor is fixedly provided with a connecting rod through a coupler, a through hole is formed in the balance block, the connecting rod penetrates through one end of the balance block through the through hole and is fixedly connected with a winding drum, a bearing is arranged between the through hole and the connecting rod, the steel coil is wound on the winding drum, the hydraulic driving mechanism is connected with a hydraulic telescopic rod, one end of the hydraulic telescopic rod is fixedly connected with a square block, the outer wall of the winding drum is symmetrically provided with four grooves, an extrusion block is movably arranged in each groove, four groups of extrusion control mechanisms are symmetrically arranged in the winding drum, four groups of supporting thin plates are symmetrically arranged, a plurality of groups of second spring fixing blocks are symmetrically installed on the supporting thin plate, supporting tension springs are fixedly installed between the first spring fixing blocks and the second spring fixing blocks, supporting control mechanisms of four groups are symmetrically arranged on the outer sides of the square blocks, and blocking prevention openings are formed in the supporting thin plate close to one side of the winding drum.
Preferably, the extrusion control mechanism comprises four groups of control grooves arranged in the winding drum, and the control grooves are connected with the grooves.
Preferably, fixed mounting has a motor fixing base in the control flume, and fixed mounting has a positive and negative motor on the motor fixing base, and first positive and negative motor output end fixed mounting has first flexible mobile jib, is equipped with first telescopic link in the first flexible mobile jib, and fixed mounting is connected with first threaded rod on the first telescopic link.
Preferably, a first spiral ring block is fixedly installed in the control groove, a first spiral ring hole is formed in the first spiral ring block, the first threaded rod penetrates through one end of the first spiral ring block through the first spiral ring hole and is movably connected with a connecting block, and the connecting block is fixedly connected with the extrusion block.
Preferably, a clamping groove is formed in the connecting block, a clamping block is fixedly connected to the first threaded rod, and the clamping block is matched with and movably connected with the clamping groove.
Preferably, the first telescopic main rod is provided with a first telescopic groove, first sliding clamping grooves are formed in two sides of the first telescopic groove, a first sliding clamping block is fixedly connected to one end of the first telescopic rod, and the first sliding clamping block is matched and movably connected with the first sliding clamping grooves.
Preferably, the support control mechanism comprises four sets of second positive and negative motors fixedly mounted on the outer side of the square block, the output ends of the second positive and negative motors are fixedly mounted on a second telescopic main rod, a second telescopic rod is arranged in the second telescopic main rod, and a second threaded rod is fixedly mounted on the second telescopic rod.
Preferably, the square blocks are fixedly provided with four groups of support rods, the support rods are fixedly provided with second spiral ring blocks, second spiral ring holes are formed in the second spiral ring blocks, and the second threaded rods penetrate through the second spiral ring blocks through the second spiral ring holes.
Preferably, the spherical clamping beads are fixedly connected to one end of the second threaded rod, spherical clamping grooves are formed in the supporting thin plate, and the spherical clamping beads are matched with the spherical clamping grooves and movably connected.
Preferably, a second telescopic groove is formed in the second telescopic main rod, second sliding clamping grooves are formed in two sides of the second telescopic groove, a second sliding clamping block is fixedly connected to one end of the second telescopic rod, and the second sliding clamping block is matched and movably connected with the second sliding clamping grooves.
Compared with the prior art, the invention has the beneficial effects that:
(1) the utility model discloses a steel coil extrusion device, including a winding and unwinding machine, a winding drum, the coil of strip, first positive and negative motor, first flexible mobile jib, first threaded rod, first screw ring hole and extrusion piece, in operation, it rotates to carry out the rolling to the coil of strip to put the motor drive reel, when unloading after the rolling, drive first flexible mobile jib through first positive and negative motor in proper order, first telescopic link and first threaded rod rotate, the position of first threaded rod can be controlled under the interact in first threaded rod and first screw ring hole, thereby control extrusion piece is to the extrusion force of coil of strip, there is the multilayer between the coil of strip to fold, consequently, there is the gap, at this moment under the extrusion of extrusion piece, coil of strip internal diameter increases.
(2) The utility model discloses a coil of strip, through being provided with the reel, square piece, hydraulic drive mechanism, hydraulic telescoping rod, the coil of strip, support tension spring and support sheet metal, the reel is close to square piece one side and opens there is the slide opening, square piece alternates into in the reel and enter the coil of strip under hydraulic drive mechanism drive hydraulic telescoping rod's effect, the support sheet metal that supports tension spring and support the coil of strip, the coil of strip is fixed on supporting the sheet of strip like this, the reel is not hard up with the coil of strip this moment, hydraulic drive mechanism drives the square piece of hydraulic telescoping rod control and breaks away from the reel with the coil of strip.
(3) The utility model discloses a steel coil production device, including a first positive and negative motor, a second telescopic link, a second threaded rod, a second screw ring hole, support sheet metal, coil of strip and square piece, drive the flexible mobile jib of second through the positive and negative motor of second in proper order, the second telescopic link rotates with the second threaded rod, can control the position of second threaded rod under the interact of second threaded rod and second screw ring hole, thereby control support sheet metal is to the extrusion force of coil of strip, to support sheet metal to square piece center extrusion, coil of strip and support sheet metal are not hard up this moment, can relax take off the coil of strip, accomplish the unloading of coil of strip, this device makes the coil of strip convenient in the unloading of adding man-hour, intelligent operation, greatly increased production efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the roll of the present invention;
FIG. 3 is a schematic view of the extrusion control mechanism of the present invention;
FIG. 4 is a schematic view of the construction of the extrusion block of the present invention;
FIG. 5 is a diagram illustrating the structure of a square block according to the present invention;
FIG. 6 is a schematic structural view of a support control mechanism according to the present invention;
FIG. 7 is a schematic view of the structure of the support sheet of the present invention;
in the figure: 1. a work table; 2. a fixed table; 3. a winding and unwinding motor; 4. a counterbalance; 5. a hydraulic drive mechanism; 6. a connecting rod; 7. a coupling; 8. a through hole; 9. a bearing; 10. a reel; 11. a steel coil; 12. a groove; 13. extruding the block; 14. an extrusion control mechanism; 15. a control slot; 16. a motor fixing seat; 17. a first positive and negative motor; 18. a first telescopic main rod; 19. a first telescopic rod; 20. a first threaded rod; 21. a first screw ring block; 22. a first screw ring hole; 23. a joining block; 24. a card slot; 25. a clamping block; 26. a first telescopic slot; 27. a first slide clamp slot; 28. a first fixture block; 29. a hydraulic telescopic rod; 30. a square block; 31. supporting the thin plate; 32. a first spring fixing block; 33. a second spring fixing block; 34. supporting a tension spring; 35. a support control mechanism; 36. a second positive and negative motor; 37. a second telescopic main rod; 38. a second telescopic rod; 39. a second threaded rod; 40. a support bar; 41. a second screw ring block; 42. a second toroidal bore; 43. a spherical clamping groove; 44. spherical clamping beads; 45. a second telescopic slot; 46. a second slide clamp slot; 47. a second fixture block; 48. and (4) preventing the blocking opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
In the first embodiment, as shown in fig. 1, 2, 3, 4, 5, 6 and 7, the present invention includes a workbench 1, three sets of fixed platforms 2 are fixedly mounted on the workbench 1, a winding and unwinding motor 3, a balance weight 4 and a hydraulic driving mechanism 5 are respectively and fixedly mounted on the fixed platforms 2, a connecting rod 6 is fixedly mounted at an output end of the winding and unwinding motor 3 through a coupling 7, a through hole 8 is formed in the balance weight 4, the connecting rod 6 penetrates through one end of the balance weight 4 through the through hole 8 and is fixedly connected with a winding drum 10, a bearing 9 is mounted between the through hole 8 and the connecting rod 6, a steel coil 11 is wound on the winding drum 10, the winding and unwinding motor 3 drives the winding drum 10 to rotate to wind the steel coil 11, a hydraulic telescopic rod 29 is connected to the hydraulic driving mechanism 5, one end of the hydraulic telescopic rod 29 is fixedly connected with a square block 30, the hydraulic telescopic rod 29 is driven by, four grooves 12 are symmetrically arranged on the outer wall of the winding drum 10, four extrusion blocks 13 are movably arranged in the grooves 12, four groups of extrusion control mechanisms 14 are symmetrically arranged in the winding drum 10, four groups of support thin plates 31 are symmetrically arranged on the outer sides of the square blocks 30, four groups of first spring fixing blocks 32 are symmetrically arranged on the square blocks 30, a plurality of groups of second spring fixing blocks 33 are symmetrically arranged on the support thin plates 31, support tension springs 34 are fixedly arranged between the first spring fixing blocks 32 and the second spring fixing blocks 33, four groups of support control mechanisms 35 are symmetrically arranged on the outer sides of the square blocks 30, a blocking-preventing opening 48 is arranged on one side, close to the winding drum 10, of the support thin plates 31, the extrusion control mechanisms 14 control the extrusion blocks 13 to extrude the steel coil 11 outwards to increase the deformation inner diameter of the steel coil 11, a sliding hole is formed on one side, close to the square blocks 30, of the winding drum 10 penetrates into the winding drum, support the support sheet metal 31 that tension spring 34 supported and hold coil of strip 11, coil of strip 11 fixes on supporting sheet metal 31 like this, 10 and 11 not hard up of coil of strip this moment, hydraulic drive mechanism 5 drives the square piece 30 of 29 control of hydraulic telescopic rod and coil of strip 11 and breaks away from reel 10, then will support sheet metal 31 and extrude to square piece 30 center under the effect of supporting control mechanism 35, coil of strip 11 is not hard up with supporting sheet metal 31 this moment, coil of strip 11 of taking off that can relax, accomplish the unloading of coil of strip 11.
In the second embodiment, based on the first embodiment, as shown in fig. 1, 2 and 3, the extrusion control mechanism 14 includes four sets of control slots 15 opened in the winding drum 10, and the control slots 15 are connected with the grooves 12.
Third embodiment, on the basis of the second embodiment, as shown in fig. 1, 2 and 3, a motor fixing seat 16 is fixedly installed in the control slot 15, a first forward and reverse motor 17 is fixedly installed on the motor fixing seat 16, a first telescopic main rod 18 is fixedly installed at an output end of the first forward and reverse motor 17, a first telescopic rod 19 is installed in the first telescopic main rod 18, and a first threaded rod 20 is fixedly installed and connected on the first telescopic rod 19.
In the fourth embodiment, on the basis of the third embodiment, as shown in fig. 1, 2 and 3, a first screw ring block 21 is fixedly installed in the control slot 15, a first screw ring hole 22 is formed in the first screw ring block 21, the first threaded rod 20 penetrates through one end of the first screw ring block 21 through the first screw ring hole 22 and is movably connected with a connecting block 23, and the connecting block 23 is fixedly connected with the extrusion block 13.
In the fifth embodiment, on the basis of the fourth embodiment, as shown in fig. 1, 2 and 3, a clamping groove 24 is formed in the connecting block 23, a clamping block 25 is fixedly connected to the first threaded rod 20, and the clamping block 25 is matched and movably connected with the clamping groove 24.
Sixth embodiment, on the basis of fifth embodiment, given by fig. 1, 2 and 3, first flexible mobile jib 18 is equipped with first flexible groove 26, first draw-in groove 27 has been seted up to first flexible groove 26 both sides, first telescopic link 19 one end fixedly connected with first fixture block 28, first fixture block 28 and first draw-in groove 27 phase-match and swing joint slide, first positive and negative motor 17 drives first flexible mobile jib 18 in proper order, first telescopic link 19 rotates with first threaded rod 20, can control the position of first threaded rod 20 under the interact of first threaded rod 20 and first threaded ring hole 22, thereby control extrusion piece 13 is to the extrusion force of coil of strip 11.
Seventh embodiment, on the basis of the sixth embodiment, as shown in fig. 1, 5 and 6, the supporting control mechanism 35 includes four sets of second forward and reverse motors 36 fixedly installed outside the square block 30, a second telescopic main rod 37 is fixedly installed at an output end of the second forward and reverse motors 36, a second telescopic rod 38 is installed in the second telescopic main rod 37, and a second threaded rod 39 is fixedly installed and connected to the second telescopic rod 38.
In the eighth embodiment, on the basis of the seventh embodiment, as shown in fig. 1, 5 and 6, four sets of support rods 40 are fixedly mounted on the square block 30, second screw ring blocks 41 are fixedly mounted on the support rods 40, second screw ring holes 42 are formed in the second screw ring blocks 41, and the second threaded rods 39 penetrate through the second screw ring blocks 41 through the second screw ring holes 42.
Ninth embodiment, on the basis of the eighth embodiment, as shown in fig. 1, 5 and 6, one end of the second threaded rod 39 is fixedly connected with a spherical clamping bead 44, a spherical clamping groove 43 is formed in the supporting thin plate 31, and the spherical clamping bead 44 is matched with and movably connected with the spherical clamping groove 43.
Tenth embodiment, on the basis of ninth embodiment, given by fig. 1, 5 and 6, be equipped with second flexible groove 45 in the flexible mobile jib of second 37, second draw-in groove 46 has been seted up to second flexible groove 45 both sides, second telescopic link 38 one end fixedly connected with second fixture block 47, second fixture block 47 and second draw-in groove 46 phase-match and swing joint, second positive and negative motor 36 drives flexible mobile jib of second 37 in proper order, second telescopic link 38 rotates with second threaded rod 39, can control the position of second threaded rod 39 under the interact of second threaded rod 39 and second threaded ring hole 42, thereby control support sheet metal 31 is to the extrusion force of coil of strip 11.
The working principle is as follows: when the coiling and uncoiling device works, the coiling motor 3 drives the coiling block 10 to rotate to coil the steel coil 11, when the coiling and uncoiling device unloads materials, the first positive and negative motor 17 drives the first telescopic main rod 18, the first telescopic rod 19 and the first threaded rod 20 to rotate in sequence, the position of the first threaded rod 20 can be controlled under the interaction of the first threaded rod 20 and the first threaded ring hole 22, so as to control the extrusion force of the extrusion block 13 on the steel coil 11, the steel coil 11 is stacked in multiple layers, so that a gap exists, at the moment, under the extrusion action of the extrusion block 13, the inner diameter of the steel coil 11 is increased, one side of the coiling block 10, which is close to the square block 30, is provided with a sliding hole, the square block 30 penetrates into the coiling block 10 and then enters the steel coil 11 under the action of the hydraulic telescopic rod 29 driven by the hydraulic driving mechanism 5, the supporting sheet 31 supported by the supporting tension spring 34 supports the steel coil 11, so that the, hydraulic drive mechanism 5 drives the square piece 30 of hydraulic telescoping rod 29 control and breaks away from reel 10 with coil of strip 11, then drive the flexible mobile jib 37 of second in proper order through second positive and negative motor 36, second telescopic link 38 rotates with second threaded rod 39, can control the position of second threaded rod 39 under the interact of second threaded rod 39 and second screw ring hole 42, thereby control support sheet 31 is to the extrusion force of coil of strip 11, will support sheet 31 to square piece 30 central extrusion, coil of strip 11 is not hard up with support sheet 31 this moment, coil of strip 11 that takes off that can relax, accomplish coil of strip 11's unloading.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Reel unloader is used in coil of strip processing, including workstation (1), its characterized in that: the automatic winding machine is characterized in that three groups of fixed platforms (2) are fixedly arranged on the workbench (1), the fixed platforms (2) are respectively and fixedly provided with a winding and unwinding motor (3), a balance block (4) and a hydraulic driving mechanism (5), the output end of the winding and unwinding motor (3) is fixedly provided with a connecting rod (6) through a coupler (7), a through hole (8) is formed in the balance block (4), the connecting rod (6) penetrates through one end of the balance block (4) through the through hole (8) and is fixedly connected with a winding drum (10), a bearing (9) is arranged between the through hole (8) and the connecting rod (6), a steel coil (11) is wound on the winding drum (10), the hydraulic driving mechanism (5) is connected with a hydraulic telescopic rod (29), one end of the hydraulic telescopic rod (29) is fixedly connected with square blocks (30), four grooves (12) are symmetrically formed in the outer wall of the, the extrusion control mechanism (14) that the symmetry is equipped with quantity and is four groups in reel (10), the support sheet metal (31) that quantity is four groups are installed to square piece (30) outside symmetry, the first spring fixed block (32) of a plurality of groups are installed to the symmetry on square piece (30), a plurality of second spring fixed block (33) of group are installed to the symmetry on support sheet metal (31), fixed mounting has between first spring fixed block (32) and second spring fixed block (33) and supports tension spring (34), square piece (30) outside symmetry is equipped with support control mechanism (35) that quantity is four groups, it prevents keeping off mouthful (48) to be seted up near reel (10) one side on support sheet metal (31).
2. The reel blanking device for steel coil processing according to claim 1, characterized in that: the extrusion control mechanism (14) comprises four groups of control grooves (15) arranged in the winding drum (10), and the control grooves (15) are connected with the grooves (12).
3. The reel blanking device for steel coil processing according to claim 2, characterized in that: fixed mounting has motor fixing base (16) in control tank (15), and fixed mounting has first positive and negative motor (17) on motor fixing base (16), and first positive and negative motor (17) output end fixed mounting has first flexible mobile jib (18), is equipped with first telescopic link (19) in first flexible mobile jib (18), and fixed mounting is connected with first threaded rod (20) on first telescopic link (19).
4. The reel blanking device for steel coil processing according to claim 3, characterized in that: fixed mounting has first helicoidal block (21) in control groove (15), has seted up first helicoidal hole (22) in first helicoidal block (21), and first threaded rod (20) run through first helicoidal block (21) one end swing joint through first helicoidal hole (22) and have a piece (23) of linking up, link up piece (23) and extrusion piece (13) fixed connection.
5. The reel blanking device for steel coil processing according to claim 4, characterized in that: a clamping groove (24) is formed in the joining block (23), a clamping block (25) is fixedly connected to the first threaded rod (20), and the clamping block (25) is matched and movably connected with the clamping groove (24).
6. The reel blanking device for steel coil processing according to claim 5, characterized in that: the first telescopic main rod (18) is provided with a first telescopic groove (26), first sliding clamping grooves (27) are formed in two sides of the first telescopic groove (26), one end of the first telescopic rod (19) is fixedly connected with a first sliding clamping block (28), and the first sliding clamping block (28) is matched with and movably connected with the first sliding clamping grooves (27).
7. The reel blanking device for steel coil processing according to claim 6, characterized in that: support control mechanism (35) including four positive and negative motors of group's second (36) in square piece (30) outside fixed mounting, the flexible mobile jib of second (37) is fixed to be installed to the positive and negative motor of second (36) output end, is equipped with second telescopic link (38) in the flexible mobile jib of second (37), and fixed mounting is connected with second threaded rod (39) on second telescopic link (38).
8. The reel blanking device for steel coil processing according to claim 7, characterized in that: the supporting rods (40) with the number of four groups are fixedly mounted on the square block (30), the second screw ring block (41) is fixedly mounted on the supporting rods (40), a second screw ring hole (42) is formed in the second screw ring block (41), and the second screw rod (39) penetrates through the second screw ring block (41) through the second screw ring hole (42).
9. The reel blanking device for steel coil processing according to claim 8, characterized in that: one end of the second threaded rod (39) is fixedly connected with a spherical clamping bead (44), a spherical clamping groove (43) is formed in the supporting thin plate (31), and the spherical clamping bead (44) is matched with the spherical clamping groove (43) and is movably connected with the same.
10. The reel blanking device for steel coil processing according to claim 9, characterized in that: a second telescopic groove (45) is formed in the second telescopic main rod (37), second sliding clamping grooves (46) are formed in two sides of the second telescopic groove (45), a second sliding clamping block (47) is fixedly connected to one end of the second telescopic rod (38), and the second sliding clamping block (47) is matched and movably connected with the second sliding clamping grooves (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466654.5A CN112660883A (en) | 2020-12-14 | 2020-12-14 | Reel unloader is used in coil of strip processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466654.5A CN112660883A (en) | 2020-12-14 | 2020-12-14 | Reel unloader is used in coil of strip processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112660883A true CN112660883A (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011466654.5A Withdrawn CN112660883A (en) | 2020-12-14 | 2020-12-14 | Reel unloader is used in coil of strip processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112660883A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732127A (en) * | 2021-09-03 | 2021-12-03 | 河北布洛林机电设备有限公司 | Strip steel splicing manufacturing storage tank rolling device |
| CN115504294A (en) * | 2022-10-22 | 2022-12-23 | 河北新时代纺织有限公司 | Textile cloth is beaten and is rolled up and equipment for packing |
-
2020
- 2020-12-14 CN CN202011466654.5A patent/CN112660883A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732127A (en) * | 2021-09-03 | 2021-12-03 | 河北布洛林机电设备有限公司 | Strip steel splicing manufacturing storage tank rolling device |
| CN115504294A (en) * | 2022-10-22 | 2022-12-23 | 河北新时代纺织有限公司 | Textile cloth is beaten and is rolled up and equipment for packing |
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Application publication date: 20210416 |
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| WW01 | Invention patent application withdrawn after publication |