CN113909394B - Steel belt discharging device of punching machine - Google Patents
Steel belt discharging device of punching machine Download PDFInfo
- Publication number
- CN113909394B CN113909394B CN202111211853.6A CN202111211853A CN113909394B CN 113909394 B CN113909394 B CN 113909394B CN 202111211853 A CN202111211853 A CN 202111211853A CN 113909394 B CN113909394 B CN 113909394B
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped
- mounting
- connecting rod
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 238000007599 discharging Methods 0.000 title claims abstract description 12
- 238000004080 punching Methods 0.000 title claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005389 magnetism Effects 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
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention provides a steel belt discharging device of a punching machine, which comprises a mounting roller and a plurality of supporting structures, wherein through grooves are formed in the mounting roller, a plurality of mounting grooves are uniformly distributed on the side wall of the mounting roller, and the mounting grooves and the through grooves extend along the axial direction of the mounting roller; a sliding body is arranged in the through groove, a screw rod is rotationally connected to the mounting roller, and the screw rod penetrates through the sliding block and is in threaded connection with the sliding block; the support structure comprises a first connecting rod, a second connecting rod, a support connecting rod and an arc-shaped support plate, one end of the first connecting rod is rotationally connected in the mounting groove, the other end of the first connecting rod is fixedly provided with a first rotating shaft, and the first rotating shaft is inserted into the arc-shaped support plate to be rotationally connected with the arc-shaped support plate; one end of the second connecting rod is rotationally connected in the mounting groove, the other end of the second connecting rod is fixedly provided with a second rotating shaft, the second rotating shaft is inserted into the arc-shaped supporting plate to be rotationally connected with the arc-shaped supporting plate, one end of the supporting connecting rod is rotationally connected with the mounting block, and the other end of the supporting connecting rod is rotationally connected with the middle part of the second connecting rod; the arc-shaped support plate is sleeved with a limiting frame, the outer arc-shaped part is inserted with a bolt, and the bolt is inserted into the arc-shaped support plate to be magnetically connected with the arc-shaped support plate.
Description
Technical Field
The invention relates to seat chassis stamping machinery, in particular to a steel belt discharging device of a stamping machine.
Background
The metal fittings of the seat chassis are made in a stamping mode, raw materials of the metal fittings adopt steel coils, steel rings are placed on rollers, and the steel coils are driven by driving rollers to be unfolded and fed into a stamping machine for gradual stamping forming. The existing drum is generally of a specific diameter, so that it can only correspond to a coil of steel of one gauge.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a steel strip discharging device of a punching machine, which can adapt to steel coils with different inner diameters.
The technical aim of the invention is realized by the following technical scheme: the steel belt discharging device of the punching machine comprises a mounting roller and a plurality of supporting structures which are uniformly distributed along the circumferential direction of the mounting roller, wherein through grooves are formed in the mounting roller, a plurality of mounting grooves are uniformly distributed on the side wall of the mounting roller, the mounting grooves are communicated with the through grooves, the mounting grooves and the through grooves extend along the axial direction of the mounting roller, and the length of the through grooves is smaller than that of the mounting grooves; a sliding body is arranged in the through groove, and comprises a sliding block and mounting blocks fixed on the side face of the sliding block, each mounting groove corresponds to two mounting blocks, and the two mounting blocks are abutted with the inner wall of the mounting groove; the installation roller is rotationally connected with a screw rod, and the screw rod penetrates through the sliding block and is in threaded connection with the sliding block; the supporting structure comprises a first connecting rod, a second connecting rod, a supporting connecting rod and an arc-shaped supporting plate, one end of the first connecting rod is rotatably connected in the mounting groove, a first rotating shaft is fixed at the other end of the first connecting rod, and the first rotating shaft is inserted into the arc-shaped supporting plate and is rotatably connected with the arc-shaped supporting plate; one end of the second connecting rod is rotationally connected in the mounting groove, the other end of the second connecting rod is fixedly provided with a second rotating shaft, the second rotating shaft is inserted into the arc-shaped supporting plate to be rotationally connected with the arc-shaped supporting plate, one end of the supporting connecting rod is rotationally connected with the mounting block, and the other end of the supporting connecting rod is rotationally connected with the middle part of the second connecting rod; the utility model discloses a support plate, including arc backup pad, the arc backup pad has cup jointed spacing in the arc backup pad, spacing includes the interior arc portion of butt arc backup pad internal surface, with interior arc portion fixed and the V-arrangement frame of outer arc portion, fixed on outer arc portion of arc backup pad surface, the pointed end of V-arrangement frame outwards, and outer arc portion inserts a bolt, and the bolt inserts arc backup pad and arc backup pad magnetism and is connected.
Place the steel band book on the arc curb plate, through rotating the screw rod, drive the slider and remove, the slider drives the support connecting rod, and the support connecting rod drives the second connecting rod, and first connecting rod and two synchronous rotations of second drive arc backup pad move outward to support tightly arc backup pad and steel band book, screw rod itself has the self-locking effect simultaneously, need not to fix the screw rod again, easy operation. And the V-shaped frame is arranged on the outer side of the arc-shaped supporting plate for further limiting, so that a safety effect is achieved, and the steel coil is prevented from being separated from the arc-shaped supporting plate. The gravity of the V-shaped frame is heavier, a larger friction force is generated between the V-shaped frame and the arc-shaped supporting plate, and the V-shaped frame is fixed in a magnetic bolt mode, so that the V-shaped frame is rapid.
The device is further provided with a terminal limit protection mechanism outside each limit frame, the terminal limit protection mechanism comprises a fixed sleeve fixed on the screw rod and a rotating sleeve in friction fit with the fixed sleeve, a limit rod is arranged on the mounting roller in a radial sliding way, the device is characterized by further comprising a blocking structure for blocking the limiting rod from moving outwards, a plurality of arc-shaped protrusions are uniformly distributed and fixed on the rotating sleeve, limiting blocks are fixed in the mounting roller, and when one side of each arc-shaped protrusion abuts against each limiting block, the bottom of each limiting rod abuts against the top of each arc-shaped protrusion; when the other side of the arc-shaped bulge is abutted against the limiting block, the bottom of the limiting rod is abutted against the rotating sleeve.
The device is safer through the terminal limit protection mechanism, but the screw rod is rotated, the fixed sleeve and the screw rod rotate together, and because the friction force between the rotating sleeve and the fixed sleeve is large, the rotating sleeve rotates together with the fixed sleeve, and the arc-shaped bulge on the rotating sleeve pushes the limit rod upwards to limit the limit frame in the rotating process, when the arc-shaped bulge abuts against the limit block, the rotating sleeve cannot rotate, and the fixed sleeve overcomes the friction force between the rotating sleeve and rotates by itself.
Further, the blocking structure comprises a rotating sleeve made of magnetic materials, the arc-shaped protruding materials are consistent with the rotating sleeve, and the limiting rod and the fixing sleeve are made of iron materials.
The fixed sleeve and the rotating sleeve are magnetically connected to realize friction running fit, and the limiting rod cannot fall off due to the magnetic attraction of the rotating sleeve to the limiting rod.
Further set up, the stopper sets up a plurality ofly, sets up with arc bellying one-to-one.
Further, the inner arc-shaped part and the outer arc-shaped part are integrally formed through the connecting part.
The limiting frame is further arranged, and two limiting frames are symmetrically arranged by taking the axis of the installation roller as the symmetry center.
Further, a handle is fixed at one end of the screw extending out of the installation roller.
In summary, the invention has the following beneficial effects: the steel strip discharging device can be suitable for steel coils with different inner diameters, and is safe and reliable.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic illustration of the attachment of the mounting roller to the screw;
FIG. 3 is a schematic view of a stop block;
FIG. 4 is a schematic view of a support structure;
FIG. 5 is a schematic view of the positions of the stop lever and stop frame;
FIG. 6 is a schematic view of the stop lever after being ejected;
fig. 7 is a schematic view of the stop lever after retraction.
Reference numerals: 1. a mounting roller; 11. a through groove; 12. a mounting groove; 13. a limiting block; 2. a sliding body; 21. a slide block; 22. a mounting block; 3. a screw; 31. a handle; 41. a first link; 42. a second link; 43. a support link; 44. an arc-shaped supporting plate; 45. a first rotating shaft; 46. a second rotating shaft; 5. a limiting frame; 51. an inner arc portion; 52. an outer arc portion; 53. a V-shaped frame; 54. a connection part; 6. a plug pin; 71. a fixed sleeve; 72. a rotating sleeve; 73. a limit rod; 74. arc-shaped protrusions.
Detailed Description
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
The utility model provides a steel band blowing device of punching machine, includes installation roller 1, a plurality of bearing structures of following installation roller 1 circumference evenly distributed, sets up four bearing structures in this embodiment. Through grooves 11 are formed in the mounting roller 1, a plurality of mounting grooves 12 are uniformly distributed on the side wall of the mounting roller 1, the mounting grooves 12 are communicated with the through grooves 11, the mounting grooves 12 and the through grooves 11 axially extend along the mounting roller 1, and the length of the through grooves 11 is smaller than that of the mounting grooves 12.
A sliding body 2 is arranged in the through groove 11, the sliding body 2 comprises a sliding block 21 and mounting blocks 22 fixed on the side surface of the sliding block 21, each mounting groove 12 corresponds to two mounting blocks 22, and the two mounting blocks 22 are abutted with the inner wall of the mounting groove 12; the installation roller 1 is rotatably connected with a screw rod 3, the screw rod 3 penetrates through the sliding block 21 to be in threaded connection with the sliding block 21, and a handle 31 is fixed at one end of the screw rod 3 extending out of the installation roller 1.
The support structure comprises a first connecting rod 41, a second connecting rod 42, a support connecting rod 43 and an arc-shaped support plate 44, one end of the first connecting rod 41 is rotatably connected in the mounting groove 12, a first rotating shaft 45 is fixed at the other end, and the first rotating shaft 45 is inserted into the arc-shaped support plate 44 and rotatably connected with the arc-shaped support plate 44; one end of the second connecting rod 42 is rotatably connected in the mounting groove 12, the other end is fixed with a second rotating shaft 46, the second rotating shaft 46 is inserted into the arc-shaped supporting plate 44 to be rotatably connected with the same, one end of the supporting connecting rod 43 is rotatably connected with the mounting block 22, and the other end is rotatably connected with the middle part of the second connecting rod 42.
The arc-shaped supporting plate 44 is sleeved with limiting frames 5, the limiting frames 5 are symmetrically arranged by taking the axial lead of the installation roller 1 as a symmetrical center, each limiting frame 5 comprises an inner arc-shaped part 51, an outer arc-shaped part 52 and a V-shaped frame 53, the inner arc-shaped part 51 is abutted against the inner surface of the arc-shaped supporting plate 44, the outer arc-shaped part 52 is fixed with the inner arc-shaped part 51 and abutted against the outer surface of the arc-shaped supporting plate 44, the V-shaped frame 53 is fixed on the outer arc-shaped part 52, and the inner arc-shaped part 51 and the outer arc-shaped part 52 are integrally formed through the connecting part 54. The tip of the V-shaped frame 53 faces outward, the outer arc 52 is inserted with a pin 6, and the pin 6 is inserted into the arc-shaped support plate 44 to magnetically connect with the arc-shaped support plate 44.
Each limiting frame 5 is provided with a terminal limiting protection mechanism, each terminal limiting protection mechanism comprises a fixed sleeve 71 fixed on a screw rod 3 and a rotating sleeve 72 in friction fit rotation with the fixed sleeve 71, a limiting rod 73 is arranged on the installation roller 1 in a radial sliding mode, a blocking structure for blocking the limiting rod 73 from moving outwards is further arranged, a plurality of arc-shaped protrusions 74 are uniformly distributed and fixed on the rotating sleeve 72, the arc-shaped protrusions 74 and the rotating sleeve 72 are integrally formed, a limiting block 13 is fixed in the installation roller 1, the limiting block 13 is arranged in a plurality of, specifically four, and the limiting blocks are arranged in one-to-one correspondence with the arc-shaped protrusions 74. When one side of the arc-shaped protrusion 74 abuts against the limiting block 13, the bottom of the limiting rod 73 abuts against the top of the arc-shaped protrusion 74; when the other side of the arc-shaped protrusion 74 abuts against the stopper 13, the bottom of the stopper rod 73 abuts against the rotation sleeve 72. The blocking structure comprises a rotating sleeve 72 made of magnetic materials, the arc-shaped protrusions 74 are made of materials consistent with those of the rotating sleeve 72, and the limiting rod 73 and the fixing sleeve 71 are made of iron materials.
Claims (6)
1. A steel band blowing device of punching machine, its characterized in that: the device comprises a mounting roller and a plurality of supporting structures uniformly distributed along the circumferential direction of the mounting roller, wherein through grooves are formed in the mounting roller, a plurality of mounting grooves are uniformly distributed on the side wall of the mounting roller, the mounting grooves are communicated with the through grooves, the mounting grooves and the through grooves extend along the axial direction of the mounting roller, and the length of the through grooves is smaller than that of the mounting grooves; a sliding body is arranged in the through groove, and comprises a sliding block and mounting blocks fixed on the side face of the sliding block, each mounting groove corresponds to two mounting blocks, and the two mounting blocks are abutted with the inner wall of the mounting groove; the installation roller is rotationally connected with a screw rod, and the screw rod penetrates through the sliding block and is in threaded connection with the sliding block; the supporting structure comprises a first connecting rod, a second connecting rod, a supporting connecting rod and an arc-shaped supporting plate, one end of the first connecting rod is rotatably connected in the mounting groove, a first rotating shaft is fixed at the other end of the first connecting rod, and the first rotating shaft is inserted into the arc-shaped supporting plate and is rotatably connected with the arc-shaped supporting plate; one end of the second connecting rod is rotationally connected in the mounting groove, the other end of the second connecting rod is fixedly provided with a second rotating shaft, the second rotating shaft is inserted into the arc-shaped supporting plate to be rotationally connected with the arc-shaped supporting plate, one end of the supporting connecting rod is rotationally connected with the mounting block, and the other end of the supporting connecting rod is rotationally connected with the middle part of the second connecting rod; the limiting frames are sleeved on the arc-shaped supporting plates and comprise inner arc-shaped parts which are abutted against the inner surfaces of the arc-shaped supporting plates, outer arc-shaped parts which are fixed with the inner arc-shaped parts and are abutted against the outer surfaces of the arc-shaped supporting plates, V-shaped frames which are fixed on the outer arc-shaped parts, the tips of the V-shaped frames face outwards, a bolt is inserted into the outer arc-shaped parts, the bolt is inserted into the arc-shaped supporting plates and is magnetically connected with the arc-shaped supporting plates, each limiting frame is externally provided with a terminal limiting protection mechanism, each terminal limiting protection mechanism comprises a fixed sleeve fixed on a screw rod and a rotating sleeve which is in friction fit with the fixed sleeve, limiting rods are radially arranged on the mounting rollers in a sliding mode, a blocking structure which blocks the limiting rods from moving outwards is also arranged on the rotating sleeve, limiting blocks are fixedly arranged in the mounting rollers, and the bottoms of the limiting rods are abutted against the tops of the arc-shaped protrusions when one sides of the arc-shaped protrusions are abutted against the limiting blocks; when the other side of the arc-shaped bulge is abutted against the limiting block, the bottom of the limiting rod is abutted against the rotating sleeve.
2. The steel strip discharging device of a press machine according to claim 1, wherein: the blocking structure comprises a rotating sleeve made of magnetic materials, the arc-shaped protruding materials are consistent with the materials of the rotating sleeve, and the limiting rod and the fixing sleeve are made of iron materials.
3. The steel strip discharging device of a press machine according to claim 1, wherein: the limiting blocks are arranged in a plurality and are arranged in one-to-one correspondence with the arc-shaped protruding portions.
4. The steel strip discharging device of a press machine according to claim 1, wherein: the inner arc-shaped part and the outer arc-shaped part are integrally formed through the connecting part.
5. The steel strip discharging device of a press machine according to claim 1, wherein: the limiting frames are symmetrically arranged with the axis of the installation roller as the symmetry center.
6. The steel strip discharging device of a press machine according to claim 1, wherein: one end of the screw rod extending out of the installation roller is fixed with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111211853.6A CN113909394B (en) | 2021-10-18 | 2021-10-18 | Steel belt discharging device of punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111211853.6A CN113909394B (en) | 2021-10-18 | 2021-10-18 | Steel belt discharging device of punching machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113909394A CN113909394A (en) | 2022-01-11 |
| CN113909394B true CN113909394B (en) | 2023-11-14 |
Family
ID=79241400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111211853.6A Active CN113909394B (en) | 2021-10-18 | 2021-10-18 | Steel belt discharging device of punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113909394B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555443B (en) * | 2022-09-23 | 2023-10-20 | 江苏氟豪防腐科技有限公司 | Environment-friendly steel lining tetrafluoro elbow processing device |
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| CN206104581U (en) * | 2016-08-13 | 2017-04-19 | 深圳雅致钢结构工程有限公司 | Steel sheet decoiler |
| CN208390690U (en) * | 2018-07-18 | 2019-01-18 | 常州铸越机械有限公司 | A kind of uncoiler coiled strip discharging frame |
| CN209052130U (en) * | 2018-09-15 | 2019-07-02 | 昌荣电机（深圳）有限公司 | A kind of steel band unwinding device |
| DE212020000162U1 (en) * | 2020-09-01 | 2020-09-30 | Taicang Jinghong Intelligent Technology Co., Ltd | Steel tape winding device with adjustable distance |
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| WO2021134391A1 (en) * | 2019-12-31 | 2021-07-08 | 江苏亚威机床股份有限公司 | Heavy-duty uncoiling machine reel having large expanding/contracting diameter |
| CN214147617U (en) * | 2020-12-16 | 2021-09-07 | 漳州立达信光电子科技有限公司 | Down lamp easy to assemble |
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| CN214348731U (en) * | 2021-01-15 | 2021-10-08 | 长春红忠钢材加工有限公司 | Steel coil feeding machine for small inner diameter |
| CN113478245A (en) * | 2021-06-02 | 2021-10-08 | 吴玮佳 | Sliding seat capable of automatically cleaning and improving numerical control gantry milling efficiency |
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| US6691544B2 (en) * | 2001-08-10 | 2004-02-17 | U.S. Properties, Inc. | Method and apparatus to uncoil and dekink coiled material |
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2021
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| GB825727A (en) * | 1956-09-28 | 1959-12-23 | Schloemann Ag | Drum for the winding-on and winding-off of cold rolled bands |
| CN203091582U (en) * | 2012-12-26 | 2013-07-31 | 三弘重工科技有限公司 | Transformer silicon steel sheet punching and feeding device |
| CN206104581U (en) * | 2016-08-13 | 2017-04-19 | 深圳雅致钢结构工程有限公司 | Steel sheet decoiler |
| CN208390690U (en) * | 2018-07-18 | 2019-01-18 | 常州铸越机械有限公司 | A kind of uncoiler coiled strip discharging frame |
| CN209052130U (en) * | 2018-09-15 | 2019-07-02 | 昌荣电机（深圳）有限公司 | A kind of steel band unwinding device |
| WO2021134391A1 (en) * | 2019-12-31 | 2021-07-08 | 江苏亚威机床股份有限公司 | Heavy-duty uncoiling machine reel having large expanding/contracting diameter |
| CN212976332U (en) * | 2020-08-19 | 2021-04-16 | 天津市科达伟业制冷配件有限公司 | Coiled material unwinding device of punching machine |
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| CN214348731U (en) * | 2021-01-15 | 2021-10-08 | 长春红忠钢材加工有限公司 | Steel coil feeding machine for small inner diameter |
| CN113478245A (en) * | 2021-06-02 | 2021-10-08 | 吴玮佳 | Sliding seat capable of automatically cleaning and improving numerical control gantry milling efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113909394A (en) | 2022-01-11 |
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