CN108147226B - Tensioning type aluminum rod coiled material fixing device - Google Patents
Tensioning type aluminum rod coiled material fixing device Download PDFInfo
- Publication number
- CN108147226B CN108147226B CN201810129732.9A CN201810129732A CN108147226B CN 108147226 B CN108147226 B CN 108147226B CN 201810129732 A CN201810129732 A CN 201810129732A CN 108147226 B CN108147226 B CN 108147226B
- Authority
- CN
- China
- Prior art keywords
- sliding
- supporting sleeve
- tensioning
- aluminum rod
- sleeve
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 50
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 10
- 210000003128 head Anatomy 0.000 description 8
- 238000010030 laminating Methods 0.000 description 7
- 239000002313 adhesive film Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000002489 tectorial membrane Anatomy 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/248—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by actuator movable in axial direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
The invention relates to a tensioning type aluminum rod coiled material fixing device which comprises a sliding sleeve and a supporting sleeve, wherein one end of the sliding sleeve is connected with one end of the supporting sleeve, a knob which rotates around the sliding sleeve is sleeved on the supporting sleeve, a first through hole which penetrates left and right is arranged in the center of the sliding sleeve, a second through hole which penetrates left and right is arranged in the center of the supporting sleeve, the first through hole and the second through hole are coaxially arranged to form a sliding channel of an aluminum rod, a plurality of tensioning holes which penetrate inside and outside are uniformly distributed on the side wall of the sliding sleeve along the circumferential direction, a bottom bracket which extends towards the supporting sleeve is connected to the lower part in the tensioning hole far away from one end of the supporting sleeve, and a sliding tensioning piece is arranged between the sliding sleeve and the supporting sleeve.
Description
Technical Field
The invention relates to coiled material installation equipment of a laminating machine, in particular to a tensioning type aluminum rod coiled material fixing device.
Background
At present, the current electronic laminating machine is usually by picture roll up installation axle, the adhesive film installation axle, go up the rubber roll, lower rubber roll and finished product picture take in axle etc. constitute, the picture roll up suit that will not cover the membrane is on picture roll up installation axle, with membrane roll up suit on adhesive film installation axle, glue the adhesive film through last rubber roll and cover on the picture, picture after the tectorial membrane is taken in from finished product picture take in the axle, picture roll up installation axle, adhesive film installation axle and finished product picture take in the axle and be the aluminium pole, the coiled material all need be adorned on the aluminium pole, both need can like relative slip, the ease of installation, after the installation is accomplished, need fix the coiled material, carry out rotatory tectorial membrane, current method is usually set up a rubber strip in recess cooperation recess on the aluminium pole, through rotatory back frictional force drive rubber strip roll off recess, compress tightly the coiled material, this kind of fixed mode often can appear the condition that the rubber strip breaks away from the coiled material inner wall, lead to the slip, unable fine fixed coiled material, the final tectorial membrane effect has been greatly influenced, and this kind of coiled material fixed aperture adaptation is different, therefore it is indispensable to improve at the coiled material and innovation.
Disclosure of Invention
Aiming at the situation, the invention aims to overcome the defects of the prior art and provide a tensioning type aluminum rod coiled material fixing device which can effectively solve the problems of installation and fixation of an aluminum rod and a coiled material of a laminating machine.
The technical scheme of the invention is that the tension type aluminum rod coiled material fixing device comprises a sliding sleeve and a supporting sleeve, one end of the sliding sleeve is connected with one end of the supporting sleeve, a knob which rotates around the knob is sleeved on the supporting sleeve, a first through hole which penetrates left and right is arranged in the center of the sliding sleeve, a second through hole which penetrates left and right is arranged in the center of the supporting sleeve, the first through hole and the second through hole are coaxially arranged to form a sliding channel of an aluminum rod, a plurality of tension holes which penetrate inside and outside are uniformly distributed on the side wall of the sliding sleeve along the circumferential direction, a collet which extends towards the direction of the supporting sleeve is connected to the lower part in the tension hole far away from one end of the supporting sleeve, a bottom guide surface which is outwards inclined towards the direction of the supporting sleeve is arranged on the outer side of the collet, a sliding tension piece is arranged between the sliding sleeve and the supporting sleeve, the sliding tension piece is an integrated structure which is composed of a sliding tension chuck which is positioned in the tension hole and a guide driving block which is positioned in the supporting sleeve, the sliding tension chuck is positioned right above the collet, the inner side of the sliding tension chuck is provided with a top guide surface which is outwards inclined towards the direction of the supporting sleeve, the inner side guide surface which is tightly clings to the bottom guide surface along the direction of the supporting sleeve, the first screw thread is arranged on the outer side of the first screw thread, and the sliding sleeve is arranged along the first screw thread, and the sliding guide surface is meshed with the first screw thread is arranged on the outer side of the knob, and the sliding screw thread is arranged.
The end face of one end of the sliding sleeve connected with the supporting sleeve is provided with a plurality of first bolt holes uniformly distributed along the circumferential direction, the supporting sleeve is provided with a second bolt hole coaxial with the first bolt hole, and the sliding sleeve is connected with the supporting sleeve through a connecting bolt penetrating through the second bolt hole and the first bolt hole.
The sliding tensioning pieces are equal in number and correspond to the connecting bolts one by one, the guide driving blocks are provided with guide limit grooves corresponding to the connecting bolts or the second bolt holes, and the hole walls of the connecting bolts or the second bolt holes extending into the supporting sleeve part are located in the guide limit grooves.
The aluminum rod is arranged in the sliding channel formed by the first perforation and the second perforation in a penetrating way, a coiled material is sleeved on the aluminum rod, the coiled material is positioned on the outer side of the supporting sleeve, the rotary knob is rotated, the sliding tensioning piece slides towards the direction of the supporting sleeve, the sliding tensioning clamping head slides upwards along the bottom guide surface on the collet, finally the sliding tensioning clamping head extends outwards to press the fixed coiled material, meanwhile, the collet extends inwards to press the fixed aluminum rod, and a dual fixing structure of the aluminum rod and the coiled material is formed.
The invention has novel and unique structure, is simple and reasonable, is easy to produce, has low cost and is easy to operate, the knob drives the sliding tension piece to slide back and forth, thereby driving the sliding tension clamping head to slide upwards along the bottom guide surface on the collet, finally enabling the sliding tension clamping head to extend outwards to compress and fix the coiled material, and simultaneously enabling the collet to extend inwards to compress and fix the aluminum rod, thereby fixing the coiled material and the aluminum rod, ensuring normal use of the coiled material, and when the coiled material needs to be replaced, the knob is rotated reversely, the disassembly and the assembly are convenient, the fixation is firm, the laminating process is more stable, the laminating efficiency and laminating quality are improved, the use is convenient, and the effect is good, and is an innovation on the aluminum rod and the coiled material fixing device of the laminating machine.
Drawings
Figures 1-3 are perspective views of the invention at three different angles.
Fig. 4 is a side view of the present invention.
Fig. 5 is a cross-sectional view of a sliding sleeve of the present invention.
Fig. 6 is a cross-sectional view of a support sleeve of the present invention.
Fig. 7 is a schematic cross-sectional view of the assembled sliding sleeve and supporting sleeve of the present invention (without the sliding tension member).
Fig. 8 is a perspective view of a sliding tensioner of the present invention.
FIG. 9 is a cross-sectional view of a sliding tensioner of the present invention.
FIG. 10 is a top view of a sliding tensioner of the present invention.
FIG. 11 is an enlarged partial cross-sectional view of the sliding tensioner of the present invention.
Fig. 12 is a sectional view of the present invention in a use state (a sliding tension member release state).
Fig. 13 is a sectional view of the present invention in a use state (a sliding tension member tension state).
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The invention is given by fig. 1-13, the invention includes sliding sleeve 3 and supporting sleeve 5, one end of sliding sleeve 3 links to each other with one end of supporting sleeve 5, the cover is equipped with around its rotatory knob 6 on the supporting sleeve 5, sliding sleeve 3 center is provided with the first perforation 31 of lining up from side to side, supporting sleeve 5 center is provided with the second perforation 51 of lining up from side to side, first perforation 31 and second perforation 51 coaxial arrangement, constitute the slip passageway of aluminium pole, the lateral wall of sliding sleeve 3 equipartition along circumference has a plurality of inside and outside tight holes 32 that link up, the collet 7 that stretches out towards supporting sleeve direction is connected with in the lower part in the tight hole 32 that rises far away from one end of supporting sleeve 5, the collet 7 outside is provided with the bottom guide surface 71 that leans out towards supporting sleeve direction, be provided with the slip tight piece 4 between sliding sleeve 3 and the supporting sleeve 5, slip tight piece 4 is provided with between sliding sleeve 4, slip tight chuck 41 and the guide drive piece 42 that is located in supporting sleeve 5 constitute the body structure, slip tight chuck 41 is located directly over collet 7, the inboard is provided with the tight face of slip tight chuck 41, the inside of slip tight chuck 41 is provided with the tight face of guide surface 412 towards supporting sleeve direction, the top guide surface 412 is provided with the outside the screw thread of slip tight face of top is formed with the outside the knob of the screw thread of the outside, the screw thread is rotated towards the outside, the top is provided with the top guide surface of the top is driven towards the top of supporting sleeve 5, the screw thread is screwed down tightly.
In order to ensure the use effect, the end face of one end of the sliding sleeve 3 connected with the supporting sleeve 5 is provided with a plurality of first bolt holes 33 uniformly distributed along the circumferential direction, the supporting sleeve 5 is provided with second bolt holes 52 coaxial with the first bolt holes, and the sliding sleeve 3 and the supporting sleeve 5 are connected together through connecting bolts 8 penetrating through the second bolt holes 52 and the first bolt holes 33; the sliding tensioning pieces 4 are equal in number and in one-to-one correspondence with the connecting bolts 8, the guide driving blocks 42 are provided with guide limit grooves 422 corresponding to the connecting bolts 8 or the second bolt holes 52, the hole walls of the connecting bolts or the second bolt holes extending into the supporting sleeve 5 are located in the guide limit grooves, and the hole walls of the connecting bolts or the second bolt holes are located in the guide limit grooves, so that the sliding tensioning pieces cannot rotate along the circumferential direction relative to the supporting sleeve or the sliding sleeve, and when the knob is screwed, the sliding tensioning pieces slide forwards and backwards along the axial direction of the sliding sleeve under the action of the first threads and the second threads to form a limit guide structure of the guide driving block.
The outer side surface of the sliding tensioning clamping head 41 is provided with an anti-skidding convex line 411, and after the sliding tensioning clamping head bulges outwards to press the coiled material, the anti-skidding convex line is tightly attached to the inner wall of the coiled material, so that sliding is effectively prevented.
The aluminum rod 1 is arranged in the sliding channel formed by the first through hole 31 and the second through hole 51 in a penetrating way, the coiled material 2 is sleeved on the aluminum rod, the coiled material 2 is positioned on the outer side of the supporting sleeve 5, the knob is rotated, the sliding tensioning piece slides towards the direction of the supporting sleeve, the sliding tensioning clamping head 41 slides upwards along the bottom guide surface 71 on the collet, finally the sliding tensioning clamping head extends outwards to press and fix the coiled material, meanwhile, the collet 7 extends inwards to press and fix the aluminum rod, and a double fixing structure of the aluminum rod and the coiled material is formed.
The tensioning type aluminum rod coiled material fixing devices are 2, are respectively sleeved at two ends of the aluminum rod, and are outwards arranged at one end where the knob is located.
The aluminum rod is characterized in that a limiting chute 11 is arranged on the outer wall of the aluminum rod 1, a protruding part 53 corresponding to the limiting chute 11 is arranged on the inner side of the supporting sleeve 5, the protruding part 53 is arranged in the limiting chute 11, and a wire structure for axially sliding the aluminum rod along a sliding channel formed by the first perforation and the second perforation is formed, so that the aluminum rod does not rotate relatively in the sliding process and is kept stable.
The sliding sleeve 3 and the supporting sleeve 5 are provided with a limiting seat 9 for installing the knob 6, so that the knob can rotate on the limiting seat 9 but does not move along the axial direction of the sliding sleeve.
When the tension type aluminum rod coiled material fixing device is used, firstly, the tension type aluminum rod coiled material fixing device is sleeved at two ends of an aluminum rod, then coiled materials are sleeved on the outer side of a sliding sleeve, at the moment, the sliding tension piece is in an unclamped state (shown in fig. 12), namely, the tension type aluminum rod coiled material fixing device can slide forwards and backwards along the axial direction of the aluminum rod, the coiled materials can slide forwards and backwards at any time, after being installed in place, the rotary knob is rotated, as the hole walls of the connecting bolts or the second bolt holes are positioned in the guiding limit grooves of the guiding driving blocks, the sliding tension piece cannot rotate along the circumferential direction relative to the supporting sleeve or the sliding sleeve, when the rotary knob is rotated, under the action of the first threads and the second threads, the sliding tension piece can slide forwards and backwards only along the axial direction of the sliding sleeve, in the sliding process, and finally, the sliding tension clamp outwards extends to compress and fix the coiled materials, and simultaneously the bottom support 7 inwards extends to compress the aluminum rod, so that the dual fixing structure of the aluminum rod and the coiled materials is formed.
Claims (6)
1. A tensioning aluminum rod coiled material fixing device is characterized by comprising a sliding sleeve (3) and a supporting sleeve (5), wherein one end of the sliding sleeve (3) is connected with one end of the supporting sleeve (5), a knob (6) rotating around the knob is sleeved on the supporting sleeve (5), a first through hole (31) which penetrates left and right is arranged at the center of the sliding sleeve (3), a second through hole (51) which penetrates left and right is arranged at the center of the supporting sleeve (5), the first through hole (31) and the second through hole (51) are coaxially arranged to form a sliding channel of an aluminum rod, a plurality of tensioning holes (32) which penetrate inside and outside are uniformly distributed on the side wall of the sliding sleeve (3) along the circumferential direction, a bottom bracket (7) which stretches out towards the direction of the supporting sleeve is connected to the lower part in the tensioning holes (32) at one end of the supporting sleeve, a bottom guide surface (71) which inclines outwards towards the direction of the supporting sleeve is arranged at the outer side of the bottom bracket (7), a sliding tensioning piece (4) is arranged between the sliding sleeve (3) and the supporting sleeve (5), the sliding tensioning piece (4) is a sliding block (41) which is positioned in the tensioning hole (32) and the sliding block (412) which stretches inwards and is positioned in the direction of the supporting sleeve (41) which is arranged towards the inner side of the supporting sleeve (41), the top guide surface (412) is tightly attached to the bottom guide surface (71), a first thread (421) is arranged on the outer side surface of the guide driving block (42), a second thread (61) meshed with the first thread is arranged on the inner side surface of the knob (6), the knob is rotated, and the sliding tensioning piece slides forwards and backwards along the sliding sleeve shaft to form a sliding driving structure of the sliding tensioning piece;
an aluminum rod (1) is arranged in a sliding channel formed by the first perforation (31) and the second perforation (51) in a penetrating way, a coiled material (2) is sleeved on the aluminum rod, the coiled material (2) is positioned at the outer side of a supporting sleeve (5), a knob is rotated to enable a sliding tensioning piece to slide towards the direction of the supporting sleeve, a sliding tensioning clamping head (41) slides upwards along a bottom guide surface (71) on a bottom bracket, and finally the sliding tensioning clamping head extends outwards to press and fix the coiled material, and meanwhile, the bottom bracket (7) extends inwards to press and fix the aluminum rod, so that a double fixing structure of the aluminum rod and the coiled material is formed;
the aluminum rod is characterized in that a limiting chute (11) is arranged on the outer wall of the aluminum rod (1), a protruding portion (53) corresponding to the limiting chute (11) is arranged on the inner side of the supporting sleeve (5), and the protruding portion (53) is arranged in the limiting chute (11) to form a lead structure that the aluminum rod axially slides along a sliding channel formed by the first perforation and the second perforation.
2. The tensioning type aluminum rod coiled material fixing device according to claim 1, wherein a plurality of first bolt holes (33) are uniformly distributed along the circumferential direction on the end face of one end, connected with the supporting sleeve (5), of the sliding sleeve (3), second bolt holes (52) coaxial with the first bolt holes are formed in the supporting sleeve (5), and the sliding sleeve (3) is connected with the supporting sleeve (5) through connecting bolts (8) penetrating through the second bolt holes (52) and the first bolt holes (33).
3. The tensioning aluminum rod coiled material fixing device according to claim 2, wherein the sliding tensioning pieces (4) are equal in number and correspond to the connecting bolts (8) one by one, guide limiting grooves (422) corresponding to the connecting bolts (8) or the second bolt holes (52) are formed in the guide driving blocks (42), and the hole walls of the connecting bolts or the second bolt holes extending into the supporting sleeve (5) are located in the guide limiting grooves.
4. The tensioning type aluminum rod coiled material fixing device according to claim 2, wherein an anti-slip convex line (411) is arranged on the outer side face of the sliding tensioning clamp head (41).
5. The tensioning type aluminum rod coiled material fixing device according to claim 1, wherein the number of the tensioning type aluminum rod coiled material fixing devices is 2, the tensioning type aluminum rod coiled material fixing device is respectively sleeved at two ends of an aluminum rod, and one end where a knob is arranged outwards.
6. The tensioning type aluminum rod coiled material fixing device according to claim 1, wherein limiting seats (9) for installing a knob (6) are arranged on the sliding sleeve (3) and the supporting sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129732.9A CN108147226B (en) | 2018-02-08 | 2018-02-08 | Tensioning type aluminum rod coiled material fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129732.9A CN108147226B (en) | 2018-02-08 | 2018-02-08 | Tensioning type aluminum rod coiled material fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108147226A CN108147226A (en) | 2018-06-12 |
| CN108147226B true CN108147226B (en) | 2024-01-30 |
Family
ID=62457037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129732.9A Active CN108147226B (en) | 2018-02-08 | 2018-02-08 | Tensioning type aluminum rod coiled material fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108147226B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109051968A (en) * | 2018-09-18 | 2018-12-21 | 天津广大纸业股份有限公司 | A kind of electrocardiograph paper Waste edge collecting device |
| CN110844661B (en) * | 2019-11-19 | 2021-08-17 | 广州潮越机械设备有限公司 | Label rewinding machine running at uniform speed |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079188A (en) * | 1965-06-30 | 1967-08-16 | Berta Kampf | Winding shafts |
| DE7331865U (en) * | 1973-09-01 | 1977-09-22 | Vorwald Kg, Maschinenbau, 4501 Hankenberge | DEVICE FOR STORING REEL REELS |
| SU1678732A1 (en) * | 1989-10-16 | 1991-09-23 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт По Проектированию Оборудования Для Целлюлозно-Бумажной Промышленности | Reeling shaft |
| KR100893719B1 (en) * | 2008-07-22 | 2009-04-17 | 이명진 | Air shaft |
| CN202219995U (en) * | 2011-07-07 | 2012-05-16 | 安庆市恒昌机械制造有限责任公司 | Wedge block type unreeling material shaft for production line of disposable hygienic products |
| CN203751732U (en) * | 2014-03-18 | 2014-08-06 | 中联重科股份有限公司 | Hole positioning and tensioning device |
| CN206273771U (en) * | 2016-11-28 | 2017-06-23 | 安徽工程大学 | A kind of mechanical swelled brake apparatus |
| CN207844751U (en) * | 2018-02-08 | 2018-09-11 | 河南英凯科技发展有限公司 | A kind of swelled aluminium bar coil positioner |
-
2018
- 2018-02-08 CN CN201810129732.9A patent/CN108147226B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079188A (en) * | 1965-06-30 | 1967-08-16 | Berta Kampf | Winding shafts |
| DE7331865U (en) * | 1973-09-01 | 1977-09-22 | Vorwald Kg, Maschinenbau, 4501 Hankenberge | DEVICE FOR STORING REEL REELS |
| SU1678732A1 (en) * | 1989-10-16 | 1991-09-23 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт По Проектированию Оборудования Для Целлюлозно-Бумажной Промышленности | Reeling shaft |
| KR100893719B1 (en) * | 2008-07-22 | 2009-04-17 | 이명진 | Air shaft |
| CN202219995U (en) * | 2011-07-07 | 2012-05-16 | 安庆市恒昌机械制造有限责任公司 | Wedge block type unreeling material shaft for production line of disposable hygienic products |
| CN203751732U (en) * | 2014-03-18 | 2014-08-06 | 中联重科股份有限公司 | Hole positioning and tensioning device |
| CN206273771U (en) * | 2016-11-28 | 2017-06-23 | 安徽工程大学 | A kind of mechanical swelled brake apparatus |
| CN207844751U (en) * | 2018-02-08 | 2018-09-11 | 河南英凯科技发展有限公司 | A kind of swelled aluminium bar coil positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108147226A (en) | 2018-06-12 |
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