CN111056351A - Cloth unwinding and storing mechanism of laminating machine and using method thereof - Google Patents
Cloth unwinding and storing mechanism of laminating machine and using method thereof Download PDFInfo
- Publication number
- CN111056351A CN111056351A CN201911425428.XA CN201911425428A CN111056351A CN 111056351 A CN111056351 A CN 111056351A CN 201911425428 A CN201911425428 A CN 201911425428A CN 111056351 A CN111056351 A CN 111056351A
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- Prior art keywords
- lifting plate
- wheel roller
- base cloth
- base
- roller
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- 239000004744 fabric Substances 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010030 laminating Methods 0.000 title claims description 5
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000013329 compounding Methods 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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
- B65H20/00—Advancing webs
- B65H20/30—Arrangements for accumulating surplus web
- B65H20/32—Arrangements for accumulating surplus web by making loops
- B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to an unwinding and cloth storage mechanism of a laminator, which comprises a rack, wherein the rack comprises two vertical and symmetrical supports and a base, wherein the base is arranged at the bottom of each support and used for supporting the supports; a plurality of fixed wheel rollers are horizontally and rotatably arranged between the two bottom plates; the plurality of movable wheel rollers are horizontally arranged, and each movable wheel roller is positioned right above the gap between every two fixed wheel rollers; the two ends of the plurality of movable wheel rollers are rotatably arranged on the lifting plate; the driving mechanism drives the lifting plate to lift along the height direction of the bracket; the base cloth passes through a fixed wheel roller on the outer side of the base, is sequentially wound on the movable wheel roller and the fixed wheel roller, and is led out through the fixed wheel roller on the other side of the base; the base cloth is sequentially wound on the movable wheel roller and the fixed wheel roller, the lifting plate drives the movable wheel roller to ascend, the base cloth is stored, the lifting plate drives the movable wheel roller to descend, the base cloth is unreeled, in the process, the linear speed of the unreeling position is smaller than that of the compounding position, and reel changing is achieved under the condition that the rolling machine does not decelerate.
Description
Technical Field
The patent relates to a store up cloth mechanism, specifically is a coating machine unreels and stores up cloth mechanism.
Background
In normal production of the film laminating process, base cloth of a working station and a preparation station needs to be bonded by double faced adhesive tapes without stopping, and the base cloth is firmly bonded by a pair of compression rollers to realize roll change without stopping, and generally the process needs to be realized by reducing the speed. Because the base cloth of the waiting station adhered with the base cloth is static, the higher the moving speed of the base cloth of the working station is, the higher the relative speed is, the impact force is correspondingly increased, the more easily the joint adhered by the double-sided adhesive tape is torn, and the failure of roll change is caused. However, the problem of decreasing the speed is that the peeling strength of the product is reduced, and the thickness of the laminated film is changed along with the change of the speed, thereby causing the fluctuation of the product quality. The best solution is that the reel change can be carried out under the condition of no speed reduction, the compounding speed of the existing equipment is higher and higher, the mainstream machine type reaches the speed of more than 200m/min, and the reel change without speed reduction is realized on the premise of high speed, so that the impact force is too large to realize.
In conclusion, how to realize the non-deceleration roll change of the film coating machine becomes a problem which needs to be solved urgently by researchers of the company.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to realize the non-deceleration roll change of the film coating machine;
in order to realize the technical problem, the invention adopts the following technical scheme:
the invention relates to an unwinding and cloth storage mechanism of a laminator, which comprises a rack, wherein the rack comprises two vertical and symmetrical supports and a base, wherein the base is arranged at the bottom of each support and used for supporting the supports; the fixed wheel rollers are horizontally and rotatably arranged between the two bottom plates; the movable wheel rollers are horizontally arranged, and each movable wheel roller is positioned right above the gap between every two fixed wheel rollers; the two ends of the plurality of movable wheel rollers are rotatably arranged on the lifting plate; the driving mechanism drives the lifting plate to lift along the height direction of the bracket; the base cloth passes through a fixed wheel roller on the outer side of the base, is sequentially wound on a movable wheel roller and the fixed wheel roller, and is led out through the fixed wheel roller on the other side of the base;
the movable wheel rollers are positioned above the gap between every two fixed wheel rollers, so that the total number of the movable wheel rollers is one less than that of the fixed wheel rollers; the movable wheel roller is lifted by a lifting plate, and the lifting plate is lifted by a driving device; when the movable wheel rollers rise, the distance between the movable wheel rollers and the fixed wheel rollers is increased, and the base cloth wound between the movable wheel rollers and the fixed wheel rollers is correspondingly increased; when the stored cloth needs to be released, the movable wheel roller descends, the distance between the movable wheel roller and the fixed wheel roller is reduced, if the speed of a composite position is 200m/min, the wire speed of the laid-down cloth is 100m/min, the wire speed of the unreeling position is only 100m/min, the reel change is started when the speed is reduced to 100m/min, when the base cloth joint passes through the composite roller, the movable wheel roller and the fixed wheel roller just return to the same plane position of the fixed wheel group, the reel change is finished, and normal composite operation is started;
the base cloth is firstly wound around the set wheel roller and finally guided out through the fixed wheel roller, so that the base cloth at the input end and the base cloth at the output end are positioned on the same plane.
In order to prevent the lifting plate from doing linear motion in the lifting process, the invention adopts a linear guide rail which is vertically arranged on the bracket and the lifting plate, and a linear sliding bearing matched with the linear guide rail is fixed on the lifting plate;
the sliding bearing is matched with the vertically arranged linear guide rail, so that the lifting plate can only do lifting motion along the linear guide rail.
In order to reduce the clearance among the bracket, the linear guide rail and the lifting plate, the invention adopts the structure that the inner side surface of the bracket is provided with an open slot along the height direction of the bracket, and the linear guide rail is arranged in the open slot;
the linear guide rail is arranged in the open slot, so that the distance from the bracket to the linear guide rail is reduced, and the width of the whole machine is further reduced.
In order to explain the concrete structure of the driving mechanism, the driving mechanism comprises a driving shaft, the driving shaft penetrates through the tops of the two supports, and one end of the driving shaft is provided with a motor; the driving chain wheel is sleeved on the driving shaft; the directional chain wheel is rotationally arranged on the base and is positioned right below the driving chain wheel; the chain is wound on the driving chain wheel and the directional chain wheel, and one chain link of the chain is fixed with the lifting plate;
the chain is wound on the driving chain wheel and the directional chain wheel, the motor is started to drive the driving chain wheel to rotate, the rotation of the chain is realized, and a chain link on the chain is fixed with the lifting plate, so that the lifting plate is driven to lift.
When the roll change is finished, in order to enable the base cloth at the compound position and the base cloth at the rolling position to be positioned on the same plane, a plurality of notches are formed in the upper end and the lower end of a lifting plate, and the notches are vertically corresponding to fixed wheel rollers; when the fixed wheel rollers are lifted and lowered and positioned at the notches, the bottom ends of the fixed wheel rollers and the top ends of the movable wheel rollers are positioned on the same plane, and the base cloth is in a horizontal unfolding state;
due to the existence of the notch on the lifting plate, the movable roller can descend to the position, between the two fixed rollers, of the bottom end of the fixed roller and the top end of the movable roller to be in the same plane, the base cloth is in a horizontal unfolding state at the moment, and the composite position and the base cloth at the rolling position are in the same plane and the rolling speed is consistent.
The use method of the invention comprises the following steps:
s1, driving the lifting plate to ascend by the driving device, and sequentially winding the base cloth on the fixed wheel roller, the movable wheel roller and the fixed wheel roller from the unwinding end until the base cloth is led out to the composite end;
and S2, when the roll change is started, the driving device drives the lifting plate to descend, the lifting plate descending speed is a, the linear speed of the base cloth at the composite end is b, and the linear speed of the base cloth at the rolling end is c, wherein b is a + c.
And S3, when the movable wheel roller is lowered by the lifting plate until the upper end surface of the movable wheel roller is flush with the lower end surface of the fixed wheel roller, the linear speed b of the base cloth at the composite end is equal to the linear speed c of the base cloth at the winding end, and the reel change is finished.
The invention has the beneficial effects that: the invention relates to an unwinding and cloth-storing mechanism of a laminator, which realizes the cloth storage of base cloth by winding the base cloth on a movable wheel roller and a fixed wheel roller in sequence and driving the movable wheel roller to ascend through a lifting plate, realizes the unwinding of the base cloth by driving the movable wheel roller to descend through the lifting plate, and realizes the reel change under the condition that a winding machine is not decelerated because the linear speed of the unwinding part is less than that of a composite part in the process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-frame, 11-support, 12-base, 2-fixed wheel roller, 3-movable wheel roller, 4-lifting plate, 5-driving mechanism, 51-driving shaft, 52-motor, 53-driving chain wheel, 54-directional chain wheel, 6-base cloth, 7-linear guide rail, 8-linear sliding bearing, 9-open slot and 10-notch.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the invention relates to a cloth unwinding and storing mechanism of a laminator, which comprises a frame 1, wherein the frame 1 comprises two vertical and symmetrical brackets 11 and a base 12 arranged at the bottom of the brackets 11 and used for supporting the brackets 11; the fixed wheel rollers 2 are horizontally and rotatably arranged between the two bottom plates 12; the movable wheel rollers 3 are horizontally arranged, and each movable wheel roller 3 is positioned right above the gap between every two fixed wheel rollers 2; the two ends of the plurality of movable wheel rollers 3 are rotatably arranged on the lifting plate 4; the driving mechanism 5 drives the lifting plate 4 to lift along the height direction of the bracket 11; the base cloth 6 passes through the fixed wheel roller 2 on the outer side of the base, is sequentially wound on the movable wheel roller 3 and the fixed wheel roller 2, and is led out through the fixed wheel roller 2 on the other side of the base;
the movable wheel rollers 3 are positioned above the gap between every two fixed wheel rollers 2, so the total number of the movable wheel rollers 3 is one less than that of the fixed wheel rollers 2; the movable wheel roller 3 is lifted by a lifting plate 4, and the lifting plate 4 is lifted by a driving device 5; when the movable wheel roller 3 rises, the distance between the movable wheel roller 3 and the fixed wheel roller 2 is increased, and the base cloth 6 wound between the movable wheel roller 3 and the fixed wheel roller 2 is correspondingly increased; when the base cloth 6 needs to be released, the movable wheel roller 3 descends, the distance between the movable wheel roller 3 and the fixed wheel roller 2 becomes small, if the speed of a composite position is 200m/min, the linear speed of the laid lifting plate 4 is 100m/min, the linear speed of the unreeling position is only 100m/min, the reel change is started when the speed is reduced to 100m/min, when the joint of the base cloth 6 passes through the composite roller, the movable wheel roller 3 and the fixed wheel roller 2 just return to the same plane position, the reel change is finished, and normal composite operation is started;
the base cloth 6 is firstly wound around the set wheel roller 2 and finally led out through the fixed wheel roller 2, so that the base cloth 6 at the input end and the base cloth 6 at the output end are positioned on the same plane.
As shown in fig. 1, in order to prevent the lifting plate from making linear motion in the lifting process, the invention adopts a linear guide rail 7 vertically arranged on a bracket 11 and the lifting plate 4, and a linear sliding bearing 8 matched with the linear guide rail 7 is fixed on the lifting plate 4;
the lifting plate 4 can only do lifting motion along the linear guide rail 7 through the matching of the linear sliding bearing 8 and the vertically arranged linear guide rail 7.
As shown in fig. 1, in order to reduce the gap between the bracket, the linear guide rail and the lifting plate, the invention adopts the structure that the opening groove 9 is arranged on the inner side surface of the bracket 11 along the height direction of the bracket 11, and the linear guide rail 7 is arranged in the opening groove 9;
the linear guide rail 7 is arranged in the open slot 9, so that the distance from the bracket 11 to the linear guide rail 7 is reduced, and the width of the whole machine is further reduced.
As shown in fig. 1, in order to explain the specific structure of the driving mechanism, the driving mechanism 5 of the present invention includes a driving shaft 51, the driving shaft 51 penetrates the tops of the two brackets 11, and one end of the driving shaft 51 is provided with a motor 52; a driving chain wheel 53, wherein the driving chain wheel 53 is sleeved on the driving shaft 51; the directional chain wheel 54 is rotationally arranged on the base 12 and is positioned right below the driving chain wheel 53; the chain is wound on the driving chain wheel 53 and the directional chain wheel 54, and one chain link of the chain is fixed with the lifting plate 4;
the chain is wound on the driving chain wheel 53 and the directional chain wheel 51, the motor 52 is started to drive the driving chain wheel 53 to rotate, the rotation of the chain is realized, and a chain link on the chain is fixed with the lifting plate 4, so that the lifting plate 4 is driven to lift.
As shown in fig. 1, when the roll change is finished, in order to enable the base cloth at the compound position and the base cloth at the rolling position to be positioned on the same plane, the upper end and the lower end of a lifting plate 4 are provided with a plurality of notches 10, and the notches 10 are vertically corresponding to a fixed wheel roller 2; when the lifting plate 4 descends and the fixed wheel rollers 2 are positioned at the notches 10, the bottom ends of the fixed wheel rollers 2 and the top ends of the movable wheel rollers 3 are positioned on the same plane, and the base cloth 6 is in a horizontal unfolding state;
due to the existence of the notch 10 on the lifting plate 4, the movable roller 3 can descend from the gap between the two fixed rollers 2 to the position where the bottom end of the fixed roller 2 and the top end of the movable roller 3 are in the same plane, at the moment, the base cloth 6 is in a horizontal unfolding state, the composite position and the base cloth 6 at the rolling position are in the same plane, and the rolling speed is consistent.
The use method of the invention comprises the following steps:
s1, driving the lifting plate 4 to ascend by the driving device, and sequentially winding the base cloth 6 on the fixed wheel roller 2, the movable wheel roller 3 and the fixed wheel roller 2 from the unwinding end until the base cloth is led out to the composite end;
s2, when the roll change is started, the driving device 5 drives the lifting plate 4 to move down, at this time, the lifting plate 4 moves up and down at a speed a, the linear speed of the base cloth 6 at the composite end is b, and the linear speed of the base cloth 6 at the winding end is c, where b is a + c.
S3, when the movable roller 3 is lowered by the lifting plate 4 until the upper end surface of the movable roller 3 is flush with the lower end surface of the fixed roller 2, the linear speed b of the base fabric 6 at the composite end becomes equal to the linear speed c of the base fabric 6 at the winding end, and the reel change is completed.
The invention relates to an unwinding and cloth-storing mechanism of a laminator, which realizes the cloth storage of base cloth by winding the base cloth on a movable wheel roller and a fixed wheel roller in sequence and driving the movable wheel roller to ascend through a lifting plate, realizes the unwinding of the base cloth by driving the movable wheel roller to descend through the lifting plate, and realizes the reel change under the condition that a winding machine is not decelerated because the linear speed of the unwinding part is less than that of a composite part in the process.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. Laminating machine unreels and stores up cloth mechanism, its characterized in that: comprises that
The rack comprises two vertical and symmetrical brackets and a base which is arranged at the bottom of each bracket and used for supporting the brackets;
the fixed wheel rollers are horizontally and rotatably arranged between the two bottom plates;
the movable wheel rollers are horizontally arranged, and each movable wheel roller is positioned right above the gap between every two fixed wheel rollers;
the two ends of the plurality of movable wheel rollers are rotatably arranged on the lifting plate;
the driving mechanism drives the lifting plate to lift along the height direction of the bracket;
the base cloth passes through the fixed wheel roller outside the base and is wound on the movable wheel roller and the fixed wheel roller in sequence, and the fixed wheel roller on the other side of the base is led out.
2. The coating machine unreeling and storing mechanism of claim 1, characterized in that: and linear guide rails are vertically arranged on the support and the lifting plate, and linear sliding bearings matched with the linear guide rails are fixed on the lifting plate.
3. The coating machine unreeling and storing mechanism of claim 2, characterized in that: and an open slot is formed in the inner side surface of the support along the height direction of the support, and the linear guide rail is arranged in the open slot.
4. The coating machine unreeling and storing mechanism of claim 2, characterized in that: the driving mechanism comprises
The driving shaft penetrates through the tops of the two supports, and one end of the driving shaft is provided with a motor;
the driving chain wheel is sleeved on the driving shaft;
the directional chain wheel is rotatably arranged on the base and is positioned right below the driving chain wheel;
the chain is wound on the driving chain wheel and the directional chain wheel, and one chain link of the chain is fixed with the lifting plate.
5. The cloth unwinding and storing mechanism of the film laminating machine as claimed in claim 1, characterized in that: a plurality of gaps are formed at the upper end and the lower end of the lifting plate, and the gaps correspond to the fixed wheel rollers up and down;
when the fixed wheel rollers are positioned at the notches after the lifting and the descending are carried out, the bottom ends of the fixed wheel rollers and the top ends of the movable wheel rollers are positioned on the same plane, and the base cloth is in a horizontal unfolding state.
6. The use method of the unwinding and cloth storage mechanism of the laminator according to any of claims 1 to 4 comprises the following steps: the method is characterized in that: the method comprises the following steps:
s1, the driving device drives the lifting plate to ascend, and the base cloth is sequentially wound on a fixed wheel roller, a movable wheel roller and a fixed wheel roller from the unwinding end until the base cloth is led out to the composite end;
and S2, when the roll change is started, the driving device drives the lifting plate to descend, at the moment, the lifting plate descends at a speed a, the linear speed of the base cloth at the composite end is b, and the linear speed of the base cloth at the winding end is c, wherein b is a + c.
And S3, when the movable wheel roller is lowered to the position that the upper end surface of the movable wheel roller is flush with the lower end surface of the fixed wheel roller by the lifting plate, the linear speed b of the base cloth at the composite end is equal to the linear speed c of the base cloth at the winding end, and the reel change is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425428.XA CN111056351A (en) | 2019-12-31 | 2019-12-31 | Cloth unwinding and storing mechanism of laminating machine and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425428.XA CN111056351A (en) | 2019-12-31 | 2019-12-31 | Cloth unwinding and storing mechanism of laminating machine and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111056351A true CN111056351A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911425428.XA Pending CN111056351A (en) | 2019-12-31 | 2019-12-31 | Cloth unwinding and storing mechanism of laminating machine and using method thereof |
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| Country | Link |
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| CN (1) | CN111056351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976819A (en) * | 2023-02-21 | 2023-04-18 | 无锡奥飞斯商用地毯有限公司 | Production line for cutting woven carpet tiles |
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|---|---|---|---|---|
| CN202296482U (en) * | 2011-10-21 | 2012-07-04 | 广东金明精机股份有限公司 | Automatic-controlled film storage device |
| CN203048266U (en) * | 2012-10-26 | 2013-07-10 | 安徽徽安合成革有限公司 | Cloth storing and conveying device for release paper coating equipment |
| CN104261168A (en) * | 2014-09-10 | 2015-01-07 | 常州市永明机械制造有限公司 | High-speed laminating machine and buffering device thereof |
| CN205099050U (en) * | 2015-09-08 | 2016-03-23 | 嘉兴市耀阳新材料科技有限公司 | Membrane mechanism stores up |
| CN105692283A (en) * | 2016-01-29 | 2016-06-22 | 泉州市汉威机械制造有限公司 | Unwinding shaft speed reduction material receiving control device and control method |
| CN208394453U (en) * | 2018-05-25 | 2019-01-18 | 南通拓普新型建材有限公司 | A kind of fiberglass gridding cloth storage cloth frame mechanism |
| CN211769253U (en) * | 2019-12-31 | 2020-10-27 | 常州市永明机械制造有限公司 | Cloth unwinding and storing mechanism of laminating machine |
-
2019
- 2019-12-31 CN CN201911425428.XA patent/CN111056351A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202296482U (en) * | 2011-10-21 | 2012-07-04 | 广东金明精机股份有限公司 | Automatic-controlled film storage device |
| CN203048266U (en) * | 2012-10-26 | 2013-07-10 | 安徽徽安合成革有限公司 | Cloth storing and conveying device for release paper coating equipment |
| CN104261168A (en) * | 2014-09-10 | 2015-01-07 | 常州市永明机械制造有限公司 | High-speed laminating machine and buffering device thereof |
| CN205099050U (en) * | 2015-09-08 | 2016-03-23 | 嘉兴市耀阳新材料科技有限公司 | Membrane mechanism stores up |
| CN105692283A (en) * | 2016-01-29 | 2016-06-22 | 泉州市汉威机械制造有限公司 | Unwinding shaft speed reduction material receiving control device and control method |
| CN208394453U (en) * | 2018-05-25 | 2019-01-18 | 南通拓普新型建材有限公司 | A kind of fiberglass gridding cloth storage cloth frame mechanism |
| CN211769253U (en) * | 2019-12-31 | 2020-10-27 | 常州市永明机械制造有限公司 | Cloth unwinding and storing mechanism of laminating machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976819A (en) * | 2023-02-21 | 2023-04-18 | 无锡奥飞斯商用地毯有限公司 | Production line for cutting woven carpet tiles |
| CN115976819B (en) * | 2023-02-21 | 2023-06-06 | 无锡奥飞斯商用地毯有限公司 | Production line for cutting woven block carpet |
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