CN105966951A - Device for winding plastic film - Google Patents
Device for winding plastic film Download PDFInfo
- Publication number
- CN105966951A CN105966951A CN201610502204.4A CN201610502204A CN105966951A CN 105966951 A CN105966951 A CN 105966951A CN 201610502204 A CN201610502204 A CN 201610502204A CN 105966951 A CN105966951 A CN 105966951A
- Authority
- CN
- China
- Prior art keywords
- roller
- water tank
- nip rolls
- feeding roller
- fly rod
- 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.)
- Pending
Links
- 239000002985 plastic film Substances 0.000 title abstract 4
- 229920006255 plastic film Polymers 0.000 title abstract 4
- 238000004804 winding Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000007667 floating Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 description 46
- 239000010408 film Substances 0.000 description 12
- 238000005457 optimization Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance 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
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- 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
- B65H20/02—Advancing webs by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or 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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a device for winding a plastic film, and relates to the field of plastic production. The device comprises a bracket, a feeding roller, flattening rollers, an output roller and a driving motor. The feeding roller, the flattening rollers and the output roller are rotationally connected onto the bracket. The feeding roller and the output roller are driven by the driving motor to rotate. The feeding roller is positioned between the flattening rollers and above the flattening rollers. The output roller is arranged on the right side of the bracket. The rotational speed of the feeding roller is higher than that of the output roller. A tensioning roller is arranged between the flattening rollers and the output roller, and is positioned above the flattening rollers and the output roller. Floating rods are hinged to the two ends of the tensioning roller. A water tank and vertical slide rails are fixedly connected onto the bracket. The two ends of the tensioning roller are connected with the corresponding slide rails in a sliding manner. The floating rods are vertically inserted in the water tank, and can only move vertically relative to the slide rails. The floating tensioning roller is arranged, and the position of the floating tensioning roller is changed under the pressure applied to the tensioning roller by the plastic film, so that the tensioning force of the plastic film is controlled within the reasonable range.
Description
Technical field
The present invention relates to plastics-production field, be specifically related to the device of a kind of rolling plastic sheeting.
Background technology
Plastic sheeting is mainly made by with polrvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packing, and is used as coating layer.The commercially shared share of plastics package and plastic packet product is increasing, particularly composite plastic flexible package, have been widely used for the fields such as food, medicine, chemical industry, maximum with packaging for foodstuff proportion the most again, such as beverage packaging, quick frozen food packaging, cooking food packaging, fast food packaging etc., these products all bring great convenience to people's life.In the production process of plastic sheeting, the plastic sheeting after calendering formation needs rolling mechanism to carry out rolling, when to plastic sheeting rolling, in order to prevent thin film from fold occur, often needs thin film tensioning, to ensure that thin film is smooth；Existing wrap-up, is the most all by nip rolls and feeding roller stretched film, and wherein nip rolls is driven voller, and feeding roller is drive roll, feeding roller pulls thin film to move by frictional force, otherwise thin film is that nip rolls rotates by frictional force, realizes thin film tensioning with this；But owing to thin film ductility is good, the most easily stretching after stress, and stress excessive after be easily torn, therefore nip rolls and feeding roller surface can not be excessive with the frictional force of thin film, the most often occur that thin film can not the situation of tensioning, when making film, easily there is fold, or the situation that film rolling is fine and close not in thin film.
Additionally, due to when film, the diameter of film rolling can be gradually increased, and therefore the rolling speed of thin film can gradually accelerate so that the friction of the translational speed of thin film, thin film and each roller all can produce the tensile force of change, i.e. thin film and be difficult to control to.
Summary of the invention
It is an object of the invention to provide the device of a kind of rolling plastic sheeting, to solve when film, it is difficult to the tensile force of plastic sheeting is controlled the problem in the range of relative constancy.
For reaching above-mentioned purpose, the base case of the present invention is as follows:
The device of rolling plastic sheeting includes support, feeding roller, nip rolls and the outlet roller being rotatably connected on support, drives the driving motor that feeding roller and outlet roller rotate；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and feeding roller is positioned at above nip rolls, and outlet roller is arranged on any side of the left and right sides of support；The rotating speed of described feeding roller, more than the rotating speed of outlet roller, is provided with idler roller, and idler roller is positioned at above nip rolls and outlet roller between described nip rolls and outlet roller, the two ends of idler roller are hinged with fly rod；Being fixedly connected with water tank and the slide rail being vertically arranged on described support, the two ends of described idler roller are slidably connected with corresponding slide rail, and described fly rod is inserted vertically in water tank, and fly rod only can be vertically movable relative to slide rail.
The principle of the device of this programme rolling plastic sheeting is:
When needs film, first paper web should be nested with and be fixed on outlet roller, and thin film is sequentially passed through nip rolls, feeding roller, nip rolls and idler roller, then one end of thin film is fixed on paper web；When driving electric motor starting, outlet roller and feeding roller to rotate, feeding roller rotates and thin film will be made gradually to be wrapped on paper web, pulls thin film to move simultaneously；Arranging feeding roller is then to thin film be decomposed thin film everywhere by power, preventing Film Tear；And the frictional force that thin film is produced by nip rolls and feeding roller is conducive to stretched film on the contrary.And pressure that idler roller is applied by the thin film being in outlet roller and tensioning roll segment excessive time, idler roller will sink, and prevent tensile force excessive, and when pressure that idler roller is applied by thin film is too small, idler roller floating, with the holding tensile force to thin film；During additionally idler roller floats and sinks, the contact surface on thin film and idler roller surface connects and also can produce change, the pressure of idler roller is reduced by i.e. thin film, thin film increases with the contact area of idler roller, then can compensate the frictional force of loss, otherwise, then can increasing friction force so that the stress of thin film is always at the state of relative constancy.
This programme produces and provides the benefit that:
This programme is by being set to quick condition by idler roller, so that the stress of thin film is always at the state of relative constancy, so that the tensile force of thin film keeps constant；This programme makes idler roller in floating state by the setting of fly rod and water tank, is not only simple in structure, and makes the stroke of idler roller relatively greatly, and the most adaptable, range of accommodation is wide.
Preferred version one: as the further optimization to base case, being fixed with position-limited rack in described water tank, position-limited rack is positioned at the underface of described idler roller, and fly rod passes position-limited rack, and fly rod only can slide relative to position-limited rack；This optimization simple in construction, and fly rod is easy to assembly.
Preferred version two: as the further optimization to base case, described slide rail is arranged in water tank, and the lower end of described fly rod is also slidably connected with slide rail；In this optimization, owing to the upper end of fly rod is hinged with idler roller, and idler roller and slide rail are slidably connected, and the lower end of fly rod is slidably connected with fly rod, then fly rod is directly slidably connected on slide rail so that the resistance that fly rod is subject to is little, and fly rod reaction is quicker.
Preferred version three: as the further optimization to base case, described water tank being provided with water level observation window, water level observation window is provided with scale, the sidewall of water tank is provided with osculum, and osculum is provided with plug；Water level observation window can clearly react the water level in water tank, and the water level in water tank can be adjusted by osculum, by water level observation window and the original state controlling to be conducive to regulating regulating wheel of osculum.
Preferred version four: as the further optimization to base case, be equipped with rubber sleeve outside described nip rolls and idler roller；Rubber sleeve is set and can suitably increase the surface of nip rolls and idler roller and the frictional force of thin film, prevent nip rolls and idler roller from producing relative to thin film and trackslip, and form tensile force unsure state.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention two.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: support 1, feeding roller 2, nip rolls 3, idler roller 4, outlet roller 5, water tank 6, thin film 7, slide rail 41, fly rod 42, installing plate 51, position-limited rack 61.
Embodiment one:
As it is shown in figure 1, the device of the rolling plastic sheeting 7 of the present embodiment includes support 1, feeding roller 2, nip rolls 3 and the outlet roller 5 being rotatably connected on support 1, drive the driving motor that feeding roller 2 and outlet roller 5 rotate；Driving motor to be connected with reductor, reductor is connected with feeding roller 2 and outlet roller 5 respectively by chain again, and the rotating speed big 2% of the rotating ratio feeding roller 2 of outlet roller 5；Owing to, during film 7, the external diameter that thin film is volume 7 will be gradually increased, therefore the rolling speed of thin film 7 gradually accelerates, and the rotating speed of outlet roller 5, more than the rotating speed of feeding roller 2, is possible to prevent feeding speed the slowest.Described feeding roller 2 is between nip rolls 3, and feeding roller 2 is positioned at above nip rolls 3, outlet roller 5 is arranged on the right side of support 1, be installed with two installing plates 51 on the right side of support 1, outlet roller 5 is rotatably connected on installing plate 51, and installing plate 51 is separately positioned on the both sides of outlet roller 5, wherein an installing plate 51 is welded on support 1, another installing plate 51 is then bolted on support 1, makes wherein can dismantle with installing plate 51 with this, is conducive to being nested with on outlet roller 5 paper web.
Being provided with idler roller 4 between described nip rolls 3 and outlet roller 5, and idler roller 4 is positioned at above nip rolls 3 and outlet roller 5, the two ends of idler roller 4 are hinged with fly rod 42；Water tank 6 and the slide rail 41 being vertically arranged it is fixedly connected with on described support 1, the two ends of described idler roller 4 are slidably connected with corresponding slide rail 41, described fly rod 42 is inserted vertically in water tank 6, it is welded with position-limited rack 61 in described water tank 6, position-limited rack 61 is positioned at the underface of described idler roller 4, fly rod 42 is through position-limited rack 61, and fly rod 42 only can slide relative to position-limited rack 61.
Being provided with water level observation window on the most described water tank 6, water level observation window is provided with scale, the sidewall of water tank 6 is provided with osculum, and osculum is provided with plug.It is equipped with rubber sleeve outside described nip rolls 3 and idler roller 4, due to nip rolls 3 and the equal passive rotation of idler roller 4, rubber sleeve is set and can suitably increase the surface of nip rolls 3 and idler roller 4 and the frictional force of thin film 7, prevent from nip rolls 3 and idler roller 4 from producing relative to thin film 7 to trackslip, and form tensile force unsure state.
The specific works process of the device of the present embodiment rolling plastic sheeting 7 is:
When needs film 7, first paper web should be nested with and be fixed on outlet roller 5, and thin film 7 is sequentially passed through nip rolls 3, feeding roller 2, nip rolls 3 and idler roller 4, then one end of thin film 7 is fixed on paper web；Starting and drive motor, outlet roller 5 and feeding roller 2 rotate, and outlet roller 5 rotates and makes thin film 7 gradually be wrapped on paper web, pulls thin film 7 to move simultaneously；And feeding roller 2 is by feeding forward, it is to avoid outlet roller 5 to thin film 7 to pull power excessive, Tear Film 7；The frictional force that thin film 7 is produced by nip rolls 3 and feeding roller 2 is by thin film 7 tensioning.When being in outlet roller 5 and being excessive with the pressure that idler roller 4 is applied by the thin film 7 of idler roller 4 sections, idler roller 4 will sink, otherwise regulating wheel floats, to keep the tensile force of thin film 7.
Embodiment two:
As in figure 2 it is shown, differing only in of embodiment two and enforcement power one, it is not provided with position-limited rack 61 in the water tank 6 of embodiment two, and slide rail 41 is fixed in water tank 6, and the lower end of fly rod 42 is also slidably connected on slide rail 41.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. a device for rolling plastic sheeting, including support, the feeding roller being rotatably connected on support, nip rolls and outlet roller, drives the driving motor that feeding roller and outlet roller rotate；Described driving motor is Chain conveyer with feeding roller and outlet roller, and described feeding roller is between nip rolls, and feeding roller is positioned at above nip rolls, and outlet roller is arranged on any side of the left and right sides of support；It is characterized in that, the rotating speed of described feeding roller, more than the rotating speed of outlet roller, is provided with idler roller, and idler roller is positioned at above nip rolls and outlet roller between described nip rolls and outlet roller, the two ends of idler roller are hinged with fly rod；Being fixedly connected with water tank and the slide rail being vertically arranged on described support, the two ends of described idler roller are slidably connected with corresponding slide rail, and described fly rod is inserted vertically in water tank, and fly rod only can be vertically movable relative to slide rail.
The device of rolling plastic sheeting the most according to claim 1, it is characterised in that be fixed with position-limited rack in described water tank, position-limited rack is positioned at the underface of described idler roller, and fly rod passes position-limited rack, and fly rod only can slide relative to position-limited rack.
The device of rolling plastic sheeting the most according to claim 1, it is characterised in that described slide rail is arranged in water tank, the lower end of described fly rod is also slidably connected with slide rail.
The device of rolling plastic sheeting the most according to claim 1, it is characterised in that be provided with water level observation window on described water tank, water level observation window is provided with scale, and the sidewall of water tank is provided with osculum, and osculum is provided with plug.
The device of rolling plastic sheeting the most according to claim 1, it is characterised in that be equipped with rubber sleeve outside described nip rolls and idler roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502204.4A CN105966951A (en) | 2016-06-30 | 2016-06-30 | Device for winding plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502204.4A CN105966951A (en) | 2016-06-30 | 2016-06-30 | Device for winding plastic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105966951A true CN105966951A (en) | 2016-09-28 |
Family
ID=56953444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502204.4A Pending CN105966951A (en) | 2016-06-30 | 2016-06-30 | Device for winding plastic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105966951A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743853A (en) * | 2016-12-28 | 2017-05-31 | 重庆皖渝纸制品有限公司 | Winding roll hold-down gear |
| CN108081357A (en) * | 2017-12-27 | 2018-05-29 | 宁波雯泽纺织品有限公司 | Cloth tensioning apparatus |
| CN108726279A (en) * | 2018-06-26 | 2018-11-02 | 珠海市爱能电子有限公司 | A kind of liquid damping tension device |
| CN109295515A (en) * | 2018-11-08 | 2019-02-01 | 湖州通益环保纤维股份有限公司 | Stretching device is used in a kind of production of Three-dimensional crimped hollow staple fiber |
| CN109732686A (en) * | 2019-02-26 | 2019-05-10 | 深圳市富邦精密机械科技有限公司 | Digital die-cutting machine and its materials and parts tighten control method, apparatus and system |
| CN111532837A (en) * | 2020-05-25 | 2020-08-14 | 王清伟 | Production and manufacturing process of temperature-resistant tinfoil paper roll |
| CN115092746A (en) * | 2022-06-22 | 2022-09-23 | 南京润圻机械科技有限公司 | Transmission device for food packaging film |
| CN117819264A (en) * | 2024-03-05 | 2024-04-05 | 大连保税区金宝至电子有限公司 | Automatic roll-to-roll laminating feeding device in etching processing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191325345A (en) * | 1913-11-06 | 1914-09-24 | John Henry Abell | Improvements in or relating to Machines for Damping Hosiery, Fabrics and the like. |
| US3536273A (en) * | 1969-02-07 | 1970-10-27 | Du Pont | Method of and apparatus for winding a web of plastic film |
| GB1409025A (en) * | 1972-02-14 | 1975-10-08 | B K Machinery International Lt | Differential drive for tension rollers |
| US4693053A (en) * | 1985-06-26 | 1987-09-15 | Sitma Societa Italiana Macchine Automatiche S.P.A. | Device for controlling the unwinding of a plastics film in a packaging machine |
| WO1989006594A1 (en) * | 1988-01-13 | 1989-07-27 | Drg (Uk) Limited | A method and an apparatus for producing a thinned plastics film and a reel of such a film |
| JP2009056570A (en) * | 2007-09-03 | 2009-03-19 | Fuji Electric Systems Co Ltd | Long film punching method and device |
| CN203335756U (en) * | 2013-04-28 | 2013-12-11 | 辽宁科技大学 | Buoyancy type belt tensioning device |
| US20140014762A1 (en) * | 2011-03-30 | 2014-01-16 | Takashi Ichinomiya | Process for producing roll of microporous plastic film |
| KR101405835B1 (en) * | 2012-12-24 | 2014-06-11 | 전일프라스틱(주) | Apparatus for manufacturing film with dancer roller |
| CN205838120U (en) * | 2016-06-30 | 2016-12-28 | 重庆浩立塑胶有限公司 | The device of rolling plastic sheeting |
-
2016
- 2016-06-30 CN CN201610502204.4A patent/CN105966951A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191325345A (en) * | 1913-11-06 | 1914-09-24 | John Henry Abell | Improvements in or relating to Machines for Damping Hosiery, Fabrics and the like. |
| US3536273A (en) * | 1969-02-07 | 1970-10-27 | Du Pont | Method of and apparatus for winding a web of plastic film |
| GB1409025A (en) * | 1972-02-14 | 1975-10-08 | B K Machinery International Lt | Differential drive for tension rollers |
| US4693053A (en) * | 1985-06-26 | 1987-09-15 | Sitma Societa Italiana Macchine Automatiche S.P.A. | Device for controlling the unwinding of a plastics film in a packaging machine |
| WO1989006594A1 (en) * | 1988-01-13 | 1989-07-27 | Drg (Uk) Limited | A method and an apparatus for producing a thinned plastics film and a reel of such a film |
| JP2009056570A (en) * | 2007-09-03 | 2009-03-19 | Fuji Electric Systems Co Ltd | Long film punching method and device |
| US20140014762A1 (en) * | 2011-03-30 | 2014-01-16 | Takashi Ichinomiya | Process for producing roll of microporous plastic film |
| KR101405835B1 (en) * | 2012-12-24 | 2014-06-11 | 전일프라스틱(주) | Apparatus for manufacturing film with dancer roller |
| CN203335756U (en) * | 2013-04-28 | 2013-12-11 | 辽宁科技大学 | Buoyancy type belt tensioning device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743853A (en) * | 2016-12-28 | 2017-05-31 | 重庆皖渝纸制品有限公司 | Winding roll hold-down gear |
| CN108081357A (en) * | 2017-12-27 | 2018-05-29 | 宁波雯泽纺织品有限公司 | Cloth tensioning apparatus |
| CN108081357B (en) * | 2017-12-27 | 2019-06-21 | 宁波雯泽纺织品有限公司 | Cloth tensioning apparatus |
| CN108726279A (en) * | 2018-06-26 | 2018-11-02 | 珠海市爱能电子有限公司 | A kind of liquid damping tension device |
| CN109295515A (en) * | 2018-11-08 | 2019-02-01 | 湖州通益环保纤维股份有限公司 | Stretching device is used in a kind of production of Three-dimensional crimped hollow staple fiber |
| CN109732686A (en) * | 2019-02-26 | 2019-05-10 | 深圳市富邦精密机械科技有限公司 | Digital die-cutting machine and its materials and parts tighten control method, apparatus and system |
| CN111532837A (en) * | 2020-05-25 | 2020-08-14 | 王清伟 | Production and manufacturing process of temperature-resistant tinfoil paper roll |
| CN111532837B (en) * | 2020-05-25 | 2020-12-22 | 湖北夷盟包装材料有限公司 | Production and manufacturing process of temperature-resistant tinfoil paper roll |
| CN115092746A (en) * | 2022-06-22 | 2022-09-23 | 南京润圻机械科技有限公司 | Transmission device for food packaging film |
| CN117819264A (en) * | 2024-03-05 | 2024-04-05 | 大连保税区金宝至电子有限公司 | Automatic roll-to-roll laminating feeding device in etching processing process |
| CN117819264B (en) * | 2024-03-05 | 2024-05-14 | 大连保税区金宝至电子有限公司 | Automatic roll-to-roll laminating feeding device in etching processing process |
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