CN112897134A - Automatic film winding device - Google Patents
Automatic film winding device Download PDFInfo
- Publication number
- CN112897134A CN112897134A CN202110203438.XA CN202110203438A CN112897134A CN 112897134 A CN112897134 A CN 112897134A CN 202110203438 A CN202110203438 A CN 202110203438A CN 112897134 A CN112897134 A CN 112897134A
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- Prior art keywords
- driving
- plate
- block
- lifting
- roll
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- 238000004804 winding Methods 0.000 title claims description 76
- 238000005096 rolling process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
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- 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
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- 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
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
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- 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
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- 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
Abstract
The invention relates to the technical field of film rolling, and discloses an automatic film rolling device which comprises a rolling roller, a driving unit and a supporting unit, wherein the driving unit drives the rolling roller to rotate, one end of the rolling roller is detachably connected with the driving unit, the supporting unit comprises a rack, a lifting assembly and a pushing assembly, the lifting assembly comprises a lifting block, the lifting block is in an isosceles trapezoid structure, the bottom end of the lifting block is provided with a horizontally arranged plane end and an obliquely arranged first inclined plane end, the top end of the lifting block is connected with a top plate, the top plate can abut against the rolling roller, the rack is also provided with two groups of driving plates, the driving plates are rotatably connected with the rack, one ends of the driving plates abut against the rolling roller, the other ends of the driving plates abut against inclined planes on two sides of the lifting block, the pushing assembly comprises a driving block and a control piece for driving the driving block to slide in a reciprocating, the first and second beveled ends are parallel to each other. The invention is more convenient to replace the wind-up roll and can improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of film rolling, in particular to an automatic film rolling device.
Background
After a film product is formed, a winding roller is needed to wind the film, so that the film is stored in a bundle, and the film is convenient to transport and store.
In the winding process of the film in the prior art, the film wound on the winding roller can be gradually thickened, so that the winding roller needs to be replaced in order to ensure the normal winding film of the winding roller, and the film is wound on a plurality of winding rollers.
However, in the prior art, the film is generally wound by the winding device, the conventional winding device generally only has one winding roller, when the diameter of the film wound by the winding roller reaches a set value and the winding roller needs to be replaced, the winding device needs to be stopped firstly in a common operation mode, then the winding roller which is completed by winding is manually taken down by a worker, and a hollow winding roller is installed, so that the winding operation is performed again.
Disclosure of Invention
The invention aims to provide an automatic film winding device, so that a winding roller can be replaced more conveniently, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic film winding device comprises a winding roller, a driving unit for driving the winding roller to rotate, and a supporting unit, wherein one end of the winding roller is detachably connected with the driving unit, the supporting unit comprises a rack, a lifting assembly and a pushing assembly, the lifting assembly comprises a lifting block, the lifting block vertically slides along the rack, the lifting block is in an isosceles trapezoid structure, the bottom end of the lifting block is provided with an inclined first inclined plane end, the top end of the lifting block is connected with a top plate, the top plate can abut against the winding roller, the rack is further provided with two groups of driving plates which are longitudinally and symmetrically arranged, the driving plates are rotationally connected with the rack, one end of each driving plate abuts against the winding roller, the other end of each driving plate abuts against inclined planes on two sides of the lifting block, and the rack is further provided with a driving block in a sliding fit manner, the top of driving block is equipped with the second inclined plane end of slope, first inclined plane end with the second inclined plane end is parallel to each other, is equipped with the piece that resets between two drive plates, be equipped with the control piece that the driving block of drive reciprocated sliding in the frame.
The principle and the advantages of the scheme are as follows: during the in-service use, the one end and the drive unit of wind-up roll can be dismantled and be connected in this scheme, the other end of wind-up roll is supported by the supporting unit, because the supporting unit includes lifting unit and promotion subassembly, the elevator among the lifting unit can support tightly or unclamp to the bottom side of wind-up roll through vertical slip, and because the elevator is isosceles trapezoid structure, therefore the both sides of elevator are the inclined plane that mutual symmetry set up, the both ends of the drive plate that two sets of symmetries set up can offset with the inclined plane of the lateral wall of wind-up roll and elevator respectively, the one end that drive unit was kept away from to the wind-up roll can receive two drive plates and the supporting role of roof plate, thereby make the wind-up roll can be smooth rotate and carry out the.
When a film on the winding roller is gradually thickened and a new winding roller needs to be replaced, the driving block is driven to slide through the control piece, the second inclined plane end on the driving block slides to the lower part of the first inclined plane end of the bottom end of the lifting block and is abutted against the first inclined plane end, the lifting block is pushed by the two driving plates to slide downwards, so that the top plate is far away from the winding roller, meanwhile, the end parts of the two driving plates are also far away from the winding roller, one end, far away from the driving unit, of the winding roller is a free end, and at the moment, the winding roller only needs to be taken out from the driving unit.
Because when taking out the wind-up roll, roof and drive plate on the elevator all keep away from the wind-up roll and make the wind-up roll be in the state of unclamping, more convenient quick like this takes out from drive unit, the effectual efficiency of changing the wind-up roll that has improved.
When a new winding roller needs to be installed again, only one end of the winding roller needs to be connected with the driving unit, then the driving block is driven to slide reversely, the second inclined plane end on the driving block is gradually far away from the first inclined plane end and slides to the position below the plane end of the lifting block, at the moment, the lifting block slides upwards to enable the top plate to jack up the bottom side of the winding roller, the driving plates are pushed to rotate in the upward sliding process of the lifting block to enable the two driving plates to be folded, and therefore the driving plates are abutted against the two sides of the winding roller, and therefore the winding roller is supported rapidly, and replacement efficiency is high.
Preferably, as an improvement, each of the driving plates includes an upper supporting plate and a lower supporting plate, the upper supporting plate and the lower supporting plate are fixedly connected, and an included angle between the upper supporting plate and the lower supporting plate is an obtuse angle.
So set up, more make things convenient for like this the both ends of messenger's drive plate to offset with the inclined plane of wind-up roll and lifter plate respectively, and such structure can play more firm supporting role to the wind-up roll.
Preferably, as an improvement, the rack comprises a bottom plate and two supporting plates, the two supporting plates are respectively and fixedly connected with the bottom plate in a vertical manner, the lifting assembly and the winding roller are both located between the two supporting plates, and the two driving plates are respectively and rotatably connected with the two supporting plates.
Two backup pads can provide the fulcrum of connecting the installation to the drive plate in this scheme, and the setting of bottom plate is the effect of installing the backup pad more conveniently and can play the support to whole device.
Preferably, as an improvement, the opposite sides of the two supporting plates are vertically and fixedly connected with connecting plates, circular connecting discs are fixedly connected between the upper supporting plate and the lower supporting plate, and the connecting discs are rotatably connected with the connecting plates.
So set up, the connection area of connection pad can increase and connecting plate in this scheme, easy to assemble more.
Preferably, as an improvement, a sliding groove is formed in the bottom plate, a sliding block is fixedly connected to the bottom end of the driving block, and the sliding block is inserted into the sliding groove and is in sliding fit with the sliding groove.
So set up, the setting of spout and slider can play the effect of direction to the slip of driving block in this scheme, makes the slip of driving block more steady.
Preferably, as an improvement, the sliding groove is a dovetail groove, and the cross section of the sliding block is trapezoidal.
So set up, can further strengthen the stationarity of complex between spout and the slider, the direction effect is better.
Preferably, as an improvement, perpendicular fixedly connected with riser on the bottom plate, the bar groove has vertically been seted up along it on the riser, fixedly connected with lug on the elevator, the lug inserts in the bar inslot and with the vertical sliding fit in bar groove.
So set up, the riser set up in this scheme more makes things convenient for the elevator to slide along the riser is vertical, and the setting of bar groove and lug can play the effect of direction to the vertical slip of elevator.
Preferably, as an improvement, drive unit includes motor, gear assembly and pulley assembly, the gear assembly includes driving gear and driven gear, the driving gear with driven gear intermeshing, motor output torque drives the driving gear through pulley assembly and rotates, two actuating levers of fixedly connected with on driven gear's the terminal surface, two jacks have been seted up to the one end of wind-up roll, and two actuating levers can insert respectively in the jack.
So set up, two jacks of seting up on being equipped with actuating lever and wind-up roll on driven gear in this scheme are mutually supported, make wind-up roll and driven gear realize dismantling the relation of connection, easy to assemble with take out the wind-up roll, pass through motor output torque in this scheme to through belt pulley assembly transmission moment of torsion, make the driving gear rotate, thereby realize driven gear's rotation, will drive the wind-up roll rotation when driven gear is pivoted, and then realize the effect of wind-up roll rolling film.
Preferably, as an improvement, the two ends of the driving plate and the top end of the top plate are rotatably connected with rollers.
So set up, the setting of gyro wheel had both improved the smooth and easy nature of complex between two inclined planes of drive plate and elevator, can play the supporting role to the wind-up roll again to the gyro wheel can rotate along with the rotation of wind-up roll, can reduce the frictional force between gyro wheel and the wind-up roll like this, makes the wind-up roll can more smooth and easy rotation and rolling film.
Drawings
Fig. 1 is a front view of an embodiment of an automatic film winding device according to the present invention.
Fig. 2 is a partial right view of the automatic film winding device according to the embodiment of the present invention.
Fig. 3 is a schematic view of a state in which the end of the driving plate and the end of the top plate are away from the wind-up roll in the embodiment of the automatic film wind-up device of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a bottom plate 1, a supporting plate 2, a connecting plate 3, a sliding chute 4, a sliding block 5, a driving block 6, a first inclined plane end 7, a lifting block 8, a second inclined plane end 9, a connecting rod 10, a top plate 11, a winding roller 12, a mounting plate 13, an air cylinder 14, an upper supporting plate 15, a lower supporting plate 16, a connecting plate 17, a roller 18, a driving gear 19, a driven gear 20, a tension spring 21, a first fixing plate 23, a motor 24, a belt 25, a second fixing plate 26, a rotating shaft 27, a driving rod 28, a vertical plate 29 and a strip-shaped groove 30.
The embodiment is basically as shown in the attached figure 1: the automatic film winding device comprises a winding roller 12, a driving unit and a supporting unit, wherein the driving unit drives the winding roller 12 to rotate, one end of the winding roller 12 is detachably connected with the driving unit, and the supporting unit is located on one side, far away from the driving unit, of the winding roller 12.
The supporting unit comprises a rack, a lifting assembly and a pushing assembly, the rack comprises a bottom plate 1 and two supporting plates 2 in the embodiment, the two supporting plates 2 are respectively and fixedly connected with the bottom plate 1 in a vertical welding mode, and the lifting assembly and the winding roller 12 are located between the two supporting plates 2.
Lifting unit includes elevator 8, and elevator 8 is along the vertical slip of frame, and through the perpendicular fixedly connected with riser 29 of bolt on the bottom plate 1 in this embodiment, vertically seted up bar groove 30 along it on the riser 29, fixedly connected with lug (not shown in the figure) on the elevator 8, in this embodiment the lug be located elevator 8 the back and with elevator 8 integrated into one piece, the lug insert in bar groove 30 and with the vertical sliding fit in bar groove 30.
The top plate 11 can be abutted against the wind-up roll 12, two groups of driving plates which are longitudinally and symmetrically arranged are also arranged on the machine frame, the driving plates are rotationally connected with the machine frame, one end of the driving plate is abutted against the winding roller 12, the other end of the driving plate is abutted against the inclined planes on the two sides of the lifting block 8, the driving plate comprises an upper support plate 15 and a lower support plate 16 in the embodiment, the upper support plate 15 is fixedly connected with the lower support plate 16, the included angle between the upper support plate 15 and the lower support plate 16 is an obtuse angle, so that the driving plate is in a structure of '>', in the embodiment, the opposite sides of the two supporting plates 2 are vertically and fixedly connected with the connecting plate 3 through screws, a connecting plate 17 in a circular shape is fixedly connected between the upper supporting plate 15 and the lower supporting plate 16, the connecting plate 17 is integrally formed with the upper supporting plate 15 and the lower supporting plate 16, and the connecting disc 17 is rotatably connected with the connecting plate 3 through a pin shaft, so that the two driving plates are respectively rotatably connected with the two supporting plates 2. In this embodiment, the two ends of the driving plate and the top end of the top plate 11 are rotatably connected with rollers 18 through pins.
The pushing assembly comprises a driving block 6 and a control piece for driving the driving block 6 to slide in a reciprocating manner, the driving block 6 is in sliding fit with the rack, and the pushing assembly is specific: horizontal sliding fit has been seted up spout 4 on the bottom plate 1 to drive block 6 and bottom plate 1 about, and the bottom weld fixed connection of drive block 6 has slider 5, and slider 5 inserts in the spout 4 and with spout 4 sliding fit, spout 4 is the dovetail in this embodiment, and slider 5's cross section is trapezoidal, can make the more steady of slip between slider 5 and the dovetail like this, and is better to drive block 6's guide effect.
The top end of the driving block 6 is provided with an inclined second inclined end 9, the second inclined end 9 is located at the right part of the driving block 6, the first inclined end 7 and the second inclined end 9 are parallel to each other, and when the first inclined end 7 and the second inclined end 9 are staggered to make the driving block 6 abut against the planar end at the bottom end of the lifting block 8 (i.e. located at the position shown in fig. 1), the top plate 11 and the rollers 18 at the end parts of the two driving plates both abut against the outer side of the winding roller 12.
A mounting plate 13 is fixedly welded at the left end of the driving block 6, in this embodiment, the control element is an air cylinder 14, the air cylinder 14 is located at the left part of the bottom plate 1, a cylinder body of the air cylinder 14 is fixedly connected with the bottom plate 1 through a bolt, and an output shaft of the air cylinder 14 is fixedly connected with the mounting plate 13 through a bolt.
A reset part is arranged between the two driving plates, the reset part in the embodiment is a tension spring 21, two ends of the tension spring 21 are respectively connected with the lower support plate 16 of the two driving plates, and hooks at two ends of the tension spring 21 can be hooked on a pin shaft for mounting the roller 18 on the lower support plate 16 during mounting.
As shown in fig. 2, the driving unit includes a motor 24, a gear assembly and a belt pulley assembly in this embodiment, the gear assembly includes a driving gear 19 and a driven gear 20, the driving gear 19 is engaged with the driven gear 20, the motor 24 outputs torque and drives the driving gear 19 to rotate through the belt pulley assembly, two driving rods 28 are fixedly connected to the end surface of the driven gear 20 by welding, two insertion holes are opened at the right end of the winding roller 12, the two driving rods 28 can be inserted into the insertion holes respectively, and thus the winding roller 12 and the driven gear 20 can be detachably connected.
In this embodiment, the right portion of the bottom plate 1 is located the top end of the bottom plate and is vertically welded and fixed with a first fixing plate 23 and a second fixing plate 26, the first fixing plate 23 and the second fixing plate 26 are arranged in parallel, the height of the first fixing plate 23 is greater than that of the second fixing plate 26, the driving gear 19 and the driven gear 20 are both provided with a rotating shaft 27 through a flat key fixedly connected with, the rotating shaft 27 on the driven gear 20 is rotatably connected with the first fixing plate 23 through a bearing, two ends of the rotating shaft 27 on the driving gear 19 are rotatably connected with the first fixing plate 23 and the second fixing plate 26 through bearings, and the rotating shaft 27 on the driving gear 19 extends out of the second fixing plate 26.
In this embodiment, the belt pulley assembly includes a belt 25 and two belt pulleys, one of the two belt pulleys is connected to the rotating shaft 27 of the driving gear 19 through a flat key, the other belt pulley is connected to the output shaft of the motor 24 through a flat key, and the belt 25 is installed on the two belt pulleys.
The specific implementation process is as follows: when the winding roller 12 needs to be installed, the insertion hole of the winding roller 12 is aligned to the two driving rods 28 on the end face of the driven gear 20, then the two driving rods 28 are inserted into the insertion hole, and the connection to one end of the winding roller 12 is completed, as shown in fig. 3, the roller 18 at the end part of the upper supporting plate 15 of the driving plate and the roller 18 at the top end of the top plate 11 are both located far away from the winding roller 12, and the second inclined plane end 9 on the driving block 6 is located below the first inclined plane end 7 at the bottom of the lifting block 8 and abuts against the first inclined plane end 7.
As shown in fig. 1, the output shaft of the driving cylinder 14 extends to the right, so that the driving block 6 slides to the right, and the driving block 6 gradually drives the lifting block 8 to slide upwards in the process of sliding to the right, and the output shaft of the cylinder 14 stops extending until the planar end of the lifting block 8 abuts against the top end of the driving block 6.
The lifting block 8 slides upwards to drive the roller 18 at the end of the lower support plate 16 to slide downwards along the inclined plane of the lifting block 8, so that the upper support plate 15 swings towards the winding roller 12, the effect that the two driving plates are folded to abut against the outer side of the winding roller 12 is realized, meanwhile, the roller 18 on the top plate 11 gradually abuts against the lower side of the winding roller 12 in the upward movement process of the top plate 11, and thus, one end, far away from the driven gear 20, of the winding roller 12 is supported by the top plate 11 and the two driving plates, and the winding roller 12 can rotate more smoothly due to the arrangement of the roller 18.
After the winding roller 12 is installed, the driving motor 24 rotates, the driving gear 19 is driven to rotate through the belt 25 wheel assembly, and finally the driven gear 20 transmits distortion to enable the winding roller 12 to rotate so as to complete the film winding work.
When a film is wound to a certain diameter and a new winding roller 12 needs to be replaced, the output shaft of the driving cylinder 14 retracts leftwards to drive the driving block 6 to slide leftwards, as shown in fig. 3, in the process that the driving block 6 slides leftwards, when the second inclined plane end 9 on the driving block 6 is positioned right below the first inclined plane end 7 of the lifting block 8, the lifting block 8 gradually slides downwards, so that the roller 18 on the top plate 11 is far away from the winding roller 12, the lower support plate 16 swings towards the winding roller 12, the upper support plate 15 swings towards the direction far away from the winding roller 12, the roller 18 at the end of the upper support plate 15 is far away from the winding roller 12, and the winding roller 12 wound with the film can be taken out to replace the new winding roller 12.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Automatic film winding device, including wind-up roll, drive wind-up roll pivoted drive unit, its characterized in that: the winding device is characterized by further comprising a supporting unit, one end of the winding roller is detachably connected with the driving unit, the supporting unit comprises a rack, a lifting assembly and a pushing assembly, the lifting assembly comprises a lifting block, the lifting block vertically slides along the rack, the lifting block is of an isosceles trapezoid structure, the bottom end of the lifting block is provided with a horizontally arranged plane end and a first inclined plane end which is obliquely arranged, the top end of the lifting block is connected with a top plate, the top plate can abut against the winding roller, the rack is further provided with two groups of driving plates which are longitudinally and symmetrically arranged, the driving plates are rotatably connected with the rack, one ends of the driving plates abut against the winding roller, the other ends of the driving plates abut against inclined planes on two sides of the lifting block, the pushing assembly comprises a driving block and a control piece for driving the driving block to slide in a reciprocating mode, and the driving block is in sliding fit with the rack, the top of drive block is equipped with the second inclined plane end of slope, first inclined plane end with the second inclined plane end is parallel to each other, is equipped with the piece that resets between two drive plates.
2. The film roll-up device according to claim 1, wherein: the drive plate comprises an upper support plate and a lower support plate, the upper support plate is fixedly connected with the lower support plate, and an included angle between the upper support plate and the lower support plate is an obtuse angle.
3. The film roll-up device according to claim 2, wherein: the frame includes bottom plate and two backup pads, two backup pads respectively with the perpendicular fixed connection of bottom plate, lifting unit and wind-up roll all are located between two backup pads, two drive plates rotate with two backup pads respectively and are connected.
4. The film roll-up device according to claim 3, wherein: the two supporting plates are vertically and fixedly connected with a connecting plate on the opposite sides, a circular connecting disc is fixedly connected between the upper supporting plate and the lower supporting plate, and the connecting disc is rotatably connected with the connecting plate.
5. The film roll-up device according to claim 3, wherein: the bottom plate is provided with a sliding groove, the bottom end of the driving block is fixedly connected with a sliding block, and the sliding block is inserted into the sliding groove and is in sliding fit with the sliding groove.
6. The film roll-up device according to claim 5, wherein: the sliding groove is a dovetail groove, and the cross section of the sliding block is trapezoidal.
7. The film roll-up device according to claim 3, wherein: perpendicular fixedly connected with riser on the bottom plate, vertically seted up the bar groove along it on the riser, fixedly connected with lug on the elevator, the lug inserts in the bar inslot and with the vertical sliding fit in bar groove.
8. The film roll-up device according to claim 1, wherein: the drive unit includes motor, gear assembly and pulley assembly, the gear assembly includes driving gear and driven gear, the driving gear with driven gear intermeshing, motor output torque drives the driving gear through the pulley assembly and rotates, two actuating levers of fixedly connected with on driven gear's the terminal surface, two jacks have been seted up to the one end of wind-up roll, and two actuating levers can insert respectively in the jack.
9. The film roll-up apparatus according to any one of claims 1 to 8, wherein: both ends of the driving plate and the top end of the top plate are rotatably connected with rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203438.XA CN112897134A (en) | 2021-02-23 | 2021-02-23 | Automatic film winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203438.XA CN112897134A (en) | 2021-02-23 | 2021-02-23 | Automatic film winding device |
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|---|---|
| CN112897134A true CN112897134A (en) | 2021-06-04 |
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| CN202110203438.XA Pending CN112897134A (en) | 2021-02-23 | 2021-02-23 | Automatic film winding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697555A (en) * | 2021-09-09 | 2021-11-26 | 安平县伟安金属丝网制造有限公司 | Hydrogen energy source wire mesh is with receipts net machine |
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