CN112249767A - Polyvinyl alcohol winding film and preparation method thereof - Google Patents

Polyvinyl alcohol winding film and preparation method thereof Download PDF

Info

Publication number
CN112249767A
CN112249767A CN202011081700.XA CN202011081700A CN112249767A CN 112249767 A CN112249767 A CN 112249767A CN 202011081700 A CN202011081700 A CN 202011081700A CN 112249767 A CN112249767 A CN 112249767A
Authority
CN
China
Prior art keywords
winding
support
polyvinyl alcohol
fixedly connected
clamping
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.)
Withdrawn
Application number
CN202011081700.XA
Other languages
Chinese (zh)
Inventor
孔庆子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Changxin Yixun Technology Co ltd
Original Assignee
Tianjin Changxin Yixun Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Changxin Yixun Technology Co ltd filed Critical Tianjin Changxin Yixun Technology Co ltd
Priority to CN202011081700.XA priority Critical patent/CN112249767A/en
Publication of CN112249767A publication Critical patent/CN112249767A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/22Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26Cutting-off the web running to the wound web roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/08Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/17Nature of material
    • B65H2701/175Plastic
    • B65H2701/1752Polymer film

Abstract

The invention relates to preparation of a polyvinyl alcohol film, in particular to a polyvinyl alcohol winding film and a preparation method thereof, wherein the preparation method comprises the following steps: the transverse moving mechanism pushes the clamping mechanisms to move, and the two clamping mechanisms drag the polyvinyl alcohol winding film below the winding wheel; the winding wheel rotates to wind the polyvinyl alcohol winding film on the winding wheel, and the polyvinyl alcohol winding film wound on the winding wheel is gradually increased, so that the diameter of the winding wheel is increased; the winding wheel pushes the quantitative mechanism to move downwards, the quantitative mechanism pushes the winding wheel to push the material winding mechanism, and meanwhile, the quantitative mechanism pushes the cutting mechanism to cut off the polyvinyl alcohol winding film; the polyvinyl alcohol winding film preparation method also relates to a polyvinyl alcohol winding film preparation device, the polyvinyl alcohol winding film preparation device comprises a device support, a transverse moving mechanism, a clamping mechanism, a winding wheel, a quantifying mechanism, a connecting rod II and a cutting mechanism, and the polyvinyl alcohol winding film can be quickly and quantitatively wound.

Description

Polyvinyl alcohol winding film and preparation method thereof
Technical Field
The invention relates to preparation of a polyvinyl alcohol film, in particular to a polyvinyl alcohol winding film and a preparation method thereof.
Background
For example, a cord fabric winding device of publication No. CN206870361U includes a bracket, a first winding device, a second winding device, a first power mechanism and a second power mechanism; the upper part of the bracket is vertically provided with a first supporting plate and a second supporting plate; the first winding device comprises a first rotating disc, a first guide wheel and a first angle rod device, and an included angle between the central axis of the first angle rod and the right end face of the first rotating disc is 54-degree 44'; the second winding device comprises a second turntable, a second guide wheel and a second angle rod device, and an included angle between the central axis of the second angle rod and the right end face of the second turntable is 54-degree 44'; the first power mechanism controls the rotation and the rotation speed of the first rotating disc, and the second power mechanism controls the rotation and the rotation speed of the second rotating disc. The utility model has the disadvantage that the polyvinyl alcohol film can not be wound quantitatively quickly.
Disclosure of Invention
The invention aims to provide a polyvinyl alcohol winding film and a preparation method thereof, which can be used for quickly and quantitatively winding the polyvinyl alcohol film.
The purpose of the invention is realized by the following technical scheme:
a polyvinyl alcohol winding film and a preparation method thereof comprise the following steps:
the method comprises the following steps: the transverse moving mechanism pushes the clamping mechanisms to move, and the two clamping mechanisms drag the polyvinyl alcohol winding film below the winding wheel;
step two: the winding wheel rotates to wind the polyvinyl alcohol winding film on the winding wheel, and the polyvinyl alcohol winding film wound on the winding wheel is gradually increased, so that the diameter of the winding wheel is increased;
step three: the winding wheel pushes the quantitative mechanism to move downwards, the quantitative mechanism pushes the winding wheel to push the material winding mechanism, and meanwhile, the quantitative mechanism pushes the cutting mechanism to cut off the polyvinyl alcohol winding film;
the polyvinyl alcohol winding film preparation method further relates to a polyvinyl alcohol winding film preparation device, the polyvinyl alcohol winding film preparation device comprises a device support, transverse moving mechanisms, clamping mechanisms, winding wheels, quantifying mechanisms, a connecting rod II and a cutting mechanism, the two transverse moving mechanisms are fixedly connected onto the device support, the two transverse moving mechanisms are connected with the clamping mechanisms respectively, the winding mechanisms are connected onto the device support in a sliding mode, the winding wheels are connected onto the winding mechanisms, the quantifying mechanisms are connected onto the middle of the device support in a sliding mode, a compression spring I is arranged between the quantifying mechanisms and the device support, the quantifying mechanisms are located on the lower side of the winding wheels, the cutting mechanism is connected to the front end of the device support, the connecting rod II is hinged onto the device support, and the two ends of the connecting rod II are connected onto the quantifying mechanisms and the cutting mechanism in a sliding mode.
According to the preparation method of the polyvinyl alcohol winding film, the device support comprises a bottom support, a feeding support, a sliding support and hinge columns, the feeding support and the sliding support are fixedly connected to the front end and the rear end of the bottom support respectively, the hinge columns are fixedly connected to the lower end of the bottom support, the transverse moving mechanism comprises a transverse moving support and a transverse moving motor, and the transverse moving motor is fixedly connected to the transverse moving support. As a further optimization of the technical scheme, the invention discloses a preparation method of a polyvinyl alcohol winding film, and the preparation method is characterized in that
As a further optimization of the technical scheme, the invention discloses a preparation method of a polyvinyl alcohol winding film, fixture includes the grip slipper I, telescopic machanism I, grip slipper II, telescopic machanism II, the rack I, the centre gripping gear, supporting rod and centre gripping wheel, fixedly connected with telescopic machanism I on the grip slipper I, telescopic machanism I's telescopic end fixedly connected with grip slipper II, fixedly connected with telescopic machanism II on the grip slipper II, telescopic end fixedly connected with rack I of telescopic machanism II, it is connected with two centre gripping gears to rotate on the grip slipper II, two centre gripping gears all mesh the transmission with rack I, equal fixedly connected with supporting rod on two centre gripping gears, equal fixedly connected with centre gripping wheel on two supporting rods, equal sliding connection has grip slipper I on two sideslip supports, two centre gripping supports I are respectively through threaded connection on the output shaft of two sideslip motors.
As a further optimization of the technical scheme, the invention relates to a preparation method of a polyvinyl alcohol winding film, wherein a winding mechanism comprises a lifting support, a winding motor, a sliding cylinder, a transmission shaft I, discs, insertion plates, circular bulges and a transmission shaft II, the lifting support is fixedly connected with the winding support, the lifting support is slidably connected with the sliding support, the winding support is fixedly connected with the winding motor, the output shaft of the winding motor is fixedly connected with the sliding cylinder, the winding support is rotatably connected with the transmission shaft I, the transmission shaft I and the inner side of the sliding cylinder are both slidably connected with the discs, compression springs II are both fixedly connected between the two discs and the transmission shaft I and the sliding cylinder, the inner sides of the two discs are both fixedly connected with the insertion plates, the middle parts of the two insertion plates are both fixedly connected with the circular bulges, the winding support is rotatably connected with the transmission shaft II, the transmission shaft II is in transmission connection with the transmission shaft I.
As a further optimization of the technical scheme, the polyvinyl alcohol winding film preparation method comprises the steps that the winding wheel comprises a winding wheel body, slots and conical protrusions, the conical protrusions are fixedly connected to the lower end of the winding wheel body, the slots are formed in the two sides of the winding wheel body, the two inserting plates are respectively inserted into the two slots, the grooves are formed in the two slots, and the two circular protrusions are respectively inserted into the two grooves.
As a further optimization of the technical scheme, the invention discloses a preparation method of a polyvinyl alcohol winding film, wherein a quantitative mechanism comprises a quantitative bottom plate, quantitative push columns, quantitative push plates, a connecting rod I, a telescopic mechanism III and an L-shaped supporting plate, the lower end of the quantitative bottom plate is fixedly connected with the quantitative push columns, the quantitative push columns are slidably connected onto a bottom support, a compression spring I is fixedly connected between the quantitative bottom plate and the bottom support, the telescopic mechanism III is fixedly connected onto the quantitative bottom plate, the L-shaped supporting plate is fixedly connected onto the telescopic end of the telescopic mechanism III, the two quantitative push plates are arranged and are slidably connected onto the bottom support, the two quantitative push plates are respectively positioned on the inner sides of two discs, and the connecting rod I is hinged between the two quantitative push plates and the quantitative bottom.
According to the preparation method of the polyvinyl alcohol winding film, the cutting mechanism comprises two cutting supports, two cutting tools, two extrusion platforms, a sliding block and a connecting rod III, the two cutting supports are fixedly connected with the cutting tools on the inner sides of the two cutting supports, the two extrusion platforms are fixedly connected with the two cutting tools, the sliding block is connected to the feeding support in a sliding mode, the connecting rod III is hinged between the sliding block and the two cutting supports, the middle portion of the connecting rod II is hinged to the hinged column, and two ends of the connecting rod II are respectively connected to the cutting supports and the quantitative pushing column on the lower side in a sliding mode.
As a further optimization of the technical scheme, the polyvinyl alcohol winding film preparation device further comprises a pushing mechanism and a transmission mechanism, the transmission mechanism is rotatably connected to the sliding support and is in meshing transmission with the lifting support, the pushing mechanism comprises a rack II, a moving plate and a one-way push plate, the moving plate is fixedly connected to the rack II, the moving plate is provided with a plurality of one-way push plates, the racks II are fixedly connected to the two clamping supports I, and the two racks II are in meshing transmission with the transmission mechanism.
As a further optimization of the technical scheme, the polyvinyl alcohol winding film preparation device further comprises a pressing mechanism, the pressing mechanism comprises two pressing shafts, two pressing wheels and a threaded rod, the two pressing shafts are rotatably connected with the pressing wheels, the two pressing shafts are slidably connected with the feeding support, the threaded rod is rotatably connected with the feeding support, the thread turning directions of two ends of the threaded rod are opposite, and the two pressing shafts are respectively connected with two ends of the threaded rod through threads.
The polyvinyl alcohol winding film passes through the pressing mechanism and is wound on the winding wheel, and the quantitative mechanism controls the winding amount of the polyvinyl alcohol winding film on the winding wheel.
The polyvinyl alcohol winding film and the preparation method thereof have the beneficial effects that:
according to the polyvinyl alcohol winding film and the preparation method thereof, the clamping mechanisms can be pushed to move through the transverse moving mechanism, and the two clamping mechanisms drag the polyvinyl alcohol winding film below the winding wheel; the winding wheel rotates to wind the polyvinyl alcohol winding film on the winding wheel, and the polyvinyl alcohol winding film wound on the winding wheel is gradually increased, so that the diameter of the winding wheel is increased; the winding wheel pushes the quantitative mechanism to move downwards, the quantitative mechanism pushes the winding wheel to push the material winding mechanism, and meanwhile, the quantitative mechanism pushes the cutting mechanism to cut off the polyvinyl alcohol winding film; the height of the quantitative mechanism is adjusted, so that the winding amount of the polyvinyl alcohol winding film on the winding wheel can be quantitatively adjusted.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a polyvinyl alcohol wound film production apparatus according to the present invention;
FIG. 2 is a schematic view of the overall structure of a polyvinyl alcohol winding film production apparatus according to the present invention;
FIG. 3 is a schematic view of a partial structure of an apparatus for preparing a polyvinyl alcohol wound film according to the present invention;
FIG. 4 is a schematic view of the device mounting structure of the present invention;
FIG. 5 is a schematic structural view of the traversing mechanism of the present invention;
FIG. 6 is a schematic view of the clamping mechanism of the present invention;
FIG. 7 is a schematic view of the pushing mechanism of the present invention;
FIG. 8 is a schematic view of the transmission mechanism of the present invention;
FIG. 9 is a schematic view of the winding mechanism of the present invention;
FIG. 10 is a schematic view of the winding wheel configuration of the present invention;
FIG. 11 is a schematic view of the dosing mechanism of the present invention;
FIG. 12 is a schematic view of the cutting mechanism of the present invention;
fig. 13 is a schematic structural view of the pressing mechanism of the present invention.
In the figure: a device holder 1; a bottom bracket 101; a feeding support 102; a sliding bracket 103; a hinge post 104; a traversing mechanism 2; a traverse support 201; a traverse motor 202; a clamping mechanism 3; the clamping bracket I301; a telescoping mechanism I302; a clamping bracket II 303; a telescoping mechanism II 304; a rack I305; a clamp gear 306; a clamping bar 307; a clamping wheel 308; a pushing mechanism 4; a rack II 401; a moving plate 402; a one-way push plate 403; a transmission mechanism 5; a winding mechanism 6; a lifting bracket 601; a winding support 602; a winding motor 603; a slide cylinder 604; a transmission shaft I605; a puck 606; a plug board 607; a circular protrusion 608; a transmission shaft II 609; a winding wheel 7; a winding wheel body 701; a slot 702; a tapered protrusion 703; a dosing mechanism 8; a quantitative bottom plate 801; a quantitative push post 802; a quantitative push plate 803; a connecting rod I804; a telescoping mechanism III 805; an L-shaped strut plate 806; a connecting rod II 9; a cutting mechanism 10; a cutting bracket 1001; a cutting tool 1002; a pressing platform 1003; a slider 1004; a connecting rod III 1005; a material pressing mechanism 11; a swaging shaft 1101; a nip wheel 1102; a threaded rod 1103.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly or indirectly connected through an intermediate medium, and may be a communication between two members. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.
The first embodiment is as follows:
the present embodiment, a polyvinyl alcohol wrap film and a method for manufacturing the same, will be described below with reference to fig. 1 to 13, including the steps of:
the method comprises the following steps: the transverse moving mechanism 2 pushes the clamping mechanisms 3 to move, and the two clamping mechanisms 3 drag the polyvinyl alcohol winding film below the winding wheel 7;
step two: the winding wheel 7 rotates to wind the polyvinyl alcohol winding film on the winding wheel 7, and the polyvinyl alcohol winding film wound on the winding wheel 7 is gradually increased, so that the diameter of the winding wheel 7 is enlarged;
step three: the winding wheel 7 pushes the quantifying mechanism 8 to move downwards, the quantifying mechanism 8 pushes the winding wheel 7 to push the winding mechanism 6, and meanwhile, the quantifying mechanism 8 pushes the cutting mechanism 10 to cut off the polyvinyl alcohol winding film;
the preparation method of the polyvinyl alcohol winding film also relates to a preparation device of the polyvinyl alcohol winding film, the preparation device of the polyvinyl alcohol winding film comprises a device bracket 1, a transverse moving mechanism 2, a clamping mechanism 3 and a winding mechanism 6, winding wheel 7, dosing mechanism 8, connecting rod II 9 and shutdown mechanism 10, two sideslip mechanisms 2 of fixedly connected with on the device support 1, all be connected with fixture 3 on two sideslip mechanisms 2, 6 sliding connection of winding mechanism are on device support 1, be connected with winding wheel 7 on the winding mechanism 6, the middle part sliding connection of device support 1 has dosing mechanism 8, be provided with compression spring I between dosing mechanism 8 and the device support 1, dosing mechanism 8 is located the downside of winding wheel 7, the front end of device support 1 is connected with shutdown mechanism 10, it has connecting rod II 9 to articulate on the device support 1, sliding connection is on dosing mechanism 8 and shutdown mechanism 10 respectively at the both ends of connecting rod II 9.
The second embodiment is as follows:
the present embodiment is described below with reference to fig. 1 to 13, and the present embodiment further describes the first embodiment, where the apparatus support 1 includes a bottom support 101, a feeding support 102, a sliding support 103, and a hinge column 104, the feeding support 102 and the sliding support 103 are respectively fixedly connected to the front end and the rear end of the bottom support 101, the hinge column 104 is fixedly connected to the lower end of the bottom support 101, the traversing mechanism 2 includes a traversing support 201 and a traversing motor 202, and the traversing support 201 is fixedly connected to the traversing motor 202.
The third concrete implementation mode:
the embodiment will be described with reference to fig. 1 to 13, and the embodiment will be further described, wherein the clamping mechanism 3 comprises a clamping bracket i 301, a telescoping mechanism i 302, a clamping bracket ii 303, a telescoping mechanism ii 304, a rack i 305, a clamping gear 306, clamping rods 307 and clamping wheels 308, the telescoping mechanism i 302 is fixedly connected to the clamping bracket i 301, the telescoping end of the telescoping mechanism i 302 is fixedly connected to the clamping bracket ii 303, the telescoping mechanism ii 304 is fixedly connected to the clamping bracket ii 303, the rack i 305 is fixedly connected to the telescoping end of the telescoping mechanism ii 304, two clamping gears 306 are rotatably connected to the clamping bracket ii 303, the two clamping gears 306 are engaged with the rack i 305 for transmission, the clamping rods 307 are fixedly connected to the two clamping gears 306, the clamping wheels 308 are fixedly connected to the two clamping rods 307, the clamping brackets i 301 are slidably connected to the two clamping brackets 201, the two clamping brackets I301 are respectively connected to output shafts of the two transverse moving motors 202 through threads; the two traverse motors 202 are started, the output shafts of the two traverse motors 202 start to rotate, the two traverse motors 202 respectively drive the corresponding clamping brackets I301 to move through threads, the two clamping mechanisms 3 move to enable the clamping mechanisms 3 to move to the side of the material pressing mechanism 11, when attention needs to be paid, a polyvinyl alcohol wound film needs to be manually placed between the two clamping mechanisms 3 during first processing, manual feeding is not needed during second processing, the telescopic mechanism II 304 is started, the telescopic mechanism II 304, the telescopic mechanism I302 and the telescopic mechanism III 805 can be hydraulic cylinders or electric push rods, the telescopic end of the telescopic mechanism II 304 drives the rack I305 to move, the rack I305 drives the two clamping gears 306 to rotate, the two clamping gears 306 respectively drive the two clamping rods 307 to swing, and the two clamping rods 307 respectively drive the two clamping wheels 308 to swing, the two clamping wheels 308 extrude and clamp the polyvinyl alcohol winding film, the traversing motor 202 is rotated in the direction, the output shaft of the traversing motor 202 drives the two clamping mechanisms 3 to move, so that the two clamping mechanisms 3 move to the lower side of the winding wheel 7, meanwhile, when the two clamping mechanisms 3 move, the two clamping mechanisms 3 respectively drive the two pushing mechanisms 4 to move, the two pushing mechanisms 4 drive the transmission mechanism 5 to rotate, the transmission mechanism 5 drives the winding mechanism 6 to move downwards, the winding mechanism 6 drives the winding wheel 7 to move downwards, the tapered protrusions 703 are simultaneously inserted into the polyvinyl alcohol wound film when the two holding mechanisms 3 are moved to a designated position, and the tapered protrusions 703 may be provided as connection fixtures, such as holding mechanisms, or glue, etc., which has the main function of enabling the connection between the winding wheel 7 and the polyvinyl alcohol winding film.
The fourth concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 13, and further described in this embodiment, the winding mechanism 6 includes a lifting bracket 601, a winding bracket 602, a winding motor 603, a sliding cylinder 604, a transmission shaft i 605, a disk 606, an insertion plate 607, a circular protrusion 608 and a transmission shaft ii 609, the lifting bracket 601 is fixedly connected with the winding bracket 602, the lifting bracket 601 is slidably connected with the sliding bracket 103, the winding bracket 602 is fixedly connected with the winding motor 603, an output shaft of the winding motor 603 is fixedly connected with the sliding cylinder 604, the winding bracket 602 is rotatably connected with the transmission shaft i 605, inner sides of the transmission shaft i 605 and the sliding cylinder 604 are both slidably connected with the disk 606, compression springs ii are both fixedly connected between the two disks 606 and the transmission shaft i 605 and the sliding cylinder 604, inner sides of the two disks 606 are both fixedly connected with the insertion plate 607, middle parts of the two insertion plates 607 are both fixedly connected with the circular protrusion, a transmission shaft II 609 is rotatably connected to the winding support 602, an output shaft of the winding motor 603 is in transmission connection with the transmission shaft II 609, and the transmission shaft II 609 is in transmission connection with the transmission shaft I605; start II 304 of telescopic machanism, II 304 of telescopic machanism drive I305 of rack and move, two centre gripping wheels 308 are opened the polyvinyl alcohol winding membrane, start winding motor 603, the output shaft of winding motor 603 drives sliding cylinder 604 and II 609 of transmission shaft and rotates, II 609 of transmission shaft drives I605 of transmission shaft and rotates, I605 of transmission shaft drives disc 606 and rotates, two discs 606 drive winding wheel 7 and rotate, make winding wheel 7 twine the polyvinyl alcohol winding membrane and take in.
The fifth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1 to 13, and the present embodiment further describes an embodiment four, where the winding wheel 7 includes a winding wheel body 701, slots 702 and tapered protrusions 703, the tapered protrusions 703 are fixedly connected to the lower end of the winding wheel body 701, the slots 702 are respectively disposed on two sides of the winding wheel body 701, two insert plates 607 are respectively inserted into the two slots 702, two slots 702 are respectively disposed with grooves, and two circular protrusions 608 are respectively inserted into the two grooves.
The sixth specific implementation mode:
the present embodiment is described below with reference to fig. 1 to 13, and the fifth embodiment is further described in the present embodiment, where the quantitative mechanism 8 includes a quantitative bottom plate 801, a quantitative push rod 802, a quantitative push plate 803, a connecting rod i 804, a telescopic mechanism iii 805, and an L-shaped supporting plate 806, the lower end of the quantitative bottom plate 801 is fixedly connected with the quantitative push rod 802, the quantitative push rod 802 is slidably connected to the bottom bracket 101, a compression spring i is fixedly connected between the quantitative bottom plate 801 and the bottom bracket 101, a telescopic mechanism iii 805 is fixedly connected to the quantitative bottom plate 801, the telescopic end of the telescopic mechanism iii 805 is fixedly connected with the L-shaped supporting plate 806, two quantitative push plates 803 are provided, two quantitative push plates 803 are both slidably connected to the bottom bracket 101, the two quantitative push plates 803 are respectively located at the inner sides of two discs 606, and a connecting rod i 804 is hinged between the; when the polyvinyl alcohol winding film on the winding wheel 7 is gradually increased, the winding diameter of the winding wheel 7 is gradually enlarged, when the winding diameter of the winding wheel 7 is large to a specified degree, the winding wheel 7 pushes the L-shaped supporting plate 806 to move downwards, the L-shaped supporting plate 806 drives the telescopic mechanism III 805 to move downwards, the telescopic mechanism III 805 drives the quantitative bottom plate 801 to move downwards, the quantitative bottom plate 801 drives the quantitative pushing column 802 to move downwards, the quantitative pushing column 802 pushes the rear end of the connecting rod II 9 to incline downwards, the front end of the connecting rod II 9 to incline upwards, meanwhile, the quantitative bottom plate 801 pushes the two quantitative pushing plates 803 to be away from each other, the two quantitative pushing plates 803 respectively push the two discs 606 to be away from each other, the two discs 606 drive the inserting plate 607 to be separated from the winding wheel 7, and the winding wheel 7 falls on the L-shaped supporting plate.
The seventh embodiment:
the present embodiment is described below with reference to fig. 1 to 13, and the sixth embodiment is further described in the present embodiment, where the cutting mechanism 10 includes two cutting supports 1001, two cutting tools 1002, two extrusion platforms 1003, two sliding blocks 1004 and two connecting rods iii 1005, the two cutting supports 1001 are fixedly connected to the cutting tools 1002 at the inner sides of the two cutting supports 1001, the two cutting tools 1002 are fixedly connected to the extrusion platforms 1003, the sliding block 1004 is slidably connected to the loading support 102, the two connecting rods iii 1005 are respectively hinged between the sliding block 1004 and the two cutting supports 1001, the middle portion of the connecting rod ii 9 is hinged to the hinge post 104, and the two ends of the connecting rod ii 9 are respectively slidably connected to the cutting support 1001 and the quantitative pushing post 802 located at the lower side.
The specific implementation mode is eight:
the following describes the embodiment with reference to fig. 1 to 13, and the seventh embodiment is further described in the embodiment, the polyvinyl alcohol winding film preparation apparatus further includes a pushing mechanism 4 and a transmission mechanism 5, the transmission mechanism 5 is rotatably connected to the sliding support 103, the transmission mechanism 5 is in meshing transmission with the lifting support 601, the pushing mechanism 4 includes a rack ii 401, a moving plate 402 and a one-way push plate 403, the moving plate 402 is fixedly connected to the rack ii 401, the moving plate 402 is provided with a plurality of one-way push plates 403, racks ii 401 are fixedly connected to the two clamping supports i 301, and the two racks ii 401 are in meshing transmission with the transmission mechanism 5; meanwhile, the two extrusion platforms 1003 extrude the polyvinyl alcohol winding film, the traverse motor 202 is started, the output shaft of the traverse motor 202 drives the clamping mechanism 3 to move, the clamping mechanism 3 moves forwards, the clamping mechanism 3 drives the pushing mechanism 4 to move forwards, the pushing mechanism 4 drives the transmission mechanism 5 to rotate, the transmission mechanism 5 drives the winding mechanism 6 to move upwards, the two clamping mechanisms 3 move to a position between the cutting mechanism 10 and the pressing mechanism 11 again, the cutting mechanism 10 is still in a closed state because the winding wheel 7 is also positioned on the L-shaped supporting plate 806, and as shown in fig. 7, a plurality of unidirectional push plates 403 arranged on the moving plate 402 can be made of elastic materials or can be a combination of hinged plates and springs, and the main function is to ensure that when the moving plate 402 moves forwards, the plurality of unidirectional push plates 403 push the winding wheel 7 to be soft push, stop down at L shape fagging 806, guarantee that winding wheel 7 can not break away from L shape fagging 806, after the clamping of polyvinyl alcohol winding membrane is accomplished once more to two fixture 3, when two fixture 3 move backward, a plurality of one-way push pedal 403 promote winding wheel 7 and break away from L shape fagging 806, do not have the effect of gravity on the L shape fagging 806, and quantitative mechanism 8 and shutdown mechanism 10 reset, guarantee that two fixture 3 can move the downside of winding wheel 7.
The specific implementation method nine:
the following describes the present embodiment with reference to fig. 1 to 13, and the present embodiment further describes an eighth embodiment, the polyvinyl alcohol winding film manufacturing apparatus further includes a material pressing mechanism 11, the material pressing mechanism 11 includes two material pressing shafts 1101, two material pressing wheels 1102 and a threaded rod 1103, the two material pressing shafts 1101 are rotatably connected to the two material pressing shafts 1101, the two material pressing shafts 1101 are slidably connected to the material loading bracket 102, the threaded rod 1103 is rotatably connected to the material loading bracket 102, the thread directions of two ends of the threaded rod 1103 are opposite, and the two material pressing shafts 1101 are respectively connected to two ends of the threaded rod 1103 through threads; during the use, a polyvinyl alcohol winding film needing to be wound passes between the two pressing wheels 1102, the threaded rod 1103 is rotated, the threaded rod 1103 drives the two pressing shafts 1101 to move through threads when rotating, the two pressing shafts 1101 are close to or far away from each other, the two pressing shafts 1101 drive the two pressing wheels 1102 to be close to or far away from each other, and the two pressing wheels 1102 extrude the polyvinyl alcohol winding film.
The polyvinyl alcohol winding film passes through a pressing mechanism 11 and is wound on a winding wheel 7, and a quantifying mechanism 8 controls the winding amount of the polyvinyl alcohol winding film on the winding wheel 7.
The invention relates to a polyvinyl alcohol winding film and a preparation method thereof, wherein the working principle is as follows:
when the polyvinyl alcohol winding film winding device is used, a polyvinyl alcohol winding film to be wound penetrates between two material pressing wheels 1102, the threaded rod 1103 is rotated, the threaded rod 1103 drives the two material pressing shafts 1101 to move through threads when rotating, the two material pressing shafts 1101 are close to or far away from each other, the two material pressing shafts 1101 drive the two material pressing wheels 1102 to be close to or far away from each other, and the two material pressing wheels 1102 extrude the polyvinyl alcohol winding film; the two traverse motors 202 are started, the output shafts of the two traverse motors 202 start to rotate, the two traverse motors 202 respectively drive the corresponding clamping brackets I301 to move through threads, the two clamping mechanisms 3 move to enable the clamping mechanisms 3 to move to the side of the material pressing mechanism 11, when attention needs to be paid, a polyvinyl alcohol wound film needs to be manually placed between the two clamping mechanisms 3 during first processing, manual feeding is not needed during second processing, the telescopic mechanism II 304 is started, the telescopic mechanism II 304, the telescopic mechanism I302 and the telescopic mechanism III 805 can be hydraulic cylinders or electric push rods, the telescopic end of the telescopic mechanism II 304 drives the rack I305 to move, the rack I305 drives the two clamping gears 306 to rotate, the two clamping gears 306 respectively drive the two clamping rods 307 to swing, and the two clamping rods 307 respectively drive the two clamping wheels 308 to swing, the two clamping wheels 308 extrude and clamp the polyvinyl alcohol winding film, the traversing motor 202 is rotated in the direction, the output shaft of the traversing motor 202 drives the two clamping mechanisms 3 to move, so that the two clamping mechanisms 3 move to the lower side of the winding wheel 7, meanwhile, when the two clamping mechanisms 3 move, the two clamping mechanisms 3 respectively drive the two pushing mechanisms 4 to move, the two pushing mechanisms 4 drive the transmission mechanism 5 to rotate, the transmission mechanism 5 drives the winding mechanism 6 to move downwards, the winding mechanism 6 drives the winding wheel 7 to move downwards, the tapered protrusions 703 are simultaneously inserted into the polyvinyl alcohol wound film when the two holding mechanisms 3 are moved to a designated position, and the tapered protrusions 703 may be provided as connection fixtures, such as holding mechanisms, or glue, etc. which connects the winding wheel 7 and the polyvinyl alcohol winding film during the main function; the second telescopic mechanism 304 is started, the second telescopic mechanism 304 drives the rack I305 to move, the two clamping wheels 308 release the polyvinyl alcohol winding film, the winding motor 603 is started, an output shaft of the winding motor 603 drives the sliding cylinder 604 and the transmission shaft II 609 to rotate, the transmission shaft II 609 drives the transmission shaft I605 to rotate, the transmission shaft I605 drives the disc 606 to rotate, and the two discs 606 drive the winding wheels 7 to rotate, so that the winding wheels 7 wind and store the polyvinyl alcohol winding film; when the polyvinyl alcohol winding film on the winding wheel 7 is gradually increased, the winding diameter of the winding wheel 7 is gradually enlarged, when the winding diameter of the winding wheel 7 is large to a specified degree, the winding wheel 7 pushes the L-shaped supporting plate 806 to move downwards, the L-shaped supporting plate 806 drives the telescopic mechanism III 805 to move downwards, the telescopic mechanism III 805 drives the quantitative bottom plate 801 to move downwards, the quantitative bottom plate 801 drives the quantitative pushing column 802 to move downwards, the quantitative pushing column 802 pushes the rear end of the connecting rod II 9 to incline downwards, the front end of the connecting rod II 9 to incline upwards, meanwhile, the quantitative bottom plate 801 pushes the two quantitative pushing plates 803 to be away from each other, the two quantitative pushing plates 803 respectively push the two discs 606 to be away from each other, the two discs 606 drive the inserting plate 607 to be separated from the winding wheel 7, and the winding wheel 7 falls on the L-shaped supporting plate; the pushing connecting rod II 9 pushes the cutting supports 1001 on the lower side to move upwards, the two cutting supports 1001 move close to each other, the two cutting tools 1002 cut the polyvinyl alcohol wound film, and the two cutting tools 1002 can be tools in the prior art; meanwhile, the two extrusion platforms 1003 extrude the polyvinyl alcohol winding film, the traverse motor 202 is started, the output shaft of the traverse motor 202 drives the clamping mechanism 3 to move, the clamping mechanism 3 moves forwards, the clamping mechanism 3 drives the pushing mechanism 4 to move forwards, the pushing mechanism 4 drives the transmission mechanism 5 to rotate, the transmission mechanism 5 drives the winding mechanism 6 to move upwards, the two clamping mechanisms 3 move to a position between the cutting mechanism 10 and the pressing mechanism 11 again, the cutting mechanism 10 is still in a closed state because the winding wheel 7 is also positioned on the L-shaped supporting plate 806, and as shown in fig. 7, a plurality of unidirectional push plates 403 arranged on the moving plate 402 can be made of elastic materials or can be a combination of hinged plates and springs, and the main function is to ensure that when the moving plate 402 moves forwards, the plurality of unidirectional push plates 403 push the winding wheel 7 to be soft push, the winding wheel 7 is prevented from being separated from the L-shaped supporting plate 806 under the blocking of the L-shaped supporting plate 806, when the two clamping mechanisms 3 finish clamping the polyvinyl alcohol winding film again and the two clamping mechanisms 3 move backwards, the plurality of one-way push plates 403 push the winding wheel 7 to be separated from the L-shaped supporting plate 806, the L-shaped supporting plate 806 has no gravity effect, the quantifying mechanism 8 and the cutting mechanism 10 reset, and the two clamping mechanisms 3 can move to the lower side of the winding wheel 7; by starting the telescopic mechanism III 805, the horizontal height of the L-shaped supporting plate 806 is adjusted by the telescopic end of the telescopic mechanism III 805, so that the accommodating amount of the winding wheel 7 can be adjusted; simultaneously, when the two clamping mechanisms 3 are positioned between the pressing mechanism 11 and the cutting mechanism 10 to clamp the polyvinyl alcohol winding film, a new winding wheel 7 is clamped between the two inserting plates 607, the conical protrusions 703 are ensured to be positioned at the lower side during clamping, and the device can repeatedly work and can rapidly and quantitatively wind a plurality of winding wheels 7.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (10)

1. A preparation method of a polyvinyl alcohol winding film is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: the transverse moving mechanism (2) pushes the clamping mechanisms (3) to move, and the two clamping mechanisms (3) drag the polyvinyl alcohol winding film below the winding wheel (7);
step two: the winding wheel (7) rotates to wind the polyvinyl alcohol winding film on the winding wheel (7), and the polyvinyl alcohol winding film wound on the winding wheel (7) is gradually increased, so that the diameter of the winding wheel (7) is enlarged;
step three: the winding wheel (7) pushes the quantifying mechanism (8) to move downwards, the quantifying mechanism (8) pushes the winding wheel (7) to push the material winding mechanism (6), and meanwhile, the quantifying mechanism (8) pushes the cutting mechanism (10) to cut off the polyvinyl alcohol winding film;
the polyvinyl alcohol winding film preparation method also relates to a polyvinyl alcohol winding film preparation device, the polyvinyl alcohol winding film preparation device comprises a device support (1), two transverse moving mechanisms (2), a clamping mechanism (3), a winding mechanism (6), a winding wheel (7), a quantifying mechanism (8), a connecting rod II (9) and a cutting mechanism (10), the two transverse moving mechanisms (2) are fixedly connected to the device support (1), the clamping mechanism (3) is connected to the two transverse moving mechanisms (2), the winding mechanism (6) is connected to the device support (1) in a sliding manner, the winding wheel (7) is connected to the winding mechanism (6), the quantifying mechanism (8) is connected to the middle of the device support (1) in a sliding manner, a compression spring I is arranged between the quantifying mechanism (8) and the device support (1), and the quantifying mechanism (8) is positioned on the lower side of the winding wheel (7), the front end of the device support (1) is connected with a cutting mechanism (10), a connecting rod II (9) is hinged to the device support (1), and two ends of the connecting rod II (9) are respectively connected to the quantifying mechanism (8) and the cutting mechanism (10) in a sliding mode.
2. The method for preparing a polyvinyl alcohol winding film according to claim 1, wherein the method comprises the following steps: the device support (1) comprises a bottom support (101), a feeding support (102), a sliding support (103) and hinge columns (104), wherein the front end and the rear end of the bottom support (101) are respectively and fixedly connected with the feeding support (102) and the sliding support (103), the lower end of the bottom support (101) is fixedly connected with the hinge columns (104), a transverse moving mechanism (2) comprises a transverse moving support (201) and a transverse moving motor (202), and the transverse moving support (201) is fixedly connected with the transverse moving motor (202).
3. The method for preparing a polyvinyl alcohol winding film according to claim 2, wherein: the clamping mechanism (3) comprises a clamping support I (301), a telescopic mechanism I (302), a clamping support II (303), a telescopic mechanism II (304), a rack I (305), a clamping gear (306), a clamping rod (307) and clamping wheels (308), the telescopic mechanism I (302) is fixedly connected onto the clamping support I (301), the telescopic end of the telescopic mechanism I (302) is fixedly connected with the clamping support II (303), the telescopic mechanism II (304) is fixedly connected onto the clamping support II (303), the rack I (305) is fixedly connected onto the telescopic end of the telescopic mechanism II (304), the two clamping gears (306) are rotatably connected onto the clamping support II (303), the two clamping gears (306) are meshed with the rack I (305) for transmission, the clamping rods (307) are fixedly connected onto the two clamping gears (306), and the clamping wheels (308) are fixedly connected onto the two clamping rods (307), all sliding connection has centre gripping support I (301) on two sideslip supports (201), and two centre gripping supports I (301) are respectively through threaded connection on the output shaft of two sideslip motors (202).
4. The method for preparing a polyvinyl alcohol winding film according to claim 3, wherein: the winding mechanism (6) comprises a lifting support (601), a winding support (602), a winding motor (603), a sliding cylinder (604), a transmission shaft I (605), discs (606), insertion plates (607), a circular protrusion (608) and a transmission shaft II (609), the lifting support (601) is fixedly connected with the winding support (602), the lifting support (601) is slidably connected with the sliding support (103), the winding support (602) is fixedly connected with the winding motor (603), an output shaft of the winding motor (603) is fixedly connected with the sliding cylinder (604), the winding support (602) is rotatably connected with the transmission shaft I (605), the inner sides of the transmission shaft I (605) and the sliding cylinder (604) are both slidably connected with the discs (606), compression springs II are fixedly connected between the two discs (606) and between the transmission shaft I (605) and the sliding cylinder (604), the inner sides of the two discs (606) are both fixedly connected with the insertion plates (607), the middle parts of the two inserting plates (607) are fixedly connected with circular protrusions (608), the winding support (602) is connected with a transmission shaft II (609) in a rotating mode, an output shaft of the winding motor (603) is in transmission connection with the transmission shaft II (609), and the transmission shaft II (609) is in transmission connection with the transmission shaft I (605).
5. The method for preparing a polyvinyl alcohol winding film according to claim 4, wherein the method comprises the following steps: the winding wheel (7) comprises a winding wheel body (701), slots (702) and conical protrusions (703), the conical protrusions (703) are fixedly connected to the lower end of the winding wheel body (701), the slots (702) are formed in the two sides of the winding wheel body (701), two inserting plates (607) are respectively inserted into the two slots (702), grooves are formed in the two slots (702), and the two circular protrusions (608) are respectively inserted into the two grooves.
6. The method for preparing a polyvinyl alcohol winding film according to claim 5, wherein: the quantitative mechanism (8) comprises a quantitative bottom plate (801), a quantitative push column (802), a quantitative push plate (803), a connecting rod I (804), a telescopic mechanism III (805) and an L-shaped supporting plate (806), lower extreme fixedly connected with ration bottom plate (801) pushes away post (802) quantitatively, ration pushes away post (802) sliding connection on bottom support (101), fixedly connected with compression spring I between ration bottom plate (801) and bottom support (101), fixedly connected with telescopic machanism III (805) on ration bottom plate (801), telescopic machanism III (805)'s flexible end fixedly connected with L shape fagging (806), ration push pedal (803) are provided with two, two equal sliding connection of ration push pedal (803) are on bottom support (101), two ration push pedal (803) are located the inboard of two discs (606) respectively, all articulate between two ration push pedal (803) and ration bottom plate (801) has connecting rod I (804).
7. The method for preparing a polyvinyl alcohol winding film according to claim 6, wherein: cutting mechanism (10) is including cutting off support (1001), cutoff tool (1002), extrusion platform (1003), sliding block (1004) and connecting rod III (1005), it is provided with two to cut off support (1001), two equal fixedly connected with cutoff tool (1002) of inboard that cut off support (1001), equal fixedly connected with extrusion platform (1003) on two cutoff tool (1002), sliding block (1004) sliding connection is on material loading support (102), sliding block (1004) and two all articulate between support (1001) have connecting rod III (1005), the middle part of connecting rod II (9) articulates on articulated column (104), sliding connection is respectively on cutting off support (1001) and quantitative push column (802) that are located the downside in the both ends of connecting rod II (9).
8. The method for preparing a polyvinyl alcohol winding film according to claim 7, wherein: polyvinyl alcohol winding membrane preparation facilities still includes pushing mechanism (4) and drive mechanism (5), drive mechanism (5) rotate to be connected on sliding support (103), drive mechanism (5) and lifting support (601) meshing transmission, pushing mechanism (4) are including rack II (401), movable plate (402) and one-way push pedal (403), fixedly connected with movable plate (402) are gone up in rack II (401), be provided with a plurality of one-way push pedal (403) on movable plate (402), equal fixedly connected with rack II (401) are gone up in two centre gripping supports I (301), two rack II (401) all mesh transmission with drive mechanism (5).
9. The method for preparing a polyvinyl alcohol winding film according to claim 8, wherein: the polyvinyl alcohol winding film preparation device further comprises a pressing mechanism (11), the pressing mechanism (11) comprises two pressing shafts (1101), pressing wheels (1102) and a threaded rod (1103), the two pressing shafts (1101) are provided with two pressing wheels, the two pressing wheels (1102) are rotationally connected to the two pressing shafts (1101), the two pressing shafts (1101) are connected to the feeding support (102) in a sliding mode, the threaded rod (1103) is rotationally connected to the feeding support (102), the thread directions of the two ends of the threaded rod (1103) are opposite, and the two pressing shafts (1101) are respectively connected to the two ends of the threaded rod (1103) through threads.
10. The polyvinyl alcohol winding film prepared by the method for preparing the polyvinyl alcohol winding film according to claim 9, wherein: the polyvinyl alcohol winding film penetrates through the pressing mechanism (11) and is wound on the winding wheel (7), and the quantitative mechanism (8) controls the winding amount of the polyvinyl alcohol winding film on the winding wheel (7).
CN202011081700.XA 2020-10-12 2020-10-12 Polyvinyl alcohol winding film and preparation method thereof Withdrawn CN112249767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011081700.XA CN112249767A (en) 2020-10-12 2020-10-12 Polyvinyl alcohol winding film and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011081700.XA CN112249767A (en) 2020-10-12 2020-10-12 Polyvinyl alcohol winding film and preparation method thereof

Publications (1)

Publication Number Publication Date
CN112249767A true CN112249767A (en) 2021-01-22

Family

ID=74241955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011081700.XA Withdrawn CN112249767A (en) 2020-10-12 2020-10-12 Polyvinyl alcohol winding film and preparation method thereof

Country Status (1)

Country Link
CN (1) CN112249767A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428697A (en) * 2021-08-30 2021-09-24 徐州云兴电子科技有限公司 Electrician's shrink area production roll-up device
CN114435661A (en) * 2022-03-28 2022-05-06 深圳市广源电脑绣花有限公司 Lifting conveying device applied to embroidered cloth

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428697A (en) * 2021-08-30 2021-09-24 徐州云兴电子科技有限公司 Electrician's shrink area production roll-up device
CN114435661A (en) * 2022-03-28 2022-05-06 深圳市广源电脑绣花有限公司 Lifting conveying device applied to embroidered cloth
CN114435661B (en) * 2022-03-28 2023-08-01 深圳市广源电脑绣花有限公司 Lifting transportation device applied to embroidery cloth

Similar Documents

Publication Publication Date Title
CN112249767A (en) Polyvinyl alcohol winding film and preparation method thereof
CN113319449A (en) Laser cutting equipment for pipe machining
CN212311814U (en) Brake shoe anchor clamps
CN114275624B (en) Quantitative winding device for wire production
CN113351934B (en) Petroleum barrel recycling and reprocessing device
CN112344104A (en) Pipeline support suitable for multi-size pipeline calibers and working method thereof
CN210682753U (en) Cable winding machine convenient to fix
CN116337375A (en) Tension detection equipment for spring production
CN110899767A (en) Motor end cover through hole boring equipment
CN111919702B (en) Nursery stock packagine machine
CN217019068U (en) Precise laser pipe cutting machine
CN108357978B (en) A kind of automatic coiling recyclable device
CN112623861B (en) Wire coiling device capable of uniformly arranging wires for electrical equipment
CN220617929U (en) Coiling machine suitable for high-speed wire winding
CN216105253U (en) Adjustable prevents empting cable pay off rack
CN219585522U (en) Winding device for rubber-insulated-wire cable production line
CN219031375U (en) Winding machine with adjustable wire harness inner diameter
CN218747228U (en) Motor end cover machining clamp
CN212638722U (en) Automatic filing device for blue-ray disc library
CN210525113U (en) Multi-angle rotating clamping mechanical arm for removing burrs of glass fiber anchor rod
CN220299949U (en) Rewinding machine for lithium battery termination adhesive tape production
CN220564013U (en) Winding device for cable preparation
CN210944249U (en) Winder convenient to use
CN213622722U (en) Positioning and clamping device for wear-resistant waterproof wallpaper reel
CN218086407U (en) Novel automatic pillow rolling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210122