CN112474177B - Roll-shaped heat insulation material gum dipping method and equipment thereof - Google Patents

Roll-shaped heat insulation material gum dipping method and equipment thereof Download PDF

Info

Publication number
CN112474177B
CN112474177B CN202011322446.8A CN202011322446A CN112474177B CN 112474177 B CN112474177 B CN 112474177B CN 202011322446 A CN202011322446 A CN 202011322446A CN 112474177 B CN112474177 B CN 112474177B
Authority
CN
China
Prior art keywords
winding drum
heat insulation
insulation material
roll
glue solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011322446.8A
Other languages
Chinese (zh)
Other versions
CN112474177A (en
Inventor
邹军锋
荆慧
梁鹏
凤小让
于飞
安日红
梁磊
李曼曼
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.)
Yangquan Aerospace Materials Application Technology Branch Of Aerospace Architecture Design And Research Institute Co ltd
Original Assignee
Yangquan Aerospace Materials Application Technology Branch Of Aerospace Architecture Design And Research Institute 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 Yangquan Aerospace Materials Application Technology Branch Of Aerospace Architecture Design And Research Institute Co ltd filed Critical Yangquan Aerospace Materials Application Technology Branch Of Aerospace Architecture Design And Research Institute Co ltd
Priority to CN202011322446.8A priority Critical patent/CN112474177B/en
Publication of CN112474177A publication Critical patent/CN112474177A/en
Application granted granted Critical
Publication of CN112474177B publication Critical patent/CN112474177B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02Means for manipulating or holding work, e.g. for separate articles for particular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00Processes for applying liquids or other fluent materials
    • B05D1/18Processes for applying liquids or other fluent materials performed by dipping

Landscapes

  • Coating Apparatus (AREA)

Abstract

The invention provides a roll-shaped heat insulation material dipping method and equipment thereof, wherein the roll-shaped heat insulation material dipping method comprises the following steps: step S1, arranging a heat insulation material in a roll shape, wherein the roll is completely immersed in glue solution; and S2, radially extruding the winding drum from the outside, wherein the radial pressure born by the winding drum is circularly changed and used for forcing the heat insulation material to perform breathing radial expansion and contraction, and sucking the glue solution after the heat insulation material exhales the air in the winding drum. According to the invention, the winding drum is extruded by the tool, so that radial pressure is generated on the winding drum, and gas in the coiled material is continuously discharged, so that the gum dipping efficiency and effect are greatly improved.

Description

Roll-shaped heat insulation material gum dipping method and equipment thereof
Technical Field
The invention relates to the technical field of green energy-saving buildings, in particular to a roll-shaped heat insulation material dipping method and equipment thereof.
Background
At present, the heat insulation material is used as a green energy-saving material in the building, and takes aerogel felt as an example, wherein the aerogel felt is formed by taking silica aerogel as a main raw material and doping common glass fibers. The product improves the high temperature resistance limit of common glass fiber at 400 ℃, has heat insulation performance which is 3 to 8 times that of the traditional material, can resist the high temperature of more than 700 ℃, has the characteristics of flatness, mechanical resistance and easy processing, has extremely low heat conductivity coefficient, and is a novel material in the application field of industrial heat preservation and heat insulation.
The existing gum dipping method has more defects, for example, in order to fully and thoroughly soak the gum felts, most of the gum felts need to be immersed in the gum solution after being unfolded, so that the occupied area is large during production, the production cost is high and the efficiency is low; when the roll type glue dipping is adopted, bubbles in the glue felt can not be removed, the glue solution can not be fully and thoroughly dipped, namely the glue can not fully soak the coiled material, and the heat insulation performance is reduced.
Disclosure of Invention
The invention aims to provide a roll-shaped heat insulation material dipping method and equipment thereof, which are used for solving at least one technical problem in the prior art.
In order to solve the technical problems, the invention provides a roll-shaped heat insulation material dipping method, which comprises the following steps:
step S1, arranging a heat insulation material in a roll shape, wherein the roll is completely immersed in glue solution;
and S2, radially extruding the winding drum from the outside, wherein the radial pressure born by the winding drum is circularly changed and used for forcing the heat insulation material to perform breathing radial expansion and contraction, and sucking the glue solution after the heat insulation material exhales the air in the winding drum.
Further, the variation cycle of the radial pressure of the winding drum is 2-50 seconds/time; the pressurizing time is 5-100 seconds each time; the radial pressure is 5 kilopascals to 100 kilopascals.
According to the invention, the winding drum is extruded by the tool, so that radial pressure is generated on the winding drum, the winding drum rotates and/or the tool moves radially relative to the winding drum, so that the pressure value born by the winding drum is circularly changed from large to small or from existence to non-existence, the winding drum is subjected to breathing type radial expansion under the action of external pressure and self elastic force, namely, the winding drum is radially compressed when being pressed, the winding drum radially stretches out under the action of the self elastic force after the pressure is reduced or disappears, the original state is restored, the gap in the heat insulation material is circularly changed, gas is continuously discharged, glue solution is sucked, and therefore, the dipping efficiency and the effect are greatly improved.
In addition, the invention also discloses a rolled heat insulation material gumming device, which comprises: the device comprises a container, a shaft body and a pressurizing tool;
the container is used for containing glue solution;
the heat insulation material is wound on the shaft body in a roll shape, and the roll is completely immersed in the glue solution in the container;
the pressurizing tool is used for applying radial pressure to the winding drum so as to extrude gas inside the heat insulation material.
Further, the device also comprises a rotating mechanism for driving the shaft body and the winding drum to rotate.
Further, the pressurization frock includes the butt clamp plate in the circumference of reel, the one end of butt clamp plate with the excircle interval of reel sets up, and the other end of butt clamp plate is close gradually and supports to press on the reel, and then is used for exerting radial pressure to the reel gradually.
Further, the rotation mechanism includes: a motor, a speed reducing transmission mechanism, etc.
Further, on a cross section perpendicular to the central axis of the winding drum, the working surface on the pressing plate, which is used for approaching and pressing the winding drum, is a curved surface with the curvature radius being continuously reduced.
Taking a single-layer thickness of 0.05-10 mm as an example of a raw felt/base paper of a coiled material, the radius of a winding drum is generally 1-100 mm, and the radius of curvature of the working surface of the pressing plate is 0.5-96 mm.
Further, the pressurization frock includes extrusion unit, extrusion unit includes: the extrusion plate and the extrusion executing mechanism; the extrusion plate is driven by the extrusion executing mechanism to approach or separate from the winding drum.
Further, the number of the extrusion units is a plurality, and the cross section of the extrusion plate is arc-shaped and uniformly distributed in the circumferential direction of the winding drum.
The radius of the shaft body is 1/3-2/3 of the radius of the winding drum; more preferably, the shaft body is arranged in a hollow mode, and a through hole for communicating the inside and the outside of the hollow is formed in the side wall of the shaft body.
By providing a plurality of through holes, when the heat insulating material coiled material is extruded, the gas in the coiled material can flow into the through holes along with the glue solution along the radial direction, so that the discharge of the gas is accelerated.
Further, in the circumferential direction of the shaft body, the through holes are uniformly distributed.
Further, in the axial direction of the shaft body, the through holes are uniformly distributed;
or in the axial direction of the shaft body, the distribution density of the through holes gradually decreases from the center of the shaft body to the two end directions.
Further, the aperture of the through hole is 1-20mm.
Further, the device also comprises a pump body, wherein the pump body is connected with the hollow cavity in the shaft body through a pipeline, and the pump body is used for sucking out glue solution and gas in the hollow cavity and keeping the hollow cavity in a negative pressure state when in operation.
When the pump body works, the glue solution and gas in the hollow shaft body are sucked out, the pressure in the hollow cavity is smaller than the pressure value of external glue solution, and the gas in the coiled material is discharged by the aid of the negative pressure adsorption function and the pressurizing tool. Thereby greatly improving the gum dipping efficiency and effect.
Wherein, preferably, in operation, the negative pressure value in the hollow cavity is (-1 kilopascal) - (-20 kilopascal).
By adopting the technical scheme, the invention has the following beneficial effects:
according to the roll-shaped heat insulation material gum dipping method and equipment, the winding drum is extruded through the tool, radial pressure is further generated on the winding drum, the winding drum rotates and/or the tool moves radially relative to the winding drum, so that the pressure value born by the winding drum is circularly changed from large to small or from existence to non-existence, the winding drum is subjected to breathing radial expansion under the action of external pressure and self elastic force, namely, the winding drum is radially compressed when being pressed, after the pressure is reduced or disappears, the winding drum radially stretches out under the action of the self elastic force and returns to an original state, the gap in the heat insulation material is circularly changed, gas is continuously discharged, and gum solution is sucked, so that gum dipping efficiency and effect are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a dipping device provided in embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of the impregnation device shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a schematic structural diagram of the dipping device in the case of the pump body in embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a dipping device according to embodiment 2 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention is further illustrated with reference to specific embodiments.
Example 1
As shown in fig. 1, the dipping device provided in this embodiment includes: container 10, shaft 20 and pressurization tooling 30; the container 10 is used for containing glue solution; the heat insulating material is wound on the shaft body 20 in a roll shape, and the roll 1 is completely immersed in the glue solution in the container 10; the pressurizing tool 30 is used for applying radial pressure to the winding drum 1 so as to extrude gas inside the heat insulation material.
And also comprises a rotation mechanism 25 for driving the rotation of the shaft 20 and the reel 1. The rotation mechanism includes: a motor, a speed reducing transmission mechanism, etc.
As shown in fig. 2, the pressing tool 30 includes a pressing plate 31, in the circumferential direction of the drum 1, one end of the pressing plate 31 is spaced from the outer circumference of the drum 1, and the other end of the pressing plate 31 gradually approaches and presses against the drum 1, so as to gradually apply a radial pressure to the drum 1.
In a cross section perpendicular to the central axis of the spool 1, the working surface 31a of the pressing plate 31 for approaching and pressing against the spool 1 may be a plane or an arc surface with a fixed curvature.
Preferably, the working surface 31a may be a curved surface with a continuously decreasing radius of curvature. Taking a single layer of raw felt/base paper with a thickness of 0.05-10 mm as an example, the radius of the winding drum 1 is generally 1-100 mm, and the radius of curvature of the working surface 31a of the pressing plate 31 is 0.5-96 mm.
The radius of the shaft body 20 is 1/3-2/3 of the radius of the winding drum 1; preferably, a cavity is arranged in the middle of the shaft body 20, and a through hole 22 for communicating the inside and the outside of the cavity 21 is arranged on the side wall of the shaft body 20. By providing the plurality of through holes 22, the gas in the roll 1 can flow into the through holes 22 in the radial direction along with the dope when the heat insulating material roll is extruded, thereby accelerating the discharge of the gas.
The through holes 22 are preferably uniformly distributed in the circumferential direction of the shaft body 20. In the axial direction of the shaft body 20, the through holes 22 are uniformly distributed; alternatively, the density of the through holes 22 is gradually decreased in the axial direction of the shaft body 20 and in the direction from the center of the shaft body 20 toward both ends. The aperture of the through hole 22 is preferably 5-10mm. As shown in fig. 3, in order to facilitate the draining of the glue solution from the hollow space, the shaft body is provided with an oil drain 23 on the outside of the drum.
In the above technical solution, as shown in fig. 4, the present embodiment further preferably further includes a pump body 40, where the pump body is connected to the hollow 21 cavity inside the shaft body 20 through a pipeline 41, and in operation, the pump body is used to suck out the glue solution and gas in the hollow 21 cavity and then convey the glue solution and gas back into the container 10, and keep the hollow 21 cavity in a negative pressure state (in order to keep the negative pressure state, the shaft body is no longer provided with an oil drain port).
When the pump body 40 works, the glue solution and gas in the hollow 21 of the shaft body 20 are sucked out, the pressure in the cavity 21 is smaller than the pressure value of the external glue solution, and the negative pressure adsorption is utilized to assist the pressurizing tool 30 in discharging the gas in the coiled material. Thereby greatly improving the gum dipping efficiency and effect.
Wherein, preferably, in operation, the negative pressure value in the hollow 21 cavity is (-1 kilopascal) - (-20 kilopascal).
According to the coiled heat insulation material gum dipping equipment, the winding drum 1 is extruded through the tooling, radial pressure is further generated on the winding drum 1, the winding drum 1 rotates and/or the tooling moves radially relative to the winding drum 1, so that the pressure value born by the winding drum 1 changes circularly from large to small or from existence to non-existence, the winding drum 1 performs breathing radial expansion and contraction under the action of external pressure and self elastic force, namely, the winding drum 1 is compressed radially when being pressed, after the pressure is reduced or disappears, the winding drum 1 radially stretches out and returns to an original state under the action of the self elastic force, the gap size in the heat insulation material changes circularly, gas is continuously discharged, and gum solution is sucked, so that gum dipping efficiency and effect are greatly improved.
Example 2
This embodiment is substantially the same as embodiment 1 except that the pressurizing tool is different in form, and as shown in fig. 5, the pressurizing tool 30 includes a plurality of pressing units including: a pressing plate 32 and a pressing actuator 33; the squeeze plate is driven by the squeeze actuator to move toward or away from the spool 1. The extrusion actuator is in many forms and may be a hydraulic, pneumatic or electric telescopic mechanism. The number of the extrusion units is 4, and the cross section of the extrusion plate is arc-shaped and uniformly distributed in the circumferential direction of the winding drum 1. The shaft body 20 can rotate or be fixedly arranged, the extrusion executing mechanism periodically acts, and the extrusion plate moves inwards to extrude the winding drum so as to force the gas in the winding drum to be discharged.
Example 3
Referring to the drawings in the above embodiments, this embodiment discloses a roll-shaped heat insulation material impregnation method, which includes:
step S1, arranging a heat insulation material in a roll shape, wherein the roll is completely immersed in glue solution;
and S2, radially extruding the winding drum from the outside, wherein the radial pressure born by the winding drum is circularly changed and used for forcing the heat insulation material to perform breathing radial expansion and contraction, and sucking the glue solution after the heat insulation material exhales the air in the winding drum.
Further, the period of variation of the radial pressure of the winding drum is 10 seconds/time; the pressurizing time is 5 seconds each time; the radial pressure was 9 kpa.
According to the invention, the winding drum is extruded by the tool, so that radial pressure is generated on the winding drum, the winding drum rotates and/or the tool moves radially relative to the winding drum, so that the pressure value born by the winding drum is circularly changed from large to small or from existence to non-existence, the winding drum is subjected to breathing type radial expansion under the action of external pressure and self elastic force, namely, the winding drum is radially compressed when being pressed, the winding drum radially stretches out under the action of the self elastic force after the pressure is reduced or disappears, the original state is restored, the gap in the heat insulation material is circularly changed, gas is continuously discharged, glue solution is sucked, and therefore, the dipping efficiency and the effect are greatly improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (5)

1. A roll-form insulation gum dipping apparatus, characterized in that it comprises: the device comprises a container, a shaft body and a pressurizing tool;
the container is used for containing glue solution;
the heat insulation material is wound on the shaft body in a roll shape, and the roll is completely immersed in the glue solution in the container;
the pressurizing tool is used for applying radial pressure to the winding drum so as to extrude gas inside the heat insulation material;
the winding drum rotates, so that the pressure value born by the winding drum circularly changes from large to small, the winding drum radially stretches under the action of external pressure and self elastic force, the winding drum is radially compressed when the winding drum is pressed, after the pressure is reduced or disappears, the winding drum radially stretches out under the action of the self elastic force to restore the original state, the gap size in the heat insulation material circularly changes, and the air is continuously discharged and the glue solution is sucked;
the shaft body is hollow, the through holes communicated with the inside and the outside of the hollow are formed in the side wall of the shaft body, and when the heat insulation material coiled material is extruded, gas in the winding drum flows into the through holes along with the glue solution in the radial direction, so that the discharge of the gas is accelerated.
2. The dipping apparatus of claim 1, further comprising a rotation mechanism for driving the shaft and spool in rotation.
3. The dipping equipment according to claim 1 or 2, wherein the pressurizing tool comprises a pressing plate, one end of the pressing plate is arranged at intervals with the outer circle of the winding drum in the circumferential direction of the winding drum, and the other end of the pressing plate is gradually close to and pressed against the winding drum, so that the pressing tool is used for gradually applying radial pressure to the winding drum.
4. The dipping apparatus of claim 2, wherein the rotation mechanism comprises: a motor and a speed reducing transmission mechanism.
5. A gumming device as claimed in claim 3, characterized in that the working surface of the abutment plate for approaching and abutting against the reel is a curved surface with a continuously decreasing radius of curvature in a cross section perpendicular to the central axis of the reel.
CN202011322446.8A 2020-11-23 2020-11-23 Roll-shaped heat insulation material gum dipping method and equipment thereof Active CN112474177B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011322446.8A CN112474177B (en) 2020-11-23 2020-11-23 Roll-shaped heat insulation material gum dipping method and equipment thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011322446.8A CN112474177B (en) 2020-11-23 2020-11-23 Roll-shaped heat insulation material gum dipping method and equipment thereof

Publications (2)

Publication Number Publication Date
CN112474177A CN112474177A (en) 2021-03-12
CN112474177B true CN112474177B (en) 2024-03-19

Family

ID=74933684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011322446.8A Active CN112474177B (en) 2020-11-23 2020-11-23 Roll-shaped heat insulation material gum dipping method and equipment thereof

Country Status (1)

Country Link
CN (1) CN112474177B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4615627B1 (en) * 2010-09-10 2011-01-19 池田機械産業株式会社 Emergency adhesive bandage manufacturing apparatus and emergency adhesive bandage manufacturing method
CN103341893A (en) * 2013-07-04 2013-10-09 中南林业科技大学 Wood panel flat-pressing dipping filling modification method and device
CN107142629A (en) * 2017-06-27 2017-09-08 江苏新科达滤袋有限公司 A kind of filter bag produces immersion system
CN107930979A (en) * 2017-12-04 2018-04-20 航天建筑设计研究院有限公司 A kind of impregnation equipment and its method
CN209445758U (en) * 2018-12-29 2019-09-27 浙江宏元化纤股份有限公司 A kind of impregnated fabric high efficiency drying device
CN110485087A (en) * 2019-08-30 2019-11-22 雷范清 A kind of weaving wire rod compressed spring type oil filled equipment
CN213727455U (en) * 2020-11-23 2021-07-20 航天建筑设计研究院有限公司阳泉航天材料应用技术分公司 Gumming equipment for coiled heat-insulating material

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4615627B1 (en) * 2010-09-10 2011-01-19 池田機械産業株式会社 Emergency adhesive bandage manufacturing apparatus and emergency adhesive bandage manufacturing method
CN103341893A (en) * 2013-07-04 2013-10-09 中南林业科技大学 Wood panel flat-pressing dipping filling modification method and device
CN107142629A (en) * 2017-06-27 2017-09-08 江苏新科达滤袋有限公司 A kind of filter bag produces immersion system
CN107930979A (en) * 2017-12-04 2018-04-20 航天建筑设计研究院有限公司 A kind of impregnation equipment and its method
CN109868598A (en) * 2017-12-04 2019-06-11 航天建筑设计研究院有限公司 A kind of dipping method
CN209445758U (en) * 2018-12-29 2019-09-27 浙江宏元化纤股份有限公司 A kind of impregnated fabric high efficiency drying device
CN110485087A (en) * 2019-08-30 2019-11-22 雷范清 A kind of weaving wire rod compressed spring type oil filled equipment
CN213727455U (en) * 2020-11-23 2021-07-20 航天建筑设计研究院有限公司阳泉航天材料应用技术分公司 Gumming equipment for coiled heat-insulating material

Also Published As

Publication number Publication date
CN112474177A (en) 2021-03-12

Similar Documents

Publication Publication Date Title
CN213727455U (en) Gumming equipment for coiled heat-insulating material
CN110539466B (en) Method for producing and manufacturing high-pressure rubber hose
CN112474177B (en) Roll-shaped heat insulation material gum dipping method and equipment thereof
US2567387A (en) Vacuum mandrel
CN213570211U (en) Coiled material modification device
CA2450657A1 (en) Process for production of a bobbin tube for yarn, device for embodiment of such process, bobbin tube obtained and mode of utilisation of said bobbin tube
CN113147010A (en) B-type krah pipe continuous production device and production method
CN112225582B (en) Coiled material modifying device
CN209455756U (en) Rewinding machine winds axle construction
JP2930691B2 (en) Method and apparatus for winding a foil web
CN211895544U (en) Mechanical expansion shaft expansion block
CN110905784B (en) Low-loss peristaltic pump
CN203726903U (en) Automatic expansion and contraction mold device for fiber drum rolling
CN110571044B (en) Profiling press roller device for foil winding equipment
CN206824554U (en) A kind of finned tube production equipment
CN111115378A (en) Adsorption type winding drum, winding device and method
CN218371375U (en) Hoisting structure is soaked to environmental protection involucra
CN220604504U (en) New energy automobile electric capacity rolls up core flattening device
CN211997988U (en) Winding device of splitting machine
CN214217543U (en) Double-station unwinding device
CN103130039A (en) Mud composite paper tube and manufacture method thereof
CN213108330U (en) Sponge exhaust apparatus
CN114132805B (en) Papermaking roller and manufacturing method thereof
CN218664490U (en) Continuous roll changing device for printed products
CN220113434U (en) Adhesive tape roll cutting 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
GR01 Patent grant
GR01 Patent grant