CN112474177A - Dipping method and dipping equipment for coiled heat-insulating material - Google Patents
Dipping method and dipping equipment for coiled heat-insulating material Download PDFInfo
- Publication number
- CN112474177A CN112474177A CN202011322446.8A CN202011322446A CN112474177A CN 112474177 A CN112474177 A CN 112474177A CN 202011322446 A CN202011322446 A CN 202011322446A CN 112474177 A CN112474177 A CN 112474177A
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- Prior art keywords
- winding drum
- extrusion
- dipping
- glue solution
- reel
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Links
- 238000007598 dipping method Methods 0.000 title claims abstract description 29
- 239000011810 insulating material Substances 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 76
- 239000003292 glue Substances 0.000 claims abstract description 32
- 239000012774 insulation material Substances 0.000 claims abstract description 23
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 8
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 20
- 238000005470 impregnation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000004965 Silica aerogel Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention provides a dipping method and a dipping device for a coiled heat-insulating material, wherein the dipping method for the coiled heat-insulating material comprises the following steps: step S1, arranging the heat-insulating material in a reel shape, and completely immersing the reel in the glue solution; and S2, extruding the winding drum from the outside along the radial direction, wherein the radial pressure borne by the winding drum changes in a circulating manner and is used for forcing the heat insulation material to do breathing type radial expansion and contraction, and the heat insulation material breathes out the gas in the winding drum and then sucks in glue solution. The invention extrudes the winding drum through the tool, further generates radial pressure on the winding drum, and continuously exhausts gas in the coiled material, thereby greatly improving the gum dipping efficiency and effect.
Description
Technical Field
The invention relates to the technical field of green energy-saving buildings, in particular to a method and equipment for dipping a coiled heat-insulating material.
Background
At present, a heat insulation material is more and more commonly used in buildings as a green energy-saving material, and an aerogel felt is taken as an example, and is prepared by taking silica aerogel as a main raw material and mixing the silica aerogel with common glass fibers. The product improves the 400 ℃ high temperature resistance limit of common glass fiber, the heat insulation performance is 3 to 8 times of that of the traditional material, the product can resist the high temperature above 700 ℃, and has the characteristics of flatness, mechanical resistance and easy processing, the heat conductivity coefficient is extremely low, and the product is a novel material in the industrial heat insulation application field.
The existing impregnation method has more defects, for example, in order to realize comprehensive and thorough impregnation of the felt, most of the felt needs to be expanded and then immersed into glue solution, so that the occupied area is large during production, the production cost is high, and the efficiency is low; when the roll manner is adopted for gum dipping, air bubbles in the rubber felt can not be removed, the glue solution can not be completely and thoroughly immersed, namely, the glue solution can not completely soak the coiled material, and further the heat insulation performance is reduced.
Disclosure of Invention
The invention aims to provide a method and equipment for dipping a roll-shaped heat-insulating material, which are used for solving at least one technical problem in the prior art.
In order to solve the technical problem, the invention provides a method for dipping a roll-shaped heat-insulating material, which comprises the following steps:
step S1, arranging the heat-insulating material in a reel shape, and completely immersing the reel in the glue solution;
and S2, extruding the winding drum from the outside along the radial direction, wherein the radial pressure borne by the winding drum changes in a circulating manner and is used for forcing the heat insulation material to do breathing type radial expansion and contraction, and the heat insulation material breathes out the gas in the winding drum and then sucks in glue solution.
Further, the variation period 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 kPa to 100 kPa.
The invention extrudes the winding drum through the tool, further generates radial pressure on the winding drum, the winding drum rotates and/or the tool moves relative to the winding drum in the radial direction, so that the pressure value received by the winding drum changes cyclically from large to small or from existence to nonexistence, the winding drum performs breathing type radial expansion under the action of external pressure and self elastic force, namely, the winding drum is radially compressed under the pressure, after the pressure is reduced or disappears, the winding drum radially extends under the action of the self elastic force and restores the original state, the size of a gap in the heat insulation material changes cyclically, gas is continuously discharged, glue solution is sucked, and the glue dipping efficiency and effect are greatly improved.
In addition, the invention also discloses a dipping device for the roll-shaped heat insulation material, which comprises: the device comprises a container, a shaft body and a pressurizing tool;
the container is used for containing glue solution;
the heat-insulating material is wound on the shaft body in a reel shape, and the reel 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-insulating material.
Further, the winding device further comprises a rotating mechanism for driving the shaft body and the winding drum to rotate.
Further, the pressurization frock is including propping the clamp plate in the circumference of reel, the one end that props the clamp plate with the reel excircle interval sets up, and the other end that props the clamp plate is close to gradually and supports and 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 and the like.
Further, on a cross section perpendicular to the central axis of the winding drum, a working surface on the pressing plate, which is used for approaching and pressing the winding drum, is a curved surface with a curvature radius which is continuously reduced.
Taking a coiled material raw felt/base paper with a single-layer thickness of 0.05-10 mm as an example, the radius of a winding drum is generally 1-100 mm, and the curvature radius of the working surface of the pressing plate is 0.5-96 mm.
Further, the pressurization frock includes the extrusion unit, the extrusion unit includes: the extrusion plate and the extrusion actuating mechanism; the extrusion plate is driven by the extrusion actuating mechanism to be close to or far away from the winding drum.
Furthermore, the number of the extrusion units is a plurality, and the cross sections of the extrusion plates are arc-shaped and are uniformly distributed on the circumference of the winding drum.
Wherein the radius of the shaft body is 1/3-2/3 of the radius of the winding drum; more preferably, the axis body cavity sets up, sets up on the axis body lateral wall and communicates the inside and outside through-hole of cavity.
Through the arrangement of the through holes, when the heat insulation material coiled material is extruded, the gas in the winding drum can flow into the through holes along with the glue solution along the radial direction, so that the gas discharge is accelerated.
Further, in the circumference of axis body, the through-hole is evenly laid.
Furthermore, the through holes are uniformly distributed in the axial direction of the shaft body;
or in the axial direction of the shaft body, and in the directions from the center of the shaft body to the two ends, the arrangement density of the through holes is gradually reduced.
Further, the aperture of the through hole is 1-20 mm.
Further, still include the pump body, the pump body pass through the pipeline with the cavity connection of axis body inside, during operation, the pump body be used for with glue solution and gaseous suction in the cavity to keep the cavity in negative pressure state.
The pump body during operation is with glue solution and the gaseous suction in the axis body cavity to make the pressure in the cavity intracavity be less than the pressure value of outside glue solution, utilize the absorptive effect of negative pressure to assist the gas outgoing in the pressurization frock with the coiled material. Thereby greatly improving the gum dipping efficiency and effect.
Wherein, preferably, the negative pressure value in the hollow cavity is (-1 kPa) - (-20 kPa) during operation.
By adopting the technical scheme, the invention has the following beneficial effects:
the invention provides a gum dipping method and equipment for a coiled heat insulation material, wherein a winding drum is extruded by a tool, so that radial pressure is generated on the winding drum, the winding drum rotates and/or the tool moves in the radial direction relative to the winding drum, so that the pressure value received by the winding drum changes cyclically from large to small or from existence to nonexistence, the winding drum performs breathing type radial expansion and contraction under the action of external pressure and self elastic force, namely, the winding drum is radially compressed under the action of pressure, after the pressure is reduced or disappears, the winding drum radially extends out under the action of the self elastic force and restores the original state, the size of gaps in the heat insulation material changes cyclically, gas is continuously discharged, and gum solution is sucked, so that the gum dipping efficiency and the gum dipping effect are.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a gumming apparatus provided in example 1 of the present invention;
FIG. 2 is a cross-sectional view of the dipping apparatus 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 equipment provided with the pump body in embodiment 1 of the invention;
fig. 5 is a schematic structural diagram of the gumming equipment provided in embodiment 2 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a dipping apparatus, which includes: the container 10, the shaft body 20 and the pressurizing tool 30; the container 10 is used for containing glue solution; the heat insulating material is wound on the shaft body 20 in a reel shape, and the reel 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 the gas inside the heat insulation material.
And a rotating mechanism 25 for driving the shaft body 20 and the winding drum 1 to rotate. The rotating mechanism includes: a motor, a speed reducing transmission mechanism and the like.
As shown in fig. 2, the pressurizing tool 30 includes a pressing plate 31, in the circumferential direction of the winding drum 1, one end of the pressing plate 31 and the outer circle of the winding drum 1 are arranged at an interval, and the other end of the pressing plate 31 is gradually close to and pressed on the winding drum 1, so as to gradually apply radial pressure to the winding drum 1.
In a cross section perpendicular to the central axis of the winding drum 1, the working surface 31a of the pressing plate 31 for approaching and pressing the winding drum 1 may be a plane or an arc surface with a fixed curvature.
Preferably, the working surface 31a may be a curved surface having a decreasing radius of curvature. Taking a raw material felt/base paper of a coiled material with a single-layer thickness of 0.05-10 mm as an example, the radius of the winding drum 1 is generally 1-100 mm, and the curvature radius of the working surface 31a of the pressing plate 31 is 0.5-96 mm.
Wherein the radius of the shaft body 20 is 1/3-2/3 of the radius of the reel 1; preferably, a cavity is arranged in the middle of the shaft body 20, and a through hole 22 communicating the inside and the outside of the cavity 21 is arranged on the side wall of the shaft body 20. By providing a plurality of through holes 22, the gas in the roll 1 can flow into the through holes 22 along with the glue solution in the radial direction when the thermal insulation material roll is extruded, thereby accelerating the discharge of the gas.
The through holes 22 are preferably uniformly arranged in the circumferential direction of the shaft body 20. The through holes 22 are uniformly distributed in the axial direction of the shaft body 20; alternatively, the arrangement density of the through holes 22 is gradually decreased in the axial direction of the shaft body 20 from the center of the shaft body 20 toward both ends. The aperture of the through-hole 22 is preferably 5-10 mm. As shown in fig. 3, the shaft body is provided with an oil drain port 23 on the outside of the spool in order to facilitate the discharge of the glue from the middle space.
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 when the pump body works, the pump body is used to suck out the glue solution and the gas in the hollow 21 cavity and then convey the glue solution and the 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, at this time, the shaft body is not provided with an oil drain port any more).
When the pump body 40 works, the glue solution and the gas in the hollow 21 of the shaft body 20 are sucked out, the pressure in the cavity of the hollow 21 is smaller than the pressure value of the external glue solution, and the pressurization tool 30 is assisted to discharge the gas in the coiled material by the aid of the negative pressure adsorption effect. Thereby greatly improving the gum dipping efficiency and effect.
Wherein, preferably, the negative pressure value in the hollow 21 cavity is (-1 kPa) - (-20 kPa) during operation.
According to the gum dipping equipment for the rolled heat insulation material, the winding drum 1 is extruded through the tool, radial pressure is generated on the winding drum 1, the winding drum 1 rotates and/or the tool moves in the radial direction relative to the winding drum 1, so that the pressure value received by the winding drum 1 circularly changes from large to small or from existence to nonexistence, the winding drum 1 performs breathing type radial expansion and contraction under the action of external pressure and self elastic force, namely, the winding drum 1 is radially compressed under the pressure, after the pressure is reduced or disappears, the winding drum 1 radially extends under the action of the self elastic force and restores to the original state, the size of gaps in the heat insulation material circularly changes, gas is continuously exhausted, gum solution is sucked, and therefore gum dipping efficiency and gum dipping effect are greatly improved.
Example 2
This embodiment is substantially the same as embodiment 1 except that the pressing tool is different in form, and as shown in fig. 5, the pressing tool 30 includes a plurality of pressing units including: a pressing plate 32 and a pressing actuator 33; the extrusion plate is driven by the extrusion actuating mechanism to approach or separate from the winding drum 1. The extrusion executing mechanism has many forms and can be a hydraulic, pneumatic or electric telescopic mechanism. The number of the extrusion units is 4, and the cross sections of the extrusion plates are arc-shaped and are uniformly distributed in the circumferential direction of the winding drum 1. The shaft 20 can be rotated or fixed, the pressing actuator acts periodically, the pressing plate moves inwards and presses the winding drum, and the gas in the coiled material is forced to be discharged.
Example 3
Referring to the attached drawings in the embodiment, the embodiment discloses a method for dipping a roll-shaped heat insulation material, which comprises the following steps:
step S1, arranging the heat-insulating material in a reel shape, and completely immersing the reel in the glue solution;
and S2, extruding the winding drum from the outside along the radial direction, wherein the radial pressure borne by the winding drum changes in a circulating manner and is used for forcing the heat insulation material to do breathing type radial expansion and contraction, and the heat insulation material breathes out the gas in the winding drum and then sucks in glue solution.
Further, the variation period of the radial pressure of the winding drum is 10 seconds/time; each pressurizing time is 5 seconds; the radial pressure was 9 kpa.
The invention extrudes the winding drum through the tool, further generates radial pressure on the winding drum, the winding drum rotates and/or the tool moves relative to the winding drum in the radial direction, so that the pressure value received by the winding drum changes cyclically from large to small or from existence to nonexistence, the winding drum performs breathing type radial expansion under the action of external pressure and self elastic force, namely, the winding drum is radially compressed under the pressure, after the pressure is reduced or disappears, the winding drum radially extends under the action of the self elastic force and restores the original state, the size of a gap in the heat insulation material changes cyclically, gas is continuously discharged, glue solution is sucked, and the glue dipping efficiency and effect are greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for dipping glue into a roll-shaped heat insulation material is characterized by comprising the following steps:
step S1, arranging the heat-insulating material in a reel shape, and completely immersing the reel in the glue solution;
and S2, extruding the winding drum from the outside along the radial direction, wherein the radial pressure borne by the winding drum changes in a circulating manner and is used for forcing the heat insulation material to do breathing type radial expansion and contraction, and the heat insulation material breathes out the gas in the winding drum and then sucks in glue solution.
2. The method for dipping a roll of insulation material in a gum as claimed in claim 1, wherein the period of variation of the radial pressure of the mandrel is 2 to 50 seconds/time; the pressurizing time is 5-100 seconds each time; the radial pressure is 5 kPa to 100 kPa.
3. A roll-shaped heat insulation material gumming equipment is characterized by comprising: the device comprises a container, a shaft body and a pressurizing tool;
the container is used for containing glue solution;
the heat-insulating material is wound on the shaft body in a reel shape, and the reel 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-insulating material.
4. The impregnation apparatus of claim 3, further comprising a rotation mechanism for driving the shaft and the drum to rotate.
5. The impregnation equipment as claimed in claim 3 or 4, wherein the pressurizing tool comprises a pressing plate, one end of the pressing plate is spaced from 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 as to gradually apply radial pressure to the winding drum.
6. The gumming equipment as claimed in claim 4, wherein the rotation mechanism comprises: motor and reduction gearing.
7. The impregnation apparatus of claim 5, wherein, in a cross-section perpendicular to the central axis of the roll, the working surface of the pressure plate for approaching and pressing against the roll is a curved surface with a decreasing radius of curvature.
8. The impregnation equipment of claim 3, wherein the pressurization tool comprises an extrusion unit, and the extrusion unit comprises: the extrusion plate and the extrusion actuating mechanism; the extrusion plate is driven by the extrusion actuating mechanism to be close to or far away from the winding drum.
9. The impregnation equipment according to claim 8, wherein the number of the extrusion units is several, and the extrusion plates are arc-shaped in cross section and are uniformly arranged in the circumferential direction of the reel.
10. The impregnation equipment as claimed in claim 3, wherein the shaft body is hollow, and a through hole communicating the inside and the outside of the hollow is formed in a side wall of the shaft body.
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 true CN112474177A (en) | 2021-03-12 |
| CN112474177B CN112474177B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011322446.8A Active CN112474177B (en) | 2020-11-23 | 2020-11-23 | Roll-shaped heat insulation material gum dipping method and equipment thereof |
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| 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 |
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2020
- 2020-11-23 CN CN202011322446.8A patent/CN112474177B/en active Active
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| 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 |
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