CN113524743A - Method for producing air flotation element by using vulcanization method - Google Patents
Method for producing air flotation element by using vulcanization method Download PDFInfo
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- CN113524743A CN113524743A CN202110652630.7A CN202110652630A CN113524743A CN 113524743 A CN113524743 A CN 113524743A CN 202110652630 A CN202110652630 A CN 202110652630A CN 113524743 A CN113524743 A CN 113524743A
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- 238000004073 vulcanization Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005188 flotation Methods 0.000 title claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 69
- 239000003292 glue Substances 0.000 claims abstract description 48
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 239000002775 capsule Substances 0.000 claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 25
- 238000005498 polishing Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- 229920000715 Mucilage Polymers 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000007723 die pressing method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention relates to a method for producing an air flotation element by a vulcanization method, which is characterized by comprising the following steps: the specific production method comprises the following steps: s1: gluing the dipped fabrics; s2: vulcanizing the dipped cloth; s3: edge covering processing; s4: cutting and processing the dipped cloth; s5: forming the capsule body; s6: vulcanizing and processing the capsule body; s7: processing an aluminum-type plate; s8: forming an air cushion; s9: positioning an air cushion; s10: vulcanizing the air cushion; s11: mounting an air cushion accessory; the gum dipping cloth adopts a structure of two cloths and three glue after double-layer glue pressing, the air cushion surface and the edge covering are bonded and molded, and then the formed bag body structure is vulcanized; bonding and molding the vulcanized bag body with the connecting sheet and the inner ring gasket, and then integrally vulcanizing; the air floating element produced by the secondary vulcanization method reduces the complex structure of the connection of the air cushion surface and the edge, the vulcanization method has lower cost on the basis of ensuring the performance of the produced product, and the import dependence on foreign countries is effectively reduced.
Description
Technical Field
The invention relates to the technical field of air floatation element production, in particular to a method for producing an air floatation element by using a vulcanization method.
Background
At present, the air floatation element of domestic heavy-load mobile equipment is imported from abroad; the main components of the air-float air cushion comprise an air cushion surface, a covered edge, a press plate and an aluminum alloy plate, wherein the air cushion surface and the covered edge are made of a material compounded by strong fibers and rubber and are processed by working procedures of mixing, rolling, crosslinking and the like; then, carrying out procedures such as forming, bonding, forming, assembling and the like on all parts of the air floatation element, and finally realizing a product;
in a common air cushion forming process, the processing and manufacturing of the air cushion surface and the connection process between the edge covering and the air cushion surface are complex, and the energy consumption is high.
The invention discloses a novel air shield dam air bag production process as a comparison patent CN201810877412.1, which comprises the following steps of firstly, selecting and weighing raw materials, and secondly, banburying new rubber; step three, mixing; step four, rolling the cord fabric; step five, vulcanization; putting the weighed raw rubber into an internal mixing chamber from a feeding hopper, heating the raw rubber in the internal mixing chamber, and continuously stirring, shearing and drawing the raw rubber by a rotor in the internal mixing chamber; banburying; dehydrating until no foam is formed, and pouring the decocted natural rubber into a material barrel; according to the invention, through specific proportioning, banburying and mixing, the air bag has good plasticity and strength, and after a vulcanization process, the problems of one-time forming and four-side sealing effects of the air bag are effectively solved, the sealing effect required in a later installation process is increased, the four-side sealing is ensured while the overall strength of the air bag is not influenced, and the integral air shield dam air bag is realized.
In the production of the air bag in the patent, the proportion of materials and the adjustment of an internal mixing process are mainly emphasized; the control of the connection between the air bags and vulcanization is not shown in the patent; therefore, a new method of curing an air bearing element is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for producing an air floating element by a vulcanization method, which can solve the problems of complex connection process and high energy consumption between a wrapping edge and an air cushion surface in the production of a common air floating air cushion.
In order to solve the technical problems, the technical scheme of the invention is as follows: a method for producing an air flotation element by utilizing a vulcanization method comprises the steps of dipping cloth, wrapping, pressing plates and aluminum plates; the innovation points are as follows: the specific production method comprises the following steps:
s1: gluing the dipped fabrics: selecting mixed rubber for the dipped fabrics, selecting two pieces of dipped fabrics, and respectively marking as a first dipped fabric and a second dipped fabric; the thin glue layer surface of the first dipped fabric is attached to the plain fabric surface of the second dipped fabric to form two fabrics and three glue; the temperature of the attaching is 60-75 ℃; the bonding pressure is 11-13MPa, and the bonding speed is 30 cm/min;
s2: and (3) vulcanizing the dipped cloth: placing the glued impregnated cloth in a vulcanizing tank at 190 ℃ and 170 ℃ for vulcanizing, wherein the vulcanizing pressure is 17-19 MPa; the vulcanizing time is 8-10 min;
s3: and (3) edge covering processing: cutting an inner wrapping edge and an outer wrapping edge according to the size requirement of the air floatation element, wherein the inner wrapping edge is a double-layer cloth-sandwiched adhesive tape, and the outer wrapping edge is a single-layer cloth-sandwiched adhesive tape; drawing a film width central line on the inner wrapping edge and the outer wrapping edge, wherein the central line is superposed with the center of the die, tensioning the adhesive tape at two ends, and then carrying out die pressing vulcanization;
s4: cutting and processing the dipped cloth: scribing the area of the front surface of the dipped fabric needing to be polished, wherein the scribing distance of the outer ring is 60 mm; cutting the impregnated cloth by using a hydraulic die cutter to form an air cushion surface, a connecting sheet and an inner ring gasket; an air mill or an angle mill is adopted to grind the areas needing to be ground, which are marked on the air cushion surface, the connecting sheet and the inner ring gasket, wherein the ground areas need to be uniformly ground to be rough, and the shiny parts are not allowed to be present; meanwhile, the inner side of the edge cover is comprehensively polished; the polishing area is uniformly polished to be rough, and bright parts are not allowed; cleaning a grinding area after grinding is finished;
s5: forming the capsule body: preparing a raw rubber sheet, fixing the length of the edge, polishing the lap joint, wherein the lap joint distance is 40-50 mm; uniformly brushing the polishing area of the air cushion surface with adhesive cement; pasting the film stock, wherein the distance between the film stock and the edge is 1-2mm, pasting the film stock after brushing ethyl acetate, and pressing the pasted film once by using a roller; coating a release agent on the edge and the middle part inside the air cushion surface, wherein the release agent is not allowed to be coated on the glue brushing area and the film pasting area; the tilting part is clamped by a clamp, a 0.75mm film is required to be added in the middle of the lap, and the edge of the lap is pasted and covered by 5mm away from the edge of the lap; the bag body with the bound edge adhered needs to be pressed by a pressing plate, so that the bound edge is prevented from being adhered and falling off, and the vulcanization of the bound edge is prevented;
s6: vulcanizing and treating the capsule body: putting the molded capsule body into a flat vulcanizing machine, and vulcanizing at 165 ℃ for 15min under the vulcanizing pressure of 3.5 MPa; polishing the front and back surfaces of the inner ring of the bag body after vulcanization, wherein the polishing width is 50 mm; polishing the joint seam of the edge covering, wherein the left and right of the joint seam are 10mm respectively; polishing the drawn connecting area of the bag body, wherein the distance between the inner line and the inner ring is 160 mm;
s7: treating the aluminum type plate: cleaning the aluminum plate by using ethyl acetate, and coating an adhesive on a set area on the aluminum plate;
s8: air cushion forming: drawing lines on the front side and the back side of the polished connecting sheet, wherein each side is provided with two lines, and the distance between each line and the edge is 30 mm; coating mucilage between two lines on one side of the connecting sheet, and sticking a film stock with the width of 40mm and the thickness of 0.75mm between the two lines after the mucilage is coated; coating adhesive cement on the connecting sheet area of the bag body, and positioning and attaching the connecting sheet; 3 stitches are carried out on the connecting piece, stitches of the stitches on two sides run along the drawn line, and the middle stitch is centered; the air inlet holes are marked and positioned, the distance between the centers of the air inlet holes and the inner ring is 215mm, and a punch with the diameter of 10mm is adopted for punching; positioning the other 6 air outlet holes by using a marking tool, and punching by using a punch with the diameter of 7 mm; coating the front side and the back side of the inner ring gasket with mucilage, and after the mucilage is coated, adhering raw films with the width of 35mm and the thickness of 0.75mm to the two sides, wherein the distance between the raw films and the outer edge is 1-2 mm; coating mucilage and marking treatment on the attaching area of the inner ring of the bag body, positioning and attaching the inner ring gasket, performing 3 stitches on the inner ring of the bag body, wherein the stitch of the first stitch runs along the drawn line, and the other two stitches are uniformly sewn; sticking a film stock to the surface of the connecting sheet bonded with the aluminum-type plate; attaching a film to the edge-covering attaching seam, the inner ring suture line and the edge-covering lap;
s9: air cushion positioning: coating an isolating agent on the formed capsule body, and wiping the non-suture line fixing area of the capsule body and the connecting sheet; a material with the thickness of 80mm multiplied by 80mm is padded in the area of the air outlet hole of the bag body, and the air inlet hole of the aluminum-type plate are positioned by overlapping; the positioned capsule body and the aluminum-type plate are fixed by a frame and are placed to be displaced;
s10: and (3) vulcanizing the air cushion: placing the molded air cushion into a flat vulcanizing machine, vulcanizing at 165 ℃ for 20min, wherein the vulcanizing pressure is 4.0 MPa;
s11: mounting an air cushion accessory: an air nozzle is installed on the air cushion, and the air nozzle needs to be sealed by bolts during installation, and meanwhile, the residual glue of the air inlet hole needs to be cleaned and removed.
Further, in the step S1, the first front face rubberizing thickness of the first gum dipping cloth is 0.35 to 0.4mm, and after the first front face rubberizing is completed, the total thickness of the first gum dipping cloth and the gum is 0.90 to 1.0 mm; the thickness of the second back side glue pressing of the first dipped fabric is 0.25-0.3mm, and after the second back side glue pressing is finished, the total thickness of the first dipped fabric and the two sides glue is 1.2-1.3 mm; the first front face glue pressing thickness of the second glue dipped cloth in the S1 is 0.35-0.4mm, and after the first front face glue pressing is finished, the total thickness of the second glue dipped cloth and glue is 0.9-1.0 mm.
Further, in the step of processing the middle package edge in the step S4, the temperature of the upper die for die pressing and vulcanization is 200 ℃, the temperature of the lower die is 185 ℃, the pressure is 18MPa, and the time is 12 min.
The invention has the advantages that:
1) the gum dipping cloth adopts a structure of two cloths and three adhesives formed after double-layer gum pressing, firstly adopts the bonding molding between an air cushion surface and a covered edge, and then vulcanizes the formed bag body structure; bonding and molding the vulcanized bag body with the connecting sheet and the inner ring gasket, and then integrally vulcanizing; the air floating element produced by the secondary vulcanization method reduces the complex structure of the connection of the air cushion surface and the edge cover, and the vulcanization method has lower production cost and effectively reduces the import dependence on foreign countries on the basis of ensuring the performance of the produced products.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a flow chart of a process for producing an air bearing element using a sulfidation process in accordance with the present invention.
Detailed Description
As shown in fig. 1, a method for producing an air flotation element by using a vulcanization method includes a dipped cloth, a covered edge, a pressing plate and an aluminum type plate; the specific production method comprises the following steps:
s1: gluing the dipped fabrics: selecting mixed rubber for the dipped fabrics, selecting two pieces of dipped fabrics, and respectively marking as a first dipped fabric and a second dipped fabric; the thin glue layer surface of the first dipped fabric is attached to the plain fabric surface of the second dipped fabric to form two fabrics and three glue; the temperature of the attaching is 60-75 ℃; the bonding pressure is 11-13MPa, and the bonding speed is 30 cm/min.
S2: and (3) vulcanizing the dipped cloth: placing the glued impregnated cloth in a vulcanizing tank at 190 ℃ and 170 ℃ for vulcanizing, wherein the vulcanizing pressure is 17-19 MPa; the vulcanizing time is 8-10 min.
S3: and (3) edge covering processing: cutting an inner wrapping edge and an outer wrapping edge according to the size requirement of the air floatation element, wherein the inner wrapping edge is a double-layer cloth-sandwiched adhesive tape, and the outer wrapping edge is a single-layer cloth-sandwiched adhesive tape; and drawing a film width central line on the inner wrapping edge and the outer wrapping edge, wherein the central line is superposed with the center of the die, the two ends of the die are used for tensioning the adhesive tape, and then the die pressing vulcanization is carried out.
S4: cutting and processing the dipped cloth: scribing the area of the front surface of the dipped fabric needing to be polished, wherein the scribing distance of the outer ring is 60 mm; cutting the impregnated cloth by using a hydraulic die cutter to form an air cushion surface, a connecting sheet and an inner ring gasket; an air mill or an angle mill is adopted to grind the areas needing to be ground, which are marked on the air cushion surface, the connecting sheet and the inner ring gasket, wherein the ground areas need to be uniformly ground to be rough, and the shiny parts are not allowed to be present; meanwhile, the inner side of the edge cover is comprehensively polished; the polishing area is uniformly polished to be rough, and bright parts are not allowed; and cleaning the grinding area after grinding.
S5: forming the capsule body: preparing a raw rubber sheet, fixing the length of the edge, polishing the lap joint, wherein the lap joint distance is 40-50 mm; uniformly brushing the polishing area of the air cushion surface with adhesive cement; pasting the film stock, wherein the distance between the film stock and the edge is 1-2mm, pasting the film stock after brushing ethyl acetate, and pressing the pasted film once by using a roller; coating a release agent on the edge and the middle part inside the air cushion surface, wherein the release agent is not allowed to be coated on the glue brushing area and the film pasting area; the tilting part is clamped by a clamp, a 0.75mm film is required to be added in the middle of the lap, and the edge of the lap is pasted and covered by 5mm away from the edge of the lap; the bag body adhered with the edge covering needs to be pressed by a pressing plate, so that the phenomenon that the edge covering is adhered and falls off to influence the vulcanization of the edge covering is prevented.
S6: vulcanizing and treating the capsule body: putting the molded capsule body into a flat vulcanizing machine, and vulcanizing at 165 ℃ for 15min under the vulcanizing pressure of 3.5 MPa; polishing the front and back surfaces of the inner ring of the bag body after vulcanization, wherein the polishing width is 50 mm; polishing the joint seam of the edge covering, wherein the left and right of the joint seam are 10mm respectively; and polishing the connection area of the drawn lines of the capsule body, wherein the inner line is 160mm away from the inner ring.
S7: treating the aluminum type plate: the aluminum plate was cleaned with ethyl acetate and the adhesive was applied to the designated area on the aluminum profile plate.
S8: air cushion forming: drawing lines on the front side and the back side of the polished connecting sheet, wherein each side is provided with two lines, and the distance between each line and the edge is 30 mm; coating mucilage between two lines on one side of the connecting sheet, and sticking a film stock with the width of 40mm and the thickness of 0.75mm between the two lines after the mucilage is coated; coating adhesive cement on the connecting sheet area of the bag body, and positioning and attaching the connecting sheet; 3 stitches are carried out on the connecting piece, stitches of the stitches on two sides run along the drawn line, and the middle stitch is centered; the air inlet holes are marked and positioned, the distance between the centers of the air inlet holes and the inner ring is 215mm, and a punch with the diameter of 10mm is adopted for punching; positioning the other 6 air outlet holes by using a marking tool, and punching by using a punch with the diameter of 7 mm; coating the front side and the back side of the inner ring gasket with mucilage, and after the mucilage is coated, adhering raw films with the width of 35mm and the thickness of 0.75mm to the two sides, wherein the distance between the raw films and the outer edge is 1-2 mm; coating mucilage and marking treatment on the attaching area of the inner ring of the bag body, positioning and attaching the inner ring gasket, performing 3 stitches on the inner ring of the bag body, wherein the stitch of the first stitch runs along the drawn line, and the other two stitches are uniformly sewn; sticking a film stock to the surface of the connecting sheet bonded with the aluminum-type plate; and (5) gluing the edge-covering joint, the inner ring suture and the edge-covering lap with the rubber sheet.
S9: air cushion positioning: coating an isolating agent on the formed capsule body, and wiping the non-suture line fixing area of the capsule body and the connecting sheet; a material with the thickness of 80mm multiplied by 80mm is padded in the area of the air outlet hole of the bag body, and the air inlet hole of the aluminum-type plate are positioned by overlapping; the well-positioned capsule body and the aluminum-shaped plate are fixed by a frame and are placed to move.
S10: and (3) vulcanizing the air cushion: placing the molded air cushion into a flat vulcanizing machine, vulcanizing at 165 ℃ for 20min, wherein the vulcanizing pressure is 4.0 MPa;
s11: mounting an air cushion accessory: an air nozzle is installed on the air cushion, and the air nozzle needs to be sealed by bolts during installation, and meanwhile, the residual glue of the air inlet hole needs to be cleaned and removed.
The first front face glue pressing thickness of the first glue dipped cloth in the S1 is 0.35-0.4mm, and after the first front face glue pressing is finished, the total thickness of the first glue dipped cloth and glue is 0.90-1.0 mm; the thickness of the second back side glue pressing of the first dipped fabric is 0.25-0.3mm, and after the second back side glue pressing is finished, the total thickness of the first dipped fabric and the two sides glue is 1.2-1.3 mm; the first front face glue pressing thickness of the second glue dipped cloth in the S1 is 0.35-0.4mm, and after the first front face glue pressing is finished, the total thickness of the second glue dipped cloth and glue is 0.9-1.0 mm.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A method for producing an air flotation element by utilizing a vulcanization method comprises the steps of dipping cloth, wrapping, pressing plates and aluminum plates; the method is characterized in that: the specific production method comprises the following steps:
s1: gluing the dipped fabrics: selecting mixed rubber for the dipped fabrics, selecting two pieces of dipped fabrics, and respectively marking as a first dipped fabric and a second dipped fabric; the thin glue layer surface of the first dipped fabric is attached to the plain fabric surface of the second dipped fabric to form two fabrics and three glue; the temperature of the attaching is 60-75 ℃; the bonding pressure is 11-13MPa, and the bonding speed is 30 cm/min;
s2: and (3) vulcanizing the dipped cloth: placing the glued impregnated cloth in a vulcanizing tank at 190 ℃ and 170 ℃ for vulcanizing, wherein the vulcanizing pressure is 17-19 MPa; the vulcanizing time is 8-10 min;
s3: and (3) edge covering processing: cutting an inner wrapping edge and an outer wrapping edge according to the size requirement of the air floatation element, wherein the inner wrapping edge is a double-layer cloth-sandwiched adhesive tape, and the outer wrapping edge is a single-layer cloth-sandwiched adhesive tape; drawing a film width central line on the inner wrapping edge and the outer wrapping edge, wherein the central line is superposed with the center of the die, tensioning the adhesive tape at two ends, and then carrying out die pressing vulcanization;
s4: cutting and processing the dipped cloth: scribing the area of the front surface of the dipped fabric needing to be polished, wherein the scribing distance of the outer ring is 60 mm; cutting the impregnated cloth by using a hydraulic die cutter to form an air cushion surface, a connecting sheet and an inner ring gasket; an air mill or an angle mill is adopted to grind the areas needing to be ground, which are marked on the air cushion surface, the connecting sheet and the inner ring gasket, wherein the ground areas need to be uniformly ground to be rough, and the shiny parts are not allowed to be present; meanwhile, the inner side of the edge cover is comprehensively polished; the polishing area is uniformly polished to be rough, and bright parts are not allowed; cleaning a grinding area after grinding is finished;
s5: forming the capsule body: preparing a film stock, film specification: the width is 40mm, and the thickness is 0.75 mm; fixing the length of the covered edge, polishing the lap joint, wherein the lap joint distance is 40-50 mm; uniformly brushing the polishing area of the air cushion surface with adhesive cement; pasting the film stock, wherein the distance between the film stock and the edge is 1-2mm, pasting the film stock after brushing ethyl acetate, and pressing the pasted film once by using a roller; coating a release agent on the edge and the middle part inside the air cushion surface, wherein the release agent is not allowed to be coated on the glue brushing area and the film pasting area; the tilting part is clamped by a clamp, a 0.75mm film is required to be added in the middle of the lap, and the edge of the lap is pasted and covered by 5mm away from the edge of the lap; the bag body with the bound edge adhered needs to be pressed by a pressing plate, so that the bound edge is prevented from being adhered and falling off, and the vulcanization of the bound edge is prevented;
s6: vulcanizing and treating the capsule body: putting the molded capsule body into a flat vulcanizing machine, and vulcanizing at 165 ℃ for 15min under the vulcanizing pressure of 3.5 MPa; polishing the front and back surfaces of the inner ring of the bag body after vulcanization, wherein the polishing width is 50 mm; polishing the joint seam of the edge covering, wherein the left and right of the joint seam are 10mm respectively; polishing the drawn connecting area of the bag body, wherein the distance between the inner line and the inner ring is 160 mm;
s7: treating the aluminum type plate: cleaning the aluminum plate by using ethyl acetate, and coating an adhesive on a set area on the aluminum plate;
s8: air cushion forming: drawing lines on the front side and the back side of the polished connecting sheet, wherein each side is provided with two lines, and the distance between each line and the edge is 30 mm; coating mucilage between two lines on one side of the connecting sheet, and sticking a film stock with the width of 40mm and the thickness of 0.75mm between the two lines after the mucilage is coated; coating adhesive cement on the connecting sheet area of the bag body, and positioning and attaching the connecting sheet; 3 stitches are carried out on the connecting piece, stitches of the stitches on two sides run along the drawn line, and the middle stitch is centered; the air inlet holes are marked and positioned, the distance between the centers of the air inlet holes and the inner ring is 215mm, and a punch with the diameter of 10mm is adopted for punching; positioning the other 6 air outlet holes by using a marking tool, and punching by using a punch with the diameter of 7 mm; coating the front side and the back side of the inner ring gasket with mucilage, and after the mucilage is coated, adhering raw films with the width of 35mm and the thickness of 0.75mm to the two sides, wherein the distance between the raw films and the outer edge is 1-2 mm; coating mucilage and marking treatment on the attaching area of the inner ring of the bag body, positioning and attaching the inner ring gasket, performing 3 stitches on the inner ring of the bag body, wherein the stitch of the first stitch runs along the drawn line, and the other two stitches are uniformly sewn; sticking a film stock to the surface of the connecting sheet bonded with the aluminum-type plate; attaching a film to the edge-covering attaching seam, the inner ring suture line and the edge-covering lap;
s9: air cushion positioning: coating an isolating agent on the formed capsule body, and wiping the non-suture line fixing area of the capsule body and the connecting sheet; a material with the thickness of 80mm multiplied by 80mm is padded in the area of the air outlet hole of the bag body, and the air inlet hole of the aluminum-type plate are positioned by overlapping; the positioned capsule body and the aluminum-type plate are fixed by a frame and are placed to be displaced;
s10: and (3) vulcanizing the air cushion: placing the molded air cushion into a flat vulcanizing machine, vulcanizing at 165 ℃ for 20min, wherein the vulcanizing pressure is 4.0 MPa;
s11: mounting an air cushion accessory: an air nozzle is installed on the air cushion, and the air nozzle needs to be sealed by bolts during installation, and meanwhile, the residual glue of the air inlet hole needs to be cleaned and removed.
2. A method of manufacturing an air-float element by means of a vulcanisation method according to claim 1, characterized in that: in the step S1, the first front face glue pressing thickness of the first glue dipped cloth is 0.35-0.4mm, and after the first front face glue pressing is finished, the total thickness of the first glue dipped cloth and the glue is 0.90-1.0 mm; the thickness of the second back side glue pressing of the first dipped fabric is 0.25-0.3mm, and after the second back side glue pressing is finished, the total thickness of the first dipped fabric and the two sides glue is 1.2-1.3 mm; the first front face glue pressing thickness of the second glue dipped cloth in the S1 is 0.35-0.4mm, and after the first front face glue pressing is finished, the total thickness of the second glue dipped cloth and glue is 0.9-1.0 mm.
3. A method of manufacturing an air-float element by means of a vulcanisation method according to claim 1, characterized in that: in the step of processing the middle package edge in the step S4, the temperature of an upper die for die pressing and vulcanizing is 200 ℃, the temperature of a lower die is 185 ℃, the pressure is 18MPa, and the time is 12 min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110652630.7A CN113524743A (en) | 2021-06-11 | 2021-06-11 | Method for producing air flotation element by using vulcanization method |
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| CN202110652630.7A CN113524743A (en) | 2021-06-11 | 2021-06-11 | Method for producing air flotation element by using vulcanization method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140010A (en) * | 2023-10-31 | 2023-12-01 | 沈阳精航科技有限公司 | Preparation method of deformation-preventing long-service-life composite sealing gasket |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140010A (en) * | 2023-10-31 | 2023-12-01 | 沈阳精航科技有限公司 | Preparation method of deformation-preventing long-service-life composite sealing gasket |
| CN117140010B (en) * | 2023-10-31 | 2024-01-02 | 沈阳精航科技有限公司 | Preparation method of deformation-preventing long-service-life composite sealing gasket |
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Application publication date: 20211022 |