CN116039145A - End sealing rubber ring and preparation method thereof - Google Patents
End sealing rubber ring and preparation method thereof Download PDFInfo
- Publication number
- CN116039145A CN116039145A CN202310069612.5A CN202310069612A CN116039145A CN 116039145 A CN116039145 A CN 116039145A CN 202310069612 A CN202310069612 A CN 202310069612A CN 116039145 A CN116039145 A CN 116039145A
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- rubber ring
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- composite material
- transfer film
- die cutting
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Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 91
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 50
- 239000002131 composite material Substances 0.000 claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000002390 adhesive tape Substances 0.000 claims abstract description 18
- 238000013329 compounding Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 95
- 239000012790 adhesive layer Substances 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
Classifications
-
- 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
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0082—Producing articles in the form of closed loops, e.g. rings
- B29D99/0085—Producing articles in the form of closed loops, e.g. rings for sealing purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides an end sealing rubber ring and a preparation method thereof, and relates to the technical field of preparation of end sealing rubber rings. The method comprises the following steps: s1, compounding double faced adhesive tape, namely compounding the double faced adhesive tape on one side of a rubber ring raw material to form a three-layer composite material, S2, die cutting, namely, placing the three-layer composite material on a die cutting machine for die cutting to form a die cutting material, S3, removing excessive materials, removing excessive parts on the die cutting material, only retaining the rubber ring part, S4, sticking a transfer film, and sticking the transfer film on the rubber ring part to form a four-layer composite material A. The invention adopts a die-cutting molding mode to produce the sealing ring body, uses the transfer film to carry out auxiliary support shaping to keep the original shape of the sealing ring body, is convenient to assemble, and the composite double faced adhesive tape ensures good adhesion between the sealing ring body and the end face of the main body during assembly, has good assembly stability, ensures uniform gap between the end plates after assembly, is convenient for later maintenance, and does not need to damage the outer end plate.
Description
Technical Field
The invention relates to the technical field of end sealing rubber rings, in particular to an end sealing rubber ring and a preparation method thereof.
Background
The end part needs to be sealed in the production of parts such as hydrogen engine, and the like, and is currently sealed by adopting a semi-fluid sealant mode, namely a groove is formed in the end face of the main body, the outer end plate is covered after glue is injected, and then the sealing is performed for a certain time after the sealing is cured, and bolts are added for reinforcement. The sealing mode has the problems of uneven glue spraying, long curing time, damage to the outer end plate due to later maintenance and the like.
According to the design of the sealing ring required by the customer, the product design is found that: the main body end plate is provided with a sealing groove, the sealing groove is characterized by longer length and narrower depth and width, the sealing ring designed according to the characteristics is large in whole but small in ring body part occupation ratio, the ring body part is thin and long, the sealing ring is made of an elastomer material, easy to deform and large in customer assembly difficulty.
Disclosure of Invention
The invention provides an end sealing rubber ring and a preparation method thereof, which solve the technical problems.
The specific technical scheme is that the preparation method of the end sealing rubber ring comprises the following steps:
s1, compounding double-sided adhesive tape, wherein the double-sided adhesive tape is compounded on one side of the rubber ring raw material to form a three-layer composite material,
s2, die cutting, namely, placing the three-layer composite material on a die cutting machine for die cutting to form a die-cut material,
s3, removing excessive materials, removing excessive parts on the die-cut materials, only retaining the rubber ring part,
s4, sticking the transfer film, and sticking the transfer film on the rubber ring part to form four layers of composite materials A.
The four layers of composite materials A are formed, wherein the rubber ring part, namely the sealing ring body, is positioned on the rubber ring layer, one side of the rubber ring layer is adhered with the transfer film layer, the other side of the rubber ring layer is adhered with the release film layer through the double-sided adhesive layer, the transfer film is positioned on the transfer film layer, the double-sided adhesive layer is positioned on the double-sided adhesive layer, and the release film of the double-sided adhesive layer is positioned on the release film layer. When the novel plastic film is used, the release film is upwards placed, the release film is removed, the end part of the transfer film is turned over, the ring body of the rubber ring layer is placed in the sealing groove on the main body end plate, the rubber ring layer is firmly adhered to the main body end plate through the action of the double-sided adhesive layer, then the transfer film is removed, the outer end plate is covered, and finally the outer end plate is fixedly installed on the main body of a product in a bolt and other modes. The transfer membrane layer plays a role in shaping the easily-deformed sealing ring body, so that the sealing ring can be kept in the original state during delivery, transportation and storage until assembly and use, the assembly difficulty is reduced, the thickness of the rubber ring layer is uniform and consistent, gaps among the end plates after assembly are uniform, curing is not needed, and the assembly efficiency is high.
Preferably, the method further comprises: s5, replacing the release film, removing the release film with the double-sided adhesive tape during compounding, and sticking a new release film to form a four-layer composite material B, wherein the new release film is in a plane layer shape.
Preferably, in step S4, the transfer film is provided with a positioning hole.
Preferably, in the four-layer composite material a or B, the positioning hole is located inside the rubber ring portion.
Preferably, in the four-layer composite material a or B, the plurality of positioning holes are distributed around the rubber ring part in a central symmetry manner.
The end sealing rubber ring is made of four layers of composite materials A or B by the preparation method.
Compared with the prior art, the invention has the following technical advantages:
1. the invention adopts a die-cutting molding mode to produce the sealing ring body, uses the transfer film to carry out auxiliary supporting shaping to keep the original shape of the sealing ring body, is convenient for assembly, and the composite double faced adhesive tape ensures good adhesion between the sealing ring body and the end face of the main body during assembly, has good assembly stability,
2. the preparation method has strong universality, can produce end sealing rubber ring products with various sizes and types, and the thickness of the rubber ring layers of the end sealing rubber ring products is uniform, the gap between the end plates is uniform after assembly, curing is not needed, the assembly efficiency is high, the outer end plates are not needed to be damaged during later maintenance,
3. the end sealing rubber ring adopts the transfer film layer to shape the easily deformed sealing ring body, so that the sealing ring can be kept in the original state when leaving a factory, transporting and storing until being assembled and used, the assembly difficulty is reduced,
4. the transfer film layer is made of transparent materials, the assembly process is visible, the ring body is convenient to be aligned with the sealing groove,
5. the design of locating hole needs to cooperate the product reference column to use, can realize quick location assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
figure 1 is a front view of an end seal of embodiment 1,
figure 2 is a top view of the end seal of example 1,
figure 3 is a front view of the end seal of example 2,
figure 4 is a top view of the end seal of example 3 or 5,
fig. 5 is a top view of the end seal rubber ring in embodiment 4 or 6, wherein:
1. transfer membranous layer 2, rubber ring layer 3, two-sided adhesive layer 4, from membranous layer 5, interior locating hole, 6, outer locating hole, 7, sealing washer circle body.
Detailed Description
The present invention will be described in further detail with reference to the embodiments and the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. The exemplary embodiments of the present invention and the descriptions thereof are used herein to explain the present invention, but are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating orientations or positional relationships based on the positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The problem that the end part needs to be sealed in the production of parts such as a hydrogen engine is solved, a semi-fluid sealant mode is adopted at present, namely a groove is formed in the end face of a main body, an outer end plate is covered after glue is injected, and then the sealing is performed for a certain time after solidification, and bolts are arranged for reinforcement. The sealing mode has the problems of uneven glue spraying, long curing time, damage to the outer end plate due to later maintenance and the like. Enterprises producing hydrogen engines and the like are seeking new solutions.
According to the analysis of the sizes and the sealing requirements of the parts such as the hydrogen engine and the like, the required sealing product is large in whole, the ring body part occupies a small proportion, the ring body part is thin and long, the sealing ring is made of an elastic material and is easy to deform, the sealing ring body product is only delivered to a customer, and when the customer assembles, the sealing ring body product is difficult to recover after being taken up, and the assembly difficulty is high. In addition, if the sealing ring body manufactured product is processed by adopting an injection vulcanization molding mode, firstly, the problem that the sealing ring body manufactured product is easy to deform still exists; secondly, after the die is manufactured, burrs are formed at the edge of the ring body; thirdly, the runner is slender, the design difficulty of the mould is high, different moulds are needed to be opened for sealing ring body products with different sizes, and the cost is too high.
The preparation method of the end sealing rubber ring comprises the following steps:
s1, compounding double-sided adhesive tape, wherein the double-sided adhesive tape is compounded on one side of the rubber ring raw material to form a three-layer composite material,
s2, die cutting, namely, placing the three-layer composite material on a die cutting machine for die cutting to form a die-cut material,
s3, removing excessive materials, removing excessive parts on the die-cut materials, only retaining the rubber ring part,
s4, sticking the transfer film, and sticking the transfer film on the rubber ring part to form four layers of composite materials A.
The sealing ring body is produced in a die-cutting molding mode, the transfer film is used for auxiliary supporting and shaping to keep the sealing ring body in an original state, the assembly is convenient, and the good adhesion between the sealing ring body and the end face of the main body during assembly is guaranteed by the composite double faced adhesive tape, so that the assembly stability is good.
The four layers of composite materials A are formed, wherein the rubber ring part is positioned on the rubber ring layer 2, one side of the rubber ring layer 2 is adhered with the transfer film layer 1, the other side of the rubber ring layer 2 is adhered with the release film layer 4 through the double-sided adhesive layer 3, the transfer film is positioned on the transfer film layer 1, the double-sided adhesive layer 2 is positioned on the double-sided adhesive layer, and the release film with the double-sided adhesive layer is positioned on the release film layer 4. When the novel plastic film is used, the release film layer 4 is placed upwards, the release film layer 4 is removed, the end part of the transfer film layer 1 is turned over, the ring body of the rubber ring layer 2 is placed in the sealing groove on the main body end plate, the rubber ring layer 2 is firmly adhered to the main body end plate through the action of the double-sided adhesive layer 3, then the transfer film layer 1 is taken down, the outer end plate is covered, and finally the outer end plate is fixedly installed on the main body of a product in a bolt and other modes. The transfer film layer 1 plays a role in shaping the easily-deformed sealing ring body 7, so that the sealing ring can be kept in the original state during delivery, transportation and storage until assembly and use, and the assembly difficulty is reduced.
In one embodiment, further comprising: s5, replacing the release film, removing the release film with the double-sided adhesive tape during compounding, and sticking a new release film to form a four-layer composite material B, wherein the new release film is in a plane layer shape. After the release film is replaced, the shape and the size of the release film layer 4 are the same as those of the transfer film layer 1, and the main difference between the four-layer composite material A and the four-layer composite material B is that. The four-layer composite material B can protect the rubber ring layer 2 from being damaged and maintain the original state of the rubber ring layer 2.
In one embodiment, in step S4, the transfer film has a positioning hole thereon. The design of locating hole needs to cooperate the product reference column to use, can realize quick location assembly. In some embodiments, in the four-layer composite material a or B, the positioning hole is located inside the rubber ring portion. In some embodiments, in the four-layer composite material a or B, a plurality of positioning holes are distributed around the rubber ring portion in a central symmetry manner.
The end sealing rubber ring is made of four layers of composite materials A or B by the preparation method. End seal rubber ring form is various, includes: the four-layer composite material A and the four-layer composite material B, and the four-layer composite material A and the four-layer composite material B with positioning holes are arranged, and the number and the specific positions of the positioning holes are different.
Example 1: the preparation method of the end sealing rubber ring comprises the following steps:
s1, compounding double-sided adhesive tape, wherein the double-sided adhesive tape is compounded on one side of the rubber ring raw material to form a three-layer composite material,
s2, die cutting, namely, placing the three-layer composite material on a die cutting machine for die cutting to form a die-cut material,
s3, removing excessive materials, removing excessive parts on the die-cut materials, only retaining the rubber ring part and the double-sided adhesive tape part corresponding to the rubber ring part,
s4, sticking a transfer film, namely sticking the transfer film on the rubber ring part, wherein the rubber ring is made of an elastomer material and has viscoelasticity, and the transfer film is mainly stuck by means of the self viscosity of the rubber ring to form four layers of composite materials A.
The formed four-layer composite material A is that the rubber ring part is positioned on the rubber ring layer 2, one side of the rubber ring layer 2 is adhered with the transfer film layer 1, the other side is adhered with the release film layer 4 through the double-sided adhesive layer 3, the shape and the size of the double-sided adhesive layer 3 are the same as those of the rubber ring layer 2, and the shape and the size of the release film layer 4 are the same as those of the rubber ring layer 2, and the composite material A is understood by referring to figures 1-2. When the sealing device is used, the release film layer 4 is placed upwards, the release film layer 4 is removed, the end part of the transfer film layer 1 is turned over, the ring body of the rubber ring layer 2 is placed in the sealing groove on the main body end plate, the double-sided adhesive layer 3 is used, the rubber ring layer 2 is firmly adhered to the main body end plate, then the transfer film layer 1 is taken down, the outer end plate is covered, finally the outer end plate is fixedly installed on the main body of a product in a bolt and other modes, and sealing is realized between the outer end plate and the main body end plate by means of pressure and the action of the sealing ring body 7. The transfer membrane layer 1 plays a role in shaping the deformable sealing ring body 7, so that the sealing ring can be kept in the original state when leaving a factory, transporting and storing until being assembled and used, the assembly difficulty is reduced, the thickness of the rubber ring layer 2 is uniform, the gap between end plates is uniform, curing is not needed, and the assembly efficiency is improved. Still other benefits, for example, be not gluing between outer end plate and the sealing washer circle body 7, later stage involves the maintenance, unscrews the bolt, can directly take off the outer end plate, can not destroy the outer end plate, has made things convenient for later maintenance operation.
Example 2: the preparation method of the end sealing rubber ring comprises the following steps:
s1, selecting rubber ring raw materials meeting the requirements of customer hardness and thickness, synchronously conveying the rolled rubber ring raw materials and the rolled double-sided adhesive to complete single-sided compounding when the double-sided adhesive is compounded, reserving a release film of the double-sided adhesive in the step, thus forming a three-layer composite material,
s2, die cutting, namely spreading the three-layer composite material on a die cutting machine, die cutting by a lower die cutting tool to form a die cutting material, wherein the shape and specific width of the sealing silica gel are designed according to the size of the sealing area on the customer product, and a die cutting die is opened,
s3, removing excessive materials, removing excessive parts on the die-cut materials, wherein the excessive parts comprise excessive rubber ring parts and double-sided adhesive parts corresponding to the positions of the rubber ring parts, only retaining the rubber ring parts and the double-sided adhesive parts corresponding to the rubber ring parts,
s4, sticking a transfer film, namely sticking the transfer film on the rubber ring part, wherein the rubber ring is made of elastomer material and has viscoelasticity, the transfer film is mainly attached by means of the viscosity and electrostatic adsorption of the rubber ring, the transfer film plays a role of supporting the sealing ring body, and auxiliary shaping is carried out, so that the sealing ring can be kept in an original state during delivery, transportation and storage until assembly and use, the assembly difficulty is reduced,
s5, replacing the release film, removing the release film with the double-sided adhesive tape during compounding, and sticking a new release film to form a four-layer composite material B, wherein the new release film is in a plane layer shape. After the release film is replaced, the shape and size of the release film layer 4 are the same as those of the transfer film layer 1, which is the main difference between the four-layer composite material a and the four-layer composite material B, and is understood with reference to fig. 3. The four-layer composite material B can protect the rubber ring layer 2 from being damaged and maintain the original state of the rubber ring layer 2.
Example 3: in step S4 of embodiment 1, the adhesive transfer film is made of transparent material, and two positioning holes 5 are formed on the transfer film, and both positioning holes 5 are located inside the rubber ring layer 2. The transfer film layer 1 is made of transparent materials, the assembly process is visible, and the ring body is convenient to align to the sealing groove, and the assembly process is understood with reference to fig. 4.
Example 4: in step S4 of embodiment 1, four outer positioning holes 6 are formed on the adhered transfer film, and the four outer positioning holes 6 are distributed around the rubber ring layer 2 in a central symmetry manner, as will be understood with reference to fig. 5.
Example 5: in step S4 of embodiment 2, the attached transfer film is made of transparent material, and two positioning holes 5 are formed on the transfer film, and both positioning holes 5 are located inside the rubber ring layer 2, as will be understood with reference to fig. 4.
Example 6: in step S4 of embodiment 2, the attached transfer film is made of transparent material, and four outer positioning holes 6 are formed in the transfer film, and the four outer positioning holes 6 are distributed around the rubber ring layer 2 in a central symmetry manner, as will be understood with reference to fig. 5.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the equivalent embodiments using the technical disclosure described above. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The preparation method of the end sealing rubber ring is characterized in that,
the method comprises the following steps:
s1, compounding double-sided adhesive tape, wherein the double-sided adhesive tape is compounded on one side of the rubber ring raw material to form a three-layer composite material,
s2, die cutting, namely, placing the three-layer composite material on a die cutting machine for die cutting to form a die-cut material,
s3, removing excessive materials, removing excessive parts on the die-cut materials, only retaining the rubber ring part,
s4, sticking the transfer film, and sticking the transfer film on the rubber ring part to form four layers of composite materials A.
2. The method of manufacturing an end seal packing ring of claim 2, further comprising: s5, replacing the release film, removing the release film with the double-sided adhesive tape during compounding, and sticking a new release film to form a four-layer composite material B, wherein the new release film is in a plane layer shape.
3. The method for preparing an end seal rubber ring according to claim 1 or 2, wherein in step S4, the transfer film is provided with a positioning hole.
4. A method of manufacturing an end seal rubber ring according to claim 3, wherein in the four layers of composite material a or B, the positioning hole is located inside the rubber ring portion.
5. The method for manufacturing an end seal rubber ring according to claim 3, wherein in the four layers of composites a or B, a plurality of positioning holes are distributed around the rubber ring portion in a central symmetry manner.
6. The end sealing rubber ring is characterized in that the end sealing rubber ring is processed by adopting the four-layer composite material A or B prepared by the preparation method in claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069612.5A CN116039145A (en) | 2023-02-07 | 2023-02-07 | End sealing rubber ring and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069612.5A CN116039145A (en) | 2023-02-07 | 2023-02-07 | End sealing rubber ring and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116039145A true CN116039145A (en) | 2023-05-02 |
Family
ID=86117964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310069612.5A Pending CN116039145A (en) | 2023-02-07 | 2023-02-07 | End sealing rubber ring and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN116039145A (en) |
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| CN114434546A (en) * | 2020-10-30 | 2022-05-06 | 苏州鼎佳精密科技股份有限公司 | Method for asynchronously producing semi-adhesive product by gap machine |
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| CN219119792U (en) * | 2023-02-07 | 2023-06-02 | 青岛开霖电子科技有限公司 | End plate sealing ring easy to assemble |
-
2023
- 2023-02-07 CN CN202310069612.5A patent/CN116039145A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2542439Y (en) * | 2002-05-21 | 2003-04-02 | 山太士有限公司 | protective film |
| US20050250398A1 (en) * | 2004-05-07 | 2005-11-10 | Malay Patel | Sealing material |
| CN202386209U (en) * | 2011-12-01 | 2012-08-22 | 大连凯默科技有限公司 | Seamless polyurethane foaming sealing strip for cabinet |
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| CN219119792U (en) * | 2023-02-07 | 2023-06-02 | 青岛开霖电子科技有限公司 | End plate sealing ring easy to assemble |
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