CN111361170A - Preparation method of oil seal - Google Patents
Preparation method of oil seal Download PDFInfo
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- CN111361170A CN111361170A CN202010155029.2A CN202010155029A CN111361170A CN 111361170 A CN111361170 A CN 111361170A CN 202010155029 A CN202010155029 A CN 202010155029A CN 111361170 A CN111361170 A CN 111361170A
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- oil seal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides a preparation method of an oil seal, and belongs to the technical field of sealing. It has solved current production efficiency low grade technical problem. The preparation method of the oil seal is characterized by comprising the following steps: s1, preparing raw materials; s2, sizing treatment; s3, carrying out framework treatment, namely carrying out finish machining treatment on the punched semi-finished framework, removing oil stains on the surface through alkali treatment, sequentially carrying out dry sand blasting, cleaning, drying and other steps, and finally putting the semi-finished framework into a gluing device for gluing; s4, preparing a mould; s5, forming a product, namely putting the treated rubber material and the framework into a rubber injection molding machine, and vulcanizing and forming at high temperature; s6, processing the product, namely taking the molded product down from the mold, performing edge grinding processing on the molded product through a grinding device, and trimming the rubber edge to obtain a finished product; and S7, assembling the product, namely, filling the oil seal spring into the finished product obtained in the step S6 to obtain an oil seal finished product, and packaging and warehousing the oil seal finished product after the oil seal finished product is qualified. The invention has the advantage of high production efficiency.
Description
Technical Field
The invention belongs to the technical field of sealing, relates to a preparation method, and particularly relates to a preparation method of an oil seal.
Background
Oil seals are a common term for seals, simply the seal of lubricating oil. The oil seal is a mechanical element for sealing grease, and separates a part needing lubrication in a transmission part from a force-applying part, so that lubricating oil is prevented from leaking.
In the prior art, a plurality of procedures for producing the oil seal are manually operated, so that the production efficiency is influenced, and the quality of the oil seal cannot be improved, therefore, a preparation method of the oil seal is necessary.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a preparation method of an oil seal, and has the advantage of high production efficiency.
The purpose of the invention can be realized by the following technical scheme: the preparation method of the oil seal is characterized by comprising the following steps:
s1, preparing raw materials, namely preheating polyurethane to 75 ℃, preheating a curing agent to 102 ℃, pouring the polyurethane into a stirring device, adding color paste after uniformly stirring, and stirring again until the mixture has no obvious color difference;
s2, processing rubber materials, namely adding the stirred raw materials into an open mill to prepare rubber sheets with certain thickness, and cutting the rubber sheets into certain shapes after the rubber sheets are placed and cooled to room temperature;
s3, carrying out framework treatment, namely carrying out finish machining treatment on the punched semi-finished framework, removing oil stains on the surface through alkali treatment, sequentially carrying out dry sand blasting, cleaning, drying and other steps, and finally putting the semi-finished framework into a gluing device for gluing;
s4, preparing a mould, namely cleaning the mould to be used for 2-3 times, drying the mould until no water remains on the grinding tool, and standing the mould until the mould is cooled to normal temperature;
s5, forming a product, namely putting the treated rubber material and the framework into a rubber injection molding machine, and vulcanizing and forming at high temperature;
s6, processing the product, namely taking the molded product down from the mold, performing edge grinding processing on the molded product through a grinding device, and trimming the rubber edge to obtain a finished product;
and S7, assembling the product, namely, filling the oil seal spring into the finished product obtained in the step S6 to obtain an oil seal finished product, and packaging and warehousing the oil seal finished product after the oil seal finished product is qualified.
The mass ratio of the polyurethane to the curing agent to the color paste in the step S1 is 100:15: 2.
The gluing device in the step S3 comprises a base and is characterized in that a glue storage tank is fixed on the base through two first supports, recovery tanks for collecting dripped glue are respectively arranged on two sides of the glue storage tank, a stirring structure for stirring the glue is further arranged on the glue storage tank, a placing frame for placing a framework is arranged on the base through two second supports, the placing frame is connected with a power structure, and a drying structure for drying the glue on the framework is further arranged on the base; stirring structure includes agitator motor, (mixing) shaft and a plurality of pivot, and agitator motor fixes on storing up gluey groove, and agitator motor's the vertical setting of output shaft, and the (mixing) shaft rotates to set up on storing up gluey groove, and the output shaft of (mixing) shaft and agitator motor is connected, is fixed with a plurality of stirring pieces on the (mixing) shaft, and the pivot rotates to set up on storing up gluey groove, is fixed with in the pivot with a plurality of supplementary pieces of stirring piece matched with.
Structure more than adopting, the skeleton is placed on the rack, the power structure drives the rack and rotates, the skeleton loops through and stores up the glue groove and carries out the rubberizing, the glue that drips on the skeleton returns to through the accumulator and stores up in the glue groove, reduce the loss of glue, the skeleton that the rubberizing was accomplished is dried through stoving structure, agitator motor drives the (mixing) shaft through the output shaft and rotates, epaxial stirring piece stirs glue, simultaneously under the drive of stirring piece, supplementary piece is followed the stirring piece and is rotated, play the supplementary stirring effect to glue.
The rack includes fixed axle, two fixed disks and a plurality of installation pole, and the fixed axle rotates and sets up on support two, and two fixed disks are all fixed on the fixed axle, and the installation pole rotates and sets up on the fixed disk, still is fixed with a plurality of couples that are used for placing the skeleton on the installation pole.
By adopting the structure, the framework is hung on the hook, the mounting rod is rotatably arranged on the fixed disc, when the mounting rod rotates, the hook and the oil seal are kept vertically downward under the action of gravity of the oil seal, the contact surface of the hook and glue is small, and the loss of the glue is reduced.
The power structure comprises a power motor, a driving gear and a driven gear, the power motor is fixed on the base, an output shaft of the power motor is horizontally arranged, the driving gear is fixed on the output shaft of the power motor, the driven gear is fixed on the fixed shaft, and the driven gear is meshed with the driving gear.
The drying structure includes stoving box, fan, collecting pipe and a plurality of play tuber pipe, and the stoving box is fixed on the base, goes out the tuber pipe and fixes on the stoving box, and the collecting pipe is fixed on going out the tuber pipe, and the one end and the stoving box of going out the tuber pipe are linked together, and the other end and the collecting pipe of going out the tuber pipe are linked together, and the fan is fixed on the collecting pipe, and fan and collecting pipe are linked together, still are fixed with a plurality of heating pipes on the stoving box.
By adopting the structure, the heating pipe heats air, and the fan blows hot air to the glued framework through the collecting pipe and the air outlet pipe, so that the drying speed of glue on the framework is accelerated.
The bottom of the recovery tank is inclined.
Compared with the prior art, the invention has the following advantages:
1. carry out the rubberizing through the rubberizing device to the skeleton and replace artifical rubberizing, agitating unit carries out high-efficient batching to the raw materials, simplifies production process flow, has the advantage that production efficiency is high.
2. By adding polyurethane, curing agent and color paste, the service life of the oil seal is longer.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic perspective view of the present invention with a portion of the structure removed.
Fig. 3 is a schematic cross-sectional view of the present invention with portions broken away.
Fig. 4 is a schematic sectional structure view of the drying structure of the present invention.
In the figure, 1, a base; 2. a first bracket; 3. a glue storage tank; 4. a recovery tank; 5. a second bracket; 6. a stirring motor; 7. a stirring shaft; 8. a rotating shaft; 9. a stirring sheet; 10. an auxiliary sheet; 11. a fixed shaft; 12. fixing the disc; 13. mounting a rod; 14. hooking; 15. a power motor; 16. a driving gear; 17. a driven gear; 18. drying the box body; 19. a fan; 20. a collector pipe; 21. an air outlet pipe; 22. heating the tube.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the preparation method of the oil seal, in this embodiment, comprises the following steps:
s1, preparing raw materials, namely preheating polyurethane to 75 ℃, preheating a curing agent to 102 ℃, pouring the polyurethane into a stirring device, adding color paste after uniformly stirring, and stirring again until the mixture has no obvious color difference;
s2, processing rubber materials, namely adding the stirred raw materials into an open mill to prepare rubber sheets with certain thickness, and cutting the rubber sheets into certain shapes after the rubber sheets are placed and cooled to room temperature;
s3, carrying out framework treatment, namely carrying out finish machining treatment on the punched semi-finished framework, removing oil stains on the surface through alkali treatment, sequentially carrying out dry sand blasting, cleaning, drying and other steps, and finally putting the semi-finished framework into a gluing device for gluing;
s4, preparing a mould, namely cleaning the mould to be used for 2-3 times, drying the mould until no water remains on the grinding tool, and standing the mould until the mould is cooled to normal temperature;
s5, forming a product, namely putting the treated rubber material and the framework into a rubber injection molding machine, and vulcanizing and forming at high temperature;
s6, processing the product, namely taking the molded product down from the mold, performing edge grinding processing on the molded product through a grinding device, and trimming the rubber edge to obtain a finished product;
and S7, assembling the product, namely, filling the oil seal spring into the finished product obtained in the step S6 to obtain an oil seal finished product, and packaging and warehousing the oil seal finished product after the oil seal finished product is qualified.
In the step S1, the mass ratio of the polyurethane to the curing agent to the color paste is 100:15: 2.
The gluing device in the step S3 comprises a base 1, in the embodiment, a glue storage tank 3 is fixed on the base 1 through two supports I2, both sides of the glue storage tank 3 are respectively provided with a recovery tank 4 for collecting dripping glue, the glue storage tank 3 is also provided with a stirring structure for stirring the glue, the base 1 is provided with a placing rack for placing a framework through two supports II 5, the placing rack is connected with a power structure, and the base 1 is also provided with a drying structure for drying the glue on the framework; stirring structure includes agitator motor 6, (mixing) shaft 7 and a plurality of pivot 8, in this embodiment, the quantity of pivot 8 is four, agitator motor 6 is fixed on storing up gluey groove 3, the vertical setting of agitator motor 6's output shaft, agitator motor 7 rotates and sets up on storing up gluey groove 3, and the output shaft of (mixing) shaft 7 and agitator motor 6 is connected, be fixed with a plurality of stirring pieces 9 on the (mixing) shaft 7, in this embodiment, the quantity of stirring piece 9 is two, pivot 8 rotates and sets up on storing up gluey groove 3, be fixed with a plurality of supplementary pieces 10 with stirring piece 9 matched with in pivot 8, in this embodiment, the quantity of supplementary piece 10 is four.
Structure more than adopting, the skeleton is placed on the rack, the power structure drives the rack and rotates, the skeleton loops through and stores up gluey groove 3 and carries out the rubberizing, glue that drips on the skeleton returns to through accumulator 4 and stores up gluey groove 3 in, reduce the loss of glue, the skeleton that the rubberizing was accomplished is dried through drying structure, agitator motor 6 drives (mixing) shaft 7 through the output shaft and rotates, stirring piece 9 on the (mixing) shaft 7 stirs glue, simultaneously under the drive of stirring piece 9, stirring piece 9 is followed to supplementary piece 10 and is rotated, play the supplementary stirring effect to glue.
The rack includes fixed axle 11, two fixed disks 12 and a plurality of installation pole 13, and in this embodiment, the quantity of installation pole 13 is eight, and fixed axle 11 rotates and sets up on two 5 of supports, and two fixed disks 12 are all fixed on fixed axle 11, and installation pole 13 rotates and sets up on fixed disk 12, still is fixed with a plurality of couples 14 that are used for placing the skeleton on installation pole 13, and in this embodiment, the quantity of couple 14 is twenty.
By adopting the structure, the framework is hung on the hook 14, the mounting rod 13 is rotatably arranged on the fixed disc 12, when the framework rotates, the hook 14 and the oil seal keep vertical downward under the action of the gravity of the oil seal, the contact surface of the hook 14 and the glue is small, and the loss of the glue is reduced.
The power structure comprises a power motor 15, a driving gear 16 and a driven gear 17, wherein the power motor 15 is fixed on the base 1, an output shaft of the power motor 15 is horizontally arranged, the driving gear 16 is fixed on the output shaft of the power motor 15, the driven gear 17 is fixed on the fixed shaft 11, and the driven gear 17 is meshed with the driving gear 16.
The stoving structure includes stoving box 18, fan 19, collecting pipe 20 and a plurality of play tuber pipe 21, in this embodiment, the quantity that goes out tuber pipe 21 is eight, stoving box 18 is fixed on base 1, it fixes on stoving box 18 to go out tuber pipe 21, collecting pipe 20 fixes on play tuber pipe 21, the one end and the stoving box 18 of going out tuber pipe 21 are linked together, the other end and the collecting pipe 20 of going out tuber pipe 21 are linked together, fan 19 is fixed on collecting pipe 20, and fan 19 and collecting pipe 20 are linked together, still be fixed with a plurality of heating pipes 22 on the stoving box 18, in this embodiment, the quantity of heating pipe 22 is four.
By adopting the structure, the heating pipe 22 heats air, and the fan 19 blows hot air to the glued framework through the collecting pipe 20 and the air outlet pipe 21, so that the drying speed of glue on the framework is accelerated.
The bottom of the recovery tank 4 is inclined.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (2)
1. The preparation method of the oil seal is characterized by comprising the following steps:
s1, preparing raw materials, namely preheating polyurethane to 75 ℃, preheating a curing agent to 102 ℃, pouring the polyurethane into a stirring device, adding color paste after uniformly stirring, and stirring again until the mixture has no obvious color difference;
s2, processing rubber materials, namely adding the stirred raw materials into an open mill to prepare rubber sheets with certain thickness, and cutting the rubber sheets into certain shapes after the rubber sheets are placed and cooled to room temperature;
s3, carrying out framework treatment, namely carrying out finish machining treatment on the punched semi-finished framework, removing oil stains on the surface through alkali treatment, sequentially carrying out dry sand blasting, cleaning, drying and other steps, and finally putting the semi-finished framework into a gluing device for gluing;
s4, preparing a mould, namely cleaning the mould to be used for 2-3 times, drying the mould until no water remains on the grinding tool, and standing the mould until the mould is cooled to normal temperature;
s5, forming a product, namely putting the treated rubber material and the framework into a rubber injection molding machine, and vulcanizing and forming at high temperature;
s6, processing the product, namely taking the molded product down from the mold, performing edge grinding processing on the molded product through a grinding device, and trimming the rubber edge to obtain a finished product;
and S7, assembling the product, namely, filling the oil seal spring into the finished product obtained in the step S6 to obtain an oil seal finished product, and packaging and warehousing the oil seal finished product after the oil seal finished product is qualified.
2. The method for preparing the oil seal according to claim 1, wherein the mass ratio of the polyurethane to the curing agent to the color paste in the step S1 is 100:15: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155029.2A CN111361170A (en) | 2020-03-06 | 2020-03-06 | Preparation method of oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155029.2A CN111361170A (en) | 2020-03-06 | 2020-03-06 | Preparation method of oil seal |
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| Publication Number | Publication Date |
|---|---|
| CN111361170A true CN111361170A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010155029.2A Pending CN111361170A (en) | 2020-03-06 | 2020-03-06 | Preparation method of oil seal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815170A (en) * | 2021-08-20 | 2021-12-21 | 建新赵氏科技有限公司 | Bonding process of automobile vibration damper |
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|---|---|---|---|---|
| CN103407010A (en) * | 2013-08-12 | 2013-11-27 | 广州机械科学研究院有限公司 | Large-scale hydrogenated nitrile butadiene skeleton oil seal, and preparation method and application thereof |
| CN104815786A (en) * | 2015-05-06 | 2015-08-05 | 江门市鑫辉密封科技有限公司 | Treatment method of environment-friendly oil seal frame |
| CN107930985A (en) * | 2017-12-04 | 2018-04-20 | 芜湖华烨新材料有限公司 | A kind of sizer |
| CN108527741A (en) * | 2018-06-01 | 2018-09-14 | 浙江省三门县密封件厂 | A kind of production technology of sealing ring |
| CN207887453U (en) * | 2018-01-19 | 2018-09-21 | 东莞市黄沙电子科技有限公司 | A kind of plank gluing machine |
| CN209715588U (en) * | 2019-03-14 | 2019-12-03 | 兰溪市天信新型建材有限公司 | A kind of waterproof roll gluing drying integral machine |
-
2020
- 2020-03-06 CN CN202010155029.2A patent/CN111361170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407010A (en) * | 2013-08-12 | 2013-11-27 | 广州机械科学研究院有限公司 | Large-scale hydrogenated nitrile butadiene skeleton oil seal, and preparation method and application thereof |
| CN104815786A (en) * | 2015-05-06 | 2015-08-05 | 江门市鑫辉密封科技有限公司 | Treatment method of environment-friendly oil seal frame |
| CN107930985A (en) * | 2017-12-04 | 2018-04-20 | 芜湖华烨新材料有限公司 | A kind of sizer |
| CN207887453U (en) * | 2018-01-19 | 2018-09-21 | 东莞市黄沙电子科技有限公司 | A kind of plank gluing machine |
| CN108527741A (en) * | 2018-06-01 | 2018-09-14 | 浙江省三门县密封件厂 | A kind of production technology of sealing ring |
| CN209715588U (en) * | 2019-03-14 | 2019-12-03 | 兰溪市天信新型建材有限公司 | A kind of waterproof roll gluing drying integral machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815170A (en) * | 2021-08-20 | 2021-12-21 | 建新赵氏科技有限公司 | Bonding process of automobile vibration damper |
| CN113815170B (en) * | 2021-08-20 | 2023-09-01 | 建新赵氏科技股份有限公司 | Bonding process of automobile vibration damper |
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Application publication date: 20200703 |