CN110509471A - A kind of preparation method of hollow circular rubber parts - Google Patents
A kind of preparation method of hollow circular rubber parts Download PDFInfo
- Publication number
- CN110509471A CN110509471A CN201910671027.6A CN201910671027A CN110509471A CN 110509471 A CN110509471 A CN 110509471A CN 201910671027 A CN201910671027 A CN 201910671027A CN 110509471 A CN110509471 A CN 110509471A
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- CN
- China
- Prior art keywords
- rubber ring
- mold
- coated
- release agent
- metal lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/1203—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by manufacturing, e.g. assembling or testing procedures for the damper units
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
Abstract
The invention discloses a kind of preparation methods of hollow circular rubber parts, belong to drive shaft system antivibration area, step of the invention are as follows: firstly, being machined into method produces the metal lining that outer ring surface has boss；Secondly, going out the rubber ring of outer layer convex-shaped with first set Mold Making；Again, directly internal layer rubber ring of the vulcanization on the outside of metal lining is produced with the second mold；Then, rubber ring and metal lining are fixed by fixture；Finally, rubber ring and metal lining sulfuration adhesion are formed hollow circular rubber parts.Preparation section of the present invention is simple, hollow circular rubber parts good seal performance obtained, and installation is simple, can be used for the vibration damping of shafting.
Description
Technical field
The invention belongs to drive shaft system antivibration areas, and in particular to a kind of preparation method of hollow circular rubber parts.
Background technique
Rubber damping technology is widely used in railway, ship, aircraft and mechanical equipment, and rubber is also used for being fabricated to various shapes
The damper of shape, reducing or eliminate mechanical vibration, achieving the purpose that vibration damping and reducing impact.
In current shafting damper, there are commonly dry damping device, squeeze film damper and intelligent springs to subtract
Vibration etc., and the application for carrying out vibration damping for ring-shaped rubber part is mainly solid rubber ring damper, and hollow rubber ring is subtracted
Shake device application it is seldom, be primarily due to that preparing for hollow rubber ring is complex, and the leakproofness of annular cavity is relatively difficult to ensure
Card.
Summary of the invention
The invention discloses a kind of preparation method of hollow circular rubber parts, this method make hollow rubber ring processing and
Bond simpler, force when especially bonding is more convenient, solves the preparation of hollow rubber ring existing in the prior art
The problem of complex, annular cavity leakproofness is relatively difficult to guarantee.
The present invention is implemented as follows:
A kind of preparation method of hollow circular rubber parts, which is characterized in that the step is specific as follows:
Step 1 produces the metal lining that outer ring has boss using machining process first；
Step 2 goes out the rubber ring of outer layer convex-shaped with first set Mold Making；
Step 3 produces directly internal layer rubber ring of the vulcanization on the outside of metal lining with the second mold；
Rubber ring and vulcanization are had the metal lining of internal layer rubber ring to fix by step 4 by fixture；
Step 5, finally, the rubber ring of outer layer convex-shaped and vulcanization to be had to the metal lining sulfuration adhesion of internal layer rubber ring, shape
At hollow circular rubber parts.
Further, the step two is specially the rubber ring for assembling the first mold and preparing outer layer convex-shaped,
It is specific as follows:
2.1, assemble the first mold: upper internal model and middle core insert clamp the inner cavity ring for being coated with release agent in utilization, described
Inner cavity ring inside setting adjustment sleeve because the structure of sleeve is that thus can radially have one axial jagged
Fixed deformability, the gap that can be used in adjusting between upper internal model and middle core insert can will be applied by bushing and nut
Have in release agent upper internal model and be coated with the middle core insert of release agent and fixed in bottom, formed it is whole, during entirety at this time makes
Inner cavity ring can be fixedly secured by upper internal model and middle core insert；
2.2, lower external mold is placed on the peripheral position for being coated with the mold base upper end of release agent by；
2.3, by the middle position for being integrally placed at mold base upper end of above-mentioned steps 2.1, then will be coated in release agent upper outer
Mould, which is placed on, to be coated in release agent above lower external mold, and casting type chamber, i.e., the shape of the described outer annular rubber parts are formed；Then it takes
Uniformly mixed base polyurethane prepolymer for use as and vulcanizing agent liquid is poured；
2.4, it finally molds, covers the die cover for being coated with release agent, mold is put on vulcanizing equipment, and set vulcanizing equipment ginseng
Number carries out molding vulcanizing treatment；Modulus after the completion of vulcanizing treatment carries out deburring, leveling to rubber parts, prepares after the assay was approved
The rubber ring of outer layer convex-shaped out.
Further, the step three is specially to assemble the second mold and prepare internal layer rubber ring, specific as follows:
3.1, the metal lining with boss is assembled on the outside of mandrel first, forms an entirety；
3.2, then step 1 is assembled into entirety and is put into the lower die for being coated with release agent, it is placed above lower die and is coated with release agent
Middle mould, the shape of the second mold shape forming cavity namely the internal layer rubber ring at this time；Then, uniformly mixed poly- ammonia is taken
Ester performed polymer and vulcanizing agent liquid are poured；
3.3, it finally molds, covers the upper mold for being coated with release agent, the second mold assembled is put on vulcanizing equipment, and is set
Determine the parameters such as the temperature, pressure and time of vulcanizing equipment and carries out molding vulcanizing treatment；Modulus after the completion of vulcanizing treatment obtains and gold
Belong to bushing and vulcanizes the internal layer rubber ring being integrated.
Further, the boss of the metal lining is 2-3mm.
Further, the step four specifically: internal layer rubber ring and outer layer obtained in step 2 and step 3
Apply glue between the rubber ring of convex-shaped, by fixture from both sides to intermediary movements by metal lining, internal layer rubber ring and
Outer annular rubber parts is fixed.Need to use fixture in rubber parts and metal lining adhesion process so that rubber parts and metal it
Between clamp, since the metal lining has boss, so in the clamp Shi Gengyou point of application, exert a force more convenient, more
It is unlikely to deform.
Further, the two sides of the rubber ring of the outer layer convex-shaped are gradient, so can be when in use more pressing from both sides
Tightly, so that the effect of bonding is more preferable.
The beneficial effect of the present invention and the prior art is:
1. a kind of preparation method of hollow circular rubber parts provided by the invention, so that the processing of hollow circular rubber parts and viscous
Tie simpler, force when especially bonding is more convenient, because metal lining used has 2-3mm boss, and golden
It is bigger than rubber to belong to stiffness and strength, in bonding, additional application is used to so that the power of ectonexine rubber ring bonding has power
Point is more convenient applied force, to bond stronger.
2. internal layer rubber ring of the invention is direct vulcanization on the outer ring surface of the bushing so that internal layer rubber ring and
The bonding of metal fastens, and does not allow to be also easy to produce separation in later use process, and directly vulcanization can save time and workload.
Detailed description of the invention
Fig. 1 is the two dimensional cross-section schematic diagram of the rubber ring of outer layer convex-shaped of the invention；
Fig. 2 is the two dimensional cross-section schematic diagram that vulcanization of the invention has internal layer rubber ring moral metal lining；
Fig. 3 is the two dimensional cross-section schematic diagram of hollow circular rubber parts of the invention；
Fig. 4 is three of the rubber ring mould therefor of production outer layer convex-shaped in hollow circular rubber parts preparation method of the invention
Tie up diagrammatic cross-section；
Fig. 5 is that the two dimensional cross-section of production inner ring surface rubber parts mould therefor in hollow circular rubber parts preparation method of the invention is shown
It is intended to；
Fig. 6 is three peacekeeping three-dimensional half-section diagrams of metal lining in hollow circular rubber parts preparation method of the invention；
Fig. 7 is the diagrammatic cross-section of clamp clamping process in hollow circular rubber parts preparation method of the invention；
Wherein, 1- die cover, upper external mold in 2-, the inner cavity 3- ring, lower external mold, 5- mold base, 6- bushing, 7- nut, 8- in 4-
Middle core insert, 9- casting type chamber, 10- adjustment sleeve, upper internal model in 11-, 41- upper mold, mould in 42-, 43- lower die, 44- mandrel,
45- metal lining, 46- internal layer rubber ring, the rubber ring of 47- outer layer convex-shaped, 48- fixture.
Specific embodiment
It is clear to keep the purpose of the present invention, technical solution and effect clearer, example is exemplified below to the present invention into one
Step is described in detail.It should be understood that specific implementation described herein is not intended to limit the present invention only to explain the present invention.
The step of process of preparing of the invention are as follows: the first step produces outer ring with convex using machining process
The metal lining of platform；Second step goes out the rubber ring of outer layer convex-shaped with first set Mold Making；Third step, with the second cover die
Tool produces directly internal layer rubber ring of the vulcanization on the outside of metal lining；Vulcanization is had internal layer rubber ring by fixture by the 4th step
Metal lining and the rubber ring of outer layer convex-shaped fix；5th step applies glue between two layers of rubber ring, so that vulcanization has
It is bonded between the metal lining of internal layer rubber ring and the rubber ring of outer layer convex-shaped, forms hollow circular rubber parts, specific:
The first step produces the metal lining that outer ring has boss using machining process, as shown in Figure 6.
Second step goes out the rubber ring of outer layer convex-shaped using first set Mold Making as shown in Figure 4, i.e., such as Fig. 1 institute
The rubber ring 47 for the outer layer convex-shaped shown；Firstly, upper internal model 11 and middle core insert 8 will be coated with the inner cavity ring of release agent in utilizing
3 clamp, and in the inside of the inner cavity ring 3 setting adjustment sleeve 10, will be coated in release agent by bushing 6 and nut 7
Internal model 11 and the middle core insert 8 for being coated with release agent are fixed in bottom, are formed whole；Secondly, descending external mold 4 to be placed on by is coated with demoulding
Above the mold base 5 of agent；Again, the entirety of formation is placed on above the mold base 5 for being coated with release agent, release agent will be coated with
In upper external mold 2 be placed on and be coated in release agent above lower external mold 4, form casting type chamber, i.e., the described outer annular rubber parts 47
Shape；Then, a certain amount of uniformly mixed performed polymer and vulcanizing agent liquid is taken to be poured；Finally, molding, cover be coated with it is de-
The die cover 1 of mould agent, mold is put on vulcanizing equipment, and the parameters such as set temperature, pressure and time carry out molding sulphur
Change processing；Finally, modulus, carries out deburring, leveling to rubber parts, is after the assay was approved the rubber for producing outer layer convex-shaped
Ring 47.
Third step is produced and the direct sulfuration adhesion of the outer ring surface of metal lining 45 with the second mold as shown in Figure 5
Internal layer rubber ring 46, it is specific as shown in Figure 2；Firstly, metal lining 45 assembly as shown in FIG. 6 with 2-3mm boss is existed
On mandrel 44；Secondly, the metal lining 45 assembled and mandrel 44 are put into the lower die 43 for being coated with release agent；Again,
The middle mould 42 for being coated with release agent is put, the shape of casting type chamber 9 namely internal layer rubber ring 46 is formed；Then, a certain amount of mixing is taken
Uniform performed polymer and vulcanizing agent liquid are poured；Finally, molding, covers the upper mold 41 for being coated with release agent, by mold
It is put on vulcanizing equipment, and the parameters such as set temperature, pressure and time carry out molding vulcanizing treatment；Finally, modulus, obtains
Vulcanize the internal layer rubber ring 46 being integrated with the metal lining 45.
4th step applies glue between internal layer rubber ring 46 and the rubber ring of outer layer convex-shaped 47, passes through fixture 48
From both sides to intermediary movements thus by the rubber of the metal lining 45, the internal layer rubber ring 46 and the outer layer convex-shaped
Ring 47 is fixed, since the metal lining 45 has boss, so there is the point of application in clamp, exerts a force more convenient,
It is less easily-deformable, and the two sides of the rubber ring 47 of outer layer convex-shaped are gradient, so the more can press from both sides the more tight when in use, be made
The effect that must be bonded is more preferable, as shown in fig. 7, Fig. 7 a ~ Fig. 7 d is respectively used in hollow circular rubber parts preparation method of the present invention
The initial position of clamping in fixture clamping process, start clamping, rubber starts deformation, the section signal of the final position of clamping
Figure.During clamping, since rubber can be such that rubber and metal lining presss from both sides with constant slope with the movement of fixture
Tightly, this process, external force are applied on fixture, cause rubber deformation, since the rigidity of metal lining 45 is rigid much larger than rubber
Degree is cut since metal lining is with boss, this boss plays the role of positioning and support, so that the deformation of rubber obtains centainly
Control, to be bonded between rubber stronger.
5th step, removes fixture, obtains hollow circular rubber parts as shown in Figure 3.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (6)
1. a kind of preparation method of hollow circular rubber parts, which is characterized in that the step is specific as follows:
Step 1 produces the metal lining (45) that outer ring has boss using machining process first；
Step 2 goes out the rubber ring (47) of outer layer convex-shaped with first set Mold Making；
Step 3 produces directly internal layer rubber ring (46) of the vulcanization on the outside of metal lining with the second mold；
Rubber ring and vulcanization are had the metal lining of internal layer rubber ring to fix by step 4 by fixture (48)；
Step 5, finally, the rubber ring (47) of outer layer convex-shaped and vulcanization to be had to metal lining (45) sulphur of internal layer rubber ring
Change bonding, forms hollow circular rubber parts.
2. a kind of preparation method of hollow circular rubber parts according to claim 1, which is characterized in that the step two
It specially assembles the first mold and prepares the rubber ring of outer layer convex-shaped, specific as follows:
2.1, assemble the first mold: upper internal model (11) and middle core insert (8) press from both sides the inner cavity ring (3) for being coated with release agent in utilization
Tightly, in the inside of the inner cavity ring (3) setting adjustment sleeve (10), release agent will be coated with by bushing (6) and nut (7)
In upper internal model (11) and be coated with the middle core insert (8) of release agent and fixed in bottom, formed integrally；
2.2, lower external mold (4) are placed on the peripheral position for being coated with mold base (5) upper end of release agent by；
2.3, above-mentioned steps 2.1 are integrally placed at the middle position of mold base (5) upper end, then will be coated in release agent
External mold (2), which is placed on, is coated in release agent lower external mold (4) above, is formed casting type chamber (9), i.e., the rubber of the described outer layer convex-shaped
The shape of rubber ring (47)；Then uniformly mixed base polyurethane prepolymer for use as and vulcanizing agent liquid is taken to be poured；
2.4, it finally molds, covers the die cover (1) for being coated with release agent, mold is put on vulcanizing equipment, and set vulcanization and set
Standby parameter carries out molding vulcanizing treatment；Modulus after the completion of vulcanizing treatment carries out deburring, leveling to rubber parts, is after the assay was approved
Prepare the rubber ring (47) of outer layer convex-shaped.
3. a kind of preparation method of hollow circular rubber parts according to claim 1, which is characterized in that the step three
It specially assembles the second mold and prepares internal layer rubber ring, specific as follows:
3.1, the metal lining (45) with boss is assemblied on the outside of mandrel (44) first, forms an entirety；
3.2, then step 2 is assembled into entirety and is put into the lower die (43) for being coated with release agent, it places and is coated with above lower die (43)
The middle mould (42) of release agent, the shape of the second mold shape forming cavity namely the internal layer rubber ring (46) at this time；Then,
Uniformly mixed base polyurethane prepolymer for use as and vulcanizing agent liquid is taken to be poured；
3.3, it finally molds, covers the upper mold (41) for being coated with release agent, the second mold assembled is put on vulcanizing equipment,
And the parameter for setting vulcanizing equipment carries out molding vulcanizing treatment；Modulus after the completion of vulcanizing treatment obtains and metal lining (45) sulphur
Turn to integrated internal layer rubber ring (46).
4. a kind of preparation method of hollow circular rubber parts according to claim 3, which is characterized in that the metal liner
The boss for covering (45) is 2-3mm.
5. a kind of preparation method of hollow circular rubber parts according to claim 1, which is characterized in that the step four
Specifically: between the rubber ring (47) of internal layer rubber ring (46) and outer layer convex-shaped obtained in step 2 and step 3
It applies glue, by fixture (48) from both sides to intermediary movements by metal lining (45), internal layer rubber ring (46) and outer layer convexity
The rubber ring (47) of shape is fixed.
6. a kind of preparation method of hollow circular rubber parts according to claim 5, which is characterized in that in the outer layer
The two sides of the rubber ring (47) of convex form and the junction band of internal layer rubber ring (46) are gradient.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671027.6A CN110509471B (en) | 2019-07-24 | 2019-07-24 | Preparation method of hollow annular rubber part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910671027.6A CN110509471B (en) | 2019-07-24 | 2019-07-24 | Preparation method of hollow annular rubber part |
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| CN110509471B CN110509471B (en) | 2021-07-09 |
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| US6308810B1 (en) * | 1998-08-07 | 2001-10-30 | Tokai Rubber Industries, Ltd. | Dynamic damper with balancing means and method of manufacturing the same |
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| Publication number | Publication date |
|---|---|
| CN110509471B (en) | 2021-07-09 |
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