CN102284538B - Radial extrusion method of metal rubber composite spherical hinge - Google Patents
Radial extrusion method of metal rubber composite spherical hinge Download PDFInfo
- Publication number
- CN102284538B CN102284538B CN 201110193989 CN201110193989A CN102284538B CN 102284538 B CN102284538 B CN 102284538B CN 201110193989 CN201110193989 CN 201110193989 CN 201110193989 A CN201110193989 A CN 201110193989A CN 102284538 B CN102284538 B CN 102284538B
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- spherical hinge
- rubber composite
- composite spherical
- metal rubber
- rolls
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- 229920001967 Metal rubber Polymers 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 238000001125 extrusion Methods 0.000 title claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 8
- 238000011161 development Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003746 surface roughness Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a radial extrusion method of a metal rubber composite spherical hinge; a roller press is adopted; a support block is arranged between two rolls of the roller press; the metal rubber composite spherical hinge is arranged on the support block; the two rolls clamp the radial position of the metal rubber composite spherical hinge; through the rotation of the rolls and simultaneously the regulation of the feeding amount of the rolls, the radial extrusion of the metal cover of the product as well as the continuous adjustment and the reduction of the diameter of the metal rubber composite spherical hinge are realized, so that a rubber layer produces pre-extrusion and is not pulled, and the stress is converted into compressive stress; and the radial extrusion method of the metal rubber composite spherical hinge ensures the bonding reliability of rubber and metal as well as the prolonged service life of the product, adapts to the rapid development and related research of novel metal rubber composite spherical hinge products so that the excircle dimension precision and the surface roughness of the product directly meet the design requirements, is applicable to the mass, variety, high-efficiency and low-cost manufacturing of this type of product, and makes extrusion procedures flexible.
Description
Technical field
The present invention relates to a kind of metal rubber composite spherical hinge pressing method, relate to specifically a kind of method of metal rubber composite spherical hinge radial compression.
Background technology
Rubber is widely applied at engineering field as a kind of damping material, and wherein metal rubber composite spherical hinge is a kind of typical products during its engineering is used, and this series products use amount is large, description is many, and rubber shock-absorbing product manufacturer nearly all produces this series products.For guaranteeing product service life and rigidity property, nearly all need in the mill product (rubber layer) is carried out extrusion process; Metal rubber composite spherical hinge (figure-1) is in mold cavity, gentle regular hour sulfuration is made by pressurizeing, adding, after the product depanning, rubber will drop to normal temperature from about 150 ℃ high temperature, and the rubber volume can obviously dwindle, because the constraint of metal-coating (figure-2), when rubber shrinks, the adhesive interface of rubber and overcoat can produce very large tension, and this tension can significantly strengthen the bonding damage probability of rubber and metal, thereby causes product failure.For this reason, adopt extrusion technique that metal-coating is pushed in the engineering, by the overcoat diameter of phi reduce to realize pre-extruding to rubber layer, make aforesaid tension be reduced and eliminate, even impel rubber layer to produce compression, thereby reduce tension to bonding damage probability.Because the characteristic of rubber is to bear the life-span of tired compression much larger than the life-span of bearing tired tension, therefore, for improving the service life of metal rubber composite spherical hinge, adopt extrusion technique that rubber is pushed in advance when we also manufacture a product through being everlasting, guarantee that rubber layer in use is in the stress of compression as much as possible.
At present, extruding to this series products is axial compression, the i.e. outer vertically forced feed that is enclosed within the extrusion ring, the squeezed pressure ring endoporus of overcoat diameter is forced progressively to diminish after the extruding, thereby realize the extruding (rubber layer pushes in advance) to product, adopt the method to need configure dedicated extrusion tooling (extrusion ring, pressure-ram, die holder etc.), when product variety is many, then need to dispose a large amount of dedicated extruded frocks; Wherein, axial compression when extruding sleeve surface and extrusion ring be sliding friction, sleeve surface is very easily pulled during extruding, roughness is large, the diameter low precision, therefore adopts the method, circle product external must carry out fine finishining (grinding), to satisfy the trim designs necessary requirement.In addition, in the development phase, for obtaining required product design rigidity, need the different extrusion ring of configuration to debug amount of compression, thereby cause the rough sledding that development cost is high, the cycle is long.
Therefore, how to overcome the defects that existing metal rubber composite spherical hinge extruding exists, a kind of increase of guaranteeing the reliable of adhesion of rubber to metal and product service life is proposed, adapt to fast Development and the correlative study of metal rubber composite spherical hinge new product, make circle product external dimensional accuracy and surface roughness directly reach designing requirement, be applicable in enormous quantities, many kinds of this series products, efficient, low cost fabrication, and to make the metal rubber composite spherical hinge pressing method of extrusion process flexibility be a technical problem that needs to be resolved hurrily.
Summary of the invention
Purpose of the present invention, the aforesaid defective that exists in order to solve existing metal rubber composite spherical hinge pressing method exactly, a kind of increase of guaranteeing the reliable of adhesion of rubber to metal and product service life has been proposed, adapt to fast Development and the correlative study of metal rubber composite spherical hinge new product, make circle product external dimensional accuracy and surface roughness directly reach designing requirement, be applicable in enormous quantities, many kinds of this series products, efficient, low cost fabrication, and make the radial extrusion method of metal rubber composite spherical hinge of extrusion process flexibility.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of radial extrusion method of metal rubber composite spherical hinge, adopt roll squeezer, between two rolls of roll squeezer, a back-up block is set, metal rubber composite spherical hinge is placed on the back-up block, two rolls clamp the radial position of metal rubber composite spherical hinge, utilize roller rotational, regulate simultaneously the roll amount of feeding and realize the radial compression continuous setup of metal rubber composite spherical hinge metal-coating is reduced the metal rubber composite spherical hinge diameter, allow rubber layer produce compression thereby make rubber layer produce pre-extruding.
As a further improvement on the present invention, a driving is set in two rolls rolls wheel, another is freewheel, just can guarantee like this rotary synchronous of two rolls and ball pivot when extruding; And freewheel is removable the wheel, can regulate the roll amount of feeding by the position of regulating freewheel.
From the above mentioned as can be known, a kind of radial extrusion method of metal rubber composite spherical hinge of the present invention is specially adapted to the new product fast Development of metal rubber composite spherical hinge and the further investigation that amount of compression is determined, and in enormous quantities at this series products, in many variety production, it also possesses the industrial value that is worthy to be popularized, guarantee the increase in the reliable of adhesion of rubber to metal and product service life, adapt to fast Development and the correlative study of metal rubber composite spherical hinge new product, make circle product external dimensional accuracy and surface roughness directly reach designing requirement, be applicable to the in enormous quantities of this series products, many kinds, efficiently, low cost fabrication, and make the extrusion process flexibility.
Description of drawings
Fig. 1 is the front view of embodiment of the present invention;
Fig. 2 is the top view of embodiment of the present invention;
Fig. 3 is the metal rubber composite spherical hinge structural representation;
Fig. 4 is supporting structure schematic diagram of the present invention.
The specific embodiment
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of radial extrusion method of metal rubber composite spherical hinge, as shown in drawings, adopt roll squeezer, between two rolls 1 of roll squeezer, a back-up block 2 is set, metal rubber composite spherical hinge 3 is placed on the back-up block 2, two rolls 1 clamp the radial position of metal rubber composite spherical hinge 3, utilize roller rotational, regulate simultaneously the roll amount of feeding, the resultant metal overcoat is implemented radial compression, the overcoat distortion is along the circumferential direction progressively carried out, along with reducing of roll shop building distance, the overcoat diameter progressively reduces, length progressively increases, and realizes the radial compression continuous setup of resultant metal overcoat is reduced the metal rubber composite spherical hinge diameter, thereby make rubber layer produce pre-extruding allow rubber layer no longer tension stress be converted into compression chord, finish the radial compression to metal rubber composite spherical hinge.
As a further improvement on the present invention, a driving is set in two rolls rolls wheel, another is freewheel, just can guarantee like this rotary synchronous of two rolls and ball pivot when extruding; And freewheel is removable the wheel, can regulate the roll amount of feeding by the position of regulating freewheel.The surface of two rolls adopts surface smoothness to be simultaneously
Above hard surface roll.
In addition, for guaranteeing to be extruded the stable and balance of ball pivot in extruding, back-up block is a relatively more crucial auxiliary mould, and its height and horizontal level need to be looked the diameter that is extruded ball pivot and be adjusted accordingly.As further improvement, back-up block can be improved to structure shown in Figure 4, described back-up block is provided with rotatable bearing 4, and ball pivot 1 is placed on the bearing 4; The sliding friction of ball pivot and back-up block changes rolling friction in the extruding like this, thereby significantly improves the present invention's reliability of technology and product quality in actual applications.Be provided with height adjuster 5 in the bottom of back-up block, the center that guarantees ball pivot is in same center line height with the center of two rolls all the time on the line of centres of two rolls.Described height adjuster 5 is electric adjusting devices, is extruded ball pivot radial variations data by the sensing device collection of setting up at the support place, adjusts by the electric adjusting device of Control System of Microcomputer control height adjuster again.
Extruding by mode of the present invention is as follows with conventional axial compression contrast:
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. radial extrusion method of metal rubber composite spherical hinge, it is characterized in that: adopt roll squeezer, between two rolls of roll squeezer, a back-up block is set, metal rubber composite spherical hinge is placed on the back-up block, two rolls clamp the radial position of metal rubber composite spherical hinge, utilize roller rotational, regulate simultaneously the roll amount of feeding and realize the radial compression continuous setup of metal rubber composite spherical hinge metal-coating is reduced the metal rubber composite spherical hinge diameter, allow rubber layer produce compression thereby make rubber layer produce pre-extruding.
2. radial extrusion method of metal rubber composite spherical hinge as claimed in claim 1, it is characterized in that: a driving is set in two rolls rolls wheel, another is freewheel; And freewheel is removable the wheel, can regulate the roll amount of feeding by the position of regulating freewheel.
3. radial extrusion method of metal rubber composite spherical hinge as claimed in claim 2 is characterized in that: the surface of two rolls adopts surface smoothness to be
Above hard surface roll.
4. radial extrusion method of metal rubber composite spherical hinge as claimed in claim 3, it is characterized in that: described back-up block is provided with rotatable bearing, and ball pivot is placed on the bearing.
5. radial extrusion method of metal rubber composite spherical hinge as claimed in claim 4, it is characterized in that: the bottom at back-up block is provided with height adjuster, the center that guarantees ball pivot is in same center line height with the center of two rolls all the time on the line of centres of two rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193989 CN102284538B (en) | 2011-07-12 | 2011-07-12 | Radial extrusion method of metal rubber composite spherical hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193989 CN102284538B (en) | 2011-07-12 | 2011-07-12 | Radial extrusion method of metal rubber composite spherical hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102284538A CN102284538A (en) | 2011-12-21 |
| CN102284538B true CN102284538B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110193989 Expired - Fee Related CN102284538B (en) | 2011-07-12 | 2011-07-12 | Radial extrusion method of metal rubber composite spherical hinge |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0503213A1 (en) * | 1991-03-08 | 1992-09-16 | The Pullman Company | Improved rubber-metal bushing and method of producing same |
| CN2859078Y (en) * | 2005-06-22 | 2007-01-17 | 株洲时代新材料科技股份有限公司 | Assembling spheric hinge rubber elastic cell |
| JP2007046857A (en) * | 2005-08-11 | 2007-02-22 | Yamatake Corp | Operation number control device and method |
| CN101435481A (en) * | 2008-12-15 | 2009-05-20 | 株洲时代新材料科技股份有限公司 | Ball hinge series rubber elastic element rigidity-changing method and ball hinge series rubber elastic element |
-
2011
- 2011-07-12 CN CN 201110193989 patent/CN102284538B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0503213A1 (en) * | 1991-03-08 | 1992-09-16 | The Pullman Company | Improved rubber-metal bushing and method of producing same |
| CN2859078Y (en) * | 2005-06-22 | 2007-01-17 | 株洲时代新材料科技股份有限公司 | Assembling spheric hinge rubber elastic cell |
| JP2007046857A (en) * | 2005-08-11 | 2007-02-22 | Yamatake Corp | Operation number control device and method |
| CN101435481A (en) * | 2008-12-15 | 2009-05-20 | 株洲时代新材料科技股份有限公司 | Ball hinge series rubber elastic element rigidity-changing method and ball hinge series rubber elastic element |
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| Publication number | Publication date |
|---|---|
| CN102284538A (en) | 2011-12-21 |
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Granted publication date: 20130327 |