CN2649305Y - Double downward semi-open skeleton oil seal shaping mould - Google Patents
Double downward semi-open skeleton oil seal shaping mould Download PDFInfo
- Publication number
- CN2649305Y CN2649305Y CN 200320109279 CN200320109279U CN2649305Y CN 2649305 Y CN2649305 Y CN 2649305Y CN 200320109279 CN200320109279 CN 200320109279 CN 200320109279 U CN200320109279 U CN 200320109279U CN 2649305 Y CN2649305 Y CN 2649305Y
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- China
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- counterdie
- fuse
- mould
- lower mould
- ejects
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- Expired - Fee Related
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Abstract
A double bottom-ejection half-out oil sealing die is composed of an upper mould, a lower mould, an upper mould inlay piece, a lower mould small ejection core, a lower mould big ejection core and a clip spring. A rudiment cavity is formed by the upper mould, the lower mould, the upper mould inlay piece, the lower mould small ejection core and the lower mould big ejection core. The joint part of the upper mould and the lower mould inlay piece is provided with a sealing groove which can exhaust gas and seal. The angle line seal is formed among the lower mould small ejection core, the lower mould big ejection core, lower mould, and lower mould big ejection core, which makes sealing possible. The joint part of the upper mould inlay piece and lower mould small ejection core is provided with rib stiffeners, which can get out of the mould together with the product. By doing this, compound outflow speed is lowered and cavity pressure is assured. The design has a simple structure and can realize automation of separating from the mould. During shaping process, the mould is made up at the same time glue is inserted, which causes less compound waste and easy-to-treat fins. Due to the high accuracy and good exhausting performance of the mould, therefore the utility model has high product qualification rate.
Description
Technical field
The utility model relates to the oil sealing shaping mould, the once molding formed mould of half undisguised frame oil sealing of especially two lower top types.
Background technology
Outside framework oil seal in the plant equipment is being undertaken the antiseep task under equipment running process and the static state, especially the higher equipment of precision, requirement to leakage barrier is higher, this sole mass that just means outside framework oil seal will directly influence the antiseep effect, and the workmanship of outside framework oil seal depends on the workmanship of shaping mould, the shaping mould of prior art is three layers of mode structure, the mould complexity, product is at forming process elder generation locked mode injecting glue again, exhaust problem, so product percent of pass is lower, depanning also can't realize automation, mold process makes the sizing material waste many, and burr are difficult to handle.
Summary of the invention
Technical problem to be solved in the utility model all in the defective of avoiding known technology and to society provide a kind of simple in structure, exhaust performance good, product percent of pass is high, can realize two lower top types half undisguised frame oil sealing shaping mould of depanning automation.
Embodiment of the present utility model is:
A kind of pair of lower top type half undisguised frame oil sealing shaping mould, it comprises the upper die and lower die of upper and lower mutual closed assembly, is provided with the patrix mold insert in the patrix, it is characterized in that:
The below of 1. described patrix mold insert is provided with that counterdie ejects fuse for a short time and counterdie ejects fuse greatly, and ejects fuse, counterdie for a short time by upper die and lower die, patrix mold insert, counterdie and eject fuse greatly and form oil sealing blank die cavity;
The junction of 2. described patrix and patrix mold insert is provided with seal groove;
3. described counterdie ejects fuse for a short time and counterdie ejects angle α=0.5-1.5 ° that is provided with the formation linear sealing between the fuse greatly;
4. described counterdie and counterdie eject greatly and are provided with angle β=0.5-1.5 ° that forms linear sealing between the fuse;
5. the junction that described patrix mold insert and counterdie eject fuse for a short time is provided with the overlap reinforcement.
Described seal groove is shaped as semicircle or the trapezoidal or rectangle of triangle.
Described patrix mold insert and counterdie eject the fit clearance that is respectively equipped with a=0-0.1mm, b=0.1-0.25mm on the faying face of fuse for a short time.
Described counterdie ejects the fit clearance that faying face that fuse and counterdie eject fuse greatly is provided with C=0.05-0.15mm for a short time.
Described patrix and skeleton are interference fit in the contact position, inclined-plane.
Described counterdie ejects the bottom cylindrical that fuse and counterdie eject fuse greatly for a short time and is provided with jump ring.
The shaping moudle structure of pressing the utility model design is simple, and depanning can realize automation, and glue is advanced on matched moulds limit, forming process limit, and exhaust performance is good, and the product percent of pass height removes this and also has province's sizing material, easily handles advantage such as burr.
Description of drawings
Fig. 1 partly cuts open structural representation for the utility model.
Fig. 2 is the P place structure enlarged drawing of Fig. 1.
The specific embodiment
Below at above-mentioned accompanying drawing embodiment the utility model is described further again.
Two lower top types half undisguised frame oil sealing shaping mould (referring to Fig. 1-2), by the patrix 1 that forms oil sealing blank die cavity, counterdie 6, patrix mold insert 2, counterdie ejects fuse 3 for a short time, counterdie ejects fuse 4 greatly and constitutes, on patrix and the counterdie, following closed assembly is combined into and is the cylinder bodily form, the patrix mold insert, counterdie ejects fuse for a short time, counterdie ejects fuse greatly and is located in order from top to bottom, in the counterdie, counterdie ejects bottom cylindrical that fuse 3 and counterdie eject fuse 4 greatly for a short time and is provided with axle with an elastic circlip 5, and purpose is to prevent that correlated parts when mould is inverted from falling when with product depanning pushing tow the restriction to top lifting height.
As shown in Figure 2, has good exhaust performance when guaranteeing compression molding, can reach the sealing purpose again, junction at described patrix 1 and patrix mold insert 2 is provided with triangle seal groove 7, consider the manufacturability of seal groove processing simultaneously, described seal groove is located at the outer round surface of patrix mold insert 2.
For a short time eject the mating surface that fuse 3 and counterdie eject fuse 4 greatly in order to reduce counterdie, make sealing become possibility, require both linear sealings, angle α=1 of its linear sealing °, linear sealing can prevent that sizing material from entering in both gaps and form overlap, can remove from and repair the overlap operation; Equally, described counterdie 6 and counterdie eject greatly and also require linear sealing between the fuse 4, its angle β=1 °.
Described patrix mold insert 2 is provided with overlap reinforcement 8 with the junction that counterdie ejects fuse 3 for a short time, makes to be convenient to product to take out of with overlap when depanning, can reduce the sizing material outflow rate, can guarantee the pressure in the die cavity again.
Patrix 1 of the present utility model is that close-fitting combines with patrix mold insert 2, and patrix 1 adopts interference fit with skeleton in contact position, F inclined-plane, can prevent the sizing material outflow, prevents that again product from dropping on patrix.Patrix 1 and counterdie 6, counterdie eject fuse 3 and counterdie for a short time and eject fuse 4, counterdie 6 greatly to eject fuse 4 greatly with counterdie all be bedding-in processing when fine finishining.Described patrix mold insert 2 and counterdie eject for a short time on the faying face of fuse 3 and are respectively equipped with vertical a=0.05mm, the fit clearance of horizontal monolateral b=0.2mm can be according to rubber kind difference, by the clearance control rubber flow rate, keep in the die cavity enough pressure being arranged, unnecessary sizing material is run away.Counterdie ejects the fit clearance c=0.1mm that fuse 3 and counterdie eject fuse 4 greatly for a short time, this gap by the die cavity pressurization after, make A portion that the strain of trace be arranged, produce the sealing effect.
Each part of the utility model is made by superior alloy steel, and roughing is after vacuum heat, and quenching hardness reaches HRC52
+ 3, require to improve mould and die accuracy according to cooperating again through fine finishining, prolonged die life, than spreading the mould life-saving more than 10 times.
During compression molding, upper and lower template (not shown) by press separates upper and lower mould 1,6, comprise that patrix mold insert 2 also promotes synchronously, skeleton is preset in the die cavity, sizing material in the form of a ring is enclosed within counterdie and ejects for a short time on the fuse 3, upper and lower mould separates once more after the compression molding, and product ejects fuse 4 greatly by counterdie and ejects from counterdie 6.
Claims (6)
1, a kind of pair of lower top type half undisguised frame oil sealing shaping mould, patrix (1) and counterdie (6) that it comprises upper and lower mutual closed assembly are provided with patrix mold insert (2) in the patrix, it is characterized in that:
The below of 1. described patrix mold insert (2) is provided with that counterdie ejects fuse (3) for a short time and counterdie ejects fuse (4) greatly, and ejects fuse, counterdie for a short time by upper die and lower die, patrix mold insert, counterdie and eject fuse greatly and form oil sealing blank die cavity;
2. described patrix (1) is provided with seal groove (7) with the junction of patrix mold insert (2);
3. described counterdie ejects fuse (3) for a short time and counterdie ejects angle α=0.5-1.5 ° that is provided with the formation linear sealing between the fuse (4) greatly;
4. described counterdie (6) and counterdie eject greatly and are provided with angle β=0.5-1.5 ° that forms linear sealing between the fuse (4);
5. described patrix mold insert (2) is provided with overlap reinforcement (8) with the junction that counterdie ejects fuse (3) for a short time.
2, according to claim 1 pair of lower top type half undisguised frame oil sealing shaping mould is characterized in that described seal groove is shaped as semicircle or the trapezoidal or rectangle of triangle.
3, the according to claim 1 pair of lower top type half undisguised frame oil sealing shaping mould is characterized in that described patrix mold insert (2) and counterdie eject the fit clearance that is respectively equipped with a=0-0.1mm, b=0.1-0.25mm on the faying face of fuse (3) for a short time.
4, the according to claim 1 pair of lower top type half undisguised frame oil sealing shaping mould is characterized in that described counterdie ejects the fit clearance that faying face that fuse (3) and counterdie eject fuse (4) greatly is provided with C=0.05-0.15mm for a short time.
5, according to claim 1 pair of lower top type half undisguised frame oil sealing shaping mould is characterized in that described patrix (1) and skeleton are interference fit in the contact position, inclined-plane.
6,, it is characterized in that described counterdie ejects the bottom cylindrical that fuse (3) and counterdie eject fuse (4) greatly for a short time and is provided with jump ring (5) according to claim 1 or 2 or 3 or 4 or the 5 described pairs of lower top types, half undisguised frame oil sealing shaping moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109279 CN2649305Y (en) | 2003-10-28 | 2003-10-28 | Double downward semi-open skeleton oil seal shaping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109279 CN2649305Y (en) | 2003-10-28 | 2003-10-28 | Double downward semi-open skeleton oil seal shaping mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2649305Y true CN2649305Y (en) | 2004-10-20 |
Family
ID=34343102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109279 Expired - Fee Related CN2649305Y (en) | 2003-10-28 | 2003-10-28 | Double downward semi-open skeleton oil seal shaping mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2649305Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364749C (en) * | 2005-08-01 | 2008-01-30 | 万向钱潮股份有限公司 | Plane pushing force bearing protective sleeve bicoloured rubber oil seal mould and its processing method |
| CN108973030A (en) * | 2018-09-28 | 2018-12-11 | 安徽宁国中鼎模具制造有限公司 | A kind of modified oil sealing class mold |
-
2003
- 2003-10-28 CN CN 200320109279 patent/CN2649305Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364749C (en) * | 2005-08-01 | 2008-01-30 | 万向钱潮股份有限公司 | Plane pushing force bearing protective sleeve bicoloured rubber oil seal mould and its processing method |
| CN108973030A (en) * | 2018-09-28 | 2018-12-11 | 安徽宁国中鼎模具制造有限公司 | A kind of modified oil sealing class mold |
| CN108973030B (en) * | 2018-09-28 | 2023-09-15 | 安徽宁国中鼎模具制造有限公司 | Improved oil seal mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041020 Termination date: 20121028 |