CN220534745U - Multi-lip sealing ring die - Google Patents
Multi-lip sealing ring die Download PDFInfo
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- CN220534745U CN220534745U CN202322015997.5U CN202322015997U CN220534745U CN 220534745 U CN220534745 U CN 220534745U CN 202322015997 U CN202322015997 U CN 202322015997U CN 220534745 U CN220534745 U CN 220534745U
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- die
- mould
- sealing ring
- mold
- lip
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- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 238000000748 compression moulding Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 4
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of sealing ring dies and discloses a multi-lip sealing ring die which comprises an upper die, a lower die and a middle die, wherein a sealing ring body is arranged in cavities of the upper die and the lower die, the sealing ring body is molded by die assembly of the upper die and the lower die, the middle die is assembled between the upper die and the lower die, the inner wall of the middle die is provided with a bulge, and the bulge is in interference fit with the sealing ring body. According to the utility model, the middle die is additionally arranged between the upper die and the lower die, and the sealing ring body can stay on the middle die during die stripping by utilizing interference fit between the bulge on the middle die and the sealing ring body, so that the phenomenon that a product is stripped off the upper die is avoided, an auxiliary tool is not required to be used for single stripping of the product, the labor intensity of workers is reduced, the die stripping time is reduced, and the actual working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sealing ring molds, in particular to a multi-lip sealing ring mold.
Background
The multi-lip sealing ring is a common sealing ring, the lip of the multi-lip sealing ring is deformed under the action of hydraulic force, so that the lip is clung to the sealing surface, the higher the hydraulic force is, the tighter the lip is clung to the sealing surface, and the sealing lip has certain automatic compensation capability after being worn, so that the multi-lip sealing ring is commonly used for reciprocating sealing.
As shown in fig. 1, the existing mold comprises an upper mold and a lower mold, a framework is placed in a cavity of the lower mold, glue is placed on the framework, a sealing ring product is molded in the cavities of the upper mold and the lower mold, and the outer circle of the framework sealing ring is exposed out of multiple lips, so that the sealing glue is needed, the joint section between the existing mold and the framework is higher, and if interference fit is adopted, the joint part of the outer circle of the product and the framework can be cracked, so that transition fit can only be adopted; however, the transition fit has the following disadvantages: because the lips of the product are deeper, the upper die is easy to be taken off when the product is taken out, the outer circle of the framework is not interfered, and the number of die cavities of the upper die is large, so that the labor intensity of workers for manually taking the product off is high, the demolding time is long, and the actual working efficiency is low.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides a multi-lip sealing ring die.
The utility model provides a multi-lip sealing ring die which comprises an upper die, a lower die and a middle die, wherein a sealing ring body is arranged in a cavity of the die, the sealing ring body is subjected to compression molding through die closing of the upper die, the lower die and the middle die, the middle die is assembled between the upper die and the lower die, the inner wall of the middle die is provided with a bulge, and the bulge is in interference fit with the sealing ring body.
As a further optimized scheme of the utility model, the middle die is provided with a forming hole, the bulge is fixed on the inner wall of the forming hole, the lower surface of the upper die is provided with an upper die block, the upper die block is inserted into the forming hole from top to bottom to form an upper die cavity, the upper surface of the lower die is provided with a lower die block, and the lower die block is inserted into the forming hole from bottom to top to form a lower die cavity.
As a further optimized scheme of the utility model, the bulge is an annular bulge, and the lower end surface of the bulge is higher than the contact surface of the upper die and the lower die.
As a further optimized scheme of the utility model, the height of the protrusions is 0.8-1.2mm.
As a further optimized scheme of the utility model, the sealing ring body comprises a framework part and a sealing lip, wherein the framework part is arranged in the lower cavity, the framework part is in interference fit with the bulge, and the sealing lip is arranged in the upper cavity and the lower cavity.
As a further optimized scheme of the utility model, the upper end face of the framework part is positioned above the contact surface of the upper die and the lower die.
As a further optimized scheme of the utility model, the framework part is an annular framework, and the top of the outer wall of the framework part is clung to the bulge.
The multi-lip sealing ring die provided by the utility model has the following beneficial effects:
the middle die is additionally arranged between the upper die and the lower die, and the sealing ring body can stay on the middle die when the middle die is removed by utilizing interference fit between the bulge on the middle die and the sealing ring body, so that the phenomenon that a product is removed from the upper die is avoided, an auxiliary tool is not required to be used for singly removing the product, the labor intensity of workers is reduced, the die removing time is reduced, and the actual working efficiency is improved;
and (II) compared with a longer attaching section of the traditional die, the die attaches to the framework part of the sealing ring body only through the bulge, so that the attaching height is reduced, cracking of the joint of the outer circle of the product and the framework is avoided, the product quality and the production qualification rate are improved, and the die has a wide market prospect and is beneficial to popularization.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic cross-sectional view of a prior art mold;
FIG. 2 is a schematic diagram of a seal ring product structure according to the present utility model;
FIG. 3 is a schematic longitudinal section of the multi-lip seal ring mold of the present utility model;
FIG. 4 is an enlarged schematic view of the utility model at A in FIG. 3;
FIG. 5 is a schematic drawing of the present utility model.
Description of the drawings: 1. an upper die; 2. a lower die; 3. a seal ring body; 31. a skeleton portion; 32. a sealing lip; 4. middle mold; 5. a protrusion; 6. and (5) a push rod.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 3 and 4, a multi-lip seal ring mold comprises an upper mold 1, a lower mold 2 and a middle mold 4, wherein a seal ring body 3 is arranged in a cavity of the mold, the seal ring body 3 is molded by mold closing of the upper mold 1, the lower mold 2 and the middle mold 4, the middle mold 4 is assembled between the upper mold 1 and the lower mold 2, a protrusion 5 is arranged on the inner wall of the middle mold 4, and the protrusion 5 is in interference fit with the seal ring body 3;
the middle die 4 is additionally arranged between the upper die 1 and the lower die 2, and the sealing ring body 3 can stay on the middle die 4 during die stripping by utilizing the interference fit between the bulge 5 on the middle die 4 and the sealing ring body 3, so that the phenomenon that a product is stripped and the upper die is removed is avoided, an auxiliary tool is not required to be used for single stripping of the product, the labor intensity of workers is reduced, the die stripping time is reduced, and the actual working efficiency is improved;
the lower die 2 is internally provided with a heating element, so that the sizing material in the die cavity can be heated, and the compression molding of the sealing ring body 3 is realized by combining the middle die 4 and the upper die 1;
further, the height of the bulge 5 is 0.8-1.2mm, preferably 1mm, and the bulge 5 is bonded with the framework of the sealing ring body 3, so that the bonding height is reduced, and the bonding height is only 1mm, thereby avoiding cracking at the joint of the outer circle of the product and the framework, being beneficial to improving the quality and the production qualification rate of the product, having wide market prospect and being beneficial to popularization;
specifically, a forming hole is formed in the middle die 4, the bulge 5 is fixed on the inner wall of the forming hole, the lower surface of the upper die 1 is provided with an upper die block, the upper die block is inserted into the forming hole from top to bottom to form an upper die cavity, the upper surface of the lower die 2 is provided with a lower die block, and the lower die block is inserted into the forming hole from bottom to top to form a lower die cavity;
further, the bulge 5 is an annular bulge, and the lower end surface of the bulge 5 is higher than the contact surface of the upper die 1 and the lower die 2;
the bulges 5 can also be annular point-shaped or block-shaped bulges, can be in interference fit with the sealing ring body 3, and are convenient for positioning the sealing ring body 3, so that the sealing ring body 3 stays on the middle die 4 when being demolding, and demolding operation is convenient;
specifically, referring to fig. 2 to 4, the seal ring body 3 includes a skeleton portion 31 and a seal lip 32, the skeleton portion 31 is disposed in the lower cavity, the skeleton portion 31 is in interference fit with the protrusion 5, and the seal lip 32 is disposed in the upper cavity and the lower cavity;
further, the framework part 31 is an annular framework, the top of the outer wall of the framework part 31 is clung to the bulge 5, when the material is discharged, the framework part 31 is placed in the forming hole from top to bottom, the top of the outer wall of the framework part 31 is in interference fit with the bulge 5, the positioning of the framework part 31 is realized, when the mold is closed, the upper mold 1 moves downwards, and the lower mold 2 moves upwards, so that the compression molding of the sealing lip 32 can be completed;
further, the upper end surface of the framework part 31 is positioned above the contact surface of the upper die 1 and the lower die 2, so that only a small part of the framework part 31 is positioned in the upper die cavity, most of the framework part 31 is positioned in the lower die cavity, and the gravity center of the sealing ring body 3 is positioned below, thereby avoiding the phenomenon of stripping the upper die during die stripping;
referring to fig. 5, during actual demolding, the upper mold 1 is moved upward, the lower mold 2 is moved downward, the sealing ring body 3 stays on the middle mold 4, the middle mold 4 is translated outward from the equipment, and the sealing ring body 3 is taken down from the middle mold 4 in a mode that the ejector rod 6 is ejected upward from the bottom.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a many lips sealing washer mould, includes mould (1), lower mould (2), well mould (4), its characterized in that, sealing washer body (3) set up in the die cavity of this mould, carry out compression molding to sealing washer body (3) through the compound die of last mould (1), lower mould (2) and well mould (4), well mould (4) assemble between last mould (1) and lower mould (2), the inner wall of well mould (4) has protruding (5), protruding (5) and sealing washer body (3) interference fit.
2. The multi-lip seal ring mold according to claim 1, wherein the middle mold (4) is provided with a molding hole, the bulge (5) is fixed on the inner wall of the molding hole, the lower surface of the upper mold (1) is provided with an upper module, the upper module is inserted into the molding hole from top to bottom to form an upper cavity, the upper surface of the lower mold (2) is provided with a lower module, and the lower module is inserted into the molding hole from bottom to top to form a lower cavity.
3. A multi-lip seal ring die according to claim 2, wherein the protrusion (5) is an annular protrusion, and the lower end surface of the protrusion (5) is higher than the contact surface of the upper die (1) and the lower die (2).
4. A multi-lip seal mould according to claim 2, characterized in that the height of the protrusions (5) is 0.8-1.2mm.
5. A multi-lip seal ring mould according to claim 2, characterized in that the seal ring body (3) comprises a skeleton portion (31) and a seal lip (32), the skeleton portion (31) is arranged in the lower cavity, and the skeleton portion (31) is in interference fit with the protrusion (5), and the seal lip (32) is arranged in the upper cavity and the lower cavity.
6. The multi-lip seal mold according to claim 5, wherein the upper end surface of the skeleton portion (31) is located above the contact surface of the upper mold (1) and the lower mold (2).
7. The multi-lip seal ring mold according to claim 5, wherein the skeleton portion (31) is an annular skeleton, and the top of the outer wall of the skeleton portion (31) is closely attached to the protrusion (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322015997.5U CN220534745U (en) | 2023-07-29 | 2023-07-29 | Multi-lip sealing ring die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322015997.5U CN220534745U (en) | 2023-07-29 | 2023-07-29 | Multi-lip sealing ring die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220534745U true CN220534745U (en) | 2024-02-27 |
Family
ID=89973979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322015997.5U Active CN220534745U (en) | 2023-07-29 | 2023-07-29 | Multi-lip sealing ring die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220534745U (en) |
-
2023
- 2023-07-29 CN CN202322015997.5U patent/CN220534745U/en active Active
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