CN213500526U - Injection molding die for valve oil seal - Google Patents
Injection molding die for valve oil seal Download PDFInfo
- Publication number
- CN213500526U CN213500526U CN202021925866.0U CN202021925866U CN213500526U CN 213500526 U CN213500526 U CN 213500526U CN 202021925866 U CN202021925866 U CN 202021925866U CN 213500526 U CN213500526 U CN 213500526U
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- die
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- mold core
- oil seal
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 9
- 210000001161 mammalian embryo Anatomy 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 238000009413 insulation Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection molding die of valve oil seal, comprising an upper die and a lower die, wherein the upper die and the lower die jointly enclose a die cavity, the upper die comprises a pressing plate and a material storage plate, a glue injection cylinder is arranged on the material storage plate, the pressing plate is in sliding connection with the material storage plate, an extrusion block is arranged at the bottom of the pressing plate, and the size of the extrusion block is matched with the glue injection cylinder and can extend into the glue injection cylinder; the glue injection cylinder is communicated to the die cavity. Utility model's an usage is, deposits a certain amount of rubber embryo in the injecting glue jar, can squeeze into the die cavity with the rubber that melts in the injecting glue jar when heating and pressurization in the vulcanizer, and unnecessary rubber still remains in the injecting glue jar, and this mode need not the weight of accurate calculation rubber embryo, can not appear lacking the material phenomenon moreover, and can once reinforced, and repetitious production has improved the efficiency of production greatly and has improved the yield.
Description
Technical Field
The utility model relates to a mould field of sealing member, more specifically, the utility model relates to an injection moulding mould of valve oil blanket.
Background
The oil seal is a mechanical element for sealing oil, separates a part needing lubrication in a transmission part from an output part, and prevents lubricating oil from leaking.
The currently widely used valve oil seal vulcanizing mold mostly adopts transfer injection vulcanization molding, namely rubber blanks are placed in the mold, the mold is closed and then vulcanized and molded through high temperature and high pressure, the molding structure is adopted to avoid the shortage of finished products in the production process, excessive rubber blanks need to be added in a material cylinder, therefore, the waste can be caused by the vulcanization of the residual rubber sheets in the material cylinder every time, a batch of rubber materials need to be placed every time of vulcanization, strict requirements on the weight of the rubber materials are needed if the waste is avoided, the complexity of operation can be improved, and the phenomena of material shortage, scorching and the like easily occur to the vulcanized products, the rejection rate is higher, the labor intensity of operators is high, and the cost is increased.
Therefore, a new type of valve oil seal forming mold is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solves current valve oil blanket in process of production the high and big problem of operator intensity of labour of rejection rate.
According to one aspect of the utility model, an injection molding die of a valve oil seal is provided, which comprises an upper die and a lower die, wherein the upper die and the lower die jointly enclose a die cavity, the upper die comprises a pressing plate and a material storage plate, a glue injection cylinder is arranged on the material storage plate, the pressing plate is in sliding connection with the material storage plate, an extrusion block is arranged at the bottom of the pressing plate, and the size of the extrusion block is matched with the glue injection cylinder and can extend into the glue injection cylinder; the glue injection cylinder is communicated to the die cavity.
Through this scheme, deposit a certain amount of rubber embryo in the injecting glue jar, can squeeze into the die cavity with the rubber that melts in the injecting glue jar when heating and pressurization in the vulcanizer, unnecessary rubber still remains in the injecting glue jar, and this mode need not the weight of accurate calculation rubber embryo, can not appear lacking the material phenomenon moreover, and can once reinforced, and production many times has improved the efficiency of production greatly and has improved the yield.
Preferably, an upper die core plate is fixed at the bottom of the material storage plate, an upper die core group is embedded in the upper die core plate, and the glue injection cylinder is communicated to the upper die core group through a glue injection sleeve.
Through the scheme, the upper die core group is used for enclosing into the die cavity, so that the die cavity can be conveniently manufactured and maintained; the upper die core group is arranged on the upper die core plate, so that the production and maintenance of the upper die core group can be facilitated.
Preferably, the pressing plate is connected with the material storage plate through a guide pillar, the bottom of the guide pillar is fixed to the material storage plate, and the pressing plate is connected with the guide pillar in a sliding mode.
Through this scheme, stability and the accuracy of position when improving the clamp plate action make the extrusion piece can get into smoothly and extrude in the notes gluey jar.
Preferably, a heat insulation plate is arranged between the material storage plate and the upper die core plate, and the upper die core plate and the heat insulation plate are fixed to the bottom surface of the material storage plate.
Through this scheme, the heat insulating board can reduce the heat transfer in the glue injection jar to the die cavity in, can make the product after the injection cooling shaping with higher speed, improves production efficiency.
Preferably, the upper mold core group comprises a main mold core and an upper mold core, the upper mold core is arranged at the top of the main mold core, and the glue injection sleeve is communicated to the main mold core through the upper mold core.
Through this scheme, go up the setting of mould benevolence and can improve the compact type of being connected with the injecting glue bushing, and make things convenient for the clearance of injecting glue sheathed tube injecting glue mouth, further made things convenient for the preparation and the maintenance of mould.
Preferably, the lower mold comprises a lower mold core plate and a bottom plate, a lower mold core is embedded in the lower mold core plate, a mold core column is arranged on the bottom plate, and the mold core column penetrates through the lower mold core and surrounds the lower mold core, the main mold core and the upper mold core together to form the mold cavity.
Through the scheme, the lower die core is arranged, so that the die is further convenient to manufacture and maintain; when the mold is opened, the mold core column moves downwards to facilitate demolding.
Preferably, the upper die and the lower die are in positioning connection through the mutual matching of the guide cone and the guide sleeve.
Through this scheme, improve the positioning accuracy when compound die between mould and the lower mould to improve the yield.
The utility model has the technical effects that the injection molding die of the valve oil seal is used, the weight of rubber blanks is not required to be accurately controlled, a single discharge can produce a plurality of batches of products, the production efficiency is greatly improved, and the labor intensity of operators can be effectively reduced; this device is enclosed by a plurality of mold cores and mould benevolence jointly, and the convenience when having improved mould production or maintaining just helps taking out of product when the die sinking.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic cross-sectional structure view of an injection molding die for a valve oil seal according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of the upper mold of fig. 1.
Fig. 3 is a schematic view illustrating a connection structure of the pressing plate and the stock plate in fig. 2.
FIG. 4 is a schematic view of the construction of the heat shield plate and upper core plate of FIG. 2.
Fig. 5 is a schematic view of the structure of the lower mold in fig. 1.
Fig. 6 is a schematic view of the structure of the lower die core plate of fig. 5.
Fig. 7 is a schematic view of the structure of the base plate of fig. 5.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 7, the injection molding mold for a valve oil seal in this embodiment includes an upper mold 1100 and a lower mold 1200, the upper mold 1100 and the lower mold 1200 together enclose a mold cavity (not shown in the drawings), the upper mold 1100 includes a pressing plate 1110 and a material storage plate 1120, a glue injection cylinder 1121 is disposed on the material storage plate 1120, the pressing plate 1110 is slidably connected with the material storage plate 1120, an extrusion block 1111 is disposed at the bottom of the pressing plate 1110, and the extrusion block 1111 is matched with the glue injection cylinder 1121 in size and can extend into the glue injection cylinder 1121; the glue injection cylinder 1121 is communicated to the mold cavity.
By the scheme of the embodiment, the upper die 1100 is fixed to the supporting position of the vulcanizing machine, and the lower die 1200 is fixed to the sliding plate frame of the vulcanizing machine; the excessive rubber blanks are stored in the rubber injection cylinder 1121, the rubber melted in the rubber injection cylinder 1121 can be extruded into the mold cavity when the rubber is heated and pressurized in the vulcanizing machine, and the redundant rubber is still remained in the rubber injection cylinder 1121.
In this embodiment or other embodiments, an upper mold core plate 1140 is fixed at the bottom of the material storage plate 1120, an upper mold core group is embedded on the upper mold core plate 1140, the glue injection cylinder 1121 is communicated to the upper mold core group through a glue injection sleeve 1122, and the upper mold core group is used for enclosing a mold cavity, so that the mold can be conveniently manufactured and maintained; the upper die core group is arranged on the upper die core plate 1140, so that the upper die core group can be conveniently produced and replaced, and the die cavity can be conveniently cleaned.
In this embodiment or other embodiments, the pressing plate 1110 is connected to the material storage plate 1120 through a guide pillar 1300, the bottom of the guide pillar 1300 is fixed to the material storage plate 1120, and the pressing plate 1110 is slidably connected to the guide pillar 1300, so that stability and position accuracy of the pressing plate 1110 during operation are improved, and the extrusion block 1111 can smoothly enter the glue injection cylinder 1121 for extrusion.
In this embodiment or other embodiments, a heat insulation plate 1130 is disposed between the material storage plate 1120 and the upper die core plate 1140, the upper die core plate 1140 and the heat insulation plate 1130 are both fixed to the bottom surface of the material storage plate 1120, and the heat insulation plate 1130 can reduce heat transfer in the glue injection cylinder 1121 to the mold cavity, so that an injected product can be cooled and molded at an accelerated speed, and the production efficiency is improved.
In this embodiment or other embodiments, the upper mold core set includes a main mold core 1141 and an upper mold core 1142, the upper mold core 1142 is disposed on the top of the main mold core 1141, the glue injection sleeve 1122 is communicated to the main mold core 1141 through the upper mold core 1142, the arrangement of the upper mold core 1142 can improve the tightness of the connection with the glue injection sleeve 1122, and facilitates the cleaning of the glue injection port of the glue injection sleeve 1122, thereby further facilitating the manufacturing and maintenance of the mold.
The thermal insulation board 1130 in this embodiment has a plurality of through holes, and the glue injection sleeve 1122 penetrates through the through holes and pushes down on the upper mold core 1142.
In this embodiment or other embodiments, the lower mold 1200 includes a lower mold core 1210 and a bottom plate 1220, a lower mold core 1211 is embedded on the lower mold core 1210, a mold core post 1221 is disposed on the bottom plate 1220, the mold core post 1221 penetrates through the lower mold core 1211 and forms the mold cavity together with the lower mold core 1211, the main mold core 1141 and the upper mold core 1142, and the lower mold core 1211 is disposed to further facilitate the manufacturing and maintenance of the mold; when the mold is opened, the mold core columns 1221 move downward to facilitate demolding.
In this embodiment or other embodiments, the upper die 1100 and the lower die 1200 are positioned and connected by the mutual matching of the guide cone 1310 and the guide sleeve 1320, and the guide cone 1310 is inserted into the guide sleeve 1320 for positioning, so that the positioning accuracy during the mold closing between the upper die 1100 and the lower die 1200 can be improved, and the yield can be improved.
The injection molding die for the valve oil seal has the technical effects that the weight of a rubber blank does not need to be accurately controlled by using the injection molding die for the valve oil seal, multiple batches of products can be produced through single discharging, the production efficiency is greatly improved, and the labor intensity of operators can be effectively reduced; this device is enclosed by a plurality of mold cores and mould benevolence jointly, and the convenience when having improved mould production or maintaining just helps taking out of product when the die sinking.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. An injection molding die of a valve oil seal comprises an upper die and a lower die, wherein the upper die and the lower die jointly enclose a die cavity; the glue injection cylinder is communicated to the die cavity.
2. The injection molding mold for the valve oil seal according to claim 1, wherein an upper mold core plate is fixed to the bottom of the material storage plate, an upper mold core group is embedded in the upper mold core plate, and the glue injection cylinder is communicated to the upper mold core group through a glue injection sleeve.
3. The injection mold for a valve oil seal according to claim 2, wherein the pressing plate is connected to the material holding plate through a guide pillar, a bottom of the guide pillar is fixed to the material holding plate, and the pressing plate is slidably connected to the guide pillar.
4. An injection molding die for a valve oil seal according to claim 3, wherein a heat insulating plate is provided between the material storage plate and the upper core plate, and the upper core plate and the heat insulating plate are both fixed to the bottom surface of the material storage plate.
5. The injection molding mold for the valve oil seal according to claim 4, wherein the upper mold core set comprises a main mold core and an upper mold core, the upper mold core is arranged at the top of the main mold core, and the glue injection sleeve is communicated to the main mold core through the upper mold core.
6. The injection molding die for the valve oil seal according to claim 5, wherein the lower die comprises a lower die core plate and a bottom plate, a lower die core is embedded in the lower die core plate, and a die core column is arranged on the bottom plate, penetrates through the lower die core and surrounds the lower die core, the main die core and the upper die core together to form the die cavity.
7. The injection molding die for the valve oil seal according to any one of claims 1 to 6, wherein the upper die and the lower die are positioned and connected through the mutual matching of the guide cone and the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925866.0U CN213500526U (en) | 2020-09-04 | 2020-09-04 | Injection molding die for valve oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925866.0U CN213500526U (en) | 2020-09-04 | 2020-09-04 | Injection molding die for valve oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213500526U true CN213500526U (en) | 2021-06-22 |
Family
ID=76446432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925866.0U Active CN213500526U (en) | 2020-09-04 | 2020-09-04 | Injection molding die for valve oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213500526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276338A (en) * | 2021-06-24 | 2021-08-20 | 磐石油压工业(安徽)有限公司 | Valve oil seal forming machine |
-
2020
- 2020-09-04 CN CN202021925866.0U patent/CN213500526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276338A (en) * | 2021-06-24 | 2021-08-20 | 磐石油压工业(安徽)有限公司 | Valve oil seal forming machine |
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