CN212979092U - Injection mold for compact and smooth products - Google Patents
Injection mold for compact and smooth products Download PDFInfo
- Publication number
- CN212979092U CN212979092U CN202021186187.6U CN202021186187U CN212979092U CN 212979092 U CN212979092 U CN 212979092U CN 202021186187 U CN202021186187 U CN 202021186187U CN 212979092 U CN212979092 U CN 212979092U
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- Prior art keywords
- lifting
- channel
- plate
- thimble
- hole
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 18
- 239000004033 plastic Substances 0.000 abstract description 18
- 208000002925 dental caries Diseases 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 18
- 238000000465 moulding Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an injection mold for compact and smooth products, which comprises an upper padding plate, an upper template, a lower die holder and a lower padding plate which are arranged in sequence, wherein the upper template is provided with a lifting channel and a translation channel; be equipped with first lift chamber in the die holder, be equipped with two at least die cavitys on the lower bolster, be connected with the subchannel between all die cavitys, the bottom of subchannel is connected with the mouth of a river hole, is connected with thimble hole under the mouth of a river hole, thimble sliding connection is in thimble hole. The utility model can extrude and shape the molten plastic in the injection molding cavity, and can improve the compactness; the ejection structure does not directly act on the surface of the product, so that the defect formed on the surface of the product is avoided.
Description
Technical Field
The utility model relates to an injection mold specifically discloses an injection mold for fine and close smooth product.
Background
An injection mold is a tool for producing plastic products, and is used for endowing the plastic products with complete structures and precise sizes.
Optical products such as lenses and the like have high requirements on molding effects, and the injection molding effects with smooth surfaces and compact overall structures need to be obtained.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an injection mold for compact and smooth products, which can effectively improve the compactness of the obtained products and avoid the formation of defects on the surfaces of the products, in view of the problems in the prior art.
In order to solve the prior art problem, the utility model discloses an injection mold for compact and smooth product, including the upper padding plate that sets gradually, the cope match-plate pattern, the lower bolster, die holder and lower bolster, be equipped with the injection moulding runner in cope match-plate pattern and the upper padding plate, be equipped with perpendicular connection's lift passageway and translation passageway in the cope match-plate pattern, the one side of lift passageway is connected to the injection moulding runner, sliding connection has the lift post in the lift passageway, sliding connection has the translation pole in the translation passageway, the top of lift post is equipped with the first inclined plane towards the translation passageway, the one end that the translation pole is close to the lift passageway is equipped with the second inclined plane, the second inclined plane is parallel with first inclined plane, be equipped with the dovetail in the first inclined plane, be equipped with the forked tail guide rail in the second inclined plane, the forked tail guide rail sliding connection is in;
be equipped with first lift chamber in the die holder, be equipped with two at least die cavitys on the lower bolster, be connected with the subchannel between all die cavitys, lift passageway is located directly over the subchannel, and the bottom of subchannel is connected with the mouth of a river hole, is connected with thimble hole under the mouth of a river hole, and first lift chamber is connected to the bottom of thimble hole, and sliding connection has some thimble boards in the first lift intracavity, is fixed with the thimble on the thimble board, and thimble sliding connection is in the thimble hole.
Furthermore, an upper cooling channel positioned above the die cavity is arranged in the upper die plate, and a lower cooling channel positioned below the die cavity is arranged in the lower die plate.
Furthermore, a heater is arranged in the upper template and surrounds the bottom end of the lifting channel.
Further, the translation driving mechanism is an air cylinder.
Furthermore, a first spring is connected between the ejector plate and the inner wall of the first lifting cavity.
Furthermore, a second lifting cavity is connected between the water gap hole and the thimble hole, a lifting plate is connected in the second lifting cavity in a sliding mode, a material plugging column in the water gap hole is fixed on the lifting plate, and a second spring is connected between the lifting plate and the inner wall of the second lifting cavity.
The utility model has the advantages that: the utility model discloses an injection mold for compact and smooth products, which is provided with a non-straight special flow passage structure, and can effectively extrude and shape molten plastic in an injection molding cavity after injection molding is finished, thereby ensuring that the plastic is filled in each corner of the injection molding cavity, and simultaneously effectively improving the compactness of the obtained products; in addition, the ejection structure does not directly act on the surface of the product, so that the defects of forming grooves on the surface of the product and the like are avoided, the surface smoothness of the obtained product can be ensured, and the ejection structure acts on the surface of a water gap piece formed in a water gap hole, so that the reliability of ejection action can be effectively improved.
Drawings
Fig. 1 is a schematic structural view of the mold closing and injection molding device of the present invention.
Fig. 2 is a schematic structural view of the die sinking and discharging of the utility model.
Fig. 3 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.
The reference signs are: the injection molding device comprises an upper base plate 10, an upper die plate 11, an upper cooling channel 111, an injection molding runner 12, a lifting channel 13, a heater 131, a translation channel 14, a lower base plate 20, a lower die seat 21, a first lifting cavity 211, a lower die plate 22, a lower cooling channel 221, a die cavity 23, a branch channel 24, a water gap hole 25, an ejector pin hole 26, a second lifting cavity 27, a lifting column 31, a first inclined surface 311, a dovetail groove 312, a translation rod 32, a second inclined surface 321, a dovetail guide rail 322, a translation driving mechanism 33, an ejector pin plate 40, an ejector pin 41, a first spring 42, a lifting plate 50, a blocking column 51 and a second spring 52.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 to 3.
The embodiment of the utility model discloses an injection mold for compact and smooth products, which comprises an upper backing plate 10, an upper template 11, a lower template 22, a lower die holder 21 and a lower backing plate 20 which are arranged in sequence from top to bottom, wherein the lower backing plate 20 is provided with a jacking abdicating hole, the upper template 11 and the upper backing plate 10 are provided with a same injection runner 12, the upper template 11 is provided with a lifting channel 13 and a translation channel 14 which are vertically connected, one side of the translation channel 14, which penetrates through the upper template 11, is communicated with the outside, the injection runner 12 is connected with one side of the lifting channel 13, the lifting channel 13 is internally and slidably connected with a lifting column 31, the translation channel 14 is internally and slidably connected with a translation rod 32, the top of the lifting column 31 is provided with a first inclined plane 311 facing the translation channel 14, one end of the translation rod 32, which is close to the lifting channel 13, is provided with a second inclined plane 321, which is parallel and closely attached to the first inclined plane 311, the first inclined, a dovetail guide rail 322 parallel to the second inclined surface 321 is arranged in the second inclined surface 321, the dovetail guide rail 322 is a guide rail structure with a dovetail section shape, the dovetail guide rail 322 is connected in the dovetail groove 312 in a sliding manner, so that the first inclined surface 311 and the second inclined surface 321 can be ensured to be always in close contact with each other, the lifting column 31 and the translation rod 32 are always connected, each action can be ensured to move simultaneously, the injection molding action is stable and reliable, one end of the translation rod 32, which is far away from the lifting channel 13, is connected with a translation driving mechanism 33, preferably, a shell of the translation driving mechanism 33 is fixed on one side of the upper template 11, and when the translation driving mechanism 33 drives the translation rod 32 to move horizontally in the translation channel 14, the lifting column 31 can be synchronously lifted in the lifting channel 13 under the action of the dovetail groove 312 and the dovetail;
be equipped with first lift chamber 211 in lower bolster 21, be equipped with two at least die cavities 23 on the lower bolster 22, be connected with subchannel 24 between all die cavities 23, subchannel 24 is located the top of lower bolster 22, lift channel 13 is located subchannel 24 directly over, subchannel 24's bottom is connected with the mouth of a river hole 25 that is located in lower bolster 22, be connected with thimble hole 26 under mouth of a river hole 25, first lift chamber 211 is connected to the bottom of thimble hole 26, sliding connection has thimble board 40 that can realize going up and down in first lift chamber 211, be fixed with thimble 41 on the thimble board 40, thimble 41 sliding connection is in thimble hole 26.
The utility model discloses when carrying out the injection molding processing, the compound die carries out earlier, cope match-plate pattern 11 hugs closely the contact with lower bolster 22, die cavity 23, subchannel 24 and mouth of a river hole 25 form the die cavity of moulding plastics, melting plastic gets into subchannel 24 from the bottom of moulding plastics runner 12 through lift passageway 13, die cavity 23, mouth of a river hole 25 is injected into melting plastic, stop moulding plastics after injecting quantitative melting plastic, translation actuating mechanism 33 drives translation pole 32 and is close to lift passageway 13 and moves, lift post 31 descends along lift passageway 13 under the effect of dovetail 312 and forked tail guide rail 322, until the bottom surface of lift post 31 flushes with the bottom surface of cope match-plate pattern 11, lift post 31 can effectively extrude the melting plastic in the die cavity of moulding plastics, ensure that melting plastic can effectively fill in every corner of the die cavity of moulding plastics, can ensure the compactness of final product simultaneously; the mold is opened after cooling molding, the upper mold plate 11 is separated from the lower mold plate 22, the ejector plate 40 is driven by an external mechanism to ascend, the ejector pin 41 ascends in the ejector pin hole 26 and acts on the water gap piece in the water gap hole 25 to eject the whole injection molding piece, the water gap piece has a firm structure and can provide a stable foundation for ejection, the stability of ejection and stripping actions can be effectively ensured, the ejector pin 41 does not directly act on the surface of a molded product in the mold cavity 23, the surface of the finally obtained product can be effectively prevented from forming a groove, and the surface of the product can be ensured to be smooth.
In this embodiment, the upper mold plate 11 is provided with an upper cooling channel 111 located above the mold cavity 23, the lower mold plate 22 is provided with a lower cooling channel 221 located below the mold cavity 23, two ends of the upper cooling channel 111 are connected with an upper water inlet connector and an upper water outlet connector, two ends of the lower cooling channel 221 are also connected with a lower water inlet connector and a lower water outlet connector, and during cooling molding, cooling water is injected into the upper cooling channel 111 and the lower cooling channel 221 simultaneously, so that the cooling molding efficiency can be effectively improved.
In this embodiment, the upper mold plate 11 is provided with a heater 131, the heater 131 surrounds the bottom end of the lifting channel 13, preferably, the heater 131 is an electric heater 131, and by heating the bottom end of the lifting channel 13, the plastic solidification between the branch channel 24 and the lifting channel 13 before molding can be effectively avoided, and the plastic shaping effect of the lifting column 31 on the molten plastic in the injection mold cavity can be ensured.
In the present embodiment, the translation driving mechanism 33 is a cylinder capable of driving the translation rod 32 to perform a simple reciprocating motion in both end points.
In this embodiment, a first spring 42 is connected between the ejector plate 40 and the inner wall of the first lift cavity 211, the first spring 42 is arranged to extend and retract along the vertical direction, and the stability of the lifting action of the ejector plate 40 can be improved by the first spring 42.
In this embodiment, a second lifting cavity 27 is connected between the nozzle hole 25 and the thimble hole 26, the sectional area of the second lifting cavity 27 is larger than the areas of the nozzle hole 25 and the thimble hole 26, a lifting plate 50 is slidably connected in the second lifting cavity 27, the lifting plate 50 is located above the thimble 41, a blocking column 51 slidably connected in the nozzle hole 25 is fixed on the lifting plate 50, a second spring 52 is connected between the lifting plate 50 and the inner wall of the second lifting cavity 27, the second spring 52 is telescopically arranged along the vertical direction, during injection molding, the blocking column 51 is located at the lower half part of the nozzle hole 25, it is ensured that a nozzle part for bearing the ejection force can be formed in the nozzle hole 25, during ejection, the thimble 41 pushes the lifting plate 50 to ascend, the blocking column 51 acts on the nozzle part along with ascending and ejects the whole injection molded part, the lifting plate 50 is non-fixedly connected with the thimble 41, and the anti-interference capability of the blocking column 51 and the lifting plate 50 can be effectively improved, even if the thimble 41 shakes due to problems of other structures, the lifting of the blocking column 51 is not affected, and the lifting action of the blocking column 51 is stable and reliable.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The injection mold for the compact and smooth product comprises an upper backing plate (10), an upper mold plate (11), a lower mold plate (22), a lower mold base (21) and a lower backing plate (20) which are sequentially arranged, and is characterized in that an injection molding flow channel (12) is arranged in the upper mold plate (11) and the upper backing plate (10), a lifting channel (13) and a translation channel (14) which are vertically connected are arranged in the upper mold plate (11), the injection molding flow channel (12) is connected with one side of the lifting channel (13), a lifting column (31) is slidably connected in the lifting channel (13), a translation rod (32) is slidably connected in the translation channel (14), a first inclined plane (311) facing the translation channel (14) is arranged at the top of the lifting column (31), a second inclined plane (321) is arranged at one end, close to the lifting channel (13), of the translation rod (32), the second inclined surface (321) is parallel to the first inclined surface (311), a dovetail groove (312) is formed in the first inclined surface (311), a dovetail guide rail (322) is formed in the second inclined surface (321), the dovetail guide rail (322) is connected to the dovetail groove (312) in a sliding mode, and one end, far away from the lifting channel (13), of the translation rod (32) is connected with a translation driving mechanism (33);
be equipped with first lift chamber (211) in die holder (21), be equipped with two at least die cavities (23) on lower bolster (22), all be connected with subchannel (24) between die cavity (23), lift passageway (13) are located directly over subchannel (24), the bottom of subchannel (24) is connected with mouth of a river hole (25), be connected with thimble hole (26) under mouth of a river hole (25), the bottom of thimble hole (26) is connected first lift chamber (211), sliding connection's thimble board (40) in first lift chamber (211), be fixed with thimble (41) on thimble board (40), thimble (41) sliding connection in thimble hole (26).
2. An injection mould for densified smooth products according to claim 1, characterized in that the upper mold plate (11) has an upper cooling channel (111) therein above the mold cavity (23) and the lower mold plate (22) has a lower cooling channel (221) therein below the mold cavity (23).
3. An injection mould for densified smooth products according to claim 1, characterized in that the upper mold plate (11) has a heater (131) therein, and the heater (131) surrounds the bottom end of the lifting channel (13).
4. An injection mould for densified smooth products according to claim 1, characterized in that the translation driving mechanism (33) is a cylinder.
5. An injection mould for densified smooth products according to claim 1, characterized in that a first spring (42) is connected between the ejector plate (40) and the inner wall of the first lifting cavity (211).
6. An injection mold for dense and smooth products according to claim 1, wherein a second lifting cavity (27) is connected between the water opening hole (25) and the thimble hole (26), a lifting plate (50) is slidably connected in the second lifting cavity (27), a material blocking column (51) slidably connected in the water opening hole (25) is fixed on the lifting plate (50), and a second spring (52) is connected between the lifting plate (50) and the inner wall of the second lifting cavity (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186187.6U CN212979092U (en) | 2020-06-23 | 2020-06-23 | Injection mold for compact and smooth products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186187.6U CN212979092U (en) | 2020-06-23 | 2020-06-23 | Injection mold for compact and smooth products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212979092U true CN212979092U (en) | 2021-04-16 |
Family
ID=75425523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186187.6U Expired - Fee Related CN212979092U (en) | 2020-06-23 | 2020-06-23 | Injection mold for compact and smooth products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212979092U (en) |
-
2020
- 2020-06-23 CN CN202021186187.6U patent/CN212979092U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |