CN219686423U - Air sterilizer casing injection mold - Google Patents
Air sterilizer casing injection mold Download PDFInfo
- Publication number
- CN219686423U CN219686423U CN202320779824.8U CN202320779824U CN219686423U CN 219686423 U CN219686423 U CN 219686423U CN 202320779824 U CN202320779824 U CN 202320779824U CN 219686423 U CN219686423 U CN 219686423U
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- glue inlet
- air sterilizer
- convex part
- concave cavity
- cavity
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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 125
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an air sterilizer shell injection mold, which comprises an upper mold base, an upper mold, a lower mold and a lower mold base, wherein the upper mold is provided with a glue inlet runner; the bottom of the upper die is concavely provided with a first concave cavity upwards, and the top of the lower die is convexly provided with a first convex part upwards; the glue inlet runner comprises a main glue inlet and a plurality of first glue inlet runners which are arranged at the top of the upper die, and a plurality of second glue inlet runners which are vertically extended and arranged, wherein the lower ends of the second glue inlet runners are communicated to the shell cavity of the air sterilizer through pouring gates which are respectively and independently arranged, and a plurality of extending convex rib forming grooves are concavely arranged on the inner peripheral side wall of the first concave cavity along the circumferential spacing. The multi-point glue feeding device has the advantages that multi-point glue feeding is carried out on thin-wall shell products such as air sterilizer shells, glue feeding speed is improved, glue amount mould filling is more sufficient and uniform, meanwhile, separation of a pouring gate and the products becomes easy, pouring gate removal efficiency is improved, and overall structural strength and deformation resistance of the products can be effectively enhanced.
Description
Technical Field
The utility model relates to the technology of injection molds of thin-shell products, in particular to an air sterilizer shell injection mold.
Background
Injection molding is to inject heated and melted plastic materials into a cavity of a plastic molding die through an injection molding machine, and cool and mold the materials to obtain injection molding products with different shapes.
For the injection mold of the thin-shell product, special attention is required during glue feeding control, and the problems of poor quality of the thin-shell product caused by slow glue feeding and uneven glue filling are easily caused. For example, CN 217704453U discloses an air sterilizing machine casing injection mold, which comprises a mold base, be provided with the mould core piece on the mould base, the side symmetry of mould core piece is provided with two side shaping grooves, the side symmetry of mould core piece has seted up a plurality of side and has been solid the recess, be provided with the symmetry on the mould base and be provided with a plurality of fixed slot, all be provided with fixed logical groove around the mould base side, the side of mould core piece is provided with the casing forming die that is used for the mould processing. Injection molding liquid to be processed is injected into an upper injection molding glue port arranged in the middle of the upper closing plate through an upper closing plate arranged on the side edge of the die top seat, so that the injection molding liquid enters the surface of the shell forming die through the die top seat, and is subjected to injection molding under the mutual cooperation of the shell forming die and the die top seat, and thus an air sterilizing machine shell product is obtained. This kind of mould and industry are interior common thin shell class product injection mold, it is in order to improve the advance gluey speed and make gluey volume mould filling more abundant, even, generally can adopt the mode that the multiple spot advances to glue when the sizing material gets into the die cavity, is limited by thin shell class product self structural strength and the characteristic of being relatively more flexible, leads to need to take care of the impaired problem of product when getting rid of runner unloading process, gets reliable location back at the product, advances the gluey point again one by one and gets rid of the runner, like this, leads to runner removal efficiency not high. In addition, the glue inlet point is arranged on the outer surface (top or peripheral side surface) of the product, after the pouring gate is removed, burrs are obviously exposed and remain on the outer surface of the product, and the burr removing process (such as scraping, polishing and the like) is needed, so that time and labor are wasted.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present utility model aims at the defects existing in the prior art, and its main purpose is to provide an air sterilizer shell injection mold, which realizes multi-point glue feeding for thin-wall shell products such as air sterilizer shells, is beneficial to improving glue feeding speed, and more fully and uniformly filling the mold with glue, and simultaneously, facilitates separation of a gate from the products, is beneficial to improving gate removal efficiency, and can also effectively enhance overall structural strength and deformation resistance of the products.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the air sterilizer shell injection mold comprises an upper mold base, an upper mold, a lower mold and a lower mold base, wherein an air sterilizer shell cavity is formed between the upper mold and the lower mold, the upper mold is a movable mold, the lower mold is a fixed mold, the upper mold is provided with a glue inlet runner, and the glue inlet runner is communicated with the air sterilizer shell cavity;
the bottom of the upper die is concavely provided with a first concave cavity upwards, the top of the lower die is convexly provided with a first convex part upwards, when the upper die and the lower die are assembled, the first convex part stretches into the first concave cavity upwards, and gaps are kept between the outer peripheral side of the first convex part and the inner peripheral side of the first concave cavity and between the top of the first convex part and the inner top of the first concave cavity so as to form the shell cavity of the air sterilizer;
the glue inlet channel comprises a main glue inlet and a plurality of first glue inlet channels, wherein the main glue inlet and the plurality of first glue inlet channels are arranged at the top of the upper die, the second glue inlet channels are arranged in a plurality of vertical extending mode, the first glue inlet channels are respectively communicated with the main glue inlet and are arranged along the circumferential direction of the main glue inlet in a radial mode, the upper ends of the second glue inlet channels are communicated with the ends, far away from the main glue inlet, of the corresponding first glue inlet channels, the lower ends of the second glue inlet channels are communicated to the shell cavity of the air sterilizer through pouring gates which are respectively and independently arranged, the pouring gates are arranged at the inner top of the first concave cavity along the circumferential spacing of the first convex part, a plurality of extending convex rib forming grooves are arranged on the inner circumferential side wall of the first concave cavity in a concave mode along the circumferential spacing mode, and the pouring gates and the extending convex rib forming grooves are alternately arranged one by one.
As a preferable scheme, the inner bottom surface of the main glue inlet is lower than the inner bottom surface of the first glue inlet runner, which is close to the main glue inlet end.
As a preferable scheme, the inner bottom surface of the main glue inlet is in transitional connection with the inner bottom surface of the first glue inlet channel, which is close to the main glue inlet end, through a first guide inclined surface or a first guide cambered surface.
As a preferable scheme, the inner bottom surface of the first glue inlet channel is gradually arranged in a low-level inclined manner from the end, close to the main glue inlet, to the end, far from the main glue inlet.
As a preferable scheme, the inner bottom surface of the first glue inlet channel far away from the main glue inlet end is in transitional connection with the inner side surface of the upper end of the second glue inlet channel through a second guide inclined surface or a second guide cambered surface.
As a preferable scheme, the inner top of the first concave cavity is provided with a second convex part protruding downwards in the middle, the top of the first convex part is provided with a second concave cavity in the middle of the first convex part in a concave way, the second convex part stretches into the second concave cavity, and the outer peripheral side of the second convex part keeps a gap with the inner peripheral side of the second concave cavity.
As a preferable scheme, the inner top of the first concave cavity is provided with a plurality of burr hiding groove forming convex parts downwards in the circumferential direction, and the pouring gate correspondingly penetrates through the inner part of the burr hiding groove forming convex part and is exposed at the bottom end of the burr hiding groove forming convex part.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme shows that the pouring gate is arranged at the top circumferential space of the shell cavity of the air sterilizer mainly through the arrangement of the main glue inlet, the first glue inlet flow channel and the second glue inlet flow channel, so that the multi-point glue feeding is realized for thin-wall shell products such as the shell of the air sterilizer, the glue feeding speed is improved, the glue amount is filled more fully and uniformly, meanwhile, the pouring gate and the extending convex rib forming grooves are alternately arranged one by combining the ingenious structure of the pouring gate, the pouring gate and the products are easy to separate and are knocked off by direct external force, the products are not easy to deform and damage due to the pouring gate removing procedure, the pouring gate removing efficiency is improved, and for the thin-wall shell, the whole structural strength and the deformation resistance of the products can be effectively enhanced, and the extending convex ribs can also be used as connecting parts in the process of product installation application.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an assembled perspective view of an air sterilizer casing injection mold according to an embodiment of the present utility model;
FIG. 2 is a perspective view of an upper mold according to an embodiment of the present utility model;
FIG. 3 is a top view of an upper die according to an embodiment of the present utility model;
FIG. 4 is another perspective view of the upper mold according to the embodiment of the present utility model;
FIG. 5 is a bottom view of an upper mold according to an embodiment of the present utility model;
FIG. 6 is an enlarged view of a portion of FIG. 2 (mainly for illustrating the engagement relationship between the main glue inlet and the first glue inlet;
FIG. 7 is a perspective view of a product injection molded from an air sterilizer casing injection mold according to an embodiment of the present utility model;
FIG. 8 is another perspective view of an injection molded product of an air sterilizer casing injection mold according to an embodiment of the present utility model;
fig. 9 is a partial structural view of a gate, an upper mold, and a product according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing: the upper die holder 10, the upper die 20, the first concave cavity 21, the main glue inlet 201, the first glue inlet flow channel 202, the second glue inlet flow channel 203, the pouring gate 204, the extended convex rib forming groove 22, the second convex part 23, the burr hiding groove forming convex part 24, the lower die 30, the lower die holder 40, the product 50, the burr hiding groove 51 and the extended convex rib 52.
Detailed Description
Referring to fig. 1 to 9, specific structures of embodiments of the present utility model are shown.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
An injection mold for an air sterilizer casing comprises an upper mold base 10, an upper mold 20, a lower mold 30 and a lower mold base 40.
The upper die 20 is a movable die, a first concave cavity 21 is concavely arranged at the bottom of the upper die 20, the upper die 20 is provided with a glue inlet channel, the glue inlet channel comprises a main glue inlet 201 and a plurality of first glue inlet channels 202 which are arranged at the top of the upper die 20, the glue inlet channel further comprises a plurality of second glue inlet channels 203 which are vertically extended, the first glue inlet channels 202 are respectively communicated with the main glue inlet 201 and are radially arranged along the circumference of the main glue inlet 201, so that the length of the first glue inlet channels 202 is conveniently controlled, namely the distance between the end of the first glue inlet channels, which is far away from the main glue inlet 201, and the end, which is close to the main glue inlet 201, of each first glue inlet channel 202 is generally equal, and the glue in the first glue inlet channels 202 is conveniently kept to reach the upper ends of the second glue inlet channels 203 almost simultaneously. The inner bottom surface of the main glue inlet 201 is lower than the inner bottom surface of the first glue inlet 202 near the main glue inlet 201. The inner bottom surface of the main glue inlet 201 is in transitional connection with the inner bottom surface of the first glue inlet 202 near the main glue inlet 201 through a first guiding inclined surface or a first guiding cambered surface. The inner bottom surface of the first glue inlet channel 202 is inclined gradually from the end thereof close to the main glue inlet 201 to the end thereof far from the main glue inlet 201. The inner bottom surface of the first glue inlet channel 202 far from the main glue inlet 201 is in transitional connection with the inner side surface of the upper end of the second glue inlet channel 203 through a second guiding inclined surface or a second guiding cambered surface. The upper end of the second glue inlet runner 203 is communicated with the end, far away from the main glue inlet 201, of the corresponding first glue inlet runner 202, the lower end of the second glue inlet runner 203 is communicated to the air sterilizer casing cavity through the gates 204 which are respectively and independently arranged, the gates 204 are arranged at the inner top of the first cavity 21 along the circumferential interval of a first convex part, which is described below, a plurality of extending rib forming grooves 22 are concavely arranged on the inner circumferential side wall of the first cavity 21 along the circumferential interval, and the gates 204 and the extending rib forming grooves 22 are alternately arranged one by one. The second glue inlet flow channel 203 is vertically arranged, and can accelerate the flowing speed by utilizing the gravity of the glue stock to quickly enter the cavity of the shell of the air sterilizer. Further, a second protruding portion 23 protruding downward is provided at the center of the inner top of the first cavity 21.
The lower die 30 is a fixed die, a first protruding portion is protruding upwards from the top of the lower die 30, an air sterilizer casing cavity is formed between the upper die 20 and the lower die 30, the glue inlet runner is communicated with the air sterilizer casing cavity, when the upper die 20 and the lower die 30 are assembled, the first protruding portion protrudes upwards into the first cavity 21, and gaps are kept between the outer peripheral side of the first protruding portion and the inner peripheral side of the first cavity 21, and between the top of the first protruding portion and the inner top of the first cavity 21, so that the air sterilizer casing cavity is formed; further, a second concave cavity is formed in the middle of the top of the first convex part in a downward concave mode, the second convex part 23 stretches into the second concave cavity, and a gap is kept between the outer peripheral side of the second convex part 23 and the inner peripheral side of the second concave cavity.
And, the inner top of the first cavity 21 is provided with a plurality of burr-hiding groove forming protrusions 24 protruding downward along the circumferential direction, and the gate 204 correspondingly penetrates through the inside of the burr-hiding groove forming protrusions 24 and is exposed at the bottom end of the burr-hiding groove forming protrusions 24. Like this, can form burr hidden groove 51 on product 50, after getting rid of runner 204, the burr can not protruding in product 50 top, because runner 204 and extension fin shaping groove 22 are arranged alternately one by one for product 50 structural strength reinforcing, when getting rid of the external force action of runner 204, local stress point can not lead to product 50 to warp, the external force knocks off runner 204 in the twinkling of an eye, normally runner 204 breaks in burr hidden groove 51, generally can not remain obvious convex burr, even remain a little burr, its burr also hides in burr hidden groove 51, can not be protruding in the top surface of product 50, can not cause the negative effect in the aspect of the follow-up assembly application of product 50, no longer need carry out the burr removal process, be equivalent to omitting the burr and get rid of the process.
The main glue inlet 201, the first glue inlet flow channel 202 and the second glue inlet flow channel 203 are mainly arranged, the pouring gates 204 are arranged at intervals in the circumferential direction of the top of the cavity of the air sterilizer shell, so that multi-point glue feeding is realized for thin-wall shell products such as the air sterilizer shell, the glue feeding speed is improved, the glue amount is more fully and uniformly filled, meanwhile, the pouring gates 204 and the extending convex rib forming grooves are combined to be alternately arranged one by one, the pouring gates 204 are easy to separate from the products, the products are not easy to be deformed and damaged due to the procedure of removing the pouring gates 204, the removing efficiency of the pouring gates 204 is improved, and for the thin-wall shell, the extending convex ribs 52 formed along the circumferential direction can also be used as connecting parts for mounting and application of the products.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (7)
1. The utility model provides an air sterilizer casing injection mold, includes upper die base, goes up mould, lower mould and die holder, form air sterilizer casing die cavity between last mould and the lower mould, it is the movable mould to go up the mould, the lower mould is the cover half, it is provided with into gluey runner to go up the mould, advance gluey runner intercommunication air sterilizer casing die cavity, its characterized in that:
the bottom of the upper die is concavely provided with a first concave cavity upwards, the top of the lower die is convexly provided with a first convex part upwards, when the upper die and the lower die are assembled, the first convex part stretches into the first concave cavity upwards, and gaps are kept between the outer peripheral side of the first convex part and the inner peripheral side of the first concave cavity and between the top of the first convex part and the inner top of the first concave cavity so as to form the shell cavity of the air sterilizer;
the glue inlet channel comprises a main glue inlet and a plurality of first glue inlet channels, wherein the main glue inlet and the plurality of first glue inlet channels are arranged at the top of the upper die, the second glue inlet channels are arranged in a plurality of vertical extending mode, the first glue inlet channels are respectively communicated with the main glue inlet and are arranged along the circumferential direction of the main glue inlet in a radial mode, the upper ends of the second glue inlet channels are communicated with the ends, far away from the main glue inlet, of the corresponding first glue inlet channels, the lower ends of the second glue inlet channels are communicated to the shell cavity of the air sterilizer through pouring gates which are respectively and independently arranged, the pouring gates are arranged at the inner top of the first concave cavity along the circumferential spacing of the first convex part, a plurality of extending convex rib forming grooves are arranged on the inner circumferential side wall of the first concave cavity in a concave mode along the circumferential spacing mode, and the pouring gates and the extending convex rib forming grooves are alternately arranged one by one.
2. An air sterilizer casing injection mold according to claim 1, wherein: the inner bottom surface of the main glue inlet is lower than the inner bottom surface of the first glue inlet channel, which is close to the end of the main glue inlet.
3. An air sterilizer casing injection mold according to claim 2, wherein: the inner bottom surface of the main glue inlet is in transitional connection with the inner bottom surface of the first glue inlet channel, which is close to the main glue inlet end, through a first guide inclined surface or a first guide cambered surface.
4. An air sterilizer casing injection mould according to any one of claims 1 to 3, wherein: the inner bottom surface of the first glue inlet channel is gradually arranged in a low-level inclined manner from the end, close to the main glue inlet, to the end, far away from the main glue inlet, of the first glue inlet channel.
5. An air sterilizer casing injection mold according to claim 4, wherein: the inner bottom surface of the first glue inlet channel far away from the main glue inlet end is in transitional connection with the inner side surface of the upper end of the second glue inlet channel through a second guide inclined surface or a second guide cambered surface.
6. An air sterilizer casing injection mold according to claim 1, wherein: the inner top of the first concave cavity is provided with a second convex part protruding downwards in the middle, the top of the first convex part is provided with a second concave cavity protruding downwards in the middle, the second convex part stretches into the second concave cavity, and the outer periphery side of the second convex part keeps a gap with the inner periphery side of the second concave cavity.
7. An air sterilizer casing injection mold according to claim 1, wherein: the inner top of the first concave cavity is provided with a plurality of burr hiding groove forming convex parts in a downward protruding mode along the circumferential direction, and the pouring gate correspondingly penetrates through the inner part of the burr hiding groove forming convex part and is exposed at the bottom end of the burr hiding groove forming convex part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779824.8U CN219686423U (en) | 2023-04-10 | 2023-04-10 | Air sterilizer casing injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779824.8U CN219686423U (en) | 2023-04-10 | 2023-04-10 | Air sterilizer casing injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686423U true CN219686423U (en) | 2023-09-15 |
Family
ID=87966194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779824.8U Active CN219686423U (en) | 2023-04-10 | 2023-04-10 | Air sterilizer casing injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686423U (en) |
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2023
- 2023-04-10 CN CN202320779824.8U patent/CN219686423U/en active Active
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