CN210705789U - Hot runner mold for forming disposable top-penetrating bottle cap - Google Patents
Hot runner mold for forming disposable top-penetrating bottle cap Download PDFInfo
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- CN210705789U CN210705789U CN201921568769.8U CN201921568769U CN210705789U CN 210705789 U CN210705789 U CN 210705789U CN 201921568769 U CN201921568769 U CN 201921568769U CN 210705789 U CN210705789 U CN 210705789U
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Abstract
The utility model relates to a forming die technical field, and disclose a hot runner mold for bottle lid is worn on shaping disposable top, including the first template, second template, third template and the fourth template that set gradually, will be used for respectively the die cavity of shaping bottle lid, push away cover, mould benevolence such as screw core and interior type core and set up respectively in the template of difference, adopt leading template mounting means structure, this kind of structure machining precision is high, and is quick detachable, and easy maintenance has also reduced the transformation and the maintenance expense in mould later stage. Secondly, conical surface location of mutually supporting all is provided with between every mould benevolence, and whole mould is under compound die locking state, all leans on the conical surface location each other when high pressure is moulded plastics to guaranteed that mould repeated positioning accuracy is high, can not appear mould off-centre, had the practicality.
Description
Technical Field
The utility model relates to a forming die technical field specifically is a hot runner mold who is used for the disposable top of shaping to wear the bottle lid.
Background
At present, in the hot runner mold of the disposable top-piercing bottle cap of the existing molding, the mold cores for molding all adopt the straight surface matching and are sliding friction surfaces, so that the mold cores are intermittent, and because in the mold closing state, about 250Mpa pressure is generated in the mold cavity during injection molding, the eccentric condition that each mold core is not concentric can be generated, the top-piercing part is uneven in glue position thickness, some parts can be perforated, and some parts are thickened. And the glue position of the top penetrating part has uneven thickness and leaks after perforation to cause quality accidents. In addition, in the existing mold, a mold core for molding is installed from the back of a template to the front, so that the maintenance of the mold is inconvenient, and a whole set of rear molds need to be disassembled when one part needs to be replaced, so that the working efficiency and the production efficiency are low.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a hot runner mold who is used for the bottle lid is worn on shaping one-time top solves and is used for fashioned mould benevolence to all adopt the cooperation of straight face and for sliding friction surface among the prior art, leads to pushing up to wear the position and glues a position uneven thickness, and is used for fashioned mould benevolence to install from the template back forward, can lead to the inconvenient problem of mould maintenance like this.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the hot runner mold for forming the disposable top-through bottle cap comprises a first template, a second template, a third template and a fourth template which are sequentially arranged; a cavity for forming the appearance and the top breaking point of the bottle cap is arranged on the first template, and a sprue bush is arranged in the cavity; the second template is provided with a push sleeve for forming the opening part of the bottle cap; the third template is provided with a threaded core for forming a sealing ring and threads in the bottle cap; the fourth template is provided with an inner core for forming a cover top penetrating ring; the cavity and the sprue bush are provided with first conical surfaces which are matched for use, the push bush and the cavity are provided with second conical surfaces which are matched for use, the threaded core and the push bush are provided with third conical surfaces which are matched for use, and the internal core and the threaded core are provided with fourth conical surfaces which are matched for use; the sprue bush is provided with a mounting hole for mounting a hot runner nozzle tip. In this scheme, at first will be used for the die cavity of shaping bottle lid, push away mould benevolence such as cover, screw core and interior type core respectively to set up on the template of difference, adopt leading template mounting means structure, this kind of structure machining precision is high, and is quick detachable, and easy maintenance has also reduced the transformation and the maintenance expense of maintaining in mould later stage. Secondly all be provided with the conical surface location of mutually supporting between every mould benevolence, whole mould is under compound die locking state, all lean on the conical surface location each other when high pressure is moulded plastics to guaranteed that mould repeated positioning accuracy is high, the eccentric condition of mould can not appear, had the practicality.
Further, the sprue bush is also provided with a cooling water tank and a sealing water ring groove. Compare in die cavity and runner cover and adopt the integral type structure, can cause the die cavity cooling poor, the runner is close to the mould temperature on the high side, leads to the condition of product shaping cycle length, sets up like this, has good cooling effect, shortens the shaping cycle of product.
Furthermore, a clamping ring groove assembly fixedly connected with the second template is arranged at the tail part of the push sleeve. The structure is simple, the installation is convenient to disassemble, and the working efficiency is improved.
Further, a step hole is further formed in the threaded core, and a water distributor is installed in the step hole. And a water separator is arranged, so that chilled water can rapidly cool the threaded core.
Further, the threaded core is provided with a first seal ring groove. And a first sealing ring groove is arranged to enhance the sealing effect.
Furthermore, a blind hole is further formed in the inner core, and a water core is installed in the blind hole. The water core is arranged, so that chilled water can rapidly pass through the water core to reach the top of the inner core.
Further, the inner core is provided with a second sealing ring groove. And a second sealing ring groove is arranged to enhance the sealing effect.
Has the advantages that: in this scheme, at first will be used for the die cavity of shaping bottle lid, push away mould benevolence such as cover, screw core and interior type core respectively to set up on the template of difference, adopt leading template mounting means structure, this kind of structure machining precision is high, and is quick detachable, and easy maintenance has also reduced the transformation and the maintenance expense of maintaining in mould later stage. Secondly all be provided with the conical surface location of mutually supporting between every mould benevolence, whole mould is under compound die locking state, all lean on the conical surface location each other when high pressure is moulded plastics to guaranteed that mould repeated positioning accuracy is high, the eccentric condition of mould can not appear, had the practicality.
Drawings
FIG. 1 is a schematic sectional view of the mold of the present invention after closing;
FIG. 2 is a schematic diagram of a product produced by the mold of the present invention;
FIG. 3 is a schematic sectional view of the product A-A produced by the mold of the present invention;
FIG. 4 is a schematic structural view of a product K produced by the mold of the present invention;
FIG. 5 is a practical schematic view of the mold for producing products of the present invention;
reference numerals: the water dispenser comprises a first template 1, a cavity 11, a sprue bush 12, a second template 2, a push bush 21, a third template 3, a threaded core 31, a water distributor 32, a fourth template 4, an inner core 41, a water core 42, a first conical surface 5, a second conical surface 6, a third conical surface 7, a fourth conical surface 8, a mineral water bucket 9, a water dispenser 10 and a sealing cover plate 11.
Detailed Description
The technical solution of the hot runner mold for forming a disposable top-through bottle cap according to the present invention will be further described in detail with reference to the following embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the hot runner mold for forming the disposable top-through bottle cap of the present embodiment includes a first mold plate 1, a second mold plate 2, a third mold plate 3 and a fourth mold plate 4, which are sequentially disposed; a cavity 11 for forming the appearance and the top breaking point of the bottle cap is arranged on the first template 1, and a sprue bush 12 is arranged in the cavity 11; the second template 2 is provided with a push sleeve 21 for forming the opening part of the bottle cap; the third template 3 is provided with a thread core 31 for forming a sealing ring and threads in the bottle cap; the fourth template 4 is provided with an inner core 41 for forming a cover top penetrating ring; the cavity 11 and the sprue bush 12 are provided with a first conical surface 5 which is matched with each other for use, the push bush 21 and the cavity 11 are provided with a second conical surface 6 which is matched with each other for use, the threaded core 31 and the push bush 21 are provided with a third conical surface 7 which is matched with each other for use, and the inner core 41 and the threaded core 31 are provided with a fourth conical surface 8 which is matched with each other for use; the sprue bushing 12 is provided with mounting holes for mounting hot runner nozzle tips. In this scheme, at first will be used for the die cavity 11 of shaping bottle lid, push away cover 21, threaded core 31 and interior die core 41 etc. mould benevolence to set up respectively on the template of difference, adopt leading template mounting means structure, this kind of structure machining precision is high, and is quick detachable, and easy maintenance has also reduced the transformation and the maintenance expense of maintaining in mould later stage. Secondly all be provided with the conical surface location of mutually supporting between every mould benevolence, whole mould is under compound die locking state, all lean on the conical surface location each other when high pressure is moulded plastics to guaranteed that mould repeated positioning accuracy is high, the eccentric condition of mould can not appear, had the practicality.
When the injection molding machine is used, the first template 1, the second template 2, the third template 3 and the fourth template 4 are matched, the casting assembly arranged at the position of the sprue bush 12 is used for injecting into the cavity 11, after the injection is finished and the product is cooled, the front and rear templates are separated from the joint surface of the first template 1 and the second template 2, the product is remained on the threaded core 31 along with the movable mold, after the mold opening is stopped, the threaded core 31 fixing plate and the push bush 21 simultaneously move forwards under the action of hydraulic external force of the injection molding machine to open the joint surface of the second template 2 and the third template 3, and after the third template 3 is stopped in a limiting mode, the push bush 21 continues to move forwards to open the joint surface of the fourth template 4 and the third template 3 until the product is ejected out, so that a molding action cycle is completed.
Further, the sprue bush 12 is also provided with a cooling water tank and a sealing water ring groove. Compare in die cavity 11 and runner cover 12 adoption integral type structure, can cause die cavity 11 cooling poor, the near mould temperature of runner is on the high side, leads to the condition of product shaping cycle length, sets up like this, has good cooling effect, shortens the shaping cycle of product.
Further, a collar slot assembly fixedly connected with the second template 2 is arranged at the tail part of the push sleeve 21. The structure is simple, the installation is convenient to disassemble, and the working efficiency is improved.
Further, a step hole is further formed in the threaded core 31, and a water separator 32 is installed in the step hole. The water separator 32 is provided to facilitate the chilled water to rapidly cool the threaded core 31.
Further, the threaded core 31 is provided with a first seal ring groove. And a first sealing ring groove is arranged to enhance the sealing effect.
Further, a blind hole is further formed in the inner core 41, and a water core 42 is installed in the blind hole. The water core 42 is provided to facilitate the rapid passage of the chilled water through the water core 42 to the top of the inner core 41.
Further, the inner core 41 is provided with a second seal ring groove. And a second sealing ring groove is arranged to enhance the sealing effect.
As shown in fig. 1 to 4, the bottle cap produced by the mold core of the present invention has a sealing cover plate 11 with a 1-shaped top breaking point. The top penetrating surface structure adopts a vertical 1-shaped structural design, so that the structure cannot be influenced by the mold closing pressure of the injection molding machine and the size of the top penetrating force cannot be influenced by the injection pressure of the injection molding machine.
As shown in figure 5, through the bottle cap produced by the die of the utility model, in use, the disposable mineral water bucket 9 stands upside down on the top surface of the water dispenser 10, can withstand the sealing cover plate 11 when the disposable top-penetrating bottle cap is put into the punch of the water dispenser 10, the sealing cover plate 11 is burst under the action of gravity at the moment, and the mineral water flows out from the middle of the disposable top-penetrating bottle cap, thereby achieving the purpose of water taking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A hot runner mold for bottle lid is worn on shaping disposable top, its characterized in that: the template comprises a first template, a second template, a third template and a fourth template which are arranged in sequence; a cavity for forming the appearance and the top breaking point of the bottle cap is arranged on the first template, and a sprue bush is arranged in the cavity; the second template is provided with a push sleeve for forming the opening part of the bottle cap; the third template is provided with a threaded core for forming a sealing ring and threads in the bottle cap; the fourth template is provided with an inner core for forming a cover top penetrating ring; the cavity and the sprue bush are provided with first conical surfaces which are matched for use, the push bush and the cavity are provided with second conical surfaces which are matched for use, the threaded core and the push bush are provided with third conical surfaces which are matched for use, and the internal core and the threaded core are provided with fourth conical surfaces which are matched for use; the sprue bush is provided with a mounting hole for mounting a hot runner nozzle tip.
2. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: the sprue bush is also provided with a cooling water tank and a sealing water ring groove.
3. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: and the tail part of the push sleeve is provided with a clamping ring groove component fixedly connected with the second template.
4. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: and a step hole is also formed in the threaded core, and a water distributor is arranged in the step hole.
5. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: the threaded core is provided with a first seal ring groove.
6. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: and a blind hole is also arranged in the inner core, and a water core is arranged in the blind hole.
7. The hot runner mold for forming a disposable push-through bottle cap according to claim 1, wherein: the inner core is provided with a second seal ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568769.8U CN210705789U (en) | 2019-09-19 | 2019-09-19 | Hot runner mold for forming disposable top-penetrating bottle cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568769.8U CN210705789U (en) | 2019-09-19 | 2019-09-19 | Hot runner mold for forming disposable top-penetrating bottle cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210705789U true CN210705789U (en) | 2020-06-09 |
Family
ID=70959697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568769.8U Active CN210705789U (en) | 2019-09-19 | 2019-09-19 | Hot runner mold for forming disposable top-penetrating bottle cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210705789U (en) |
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2019
- 2019-09-19 CN CN201921568769.8U patent/CN210705789U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 511500 workshop of Dapu Guozhu Plastic Co., Ltd., Huanghuahu Industrial Zone, Tangtang Town, Fogang County, Qingyuan City, Guangdong Province Patentee after: Guangdong Guozhu Mould Technology Co.,Ltd. Address before: 511600 Huanghuahu Industrial Zone, Tangtang Town, Fogang County, Qingyuan City, Guangdong Province Patentee before: Guangdong Guozhu Precision Mold Co.,Ltd. |
|
| TR01 | Transfer of patent right |