CN219563994U - Main sprue structure for laminated hot runner - Google Patents
Main sprue structure for laminated hot runner Download PDFInfo
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- CN219563994U CN219563994U CN202320640361.7U CN202320640361U CN219563994U CN 219563994 U CN219563994 U CN 219563994U CN 202320640361 U CN202320640361 U CN 202320640361U CN 219563994 U CN219563994 U CN 219563994U
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a main sprue gate structure for a stacked molding hot runner, which comprises a main hot runner, a hot runner plate, main sprue gates, limit screws, springs, injection molding machine gun nozzles and a first hot runner, wherein the tail ends of the main sprue gates are fixedly arranged in the middle of the hot runner plate, the main sprue gates are movably connected to the head ends of the main hot runners through the limit screws and can axially move relative to the main hot runner, the limit screws are respectively arranged on two sides of the main sprue gates, the springs are respectively arranged in the middle of each limit screw and are positioned between the main sprue gates and the main hot runner, the first hot runner is arranged in the hot runner plate, and the first hot runner sequentially axially penetrates through the main sprue gates and the main hot runner along the direction of the main hot runner. According to the utility model, during injection molding, the gun nozzle of the injection molding machine is propped against the main sprue gate to compress the spring, glue is injected into an injection molding product, and after injection molding is finished, the main sprue gate and the main hot nozzle are sprung away from one end under the action of the spring, so that the glue in the runner cannot flow out of the main sprue gate, and the problem of casting and wiredrawing of the main sprue gate is solved.
Description
Technical Field
The utility model relates to the technical field of injection molding equipment, in particular to a main sprue bushing structure for a stacked molding hot runner.
Background
The injection molding process is a technology for manufacturing plastic products with various shapes and colors by injecting glue stock in a molten state into a corresponding mold, an injection molding machine is main molding equipment for manufacturing plastic products with various shapes by using a plastic molding mold, at present, the injection molding machine melts plastic, then the plastic in a melting cylinder is injected into a sprue through a gun nozzle, and flows into the mold, and the sprue is called a sprue bush, a sprue or a sprue bush, and is a runner component for injecting molten material into the mold for connecting metal fittings in the molding mold. When the traditional overlapped die is used for forming a product, sizing materials are ejected from a gun nozzle, flow into a hot runner through a main sprue gate and finally enter a product cavity, and after injection molding is finished, sizing material residues are easy to exist between two adjacent pairs of sprue gates in the opposite sprue gate runner of the overlapped die, and flow out of the sprue gate easily, so that wire drawing and casting are caused.
As disclosed in chinese patent No. cn201825092. X, a sprue gate for an injection molding machine includes a sprue gate body, an injection channel is formed in the sprue gate body, an arc-shaped groove is formed at one end of the sprue gate body away from the injection port, and a through hole communicating with the injection channel is formed at the bottom of the arc-shaped groove; the sprue bushing is characterized in that the sprue bushing body is also provided with a cold material groove positioned between the arc-shaped groove and the injection channel, and the cold material groove is simultaneously communicated with the injection channel and the arc-shaped groove. Therefore, the sizing material conveyed to the sprue gate from the material gate can be cooled at the cold material groove, and then is injected into a corresponding mold through the injection channel.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a main sprue gate structure for a stacked molding hot runner, wherein a spring is arranged in the middle of a limit screw movably connected between the main sprue gate and the main hot gate, and after injection molding is finished, the main sprue gate and the main hot gate spring out of a distance from one end under the action of the spring, so that glue in the runner cannot flow out of the main sprue gate, and the problem of casting and wiredrawing of the main sprue gate can be solved.
In order to achieve the above purpose, the utility model provides a main sprue structure for a stacked molding hot runner, which comprises a main hot runner, a hot runner plate, a main sprue, limit screws, springs, an injection molding machine gun nozzle and a first hot runner, wherein the tail end of the main sprue is fixedly arranged in the middle of the hot runner plate, the main sprue is movably connected with the head end of the main sprue through the limit screws and can axially move relative to the main sprue, the limit screws are respectively arranged on two sides of the main sprue, the springs are respectively arranged in the middle of each limit screw and are positioned between the main sprue and the main sprue, the main sprue is arranged opposite to the injection molding machine gun nozzle, and a first hot runner is arranged in the hot runner plate and sequentially axially penetrates through the main sprue and the main sprue along the direction of the main sprue.
Preferably, the hot runner system further comprises a hot runner mounting plate, an A plate and a B plate, wherein the hot runner mounting plate and the A plate are sequentially connected, and the B plate is movably arranged on one side of the A plate.
Preferably, the hot runner plate is mounted inside the hot runner mounting plate, and the main hot nozzle is mounted between the a plate, the B plate and the hot runner mounting plate.
Preferably, the heating device further comprises a main sprue guide sleeve, wherein the main sprue guide sleeves are fixedly arranged on two sides of the B plate close to the main heating nozzle respectively, and the B plate can be close to or far away from the A plate relative to the main heating nozzle through the main sprue guide sleeve.
Preferably, a heater connector lug is fixedly arranged on the outer side of the tail end of the main hot nozzle, and the heater connector lug is arranged on one end, close to the A plate, of the hot runner mounting plate.
Preferably, the hot runner system further comprises at least one auxiliary hot nozzle, wherein auxiliary hot nozzle mounting holes are formed in the end faces of the A plate, adjacent to the hot runner mounting plate, and are respectively located on the hot runner plate, and the auxiliary hot nozzles are respectively inserted into the corresponding auxiliary hot nozzle mounting holes.
Preferably, a second hot runner communicated with the first hot runner is arranged in the auxiliary hot nozzle, and the second hot runner axially penetrates through the auxiliary hot nozzle respectively.
Preferably, the tail end of the main hot nozzle is fixedly connected with the hot runner plate through a locking screw.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has simple structure and reasonable design, is provided with a main hot nozzle, a hot runner plate, a main sprue gate, limit screws, springs and other parts, the main sprue gate is movably connected with the head end of the main hot nozzle through the limit screws and can axially move relative to the main hot nozzle, the springs are respectively arranged in the middle of each limit screw, when the mould is closed, the injection molding machine gun gate is propped against the main sprue gate to compress the springs, injection molding of injection molding products is completed, when the mould is opened, the main hot nozzle and the main sprue gate move along with the mould, the injection molding machine gun gate is separated from the main sprue gate, in order to offset the stress generated by the sizing material in the runner, and under the action of the springs, the main sprue gate and the main hot gate are sprung apart by one end distance, so that the sizing material in the runner cannot flow out of the main sprue gate, and the problem of casting and wiredrawing of the main sprue gate is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a mold closing of a main sprue structure for a stack-molding hot runner according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a mold closing of a main sprue structure for a stack mold hot runner according to an embodiment of the present utility model;
FIG. 3 is a schematic illustration of an embodiment of an open mold of a primary sprue structure for a stack-molded hot runner;
fig. 4 is an enlarged view of an open mold of a main sprue structure for a stack-molding hot runner according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an embodiment of the present utility model provides a main sprue structure for a stacked molding hot runner, which includes a main sprue 1, a hot runner plate 2, a main sprue 3, a limit screw 4, a spring 5, an injection molding machine sprue 6, a first hot runner 7, and the like, and the following detailed description of each component of the embodiment is given with reference to the accompanying drawings.
Referring to fig. 1 to 4, the tail end of the main nozzle 1 may be fixedly mounted in the middle of the hot runner plate 2, the main nozzle 3 is movably connected to the head end of the main nozzle 1 by a limit screw 4 and can axially move relative to the main nozzle 1, the limit screws 4 are respectively disposed on two sides of the main nozzle 3, a spring 5 is respectively disposed in the middle of each limit screw 4 and between the main nozzle 3 and the main nozzle 1, the main nozzle 3 and the gun nozzle 6 of the injection molding machine are oppositely disposed, a first hot runner 7 is disposed in the hot runner plate 2, and the first hot runner 7 sequentially axially penetrates through the main nozzle 3 and the main nozzle 1 along the direction of the main nozzle 1.
Preferably, the tail end of the main hot nozzle 1 can be fixedly connected with the hot runner plate 2 through locking screws 16. Of course, in other embodiments, the user may use other mounting methods to mount the main nozzle 1 on the hot runner plate 2 or other mounting templates according to practical situations, which is not limited to this embodiment.
The hot runner mounting plate 8, the A plate 9 and the B plate 10 can be further included in the concrete mounting process, the hot runner mounting plate 8 and the A plate 9 are sequentially connected, and the B plate 10 is movably mounted on one side of the A plate 9.
In this embodiment, the hot runner plate 2 may be mounted inside the hot runner mounting plate 8 with the primary hot nozzle 1 mounted between the a plate 9, the B plate 10 and the hot runner mounting plate 8.
The hot nozzle comprises a main nozzle guide sleeve (11), wherein the main nozzle guide sleeve (11) is fixedly arranged on two sides of a B plate (10) close to a main hot nozzle (1), and the B plate (10) can be mutually close to or far away from the A plate (9) relative to the main hot nozzle (1) through the main nozzle guide sleeve (11), so that the die assembly and the die opening of the stacked die can be smoother.
During specific installation, the hot runner system further comprises one, two or four auxiliary hot nozzles 13, wherein auxiliary hot nozzle installation holes 14 are formed in the end faces of the A plate 9 adjacent to the hot runner installation plate 8, the auxiliary hot nozzle installation holes 14 are respectively located on the hot runner plate 2, and the auxiliary hot nozzles 13 are respectively inserted into the corresponding auxiliary hot nozzle installation holes 14. Among them, the present embodiment is preferably four sub-thermal nozzles 13, and the number of sub-thermal nozzles 13 is not limited in the present embodiment.
Preferably, a second hot runner 15 communicated with the first hot runner 7 is arranged inside the auxiliary hot nozzle 13, and the second hot runners 15 axially penetrate through the auxiliary hot nozzle 13 respectively.
In this embodiment, the heater lug 12 may be fixedly provided on the outer side of the tail end of the main nozzle 1, and the heater lug 12 is mounted on the end of the hot runner mounting plate 8 near the a plate 9. The heater can ensure that the sizing material is always kept at a proper temperature in the hot runner, so that the molding quality of a finished product is improved.
The working principle of this embodiment is as follows:
as shown in fig. 1 and 2, when the mold is closed, the injection molding machine gun nozzle is propped against the main sprue gate, and the glue inlet of the main sprue gate is communicated with the glue injection part of the injection molding machine gun nozzle, so that the spring is compressed, and glue material flows through the first hot runner and the second hot runner in sequence from the main hot nozzle of the ball peripheral runner and then enters the product cavity, thus the glue injection of the injection molding product is completed;
as shown in fig. 3 and 4, when the mold is opened, the main hot nozzle and the main sprue are moved along with the mold, the injection molding machine stops injecting glue, the injection molding machine gun nozzle is separated from the main sprue, so as to counteract the stress generated by the glue in the runner, and under the action of the spring, the main sprue and the main hot nozzle are sprung apart by a distance, so that the glue in the runner cannot flow out of the main sprue.
In conclusion, the embodiment has the advantages of simple structure and reasonable design, can be widely applied to a hot runner of a stacked die, solves the problem of casting and drawing of the main sprue in the conventional stacked die, and improves the molding quality of injection molding products.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (8)
1. A pile up main pump nozzle structure for moulding hot runner, its characterized in that: including main hot mouth (1), hot runner plate (2), main pump mouth (3), spacing screw (4), spring (5), injection molding machine big gun mouth (6), first hot runner (7), the afterbody fixed mounting of main hot mouth (1) is at the middle part of hot runner plate (2), main pump mouth (3) through spacing screw (4) swing joint at the head end of main hot mouth (1) and can take place axial displacement relative to main hot mouth (1), spacing screw (4) set up respectively in the both sides of main pump mouth (3), spring (5) set up respectively in the middle part of every spacing screw (4) and be located between main pump mouth (3) and the main hot mouth (1), main pump mouth (3) set up with injection molding machine big gun mouth (6) relatively, the inside of hot runner plate (2) is equipped with first hot runner (7), main hot runner (3) and main hot mouth (1) are run through in proper order along main hot mouth (1) direction axial direction.
2. A primary pumping nozzle structure for a stack-molded hot runner as in claim 1 wherein: the hot runner device comprises a hot runner mounting plate (8), an A plate (9) and a B plate (10), wherein the hot runner mounting plate (8) and the A plate (9) are sequentially connected, and the B plate (10) is movably mounted on one side of the A plate (9).
3. A primary pumping nozzle structure for a stack-molded hot runner as defined in claim 2, wherein: the hot runner plate (2) is arranged inside the hot runner mounting plate (8), and the main hot nozzle (1) is arranged among the A plate (9), the B plate (10) and the hot runner mounting plate (8).
4. A primary pumping nozzle structure for a stack-molded hot runner as claimed in claim 3, wherein: the heating device further comprises a main sprue guide sleeve (11), wherein the main sprue guide sleeves (11) are fixedly arranged on two sides of the B plate (10) close to the position of the main heating nozzle (1), and the B plate (10) can be mutually close to or far away from the A plate (9) relative to the main heating nozzle (1) through the main sprue guide sleeve (11).
5. A primary pumping nozzle structure for a stack-molded hot runner as claimed in claim 3, wherein: the outer side of the tail end of the main hot nozzle (1) is fixedly provided with a heater connector lug (12), and the heater connector lug (12) is arranged at one end of the hot runner mounting plate (8) close to the A plate (9).
6. A primary pumping nozzle structure for a stack-molded hot runner as claimed in claim 3, wherein: the hot runner system further comprises at least one auxiliary hot nozzle (13), auxiliary hot nozzle mounting holes (14) are formed in the end faces, adjacent to the hot runner mounting plates (8), of the A plate (9), the auxiliary hot nozzle mounting holes (14) are respectively located on the hot runner plates (2), and the auxiliary hot nozzles (13) are respectively inserted into the corresponding auxiliary hot nozzle mounting holes (14).
7. A primary pumping nozzle structure for a stack-molded hot runner as in claim 6 wherein: the inside of the auxiliary hot nozzle (13) is provided with a second hot runner (15) communicated with the first hot runner (7), and the second hot runners (15) axially penetrate through the auxiliary hot nozzle (13) respectively.
8. A primary pumping nozzle structure for a stack-molded hot runner as in claim 1 wherein: the tail end of the main hot nozzle (1) is fixedly connected with the hot runner plate (2) through a locking screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640361.7U CN219563994U (en) | 2023-03-28 | 2023-03-28 | Main sprue structure for laminated hot runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640361.7U CN219563994U (en) | 2023-03-28 | 2023-03-28 | Main sprue structure for laminated hot runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219563994U true CN219563994U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320640361.7U Active CN219563994U (en) | 2023-03-28 | 2023-03-28 | Main sprue structure for laminated hot runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219563994U (en) |
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2023
- 2023-03-28 CN CN202320640361.7U patent/CN219563994U/en active Active
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