CN215151522U - Straight-top multipoint glue feeding structure of injection mold - Google Patents
Straight-top multipoint glue feeding structure of injection mold Download PDFInfo
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- CN215151522U CN215151522U CN202120408693.3U CN202120408693U CN215151522U CN 215151522 U CN215151522 U CN 215151522U CN 202120408693 U CN202120408693 U CN 202120408693U CN 215151522 U CN215151522 U CN 215151522U
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Abstract
The utility model discloses an injection mold's straight top multiple spot advances glued structure, concretely relates to advances gluey technical field, including the bed die, go up mould and straight top, it is provided with fixing device to go up in the middle of mould and the bed die, it is provided with hot runner device to go up the mould top, hot runner device has been seted up into jiao kou to go up the inside glue mouth that is provided with of mould, it is connected with advancing jiao kou to lead the jiao kou, it advances the rubber tube to lead a plurality of roots of bottom fixedly connected with of jiao kou, the inside of bed die is provided with a plurality of die cavity, it is connected with the die cavity to advance the rubber tube, the outside winding of advancing the rubber tube is provided with the heat conduction silk, the top of heat conduction silk is provided with heating device, the straight top is connected to the bed die below, the utility model discloses simple structure, it is even to mould plastics, can improve the quality of moulding plastics.
Description
Technical Field
The utility model relates to an advance glued construction technical field, more specifically say, the utility model relates to an injection mold's straight top multiple spot advances glued construction.
Background
Each mould is provided with a group of demoulding mechanisms, the demoulding mechanisms are designed before the mould is manufactured according to the type of the mould, then the mould is assembled in the mould, and after the mould is processed, the mould is pushed out from the cavity by the demoulding mechanisms, so that the demoulding structure is convenient for a user to demould and operate, and the mould manufacturing efficiency is greatly improved. The existing mold is in a grid or large-scale mold type during injection molding, the glue feeding of the mold core is uneven during injection molding due to single-point glue feeding, and the injection molding quality is also influenced by the temperature during the glue feeding process, so that the injection molded product is easy to have flaws, and the yield is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the embodiment of the utility model provides an injection mold's straight top multiple spot advances glued structure can improve the quality and the efficiency of moulding plastics for it is more even to mould plastics to advance to glue.
In order to achieve the above object, the utility model provides a following technical scheme: a straight-ejection multipoint glue feeding structure of an injection mold comprises a lower mold, an upper mold and a straight top part, wherein a fixing device is arranged between the upper mold and the lower mold, a hot runner device is arranged above the upper mold, a glue inlet is formed above the hot runner device, a glue guide opening is formed in the upper mold and connected with the glue inlet, a plurality of glue inlet pipes are fixedly connected to the bottom of the glue guide opening, a plurality of cavities are formed in the lower mold, the glue inlet pipes are connected with the cavities, heat conducting wires are wound outside the glue inlet pipes, a heating device is arranged above the heat conducting wires, a straight top part is connected to the lower portion of the lower mold, the straight top part comprises a guide shaft and a sliding plate, the sliding plate slides along the guide shaft, a fixed seat is fixedly arranged on the sliding plate, and straight ejection columns are fixedly arranged on two sides of the fixed seat, the outer portion of the straight ejection column is sleeved with a first spring, the upper portion of the straight ejection column is in sliding connection with the lower die, a connecting column is fixedly arranged in the middle of the fixing base in a penetrating mode, the upper portion of the connecting column is fixedly connected with the lower die, the connecting column is arranged on the fixing base and the sliding plate in a penetrating mode, and a second spring is sleeved outside the connecting column.
In this embodiment, the fixing device includes a positioning pin, a supporting plate is fixedly connected to the positioning pin, an upper positioning groove is formed in the bottom of the upper mold, a lower positioning groove is formed in the top of the lower mold, and the positioning pin is inserted into the upper positioning groove and the lower positioning groove.
In this embodiment, a base is disposed below the connecting column.
In this embodiment, the upper limit block is arranged above the straight ejection column, and the lower limit block is arranged below the straight ejection column and used for limiting the first spring.
In this embodiment, the hot runner device includes a heating end and a hot sprue bushing, and a heat conducting device is disposed between the hot sprue bushing and the heating end.
Compared with the prior art, the utility model discloses a technological effect and advantage:
the utility model discloses can improve the quality and the efficiency of moulding plastics for it is more even to mould plastics into gluey.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference signs are: 1. the hot runner device comprises a lower die, 2, an upper die, 3, a straight top, 31, a guide shaft, 32, a sliding plate, 33, a fixed seat, 34, a straight top column, 35, a first spring, 36, a connecting column, 37, a second spring, 4, a fixing device, 41, a positioning pin, 42, an upper positioning groove, 43, a lower positioning groove, 44, a supporting plate, 5, a hot runner device, 51, a heating end, 52, a hot sprue, 53, a heat conduction device, 6, a glue inlet, 7, a glue inlet, 9, a glue inlet pipe, 10, a die cavity, 11, a heat conduction wire, 12, a heating device and 13, wherein the lower die is provided with a hot runner device, a hot runner device and a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The straight-top multi-point glue inlet structure of the injection mold shown in the attached drawing 1 comprises a lower mold 1, an upper mold 2 and a straight top 3, and is characterized in that: a fixing device 4 is arranged between the upper mold 2 and the lower mold 1, a hot runner device 5 is arranged above the upper mold 2, a glue inlet 6 is arranged above the hot runner device 5, a glue guide opening 7 is arranged inside the upper mold 2, the glue guide opening 7 is connected with the glue inlet 6, a plurality of glue inlet pipes 9 are fixedly connected to the bottom of the glue guide opening 7, a plurality of cavities 10 are arranged inside the lower mold 1, the glue inlet pipes 9 are connected with the cavities 10, heat conducting wires 11 are wound outside the glue inlet pipes 9, a heating device 12 is arranged above the heat conducting wires 11, a straight top part 3 is connected to the lower portion of the lower mold 1, the straight top part 3 comprises a guide shaft 31 and a sliding plate 32, the sliding plate 32 slides along the guide shaft 31, a fixed seat 33 is fixedly arranged on the sliding plate 32, and straight top columns 34 are fixedly arranged on two sides of the fixed seat 33, the outer cover of straight shore 34 is equipped with first spring 35, the top of straight shore 34 with lower mould 1 sliding connection, the fixed spliced pole 36 that runs through in the middle of fixing base 33, the top of spliced pole 36 with lower mould 1 fixed connection, spliced pole 36 run through the setting on fixing base 33 with the sliding plate 32, spliced pole 36 overcoat is equipped with second spring 37.
In this embodiment, the fixing device 4 includes a positioning pin 41, a supporting plate 44 is fixedly connected to the positioning pin 41, an upper positioning groove 42 is formed at the bottom of the upper mold 2, a lower positioning groove 43 is formed at the top of the lower mold 1, and the positioning pin 41 is inserted into the upper positioning groove 42 and the lower positioning groove 43.
In this embodiment, a base 13 is disposed below the connecting column 36.
During actual use, glue is injected from the glue guide port 7 and flows through the glue guide port 7 to be distributed into the glue inlet pipe 9 to enter the cavity 10 for forming, when the glue is fed, the heating device 12 and the hot runner device 5 can keep stable temperature of the glue entering the cavity 10, the utility model is provided with a plurality of glue inlet pipes 9, so that the injection molding is more uniform, the straight top part 3 is arranged below the lower die 1, after the forming, the lower die 1 moves downwards, when the connecting column contacts the base 13 downwards, the straight top column 34 is driven to move upwards to extrude the first spring 35 and the second spring 37, the straight top column 34 passes through the lower die 1 to push the formed core out of the lower die 1, the utility model has simple structure, can heat a plurality of glue inlet pipes 9 during the injection molding, so that the injection molding is uniform and sufficient, the injection molding quality is improved, and the injection molding efficiency can be improved, the straight top part 3 arranged below is simple in structure, a formed product can be pushed out of the lower die 1, and production efficiency is improved.
In this embodiment, an upper limit block is disposed above the straight ejection column 34, and a lower limit block is disposed below the straight ejection column for limiting the first spring 35.
In this embodiment, the hot runner device 5 includes a heating end 51 and a hot sprue 52, and a heat conducting device 53 is disposed between the hot sprue 52 and the heating end 51, so that the temperature and the temperature of the glue injected into the cavity 10 are stable, and the injection molding quality is ensured.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The utility model provides an injection mold's straight top multiple spot advances glued structure, includes bed die (1), goes up mould (2) and straight top (3), its characterized in that: a fixing device (4) is arranged between the upper die (2) and the lower die (1), a hot runner device (5) is arranged above the upper die (2), a glue inlet (6) is formed above the hot runner device (5), a glue guide port (7) is arranged inside the upper die (2), the glue guide port (7) is connected with the glue inlet (6), a plurality of glue inlet pipes (9) are fixedly connected to the bottom of the glue guide port (7), a plurality of cavities (10) are arranged inside the lower die (1), the glue inlet pipes (9) are connected with the cavities (10), heat conducting wires (11) are wound outside the glue inlet pipes (9), a heating device (12) is arranged above the heat conducting wires (11), a straight top part (3) is connected to the lower side of the lower die (1), and the straight top part (3) comprises a guide shaft (31), the sliding plate (32) slides along the guide shaft (31), a fixed seat (33) is fixedly arranged on the sliding plate (32), straight ejection columns (34) are fixedly mounted on two sides of the fixed seat (33), first springs (35) are sleeved outside the straight ejection columns (34), the upper portions of the straight ejection columns (34) are in sliding connection with the lower die (1), a connecting column (36) is fixedly arranged in the middle of the fixed seat (33) in a penetrating mode, the upper portions of the connecting column (36) are fixedly connected with the lower die (1), the connecting column (36) is arranged on the fixed seat (33) and the sliding plate (32) in a penetrating mode, and second springs (37) are sleeved outside the connecting column (36).
2. The direct-ejection multipoint glue feeding structure of the injection mold according to claim 1, characterized in that: the fixing device (4) comprises a positioning pin (41), a supporting plate (44) is fixedly connected to the positioning pin (41), an upper positioning groove (42) is formed in the bottom of the upper die (2), a lower positioning groove (43) is formed in the top of the lower die (1), and the positioning pin (41) is inserted into the upper positioning groove (42) and the lower positioning groove (43).
3. The direct-ejection multipoint glue feeding structure of the injection mold according to claim 1, characterized in that: a base (13) is arranged below the connecting column (36).
4. The direct-ejection multipoint glue feeding structure of the injection mold according to claim 1, characterized in that: an upper limiting block is arranged above the straight ejection column (34), and a lower limiting block is arranged below the straight ejection column and used for limiting the first spring (35).
5. The direct-ejection multipoint glue feeding structure of the injection mold according to claim 1, characterized in that: the hot runner device (5) comprises a heating end (51) and a hot sprue bushing (52), and a heat conduction device (53) is arranged between the hot sprue bushing (52) and the heating end (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408693.3U CN215151522U (en) | 2021-02-24 | 2021-02-24 | Straight-top multipoint glue feeding structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408693.3U CN215151522U (en) | 2021-02-24 | 2021-02-24 | Straight-top multipoint glue feeding structure of injection mold |
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| Publication Number | Publication Date |
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| CN215151522U true CN215151522U (en) | 2021-12-14 |
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| CN202120408693.3U Active CN215151522U (en) | 2021-02-24 | 2021-02-24 | Straight-top multipoint glue feeding structure of injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734582A (en) * | 2022-04-22 | 2022-07-12 | 湖北华鑫光电有限公司 | Cross double-channel lens barrel mold structure and forming method thereof |
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2021
- 2021-02-24 CN CN202120408693.3U patent/CN215151522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734582A (en) * | 2022-04-22 | 2022-07-12 | 湖北华鑫光电有限公司 | Cross double-channel lens barrel mold structure and forming method thereof |
| CN114734582B (en) * | 2022-04-22 | 2022-12-02 | 湖北华鑫光电有限公司 | Cross-shaped double-flow-passage lens barrel mold structure and forming method thereof |
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