CN212097338U - Needle valve multicavity low-pitch liquid silica gel injection structure - Google Patents
Needle valve multicavity low-pitch liquid silica gel injection structure Download PDFInfo
- Publication number
- CN212097338U CN212097338U CN202020275075.1U CN202020275075U CN212097338U CN 212097338 U CN212097338 U CN 212097338U CN 202020275075 U CN202020275075 U CN 202020275075U CN 212097338 U CN212097338 U CN 212097338U
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- Prior art keywords
- water inlet
- cold nozzle
- cold
- water outlet
- insert
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000000741 silica gel Substances 0.000 title claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 title claims description 5
- 239000007924 injection Substances 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims 5
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000020965 cold beverage Nutrition 0.000 abstract 2
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a needle valve multi-cavity low-space liquid silica gel injection molding structure, which comprises a mold body, a cold nozzle integral insert and a multi-connecting-rod piston mechanism; the die body is provided with an installation cavity, and the bottom of the die body is provided with a plurality of inlet gates communicated with the installation cavity; the integral cold nozzle insert is embedded in the installation cavity, and a water inlet waterway, a water outlet waterway, a plurality of cold nozzle runners, a plurality of vertical water inlet waterways, a plurality of vertical water outlet waterways and a plurality of transverse waterways are arranged in the integral cold nozzle insert; this many connecting rod piston mechanism sets up in the installation cavity, and many connecting rod piston mechanism sets up whole mold insert of cold drink and many connecting rod piston mechanism through the cooperation including piston body and a plurality of connecting rod, effectively solves the row position problem below single product needle valve interval 20mm, makes the low interval arrange easily, effectively solves the cold drink simultaneously and arranges the back water route and evenly arrange the difficulty, and the even difficult problem of every mouth cooling brings the facility for the production operation, promotes injection moulding product's quality.
Description
Technical Field
The utility model relates to a field of moulding plastics technique especially indicates a needle valve multicavity low-pitch liquid silica gel injection moulding structure.
Background
In the injection molding of the needle valve system, because the cylinder, a single cold nozzle and a waterway protection sleeve occupy a certain position, a cold runner system for directly feeding glue into the needle valve of a single product within a product space of 20mm is not provided in the domestic and foreign traditional methods.
The current structure comprises a valve needle piston, a cylinder plate, a flow distribution plate, a cooling water channel refrigerating plate, a heat insulation plate, a mold core, a valve type inlet gate, a cold nozzle head, a cold nozzle water channel sealing piece, a cold nozzle annular water channel, a cold nozzle body, a cold nozzle water channel protective sleeve, a valve needle, a flow channel and a main inlet gate. The diameter of the cold nozzle is composed of a cold nozzle body, a cold nozzle water path protective sleeve, a valve needle, a flow path and a clearance gap, the pressure provided by a rubber material liquid silica injection molding machine is 15Mpa-100Mpa in production or cleaning, 3-5MM steel material strength is needed outside the flow path to ensure that the injection molding cannot be cracked, the water path cooling needs a 2-3MM thick annular water path, the valve needle needs 2-8MM in diameter, the flow path needs 1-4MM thick flow path gaps to ensure the flowing of rubber, air gap heat insulation is needed between the cold nozzle and a cooling water path refrigerating plate, a heat insulation plate and a mold core, the cold nozzle and the cold nozzle need steel material strength to support, and the problem that the injection of each product independent sprue needle valve within the distance of 20MM between products is difficult is.
Therefore, the injection molding technical difficulty of the liquid silica gel multi-cavity low-space needle valve is as follows:
1. the cold nozzles are arranged in pairs and are not arranged in an interference manner.
2. The water paths are difficult to be uniformly distributed after the cold nozzles are distributed, and each nozzle is difficult to be uniformly cooled.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a needle valve multicavity low-pitch liquid silica gel injection structure, and it can effectively solve the cold mouth low-pitch difficulty problem of arranging and the cold mouth is arranged the back water route and is evenly arranged the difficulty, the even difficult problem of every mouth cooling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a needle valve multi-cavity low-space liquid silica gel injection molding structure comprises a mold body, a cold nozzle integral insert and a multi-connecting-rod piston mechanism; the die body is provided with an installation cavity, and the bottom of the die body is provided with a plurality of inlet gates communicated with the installation cavity; the integral cold nozzle insert is embedded in the installation cavity, and a water inlet waterway, a water outlet waterway, a plurality of cold nozzle runners, a plurality of vertical water inlet waterways, a plurality of vertical water outlet waterways and a plurality of transverse waterways are arranged in the integral cold nozzle insert; the water inlet waterway and the water outlet waterway are both positioned inside the top end of the integral cold nozzle insert, longitudinally extend and are transversely arranged at intervals; the plurality of cold nozzle runners are longitudinally arranged at intervals, and each cold nozzle runner vertically extends and is respectively and rightly communicated with the corresponding gate; the plurality of vertical water inlet channels are respectively positioned at the sides of the corresponding cold nozzle flow passages, and the upper end of each vertical water inlet channel is communicated with a water inlet channel; the upper ends of the plurality of vertical water outlet channels are communicated with water outlet channels; the plurality of transverse water paths are all positioned inside the bottom end of the integral cold nozzle insert, and two ends of each transverse water path are respectively communicated between the lower end of the corresponding vertical water inlet path and the lower end of the corresponding vertical water outlet path; the multi-connecting-rod piston mechanism is arranged in the installation cavity and comprises a piston body and a plurality of connecting rods, the piston body is movably arranged above the whole cold nozzle insert, the connecting rods respectively extend into corresponding cold nozzle runners, the upper end of each connecting rod is fixedly connected with the piston body, and the piston body drives the connecting rods to move up and down.
Preferably, the die body comprises a die core plate, a heating plate, a heat insulation plate, a positioning plate, a frame plate and a cylinder plate which are sequentially overlapped from bottom to top, and a cold runner flow distribution plate is arranged in the frame plate.
Preferably, the water inlet holes and the water outlet holes are formed in two ends of the top surface of the whole cold nozzle insert, the two water inlet holes are respectively communicated with two ends of the water inlet waterway, and the two water outlet holes are respectively communicated with two ends of the water outlet waterway.
Preferably, a copper plug is arranged on the bottom surface of the integral cold nozzle insert for each vertical water inlet channel and each vertical water outlet channel.
Preferably, all be provided with the end cap in the bottom side of the whole mold insert of cold mouth to each horizontal water route.
Preferably, the plurality of vertical water inlet paths are longitudinally arranged at intervals, and the plurality of cold nozzle flow passages are respectively positioned between two adjacent vertical water inlet paths.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the whole mold insert of cold mouth and many connecting rod piston mechanism are set up through the cooperation, effectively solve the ranking problem below single product needle valve interval 20mm, make the low interval arrange easily, effectively solve the cold mouth simultaneously and arrange the back water route and evenly arrange the difficulty, the even difficult problem of every mouth cooling, for production operation brings the facility, promote injection moulding product's quality.
To more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
description of the drawings.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a side perspective view of a cold nozzle one-piece insert in accordance with a preferred embodiment of the present invention;
FIG. 3 is a top view of a cold nozzle one-piece insert according to a preferred embodiment of the present invention;
fig. 4 is a front perspective view of a cold nozzle one-piece insert in a preferred embodiment of the invention.
The attached drawings indicate the following:
10. die body 11 and die core plate
12. Heating plate 13, heat insulating plate
14. Positioning plate 15, frame plate
16. Cylinder plate 17 and cold runner flow distribution plate
101. Mounting cavity 102, inlet gate
20. Cold nozzle integral insert 21 and water inlet waterway
22. Water outlet waterway 23 and cold nozzle runner
24. Vertical water inlet channel 25 and vertical water outlet channel
26. Transverse waterway 201, inlet opening
202. Water outlet hole 30 and multi-connecting-rod piston mechanism
31. Piston body 32, connecting rod
41. Copper plug 42, plug
Detailed Description
Referring to fig. 1 to 4, the detailed structure of the preferred embodiment of the present invention is shown, which includes a mold body 10, a cold nozzle integral insert 20 and a multi-rod piston mechanism 30.
The die body 10 is provided with a mounting cavity 101, and the bottom of the die body 10 is provided with a plurality of inlet gates 102 communicated with the mounting cavity 101; specifically, the mold body 10 includes a mold core plate 11, a heating plate 12, a heat insulation plate 13, a positioning plate 14, a frame plate 15 and a cylinder plate 16, which are sequentially stacked from bottom to top, a cold runner flow distribution plate 17 is disposed in the frame plate 15, and the gate 102 is located on the bottom surface of the mold core plate 11.
The cold nozzle integral insert 20 is embedded in the installation cavity 101, and a water inlet waterway 21, a water outlet waterway 22, a plurality of cold nozzle runners 23, a plurality of vertical water inlet waterways 24, a plurality of vertical water outlet waterways 25 and a plurality of transverse waterways 26 are arranged in the cold nozzle integral insert 20; the water inlet waterway 21 and the water outlet waterway 22 are both positioned inside the top end of the integral cold nozzle insert 20, extend longitudinally and are arranged at intervals transversely; the plurality of cold nozzle runners 23 are longitudinally arranged at intervals, and each cold nozzle runner 23 vertically extends and is respectively and oppositely communicated with the corresponding gate 102; the plurality of vertical water inlet channels 24 are respectively positioned beside the corresponding cold nozzle flow channel 23, and the upper end of each vertical water inlet channel 24 is communicated with the water inlet channel 21; the upper ends of the plurality of vertical water outlet channels 25 are communicated with the water outlet channel 22; these a plurality of horizontal water routes 26 all are located inside the bottom of the whole mold insert 20 of cold mouth, and the both ends in each horizontal water route 26 communicate respectively between the lower extreme in the corresponding perpendicular water route 24 of intaking and the lower extreme of perpendicular water route 25. In this embodiment, the top surface both ends of the whole mold insert 20 of cold nozzle have all been seted up inlet opening 201 and apopore 202, and two inlet openings 201 communicate the both ends in water inlet waterway 21 respectively, and two apopores 202 communicate the both ends in water outlet waterway 22 respectively. The bottom surface of the whole cold nozzle insert 20 is provided with a copper plug 41 for each vertical water inlet channel 24 and each vertical water outlet channel 25, the bottom end side surface of the whole cold nozzle insert 20 is provided with a plug 42 for each transverse water channel 26, the vertical water inlet channels 24 are arranged at intervals, and the cold nozzle flow channels 23 are respectively positioned between two adjacent vertical water inlet channels 24.
The multi-link piston mechanism 30 is disposed in the mounting cavity 101, the multi-link piston mechanism 30 includes a piston body 31 and a plurality of links 32, the piston body 31 is movably disposed above the cold nozzle whole insert 20, the piston body 31 is driven by a cylinder to move, the plurality of links 32 respectively extend into the corresponding cold nozzle runners 23, the upper end of each link 32 is fixedly connected to the piston body 31, and the piston body 31 drives the plurality of links 32 to move up and down.
Detailed description the working principle of the present embodiment is as follows:
during operation, the liquid silica gel enters a corresponding mold cavity (not shown) of the mold from each cold nozzle runner 23, and the piston body 31 is driven to move by the cylinder, so that the plurality of connecting rods 32 move to close or open the inlet gates 102, thereby controlling the liquid silica gel to flow into the mold cavity. When cooling is needed, the cooling liquid enters the water inlet channel 21 from the water inlet hole 201, then flows into each of the plurality of vertical water inlet channels 24, then enters the corresponding vertical water outlet channel 25 through the corresponding transverse water channel 26, then is collected into the water outlet channel 22, and finally flows out from the water outlet hole 202, so as to finish the cooling operation.
The utility model discloses a design key is: the whole mold insert of cold mouth and many connecting rod piston mechanism are set up through the cooperation, effectively solve the ranking problem below single product needle valve interval 20mm, make the low interval arrange easily, effectively solve the cold mouth simultaneously and arrange the back water route and evenly arrange the difficulty, the even difficult problem of every mouth cooling, for production operation brings the facility, promote injection moulding product's quality.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. The utility model provides a needle valve multicavity low-pitch liquid silica gel injection structure which characterized in that: the mold comprises a mold body, a cold nozzle integral insert and a multi-connecting rod piston mechanism; the die body is provided with an installation cavity, and the bottom of the die body is provided with a plurality of inlet gates communicated with the installation cavity; the integral cold nozzle insert is embedded in the installation cavity, and a water inlet waterway, a water outlet waterway, a plurality of cold nozzle runners, a plurality of vertical water inlet waterways, a plurality of vertical water outlet waterways and a plurality of transverse waterways are arranged in the integral cold nozzle insert; the water inlet waterway and the water outlet waterway are both positioned inside the top end of the integral cold nozzle insert, longitudinally extend and are transversely arranged at intervals; the plurality of cold nozzle runners are longitudinally arranged at intervals, and each cold nozzle runner vertically extends and is respectively and rightly communicated with the corresponding gate; the plurality of vertical water inlet channels are respectively positioned at the sides of the corresponding cold nozzle flow passages, and the upper end of each vertical water inlet channel is communicated with a water inlet channel; the upper ends of the plurality of vertical water outlet channels are communicated with water outlet channels; the plurality of transverse water paths are all positioned inside the bottom end of the integral cold nozzle insert, and two ends of each transverse water path are respectively communicated between the lower end of the corresponding vertical water inlet path and the lower end of the corresponding vertical water outlet path; the multi-connecting-rod piston mechanism is arranged in the installation cavity and comprises a piston body and a plurality of connecting rods, the piston body is movably arranged above the whole cold nozzle insert, the connecting rods respectively extend into corresponding cold nozzle runners, the upper end of each connecting rod is fixedly connected with the piston body, and the piston body drives the connecting rods to move up and down.
2. The needle valve multi-cavity low-spacing liquid silicone injection molding structure of claim 1, wherein: the mould body comprises a mould core plate, a heating plate, a heat insulation plate, a positioning plate, a frame plate and a cylinder plate which are sequentially overlapped from bottom to top, wherein a cold runner flow distribution plate is arranged in the frame plate.
3. The needle valve multi-cavity low-spacing liquid silicone injection molding structure of claim 1, wherein: the water inlet holes and the water outlet holes are formed in two ends of the top surface of the whole cold nozzle insert, the two water inlet holes are respectively communicated with two ends of the water inlet path, and the two water outlet holes are respectively communicated with two ends of the water outlet path.
4. The needle valve multi-cavity low-spacing liquid silicone injection molding structure of claim 1, wherein: and copper plugs are arranged on the bottom surfaces of the cold nozzle integral inserts aiming at each vertical water inlet channel and each vertical water outlet channel.
5. The needle valve multi-cavity low-spacing liquid silicone injection molding structure of claim 1, wherein: be provided with the end cap to each horizontal water route all in the bottom side of the whole mold insert of cold mouth.
6. The needle valve multi-cavity low-spacing liquid silicone injection molding structure of claim 1, wherein: the plurality of vertical water inlet paths are longitudinally arranged at intervals, and the plurality of cold nozzle flow passages are respectively positioned between two adjacent vertical water inlet paths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275075.1U CN212097338U (en) | 2020-03-09 | 2020-03-09 | Needle valve multicavity low-pitch liquid silica gel injection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275075.1U CN212097338U (en) | 2020-03-09 | 2020-03-09 | Needle valve multicavity low-pitch liquid silica gel injection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212097338U true CN212097338U (en) | 2020-12-08 |
Family
ID=73634963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275075.1U Expired - Fee Related CN212097338U (en) | 2020-03-09 | 2020-03-09 | Needle valve multicavity low-pitch liquid silica gel injection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212097338U (en) |
-
2020
- 2020-03-09 CN CN202020275075.1U patent/CN212097338U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |