CN114932657B - Electric needle valve type hot runner system - Google Patents
Electric needle valve type hot runner system Download PDFInfo
- Publication number
- CN114932657B CN114932657B CN202210558833.4A CN202210558833A CN114932657B CN 114932657 B CN114932657 B CN 114932657B CN 202210558833 A CN202210558833 A CN 202210558833A CN 114932657 B CN114932657 B CN 114932657B
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- Prior art keywords
- needle
- nozzle
- runner
- air port
- hot runner
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- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 2
- 210000001503 joint Anatomy 0.000 claims 1
- 229920003023 plastic Polymers 0.000 abstract description 34
- 239000004033 plastic Substances 0.000 abstract description 34
- 239000012530 fluid Substances 0.000 abstract description 27
- 238000001746 injection moulding Methods 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 description 9
- 206010010904 Convulsion Diseases 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2758—Means for preventing drooling by decompression of the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using gas or steam
-
- 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
Abstract
The invention belongs to the technical field of hot runner injection molding, in particular to an electric needle valve type hot runner system, which comprises a splitter plate, wherein a first runner is arranged at the top of the splitter plate, two second runners which are symmetrically distributed on two sides are arranged at the bottom of the splitter plate, the second runners are communicated with the first runner, a pouring nozzle is connected with the bottom of the second runner through threads, a hot nozzle heating ring is sleeved on the pouring nozzle, a bayonet is arranged at one side of the bottom of the pouring nozzle, the wiring end of the hot nozzle heating ring is clamped in the bayonet, a heat insulation sleeve is connected with the lower part of the pouring nozzle through threads, two round holes which are symmetrically distributed on two sides are arranged at the top of the splitter plate, a valve needle is inserted into the round holes, the valve needle extends into the pouring nozzle, and an oil cylinder is connected with the top of the valve needle. In the invention, an air pressure difference is formed in the first air port, and the air pressure difference generates upward acting force on the fluid plastic attached to the tip part, so that the fluid plastic is effectively prevented from dripping from the tip part.
Description
Technical Field
The invention relates to the technical field of hot runner injection molding, in particular to an electric needle valve type hot runner system.
Background
Hot runner is a collection of heating elements used in injection molds to inject melted plastic into the cavity of the mold. The hot runner system generally comprises a hot nozzle, a splitter plate, a temperature control box, accessories and the like. The hot runner system is divided into an open hot runner system and a needle valve type hot runner system, and the hot runner system which corresponds to the requirements is selected according to the raw materials, the appearance and the performance requirements of different products, so that the corresponding nozzle form is selected.
In the needle valve type hot runner system, the most important link is that the valve needle is used for controlling the closure of the pouring gate, and compared with an open type hot runner system, the pouring gate is smoother, the bottom of the existing valve needle is generally pointed, so that the plastic of fluid can be effectively prevented from dripping, but the valve needle type hot runner system is to be improved, and therefore, corresponding improvement is made for the problem.
Disclosure of Invention
Based on the technical problem that a valve needle control mechanism in the existing hot runner system needs to be improved, the invention provides an electric needle valve type hot runner system.
The invention provides an electric needle valve type hot runner system, which comprises a splitter plate, wherein a first runner is arranged at the top of the splitter plate, two second runners which are symmetrically distributed on two sides are arranged at the bottom of the splitter plate, the second runners are communicated with the first runner, a pouring nozzle is connected to the bottom of the second runner in a threaded manner, a hot nozzle heating ring is sleeved on the pouring nozzle, a bayonet is arranged at one side of the bottom of the pouring nozzle, the wiring end of the hot nozzle heating ring is clamped in the bayonet, a heat insulation sleeve is connected to the lower part of the pouring nozzle in a threaded manner, two round holes which are symmetrically distributed on two sides are formed in the top of the splitter plate, a valve needle is inserted in the round holes, the valve needle extends into the pouring nozzle, an oil cylinder is connected to the top of the valve needle, and a drip prevention mechanism is arranged on the valve needle.
Preferably, the drip-proof mechanism comprises at least two first air ports with L-shaped sections, the bottom of the valve needle is provided with a pointed part, the bottom of the first air port is positioned on the side wall of the pointed part, and the top of the first air port is positioned on the side wall of the valve needle.
Preferably, the drip-proof mechanism comprises a second air port with a T-shaped cross section, the bottom of the valve needle is provided with a flat head part, the bottom of the second air port is positioned at the bottom of the flat head part, and the top of the second air port is positioned on the side wall of the valve needle.
Preferably, the top fixedly connected with two symmetrically distributed lantern rings of flow distribution plate, the needle is located the central point of lantern ring, the cavity has been seted up in the lantern ring, the third gas port of gathering has been seted up to lantern ring circumference inner wall, the third gas port communicates with each other with the cavity, the fourth gas port has been seted up to lantern ring one side outer wall, fourth gas port intercommunication has the connecting pipe, flow distribution plate top fixedly connected with fan, fan air inlet end and connecting pipe intercommunication.
Preferably, the inner wall of the bottom of the cavity is rotationally connected with a plurality of annular array distributed shaft rods, and the circumferential outer wall of each shaft rod is fixedly connected with a plurality of annular array distributed blades.
Preferably, a main sealing nozzle is arranged above the first runner, a plurality of positioning bolts penetrate through the main sealing nozzle, and the positioning bolts are in threaded connection with the flow dividing plate.
Preferably, two placement grooves with two ends symmetrically distributed are formed in the top of the flow distribution plate, a flow distribution plate heating ring and a heating ring protecting cover are installed in the placement grooves, and the heating ring protecting cover is arranged above the flow distribution plate heating ring.
Preferably, the bottom of the second air port is provided with a leakage prevention nozzle, the cross section of the leakage prevention nozzle is L-shaped, and the bottom wall of the leakage prevention nozzle is concave.
Compared with the prior art, the invention provides an electric needle valve type hot runner system, which has the following beneficial effects:
1. this electronic needle valve formula hot runner system carries out the injection molding through the injection molding machine in main mouth department, fluid plastics gets into the second runner through first runner, flow into the watering mouth again, flow from watering mouth below, carry out the injection molding in the mould, after finishing, start the hydro-cylinder, hydro-cylinder drive needle moves downwards, the outer wall of tip on the needle and the inner wall of watering mouth paste tightly, the runner is closed, the lower part of first gas port is located the mould this moment, the upper portion and the outdoor intercommunication of first gas port, because the temperature in the mould is higher, outdoor temperature is lower, can form the air pressure difference in first gas port, the high temperature gas outwards overflows through first gas port, this air pressure difference produces ascending effort to the fluid plastics that adheres to on the tip, thereby effectively prevent that fluid plastics from dripping from the tip, simultaneously, because the air of first gas port lower part is in the state that overflows, can have certain cooling effect to the fluid plastics that adheres to on the tip, make it take place solidification to a certain extent, thereby further prevent it from dripping, the planarization of runner is improved.
2. This electronic needle valve formula hot runner system is provided with the fan, can be after the valve needle closes the runner, starts the fan, and the fan is convulsions, takes out the gas in the cavity through the connecting pipe to further improve above-mentioned air pressure difference, thereby prevent fluid plastics drip phenomenon, and be provided with blade and axostylus axostyle, can be when taking out, make the blade take place to rotate, pivoted blade makes the interior gas flowability reinforcing of cavity, thereby the gas in the acceleration cavity is taken out by the pump drainage.
3. The outer wall of the flat head part on the valve needle is tightly attached to the inner wall of the pouring nozzle, the pouring gate is closed, at the moment, the lower part of the second air port is positioned in the die, the upper part of the second air port is communicated with the outside, the outside temperature is lower, the air pressure difference can be formed in the second air port due to the fact that the temperature in the die is higher, high-temperature air overflows outwards through the second air port, the air pressure difference generates upward acting force on the fluid plastic attached to the flat head part, so that the fluid plastic is effectively prevented from dripping from the flat head part, meanwhile, due to the fact that the air at the lower part of the second air port is in an overflow state, the fluid plastic attached to the flat head part can be cooled to a certain extent, the fluid plastic is solidified to a certain extent, so that the dripping of the fluid plastic is further prevented, the flatness of the pouring gate is improved, the second air port is positioned under the flat head part, the adhered plastic can be conveniently pushed into the second air pressure difference, the inner wall of the plastic and the second air port is adhered, the adhesion area is improved, the adhesion thickness formed as a whole is reduced, the fluid plastic is prevented from dripping, and the fluid plastic is prevented from flowing from the flat head part, the anti-leakage mouth is arranged, the anti-leakage mouth is convenient to enter the concave mouth, and the anti-leakage mouth is arranged, and the anti-leakage mouth is convenient to flow mouth, and the anti-leakage mouth is arranged, and the anti-leakage mouth.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an electric needle valve type hot runner system according to the present invention;
FIG. 2 is a schematic cross-sectional view of an electric needle valve hot runner system according to the present invention;
FIG. 3 is a schematic diagram of a hot nozzle heating ring installation structure of an electric needle valve type hot runner system according to the present invention;
FIG. 4 is a schematic cross-sectional view of a collar of an electric needle valve hot runner system according to the present invention;
FIG. 5 is a schematic cross-sectional view of a valve needle of an electric needle valve hot runner system according to the present invention;
FIG. 6 is a schematic view of a vane mounting structure of an electric needle valve hot runner system according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of the portion B of an electric needle valve type hot runner system according to the present invention;
fig. 8 is an enlarged schematic view of a portion a of an electric needle valve type hot runner system according to the present invention.
In the figure: 1. a diverter plate; 2. a first flow passage; 3. a second flow passage; 4. a pouring nozzle; 5. a bayonet; 6. a hot nozzle heating ring; 7. a heat insulating sleeve; 8. a round hole; 9. a valve needle; 10. an oil cylinder; 11. a tip portion; 12. a first gas port; 13. a flat head; 14. a second gas port; 15. a collar; 16. a chamber; 17. a third port; 18. a fourth gas port; 19. a connecting pipe; 20. a blower; 21. a shaft lever; 22. a blade; 23. a main seal nozzle; 24. positioning bolts; 25. a placement groove; 26. a diverter plate heating ring; 27. a heating ring protecting cover; 28. and (5) a leakage nozzle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-4 and 6-7, an electric needle valve type hot runner system comprises a splitter plate 1, wherein a first runner 2 is arranged at the top of the splitter plate 1, two second runners 3 which are symmetrically distributed on two sides are arranged at the bottom of the splitter plate 1, the second runners 3 are communicated with the first runner 2, a pouring nozzle 4 is connected with the bottom of the second runner 3 in a threaded manner, a hot nozzle heating ring 6 is sleeved on the pouring nozzle 4, a bayonet 5 is arranged at one side of the bottom of the pouring nozzle 4, the wiring end of the hot nozzle heating ring 6 is clamped in the bayonet 5, a heat insulation sleeve 7 is connected with the lower side of the pouring nozzle 4 in a threaded manner, two round holes 8 which are symmetrically distributed on two sides are formed in the top of the splitter plate 1, a valve needle 9 is inserted into the round holes 8, the valve needle 9 extends into the pouring nozzle 4, an oil cylinder 10 is connected to the top of the valve needle 9, and a drip prevention mechanism is arranged on the valve needle 9.
Further, the drip-proof mechanism comprises at least two first air openings 12 with L-shaped sections, the bottom of the valve needle 9 is provided with a sharp head 11, the bottom of the first air openings 12 is positioned on the side wall of the sharp head 11, and the top of the first air openings 12 is positioned on the side wall of the valve needle 9.
Further, the top of the splitter plate 1 is fixedly connected with two symmetrically distributed lantern rings 15, the valve needle 9 is located at the center of the lantern rings 15, a cavity 16 is formed in the lantern rings 15, a third air port 17 which is densely distributed is formed in the inner wall of the circumference of the lantern rings 15, the third air port 17 is communicated with the cavity 16, a fourth air port 18 is formed in the outer wall of one side of the lantern rings 15, the fourth air port 18 is communicated with a connecting pipe 19, a fan 20 is fixedly connected to the top of the splitter plate 1, and the air inlet end of the fan 20 is communicated with the connecting pipe 19.
Further, the inner wall of the bottom of the chamber 16 is rotatably connected with a plurality of annular array distributed shaft rods 21, and the circumferential outer wall of the shaft rods 21 is fixedly connected with a plurality of annular array distributed blades 22.
Further, a main sealing nozzle 23 is arranged above the first runner 2, a plurality of positioning bolts 24 are arranged on the main sealing nozzle 23 in a penetrating mode, and the positioning bolts 24 are in threaded connection with the splitter plate 1.
Further, two placement grooves 25 which are symmetrically distributed at two ends are formed in the top of the flow distribution plate 1, a flow distribution plate heating ring 26 and a heating ring protecting cover 27 are installed in the placement grooves 25, and the heating ring protecting cover 27 is arranged above the flow distribution plate heating ring 26.
Working principle: when the injection molding machine is used, injection molding is carried out at the main sealing nozzle 23, fluid plastic enters the second flow channel 3 through the first flow channel 2 and flows into the pouring nozzle 4, the fluid plastic flows out from the lower part of the pouring nozzle 4 and flows into a mold, after injection molding is finished, the oil cylinder 10 is started, the oil cylinder 10 drives the valve needle 9 to move downwards, the outer wall of the pointed end part 11 on the valve needle 9 is tightly attached to the inner wall of the pouring nozzle 4, the pouring gate is closed, at the moment, the lower part of the first air port 12 is positioned in the mold, the upper part of the first air port 12 is communicated with the outside, due to the fact that the temperature in the mold is relatively high, air pressure difference can be formed in the first air port 12, high-temperature air overflows outwards through the first air port 12, and accordingly, the fluid plastic attached to the pointed end part 11 is effectively prevented from dropping down, meanwhile, air at the lower part of the first air port 12 is in an overflow state, the fluid plastic attached to the pointed end part 11 can be solidified to a certain extent, and the fluid plastic is prevented from dropping down, and the pouring gate is further prevented from dropping down;
further, be provided with fan 20, can start fan 20 after valve needle 9 closes the runner, fan 20 carries out the convulsions to take out the gas in with cavity 16 through connecting pipe 19, thereby further improve above-mentioned air pressure difference, thereby prevent fluid plastics drip phenomenon, and be provided with blade 22 and axostylus axostyle 21, can be when taking out, make blade 22 take place to rotate, the blade 22 that rotates makes the interior gas flowability reinforcing of cavity 16, thereby the gas in the acceleration cavity 16 is taken out and is discharged.
Example 2
Referring to fig. 1-8, an electric needle valve type hot runner system comprises a splitter plate 1, a first runner 2 is arranged at the top of the splitter plate 1, two second runners 3 which are symmetrically distributed on two sides are arranged at the bottom of the splitter plate 1, the second runners 3 are communicated with the first runner 2, a pouring nozzle 4 is connected to the bottom of the second runner 3 in a threaded manner, a hot nozzle heating ring 6 is sleeved on the pouring nozzle 4, a bayonet 5 is arranged at one side of the bottom of the pouring nozzle 4, the wiring end of the hot nozzle heating ring 6 is clamped in the bayonet 5, a heat insulation sleeve 7 is connected to the lower portion of the pouring nozzle 4 in a threaded manner, two round holes 8 which are symmetrically distributed on two sides are formed in the top of the splitter plate 1, a valve needle 9 is inserted in the round holes 8, the valve needle 9 extends into the pouring nozzle 4, an oil cylinder 10 is connected to the top of the valve needle 9, and a drip-proof mechanism is arranged on the valve needle 9.
Further, the drip-proof mechanism comprises a second air port 14 with a T-shaped cross section, the bottom of the valve needle 9 is provided with a flat head 13, the bottom of the second air port 14 is positioned at the bottom of the flat head 13, and the top of the second air port 14 is positioned on the side wall of the valve needle 9.
Further, the top of the splitter plate 1 is fixedly connected with two symmetrically distributed lantern rings 15, the valve needle 9 is located at the center of the lantern rings 15, a cavity 16 is formed in the lantern rings 15, a third air port 17 which is densely distributed is formed in the inner wall of the circumference of the lantern rings 15, the third air port 17 is communicated with the cavity 16, a fourth air port 18 is formed in the outer wall of one side of the lantern rings 15, the fourth air port 18 is communicated with a connecting pipe 19, a fan 20 is fixedly connected to the top of the splitter plate 1, and the air inlet end of the fan 20 is communicated with the connecting pipe 19.
Further, the inner wall of the bottom of the chamber 16 is rotatably connected with a plurality of annular array distributed shaft rods 21, and the circumferential outer wall of the shaft rods 21 is fixedly connected with a plurality of annular array distributed blades 22.
Further, a main sealing nozzle 23 is arranged above the first runner 2, a plurality of positioning bolts 24 are arranged on the main sealing nozzle 23 in a penetrating mode, and the positioning bolts 24 are in threaded connection with the splitter plate 1.
Further, two placement grooves 25 which are symmetrically distributed at two ends are formed in the top of the flow distribution plate 1, a flow distribution plate heating ring 26 and a heating ring protecting cover 27 are installed in the placement grooves 25, and the heating ring protecting cover 27 is arranged above the flow distribution plate heating ring 26.
Further, the bottom of the second air port 14 is provided with a leakage preventing nozzle 28, the cross section of the leakage preventing nozzle 28 is L-shaped, and the bottom wall of the leakage preventing nozzle 28 is concave.
Working principle: when in use, the injection molding machine is used for injecting plastic at the main sealing nozzle 23, fluid plastic enters the second flow channel 3 through the first flow channel 2 and flows into the pouring nozzle 4, flows out from the lower part of the pouring nozzle 4 and flows into the die for injection molding, after the injection molding is finished, the oil cylinder 10 is started, the oil cylinder 10 drives the valve needle 9 to move downwards, the outer wall of the flat head 13 on the valve needle 9 is tightly adhered to the inner wall of the pouring nozzle 4, the gate is closed, at the moment, the lower part of the second air port 14 is positioned in the die, the upper part of the second air port 14 is communicated with the outside, the air pressure difference can be formed in the second air port 14 due to the higher temperature in the die, high-temperature air overflows outwards through the second air port 14, the air pressure difference generates upward acting force on the fluid plastic adhered to the flat head 13, thereby effectively preventing the fluid plastic from dripping from the flat head 13, meanwhile, as the air at the lower part of the second air port 14 is in an overflow state, the fluid plastic attached to the flat head 13 can be solidified to a certain degree, so that the fluid plastic is further prevented from dripping, the flatness of the pouring gate is improved, the second air port 14 is positioned right below the flat head 13, the air pressure difference can be convenient for pushing the attached plastic into the second air port 14, so that the plastic is attached to the inner wall of the second air port 14, the attaching area is increased, the integrally formed attaching thickness is reduced, the dripping is prevented, the leakage prevention nozzle 28 is arranged, the cross section of the leakage prevention nozzle 28 is L-shaped, the bottom wall of the leakage prevention nozzle 28 is concave, the plastic can be conveniently introduced from the lower part of the leakage prevention nozzle 28, and the backflow is prevented, so that the dripping is prevented;
further, be provided with fan 20, can start fan 20 after valve needle 9 closes the runner, fan 20 carries out the convulsions to take out the gas in with cavity 16 through connecting pipe 19, thereby further improve above-mentioned air pressure difference, thereby prevent fluid plastics drip phenomenon, and be provided with blade 22 and axostylus axostyle 21, can be when taking out, make blade 22 take place to rotate, the blade 22 that rotates makes the interior gas flowability reinforcing of cavity 16, thereby the gas in the acceleration cavity 16 is taken out and is discharged.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Claims (5)
1. The utility model provides an electronic needle valve formula hot runner system, includes flow distribution plate (1), its characterized in that, first runner (2) have been seted up at flow distribution plate (1) top, two second runners (3) that are bilateral symmetry distribution have been seted up to flow distribution plate (1) bottom, second runner (3) communicate with each other with first runner (2), second runner (3) bottom threaded connection has watering mouth (4), the cover is equipped with hot mouth heating collar (6) on watering mouth (4), bayonet socket (5) have been seted up to watering mouth (4) bottom one side, the terminal joint of hot mouth heating collar (6) is in bayonet socket (5), thread connection has insulation jacket (7) below watering mouth (4), two round holes (8) that are bilateral symmetry distribution have been seted up at flow distribution plate (1) top, the interpolation of round hole (8) is equipped with needle (9), needle (9) extend to in watering mouth (4), needle (9) top are connected with hydro-cylinder (10), be provided with drip proof mechanism on the needle (9).
The drip-proof mechanism is at least two first air ports (12) with L-shaped sections, a pointed part (11) is arranged at the bottom of the valve needle (9), the bottom of the first air ports (12) is positioned on the side wall of the pointed part (11), and the top of the first air ports (12) is positioned on the side wall of the valve needle (9);
the top of the flow dividing plate (1) is fixedly connected with two symmetrically distributed lantern rings (15), the valve needle (9) is positioned at the center of the lantern rings (15), a cavity (16) is formed in the lantern rings (15), densely distributed third air ports (17) are formed in the inner circumferential wall of the lantern rings (15), the third air ports (17) are communicated with the cavity (16), a fourth air port (18) is formed in the outer wall of one side of the lantern rings (15), the fourth air port (18) is communicated with a connecting pipe (19), a fan (20) is fixedly connected to the top of the flow dividing plate (1), and the air inlet end of the fan (20) is communicated with the connecting pipe (19);
the inner wall of the bottom of the cavity (16) is rotationally connected with a plurality of annular array distributed shaft rods (21), and the circumferential outer wall of each shaft rod (21) is fixedly connected with a plurality of annular array distributed blades (22).
2. An electric needle valve type hot runner system according to claim 1, characterized in that the drip-proof mechanism is also provided with a second air port (14) with a T-shaped cross section, the bottom of the valve needle (9) is provided with a flat head part (13), the bottom of the second air port (14) is positioned at the bottom of the flat head part (13), and the top of the second air port (14) is positioned at the side wall of the valve needle (9).
3. An electric needle valve type hot runner system according to claim 1, characterized in that a main sealing nozzle (23) is arranged above the first runner (2), a plurality of positioning bolts (24) are arranged on the main sealing nozzle (23) in a penetrating way, and the positioning bolts (24) are in threaded connection with the splitter plate (1).
4. The electric needle valve type hot runner system according to claim 1, wherein two placement grooves (25) symmetrically distributed at two ends are formed in the top of the splitter plate (1), a splitter plate heating ring (26) and a heating ring protecting cover (27) are installed in the placement grooves (25), and the heating ring protecting cover (27) is arranged above the splitter plate heating ring (26).
5. The electric needle valve type hot runner system according to claim 2, wherein a leakage preventing nozzle (28) is installed at the bottom of the second air port (14), the leakage preventing nozzle (28) is provided with an L-shaped cross section, and the bottom wall of the leakage preventing nozzle (28) is concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210558833.4A CN114932657B (en) | 2022-05-21 | 2022-05-21 | Electric needle valve type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210558833.4A CN114932657B (en) | 2022-05-21 | 2022-05-21 | Electric needle valve type hot runner system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114932657A CN114932657A (en) | 2022-08-23 |
| CN114932657B true CN114932657B (en) | 2023-10-10 |
Family
ID=82864717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210558833.4A Active CN114932657B (en) | 2022-05-21 | 2022-05-21 | Electric needle valve type hot runner system |
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| CN116901395B (en) * | 2023-07-17 | 2024-03-08 | 东莞金熙特高分子材料实业有限公司 | But heat recovery's extruder for PA material |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190213271A (en) * | 1902-06-11 | 1902-08-14 | Conrad Field Mendham | An Improved Method of and Apparatus for Controlling the Delivery of Viscous Liquids, in Measured or other Quantities, Chiefly Designed for use in Filling Jars, Tins and other Receptacles with such Liquids. |
| US4781554A (en) * | 1987-07-09 | 1988-11-01 | Michael Ladney | Apparatus for the injection molding of thermoplastics |
| US4932858A (en) * | 1989-06-30 | 1990-06-12 | Gellert Jobst U | Injection molding system having dual feed bushing seated in manifold |
| JPH06190869A (en) * | 1992-12-24 | 1994-07-12 | Jiyuken Kogyo:Kk | Open nozzle of injection molding machine |
| JP2001219449A (en) * | 2000-02-14 | 2001-08-14 | Canon Inc | Valve gate type mold and method and jig for assembling hot runner unit |
| KR20080079967A (en) * | 2007-02-28 | 2008-09-02 | 김혁중 | Hot runner valve system for injection molding |
| DE202007017136U1 (en) * | 2007-12-06 | 2009-04-16 | Günther Heisskanaltechnik Gmbh | Valve needle for a needle valve nozzle |
| KR20110072080A (en) * | 2009-12-22 | 2011-06-29 | 주식회사 동명테크 | Hot runner system with valved three-hole nozzle |
| KR20110078432A (en) * | 2009-12-31 | 2011-07-07 | 주식회사 동명테크 | Hot runner system with a gas vent hole |
| US7997895B1 (en) * | 2010-04-06 | 2011-08-16 | Mold Hotrunner Solutions Inc. | Injection apparatus for injection molding of thermoplastic parts |
| CN202462799U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Novel multi-point needle valve type hot runner system |
| CN203973922U (en) * | 2014-07-18 | 2014-12-03 | 柳道（青岛）热流道系统有限公司 | A kind of new single site needle-valve type hot nozzle |
| CN204340115U (en) * | 2014-12-12 | 2015-05-20 | 东莞市热恒注塑科技有限公司 | There is the cylinder of needle-valve cover cooling structure and there is the TOP-TIP of this cylinder |
| CN204431649U (en) * | 2015-01-17 | 2015-07-01 | 牟维军 | Prevent goods from occurring the hot runner mould mechanism of wire drawing |
| JP2016168799A (en) * | 2015-03-13 | 2016-09-23 | 株式会社吉野工業所 | Blow molding device |
| JP2016168800A (en) * | 2015-03-13 | 2016-09-23 | 株式会社吉野工業所 | Blow molding device |
| EP3366446A1 (en) * | 2015-10-21 | 2018-08-29 | Eishin Technology Co., Ltd | Wax injection molding machine and injection nozzle used in lost-wax casting |
| CN208841710U (en) * | 2018-08-01 | 2019-05-10 | 绵阳宜乐科技有限公司 | A kind of antidrip injection molding machine nozzle |
| WO2019188671A1 (en) * | 2018-03-27 | 2019-10-03 | 住友重機械工業株式会社 | Mold system |
| JP6795716B1 (en) * | 2020-02-28 | 2020-12-02 | 株式会社ソディック | Injection device and injection control method |
| CN112476977A (en) * | 2020-11-13 | 2021-03-12 | 南京启流风电子商务有限公司 | Motor housing prevents dripping and spatters and anti-clogging device of moulding plastics |
| CN113414864A (en) * | 2021-07-28 | 2021-09-21 | 邓杰 | Concrete precast block molding and manufacturing machine and manufacturing method |
| KR20220043976A (en) * | 2020-09-28 | 2022-04-06 | 도림공업(주) | TPO injection process manufacturing apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10325260A1 (en) * | 2003-06-03 | 2004-12-30 | Gauss, Ralph | Plastic injection unit through double needle |
| US8047836B2 (en) * | 2010-04-06 | 2011-11-01 | Mold Hotrunner Solutions Inc. | Nozzle valve gate apparatus with wiper seal |
-
2022
- 2022-05-21 CN CN202210558833.4A patent/CN114932657B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190213271A (en) * | 1902-06-11 | 1902-08-14 | Conrad Field Mendham | An Improved Method of and Apparatus for Controlling the Delivery of Viscous Liquids, in Measured or other Quantities, Chiefly Designed for use in Filling Jars, Tins and other Receptacles with such Liquids. |
| US4781554A (en) * | 1987-07-09 | 1988-11-01 | Michael Ladney | Apparatus for the injection molding of thermoplastics |
| US4932858A (en) * | 1989-06-30 | 1990-06-12 | Gellert Jobst U | Injection molding system having dual feed bushing seated in manifold |
| JPH06190869A (en) * | 1992-12-24 | 1994-07-12 | Jiyuken Kogyo:Kk | Open nozzle of injection molding machine |
| JP2001219449A (en) * | 2000-02-14 | 2001-08-14 | Canon Inc | Valve gate type mold and method and jig for assembling hot runner unit |
| KR20080079967A (en) * | 2007-02-28 | 2008-09-02 | 김혁중 | Hot runner valve system for injection molding |
| DE202007017136U1 (en) * | 2007-12-06 | 2009-04-16 | Günther Heisskanaltechnik Gmbh | Valve needle for a needle valve nozzle |
| KR20110072080A (en) * | 2009-12-22 | 2011-06-29 | 주식회사 동명테크 | Hot runner system with valved three-hole nozzle |
| KR20110078432A (en) * | 2009-12-31 | 2011-07-07 | 주식회사 동명테크 | Hot runner system with a gas vent hole |
| US7997895B1 (en) * | 2010-04-06 | 2011-08-16 | Mold Hotrunner Solutions Inc. | Injection apparatus for injection molding of thermoplastic parts |
| CN202462799U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Novel multi-point needle valve type hot runner system |
| CN203973922U (en) * | 2014-07-18 | 2014-12-03 | 柳道（青岛）热流道系统有限公司 | A kind of new single site needle-valve type hot nozzle |
| CN204340115U (en) * | 2014-12-12 | 2015-05-20 | 东莞市热恒注塑科技有限公司 | There is the cylinder of needle-valve cover cooling structure and there is the TOP-TIP of this cylinder |
| CN204431649U (en) * | 2015-01-17 | 2015-07-01 | 牟维军 | Prevent goods from occurring the hot runner mould mechanism of wire drawing |
| JP2016168799A (en) * | 2015-03-13 | 2016-09-23 | 株式会社吉野工業所 | Blow molding device |
| JP2016168800A (en) * | 2015-03-13 | 2016-09-23 | 株式会社吉野工業所 | Blow molding device |
| EP3366446A1 (en) * | 2015-10-21 | 2018-08-29 | Eishin Technology Co., Ltd | Wax injection molding machine and injection nozzle used in lost-wax casting |
| WO2019188671A1 (en) * | 2018-03-27 | 2019-10-03 | 住友重機械工業株式会社 | Mold system |
| CN208841710U (en) * | 2018-08-01 | 2019-05-10 | 绵阳宜乐科技有限公司 | A kind of antidrip injection molding machine nozzle |
| JP6795716B1 (en) * | 2020-02-28 | 2020-12-02 | 株式会社ソディック | Injection device and injection control method |
| KR20220043976A (en) * | 2020-09-28 | 2022-04-06 | 도림공업(주) | TPO injection process manufacturing apparatus |
| CN112476977A (en) * | 2020-11-13 | 2021-03-12 | 南京启流风电子商务有限公司 | Motor housing prevents dripping and spatters and anti-clogging device of moulding plastics |
| CN113414864A (en) * | 2021-07-28 | 2021-09-21 | 邓杰 | Concrete precast block molding and manufacturing machine and manufacturing method |
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| CN114932657A (en) | 2022-08-23 |
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