CN114953361A - Spiral type mixing and pouring mechanism of hot runner mold - Google Patents
Spiral type mixing and pouring mechanism of hot runner mold Download PDFInfo
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- CN114953361A CN114953361A CN202210454641.9A CN202210454641A CN114953361A CN 114953361 A CN114953361 A CN 114953361A CN 202210454641 A CN202210454641 A CN 202210454641A CN 114953361 A CN114953361 A CN 114953361A
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- pouring
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000001746 injection moulding Methods 0.000 claims abstract description 92
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000009413 insulation Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012768 molten material Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 238000013329 compounding Methods 0.000 description 32
- 239000004033 plastic Substances 0.000 description 25
- 229920003023 plastic Polymers 0.000 description 25
- 238000000465 moulding Methods 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
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- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
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- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C45/2711—Gate inserts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of molds, and particularly relates to a spiral type mixed material pouring mechanism of a hot runner mold. The hot runner upper template comprises a hot runner upper template, wherein an injection molding plate is arranged at the top of the hot runner upper template. In the injection molding process, the molten material is injected into the spiral mixed material pouring assembly from the detachable flow-expanding pressurizing part, the detachable flow-expanding pressurizing part adopts a detachable structure, so that workers can conveniently disassemble, assemble, maintain and replace the molten material, meanwhile, the material port is increased, the flow-expanding pressurizing effect is achieved, the injection molding speed is improved, the molten material is fully mixed in the injection molding process through the spiral mixed material pouring assembly, the temperature unevenness caused by the fact that the flow rates of the side wall of the runner and the middle part of the runner are inconsistent is prevented, the spiral injection molding structure is adopted and is fed into the injection molding communicating pipe, the opening and closing of the injection molding runner can be automatically adjusted through the runner opening adjusting part, the automation degree is higher, the manual labor intensity is greatly reduced, and the practicability is higher.
Description
Technical Field
The invention belongs to the technical field of molds, and relates to a spiral type mixed material pouring mechanism of a hot runner mold.
Background
The hot runner system injects melted plastic into the cavity of the mold, and performs injection molding by heating the mold, so that the hot runner system has the advantages of shortening the molding period of a workpiece, improving the efficiency, saving plastic raw materials, reducing waste products, improving the product quality, eliminating the post-coarse process, and is beneficial to production automation and expanding the application range of the injection molding process. The structure of watering is advanced in moulding plastics among the current hot runner mold, and its compounding ability is comparatively general when moulding plastics, and the commodity circulation velocity of flow at runner lateral wall and runner middle part is inconsistent easily, leads to the temperature inequality, and the runner switching needs manually operation, and artifical intensity of labour is big, and the practicality is comparatively general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a hot runner mold structure [ application No.: 201610401379.6], the hot runner mold structure comprises a fixed mold plate, a main gate arranged on the fixed mold plate, a splitter plate connected with the main gate, a splitter gate connected with the splitter plate, and a central locating pin arranged at the end of the splitter plate; a runner is arranged in the flow distribution plate and comprises a main runner, a secondary runner and a flow distribution channel; the main runner is arranged in the main runner, the secondary runner is connected with the main runner, and the sub-runners are connected with the secondary runners; the corners of the main runner, the secondary runners and the sub-runners are all bent angles; the cross sections of the main runner, the secondary runner and the sub-runners are all located in the same plane. But its compounding ability is still comparatively general when this scheme is moulded plastics, and the commodity circulation velocity of flow lateral wall and runner middle part is inconsistent easily, leads to the temperature uneven, and the runner switching needs manually operation, and it is big to have artifical intensity of labour, and the practicality is comparatively general defect.
Disclosure of Invention
The invention aims to solve the problems and provides a spiral type material mixing and pouring mechanism of a hot runner mold.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mechanism is watered in hot runner mold's screw-tupe compounding, includes the hot runner cope match-plate pattern, hot runner cope match-plate pattern top be equipped with the communicating pipe of moulding plastics, the injection moulding inboard be equipped with the screw-tupe compounding and advance to water the subassembly, the screw-tupe compounding advance to water the subassembly extend and let in to the hot runner cope match-plate pattern in and the screw-tupe compounding advances to water the subassembly and mould plastics communicating pipe looks butt cooperation, the injection moulding board on be equipped with removable diffusion and flow the pressurized piece, removable diffusion and flow the pressurized piece and screw-tupe compounding advance to water the position of subassembly corresponding, the hot runner cope match-plate pattern in still be equipped with the runner opening adjustment part that can follow the reciprocal linear motion of horizontal direction, runner opening adjustment part be located below the communicating pipe of moulding plastics.
In the spiral type mixing pouring mechanism of the hot runner mold, the spiral type mixing pouring component comprises a pouring main body pipe arranged in an injection molding plate, a spiral mixing connecting piece is arranged at the bottom of the pouring main body pipe, the pouring main body pipe is in butt joint fit with an injection molding communicating pipe, and the spiral mixing connecting piece extends into the injection molding communicating pipe.
In foretell hot runner mold's screw-tupe compounding advances to water the mechanism, screw mixing connecting piece including set up in advancing the compounding connector of watering main part socle portion, the compounding connector on be equipped with a plurality of compounding helicla flutes that are the distribution of annular array along compounding connector central point, the communicating intraductal connector installation cavity that is equipped with of moulding plastics, the compounding connector be located connector installation cavity.
In the spiral type mixing and pouring mechanism of the hot runner mold, the mixing connector is internally provided with a material injection groove, the bottom of the material injection groove is provided with a plurality of connecting holes, and the connecting holes are communicated with the mixing spiral groove.
In the spiral type mixing pouring mechanism of the hot runner mold, an injection molding channel is arranged at the bottom of the connecting head installation cavity, the injection molding channel corresponds to the mixing spiral groove in position, and a sealing ring is sleeved between the pouring main body pipe and the injection molding communicating pipe.
In the spiral type material mixing pouring mechanism of the hot runner mold, the injection molding communicating pipe is provided with the communicating pipe outer nesting and the heat insulation sleeve, the communicating pipe outer nesting is matched with the hot runner upper mold plate in a clamping manner, and the heat insulation sleeve is internally provided with a plurality of heat insulation annular grooves which are parallel to each other.
In the spiral mixing pouring mechanism of the hot runner mold, the detachable flow expansion pressurizing part comprises a flow expansion pressurizing cylinder sleeve arranged on the injection molding plate, the flow expansion pressurizing cylinder sleeve is in butt fit with the pouring main body pipe, a flow expansion cavity is arranged in the flow expansion pressurizing cylinder sleeve, and the flow expansion cavity is in an inverted frustum shape.
In the spiral mixing pouring mechanism of the hot runner mold, the flow expansion pressurizing cylinder sleeve is provided with a threaded fixing plate, the bottom of the threaded fixing plate is provided with an alignment clamping plate, the alignment clamping plate is in clamping fit with the injection molding plate, and the threaded fixing plate is connected with the injection molding plate through a plurality of fastening bolts.
In the spiral type material mixing and pouring mechanism of the hot runner mold, the flow channel opening adjusting part comprises a flow channel opening adjusting plate arranged in an upper template of the hot runner, and an alignment material hole is arranged in the flow channel opening adjusting plate and corresponds to the position of the injection molding channel.
In the spiral material mixing and pouring mechanism of the hot runner mold, the hot runner upper mold plate is provided with a linear driver, and a power shaft of the linear driver is connected with a flow channel opening adjusting plate.
Compared with the prior art, the invention has the advantages that:
1. in the injection molding process, the molten material is injected into the spiral mixed material pouring assembly from the detachable flow-expanding pressurizing part, the detachable flow-expanding pressurizing part adopts a detachable structure, so that workers can conveniently disassemble, assemble, maintain and replace the molten material, meanwhile, the material port is increased, the flow-expanding pressurizing effect is achieved, the injection molding speed is improved, the molten material is fully mixed in the injection molding process through the spiral mixed material pouring assembly, the temperature unevenness caused by the fact that the flow rates of the side wall of the runner and the middle part of the runner are inconsistent is prevented, the spiral injection molding structure is adopted and is fed into the injection molding communicating pipe, the opening and closing of the injection molding runner can be automatically adjusted through the runner opening adjusting part, the automation degree is higher, the manual labor intensity is greatly reduced, and the practicability is higher.
2. The connecting pipe is nested outside the connecting pipe, so that the connecting pipe can be clamped and matched with the hot runner upper template in the installation process, the alignment is accurate, the deflection is not easy to occur, the heat insulation ring groove in the heat insulation sleeve can reduce the heat to be directly transferred into the hot runner upper template, a better heat insulation effect is achieved, and the safety is better.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a schematic diagram of the structure of a spiral-type compounding and pouring assembly.
Fig. 4 is a schematic structural view of the injection-molded communication pipe.
In the figure: the hot runner cope match-plate pattern 1, the board 2 of moulding plastics, the communicating pipe 3 of moulding plastics, the spiral type compounding advances to water subassembly 4, removable class pressure parts that expand 5, runner opening regulating part 6, advance to water main part pipe 7, spiral compounding connecting piece 8, compounding connector 9, compounding helicla flute 10, connector installation cavity 11, notes material recess 12, even hole 13, the passageway 14 of moulding plastics, the outer nestification 15 of communicating pipe, thermal-insulated sleeve 16, thermal-insulated annular 17, expand class pressure barrel casing 18, expand class chamber 19, spiro union fixed plate 20, counterpoint cardboard 21, runner opening regulating plate 22, counterpoint material hole 23, linear actuator 24.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a spiral mixing and pouring mechanism of a hot runner mold comprises an upper hot runner template 1, the top of the hot runner upper template 1 is provided with an injection molding plate 2, the hot runner upper template 1 is internally provided with an injection molding communicating pipe 3, a spiral mixing and pouring component 4 is arranged in the injection molding plate 2, the spiral mixing and pouring component 4 extends into the hot runner upper template 1 and is in butt fit with the injection communicating pipe 3, the injection molding plate 2 is provided with a detachable flow expansion pressurizing part 5, the detachable flow expansion pressurizing part 5 corresponds to the position of the spiral mixed material pouring component 4, the hot runner upper template 1 is also internally provided with a runner opening adjusting part 6 which can do reciprocating linear motion along the horizontal direction, and the runner opening adjusting part 6 is positioned below the injection molding communicating pipe 3.
In the embodiment, before the injection molding device is used, the upper hot runner template 1 is abutted and matched with the injection molding plate 2, so that the spiral type mixed material pouring component 4 is abutted and matched with the injection molding communicating pipe 3, in the injection molding process, a molten material is injected into the spiral type mixed material pouring component 4 from the detachable flow expansion pressurizing part 5, the detachable flow expansion pressurizing part 5 adopts a detachable structure, so that a worker can conveniently disassemble, assemble, maintain and replace the molten material, meanwhile, a material port is increased, the flow expansion pressurizing effect is achieved, the injection molding speed is improved, the molten material is fully mixed in the injection molding process through the spiral type mixed material pouring component 4, the temperature unevenness caused by the inconsistency of the flow speed of the side wall of a flow channel and the flow channel middle part is prevented, the spiral injection molding structure is adopted and sent into the injection molding communicating pipe 3, the opening and closing of the injection molding flow channel can be automatically adjusted through the flow channel opening adjusting part 6, the automation degree is higher, greatly reducing the labor intensity of workers and having stronger practicability.
Referring to fig. 1-4, the spiral mixing and pouring assembly 4 comprises a pouring main pipe 7 arranged in the injection molding plate 2, a spiral mixing connecting piece 8 is arranged at the bottom of the pouring main pipe 7, the pouring main pipe 7 is in butt fit with the injection molding communicating pipe 3, and the spiral mixing connecting piece 8 extends into the injection molding communicating pipe 3.
Specifically speaking, at the in-process of moulding plastics, the melting material pours into through removable diffusion pressure parts 5 and waters in main part pipe 7, sends into the material through spiral compounding connecting piece 8 again and moulds plastics communicating pipe 3 in, and spiral compounding connecting piece 8 adopts the heliciform injection structure, and the in-process of moulding plastics carries out the intensive mixing, prevents that the inconsistent temperature that leads to of runner lateral wall and runner middle part velocity of flow from uneven, and the effect of moulding plastics is better.
Combine fig. 1, fig. 2 to show, spiral compounding connecting piece 8 including set up in advancing the compounding connector 9 of watering the main part pipe 7 bottom, compounding connector 9 on be equipped with a plurality of compounding helicla flutes 10 that are the distribution of annular array along compounding connector 9 central point, 3 in being equipped with connector installation cavity 11 communicating pipes mould plastics, compounding connector 9 be located connector installation cavity 11.
In this embodiment, connector installation cavity 11 is used for placing compounding connector 9, at the in-process of moulding plastics, the melting material pours into through removable expanding flow pressure parts 5 and waters in main part pipe 7, send into the material through compounding helicla flute 10 in the compounding connector 9 again to moulding plastics communicating pipe 3 in, compounding helicla flute 10 adopts the heliciform structure of moulding plastics, the in-process of moulding plastics carries out the intensive mixing, prevent that the inconsistent temperature that leads to of runner lateral wall and runner middle part velocity of flow from uneven, it is better to mould plastics the effect.
The material mixing connector 9 is internally provided with a material injection groove 12, the bottom of the material injection groove 12 is provided with a plurality of connecting holes 13, and the connecting holes 13 are communicated with the material mixing spiral groove 10.
In this embodiment, annotate material recess 12 and be used for connecting flourishing amasss melting material for melting material adopts a plurality of even holes 13 and a plurality of compounding helicla flute 10 in flowing into compounding helicla flute 10 through even hole 13, moulds plastics in step, has further accelerated the speed of moulding plastics, shortens the molding cycle.
Referring to fig. 1-3, an injection molding channel 14 is arranged at the bottom of the connector mounting chamber 11, the injection molding channel 14 corresponds to the mixing spiral groove 10, and a sealing ring is sleeved between the pouring main body pipe 7 and the injection molding communicating pipe 3.
In this embodiment, during injection molding, the molten material is sent into the forming chamber through the mixing spiral groove 10, and injection molding is performed, and the sealing ring is to be poured into the main pipe 7 and to be sealed between the communicating pipes 3.
The injection molding communicating pipe 3 is provided with a communicating pipe outer nesting 15 and a heat insulation sleeve 16, the communicating pipe outer nesting 15 is matched with the hot runner upper template 1 in a clamping manner, and a plurality of heat insulation ring grooves 17 which are parallel to each other are arranged in the heat insulation sleeve 16.
In this embodiment, the connecting pipe outer sleeve 15 can be in clamping fit with the hot runner upper template 1 in the installation process, the alignment is accurate, the deflection is not easy to occur, the heat insulation ring groove 17 in the heat insulation sleeve 16 can reduce the heat to be directly transferred into the hot runner upper template 1, a good heat insulation effect is achieved, and the safety is good.
The detachable flow expansion pressurizing part 5 comprises a flow expansion pressurizing sleeve 18 arranged on the injection molding plate 2, the flow expansion pressurizing sleeve 18 is in butt fit with the pouring main body pipe 7, a flow expansion cavity 19 is arranged in the flow expansion pressurizing sleeve 18, and the flow expansion cavity 19 is in an inverted circular table shape.
In the embodiment, in the injection molding process, the molten material is injected through the flow expansion cavity 19 in the flow expansion pressurizing cylinder sleeve 18, the flow expansion cavity 19 is in an inverted frustum shape, the material port is enlarged, the flow expansion pressurizing effect is achieved, and the injection molding speed is improved.
Referring to fig. 1, a screwed connection fixing plate 20 is arranged on the flow expansion pressurizing cylinder sleeve 18, an alignment clamping plate 21 is arranged at the bottom of the screwed connection fixing plate 20, the alignment clamping plate 21 is in clamping fit with the injection molding plate 2, and the screwed connection fixing plate 20 is connected with the injection molding plate 2 through a plurality of fastening bolts.
In this embodiment, in the installation, to counterpoint cardboard 21 and the 2 looks joint cooperations of board of moulding plastics for spiro union fixed plate 20 and the 2 looks butt cooperations of board of moulding plastics carry out the spiro union through a plurality of fastening bolt and fix, make things convenient for the staff to carry out dismouting maintenance change, easy operation is convenient.
Referring to fig. 1 and 2, the runner opening adjusting portion 6 includes a runner opening adjusting plate 22 disposed in the hot runner upper mold plate 1, a material aligning hole 23 is disposed in the runner opening adjusting plate 22, and the material aligning hole 23 corresponds to the position of the injection molding channel 14.
In this embodiment, when the runner needs to be opened or closed, the runner opening adjusting plate 22 is moved, and the alignment material hole 23 and the injection molding channel 14 are communicated for alignment or dislocation, so that the operation is simple and convenient.
Referring to fig. 1, a linear driver 24 is arranged on the hot runner upper template 1, and a power shaft of the linear driver 24 is connected with the runner opening adjusting plate 22.
In this embodiment, when the flow channel opening adjustment plate 22 needs to be moved, the linear actuator 24 is started, and the power shaft of the linear actuator 24 drives the flow channel opening adjustment plate 22 to move, so that the degree of automation is high, and it should be understood by those skilled in the art that the linear actuator 24 may be an air cylinder, an oil cylinder, or a linear motor.
The working principle of the invention is as follows:
before the injection molding device is used, the upper hot runner template 1 is in butt fit with the injection molding plate 2, so that the main pouring body pipe 7 is in butt fit with the injection molding communicating pipe 3, in the injection molding process, molten materials are injected through the flow expansion cavity 19 in the flow expansion pressurizing cylinder sleeve 18, the flow expansion cavity 19 is in an inverted circular truncated cone shape, a material port is enlarged, the flow expansion pressurizing effect is achieved, the injection molding speed is improved, the materials are sent into the injection molding communicating pipe 3 through the material mixing spiral groove 10 in the material mixing connector 9, the material mixing spiral groove 10 adopts a spiral injection molding structure, the materials are fully mixed in the injection molding process, the temperature unevenness caused by the fact that the flow speeds of the side wall of a flow channel and the middle part of the flow channel are inconsistent is prevented, and the injection molding effect is good,
the material injection groove 12 is used for connecting the accumulated molten materials, so that the molten materials flow into the material mixing spiral groove 10 through the connecting holes 13, synchronous injection molding is carried out by adopting the connecting holes 13 and the material mixing spiral grooves 10, the injection molding speed is further accelerated, the molding cycle is shortened, the sealing ring is used for sealing between the main body pipe 7 and the injection molding communicating pipe 3,
the connecting pipe outer nesting sleeve 15 can be in clamping fit with the hot runner upper template 1 in the installation process, is accurate in alignment and not easy to deflect, the heat insulation ring groove 17 in the heat insulation sleeve 16 can reduce heat directly transferred into the hot runner upper template 1, achieves better heat insulation effect and better safety,
in the installation process, the alignment clamping plate 21 is clamped and matched with the injection molding plate 2, so that the screw joint fixing plate 20 is abutted and matched with the injection molding plate 2 and is fixed by screw joint through a plurality of fastening bolts, thus facilitating the disassembly, assembly, maintenance and replacement of workers, having simple and convenient operation,
when the runner needs to be opened and closed, the runner opening adjusting plate 22 is only required to be moved, and the alignment material hole 23 is communicated with the injection molding channel 14 for alignment or dislocation, so that the operation is simple and convenient,
when the runner opening adjusting plate 22 needs to be moved, the linear actuator 24 is activated, and the power shaft of the linear actuator 24 drives the runner opening adjusting plate 22 to move, which has a high degree of automation, and it should be understood by those skilled in the art that the linear actuator 24 may be an air cylinder, an oil cylinder, or a linear motor.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.
Although terms such as the upper hot runner template 1, the injection molding plate 2, the injection molding communicating tube 3, the spiral type mixing and pouring assembly 4, the detachable flow expansion pressurizing part 5, the flow channel opening adjusting part 6, the pouring main body tube 7, the spiral mixing connecting part 8, the mixing connecting head 9, the mixing spiral groove 10, the connecting head mounting cavity 11, the injection groove 12, the connecting hole 13, the injection molding channel 14, the outer communicating tube nesting 15, the heat insulation sleeve 16, the heat insulation ring groove 17, the flow expansion pressurizing sleeve 18, the flow expansion cavity 19, the bolt connection fixing plate 20, the alignment clamping plate 21, the flow channel opening adjusting plate 22, the alignment hole 23, the linear driver 24 and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. A spiral type mixing and pouring mechanism of a hot runner mold comprises a hot runner upper template (1) and is characterized in that an injection molding plate (2) is arranged at the top of the hot runner upper template (1), an injection communicating pipe (3) is arranged in the hot runner upper template (1), a spiral type mixing and pouring assembly (4) is arranged in the injection molding plate (2), the spiral type mixing and pouring assembly (4) extends into the hot runner upper template (1) and is in butt fit with the injection communicating pipe (3), a detachable flow expansion pressurizing part (5) is arranged on the injection molding plate (2), the detachable flow expansion pressurizing part (5) corresponds to the position of the spiral type mixing and pouring assembly (4), a flow channel opening adjusting part (6) capable of linearly reciprocating along the horizontal direction is further arranged in the hot runner upper template (1), the runner opening adjusting part (6) is positioned below the injection molding communicating pipe (3).
2. The spiral type mixing and pouring mechanism of the hot runner mold according to claim 1, wherein the spiral type mixing and pouring assembly (4) comprises a pouring main pipe (7) arranged in the injection molding plate (2), a spiral mixing connecting piece (8) is arranged at the bottom of the pouring main pipe (7), the pouring main pipe (7) is in butt fit with the injection molding communicating pipe (3), and the spiral mixing connecting piece (8) extends into the injection molding communicating pipe (3).
3. The spiral mixing pouring mechanism of the hot runner mold according to claim 2, wherein the spiral mixing connecting piece (8) comprises a mixing connecting head (9) arranged at the bottom of the pouring main pipe (7), the mixing connecting head (9) is provided with a plurality of mixing spiral grooves (10) distributed in an annular array mode along the central point of the mixing connecting head (9), the injection molding communicating pipe (3) is internally provided with a connecting head mounting cavity (11), and the mixing connecting head (9) is positioned in the connecting head mounting cavity (11).
4. The spiral type material mixing and pouring mechanism of the hot runner mold according to claim 3, wherein a material injection groove (12) is formed in the material mixing connector (9), a plurality of connecting holes (13) are formed in the bottom of the material injection groove (12), and the connecting holes (13) are communicated with the material mixing spiral groove (10).
5. The spiral type material mixing and pouring mechanism of the hot runner mold according to claim 4, characterized in that an injection molding channel (14) is arranged at the bottom of the connector installation cavity (11), the injection molding channel (14) corresponds to the position of the material mixing spiral groove (10), and a sealing ring is sleeved between the pouring main body pipe (7) and the injection molding communicating pipe (3).
6. The spiral type material mixing and pouring mechanism of the hot runner mold according to claim 5, characterized in that a communicating pipe outer nesting sleeve (15) and a heat insulation sleeve (16) are arranged on the injection molding communicating pipe (3), the communicating pipe outer nesting sleeve (15) is in clamping fit with the hot runner upper mold plate (1), and a plurality of heat insulation ring grooves (17) which are parallel to each other are arranged in the heat insulation sleeve (16).
7. The spiral type material mixing and pouring mechanism of the hot runner mold as claimed in claim 6, wherein the detachable flow expansion pressurizing part (5) comprises a flow expansion pressurizing cylinder sleeve (18) arranged on the injection molding plate (2), the flow expansion pressurizing cylinder sleeve (18) is in butt fit with the pouring main body pipe (7), a flow expansion cavity (19) is arranged in the flow expansion pressurizing cylinder sleeve (18), and the flow expansion cavity (19) is in an inverted frustum shape.
8. The spiral mixing and pouring mechanism of the hot runner mold according to claim 7, wherein the flow expansion pressurizing cylinder sleeve (18) is provided with a screw joint fixing plate (20), the bottom of the screw joint fixing plate (20) is provided with an alignment clamping plate (21), the alignment clamping plate (21) is in clamping fit with the injection molding plate (2), and the screw joint fixing plate (20) is connected with the injection molding plate (2) through a plurality of fastening bolts.
9. The spiral mixing and pouring mechanism of the hot runner mold according to claim 8, wherein the flow channel opening adjusting part (6) comprises a flow channel opening adjusting plate (22) arranged in the hot runner upper mold plate (1), a material aligning hole (23) is arranged in the flow channel opening adjusting plate (22), and the material aligning hole (23) corresponds to the position of the injection molding channel (14).
10. The spiral type mixing and pouring mechanism of the hot runner mold according to claim 9, characterized in that a linear driver (24) is arranged on the hot runner upper mold plate (1), and a power shaft of the linear driver (24) is connected with the runner opening adjusting plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454641.9A CN114953361A (en) | 2022-04-24 | 2022-04-24 | Spiral type mixing and pouring mechanism of hot runner mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454641.9A CN114953361A (en) | 2022-04-24 | 2022-04-24 | Spiral type mixing and pouring mechanism of hot runner mold |
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| CN114953361A true CN114953361A (en) | 2022-08-30 |
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| CN202210454641.9A Pending CN114953361A (en) | 2022-04-24 | 2022-04-24 | Spiral type mixing and pouring mechanism of hot runner mold |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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