CN118238356B - Flow control device for instrument panel mold runner - Google Patents
Flow control device for instrument panel mold runner Download PDFInfo
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- CN118238356B CN118238356B CN202410649366.5A CN202410649366A CN118238356B CN 118238356 B CN118238356 B CN 118238356B CN 202410649366 A CN202410649366 A CN 202410649366A CN 118238356 B CN118238356 B CN 118238356B
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- cavity
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- 239000007788 liquid Substances 0.000 claims abstract description 125
- 238000000465 moulding Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 18
- 239000007924 injection Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 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
-
- 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
-
- 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
- B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3008—Instrument panels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molds, in particular to a flow control device for a flow passage of an instrument panel mold, which comprises: the upper die is internally provided with at least one liquid outlet cavity, a first flow channel is formed in one side of the liquid outlet cavity, a second flow channel is formed in the other side of the liquid outlet cavity, a liquid inlet is formed in the top of the upper die, the liquid inlet is communicated with the first flow channel and the second flow channel, and a forming plate is fixed at the bottom of the upper die; according to the invention, the second through hole is upwards moved to be communicated with the first flow channel, the first through hole is in a closed state, the first liquid outlet hole at the bottom of the liquid outlet pipe protrudes out of the bottom of the forming plate, liquid in the second flow channel can enter the liquid outlet pipe through the second through hole and is discharged to the surface of an injection mold to be formed or formed through the first liquid outlet hole at the bottom of the liquid outlet pipe, the fusion effect is improved by utilizing the residual temperature of the injection mold, or the injection mold is directly integrally formed with molten injection liquid, and the forming efficiency or bonding compactness is improved.
Description
Technical Field
The invention relates to the field of injection molds, in particular to a flow control device for a flow passage of an instrument panel mold.
Background
Along with the improvement of household economy, huge automobile demand is required to increase productivity and improve efficiency of automobile manufacturers, and the automobile manufacturers are required to supply automobile parts timely, most parts in the automobile are required to be subjected to injection molding technology, and the injection mold is optimized to improve the part productivity.
At chinese patent application 202310646446.0, disclosed a panel board mould runner flow control device, including runner and core section of thick bamboo, the runner is used for transmitting the liquid of moulding plastics, and core section of thick bamboo wears to establish on the runner, is provided with discharge gate and the feed inlet that are used for receiving the liquid of moulding plastics on the core section of thick bamboo, forms a regulation and control passageway between feed inlet and the discharge gate, and core section of thick bamboo is inside still to be provided with the regulation and control subassembly that is used for controlling the flow of the liquid of moulding plastics of regulation and control passageway, and regulation subassembly is provided with two at least and arranges in proper order inside core section of thick bamboo, regulation subassembly and core section of thick bamboo sliding connection, and both ends all are provided with the infusion passageway about being located the regulation and control passageway on the core section of thick bamboo. According to the technical scheme, the shape of the core barrel is changed, the left end and the right end of the regulating and controlling channel on the core barrel are respectively provided with an infusion channel, so that the two regulating components are sequentially communicated with the regulating and controlling channel and the infusion channel, the two regulating components are sequentially regulated, and the cleaning process of the regulating components during working is guaranteed.
In the injection molding process, a protective layer or a heat insulation protective layer is added to the surface of an injection mold, spraying or other hot melting processing is needed again, and the protective layer is difficult to be added directly in an integrated manner when injection molding is to be performed, so that the processing time is prolonged, the processing efficiency is reduced, and therefore, the flow control device for the flow channel of the instrument panel mold is designed to solve the problems.
Disclosure of Invention
The invention aims to provide a flow control device for a flow passage of an instrument panel die.
In order to solve the technical problem, the present invention provides a flow control device for a runner of an instrument panel mold, comprising:
the upper die is characterized in that at least one liquid outlet cavity is formed in the upper die, a first flow channel is formed in one side of the liquid outlet cavity, a second flow channel is formed in the other side of the liquid outlet cavity, a liquid inlet hole is formed in the top of the upper die, the liquid inlet hole is communicated with the first flow channel and the second flow channel, a forming plate is fixed at the bottom of the upper die, a plurality of third flow channels are formed in the forming plate, one end of each third flow channel is communicated with the liquid outlet cavity, a first liquid outlet hole is formed in the other end of each third flow channel, a guide rod is fixed at the top of the liquid outlet cavity, a first spring is sleeved on the surface of each guide rod, and a first disc is fixed on the surface of each guide rod;
The liquid outlet pipe is arranged in the liquid outlet cavity, the top of the liquid outlet pipe is inserted into the guide rod and fixedly connected with the bottom of the first spring, the first disc is positioned in the liquid outlet pipe, a first through hole is formed in one side of the liquid outlet pipe, a second through hole is formed in the other side of the liquid outlet pipe, two ends of the liquid outlet pipe are closed, and a plurality of second liquid outlet holes are formed in the bottom of the liquid outlet pipe;
The lower die is provided with a forming cavity at the top, a plurality of forming tables are arranged in the forming cavity, and the forming tables at the bottom of the liquid outlet pipe are higher than the forming tables at the two sides of the liquid outlet pipe;
and the demolding part is positioned in the lower mold and is used for jacking the molded mold from the molding cavity.
Further, the first through hole is higher than the second through hole, wherein when the first through hole on the liquid outlet pipe moves upwards to be communicated with the first flow channel, the second liquid outlet hole is communicated with the third flow channel, liquid in the first flow channel enters the third flow channel through the first through hole, and when the second through hole on the liquid outlet pipe moves upwards to be communicated with the first flow channel, the second liquid outlet hole at the bottom of the liquid outlet pipe protrudes out of the bottom of the forming plate.
Further, a plurality of inserted bars are fixed at the bottom of the upper die, a hydraulic cylinder is fixed at the bottom of the inserted bars, a first piston plate is fixed at the bottom of the hydraulic cylinder, and a first communication hole and a second communication hole are formed in the inserted bars.
Further, a plurality of jacks are formed in the bottom of the lower die, and the inserting rod can be inserted into the jacks.
Further, the demoulding part comprises an oil cavity and a demoulding rod, a rod hole is formed in the lower die, the demoulding rod is installed in the rod hole, one end of the oil cavity is connected with the jack, and the other end of the oil cavity is communicated with the demoulding rod.
Further, the top of drawing of patterns pole is fixed with the tray, the round hole has been seted up at the top of shaping platform, the tray diameter is greater than the drawing of patterns pole diameter, the round hole with pole hole intercommunication, the bottom of drawing of patterns pole is fixed with the connecting rod, the connecting rod diameter is less than the drawing of patterns pole diameter, the bottom of connecting rod is fixed with the second piston board.
Further, the limiting hole is formed in the inner side wall of the rod hole, the limiting plate is fixed on the demolding rod and can move up and down along the limiting hole, a second spring is mounted at the bottom of the rod hole, the second piston plate is located above the second spring, and when the demolding rod compresses the second spring downwards, the tray can move into the round hole.
Further, a third piston plate is installed in the jack, and the third piston plate can press oil in the oil cavity into the jack.
Further, a second disc is installed at the bottom of the guide rod, and a third communication hole is formed in the second disc.
Further, the periphery side cover of molding cavity is equipped with the cooling tube, the one end of cooling tube is connected with the feed liquor pipe, the other end of cooling tube is connected with the fluid-discharge tube, feed liquor pipe level is higher than the fluid-discharge tube, wherein when the inserted bar inserts completely behind the jack, first communication hole with the feed liquor pipe intercommunication, the drain pipe with the second communication hole intercommunication.
The invention has the advantages that,
1. Through with the second through-hole on the drain pipe upwards move to with when the first flow channel communicates, first through-hole is in the confined state this moment, the first drain hole of drain pipe bottom outstanding in shaping board bottom, liquid accessible second through-hole in the second flow channel this moment enters into the drain pipe in to discharge to the injection mold surface that will take shape or have been formed through the first drain hole of drain pipe bottom, utilize injection mold's residual temperature to improve the effect of fusion, perhaps directly with molten injection molding liquid integrated into one piece, improve shaping molding efficiency or bonding's compactness.
2. Through inserting the inserted bar in the jack, first piston board compression third piston board downwardly moving when the inserted bar moves down, with the fluid of third piston board bottom from the fluid chamber impress in the pole hole to fluid chamber and pole hole intercommunication department are located the position of connecting rod, and the fluid pushes down second piston board this moment, and the second piston board compression second spring of messenger, drawing of patterns pole whole decline simultaneously, drawing of patterns pole top tray moves down to in the round hole, when need carry out the drawing of patterns after injection mold shaping, the inserted bar is taken out, and the second spring resets and upwards moves the drawing of patterns pole again this moment, jack-up top mould, convenient follow-up drawing of patterns.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a front view of the upper mold and the lower mold of the present invention in a conforming injection molding process;
FIG. 4 is a front elevational view of the present invention with a partial elevation of the upper mold part;
FIG. 5 is a perspective view of a liquid outlet tube of the present invention;
FIG. 6 is a schematic view of a partially enlarged structure of FIG. 2A in accordance with the present invention;
fig. 7 is a schematic view of a partially enlarged structure at B in fig. 2 according to the present invention.
In the figure:
1. An upper die; 11. a liquid outlet cavity; 12. a first flow passage; 13. a second flow passage; 14. a liquid inlet hole; 15. forming a plate; 16. a third flow passage; 17. a first liquid outlet hole; 18. a guide rod; 19. a second liquid outlet hole; 110. a first spring; 111. a first disc; 112. a rod; 113. a hydraulic cylinder; 114. a first piston plate; 115. a first communication hole; 116. a second communication hole; 117. a second disc; 118. a third communication hole;
2. A liquid outlet pipe; 21. a first through hole; 22. a second through hole;
3. A lower die; 31. a molding cavity; 32. a jack; 33. a third piston plate;
4. a demolding part; 41. an oil cavity; 42. a stripper rod; 43. a rod hole; 44. a tray; 45. a round hole; 46. a connecting rod; 47. a second piston plate; 48. a limiting hole; 49. a limiting plate; 410. a second spring;
5. A cooling tube; 51. a liquid inlet pipe; 52. and a liquid discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 7, a flow control device for a flow channel of an instrument panel mold according to the present invention includes: the upper die 1, the inside of upper die 1 is provided with at least one liquid cavity 11, first runner 12 has been seted up to liquid cavity 11 one side, second runner 13 has been seted up to liquid cavity 11 opposite side, upper die 1 top is provided with feed liquor hole 14, feed liquor hole 14 with first runner 12 with second runner 13 intercommunication, upper die 1 bottom is fixed with shaping board 15, a plurality of third runners 16 have been seted up to shaping board 15 inside, third runner 16 one end with liquid cavity 11 intercommunication, the third runner 16 other end is provided with first drain hole 17, liquid cavity 11 inside top is fixed with guide bar 18, guide bar 18 surface cover is equipped with first spring 110, guide bar 18 surface is fixed with first disc 111, drain pipe 2 is installed in liquid cavity 11, just drain pipe 2 top insert guide bar 18 and with first spring 110 bottom fixed connection, first disc 111 is located drain pipe 2, first through-hole 21 has been seted up to the other side, two drain pipe 2 bottom two drain holes 22 have been seted up to the drain pipe 2.
The first runner 12 and the second runner 13 are obliquely arranged and are triangular, liquid can flow into the first runner 12 and the second runner through the liquid inlet holes 14 respectively, the second runner 13 can be used for filling injection molds, the first runner 12 can be used for filling molding liquids of different types, the bottom part of the molding plate 15 at the bottom of the upper mold 1 can be inserted into the molding cavity 31 for sealing the molding cavity 31, the bottom part of the liquid outlet cavity 11 extends into the molding plate 15, the bottom part of the liquid outlet pipe 2 at the initial position is positioned outside the molding plate 15 and can move up and down along the molding cavity 31 when injection molding is carried out, when the first through hole 21 on the liquid outlet pipe 2 moves upwards to be communicated with the first runner 12, the second through hole 22 is in a closed state at this time, the first liquid outlet hole 17 is communicated with the third runner 16, liquid in the first runner 12 enters the third runner 16 through the first through hole 21, the third runner 16 is in an L shape and is arranged in a mirror image, liquid outlet is carried out through the first liquid outlet hole 17 at the end part of the third runner 16, and the first liquid outlet hole 17 is aligned with a gap between adjacent injection molding stages can be achieved.
The liquid in the second flow channel 13 is another molding liquid, which can be used for coating the surface of a molding die or directly molding the surface of the molding die, when the second through hole 22 on the liquid outlet pipe 2 moves upwards to be communicated with the first flow channel 12, the first through hole 21 is in a closed state, the first liquid outlet hole 17 at the bottom of the liquid outlet pipe 2 protrudes out of the bottom of the molding plate 15, at the moment, the liquid in the second flow channel 13 can enter the liquid outlet pipe 2 through the second through hole 22 and is discharged to the surface of the injection die to be molded or already molded through the first liquid outlet hole 17 at the bottom of the liquid outlet pipe 2, the residual temperature of the injection die is utilized to improve the fusion effect, or the molding efficiency or the bonding compactness is improved by directly integrating the second through hole 22 with the molten injection liquid, and meanwhile, the liquid in the second flow channel 13 can be utilized to extrude and discharge the residual injection liquid in the liquid outlet pipe 2 to the outside of the liquid outlet pipe 2.
The bottom of the upper die 1 is fixed with a plurality of inserted bars 112, the bottom of the inserted bars 112 is fixed with a hydraulic cylinder 113, the bottom of the hydraulic cylinder 113 is fixed with a first piston plate 114, the inserted bars 112 are provided with a first communication hole 115 and a second communication hole 116, the bottom of the lower die 3 is provided with a plurality of jacks 32, and the inserted bars 112 can be inserted into the jacks 32.
The inserted link 112 is inserted into the insertion hole 32 to make the upper and lower molds 3 fit with each other quickly, and at the same time, the length of the inserted link 112 can be extended by fixing the first hydraulic cylinder 113 at the bottom of the inserted link 112 and extending the first hydraulic cylinder 113.
The bottom of the guide rod 18 is provided with a first disc 111, the second disc 117 is provided with a third communication hole 118, and when the liquid outlet pipe 2 moves up and down, the inner wall of the liquid outlet pipe 2 can be rubbed by the first disc 111, so that the inner wall is prevented from adhering with injection molding liquid.
The demolding part 4 comprises an oil cavity 41 and a demolding rod 42, the demolding part 4 can be replaced by directly demolding through a hydraulic cylinder 113, the hydraulic cylinder 113 is fixed at the bottom in a rod hole 43, the top is fixed at the demolding rod 42, the demolding rod 42 is pushed by the hydraulic cylinder 113 to move up and down to jack up a mold, the rod hole 43 is formed in the lower mold 3, the demolding rod 42 is installed in the rod hole 43, one end of the oil cavity is connected with the jack 32, the other end of the oil cavity is communicated with the demolding rod 42, a pulling disc 44 is fixed at the top of the demolding rod 42, a round hole 45 is formed in the top of the molding table, the diameter of the pulling disc 44 is larger than the diameter of the demolding rod 42, the round hole 45 is communicated with the rod hole 43, a connecting rod 46 is fixed at the bottom of the demolding rod 42, a second piston plate 47 is fixed at the bottom of the connecting rod 46, a limiting plate 49 is arranged on the inner side wall of the rod hole 43, a piston rod 42 is fixed with a limiting plate 49, the limiting plate 49 can be pressed into the piston hole 33 along the second piston plate 48, and the piston plate 410 can be pressed into the piston hole 33 by the piston hole 410, and the piston plate 410 can be compressed into the piston hole 33.
During demolding, by inserting the insert rod 112 into the jack 32, when the insert rod 112 moves downwards, the first piston plate 114 compresses and compresses the third piston plate 33 to move downwards, oil at the bottom of the third piston plate 33 is pressed into the rod hole 43 from the oil cavity 41, the position where the oil cavity 41 is communicated with the rod hole 43 is located at the position of the connecting rod 46, at the moment, the oil presses down the second piston plate 47, the second piston plate 47 compresses the second spring 410, meanwhile, the entire demolding rod 42 descends, the top tray of the demolding rod 42 moves downwards into the round hole 45, when demolding is needed after the injection mold is molded, the insert rod 112 is pulled out, at the moment, the second spring 410 resets to move the demolding rod 42 upwards again, and the top mold is jacked up, so that subsequent demolding is facilitated.
When the mold surface needs to be integrally molded again, the upper mold 1 is partially and upwardly lifted, the bottom of the liquid outlet pipe 2 is attached to the molding table, and different types of molding liquids are poured onto the mold surface to be molded, and at the moment, the insert rod 112 is correspondingly lifted, the third piston plate 33 is compressed by the air cylinder hydraulic cylinder 113, so that the tray at the top of the demolding rod 42 is still positioned in the round hole 45, and the demolding rod 42 lifts the mold to be molded.
The outer circumference side cover of shaping chamber 31 is equipped with cooling tube 5, the one end of cooling tube 5 is connected with feed liquor pipe 51, the other end of cooling tube 5 is connected with fluid-discharge tube 52, feed liquor pipe 51 level is higher than fluid-discharge tube 52, wherein when inserted bar 112 inserts completely behind the jack 32, first communication hole 115 with feed liquor pipe 51 intercommunication, drain pipe 2 with second intercommunicating pore 116 intercommunication.
The injection mold in the molding cavity 31 is cooled through the cooling pipe 5, the cooling liquid is introduced from the liquid inlet pipe 51 and is discharged through the second cooling pipe 5, the inserted rod 112 is inserted into the insertion hole 32 during injection molding, the first communication hole 115 on the inserted rod 112 is communicated with the liquid inlet pipe 51 at this time, the liquid outlet pipe 2 is communicated with the second communication hole 116, the liquid inlet pipe 51 and the liquid outlet pipe 2 are in a communication state at this time, when injection molding is completed by the injection molding liquid, the cooling liquid is introduced into the liquid inlet pipe 51 and is discharged from the liquid outlet pipe 2, when the injection molding liquid needs to be added to the surface of the mold to be molded again, the inserted rod 112 moves upwards, at this time, the first communication hole 115 is not communicated with the liquid inlet pipe 51 any more, the liquid outlet pipe 2 is not communicated with the second communication hole 116 any more, the cooling pipe 5 cannot be continuously introduced with the cooling liquid, and the continuous cooling is prevented from being capable of bonding the re-introduced molding liquid and the mold to be fused.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. An instrument panel mold runner flow control device, comprising:
The novel plastic injection molding machine comprises an upper die (1), wherein at least one liquid outlet cavity (11) is formed in the upper die (1), a first flow channel (12) is formed in one side of the liquid outlet cavity (11), a second flow channel (13) is formed in the other side of the liquid outlet cavity (11), a liquid inlet hole (14) is formed in the top of the upper die (1), the liquid inlet hole (14) is communicated with the first flow channel (12) and the second flow channel (13), a forming plate (15) is fixed to the bottom of the upper die (1), a plurality of third flow channels (16) are formed in the forming plate (15), one end of each third flow channel (16) is communicated with the liquid outlet cavity (11), a first liquid outlet hole (17) is formed in the other end of each third flow channel (16), a guide rod (18) is fixed to the inner top of the liquid outlet cavity (11), a first spring (110) is sleeved on the surface of the guide rod (18), and a first disc (111) is fixed to the surface of the guide rod (18).
The liquid outlet pipe (2), the liquid outlet pipe (2) is installed in the liquid outlet cavity (11), and the top of the liquid outlet pipe (2) is inserted into the guide rod (18) and fixedly connected with the bottom of the first spring (110), the first disc (111) is positioned in the liquid outlet pipe (2), a first through hole (21) is formed in one side of the liquid outlet pipe (2), a second through hole (22) is formed in the other side of the liquid outlet pipe (2), two ends of the liquid outlet pipe (2) are closed, and a plurality of second liquid outlet holes (19) are formed in the bottom of the liquid outlet pipe (2);
The liquid outlet pipe comprises a lower die (3), wherein a forming cavity (31) is formed in the top of the lower die (3), a plurality of forming tables are arranged in the forming cavity (31), and the forming tables at the bottom of the liquid outlet pipe (2) are higher than the forming tables at two sides of the liquid outlet pipe;
The demolding part (4) is positioned in the lower mold (3) and is used for jacking the molded mold from the molding cavity (31);
The first through hole (21) is higher than the second through hole (22), wherein when the first through hole (21) on the liquid outlet pipe (2) moves upwards to be communicated with the first runner (12), the second liquid outlet hole (19) is communicated with the third runner (16), liquid in the first runner (12) enters the third runner (16) through the first through hole (21), and when the second through hole (22) on the liquid outlet pipe (2) moves upwards to be communicated with the first runner (12), the second liquid outlet hole (19) at the bottom of the liquid outlet pipe (2) protrudes out of the bottom of the forming plate (15);
a second disc (117) is arranged at the bottom of the guide rod (18), and a third communication hole (118) is formed in the second disc (117).
2. A meter panel mold runner flow control device as described in claim 1, wherein,
The bottom of last mould (1) is fixed with a plurality of inserted bars (112), inserted bar (112) bottom is fixed with pneumatic cylinder (113), the bottom of pneumatic cylinder (113) is fixed with first piston board (114), first communication hole (115) and second communication hole (116) have been seted up on inserted bar (112).
3. A meter panel mold runner flow control device as described in claim 2, wherein,
A plurality of jacks (32) are formed in the bottom of the lower die (3), and the inserting rods (112) can be inserted into the jacks (32).
4. A meter panel mold runner flow control device as described in claim 3, wherein,
The demolding part (4) comprises an oil cavity (41) and a demolding rod (42), a rod hole (43) is formed in the lower mold (3), the demolding rod (42) is installed in the rod hole (43), one end of the oil cavity is connected with the jack (32), and the other end of the oil cavity is communicated with the demolding rod (42).
5. A meter panel mold runner flow control device as described in claim 4, wherein,
The top of drawing of patterns pole (42) is fixed with tray (44), round hole (45) have been seted up at the top of shaping platform, tray (44) diameter is greater than drawing of patterns pole (42) diameter, round hole (45) with pole hole (43) intercommunication, the bottom of drawing of patterns pole (42) is fixed with connecting rod (46), connecting rod (46) diameter is less than drawing of patterns pole (42) diameter, the bottom of connecting rod (46) is fixed with second piston plate (47).
6. A meter panel mold runner flow control device as described in claim 5, wherein,
Limiting holes (48) are formed in the inner side walls of the rod holes (43), limiting plates (49) are fixed on the demolding rods (42), the limiting plates (49) can move up and down along the limiting holes (48), second springs (410) are mounted at the bottoms of the rod holes (43), second piston plates (47) are located above the second springs (410), and when the demolding rods (42) compress the second springs (410) downwards, the pulling plates (44) can move into the round holes (45).
7. A meter panel mold runner flow control device as described in claim 6, wherein,
A third piston plate (33) is arranged in the jack (32), and the third piston plate (33) can press the oil in the oil cavity into the jack (32).
8. A meter panel mold runner flow control device as described in claim 7, wherein,
The periphery side cover of shaping chamber (31) is equipped with cooling tube (5), the one end of cooling tube (5) is connected with feed liquor pipe (51), the other end of cooling tube (5) is connected with fluid-discharge tube (52), feed liquor pipe (51) level is higher than fluid-discharge tube (52), wherein work as inserted bar (112) inserts completely behind jack (32), first communication hole (115) with feed liquor pipe (51) intercommunication, drain pipe (2) with second intercommunicating pore (116) intercommunication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410649366.5A CN118238356B (en) | 2024-05-24 | 2024-05-24 | Flow control device for instrument panel mold runner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410649366.5A CN118238356B (en) | 2024-05-24 | 2024-05-24 | Flow control device for instrument panel mold runner |
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| CN118238356A CN118238356A (en) | 2024-06-25 |
| CN118238356B true CN118238356B (en) | 2024-08-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212666582U (en) * | 2020-07-09 | 2021-03-09 | 沛鸿电子(深圳)有限公司 | Novel double-material injection mold |
| CN217395564U (en) * | 2022-01-24 | 2022-09-09 | 苏州硕源兴精密科技有限公司 | Mould is used in key cap production of mechanical keyboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215512125U (en) * | 2021-07-15 | 2022-01-14 | 太仓求精塑模有限公司 | Motormeter dish injection mold's demoulding mechanism convenient to drawing of patterns |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212666582U (en) * | 2020-07-09 | 2021-03-09 | 沛鸿电子(深圳)有限公司 | Novel double-material injection mold |
| CN217395564U (en) * | 2022-01-24 | 2022-09-09 | 苏州硕源兴精密科技有限公司 | Mould is used in key cap production of mechanical keyboard |
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