CN113878798A - Injection molding process method and device for plastic part - Google Patents
Injection molding process method and device for plastic part Download PDFInfo
- Publication number
- CN113878798A CN113878798A CN202111084186.XA CN202111084186A CN113878798A CN 113878798 A CN113878798 A CN 113878798A CN 202111084186 A CN202111084186 A CN 202111084186A CN 113878798 A CN113878798 A CN 113878798A
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- injection
- lining
- upper mold
- injection molding
- lower mold
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 47
- 239000004033 plastic Substances 0.000 title claims abstract description 40
- 229920003023 plastic Polymers 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 95
- 239000007924 injection Substances 0.000 claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000005057 refrigeration Methods 0.000 claims description 22
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C45/162—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/7331—Heat transfer elements, e.g. heat pipes
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76254—Mould
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76297—Fluids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an injection molding process method and device for a plastic part, wherein the injection molding device for the plastic part comprises a base, a support is arranged on the top side of the base, and a top plate is arranged on the top side of the support; the plastic part is characterized in that an injection lower mold and a lining lower mold are fixedly installed on the top side of the base, an injection upper mold and a lining upper mold are slidably installed below the top plate, the injection upper mold is matched with the injection lower mold, the lining lower mold is matched with the lining upper mold, the lining lower mold and the lining upper mold are used for manufacturing a lining plate, and the lining plate is arranged inside the plastic part. According to the invention, the inner lining plate matched with the plastic part is injected in advance, and then the inner lining plate is placed into the injection mold to be injected and molded with the injection part, so that the inner lining plate is embedded into the injection part, and the toughness of the injection part is greatly enhanced.
Description
Technical Field
The invention belongs to the technical field of injection molding processes, and particularly relates to an injection molding process method and device for a plastic part.
Background
The plastic part refers to various injection products produced by an injection molding machine, which are collectively called injection molding parts and comprise various packages, parts and the like. Is mainly prepared from polyethylene or polypropylene and various organic solvents.
At present, a plurality of plastic parts are used in the automobile industry and are used for automobile products. The toughness of the plastic part manufactured by the existing injection molding process is poor, and the plastic part is broken when receiving a large bending force, so that the quality of the plastic part is poor.
Therefore, there is a need to provide a new injection molding process and apparatus for plastic parts to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a method and an apparatus for injection molding plastic parts.
The invention realizes the purpose through the following technical scheme:
an injection molding device for plastic parts comprises a base, wherein a support is installed on the top side of the base, and a top plate is arranged on the top side of the support;
the plastic part is characterized in that an injection lower mold and a lining lower mold are fixedly installed on the top side of the base, an injection upper mold and a lining upper mold are slidably installed below the top plate, the injection upper mold is matched with the injection lower mold, the lining lower mold is matched with the lining upper mold, the lining lower mold and the lining upper mold are used for manufacturing a lining plate, and the lining plate is arranged inside the plastic part.
As a further optimization scheme of the invention, the injection upper mold and the lining upper mold are connected with the top plate through lifting devices.
As a further optimized scheme of the invention, the lifting device comprises an automatic winding device and two fixed pulleys symmetrically arranged based on the automatic winding device, the automatic winding device and the fixed pulleys are both fixedly installed on the bottom side of the top plate, two pull ropes are respectively and fixedly connected to the top side and the bottom side of the automatic winding device, and the two pull ropes respectively bypass the two fixed pulleys.
As a further optimization scheme of the invention, an injection lower mold core is arranged on the injection lower mold, an injection molding groove is formed on the injection lower mold core, a water bath cavity is formed on the injection lower mold, the bottom side of the injection lower mold core extends into the water bath cavity, and a heating resistor and a temperature sensor are arranged in the water bath cavity; the water bath intracavity is provided with inlet tube and drain pipe, the inlet tube with the drain pipe all extends to outside the water bath intracavity, the inlet tube with be provided with first solenoid valve and second solenoid valve on the drain pipe respectively.
As a further optimization scheme of the invention, an injection upper mold core is arranged on the injection upper mold, the injection upper mold core is matched with the injection lower mold core, a first material injection pipe is arranged on the injection upper mold, a heat dissipation channel is arranged on the injection upper mold, the top side of the injection upper mold core extends into the heat dissipation channel, an electric heater is arranged in the heat dissipation channel, the electric heater is contacted with the injection upper mold core, and a temperature detector is arranged on the injection upper mold core; a first fan is installed in the heat dissipation channel.
As a further optimization scheme of the invention, a lining lower mold core is arranged on the lining lower mold, a lining forming groove is formed in the lining lower mold core, and a plurality of lower cylindrical grooves and cylindrical protrusions are formed in the bottom side of the lining forming groove; the lining lower die is provided with a lower vent hole, the bottom side of the lining lower die core extends into the lower vent hole, a first semiconductor refrigeration piece and a second fan are installed in the lower vent hole, and the refrigeration end of the first semiconductor refrigeration piece is attached to the lining lower die.
As a further optimization scheme of the invention, an inner liner upper mold core and a second material injection pipe are arranged on the inner liner upper mold, a plurality of upper cylindrical grooves are formed on the inner liner upper mold core, an upper vent hole is formed on the inner liner upper mold, a second semiconductor refrigeration piece and a third fan are installed in the upper vent hole, and a refrigeration end of the second semiconductor refrigeration piece is attached to the inner liner upper mold core.
An injection molding process method for plastic parts comprises the following steps:
pouring the lining plate through the lining upper die and the lining lower die;
placing the inner lining plate into the injection molding lower die core;
and matching the injection upper mold with the injection lower mold and then performing injection molding.
As a further optimized solution of the present invention, the top side and the bottom side of the inner lining plate are provided with a plurality of pillars, and the pillars are formed by injection molding of the lower cylindrical groove and the upper cylindrical groove.
As a further optimization scheme of the invention, a plurality of through holes are formed in the inner lining plate, and the through holes are formed by injection molding of the columnar protrusions.
The invention has the beneficial effects that:
according to the invention, the inner lining plate matched with the plastic part is injected in advance, and then the inner lining plate is placed into the injection mold to be injected and molded with the injection part, so that the inner lining plate is embedded into the injection part, and the toughness of the injection part is greatly enhanced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the injection lower mold of the present invention;
FIG. 3 is a schematic structural view of the injection upper mold of the present invention;
FIG. 4 is a schematic structural view of the lined lower mold of the present invention;
FIG. 5 is a schematic view of the structure of the mold on the liner of the present invention;
FIG. 6 is a schematic view of the construction of the lining plate of the present invention;
fig. 7 is a top view of the inner liner of the present invention.
In the figure: 1. a base; 2. a support; 3. a top plate;
4. injection molding a lower mold; 41. injection molding the lower mold core; 42. injection molding the groove; 43. a water bath cavity; 44. injection molding the lower mold core; 45. a temperature sensor; 46. a water inlet pipe; 47. a first solenoid valve; 48. a drain pipe; 49. a second solenoid valve;
5. injection molding an upper mold; 51. injection molding an upper mold core; 52. a heat dissipation channel; 53. a first material injection pipe; 54. an electric heater; 55. a temperature detector; 56. a first fan;
6. a lining lower die; 61. lining a lower mold core; 62. a liner forming groove; 63. a lower cylindrical groove; 64. a columnar bulge; 65. a lower vent hole; 66. a first semiconductor refrigeration chip; 67. a second fan;
7. lining upper mould; 71. lining upper mold core; 72. an upper cylindrical groove; 73. a second material injection pipe; 74. an upper vent; 75. a second semiconductor refrigeration chip; 76. a third fan;
8. a lifting device; 81. an automatic winding device; 82. a fixed pulley; 83. pulling a rope;
9. an inner liner plate; 91. a pillar; 92. (ii) a 93. A through hole;
10. limiting telescopic rods.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 7, an injection molding device for plastic parts comprises a base 1, wherein a bracket 2 is installed on the top side of the base 1, and a top plate 3 is arranged on the top side of the bracket 2;
an injection lower mold 4 and a lining lower mold 6 are fixedly installed on the top side of the base 1, an injection upper mold 5 and a lining upper mold 7 are connected to the lower portion of the top plate 3 through a lifting device 8, the lifting device 8 comprises an automatic winding device 81 and two fixed pulleys 82 symmetrically arranged based on the automatic winding device 81, the automatic winding device 81 and the fixed pulleys 82 are both fixedly installed on the bottom side of the top plate 3, two pull ropes 83 are respectively and fixedly connected to the top side and the bottom side of the automatic winding device 81, and the two pull ropes 83 respectively pass around the two fixed pulleys 82;
the top sides of the injection upper mold 5 and the lining upper mold 7 are both provided with a limiting telescopic rod 10, the top end of the limiting telescopic rod 10 is fixedly connected with the top plate 3, and the limiting telescopic rod 10 is used for limiting the injection upper mold 5 and the lining upper mold 7 and only allowing the injection upper mold 5 and the lining upper mold 7 to move up and down so as to be convenient for positioning;
the upper injection mold 5 is matched with the lower injection mold 4, the lower lining mold 6 is matched with the upper lining mold 7, the lower lining mold 6 and the upper lining mold 7 are used for manufacturing a lining plate 9, and the lining plate 9 is arranged inside the plastic part.
An injection lower mold core 41 is arranged on the injection lower mold 4, an injection molding groove 42 is formed in the injection lower mold core 41, a water bath cavity 43 is formed in the injection lower mold 4, the bottom side of the injection lower mold core 41 extends into the water bath cavity 43, and a heating resistor 44 and a temperature sensor 45 are arranged in the water bath cavity 43; a water inlet pipe 46 and a water outlet pipe 48 are arranged in the water bath cavity 43, the water inlet pipe 46 and the water outlet pipe 48 both extend out of the water bath cavity 43, and a first electromagnetic valve 47 and a second electromagnetic valve 49 are respectively arranged on the water inlet pipe 46 and the water outlet pipe 48.
An injection upper mold core 51 is arranged on the injection upper mold 5, the injection upper mold core 51 is matched with the injection lower mold core 41, a first injection pipe 53 is arranged on the injection upper mold 5, a heat dissipation channel 52 is arranged on the injection upper mold 5, the top side of the injection upper mold core 51 extends into the heat dissipation channel 52, an electric heater 54 is arranged in the heat dissipation channel 52, the electric heater 54 is in contact with the injection upper mold core 51, and a temperature detector 55 is arranged on the injection upper mold core 51; a first fan 56 is installed in the heat dissipation channel 52.
The lining lower die 6 is provided with a lining lower die core 61, the lining lower die core 61 is provided with a lining forming groove 62, and the bottom side of the lining forming groove 62 is provided with a plurality of lower cylindrical grooves 63 and cylindrical protrusions 64; the ventilation hole 65 has been seted up down on the inside lining bed die 6, the bottom side of inside lining bed die 61 extends to in the ventilation hole 65 down, install first semiconductor refrigeration piece 66 and second fan 67 in the ventilation hole 65 down, the refrigeration end of first semiconductor refrigeration piece 66 with inside lining bed die 65 laminates mutually.
The inner surfaces of the lining upper mold core 71 and the lining lower mold core 61 are both in concave-convex design, so that the top surface and the bottom surface of the lining plate 9 are also concave-convex surfaces, the contact area with plastic materials is increased, and the lining plate 9 is better combined with the plastic materials.
The distance from the top end of the pillar 91 at the top side of the inner lining plate 9 to the bottom end of the pillar 91 at the bottom side is the thickness of the injection molding.
The top side and the bottom side of the inner lining plate 9 are both provided with a plurality of pillars 91, the pillars 91 are formed by injection molding of the lower cylindrical grooves 63 and the upper cylindrical grooves 72, and the pillars 91 are used for reinforcing connection with plastic parts and have the function of reinforcing ribs; a plurality of through holes 93 are formed in the inner lining plate 9, and the through holes 93 are formed by injection molding through the columnar protrusions 64;
the lining plate 9 is made of 60Mn steel, and has good strength, hardness and elasticity.
An injection molding process method for plastic parts comprises the following steps:
the lining upper die 7 is lowered to be matched with the lining lower die 6 through the lifting device 8, materials are injected through the second material injection pipe 73, after the materials are injected, the first semiconductor refrigeration sheet 66, the second fan 67, the second semiconductor refrigeration sheet 75 and the third fan 76 are started, the lining upper die core 71 and the lining lower die core 61 are cooled, and the lining plate 9 is formed;
taking out the lining plate 9, placing the lining plate 9 into the injection lower mold core 41, lowering the injection upper mold 5 to be matched with the injection lower mold 4 through the lifting device 8, and injecting materials through the first material injection pipe 53; at the moment, a first electromagnetic valve 47 and a second electromagnetic valve 49 are opened to inject water into a water bath cavity 43 to cool the injection lower mold core 41, when a temperature sensor 45 detects that the water temperature is lower than 70-80 ℃, the first electromagnetic valve 47 and the second electromagnetic valve 49 are closed, and the water temperature in the water bath cavity 43 is kept at 70-80 ℃ through a heating resistor 44, so that the situation that the flowability of the plastic in a molten state in the mold is poor when the mold temperature is low, the uneven surface of an injection finished product is poor, and the appearance of the product is affected due to poor smoothness of the uneven surface of the injection finished product is prevented; after long-time injection molding, the temperature of the mold rises, and when the temperature of the mold is higher, the product is not cooled enough and deforms after being demoulded; meanwhile, the temperature of the injection upper mold core 51 is kept at 70-80 ℃, when the temperature detector 55 detects that the temperature of the injection upper mold core 51 is higher than a set temperature, the first fan 56 is started to cool, and when the temperature detector 55 detects that the temperature of the injection upper mold core 51 is lower than the set temperature, the electric heater 54 is started to heat; until the plastic part is molded.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a device of moulding plastics for plastic part which characterized in that: the device comprises a base (1), wherein a support (2) is arranged on the top side of the base (1), and a top plate (3) is arranged on the top side of the support (2);
the injection molding machine is characterized in that an injection lower mold (4) and a lining lower mold (6) are fixedly mounted on the top side of the base (1), an injection upper mold (5) and a lining upper mold (7) are slidably mounted below the top plate (3), the injection upper mold (5) is matched with the injection lower mold (4), the lining lower mold (6) is matched with the lining upper mold (7), the lining lower mold (6) is used for manufacturing a lining plate (9) with the lining upper mold (7), and the lining plate (9) is arranged inside a plastic part.
2. The injection molding apparatus for plastic parts according to claim 1, wherein: the injection upper mold (5) and the lining upper mold (7) are connected with the top plate (3) through a lifting device (8).
3. The injection molding apparatus for plastic parts according to claim 2, wherein: elevating gear (8) include automatic winding device (81) and two fixed pulley (82) based on automatic winding device (81) symmetry sets up, automatic winding device (81) with the equal fixed mounting of fixed pulley (82) is in the bottom side of roof (3), two stay cord (83) of top side and bottom side difference fixedly connected with of automatic winding device (81), two stay cord (83) are walked around two respectively fixed pulley (82).
4. The injection molding apparatus for plastic parts according to claim 1, wherein: an injection lower mold core (41) is arranged on the injection lower mold (4), an injection molding groove (42) is formed in the injection lower mold core (41), a water bath cavity (43) is formed in the injection lower mold (4), the bottom side of the injection lower mold core (41) extends into the water bath cavity (43), and a heating resistor (44) and a temperature sensor (45) are arranged in the water bath cavity (43); be provided with inlet tube (46) and drain pipe (48) in water bath chamber (43), inlet tube (46) with drain pipe (48) all extend to outside water bath chamber (43), inlet tube (46) with be provided with first solenoid valve (47) and second solenoid valve (49) on drain pipe (48) respectively.
5. The injection molding apparatus for plastic parts according to claim 4, wherein: an injection upper mold core (51) is arranged on the injection upper mold (5), the injection upper mold core (51) is matched with the injection lower mold core (41), a first injection pipe (53) is arranged on the injection upper mold (5), a heat dissipation channel (52) is formed in the injection upper mold (5), the top side of the injection upper mold core (51) extends into the heat dissipation channel (52), an electric heater (54) is installed in the heat dissipation channel (52), the electric heater (54) is in contact with the injection upper mold core (51), and a temperature detector (55) is arranged on the injection upper mold core (51); a first fan (56) is installed in the heat dissipation channel (52).
6. The injection molding apparatus for plastic parts according to claim 1, wherein: the lining lower die (6) is provided with a lining lower die core (61), the lining lower die core (61) is provided with a lining forming groove (62), and the bottom side of the lining forming groove (62) is provided with a plurality of lower cylindrical grooves (63) and cylindrical protrusions (64); the ventilation hole (65) down has been seted up on inside lining bed die (6), the bottom side of inside lining bed die core (61) extends to in ventilation hole (65) down, install first semiconductor refrigeration piece (66) and second fan (67) in ventilation hole (65) down, the refrigeration end of first semiconductor refrigeration piece (66) with inside lining bed die (65) are laminated mutually.
7. The injection molding apparatus for plastic parts according to claim 1, wherein: mould core (71) and second notes material pipe (73) on being provided with the inside lining on mould (7) on the inside lining, a plurality of column recesses (72) of going up have been seted up on mould core (71) on the inside lining, mould (7) are gone up in the inside lining have been seted up ventilation hole (74), go up and install second semiconductor refrigeration piece (75) and third fan (76) in ventilation hole (74), the refrigeration end of second semiconductor refrigeration piece (75) with mould core (71) are laminated mutually on the inside lining.
8. An injection molding process for plastic parts, which is realized by using the injection molding device according to claims 1-7, and is characterized by comprising the following steps:
pouring the lining plate (9) through the lining upper mold (7) and the lining lower mold (6);
placing the lining plate (9) into the injection molding lower mold core (41);
and (3) matching the injection upper mold (5) with the injection lower mold (4) and then performing injection molding.
9. The injection molding process for plastic parts according to claim 8, wherein: the top side and the bottom side of the inner lining plate (9) are provided with a plurality of pillars (91), and the pillars (91) are formed by injection molding of the lower cylindrical groove (63) and the upper cylindrical groove (72).
10. The injection molding process for plastic parts according to claim 8, wherein: the inner lining plate (9) is provided with a plurality of through holes (93), and the through holes (93) are formed by injection molding of the columnar protrusions (64).
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| CN202111084186.XA CN113878798B (en) | 2021-09-16 | 2021-09-16 | Injection molding process method and device for plastic parts |
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| CN202111084186.XA CN113878798B (en) | 2021-09-16 | 2021-09-16 | Injection molding process method and device for plastic parts |
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| CN113878798A true CN113878798A (en) | 2022-01-04 |
| CN113878798B CN113878798B (en) | 2023-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117355071A (en) * | 2023-12-04 | 2024-01-05 | 江苏东海半导体股份有限公司 | IGBT module with high weather resistance |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0623443A1 (en) * | 1993-02-12 | 1994-11-09 | COMMER S.p.A. | A method and device for the production of lined panels by low presssure injection. |
| KR20040061082A (en) * | 2002-12-30 | 2004-07-07 | 전성도 | Forming method for automotive interior trim parts |
| CN105163921A (en) * | 2013-03-26 | 2015-12-16 | Nok株式会社 | Molding apparatus |
| CN109352903A (en) * | 2018-11-15 | 2019-02-19 | 创意塑胶工业（苏州）有限公司 | A kind of double-color mold preventing the viscous preceding mould of product |
| CN211683258U (en) * | 2020-01-02 | 2020-10-16 | 义乌市大明玩具有限公司 | Mould of production plastic rabbit toy |
| CN211842950U (en) * | 2019-12-03 | 2020-11-03 | 昆山市艾之特精密模具科技有限公司 | Rubber part injection mold for automobile |
| CN212860322U (en) * | 2020-06-17 | 2021-04-02 | 陕西国久泰塑胶科技有限公司 | Injection molding mold |
| CN213618054U (en) * | 2020-10-10 | 2021-07-06 | 泉州市西特吉新材料有限公司 | Double-cavity die for producing rubber base plate |
-
2021
- 2021-09-16 CN CN202111084186.XA patent/CN113878798B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0623443A1 (en) * | 1993-02-12 | 1994-11-09 | COMMER S.p.A. | A method and device for the production of lined panels by low presssure injection. |
| KR20040061082A (en) * | 2002-12-30 | 2004-07-07 | 전성도 | Forming method for automotive interior trim parts |
| CN105163921A (en) * | 2013-03-26 | 2015-12-16 | Nok株式会社 | Molding apparatus |
| CN109352903A (en) * | 2018-11-15 | 2019-02-19 | 创意塑胶工业（苏州）有限公司 | A kind of double-color mold preventing the viscous preceding mould of product |
| CN211842950U (en) * | 2019-12-03 | 2020-11-03 | 昆山市艾之特精密模具科技有限公司 | Rubber part injection mold for automobile |
| CN211683258U (en) * | 2020-01-02 | 2020-10-16 | 义乌市大明玩具有限公司 | Mould of production plastic rabbit toy |
| CN212860322U (en) * | 2020-06-17 | 2021-04-02 | 陕西国久泰塑胶科技有限公司 | Injection molding mold |
| CN213618054U (en) * | 2020-10-10 | 2021-07-06 | 泉州市西特吉新材料有限公司 | Double-cavity die for producing rubber base plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117355071A (en) * | 2023-12-04 | 2024-01-05 | 江苏东海半导体股份有限公司 | IGBT module with high weather resistance |
| CN117355071B (en) * | 2023-12-04 | 2024-02-20 | 江苏东海半导体股份有限公司 | IGBT module with high weather resistance |
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| CN113878798B (en) | 2023-09-01 |
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Denomination of invention: An injection molding process method and device for plastic parts Effective date of registration: 20240102 Granted publication date: 20230901 Pledgee: Anhui Lujiang Rural Commercial Bank Co.,Ltd. Pledgor: Anhui Dongyin Technology Co.,Ltd. Registration number: Y2023980075818 |
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