CN114228067A - Injection molding process of automobile door core plate - Google Patents
Injection molding process of automobile door core plate Download PDFInfo
- Publication number
- CN114228067A CN114228067A CN202111557048.9A CN202111557048A CN114228067A CN 114228067 A CN114228067 A CN 114228067A CN 202111557048 A CN202111557048 A CN 202111557048A CN 114228067 A CN114228067 A CN 114228067A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 50
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011797 cavity material Substances 0.000 description 63
- 238000000151 deposition Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 239000000243 solution 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/2602—Mould construction elements
Abstract
The application discloses injection moulding technology of car door core board belongs to car manufacturing technical field, includes the step: s1, drying, and drying and carrying out moisture treatment on the raw material particles; s2, closing the molds, and starting the hydraulic cylinders of the injection molding machines to combine and seal the molds; s3, filling, starting a propulsion system of the injection molding machine, heating the dried raw materials to a molten state, and pushing the raw materials into a forming cavity of the mold; s4, maintaining pressure, starting a pneumatic system of the injection molding machine, and pressurizing the inlet of the mold to keep the molten raw material in the mold at high pressure; s5, cooling, starting a water cooling system of the injection molding machine, and rapidly cooling the die set; and S6, demolding, starting a hydraulic system of the injection molding machine to separate the mold, and starting a pneumatic ejection device arranged on the mold to enable the product in the mold forming cavity to fall off. This application has the protection product when the drawing of patterns, prevents the effect of product damage.
Description
Technical Field
The application relates to the technical field of automobile manufacturing, in particular to an injection molding process of an automobile door core plate.
Background
The automobile door core plate is an important part on an automobile door plate, is usually arranged on the inner side of an automobile door and mainly plays roles in decoration, automobile internal placement grooves and the like. Under the concept of light weight of automobiles, the core plate of the automobile door is mostly made of plastic and is usually manufactured by an injection molding process. The injection molding process of the injection molding process is typically accomplished by an injection molding machine. In the injection molding machine, after the injection molding is finished, the mold is separated, so that the product in the mold falls under the action of gravity, and the blanking is finished. For plate-shaped products, such as door core plates, the thickness is small, the weight is light, and the blanking is difficult to finish by means of gravity. Therefore, in some injection molding machines, the ejection mechanism is used to complete the blanking.
For example, the chinese patent with publication number CN112848149A discloses a device for assisting in demolding of injection products of an injection molding machine, which comprises a base and a demolding assembly, wherein an electric telescopic rod is fixedly installed on the inner wall of the top of the base, the outer wall of the electric telescopic rod is movably connected with an injection molding table, and through the matching use of various structures in the demolding assembly, once the injection molding table is lifted after the injection molding is completed, an object which is already molded in a mold can be pushed out, so that the demolding work is more convenient and faster.
In view of the above-mentioned related art, the inventor believes that the existence of the demolding and blanking of the product through the telescopic rod may cause damage to the product with high temperature, which affects the product quality.
Disclosure of Invention
In order to protect a product during demolding and prevent the product from being damaged, the application provides an injection molding process of an automobile door core plate.
The application provides an injection moulding technology of car door core adopts following technical scheme:
an injection molding process of an automobile door core plate comprises the following steps: s1, drying, and drying and carrying out moisture treatment on the raw material particles; s2, closing the molds, and starting the hydraulic cylinders of the injection molding machines to combine and seal the molds; s3, filling, starting a propulsion system of the injection molding machine, heating the dried raw materials to a molten state, and pushing the raw materials into a forming cavity of the mold; s4, maintaining pressure, starting a pneumatic system of the injection molding machine, and pressurizing the inlet of the mold to keep the molten raw material in the mold at high pressure; s5, cooling, starting a water cooling system of the injection molding machine, and rapidly cooling the die set; and S6, demolding, starting a hydraulic system of the injection molding machine to separate the mold, and starting a pneumatic ejection device arranged on the mold to enable the product in the mold forming cavity to fall off.
Through above-mentioned technical scheme, in the drawing of patterns step, through the product in the ejecting mould of pneumatic ejecting device, compare with the mode that traditional nature drops, unloading efficiency is higher, and compares with the ejecting mode of traditional machinery, has avoided the direct contact with high temperature product, has reduced the damage to the product.
Further, the pneumatic ejection device is arranged on a fixed die in the die set, a pneumatic cavity is formed in the fixed die, one end of the pneumatic cavity is communicated with the outer wall of the fixed die, and the other end of the pneumatic cavity is communicated with the inner wall of the fixed die forming cavity; the pneumatic ejection device comprises a pumping module and a sealing module; the sealing module is arranged at one end of the pneumatic cavity close to the forming cavity and used for sealing and opening the pneumatic cavity; the pumping module is used for forming high-pressure air and instantly releasing the high-pressure air into the pneumatic cavity.
Through above-mentioned technical scheme, when the product injection moulding of shaping intracavity, the pneumatic chamber is sealed to the closed module, prevents that the raw materials from flowing to the pneumatic intracavity and blockking up the pneumatic chamber, and after the product design, the closed module opens the pneumatic chamber, and the pump gas module forms high-pressure air and releases to the pneumatic intracavity in the twinkling of an eye to make the product ejecting under high-pressure effect.
Further, the air pumping module comprises an air storage box fixed outside the fixed die, an air pump fixed on the air storage box and an air inlet pipe connected to an air inlet of the air pump; the air outlet of the air pump extends into the air storage box, and a first electromagnetic valve is installed at the air outlet of the air pump; one end of the pneumatic cavity, which is far away from the molding cavity, is communicated with the gas storage box, and a second electromagnetic valve is installed between the gas storage box and the pneumatic cavity.
Through above-mentioned technical scheme, after the product shaping in the shaping intracavity, the air pump starts, go into a large amount of compressed air through the intake pipe in the case of depositing, then first solenoid valve is closed, the second solenoid valve is opened, make a large amount of compressed air get into the pneumatic intracavity, thereby form the high pressure on the product, make the product by the shaping intracavity by ejecting, accomplish the unloading of product, and the air pump can be before the product shaping promptly at the case of depositing in the case pump go into compressed air, thereby can release in the twinkling of an eye when the product is stereotyped, further promote unloading efficiency.
Further, a driving cavity is formed in the fixed die, one end of the driving cavity is communicated with the outer wall of the fixed die, and the other end of the driving cavity is communicated with the inner wall of the pneumatic cavity; the inner wall of the pneumatic cavity is provided with a stepped groove connected with the driving cavity; the closed module comprises a closed block rotatably arranged in the stepped groove, a servo motor fixed outside the fixed die, a butting head slidably arranged in the driving cavity and a driving screw rod connected to an output shaft of the servo motor; one end of the driving screw rod, which is far away from the servo motor, penetrates through the abutting joint and is in threaded connection with the abutting joint; the inner wall of the stepped groove is connected with a tension spring between the sealing blocks, and the sealing blocks are movably sealed with the inner wall of the stepped groove.
According to the technical scheme, before injection molding, the servo motor is started to drive the screw rod to rotate, so that the abutting head moves towards the sealing block, the abutting block abuts against the sealing block and pushes the sealing block to rotate until the sealing block seals the pneumatic cavity, and raw materials are prevented from entering the pneumatic cavity; and after the product in the shaping intracavity was stereotyped, servo motor started for the drive lead screw reversal, thereby make the butt head return the drive intracavity, thereby make the closing piece rotate to the ladder inslot under the resilience effect of extension spring, thereby make pneumatic chamber link up with the shaping chamber, transmission stable in structure.
Further, a sliding protrusion used for being abutted against the abutting head is formed on the side wall, close to the pneumatic cavity, of the sealing block, and a first sealing ring is embedded in the sliding protrusion; the opening part of pneumatic chamber intercommunication one-tenth die cavity is fixed with the butt ring, the closing block is kept away from inlay on the bellied lateral wall of slip be used for with the second sealing ring of butt ring butt.
Through above-mentioned technical scheme, the butt head supports the slip arch, can drive the closure piece and rotate, and when the closure piece kick-backs to the ladder inslot, first sealing ring supports tightly with ladder inslot wall, prevents that the gas of pump gas module from getting into the drive chamber, and when the closure piece closed pneumatic chamber, the second sealing ring on the closure piece supports the butt ring of pneumatic intracavity to make the pneumatic chamber seal the fastening, prevent that the raw materials from getting into pneumatic chamber.
Furthermore, the pneumatic ejection devices are provided with at least four groups, and the four groups of pneumatic ejection devices are uniformly arranged on the outer side of the fixed die.
Through the technical scheme, the pneumatic ejection device is arranged, so that the stress of the product during ejection is uniform, and the product is prevented from being clamped in the forming cavity.
In summary, the present application includes at least one of the following advantageous technical effects:
(1) in the demolding step, the product in the mold is ejected through the pneumatic ejection device, compared with the traditional natural falling mode, the blanking efficiency is higher, compared with the traditional mechanical ejection mode, the direct contact with a high-temperature product is avoided, and the damage to the product is reduced;
(2) after the product shaping of shaping intracavity, the air pump starts, go into a large amount of compressed air through the intake pipe in the case of depositing, then first solenoid valve is closed, the second solenoid valve is opened for a large amount of compressed air get into the pneumatic intracavity, thereby form the high pressure on the product, make the product by the shaping intracavity by ejecting, accomplish the unloading of product, and the air pump can be before the product shaping promptly at the case of depositing the pump in compressed air, thereby can release in the twinkling of an eye when the product is stereotyped, further promote unloading efficiency.
Drawings
FIG. 1 is a schematic step view of an injection molding process for an automotive door core panel;
FIG. 2 is a schematic vertical sectional view of the stationary mold;
fig. 3 is an enlarged schematic view of a point a in fig. 2.
The reference numbers in the figures illustrate:
1. fixing a mold; 11. a molding cavity; 12. a pneumatic chamber; 121. a butting ring; 13. a drive chamber; 14. a stepped groove; 2. a pumping module; 21. a gas storage box; 22. an air pump; 23. an air inlet pipe; 24. a first solenoid valve; 25. a second solenoid valve; 31. a sealing block; 311. a sliding projection; 312. a first seal ring; 313. a second seal ring; 314. a tension spring; 32. a servo motor; 33. a butting head; 34. the screw rod is driven.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an injection molding process of an automobile door core plate, please refer to fig. 1, which includes the steps:
and S1, drying, and drying and moisture processing the raw material particles.
And S2, closing the molds, and starting the hydraulic cylinders of the injection molding machine to combine and seal the molds.
S3, filling, starting a propulsion system of the injection molding machine, heating the dried raw materials to a molten state, and pushing the raw materials into a molding cavity 11 of the mold.
And S4, maintaining pressure, starting a pneumatic system of the injection molding machine, and pressurizing the inlet of the mold so as to keep the molten raw material in the mold at high pressure.
And S5, cooling, starting the water cooling system of the injection molding machine, and rapidly cooling the die set.
And S6, demolding, starting a hydraulic system of the injection molding machine to separate the mold, and starting a pneumatic ejection device arranged on the mold to enable the product in the mold forming cavity 11 to fall off in combination with the operation shown in FIG. 2. The pneumatic ejection device is arranged on a fixed die 1 in the die set, a pneumatic cavity 12 is formed in the fixed die 1, one end of the pneumatic cavity 12 is communicated with the outer wall of the fixed die 1, and the other end of the pneumatic cavity is communicated with the inner wall of a forming cavity 11 of the fixed die 1. The pneumatic ejection device comprises a pumping module 2 and a sealing module. The closing module is arranged at one end of the pneumatic cavity 12 close to the forming cavity 11 and is used for closing and opening the pneumatic cavity 12. The pumping module 2 is used for forming high-pressure air and instantly releasing the high-pressure air into the pneumatic cavity 12. When the product in the molding cavity 11 is injection molded, the sealing module seals the pneumatic cavity 12 to prevent the raw material from flowing into the pneumatic cavity 12 to block the pneumatic cavity 12, and after the product is shaped, the sealing module opens the pneumatic cavity 12, the pumping module 2 forms high-pressure air and instantly releases the high-pressure air into the pneumatic cavity 12, so that the product is ejected under the action of high pressure. And the pneumatic ejection devices are provided with at least four groups, and the four groups of pneumatic ejection devices are uniformly arranged on the outer side of the fixed die 1.
Referring to fig. 2, the pumping module 2 includes a gas storage box 21 fixed outside the fixed mold 1, a gas pump 22 fixed on the gas storage box 21, and a gas inlet pipe 23 connected to a gas inlet of the gas pump 22. The air outlet of the air pump 22 extends into the air storage box 21, and a first electromagnetic valve 24 is installed at the air outlet of the air pump 22. One end of the pneumatic cavity 12 far away from the molding cavity 11 is communicated with the air storage box 21, and a second electromagnetic valve 25 is installed between the air storage box 21 and the pneumatic cavity 12. After the product shaping in the die cavity 11, air pump 22 starts, pump into a large amount of compressed air in depositing gas box 21 through intake pipe 23, then first solenoid valve 24 closes, second solenoid valve 25 opens, make a large amount of compressed air get into in the pneumatic chamber 12, thereby form the high pressure on the product, make the product by ejecting in the die cavity 11, accomplish the unloading of product, and air pump 22 can be before the product shaping pump into compressed air in depositing gas box 21 promptly, thereby can release in the twinkling of an eye when the product is stereotyped, further promote unloading efficiency.
Referring to fig. 2 and 3, a driving cavity 13 is formed in the fixed die 1, one end of the driving cavity 13 is communicated with the outer wall of the fixed die 1, and the other end of the driving cavity is communicated with the inner wall of the pneumatic cavity 12. The inner wall of the pneumatic cavity 12 is provided with a stepped groove 14 connected with the driving cavity 13. The sealing module comprises a sealing block 31 rotatably arranged in the stepped groove 14, a servo motor 32 fixed outside the fixed die 1, an abutting head 33 slidably arranged in the driving cavity 13 and a driving screw rod 34 connected to an output shaft of the servo motor 32. One end of the driving screw rod 34 far away from the servo motor 32 penetrates through the abutting head 33 and is in threaded connection with the abutting head 33. A tension spring 314 is connected between the inner wall of the stepped groove 14 and the closing block 31, and the closing block 31 is movably sealed with the inner wall of the stepped groove 14. A sliding protrusion 311 for abutting against the abutting head 33 is formed on a side wall of the closing block 31 close to the pneumatic cavity 12, and a first sealing ring 312 is embedded on the sliding protrusion 311. An abutting ring 121 is fixed at an opening of the pneumatic cavity 12 communicated with the forming cavity 11, and a second sealing ring 313 used for abutting against the abutting ring 121 is embedded on the side wall of the sealing block 31 far away from the sliding protrusion 311. Before injection molding, the servo motor 32 is started, so that the driving screw rod 34 rotates, the abutting head 33 moves towards the sealing block 31, the abutting block abuts against the sealing block 31 and pushes the sealing block 31 to rotate until the sealing block 31 seals the pneumatic cavity 12, and raw materials are prevented from entering the pneumatic cavity 12. After the product in the forming cavity 11 is formed, the servo motor 32 is started to reversely rotate the driving screw rod 34, so that the abutting head 33 returns to the driving cavity 13, the sealing block 31 rotates to the stepped groove 14 under the rebounding action of the tension spring 314, the pneumatic cavity 12 is communicated with the forming cavity 11, and the transmission structure is stable.
The implementation principle of the injection molding process of the automobile door core plate in the embodiment of the application is as follows: in the demolding step, the product in the mold is ejected through the pneumatic ejection device, compared with the traditional natural falling mode, the blanking efficiency is higher, compared with the traditional mechanical ejection mode, the direct contact with a high-temperature product is avoided, and the damage to the product is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. An injection molding process of an automobile door core plate is characterized in that: the method comprises the following steps: s1, drying, and drying and carrying out moisture treatment on the raw material particles; s2, closing the molds, and starting the hydraulic cylinders of the injection molding machines to combine and seal the molds; s3, filling, starting a propulsion system of the injection molding machine, heating the dried raw materials to a molten state, and pushing the raw materials into a molding cavity (11) of the mold; s4, maintaining pressure, starting a pneumatic system of the injection molding machine, and pressurizing the inlet of the mold to keep the molten raw material in the mold at high pressure; s5, cooling, starting a water cooling system of the injection molding machine, and rapidly cooling the die set; and S6, demolding, starting a hydraulic system of the injection molding machine to separate the mold, and starting a pneumatic ejection device arranged on the mold to enable the product in the mold forming cavity (11) to fall off.
2. The injection molding process of an automobile door core plate according to claim 1, wherein: the pneumatic ejection device is arranged on a fixed die (1) in the die set, a pneumatic cavity (12) is formed in the fixed die (1), one end of the pneumatic cavity (12) is communicated with the outer wall of the fixed die (1), and the other end of the pneumatic cavity is communicated with the inner wall of a forming cavity (11) of the fixed die (1); the pneumatic ejection device comprises a pumping module (2) and a sealing module; the closing module is arranged at one end of the pneumatic cavity (12) close to the forming cavity (11) and is used for closing and opening the pneumatic cavity (12); the pumping module (2) is used for forming high-pressure air and instantly releasing the high-pressure air into the pneumatic cavity (12).
3. The injection molding process of an automobile door core plate according to claim 2, wherein: the air pumping module (2) comprises an air storage box (21) fixed outside the fixed die (1), an air pump (22) fixed on the air storage box (21) and an air inlet pipe (23) connected to an air inlet of the air pump (22); an air outlet of the air pump (22) extends into the air storage box (21), and a first electromagnetic valve (24) is installed at the air outlet of the air pump (22); one end of the pneumatic cavity (12) far away from the molding cavity (11) is communicated with the gas storage box (21), and a second electromagnetic valve (25) is installed between the gas storage box (21) and the pneumatic cavity (12).
4. The injection molding process of an automobile door core plate according to claim 2, wherein: a driving cavity (13) is formed in the fixed die (1), one end of the driving cavity (13) is communicated with the outer wall of the fixed die (1), and the other end of the driving cavity (13) is communicated with the inner wall of the pneumatic cavity (12); the inner wall of the pneumatic cavity (12) is provided with a stepped groove (14) connected with the driving cavity (13); the sealing module comprises a sealing block (31) rotatably mounted in the stepped groove (14), a servo motor (32) fixed outside the fixed die (1), a butting head (33) slidably mounted in the driving cavity (13) and a driving screw rod (34) connected to an output shaft of the servo motor (32); one end, far away from the servo motor (32), of the driving screw rod (34) penetrates through the abutting head (33) and is in threaded connection with the abutting head (33); the inner wall of the stepped groove (14) and the closing block (31) are connected with a tension spring (314), and the closing block (31) and the inner wall of the stepped groove (14) are movably sealed.
5. The injection molding process of an automobile door core plate according to claim 4, wherein: a sliding bulge (311) used for being abutted with the abutting head (33) is formed on the side wall, close to the pneumatic cavity (12), of the sealing block (31), and a first sealing ring (312) is embedded on the sliding bulge (311); the opening part of pneumatic chamber (12) intercommunication shaping chamber (11) is fixed with butt ring (121), closing piece (31) are kept away from inlay on the lateral wall of slip arch (311) be used for with second sealing ring (313) of butt ring (121) butt.
6. The injection molding process of an automobile door core plate according to claim 2, wherein: the pneumatic ejection devices are provided with at least four groups, and the four groups of pneumatic ejection devices are uniformly arranged on the outer side of the fixed die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111557048.9A CN114228067A (en) | 2021-12-18 | 2021-12-18 | Injection molding process of automobile door core plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111557048.9A CN114228067A (en) | 2021-12-18 | 2021-12-18 | Injection molding process of automobile door core plate |
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| Publication Number | Publication Date |
|---|---|
| CN114228067A true CN114228067A (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111557048.9A Pending CN114228067A (en) | 2021-12-18 | 2021-12-18 | Injection molding process of automobile door core plate |
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| Country | Link |
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| CN (1) | CN114228067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951594A (en) * | 2022-06-20 | 2022-08-30 | 施扬斌 | Workpiece casting method capable of realizing rapid demolding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000263603A (en) * | 1999-03-18 | 2000-09-26 | Nec Corp | Resin molding machine and method for releasing molding from mold |
| CN1473696A (en) * | 2003-08-11 | 2004-02-11 | 卢能晓 | Compressed air demolding method for injection mold and its mold structure |
| CN201268078Y (en) * | 2008-08-02 | 2009-07-08 | 俞建江 | Compressed air demoulding system of thin wall deep cavity mould |
| CN107283714A (en) * | 2017-07-09 | 2017-10-24 | 东莞市中萃模具塑胶科技有限公司 | Mobile phone plastic part negative pressure precision injection molding method |
| CN110141389A (en) * | 2019-06-21 | 2019-08-20 | 福州市闽侯县扬贤工艺品有限公司 | A kind of dental handheld tool holder with sterilizing function |
| CN110486881A (en) * | 2019-08-13 | 2019-11-22 | 深圳市俊达通办公智能科技有限公司 | A kind of heavy duty detergent inlet duct for fresh air system |
-
2021
- 2021-12-18 CN CN202111557048.9A patent/CN114228067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000263603A (en) * | 1999-03-18 | 2000-09-26 | Nec Corp | Resin molding machine and method for releasing molding from mold |
| CN1473696A (en) * | 2003-08-11 | 2004-02-11 | 卢能晓 | Compressed air demolding method for injection mold and its mold structure |
| CN201268078Y (en) * | 2008-08-02 | 2009-07-08 | 俞建江 | Compressed air demoulding system of thin wall deep cavity mould |
| CN107283714A (en) * | 2017-07-09 | 2017-10-24 | 东莞市中萃模具塑胶科技有限公司 | Mobile phone plastic part negative pressure precision injection molding method |
| CN110141389A (en) * | 2019-06-21 | 2019-08-20 | 福州市闽侯县扬贤工艺品有限公司 | A kind of dental handheld tool holder with sterilizing function |
| CN110486881A (en) * | 2019-08-13 | 2019-11-22 | 深圳市俊达通办公智能科技有限公司 | A kind of heavy duty detergent inlet duct for fresh air system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951594A (en) * | 2022-06-20 | 2022-08-30 | 施扬斌 | Workpiece casting method capable of realizing rapid demolding |
| CN114951594B (en) * | 2022-06-20 | 2023-12-12 | 广德垣鑫数控重机有限公司 | Workpiece casting method capable of rapidly demolding |
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