CN117382106A - Two-color injection molding mold for automobile water tank structure - Google Patents
Two-color injection molding mold for automobile water tank structure Download PDFInfo
- Publication number
- CN117382106A CN117382106A CN202311421416.6A CN202311421416A CN117382106A CN 117382106 A CN117382106 A CN 117382106A CN 202311421416 A CN202311421416 A CN 202311421416A CN 117382106 A CN117382106 A CN 117382106A
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- plate
- injection molding
- mold
- water tank
- cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
- B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
-
- 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
- B29C2045/2697—Deformed geometry of the cavity
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a double-color injection molding die for an automobile water tank structure, which comprises an ejector pin plate, ejector pins, a panel, a hot runner plate, an A plate, a B plate, square iron and a bottom plate which are sequentially arranged from top to bottom, wherein a front die core is arranged below the A plate, a rear die core is arranged above the B plate, the front die core and the rear die core are correspondingly arranged to form a die cavity, a soft rubber runner and a hard rubber runner are connected and arranged on the hot runner plate, the soft rubber runner and the hard rubber runner are respectively communicated with a soft rubber hot nozzle and a hard rubber hot nozzle, the ejector pins can extend into the die cavity, sliding blocks are arranged on two sides of the front die core, the sliding blocks on two sides of the die cavity are positioned on two sides of the die cavity, and the sliding blocks are connected with the A plate; the mold further comprises moving blocks, wherein the moving blocks are positioned on two sides of the mold cavity, and when the mold is in a mold closing state, the sliding blocks on two sides are respectively pressed above the corresponding moving blocks. When the hard rubber injection molding is finished, the movable block is moved outwards, and then the soft rubber is injected, so that the volume of the whole mold is greatly reduced, the injection molding step is simplified, the injection molding efficiency is greatly improved, and the mold cost is reduced.
Description
Technical Field
The invention belongs to an injection mold, and particularly relates to a double-color injection molding mold for an automobile water tank structure.
Background
When the automobile water tank cover is formed, the hardness of the material of the body is high, so that hard glue needs to be injected, and soft glue needs to be injected at the corresponding position of the edge of the body, namely double-color injection molding in the industry. However, when the conventional common double-shot injection mold is used, the hard rubber part is injected, then the whole movable mold part is rotated 180 degrees, the injected hard rubber part is rotated into another cavity to be matched, and then the soft rubber part is injected. According to the double-color injection mold of the automobile sealing strip disclosed by the application number 201921324708.7, as shown in the 15 th section of the specification of the double-color injection mold, through the rotating operation mode of the first base, the switching operation injection molding of double injection molding stations is met, two side-by-side cavities are needed for the injection mold, so that the whole base can be matched with the other cavity after rotating, the whole mold is quite large in volume, and the mold cost is quite high; the problem of matching precision with different cavities can be also involved after the base rotates, and the quality of products is affected.
Disclosure of Invention
The invention aims to provide a double-color injection molding die for an automobile water tank structure, which can solve at least one of the problems.
According to one aspect of the invention, a double-color injection molding die for an automobile water tank structure is provided, which comprises an ejector plate, ejector pins, a panel, a hot runner plate, an A plate, a B plate, square iron and a bottom plate which are sequentially arranged from top to bottom, wherein a front mold core is arranged below the A plate, a rear mold core is arranged above the B plate, the front mold core and the rear mold core are correspondingly arranged to form a cavity, a soft rubber runner and a hard rubber runner are connected to the hot runner plate, the soft rubber runner and the hard rubber runner are respectively communicated with the soft rubber hot nozzle and the hard rubber hot nozzle, the soft rubber hot nozzle and the hard rubber hot nozzle are both communicated with the cavity, the ejector pin plate is positioned at the inner side of the square iron, one end of the ejector pins is fixed on the ejector plate, the other end of the ejector pins can extend into the cavity, two sides of the front mold core are provided with sliding blocks, the sliding blocks at two sides of the cavity are connected with the A plate;
the mold further comprises moving blocks, wherein the moving blocks are positioned on two sides of the mold cavity, and when the mold is in a mold closing state, the sliding blocks on two sides are respectively pressed above the corresponding moving blocks.
The beneficial effects of the invention are as follows: by arranging the sliding block and the moving block, when the injection mold is used for injecting the hard rubber part, the sliding block and the moving block jointly act with the cavity to provide a corresponding molding cavity for molding the hard rubber part; when the hard rubber injection molding is completed, the movable block is moved outwards when the soft rubber part is needed to be molded, and the movable block is separated from the main body of the hard rubber part which is molded, so that a certain cavity is formed between the movable block and the main body of the hard rubber part, and at the moment, the soft rubber is molded into the cavity. Therefore, through the interaction of the moving block and the sliding block, after the hard rubber injection molding of the mold is completed, the upper mold parts such as the A plate and the like are not required to rotate, and the double-color injection molding of the hard rubber and the soft rubber can be completed only in the cavity formed by the front mold core and the rear mold core, so that the volume of the whole mold is greatly reduced, the injection molding step is simplified, the injection molding efficiency is greatly improved, and the mold cost is reduced.
In some embodiments, the automobile water tank structure double-color injection molding die further comprises a first oil cylinder, the first oil cylinder is horizontally arranged, the first oil cylinder is fixed on the rear die core, the moving block is connected with a piston rod of the first oil cylinder, and each side of the moving block is connected with a plurality of first oil cylinders. Therefore, the first oil cylinder is arranged, so that the movement of the moving block can be conveniently pulled.
In some embodiments, the double-shot molding mould of the automobile water tank structure further comprises a balance column, the bottom end of the balance column is fixed on the rear mould core, the top end of the balance column penetrates through the moving block and then stretches out, the balance column is distributed along the length direction of the moving block, and when the vehicle water tank structure is in a mould closing state, the lower end face of the sliding block is abutted to the top end of the balance column. Therefore, by the aid of the balance column, the top end of the balance column extends out of the moving block, and when the bottom end of the sliding block is attached to the moving block in a die closing state, the sliding block is tightly pressed on the upper end face of the balance column, so that the moving block is prevented from being locked when the die is closed, and when soft rubber is conveniently injected, the moving block can be pulled outwards under the action of the oil cylinder.
In some embodiments, the moving block is provided with a mounting hole, and the balance column extends out after penetrating through the mounting hole, wherein the aperture of the mounting hole is larger than the outer diameter of the balance column. Therefore, the aperture of the mounting hole is larger than the outer diameter of the balance column, and the mounting hole can be limited through the balance column, so that the moving distance of the moving block is limited, the outward pulling distance of the moving block during each injection molding is ensured, and the dimensional accuracy of a product is ensured.
In some embodiments, the automobile water tank structure double-color injection molding die further comprises an inserting sheet, the inserting sheet is obliquely arranged, the inserting sheet is correspondingly arranged at the top end of the cavity, a second oil cylinder is arranged at the top end of the inserting sheet and horizontally arranged, and a cylinder body of the second oil cylinder is fixed on the A plate. From this, through being equipped with the inserted sheet, and slope setting, can make things convenient for corresponding top part of hard glue also shaping soft rubber, make things convenient for the second hydro-cylinder to drive the inserted sheet and remove, guaranteed that the inserted sheet can normally remove.
In some embodiments, the automobile water tank structure double-color injection molding die further comprises an inclined guide post, one end of the inclined guide post is fixedly sleeved on the rear die core, and the sliding block is sleeved on the other end of the inclined guide post. Thus, by providing the oblique guide post, the movement of the slide block can be guided.
In some embodiments, the automobile water tank structure double-shot molding die further comprises a reset spring, one end of the reset spring is abutted with the thimble plate, and the other end of the reset spring is abutted with the B plate. Therefore, by the aid of the reset spring, the thimble plate can be driven to move downwards to reset under the action of the rebound force of the reset spring, and the thimble is driven to reset.
Drawings
Fig. 1 is a schematic view of a partial structure of a prior art automobile radiator structure in a double-shot injection molding die.
FIG. 2 is a schematic top view of a two-shot injection mold in a closed state for an automotive radiator structure according to the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of C-C in FIG. 2;
FIG. 4 is a schematic structural view of a part of the structure in a double-shot injection molding die of an automobile water tank structure according to the present invention;
FIG. 5 is a schematic diagram of the structure of a slider on a rear mold insert in a dual-color injection mold for an automotive radiator structure according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 after hiding one of the sliders;
fig. 7 is a schematic structural view of an injection molded product of a two-shot injection mold of an automobile radiator structure of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Reference is made to fig. 1 to 6. The double-color injection molding die for the automobile water tank structure comprises an ejector plate 10, an ejector pin 20, a panel 30, a hot runner plate 70, an A plate 3, a B plate 4, square iron 5 and a bottom plate 40 which are sequentially arranged from top to bottom, wherein a front die core 7 is arranged below the A plate 3, a rear die core 8 is arranged above the B plate 4, the front die core 7 and the rear die core 8 are correspondingly arranged to form a cavity, a soft rubber runner and a hard rubber runner are connected to the hot runner plate 70, the soft rubber runner and the hard rubber runner are respectively communicated with a soft rubber hot nozzle 9 and a hard rubber hot nozzle 50, the soft rubber hot nozzle 9 and the hard rubber hot nozzle 50 are both communicated with the cavity, the ejector pin plate 10 is positioned at the inner side of the square iron 5, one end of the ejector pin 20 is fixed on the ejector plate 10, the other end of the ejector pin is capable of extending into the cavity, two sides of the front die core 7 are provided with sliding blocks 1, the sliding blocks 1 at two sides of the cavity are connected with the A plate 3;
the mold further comprises moving blocks 6, wherein the moving blocks 6 are positioned on two sides of the mold cavity, and when the mold is in a mold closing state, the sliding blocks 1 on two sides are respectively pressed above the corresponding moving blocks 6.
By providing the soft rubber hot nozzle 9 and the hard rubber hot nozzle 50, the hard rubber S1 and the soft rubber S2 can be conveniently and respectively injected (as shown in fig. 7), so that the two materials are not interfered with each other.
When the automobile water tank cover needs to be injection molded, the injection molding die is used for die assembly, the A plate 3 moves to one side of the B plate 4, the front die core 7 is attached to the rear die core 8, a cavity is formed between the front die core 7 and the rear die core 8, the sliding blocks 1 on the two sides are located on the two sides of the cavity, the moving blocks 6 move inwards to the corresponding positions of the cavity, the cavity forms a cavity required by hard rubber molding under the combined action of the sliding blocks 1 and the moving blocks 6, then the first color injection is carried out in the cavity through the hard rubber hot nozzle 50, and injection molding of a hard rubber part is completed, namely, the main body part of the automobile water tank cover is completed. At this time, the moving block 6 is located below the slider 6.
After the hard rubber part of the product is molded, the moving block 6 moves outwards by a corresponding distance, so that a certain gap is formed between the moving block 6 and the molded hard rubber part, and the distance of the moving block 6 moving outwards is adjusted correspondingly according to the size of the soft rubber part required to be molded by the product. After the moving block 6 moves outwards in place, the second-color soft rubber is injected into the cavity formed by the moving block 6 and the hard rubber part through the soft rubber hot nozzle 9, so that the soft rubber is molded at the corresponding edge of the hard rubber, and the soft rubber injection molding is completed.
Therefore, when the double-color injection molding die for the automobile water tank structure is used for molding, the double-color hard rubber and soft rubber materials are injection molded, the plate A and the whole movable die part do not need to be rotated, and double-color injection molding can be completed in one cavity, so that the volume of the whole injection molding die is greatly reduced, the die structure is optimized, and the die cost is saved; meanwhile, after the hard rubber part is molded, the movable block 6 is directly pulled outwards, and then the soft rubber part is molded, so that the injection molding efficiency of the product is improved.
The double-shot injection molding die of the automobile water tank structure further comprises a first oil cylinder 60, wherein the first oil cylinder 60 is horizontally arranged, the first oil cylinder 60 is fixed on the rear die core 8, the movable block 6 is connected with a piston rod of the first oil cylinder 60, and each movable block 6 is connected with a plurality of first oil cylinders 60. In practical use, two first cylinders 60 may be installed on each side of the moving block 6, and because the product has a large size, the length of the moving block 6 is large, so as to ensure the uniformity of the stress of the whole moving block 6 and ensure the smooth pulling of the moving block 6, the first cylinders 60 on each side may be two or three.
The double-shot injection molding die for the automobile water tank structure further comprises a balancing column 2, wherein the bottom end of the balancing column 2 is fixed on a rear die core 8, the top end of the balancing column penetrates through the moving block 6 and then stretches out, the balancing columns 2 are distributed along the length direction of the moving block 6, and when the automobile water tank structure is in a die assembly state, the lower end face of the sliding block 1 is abutted against the top end of the balancing column 2. Wherein the balance column 2 is a rubber column.
When the injection mold is in a mold closing state, the lower end face of the sliding block 1 is pressed down on the upper end face of the balance column 2. Because injection molding is required to be performed in the cavity, the whole mold is locked by the mold locking force after the mold is closed; in order to avoid extrusion of the injection molding material between the sliding block 1 and the moving block 6, and simultaneously, in order to avoid the moving block 6 being locked under the action of the pressing down of the sliding block 1, the balance column 2 is arranged, the upper end face of the balance column 2 extends out of the moving block 6, so that the bottom end of the sliding block 1 is tightly pressed on the upper end face of the balance column 2 when the sliding block 1 is tightly pressed on the moving block 6, at the moment, the moving block 6 and the sliding block 1 are tightly matched, and colloid outflow is avoided. That is, when the mold is in the mold-closing state, the slide block 1 is pressed down, and the balance post 2 is provided, so that when the lower end surface of the slide block 1 is matched with the moving block 6, the surface-to-surface contact is provided, and the point contact is realized under the action of the balance post 2, so that the moving block 6 is effectively prevented from being pressed and locked by the slide block 1 in the mold-closing state, and the moving block 6 can be pulled out under the action of the first oil cylinder 60 in the mold-closing state.
Therefore, after the hard rubber part of the product is molded, the first oil cylinder 60 can pull out the moving block 6 outwards, so that the moving block 6 moves outwards for a certain distance, and then the soft rubber is molded.
The moving block 6 is provided with a mounting hole 61, the balance column 2 extends out after penetrating through the mounting hole 61, and the aperture of the mounting hole 61 is larger than the outer diameter of the balance column 2. Since the aperture of the mounting hole 61 is larger than the outer diameter of the balance post 2, when the first cylinder 60 drives the moving block 6 to move outwards, the moving block 6 cannot continue to move outwards when the corresponding inner wall of the mounting hole 61 contacts the balance post 2, and the moving block 6 moves into place. At this time, the moving block 6 moves outwards for a certain distance relative to the hard rubber part of the injection molding to form a corresponding cavity, and soft rubber is injected into the cavity through the soft rubber hot nozzle 9, so that the soft rubber part is directly molded at the edge of the hard rubber, and the double-color injection molding of the product is completed.
The double-color injection molding die for the automobile water tank structure further comprises an inserting sheet 80, wherein the inserting sheet 80 is obliquely arranged, the inserting sheet 80 is correspondingly arranged at the top end of a cavity, a second oil cylinder 90 is arranged at the top end of the inserting sheet 80, the second oil cylinder 90 is horizontally arranged, and a cylinder body of the second oil cylinder 90 is fixed on the A plate 3.
Because this product, this car tank lid structure's specificity promptly, the upper end portion shaping of fashioned hard gum body has the turn over a limit downwards (promptly to the side that movable block 6 was located), and turns over a limit and have certain inclination, consequently, in order to guarantee the uniformity of the shaping thickness of slope limit department soft gum, and guarantee inserted sheet 80 and take into account normal drawing of patterns to, set up inserted sheet 80 slope.
Similarly, when the injection mold is closed, the piston rod of the second oil cylinder 90 extends out, and the second oil cylinder 90 pushes the insert 80 to be close to the cavity downwards, so that the injection of the hard rubber part is facilitated. After the hard rubber part is molded, the piston rod of the second oil cylinder 90 is pulled back to drive the insert 80 to be pulled back by a corresponding distance, so that the insert 80 and the hard rubber part of the product form a certain distance, and after the insert 80 moves in place, the soft rubber is molded, so that the requirement of double-color injection molding of the product is met. When the soft rubber injection molding is completed and demolding is needed, the piston rod of the second oil cylinder 90 continues to be pulled back, so that the insert 80 is separated from the injection molded product.
The double-color injection molding die for the automobile water tank structure further comprises an inclined guide post 100, one end of the inclined guide post 100 is fixedly sleeved on the rear die core 8, and the sliding block 1 is sleeved on the other end of the inclined guide post 100.
The double-color injection molding die of the automobile water tank structure further comprises a reset spring 11, one end of the reset spring 11 is abutted against the thimble plate 10, and the other end of the reset spring is abutted against the B plate 4.
After the product is molded, the product needs to be demolded, and when the product is demolded, the plate A3 and the plate B4 are driven by external force to separate, the sliding block 1 moves upwards along with the plate A3, the sliding block 1 moves under the guiding action of the inclined guide post 100, and the sliding block 1 is separated from the product, so that the core pulling action of the product is realized. Then, the ejector plate 10 is pushed by external force to move upwards, and the ejector plate 10 drives the ejector pins 20 to move upwards together, so that the ejector pins 20 eject the product upwards, and the demolding of the product is completed. When the ejector plate 10 moves upward, the return spring 11 is compressed; when the demolding of the product is completed, after the external force acting on the ejector plate 10 is removed, the return spring 11 rebounds, and the ejector plate 10 is downwards driven by the rebounding force, so that the ejector pin is driven to return, and the next injection mold is conveniently closed for injection molding.
In summary, when the automobile water tank structure double-color injection molding die is used for double-color injection molding of products, a set of dies is not needed to be added, and the movable die part is not needed to be rotated by 180 degrees, so that the cost of the dies is greatly saved, the size of the dies is reduced, and the time for manufacturing the dies is saved; meanwhile, the injection molding efficiency of the product can be improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the present invention.
Claims (7)
1. The double-color injection molding die for the automobile water tank structure is characterized by comprising an ejector plate (10), an ejector pin (20), a panel (30), a hot runner plate (70), an A plate (3), a B plate (4), square iron (5) and a bottom plate (40) which are sequentially arranged from top to bottom, wherein a front die core (7) is arranged below the A plate (3), a rear die core (8) is arranged above the B plate (4), the front die core (7) and the rear die core (8) are correspondingly arranged to form a cavity, a soft rubber runner and a hard rubber runner are connected to the hot runner plate (70), a soft rubber hot nozzle (9) and a hard rubber hot nozzle (50) are respectively communicated to the soft rubber runner and the hard rubber hot nozzle (50) and are both communicated with the cavity, the ejector pin (10) is positioned at the inner side of the square iron (5), one end of the ejector pin (20) is fixed on the ejector plate (10), the other end of the ejector pin can extend into the cavity, the front die core (7) is provided with two sides of the slider (1) and the two sides of the slider (1) are connected to the two sides of the slider (1);
the mold further comprises moving blocks (6), wherein the moving blocks (6) are positioned on two sides of the mold cavity, and when the mold is in a mold closing state, the sliding blocks (1) on two sides are respectively pressed above the corresponding moving blocks (6).
2. The automobile water tank structure double-color injection molding die according to claim 1, further comprising a first oil cylinder (60), wherein the first oil cylinder (60) is horizontally arranged, the first oil cylinder (60) is fixed on the rear die core (8), the moving block (6) is connected with a piston rod of the first oil cylinder (60), and a plurality of first oil cylinders (60) are connected to each side of the moving block (6).
3. The automobile water tank structure double-color injection molding die according to claim 2, further comprising a balance column (2), wherein the bottom end of the balance column (2) is fixed on the rear die core (8), the top end of the balance column penetrates through the moving block (6) and then stretches out, the balance column (2) is distributed along the length direction of the moving block (6), and when the die assembly state is in a die assembly state, the lower end face of the sliding block (1) is abutted against the top end of the balance column (2).
4. The double-shot injection molding die for the automobile water tank structure according to claim 3, wherein the moving block (6) is provided with a mounting hole (61), the balance column (2) extends out after penetrating through the mounting hole (61), and the aperture of the mounting hole (61) is larger than the outer diameter of the balance column (2).
5. The automobile water tank structure double-color injection molding die according to any one of claims 1 to 4, further comprising an insert (80), wherein the insert (80) is obliquely arranged, the insert (80) is arranged corresponding to the top end of the cavity, a second oil cylinder (90) is arranged at the top end of the insert (80), the second oil cylinder (90) is horizontally arranged, and a cylinder body of the second oil cylinder (90) is fixed on the a plate (3).
6. The double-shot injection molding die for the automobile water tank structure according to claim 5, further comprising an inclined guide post (100), wherein one end of the inclined guide post (100) is fixedly sleeved on the rear die core (8), and the sliding block (1) is sleeved on the other end of the inclined guide post (100).
7. The double-shot molding die for the automobile water tank structure according to claim 6, further comprising a return spring (11), wherein one end of the return spring (11) is abutted against the ejector plate (10), and the other end is abutted against the B plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311421416.6A CN117382106A (en) | 2023-10-30 | 2023-10-30 | Two-color injection molding mold for automobile water tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311421416.6A CN117382106A (en) | 2023-10-30 | 2023-10-30 | Two-color injection molding mold for automobile water tank structure |
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| Publication Number | Publication Date |
|---|---|
| CN117382106A true CN117382106A (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311421416.6A Pending CN117382106A (en) | 2023-10-30 | 2023-10-30 | Two-color injection molding mold for automobile water tank structure |
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| CN (1) | CN117382106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120645372A (en) * | 2025-06-11 | 2025-09-16 | 东莞市扬锐精密五金电子有限公司 | Forming die and forming method for automobile laser radar protective shell |
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| CN108215092A (en) * | 2018-02-02 | 2018-06-29 | 嘉兴信元精密模具科技有限公司 | A kind of delay Double-color injection mold structure of core pulling and open mold method |
| CN210477634U (en) * | 2019-06-10 | 2020-05-08 | 成都航天模塑股份有限公司成都模具分公司 | Double-color plastic mold |
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2023
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104859090A (en) * | 2015-04-17 | 2015-08-26 | 滁州市杰伦特模具塑胶有限公司 | Automobile windshield wiper grille molding method and injection mold for implementing method |
| CN205588574U (en) * | 2016-01-29 | 2016-09-21 | 上海戈冉泊精模科技有限公司 | Injection mold of two - color plastic goods of equal difference of front and back mould |
| CN108215092A (en) * | 2018-02-02 | 2018-06-29 | 嘉兴信元精密模具科技有限公司 | A kind of delay Double-color injection mold structure of core pulling and open mold method |
| CN210477634U (en) * | 2019-06-10 | 2020-05-08 | 成都航天模塑股份有限公司成都模具分公司 | Double-color plastic mold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120645372A (en) * | 2025-06-11 | 2025-09-16 | 东莞市扬锐精密五金电子有限公司 | Forming die and forming method for automobile laser radar protective shell |
| CN120645372B (en) * | 2025-06-11 | 2025-12-23 | 东莞市扬锐精密五金电子有限公司 | Forming die and forming method for automobile laser radar protective shell |
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