CN108819126B - Injection mold of automobile decoration - Google Patents
Injection mold of automobile decoration Download PDFInfo
- Publication number
- CN108819126B CN108819126B CN201810828316.8A CN201810828316A CN108819126B CN 108819126 B CN108819126 B CN 108819126B CN 201810828316 A CN201810828316 A CN 201810828316A CN 108819126 B CN108819126 B CN 108819126B
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- mold
- cavity
- insert
- core
- mold core
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
-
- 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
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of automobile accessory production, in particular to an injection mold of an automobile ornament, which comprises a fixed mold seat plate, a fixed mold assembly arranged on the fixed mold seat plate, a movable mold seat plate and a movable mold assembly arranged on the movable mold seat plate, wherein the fixed mold assembly comprises a fixed mold plate, a first mold core and a second mold core; the fixed die plate is provided with a first cavity, and the first die core is embedded in the first cavity; the first mold core is provided with a second cavity, and the second mold core is embedded in the second cavity; the second mold core is provided with a cavity penetrating through the upper end face and the lower end face, and the side wall of the second mold core is attached to the wall body of the second cavity; through dividing into two parts with the mold core, realize carrying out the production of processing procedures such as wire-electrode cutting, grinding, polishing to two mold cores simultaneously, improve production efficiency, select suitable processing clout processing second mold core, improve the utilization ratio of mold core consumptive material, satisfy the requirement that improves production efficiency and reduction in production cost.
Description
Technical Field
The invention relates to the technical field of automobile accessory production, in particular to an injection mold of an automobile decoration.
Background
The plastic part is applied to different fields by the characteristics of light weight, changeable shape and structure and strong bearing capacity, especially the application of the automobile decoration part is wider, but the automobile decoration part has the characteristic of a curved surface with a larger radian, and in the corresponding mould manufacturing process, the mould core with a larger specification is required to be matched, so that the manufacturing cost of the mould is high, and in the processing process of the mould core, the processing is inconvenient, the production period is long and the processing difficulty is improved due to the characteristic of larger volume of the mould core.
Disclosure of Invention
In order to overcome the defect of high processing and manufacturing cost of the automobile decoration in the prior art, the invention aims to provide the injection mold for the automobile decoration, which reduces the manufacturing cost of the mold, shortens the production period and reduces the production cost.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the injection mold comprises a fixed mold seat plate, a fixed mold assembly arranged on the fixed mold seat plate, a movable mold seat plate and a movable mold assembly arranged on the movable mold seat plate, wherein the fixed mold assembly comprises a fixed mold plate, a first mold core and a second mold core;
the fixed die plate is provided with a first cavity, and the first die core is embedded in the first cavity;
the first mold core is provided with a second cavity, and the second mold core is embedded in the second cavity;
The second mold core is provided with a cavity penetrating through the upper end face and the lower end face, and the side wall of the second mold core is attached to the wall body of the second cavity.
Further, the second mold core comprises a first insert, a second insert and a plurality of third inserts, and the third inserts are arranged between the first insert and the second insert.
Further, the first insert and the second insert are both U-shaped, and the third insert is strip-shaped.
Further, the depth of the first insert embedded in the second cavity is larger than that of the second insert embedded in the second cavity;
the depth of the third insert embedded in the second cavity is smaller than that of the first insert embedded in the second cavity, and the depth of the third insert embedded in the second cavity is larger than or equal to that of the second insert embedded in the second cavity.
Further, the first insert is in interference fit with the third insert, and the second insert is in interference fit with the third insert.
Further, the upper surface of the second mold core protrudes out of the upper surface of the first mold core, and the upper surface of the first mold core protrudes out of the upper surface of the fixed mold plate.
Further, the movable die assembly comprises a movable die plate and a third die core, wherein the movable die plate is provided with a third cavity, and the third die core is embedded in the third cavity and connected with the movable die plate.
Further, the surface of the third mold core is lower than the surface of the movable mold plate, the surface of the first mold core is attached to the surface of the third mold core, and the second mold core is accommodated in the third cavity.
The invention has the beneficial effects that: through dividing into two parts with the mold core, realize carrying out the production of processing procedures such as wire-electrode cutting, grinding, polishing to two mold cores simultaneously, improve production efficiency, select suitable processing clout processing second mold core, improve the utilization ratio of mold core consumptive material, satisfy the requirement that improves production efficiency and reduction in production cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a stationary mold assembly according to the present invention;
FIG. 3 is a schematic view of a fixed mold assembly disassembly structure of the present invention;
FIG. 4 is a schematic view of a second mold core structure according to the present invention;
FIG. 5 is a schematic view of a moving module assembly according to the present invention;
Fig. 6 is a schematic diagram showing a split structure of the movable module assembly according to the present invention.
The reference numerals include:
1-fixed die seat plate 2-fixed die assembly 21-fixed die plate
211-First cavity 22-first core 221-second cavity
23-Second mold core 231-cavity 2301-first insert
2302-Second insert 2303-third insert 3-movable die holder plate
4-Moving die assembly 41-moving die plate 411-third die cavity
42-Third mold core 100-work piece.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 6, an injection mold for an automobile decoration part of the present invention includes a fixed mold base plate 1, a fixed mold assembly 2 disposed on the fixed mold base plate 1, a movable mold base plate 3, and a movable mold assembly 4 disposed on the movable mold base plate 3, wherein the fixed mold assembly 2 includes a fixed mold plate 21, a first mold core 22, and a second mold core 23;
the fixed die plate 21 is provided with a first die cavity 211, and the first die core 22 is embedded in the first die cavity 211;
the first mold core 22 is provided with a second cavity 221, and the second mold core 23 is embedded in the second cavity 221;
The second mold core 23 is provided with a cavity 231 penetrating through the upper and lower end surfaces, and the side wall of the second mold core 23 is attached to the wall of the second cavity 221.
Specifically, in this embodiment, the workpiece 100 is an automotive trim part that needs to be processed and produced, one end of the workpiece 100 is curved, which results in a larger size of the workpiece 100 in the height direction, so that in the mold manufacturing process, a larger-sized mold core is required to meet the manufacturing conditions, the mold core is divided into two parts by the injection mold of the automotive trim part, namely, the first mold core 22 and the second mold core 23, wherein the first mold core 22 is embedded in the first cavity 211 of the fixed mold plate 21, the second mold core 23 is embedded in the second cavity 221 of the first mold core 22, and the two mold cores are arranged, so that the respective processing of the mold cores is realized, that is, the first mold core 22 and the second mold core 23 can simultaneously perform the processing and production of the procedures of wire cutting, polishing, and the like, and meanwhile, the production material cost is reduced, and due to the smaller size of the second mold core 23, suitable processing residues can be selected for processing, and the utilization rate of the material consumption of the mold cores is improved.
Through dividing into two parts with the mold core, realize carrying out the production of processing procedures such as wire-electrode cutting, grinding, polishing to two mold cores simultaneously, improve production efficiency, select suitable processing clout processing second mold core, improve the utilization ratio of mold core consumptive material, satisfy the requirement that improves production efficiency and reduction in production cost.
The second mold core 23 includes a first insert 2301, a second insert 2302, and a plurality of third inserts 2303, the third inserts 2303 being disposed between the first insert 2301 and the second insert 2302.
The first insert 2301 and the second insert 2302 are both U-shaped, and the third insert 2303 is strip-shaped.
The number of the first inserts 2301 is one, the first inserts 2301 are U-shaped, the number of the second inserts 2302 is one, the second inserts 2303 are U-shaped, the third inserts 2303 are two, the first inserts 2301, the second inserts 2302 and the third inserts 2303 are arranged in a surrounding mode to form a shape of a mouth to form a second mold core 23, in the whole set of the mold, the material cost of different parts is different, especially the unit price cost of the mold core material is highest, the second mold core 23 is divided into a plurality of sections, and the inserts with different volumes are designed according to the size of the mold core remainder: the first insert 2301, the second insert 2302 and the third insert 2303 further improve the utilization ratio of the mold core consumable, and the maximization of the mold core consumable utilization ratio is realized, and simultaneously, the first insert 2301, the second insert 2302 and the third insert 2303 of three different inserts can be simultaneously processed, so that the processing time is further shortened.
The depth of the first insert 2301 embedded in the second cavity 221 is greater than the depth of the second insert 2302 embedded in the second cavity 221;
The depth of the third insert 2303 embedded in the second cavity 221 is smaller than the depth of the first insert 2301 embedded in the second cavity 221, and the depth of the third insert 2303 embedded in the second cavity 221 is equal to or greater than the depth of the second insert 2302 embedded in the second cavity 221.
The second mold core 23 is divided into three parts for the feature of the workpiece 100 in the vertical height direction: the die comprises a first insert 2301, a third insert 2303 and a second insert 2302, wherein the height specification of the first insert 2301 is larger than the height specification of the third insert 2303, the height specification of the third insert 2303 is larger than or equal to the height specification of the second insert 2302, the flexibility of processing each part of the die core is realized, the different requirements of different parts of the workpiece 100 are met, the die core is divided, and the processing difficulty of the die core is reduced.
The first insert 2301 is in interference fit with the third insert 2303, the second insert 2302 is in interference fit with the third insert 2303, gaps are avoided between the inserts, and sizing material flows into the gaps to affect the qualification rate of the workpiece 100.
The upper surface of the second mold core 23 protrudes from the upper surface of the first mold core 22, and the upper surface of the first mold core 22 protrudes from the upper surface of the fixed mold plate 21.
The movable mold assembly 4 comprises a movable mold plate 41 and a third mold core 42, wherein the movable mold plate 41 is provided with a third cavity 411, and the third mold core 42 is embedded in the third cavity 411 and is connected with the movable mold plate 41.
The surface of the third mold core 42 is lower than the surface of the movable mold plate 41, the surface of the first mold core 22 is attached to the surface of the third mold core 42, and the second mold core 23 is accommodated in the third cavity 411.
When the fixed die assembly 2 and the movable die assembly 4 are pressed, the first die core 22 and the third die core 42 are closed to form a molding die cavity, the first die core 22 protrudes out of the upper surface of the fixed die plate 21, a part of the first die core 22 is embedded in the third die cavity 411, the dislocation phenomenon when the first die core 22 and the third die core 42 are combined is avoided, and meanwhile, external air is prevented from entering the molding die cavity through a gap between the movable die plate 41 and the fixed die plate 21, so that the purpose of improving the qualification rate of the workpiece 100 is achieved.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (5)
1. The utility model provides an injection mold of automobile decoration, includes cover half bedplate (1), locates cover half subassembly (2) of cover half bedplate (1), movable mould bedplate (3) and locates movable mould subassembly (4) of movable mould bedplate (3), its characterized in that: the fixed die assembly (2) comprises a fixed die plate (21), a first die core (22) and a second die core (23);
the fixed die plate (21) is provided with a first die cavity (211), and the first die core (22) is embedded in the first die cavity (211);
The first mold core (22) is provided with a second cavity (221), and the second mold core (23) is embedded in the second cavity (221);
The second mold core (23) is provided with a cavity (231) penetrating through the upper end face and the lower end face, and the side wall of the second mold core (23) is attached to the wall body of the second cavity (221);
The second mold core (23) comprises a first insert (2301), a second insert (2302) and a plurality of third inserts (2303), wherein the third inserts (2303) are arranged between the first inserts (2301) and the second inserts (2302);
the first insert (2301) and the second insert (2302) are both U-shaped, and the third insert (2303) is strip-shaped;
the depth of the first insert (2301) embedded in the second cavity (221) is larger than the depth of the second insert (2302) embedded in the second cavity (221); the depth of the third insert (2303) embedded in the second cavity (221) is smaller than the depth of the first insert (2301) embedded in the second cavity (221), and the depth of the third insert (2303) embedded in the second cavity (221) is larger than or equal to the depth of the second insert (2302) embedded in the second cavity (221).
2. The injection mold of an automotive trim part according to claim 1, characterized in that: the first insert (2301) is interference fit with the third insert (2303), and the second insert (2302) is interference fit with the third insert (2303).
3. The injection mold of an automotive trim part according to claim 1, characterized in that: the upper surface of the second mold core (23) protrudes out of the upper surface of the first mold core (22), and the upper surface of the first mold core (22) protrudes out of the upper surface of the fixed mold plate (21).
4. An injection mold for automotive trim parts according to claim 3, characterized in that: the movable die assembly (4) comprises a movable die plate (41) and a third die core (42), wherein the movable die plate (41) is provided with a third die cavity (411), and the third die core (42) is embedded in the third die cavity (411) and is connected with the movable die plate (41).
5. The injection mold of an automotive trim part of claim 4, wherein: the surface of the third mold core (42) is lower than the surface of the movable mold plate (41), the surface of the first mold core (22) is attached to the surface of the third mold core (42), and the second mold core (23) is accommodated in the third cavity (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828316.8A CN108819126B (en) | 2018-07-25 | 2018-07-25 | Injection mold of automobile decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828316.8A CN108819126B (en) | 2018-07-25 | 2018-07-25 | Injection mold of automobile decoration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108819126A CN108819126A (en) | 2018-11-16 |
| CN108819126B true CN108819126B (en) | 2024-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828316.8A Active CN108819126B (en) | 2018-07-25 | 2018-07-25 | Injection mold of automobile decoration |
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| Country | Link |
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| CN (1) | CN108819126B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501168A (en) * | 2018-12-27 | 2019-03-22 | 东莞广泽汽车饰件有限公司 | A kind of vacuum suction formula injection mold |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108819126A (en) | 2018-11-16 |
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