CN216732749U - Injection mold for automotive interior parts - Google Patents
Injection mold for automotive interior parts Download PDFInfo
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- CN216732749U CN216732749U CN202122796167.1U CN202122796167U CN216732749U CN 216732749 U CN216732749 U CN 216732749U CN 202122796167 U CN202122796167 U CN 202122796167U CN 216732749 U CN216732749 U CN 216732749U
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- connecting block
- injection mold
- insert
- automotive interior
- interior spare
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Abstract
The utility model discloses an injection mold for automotive upholstery, which is characterized in that: advance jiao kou (2) including injection molding chamber (8) and two, injection molding chamber (8) are used for moulding plastics product (1) that thin wall appears, product (1) is including decorative body (3) and a plurality of connecting block (4), and is a plurality of connecting block (4) set up along decorative body (3), and are a plurality of connecting block (4) are including a big connecting block (4.1), the middle section of decorative body (3), two are located in big connecting block (4.1) advance jiao kou (2) and locate the both sides of big connecting block (4.1) respectively. The utility model provides an injection mold for automotive upholstery, which can ensure that the intersection position of sizing materials has certainty and exhaust is convenient in the injection molding process, so that the product quality is ensured.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to an injection mold for automotive upholstery.
Background
When a product with a small thickness or a small diameter is subjected to injection molding, in order to improve the injection molding efficiency and avoid the condition that the glue material is cooled and solidified in advance in the flowing process of the glue material in the injection molding cavity, a plurality of glue inlets are designed along the injection molding cavity.
But under the condition that a plurality of glue inlets advance gluey circumstances simultaneously, the sizing material that the mouth got into is advanced to the difference can form and intersect, and in the process of intersecting, the position of intersecting has the uncertainty, the position of unable accurate design exhaust groove will lead to the air of the intracavity of originally moulding plastics the difficult condition of exhaust can appear, under the condition of high pressure injection moulding, though can guarantee that the sizing material still fills plumpnedly in the intersection, the density of sizing material can appear the condition on the low side, thereby lead to appearing unqualified condition when the product is electroplated easily, be unfavorable for the manufacturing cost of control product and the application of product.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the automobile interior trim part injection mold can ensure that the intersection position of the sizing material has certainty, and is convenient for exhaust in the injection molding process, so that the product quality is ensured.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides an automotive interior spare injection mold, advances jiao kou including moulding plastics chamber and two, mould plastics the chamber and be used for moulding plastics the product of thin-walled shape, the product includes decorative body and a plurality of connecting block, and is a plurality of the connecting block sets up along decorative body, and is a plurality of the connecting block includes a big connecting block, the middle section of decorative body, two are located to big connecting block advance jiao kou and locate the both sides of big connecting block respectively.
Compared with the prior art, the utility model has the advantages that: utilize the big connecting block structural feature of product itself, make and advance gluey mouth from two and get into sizing material and intersect in big connecting block department to confirm the position that the sizing material intersected, then carry out the exhaust design in big connecting block department, thereby avoided the sizing material to appear the condition that density is low on the low side when filling, guaranteed the follow-up electroplating quality of product, in order to ensure product quality.
As an improvement of the utility model, the plurality of connecting blocks also comprise two small connecting blocks, the two small connecting blocks are respectively arranged at two sides of the large connecting block, the two glue inlets are connected with the two small connecting blocks, each connecting block can be an injection molding point which is easy to have injection molding defects during injection molding through the improvement, and the two small connecting blocks are selected to be connected with the glue inlets, so that the injection molding difficulty of the two small connecting blocks can be reduced, and the product is easier to be qualified.
As an improvement of the utility model, the flow channels from the two small connecting blocks to the large connecting block are equidistant, and the glue material junction can be positioned at the large connecting block by the improvement.
As an improvement of the utility model, one side of each of the connecting blocks for installation is provided with a connecting insert, a connecting cavity for molding the connecting insert is arranged in the injection molding cavity, and the bottom of the connecting cavity is provided with an exhaust groove.
As an improvement of the utility model, the large connecting block is provided with a plurality of connecting inserts, the stability of the large connecting block is stronger when the large connecting block is connected through the improvement, meanwhile, the design of the plurality of connecting inserts can be correspondingly designed, when glue materials are crossed at the large connecting block, air in an injection molding cavity at the large connecting block can be exhausted by selecting any exhaust groove, the stability of the exhaust is ensured, and the condition that the connecting cavity of one forming connecting insert is sealed and other air in the injection molding cavity cannot be exhausted can not occur.
As an improvement of the utility model, the other side of the connecting block, which is far away from the connecting insert, is provided with the first reinforcing rib, the first reinforcing rib corresponds to the connecting block, and through the improvement, due to the design of the connecting insert, after injection molding, a phenomenon of reduction printing can occur, namely, a reduction printing groove can be formed on the other side of the connecting insert by the connecting block, so that the strength balance of the connecting block at the connecting insert is damaged, the strength is lower, and when the connecting insert is installed or disassembled, the joint of the connecting insert and the connecting block is easy to break, and through the design of the first reinforcing rib, the connecting strength of the connecting insert and the connecting block can be enhanced, and the use quality of products is ensured.
The connecting insert is in a sheet shape, the two sides of the connecting insert are provided with the second reinforcing ribs, the extending direction of the second reinforcing ribs is arranged along the inserting direction of the connecting insert, the second reinforcing ribs are arranged on the connecting insert, through the improvement, the connecting position of the connecting insert and the connecting block is the place which is most prone to fracture, the strength of the connecting insert can be enhanced through the design of the second reinforcing ribs, and the connecting insert is prevented from being bent and fractured.
The connecting insert is in a sheet shape, the third reinforcing ribs are arranged on two sides of the connecting insert, the extending direction of the third reinforcing ribs is parallel to the connecting insert, and the third reinforcing ribs are arranged on the connecting block.
As an improvement of the utility model, the connecting block is provided with a connecting hole for installation, the connecting hole comprises a counter bore and a through hole, an upper connecting column for forming the counter bore and a lower connecting column for forming the through hole are arranged in the injection molding cavity, the upper connecting column is connected with the front mold core, the lower connecting column is connected with the rear mold core, and the forming of the counter bore and the through hole is realized through the improvement.
As an improvement of the utility model, the width of the counter bore is larger than that of the through hole, and a clamping groove structure is formed through the improvement, so that the connection is convenient.
Drawings
FIG. 1 is a schematic view of the structure of a molded product of the compound of the present invention.
FIG. 2 is a schematic view of the connecting insert of the present invention.
Fig. 3 is a schematic front view of the connecting cavity of the present invention.
FIG. 4 is a schematic diagram of the side view of the connecting cavity of the present invention.
FIG. 5 is a schematic view of the upper connecting column and the lower connecting column of the present invention.
Shown in the figure: 1. the product, 2, advance jiao kou, 3, the decorative body, 4, the connecting block, 4.1, big connecting block, 4.2, little connecting block, 4.3, connect and insert, 4.4, the connecting hole, 4.4.1, the counter bore, 4.4.2, the through hole, 5, first strengthening rib, 6, the second strengthening rib, 7, the third strengthening rib, 8, the chamber of moulding plastics, 8.1, the connection chamber, 8.2, the air discharge duct, 8.3, go up the spliced pole, 8.4, lower spliced pole, 9, front mould benevolence, 10, back mould benevolence.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, an automotive interior spare injection mold advances jiao kou 2 including moulding plastics chamber 8 and two, mould plastics chamber 8 and be used for moulding plastics product 1 of thin-walled shape, product 1 includes decorative body 3 and a plurality of connecting block 4, and is a plurality of connecting block 4 sets up along decorative body 3, and is a plurality of connecting block 4 includes a big connecting block 4.1, the middle section of decorative body 3 is located to big connecting block 4.1, two advance jiao kou 2 and locate the both sides of big connecting block 4.1 respectively, and is a plurality of connecting block 4 still includes two little connecting blocks 4.2, and the both sides of big connecting block 4.1 are located respectively to two little connecting blocks 4.2, two advance jiao kou 2 and link to each other with two little connecting blocks 4.2, and two little connecting blocks 4.2 equal to the runner distance of big connecting block 4.1.
As shown in fig. 1-4, one side of a plurality of connecting blocks 4 for mounting is provided with a connecting insert 4.3, a connecting cavity 8.1 for molding the connecting insert 4.3 is arranged in the injection molding cavity 8, an exhaust groove 8.2 is arranged at the bottom of the connecting cavity 8.1, a plurality of connecting inserts 4.3 are arranged on the large connecting block 4.1, a first reinforcing rib 5 is arranged on the other side of the connecting block 4 far away from the connecting inserts 4.3, the first reinforcing ribs 5 correspond to the connecting blocks 4, the connecting inserts 4.3 are flaky, the second reinforcing ribs 6 are arranged on two sides of the connecting inserts 4.3, the extending direction of the second reinforcing ribs 6 is arranged along the inserting direction of the connecting insert 4.3, the second reinforcing ribs 6 are arranged on the connecting insert 4.3, and third reinforcing ribs 7 are further arranged on two sides of the connecting insert 4.3, the extending direction of the third reinforcing ribs 7 is parallel to the connecting insert 4.3, and the third reinforcing ribs 7 are arranged on the connecting block 4.
As shown in fig. 1 and 5, a connecting hole 4.4 for installation is formed in the connecting block 4, the connecting hole 4.4 includes a counter bore 4.4.1 and a through hole 4.4.2, an upper connecting column 8.3 for forming the counter bore 4.4.1 and a lower connecting column 8.4 for forming the through hole 4.4.2 are arranged in the injection molding cavity 8, the upper connecting column 8.3 is connected with the front mold core 9, the lower connecting column 8.4 is connected with the rear mold core 10, and the width of the counter bore 4.4.1 is greater than the width of the through hole 4.4.2.
In the injection molding process, two glue inlets 2 need to be filled with glue at the same time.
In the processes of die assembly, injection molding, die separation and demolding, the execution structure of the injection molding machine is similar to that of a conventional injection mold, a driving oil cylinder is arranged for driving a front die core 9 to carry out die assembly and die separation, and an ejector pin is arranged for demolding a product 1 from an injection molding cavity 8.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the utility model as defined by the independent claims are intended to be embraced therein.
Claims (10)
1. The utility model provides an automotive interior spare injection mold which characterized in that: advance jiao kou (2) including moulding plastics chamber (8) and two, mould plastics chamber (8) and be used for moulding plastics product (1) of thin-walled shape, product (1) is including decorative body (3) and a plurality of connecting block (4), and is a plurality of connecting block (4) set up along decorative body (3), and are a plurality of connecting block (4) are including a big connecting block (4.1), the middle section of decorative body (3), two are located in big connecting block (4.1) advance jiao kou (2) and locate the both sides of big connecting block (4.1) respectively.
2. The automotive interior spare injection mold of claim 1, characterized in that: the connecting blocks (4) further comprise two small connecting blocks (4.2), the two small connecting blocks (4.2) are respectively arranged on two sides of the large connecting block (4.1), and the two glue inlets (2) are connected with the two small connecting blocks (4.2).
3. The automotive interior spare injection mold of claim 2, characterized in that: the distances between the flow channels of the two small connecting blocks (4.2) and the flow channels of the large connecting block (4.1) are equal.
4. The automotive interior spare injection mold of claim 1, characterized in that: the connecting block is characterized in that one side, used for installation, of each connecting block (4) is provided with a connecting insert (4.3), a connecting cavity (8.1) used for forming the connecting insert (4.3) is arranged in each injection molding cavity (8), and an exhaust groove (8.2) is formed in the bottom of each connecting cavity (8.1).
5. The automotive interior spare injection mold of claim 4, characterized in that: the large connecting block (4.1) is provided with a plurality of connecting inserts (4.3).
6. The automotive interior spare injection mold of claim 4, characterized in that: the other side of the connecting block (4) far away from the connecting insert (4.3) is provided with a first reinforcing rib (5), and the first reinforcing rib (5) corresponds to the connecting block (4).
7. The automotive interior spare injection mold of claim 4, characterized in that: the connecting insert (4.3) is sheet-shaped, the two sides of the connecting insert (4.3) are provided with second reinforcing ribs (6), the extending direction of the second reinforcing ribs (6) is arranged along the inserting direction of the connecting insert (4.3), and the second reinforcing ribs (6) are arranged on the connecting insert (4.3).
8. The automotive interior spare injection mold of claim 4, characterized in that: the connecting insert (4.3) is sheet-shaped, third reinforcing ribs (7) are arranged on two sides of the connecting insert (4.3), the extending direction of the third reinforcing ribs (7) is parallel to the connecting insert (4.3), and the third reinforcing ribs (7) are arranged on the connecting block (4).
9. The automotive interior spare injection mold of claim 1, characterized in that: be equipped with connecting hole (4.4) that are used for the installation on connecting block (4), connecting hole (4.4) include counter bore (4.4.1) and through hole (4.4.2), be equipped with in injection molding chamber (8) and be used for last spliced pole (8.3) of shaping counter bore (4.4.1) and be used for lower spliced pole (8.4) of shaping through hole (4.4.2), it links to each other with front mould benevolence (9) to go up spliced pole (8.3), lower spliced pole (8.4) link to each other with back mould benevolence (10).
10. The automotive interior spare injection mold of claim 9, characterized in that: the width of the counter bore (4.4.1) is larger than that of the through hole (4.4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122796167.1U CN216732749U (en) | 2021-11-15 | 2021-11-15 | Injection mold for automotive interior parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122796167.1U CN216732749U (en) | 2021-11-15 | 2021-11-15 | Injection mold for automotive interior parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216732749U true CN216732749U (en) | 2022-06-14 |
Family
ID=81929797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122796167.1U Active CN216732749U (en) | 2021-11-15 | 2021-11-15 | Injection mold for automotive interior parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216732749U (en) |
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2021
- 2021-11-15 CN CN202122796167.1U patent/CN216732749U/en active Active
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