CN219634392U - Injection mold for thick-wall products - Google Patents
Injection mold for thick-wall products Download PDFInfo
- Publication number
- CN219634392U CN219634392U CN202320871371.1U CN202320871371U CN219634392U CN 219634392 U CN219634392 U CN 219634392U CN 202320871371 U CN202320871371 U CN 202320871371U CN 219634392 U CN219634392 U CN 219634392U
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- China
- Prior art keywords
- wall
- thin
- core
- thick
- thickening
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 230000008719 thickening Effects 0.000 claims abstract description 35
- 238000013461 design Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 32
- 238000001746 injection moulding Methods 0.000 abstract description 17
- 238000012545 processing Methods 0.000 abstract description 14
- 239000011265 semifinished product Substances 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000465 moulding Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a thick-wall product injection mold which comprises a movable mold and a fixed mold matched with the movable mold, wherein a thin-wall core and a thickening core are arranged on a movable core plate of the fixed mold side by side, and a thin-wall cavity and a thickening cavity corresponding to the thin-wall core and the thickening core are arranged on a shaping cavity plate of the movable mold. The utility model has reasonable structural design, the thin-wall core and the thickening core are directly integrated on one set of mould, the thin-wall semi-finished product is injection molded on the thin-wall core, then the thin-wall semi-finished product is transferred to the thickening core for thin-wall injection molding thickening to form a thick-wall product, the transfer path is short, the possibility of adhering dust or foreign matters is reduced, the quality of the product is improved, in addition, the thin-wall core is consistent with the thickening core in structure, the same process and processing mode can be adopted during processing, the processing efficiency and processing precision are improved, the placement precision and concentricity of the thin-wall semi-finished product are also improved, the quality of the product is ensured, and the integral aesthetic degree of the product is further improved.
Description
Technical Field
The utility model relates to a mold, in particular to an injection mold for a thick-wall product.
Background
The traditional injection molding production process is to directly inject plastic into a mold for molding to obtain a plastic product, but some plastic products have special structures, for example, the plastic product has thick glue positions, so that the general injection molding process is difficult to produce the type of products, the appearance of the products cannot meet the requirements of customers, and defects such as shrinkage holes, shrinkage marks, welding marks and the like are very easy to occur.
Along with the continuous improvement of the technological level, the requirements of people on the appearance quality of products are more strict. In the design process of the plastic mold, layered injection molding is adopted for transparent products with thick glue positions so as to solve the problem caused by thick glue positions. Firstly, one layer of injection molding is carried out on one layer of mold, then the mold is moved to two layers of molds, and then one layer of injection molding is carried out, two sets of molds and two injection molding machines are needed to be configured, so that the occupied space is large, the transfer process time is long, the path is long, time and labor are wasted, dust or foreign matters are easy to adhere, and the product quality is difficult to guarantee.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the injection mold for the thick-wall product, which has reasonable structure and can produce the thick-wall product and improve the quality of the product.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a thick wall product injection mold, its includes the movable mould and with the cover half of this movable mould looks adaptation, the cover half includes according to from last fixed die seat, fixed hot runner board and the design cavity board of ascending order in proper order, the movable mould includes according to from down supreme movable die seat, backing plate, side seat and the movable core board of ascending order in proper order, be equipped with thin wall core and thickening core side by side on the movable core board, be equipped with on the design cavity board with thin wall die cavity and the thickening die cavity that thin wall core, thickening core correspond, the thickening die cavity constitutes the thickening injection space that is greater than thin wall core and thin wall die cavity constitutes.
As a preferable scheme of the utility model, the thin-wall core and the thickened core have the same structure, and the processing technology and equipment can be directly reused, so that the adjustment of the processing flow caused by the structural change of the core is avoided, the production cost is reduced, the production efficiency is improved, and the precision and concentricity are also improved.
As a preferable scheme of the utility model, two thin-wall forming concave positions are arranged on the thin-wall core side by side, the two thin-wall forming concave positions are communicated through a thin-wall flow dividing channel, and two thin-wall main flow channels are arranged on the thin-wall cavity corresponding to the two thin-wall forming concave positions. The two thin-wall forming concave positions are formed, so that the simultaneous forming can be realized on the premise of ensuring the product quality, and the production efficiency is improved.
As a preferable scheme of the utility model, the thickening core is provided with two thick-wall forming concave positions side by side, and the two thick-wall forming concave positions are communicated through a thick-wall lower flow dividing channel. The thick-wall upper flow dividing channel corresponding to the thick-wall lower flow dividing channel is arranged on the thickening cavity, and the middle part of the thick-wall upper flow dividing channel is connected with a thick-wall main channel. The shape of the thick-wall lower sub-runner is S-shaped. The melt flows in different directions, so that the generation of bubbles can be eliminated well, and the surface quality and the forming efficiency of the formed product are improved.
As a preferable scheme of the utility model, the movable core plate is provided with a positioning lug, and the shaping cavity plate is provided with a positioning concave block matched with the positioning lug. When the die is assembled, the positioning concave block is matched with the positioning convex block, so that position deviation or inclination is avoided, and the die assembling precision is improved.
The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, the thin-wall core and the thickening core are directly integrated on one set of mould, the thin-wall semi-finished product is injection molded on the thin-wall core, then the thin-wall semi-finished product is transferred to the thickening core for thin-wall injection molding thickening to form a thick-wall product, the thick-wall product can be obtained by continuously repeating and once mould opening, the path of transferring the thin-wall semi-finished product to the thickening core is short, the possibility of adhering dust or foreign matters is greatly reduced, the quality of the product is improved, in addition, the thin-wall core is consistent with the structure of the thickening core, the same process and processing mode can be adopted during processing, the processing efficiency and processing precision can be improved, the placement precision and concentricity of the thin-wall semi-finished product are also improved, the quality of the product is ensured, and the integral aesthetic degree of the product is further improved.
The utility model will be further described with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the present utility model when the mold is opened.
Fig. 3 is a schematic structural view of a stationary mold in the present utility model.
Fig. 4 is a schematic cross-sectional view of the structure of fig. 3 in the direction A-A.
Fig. 5 is a schematic sectional view of the structure in the direction B-B in fig. 3.
Fig. 6 is a schematic view of the movable mold in fig. 3.
Detailed Description
Referring to fig. 1 and 6, the injection mold for thick-wall products provided in this embodiment includes a movable mold 1 and a fixed mold 2 adapted to the movable mold 1.
The fixed mold 2 comprises a fixed mold seat 21, a fixed hot runner plate 22 and a fixed cavity plate 23 which are sequentially stacked from top to bottom.
The movable die 1 comprises a movable die holder 11, a base plate 12, a side seat 13 and a movable core plate 14 which are sequentially stacked from bottom to top. Preferably, the shaped core plate 14 is provided with a positioning protruding block, and the shaped cavity plate 23 is provided with a positioning concave block matched with the positioning protruding block. When the die is assembled, the positioning concave block is matched with the positioning convex block, so that position deviation or inclination is avoided, and the die assembling precision is improved.
The thin-wall core 15 and the thickening core 16 are arranged on the movable core plate 14 side by side, the thin-wall cavity 24 and the thickening cavity 25 corresponding to the thin-wall core 15 and the thickening core 16 are arranged on the shaping cavity plate 23, and a thickening injection molding space formed by the thickening core 16 and the thickening cavity 25 is larger than a thin-wall injection molding space formed by the thin-wall core 15 and the thin-wall cavity 24. The thin-wall core 15 and the thickened core 16 have the same structure, and can directly reuse the processing technology and equipment, thereby avoiding the adjustment of the processing flow caused by the structural change of the core, reducing the production cost, improving the production efficiency, and improving the precision and concentricity.
In order to improve the production efficiency, two thin-wall forming concave positions 151 are arranged on the thin-wall core 15 side by side, the two thin-wall forming concave positions 151 are communicated through a thin-wall sub-runner 152, and the shape of the thin-wall sub-runner 152 is S-shaped, so that the thin-wall core 15 and the thickened core 16 are consistent in structure, the processing technology and equipment can be directly reused, the adjustment of the processing flow caused by the change of the core structure is avoided, the production cost is reduced, the production efficiency is improved, and the precision and concentricity are also improved. Two thin-wall main runners 241 are provided on the thin-wall cavity 24 corresponding to the two thin-wall molding recesses 151. The two thin-wall forming concave positions 151 are formed, so that the simultaneous forming can be realized and the production efficiency is improved on the premise of ensuring the product quality.
Correspondingly, two thick-wall molding concave positions 161 are arranged on the thickening core 16 in parallel, and the two thick-wall molding concave positions 161 are communicated through a thick-wall lower flow dividing channel 162. The thickened cavity 25 is provided with a thick-wall upper runner 251 corresponding to the thick-wall lower runner 162, and a thick-wall main runner 252 is connected to the middle part of the thick-wall upper runner 251. The thick-walled lower shunt 162 is S-shaped in shape. The melt flows in different directions, so that the generation of bubbles can be eliminated well, and the surface quality and the forming efficiency of the formed product are improved.
In injection molding, taking an injection molding product with the wall thickness of 19.74mm as an example, firstly injecting sizing material into a thin-wall injection molding space to form a thin-wall semi-finished product 3 with the wall thickness of 11mm, then opening a mold, taking out the thin-wall semi-finished product 3 by a manipulator, directly placing the thin-wall semi-finished product on a thickening mold core 16, closing the mold to form a thickening injection molding space, then injecting sizing material into the thickening injection molding space to thicken the wall of the thin-wall semi-finished product 3 by 8.74mm, and finally obtaining a thick-wall injection molding product 4 with the wall thickness of 19.74mm, wherein the whole injection molding process approximately needs 220 seconds, the production efficiency is effectively improved, the product has no defects of shrinkage cavity, water shrinkage mark, welding mark and the like, the quality is ensured, and the enterprise competitiveness is improved.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are used for convenience of description only and do not limit the present utility model in any way, and the same or similar apparatus is used within the scope of the present utility model.
Claims (8)
1. The utility model provides a thick wall product injection mold, its includes movable mould and the cover half with this movable mould looks adaptation, its characterized in that, the cover half includes fixed die holder, fixed hot runner board and the design cavity board of superpose in proper order from top to bottom, the movable mould includes movable die holder, backing plate, side seat and the movable core board of superpose in proper order from bottom to top, be equipped with thin wall core and thickening core side by side on the movable core board, be equipped with on the design cavity board with thin wall die cavity and the thickening die cavity that thin wall core, the corresponding of thickening core, thickening die cavity constitute thicken injection space is greater than thin wall injection space that thin wall core and thin wall die cavity constitute.
2. The thick-walled product injection mold of claim 1, wherein: the thin-wall core is consistent with the thickened core in structure.
3. The thick-walled product injection mold of claim 1, wherein: two thin-wall forming concave positions are arranged on the thin-wall core side by side and are connected through a thin-wall flow dividing channel, and two thin-wall main flow channels are arranged on the thin-wall cavity corresponding to the two thin-wall forming concave positions.
4. A thick-walled product injection mold according to claim 3, characterized in that: the thin-wall sub-runner is S-shaped.
5. The thick-walled product injection mold of claim 1, wherein: two thick-wall forming concave positions are arranged on the thickening core side by side and are connected through a thick-wall lower flow dividing channel.
6. The thick-walled product injection mold of claim 5, wherein: the thick-wall upper flow dividing channel corresponding to the thick-wall lower flow dividing channel is arranged on the thickening cavity, and the middle part of the thick-wall upper flow dividing channel is connected with a thick-wall main channel.
7. The thick-walled product injection mold of claim 5 or 6, wherein: the shape of the thick-wall lower sub-runner is S-shaped.
8. The thick-walled product injection mold of claim 1, wherein: the shaping cavity plate is provided with a positioning concave block matched with the positioning convex block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320871371.1U CN219634392U (en) | 2023-04-18 | 2023-04-18 | Injection mold for thick-wall products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320871371.1U CN219634392U (en) | 2023-04-18 | 2023-04-18 | Injection mold for thick-wall products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634392U true CN219634392U (en) | 2023-09-05 |
Family
ID=87816328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320871371.1U Active CN219634392U (en) | 2023-04-18 | 2023-04-18 | Injection mold for thick-wall products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634392U (en) |
-
2023
- 2023-04-18 CN CN202320871371.1U patent/CN219634392U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |