CN222290871U - An injection mold that is easy to demould - Google Patents
An injection mold that is easy to demould Download PDFInfo
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- CN222290871U CN222290871U CN202420858317.8U CN202420858317U CN222290871U CN 222290871 U CN222290871 U CN 222290871U CN 202420858317 U CN202420858317 U CN 202420858317U CN 222290871 U CN222290871 U CN 222290871U
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- 238000002347 injection Methods 0.000 title claims abstract description 25
- 239000007924 injection Substances 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims description 44
- 238000001746 injection moulding Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本实用新型涉及注塑模具技术领域，且公开了一种易于脱模的注塑模具，包括动模座，所述动模座的上端固定连接模架，所述模架的上端固定连接导柱，所述动模座的上端设置有脱模板。该易于脱模的注塑模具，斜型芯的内侧设置有复位弹簧和导向柱，初始状态下斜型芯在复位弹簧作用下与型芯本体分离，进行注塑时，在动模本体与定模本体接近的过程中，斜柱插入斜槽内部，随着动模本体与定模本体继续接近，斜柱带动斜型芯向内沿导向柱移动，直至动模本体与定模本体完全接触，此时斜型芯与型芯本体紧触，结构较为巧妙，具有辅助锁紧效果，产品成型后动模本体与定模本体逐渐分离，斜型芯与型芯本体分离，与顶针相配合将产品顶出脱模，脱模顺畅。
The utility model relates to the technical field of injection molds, and discloses an injection mold that is easy to demould, including a movable mold seat, the upper end of the movable mold seat is fixedly connected to a mold frame, the upper end of the mold frame is fixedly connected to a guide column, and the upper end of the movable mold seat is provided with a demoulding plate. In the injection mold that is easy to demould, a reset spring and a guide column are provided on the inner side of the inclined core, and the inclined core is separated from the core body under the action of the reset spring in the initial state. When performing injection molding, in the process of the movable mold body approaching the fixed mold body, the inclined column is inserted into the inside of the inclined groove, and as the movable mold body and the fixed mold body continue to approach, the inclined column drives the inclined core to move inward along the guide column until the movable mold body and the fixed mold body are completely in contact, at which time the inclined core is in close contact with the core body, the structure is relatively ingenious, and has an auxiliary locking effect, after the product is formed, the movable mold body and the fixed mold body are gradually separated, and the inclined core is separated from the core body, and cooperates with the ejector pin to eject the product out of the mold, and the demoulding is smooth.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold easy to demold.
Background
Injection molds are tools used to produce injection molded articles, which are one of the key components of injection molding processes, and are used to manufacture a variety of plastic articles, including plastic parts, assemblies, accessories, containers, packaging, toys, automobile parts, electronics housings, and the like.
CN 209079079U discloses an injection mold, the injection mold is formed by the combination of a front mold and a rear mold of the injection mold, the front mold and the rear mold of the injection mold are matched together to form a mold forming cavity, a plastic solution is injected, and a product is formed after cooling and shaping, in the process of injecting the plastic solution, a buffer is arranged in the process of flowing fluid to change the flow velocity of the plastic solution, so that the phenomenon that the plastic solution generates a stamping trace on the product is reduced, the quality and the appearance of the product are improved, and the yield of the product can be further improved by reducing the stamping trace, but the injection mold is not provided with an auxiliary demoulding structure, the demoulding is dependent on the natural falling of the product, the demoulding efficiency is lower, and the production efficiency is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an injection mold easy to demolding, which can effectively solve the problems that in the prior art, an auxiliary demolding structure is not arranged on the injection mold, a demolding dependent product naturally drops, the demolding efficiency is low, the production efficiency is influenced and the like.
The injection mold comprises a movable mold base, wherein the upper end of the movable mold base is fixedly connected with a mold frame, the upper end of the mold frame is fixedly connected with a guide post, the upper end of the movable mold base is provided with a stripper plate, the upper end of the stripper plate is provided with a sliding column, the outer side of the sliding column is sleeved with a limit spring, the upper end of the stripper plate is fixedly connected with a thimble, the upper end of the mold frame is provided with a movable mold assembly, and the upper end of the movable mold assembly is provided with a fixed mold assembly;
The movable die assembly comprises a movable die body, a first core body, a first cooling pipe, an inclined core, a flat seat, a chute and a second cooling pipe, wherein the core body is arranged at the upper end of the movable die body, the first cooling pipe is arranged in the core body, the inclined core is arranged at the upper end of the movable die body, the flat seat is arranged on the outer side of the inclined core, the chute is arranged at the upper end of the flat seat, and the second cooling pipe is arranged in the inclined core;
The fixed die assembly comprises a fixed die body, a pouring gate, a cavity, an inclined column and a cooling pipe III, the pouring gate is formed in the upper end of the fixed die body, the cavity is formed in the lower end of the fixed die body, the inclined column is fixedly connected to the lower end of the fixed die body, and the cooling pipe III is arranged in the fixed die body.
Preferably, the guide post is in sliding connection with the stripper plate, the upper end of the limiting spring is fixedly connected with the movable die assembly, and the lower end of the limiting spring is fixedly connected with the stripper plate.
Through above-mentioned technical scheme, set up the guide pillar, the upper end of thimble flushes with the core body under the initial condition, fixed connection cylinder between stripper plate and the movable mould body, and the product shaping back starts the cylinder and drives the stripper plate and upwards moves along the traveller, drives the thimble and upwards moves, and spacing spring compression this moment, and the thimble is ejecting the drawing of patterns of product, and the cylinder stroke increases, and spacing spring drives stripper plate and movable mould seat and resets.
Preferably, the inclined core, the flat seat, the chute and the cooling pipe II are provided with the same four groups and are distributed on four sides of the core body, and the inner side of the inclined core is provided with a reset spring and a guide post.
Through the technical scheme, the inclined mold core, the flat seat, the chute and the cooling pipe II are arranged, the reset spring and the guide post are arranged on the inner side of the inclined mold core, the inclined mold core is separated from the mold core body under the action of the reset spring in an initial state, when injection molding is carried out, the inclined mold core is inserted into the chute in the process of approaching the movable mold body and the fixed mold body, the inclined mold core is driven to move inwards along the guide post along with the continuous approaching of the movable mold body and the fixed mold body until the movable mold body and the fixed mold body are in full contact, the inclined mold core is tightly contacted with the mold core body at the moment, the structure is ingenious, the auxiliary locking effect is achieved, the movable mold body and the fixed mold body are separated gradually after product molding, the inclined mold core is separated from the mold core body and matched with the ejector pin, the ejection and the ejection is smooth, and four groups of inclined mold cores are all provided with the independent cooling pipe II and the cooling pipe III and the cooling pipe I.
Preferably, the guide post is in sliding connection with the fixed die body, and the inclined post is matched with the chute.
Through above-mentioned technical scheme, set up the guide pillar, spacing for cover half body and movable mould body, promote the stability of pair mould.
Preferably, the inner wall of the cavity is inclined, and the cavity is matched with the inclined core.
Through above-mentioned technical scheme, the die cavity inner wall is the slope form, and the core body and oblique core constitution core and die cavity cooperate and form the die cavity, and the structure is ingenious.
Compared with the prior art, the utility model provides the injection mold easy to demould, which has the following beneficial effects:
1. This injection mold easy to drawing of patterns has set up oblique core, flat seat, chute and cooling tube II, the inboard of oblique core is provided with reset spring and guide post, oblique core separates with the core body under reset spring effect under the initial condition, when moulding plastics, at the in-process that movable mould body and cover half body are close, the chute is inside to be inserted to the chute, along with movable mould body and cover half body continue to be close, the oblique core of oblique drive inwards follow the guide post and remove, until movable mould body and cover half body contact completely, oblique core and core body tightly touch this moment, the structure is comparatively ingenious, have supplementary locking effect, the movable mould body separates with the cover half body gradually, oblique core separates with the core body, with the ejecting drawing of patterns of product cooperation of thimble, the drawing of patterns is smooth and easy, four sets of oblique cores all are provided with independent cooling tube II, cooperate with cooling tube III and cooling tube I, the cooling effect is good.
Drawings
FIG. 1 is a schematic perspective view of the first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second perspective structure of the present utility model;
FIG. 3 is a schematic perspective view of a third embodiment of the present utility model;
FIG. 4 is a schematic diagram of a split structure according to the present utility model;
fig. 5 is a schematic diagram of a split structure according to the present utility model.
The mold comprises a movable mold seat 1, a movable mold seat 2, a mold frame 3, a guide post 4, a stripper plate 5, a slide column 6, a limit spring 7, a thimble 8, a movable mold assembly 801, a movable mold body 802, a mold core body 803, a cooling pipe I804, an inclined mold core 805, a flat seat 806, a chute 807, a cooling pipe II, a fixed mold assembly 9, 901, a fixed mold body 902, a gate 903, a cavity 904, an inclined column 905 and a cooling pipe III.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-5, The injection mold easy to demold comprises a movable mold base 1, wherein the upper end of the movable mold base 1 is fixedly connected with a mold base 2, the upper end of the mold base 2 is fixedly connected with a guide post 3, the upper end of the movable mold base 1 is provided with a stripper plate 4, the upper end of the stripper plate 4 is provided with a sliding column 5, the outer side of the sliding column 5 is sleeved with a limit spring 6, the upper end of the stripper plate 4 is fixedly connected with a thimble 7, the upper end of the mold base 2 is provided with a movable mold assembly 8, and the upper end of the movable mold assembly 8 is provided with a fixed mold assembly 9.
Specifically, the guide pillar 3 is in sliding connection with the stripper plate 4, the upper end of the limiting spring 6 is fixedly connected with the movable die assembly 8, and the lower end of the limiting spring 6 is fixedly connected with the stripper plate 4. The ejector pin has the advantages that the guide post 3 is arranged, the upper end of the ejector pin 7 is flush with the core body 802 in an initial state, the stripper plate 4 is fixedly connected with the movable die body 801, the ejector pin 4 is driven to move upwards along the sliding column 5 by the starting cylinder after the product is molded, the ejector pin 7 is driven to move upwards, the limiting spring 6 is compressed at the moment, the ejector pin 7 ejects and demolds the product, the cylinder stroke is prolonged, and the limiting spring 6 drives the stripper plate 4 to reset with the movable die holder 1.
Specifically, the movable mold assembly 8 includes a movable mold body 801, a core body 802, a first cooling pipe 803, an inclined core 804, a flat seat 805, a chute 806 and a second cooling pipe 807, the upper end of the movable mold body 801 is provided with the core body 802, the cooling pipe 803 is provided in the core body 802, the inclined core 804 is provided in the upper end of the movable mold body 801, the flat seat 805 is provided in the outer side of the inclined core 804, the chute 806 is provided in the upper end of the flat seat 805, and the second cooling pipe 807 is provided in the inclined core 804. The movable mold assembly 8 is arranged and matched with the fixed mold assembly 9 for injection molding.
Specifically, the inclined core 804, the flat seat 805, the inclined groove 806 and the cooling tube two 807 are provided with the same four groups, are distributed on four sides of the core body 802, and the inner side of the inclined core 804 is provided with a return spring and a guide post. The movable mold core and the fixed mold body are provided with the inclined mold core 804, the flat seat 805, the chute 806 and the cooling pipe II 807, the inner side of the inclined mold core 804 is provided with the reset spring and the guide post, the inclined mold core 804 is separated from the mold core body 802 under the action of the reset spring in an initial state, when injection molding is carried out, the inclined post 904 is inserted into the chute 806 in the process that the movable mold body 801 is close to the fixed mold body 901, the inclined post 904 drives the inclined mold core 804 to move inwards along the guide post along with the continuous approach of the movable mold body 801 to the fixed mold body 901 until the movable mold body 801 is completely contacted with the fixed mold body 901, the inclined mold core 804 is tightly contacted with the mold core body 802 at the moment, the structure is ingenious, the auxiliary locking effect is realized, the movable mold body 801 is gradually separated from the fixed mold body 901 after product molding, the inclined mold core 804 is separated from the mold core body 802, the product is ejected by matching with the ejector pin 7, the demolding is smooth, the four groups of inclined mold cores are all provided with the independent cooling pipe II 807, the cooling pipe III 905 and the cooling pipe I803 are matched, and the cooling effect is good.
Embodiment two as shown in fig. 2-5, as a modification of the previous embodiment.
Specifically, including cover half body 901, runner 902, die cavity 903, batter post 904 and cooling tube third 905, runner 902 has been seted up to the upper end of cover half body 901, and die cavity 903 has been seted up to the lower extreme of cover half body 901, the lower extreme fixed connection batter post 904 of cover half body 901, and the inside of cover half body 901 is provided with cooling tube third 905. The injection molding machine has the advantages that the fixed die body 901 is arranged, injection molding material liquid is injected into the cavity 903 through the gate 902, and injection molding is performed.
Specifically, the guide post 3 is slidably connected to the fixed mold body 901, and the inclined post 904 is adapted to the inclined slot 806. The fixed die has the advantages that the guide post 3 is arranged, the fixed die body 901 and the movable die body 801 are limited, and the stability of the die is improved.
Specifically, the inner wall of the cavity 903 is inclined, and the cavity 903 is matched with the inclined core 804. The advantage is that the inner wall of the cavity 903 is inclined, and the core body 802 and the inclined core 804 form a core and cooperate with the cavity 903 to form a cavity, so that the structure is ingenious.
When the injection molding machine is used, the upper end of the ejector pin 7 is flush with the core body 802 in an initial state, an air cylinder is fixedly connected between the stripper plate 4 and the movable mold body 801, a reset spring and a guide post are arranged on the inner side of the inclined core 804, the inclined core 804 is separated from the core body 802 under the action of the reset spring in the initial state, when injection molding is carried out, the inclined core 904 is inserted into the chute 806 in the process that the movable mold body 801 is close to the fixed mold body 901, the inclined core 904 drives the inclined core 804 to move inwards along the guide post along with the continuous approach of the movable mold body 801 to the fixed mold body 901 until the movable mold body 801 is completely contacted with the fixed mold body 901, at the moment, the inclined core 804 is tightly contacted with the core body 802, injection molding liquid is injected into the cavity through the gate 902, the injection molding work is carried out, the structure is ingenious, the auxiliary locking effect is achieved, the four groups of inclined cores 804 are respectively provided with independent cooling pipes two 807 and are matched with the cooling pipes three cooling pipes, the cooling effect of a product is good, the movable mold body 901 is gradually separated from the fixed mold body 801, the movable mold body 802 is gradually from the fixed mold body, the inclined core body 804 is gradually separated from the fixed mold body 901, the inclined core body is gradually, the inclined core 804 is separated from the movable mold body 801, the movable mold core body is gradually, the upper mold core body is driven by the upper mold core body is pushed out, the ejector pin is pushed out by the cooling cylinder, the ejector pin is pushed out by the ejector pin, and the ejector pin 6 is smoothly, and the ejector pin is pushed out, and the ejector pin 6 is smoothly moves up, and the ejector core 6 is smoothly and is pushed up, and is moved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The injection mold easy to demold comprises a movable mold base (1) and is characterized in that the upper end of the movable mold base (1) is fixedly connected with a mold base (2), the upper end of the mold base (2) is fixedly connected with a guide post (3), the upper end of the movable mold base (1) is provided with a stripper plate (4), the upper end of the stripper plate (4) is provided with a slide column (5), the outer side of the slide column (5) is sleeved with a limit spring (6), the upper end of the stripper plate (4) is fixedly connected with a thimble (7), the upper end of the mold base (2) is provided with a movable mold assembly (8), and the upper end of the movable mold assembly (8) is provided with a fixed mold assembly (9);
The movable die assembly (8) comprises a movable die body (801), a first core body (802), a first cooling pipe (803), an inclined core (804), a flat seat (805), a chute (806) and a second cooling pipe (807), wherein the core body (802) is arranged at the upper end of the movable die body (801), the first cooling pipe (803) is arranged in the core body (802), the inclined core (804) is arranged at the upper end of the movable die body (801), the flat seat (805) is arranged on the outer side of the inclined core (804), the chute (806) is arranged at the upper end of the flat seat (805), and the second cooling pipe (807) is arranged in the inclined core (804);
The fixed die assembly (9) comprises a fixed die body (901), a pouring gate (902), a cavity (903), an inclined column (904) and a cooling pipe III (905), the pouring gate (902) is formed in the upper end of the fixed die body (901), the cavity (903) is formed in the lower end of the fixed die body (901), the inclined column (904) is fixedly connected to the lower end of the fixed die body (901), and the cooling pipe III (905) is arranged in the fixed die body (901).
2. The injection mold easy to demold according to claim 1, wherein the guide post (3) is slidably connected with the stripper plate (4), the upper end of the limit spring (6) is fixedly connected with the movable mold assembly (8), and the lower end of the limit spring (6) is fixedly connected with the stripper plate (4).
3. The injection mold easy to demold according to claim 1, wherein the inclined core (804), the flat seat (805), the chute (806) and the cooling tube II (807) are provided with four identical groups and are distributed on four sides of the core body (802), and the inner side of the inclined core (804) is provided with a return spring and a guide post.
4. The injection mold easy to demold according to claim 1, wherein the guide post (3) is slidably connected with the fixed mold body (901), and the inclined post (904) is matched with the inclined groove (806).
5. An injection mold easy to release according to claim 1, characterized in that the inner wall of the cavity (903) is inclined, and the cavity (903) is adapted to the inclined core (804).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420858317.8U CN222290871U (en) | 2024-04-24 | 2024-04-24 | An injection mold that is easy to demould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420858317.8U CN222290871U (en) | 2024-04-24 | 2024-04-24 | An injection mold that is easy to demould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222290871U true CN222290871U (en) | 2025-01-03 |
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ID=93967195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420858317.8U Active CN222290871U (en) | 2024-04-24 | 2024-04-24 | An injection mold that is easy to demould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222290871U (en) |
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2024
- 2024-04-24 CN CN202420858317.8U patent/CN222290871U/en active Active
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