CN223821030U - Gate forced-disengaging mechanism of automobile air inlet grille injection mold - Google Patents
Gate forced-disengaging mechanism of automobile air inlet grille injection moldInfo
- Publication number
- CN223821030U CN223821030U CN202520277714.0U CN202520277714U CN223821030U CN 223821030 U CN223821030 U CN 223821030U CN 202520277714 U CN202520277714 U CN 202520277714U CN 223821030 U CN223821030 U CN 223821030U
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- pulling
- block
- ejector
- core
- air inlet
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Abstract
本实用新型提供了一种汽车进气格栅注塑模具的浇口强脱机构，属于模具技术领域。它包括下模板，所述的下模板下侧设置有顶板，所述的下模板顶部凸出设置有具有组成成型腔的下成型面的成型镶块。产品注塑成型后，顶板向上移动时能通过侧抽式顶出机构对产品的竖直分型面位置施加推力，从而防止产品的竖直分型面位置在顶出时扭曲变形，且侧抽式顶出机构还能在向上移动顶出产品的同时，还能向远离成型镶块一侧产生水平位移以实现自动抽芯，若干小滑块抽芯组件能够在开模时进行自动抽芯，内置式顶块顶杆顶出机构可以配合侧抽式顶出机构进行产品的顶出，且内置式顶块顶杆顶出机构可与小滑块抽芯组件同步安装，能有效利用成型镶块的边缘空间。
This utility model provides a gate ejection mechanism for an injection mold of an automotive air intake grille, belonging to the field of mold technology. It includes a lower mold plate, a top plate on the lower side of the lower mold plate, and a molding insert with a lower molding surface forming a molding cavity protruding from the top of the lower mold plate. After injection molding, when the top plate moves upward, it applies a pushing force to the vertical parting surface of the product through a side-pull ejection mechanism, thereby preventing the vertical parting surface from twisting and deforming during ejection. Furthermore, the side-pull ejection mechanism can also generate a horizontal displacement away from the molding insert while ejecting the product upward, achieving automatic core pulling. Several small slider core-pulling components can automatically pull the core during mold opening. An internal ejector block and ejector rod ejection mechanism can cooperate with the side-pull ejection mechanism to eject the product, and the internal ejector block and ejector rod ejection mechanism can be installed synchronously with the small slider core-pulling components, effectively utilizing the edge space of the molding insert.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a gate forced-release mechanism of an automobile air inlet grille injection mold.
Background
The automobile air inlet grille is generally formed by injection molding of a mold, an ejection mechanism of the air inlet grille mold in the prior art can only apply thrust to the product from bottom to top from the inside of the product, the vertical parting surface position of the side part of the air inlet grille is easy to distort and deform or even damage during ejection, and secondly, a small slide block core-pulling component is required to be arranged on a molding insert on a lower template of the air inlet grille mold, but the small slide block core-pulling component can occupy a large amount of space at the edge of the molding insert, so that an ejector block type ejection structure cannot be arranged at the edge of the molding insert.
As disclosed in chinese patent publication No. 202410386804.3, an injection mold for an automotive air intake grille comprises a movable mold base, an upper cavity is arranged on one side surface of the movable mold base, a fixed mold comprises a fixed mold base and an ejection assembly, the fixed mold base is positioned on one side of the movable mold base, which is provided with the upper cavity, a lower cavity is arranged on one side of the fixed mold base, which faces the movable mold base, the upper cavity is matched with the lower cavity for processing products, the ejection assembly comprises a push rod and an ejection block, the push rod is slidably connected to the fixed mold base, the ejection block is connected to one end of the push rod, which faces the movable mold base, one side surface of the ejection block, which is far away from the push rod, is flush with the cavity bottom of the lower cavity, the ejection block is provided with a plurality of ejection blocks, and the ejection blocks are uniformly distributed on the cavity bottom of the lower cavity.
Disclosure of utility model
The utility model aims to solve the problems and provides a gate forced-release mechanism of an automobile air inlet grille injection mold.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a runner of car air inlet grille injection mold takes off mechanism by force, includes the lower bolster, the lower bolster downside be provided with the roof, lower bolster top protrusion be provided with the shaping mold insert that has the lower shaping face of constituteing the shaping die cavity, shaping mold insert rear side be provided with the side that links to each other with the shaping cavity and take out ejection mechanism, side take out ejection mechanism link to each other with the roof, the lower bolster on still be provided with a plurality of little slider core-pulling assemblies along the circumference of shaping mold insert, the lower bolster downside still be equipped with built-in ejector pin ejection mechanism.
In the gate forced release mechanism of the automobile air inlet grille injection mold, the side-pulling ejection mechanism comprises a side-pulling ejection block arranged at the rear side of the molding insert, the inner end of the side-pulling ejection block is propped against the side part of the molding insert, the side-pulling ejection block is connected with a first straight ejector rod fixed on a top plate through a sliding connection structure, and the top of the lower mold plate is also provided with an inclined guide structure connected with the side-pulling ejection block.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the inclined guide structure comprises two inclined guide rods which are obliquely arranged on the lower template, the inclined guide rods are inserted into the side-pulling top block and are in sliding fit with the side-pulling top block, and the distance between the inclined guide rods and the forming insert is gradually increased from top to bottom.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the sliding connection structure comprises a connecting block which is fixed at the top of the first straight ejector rod and has a T-shaped section, the bottom of the side-pulling ejector block is inwards sunken to be provided with a connecting groove with the T-shaped section, and the connecting block is inserted into the connecting groove and is in sliding fit with the connecting groove.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the built-in ejector block ejector rod ejection mechanism comprises a plurality of middle ejector blocks embedded on the forming insert, and the bottoms of the middle ejector blocks are fixed on the top plate through second straight ejector rods.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the plurality of small slide block core-pulling assemblies are arranged on the middle top block.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the built-in ejector block ejector rod ejection mechanism further comprises a plurality of third straight ejector rods fixed on the top plate, and the top ends of the third straight ejector rods are connected with the forming cavity.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the small slide block core-pulling assembly comprises core-pulling slide blocks which are arranged on the molding insert or the middle top block in a sliding manner, limiting pressing plates are arranged on two sides of the core-pulling slide blocks, and the small slide block core-pulling assembly further comprises a slide block core-pulling structure arranged on the upper mold plate.
In the gate forced release mechanism of the automobile air inlet grille injection mold, the slide block core-pulling structure comprises a driving rod which is obliquely fixed on the upper template, and the bottom of the driving rod is inserted into the core-pulling slide block and is in sliding connection with the core-pulling slide block.
In the gate forced-release mechanism of the automobile air inlet grille injection mold, the side part of the driving rod is provided with the clamping groove, and the bottom of the upper template is fixedly connected with the fixing block inserted into the clamping groove.
Compared with the prior art, the utility model has the advantages that:
1. After the product injection moulding, push force can be applied to the vertical parting surface position of the product through the side-pulling type ejection mechanism when the top plate moves upwards, thereby the vertical parting surface position of the product is prevented from being distorted and deformed during ejection, and the side-pulling type ejection mechanism can also generate horizontal displacement to one side far away from the forming insert so as to realize automatic core pulling when the product is ejected upwards, a plurality of small slide block core pulling assemblies can automatically core pulling when the mould is opened, the built-in type ejection mechanism can cooperate with the side-pulling type ejection mechanism to eject the product, and the built-in type ejection mechanism can synchronously mount with the small slide block core pulling assembly, so that the edge space of the forming insert can be effectively utilized.
2. The roof can drive middle kicking block upward movement through No. two straight ejector pins when upwards moving and apply vertical ascending thrust to the product to prevent that the product from damaging when ejecting, set up a plurality of little slider loose core subassemblies on middle kicking block can also set up middle kicking block in step at shaping insert edge when setting up little slider loose core subassembly, effectively utilized the marginal space of shaping insert.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a partial three-dimensional view of a lower template;
FIG. 2 is a partial three-dimensional view of the lower template in another orientation;
FIG. 3 is a schematic view of a partial structure of the inside of the lower die plate;
Fig. 4 is an enlarged schematic view at a in fig. 3.
In the figure, a lower die plate 1, a top plate 2, a lower molding surface 3, a molding insert 4, a side-drawing type ejection mechanism 5, a small slide block core pulling assembly 6, a built-in ejector block ejector rod ejection mechanism 7, a side-drawing ejector block 8, a sliding connection structure 9, a first straight ejector rod 10, an inclined guide structure 11, an inclined guide rod 12, a connecting block 13, a connecting groove 14, a middle ejector block 15, a second straight ejector rod 16, a third straight ejector rod 17, a core pulling slide block 18, a limiting pressing plate 19, a driving rod 20 and a fixing block 21.
Detailed Description
As shown in fig. 1-4, a gate forced-release mechanism of an automobile air inlet grille injection mold comprises a lower template 1, wherein a top plate 2 is arranged on the lower side of the lower template 1, a forming insert 4 with a lower forming surface 3 forming a forming cavity is arranged on the top of the lower template 1 in a protruding mode, a side-drawing type ejection mechanism 5 connected with the forming cavity is arranged on the rear side of the forming insert 4, the side-drawing type ejection mechanism 5 is connected with the top plate 2, a plurality of small slide block core-pulling assemblies 6 are further arranged on the lower template 1 along the circumferential direction of the forming insert 4, and a built-in ejector block ejector rod ejection mechanism 7 is further arranged on the lower side of the lower template 1.
In the utility model, after the product is injection molded, the top plate can apply thrust to the vertical parting surface position of the product through the side-pulling type ejection mechanism 5 when the top plate moves upwards, so that the vertical parting surface position of the product is prevented from twisting and deforming during ejection, the side-pulling type ejection mechanism 5 can also generate horizontal displacement to one side far away from a molding insert to realize automatic core pulling while ejecting the product, a plurality of small slide block core pulling assemblies 6 can automatically core pulling during mold opening, the built-in ejector block ejector rod ejection mechanism 7 can be matched with the side-pulling type ejection mechanism 5 to eject the product, and the built-in ejector block ejector rod ejection mechanism 7 can be synchronously installed with the small slide block core pulling assemblies 6, so that the edge space of the molding insert can be effectively utilized.
Specifically speaking, the side-drawing ejection mechanism 5 comprises a side-drawing ejection block 8 arranged at the rear side of the forming insert 4, the inner end of the side-drawing ejection block 8 is propped against the side part of the forming insert 4, the side-drawing ejection block 8 is connected with a first straight ejection rod 10 fixed on the top plate 2 through a sliding connection structure 9, and the top of the lower die plate 1 is also provided with an inclined guide structure 11 connected with the side-drawing ejection block 8. The roof can drive the side through straight ejector pin and take out the kicking block upward movement when upwards moving, and inclined guide structure can order about the side when taking out the kicking block and upwards move and take out the kicking block to the automatic core-pulling that produces horizontal displacement who keeps away from shaping insert direction, thereby sliding connection structure can be when realizing that the side is taken out kicking block and straight ejector pin and is connected, makes the side take out kicking block and straight ejector pin can produce the relative slip.
Specifically, the inclined guide structure 11 comprises two inclined guide rods 12 obliquely arranged on the lower die plate 1, the inclined guide rods 12 are inserted into the side jacking block 8 and are in sliding fit with the side jacking block 8, and the distance between the inclined guide rods 12 and the forming insert 4 is gradually increased from top to bottom. When the side pulling top block moves upwards, the side pulling top block can move upwards and generate horizontal displacement under the action of the inclined guide rod, so that the side pulling top block can be separated from a product.
Specifically, the sliding connection structure 9 includes a connection block 13 fixed on the top of a first straight ejector rod 10 and having a T-shaped cross section, a connection groove 14 having a T-shaped cross section is concavely formed in the bottom of the side ejector rod 8, and the connection block 13 is inserted into the connection groove 14 and slidably engaged with the connection groove 14. The straight ejector rod and the side pulling ejector block are connected through the connecting block and the connecting groove, so that the side pulling ejector block and the straight ejector rod can slide relatively, and a precondition is provided for the side pulling ejector block to move upwards and generate horizontal displacement.
Specifically, the built-in ejector block ejector rod ejection mechanism 7 comprises a plurality of middle ejector blocks 15 embedded on the forming insert 4, the bottom of each middle ejector block 15 is fixed on the top plate 2 through a second straight ejector rod 16, and a plurality of small slide block core-pulling assemblies 6 are arranged on each middle ejector block 15. The roof can drive middle kicking block upward movement through No. two straight ejector pins and apply vertical ascending thrust to the product when upwards moving to prevent that the product from damaging when ejecting, set up a plurality of little slider core-pulling assembly 6 on middle kicking block 15 can also set up middle kicking block in step at shaping insert edge when setting up little slider core-pulling assembly 6, effectively utilized the marginal space of shaping insert.
Specifically, the built-in ejector block ejector rod ejection mechanism 7 further comprises a plurality of third straight ejector rods 17 fixed on the top plate 2, and the top ends of the third straight ejector rods 17 are connected with the forming cavity. When the top plate moves upwards, vertical upward thrust can be applied to the product through the third straight ejector rod.
Specifically speaking, the small slide block core-pulling assembly 6 comprises a core-pulling slide block 18 which is arranged on the molding insert 4 or the middle top block 15 in a sliding manner, limiting pressing plates 19 are arranged on two sides of the core-pulling slide block 18, and the small slide block core-pulling assembly also comprises a slide block core-pulling structure which is arranged on the upper template, wherein the slide block core-pulling structure comprises a driving rod 20 which is obliquely fixed on the upper template, and the bottom of the driving rod 20 is inserted into the core-pulling slide block 18 and is in sliding connection with the core-pulling slide block 18. When the die is opened, the upper die plate moves upwards, the core-pulling sliding block is driven to horizontally move away from the forming cavity by the driving rod to automatically pull the core, and after the core-pulling sliding block pulls the core, the top plate drives the middle top block to apply thrust to the product, so that the core-pulling sliding block and the product cannot interfere.
Specifically, a clamping groove is formed in the side portion of the driving rod 20, and a fixing block 21 inserted into the clamping groove is fixedly connected to the bottom of the upper die plate.
After the injection molding of the product, the top plate can apply thrust to the vertical parting surface position of the product through the side-pulling type ejection mechanism 5 when moving upwards, so that the vertical parting surface position of the product is prevented from being distorted and deformed during ejection, the side-pulling type ejection mechanism 5 can also generate horizontal displacement to one side far away from the molding insert to realize automatic core pulling while moving upwards to eject the product, a plurality of small slide block core pulling assemblies 6 can automatically core when the mold is opened, the built-in ejector block ejector rod ejection mechanism 7 can be matched with the side-pulling type ejection mechanism 5 to eject the product, the built-in ejector block ejector rod ejection mechanism 7 can be synchronously installed with the small slide block core pulling assemblies 6, and the edge space of the molding insert can be effectively utilized;
The side pulling top block and the straight top rod can slide relatively when the side pulling top block moves upwards, the side pulling top block can move upwards under the action of the inclined guide rod, so that the side pulling top block and a product can be separated, the straight top rod and the side pulling top block are connected through the connecting block and the connecting groove, relative sliding can be generated between the side pulling top block and the straight top rod, and a pre-lifting condition is provided for generating horizontal displacement while the side pulling top block moves upwards;
When the top plate moves upwards, the middle ejector block can be driven to move upwards through the second straight ejector rod to apply vertical upwards thrust to a product so as to prevent the product from being damaged during ejection, and the small slider core-pulling assemblies 6 are arranged on the middle ejector block 15, so that the middle ejector block can be synchronously arranged at the edge of the forming insert while the small slider core-pulling assemblies 6 are arranged, the edge space of the forming insert is effectively utilized, and when the top plate moves upwards, vertical upwards thrust can be applied to the product through the third straight ejector rod;
When the die is opened, the upper die plate moves upwards, the core-pulling sliding block is driven to horizontally move away from the forming cavity by the driving rod to automatically pull the core, and after the core-pulling sliding block pulls the core, the top plate drives the middle top block to apply thrust to the product, so that the core-pulling sliding block and the product cannot interfere.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the lower die plate 1, the top plate 2, the lower molding surface 3, the molding insert 4, the side-draw type ejector mechanism 5, the small-slider core-pulling assembly 6, the built-in ejector-block ejector-rod ejector mechanism 7, the side-draw type ejector-block 8, the slide coupling structure 9, the first straight ejector-rod 10, the inclined guide structure 11, the inclined guide rod 12, the connection block 13, the coupling groove 14, the intermediate ejector-block 15, the second straight ejector-rod 16, the third straight ejector-rod 17, the core-pulling slider 18, the limit platen 19, the driving rod 20, the fixed block 21, and the like are used more herein, these terms are merely for convenience of description and explanation of the essence of the present utility model, and are to be interpreted as any additional limitations against the spirit of the present utility model.
Claims (10)
1. The utility model provides a runner forced release mechanism of car air inlet grille injection mold, includes lower bolster (1), its characterized in that, lower bolster (1) downside be provided with roof (2), lower bolster (1) top protrusion be provided with have the shaping mold surface (3) of constituteing into the die cavity shaping insert (4), shaping insert (4) rear side be provided with the side ejection mechanism (5) that the shaping cavity links to each other, side ejection mechanism (5) link to each other with roof (2), lower bolster (1) on still be provided with a plurality of little slider core-pulling assembly (6) along the circumference of shaping insert (4), lower bolster (1) downside still be equipped with built-in ejector pin ejection mechanism (7).
2. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 1, wherein the side-pulling type ejection mechanism (5) comprises a side-pulling ejector block (8) arranged at the rear side of the molding insert (4), the inner end of the side-pulling ejector block (8) is propped against the side part of the molding insert (4), the side-pulling ejector block (8) is connected with a number one straight ejector rod (10) fixed on the top plate (2) through a sliding connection structure (9), and an inclined guide structure (11) connected with the side-pulling ejector block (8) is further arranged at the top of the lower mold plate (1).
3. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 2, wherein the inclined guide structure (11) comprises two inclined guide rods (12) which are obliquely arranged on the lower mold plate (1), the inclined guide rods (12) are inserted into the side ejection blocks (8) and are in sliding fit with the side ejection blocks (8), and the distance between the inclined guide rods (12) and the molding insert (4) is gradually increased from top to bottom.
4. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 2, wherein the sliding connection structure (9) comprises a connection block (13) which is fixed at the top of a first straight ejector rod (10) and has a T-shaped cross section, the bottom of the side pull ejector block (8) is concavely provided with a connection groove (14) which has a T-shaped cross section inwards, and the connection block (13) is inserted into the connection groove (14) and is in sliding fit with the connection groove (14).
5. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 1, wherein the built-in ejector rod ejection mechanism (7) comprises a plurality of middle ejector rods (15) embedded on the molding insert (4), and the bottoms of the middle ejector rods (15) are fixed on the top plate (2) through second straight ejector rods (16).
6. The gate forced release mechanism of an automobile air intake grille injection mold according to claim 5, characterized in that a plurality of small slide block core-pulling assemblies (6) are arranged on the middle top block (15).
7. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 5, wherein the built-in ejector block ejector rod ejection mechanism (7) further comprises a plurality of third straight ejector rods (17) fixed on the top plate (2), and the top ends of the third straight ejector rods (17) are connected with the forming cavity.
8. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 6, wherein the small slide block core-pulling assembly (6) comprises a core-pulling slide block (18) which is arranged on the molding insert (4) or the middle top block (15) in a sliding manner, limiting pressing plates (19) are arranged on two sides of the core-pulling slide block (18), and the gate forced release mechanism further comprises a slide block core-pulling structure which is arranged on the upper template.
9. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 8, wherein the slide block core-pulling structure comprises a driving rod (20) obliquely fixed on the upper mold plate, and the bottom of the driving rod (20) is inserted into the core-pulling slide block (18) and is in sliding connection with the core-pulling slide block (18).
10. The gate forced release mechanism of the automobile air inlet grille injection mold according to claim 9, wherein a clamping groove is formed in the side portion of the driving rod (20), and a fixing block (21) inserted into the clamping groove is fixedly connected to the bottom of the upper die plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520277714.0U CN223821030U (en) | 2025-02-20 | 2025-02-20 | Gate forced-disengaging mechanism of automobile air inlet grille injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520277714.0U CN223821030U (en) | 2025-02-20 | 2025-02-20 | Gate forced-disengaging mechanism of automobile air inlet grille injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223821030U true CN223821030U (en) | 2026-01-23 |
Family
ID=98449035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520277714.0U Active CN223821030U (en) | 2025-02-20 | 2025-02-20 | Gate forced-disengaging mechanism of automobile air inlet grille injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223821030U (en) |
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2025
- 2025-02-20 CN CN202520277714.0U patent/CN223821030U/en active Active
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