CN223630885U - Synchronous oblique core pulling mechanism for large sliding block and dovetail small sliding block of automobile plastic part mold - Google Patents
Synchronous oblique core pulling mechanism for large sliding block and dovetail small sliding block of automobile plastic part moldInfo
- Publication number
- CN223630885U CN223630885U CN202423257514.3U CN202423257514U CN223630885U CN 223630885 U CN223630885 U CN 223630885U CN 202423257514 U CN202423257514 U CN 202423257514U CN 223630885 U CN223630885 U CN 223630885U
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- sliding block
- core pulling
- oblique
- dovetail
- slide block
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Abstract
本实用新型提供了一种汽车塑件模具大滑块加燕尾小滑块同步斜向抽芯机构，属于模具技术领域。它包括下模板，所述的下模板的上端面上对称设置有两个组成成型腔的下成型面，所述的下成型面为斜面，所述的下成型面上形成有向内凹陷的环形夹缝，所述的下模板上设置有若干沿下成型面周向设置的燕尾滑块抽芯组件。若干燕尾滑块抽芯组件在开模时能同步进行抽芯，开模后，滑块斜向抽芯组件能进行自动抽芯，防退位组件可以在注塑时对滑块斜向抽芯组件进行限位以防止滑块斜向抽芯组件在注塑时出现退位的问题。
This utility model provides a synchronous oblique core-pulling mechanism for a large slider and a small dovetail slider in an automotive plastic part mold, belonging to the field of mold technology. It includes a lower mold plate, on the upper surface of which two lower forming surfaces symmetrically arranged to form a molding cavity are provided. Each lower forming surface is inclined and has an inwardly recessed annular slit. The lower mold plate is provided with several dovetail slider core-pulling assemblies arranged circumferentially along the lower forming surfaces. These dovetail slider core-pulling assemblies can simultaneously pull the core during mold opening. After mold opening, the oblique core-pulling slider assemblies can automatically pull the core. An anti-retraction component can limit the oblique core-pulling slider assemblies during injection molding to prevent them from retracting.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a synchronous oblique core pulling mechanism for a large slide block and a dovetail small slide block of an automobile plastic part mold.
Background
The lower die plate of the automobile plastic part die is internally provided with an oblique core-pulling assembly, an oblique sliding block in the oblique core-pulling assembly is obliquely arranged in the lower die plate and is driven to pull cores through an oil cylinder, the top end of the oblique sliding block is connected with a forming cavity, but when injection molding is carried out, the phenomenon that the oil cylinder is retracted occasionally occurs due to the fact that the cavity pressure in the forming cavity is large, and therefore quality problems exist in products formed by injection molding.
As disclosed in chinese patent publication No. 202310181530.X, the injection mold for automotive trim comprises an upper mold and a lower mold, and further comprises a plurality of driving members, connecting members disposed in one-to-one correspondence with the plurality of driving members, and insert plates disposed in one-to-one correspondence with the plurality of driving members, wherein the plurality of driving members are circumferentially distributed and are fixed with the bottom of the lower mold, one end of each connecting member is fixed with the driving end of the driving member at the corresponding position, each insert plate is fixed with the other end of the connecting member at the corresponding position, and each driving member is used for driving the connecting member at the corresponding position to move so that the connecting member drives the insert plates at the corresponding position to be inserted into or extracted from the gap between the upper mold and the lower mold.
Disclosure of utility model
The utility model aims to solve the problems and provides a synchronous oblique core pulling mechanism for a large sliding block and a dovetail small sliding block of an automobile plastic part die.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a synchronous slant core pulling mechanism of big slider of car plastic part mould adds forked tail little slider, includes the lower bolster, the up end on the lower bolster on the symmetry be provided with two lower molding surfaces of constituteing the molding chamber, lower molding surface be the inclined plane, lower molding surface on be formed with the annular crack of inwards sunken, the lower bolster on be provided with a plurality of forked tail slider core pulling assembly that set up along lower molding surface circumference, lower bolster both sides still the symmetry be provided with slider slant core pulling assembly, the lower bolster both sides still be equipped with anti-return assembly.
In the synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold, the oblique core pulling assembly of the slide block comprises the oblique slide block obliquely arranged in the lower mold plate, the top end of the oblique slide block is connected with the lower molding surface, the side part of the lower mold plate is also provided with the core pulling slide block horizontally inserted into the lower mold plate and a driving oil cylinder connected with the core pulling slide block, and an oblique guide structure is arranged between the core pulling slide block and the oblique slide block.
In the synchronous oblique core pulling mechanism of the large sliding block and the dovetail small sliding block of the automobile plastic part mold, the oblique guiding structure comprises an oblique rail obliquely arranged at the inner end of the core pulling sliding block, a first sliding guide pillar is fixedly connected with the inner end of the oblique sliding block, a first sliding way is concavely arranged on the first sliding guide pillar inwards, and the oblique rail is clamped into the first sliding way.
In the synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold, the outer end of the core pulling slide block is cylindrical.
In the synchronous oblique core-pulling mechanism with the large slide block and the dovetail small slide block of the automobile plastic part mold, the lower mold plate is also internally provided with the positioning lock which is arranged corresponding to the core-pulling slide block.
In the synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold, the anti-withdrawal assembly comprises a side baffle plate arranged on the side part of the lower mold plate, the bottom of the side baffle plate is propped against the outer end of the core pulling slide block, and the top of the side baffle plate is fixed on the upper mold plate.
In the synchronous oblique core pulling mechanism of the large sliding block and the small dovetail sliding block of the automobile plastic part mold, the dovetail sliding block core pulling assembly comprises a second sliding guide pillar arranged in the lower mold plate, a rectangular sliding block inserted into the annular crack from the outer side of the lower molding surface is fixedly connected in the second sliding guide pillar, and the dovetail sliding block core pulling assembly further comprises a vertical core pulling structure connected with the second sliding guide pillar.
In the synchronous oblique core pulling mechanism of the large sliding block and the dovetail small sliding block of the automobile plastic part die, the vertical core pulling structure comprises a vertical guide column, the bottom of the vertical guide column is provided with the dovetail sliding block which is obliquely arranged, the second sliding column is obliquely provided with the second inwards-sunken slideway, the dovetail sliding block is inserted into the second slideway, and the vertical guide column is fixed on the upper die plate.
In the synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold, a positioning plate corresponding to the second slide guide post is arranged on the lower mold plate, a positioning slide groove is arranged in the middle of the positioning plate, and the outer end of the second slide guide post is provided with a positioning slide block inserted into the positioning slide groove.
In the synchronous oblique core pulling mechanism with the large slide block and the small dovetail slide block of the automobile plastic part die, the vertical guide pillar is fixed on the upper die plate through a screw.
Compared with the prior art, the utility model has the advantages that:
1. The dovetail slide block core-pulling assemblies can synchronously pull cores when the mold is opened, after the mold is opened, the slide block oblique core-pulling assemblies can automatically pull cores, and the anti-withdrawal assembly can limit the slide block oblique core-pulling assemblies during injection molding so as to prevent the slide block oblique core-pulling assemblies from withdrawing during injection molding.
2. The core-pulling sliding block can be driven to move along the horizontal direction through the driving oil cylinder, the horizontal movement kinetic energy of the core-pulling sliding block drives the core-pulling sliding block to reciprocate along the inclined direction through the inclined guide structure, the core-pulling sliding block can drive the first sliding guide post to move along the inclined direction through the matching of the inclined track and the first sliding way, and the first sliding guide post can drive the inclined sliding block to move so as to realize automatic core pulling of the inclined sliding block after injection molding of products.
3. The side baffle can limit the outer end of the core-pulling sliding block to prevent the problem that the oil cylinder is retracted, and when the die is opened, the upper die plate moves upwards to drive the side baffle to move upwards so as to separate the side baffle from the core-pulling sliding block, so that the inclined sliding block is driven to pull the core through the driving oil cylinder.
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 schematic view of the structure of a lower die plate;
FIG. 2 is a schematic view of a partial structure of the lower die plate;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is a schematic structural view of a slider diagonal core pulling assembly;
Fig. 5 is a schematic structural view of a dovetail slide core-pulling assembly.
In the figure, a lower die plate 1, a lower molding surface 2, an annular crack 3, a dovetail slide block core pulling assembly 4, a slide block inclined core pulling assembly 5, an anti-withdrawal assembly 6, an inclined slide block 7, a core pulling slide block 8, a driving oil cylinder 9, an inclined track 10, a first slide guide column 11, a first slide rail 12, a positioning lock 13, a side baffle 14, a second slide guide column 15, a rectangular slide block 16, a vertical guide column 17, a dovetail slide block 18, a second slide rail 19, a positioning plate 20 and a positioning slide block 21.
Detailed Description
As shown in fig. 1-5, a synchronous oblique core pulling mechanism of a large slide block and a dovetail small slide block of an automobile plastic part mold comprises a lower template 1, wherein two lower molding surfaces 2 forming a molding cavity are symmetrically arranged on the upper end surface of the lower template 1, the lower molding surfaces 2 are inclined surfaces, annular cracks 3 which are inwards concave are formed on the lower molding surfaces 2, a plurality of dovetail slide block core pulling assemblies 4 which are circumferentially arranged along the lower molding surfaces 2 are arranged on the lower template 1, slide block oblique core pulling assemblies 5 are symmetrically arranged on two sides of the lower template 1, and anti-withdrawal assemblies 6 are also arranged on two sides of the lower template 1.
According to the utility model, the dovetail slide block core-pulling assemblies 4 can synchronously pull cores during mold opening, after mold opening, the slide block oblique core-pulling assemblies 5 can automatically pull cores, and the anti-withdrawal assembly can limit the slide block oblique core-pulling assemblies 5 during injection molding so as to prevent the slide block oblique core-pulling assemblies 5 from withdrawing during injection molding.
Specifically speaking, the oblique core-pulling assembly 5 of the sliding block comprises an oblique sliding block 7 obliquely arranged in the lower die plate 1, the top end of the oblique sliding block 7 is connected with the lower molding surface 2, the side part of the lower die plate 1 is also provided with a core-pulling sliding block 8 horizontally inserted into the lower die plate 1 and a driving oil cylinder 9 connected with the core-pulling sliding block 8, and an oblique guide structure is arranged between the core-pulling sliding block 8 and the oblique sliding block 7. The core-pulling sliding block can be driven to move along the horizontal direction through the driving oil cylinder, and the horizontal movement kinetic energy of the core-pulling sliding block drives the core-pulling sliding block 8 to reciprocate along the inclined direction through the inclined guide structure.
Specifically speaking, the oblique guide structure includes the slope track 10 that the slope set up at the slider 8 inner of loosing core, the slider 7 of slant in the end link firmly a smooth guide pillar 11, smooth guide pillar 11 on inwards sunken be provided with a slide 12, the slope track 10 card go into a slide 12 in, the outer end of slider 8 of loosing core is cylindrically. The core-pulling slide block 8 can move along the horizontal direction, the first slide guide post 11 is driven to move along the inclined direction by the cooperation of the inclined track and the first slide way, and the first slide guide post 11 can drive the inclined slide block 7 to move, so that automatic core pulling of the inclined slide block can be realized after injection molding of a product.
Preferably, a positioning lock 13 corresponding to the core pulling slide block 8 is also arranged in the lower template 1. During injection molding, the positioning lock can be inserted into the core-pulling sliding block to lock and support the core-pulling sliding block.
Specifically, the anti-back-out assembly 6 comprises a side baffle 14 arranged on the side of the lower template 1, the bottom of the side baffle 14 is propped against the outer end of the core-pulling sliding block 8, and the top of the side baffle 14 is fixed on the upper template. The side baffle can limit the outer end of the core-pulling sliding block to prevent the problem that the oil cylinder is retracted, and when the die is opened, the upper die plate moves upwards to drive the side baffle to move upwards so as to separate the side baffle from the core-pulling sliding block, so that the inclined sliding block is driven to pull the core through the driving oil cylinder.
Specifically speaking, the dovetail slide block core-pulling assembly 4 comprises a second slide guide post 15 arranged in the lower die plate 1, a rectangular slide block 16 inserted into the annular crack 3 from the outer side of the lower molding surface 2 is fixedly connected in the second slide guide post 15, the dovetail slide block core-pulling assembly 4 further comprises a vertical core-pulling structure connected with the second slide guide post 15, the vertical core-pulling structure comprises a vertical guide post 17, a dovetail slide block 18 arranged at the bottom of the vertical guide post 17 in an inclined manner is arranged, a second slide way 19 recessed inwards is obliquely arranged on the second slide guide post 15, the dovetail slide block 18 is inserted into the second slide way 19, and the vertical guide post 17 is fixed on the upper die plate. When the die is opened, the upper die plate moves upwards to drive a plurality of vertical guide posts 17 fixed on the upper die plate to synchronously move upwards, and the vertical guide posts 17 move upwards to drive the second sliding guide posts 15 to move away from the lower molding surface through the cooperation of the dovetail sliding blocks 18 and the second sliding ways 19, so that automatic core pulling of the rectangular sliding blocks 16 can be realized.
Specifically, a positioning plate 20 corresponding to the second sliding guide post 15 is arranged on the lower die plate 1, a positioning chute is arranged in the middle of the positioning plate 20, a positioning sliding block 21 inserted into the positioning chute is arranged at the outer end of the second sliding guide post 15, and a vertical guide post 17 is fixed on the upper die plate through a screw. The positioning sliding groove is matched with the positioning sliding block to limit the second sliding guide pillar.
The working principle of the utility model is that a plurality of dovetail slide block core-pulling assemblies 4 can synchronously pull cores when the mold is opened, after the mold is opened, the slide block oblique core-pulling assemblies 5 can automatically pull cores, and the anti-withdrawal assembly can limit the slide block oblique core-pulling assemblies 5 when injection molding so as to prevent the slide block oblique core-pulling assemblies 5 from withdrawing when injection molding;
The core-pulling slide block can be driven to move along the horizontal direction through the driving oil cylinder, the horizontal movement kinetic energy of the core-pulling slide block drives the core-pulling slide block 8 to reciprocate along the inclined direction through the inclined guide structure, the core-pulling slide block 8 can drive the first sliding guide post 11 to move along the inclined direction through the matching of the inclined track and the first sliding way, the first sliding guide post 11 can drive the inclined slide block 7 to move so as to realize automatic core pulling of the inclined slide block after injection molding of a product, and the positioning lock can be inserted into the core-pulling slide block to lock and support the core-pulling slide block during injection molding;
The side shield can be spacing in order to prevent the problem that the hydro-cylinder was moved back to the slider outer end of loosing core, when the mould was opened, thereby the cope match-plate pattern upwards moved and can drive the side shield upwards to make side shield and the slider of loosing core break away from, so that through driving hydro-cylinder drive slant slider loose core, during the mould opening, the cope match-plate pattern upwards moved and can drive a plurality of vertical guide pillars 17 that are fixed on the cope match-plate pattern and move upwards in step, vertical guide pillars 17 upwards move can drive No. two smooth guide pillars 15 and move to keeping away from lower shaping face direction through the cooperation of dovetail slider 18 and No. two slide 19, thereby can realize the automation of rectangle slider 16 to loose core, location spout cooperation location slider can be spacing No. two smooth guide pillars.
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 lower molding surface 2, the annular gap 3, the dovetail slide core-pulling assembly 4, the slide diagonal core-pulling assembly 5, the anti-unseating assembly 6, the diagonal slide 7, the core-pulling slide 8, the driving cylinder 9, the diagonal rail 10, the first slide post 11, the first slide rail 12, the positioning lock 13, the side baffle 14, the second slide post 15, the rectangular slide block 16, the vertical guide post 17, the dovetail slide block 18, the second slide rail 19, the positioning plate 20, the positioning slide block 21, etc. are used herein in a large number, these terms are used merely for convenience in describing and explaining the essence of the present utility model, and they are interpreted as any additional limitation that is contrary to the spirit of the present utility model.
Claims (10)
1. The utility model provides a synchronous slant core pulling mechanism of big slider of car plastic mould and forked tail little slider, includes lower bolster (1), its characterized in that, the up end of lower bolster (1) on the symmetry be provided with two lower molding surface (2) of constituteing the shaping die cavity, lower molding surface (2) be the inclined plane, lower molding surface (2) on be formed with annular crack (3) of inwards sunken, lower bolster (1) on be provided with a plurality of forked tail slider core pulling assembly (4) that set up along lower molding surface (2) circumference, lower bolster (1) both sides still symmetry be provided with slider slant core pulling assembly (5), lower bolster (1) both sides still be equipped with anti-back position subassembly (6).
2. The synchronous oblique core pulling mechanism of the large sliding block and the dovetail small sliding block of the automobile plastic part mold according to claim 1 is characterized in that the oblique core pulling assembly (5) of the sliding block comprises an oblique sliding block (7) obliquely arranged in a lower mold plate (1), the top end of the oblique sliding block (7) is connected with a lower molding surface (2), a core pulling sliding block (8) horizontally inserted into the lower mold plate (1) and a driving oil cylinder (9) connected with the core pulling sliding block (8) are further arranged on the side part of the lower mold plate (1), and an oblique guide structure is arranged between the core pulling sliding block (8) and the oblique sliding block (7).
3. The synchronous oblique core pulling mechanism of the large sliding block and the dovetail small sliding block of the automobile plastic part mold according to claim 2 is characterized in that the oblique guiding structure comprises an oblique rail (10) obliquely arranged at the inner end of the core pulling sliding block (8), a first sliding guide pillar (11) is fixedly connected at the inner end of the oblique sliding block (7), a first sliding rail (12) is concavely arranged on the first sliding guide pillar (11) inwards, and the oblique rail (10) is clamped into the first sliding rail (12).
4. The synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold according to claim 3, wherein the outer end of the core pulling slide block (8) is cylindrical.
5. The synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold according to claim 3 is characterized in that a positioning lock (13) which is arranged corresponding to the core pulling slide block (8) is further arranged in the lower template (1).
6. The synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold according to claim 3, wherein the anti-withdrawal component (6) comprises a side baffle plate (14) arranged on the side part of the lower mold plate (1), the bottom of the side baffle plate (14) is propped against the outer end of the core pulling slide block (8), and the top of the side baffle plate (14) is fixed on the upper mold plate.
7. The synchronous oblique core pulling mechanism of the large sliding block and the small dovetail sliding block of the automobile plastic part mold according to claim 1 is characterized in that the dovetail sliding block core pulling assembly (4) comprises a second sliding guide pillar (15) arranged in a lower mold plate (1), a rectangular sliding block (16) inserted into an annular crack (3) from the outer side of a lower molding surface (2) is fixedly connected in the second sliding guide pillar (15), and the dovetail sliding block core pulling assembly (4) further comprises a vertical core pulling structure connected with the second sliding guide pillar (15).
8. The synchronous oblique core pulling mechanism for the large sliding block and the dovetail small sliding block of the automobile plastic part die according to claim 7 is characterized in that the vertical core pulling structure comprises a vertical guide pillar (17), the bottom of the vertical guide pillar (17) is provided with a dovetail sliding block (18) which is obliquely arranged, a second sliding rail (19) which is concaved inwards is obliquely arranged on the second sliding guide pillar (15), the dovetail sliding block (18) is inserted into the second sliding rail (19), and the vertical guide pillar (17) is fixed on an upper template.
9. The synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part mold according to claim 8 is characterized in that a positioning plate (20) corresponding to a second slide guide post (15) is arranged on the lower template (1), a positioning slide groove is formed in the middle of the positioning plate (20), and a positioning slide block (21) inserted into the positioning slide groove is arranged at the outer end of the second slide guide post (15).
10. The synchronous oblique core pulling mechanism of the large slide block and the dovetail small slide block of the automobile plastic part die according to claim 8, wherein the vertical guide pillar (17) is fixed on the upper die plate through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423257514.3U CN223630885U (en) | 2024-12-27 | 2024-12-27 | Synchronous oblique core pulling mechanism for large sliding block and dovetail small sliding block of automobile plastic part mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423257514.3U CN223630885U (en) | 2024-12-27 | 2024-12-27 | Synchronous oblique core pulling mechanism for large sliding block and dovetail small sliding block of automobile plastic part mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223630885U true CN223630885U (en) | 2025-12-05 |
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ID=97860457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423257514.3U Active CN223630885U (en) | 2024-12-27 | 2024-12-27 | Synchronous oblique core pulling mechanism for large sliding block and dovetail small sliding block of automobile plastic part mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223630885U (en) |
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2024
- 2024-12-27 CN CN202423257514.3U patent/CN223630885U/en active Active
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