CN220700301U - Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column - Google Patents

Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column Download PDF

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Publication number
CN220700301U
CN220700301U CN202322387460.1U CN202322387460U CN220700301U CN 220700301 U CN220700301 U CN 220700301U CN 202322387460 U CN202322387460 U CN 202322387460U CN 220700301 U CN220700301 U CN 220700301U
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block
automobile
injection mold
ejection
ejection mechanism
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沈伟力
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Zhejiang Dasheng Mould Co ltd
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Zhejiang Dasheng Mould Co ltd
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Abstract

The utility model provides a multi-slider inner inclined ejection mechanism of an injection mold of an automobile B-pillar lower guard plate, and belongs to the technical field of molds. The novel multi-slide block ejection mechanism comprises an upper die plate and a lower die plate, wherein two molding cavities are symmetrically arranged between the upper die plate and the lower die plate, an inner core-pulling structure and an outer core-pulling structure are respectively arranged on the inner side and the outer side of each molding cavity, and a multi-slide block ejection assembly with an inner drawing structure is further arranged on the outer side of each molding cavity. Two shaping chambeies between cope match-plate pattern and the lower bolster can two car lower shields of one shot forming, and when the lower shield was ejecting, many slider ejecting subassembly can exert oblique outside thrust to the interior knot department of lower shield and make product interior knot position and lower bolster break away from, in addition, thereby interior structure of taking out can also drive the lug of lower bolster and product interior knot position junction and move down to one side and make lug and product back-off break away from, further make things convenient for ejecting drawing of patterns of product.

Description

Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column
Technical Field
The utility model belongs to the technical field of molds, and relates to a multi-slider inner inclined ejection mechanism of an injection mold of an automobile B-pillar lower guard board.
Background
When the lower guard plate of the automobile B column is subjected to injection molding, inner buckles exist at the edge of the lower guard plate to a certain extent, and the inner buckle part of the lower guard plate is easily damaged by adopting a conventional ejection mechanism.
If China patent discloses an injection mold for a lower guard plate of an automobile [ application number: 202021436631.5, including cover half and movable mould, the cover half includes cover half bedplate, flow distribution plate and the cover half template that sets gradually, cover half bedplate middle part is provided with total gate, be provided with the mounting bracket on the flow distribution plate and communicate the flow distribution way of total gate, be provided with a plurality of heating elements and divide pouring structure on the flow distribution way; the movable die comprises a movable die plate, a push rod mounting plate, a push rod push plate and a movable die plate which are sequentially arranged, and a die cavity for injection molding of a lower guard plate of the automobile is formed between the fixed die plate and the movable die plate; the flow dividing channel is provided with a plurality of supporting rings, and the end parts of the supporting rings are movably abutted with the inner wall of the mounting frame.
Disclosure of Invention
The utility model aims to solve the problems and provides a multi-slider inner inclined ejection mechanism of an injection mold of an automobile B-pillar lower guard plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an interior oblique ejection mechanism of backplate injection mold many sliders under car B post, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between the symmetry be provided with two shaping die cavities, shaping die cavity inside and outside both sides be provided with respectively and core structure and outer core structure, shaping die cavity outside still be equipped with the many sliders ejection assembly that take out the structure in having.
In the multi-slide-block inner inclined ejection mechanism of the injection mold of the automobile B column lower guard plate, the lower mold plate is provided with the bottom insert which is detachably connected with the lower mold plate, and the multi-slide-block ejection assembly and the inner drawing structure are connected with the bottom insert.
In the multi-slider inner inclined ejection mechanism of the automobile B column lower guard plate injection mold, the multi-slider ejection assembly comprises a straight ejection block arranged in the bottom insert and an inclined ejection block arranged on the outer side of the bottom insert, and the straight ejection block and the inclined ejection block are in sliding fit with the bottom insert.
In the multi-slider inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column, the bottom of the straight ejection block is fixedly connected with a vertically arranged straight ejection rod.
In the multi-slider inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column, the bottom of the inclined ejection block is fixedly connected with an inclined ejection rod which is obliquely arranged.
In the multi-slide-block inner inclined ejection mechanism of the automobile B column lower guard plate injection mold, the inner drawing structure comprises an inner drawing slide block inserted into the bottom insert at the inner end and an inner drawing slide table connected with the inner drawing slide block through an inclined guide structure, the inner drawing slide table is in sliding connection with the lower mold plate, a driving rod which is obliquely arranged is fixedly connected on the upper mold plate, and the driving rod is obliquely inserted into the inner drawing slide table and is in sliding fit with the inner drawing slide table.
In the multi-slide block inner inclined ejection mechanism of the automobile B column lower guard plate injection mold, the inclined guide structure comprises an inclined guide groove arranged on the inner drawing sliding table and an inclined guide block arranged on the inner drawing sliding table, and the cross sections of the inclined guide groove and the inclined guide block are all T-shaped.
In the multi-slider inner inclined ejection mechanism of the automobile B column lower guard plate injection mold, the inner core-pulling structure comprises a core-pulling seat, the inner end of the core-pulling seat is horizontally inserted into the forming cavity, a second driving rod which is obliquely arranged is fixedly connected to the upper mold plate, and the second driving rod is obliquely inserted into the core-pulling seat and is in sliding fit with the core-pulling seat.
In the multi-slider inner inclined ejection mechanism of the automobile B column lower guard plate injection mold, the outer core-pulling structure comprises a driver mounting seat with an inclined table top, a linear driver which is parallel to the inclined table top is fixedly connected to the driver mounting seat, a second core-pulling seat is fixedly connected to the end part of an output shaft of the linear driver, and the inner end of the second core-pulling seat is obliquely inserted into a forming cavity.
In the multi-slider inner inclined ejection mechanism of the injection mold of the automobile B column lower guard board, the lower template is also provided with a positioning seat which can be propped against the second core-pulling seat.
Compared with the prior art, the utility model has the advantages that:
1. two shaping chambeies between cope match-plate pattern and the lower bolster can two car lower shields of one shot forming, and when the lower shield was ejecting, many slider ejecting subassembly can exert oblique outside thrust to the interior knot department of lower shield and make product interior knot position and lower bolster break away from, in addition, thereby interior structure of taking out can also drive the lug of lower bolster and product interior knot position junction and move down to one side and make lug and product back-off break away from, further make things convenient for ejecting drawing of patterns of product.
2. When the product is ejected, the straight ejector rod is matched with the straight ejector block to apply vertical upward thrust to the product, and the inclined ejector rod is matched with the inclined ejector block to apply inclined upward thrust to the back-off part of the product so as to facilitate the back-off of the product and the separation of the lower template.
3. When the die is opened, the upper die plate vertically moves upwards to drive the inner drawing sliding table to horizontally move outwards through the first driving rod, the inner drawing sliding table horizontally moves outwards to pull the inner drawing sliding block to obliquely move downwards through the oblique guide groove and the oblique guide block, so that the lug at the joint of the lower die plate and the product inner buckling part can be separated from the product back-off, and the product back-off part is further convenient to demould.
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 external structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower die plate;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is a partial structural schematic diagram of the present utility model.
In the figure, an upper die plate 1, a lower die plate 2, a forming cavity 3, an outer core pulling structure 4, an inner pulling structure 5, a multi-slider ejection assembly 6, a bottom insert 7, a straight ejector block 8, an inclined ejector block 9, a straight ejector rod 10, an inclined ejector rod 11, an inner pulling slider 12, an inner pulling sliding table 13, a first driving rod 14, an inclined guide groove 15, an inclined guide block 16, a first core pulling seat 17, a second driving rod 18, a driver mounting seat 19, a linear driver 20, a second core pulling seat 21 and a positioning seat 22.
Detailed Description
As shown in fig. 1 and 2, an automobile B pillar lower guard plate injection mold multi-slide block inner inclined ejection mechanism comprises an upper template 1 and a lower template 2, wherein two forming cavities 3 are symmetrically arranged between the upper template 1 and the lower template 2, an inner core-pulling structure and an outer core-pulling structure 4 are respectively arranged on the inner side and the outer side of each forming cavity 3, and a multi-slide block ejection assembly 6 with an inner drawing structure 5 is further arranged on the outer side of each forming cavity 3.
In the utility model, two molding cavities 3 between the upper template 1 and the lower template 2 can be used for injection molding two automobile lower guard plates at one time, when the lower guard plates are ejected, the multi-slider ejection assembly can apply oblique outward thrust to the inner buckling part of the lower guard plates to separate the inner buckling position of a product from the lower template, in addition, the inner drawing structure can also drive the protruding blocks at the connecting part of the lower template and the inner buckling part of the product to move obliquely downwards so as to separate the protruding blocks from the product inverted buckles, thereby further facilitating ejection and demolding of the product;
and secondly, the inner core-pulling structure can automatically pull the core when the product is opened, and the outer core-pulling structure can pull the core before demolding, so that the product can be ejected and demolded conveniently.
Specifically, as shown in fig. 1-4, the lower die plate 2 is provided with a bottom insert 7 detachably connected with the lower die plate 2, and the multi-slider ejection assembly 6 and the inner pumping structure 5 are both connected with the bottom insert 7. The parts of the lower template, which are connected with the multi-slider ejection assembly 6 and the inner drawing structure 5, are changed into detachable bottom inserts, so that the multi-slider ejection assembly 6, the inner drawing structure 5 and the lower template can be conveniently assembled.
Specifically, referring to fig. 3 and 4, the multi-slider ejection assembly 6 includes a straight top block 8 disposed inside the bottom insert 7 and an inclined top block 9 disposed outside the bottom insert 7, the straight top block 8 and the inclined top block 9 are slidably matched with the bottom insert 7, a straight top rod 10 disposed vertically is fixedly connected to the bottom of the straight top block 8, and an inclined top rod 11 disposed obliquely is fixedly connected to the bottom of the inclined top block 9. When the product is ejected, the straight ejector rod is matched with the straight ejector block to apply vertical upward thrust to the product, and the inclined ejector rod is matched with the inclined ejector block to apply inclined upward thrust to the back-off part of the product so as to facilitate the back-off of the product and the separation of the lower template.
Specifically, referring to fig. 3 and 4, the inner drawing structure 5 includes an inner drawing sliding block 12 with an inner end inserted into the bottom insert 7 and an inner drawing sliding table 13 connected with the inner drawing sliding block 12 through an inclined guiding structure, the inner drawing sliding table 13 is slidably connected with the lower die plate 2, the upper die plate 1 is further fixedly connected with a first driving rod 14 which is obliquely arranged, the first driving rod 14 is obliquely inserted into the inner drawing sliding table 13 and is slidably matched with the inner drawing sliding table 13, the inclined guiding structure includes an inclined guiding groove 15 arranged on the inner drawing sliding table 13 and an inclined guiding block 16 arranged on the inner drawing sliding block 12, and the cross sections of the inclined guiding groove 15 and the inclined guiding block 16 are all in a T shape. When the die is opened, the upper die plate vertically moves upwards to drive the inner drawing sliding table to horizontally move outwards through the first driving rod, the inner drawing sliding table horizontally moves outwards to pull the inner drawing sliding table to obliquely move downwards through the oblique guide groove 15 and the oblique guide block 16, so that the convex blocks at the connecting positions of the lower die plate and the inner buckling parts of the product can be separated from the product back buckles, and the demolding of the back buckling parts of the product is further facilitated.
Specifically, referring to fig. 2, the inner core-pulling structure includes a core-pulling seat 17, the inner end of the core-pulling seat 17 is horizontally inserted into the forming cavity 3, a second driving rod 18 which is obliquely arranged is fixedly connected to the upper die plate 1, and the second driving rod 18 is obliquely inserted into the core-pulling seat 17 and is in sliding fit with the core-pulling seat 17. The upper die plate moves upwards and can drive the core pulling seat I to horizontally and outwards move through the driving rod II, so that automatic core pulling can be realized.
Specifically, referring to fig. 1 and 2, the outer core pulling structure 4 includes a driver mounting seat 19 with an inclined table top, a linear driver 20 parallel to the inclined table top is fixedly connected to the driver mounting seat 19, a second core pulling seat 21 is fixedly connected to an output shaft end of the linear driver 20, and an inner end of the second core pulling seat 21 is obliquely inserted into the forming cavity 3. The linear driver which is parallel to the inclined table top can drive the second core pulling seat to move obliquely downwards, so that the second core pulling seat and the product can be separated, and automatic core pulling is realized.
Those skilled in the art will appreciate that the linear actuator may be a cylinder, a linear motor, or the like.
Preferably, the lower die plate 2 is further provided with a positioning seat 22 capable of propping against the second core pulling seat 21. The positioning seat can position the second core pulling seat.
The working principle of the utility model is as follows: the two molding cavities 3 between the upper template 1 and the lower template 2 can be used for injection molding two automobile lower guard plates at one time, when the lower guard plates are ejected, the multi-slider ejection assembly can apply oblique outward thrust to the inner buckling part of the lower guard plates to separate the inner buckling position of a product from the lower template, in addition, the inner drawing structure can also drive the protruding blocks at the connecting part of the lower template and the inner buckling part of the product to move obliquely downwards so as to separate the protruding blocks from the inverted buckle of the product, the ejection and the demolding of the product are further facilitated, the inner core-pulling structure can automatically perform core pulling during the mold opening of the product, and the outer core-pulling structure can perform core pulling before the demolding so as to facilitate the ejection and the demolding of the product;
the part, connected with the multi-slide ejection assembly 6 and the inner drawing structure 5, on the lower die plate is changed into a detachable bottom insert, so that the multi-slide ejection assembly 6, the inner drawing structure 5 and the lower die plate can be conveniently assembled, when a product is ejected, the straight ejector rod is matched with the straight ejector block to apply vertical upward thrust to the product, the inclined ejector rod is matched with the inclined ejector block to apply inclined upward thrust to the product back-off part so as to facilitate the product back-off and the lower die plate to be separated, when the die is opened, the upper die plate can be driven to horizontally move outwards by the inner drawing sliding table through a driving rod I, and the inner drawing sliding table can be driven to horizontally move downwards by the inner drawing sliding table through the inclined guide groove 15 and the inclined guide block 16 so as to separate a bump at the joint of the lower die plate and the product back-off, so that the product back-off part is further facilitated;
the upper die plate moves upwards to drive the core pulling seat to move outwards horizontally through the driving rod II so as to realize automatic core pulling, and the linear driver arranged in parallel with the inclined table top can drive the core pulling seat II to move downwards obliquely so as to separate the core pulling seat II from a product, so that automatic core pulling is realized, and the positioning seat can position the core pulling seat II.
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 upper die plate 1, the lower die plate 2, the forming cavity 3, the outer core-pulling structure 4, the inner draw structure 5, the multi-slider ejector assembly 6, the bottom insert 7, the straight ejector block 8, the inclined ejector block 9, the straight ejector rod 10, the inclined ejector rod 11, the inner draw slider 12, the inner draw slide table 13, the first drive rod 14, the inclined guide groove 15, the inclined guide block 16, the first core-pulling seat 17, the second drive rod 18, the driver mount 19, the linear driver 20, the second core-pulling seat 21, the positioning seat 22, and the like are used more herein, these terms are used only for the purpose of describing and explaining the essence of the present utility model more conveniently; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (10)

1. The utility model provides an interior oblique ejection mechanism of backplate injection mold more than one kind of car B post, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between the symmetry be provided with two shaping die cavities (3), shaping die cavity (3) inside and outside both sides be provided with respectively in core pulling structure and outer core pulling structure (4), shaping die cavity (3) outside still be equipped with in the many slider ejection subassembly (6) that take out structure (5).
2. The multi-slide-block inner inclined ejection mechanism of the injection mold of the automobile B column lower guard plate according to claim 1, wherein the lower mold plate (2) is provided with a bottom insert (7) detachably connected with the lower mold plate (2), and the multi-slide-block ejection assembly (6) and the inner drawing structure (5) are connected with the bottom insert (7).
3. The multi-slider internal oblique ejection mechanism of the injection mold of the lower guard plate of the automobile B column according to claim 2, wherein the multi-slider ejection assembly (6) comprises a straight ejection block (8) arranged in the bottom insert (7) and an oblique ejection block (9) arranged outside the bottom insert (7), and the straight ejection block (8) and the oblique ejection block (9) are in sliding fit with the bottom insert (7).
4. The multi-slider internal oblique ejection mechanism for the injection mold of the lower guard plate of the automobile B column according to claim 3, wherein the bottom of the straight ejection block (8) is fixedly connected with a vertically arranged straight ejection rod (10).
5. The multi-slider internal oblique ejection mechanism for the injection mold of the lower guard plate of the automobile B column according to claim 3, wherein the bottom of the oblique ejection block (9) is fixedly connected with an oblique ejector rod (11) which is obliquely arranged.
6. The multi-slide-block inner inclined ejection mechanism of the injection mold of the automobile B column lower guard plate according to claim 3, wherein the inner drawing structure (5) comprises an inner drawing slide block (12) with the inner end inserted into the bottom insert (7) and an inner drawing slide table (13) connected with the inner drawing slide block (12) through an inclined guide structure, the inner drawing slide table (13) is in sliding connection with the lower mold plate (2), a first driving rod (14) which is obliquely arranged is fixedly connected on the upper mold plate (1), and the first driving rod (14) is obliquely inserted into the inner drawing slide table (13) and is in sliding fit with the inner drawing slide table (13).
7. The multi-slide-block inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column according to claim 6, wherein the inclined guide structure comprises an inclined guide groove (15) arranged on the inner drawing sliding table (13) and an inclined guide block (16) arranged on the inner drawing sliding table (12), and the cross sections of the inclined guide groove (15) and the inclined guide block (16) are T-shaped.
8. The multi-slider inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column according to claim 1, wherein the inner core pulling structure comprises a core pulling seat (17), the inner end of the core pulling seat (17) is horizontally inserted into the molding cavity (3), a second driving rod (18) which is obliquely arranged is fixedly connected to the upper mold plate (1), and the second driving rod (18) is obliquely inserted into the core pulling seat (17) and is in sliding fit with the core pulling seat (17).
9. The multi-slider inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column according to claim 1, wherein the outer core pulling structure (4) comprises a driver installation seat (19) with an inclined table top, a linear driver (20) which is parallel to the inclined table top is fixedly connected to the driver installation seat (19), a second core pulling seat (21) is fixedly connected to the end part of an output shaft of the linear driver (20), and the inner end of the second core pulling seat (21) is obliquely inserted into the forming cavity (3).
10. The multi-slider inner inclined ejection mechanism of the injection mold of the lower guard plate of the automobile B column of claim 9, wherein the lower template (2) is further provided with a positioning seat (22) which can be propped against the core pulling seat (21).
CN202322387460.1U 2023-09-04 2023-09-04 Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column Active CN220700301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322387460.1U CN220700301U (en) 2023-09-04 2023-09-04 Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322387460.1U CN220700301U (en) 2023-09-04 2023-09-04 Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column

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CN220700301U true CN220700301U (en) 2024-04-02

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Application Number Title Priority Date Filing Date
CN202322387460.1U Active CN220700301U (en) 2023-09-04 2023-09-04 Multi-slider inner inclined ejection mechanism of injection mold of lower guard plate of automobile B column

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