CN219256338U - Arc cylinder core-pulling mechanism of plastic couch armrest mould - Google Patents

Arc cylinder core-pulling mechanism of plastic couch armrest mould Download PDF

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Publication number
CN219256338U
CN219256338U CN202320649735.1U CN202320649735U CN219256338U CN 219256338 U CN219256338 U CN 219256338U CN 202320649735 U CN202320649735 U CN 202320649735U CN 219256338 U CN219256338 U CN 219256338U
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core
arc
pulling
plate
core pulling
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李忠辉
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Taizhou Bosen Mould Co ltd
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Taizhou Bosen Mould Co ltd
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Abstract

The utility model provides a circular arc oil cylinder core-pulling mechanism of a plastic couch armrest mold, and belongs to the technical field of molds. The novel core drawing die comprises an upper die plate and a lower die plate, wherein a forming cavity is formed between the upper die plate and the lower die plate, the lower die plate is provided with four side walls, one side wall is a core drawing side, and a first arc core drawing plate and a second arc core drawing plate which are inserted into the forming cavity from the core drawing side are arranged on the lower die plate. The core pulling side of the lower template is inserted into a first arc core pulling plate and a second arc core pulling plate in the forming cavity, two arc splicing grooves can be formed in the armrests directly during injection molding, post-processing is not needed, accordingly production efficiency of the armrests of the sofa can be improved, and after the armrests are injection molded, the first arc core pulling assembly and the second arc core pulling assembly can respectively drive the first arc core pulling plate and the second arc core pulling plate to be pulled out from the core pulling side of the lower template, so that products are ejected conveniently.

Description

Arc cylinder core-pulling mechanism of plastic couch armrest mould
Technical Field
The utility model belongs to the technical field of molds, and relates to a circular arc oil cylinder core-pulling mechanism of a plastic couch armrest mold.
Background
The chair body and the armrests of the plastic sofa are generally molded separately through two pairs of molds, the chair body and the armrests are spliced after being molded separately, a large number of arc-shaped parts are arranged on the chair body and the armrests of the plastic sofa for improving comfort, arc-shaped splicing parts are generally adopted at the connecting parts of the chair body and the armrests, at present, when the armrests are produced, arc-shaped groove bodies used for splicing on the armrests cannot be molded by one-step injection molding of a core-pulling structure when the armrest main body is molded, and after the armrests are molded and taken out from the molds, the arc-shaped groove bodies are processed on the armrests in the modes of cutting, drilling, polishing and the like, so that the production efficiency is low.
As disclosed in chinese patent, an injection mold for molding an integrated chair armrest [ application number: 201822124812.3 comprising a base, a lower die holder, an upper die holder, a lower die core, an upper die core and an ejection mechanism; the lower die holder is fixed above the base; the upper die holder is provided with a pouring gate, the middle part of the upper die holder is detachably provided with a hot runner, and the hot runner is communicated with the pouring gate; the lower die core is fixed on the surface of the lower die base; the upper die core is fixed on the bottom surface of the upper die base and is positioned above the lower die core, and two cavities matched with the armrests of the integrated chair are formed between the upper die core and the lower die core in a surrounding mode.
Disclosure of Invention
The utility model aims to solve the problems and provides a circular arc oil cylinder core pulling mechanism of a plastic couch armrest mould.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a plastics couch handrail mould circular arc hydro-cylinder mechanism of loosing core, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between be equipped with the shaping die cavity, the lower bolster have four lateral walls and one of them lateral wall be the core side of loosing core, the lower bolster on be equipped with from the core side insert to the interior arc core drawing board of taking out of shaping die cavity and No. two arc core drawing boards, other three lateral wall on the lower bolster on still be equipped with the three side core drawing boards that link to each other with the shaping die cavity, the cross-section of the interior terminal surface of side core drawing board be the arc and wherein the interior terminal surface of two side core drawing boards and the outer lateral wall looks adaptation of the arc core drawing board of No. one and No. two arc core drawing boards, the core side of loosing core still be equipped with the arc core drawing board of No. one and No. two arc core drawing boards link to each other and No. two arc core drawing components, the cope match-plate pattern on still be equipped with and drive three side core drawing board and to keep away from shaping die cavity orientation and remove.
In the arc oil cylinder core-pulling mechanism of the plastic couch armrest mould, the radian of the first arc-shaped core-pulling plate is larger than that of the second arc-shaped core-pulling plate.
In the arc oil cylinder core pulling mechanism of the plastic couch handrail die, the first arc core pulling assembly comprises a first core pulling seat fixed on the core pulling side, the first core pulling seat is arc-shaped, the first core pulling seat is provided with a first arc chute with the radian identical to that of the first arc core pulling plate, and the first core pulling seat is also provided with a first driving assembly capable of driving the first arc core pulling plate to slide along the first arc chute.
In the arc oil cylinder core pulling mechanism of the plastic couch handrail die, the first driving assembly comprises a first linear driver arranged on one side, far away from the lower die plate, of the first core pulling seat, an output shaft end portion of the first linear driver is connected with a first sliding block connected with the first arc core pulling plate, the first linear driver is rotationally connected with the first core pulling seat, and an output shaft end portion of the first linear driver is rotationally connected with the first sliding block through a first connecting piece.
In the arc oil cylinder core pulling mechanism of the plastic couch handrail die, the second arc core pulling assembly comprises a second core pulling seat fixed on the core pulling side, the second core pulling seat is arc-shaped, a second arc sliding groove with the radian identical to that of the second arc core pulling plate is formed in the second core pulling seat, and a second driving assembly capable of driving the second arc core pulling plate to slide along the second arc sliding groove is further arranged on the second core pulling seat.
In the arc oil cylinder core-pulling mechanism of the plastic couch handrail die, the second driving assembly comprises a second linear driver arranged on one side, far away from the lower die plate, of the second core-pulling seat, an output shaft end portion of the second linear driver is connected with a second sliding block connected with the second arc core-pulling plate, the second linear driver is rotationally connected with the second core-pulling seat, and an output shaft end portion of the second linear driver is rotationally connected with the second sliding block through a second connecting piece.
In the circular arc oil cylinder core-pulling mechanism of the plastic couch armrest mould, the first positioning pieces which can be propped against the first connecting piece are arranged on the two sides of the first core-pulling seat, and the second positioning pieces which can be propped against the second connecting piece are also arranged on the two sides of the second core-pulling seat.
In the arc oil cylinder core-pulling mechanism of the plastic couch armrest mould, the core-pulling structure comprises three groups of driving pieces which are arranged corresponding to the three side core-pulling plates, the driving pieces comprise driving rods which are obliquely fixed on the upper template, and the driving rods are obliquely inserted into the side core-pulling plates and are in sliding connection with the side core-pulling plates.
In the circular arc oil cylinder core pulling mechanism of the plastic couch armrest mould, the core pulling side of the lower template is fixedly connected with a supporting seat for supporting the first core pulling seat and the second core pulling seat.
In the arc oil cylinder core pulling mechanism of the plastic couch armrest mould, the lower side of the lower mould plate is also provided with the injection liquid splitter plate, and the injection liquid splitter plate is connected with a plurality of injection pipes which vertically penetrate through the lower mould plate and are connected with the forming cavity.
Compared with the prior art, the utility model has the advantages that:
1. the core pulling side of the lower template is inserted into a first arc core pulling plate and a second arc core pulling plate in the forming cavity, two arc splicing grooves can be formed in the armrests directly during injection molding, post-processing is not needed, accordingly production efficiency of the armrests of the sofa can be improved, and after the armrests are injection molded, the first arc core pulling assembly and the second arc core pulling assembly can respectively drive the first arc core pulling plate and the second arc core pulling plate to be pulled out from the core pulling side of the lower template, so that products are ejected conveniently.
2. The three side core-pulling plates can form arc side walls of other three sides of the handrail, and when the upper template and the lower template are separated, the three side core-pulling plates can be driven to move in the direction away from the forming cavity through the core-pulling structure, so that the side core-pulling plates are separated from the handrail product, and the product is ejected and demoulded conveniently.
3. The first driving component drives the first arc core drawing board to slide along the first arc chute with the radian identical to that of the first arc core drawing board, so that the first arc core drawing board and the handrail product can be separated without injury.
4. The second driving component drives the second arc-shaped drawing core board to slide along the second arc-shaped sliding groove with the radian identical to that of the second arc-shaped drawing core board, so that the second arc-shaped drawing core board and the handrail product can be separated without injury.
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 a schematic view of the structure of an injection molding liquid splitter plate;
fig. 4 is an enlarged schematic view at a in fig. 2.
In the figure, an upper die plate 1, a lower die plate 2, a core pulling side 3, an arc core pulling plate 4, a second arc core pulling plate 5, a side core pulling plate 6, an arc core pulling assembly 7, a second arc core pulling assembly 8, a core pulling seat 9, a first arc sliding groove 10, a first linear driver 11, a first sliding block 12, a first connecting piece 13, a second core pulling seat 14, a second arc sliding groove 15, a second linear driver 16, a second sliding block 17, a second connecting piece 18, a first positioning piece 19, a second positioning piece 20, a driving rod 21, a supporting seat 22, an injection molding liquid flow dividing plate 23 and an injection molding pipe 24.
Detailed Description
As shown in fig. 1 and 2, an arc cylinder core-pulling mechanism of a plastic couch armrest mold comprises an upper template 1 and a lower template 2, wherein a molding cavity is arranged between the upper template 1 and the lower template 2, the lower template 2 is provided with four side walls, one side wall is a core-pulling side 3, a first arc core-pulling plate 4 and a second arc core-pulling plate 5 which are inserted into the molding cavity from the core-pulling side 3 are arranged on the lower template 2, three side core-pulling plates 6 connected with the molding cavity are further arranged on the other three side walls on the lower template 2, the sections of the inner end surfaces of the side core-pulling plates 6 are arc-shaped, the inner end surfaces of the two side core-pulling plates 6 are matched with the outer side walls of the first arc core-pulling plate 4 and the second arc core-pulling plate 5, a first arc core-pulling assembly 7 and a second arc core-pulling assembly 8 which are connected with the first arc core-pulling plate 4 and the second arc core-pulling plate 5 are arranged on the lower template 2, and a core-pulling structure capable of driving the three side core-pulling plates 6 to move away from the molding cavity is further arranged on the upper template 1.
According to the utility model, the first arc-shaped core drawing plate 4 and the second arc-shaped core drawing plate 5 which are inserted into the forming cavity from the core drawing side 3 of the lower die plate can be directly formed into two arc-shaped splicing grooves in the armrest during injection molding, and post-processing is not needed, so that the production efficiency of the sofa armrest can be improved, and after the armrest is injection molded, the first arc-shaped core drawing assembly 7 and the second arc-shaped core drawing assembly 8 can respectively drive the first arc-shaped core drawing plate 4 and the second arc-shaped core drawing plate 5 to be drawn out from the core drawing side of the lower die plate, so that a product is conveniently ejected;
secondly, the three side core pulling plates 6 can form arc side walls of other three sides of the handrail, and when the upper template and the lower template are separated, the three side core pulling plates 6 can be driven to move away from the forming cavity through the core pulling structure, so that the side core pulling plates are separated from the handrail product, and the product is ejected and demoulded conveniently.
Specifically, as shown in fig. 2, the arc of the first arc-shaped coreboard 4 is larger than the arc of the second arc-shaped coreboard 5.
Specifically, the first arc core-pulling assembly 7 comprises a first core-pulling seat 9 fixed on the core-pulling side 3, the first core-pulling seat 9 is arc-shaped, the first core-pulling seat 9 is provided with a first arc chute 10 with the radian identical to that of the first arc core-pulling plate 4, and the first core-pulling seat 9 is also provided with a first driving assembly capable of driving the first arc core-pulling plate 4 to slide along the first arc chute 10. The first driving component drives the first arc-shaped core drawing board 4 to slide along the first arc-shaped sliding groove 10 with the radian identical to that of the first arc-shaped core drawing board 4, so that the first arc-shaped core drawing board 4 and the handrail product can be separated without injury.
Specifically, the first driving assembly comprises a first linear driver 11 arranged on one side, far away from the lower die plate 2, of the first core-pulling seat 9, a first sliding block 12 connected with the first arc-shaped core-pulling plate 4 is connected to the end portion of an output shaft of the first linear driver 11, the first linear driver 11 is rotationally connected with the first core-pulling seat 9, and the end portion of the output shaft of the first linear driver 11 is rotationally connected with the first sliding block 12 through a first connecting piece 13. The first linear driver can drive the first sliding block to move through the first connecting piece, and the first sliding block can slide along the first arc-shaped sliding groove due to the rotation of the first linear driver and the first core pulling seat and the rotation connection of the first connecting piece and the first sliding block, so that the first arc-shaped core pulling plate can be driven to separate from a product along the radian direction of the first arc-shaped core pulling plate.
It should be understood by those skilled in the art that the first linear actuator may be an oil cylinder, an air cylinder, a linear motor, or the like.
Specifically, the second arc core-pulling assembly 8 comprises a second core-pulling seat 14 fixed on the core-pulling side 3, the second core-pulling seat 14 is arc-shaped, a second arc chute 15 with the radian identical to that of the second arc core-pulling plate 5 is arranged on the second core-pulling seat 14, and a second driving assembly capable of driving the second arc core-pulling plate 5 to slide along the second arc chute 15 is further arranged on the second core-pulling seat 14. The second driving component drives the second arc-shaped drawing core board to slide along the second arc-shaped sliding groove with the radian identical to that of the second arc-shaped drawing core board, so that the second arc-shaped drawing core board and the handrail product can be separated without injury.
Specifically, the second driving assembly comprises a second linear driver 16 arranged on one side, far away from the lower die plate 2, of the second core drawing seat 14, a second sliding block 17 connected with the second arc-shaped core drawing plate 5 is connected to the end portion of an output shaft of the second linear driver 16, the second linear driver 16 is rotationally connected with the second core drawing seat 14, and the end portion of the output shaft of the second linear driver 16 is rotationally connected with the second sliding block 17 through a second connecting piece 18. The second linear driver can drive the second sliding block to move through the second connecting piece, and the second linear driver and the second core pulling seat rotate, so that the second sliding block can slide along the second arc-shaped sliding groove due to the fact that the second connecting piece is connected with the second sliding block in a rotating mode, and the second arc-shaped core pulling plate can be driven to be separated from a product along the radian direction of the second arc-shaped core pulling plate.
It should be understood by those skilled in the art that the second linear actuator may be an oil cylinder, an air cylinder, a linear motor, or the like.
Preferably, as shown in fig. 1, 2 and 4, the first core-pulling seat 9 is further provided with a first positioning element 19 capable of propping against the first connecting element 13 on two sides, and the second core-pulling seat 14 is further provided with a second positioning element 20 capable of propping against the second connecting element 18 on two sides. The locating pieces on two sides of the core-pulling seat can locate two limiting positions of movement of the connecting piece, and the locating pieces on two sides of the core-pulling seat can locate two limiting positions of movement of the connecting piece, so that the arc-shaped core-pulling plate and the arc-shaped core-pulling plate are located at the correct positions of the forming cavity during injection molding.
Specifically, the core-pulling structure includes three sets of driving members disposed corresponding to the three side core-pulling plates 6, the driving members including driving rods 21 obliquely fixed to the upper die plate 1, the driving rods 21 being obliquely inserted into the side core-pulling plates 6 and slidably connected to the side core-pulling plates 6. When the upper template 1 moves vertically upwards, the upper template 1 can drive the three side core drawing plates 6 to move away from the forming cavity through the driving rod 21.
Preferably, as shown in fig. 1 and 2, the core pulling side 3 of the lower die plate 2 is further fixedly connected with a supporting seat 22 for supporting the first core pulling seat 9 and the second core pulling seat 14. The support seat 22 can support the core pulling seat 9 and the core pulling seat 14.
Specifically, the lower side of the lower die plate 2 is also provided with an injection molding liquid splitter plate 23, and a plurality of injection molding pipes 24 vertically penetrating through the lower die plate 2 and connected with the molding cavity are connected to the injection molding liquid splitter plate 23. The mould in the embodiment is a flip-chip mould, the injection liquid splitter plate is positioned at the lower side of the lower mould plate, the injection efficiency can be improved through the injection liquid splitter plate and a plurality of injection pipes,
the working principle of the utility model is as follows: the first arc core-pulling plate 4 and the second arc core-pulling plate 5 which are inserted into the forming cavity from the core-pulling side 3 of the lower template can directly form two arc splicing grooves in the armrest during injection molding without post-processing, so that the production efficiency of the sofa armrest can be improved, after the armrest is subjected to injection molding, the first arc core-pulling assembly 7 and the second arc core-pulling assembly 8 can respectively drive the first arc core-pulling plate 4 and the second arc core-pulling plate 5 to be outwards pulled out from the core-pulling side of the lower template so as to facilitate ejection of a product, the three side core-pulling plates 6 can form arc side walls of other three sides of the armrest, and when the upper template and the lower template are separated, the three side core-pulling plates 6 can be driven to move away from the forming cavity through the core-pulling structure, so that the side core-pulling plates and the armrest products are separated, and the ejection and the demolding of the products are facilitated;
the first driving component drives the first arc-shaped core drawing board 4 to slide along the first arc-shaped sliding groove 10 with the same radian as that of the first arc-shaped core drawing board 4, so that the first arc-shaped core drawing board 4 and a handrail product can be separated from each other without damage, the first linear driver can drive the first sliding block to move through the first connecting piece, and the first linear driver and the first core drawing seat rotate, the first connecting piece is rotationally connected with the first sliding block to enable the first sliding block to slide along the first arc-shaped sliding groove, so that the first arc-shaped core drawing board can be driven to separate from a product along the radian direction of the first arc-shaped core drawing board, the second driving component drives the second arc-shaped core drawing board to slide along the second arc-shaped sliding groove with the same radian as that of the second arc-shaped core drawing board can enable the second arc-shaped core drawing board and the handrail product to separate from each other without damage, and the second linear driver can drive the second sliding block to move through the second connecting piece;
the locating pieces on two sides of the core pulling seat can locate two limiting positions of the movement of the connecting piece, so that the fact that the arc core pulling plate and the arc core pulling plate are located at the correct positions of the forming cavity during injection molding is guaranteed, when the upper template 1 moves vertically upwards, the upper template 1 can drive the three side core pulling plates 6 to move away from the direction of the forming cavity through the driving rod 21, and the supporting seat 22 can support the core pulling seat 9 and the core pulling seat 14.
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 core-pulling side 3, the first arc-shaped core-pulling plate 4, the second arc-shaped core-pulling plate 5, the side core-pulling plate 6, the first arc-shaped core-pulling assembly 7, the second arc-pulling assembly 8, the first core-pulling seat 9, the first arc-shaped slide groove 10, the first linear actuator 11, the first slide block 12, the first connecting member 13, the second core-pulling seat 14, the second arc-shaped slide groove 15, the second linear actuator 16, the second slide block 17, the second connecting member 18, the first positioning member 19, the second positioning member 20, the driving rod 21, the supporting seat 22, the injection-molded liquid split plate 23, the injection-molded pipe 24, etc. are used herein for convenience only in describing and explaining the essence of the present utility model; 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 a plastics couch handrail mould circular arc hydro-cylinder mechanism of loosing core, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between be equipped with into the die cavity, lower bolster (2) have four lateral walls and one of them lateral wall be core-pulling side (3), lower bolster (2) on be equipped with from core-pulling side (3) insert to the arc core-pulling plate (4) and No. two arc core-pulling plate (5) in the die cavity, other three lateral walls on lower bolster (2) on still be equipped with three side core-pulling plate (6) that link to each other with the shaping chamber, the cross-section of the interior terminal surface of side core-pulling plate (6) be arc and wherein the interior terminal surface of two side core-pulling plate (6) and the lateral wall looks adaptation of arc core-pulling plate (4) and No. two arc core-pulling plate (5), core-pulling side (3) on still be equipped with arc core-pulling component (7) and No. two arc core-pulling plate (8) that link to each other with arc core-pulling plate (4) and No. two arc core-pulling plate (5), drive side (8) on be equipped with and keep away from shaping towards the side of arc template (6) and move the side.
2. The arc cylinder core pulling mechanism of the plastic couch armrest mold according to claim 1, wherein the radian of the first arc-shaped core pulling plate (4) is larger than that of the second arc-shaped core pulling plate (5).
3. The arc cylinder core pulling mechanism of the plastic couch handrail die according to claim 2, wherein the first arc core pulling assembly (7) comprises a first core pulling seat (9) fixed on the core pulling side (3), the first core pulling seat (9) is arc-shaped, the first core pulling seat (9) is provided with a first arc chute (10) with the radian identical to that of the first arc core pulling plate (4), and the first core pulling seat (9) is also provided with a first driving assembly capable of driving the first arc core pulling plate (4) to slide along the first arc chute (10).
4. The circular arc oil cylinder core pulling mechanism of the plastic couch handrail die according to claim 3, wherein the first driving assembly comprises a first linear driver (11) arranged on one side, far away from the lower die plate (2), of the first core pulling seat (9), an output shaft end part of the first linear driver (11) is connected with a first sliding block (12) connected with a first arc core pulling plate (4), the first linear driver (11) is rotationally connected with the first core pulling seat (9), and an output shaft end part of the first linear driver (11) is rotationally connected with the first sliding block (12) through a first connecting piece (13).
5. The arc cylinder core pulling mechanism of the plastic couch handrail die of claim 4, wherein the second arc core pulling assembly (8) comprises a second core pulling seat (14) fixed on the core pulling side (3), the second core pulling seat (14) is arc-shaped, the second core pulling seat (14) is provided with a second arc chute (15) with the radian identical to that of the second arc core pulling plate (5), and the second core pulling seat (14) is also provided with a second driving assembly capable of driving the second arc core pulling plate (5) to slide along the second arc chute (15).
6. The circular arc oil cylinder core pulling mechanism of the plastic couch handrail die of claim 5, wherein the second driving assembly comprises a second linear driver (16) arranged on one side, far away from the lower die plate (2), of the second core pulling seat (14), an output shaft end part of the second linear driver (16) is connected with a second sliding block (17) connected with a second arc core pulling plate (5), the second linear driver (16) is rotationally connected with the second core pulling seat (14), and an output shaft end part of the second linear driver (16) is rotationally connected with the second sliding block (17) through a second connecting piece (18).
7. The circular arc cylinder core pulling mechanism of the plastic couch armrest mold according to claim 6, wherein a first positioning piece (19) capable of propping against a first connecting piece (13) is further arranged on two sides of the first core pulling seat (9), and a second positioning piece (20) capable of propping against a second connecting piece (18) is further arranged on two sides of the second core pulling seat (14).
8. The circular arc cylinder core pulling mechanism of the plastic couch handrail die according to claim 1, wherein the core pulling structure comprises three groups of driving pieces which are arranged corresponding to the three side core pulling plates (6), the driving pieces comprise driving rods (21) which are obliquely fixed on the upper die plate (1), and the driving rods (21) are obliquely inserted into the side core pulling plates (6) and are in sliding connection with the side core pulling plates (6).
9. The circular arc cylinder core-pulling mechanism of the plastic couch armrest mold according to claim 6, wherein a support seat (22) for supporting the first core-pulling seat (9) and the second core-pulling seat (14) is fixedly connected to the core-pulling side (3) of the lower template (2).
10. The circular arc cylinder core pulling mechanism of the plastic couch handrail die of claim 1, wherein the lower side of the lower die plate (2) is also provided with an injection liquid splitter plate (23), and a plurality of injection pipes (24) vertically penetrating through the lower die plate (2) and connected with a forming cavity are connected to the injection liquid splitter plate (23).
CN202320649735.1U 2023-03-24 2023-03-24 Arc cylinder core-pulling mechanism of plastic couch armrest mould Active CN219256338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320649735.1U CN219256338U (en) 2023-03-24 2023-03-24 Arc cylinder core-pulling mechanism of plastic couch armrest mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320649735.1U CN219256338U (en) 2023-03-24 2023-03-24 Arc cylinder core-pulling mechanism of plastic couch armrest mould

Publications (1)

Publication Number Publication Date
CN219256338U true CN219256338U (en) 2023-06-27

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Application Number Title Priority Date Filing Date
CN202320649735.1U Active CN219256338U (en) 2023-03-24 2023-03-24 Arc cylinder core-pulling mechanism of plastic couch armrest mould

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