CN218803675U - Ejector sleeve type ejection die - Google Patents

Ejector sleeve type ejection die Download PDF

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Publication number
CN218803675U
CN218803675U CN202222859994.5U CN202222859994U CN218803675U CN 218803675 U CN218803675 U CN 218803675U CN 202222859994 U CN202222859994 U CN 202222859994U CN 218803675 U CN218803675 U CN 218803675U
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China
Prior art keywords
die
assembly
top plate
plate assembly
ejector
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CN202222859994.5U
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Chinese (zh)
Inventor
张爱军
张步进
周北方
陈启佳
易军军
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Greatech Mold And Plastic Co ltd
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Greatech Mold And Plastic Co ltd
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Abstract

The utility model relates to a mould injection molding technical field specifically discloses an ejector sleeve type ejection die, including last membrane module, lower membrane module, roof plate module, bottom plate subassembly, briquetting, knock roll, fore-set and an department section of thick bamboo, through setting up briquetting and fore-set between a knock roll and an department section of thick bamboo for can not take place to interfere with the interior needle of an department section of thick bamboo when the knock roll orders about the overcoat up-and-down motion of an department section of thick bamboo, and then solve the problem that current injection die can't carry out ejecting processing to the high glue position directly over the knock roll.

Description

Ejector sleeve type ejection die
Technical Field
The utility model relates to a mould injection molding technical field especially relates to an ejecting mould of department's cylinder formula.
Background
Referring to fig. 1, the conventional injection mold includes:
an upper die assembly 1;
the lower die component 2 is matched with the upper die component 1 to form a die cavity for manufacturing an injection product 12;
the top plate assembly 3 is positioned below the lower die assembly 2, and can move up and down relative to the lower die assembly 2;
the bottom plate assembly 4 is positioned below the top plate assembly 3, and is fixedly arranged with the lower die assembly 2;
the top roller 6 penetrates through the bottom plate assembly 4, is connected with the top plate assembly 3 and is used for driving the top plate assembly 3 to move up and down;
the ejector sleeve 8 comprises an inner needle 801 and an outer sleeve 802 which is sleeved outside the inner needle 801 in a sliding manner, the lower end of the inner needle 801 penetrates through the top plate component 3 and then is fixedly connected with the bottom plate component 4, and the lower end of the outer sleeve 802 is fixed on the top plate component 3.
After injection molding is finished, when an injection molding product 12 in the mold cavity needs to be ejected, the top roller 6 drives the top plate component 3 to slide upwards relative to the lower mold component 2; in the process, the inner needle 801 is fixed on the bottom plate component 4, and the outer sleeve 802 vertically moves upwards and extends into the mold cavity under the guiding action of the inner needle 801, so as to jack up the injection molding product 12.
Generally, the cartridge 8 should be positioned opposite the thicker portion of the injection molded product 12 (commonly referred to as the high glue level) so as not to push through the product. However, the following problems exist with respect to the existing injection mold:
the inner needle 801 of the ejector sleeve 8 needs to penetrate through the top plate assembly 3 and then be fixed to the bottom plate assembly 4, and the top roller 6 needs to penetrate through the bottom plate assembly 4 and then be connected with the top plate assembly 3, so that the ejector sleeve 8 cannot be arranged right above the top roller 6, otherwise, the inner needle 801 interferes with the top roller 6. Therefore, the conventional injection mold cannot perform ejection processing on the high glue level directly above the top roller 6.
In summary, the existing injection mold needs to be improved to solve the problem that the high glue position right above the top roller cannot be ejected.
The above information disclosed in this background section is only included to enhance understanding of the background of the disclosure and, thus, may contain information that does not form the prior art that is currently known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ejecting mould of department's cylinder type can effectively solve current injection mold and can't carry out the problem of ejecting processing to the high position of gluing directly over the knock-out roll.
For reaching above purpose, the utility model provides an ejecting mould of department's cylinder formula, include:
an upper die assembly;
the lower die assembly and the upper die assembly are assembled to form a die cavity for manufacturing an injection molding product;
the top plate assembly is positioned below the lower die assembly and is arranged in a vertically sliding mode relative to the lower die assembly;
the bottom plate assembly is positioned below the top plate assembly and is fixedly arranged with the lower die assembly; the bottom plate assembly is provided with a through containing groove;
the pressing block is arranged in the through containing groove and provided with a through sliding groove;
the top roller is positioned below the pressing block;
the upper end of the top column is connected with the bottom plate assembly, and the lower end of the top column penetrates through the through chute and then is connected with the top roller;
the ejector sleeve comprises an inner needle and an outer sleeve sleeved outside the inner needle in a sliding mode, the lower end of the inner needle penetrates through the top plate assembly and then is fixedly connected with the pressing block, the lower end of the outer sleeve is fixed on the top plate assembly, and the upper end of the outer sleeve is driven by the top roller to eject the injection molding product out of the lower die assembly.
Optionally, the upper mold assembly includes an upper mold plate and an upper mold core embedded in the bottom of the upper mold plate.
Optionally, the lower die assembly includes a lower die plate and a lower die core embedded in the top of the lower die plate.
Optionally, the lower die plate is connected with the bottom plate assembly through a vertical guide pillar, and the vertical guide pillar penetrates through the top plate assembly in a sliding manner.
Optionally, a return spring for driving the top plate assembly to slide downwards is arranged between the lower template and the top plate assembly.
Optionally, the top plate assembly includes an upper top plate and a lower top plate located below the upper top plate.
Optionally, the bottom plate assembly includes an upper bottom plate and a lower bottom plate located below the upper bottom plate.
Optionally, the top pillar is fastened to the top plate assembly by a fastener.
The beneficial effects of the utility model reside in that: the utility model provides an ejector sleeve type ejection die, set up briquetting and fore-set between top roll and an department section of thick bamboo for can not take place to interfere with the interior needle of an department section of thick bamboo when the top roll orders about the overcoat up-and-down motion of an department section of thick bamboo, and then solve the problem that current injection mold can't carry out ejecting processing to the high glue position directly over the top roll.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a conventional injection mold provided in the background art;
fig. 2 is a schematic structural view of a cartridge-type ejection mold provided in the embodiment.
In the figure:
1. an upper die assembly; 101. mounting a template; 102. an upper die core;
2. a lower die assembly; 201. a lower template; 202. a lower die core;
3. a top plate assembly; 301. an upper top plate; 302. a lower top plate;
4. a base plate assembly; 401. an upper base plate; 402. a lower base plate;
5. briquetting;
6. a top roll;
7. a top pillar;
8. a ejector sleeve; 801. an inner needle; 802. a jacket;
9. a vertical guide post;
10. a return spring;
11. a fastener;
12. and (5) injection molding of the product.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The present invention will be described in detail below with reference to specific embodiments shown in the accompanying drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
The utility model provides an ejecting mould of department's cylinder formula is applicable to and carries out ejecting application scene to the injection moulding product of moulding plastics completion back to the die cavity, and it can glue the position to the height directly over the knock-out roll and carry out ejecting, and then solves the problem that current injection mould can't glue the position to the height directly over the knock-out roll and carry out ejecting processing.
Referring to fig. 2, in the present embodiment, the ejector-type die includes an upper die assembly 1, a lower die assembly 2, a top plate assembly 3, a bottom plate assembly 4, a pressing block 5, a top roller 6, a top pillar 7, and an ejector 8.
The upper mold assembly 1 comprises an upper mold plate 101 and an upper mold core 102 embedded in the bottom of the upper mold plate 101. The lower die assembly 2 comprises a lower die plate 201 and a lower die core 202 embedded in the top of the lower die plate 201. After the lower mold assembly 2 and the upper mold assembly 1 are closed, a gap between the upper mold core 102 and the lower mold core 202 forms a mold cavity for manufacturing the injection product 12.
The bottom plate assembly 4 is located below the top plate assembly 3, and includes an upper bottom plate 401 and a lower bottom plate 402 located below the upper bottom plate 401. The upper bottom plate 401 is fixedly connected with the lower template 201 through a vertical guide post 9.
The top plate assembly 3 is located below the lower mold assembly 2, and includes an upper top plate 301 and a lower top plate 302 located below the upper top plate 301. The vertical guide posts 9 slide through the top plate assembly 3, so that the top plate assembly 3 can slide up and down relative to the lower die assembly 2 under the guiding action of the vertical guide posts 9. Further, a return spring 10 for driving the top plate assembly 3 to slide downwards is arranged between the lower template 201 and the top plate assembly 3.
The bottom plate assembly 4 is provided with a through containing groove, a pressing block 5 fixedly connected with the bottom plate assembly 4 is arranged in the through containing groove, and a through sliding groove is formed in the pressing block 5.
The ejector 8 includes an inner needle 801 and an outer sleeve 802 slidably fitted over the inner needle 801. The upper end of the outer sleeve 802 extends to the lower part of the injection molding product 12, and the lower end of the outer sleeve 802 is fixed on the upper top plate 301 and can move up and down along with the upper top plate 301.
The upper end of the inner needle 801 is slidably inserted into the outer sleeve 802, and the lower end of the inner needle passes through the lower top plate 302 and then is fixedly connected with the top of the pressing block 5. The top roller 6 is positioned below the pressing block 5; the upper end of the top column 7 is connected with the top plate component 3 and the bottom plate component 4 through a fastening piece 11 such as a fastening bolt, and the lower end of the top column penetrates through the through sliding groove and then is connected with the top roller 6. When the top roller 6 moves up and down, the top pillar 7 slides up and down relative to the pressing block 5 in the through sliding groove, so that the inner needle 801 is kept still, and the outer sleeve 802 slides up and down.
When the injection product 12 in the mold cavity needs to be ejected, the ejector-type ejection mold provided by the embodiment has the following working process:
s10: the top roller 6 moves upwards to drive the top column 7 to slide upwards relative to the pressing block 5;
s20: the top plate component 3 overcomes the elastic force of the return spring 10 and slides upwards along the vertical guide rod after being driven by the top column 7;
in the process, the inner needle 801 is fixed in the pressing block 5, the outer sleeve 802 slides upwards along with the top plate component 3 and extends into the mold cavity, and the injection molding product 12 is ejected out;
s30: after the injection molding product 12 is ejected, the top roller 6 moves downwards, and the return spring 10 drives the top plate component 3 to drive the outer sleeve 802 to slide downwards until the top of the outer sleeve 802 exits from the mold cavity, so that the next injection molding operation can be performed.
The utility model provides an ejecting mould of department's cylinder sets up briquetting 5 and fore-set 7 between 6 and the department's section of thick bamboo 8 of knock-out roll for 6 knock-out rolls can not take place to interfere with the interior needle 801 of a department's section of thick bamboo 8 when ordering about the overcoat 802 up-and-down motion of a department's section of thick bamboo 8, and then solve current injection mold and can't carry out the problem of ejecting processing to the high glue position directly over the knock-out roll 6.
It should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (8)

1. An ejector-type ejection die, comprising:
an upper die assembly;
the lower die assembly and the upper die assembly are assembled to form a die cavity for manufacturing an injection molding product;
the top plate assembly is positioned below the lower die assembly and is arranged in a vertically sliding mode relative to the lower die assembly;
the bottom plate assembly is positioned below the top plate assembly and is fixedly arranged with the lower die assembly; the bottom plate assembly is provided with a through containing groove;
the pressing block is arranged in the through containing groove and is provided with a through sliding groove;
the top roller is positioned below the pressing block;
the upper end of the top column is connected with the bottom plate assembly, and the lower end of the top column penetrates through the through chute and then is connected with the top roller;
the ejector sleeve comprises an inner needle and an outer sleeve sleeved outside the inner needle, the lower end of the inner needle penetrates through the top plate assembly and then is fixedly connected with the pressing block, the lower end of the outer sleeve is fixed on the top plate assembly, and the upper end of the outer sleeve is driven by the top roller and then ejects the injection molding product out of the lower die assembly.
2. The ejector die of claim 1, wherein said upper die assembly comprises an upper die plate and an upper die core mounted to a bottom of said upper die plate.
3. The ejector die of claim 2, wherein said lower die assembly comprises a lower die plate and a lower die core mounted on top of said lower die plate.
4. The ejector die of claim 3, wherein the lower die plate is connected to the bottom plate assembly by vertical guide posts that slidably extend through the top plate assembly.
5. The ejector sleeve type ejection die as claimed in claim 4, wherein a return spring for driving the top plate assembly to slide downward is provided between the lower die plate and the top plate assembly.
6. The ejector die of claim 1, wherein said top plate assembly comprises an upper top plate and a lower top plate located below said upper top plate.
7. The ejector cartridge die of claim 1, wherein said base plate assembly includes an upper base plate and a lower base plate located below said upper base plate.
8. The ejector die of claim 1, wherein said top post is fixedly attached to said top plate assembly by fasteners.
CN202222859994.5U 2022-10-28 2022-10-28 Ejector sleeve type ejection die Active CN218803675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222859994.5U CN218803675U (en) 2022-10-28 2022-10-28 Ejector sleeve type ejection die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222859994.5U CN218803675U (en) 2022-10-28 2022-10-28 Ejector sleeve type ejection die

Publications (1)

Publication Number Publication Date
CN218803675U true CN218803675U (en) 2023-04-07

Family

ID=87260136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222859994.5U Active CN218803675U (en) 2022-10-28 2022-10-28 Ejector sleeve type ejection die

Country Status (1)

Country Link
CN (1) CN218803675U (en)

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