CN211566824U - Injection mold convenient for discharging - Google Patents
Injection mold convenient for discharging Download PDFInfo
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- CN211566824U CN211566824U CN202020105311.5U CN202020105311U CN211566824U CN 211566824 U CN211566824 U CN 211566824U CN 202020105311 U CN202020105311 U CN 202020105311U CN 211566824 U CN211566824 U CN 211566824U
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- discharging
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Abstract
The utility model relates to an injection mold technical field especially relates to an injection mold who conveniently unloads, has solved prior art injection molding directly by release, and the injection molding is stained with the mould easily and attaches, leads to the problem of the off-the-shelf defect of injection molding. The utility model provides an injection mold who conveniently unloads, includes upper fixing plate, upper fixing plate's bottom fixedly connected with cope match-plate pattern, and the inside of cope match-plate pattern is equipped with the core, through the runner intercommunication between core and the cope match-plate pattern, and the bottom of cope match-plate pattern is equipped with lower mould fixed plate, is equipped with between cope match-plate pattern and the lower mould fixed plate with lower mould fixed plate fixed connection's backing plate, and the inside sliding connection of lower mould fixed plate has two that one end extends to the outside to be the symmetrical distribution. The utility model discloses before the injection molding is unloaded, use the cope match-plate pattern as the motive force, drive the slide bar and slide, and then drive the ejector pin and unload in advance the injection molding, make the injection molding not hard up, reduce the off-the-shelf defect of injection molding.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold who conveniently unloads.
Background
The plastic mould is a tool which is matched with a plastic forming machine in the plastic processing industry and gives a complete configuration and an accurate size to a plastic product, the plastic mould and the plastic product have various structures due to various plastic varieties and processing methods, so the plastic mould and the plastic product have various types and structures, the injection molding processing is to clamp the injection mould on an injection molding machine, molten plastic is injected into a forming mould cavity and cooled and shaped in the cavity, then an upper mould and a lower mould are separated, the product is ejected out of the mould cavity through an ejection system and leaves the mould, finally the mould is closed again for next injection molding, and the whole injection molding process is carried out circularly.
After injection mold injection molding is accomplished, at first open mould and lower mould, promote the stripper afterwards and release, and then release the injection molding, the injection molding is direct to be released, and the injection molding is stained with the mould and attaches easily, leads to the off-the-shelf defect of injection molding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient injection mold of unloading has solved prior art injection molding directly by releasing, and the injection molding is stained with the mould easily and attaches, leads to the problem of the off-the-shelf defect of injection molding.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an injection mold who conveniently unloads, including an upper fixed die plate, an upper fixed die plate's bottom fixedly connected with cope match-plate pattern, the inside of cope match-plate pattern is equipped with the core, communicate through the runner between core and the cope match-plate pattern, the bottom of cope match-plate pattern is equipped with lower fixed die plate, be equipped with between cope match-plate pattern and the lower fixed die plate with lower fixed die plate fixed connection's backing plate, the inside sliding connection of lower fixed die plate has two stripper bars that are the symmetric distribution that one end extends to the outside, stripper fixed connection is passed through with the one end of two stripper bars, the top of stripper is equipped with two ejector pins that are the symmetric distribution, sliding connection has the slide bar between stripper and the cope match-plate pattern, when the slide bar.
Preferably, a return spring is arranged between the discharging plate and the backing plate, and two ends of the return spring are fixedly connected with the discharging plate and the backing plate respectively.
Preferably, the inside of cope match-plate pattern is equipped with the cushion, and the bottom inner wall fixed connection of cushion and cope match-plate pattern.
Preferably, the top of the stripper plate is provided with two chamfers which are symmetrically distributed.
Preferably, the top of the sliding rod is provided with two chamfers which are symmetrically distributed.
Preferably, the bottom of the upper template is provided with a protective sleeve inserted into the backing plate, and the protective sleeve is in sliding connection with the sliding rod.
Preferably, the bottom of the protective sleeve is provided with a chamfer.
The utility model discloses possess following beneficial effect at least:
the upper template and the upper template are driven by a hydraulic cylinder of the injection molding machine, the upper template and the upper template are separated from the cushion plate, at the moment, the upper template moves, after the upper template moves to a certain distance, an injection molding part is separated from a mold core, the upper template continues to move, the upper template then drives the slide rod to move, the slide rod drives the stripper plate to move, the stripper plate pushes the ejector rod to move, the ejector rod pre-unloads the injection molding part, then, the stripper rod is pushed to drive the stripper plate to move, further, the ejector rod continues to move, the ejector rod completely ejects the injection molding part, the ejection of the injection molding part is finished, compared with the prior art, after the injection molding of the injection molding mold is finished, firstly, the upper mold and the lower mold are opened, then, the stripper plate is pushed, the injection molding part is further pushed, the injection molding part is directly pushed, the injection molding, the upper die plate is used as a driving force to drive the sliding rod to slide, so that the ejector rod is driven to pre-unload the injection molding piece, the injection molding piece is loosened, the defect of the finished injection molding piece is reduced, and the injection molding piece is convenient to unload.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
fig. 3 is a state diagram of the mold opening in fig. 2.
In the figure: 1. an upper die fixing plate; 2. mounting a template; 3. a base plate; 4. a lower die fixing plate; 5. a gate; 6. a core; 7. a discharge rod; 8. a stripper plate; 9. a top rod; 10. a return spring; 11. a slide bar; 12. cushion blocks; 13. and protecting the casing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, an injection mold facilitating discharging comprises an upper mold fixing plate 1, an upper mold plate 2 fixedly connected to the bottom of the upper mold fixing plate 1, a mold core 6 arranged inside the upper mold plate 2, specifically, the mold core 6 fixedly connected to the upper mold plate 2, the mold core 6 communicating with the upper mold plate 2 through a gate 5, specifically, the gate 5 fixedly connected to the upper mold fixing plate 1, a runner arranged inside the gate 5, the upper mold fixing plate 1 connected to the mold core 6 through the runner and the gate 5, a lower mold fixing plate 4 arranged at the bottom of the upper mold plate 2, a backing plate 3 fixedly connected to the lower mold fixing plate 4 arranged between the upper mold plate 2 and the lower mold fixing plate 4, two symmetrically distributed discharging rods 7 having one end extending to the outside and slidably connected to the inside of the lower mold fixing plate 4, the same ends of the two discharging rods 7 fixedly connected to each other through a discharging plate 8, two symmetrically distributed ejector rods 9 arranged, specifically, ejector pin 9 and stripper 8 fixed connection, sliding connection has slide bar 11 between stripper 8 and the cope match-plate pattern 2, and is specific, and slide bar 11 is located backing plate 3's inside, and when slide bar 11 slided the lower extreme of cope match-plate pattern 2, stripper 8 unloaded the injection molding in core 6, and is specific, through guide pillar (not showing) and guide pin bushing (not showing) sliding connection between cope match-plate pattern 2, fixed plate for upper mold 1, backing plate 3 and the fixed plate for lower mould 4.
The scheme has the following working processes:
after injection mold moulds plastics the lamp stand, the injection molding is after the shaping in core 6, release the injection molding machine, cope match-plate pattern 2 with under the pneumatic cylinder drive of injection molding machine, cope match-plate pattern 1 and cope match-plate pattern 2 break away from backing plate 3, this moment, cope match-plate pattern 2 removes, after cope match-plate pattern 2 removes to a section distance, the injection molding breaks away from core 6, cope match-plate pattern 2 continues to remove, cope match-plate pattern 2 drives slide bar 11 removal afterwards, slide bar 11 drives stripper 8 and removes, stripper 8 promotes ejector pin 9 and removes, ejector pin 9 carries out the preliminary discharge with the injection molding, afterwards, promote stripper 7 again, stripper 7 drives stripper 8 and removes, and then drive ejector pin 9 and continue to remove, ejector pin 9 is ejecting the injection molding completely, the ejection of compact of injection molding finishes.
According to the working process, the following steps are known:
the upper template 2 and the upper template 1 are separated from the backing plate 3 under the drive of a hydraulic cylinder of an injection molding machine, at the moment, the upper template 2 moves, after the upper template 2 moves to a certain distance, an injection molding part is separated from a mold core 6, the upper template 2 continues to move, the upper template 2 then drives a slide rod 11 to move, the slide rod 11 drives a stripper plate 8 to move, the stripper plate 8 pushes a mandril 9 to move, the mandril 9 carries out pre-unloading on the injection molding part, then, the stripper rod 7 is pushed, the stripper plate 8 is driven to move by the stripper rod 7, the mandril 9 further drives the mandril 9 to continue to move, the mandril 9 completely ejects the injection molding part, the discharge of the injection molding part is finished, compared with the prior art, after the injection molding of the injection molding mold is finished, the upper mold and the lower mold are firstly opened, then, the stripper rod 7 is pushed to eject the stripper, lead to the off-the-shelf defect of injection molding, this scheme uses cope match-plate pattern 2 as the motive force before the injection molding is unloaded, drives slide bar 11 and slides, and then drives ejector pin 9 and unload in advance to the injection molding, makes the injection molding not hard up, reduces the off-the-shelf defect of injection molding, makes things convenient for unloading of injection molding, simple structure moreover, convenient operation, convenient popularization.
Be equipped with reset spring 10 between stripper 8 and the backing plate 3, reset spring 10's both ends respectively with stripper 8 and 3 fixed connection of backing plate, when 8 ejecting injection moldings of stripper, reset spring 10 compresses, and after the injection moldings was ejecting completely, reset spring 10 kick-backs, and stripper 8 resets, uses reset spring 10 to make things convenient for the resetting of stripper 8, and then makes things convenient for unloading of injection molding more.
Furthermore, a cushion block 12 is arranged inside the upper template 2, and the cushion block 12 is fixedly connected with the inner wall of the bottom of the upper template 2, so that when the slide rod 11 slides to the bottom of the upper template 2, the cushion block 12 can cushion the slide rod 11, protect the slide rod 11 and prevent the mold from being damaged; simultaneously, two chamfers that are the symmetric distribution are seted up at the top of stripper 8 to make things convenient for the release of stripper 8 more when stripper 8 releases, make things convenient for unloading of injection molding.
In addition, two symmetrically distributed chamfers are arranged at the top of the sliding rod 11, and when the sliding rod 11 slides in the upper template 2, the sliding of the sliding rod 11 can be more convenient through the chamfers; the bottom of the upper template 2 is provided with a protective sleeve 13 inserted into the backing plate 3, the protective sleeve 13 is in sliding connection with the slide bar 11, when the slide bar 11 is in the mold, the protective sleeve 13 reduces the influence of the high temperature of the mold core 6 on the slide bar 11, and can prevent plastic particles from entering the slide bar 11 to protect the slide bar 11; similarly, the bottom of protecting sleeve 13 is equipped with the chamfer for when protecting sleeve 13 resets, protecting sleeve 13's chamfer makes things convenient for more in protecting sleeve 13 inserts backing plate 3, makes things convenient for protecting sleeve 13's use more.
To sum up, the utility model discloses before the injection molding is unloaded, use cope match-plate pattern 2 as the motive force, drive slide bar 11 and slide, and then drive ejector pin 9 and unload in advance to the injection molding, make the injection molding not hard up, reduce the off-the-shelf defect of injection molding, make things convenient for unloading of injection molding, after the injection molding is ejecting completely, reset spring 10 kick-backs, and stripper 8 resets, uses reset spring 10 to make things convenient for resetting of stripper 8, and then makes things convenient for unloading of injection molding more.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An injection mold convenient for discharging comprises an upper mold fixing plate (1) and is characterized in that an upper mold plate (2) is fixedly connected to the bottom of the upper mold fixing plate (1), a mold core (6) is arranged inside the upper mold plate (2), the mold core (6) is communicated with the upper mold plate (2) through a pouring gate (5), a lower mold fixing plate (4) is arranged at the bottom of the upper mold plate (2), a backing plate (3) fixedly connected with the lower mold fixing plate (4) is arranged between the upper mold plate (2) and the lower mold fixing plate (4), two discharging rods (7) with one ends extending to the outer side are connected to the inner portion of the lower mold fixing plate (4) in a sliding mode, the same ends of the two discharging rods (7) are fixedly connected through a discharging plate (8), two ejector rods (9) are symmetrically distributed at the top of the discharging plate (8), a sliding rod (11) is connected between the discharging plate (8) and the upper template (2) in a sliding mode, and when the sliding rod (11) slides to the lowest end of the upper template (2), the discharging plate (8) discharges the injection molding parts in the mold core (6).
2. An injection mould according to claim 1, characterized in that a return spring (10) is arranged between the stripper plate (8) and the backing plate (3), and both ends of the return spring (10) are fixedly connected with the stripper plate (8) and the backing plate (3), respectively.
3. An injection mould according to claim 1, characterized in that the upper mould plate (2) is provided with a spacer (12) inside, and the spacer (12) is fixedly connected with the bottom inner wall of the upper mould plate (2).
4. An injection mould according to claim 1, characterized in that the top of the stripper plate (8) is provided with two symmetrically arranged chamfers.
5. An injection mould according to claim 1, characterized in that the top of the slide bar (11) is provided with two symmetrically arranged chamfers.
6. An injection mould according to claim 1, characterized in that the bottom of the upper template (2) is provided with a protective sleeve (13) inserted inside the shim plate (3), said protective sleeve (13) being slidably connected to the slide bar (11).
7. An injection mould according to claim 6, characterized in that the bottom of the protective sleeve (13) is chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020105311.5U CN211566824U (en) | 2020-01-17 | 2020-01-17 | Injection mold convenient for discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020105311.5U CN211566824U (en) | 2020-01-17 | 2020-01-17 | Injection mold convenient for discharging |
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| Publication Number | Publication Date |
|---|---|
| CN211566824U true CN211566824U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020105311.5U Active CN211566824U (en) | 2020-01-17 | 2020-01-17 | Injection mold convenient for discharging |
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| CN (1) | CN211566824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834000A (en) * | 2022-04-20 | 2022-08-02 | 王正 | Injection mold convenient for discharging |
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2020
- 2020-01-17 CN CN202020105311.5U patent/CN211566824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834000A (en) * | 2022-04-20 | 2022-08-02 | 王正 | Injection mold convenient for discharging |
| CN114834000B (en) * | 2022-04-20 | 2023-11-03 | 佛山市顺德区天玛仕电子有限公司 | Injection mold convenient to discharge |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314015 Xinluo Road West, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Guangjie Plastic Industry Co.,Ltd. Address before: 314000 West Xinluo Road, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Guangjie Plastic Industry Co.,Ltd. |
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| CP03 | Change of name, title or address |