CN110696297A - Injection molding shaping mold - Google Patents
Injection molding shaping mold Download PDFInfo
- Publication number
- CN110696297A CN110696297A CN201911136503.0A CN201911136503A CN110696297A CN 110696297 A CN110696297 A CN 110696297A CN 201911136503 A CN201911136503 A CN 201911136503A CN 110696297 A CN110696297 A CN 110696297A
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- CN
- China
- Prior art keywords
- lower die
- mold
- push plate
- ejector rod
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The invention provides an injection molding part shaping mold which comprises an upper mold, a lower mold, a mold cavity, through holes, a lower mold ejector rod and a push plate, wherein the through holes comprise a first through hole and a second through hole, the second through hole is formed in the center of the bottom of the mold cavity, the first through holes comprise at least two through holes which are annularly arranged on the second through hole and are arranged at intervals with the first through holes; the lower die ejector rods comprise at least two first lower die ejector rods matched with the first through holes and a second lower die ejector rod matched with the second through holes, the first lower die ejector rods are respectively inserted into the first through holes and form sliding connection, and the second lower die ejector rods are inserted into the second through holes and form sliding connection; the push plate comprises a first push plate and a second push plate, the first push plate and the second push plate are arranged opposite to the lower die at intervals and are mutually independent, and the first push plate and the second push plate are fixedly connected with a first lower die ejector rod and a second lower die ejector rod respectively. Compared with the prior art, the injection molding part shaping mold can avoid the deformation caused by the shrinkage of a product when the lower mold ejector rod ejects the product.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of injection molding, in particular to a shaping mold for an injection molding part.
[ background of the invention ]
With the continuous development of science and technology, more and more products are made of plastic materials, and the required shape of making needs then need adopt corresponding mould to carry out injection moulding.
The injection molding and shaping mold in the related art comprises an upper mold, a lower mold, a mold cavity, a through hole, a lower mold ejector rod and a push plate, wherein the lower mold is arranged opposite to the upper mold, the mold cavity is formed by the fact that the lower mold is sunken towards the direction far away from the upper mold, the through hole penetrates through the bottom of the mold cavity and is communicated with the outside, the lower mold ejector rod is matched with the through hole, and the push plate is.
However, the injection shaping mold in the related art has only one push plate, and when the push plate pushes the lower mold ejector rod to set a product, the product shrinks and deforms, so that the bent product cannot be corrected.
Therefore, there is a need to provide a new mold for injection molding to solve the above problems.
[ summary of the invention ]
The invention aims to provide an injection molding shaping mold which does not deform a product.
In order to achieve the purpose, the invention provides an injection molding part shaping die which comprises an upper die, a lower die matched with the upper die, a die cavity formed by sinking from one side of the lower die close to the upper die to the direction far away from the upper die, a through hole penetrating through the bottom of the die cavity and communicating the die cavity with the outside, a lower die ejector rod inserted into the through hole and forming sliding connection, and a push plate fixedly connected with the lower die ejector rod;
the through holes comprise a first through hole and a second through hole, the second through hole is formed in the center of the bottom of the die cavity, and the first through hole comprises at least two through holes which are annularly arranged on the second through hole and are arranged at intervals with the second through hole;
the lower die ejector rods comprise at least two first lower die ejector rods matched with the first through holes and a second lower die ejector rod matched with the second through holes, the first lower die ejector rods are respectively inserted into the first through holes and form sliding connection, and the second lower die ejector rods are inserted into the second through holes and form sliding connection;
the push pedal includes first push pedal and second push pedal, first push pedal with the second push pedal all with the lower mould interval sets up relatively and mutual independence, first push pedal with the second push pedal respectively with first lower mould ejector pin with second lower mould ejector pin fixed connection.
Preferably, the first lower die ejector rod is far away from the end face of the lower die and fixedly connected with the first push plate, the second lower die ejector rod is far away from the end face of the lower die and fixedly connected with the second push plate, and the second push plate is located between the first push plate and the lower die.
Preferably, the second push plate is sleeved on the first lower die ejector rod and is in sliding connection with the first lower die ejector rod.
Preferably, the first through opening comprises two and is respectively located at two opposite sides of the second through opening.
Preferably, the two first through openings are symmetrically arranged with respect to the second through opening.
Preferably, the first and second ports are square.
The invention also provides a use method of the injection molding part shaping mold, which comprises the following steps:
injecting a material flow into the mold cavity through an injection molding machine, wherein the material flow is solidified to form a product in the mold cavity; the upper die and the lower die are opened, the first push plate and the second push plate respectively push the first lower die ejector rod and the second lower die ejector rod, and the first lower die ejector rod and the second lower die ejector rod eject the product in the die cavity;
when the first lower die ejector rod and the second lower die ejector rod eject the product:
if the product is in convex bending deformation, the first push plate is pushed first and then the second push plate is pushed;
if the product is in concave bending deformation, the second push plate is pushed first and then the first push plate is pushed.
Compared with the prior art, the injection molding part shaping mold has the advantages that the through holes comprise the first through hole and the second through hole, the second through hole is formed in the center of the bottom of the mold cavity, and the first through hole comprises at least two through holes which are annularly arranged on the second through hole and are arranged at intervals with the second through hole; the lower die ejector rods comprise at least two first lower die ejector rods matched with the first through holes and a second lower die ejector rod matched with the second through holes, the first lower die ejector rods are respectively inserted into the first through holes and form sliding connection, and the second lower die ejector rods are inserted into the second through holes and form sliding connection; the push plates comprise a first push plate and a second push plate, the first push plate and the second push plate are arranged opposite to the lower die at intervals and are mutually independent, and the first push plate and the second push plate are respectively fixedly connected with a first lower die ejector rod and a second lower die ejector rod; the product accomplishes the back of moulding plastics in the die cavity, if the product produces and is bellied bending deformation, promotes earlier first push pedal promotes again the second push pedal if the product produces and is sunken bending deformation, promotes earlier the second push pedal promotes again first push pedal utilizes first push pedal and second push pedal to promote respectively first lower mould ejector pin with second lower mould ejector pin is to the product anti-warping deformation correction, and when the effectual ejecting product of lower mould ejector pin of having avoided, the product can warp because of the shrink.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a mold for shaping an injection molded part according to the present invention;
fig. 2 is a sectional view showing a three-dimensional structure of the injection molding reshaping mold according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an injection molding part shaping mold 10, which includes an upper mold 1, a lower mold 2 matched with the upper mold, a mold cavity 3 formed by recessing from one side of the lower mold 1 close to the upper mold 2 to a direction away from the upper mold 1, a through hole 4 penetrating the bottom of the mold cavity 3 and communicating the mold cavity 3 with the outside, a lower mold ejector rod 5 inserted into the through hole 4 and forming a sliding connection, and a push plate 6 fixedly connected with the lower mold ejector rod 5.
The opening 4 includes first opening 41 and second opening 42, second opening 42 opens in the central point of die cavity 3 bottom puts, first opening 41 includes at least two and the ring locates second opening 42, and with second opening 42 interval sets up.
In this embodiment, the first through holes 41 include two first through holes 41 respectively located at two opposite sides of the second through hole 42, and the two first through holes 41 are symmetrically arranged with respect to the second through hole;
the shape of the first through-hole 41 and the second through-hole 42 is not limited, and in the present embodiment, both the first through-hole 41 and the second through-hole 42 are square.
The lower die ejector rod 5 comprises at least two first lower die ejector rods 51 matched with the first through holes 41 and a second lower die ejector rod 52 matched with the second through holes 42, the first lower die ejector rods 51 are respectively inserted into the first through holes 41 and form sliding connection, and the second lower die ejector rod 52 is inserted into the second through holes 42 and form sliding connection.
The push plate 6 comprises a first push plate 61 and a second push plate 62, the first push plate 61 and the second push plate 62 are all opposite to each other at intervals of the lower die 2 and are mutually independent, the first push plate 61 is fixedly connected with the first lower die ejector rod 51, and the second push plate 62 is fixedly connected with the second lower die ejector rod 52.
Further, the end surface of the first lower die ejector rod 51, which is far away from the lower die 2, is fixedly connected with the first push plate 61, the end surface of the second lower die ejector rod 52, which is far away from the lower die 2, is fixedly connected with the second push plate 62, and the second push plate 62 is located between the first push plate 61 and the lower die 2.
Furthermore, the second push plate 62 is sleeved on the first lower mold ejector rod 51 and forms a sliding connection with the first lower mold ejector rod 51, in this embodiment, the first lower mold ejector rod 51 includes two lower mold ejector rods 51 respectively located at two opposite sides of the second lower mold ejector rod 52, and the two lower mold ejector rods 51 are symmetrically arranged with respect to the second lower mold ejector rod 52.
In the embodiment, after the product 7 is injected in the mold cavity 3, the lower mold ejector rod 5 ejects the product 7, and at this time, the product shrinks and deforms; if the product produces and is bellied bending deformation, promote earlier first push pedal 61 promotes again second push pedal 62 if the product produces and is sunken bending deformation, promotes earlier second push pedal 62 promotes again first push pedal 61 utilizes first push pedal 61 and second push pedal 62 to promote respectively first lower mould ejector pin 51 with second lower mould ejector pin 52 is carried out the anti-warping deformation to the product and is corrected, when the effectual ejecting product of lower mould ejector pin of having avoided, the product can warp because of the shrink.
Compared with the prior art, the injection molding part shaping mold has the advantages that the through holes comprise the first through hole and the second through hole, the second through hole is formed in the center of the bottom of the mold cavity, and the first through hole comprises at least two through holes which are annularly arranged on the second through hole and are arranged at intervals with the second through hole; the lower die ejector rods comprise at least two first lower die ejector rods matched with the first through holes and a second lower die ejector rod matched with the second through holes, the first lower die ejector rods are respectively inserted into the first through holes and form sliding connection, and the second lower die ejector rods are inserted into the second through holes and form sliding connection; the push plates comprise a first push plate and a second push plate, the first push plate and the second push plate are arranged opposite to the lower die at intervals and are mutually independent, and the first push plate and the second push plate are respectively fixedly connected with a first lower die ejector rod and a second lower die ejector rod; the product accomplishes the back of moulding plastics in the die cavity, if the product produces and is bellied bending deformation, promotes earlier first push pedal promotes again the second push pedal if the product produces and is sunken bending deformation, promotes earlier the second push pedal promotes again first push pedal utilizes first push pedal and second push pedal to promote respectively first lower mould ejector pin with second lower mould ejector pin is to the product anti-warping deformation correction, and when the effectual ejecting product of lower mould ejector pin of having avoided, the product can warp because of the shrink.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A shaping die for injection molding parts comprises an upper die, a lower die matched with the upper die, a die cavity formed by sinking from one side of the lower die close to the upper die to the direction far away from the upper die, a through hole penetrating through the bottom of the die cavity and communicating the die cavity with the outside, a lower die ejector rod inserted in the through hole and forming sliding connection, and a push plate fixedly connected with the lower die ejector rod,
the through holes comprise a first through hole and a second through hole, the second through hole is formed in the center of the bottom of the die cavity, and the first through hole comprises at least two through holes which are annularly arranged on the second through hole and are arranged at intervals with the second through hole;
the lower die ejector rods comprise at least two first lower die ejector rods matched with the first through holes and a second lower die ejector rod matched with the second through holes, the first lower die ejector rods are respectively inserted into the first through holes and form sliding connection, and the second lower die ejector rods are inserted into the second through holes and form sliding connection;
the push pedal includes first push pedal and second push pedal, first push pedal with the second push pedal all with the lower mould interval sets up relatively and mutual independence, first push pedal with the second push pedal respectively with first lower mould ejector pin with second lower mould ejector pin fixed connection.
2. The injection molding reshaping mold of claim 1, wherein the end surface of the first lower mold ejector rod away from the lower mold is fixedly connected with the first push plate, the end surface of the second lower mold ejector rod away from the lower mold is fixedly connected with the second push plate, and the second push plate is located between the first push plate and the lower mold.
3. The injection molding reshaping mold of claim 2, wherein the second ejector plate is sleeved on the first lower mold ejector rod and forms a sliding connection with the first lower mold ejector rod.
4. The injection molding reshaping mold of claim 1, wherein the first port comprises two and is located on opposite sides of the second port.
5. The injection molding reshaping mold of claim 4, wherein the two first through openings are symmetrically disposed about the second through opening.
6. The injection molding reshaping mold of claim 1, wherein the first and second through-openings are square.
7. Use of a mold for reshaping injection molded parts according to any of claims 1 to 6, comprising the steps of:
injecting a material flow into the mold cavity through an injection molding machine, wherein the material flow is solidified to form a product in the mold cavity; the upper die and the lower die are opened, the first push plate and the second push plate respectively push the first lower die ejector rod and the second lower die ejector rod, and the first lower die ejector rod and the second lower die ejector rod eject the product in the die cavity;
when the first lower die ejector rod and the second lower die ejector rod eject the product:
if the product is in convex bending deformation, the first push plate is pushed first and then the second push plate is pushed;
if the product is in concave bending deformation, the second push plate is pushed first and then the first push plate is pushed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136503.0A CN110696297A (en) | 2019-11-19 | 2019-11-19 | Injection molding shaping mold |
| PCT/CN2019/123852 WO2021097950A1 (en) | 2019-11-19 | 2019-12-07 | Deformation-prevention injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136503.0A CN110696297A (en) | 2019-11-19 | 2019-11-19 | Injection molding shaping mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110696297A true CN110696297A (en) | 2020-01-17 |
Family
ID=69207412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911136503.0A Pending CN110696297A (en) | 2019-11-19 | 2019-11-19 | Injection molding shaping mold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110696297A (en) |
| WO (1) | WO2021097950A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188641A (en) * | 1982-04-30 | 1983-11-04 | Mitsubishi Heavy Ind Ltd | Multiple extruding device of injection molding machine |
| JPS60172514A (en) * | 1984-02-20 | 1985-09-06 | Sankyo Kasei Kk | Injection molding machine |
| JPH06126789A (en) * | 1992-10-21 | 1994-05-10 | Toyo Mach & Metal Co Ltd | Injection compression molding machine |
| CN206124109U (en) * | 2016-07-20 | 2017-04-26 | 广东烨嘉光电科技股份有限公司 | Take injection mold of trapezoidal reference column |
| CN106881821A (en) * | 2015-12-16 | 2017-06-23 | 重庆昇顺科技有限公司 | A kind of mould |
| CN108638456A (en) * | 2018-05-08 | 2018-10-12 | 瑞声精密制造科技(常州)有限公司 | Processing mold |
| CN108819094A (en) * | 2018-07-18 | 2018-11-16 | 太仓市众翔精密五金有限公司 | A kind of the quick injection molding technique and mold of complex precise notebook computer casing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202846813U (en) * | 2012-06-29 | 2013-04-03 | 苏州正豪塑胶电子有限公司 | Injection molding die for preventing bottom of battery connector from being bent |
| CN203580017U (en) * | 2013-11-21 | 2014-05-07 | 富港电子（东莞）有限公司 | Mould |
| CN204340128U (en) * | 2014-11-17 | 2015-05-20 | 精森源模具（深圳）有限公司 | The mechanism that push rod ejects order can be controlled in a kind of mould |
-
2019
- 2019-11-19 CN CN201911136503.0A patent/CN110696297A/en active Pending
- 2019-12-07 WO PCT/CN2019/123852 patent/WO2021097950A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188641A (en) * | 1982-04-30 | 1983-11-04 | Mitsubishi Heavy Ind Ltd | Multiple extruding device of injection molding machine |
| JPS60172514A (en) * | 1984-02-20 | 1985-09-06 | Sankyo Kasei Kk | Injection molding machine |
| JPH06126789A (en) * | 1992-10-21 | 1994-05-10 | Toyo Mach & Metal Co Ltd | Injection compression molding machine |
| CN106881821A (en) * | 2015-12-16 | 2017-06-23 | 重庆昇顺科技有限公司 | A kind of mould |
| CN206124109U (en) * | 2016-07-20 | 2017-04-26 | 广东烨嘉光电科技股份有限公司 | Take injection mold of trapezoidal reference column |
| CN108638456A (en) * | 2018-05-08 | 2018-10-12 | 瑞声精密制造科技(常州)有限公司 | Processing mold |
| CN108819094A (en) * | 2018-07-18 | 2018-11-16 | 太仓市众翔精密五金有限公司 | A kind of the quick injection molding technique and mold of complex precise notebook computer casing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021097950A1 (en) | 2021-05-27 |
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Application publication date: 20200117 |
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