CN111823482B - Positioning structure of mould - Google Patents
Positioning structure of mould Download PDFInfo
- Publication number
- CN111823482B CN111823482B CN201910325900.6A CN201910325900A CN111823482B CN 111823482 B CN111823482 B CN 111823482B CN 201910325900 A CN201910325900 A CN 201910325900A CN 111823482 B CN111823482 B CN 111823482B
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- CN
- China
- Prior art keywords
- positioning
- shifting block
- positioning blocks
- mould
- core
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14163—Positioning or centering articles in the mould using springs being part of the positioning means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a positioning structure of a mould, which is arranged in the mould for embedding a plastic part in a metal part, wherein the mould comprises a female mould core, a male mould core and a positioning column, and the positioning structure of the mould comprises: the ejector rod is arranged on the bottom surface of the female die core; the shifting block is arranged in the male die core and is positioned below the ejector rod; the two positioning blocks are arranged in the male die core, the two positioning blocks are respectively positioned on two sides of the shifting block, the shifting block slides up and down on the two positioning blocks, and one of the positioning blocks is spaced from the metal piece by a certain distance; and the elastic element is arranged between the core insert and the shifting block and between the core insert and the positioning block respectively, and pushes the shifting block and the positioning block to move through elastic deformation. According to the positioning structure of the die, the ejector rod, the shifting block, the positioning block and the elastic element are matched, so that the metal piece can be prevented from being failed in forming due to sliding during forming.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a positioning structure, in particular to a positioning structure of a mold.
[ background of the invention ]
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a mold structure for embedding a plastic part in a metal part. The mold 100 has the positioning posts 110, and in molding, the metal member 120 is first placed into the positioning posts 110, the female mold core is pressed down by the mold closing machine, and then the injection molding is performed. However, when the mold is closed, the positioning column 110 is worn by pressing the positioning column with the cavity insert multiple times, so that the diameter of the positioning column 110 is smaller and smaller, and the metal part is easily loosened during molding, and even the size of the final molded product does not meet the production requirement.
In view of the above, it is actually necessary to provide a positioning structure of a mold, which is used to fix a metal part and prevent the metal part from moving during injection molding so that the molded product does not meet the production requirement.
[ summary of the invention ]
The invention aims to provide a positioning structure of a mould, which is arranged in the mould for embedding a plastic part in a metal part, wherein the mould comprises a female mould core, a male mould core and a positioning column, and the positioning structure of the mould comprises:
the ejector rod is arranged on the bottom surface of the female die core;
the shifting block is arranged in the male die core and is positioned below the ejector rod;
the two positioning blocks are arranged in the male die core, the two positioning blocks are respectively positioned on two sides of the shifting block, the shifting block slides up and down on the two positioning blocks, and one of the positioning blocks is spaced from the metal piece by a certain distance;
and the elastic element is arranged between the core insert and the shifting block and between the core insert and the positioning block respectively, and pushes the shifting block and the positioning block to move through elastic deformation.
Optionally, the side surfaces of the two positioning blocks, which are in contact with the shifting block, are of an inclined surface structure.
Optionally, the up-and-down sliding distance of the shifting block between the two positioning blocks is 2mm-4 mm.
Optionally, a certain distance between one of the positioning blocks and the metal piece is between 0.5mm and 1 mm.
Optionally, the elastic element is a spring.
Optionally, the elastic element is in a compressed state when the mold is closed.
Before forming, placing the metal piece on a positioning column for coarse positioning, then moving a female die core downwards during die assembly, simultaneously driving an ejector rod to move downwards until the ejector rod abuts against a shifting block and drives the shifting block to move downwards together, meanwhile, moving a positioning block towards the metal piece under the pushing of the shifting block until the positioning block abuts against and fixes the metal piece, and finally injecting glue for forming; after the molding is finished, the male die core and the female die core are separated, the ejector rod is separated from the shifting block under the driving of the female die core, meanwhile, the elastic element is changed from a compression state to an extension state, the shifting block is pushed to move upwards, then the positioning block is separated from the molded metal piece, the ejector pin ejects the molded metal piece, and the die opening is finished.
Compared with the prior art, the positioning structure of the die drives the positioning block to horizontally move to fix the metal piece through the matching among the ejector rod, the shifting block, the positioning block and the elastic element, so that the metal piece is prevented from being failed in forming due to sliding during forming. The positioning structure of the die is simple and convenient to manufacture, reduces the manufacturing cost of the die, is beneficial to saving the die opening time and improves the working efficiency.
[ description of the drawings ]
Fig. 1 is a schematic diagram illustrating a mold structure for embedding a plastic member in a metal member.
Fig. 2 is a schematic structural view of the positioning structure of the mold of the present invention in a mold clamping state.
Fig. 3 is a schematic structural view of the positioning structure of the mold of the present invention in the mold opening state.
[ detailed description ] embodiments
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to a preferred embodiment of the present invention and the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic structural view of the positioning structure of the mold of the present invention in a mold closing state. In this embodiment, the present invention provides a positioning structure 200 of a mold, which is disposed in a mold for embedding a plastic part in a metal part 10, the mold includes a cavity 201, a core 202 and a positioning post 20, the positioning structure 200 of the mold includes:
the ejector rod 210 is arranged on the bottom surface of the cavity insert 201;
a shifting block 220 disposed in the core insert 202 and located below the lift rod 210;
two positioning blocks 230 disposed in the core insert 202, wherein the two positioning blocks 230 are respectively located at two sides of the dial block 220, the dial block 220 slides up and down on the two positioning blocks 230, and one of the positioning blocks 230 is spaced from the metal part 10 by a certain distance;
the elastic element 240 is disposed between the core insert 202 and the pick 220 and the positioning block 230, respectively, and the elastic element 240 pushes the pick 220 and the positioning block 230 to move through elastic deformation.
In this embodiment, the side surfaces of the two positioning blocks 230 contacting with the shifting block 220 are inclined surfaces, and the shifting block 220 pushes the positioning blocks 230 to move through the inclined surfaces.
In this embodiment, the sliding distance between the two positioning blocks 230 and the dial block 220 is 2mm-4 mm.
In this embodiment, a certain distance between one of the positioning blocks 230 and the metal component 10 is between 0.5mm and 1 mm.
In this embodiment, the elastic element 240 is a spring.
In this embodiment, the elastic element 240 is compressed when the mold is closed.
Referring to fig. 2 again, fig. 2 is a schematic structural view of the positioning structure of the mold of the present invention in a mold clamping state.
Before forming, the metal piece 10 is placed in the positioning column 20 for rough positioning, then the cavity insert 201 moves downwards during die assembly, the ejector rod 210 also moves downwards along with the cavity insert 201 until the bottom of the ejector rod 210 abuts against the shifting block 220 and drives the shifting block 220 to move downwards, meanwhile, the positioning block 230 moves towards the metal piece 10 under the pushing action of the shifting block 220 until the positioning block 230 pushes and fixes the metal piece 10, and finally glue is injected into the metal piece 10 for forming.
Referring to fig. 3, fig. 3 is a schematic structural view of the positioning structure of the mold of the present invention in the mold opening state.
After the molding is finished, the core insert 202 is separated from the cavity insert 201, the ejector rod 210 is separated from the shifting block 220 under the driving of the cavity insert 201, meanwhile, the elastic element 240 is changed from a compression state to an extension state and pushes the shifting block 220 to move upwards, then the positioning block 230 is separated from the molded metal part 10 under the action of the elastic element 240, and finally the ejector rod ejects the molded metal part 10 to complete the mold opening.
According to the positioning structure 200 of the mold, the positioning block 230 is driven to horizontally move to fix the metal piece 10 through the cooperation of the ejector rod 210, the shifting block 220, the positioning block 230 and the elastic element 240, so that the metal piece 10 is prevented from being failed in molding due to sliding during molding. The positioning structure 200 of the die is simple and convenient to manufacture, reduces the manufacturing cost of the die, is beneficial to saving the die opening time and improves the working efficiency.
It should be noted that the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by those skilled in the art based on the technical solution of the present invention fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a location structure of mould, sets up in the mould of burying plastic part underground at the metalwork, the mould includes a cavity benevolence, a core benevolence and a reference column, its characterized in that, the location structure of this mould includes:
the ejector rod is arranged on the bottom surface of the female die core;
the shifting block is arranged in the male die core and is positioned below the ejector rod;
the two positioning blocks are arranged in the male die core, the two positioning blocks are respectively positioned on two sides of the shifting block, the shifting block slides up and down on the two positioning blocks, and one of the positioning blocks is spaced from the metal piece by a certain distance;
and the elastic elements are respectively arranged between the core insert and the shifting block and between the two positioning blocks, the side surfaces of the two positioning blocks, which are contacted with the shifting block, are of an inclined surface structure, and the elastic elements push the shifting block to vertically move and the positioning blocks to horizontally move through elastic deformation.
2. The mold positioning structure according to claim 1, wherein the up-and-down sliding distance of the dial block between the two positioning blocks is between 2mm and 4 mm.
3. The mold positioning structure of claim 1, wherein the one of the positioning blocks is spaced from the metal member by a distance of 0.5mm to 1 mm.
4. The positioning structure of the mold according to claim 1, wherein the elastic member is a spring.
5. The mold positioning structure according to claim 1 or 4, wherein the elastic member is in a compressed state when the molds are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325900.6A CN111823482B (en) | 2019-04-23 | 2019-04-23 | Positioning structure of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325900.6A CN111823482B (en) | 2019-04-23 | 2019-04-23 | Positioning structure of mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111823482A CN111823482A (en) | 2020-10-27 |
| CN111823482B true CN111823482B (en) | 2022-03-15 |
Family
ID=72912229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910325900.6A Active CN111823482B (en) | 2019-04-23 | 2019-04-23 | Positioning structure of mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111823482B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203267081U (en) * | 2013-04-17 | 2013-11-06 | 东莞富强电子有限公司 | Insert molding mould |
| CN204076586U (en) * | 2014-07-31 | 2015-01-07 | 上海维科精密模塑有限公司 | A kind of injection mould for insert insert-positioning mechanism |
| CN206493516U (en) * | 2017-01-10 | 2017-09-15 | 广州维思车用部件有限公司 | Injection mold with metal insert |
| CN207128178U (en) * | 2017-08-23 | 2018-03-23 | 杭州飞尔达精密模具有限公司 | A kind of insert positioning device |
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2019
- 2019-04-23 CN CN201910325900.6A patent/CN111823482B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111823482A (en) | 2020-10-27 |
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