CN110328803A - A kind of injection molding process - Google Patents
A kind of injection molding process Download PDFInfo
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- CN110328803A CN110328803A CN201910363840.7A CN201910363840A CN110328803A CN 110328803 A CN110328803 A CN 110328803A CN 201910363840 A CN201910363840 A CN 201910363840A CN 110328803 A CN110328803 A CN 110328803A
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- finished product
- injection molding
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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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of injection molding process, comprising the following steps: carries out injection molding for the first time and forms semi-finished product material band, the semi-finished product material band includes the sequentially connected semi-finished product section of multistage；It carries out second to the semi-finished product material band using TPU material to be molded, forming seal section forms injecting products section in the semi-finished product section paragraph by paragraph.The present invention forms the semi-finished product material band with the sequentially connected semi-finished product section of multistage by first carrying out injection molding for the first time, reuse the formation that TPU material injection forming seal section directly in semi-finished product section carries out injecting products section, the injecting products section with sealing performance is effectively realized to realize, and since seal section is formed by the direct injection molding of TPU material, to which stable product quality be effectively ensured, production efficiency is effectively increased.
Description
Technical field
The present invention relates to injection molding technology fields, more particularly to a kind of injection molding process.
Background technique
Injection molding technology is a kind of method of industrial products production moulding, usually infuses thermoplastic or thermosetting plastics
Enter and plastic products of various shapes are made in injection mold.It can according to need to form various shapes by injection molding process
Injecting products are suitable for various application fields.Existing injecting products in the application, can usually propose sealing requirements, thus
Realize that water proof and dust proof etc. requires, and existing injection molding process is difficult to meet directly formation and there is the injection molding of sealing performance to produce
Product, conventional solution is after injecting products molding in addition by silica gel snare on injecting products, to realize leakproofness
It is required that but in this way since silica gel ring needs manually installed, one side inefficiency, another aspect unstable quality, it is difficult to guarantee
Product yield.
Summary of the invention
The technical problem to be solved by the present invention is to be capable of providing a kind of injection molding process, production effect can be effectively improved
Rate realizes the sealing performance of injecting products.
In order to solve the above technical problems, the present invention provides a kind of injection molding process, comprising the following steps:
It carries out injection molding for the first time and forms semi-finished product material band, the semi-finished product material band includes the sequentially connected semi-finished product of multistage
Section；
Second is carried out to the semi-finished product material band using TPU material to be molded, and is formed in the semi-finished product section paragraph by paragraph close
It seals section and forms injecting products section.
As a preferred solution of the present invention, it is by strip blank that progress injection molding for the first time, which forms semi-finished product material band,
It is sent into injection mold paragraph by paragraph and carries out injection molding formation semi-finished product material band.
As a preferred solution of the present invention, the strip blank includes the sequentially connected blank section of multistage；First
In secondary injection molding, latter section of blank section is drawn in when the last period blank section is formed after semi-finished product section pulls out injection mold through injection molding
In injection mold.
It is as a preferred solution of the present invention, described that forming seal section forms injection molding production in the semi-finished product section paragraph by paragraph
It is that latter section of semi-finished product section drawn in mold after injecting products section pulls out mold that product section, which is by the last period semi-finished product section injection molding,
It carries out injection molding and forms injecting products section.
As a preferred solution of the present invention, the injecting products section includes multiple Katos.
As a preferred solution of the present invention, the semi-finished product section includes multiple Kato semi-finished product.
As a preferred solution of the present invention, the TPU material in second of injection molding is used to form close in Kato
Seal.
The present invention has the following technical effect that the present invention is sequentially connected by first carrying out injection molding formation for the first time with multistage
Semi-finished product section semi-finished product material band, reusing TPU material injection, forming seal section carries out injection molding production directly in semi-finished product section
The formation of product section effectively realizes the injecting products section with sealing performance and realizes, and since seal section is straight by TPU material
It connects injection molding to be formed, so that stable product quality be effectively ensured, effectively increases production efficiency.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of injection molding process provided by the invention；
Fig. 2 is a kind of structural schematic diagram of strip blank provided by the invention；
Fig. 3 is a kind of structural schematic diagram of semi-finished product material band provided by the invention；
Fig. 4 is a kind of structural schematic diagram of semi-finished product material band provided by the invention.
Specific embodiment
To make the purpose of the present invention, technical solution and advantage are clearer, with reference to the accompanying drawing to embodiment of the present invention
It is described in further detail.Obviously, described embodiment is a part of the embodiments of the present invention, rather than whole implementation
Example.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained under the premise of being not necessarily to creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term that the present invention uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the present invention and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts.In the description of the present invention,
It is to be appreciated that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore the term of positional relationship is described in attached drawing
Only for illustration, it should not be understood as the limitation to this patent, for the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term is understood according to concrete condition.
As shown in Figure 1, which show a kind of injection molding process provided by the invention.The injection molding process includes following
Step:
It carries out injection molding for the first time and forms semi-finished product material band, the semi-finished product material band includes the sequentially connected semi-finished product of multistage
Section；
Second is carried out to the semi-finished product material band using TPU material to be molded, and is formed in the semi-finished product section paragraph by paragraph close
It seals section and forms injecting products section.
In this way, the present invention forms the semi-finished product with the sequentially connected semi-finished product section of multistage by first carrying out injection molding for the first time
Material strip reuses the formation that TPU material injection forming seal section directly in semi-finished product section carries out injecting products section, effectively realizes
Injecting products section with sealing performance realizes, and due to seal section be formed by the direct injection molding of TPU material, thus
Stable product quality has been effectively ensured, has effectively increased production efficiency.In particular it is required that explanation, semi-finished product section can be with
Including multiple semi-finished product, accordingly molding seal section also includes multiple sealings in the semi-finished product section, each sealing
The corresponding semi-finished product setting in portion, in this way, the injecting products section formed includes multiple injecting products, each injecting products includes
One semi-finished product and the sealing on semi-finished product, to have good sealing performance.
Specifically, in the present embodiment, it is that strip blank is piecewise that progress injection molding for the first time, which forms semi-finished product material band,
It is sent into injection mold and carries out injection molding formation semi-finished product material band.More specifically, the strip blank includes that multistage successively connects
The blank section connect；In first time injection molding, when the last period blank section is after injection molding forms semi-finished product section pull-out injection mold
Latter section of blank section is drawn in injection mold.That is, first passing through strip blank in first time injection molding and being sent into note paragraph by paragraph
Injection molding is carried out in mould, is pulled strip blank that can also effectively realize when being opened after injection molding and is drawn semi-finished product section
Out, the blank section for having semi-finished product section unformed in strip blank can then be drawn in injection mold, carry out next section of semi-finished product
The injection molding of section, to realize continuous injection molding, it should be noted that since each section of blank section in strip blank can be according to
It is secondary to be connected, therefore one section of blank section can be sent into injection mold and be molded into while one section of semi-finished product section pulls out
Production efficiency has been effectively ensured in type.
It is specifically, in the present embodiment, described that forming seal section forms injecting products section in the semi-finished product section paragraph by paragraph
For by the last period semi-finished product section injection molding be injecting products section pull out mold after by latter section of semi-finished product section draw in mold carry out
Injection molding forms injecting products section.I.e. in second of injection molding, in first time injection molding in molding semi-finished product material band
One section of semi-finished product section be sent into mold carry out injection molding after, so that it may effectively by pull semi-finished product material band will be molding
Injecting products section pulls out mold, next section of semi-finished product section is sent into mold is sealed the molding of section later, to form note
Molding product section.
In the following, a kind of injection molding process provided by the invention is further described by taking the production of Kato as an example, block
Support is applied on intelligent electronic device, for placing the peripheral hardwares card such as SIM card or storage card, now in order to guarantee smart electronics
The sealing performance of equipment also proposed the seal requests such as water proof and dust proof to Kato.Existing Kato is all by filling waterproof by hand
Silica gel ring realizes sealing performance, so that inefficiency, unstable product quality.
When injection molding process provided by the invention is applied to the production of Kato, firstly, carrying out the injection molding of Kato semi-finished product
Molding, in order to improve the production efficiency, single injection-molded can produce multiple Kato semi-finished product simultaneously, and make multiple Katos
Semi-finished product are in turn connected to form semi-finished product section；And in order to guarantee the continuity of production and improve efficiency, can make multistage half at
Product section forms semi-finished product material band.Specifically, as Figure 2-3, strip blank 100 is first provided, the strip blank 100 includes more
The sequentially connected blank section 10 of section, the blank section 10 are matched with semi-finished product section 20, wherein blank section 10 may include one or
The multiple sub- blanks 1 of person, every sub- blank 1, later can will be every in strip blank 100 for fixing a Kato semi-finished product 2
One section of blank section 10, which is sent into injection mold, carries out injection molding, corresponding, after multiple while molding Kato semi-finished product 2 form
It is fixed on formation semi-finished product section 20 on multiple sub- blanks 1, semi-finished product section 20 just includes multiple Kato semi-finished product 1, is then pulled
Strip blank 100 can pull out semi-finished product section 20, by do not carry out injection molding blank section 100 be sent into injection mold in into
Row carries out injection molding, so as to form semi-finished product section 20 paragraph by paragraph and semi-finished product section 20 has been in turn connected to form semi-finished product material
Band 100.It it should be noted that sub- blank 1 can be not involved in the molding of Kato semi-finished product 2, such as is only the ring to play a supportive role
Shape steel disc can also participate in the molding of Kato semi-finished product 2, for example, be used to support the support steel disc with reinforcing effect.
It further, can be with after in first time, the semi-finished product material band 200 that is formed by multiple Kato semi-finished product 2 is completed in injection molding
It carries out second to be molded, in this injection molding, TPU material is used to be molded as injection raw material, similarly, semi-finished product material band
200 piecewise are sent into mold are molded, as shown in figure 4, TPU material is formed after injection molding cooperates shape with semi-finished product section 20
At seal section 310, so as to form injecting products section 30, injecting products section 30 includes multiple Katos 3, and the injection molding formed paragraph by paragraph produces
Product end is sequentially connected.Specifically, in the present embodiment, seal section 310 include multiple sealing rings 31, each sealing ring 31 with card
Ask the cooperation of semi-finished product 2 so as to form the Kato 3 of the sealing performance with water proof and dust proof.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (7)
1. a kind of injection molding process, which comprises the following steps:
It carries out injection molding for the first time and forms semi-finished product material band, the semi-finished product material band includes the sequentially connected semi-finished product section of multistage；
It carries out second to the semi-finished product material band using TPU material to be molded, paragraph by paragraph the forming seal section in the semi-finished product section
Form injecting products section.
2. injection molding process according to claim 1, which is characterized in that injection molding forms semi-finished product for the first time for the progress
Material strip is to be sent into strip blank paragraph by paragraph in injection mold to carry out injection molding formation semi-finished product material band.
3. injection molding process according to claim 2, which is characterized in that the strip blank includes that multistage is sequentially connected
Blank section；In first time injection molding, when the last period blank section will after injection molding forms semi-finished product section pull-out injection mold
Latter section of blank section is drawn in injection mold.
4. injection molding process according to claim 1, which is characterized in that described to be formed in the semi-finished product section paragraph by paragraph
Seal section formed injecting products section be by the last period semi-finished product section injection molding be injecting products section pull out mold after by latter section
Semi-finished product section draws in mold and carries out injection molding formation injecting products section.
5. injection molding process according to claim 1, which is characterized in that the injecting products section includes multiple Katos.
6. injection molding process according to claim 5, which is characterized in that the semi-finished product section include multiple Katos half at
Product.
7. injection molding process according to claim 6, which is characterized in that the TPU material in second of injection molding is used
In the sealing ring formed in Kato.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363840.7A CN110328803A (en) | 2019-04-30 | 2019-04-30 | A kind of injection molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363840.7A CN110328803A (en) | 2019-04-30 | 2019-04-30 | A kind of injection molding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110328803A true CN110328803A (en) | 2019-10-15 |
Family
ID=68139984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363840.7A Pending CN110328803A (en) | 2019-04-30 | 2019-04-30 | A kind of injection molding process |
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| Country | Link |
|---|---|
| CN (1) | CN110328803A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206884043U (en) * | 2017-07-07 | 2018-01-16 | 通达（厦门）精密橡塑有限公司 | A kind of SIM card support waterproof grommet is molded assembly system |
| CN107839145A (en) * | 2017-10-24 | 2018-03-27 | 广东方振新材料精密组件有限公司 | A kind of metal Kato water-proof silica-gel sealing ring its shaping process |
| CN108582641A (en) * | 2018-04-20 | 2018-09-28 | 现代精密自动化（深圳）有限公司 | Kato automatic production method |
| CN109159360A (en) * | 2018-10-19 | 2019-01-08 | 深圳市精而美科技有限公司 | A kind of adapted to injection system and method |
| CN109333916A (en) * | 2018-10-19 | 2019-02-15 | 深圳市精而美科技有限公司 | A kind of Kato process units and method |
-
2019
- 2019-04-30 CN CN201910363840.7A patent/CN110328803A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206884043U (en) * | 2017-07-07 | 2018-01-16 | 通达（厦门）精密橡塑有限公司 | A kind of SIM card support waterproof grommet is molded assembly system |
| CN107839145A (en) * | 2017-10-24 | 2018-03-27 | 广东方振新材料精密组件有限公司 | A kind of metal Kato water-proof silica-gel sealing ring its shaping process |
| CN108582641A (en) * | 2018-04-20 | 2018-09-28 | 现代精密自动化（深圳）有限公司 | Kato automatic production method |
| CN109159360A (en) * | 2018-10-19 | 2019-01-08 | 深圳市精而美科技有限公司 | A kind of adapted to injection system and method |
| CN109333916A (en) * | 2018-10-19 | 2019-02-15 | 深圳市精而美科技有限公司 | A kind of Kato process units and method |
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| PB01 | Publication | ||
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Application publication date: 20191015 |