CN103862621A - Production method of fuel pump plastic part with metal insert - Google Patents
Production method of fuel pump plastic part with metal insert Download PDFInfo
- Publication number
- CN103862621A CN103862621A CN201410122802.XA CN201410122802A CN103862621A CN 103862621 A CN103862621 A CN 103862621A CN 201410122802 A CN201410122802 A CN 201410122802A CN 103862621 A CN103862621 A CN 103862621A
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- CN
- China
- Prior art keywords
- metal insert
- preheating
- plastic pellet
- plastics
- lubricating oil
- 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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
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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
-
- 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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
-
- 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
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
-
- 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
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
- B29C2045/14877—Pretreatment of the insert, e.g. etching, cleaning preheating or precooling the insert for non-deforming purposes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a production method of a fuel pump plastic part with a metal insert. The production method comprises the following steps: (1) degreasing a to-be-inserted metal insert; (2) respectively preheating the metal insert, a utilized injection mold and utilized plastic particles; (3) putting the metal insert into the injection mold after the preheating processes, injecting the plastic particles, and carrying out injection molding to form an injection molding member containing the metal insert; (4) tempering the injection molding member; (5) after the tempering process, carrying out turning and milling machining so as to finally form the plastic part with the metal insert. The plastic part produced by the production method cannot crack and lose the efficacy after being subjected to high and low temperature cycling shock tests and an endurance test.
Description
Technical field
The present invention relates to lubricating oil pump production of plastics parts technical field, particularly relate to a kind of lubricating oil pump production of plastics parts method with metal insert.
Background technology
While producing lubricating pump of automobile, need much working of plastics with metal insert, those working of plastics generally use as motor function part.The plastic material that those working of plastics use is respectively: the polyether sulfone KR4113 of German BASF, and the polyether sulfone LUVOCOM1100-8549 of German LEHVOSS company PESU-(CF10+C10+PTFE10), PES mit62%(CF, C, PTFE), its feature is that rigidity is high, wearability good, high temperature resistant, corrosion-resistant, but manufacturing process complexity, especially using steel part as inserts, the injection moulding together of the combination of materials of two kinds of different attributes, metalworking, have suitable difficulty.If it is improper to control, the moulding with inserts very easily therein wall produces shrinkage porosite, bubble, even in long duration test, high and low temperature impact test, ftractures.Therefore, need a kind of preventing ftracture and prevent that the production of bubble is with the method for the working of plastics of metal insert.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of lubricating oil pump production of plastics parts method with metal insert, for solving prior art working of plastics problem easy to crack.
For achieving the above object and other relevant objects, the invention provides a kind of lubricating oil pump production of plastics parts method with metal insert, it comprises the following steps:
1) metal insert to be inlayed is carried out to ungrease treatment;
2) by described metal insert, the injection mould that uses and plastic pellet used carry out respectively preheating;
3) after preheating, described metal insert is inserted in injection mould, then inject described plastic pellet and carry out injection moulding, form the moulding that includes metal insert;
4) described moulding is carried out to temper;
5) after temper, carry out turning, milling drum processing, the described working of plastics with metal insert of final formation.
Preferably, grease water-proofing treatment is carried out on described working of plastics surface step 5) being formed.
Preferably, to step 2) in described plastic pellet preheating before, first described plastic pellet is carried out to drying and processing.
Preferably, the described metal insert temperature after preheating is controlled between 100 DEG C to 180 DEG C; Described injection mould temperature after preheating is controlled between 120 DEG C to 200 DEG C; Described plastic pellet temperature after preheating is controlled between 100 DEG C to 150 DEG C.
Preferably, described injection mould is hot runner mould, adopts Hot runner Technology to carry out injection moulding to described plastic pellet in the time carrying out injection moulding.
Further, in the time of the injection moulding of carrying out in step 3), the described plastic pellet that control becomes solation body contains described metal insert with identical flow velocity, pressure and temperature.
As mentioned above, lubricating oil pump production of plastics parts method with metal insert of the present invention, there is following beneficial effect: the present invention adopts, before injection moulding, metal insert, injection mould and plastic pellet (being plastic material) carried out to preheating, make three reach uniform temperature, reduce the temperature difference, to reduce cooling contraction; After the reduction temperature difference, further adopt again temper to reduce stress simultaneously, so just thoroughly reduce shrinkage cracking tendency,, all again there is not Cracking Failure problem through high low temperature circulation impact test, long duration test in the moulding that utilizes production method of the present invention to produce.
Brief description of the drawings
Fig. 1 is shown as the schematic flow sheet of the lubricating oil pump production of plastics parts method with metal insert of the present invention.
Detailed description of the invention
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this description.The present invention can also be implemented or be applied by other different detailed description of the invention, and the every details in this description also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
As shown in Figure 1, the invention provides a kind of lubricating oil pump production of plastics parts method with metal insert, it comprises the following steps:
1) metal insert to be inlayed is carried out to ungrease treatment;
2) by metal insert, the injection mould that uses and plastic pellet used carry out respectively preheating; After preheating, metal insert temperature is controlled between 100 DEG C to 180 DEG C; Injection mould temperature is controlled between 120 DEG C to 200 DEG C; Described plastic pellet temperature is controlled between 100 DEG C to 150 DEG C;
3) after preheating, metal insert is inserted in injection mould, then injected plastic particle carries out injection moulding, forms the moulding that includes metal insert;
4) moulding is carried out to temper;
5), after temper, carry out turning, milling drum processing, the final working of plastics forming with metal insert;
6) packaging warehouse-in after inspection.
The present invention, by preheating metal insert, injection mould and plastic pellet, makes three reach uniform temperature and reduces the temperature difference between three, and to reduce cooling contraction, in addition, when production, regulation is scrapped front ten moulds of injection moulding, makes like this temperature difference drop to minimum; During due to production, can not guarantee zero temperature difference, as long as there is the temperature difference, just have shrinkage stress, therefore the present invention has increased again by a step temper to eliminate stress, and so, has thoroughly solved shrinkage cracking problem.And, all again there is not shrinkage cracking problem through high low temperature circulation impact test, long duration test in the moulding that utilizes production method of the present invention to produce.
Plastic pellet in the present embodiment all refers to polyether sulfone KR4113, or polyether sulfone LUVOCOM1100-8549 PESU-(CF10+C10+PTFE10), PES mit62%(CF, C, PTFE), and no matter PESU or PES touches airborne moisture of plastic pellet, capital imbibition, has Bubble formation when preventing injection moulding, and the present invention is to step 2) in plastic pellet preheating before, first this plastic pellet is carried out to drying and processing, to remove the moisture of its absorption.Further, for preventing producing rear product water suction, grease water-proofing treatment is carried out on the working of plastics surface that step 5) is formed, and contacts to completely cut off with air.
In the time carrying out injection moulding, for guaranteeing production precision, injection mould is generally hot runner mould, adopts Hot runner Technology to carry out injection moulding to plastic pellet in the time carrying out injection moulding.In the time of the injection moulding of carrying out in step 3), need to control the plastic pellet that becomes solation body with identical flow velocity, pressure and temperature containing metal insert, so further reduction temperature difference, reduces the contraction problem brought because of the temperature difference, occurs weld bond after can avoiding working of plastics to be shaped simultaneously on its surface.
Applying on automobile due to this working of plastics is all motor function part, so its form and position tolerance, roughness are had relatively high expectations, therefore, by the turning in step 5), milling drum processing, makes it meet the requirement such as shape, size.
In sum, lubricating oil pump production of plastics parts method with metal insert of the present invention, adopts, before injection moulding, metal insert, injection mould and plastic pellet (being plastic material) is carried out to preheating, makes three reach uniform temperature, reduce the temperature difference, to reduce cooling contraction; After the reduction temperature difference, further adopt again temper to reduce stress simultaneously, so just thoroughly reduce shrinkage cracking problem,, all again there is not above-mentioned inefficacy through high low temperature circulation impact test, long duration test in the moulding that utilizes production method of the present invention to produce.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (6)
1. with a lubricating oil pump production of plastics parts method for metal insert, it is characterized in that, described in producing, comprise the following steps with the working of plastics of metal insert:
1) metal insert to be inlayed is carried out to ungrease treatment;
2) by described metal insert, the injection mould that uses and plastic pellet used carry out respectively preheating;
3) after preheating, described metal insert is inserted in injection mould, then inject described plastic pellet and carry out injection moulding, form the moulding that includes metal insert;
4) described moulding is carried out to temper;
5) after temper, carry out turning, milling drum processing, the described working of plastics with metal insert of final formation.
2. the lubricating oil pump production of plastics parts method with metal insert according to claim 1, is characterized in that: grease water-proofing treatment is carried out on the described working of plastics surface that step 5) is formed.
3. the lubricating oil pump production of plastics parts method with metal insert according to claim 1, is characterized in that: to step 2) in described plastic pellet preheating before, first described plastic pellet is carried out to drying and processing.
4. the lubricating oil pump production of plastics parts method with metal insert according to claim 1, is characterized in that: the described metal insert temperature after preheating is controlled between 100 DEG C to 180 DEG C; Described injection mould temperature after preheating is controlled between 120 DEG C to 200 DEG C; Described plastic pellet temperature after preheating is controlled between 100 DEG C to 150 DEG C.
5. the lubricating oil pump production of plastics parts method with metal insert according to claim 1, is characterized in that: described injection mould is hot runner mould, adopts Hot runner Technology to carry out injection moulding to described plastic pellet in the time carrying out injection moulding.
6. the lubricating oil pump production of plastics parts method with metal insert according to claim 5, it is characterized in that: in the time of the injection moulding of carrying out in step 3), the described plastic pellet that control becomes solation body contains described metal insert with identical flow velocity, pressure and temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122802.XA CN103862621A (en) | 2014-03-28 | 2014-03-28 | Production method of fuel pump plastic part with metal insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122802.XA CN103862621A (en) | 2014-03-28 | 2014-03-28 | Production method of fuel pump plastic part with metal insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103862621A true CN103862621A (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410122802.XA Pending CN103862621A (en) | 2014-03-28 | 2014-03-28 | Production method of fuel pump plastic part with metal insert |
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| CN (1) | CN103862621A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034252A (en) * | 2015-09-18 | 2015-11-11 | 南通联恒新材料有限公司 | Metal insert for automobile oil pump plastic part |
| CN108064758A (en) * | 2016-11-10 | 2018-05-25 | 青岛牧港畜牧机械有限公司 | Egg device manufacturing process is picked up in the rotation of cross wheel shape |
| CN110561704A (en) * | 2019-10-22 | 2019-12-13 | 河源市豪业塑胶五金制品有限公司 | Double-injection molding process of plastic product |
| CN112497635A (en) * | 2020-11-10 | 2021-03-16 | 上海瑞尔实业有限公司 | Injection molding process for wheel decorative cover insert |
| CN118544549A (en) * | 2024-07-24 | 2024-08-27 | 广东晟辉科技股份有限公司 | Manufacturing method of support structure for enhancing rotation stability of fan blade |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034252A (en) * | 2015-09-18 | 2015-11-11 | 南通联恒新材料有限公司 | Metal insert for automobile oil pump plastic part |
| CN108064758A (en) * | 2016-11-10 | 2018-05-25 | 青岛牧港畜牧机械有限公司 | Egg device manufacturing process is picked up in the rotation of cross wheel shape |
| CN110561704A (en) * | 2019-10-22 | 2019-12-13 | 河源市豪业塑胶五金制品有限公司 | Double-injection molding process of plastic product |
| CN112497635A (en) * | 2020-11-10 | 2021-03-16 | 上海瑞尔实业有限公司 | Injection molding process for wheel decorative cover insert |
| CN118544549A (en) * | 2024-07-24 | 2024-08-27 | 广东晟辉科技股份有限公司 | Manufacturing method of support structure for enhancing rotation stability of fan blade |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140618 |
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| RJ01 | Rejection of invention patent application after publication |