CN108927460A - A kind of deep U type sheet metal component molding die processing method - Google Patents
A kind of deep U type sheet metal component molding die processing method Download PDFInfo
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- CN108927460A CN108927460A CN201710367221.6A CN201710367221A CN108927460A CN 108927460 A CN108927460 A CN 108927460A CN 201710367221 A CN201710367221 A CN 201710367221A CN 108927460 A CN108927460 A CN 108927460A
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- Prior art keywords
- upper mold
- deep
- sheet metal
- metal component
- sand mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/20—Making tools by operations not covered by a single other subclass
Abstract
The present invention relates to a kind of processing methods of mold, and in particular to a kind of deep U type sheet metal component molding die processing method.Include the following steps the first step, manufactures II sand mould of upper mold；Second step manufactures II casting matrix of upper mold by the sand mould manufactured in the first step；Third step carries out blast, ageing treatment to the U-shaped type face of upper mold II；4th step, by lower die II and II pairing of upper mold；5th step is poured engineering plastics in the gap between upper mold II and lower die II；6th step, demoulding, edge sealing, cast gate, riser etc. when cleaning is poured, each side polishing fairing, the cleaning of type face remove grease stain, and entire type wheat flour makes completion.For the present invention using monoblock cast alloy as matrix, the structure type of surface casting engineering plastics can complete the manufacture of upper mold without carrying out numerical control processing quickly, at low cost.The machining problem for effectively solving such forming parts mold entirety upper mold, improves the surface quality of forming part.
Description
Technical field
The present invention relates to a kind of processing methods of mold, and in particular to a kind of deep U type sheet metal component molding die processing method.
Background technique
Currently, processing deep U type sheet metal component as shown in Figure 2, be using mold as shown in Figure 3 by it is as shown in Figure 1 not
The sheet metal component of processing is formed by calendering formula.The mold is made of upper mold I 2 and lower die I 1, upper mold I as shown in figure 3, type face most
Big width is A, and the depth in type face has reached 4.7A, with present numerically controlled processing equipment and common cutter, such type face
It cannot achieve whole machining at all.Therefore, often upper mold is processed using following two mode in the prior art.
The prior art 1：
As shown in figure 5, upper mold is divided into III, IV two part, deep U type type face is avoided, can be set using general NC processing
Standby and conventional knife is processed, then III, IV two part is combined.
The prior art 2：
As shown in fig. 6, upper mold is divided into V, VI, VII 3 part, deep U type type face is equally avoided, general NC can be used
Process equipment and conventional knife are processed, then V, VI, VII 3 part is combined.
Using above-mentioned processing method, shaping mould piecemeal manufacture recombinant is used together, reduce mold rigidity and
Intensity；The piece of stitching portion simultaneously can leave a trace in piece surface in the forming process of sheet metal parts, influence piece surface
Quality.
Summary of the invention
It is an object of the present invention to aiming at the problems existing in the prior art, propose a kind of deep U type sheet metal component molding die
Processing method can effectively solve the problem that the machining problem of such deep U type forming parts mold entirety upper mold, improve forming part
Surface quality, extend the service life of molding die.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of deep U type sheet metal component molding die processing method, includes the following steps
The first step manufactures II sand mould of upper mold, and the U-shaped type face that depth-to-width ratio is 1.5-2.5 is processed on sand mould；
Second step manufactures II casting matrix of upper mold by the sand mould manufactured in the first step；
Third step carries out blast, ageing treatment to the U-shaped type face of upper mold II；
4th step, by lower die II and II pairing of upper mold；
5th step is poured engineering plastics in the gap between upper mold II and lower die II；
6th step, demoulding, edge sealing, cast gate, riser etc. when cleaning is poured, each side polishing fairing, the cleaning of type face remove grease stain,
Entire type wheat flour makes completion.
It is further comprising the steps of between the step 3 and step 4：
A. II sand mould of lower die is manufactured；
B. lower die II is manufactured according to the sand mould manufactured in step A；
C. blast, ageing treatment are carried out to lower die II.
In the first step, the depth-to-width ratio in U-shaped type face is 2.05.
The upper mold II is manufactured using casting alloy.
The engineering plastics include epoxy plastics and polyurethane.
Sand mould is cast using polystyrene foamed material.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, the present invention is using monoblock cast alloy as matrix, the structure type of surface casting engineering plastics, without carrying out numerical control
Processing can complete the manufacture of upper mold quickly, at low cost.Effectively solve the machinery of such forming parts mold entirety upper mold
Processing problems improve the surface quality of forming part.
2, waste of material can be reduced using casting alloy, meanwhile, the face not contacted with sand mould need to only be carried out after casting
Machining, remaining each face are not necessarily to process, and reduce manufacturing procedure, raising efficiency.
3, since polystyrene material is low in cost, ample supply of commodities on the market, specification, A wide selection of colours and designs, using simple, conveniently,
Therefore sand mould uses polystyrene material.
4, blast can remove the grains of sand of cast(ing) surface, while remove surface oxide layer, reach enhancing and engineering plastics are viscous
The purpose of connecing property.
5, it is poured, is had the following advantages that using engineering plastics：
A., casting matrix can reuse, it, only need to be by engineering plastics when needing to remanufacture upper mold after type surface wear
Layer removal, and matrix is reusable；
B. the casting time is short.The tooling of the structure remanufactures upper mold, it is only necessary to 2 working days.
C. casting matrix is reused, and is reduced costs.
Detailed description of the invention
Fig. 1 is unprocessed sheet metal component；
Fig. 2 is the deep U type sheet metal component perspective view after processing；
Fig. 3 is forming die structure schematic diagram in the prior art；
Fig. 4 is I structural schematic diagram of upper mold in Fig. 3；
Fig. 5 is the structural schematic diagram of upper mold in the prior art 1；
Fig. 6 is the structural schematic diagram of upper mold in the prior art 2；
Fig. 7 is the structural schematic diagram of upper mold in the present invention；
Fig. 8 is upper mold in the present invention（Engineering plastics do not mark）Structural schematic diagram；
Fig. 9 is schematic structural view of the invention.
It is marked in figure：1, lower die I；2, upper mold I；3, upper mold II；4, engineering plastics；5, lower die II.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "vertical", "inner", "outside" or
Positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put or
The orientation or positional relationship that positional relationship or those skilled in the art usually understand is merely for convenience of the description present invention
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for distinguishing description,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
As a kind of preferred embodiment of the invention, referring to Figure of description 1, attached drawing 2, attached drawing 7, attached drawing 8 and attached drawing 9, this reality
It applies example and discloses a kind of deep U type sheet metal component molding die processing method, the present embodiment includes the following steps：
The first step manufactures II sand mould of upper mold, and the U-shaped type face that depth-to-width ratio is 1.5-2.5 is processed on sand mould；
Second step manufactures II 3 casting matrix of upper mold by the sand mould manufactured in the first step；
Third step carries out blast, ageing treatment to the U-shaped type face of upper mold II 3；
4th step, by lower die II 5 and II 3 pairing of upper mold；
5th step is poured engineering plastics 3 in the gap between upper mold II 3 and lower die II 5；
6th step, demoulding, edge sealing, cast gate, riser etc. when cleaning is poured, each side polishing fairing, the cleaning of type face remove grease stain,
Entire type wheat flour makes completion.
It is further comprising the steps of between the step 3 and step 4：
A. II sand mould of lower die is manufactured；
B. lower die II 5 is manufactured according to the sand mould manufactured in step A；
C. blast, ageing treatment are carried out to lower die II 5.
In the first step, the depth-to-width ratio in U-shaped type face is 2.05.
The upper mold II 3 is manufactured using casting alloy.
The engineering plastics include epoxy plastics and polyurethane.
Sand mould is cast using polystyrene foamed material.
The present invention is using monoblock cast alloy as matrix, the structure type of surface casting engineering plastics, without being counted
Control processing can complete the manufacture of upper mold quickly, at low cost.Effectively solve the machine of such forming parts mold entirety upper mold
Tool processing problems improve the surface quality of forming part.Waste of material can be reduced using casting alloy, meanwhile, it is only needed after casting
The face not contacted with sand mould is machined, remaining each face is not necessarily to process, and reduces manufacturing procedure, raising efficiency.By
Low in cost in polystyrene material, ample supply of commodities on the market, specification, A wide selection of colours and designs, using simple, conveniently, therefore sand mould uses
Polystyrene material.Blast can remove the grains of sand of cast(ing) surface, while remove surface oxide layer, reach enhancing and engineering plastics
The purpose of cementability.It is poured, is had the following advantages that using engineering plastics：A., casting matrix can reuse, when
When needing to remanufacture upper mold after type surface wear, the engineering plastic bed of material need to only be removed, and matrix is reusable；B. the time is cast
It is short.The tooling of the structure remanufactures upper mold, it is only necessary to 2 working days.C. casting matrix is reused, and is reduced costs.
Embodiment 2
As a kind of preferred embodiment of the invention, referring to Figure of description 1, attached drawing 2, attached drawing 7, attached drawing 8 and attached drawing 9, this reality
It applies example and discloses a kind of deep U type sheet metal component molding die processing method, the present embodiment includes the following steps：
The first step manufactures II sand mould of upper mold, and the U-shaped type face that depth-to-width ratio is 1.5-2.5 is processed on sand mould；
Second step manufactures II 3 casting matrix of upper mold by the sand mould manufactured in the first step；
Third step carries out blast, ageing treatment to the U-shaped type face of upper mold II 3；
4th step, by lower die II 5 and II 3 pairing of upper mold；
5th step is poured engineering plastics 3 in the gap between upper mold II 3 and lower die II 5；
6th step, demoulding, edge sealing, cast gate, riser etc. when cleaning is poured, each side polishing fairing, the cleaning of type face remove grease stain,
Entire type wheat flour makes completion.
It is further comprising the steps of between the step 3 and step 4：
A. II sand mould of lower die is manufactured；
B. lower die II 5 is manufactured according to the sand mould manufactured in step A；
C. blast, ageing treatment are carried out to lower die II 5.
In above embodiments, the sand mould, blast, ageing treatment, casting, engineering plastics, edge sealing, cast gate, riser etc.,
It is common knowledge known to a person skilled in the art.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (6)
1. a kind of deep U type sheet metal component molding die processing method, which is characterized in that include the following steps：
The first step manufactures II sand mould of upper mold, and the U-shaped type face that depth-to-width ratio is 1.5-2.5 is processed on sand mould；
Second step manufactures upper mold II by the sand mould manufactured in the first step（3）Casting matrix；
Third step, to upper mold II（3）U-shaped type face carry out blast, ageing treatment；
4th step, by lower die II（5）With upper mold II（3）Pairing；
5th step, in upper mold II（3）With lower die II（5）Between gap in be poured engineering plastics（3）；
6th step, demoulding, edge sealing, cast gate, riser etc. when cleaning is poured, each side polishing fairing, the cleaning of type face remove grease stain,
Entire type wheat flour makes completion.
2. a kind of deep U type sheet metal component molding die processing method according to claim 1, which is characterized in that the step
It is further comprising the steps of between three and step 4：
A. II sand mould of lower die is manufactured；
B. lower die II is manufactured according to the sand mould manufactured in step A（5）；
C. to lower die II（5）Carry out blast, ageing treatment.
3. a kind of deep U type sheet metal component molding die processing method according to claim 1, it is characterised in that：Described first
In step, the depth-to-width ratio in U-shaped type face is 2.05.
4. a kind of deep U type sheet metal component molding die processing method according to claim 1, it is characterised in that：The upper mold
Ⅱ（3）It is manufactured using casting alloy.
5. a kind of deep U type sheet metal component molding die processing method according to claim 1, it is characterised in that：The engineering
Plastics include epoxy plastics and polyurethane.
6. a kind of deep U type sheet metal component molding die processing method according to claim 1, it is characterised in that：Sand mould makes
It is cast with polystyrene foamed material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367221.6A CN108927460A (en) | 2017-05-23 | 2017-05-23 | A kind of deep U type sheet metal component molding die processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367221.6A CN108927460A (en) | 2017-05-23 | 2017-05-23 | A kind of deep U type sheet metal component molding die processing method |
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| CN108927460A true CN108927460A (en) | 2018-12-04 |
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| CN201710367221.6A Pending CN108927460A (en) | 2017-05-23 | 2017-05-23 | A kind of deep U type sheet metal component molding die processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119565A (en) * | 1978-03-09 | 1979-09-17 | Tokyo Sheet Kk | Method of making helmet |
| EP0024160A1 (en) * | 1979-08-08 | 1981-02-25 | Ideal-Standard Gmbh | Mould for casting ceramic material |
| JPS57115319A (en) * | 1981-01-09 | 1982-07-17 | Nippon Gakki Seizo Kk | Manufacture for synthetic resin-formed product |
| CN85103983A (en) * | 1985-05-23 | 1987-03-25 | 本田技研工业株式会社 | The method of mfg. moulding die and the mould that makes by this method |
| CN1041716A (en) * | 1988-10-08 | 1990-05-02 | 江丽娜 | Precision casting technology for die impression |
| CN1586859A (en) * | 2004-07-09 | 2005-03-02 | 北京玻璃钢研究设计院 | Method for producing composite material mould for resin transfer moulding process |
| CN1597178A (en) * | 2004-09-01 | 2005-03-23 | 刘志杰 | Manufacturing method of large metal sheet shaping mould |
| CN102691079A (en) * | 2012-05-03 | 2012-09-26 | 杭州先临快速成型技术有限公司 | Method for rapidly manufacturing low-temperature alloy casting mould |
| CN104321185A (en) * | 2012-12-28 | 2015-01-28 | 白周宪 | Cast molding method using polyurethane |
| CN103752766A (en) * | 2014-02-13 | 2014-04-30 | 山东理工大学 | Rapid manufacturing method for resin casting mould |
| CN105014008A (en) * | 2015-07-31 | 2015-11-04 | 宁夏共享模具有限公司 | Female-mould-free resin mould and manufacturing method thereof |
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Application publication date: 20181204 |
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