CN104526939A - Making technology for external-form mold plastic core - Google Patents
Making technology for external-form mold plastic core Download PDFInfo
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- CN104526939A CN104526939A CN201410746463.2A CN201410746463A CN104526939A CN 104526939 A CN104526939 A CN 104526939A CN 201410746463 A CN201410746463 A CN 201410746463A CN 104526939 A CN104526939 A CN 104526939A
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- core
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- outer mould
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Abstract
The invention discloses a making technology for an external-form mold plastic core. The making technology comprises the following steps: 1) making an external-form mold box frame; 2) applying a mold release agent; 3) assembling the mold; 4) installing a pouring cup; 5) pouring; 6) opening the mold; 7) cleaning the mold and restoring; and 8) arranging the plastic core. The making technology for the external-form mold plastic core is capable of manufacturing the plastic core with relatively light weight, and the plastic core is used to replace a sand core for core assembly verification of a sand casting mold. Because the plastic core does not need making in a production line, the normal production of the production line is not influenced, and the manufacture cost of the sand casting mold is reduced.
Description
Technical field
The present invention relates to the inspection field of sand mold casting mold, particularly a kind of manufacture craft of exterior mold plastic-like core.
Background technology
All will carry out mould checking work after completing for sand mold casting mold, this work is a step important in Mold Making.Existing means: except carrying out each parts to mould and die cavity carries out except dimensional gaughing, also mould to be delivered to production line or production scene making core, then carry out pressure mud bar after carrying out the size to examination core assembly, core assembly, core assembly and check a series of inspections such as part wall thickness dimension, inspection is pinpointed the problems and is return mould factory and change, to be changed complete after, then enter the checking that previous second time makes core.
Although existing mould checking means can meet production requirement, there is following defect:
1, " production line or production scene make core " utilizes production line stopping production to make the checking means of core, have impact on the normal production of production line, virtually improves the manufacturing cost of sand mold casting mold.
2, the core running into cylinder of diesel engine is heavier, and manual core assembly inspection is more difficult, also needs the assistance of crane, and operating difficulties is complicated.
3, far, logistics cost is higher repeatedly back and forth for production line or the road between production scene and mould factory.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of manufacture craft of exterior mold plastic-like core of simple and reasonable steps, the manufacture craft of this exterior mold plastic-like core can produce the plastic-like core of lighter in weight, carry out the core assembly checking that alternative core carries out sand mold casting mold, because this plastic-like core does not need to make to production line, the normal production of production line can not be have impact on, reduce the manufacturing cost of sand mold casting mold.In addition, plastic-like core quality is light, and large core is substituted by it, does not need crane to assist, convenient operation in cored checking.Also have, being produced on Making mold producer and just can completing of plastic-like core, and after carrying out trying core assembly, the size of core assembly, core assembly, carry out a series of inspections such as pressure mud bar inspection part wall thickness dimension, when inspection is pinpointed the problems and maybe will be adjusted, just can change at once, reduce the logistics back and forth between manufacturer and mould factory.
For achieving the above object, the invention provides the manufacture craft of exterior mold plastic-like core, this manufacture craft adopts the pouring of thin plate wooden (-packing) case frame, the mould manufacturing this exterior mold plastic-like core comprises outer mould box-frame and outer mould base plate, comprise the following steps: 1), make outer mould box-frame, the surrounding of this outer mould box-frame is provided with and compresses position and eject position, and the end face of this outer mould box-frame has casting gate several steam vents; 2), upper releasing agent; 3), by outer mould box-frame and outer mould base plate matched moulds; 4), cup will be watered and be arranged on casting gate; 5), the raw material of load weighted described plastic-like core are fully stirred after, pour pouring container into from stirred vessel, then by pouring container to water cup pouring; 6), position is being ejected box-frame and outer mould die sinking with jack; 7), mold cleaning totally, former state is recovered; 8), plastic-like core is arranged.
Preferably, in technique scheme, the material of outer mould box-frame adopts glued board.
Preferably, in technique scheme, the thickness of glued board is 5mm.
Preferably, in technique scheme, releasing agent selects 2605-QV5110/ packing agent QV5110 or butter fat.
Preferably, in technique scheme, during matched moulds, by " G " type folder, described outer mould box-frame and outer mould base plate are clamped.
Preferably, in technique scheme, plastic-like core adopts Foamex to make.
Preferably, in technique scheme, the Foamex in plastic-like core and curing agent weight ratio are 1:0.2.
Preferably, in technique scheme, in plastic-like core, add mill base or paint.
Preferably, in technique scheme, the time of die sinking solidifies 12 to 15 hours under the condition of 25 °, solidifies 2 to 3 hours under the condition of 40 °.
Compared with prior art, the present invention has following beneficial effect: the manufacture craft of this exterior mold plastic-like core can produce the plastic-like core of lighter in weight, carry out the core assembly checking that alternative core carries out sand mold casting mold, because this plastic-like core does not need to make to production line, the normal production of production line can not be have impact on, reduce the manufacturing cost of sand mold casting mold.In addition, plastic-like core quality is light, and large core is substituted by it, does not need crane to assist, convenient operation in cored checking.Also have, being produced on Making mold producer and just can completing of plastic-like core, and after carrying out trying core assembly, the size of core assembly, core assembly, carry out a series of inspections such as pressure mud bar inspection part wall thickness dimension, when inspection is pinpointed the problems and maybe will be adjusted, just can change at once, reduce the logistics back and forth between manufacturer and mould factory.
Accompanying drawing explanation
Fig. 1 is the structural representation of the manufacture craft of exterior mold plastic-like core of the present invention.
Fig. 2 is the flow chart of the manufacture craft of exterior mold plastic-like core of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
The plastic-like core that the manufacture craft of the exterior mold plastic-like core of the specific embodiment of the invention can manufacture a kind of lighter in weight carrys out the core assembly checking that alternative core carries out sand mold casting mold, thus solve that production line stops production, core is heavier, production line or the problem such as the road between production scene and mould factory is far away.
Wherein, adopt thin plate wooden (-packing) case frame to water for exterior mold plastic-like core, thus obtain exterior mold Foamex plastic-like core, in box-frame, be made with the matched moulds location of upper and lower mould.
As shown in Figure 2, comprising the following steps according to the manufacture craft of the exterior mold plastic-like core of the specific embodiment of the invention:
1), outer mould box-frame is made;
As shown in Figure 1, the material of this outer mould box-frame 1 adopts the glued board of 5mm, adds the size of the surrounding that 15mm is box-frame, upper end face by the full-size of external form apperance 2 again.The surrounding of box-frame is made with and compresses position 11 and eject position 12, has casting gate, several steam vents 13 etc. at end face.Thickly more than 60mm in die cavity can fill out foam-plastic blocks 21, it is bonded on top board, reduce weight and material.
2), upper releasing agent;
Thin layer releasing agent is evenly coated at die surface.Releasing agent can select 2605-QV5110/ packing agent QV5110 or butter fat.
3), matched moulds;
As shown in Figure 1, and by " G " type press from both sides and outer mould box-frame 1 and outer mould base plate 3 are clamped.
4), cup is watered in installation;
As shown in Figure 1, cup 4 will be watered and be arranged on casting gate.
5), water;
For comparatively large, heavy, external form apperance core, adopt a kind of outer surface to have some strength, meet the Foamex plastic-like core of checking needs.Wherein, Foamex (Gen R132-2) is 1:0.2 with the weight ratio of curing agent (Gen H132-1).
Foamex and the following list ratio of curing agent weigh:
Table one, the density of sample core is 0.554 х 10
-6kg/mm
3
Add appropriate mill base or paint according to the needs of color, make plastic-like core have different colors as required, by different colors when cored is checked, be embedded in the sample core of depths below, can distinguish soon from crack is the shape of that sample core.
Load weighted material is fully stirred, after having stirred, pours pouring container 6 into from stirred vessel.Finally, watered to watering cup 4 by pouring container 6, watering time controls to complete in 25 minutes.
6), die sinking;
Open time solidifies 12 ~ 15 hours under 25 ° of conditions, solidifies 2 ~ 3 hours under 40 ° of conditions; Again with jack 7 eject position 12 box-frame and outer mould top pine after, take out external form plastics apperance.
7), mold cleaning totally, former state is recovered;
8), plastic-like core 5 is arranged.
To sum up, the manufacture craft of this exterior mold plastic-like core can produce the plastic-like core of lighter in weight, carry out the core assembly checking that alternative core carries out sand mold casting mold, because this plastic-like core does not need to make to production line, the normal production of production line can not be have impact on, reduce the manufacturing cost of sand mold casting mold.In addition, plastic-like core quality is light, and large core is substituted by it, does not need crane to assist, convenient operation in cored checking.Also have, being produced on Making mold producer and just can completing of plastic-like core, and after carrying out trying core assembly, the size of core assembly, core assembly, carry out a series of inspections such as pressure mud bar inspection part wall thickness dimension, when inspection is pinpointed the problems and maybe will be adjusted, just can change at once, reduce the logistics back and forth between manufacturer and mould factory.Plastic-like core can retain makes archives sample core, and inspection afterwards, change provide foundation.Plastic-like core provides perceptual knowledge when product can be provided to change, change on plastic-like core in advance suitable after, remake the change of mould.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (9)
1. a manufacture craft for exterior mold plastic-like core, this manufacture craft adopts the pouring of thin plate wooden (-packing) case frame, and the mould manufacturing this exterior mold plastic-like core comprises outer mould box-frame and outer mould base plate, it is characterized in that, comprises the following steps:
1), make outer mould box-frame, the surrounding of this outer mould box-frame is provided with and compresses position and eject position, and the end face of this outer mould box-frame has casting gate several steam vents;
2), upper releasing agent;
3), by outer mould box-frame and outer mould base plate matched moulds;
4), cup will be watered and be arranged on casting gate;
5), the raw material of load weighted described plastic-like core are fully stirred after, pour pouring container into from stirred vessel, then by pouring container to water cup pouring;
6), position is being ejected box-frame and outer mould die sinking with jack;
7), mold cleaning totally, former state is recovered;
8), plastic-like core is arranged.
2. the manufacture craft of exterior mold plastic-like core according to claim 1, is characterized in that, the material of described outer mould box-frame adopts glued board.
3. the manufacture craft of exterior mold plastic-like core according to claim 2, is characterized in that, the thickness of described glued board is 5mm.
4. the manufacture craft of exterior mold plastic-like core according to claim 1, is characterized in that, described releasing agent selects 2605-QV5110/ packing agent QV5110 or butter fat.
5. the manufacture craft of exterior mold plastic-like core according to claim 1, is characterized in that, during matched moulds, described outer mould box-frame and outer mould base plate is clamped by " G " type folder.
6. the manufacture craft of exterior mold plastic-like core according to claim 1, is characterized in that, described plastic-like core adopts Foamex to make.
7. the manufacture craft of exterior mold plastic-like core according to claim 6, is characterized in that, the Foamex in described plastic-like core and curing agent weight ratio are 1:0.2.
8. the manufacture craft of exterior mold plastic-like core according to claim 6, is characterized in that, adds mill base or paint in described plastic-like core.
9. the manufacture craft of exterior mold plastic-like core according to claim 1, is characterized in that, the time of described die sinking solidifies 12 to 15 hours under the condition of 25 °, solidifies 2 to 3 hours under the condition of 40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746463.2A CN104526939A (en) | 2014-12-08 | 2014-12-08 | Making technology for external-form mold plastic core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746463.2A CN104526939A (en) | 2014-12-08 | 2014-12-08 | Making technology for external-form mold plastic core |
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| CN104526939A true CN104526939A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410746463.2A Pending CN104526939A (en) | 2014-12-08 | 2014-12-08 | Making technology for external-form mold plastic core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582616A (en) * | 2018-05-18 | 2018-09-28 | 苏州诺瑞达新材料科技有限公司 | A kind of Rose Box prefabricated component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04146110A (en) * | 1990-10-09 | 1992-05-20 | Honda Motor Co Ltd | Molding method for test model |
| JPH04151210A (en) * | 1990-10-15 | 1992-05-25 | Honda Motor Co Ltd | Molding method for test model |
| JPH06122038A (en) * | 1992-10-15 | 1994-05-06 | Agency Of Ind Science & Technol | Vacuum molding process |
| JP2006181840A (en) * | 2004-12-27 | 2006-07-13 | Mitsubishi Rayon Co Ltd | Manufacturing method of methacrylic resin laminate |
| CN101258992A (en) * | 2008-04-17 | 2008-09-10 | 毛仁贺 | Dentifying chopping block and manufacturing method thereof |
-
2014
- 2014-12-08 CN CN201410746463.2A patent/CN104526939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04146110A (en) * | 1990-10-09 | 1992-05-20 | Honda Motor Co Ltd | Molding method for test model |
| JPH04151210A (en) * | 1990-10-15 | 1992-05-25 | Honda Motor Co Ltd | Molding method for test model |
| JPH06122038A (en) * | 1992-10-15 | 1994-05-06 | Agency Of Ind Science & Technol | Vacuum molding process |
| JP2006181840A (en) * | 2004-12-27 | 2006-07-13 | Mitsubishi Rayon Co Ltd | Manufacturing method of methacrylic resin laminate |
| CN101258992A (en) * | 2008-04-17 | 2008-09-10 | 毛仁贺 | Dentifying chopping block and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582616A (en) * | 2018-05-18 | 2018-09-28 | 苏州诺瑞达新材料科技有限公司 | A kind of Rose Box prefabricated component |
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Application publication date: 20150422 |
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