CN206435720U - A kind of casting core box manufactured for rail truck core - Google Patents
A kind of casting core box manufactured for rail truck core Download PDFInfo
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- CN206435720U CN206435720U CN201621292008.0U CN201621292008U CN206435720U CN 206435720 U CN206435720 U CN 206435720U CN 201621292008 U CN201621292008 U CN 201621292008U CN 206435720 U CN206435720 U CN 206435720U
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- core box
- core
- cavity
- rail truck
- outer framework
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Abstract
The utility model is related to a kind of casting core box manufactured for rail truck core.Including：Outer framework, is arranged at the inner core box in outer framework；Wherein, the contact surface of the outer framework and inner core box is wooden structures；The inner core box includes：Be open the cavity inside contracted, and the inside cavity is provided with core bone support；The core bone support is an inverted V-shaped structure, and its two ends is supported on cavity inner wall by side plate respectively；The cavity bottom center, which is provided with, to raise up.The core box is using plastic cement material and using 3D printing technique manufacture, and plastic cement material includes nylon, photosensitive resin or PLA, and the outer framework of core box is still manufactured using wooden or metal, can process simplification, shorten the core box manufacturing cycle, improve trial-production efficiency, and repair a die easily, the workload that repairs a die is small, the cost that repairs a die is low, and the change or replacement of core box partial structurtes are convenient and swift, and core box anti-wear performance is good, dimensional accuracy is high, and integrated cost is relatively low.
Description
Technical field
The utility model is related to a kind of casting core box, belongs to railway equipment field, is specifically related to a kind of for railway carriage
The casting core box of core manufacture.
Background technology
In railway rolling stock trial-production and production process, the casting core box for making core need to be manufactured and designed first.
Core box is cast typically by outer framework and inner core box by assemblying, is manufactured more than conventional cast core box using all-metal（Outer framework
Manufactured with inner core box using metal）, it is a small amount of using complete wooden manufacture（Outer framework and inner core box use wooden manufacture）.Tradition
Casting core box has the disadvantages that：
（1）Manufacture master pattern typically need to manufacture wooden core box one by technical process such as strand, heat treatment, machinings
As need to use digital control processing, cause the core box manufacturing cycle longer（A set of railway steel castings master pattern generally requires 7~15 days left sides
The right time）, the trial production cycle is long, core box local route repair or replaces difficult, and integrated cost is higher.
（2）All-metal core box repairs a die difficulty, if need to repair a die repeatedly, and the workload that repairs a die is big, and the cost that repairs a die is high.
（3）If product structure only has the change of partial structurtes on a small amount of change, core box or replaces inconvenient, because of partial structurtes
Still need to cumbersome process.
（4）Wooden core box anti-wear performance is not good, and dimensional accuracy is not high, especially inner core box, because often being contacted with core sand, if adopting
With wooden, then wear and tear very fast.
The many advantages such as 3D printing technique is enriched because of its quick manufacture, mould-free forming, moulding material, molding structure complexity,
It is in the ascendant in industrial quarters and scientific and technological circle, significant impact will be produced to traditional manufacture.At present, 3D printing technique is in casting
Aspect realizes some applications, such as prints casting sand core, prints the hot investment casting prototype parts of plastic cement material.
The characteristics of based on railway steel castings Foundry Production, it is contemplated that its core box fabrication cycle length, local route repair replace tired
3D printing technique is introduced into railway steel castings core manufacturing process by difficult the problems such as, proposition, i.e., tried in railway steel castings new product
During system, casting core box is made using 3D printing technique and with plastic cement material, for sand core of steel casting manufacture.
Utility model content
The utility model be mainly solve present in prior art all-metal core box technical process is cumbersome, the manufacturing cycle
It is long, repair a die and difficult, partial structurtes change or replace inconvenient and complete wooden core box wears no resistance, dimensional accuracy is not high asks
A kind of topic, it is proposed that casting core box manufactured for rail truck core.The core box is using plastic cement material and uses 3D printing skill
Art is manufactured, and plastic cement material includes nylon, photosensitive resin or PLA, and the outer framework of core box is still manufactured using wooden or metal, can simplified
Technical process, shortens the core box manufacturing cycle, improves trial-production efficiency, and repairs a die easily, and the workload that repairs a die is small, and the cost that repairs a die is low,
The change of core box partial structurtes replaces convenient and swift, and core box anti-wear performance is good, and dimensional accuracy is high, and integrated cost is relatively low.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of casting core box manufactured for rail truck core, including：Outer framework, is arranged at the inner core in outer framework
Box；Wherein, the contact surface of the outer framework and inner core box is wooden structures；
The inner core box includes：Be open the cavity inside contracted, and the inside cavity is provided with core bone support；The core bone
Support as an inverted V-shaped structure, its two ends is supported on cavity inner wall by side plate respectively；
The cavity bottom center, which is provided with, to raise up.
Optimize, a kind of above-mentioned casting core box manufactured for rail truck core, set at the opening of the cavity
There is inside reducer；The raised top is an arc shape, the rectangular cross-section of its bottom；And the raised bottom
Portion connects with horizontally disposed first terrace of cavity bottom, with the of bottom after the downward Longitudinal extending in edge of first terrace
The one end at one arc bottom connects；The first arc bottom connects after being upwardly extended from the side connected with the first terrace with cavity wall.
Optimization, a kind of above-mentioned casting core box manufactured for rail truck core, the center of circle solution at the first arc bottom
For 90 degree.
Optimization, a kind of above-mentioned casting core box manufactured for rail truck core, the inside cavity is provided with core
Lid.
Optimization, a kind of above-mentioned casting core box manufactured for rail truck core, the inner core box include nylon layer,
One or more in photosensitive resin layer, PLA material layers.
Therefore, the utility model has the following advantages that：1. employing 3D printing rapid shaping technique, technique mistake can be simplified
Journey, greatly shortens the core box manufacturing cycle（Plastic module can deliver goods for 4 days）, improve trial-production efficiency；2. as a result of plastic cement material
Matter, repairs a die easily, the workload that repairs a die is small, and the cost that repairs a die is low；The change of core box partial structurtes is replaced convenient and swift；3. core box is resistance to
Grind performance good, dimensional accuracy is high；The integrated cost of core box manufacture is relatively low.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.Figure
In, inner core box 1, outer framework 2, cavity 101, core bone support 102, side plate 103, projection 104, reducer 105, the first terrace 106
Phase, the first arc bottom 107, core cap 108.
Embodiment：
A kind of casting core box manufactured for rail truck core, including：Outer framework 2, is arranged at the inner core in outer framework 2
Box 1；Wherein, the contact surface of outer framework 2 and inner core box 1 is wooden structures；
Inner core box 1 includes：Be open the cavity 101 inside contracted, and cavity 101 is internally provided with core bone support 102；Core bone is supportted
102 be an inverted V-shaped structure, and its two ends is supported on the inwall of cavity 101 by side plate 103 respectively；
It is provided with the bottom centre of cavity 101 and raises up 104.
Cavity 101 is internally provided with core cap 108.Inside reducer 105 is provided with the opening of cavity 101；Projection 104
Top be an arc shape, the rectangular cross-section of its bottom；And the bottom of projection 104 is set with the bottom level of cavity 101
The first terrace 106 connect, with one end phase at the first arc bottom 107 of bottom after the downward Longitudinal extending in edge of the first terrace 106
Connect；First arc bottom 107 connects after being upwardly extended from the side connected with the first terrace 106 with cavity wall.First arc bottom 107
Center of circle solution is 90 degree.
Inner core box 1 includes the one or more in nylon layer, photosensitive resin layer, PLA material layers.
After said structure, during railway steel castings Core Box, the outer framework of core box can using wooden or
Metal material, and determine that the inner core box of core shape, size and surface roughness uses plastic cement material, and use 3D printing technique
Make.The factors such as the full-size of current 3D printing processing plastic part are considered as, determine how inner core box carries out piecemeal and every
Geomery of individual module etc..Afterwards, whole core box point two parts manufacture, outer framework uses wooden manufacture, and inner core box uses 3D
The plastic cement material manufacture of printing, plastic cement material includes nylon, photosensitive resin and PLA, the rigidity of these materials, wearability, corrosion resistant
Corrosion and 3D printing part surface smoothness etc. meet Foundry Production requirement, wherein, the full-size that nylon material is printed at present is
500 × 500 × 400mm, the full-size that photosensitive resin material is printed at present is 450 × 450 × 350mm, and PLA materials are beaten at present
The full-size of print is 1000 × 1000 × 1000mm.The full-size of each plastic cement material printing is by with the continuous of 3D printing technique
Develop and increase.
After inner core box 1 and outer framework 2 are processed respectively, you can assembly the small drawing strickle guide core box of side frame of complete set.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used herein in figure, inner core box 1, outer framework 2, cavity 101, core bone support 102, side plate 103,
The terms such as projection 104, reducer 105, the phase of the first terrace 106, the first arc bottom 107, core cap 108, but be not precluded from using other
The possibility of term.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；Them
Any additional limitation is construed to all to disagree with the utility model spirit.
Claims (6)
1. a kind of casting core box manufactured for rail truck core, it is characterised in that including：Outer framework (2), is arranged at housing
Inner core box (1) in frame (2)；Wherein, the contact surface of the outer framework (2) and inner core box (1) is wooden structures.
2. a kind of casting core box manufactured for rail truck core according to claim 1, it is characterised in that
The inner core box (1) includes：Be open the cavity (101) inside contracted, and the cavity (101) is internally provided with core bone support
(102)；The core bone support (102) is an inverted V-shaped structure, and its two ends is supported in cavity (101) by side plate (103) respectively
On wall；
It is provided with raise up (104) at cavity (101) bottom centre.
3. a kind of casting core box manufactured for rail truck core according to claim 2, it is characterised in that the chamber
Inside reducer (105) is provided with the opening of body (101)；The top of the projection (104) is an arc shape, its bottom
Rectangular cross-section；And the first terrace (106) phase that the bottom of the projection (104) is set with cavity (101) bottom level
Connect, the one end at the first arc bottom (107) after the downward Longitudinal extending in edge of first terrace (106) with bottom connects；It is described
First arc bottom (107) connects after being upwardly extended from the side connected with the first terrace (106) with cavity wall.
4. a kind of casting core box manufactured for rail truck core according to claim 3, it is characterised in that described the
The center of circle solution at one arc bottom (107) is 90 degree.
5. a kind of casting core box manufactured for rail truck core according to claim 3, it is characterised in that the chamber
Body (101) is internally provided with core cap (108).
6. a kind of casting core box manufactured for rail truck core according to claim 1, it is characterised in that described
Inner core box (1) includes the one or more in nylon layer, photosensitive resin layer, PLA material layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292008.0U CN206435720U (en) | 2016-11-29 | 2016-11-29 | A kind of casting core box manufactured for rail truck core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292008.0U CN206435720U (en) | 2016-11-29 | 2016-11-29 | A kind of casting core box manufactured for rail truck core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206435720U true CN206435720U (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621292008.0U Active CN206435720U (en) | 2016-11-29 | 2016-11-29 | A kind of casting core box manufactured for rail truck core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127080A (en) * | 2017-12-08 | 2018-06-08 | 北京星航机电装备有限公司 | A kind of composite casting core aluminium alloy Rapid casting process method |
-
2016
- 2016-11-29 CN CN201621292008.0U patent/CN206435720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127080A (en) * | 2017-12-08 | 2018-06-08 | 北京星航机电装备有限公司 | A kind of composite casting core aluminium alloy Rapid casting process method |
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