CN202278156U - Sand box moulding plastic coating heater for V-process casting - Google Patents
Sand box moulding plastic coating heater for V-process casting Download PDFInfo
- Publication number
- CN202278156U CN202278156U CN2011203812046U CN201120381204U CN202278156U CN 202278156 U CN202278156 U CN 202278156U CN 2011203812046 U CN2011203812046 U CN 2011203812046U CN 201120381204 U CN201120381204 U CN 201120381204U CN 202278156 U CN202278156 U CN 202278156U
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- China
- Prior art keywords
- sandbox
- heating element
- element heater
- heater
- sand box
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a sand box moulding plastic coating heater for V-process casting. The sand box has a box body structure and comprises heating elements and an insulating plate; the insulating plate is placed at the inner bottom of the sand box; the heating elements are placed between the inner bottom of the sand box and the insulating plate and arranged at the whole inner bottom of the sand box; and therefore, the plastic coatings with different sizes are uniformly heated, and the coating efficiency is improved.
Description
Technical field
The utility model relates to a kind of casting firing equipment, specifically relates to a kind of plastic film coated heater of sandbox casting mold of V method casting usefulness.
Background technology
The casting of V method is a kind of casting technique of environmental protection; Casting technique develops rapidly at home at present; V method casting technique is to utilize the moulding of plastic sheeting overlay film and seal sandbox; Through the air in the vavuum pump extraction type, rely on the inside and outside pressure official post dry sand consolidation of die cavity, form a kind of casting and molding method of required die cavity.
The sandbox that utilizes the V method to cast big-and-middle-sized foundry goods at present and use, make plastic film coated closely connected on template just seem very important of the height of moulding compound film quality, prior art is general only carries out overlay film through heating element heater to the plastic film coated local heat of carrying out at the inner bottom part of sandbox; Because the heating scope of heater element less than the area of plastic film coated mould, just less than plastic film coated area, can cause the plastic film coated inequality of being heated when causing heating; The mid portion temperature is high; Temperature is low all around, and the plastic sheeting of mid portion burns out easily, and perhaps the edge produces the slit; After air gets into from the slit, when cast, cause gas leakage to influence casting product quality.
The utility model content
The purpose of the utility model provides the plastic film coated heater of sandbox casting mold of a kind of V method casting usefulness, heats uneven problem when solving in the prior art heating of plastic overlay film.
To achieve these goals; The utility model provides a kind of plastic film coated heater of sandbox casting mold of V method casting usefulness; Sandbox is a body structure, comprises heating element heater and insulation board, and insulation board is placed on the inner bottom part of sandbox; Heating element heater is placed between the inner bottom part and insulation board of sandbox, and heating element heater is laid in the whole inner bottom part of sandbox.
The madial wall of sandbox is provided with heating element heater and insulation board, and heating element heater is placed between the madial wall of insulation board and sandbox.
Heating element heater adopts heating tape formula heating element heater.
Heating element heater adopts the entire area of inner bottom part to lay; Make large-area plastic film coatedly also can well be heated; The cloth of the heating element heater of the madial wall of sandbox is if evenly heats is better, simultaneously because the operating efficiency of overlay film in the casting process has been accelerated in the significantly raising of heating surface (area) (HS.
The beneficial effect of the utility model is that differ in size plastic film coated is heated evenly, improves overlay film efficient.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the heating element heater installation position sketch map of the utility model embodiment.
Wherein: 1-sandbox, 2-heating element heater, 3-insulation board.
The specific embodiment
Specify the preferred embodiment of the utility model below in conjunction with accompanying drawing.
Embodiment is as shown in Figure 1; Present embodiment provides a kind of plastic film coated heater of sandbox casting mold of V method casting usefulness, and sandbox 1 is a body structure, comprises heating element heater 2 and insulation board 3; Heating element heater 2 adopts heating tape formula heating element heater; Heating tape formula heating element heater is arranged between the inner bottom part and insulation board 3 of sandbox 1, and heating element heater 2 is emitted on the whole inner bottom part of sandbox 1, perhaps also can lay heating element heater 2 at four medial surfaces of sandbox 1.
The beneficial effect of present embodiment is to make plastic film coated being heated evenly, improves overlay film efficient.
Claims (3)
1. a V method is cast the plastic film coated heater of sandbox casting mold of usefulness; Sandbox is a body structure; It is characterized in that: comprise heating element heater and insulation board; Insulation board is placed on the inner bottom part of sandbox, and heating element heater is placed between the inner bottom part and insulation board of sandbox, and heating element heater is laid in the whole inner bottom part of sandbox.
2. the plastic film coated heater of sandbox casting mold of a kind of V method casting usefulness according to claim 1, it is characterized in that: the madial wall of sandbox is provided with heating element heater and insulation board, and heating element heater is placed between the madial wall of insulation board and sandbox.
3. the plastic film coated heater of sandbox casting mold of a kind of V method casting usefulness according to claim 1 and 2 is characterized in that: heating element heater adopts heating tape formula heating element heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812046U CN202278156U (en) | 2011-10-10 | 2011-10-10 | Sand box moulding plastic coating heater for V-process casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812046U CN202278156U (en) | 2011-10-10 | 2011-10-10 | Sand box moulding plastic coating heater for V-process casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278156U true CN202278156U (en) | 2012-06-20 |
Family
ID=46224342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203812046U Expired - Fee Related CN202278156U (en) | 2011-10-10 | 2011-10-10 | Sand box moulding plastic coating heater for V-process casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923767A (en) * | 2015-06-30 | 2015-09-23 | 林怀敏 | Vacuum casting electric heating sand box |
| CN104972076A (en) * | 2015-06-30 | 2015-10-14 | 林怀敏 | Vacuum casting electric heating sand box and double-metal thermal compounding casting method using vacuum casting electric heating sand box |
-
2011
- 2011-10-10 CN CN2011203812046U patent/CN202278156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923767A (en) * | 2015-06-30 | 2015-09-23 | 林怀敏 | Vacuum casting electric heating sand box |
| CN104972076A (en) * | 2015-06-30 | 2015-10-14 | 林怀敏 | Vacuum casting electric heating sand box and double-metal thermal compounding casting method using vacuum casting electric heating sand box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20131010 |