CN203878172U - Novel annealing tooling of vacuum high-pressure gas-quenching furnace - Google Patents
Novel annealing tooling of vacuum high-pressure gas-quenching furnace Download PDFInfo
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- CN203878172U CN203878172U CN201420313351.3U CN201420313351U CN203878172U CN 203878172 U CN203878172 U CN 203878172U CN 201420313351 U CN201420313351 U CN 201420313351U CN 203878172 U CN203878172 U CN 203878172U
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Abstract
The utility model provides a novel annealing tooling of a vacuum high-pressure gas-quenching furnace, which comprises a box-shaped matrix having an opening on the top and partition plates, wherein the partition plates are arranged in the box cavity of the matrix and divide the box cavity of the matrix into a plurality of product containing cavities; a metal flocculent filler is arranged in each product containing cavity; the filler is laid on the upper part and the lower part of a product to be annealed to form an interlayer; and the top of the matrix is covered with a screen cover. The semiclosed structure prevents the product from being subjected to surface contamination due to exposure to gas flow; the flocculent filler laid on the upper and lower sides of the product ensures that the product is in a suspended state, thereby ensuring sufficient flowing of the gas flow at the bottom of the product and improving the product performance consistency; and the partition effect of the partition plates ensures that multiple types of products can be loaded by the tooling without confusion. Compared with the existing tray type tooling, the product containing cavities of the tooling ensure the product loading capacity and improve the production efficiency.
Description
Technical field
The utility model belongs to equipment for Heating Processing field, especially relates to a kind of annealing frock of high-pressure gas quenching furnace.
Background technology
Vacuum high pressure gas quenching heat treatment furnace is mainly comprised of charging frock, gas-holder, vacuum system, heating system, cooling fan and body of heater, as shown in Figure 1.The principle of work of this stove is: product is placed in to charging frock, then charging frock is sent into the heating zone in body of heater, energising makes to heat original paper work; Maintain electric current with insulation; Insulation finishes rear gas-holder and be filled with argon gas in body of heater, reaches after certain air pressure, and cooling fan is started working, and by fan, makes gas stream in the stove speed accelerate to reach the object of cooling; In stove, temperature is reduced to after certain numerical value, closes fan and comes out of the stove.
Body of heater internal work principle as shown in Figure 2.
The charging frock of now using is completely unlimited tray type, produces, when using this frock loading stocks to enter stove when insulation finishes, argon gas directly rushes at product surface, product is fully contacted with argon gas under the condition of high temperature, once there is impurity in argon gas, very easily there is surface contamination in product; And because the cooling system working portion of this heat treatment furnace is cooling fan, when cooling because the density of air-flow mainly concentrates on below cooling fan, this just causes when product amount is many, product accumulation is covered product and cannot be contacted with air-flow, product will be feeded, and frock ventilation is empty stops up, and lower floor's product cannot be contacted with air-flow and cause cooling rate uneven.For this situation, my company has taked the measures such as batch property control, although the condition of production is taken on a new look to some extent, but cannot tackle the problem at its root, because pure titanium or titanium alloy is high value added product, produce so very large cost waste, simultaneously because Aerospace Products is very high to quality and stability requirement, so also easily produced hidden danger of quality.
Therefore, pollution problem and the portioned product performance problem of non-uniform of the product of this stove in annealing process is badly in need of solving.
Summary of the invention
Problem to be solved in the utility model is the structure that changes existing frock, avoids because upper strata product surface is exposed to air-flow Zhong Qie lower floor product, cannot touching air-flow in annealing process, and causes the surface contamination of product and anneal uneven.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Novel disk withdrawal firer dress of high-pressure gas quenching furnace, the box-like matrix and the dividing plate that comprise open top, described dividing plate is arranged in the box chamber of described matrix, and the box chamber of described matrix is divided into a plurality of product cavity volumes, in described product cavity volume, be provided with the cotton-shaped weighting material of metal, described weighting material is layed in treats that the upper and lower of annealing product forms interlayer, and the top overspread of described matrix has square.
Adopt semienclosed structure; avoided product to be directly exposed in air-flow; the cotton-shaped weighting material of metal is that product is in guard mode; isolated the dust that body of heater inside may exist; and what the weighting material of product bottom was given air-flow passes through to provide space; the consistence that has guaranteed product each several part annealing cooling rate, a plurality of product cavity volumes can load multiple product and be independent of each other.
Wherein, in order to guarantee the stowage capacity of frock, the sidewall of described matrix and the height of described dividing plate are 80mm～120mm, product to be annealed is positioned in each product cavity volume, when product amount is more, product can be stacked from down to up by the order of one deck weighting material one deck product, and top layer is laid in weighting material, has increased like this loading capacity of frock.
Wherein, in order to guarantee the intensity of frock, prevent that it is at high temperature out of shape, the thickness of the sidewall of described matrix, diapire and described dividing plate is all set to 3mm～8mm.
Wherein, in order to prevent that the weighting material of described square and below thereof from being blown afloat by air-flow, described square self possesses certain weight, and the surface-area of described square is greater than the open top area of described matrix, and the complete overspread of the open top of described matrix is in the below of described square.
Further, in order to prevent that described square from being blown afloat by air-flow, increase fixed cell, described square is connected by fixed cell with the top of described matrix.Described fixed cell can prevent that square from departing from from matrix top, thus guarantee square fixedly overspread at the top of product cavity volume, prevent that cotton-shaped weighting material from being blown afloat by air-flow.
Further, in order to prevent that weighting material from being blown afloat from the mesh of square by air-flow, on described square, the area of single mesh is 25mm
2～100mm
2.
Wherein, for guaranteeing the weight of frock and avoiding its distortion under hot environment, described matrix and described dividing plate adopt stainless steel to make.
Wherein, described weighting material adopts and treats the material that annealing product chemical property is approaching, and during for the vacuum annealing of titanium alloy product, described weighting material adopts pure titanium bits or titanium alloy bits.
Advantage and the positively effect that the utlity model has are: semienclosed structure, avoided product to be exposed in air-flow and produced surface contamination, the cotton-shaped weighting material that is layed in product upper and lower sides makes product in vacant state, the air-flow that has guaranteed product bottom is fully mobile, promoted the consistence of product performance, the subregion effect of dividing plate makes frock can load the product of many kinds and not obscure, compare with existing tray type frock, the product cavity volume of this frock has guaranteed the loading capacity of product, has improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the working state schematic representation of existing high-pressure gas quenching furnace
Fig. 2 is the principle of work schematic diagram of existing frock in high-pressure gas quenching furnace
Fig. 3 is that master of the present utility model looks schematic diagram
Fig. 4 is schematic top plan view of the present utility model
Fig. 5 is the structural representation of square
Fig. 6 is the principle of work schematic diagram of the utility model in high-pressure gas quenching furnace.
In figure: 1-matrix, 2-dividing plate, 3-product cavity volume, 4-weighting material, 5-square
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Fig. 3～6, the Novel disk withdrawal firer dress of this high-pressure gas quenching furnace, the box-like matrix 1 and the dividing plate 2 that comprise open top, described dividing plate 2 is arranged in the box chamber of described matrix 1, and the box chamber of described matrix 1 is divided into a plurality of product cavity volumes 3, in described product cavity volume 3, be provided with the cotton-shaped weighting material 4 of metal, described weighting material 4 is layed in treats that the upper and lower of annealing product forms interlayer, and the top overspread of described matrix 1 has square 5.
The height of the sidewall of described matrix 1 and described dividing plate 2 is 80mm～120mm and its wall is smooth, product to be annealed is positioned in each product cavity volume 3, when product amount is more, product can be stacked from down to up by the order of one deck weighting material 4 one deck products, the weighting material 4 of bottom guarantees that products do not contact matrix 1 bottom surface and top layer is laid in weighting material 4, like this, guaranteeing that frock wall has improved the loading capacity of frock greatly in the situation that of not damaging product surface.
In order to guarantee the intensity of frock, prevent that it is at high temperature out of shape, the thickness of the sidewall of described matrix 1, diapire and described dividing plate 2 is all set to 3mm～8mm, and 2, the matrix 1 of frock and dividing plate adopt stainless steel.
In order to prevent that described square 5 from being blown afloat by air-flow, described square 5 self need possess certain weight, can guarantee the weight that himself is enough by selecting material that weight is large to make or increase its surperficial mode, preferably, can increase the surface-area of square 5, make the complete overspread of open top of described matrix 1 in the below of described square 5, so both guaranteed that square 5 can not blown afloat by air-flow itself, can prevent that again the cotton-shaped weighting material 4 of its below from being blown afloat by air-flow.
In order to prevent that described square 5 from being blown afloat by air-flow, also can increase fixed cell, described square 5 is connected by fixed cell with the top of described matrix 1.Described fixed cell can prevent that square 5 from departing from from matrix 1 top, thus guarantee square 5 fixedly overspread at the top of product cavity volume 3, prevent that cotton-shaped weighting material 4 from being blown afloat by air-flow.Fixed cell can be that the mode of traditional binding is bundled in the limit portion of square 2 on the top of matrix, or the clasp matching by the upper limb setting at square 5 edges and matrix 1 fixes both in the mode by snapping, as long as square 5 can be fixedly connected with matrix 1.
In order to prevent that weighting material from being blown afloat from the mesh of square by air-flow, also can described square on the area of single mesh be set to 25mm
2～100mm
2.
Dividing plate 2 is separated out a plurality of product cavity volumes 3 by the box chamber of matrix 1, and preferred, dividing plate 2 is by the box chamber decile of matrix 1, and in the present embodiment, the box chamber of matrix 1 is divided into 9 product cavity volumes.
Described weighting material 4 adopts and treats the material that annealing product chemical property is approaching, and during for the vacuum annealing of titanium alloy product, described weighting material 4 adopts pure titanium bits or titanium alloy bits.
The principle of work of this frock in high-pressure gas quenching furnace be as shown in Figure 6: the bottom that first weighting material 4 is laid on to each product cavity volume 3, by product placement on weighting material 4, with weighting material 4, product is covered again, then cover square 5, and itself and matrix 1 is fixing, then the frock that is mounted with product is put in air-quenching furnace, and be placed in cooling fan below cooling draught direction as shown in Figure 6, air-flow enters frock downwards from furnace chamber top, through weighting material and product, the top in chamber is melted down in backflow, and airflow circulation is cooling to realize the annealing of product.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (9)
1. the Novel disk withdrawal firer of a high-pressure gas quenching furnace fills, it is characterized in that: the box-like matrix (1) and the dividing plate (2) that comprise open top, described dividing plate (2) is arranged in the box chamber of described matrix (1), and the box chamber of described matrix (1) is divided into a plurality of product cavity volumes (3), in described product cavity volume (3), be provided with the cotton-shaped weighting material of metal (4), described weighting material (4) is layed in treats that the upper and lower of annealing product forms interlayer, and the top overspread of described matrix (1) has square (5).
2. annealing frock according to claim 1, is characterized in that: the height of the sidewall of described matrix (1) and described dividing plate (2) is 80mm～120mm.
3. annealing frock according to claim 1, is characterized in that: the thickness of the sidewall of described matrix (1), diapire and described dividing plate (2) is 3mm～8mm.
4. annealing frock according to claim 1, is characterized in that: described dividing plate (2) is divided into 9 product cavity volumes (3) by the box chamber of described matrix (1).
5. annealing frock according to claim 1, is characterized in that: also comprise fixed cell, described square (5) is connected by fixed cell with the top of described matrix (1).
6. annealing frock according to claim 1, is characterized in that: the area of the upper single mesh of described square (5) is 25mm
2～100mm
2.
7. annealing frock according to claim 1, it is characterized in that: the surface-area of described square (5) is greater than the open top area of described matrix (1), and the complete overspread of open top of described matrix (1) is in the below of described square (5).
8. annealing frock according to claim 1, is characterized in that: described weighting material (4) is pure titanium bits or titanium alloy bits.
9. annealing frock according to claim 1, is characterized in that: described matrix (1) and described dividing plate (2) adopt stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313351.3U CN203878172U (en) | 2014-06-12 | 2014-06-12 | Novel annealing tooling of vacuum high-pressure gas-quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313351.3U CN203878172U (en) | 2014-06-12 | 2014-06-12 | Novel annealing tooling of vacuum high-pressure gas-quenching furnace |
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| Publication Number | Publication Date |
|---|---|
| CN203878172U true CN203878172U (en) | 2014-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408748A (en) * | 2019-09-06 | 2019-11-05 | 陕西航空电气有限责任公司 | A kind of method for vacuum hardening of thin-walled small size steel band spring |
-
2014
- 2014-06-12 CN CN201420313351.3U patent/CN203878172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408748A (en) * | 2019-09-06 | 2019-11-05 | 陕西航空电气有限责任公司 | A kind of method for vacuum hardening of thin-walled small size steel band spring |
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