CN213570608U - Vacuum heat treatment tool - Google Patents
Vacuum heat treatment tool Download PDFInfo
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- CN213570608U CN213570608U CN202022533772.5U CN202022533772U CN213570608U CN 213570608 U CN213570608 U CN 213570608U CN 202022533772 U CN202022533772 U CN 202022533772U CN 213570608 U CN213570608 U CN 213570608U
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Abstract
The utility model provides a vacuum heat treatment frock, including frock skeleton, a plurality of strengthening rib, frock net and a plurality of frock support, the frock skeleton is equipped with the arch all around, is equipped with the round hole on the bellying, the frock net can dismantle connect in on the frock skeleton, the strengthening rib is triangular distribution and fixed connection in on the frock skeleton, through frock leg joint between a plurality of frock skeletons. Vacuum heat treatment frock, mainly to the shortcoming that the frock easily takes place to warp at high temperature during operation, through simple mechanical means, furthest delays the trend that the frock warp to the life of extension heat treatment frock can reduce simultaneously because the frock warp the unstable problem of heat treatment quality who leads to.
Description
Technical Field
The utility model belongs to the vacuum heat treatment field especially relates to a vacuum heat treatment frock.
Background
Compared with the conventional heat treatment, the vacuum heat treatment can realize no oxidation, no decarburization and no carburization, and has the functions of degreasing, degassing and the like, thereby achieving the effect of bright surface purification. The vacuum heat treatment tool has various types and diversified styles, and can be suitable for heat treatment under different conditions; after the vacuum heat treatment, the part has small distortion, high quality and flexible operation of the process, so the method is widely applied to actual production. However, the vacuum heat treatment tool is very easy to deform in long-term work, so that the force bearing part of the tool deforms and even cracks; during repeated heating, deformation is inevitable due to gravity and can be relieved only by certain means.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a vacuum heat treatment frock to effectively prevent heat treatment frock deformation at the during operation, prolong heat treatment frock's life.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a vacuum heat treatment tool, includes tool skeleton, a plurality of strengthening rib, frock net and a plurality of tool support, the tool skeleton includes tool wall, brace table and supporting leg, the inside extension of tool wall lower extreme forms the extension board, brace table fixed connection is in the extension board lower surface of tool wall, the tool net can be dismantled and connect on the extension board, the supporting leg fixed connection be in the brace table lower surface, the tool wall with all be equipped with the round hole on the brace table, the strengthening rib is triangular distribution and fixed connection and is in on the brace table, the tool support includes supporting legs, pillar and bottom plate, the supporting legs fixed connection in on the pillar, pillar fixed connection in on the bottom plate.
Further, the brace table is a cuboid metal block, and is a plurality of the brace table is parallel to and equally spaced from the lower surface of the extension plate of the tool wall, and the length of the brace table is consistent with the width of the tool wall.
Further, the tooling net is of a rectangular structure, and the aperture specifications of the tooling net comprise 5x5mm, 6x6mm, 8x8mm and 10x10 mm.
Furthermore, the supporting legs are U-shaped, and the radian part is matched with the diameter of the reinforcing ribs or the width of the supporting platform.
Further, tool net fixing holes are formed in four corners of the extending plate of the tool wall, and thin iron wires penetrate through the tool net fixing holes to fix the tool net.
Further, it is a plurality of the frock skeleton is piled up and is placed, and passes through frock leg joint.
Furthermore, the material of pillar is high strength steel.
Further, the bottom plate is a square sheet, holes are formed in four corners of the bottom plate, and the bottom plate is detachably connected to the tool net of the tool framework through a thin iron wire.
Compared with the prior art, a vacuum heat treatment frock have following advantage:
(1) vacuum heat treatment frock and support to the shortcoming that the frock is easily out of shape at high temperature during operation, through simple mechanical means, furthest delays the trend that the frock warp to the life of extension heat treatment frock can reduce simultaneously because the frock warp the unstable problem of heat treatment quality who leads to.
(2) The circular hole structure can be prefabricated on the tool framework at intervals, so that the fluidity of a cooling medium during quenching can be increased, and a heat-treated workpiece is in full contact with the cooling medium; meanwhile, the self weight of the tool can be reduced, so that the charging amount of the workpiece is increased; the reinforcing ribs are connected with the tool framework in a welding mode, and are distributed in a triangular mode at the bottom of the tool by taking the stable structure of the triangle as reference, so that the stress concentration phenomenon generated under the action of gravity can be effectively relieved; the tool net is different from a conventional tool and is connected with a tool framework through semi-movable connection. The aperture of frock net can change according to the diameter specification of difference, when changing the frock net, only need through the iron wire fixed can, change and the installation is very simple and convenient, the frock support is in the frock use, arranges the frock support in between two-layer frock, can effectively improve because the work piece puts inhomogeneous and the weight effect leads to the inhomogeneous phenomenon of each position atress of frock, effectively delays the emergence that the frock warp, improves the life of frock.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a front view of a vacuum heat treatment tool according to an embodiment of the present invention;
fig. 2 is a left side view of a vacuum heat treatment tool according to an embodiment of the present invention;
fig. 3 is a top view of a vacuum heat treatment tool according to an embodiment of the present invention;
fig. 4 is a top view of a tooling net of a vacuum heat treatment tooling according to an embodiment of the present invention;
fig. 5 is a front view of a vacuum heat treatment tool holder according to an embodiment of the present invention;
fig. 6 is a left side view of a vacuum heat treatment tool holder according to an embodiment of the present invention;
fig. 7 is a top view of a vacuum heat treatment tool holder according to an embodiment of the present invention.
Description of reference numerals:
1. a tool wall; 2. supporting legs; 3. a support table; 4. a circular hole is formed in the wall of the tool; 5. reinforcing ribs; 6. a fixture net fixing hole; 7. a support table circular hole; 8. a tooling net; 9. supporting legs; 10. a pillar; 11. a base plate; 12. an extension plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
A vacuum heat treatment tool comprises a tool framework, a plurality of reinforcing ribs 5, a tool net 8 and a plurality of tool supports, wherein the tool framework comprises a tool wall 1, a supporting table 3 and supporting legs 2, an extension plate 12 extends inwards from the lower end of the tool wall 1, tool net fixing holes 6 are formed in four corners of the extension plate 12, the supporting table 3 is fixedly connected to the tool wall 1, the supporting legs 2 are fixedly connected to the supporting table 3, the supporting table 3 is a cuboid metal block, the supporting tables 3 are distributed on the lower surface of the extension plate 12 in parallel at equal intervals, the length of the supporting table 3 is consistent with the width of the tool wall 1, a tool wall round hole 4 is formed in the tool wall 1, a round hole 7 is formed in the supporting table 3, and the round holes can increase the flowability of a cooling medium during quenching so that the heat-treated workpiece is in full contact with the cooling medium, meanwhile, the self weight of the tool can be reduced, so that the charging amount of the workpiece is increased.
The strengthening rib 5 is the tubular structure, is triangular distribution and fixed connection and is in on the frock skeleton, strengthening rib 5 is connected with the frock skeleton through welded mode, and triangular stable structure is used for reference to strengthening rib 5, and with triangular distribution bottom the frock, can the active dispersion because the produced stress concentration phenomenon of action of gravity improves the life of frock.
The frock support includes supporting legs 9, pillar 10 and bottom plate 11, supporting legs 9 is the arc, and the radian with the diameter of strengthening rib 5 or brace table 3's width length is the same, when matching with the strengthening rib 5 of frock or brace table 3, plays fixed and positioning action, supporting legs 9 fixed connection in on the pillar 10, pillar 10 is the main load part of support, selects higher strength steel to make. The support selects different pillar 10 lengths according to different layer heights between the frock to the adaptation service environment. The support column 10 is fixedly connected to the bottom plate 11, the bottom plate 11 is a square thin sheet, and holes are formed in four corners of the bottom plate, so that the tool support and the tool can be fixedly connected.
A plurality of through frock leg joint between the frock skeleton, arrange the frock support in between two-layer frock, can effectively improve because the work piece puts inhomogeneous and the weight effect leads to the inhomogeneous phenomenon of each position atress of frock, effectively delay the emergence that the frock warp, improve the life of frock.
Comparative example
The common tool comprises a supporting leg, a tool wall and a tool net, wherein the tool wall extends inwards to form an extension plate, the tool net is fixedly connected to the extension plate of the tool wall, the supporting leg is fixedly connected with the extension plate of the tool wall, and the tool net is horizontally placed on the ground during use and does not have a tool support.
The use condition of the heat treatment tool is shown in table 1, wherein the tool and the bracket are made of Cr12MoV, the tool net is made of 304 stainless steel, the working condition is 40-60min at 1020 ℃ or 40-60min at 890 ℃, and the tool is cooled by water or oil.
The heat treatment experiments were performed on 2 pieces of the workpiece using the examples and comparative examples, respectively, and the experimental data are shown in table 1.
TABLE 1 statistics of heat treatment tool usage
The data in table 1 show that the time for starting the deformation of the heat treatment tool of the utility model is delayed by more than 50% compared with the time for starting the deformation of the common tool, and the service life is prolonged by more than 100% on average.
The specific working steps are as follows:
at first, tool net 8 and the tool support of suitable height in suitable aperture are selected according to the kind of frock, connect tool net 8 on the tool skeleton with thin iron wire, then place vacuum heat treatment's work piece on tool net 8, in the vacant position of tool net 8, pass 11 four corner holes of bottom plate of tool support with thin iron wire, connect it on tool net 8, make two frock arrange from top to bottom through the supporting legs 9 that match the tool support with the strengthening rib 5 or the brace table 3 of next frock, repeat above step, accomplish holding of handling the back work piece.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a vacuum heat treatment frock which characterized in that: including frock skeleton, a plurality of strengthening rib, frock net and a plurality of frock support, the frock skeleton includes frock wall, brace table and supporting leg, frock wall lower extreme is inside to be extended and is formed the extension board, brace table fixed connection is in the extension board lower surface of frock wall, the frock net can be dismantled and connect on the extension board, the supporting leg fixed connection be in the brace table lower surface, the frock wall with all be equipped with the round hole on the brace table, the strengthening rib is triangular distribution and fixed connection and is in on the brace table, the frock support includes supporting legs, pillar and bottom plate, supporting legs fixed connection in on the pillar, pillar fixed connection in on the bottom plate.
2. The vacuum heat treatment tool according to claim 1, characterized in that: the supporting table is a cuboid metal block, the supporting tables are parallel and distributed on the lower surface of the extension plate of the tool wall at equal intervals, and the length of the supporting tables is consistent with the width of the tool wall.
3. The vacuum heat treatment tool according to claim 1, characterized in that: the tool net is of a rectangular structure, and the aperture specifications of the tool net comprise 5x5mm, 6x6mm, 8x8mm and 10x10 mm.
4. The vacuum heat treatment tool according to claim 1 or 2, characterized in that: the supporting legs are U-shaped, and the radian parts are matched with the diameters of the reinforcing ribs or the width of the supporting platform.
5. The vacuum heat treatment tool according to claim 1, characterized in that: tool net fixing holes are formed in four corners of an extending plate of the tool wall, and fine iron wires penetrate through the tool net fixing holes to fix the tool net.
6. The vacuum heat treatment tool according to claim 1, characterized in that: a plurality of the tool frameworks are stacked and placed and connected through a tool support.
7. The vacuum heat treatment tool according to claim 1, characterized in that: the support column is made of high-strength steel.
8. The vacuum heat treatment tool according to claim 1, characterized in that: the bottom plate is a square thin sheet, holes are formed in four corners of the bottom plate, and the bottom plate is detachably connected to the tool net of the tool framework through a thin iron wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533772.5U CN213570608U (en) | 2020-11-05 | 2020-11-05 | Vacuum heat treatment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533772.5U CN213570608U (en) | 2020-11-05 | 2020-11-05 | Vacuum heat treatment tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213570608U true CN213570608U (en) | 2021-06-29 |
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ID=76534407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022533772.5U Active CN213570608U (en) | 2020-11-05 | 2020-11-05 | Vacuum heat treatment tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213570608U (en) |
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2020
- 2020-11-05 CN CN202022533772.5U patent/CN213570608U/en active Active
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