CN215799763U - Vacuum gas quenching furnace for improving heat treatment effect - Google Patents
Vacuum gas quenching furnace for improving heat treatment effect Download PDFInfo
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- CN215799763U CN215799763U CN202122022305.0U CN202122022305U CN215799763U CN 215799763 U CN215799763 U CN 215799763U CN 202122022305 U CN202122022305 U CN 202122022305U CN 215799763 U CN215799763 U CN 215799763U
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Abstract
The utility model discloses a vacuum gas quenching furnace for improving heat treatment effect, and relates to the technical field of heat treatment. The bottom end in the gas quenching furnace body is provided with a molten salt box, and the bottom of the gas quenching furnace body is provided with a heating device; a placing plate is installed in the gas quenching furnace body, heating pipes are respectively arranged on two sides of the top of the molten salt box, branch pipes are connected above the heating pipes, the branch pipes are communicated through the connecting pipes, and a valve is arranged on each branch pipe; the bottom of the placing plate is provided with a heating auxiliary pipe, and two ends of the heating auxiliary pipe are respectively communicated with the two heating pipes; two cooling pipes are arranged between the two heating pipes, a plurality of branch pipes are arranged on the side faces of the cooling pipes, the branch pipes are communicated through communicating pipes, and each branch pipe is provided with a valve. The utility model has the advantages that: according to the different heights of the workpiece, the branch pipes and the branch pipes with corresponding heights can be selected, the distance between the top of the workpiece and the connecting pipe and the distance between the top of the workpiece and the connecting pipe are shorter, the top, the bottom and the periphery of the workpiece can be heated and cooled, and the heat treatment effect of the workpiece is better.
Description
Technical Field
The utility model relates to the technical field of heat treatment, in particular to a vacuum gas quenching furnace for improving heat treatment effect.
Background
The metal heat treatment is a process of heating a metal workpiece in a certain medium to a proper temperature, keeping the temperature for a certain time, cooling, and controlling the performance of the metal workpiece by changing the structure of the surface or the interior of the metal material, and a vacuum gas quenching furnace is common heat treatment equipment.
In the prior art, patent application No. CN201921152464.9 discloses a molten salt quick heating type vacuum gas quenching furnace, which increases the overall heating speed through a molten salt heating device, increases the heating speed of each point inside, and increases the overall cooling speed, thereby increasing the overall speed of heat treatment on metal. However, when the workpieces are subjected to heat treatment, different workpieces have different heights, the distance between the top of the workpiece with the lower height and the upper bent pipe is longer, the bottom of the workpiece cannot be heated, the heating effect is poor, and the heat treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vacuum gas quenching furnace for improving heat treatment effect, which can solve the problems of poor heating effect, low cooling speed and poor heat treatment effect of the top and the bottom of a workpiece caused by different distances between the top of the workpiece with different heights and an upper bent pipe in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: including the gas quenching stove body, the top of gas quenching stove body is equipped with the vacuum pump, the inlet scoop of vacuum pump passes in the top of gas quenching stove body extends to the gas quenching stove body, and the gas quenching stove body passes through the support frame support of bottom, its characterized in that: the side surface of the gas quenching furnace body is provided with a furnace door, the bottom end inside the gas quenching furnace body is fixedly provided with a molten salt box, the bottom of the gas quenching furnace body is fixedly provided with a heating device, and the heating end of the heating device penetrates through the bottom of the gas quenching furnace body and the bottom of the molten salt box and extends into the molten salt box;
a horizontal placing plate is fixedly installed in the gas quenching furnace body and located above the molten salt box, longitudinal heating pipes communicated with the molten salt box are respectively arranged on two sides of the top of the molten salt box, the top of each heating pipe is closed, a plurality of branch pipes arranged at intervals are respectively connected to one side above each heating pipe from top to bottom, the branch pipes connected to the two heating pipes are respectively arranged correspondingly, the two correspondingly arranged branch pipes are communicated through connecting pipes, and a valve is arranged on each branch pipe;
the bottom of the placing plate is provided with a heating auxiliary pipe, and two ends of the heating auxiliary pipe are respectively communicated with the two heating pipes;
a molten salt pump is fixedly arranged at the top of the molten salt box, a material suction port of the molten salt pump penetrates through the top of the molten salt box and extends into the molten salt box, and a material discharge port of the molten salt pump is connected with a heating pipe;
the position is equipped with two cooling tubes between two heating pipes, the relative side top of two cooling tubes corresponds from top to bottom respectively and is equipped with the several and divides the pipe, the several divides the pipe interval to set up, and through communicating pipe intercommunication, every is divided and is equipped with the valve between the corresponding branch pipe, the several divides the pipe to stagger the below of locating the several branch pipe respectively.
Further, the heating pipe passes and places the board setting, the heating auxiliary pipe is fixed in placing the board bottom through the ribbon.
Furthermore, the two cooling pipes respectively penetrate through the placing plate, the bottom of one cooling pipe is communicated with the cooling liquid inlet pipe, the bottom of the other cooling pipe is communicated with the cooling liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively arranged on the two side faces of the gas quenching furnace body in a penetrating mode.
Further, a cooling auxiliary pipe is arranged below the placing plate, the cooling auxiliary pipe is arranged between the placing plate and the heating auxiliary pipe, and two ends of the cooling auxiliary pipe are respectively communicated with the two cooling pipes.
Further, the cooling auxiliary pipe is fixed at the bottom of the placing plate through a binding belt.
After adopting the structure, the utility model has the advantages that: after the work piece was placed and is placed on the board, according to the co-altitude of work piece, select corresponding high branch pipe and branch pipe, pass through the connecting pipe intercommunication with the branch pipe, to divide the pipe to pass through communicating pipe intercommunication, the top and the connecting pipe of work piece, the distance of communicating pipe is shorter, the fused salt after the heating gets into in connecting pipe and the heating auxiliary pipe from the heating pipe, top to the work piece, bottom and periphery heat, during the cooling, be empty in heating pipe and the branch pipe, the cooling liquid lets in cooling pipe and the branch pipe, also have the cooling liquid in the cooling auxiliary pipe, can be to the top of work piece, bottom and periphery cool off, cooling area is big, the cooling pipe, divide the pipe, the distance of cooling auxiliary pipe and work piece is nearer, and can directly cool off the work piece, the cooling effect is good, the heat treatment effect of work piece is better.
Drawings
FIG. 1 is a schematic external view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: including gas quenching stove body 1, the top of gas quenching stove body 1 is equipped with vacuum pump 2, and in the inlet scoop of vacuum pump 2 passed the top of gas quenching stove body 1 and extended to gas quenching stove body 1, gas quenching stove body 1 supported through the support frame 3 of bottom, and the side of gas quenching stove body 1 is equipped with furnace gate 4, and the side is located to furnace gate 4, is convenient for get workpiece 10 and puts.
As shown in fig. 2, the inside bottom end of the gas quenching furnace body 1 is fixedly provided with a molten salt tank 5, the bottom of the gas quenching furnace body 1 is fixedly provided with a heating device 6, and the heating end of the heating device 6 penetrates through the bottom of the gas quenching furnace body 1 and the bottom of the molten salt tank 5 and extends to the inside of the molten salt tank 5 to heat the molten salt in the molten salt tank 5.
A horizontal placing plate 7 is fixedly installed in the gas quenching furnace body 1, the placing plate 7 is located above the molten salt box 5, longitudinal heating pipes 8 communicated with the molten salt box 5 are respectively arranged on two sides of the top of the molten salt box 5, the heating pipes 8 penetrate through the placing plate 7, the top of each heating pipe 8 is sealed, a plurality of branch pipes 81 arranged at intervals are respectively connected to one side, opposite to the top of each heating pipe 8, of each heating pipe from top to bottom, the branch pipes 81 connected to the two heating pipes 8 are respectively and correspondingly arranged, the two correspondingly arranged branch pipes 81 are communicated through connecting pipes 82, a valve is arranged on each branch pipe 81, the branch pipes 81 with different heights can be correspondingly selected according to the height of a workpiece 10, then the selected branch pipes 81 are communicated through the connecting pipes 82, the valves on the selected branch pipes 81 are opened, the valves on the other branch pipes 81 are closed, the selected branch pipes 81 and the connecting pipes 82 are communicated with the heating pipes 8, and heated molten salt can enter the heating pipes 8, In the connecting pipe 82, the outside and the top of the workpiece 10 are heated, meanwhile, the bottom of the placing plate 7 is provided with a heating auxiliary pipe 83, two ends of the heating auxiliary pipe 83 are respectively communicated with the two heating pipes 8, the heating auxiliary pipe 83 is fixed at the bottom of the placing plate 7 through a ribbon, heated molten salt can enter the heating auxiliary pipe 83 to heat the bottom of the workpiece 10, the workpiece 10 is closer to the heating pipes 8, the connecting pipe 82 and the heating auxiliary pipe 83, and the heating effect is good.
The fixed molten salt pump 11 that is equipped with in top of molten salt case 5, the suction opening of molten salt pump 11 passes the top of molten salt case 5 and extends to inside the molten salt case 5, and the discharge gate and a heating pipe 8 of molten salt pump 11 are connected, and heating device 6 heats the fused salt in the molten salt case 5, and molten salt pump 11 heats work piece 10 in going into heating pipe 8 with the fused salt pump after heating.
Two cooling pipes 9 are arranged between two heating pipes 8, the cooling pipes 9 and the heating pipes 8 are arranged in a staggered manner from front to back, the two cooling pipes 9 are respectively arranged by penetrating through a placing plate 7, a plurality of branch pipes 91 are correspondingly arranged above opposite side surfaces of the two cooling pipes 9 from top to bottom respectively, the plurality of branch pipes 91 are arranged at intervals, the corresponding branch pipes 91 are communicated through a communication pipe 92, each branch pipe 91 is provided with a valve which is a conventional opening and closing valve, the specific structure and principle of the valve are not explained, the plurality of branch pipes 91 are respectively arranged below the plurality of branch pipes 81 in a staggered manner, the branch pipes 91 with different heights can be selected according to the height of a workpiece 10, then the selected branch pipes 91 are communicated through the communication pipe 92, the valves on the selected branch pipes 91 are opened, the valves on the rest branch pipes 91 are closed, the selected branch pipes 91 and the communication pipe 92 are communicated with the cooling pipes 9, the bottom of one cooling pipe 9 is communicated with a cooling liquid inlet pipe, the bottom of another cooling tube 9 communicates has the coolant liquid drain pipe, and feed liquor pipe and drain pipe wear to locate respectively on the both sides face of gas quenching stove body 1, and coolant liquid feed liquor pipe and coolant liquid drain pipe advance from the front side or the rear side of gas quenching stove body 1 and go out, and the coolant liquid is in coolant liquid feed liquor pipe entering cooling tube 9, reentrant communicating pipe 92 in, cools off the top and the side of work piece 10.
The lower portion of the placing plate 7 is provided with a cooling secondary pipe 93, the cooling secondary pipe 93 is fixed at the bottom of the placing plate 7 through a binding belt, the cooling secondary pipe 93 is arranged between the placing plate 7 and the heating secondary pipe 83, two ends of the cooling secondary pipe 93 are respectively communicated with the two cooling pipes 9, and cooling liquid can enter the cooling secondary pipe 93 from the cooling pipes 9 to cool the bottom of the workpiece 10.
The working principle is as follows: opening the furnace door 4, placing the workpiece 10 on the placing plate 7, then selecting the branch pipe 81 and the branch pipe 91 with corresponding heights according to different heights of the workpiece 10, communicating the selected branch pipe 81 through the connecting pipe 82, opening the valve on the selected branch pipe 81, closing the valves on the other branch pipes 81, communicating the selected branch pipe 81 and the connecting pipe 82 with the heating pipe 8, communicating the selected branch pipe 91 through the communicating pipe 92, opening the valve on the selected branch pipe 91, closing the valves on the other branch pipes 91, communicating the selected branch pipe 91 and the communicating pipe 92 with the cooling pipe 9, then closing the furnace door 4, vacuumizing the interior of the gas quenching furnace body 1 through the vacuum pump 2, heating the molten salt in the molten salt box 5 through the heating device 6, pumping the heated molten salt into the heating pipe 8, the connecting pipe 82 and the heating auxiliary pipe 83 through the molten salt pump 11 to heat the outer side, the top and the bottom of the workpiece 10, the distance between the top of the workpiece 10 and the connecting pipe 82 is short, the heating effect is good, during cooling, the molten salt pump 11 stops working, the heating pipe 8 and the branch pipe 81 are empty, the cooling pipe 9 and the branch pipe 91 are communicated, the cooling liquid is introduced into the communicating pipe 92, the cooling liquid is also contained in the cooling auxiliary pipe 93, the top and the bottom of the workpiece 10 can be cooled, the cooling area is large, the cooling pipe 9, the communicating pipe 92 and the cooling auxiliary pipe 93 are close to the workpiece 10, the workpiece 10 can be directly cooled, the cooling effect is good, and the heat treatment effect of the workpiece 10 is better.
This embodiment can be according to the different heights of work piece, select corresponding high branch pipe and branch pipe, pass through the connecting pipe intercommunication with the branch pipe, to divide the pipe to pass through communicating pipe intercommunication, the top and the connecting pipe of work piece, the distance of communicating pipe is shorter, the fused salt after the heating gets into connecting pipe and heating auxiliary pipe from the heating pipe, top to the work piece, bottom and periphery heat, during the cooling, the coolant liquid lets in cooling tube and branch pipe, also there is the coolant liquid in the cooling auxiliary pipe, can be to the top of work piece, bottom and periphery cool off, the cooling area is big, and can directly cool off the work piece, the cooling effect is good, the heat treatment effect of work piece is better.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a promote vacuum gas quenching stove of thermal treatment effect, includes the stove body that quenches of gas, the top of the stove body that quenches of gas is equipped with the vacuum pump, the inlet scoop of vacuum pump passes the top of the stove body that quenches of gas and extends to this internal, and the stove body that quenches of gas is supported its characterized in that through the support frame of bottom: the side surface of the gas quenching furnace body is provided with a furnace door, the bottom end inside the gas quenching furnace body is fixedly provided with a molten salt box, the bottom of the gas quenching furnace body is fixedly provided with a heating device, and the heating end of the heating device penetrates through the bottom of the gas quenching furnace body and the bottom of the molten salt box and extends into the molten salt box;
a horizontal placing plate is fixedly installed in the gas quenching furnace body and located above the molten salt box, longitudinal heating pipes communicated with the molten salt box are respectively arranged on two sides of the top of the molten salt box, the top of each heating pipe is closed, a plurality of branch pipes arranged at intervals are respectively connected to one side above each heating pipe from top to bottom, the branch pipes connected to the two heating pipes are respectively arranged correspondingly, the two correspondingly arranged branch pipes are communicated through connecting pipes, and a valve is arranged on each branch pipe;
the bottom of the placing plate is provided with a heating auxiliary pipe, and two ends of the heating auxiliary pipe are respectively communicated with the two heating pipes;
a molten salt pump is fixedly arranged at the top of the molten salt box, a material suction port of the molten salt pump penetrates through the top of the molten salt box and extends into the molten salt box, and a material discharge port of the molten salt pump is connected with a heating pipe;
the position is equipped with two cooling tubes between two heating pipes, the relative side top of two cooling tubes corresponds from top to bottom respectively and is equipped with the several and divides the pipe, the several divides the pipe interval to set up, and through communicating pipe intercommunication, every is divided and is equipped with the valve between the corresponding branch pipe, the several divides the pipe to stagger the below of locating the several branch pipe respectively.
2. The vacuum gas quenching furnace for improving heat treatment effect as claimed in claim 1, wherein: the heating pipe passes and places the board setting, the heating auxiliary pipe is fixed in and places the board bottom through the ribbon.
3. The vacuum gas quenching furnace for improving heat treatment effect as claimed in claim 1, wherein: the two cooling pipes penetrate through the placing plate respectively, the bottom of one cooling pipe is communicated with the cooling liquid inlet pipe, the bottom of the other cooling pipe is communicated with the cooling liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are arranged on two side faces of the gas quenching furnace body in a penetrating mode respectively.
4. The vacuum gas quenching furnace for improving heat treatment effect as claimed in claim 1, wherein: the placing plate is provided with a cooling auxiliary pipe below, the cooling auxiliary pipe is arranged between the placing plate and the heating auxiliary pipe, and two ends of the cooling auxiliary pipe are respectively communicated with the two cooling pipes.
5. The vacuum gas quenching furnace for improving heat treatment effect as claimed in claim 4, wherein: the cooling auxiliary pipe is fixed at the bottom of the placing plate through a binding belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122022305.0U CN215799763U (en) | 2021-08-26 | 2021-08-26 | Vacuum gas quenching furnace for improving heat treatment effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122022305.0U CN215799763U (en) | 2021-08-26 | 2021-08-26 | Vacuum gas quenching furnace for improving heat treatment effect |
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| CN215799763U true CN215799763U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122022305.0U Active CN215799763U (en) | 2021-08-26 | 2021-08-26 | Vacuum gas quenching furnace for improving heat treatment effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377190A (en) * | 2023-03-10 | 2023-07-04 | 江苏凯乐金属科技有限公司 | Workpiece rapid circulation cooling device for metal heat treatment processing |
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2021
- 2021-08-26 CN CN202122022305.0U patent/CN215799763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377190A (en) * | 2023-03-10 | 2023-07-04 | 江苏凯乐金属科技有限公司 | Workpiece rapid circulation cooling device for metal heat treatment processing |
| CN116377190B (en) * | 2023-03-10 | 2024-02-20 | 松森特殊金属(长沙)有限公司 | Workpiece rapid circulation cooling device for metal heat treatment processing |
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