CN220224223U - Normalizing cooling device for workpiece machining - Google Patents
Normalizing cooling device for workpiece machining Download PDFInfo
- Publication number
- CN220224223U CN220224223U CN202321454753.0U CN202321454753U CN220224223U CN 220224223 U CN220224223 U CN 220224223U CN 202321454753 U CN202321454753 U CN 202321454753U CN 220224223 U CN220224223 U CN 220224223U
- Authority
- CN
- China
- Prior art keywords
- air
- reversing valve
- interface
- cooling chamber
- induced draft
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 87
- 238000003754 machining Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000000605 extraction Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a normalizing cooling device for workpiece processing, which comprises an air cooling chamber and a cold air system, wherein a bearing piece, an upper air box and a lower air box for supporting a workpiece are arranged in the air cooling chamber; the cold air system comprises a reversing valve and an induced draft fan, a first interface of the reversing valve is connected with an inlet of the induced draft fan through an induced draft pipe, and an air outlet of the induced draft fan is connected with the outside through a heat extraction air pipe; the second port of the reversing valve is connected with the upper air box, the third port of the reversing valve is connected with the lower air box, and the fourth port of the reversing valve is connected with the cold air system. The utility model can realize the up-down alternate air supply of the air cooling chamber by only one reversing valve and one induced draft fan, has simple structure, can realize the up-down alternate air supply by only controlling the position of the valve plate in the reversing valve in the air cooling process, simplifies the pipeline and is convenient to control. In addition, the cold air system can enable the air cooling chamber to be in a negative pressure state, and reduces the requirement on the tightness of the air cooling chamber.
Description
Technical Field
The utility model relates to the field of normalizing air cooling of workpieces, in particular to a normalizing cooling device for workpiece machining.
Background
The normalizing air cooling is a key process of normalizing heat treatment of a plurality of workpieces, and for the normalizing air cooling with high uniformity of batch workpieces, an air cooling chamber is generally adopted for normalizing air cooling. At present, workpiece normalizing air cooling mainly has two modes, namely a lower air supply and upper air exhaust mode, wherein the cooling mode is to send cold air into a lower air box by using an air supply fan, and to extract hot air in an upper air box by using an exhaust fan, and the air cooling mode is easy to have uneven upper and lower cooling. The second air cooling mode is to realize the up-down alternate exhaust of the air cooling chamber by using one air blower and a plurality of valves, but the sealing requirement on the air cooling chamber is higher because the air cooling chamber is positive pressure; when changing the wind direction, a plurality of valves are required to be controlled in a linkage way, and pipelines and control are complex; moreover, because the air pipes connected with the air cooling chamber are large-diameter air pipes, the existing alternative air exhaust mode has more pipelines, so that the whole air cooling system is huge and occupies a large space.
Disclosure of Invention
In view of the above, the utility model provides a normalizing cooling device for workpiece processing, which not only can make an air cooling chamber in a negative pressure state, but also can realize up-down alternate air supply, and can simplify a cold air system and facilitate control.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the normalizing cooling device for workpiece processing comprises an air cooling chamber for cooling a workpiece and a cold air system connected with the air cooling chamber, wherein a bearing piece, an upper air box and a lower air box for supporting the workpiece are arranged in the air cooling chamber; the cold air system comprises a reversing valve and an induced draft fan, a first interface of the reversing valve is connected with an inlet of the induced draft fan through an induced draft pipe, and an air outlet of the induced draft fan is connected with the outside through a heat extraction air pipe; the second interface of the reversing valve is connected with the upper air box through an upper air box pipe, the third interface of the reversing valve is connected with the lower air box through a lower air box pipe, and the fourth interface of the reversing valve is connected with a cold air supply pipe of a cold air system.
In the utility model, the up-down alternate air supply of the air cooling chamber can be realized by only one reversing valve and one induced draft fan, the structure is simple, the up-down alternate air supply can be realized by only controlling the position of the valve plate in the reversing valve in the air cooling process, and the pipeline is simplified and convenient to control. In addition, the cold air system can enable the air cooling chamber to be in a negative pressure state, and reduces the requirement on the tightness of the air cooling chamber.
In the preferred embodiment of the utility model, the reversing valve is a four-way flange butterfly valve, and the first interface, the second interface, the third interface and the fourth interface on the valve body are flange ports. In addition, the valve plate in the valve body can be reversed by 90 degrees, so that the valve plate has two states: when the air cooling chamber enters from the lower part and goes out from the upper part, the valve plate is adjusted to a first state so that the first interface is communicated with the second interface, the third interface is communicated with the fourth interface, cold air is sent into the lower air box, and hot air is pumped out of the upper air box; when the air cooling chamber goes up, goes down, adjusts the valve plate to the second state and makes first interface and third interface intercommunication, and second interface and fourth interface intercommunication send into last bellows with cold wind to take away the hot-blast in the lower bellows, first state and second state have realized the upper and lower alternate air supply of work piece in turn, make the work piece even cooling.
Preferably, a flow guide plate is arranged on a valve plate of the reversing valve, so that the air flow is smooth, and the air flow resistance is reduced.
Compared with the prior art, the utility model has the following advantages: the utility model can realize the up-down alternate air supply of the air cooling chamber by only one reversing valve and one induced draft fan, has simple structure, can realize the up-down alternate air supply by only controlling the position of the valve plate in the reversing valve in the air cooling process, simplifies the pipeline and is convenient to control. In addition, the induced draft fan can draw out the air of the air cooling chamber in a lower air blowing mode or an upper air blowing mode, namely the induced draft fan always draws air outwards, so that the air cooling chamber is in a negative pressure state, and the requirement on the tightness of the air cooling chamber is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the present utility model (down-blowing).
Fig. 2 is another schematic illustration of the present utility model (upwind).
Fig. 3 is a schematic view of a reversing valve according to the present utility model (the reversing valve is in a first state).
Fig. 4 is a schematic view of a reversing valve according to the present utility model (the reversing valve is in a second state).
Fig. 5 is a schematic view in the a direction of fig. 4.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
In the description of the present utility model, the terms "coupled," "connected," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
1-2, the normalizing cooling device for workpiece processing comprises an air cooling chamber for cooling a workpiece and a cold air system connected with the air cooling chamber, wherein a bearing piece, an upper air box and a lower air box for bearing the workpiece are arranged in the air cooling chamber; the normalizing cooling device for workpiece processing comprises an air cooling chamber 1 for cooling a workpiece and a cold air system connected with the air cooling chamber 1, wherein a bearing piece (the bearing piece is a bearing plate 1.3 capable of ventilating up and down and is used for bearing the workpiece), an upper air box 1.1 and a lower air box 1.2 are arranged in the air cooling chamber 1; the cold air system comprises a reversing valve 2.1 and an induced draft fan 2.2, a first interface a of the reversing valve 2.1 is connected with an inlet of the induced draft fan 2.2 through an induced draft pipe 2.7, and an air outlet of the induced draft fan 2.2 is connected with the outside through a heat exhaust pipe 2.3; the second interface b of the reversing valve 2.1 is connected with the upper air box 1.1 through an upper air box pipe 2.4, the third interface c of the reversing valve 2.1 is connected with the lower air box 1.2 through a lower air box pipe 2.5, and the fourth interface d of the reversing valve 2.1 is connected with a cold air supply pipe 2.6 of a cold air system;
as can be seen from fig. 3 to 5, the reversing valve 2.1 is a four-way flange butterfly valve, and the first port a, the second port b, the third port c and the fourth port d on the valve body are flange ports, so as to be connected with each pipeline. The valve plate of the reversing valve 2.1 can be reversed by 90 degrees to achieve switching between its first and second state. In addition, the flow guide plate with the flow guide function is arranged on the valve plate, so that the flow resistance can be reduced.
When in actual work, the switching between the upward blowing and the downward blowing can be realized by only adjusting the state of the reversing valve 2.1, so that the pipeline of the cold air system is simplified, and the control is simpler. The reversing valve 2.1 is communicated with the first interface a and the second interface b in the first state, and the third interface c is communicated with the fourth interface d, so that the air cooling chamber 1 is cooled by blowing air from bottom to top, and the air cooling chamber is particularly shown in figures 1 and 3; in the second state, the first interface a is communicated with the third interface c, the second interface b is communicated with the fourth interface d, and the air cooling chamber 1 is cooled by blowing air from top to bottom, namely, the air cooling chamber is cooled by blowing air from top to bottom, as shown in fig. 2 and 4. When the switching device is used, the switching between the upper blowing mode and the lower blowing mode can be realized only by controlling the direction of the valve plate in the reversing valve 2.1.
The specific working process of the utility model is as follows:
firstly, in an initial state, a chamber door of the air cooling chamber 1 is in a closed state, and the reversing valve 2.1 is in a first state; when the workpiece is required to be subjected to air cooling, starting the induced draft fan 2.2 to enable the workpiece to be in a low-speed running state, opening a chamber door of the air cooling chamber 1 after the cooled workpiece is discharged from the heating furnace, placing the workpiece on the bearing plate 1.3 of the air cooling chamber 1, and closing the chamber door of the air cooling chamber 1; then, the wind speed of the induced draft fan 2.2 is regulated to enable the induced draft fan to reach a preset state, external cold air enters the reversing valve 2.1 through the fourth interface d and enters the lower air box 1.2 through the third interface c and the lower air box pipe 2.5, the induced draft fan 2.2 extracts hot air in the upper air box 1.1 through the first interface a, the second interface b and the upper air box pipe 2.4, the lower inlet and the upper outlet of the air cooling chamber 1 are realized, and then the lower-to-upper blowing cooling of a workpiece is realized, and the specific view is shown in fig. 1;
after cooling for a certain time, switching the reversing valve 2.1 from a first state to a second state, and enabling cold air to enter the reversing valve 2.1 through a fourth interface d and enter the upper bellows 1.1 through a second interface b and an upper bellows pipe 2.4; the first interface a and the third interface c of the reversing valve 2.1 are communicated, the induced draft fan 2.2 pumps out hot air in the lower bellows 1.2 through the first interface a, the third interface c and the lower bellows pipe 2.5, so that the upper inlet and the lower outlet of the air cooling chamber 1 are realized, and further, the top-down blowing cooling of a workpiece is realized, and the specific view is shown in fig. 2;
the position of the valve plate in the reversing valve 2.1 is periodically and alternately switched in the air cooling process, so that the up-down alternate blowing of the workpiece can be realized, and the cooling effect of the workpiece is ensured. In addition, in the cooling process, the wind speed of cooling wind can be controlled through the adjustment of the rotating speed of the induced draft fan 2.2, and then the cooling speed is controlled.
In the utility model, the air cooling chamber 1 can draw out the air in the air cooling chamber 1 to the outside (namely, the induced draft fan 2.2 can exhaust air outwards in two blowing cooling modes) no matter the air cooling chamber 1 enters from the lower part, goes out from the upper part or goes in from the lower part, so that the air cooling chamber 1 is always in a negative pressure state in the air cooling process, and the sealing requirement on the air cooling chamber 1 is reduced.
It should be emphasized that the above description is merely a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The normalizing cooling device for workpiece machining comprises an air cooling chamber for cooling a workpiece and a cold air system connected with the air cooling chamber, wherein a bearing piece, an upper air box and a lower air box for supporting the workpiece are arranged in the air cooling chamber; the method is characterized in that: the cold air system comprises a reversing valve and an induced draft fan, a first interface of the reversing valve is connected with an inlet of the induced draft fan through an induced draft pipe, and an air outlet of the induced draft fan is connected with the outside through a heat extraction air pipe; the second interface of the reversing valve is connected with the upper air box through an upper air box pipe, the third interface of the reversing valve is connected with the lower air box through a lower air box pipe, and the fourth interface of the reversing valve is connected with a cold air supply pipe of a cold air system.
2. The normalizing cooling device for workpiece processing according to claim 1, wherein: the reversing valve is a four-way flange butterfly valve, and the first interface, the second interface, the third interface and the fourth interface are flange ports.
3. The normalizing cooling device for workpiece processing according to claim 1, wherein: and a guide plate is arranged on a valve plate of the reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454753.0U CN220224223U (en) | 2023-06-08 | 2023-06-08 | Normalizing cooling device for workpiece machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454753.0U CN220224223U (en) | 2023-06-08 | 2023-06-08 | Normalizing cooling device for workpiece machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220224223U true CN220224223U (en) | 2023-12-22 |
Family
ID=89187617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321454753.0U Active CN220224223U (en) | 2023-06-08 | 2023-06-08 | Normalizing cooling device for workpiece machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220224223U (en) |
-
2023
- 2023-06-08 CN CN202321454753.0U patent/CN220224223U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105605678B (en) | A kind of air supply method of air supply device, air-conditioning equipment and air-conditioning equipment | |
| CN203323206U (en) | Smoke discharge waste heat recovery circular energy saving system | |
| CN207280003U (en) | Ultra-low temperature air source heat pump | |
| CN220224223U (en) | Normalizing cooling device for workpiece machining | |
| CN107741064A (en) | A kind of air-conditioner outdoor unit with fresh air heat recovery system | |
| CN110081578A (en) | A kind of heat exchanger and control method with by-pass line of intelligent control | |
| CN203992395U (en) | Vacuum sintering furnace cooling system | |
| CN103528133B (en) | Integral air conditioner unit | |
| CN201493120U (en) | Air-makeup biological safety cabinet | |
| CN101608819B (en) | Energy-saving central air conditioner | |
| CN205351674U (en) | Air supply arrangement and air conditioning equipment | |
| CN211011821U (en) | Air conditioning system | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN204532443U (en) | The circulatory system of the obstruct liquid of mechanical seal component | |
| CN111041168B (en) | Air cooling system for improving cooling uniformity of vertical vacuum high-pressure gas quenching equipment | |
| CN210287430U (en) | Cooling control device of vacuum high-pressure gas quenching furnace | |
| CN216192505U (en) | Automatic change vacuum heat treatment equipment | |
| CN201575540U (en) | Central air-conditioning capable of realizing energy saving | |
| CN207849675U (en) | A kind of air-conditioning device of energy efficiency temperature control | |
| CN219829522U (en) | Industrial furnace cooling system with controllable cooling speed | |
| CN203501808U (en) | Quick air cooling chamber for isothermal normalizing | |
| CN211420230U (en) | Spheroidizing annealing cooling device | |
| CN216644976U (en) | Sintering waste heat utilization system with constant temperature and variable air volume | |
| CN214458121U (en) | Hot-blast stove for iron and steel plant | |
| CN212028639U (en) | Three-way reversing temperature regulating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |