CN213147396U

CN213147396U - Improved generation vacuum sintering stove

Info

Publication number: CN213147396U
Application number: CN202021181927.7U
Authority: CN
Inventors: 叶惠明; 叶少良; 诸优明; 叶戈; 廖晓虹
Original assignee: Heyuan Zhengxin Hardmetal Carbide Co ltd
Current assignee: Heyuan Zhengxin Hardmetal Carbide Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-07
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses an improved generation vacuum sintering stove, which comprises a supporting pedestal and is characterized by further comprising, the top fixed mounting who supports the base has vacuum furnace, vacuum furnace includes furnace body and bell, fixed mounting has the mount pad on the furnace body, it has the lever hand (hold) to articulate on the mount pad, one side fixedly connected with bell of lever hand (hold), the outside fixed mounting of furnace body has the clamp cover, the outside fixed mounting who presss from both sides the cover has the heat preservation shell, the inside fixed mounting who presss from both sides the cover has the cooling tube, the cooling tube includes input and output, the top fixed mounting who supports the base has the refrigerator, the refrigerator includes input tube and output tube, the fixed intercommunication of input tube and input, the fixed intercommunication of output tube and output. The utility model relates to a vacuum sintering stove technical field, simple structure has improved the cooling rate of vacuum sintering stove, and the cooling is effectual, has improved the availability factor of equipment greatly.

Description

Improved generation vacuum sintering stove

Technical Field

The utility model relates to a vacuum sintering stove technical field especially relates to an improved generation vacuum sintering stove.

Background

The vacuum sintering furnace is a furnace for performing protective sintering on a heated object in a vacuum environment, and has a plurality of heating modes, such as resistance heating, induction heating, microwave heating and the like.

The temperature in the furnace body of the existing vacuum sintering furnace can reach more than 1000 ℃ in the sintering process, generally, the temperature can be reduced by a fan or naturally reduced for less than 300 ℃ within 15-30 hours, and the furnace door can be opened below the temperature, so that the temperature reduction speed is low, the sintering efficiency is influenced, and therefore, the improved vacuum sintering furnace is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an improved vacuum sintering furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an improved generation vacuum sintering stove, includes the support base, the top fixed mounting who supports the base has vacuum furnace, vacuum furnace includes furnace body and bell, fixed mounting has the mount pad on the furnace body, it has the lever hand (hold) to articulate on the mount pad, one side fixedly connected with bell of lever hand (hold), the outside fixed mounting of furnace body has the clamp cover, the outside fixed mounting who presss from both sides the cover has the heat preservation shell, the inside fixed mounting who presss from both sides the cover has the cooling tube, the cooling tube includes input and output, the top fixed mounting who supports the base has the refrigerator, the refrigerator includes input tube and output tube, input tube and the fixed intercommunication of input, the fixed intercommunication of output tube and output, fixed mounting has the circulating pump on the input tube, fixed mounting has the valve on the input tube.

Preferably, the support base is fixedly provided with a temperature sensor, the temperature sensor comprises a detection head and a signal head, the detection head is positioned in the support base, and the signal head is positioned outside the support base.

Preferably, a controller switch is fixedly installed at the top of the refrigerator, the controller switch is electrically connected with the circulating pump, and the controller switch is in signal connection with the signal head.

Preferably, the cooling pipe is spiral coil structure, the material of cooling pipe is copper pipe, the inside packing of cooling pipe has the refrigerant.

Preferably, a vacuum pumping valve is fixedly installed on one side of the heat preservation shell, and a mercury coating is plated on the inner wall of the heat preservation shell.

Preferably, a sealing ring is arranged on one side, close to the furnace body, of the furnace cover, and the sealing ring is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the vacuum furnace is sintered, the valve is closed, the circulating pump is started to discharge and pump the refrigerant in the cooling pipe into the refrigerating machine, so that the temperature rise of the vacuum furnace is not influenced, when the vacuum furnace is required to be cooled after sintering is finished, the valve is opened, the refrigerating machine and the circulating pump are simultaneously opened, the refrigerating machine is opened to refrigerate the refrigerant, and power is provided for the circulation of the refrigerant by opening the circulating pump, so that the effect of quickly cooling is achieved, and the sintering efficiency is improved;

2. the controller switch is set to be the control temperature of the closed or disconnected circuit loop, when the furnace body needs to be cooled, the refrigerator is started to cool the refrigerant, the controller switch is controlled to close the circuit loop, the circulating pump is in the open state, power is provided for circulation of the refrigerant, the refrigerant circulates in the cooling pipe to cool the furnace body, the cooling condition inside the furnace body is detected through the detection head of the temperature sensor, when the temperature in the furnace body is reduced to the temperature set by the signal head of the temperature sensor, the signal head sends out a temperature signal to be transmitted to the controller switch, the circuit loop is automatically disconnected after the controller switch receives the signal, the circulating pump stops circulating, the cooling operation is more intelligent, and the cost input is reduced.

Drawings

Fig. 1 is a schematic structural view of a main body of an improved vacuum sintering furnace provided by the present invention;

fig. 2 is a schematic sectional view of the improved vacuum sintering furnace in the front view direction.

In the figure: 1. a support base; 2. a vacuum furnace; 3. a furnace cover; 4. a mounting seat; 5. a lever handle; 6. a jacket; 7. a heat preservation shell; 8. a vacuum pumping valve; 9. a cooling pipe; 10. an input tube; 11. an output pipe; 12. a refrigerator; 13. a circulation pump; 14. a valve; 15. a controller switch; 16. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-2, an improved vacuum sintering furnace comprises a supporting base 1, a vacuum furnace 2 is fixedly installed at the top of the supporting base 1, the vacuum furnace 2 comprises a furnace body and a furnace cover 3, a mounting seat 4 is fixedly installed on the furnace body, a lever handle 5 is hinged on the mounting seat 4, one side of the lever handle 5 is fixedly connected with the furnace cover 3, a jacket 6 is fixedly installed at the outer part of the furnace body, a heat preservation shell 7 is fixedly installed at the outer part of the jacket 6, a cooling pipe 9 is fixedly installed inside the jacket 6, the cooling pipe 9 comprises an input end and an output end, a refrigerator 12 is fixedly installed at the top of the supporting base 1, the refrigerator 12 comprises an input pipe 10 and an output pipe 11, the input pipe 10 is fixedly communicated with the input end, the output pipe 11 is fixedly communicated with the output end, a circulating pump 13 is fixedly installed on the input pipe 10, a valve 14, operating lever hand (hold) 5, rotate vacuum furnace top cap and furnace body and coincide closely, and lock fixation nut, partly among the safe operation rules of above for vacuum sintering stove, belong to prior art, the utility model discloses in no longer neoplasms, at the in-process of 2 sinterings of vacuum furnace, close valve 14, start in the refrigerant of circulating pump 13 in with cooling tube 9 gets rid of suction refrigerator 12, do not influence the temperature rise of vacuum furnace 2, when needing the cooling after 2 sinterings of vacuum furnace are accomplished, open valve 14, open refrigerator 12 and circulating pump 13 simultaneously, refrigerator 12 through open opens, for the refrigerant refrigeration, provide power for the circulation of refrigerant through opening of circulating pump 13, thereby reach the effect of cooling rapidly, improved sintering efficiency.

Wherein, support fixed mounting and have temperature sensor 16 on the base 1, temperature sensor 16 is including detecting head and signal head, detects the head and is located the inside that supports base 1, and the signal head is located the outside that supports base 1, is convenient for detect the inside temperature of furnace body through temperature sensor 16's the detection head, is convenient for the transmission of temperature signal through the signal head.

Wherein, the top of the refrigerator 12 is fixedly provided with a controller switch 15, the controller switch 15 is electrically connected with the circulating pump 13, the controller switch 15 is in signal connection with the signal head, the controller switch 15 is firstly set to the control temperature of the closed or open circuit loop, when the furnace body needs to be cooled, the refrigerator 12 is started to cool the refrigerant, the controller switch 15 is controlled to close the circuit loop, the circulating pump 13 is in the open state to provide power for the circulation of the refrigerant, the refrigerant circulates in the cooling pipe 9 to cool the furnace body, the cooling condition in the furnace body is detected by the detection head of the temperature sensor 16, when the temperature in the furnace body is reduced to the temperature set by the signal head of the temperature sensor 16, the signal head sends out a temperature signal to be transmitted to the controller switch 15, when the controller switch 15 receives the signal, the circuit loop is automatically opened, the circulating pump 13 stops circulating, the cooling operation is more intelligent, and the cost input is reduced.

Wherein, cooling tube 9 is heliciform coil structure, and cooling tube 9's material is copper pipe, and cooling tube 9's inside packing has the refrigerant, and the refrigerant refrigeration of filling through cooling tube 9 dispels the heat to the furnace body, and coil structure makes cooling tube 9 more even to the heat dissipation of furnace body, has improved the radiating efficiency, and copper pipe material low temperature strength is high, and is firm and corrosion-resistant, is favorable to prolonging cooling tube 9's life.

Wherein, one side fixed mounting of heat preservation shell 7 has evacuation valve 8, has plated the mercury cladding material on the inner wall of heat preservation shell 7, can take out the inside of heat preservation shell 7 to the vacuum through evacuation valve 8, can prevent convection heat transfer and contact heat transfer, can prevent the radiation heat transfer through the silvered film to vacuum heat preservation's effect has been realized, the intensification and the cooling of being favorable to the fritting furnace.

Wherein, one side that bell 3 is close to the furnace body is equipped with the sealing washer, and the sealing washer is the rubber material, is convenient for strengthen the leakproofness of being connected between bell 3 and the furnace body through the sealing washer to reduce heat and run off, reduce energy resource consumption.

The working principle is as follows: the utility model discloses in, at the in-process of 2 sinterings of vacuum furnace, close valve 14, start in the refrigerant of circulating pump 13 in with cooling tube 9 gets rid of suction refrigerator 12, do not influence the temperature rise of vacuum furnace 2, when needing the cooling after 2 sinterings of vacuum furnace are accomplished, open valve 14, open refrigerator 12 and circulating pump 13 simultaneously, refrigerator 12 through open, for the refrigerant refrigeration, provide power for the circulation of refrigerant through opening of circulating pump 13, thereby reach the effect of cooling rapidly, the sintering efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An improved vacuum sintering furnace comprises a supporting base (1) and is characterized in that a vacuum furnace (2) is fixedly mounted at the top of the supporting base (1), the vacuum furnace (2) comprises a furnace body and a furnace cover (3), a mounting seat (4) is fixedly mounted on the furnace body, a lever handle (5) is hinged on the mounting seat (4), the furnace cover (3) is fixedly connected to one side of the lever handle (5), a jacket (6) is fixedly mounted on the outer portion of the furnace body, a heat preservation shell (7) is fixedly mounted on the outer portion of the jacket (6), a cooling pipe (9) is fixedly mounted on the inner portion of the jacket (6), the cooling pipe (9) comprises an input end and an output end, a refrigerator (12) is fixedly mounted at the top of the supporting base (1), and the refrigerator (12) comprises an input pipe (10) and an output pipe (11), the input pipe (10) and the input end are fixedly communicated, the output pipe (11) and the output end are fixedly communicated, a circulating pump (13) is fixedly installed on the input pipe (10), and a valve (14) is fixedly installed on the input pipe (10).

2. An improved vacuum sintering furnace according to claim 1, characterized in that a temperature sensor (16) is fixedly mounted on the support base (1), the temperature sensor (16) comprises a detection head and a signal head, the detection head is located inside the support base (1), and the signal head is located outside the support base (1).

3. The improved vacuum sintering furnace as claimed in claim 1, characterized in that a controller switch (15) is fixedly installed on the top of the refrigerator (12), the controller switch (15) is electrically connected with the circulating pump (13), and the controller switch (15) is in signal connection with a signal head.

4. The improved vacuum sintering furnace as claimed in claim 1, characterized in that the cooling pipe (9) is of a spiral coil structure, the material of the cooling pipe (9) is copper pipe, and the inside of the cooling pipe (9) is filled with refrigerant.

5. An improved vacuum sintering furnace as claimed in claim 1, characterized in that one side of the heat-preserving shell (7) is fixedly provided with a vacuum-pumping valve (8), and the inner wall of the heat-preserving shell (7) is plated with mercury plating.

6. An improved vacuum sintering furnace as claimed in claim 1, characterized in that the furnace cover (3) is provided with a sealing ring on the side close to the furnace body, and the sealing ring is made of rubber.