CN218673089U

CN218673089U - Quick circulation air cooling vacuum furnace

Info

Publication number: CN218673089U
Application number: CN202223041963.5U
Authority: CN
Inventors: 王韦利; 陈正勇; 王振河
Original assignee: Jiangsu Huahong Vacuum Technology Co ltd
Current assignee: Jiangsu Huahong Vacuum Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-21
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a vacuum furnace technical field, the utility model discloses a quick circulation air-cooled vacuum furnace, include: the base, the vacuum furnace body is installed at the top of base, coolant tank is installed to one side at base top, and coolant tank's inside is provided with the stirring subassembly, one side fixedly connected with support frame at base top. The utility model discloses install the stirring subassembly, the setting of parts such as refrigerator and outlet duct, can be quick cool down to the inside cooling water of coolant tank through the setting of refrigerator, S type bend setting through the outlet duct middle part is in the inside cooling water of coolant tank, when the inside overheated gas of vacuum furnace passes through the S type bend at outlet duct middle part, the cooling stroke has been increased, stir the messenger by the stirring subassembly to the inside water of coolant tank simultaneously and be close to the overheated cooling water behind the outlet duct outside heat exchange and keep away from the relative colder cooling water in the outlet duct outside can quick mixing.

Description

Quick circulation air cooling vacuum furnace

Technical Field

The utility model relates to a vacuum furnace technical field specifically is a quick circulation gas cooling vacuum furnace.

Background

The vacuum furnace is characterized in that a vacuum system (formed by elaborately assembling elements such as a vacuum pump, a vacuum measuring device, a vacuum valve and the like) is utilized to discharge partial substances in a furnace chamber in a specific space of the furnace chamber, so that the pressure in the furnace chamber is less than a standard atmospheric pressure, and the space in the furnace chamber realizes a vacuum state, namely the vacuum furnace.

However, the high vacuum degree and the heat preservation effect bring disadvantages to the vacuum furnace at the same time, the common vacuum furnace has a plurality of layers of reflecting screens and has good heat insulation and preservation effects, thus being beneficial to saving heating energy, but the good heat preservation effect causes difficulty in the temperature reduction process, under the condition that the air in the furnace chamber is thin, the temperature of the furnace body is reduced from 500 ℃ to below 100 ℃ for 5 hours, the interval time before the vacuum furnace works again is greatly increased under the condition that the temperature of a workpiece is slowly reduced after the workpiece is subjected to thermal processing or thermal treatment, the higher cooling requirement is difficult to meet only by a circulating air cooling system carried by the conventional vacuum furnace, and the use efficiency of the vacuum furnace is seriously reduced. Therefore, the utility model relates to a fast cycle gas cooling vacuum furnace in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick cycle gas cooling vacuum furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rapid cycle air cooled vacuum furnace comprising: the vacuum furnace comprises a base, wherein a vacuum furnace body is installed at the top of the base, a cooling water tank is installed on one side of the top of the base, a stirring assembly is arranged in the cooling water tank, a supporting frame is fixedly connected to one side of the top of the base, a refrigerator is arranged above the cooling water tank, and the refrigerator is installed at the bottom of the upper end of an air outlet pipe;

the vacuum furnace comprises a vacuum furnace body, a base, an air pump, an air outlet pipe, a cooling water tank, a vacuum pump, a vacuum furnace body, a vacuum pump, a cooling water tank, a vacuum furnace body, a vacuum furnace, a vacuum pump, a vacuum furnace and a cooling water tank, wherein the air pump is arranged in the middle of the top of the base, the air inlet pipe is fixedly connected with the air inlet end of the air pump, one end of the air outlet pipe is arranged in the cooling water tank, the end of one end of the air outlet pipe is fixedly connected to one side of the vacuum furnace body, the air outlet end of the air pump is fixedly connected with the air inlet pipe, one end of the air inlet pipe is fixedly connected to the bottom of the vacuum furnace body, the vacuum pump is arranged on the other side of the top of the base, and one end of the vacuum pump is fixedly connected to the bottom of the vacuum furnace body;

the surface of the air outlet pipe close to one end of the air pump is provided with a through hole, an external thread sleeve is fixedly connected above the through hole, and a filtering component is arranged in the air outlet pipe through the external thread sleeve.

Preferably, the stirring assembly comprises: servo motor, servo motor installs the top at the base, servo motor's output end fixedly connected with dwang, and the one end of dwang runs through the inside that sets up at coolant tank, the three stirring leaf of circumference equidistance fixedly connected with is followed on the surface of dwang.

Preferably, the surface of dwang is provided with sealed bearing, sealed bearing's inner circle and the fixed surface connection of dwang, sealed bearing's outer lane and cooling water tank's inside fixed connection.

Preferably, the middle part of the air outlet pipe is set to be an S-shaped bend, and the S-shaped bend in the middle part of the air outlet pipe is arranged in cooling water in the cooling water tank.

Preferably, the filter assembly comprises: recess, filter screen and sealing ring, the bottom at the gas outlet inside is seted up to the recess, the filter screen passes through-hole movable mounting in the inside of gas outlet, the bottom fixedly connected with rubber pad of filter screen, and the one end setting of rubber pad is in the inside of recess, the base, the top of filter screen is rotated and is installed the spliced pole, and the top fixedly connected with nut of spliced pole, the inner circle of nut and the surperficial threaded connection of external screw thread cover, the sealing ring is installed between the surface of through-hole and filter screen.

Preferably, the surface of the connecting column is provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the connecting column, and the outer ring of the bearing is fixedly connected with the inside of the filter screen.

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

1. the utility model discloses a setting of parts such as stirring subassembly, refrigerator and outlet duct, can be quick cool down to the inside cooling water of coolant tank through the setting of refrigerator, S type bend through the outlet duct middle part sets up in the inside cooling water of coolant tank, when the overheated gas of vacuum furnace inside passes through the S type bend at outlet duct middle part, increased the cooling stroke, stir the water that makes to be close to the inside water of outlet duct outside behind the heat exchange overheated cooling water and keep away from the quick mixing of the relatively colder cooling water in the outlet duct outside by stirring subassembly simultaneously, thereby further improve the heat exchange efficiency of the gas of outlet duct inside;

2. the utility model discloses a setting of parts such as outlet duct, external screw thread cover and filtering component through rotating the nut, makes nut and external screw thread cover relieve threaded connection, can take the filter screen out the inside of outlet duct this moment and change, realizes the gas filtration to the outlet duct inside to avoid in the gas miscellaneous granule to pass through the intake pipe and get into the vacuum furnace casing again, produce the fish tail to the work piece of inside.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a vacuum furnace body; 3. a cooling water tank; 4. a stirring assembly; 401. a servo motor; 402. rotating the rod; 403. stirring blades; 5. a refrigerator; 6. a support frame; 7. an air outlet pipe; 8. an air pump; 9. an air inlet pipe; 10. a through hole; 11. an external thread sleeve; 12. a filter assembly; 1201. a groove; 1202. a nut; 1203. connecting columns; 1204. a filter screen; 1205. a rubber pad; 1206. a seal ring; 13. a vacuum pump.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a rapid cycle air cooled vacuum furnace comprising: the vacuum furnace comprises a base 1, a vacuum furnace body 2 is installed on the top of the base 1, a cooling water tank 3 is installed on one side of the top of the base 1, a stirring component 4 is arranged in the cooling water tank 3, cooling water in the cooling water tank 3 can be rapidly mixed uniformly through the stirring component 4, the gas heat exchange speed of the cooling water in the cooling water tank 3 to the inside of an air outlet pipe 7 is improved, a support frame 6 is fixedly connected to one side of the top of the base 1, a refrigerator 5 is arranged above the cooling water tank 3, and the refrigerator 5 is installed at the bottom of the upper end of the air outlet pipe 7; cooling water in the cooling water tank 3 is rapidly cooled through the refrigerator 5;

an air pump 8 is installed in the middle of the top of the base 1, the air inside the vacuum furnace body 2 is circulated through the air pump 8, heat exchange of the air is facilitated, an air inlet pipe 7 is fixedly connected to an air inlet end of the air pump 8, one end of the air outlet pipe 7 is arranged inside the cooling water tank 3, the end of one end of the air outlet pipe 7 is fixedly connected to one side of the vacuum furnace body 2, an air inlet pipe 9 is fixedly connected to an air outlet end of the air pump 8, one end of the air inlet pipe 9 is fixedly connected to the bottom of the vacuum furnace body 2, a vacuum pump 13 is installed on the other side of the top of the base 1, and one end of the vacuum pump 13 is fixedly connected to the bottom of the vacuum furnace body 2;

through holes 10 are formed in the surface, close to one end of the air pump 8, of the air outlet pipe 7, external thread sleeves 11 are fixedly connected to the upper portions of the through holes 10, and filtering components 12 are arranged inside the air outlet pipe 7 through the external thread sleeves 11. Through the setting of filtering component 12, filter the high temperature gas of taking out to avoid the granule that mixes in the gas to pass through the intake pipe and get into the vacuum furnace casing again, produce the fish tail to inside work piece.

Referring to fig. 1-2, in the present embodiment: the stirring assembly 4 includes: servo motor 401, servo motor 401 install at the top of base 1, servo motor 401's output fixedly connected with dwang 402, and the one end of dwang 402 runs through the inside that sets up at cooling water tank 3, and the surface of dwang 402 is along three stirring leaf 403 of circumference equidistance fixedly connected with. When carrying out the cooling of air cooling circulation to the inside of vacuum furnace, gaseous 7 through outlet duct 7 by air pump 8 with the inside steam of vacuum furnace body 2 take out, S type bend through the middle part of outlet duct 7, the stroke of gas flow has been increased, simultaneously through the cooling water cooling of support frame 6 to 3 inside cooling water tank, the stirring leaf 403 on dwang 402 surface is driven by servo motor 401' S output again and rotates, make the cooling water of 3 inside cooling water tank stir, make and be close to overheated cooling water behind the 7 outside heat exchanges of outlet duct and keep away from the quick mixing of the relatively colder cooling water in the 7 outside of outlet duct, thereby further improve the heat exchange efficiency of the inside gas of outlet duct 7.

Referring to fig. 2, in the present embodiment: the surface of dwang 402 is provided with sealed bearing, and sealed bearing's inner circle and the fixed surface connection of dwang 402, sealed bearing's outer lane and cooling water tank 3's inside fixed connection. Through the setting of sealed bearing, improve dwang 402 pivoted stationarity, improve the leakproofness of cooling water tank 3 bottom simultaneously.

Referring to fig. 1, in the present embodiment: the middle part of the air outlet pipe 7 is set to be an S-shaped bend, and the S-shaped bend in the middle part of the air outlet pipe 7 is arranged in the cooling water tank 3. The S-shaped bend in the middle of the air outlet pipe 7 is located right above the stirring blade 403, and when the gas in the air outlet pipe 7 passes through the S-shaped bend, the cooling stroke of the gas flow is increased, so that the heat exchange efficiency of the gas in the air outlet pipe 7 is improved.

Referring to fig. 3, in the present embodiment: the filter assembly 12 includes: recess 1201, filter screen 1204 and sealing ring 1206, recess 1201 is seted up in the inside bottom of outlet duct 7, filter screen 1204 passes through-hole 10 movable mounting in the inside of outlet duct 7, filter screen 1204's bottom fixedly connected with rubber pad 1205, and the one end setting of rubber pad 1205 is in the inside of recess 1201, when nut 1202 and external thread bush 11 install in place, the inseparable laminating of rubber pad 1205 is in the inside of recess 1201, base 1, spliced pole 1203 is installed in the rotation of filter screen 1204's top, and the top fixedly connected with nut 1202 of spliced pole 1203, the inner circle of nut 1202 and the surface threaded connection of external thread bush 11, sealing ring 1206 installs between through-hole 10 and filter screen 1204's surface. The sealing effect between the through hole 10 and the filter screen 1204 is improved by the arrangement of the sealing ring 1206, when the filter screen 1204 is replaced, the screw cap 1202 is rotated to release the threaded connection between the screw cap 1202 and the external thread sleeve 11, and the filter screen 1204 can be replaced by taking the inner part of the air outlet pipe 7 out.

Referring to fig. 3, in the present embodiment: the surface of the connecting column 1203 is provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the connecting column 1203, and the outer ring of the bearing is fixedly connected with the inside of the filter screen 1204. Through the setting of bearing, when rotating nut 1202 and carrying out threaded connection with external thread cover 11, play the rotatory degree of freedom of restriction filter screen 1204, make the spliced pole 1203 bottom promote filter screen 1204 to the inside vertical migration of outlet duct 7, realize the installation to filter screen 1204.

The working principle is as follows: switch on, when cooling down to the inside of vacuum furnace, gaseous by air pump 8 through outlet duct 7 with the inside steam of vacuum furnace body 2 take out, cool down the inside cooling water of cooling water tank 3 through support frame 6, the stirring leaf 403 on surface of dwang 402 is driven by servo motor 401' S output again, make the inside cooling water of cooling water tank 3 stir, make overheated water after being close to the heat exchange of outlet duct 7 outside and keep away from the quick mixing of the relatively colder hydroenergy in the outlet duct 7 outside, when gaseous through the S type bend at the middle part of outlet duct 7, can effectually carry out the heat exchange cooling, when needing to change the filter screen 1204 of outlet duct 7 inside, through rotating nut 1202, make nut 1202 and external thread cover 11 remove threaded connection, alright at this moment in order to take the inside of outlet duct 7 out with filter screen 1204 to change, avoid the mixed granule in the gas to pass through in the vacuum furnace casing again, produce the fish tail to the work piece of inside. Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A rapid cycle air cooled vacuum furnace comprising: base (1), its characterized in that: the vacuum furnace body (2) is installed at the top of the base (1), the cooling water tank (3) is installed on one side of the top of the base (1), the stirring assembly (4) is arranged inside the cooling water tank (3), the supporting frame (6) is fixedly connected to one side of the top of the base (1), the refrigerator (5) is arranged above the cooling water tank (3), and the refrigerator (5) is installed at the bottom of the upper end of the air outlet pipe (7);

an air pump (8) is mounted in the middle of the top of the base (1), an air outlet pipe (7) is fixedly connected to the air inlet end of the air pump (8), one end of the air outlet pipe (7) is arranged inside the cooling water tank (3), the end of one end of the air outlet pipe (7) is fixedly connected to one side of the vacuum furnace body (2), an air inlet pipe (9) is fixedly connected to the air outlet end of the air pump (8), one end of the air inlet pipe (9) is fixedly connected to the bottom of the vacuum furnace body (2), a vacuum pump (13) is mounted on the other side of the top of the base (1), and one end of the vacuum pump (13) is fixedly connected to the bottom of the vacuum furnace body (2);

through-hole (10) have been seted up on the surface that outlet duct (7) are close to air pump (8) one end, and the top fixedly connected with external screw thread cover (11) of through-hole (10), the inside of outlet duct (7) is provided with filtering component (12) through external screw thread cover (11).

2. The fast cycle air-cooled vacuum furnace of claim 1, wherein: the stirring assembly (4) comprises: servo motor (401), install at the top of base (1) servo motor (401), the output fixedly connected with dwang (402) of servo motor (401), and the one end of dwang (402) runs through the inside that sets up in coolant tank (3), three stirring leaf (403) of circumference equidistance fixedly connected with are followed on the surface of dwang (402).

3. The rapid cycle air-cooled vacuum furnace of claim 2, wherein: the surface of dwang (402) is provided with sealed bearing, sealed bearing's inner circle and the fixed surface connection of dwang (402), sealed bearing's outer lane and the inside fixed connection of cooling water tank (3).

4. The rapid cycle air-cooled vacuum furnace of claim 1, wherein: the middle part of the air outlet pipe (7) is arranged to be an S-shaped bend, and the S-shaped bend in the middle part of the air outlet pipe (7) is arranged in cooling water inside the cooling water tank (3).

5. The rapid cycle air-cooled vacuum furnace of claim 1, wherein: the filter assembly (12) comprises: recess (1201), filter screen (1204) and sealing ring (1206), the bottom at outlet duct (7) inside is seted up in recess (1201), through-hole (10) movable mounting in the inside of outlet duct (7) filter screen (1204), the bottom fixedly connected with rubber pad (1205) of filter screen (1204), and the one end setting of rubber pad (1205) is in the inside of recess (1201), base (1), the top of filter screen (1204) is rotated and is installed spliced pole (1203), and the top fixedly connected with nut (1202) of spliced pole (1203), the inner circle of nut (1202) and the surface threaded connection of external thread cover (11), install between the surface of through-hole (10) and filter screen (1204) sealing ring (1206).

6. The rapid cycle air-cooled vacuum furnace of claim 5, wherein: the surface of the connecting column (1203) is provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the connecting column (1203), and the outer ring of the bearing is fixedly connected with the inside of the filter screen (1204).