CN212741436U

CN212741436U - Vertical high vacuum heat treatment furnace

Info

Publication number: CN212741436U
Application number: CN202021148983.0U
Authority: CN
Inventors: 李金龙
Original assignee: Suzhou Dongziyun Industrial Technology Technology Co ltd
Current assignee: Suzhou Dongziyun Industrial Technology Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-19
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a vertical high vacuum heat treatment furnace, which comprises a platform, the upper end of platform is provided with the supporting platform railing, the lower extreme of platform is provided with the push-pull valve cylinder, the one end of push-pull valve cylinder is provided with electrical apparatus switch board, the other end of push-pull valve cylinder is provided with sealed push-pull valve, the upper end of sealed push-pull valve is provided with the heating chamber, the inner wall of heating chamber is provided with the heat preservation heat-proof screen, the top of heating chamber is provided with elevator motor and speed reducer, the one end of shaft coupling is provided with sealed box, sealed box is provided with the cable wire swiveling wheel, the lower extreme of push-pull valve cylinder is provided with liftable quenching basin, the lower extreme of liftable quenching basin is provided with vertical lift mechanism, vertical lift mechanism's lower. The vertical high vacuum heat treatment furnace of the utility model adopts full automatic operation, high safety factor and easy operation.

Description

Vertical high vacuum heat treatment furnace

Technical Field

The utility model relates to the field of vacuum heat treatment, in particular to a vertical high vacuum heat treatment furnace.

Background

The existing technical equipment, the titanium alloy quenching furnace is basically a vertical three-chamber water quenching furnace, the main structure of the titanium alloy quenching furnace is divided into an upper chamber and a lower chamber, the uppermost chamber is a heating chamber, the middle chamber is a charging chamber, the lower chamber is a water quenching chamber, the equipment is higher due to the three-chamber structure, and the heating chamber is required to be provided with a top end, so that the pipeline of a vacuum pumping system is also longer, the installation is inconvenient, all parts of the sealing of the heating chamber need to be cooled by water, the water supply pressure needs to be higher due to the high height of the heating chamber, and circulating water coming out in the production process is hot water, so that the phenomenon of water pipe burst or insufficient water supply at the high position is often caused in the water supply process, and the vacuum sealing interface can not be fully cooled. Moreover, because the charging chamber is designed in the middle, when charging, on one hand, the charging chamber needs to be horizontally operated and charged into the middle charging chamber, and on the other hand, the charging chamber needs to be conveyed to the heating chamber from the middle charging chamber, so that the working procedure is complicated, and the problems of the mechanical structure are easy to occur when the workpiece is operated; because the existing equipment is of a three-chamber structure, the intermediate charging chamber is long, and the workpiece transfer must pass through the intermediate charging chamber, the time for transferring the workpiece from the heating chamber to the cooling chamber for quenching is prolonged. Is not beneficial to improving the hardenability of the quenching workpiece.

The prior art devices have the following problems: the equipment is high, and accidents are easily caused by high water supply pressure when the equipment is inconvenient to install and cool; the process is complex, and mechanical failure occurs during work; the working time is longer, the working efficiency is low, and the obtained product has poor quality.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a vertical high vacuum heat treatment furnace, which can effectively solve the problems explained in the background technology.

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

a high vacuum titanium alloy heat treatment furnace comprises a platform, wherein a supporting platform handrail is arranged at the upper end of the platform, a gate valve cylinder is arranged at the lower end of the platform, an electric appliance control cabinet is arranged at one end of the gate valve cylinder, a sealed gate valve is arranged at the other end of the gate valve cylinder, a heating chamber is arranged at the upper end of the sealed gate valve, a heat-insulating heat shield is arranged on the inner wall of the heating chamber, a heating element is arranged inside the heat-insulating heat shield, a lifting motor and a speed reducer are arranged at the top end of the heating chamber, a coupler is arranged at one end of the lifting motor and the speed reducer, a sealing box body is arranged at one end of the coupler, a steel cable rotating wheel is arranged on the sealing box body, a lifting quenching water tank is arranged at the lower, the lower extreme of vertical lift mechanism is provided with the horizontal movement skip, the one end that the liftable quenching basin was kept away from to the horizontal movement skip is provided with the position material frame of feeding, the upper end of sealed box is provided with the sealed box apron of horizontal rotation lift axle, the inner wall of heating chamber is provided with the evacuation interface, evacuation interface one end is provided with the material frame of feeding, the cable wire swiveling wheel connection that extends to the heating chamber is provided with the material frame tongs.

Preferably, the vertical high-vacuum titanium alloy quenching furnace is of a two-chamber structure, the upper part is a heating chamber, the lower part is a liftable quenching tank, the heating chamber comprises a heating furnace shell, a furnace container, a heating element, a vacuum system and a furnace shell cooling system, and the liftable quenching tank comprises a loading station, a quenching water tank, a water tank lifting system and a sealing system.

Preferably, a horizontal running skip car is designed at the bottom of a liftable quenching water tank of the vertical high-vacuum titanium alloy quenching furnace, a vertical lifting mechanism is designed on the horizontal running skip car, the horizontal running mechanism drives a trolley by a motor, a speed reducer, a chain and a chain wheel, and the liftable quenching water tank is lifted vertically by a hydraulic oil cylinder inclined strut type.

Preferably, the sealed gate valve and the heating chamber are connected in a bolt fixing mode, a rubber ring is arranged in the sealed gate valve to realize sealing, movable sealing is adopted between the sealed gate valve and the liftable quenching water tank, when heating is finished and quenching is needed, the liftable quenching water tank is horizontally moved to the central position of the bottom of the heating chamber and then is lifted to the sealing position, and the middle sealing is an O-shaped sealing rubber ring which is designed on the sealed gate valve.

Preferably, the top of the heating chamber is provided with a closed lifting mechanism, and the lifting mechanism mainly comprises a lifter, a speed reducer, a linkage shaft, a horizontal rotating lifting shaft sealing box cover plate, a sealing box body and a steel cable rotating wheel.

Preferably, the horizontal running skip comprises a pulley, a liftable quenching water tank, a vertical lifting mechanism and a charging position material frame.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the vertical high-vacuum titanium alloy heat treatment furnace, the original three-chamber heat treatment furnace is changed into the conventional two-chamber heat treatment furnace, the original feeding mode and the mode of feeding into the quenching furnace are changed, the working procedure time is greatly shortened, workpieces are quickly fed into the quenching furnace from the heat treatment furnace, and the quenching efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a vertical high vacuum heat treatment furnace according to the present invention;

in the figure: 1. a lifting motor and a speed reducer; 2. a coupling; 3. a cover plate of the sealing box of the horizontal rotating lifting shaft; 4. sealing the box body; 5. a wire rope rotating wheel; 6. vacuumizing the interface; 7. a material frame gripper; 8. a heat-insulating heat shield; 9. a heating element; 10. a material loading frame; 11. a heating chamber; 12. supporting a platform rail; 13. a sealed gate valve; 14. a liftable quenching water tank; 15. a material loading position frame; 16. a platform; 17. a gate valve cylinder; 18. an electric appliance control cabinet; 19. horizontally operating the skip car; 20. a vertical lifting mechanism.

Detailed Description

For making the technical means, creation characteristics, achievement purpose and efficiency of the utility model easily understand and understand, it is right below the technical scheme of the utility model to carry out further detailed explanation.

As shown in fig. 1, the vertical high vacuum heat treatment furnace in this embodiment comprises a platform 16, a supporting platform rail 12 is provided at the upper end of the platform 16, a gate valve cylinder 17 is provided at the lower end of the platform 16, an electrical control cabinet 18 is provided at one end of the gate valve cylinder 17, a sealed gate valve 13 is provided at the other end of the gate valve cylinder 17, a heating chamber 11 is provided at the upper end of the sealed gate valve 13, a heat insulation heat shield 8 is provided on the inner wall of the heating chamber 11, a heating element 9 is provided inside the heat insulation heat shield 8, a lifting motor and a speed reducer 1 are provided at the top end of the heating chamber 11, a coupling 2 is provided at one end of the lifting motor and the speed reducer 1, a sealed box 4 is provided at one end of the coupling 2, a steel cable rotating wheel 5 is provided at the sealed box 4, a lifting, the lower extreme of vertical lift mechanism 20 is provided with horizontal operation skip 19, and the one end that horizontal operation skip 19 kept away from liftable quenching basin 14 is provided with the position material frame 15 of feeding, and the upper end of sealed box 4 is provided with horizontal rotation lift axle seal box apron 3, and the inner wall of heating chamber 11 is provided with evacuation interface 6, and evacuation interface 6 one end is provided with the material frame 10 of feeding, and the cable wire swiveling wheel 5 is connected the cable wire that extends to heating chamber 11 and is provided with material frame tongs 7.

In the embodiment, the vertical high-vacuum titanium alloy quenching furnace is of a two-chamber structure, the upper part is a heating chamber 11, the lower part is a liftable quenching tank 14, the heating chamber 11 comprises a heating furnace shell, a furnace liner, a heating element 9, a vacuum system and a furnace shell cooling system, the liftable quenching tank comprises a quenching station, a quenching water tank, a water tank lifting mechanism and a sealing mechanism, and the two chambers are mainly used for reducing the exposure time of workpieces, greatly improving the working efficiency and also improving the quenching efficiency; the bottom of a liftable quenching water tank 14 of the vertical high-vacuum titanium alloy quenching furnace is provided with a horizontal running skip car 19, the horizontal running skip car 19 is provided with a vertical lifting mechanism, the horizontal running mechanism drives a trolley by a motor, a speed reducer, a chain and a chain wheel, and the lifting of the liftable quenching water tank realizes vertical lifting by a hydraulic oil cylinder inclined strut type, so that the main function is to change the traditional feeding mode and quenching mode and effectively improve the working efficiency; the connection of the sealed gate valve 13 and the heating chamber 11 is in a bolt fixing mode, the sealing is realized by a rubber ring in the sealed gate valve 13 and the liftable quenching water tank 14, the movable sealing is adopted between the sealed gate valve 13 and the liftable quenching water tank 14, when the heating is finished and the quenching is needed, the liftable quenching water tank 14 is horizontally moved to the central position of the bottom of the heating chamber 11 and then is lifted to the sealing position, the middle sealing is an O-shaped sealing rubber ring, and the rubber ring is designed on the sealed gate valve 13, so that the sealing performance of the device is enhanced, and air is prevented from entering; the top of the heating chamber 11 is provided with a closed lifting mechanism, the lifting mechanism mainly comprises a lifting motor, a speed reducer 1, a coupler 2, a sealing box cover plate 3 of a horizontal rotating lifting shaft, a sealing box body 4 and a steel cable rotating wheel 5, and a sealing device at the top enhances the sealing effect and has the function of lifting materials into the heating chamber 11; the horizontal moving skip car is provided with two stations, the horizontal moving skip car 19 comprises pulleys, a liftable quenching water tank 14, a vertical lifting mechanism 20 and a material loading position material frame 15, and a certain distance exists between each working part, so that each working part is effectively protected.

It should be noted that, the utility model discloses a vertical high vacuum heat treatment furnace, when using, the user will need the quenching work piece to place in the position material frame 15 of feeding, the material frame level moves to heating chamber 11 bottom central point and puts, heating chamber 11 upper portion material frame tongs 7 descends, the position material frame 15 of feeding rises to the heating position, begin the evacuation heating, in the heating, close sealed push-pull valve 13, and move liftable quenching water tank 14 to the center of heating chamber 11 through the horizontal motion, and through vertical lift mechanism 20 with liftable quenching water tank 14 rise to with the push-pull valve closure, and pass through the pipeline with the push-pull valve and take out to the vacuum. When the heating process is finished and the vacuum degree gate valve and the heating chamber 11 are basically balanced and consistent, the sealed gate valve 13 is opened through the gate valve air cylinder 17, the workpiece can be rapidly lowered to the liftable quenching water tank 14 through the material frame lifting system, the gripper is automatically released, the material frame gripper 7 is retreated to the heating chamber 11, and the gate valve is closed. And (3) quenching the workpiece, refilling air into the gate valve until the atmosphere is balanced, lowering the liftable quenching water tank 14 to a low position, horizontally moving the bottom skip to the outside of the furnace body platform 16, and taking out the workpiece.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The vertical high vacuum heat treatment furnace is characterized in that: comprises a platform (16), a supporting platform railing (12) is arranged at the upper end of the platform (16), a gate valve cylinder (17) is arranged at the lower end of the platform (16), an electric control cabinet (18) is arranged at one end of the gate valve cylinder (17), a sealed gate valve (13) is arranged at the other end of the gate valve cylinder (17), a heating chamber (11) is arranged at the upper end of the sealed gate valve (13), a heat-insulating heat shield (8) is arranged on the inner wall of the heating chamber (11), a heating element (9) is arranged in the heat-insulating heat shield (8), a lifting motor and a speed reducer (1) are arranged at the top end of the heating chamber (11), a coupler (2) is arranged at one end of the lifting motor and the speed reducer (1), a sealing box body (4) is arranged at one end of the coupler (2), a steel cable rotating wheel (5), the lower extreme of push-pull valve cylinder (17) is provided with liftable quenching basin (14), the lower extreme of liftable quenching basin (14) is provided with vertical lift mechanism (20), the lower extreme of vertical lift mechanism (20) is provided with horizontal operation skip (19), the one end that liftable quenching basin (14) were kept away from in horizontal operation skip (19) is provided with material loading material frame (15), the upper end of seal box body (4) is provided with horizontal rotation lift axle seal box cover board (3), the inner wall of heating chamber (11) is provided with evacuation interface (6), evacuation interface (6) one end is provided with material loading frame (10), the cable wire that cable wire swiveling wheel (5) are connected and are provided with material frame tongs (7) to heating chamber (11) extension.

2. The vertical high vacuum heat treatment furnace according to claim 1, characterized in that: the vertical high-vacuum heat treatment furnace is of a two-chamber structure, the upper part is a heating chamber (11), the lower part is a liftable quenching water tank (14), the heating chamber (11) comprises a heating furnace shell, a furnace container, a heating element (9), a vacuum system and a furnace shell cooling system, and the liftable quenching water tank (14) comprises a charging station, a quenching water tank, a water tank lifting system and a sealing system.

3. The vertical high vacuum heat treatment furnace according to claim 1, characterized in that: the bottom of the liftable quenching water tank (14) is provided with a horizontal running skip car (19), the horizontal running skip car (19) is provided with a vertical lifting mechanism (20), the horizontal running mechanism drives the skip car by a motor, a speed reducer, a chain and a chain wheel, and the liftable quenching water tank (14) is lifted vertically by a hydraulic oil cylinder inclined strut.

4. The vertical high vacuum heat treatment furnace according to claim 1, characterized in that: the connection of sealed push-pull valve (13) and heating chamber (11) is bolt fastening mode and inside has the rubber ring to realize sealed, adopt portable sealed between sealed push-pull valve (13) and liftable quenching water tank (14), when the heating finishes need quench with liftable quenching water tank (14) level move to heating chamber (11) bottom central point put then rise to sealed position and middle sealed for O type seal rubber ring and rubber ring design on sealed push-pull valve (13).

5. The vertical high vacuum heat treatment furnace according to claim 1, characterized in that: the top of heating chamber (11) install closed elevating system, elevating system mainly includes elevator motor and speed reducer (1), shaft coupling (2), horizontal rotation lift shaft seal box apron (3), seal box (4) and cable wire swiveling wheel (5).

6. The vertical high vacuum heat treatment furnace according to claim 1, characterized in that: the horizontal running material trolley (19) comprises pulleys, a liftable quenching water tank (14), a vertical lifting mechanism (20) and a material loading position material frame (15).