CN214529213U

CN214529213U - Horizontal high-pressure continuous vacuum nitriding furnace

Info

Publication number: CN214529213U
Application number: CN202120468617.1U
Authority: CN
Inventors: 刘磊; 林在滨; 黄小婷; 樊平; 王志新; 彭竹琴
Original assignee: Zhongyuan University of Technology
Current assignee: Zhongyuan University of Technology
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-10-29
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a horizontal high-pressure continuous vacuum nitriding furnace, which comprises a shell, supporting legs, an observation window, a material conveying device and a gas processing device, wherein the left end and the right end of the shell are provided with fixing rings, the bottom ends of the fixing rings are provided with the supporting legs, the bottom end and the left end of the shell are provided with the gas processing device, the device can reduce the waste of resources after being used no matter before the device is used by arranging a furnace door, a nitriding furnace device and the shell, the right end of an auxiliary pushing device is provided with a second push rod, the auxiliary pushing device in the nitriding furnace device can be pulled out by pulling the second push rod, materials are put in, the second push rod is pushed to enter the nitriding furnace device for nitriding, the device is reduced to be in contact with the outside in the process, the gas leakage is greatly reduced, an inflating device is only connected with the nitriding furnace device, the required space is reduced, and the gas is fully utilized, effectively reduces the waste of resources and is more suitable for wide use.

Description

Horizontal high-pressure continuous vacuum nitriding furnace

Technical Field

The utility model belongs to the technical field of the nitriding furnace is relevant, concretely relates to horizontal high pressure continuous vacuum nitriding treatment furnace.

Background

The nitriding furnace has the characteristics of low treatment temperature, short time and small workpiece deformation, and has the properties of high fatigue limit and good wear resistance, in order to shorten the nitriding period and enable the nitriding process not to be limited by steel types, two new nitriding processes of tufftriding and ion nitriding are developed on the basis of the original nitriding process in recent years, wherein tufftriding is essentially low-temperature nitrocarburizing mainly based on nitriding, nitrogen atoms of steel permeate into the nitriding process and a small amount of carbon atoms permeate into the nitriding process, and the treatment result is that compared with the common gas nitriding process, the hardness of a permeated layer is lower than that of nitriding, the brittleness is lower, and the nitriding process is called tufftriding. At present, the most widely applied gas soft nitriding in domestic production is gas soft nitriding. The gas soft nitriding is low temperature nitrogen and carbon co-permeating in atmosphere containing active nitrogen and carbon atom, and the commonly used co-permeating medium includes urea, formamide, ammonia gas and triethanolamine, which produce thermal decomposition reaction at the soft nitriding temperature to produce active nitrogen and carbon atom. The active nitrogen and carbon atoms are absorbed by the surface of the workpiece and permeate into the surface layer of the workpiece through diffusion, so that a nitrogen-carbon co-permeation layer mainly containing nitrogen is obtained.

The prior art has the following problems: the nitriding furnace in the prior art is large in size and generally is in a three-dimensional type, materials are inconvenient to put in and take out, and after the nitriding furnace is used for treating materials, gas is consumed too fast in the process of taking out the materials, and resource waste is excessive, so that a horizontal high-pressure continuous vacuum nitriding furnace is particularly necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal high pressure continuous vacuum nitriding treatment stove to the nitriding treatment stove of the prior art who provides in solving above-mentioned background art is bulky, and generally is three-dimensional, and the putting into of material is taken out inconveniently, and after the processing is accomplished, the material takes out the in-process, and gas consumption is too fast, the too much problem of wasting of resources.

In order to achieve the above object, the utility model provides a following technical scheme: a horizontal high-pressure continuous vacuum nitriding furnace comprises a shell, supporting legs, an observation window, a material conveying device and a gas processing device, wherein fixing rings are arranged at the left end and the right end of the shell, the supporting legs are arranged at the bottom ends of the fixing rings, the gas processing device is arranged at the bottom end and the left end of the shell, the gas processing device comprises an inflating device, a vacuum air extracting device and an air compressor, the inflating device is arranged at the left end of the shell, the vacuum air extracting device and the air compressor are arranged at the bottom end, the right observation window is arranged at the front end of the shell, a nitriding furnace device is arranged in the shell, an inflating port of the inflating device is fixedly connected with the left end of the nitriding furnace device, the material conveying device is arranged in the nitriding furnace device and comprises an auxiliary pushing device and a second pushing rod, a furnace door is arranged at the right end of the second pushing rod, and the upper end of the furnace door is connected with the shell through a rotating shaft, the right end of the furnace door is provided with a first push rod.

Preferably, the shell both ends pass through welded fastening with solid fixed ring and are connected, gu fixed ring bottom passes through welded fastening with the supporting legs upper end and is connected, the observation window passes through to cup joint fixed connection with the shell front end, the inside toughened transparent glass that is equipped with of observation window, accessible toughened transparent glass observe the material nitrogenize degree, the shell right-hand member passes through welded fastening with the rotation axis and is connected, rotation axis one end passes through welded fastening with the furnace gate and is connected, the furnace gate right-hand member passes through welded fastening with first push rod and is connected.

Preferably, the air delivery port at the right end of the air exhaust device is fixedly connected with the left end of the nitriding furnace device in a welding mode, the vacuum air exhaust device is fixedly connected with the bottom end of the shell in a welding mode, the air exhaust port at the upper end of the vacuum air exhaust device is installed between the shell and the nitriding furnace device, the upper end of the air compressor is fixedly connected with the bottom end of the shell in a welding mode, and the air delivery port of the air compression device is installed between the shell and the nitriding furnace device.

Preferably, the bottom of the auxiliary pushing device is connected with the inner wall of the nitriding furnace device in a sliding mode, and the right end of the auxiliary pushing device is fixedly connected with the second push rod in a welding mode.

Preferably, the apparatus is heated by passing between the nitriding furnace apparatus and the enclosure, which is tightly enclosed within the enclosure.

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

1. the utility model discloses a furnace gate has been set up, nitriding furnace device and shell, make the device no matter before using, can both reduce the waste of resource after using, be equipped with the second push rod at supplementary pusher right-hand member, the pulling second push rod can be pulled out the inside supplementary pusher of nitriding furnace device, put into the material, promote the second push rod and get into the nitriding furnace device and carry out the nitrogenize, this process reduces the device and contacts with the external world, gas leakage reduces greatly, aerating device only is connected with the nitriding furnace device, required space reduces, gas has obtained abundant utilization, compared with the prior art the utility model discloses effectively reduced the waste of resource, be fit for using widely more.

2. The utility model discloses a set up supplementary pusher, the second push rod, supporting legs and solid fixed ring, the device is different with structure in the past, the horizontal structure of application for the device is convenient and fast more when using, handling furnace is vertical structure in the past, this structure volume is great, highly higher, need carry the material with the help of external force during the use and handle the stove inside, work efficiency is slow, and extremely inconvenient, the device adopts horizontal structure, adjust the position of being convenient for to carry with the delivery port, made things convenient for staff's transport material greatly, further improved work efficiency, compared with the prior art the utility model discloses simple structure, it is convenient to use, and the practicality is strong.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a right side view of the present invention;

FIG. 4 is a cross-sectional view at A-A of FIG. 3;

in the figure: 1. a housing; 2. supporting legs; 3. an observation window; 4. a fixing ring; 5. a furnace door; 6. A first push rod; 7. an inflator; 8. a vacuum pumping device; 9. an air compressor; 10. a rotating shaft; 11. a nitriding furnace device; 12. an auxiliary pushing device; 13. a second push rod.

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. 1-4, the present invention provides a technical solution: a horizontal high-pressure continuous vacuum nitriding furnace comprises a shell 1, supporting legs 2, an observation window 3, a material conveying device and a gas processing device, wherein fixing rings 4 are arranged at the left end and the right end of the shell 1, the supporting legs 2 are arranged at the bottom ends of the fixing rings 4, the gas processing device is arranged at the bottom end and the left end of the shell 1, the gas processing device comprises an inflating device 7, a vacuum air extracting device 8 and an air compressor 9, the inflating device 7 is arranged at the left end of the shell 1, the vacuum air extracting device 8 and the air compressor 9 are arranged at the outer bottom end, the right observation window 3 is arranged at the front end of the shell 1, a nitriding furnace device 11 is arranged in the shell 1, an inflating port of the inflating device 7 is fixedly connected with the left end of the nitriding furnace 11, the material conveying device is arranged in the nitriding furnace 11, the material conveying device comprises an auxiliary pushing device 12 and a second push rod 13, a furnace door 5 is arranged at the right end of the second push rod 13, the upper end of the furnace door 5 is connected with the shell 1 through a rotating shaft 10, the right end of the furnace door 5 is provided with a first push rod 6.

The utility model provides a horizontal high pressure continuous vacuum nitriding treatment stove, pass through welded fastening with solid fixed ring 4 including 1 both ends of shell, gu fixed ring 4 bottom is connected through welded fastening with 2 upper ends of supporting legs, observation window 3 is through cup jointing fixed connection with 1 front end of shell, 3 inside toughened transparent glass that are equipped with of observation window, accessible toughened transparent glass observes the material nitrogenize degree, 1 right-hand member of shell passes through welded fastening with rotation axis 10 and is connected, rotation axis 10 one end passes through welded fastening with furnace gate 5 and is connected, furnace gate 5 right-hand member passes through welded fastening with first push rod 6 and is connected.

In order that the device can save the resource, nitrogenize efficiency is higher, air exhaust device right-hand member gas transmission mouth passes through welded fastening with the 11 left ends of nitriding furnace device to be connected, vacuum air exhaust device 8 passes through welded fastening with 1 bottom of shell to be connected, 8 upper end extraction openings of vacuum air exhaust device are installed between shell 1 and nitriding furnace device 11, air compressor 9 upper end passes through welded fastening with 1 bottom of shell to be connected, install air compressor unit gas transmission mouth between shell 1 and nitriding furnace device 11.

In order to enable the device to be convenient and fast to convey, the bottom of the auxiliary pushing device 12 is connected with the inner wall of the nitriding furnace device 11 in a sliding mode, the right end of the auxiliary pushing device 12 is fixedly connected with the second push rod 13 in a welding mode, the device heats the nitriding furnace device 11 and the shell 1, and the interior of the shell 1 is tightly sealed.

The utility model discloses a theory of operation and use flow: after the utility model is installed, no matter the device is used before, the waste of resources can be reduced by arranging the furnace door 5, the nitriding furnace device 11 and the shell 1, the material is put in no matter the device is used, the second push rod 13 is arranged at the right end of the auxiliary push rod 12, the auxiliary push rod 13 can be pulled out from the nitriding furnace device 11 by pulling the second push rod 13, the second push rod 13 is pushed to enter the nitriding furnace device 11 for nitriding, the contact between the device and the outside is reduced in the process, the gas leakage is greatly reduced, the inflating device 7 is only connected with the nitriding furnace device 11, the required space is reduced, the gas is fully utilized, the waste of resources is effectively reduced, the device is more suitable for wide use, the device is different from the prior structure, a horizontal structure is utilized, and the device is more convenient and rapid to use, the processing furnace is of a vertical structure in the past, the structure is large in size and high in height, materials need to be conveyed to the inside of the processing furnace by means of external force during use, the work efficiency is slow, and the processing furnace is extremely inconvenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a horizontal high pressure continuous vacuum nitriding furnace, includes shell (1), supporting legs (2), observation window (3), material conveyor and gas processing device, its characterized in that: the device is characterized in that fixing rings (4) are arranged at the left end and the right end of the shell (1), supporting legs (2) are arranged at the bottom ends of the fixing rings (4), a gas processing device is arranged at the bottom end and the left end of the shell (1) and comprises an inflating device (7), a vacuum air extracting device (8) and an air compressor (9), the inflating device (7) is arranged at the left end of the shell (1), the vacuum air extracting device (8) and the air compressor (9) are arranged at the outer bottom end, a right observation window (3) is arranged at the front end of the shell (1), a nitriding furnace device (11) is arranged inside the shell (1), an inflation inlet of the inflating device (7) is fixedly connected with the left end of the nitriding furnace device (11), a material conveying device is arranged inside the nitriding furnace device (11), and the material conveying device comprises an auxiliary pushing device (12) and a second push rod (13), the right end of the second push rod (13) is provided with a furnace door (5), the upper end of the furnace door (5) is connected with the shell (1) through a rotating shaft (10), and the right end of the furnace door (5) is provided with a first push rod (6).

2. The horizontal high-pressure continuous vacuum nitriding furnace according to claim 1, characterized in that: the utility model discloses a material nitriding degree, including shell (1), observation window (3), fixed ring (2), fixed ring (3), door (5), furnace door (5), fixed ring (4) bottom and supporting legs (2) upper end are connected through welding fixed connection, observation window (3) and shell (1) front end are through cup jointing fixed connection, the inside toughened transparent glass that is equipped with of observation window (3), accessible toughened transparent glass observe the material nitriding degree, shell (1) right-hand member passes through welding fixed connection with rotation axis (10), rotation axis (10) one end passes through welding fixed connection with furnace door (5), furnace door (5) right-hand member passes through welding fixed connection with first push rod (6).

3. The horizontal high-pressure continuous vacuum nitriding furnace according to claim 1, characterized in that: the air pumping device is characterized in that an air conveying port at the right end of the air pumping device is fixedly connected with the left end of the nitriding furnace device (11) in a welding mode, the vacuum air pumping device (8) is fixedly connected with the bottom end of the shell (1) in a welding mode, an air pumping port at the upper end of the vacuum air pumping device (8) is installed between the shell (1) and the nitriding furnace device (11), the upper end of the air compressor (9) is fixedly connected with the bottom end of the shell (1) in a welding mode, and an air conveying port of the air compressor is installed between the shell (1) and the nitriding furnace device (11).

4. The horizontal high-pressure continuous vacuum nitriding furnace according to claim 1, characterized in that: the bottom of the auxiliary pushing device (12) is connected with the inner wall of the nitriding furnace device (11) in a sliding mode, and the right end of the auxiliary pushing device (12) is fixedly connected with the second push rod (13) in a welding mode.

5. The horizontal high-pressure continuous vacuum nitriding furnace according to claim 1, characterized in that: the device heats between a nitriding furnace device (11) and a shell (1), and the interior of the shell (1) is tightly sealed.