CN214655196U

CN214655196U - Arc discharge heating ion nitriding furnace

Info

Publication number: CN214655196U
Application number: CN202120600011.9U
Authority: CN
Inventors: 刘小红; 郑秀兰
Original assignee: Dehe Electric Furnace Wuhan Co ltd; Hubei Fengre Technology Co ltd; Wuhan Bayi Zero Ion Nitriding Research Institute
Current assignee: Dehe Electric Furnace Wuhan Co ltd; Hubei Fengre Technology Co ltd; Wuhan Bayi Zero Ion Nitriding Research Institute
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-09
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses an arc discharge heating ion nitriding furnace, the induction cooker comprises a cooker bod, lean on right side position fixedly connected with rose box in the middle of the bell top, the rose box passes through pipeline fixedly connected with aspiration pump, the output of first motor runs through furnace body and fixedly connected with fan, the output of second motor runs through furnace body and fixedly connected with fixing base, the equal fixedly connected with clamp plate in hydraulic stem top, ammonia pipeline one end fixedly connected with heating device. The utility model discloses in, first motor drives the fan and rotates, makes the ammonia in the furnace body flow, and the second motor drives the fixing base simultaneously and rotates for work piece on the fixing base is heated and nitrogenize evenly, has guaranteed the stability after the nitrogenize of work piece, and the exhaust pump work passes through the exhaust tube and can take out the exhaust gas in the furnace body after the nitrogenize into the rose box, filters exhaust gas through the rose box and discharges again, has reduced the pollution of exhaust gas to the air, is worth wideling popularize.

Description

Arc discharge heating ion nitriding furnace

Technical Field

The utility model relates to a nitriding furnace technical field especially relates to arc discharge heating ion nitriding furnace.

Background

The ion nitriding furnace is a device which ionizes nitrogen-containing rarefied gas in a vacuum container in a direct current electric field, positive ions bombard the surface of a metal part to form a nitriding layer so as to achieve surface hardening, and the ion nitriding has obvious nitriding effects on nodular cast iron, alloy steel, stainless steel, powder metallurgy products, titanium alloy, high-speed steel, tool steel and the like.

The internal workpiece of the existing nitriding furnace is heated unevenly during working, the stability of the workpiece is easily influenced, a large amount of waste gas is generated after nitriding, the existing nitriding furnace cannot treat the waste gas and directly discharge the waste gas, and serious pollution is caused to air.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an arc discharge heating ion nitriding furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the arc discharge heating ion nitriding furnace comprises a furnace body, wherein a furnace cover is fixedly connected to the top of the furnace body, a filter box is fixedly connected to the middle of the top of the furnace cover close to the right side, the filter box is fixedly connected with an air pump through a pipeline, the air pump is fixedly connected to the top of the furnace cover, the middle position of the top of the left side of the furnace body penetrates through and is fixedly connected with an ammonia pipeline, a first motor is fixedly connected to the outer wall of the middle position of the left side of the furnace body, the output end of the first motor penetrates through the furnace body and is fixedly connected with a fan, a second motor is fixedly connected to the outer wall of the middle position of the bottom of the furnace body, the output end of the second motor penetrates through the furnace body and is fixedly connected with a fixed seat, connecting plates are fixedly connected to two sides of the fixed seat, a hydraulic cylinder is fixedly connected to the middle position of one side, adjacent to the connecting plate and the fixed seat, and hydraulic rods are arranged at the output ends of the hydraulic cylinders, the top end of the hydraulic rod is fixedly connected with a pressing plate, and the middle position of the bottom of the furnace cover is fixedly connected with an arc discharge device.

As a further description of the above technical solution:

the equal fixedly connected with supporting leg in furnace body bottom four corners position department.

As a further description of the above technical solution:

the middle position of the front end of the furnace body penetrates through and is fixedly connected with a transparent window.

As a further description of the above technical solution:

the middle position of the right side of the furnace body is rotatably connected with a furnace door.

As a further description of the above technical solution:

the middle part of the top of the furnace cover close to the left side is fixedly connected with a power supply and the power supply is electrically connected with the arc discharge device.

As a further description of the above technical solution:

the right side of the air pump is fixedly connected with an air exhaust pipe, and one end of the air exhaust pipe penetrates through and is fixedly connected with the furnace body.

As a further description of the above technical solution:

one end of the ammonia pipeline is fixedly connected with a heating device.

As a further description of the above technical solution:

and activated carbon fibers which are uniformly and densely distributed are arranged in the filter box.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the first motor drives the fan and rotates, makes the ammonia in the furnace body flow, and the second motor drives the fixing base simultaneously and rotates for work piece on the fixing base is heated and nitrogenize evenly, has guaranteed the stability after the nitrogenize of work piece.

2. The utility model discloses in, the exhaust pump work can be with the exhaust gas in the nitriding back furnace body take out the rose box through the exhaust tube in, filter exhaust gas through the rose box and discharge again, reduced the pollution of exhaust gas to the air, the environmental protection is worth wideling popularize.

Drawings

FIG. 1 is a perspective view of an arc discharge heated ion nitriding furnace according to the present invention;

FIG. 2 is a left side view of an arc discharge heated ion nitriding furnace according to the present invention;

FIG. 3 is a schematic diagram of an internal structure of an arc discharge heating ion nitriding furnace according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Illustration of the drawings:

1. a furnace body; 2. a furnace cover; 3. supporting legs; 4. a transparent window; 5. a furnace door; 6. a power source; 7. a filter box; 8. an air pump; 9. an air exhaust pipe; 10. an ammonia gas pipeline; 11. a first motor; 12. a second motor; 13. an arc discharge device; 14. a heating device; 15. a fan; 16. pressing a plate; 17. a fixed seat; 18. a connecting plate; 19. a hydraulic cylinder; 20. a hydraulic 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an arc discharge heating ion nitriding furnace comprises a furnace body 1, wherein the top of the furnace body 1 is fixedly connected with a furnace cover 2, the middle of the top of the furnace cover 2 is fixedly connected with a filter box 7 by a right side position, the filter box 7 is fixedly connected with an air pump 8 through a pipeline, the air pump 8 is fixedly connected at the top of the furnace cover 2, the middle position of the top of the left side of the furnace body 1 is penetrated and fixedly connected with an ammonia pipeline 10, the outer wall of the middle position of the left side of the furnace body 1 is fixedly connected with a first motor 11, the output end of the first motor 11 is penetrated through the furnace body 1 and fixedly connected with a fan 15, the outer wall of the middle position of the bottom of the furnace body 1 is fixedly connected with a second motor 12, the output end of the second motor 12 is penetrated through the furnace body 1 and fixedly connected with a fixed seat 17, the first motor 11 drives the fan 15 to rotate, so that ammonia in the furnace body 1 flows, meanwhile, the second motor 12 drives the fixed seat 17 to rotate, so that workpieces on the fixed seat 17 are uniformly heated and nitrided, guaranteed the stability after the nitrogenize of work piece, fixing base 17 both sides fixedly connected with connecting plate 18, the equal fixedly connected with pneumatic cylinder 19 in one side intermediate position that connecting plate 18 and fixing base 17 are adjacent, pneumatic cylinder 19's output all is provided with hydraulic stem 20, the equal fixedly connected with clamp plate 16 in hydraulic stem 20 top is put the work piece on fixing base 17, open pneumatic cylinder 19 and make hydraulic stem 20 extension, it is fixed to make two clamp plates 16 carry out the centre gripping to the work piece, 2 bottom intermediate position fixedly connected with arc light discharge device 13 of bell.

The four corners of the bottom of the furnace body 1 are fixedly connected with supporting legs 3, the middle position of the front end of the furnace body 1 is penetrated through and fixedly connected with a transparent window 4, the middle position of the right side of the furnace body 1 is rotatably connected with a furnace door 5, a workpiece can be taken out or placed through the furnace door 5, the process of nitriding treatment can be observed through the transparent window 4, the furnace body 1 can be supported through the supporting legs 3, the middle position of the top of the furnace cover 2 close to the left side is fixedly connected with a power supply 6, the power supply 6 is electrically connected with an arc discharge device 13, the power supply 6 supplies power for the arc discharge device 13 and carries out ion nitriding treatment on the workpiece on a fixed seat 17 through the arc discharge device 13, the right side of an air pump 8 is fixedly connected with an air exhaust pipe 9, one end of the air exhaust pipe 9 penetrates through and is fixedly connected with the furnace body 1, the air pump 8 can pump the waste gas in the nitrided furnace body 1 into a filter box 7 through the filter box 7 and filter and discharge the waste gas, the pollution of waste gas to the air is reduced, the environment is protected, the heating device 14 is fixedly connected with one end of the ammonia pipeline 10, ammonia is introduced into the furnace body 1 through the ammonia pipeline 10 and can be heated through the heating device 14, and activated carbon fibers which are uniformly and densely distributed are arranged in the filter box 7.

The working principle is as follows: a workpiece is placed on the fixed seat 17, the hydraulic cylinder 19 is opened to extend the hydraulic rod 20, so that the two pressing plates 16 clamp and fix the workpiece, ammonia gas is introduced into the furnace body 1 through the ammonia gas pipeline 10, the ammonia gas can be heated by the heating device 14, the first motor 11 drives the fan 15 to rotate, so that the ammonia gas in the furnace body 1 flows, meanwhile, the second motor 12 drives the fixed seat 17 to rotate, so that the workpiece on the fixed seat 17 is heated and nitrided uniformly, the air pump 8 can pump the waste gas in the nitrided furnace body 1 into the filter tank 7 through the air exhaust pipe 9, the waste gas is filtered and discharged through the filter box 7, the power supply 6 supplies power to the arc discharge device 13, the arc discharge device 13 carries out ion nitriding treatment on the workpiece on the fixed seat 17, the furnace door 5 can be used for taking out or placing a workpiece, the progress of the nitriding treatment can be observed through the transparent window 4, and the furnace body 1 can be supported through the supporting legs 3.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Arc discharge heating ion nitriding furnace, including furnace body (1), its characterized in that: the furnace body (1) is fixedly connected with the furnace cover (2) at the top, the furnace cover (2) is fixedly connected with the filter box (7) at the middle position close to the right side at the top, the filter box (7) is fixedly connected with the air pump (8) and the air pump (8) at the top of the furnace cover (2) through pipelines, the middle position at the top of the left side of the furnace body (1) is penetrated and fixedly connected with an ammonia pipeline (10), the outer wall of the middle position at the left side of the furnace body (1) is fixedly connected with a first motor (11), the output end of the first motor (11) is penetrated through the furnace body (1) and fixedly connected with a fan (15), the outer wall of the middle position at the bottom of the furnace body (1) is fixedly connected with a second motor (12), the output end of the second motor (12) is penetrated through the furnace body (1) and fixedly connected with a fixing seat (17), and connecting plates (18) are fixedly connected with the two sides of the fixing seat (17), the arc discharge furnace is characterized in that a hydraulic cylinder (19) is fixedly connected to the middle position of one side, adjacent to the fixing seat (17), of the connecting plate (18), a hydraulic rod (20) is arranged at the output end of the hydraulic cylinder (19), a pressing plate (16) is fixedly connected to the top end of the hydraulic rod (20), and an arc discharge device (13) is fixedly connected to the middle position of the bottom of the furnace cover (2).

2. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: the furnace body (1) bottom four corners position department all fixedly connected with supporting leg (3).

3. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: the middle position of the front end of the furnace body (1) penetrates through and is fixedly connected with a transparent window (4).

4. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: the middle position of the right side of the furnace body (1) is rotatably connected with a furnace door (5).

5. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: the middle of the top of the furnace cover (2) close to the left side is fixedly connected with a power supply (6) and the power supply (6) is electrically connected with the arc discharge device (13).

6. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: the right side of the air pump (8) is fixedly connected with an air exhaust pipe (9), and one end of the air exhaust pipe (9) penetrates through and is fixedly connected with the furnace body (1).

7. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: one end of the ammonia pipeline (10) is fixedly connected with a heating device (14).

8. The arc-discharge heated ion nitriding furnace according to claim 1, wherein: and activated carbon fibers which are uniformly and densely distributed are arranged in the filter box (7).