CN210916228U

CN210916228U - Metal product processing heat treatment device

Info

Publication number: CN210916228U
Application number: CN201921671500.2U
Authority: CN
Inventors: 李俊
Original assignee: Nanjing Ningxin Machinery Co ltd
Current assignee: Nanjing Ningxin Machinery Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-03
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a metal product processing heat treatment device relates to metal hot working technical field, processes some less finished product work pieces for the metal heat treatment technology who solves among the prior art, can't make the work piece surface contact the problem of reacting with gas completely. The bottom of heat treatment process case is provided with raises the base, the top of heat treatment process case is provided with the nitrogen gas input pump, and the nitrogen gas input pump has two, one side of nitrogen gas input pump is provided with the vacuum aspiration pump, the one end of heat treatment process case is provided with the box valve, the surface of box valve is provided with rotary valve spare, the inboard of box valve is provided with sealed inner panel, one side of sealed inner panel is provided with driving motor, the inside of heat treatment process case is provided with the heating reaction chamber, the upper and lower both sides of heating reaction chamber all are provided with nitrogen gas and pour into the spout.

Description

Metal product processing heat treatment device

Technical Field

The utility model relates to a metal heat treatment technical field specifically is a metal product processing heat treatment device.

Background

The metal heat treatment process can be broadly divided into three major categories, bulk heat treatment, surface heat treatment and chemical heat treatment. According to the difference of heating medium, heating temperature and cooling method, each large class can be divided into several different heat treatment processes, and different structures can be obtained by using different heat treatment processes on the same metal, so that the metal has different performances. Steel is the most widely used metal in industry, and the microstructure of steel is the most complex, so the heat treatment process of steel is various, the heat treatment of metal is one of the important processes in mechanical manufacturing, compared with other processing processes, the heat treatment does not change the shape and the whole chemical composition of the workpiece generally, but endows or improves the service performance of the workpiece by changing the microstructure in the workpiece or changing the chemical composition on the surface of the workpiece. Its feature is to improve the intrinsic quality of the workpiece, which is not normally visible to the naked eye. Therefore, the method is a special process in mechanical manufacturing and is also an important link of quality management.

However, in the existing metal heat treatment process, some small finished workpieces are processed, and the outer surfaces of the workpieces cannot be in contact with gas completely to react; therefore, the existing requirements are not met, and a metal product processing heat treatment device is provided for the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal product processing heat treatment device to the metal heat treatment technology who proposes is processing some less finished product work pieces in solving above-mentioned background art, can't make the work piece surface carry out the problem that the contact reacts with gas completely.

In order to achieve the above object, the utility model provides a following technical scheme: a metal product processing heat treatment device comprises a heat treatment process box, wherein a lifting base is arranged at the bottom of the heat treatment process box, two nitrogen input pumps are arranged above the heat treatment process box, a vacuum air suction pump is arranged on one side of each nitrogen input pump, a box valve is arranged at one end of the heat treatment process box, a rotary valve is arranged on the outer surface of each box valve, a sealing inner plate is arranged on the inner side of each box valve, a driving motor is arranged on one side of each sealing inner plate, a heating reaction cavity is arranged inside the heat treatment process box, nitrogen injection nozzles are arranged on the upper side and the lower side of each heating reaction cavity, a mesh-shaped rotating cylinder is arranged inside each heating reaction cavity, a rotating cylinder shaft door is arranged on the outer surface of each mesh-shaped rotating cylinder, and a metal lock catch is arranged on one side of each, the three metal latches are arranged, the two ends of the meshed rotary drum are respectively provided with a movable rotating shaft, one side of each movable rotating shaft is provided with a supporting and fixing plate, the upper side and the lower side of each supporting and fixing plate are respectively provided with a supporting rail rod, the outer side of the heating reaction cavity is provided with a heat preservation layer, and an electric heating assembly is arranged inside the heat preservation layer.

Preferably, the heat treatment process box is connected with the lifting base in a combined mode, and the nitrogen input pump and the vacuum suction pump are connected with the nitrogen injection nozzle through pipelines.

Preferably, the sealing inner plate is connected with the supporting and fixing plate through a bracket, and the driving motor is connected with the movable rotating shaft through a transmission rod.

Preferably, the movable rotating shaft is rotatably connected with the supporting and fixing plate, the reticular rotating drum is connected with the movable rotating shaft through a clamping groove, and the rotating drum shaft door is rotatably connected with the reticular rotating drum through a hinge.

Preferably, the support fixing plate is connected with the support rail rod through a bolt, the support rail rod is connected with the heat treatment process box through a sliding groove in a sliding mode, and the heat insulation layer and the electric heating assembly are connected with the heat treatment process box in a combined mode.

Preferably, the heat treatment process box is connected with a box body valve in a combined mode, the box body valve is rotatably connected with a rotary valve, and the box body valve is fixedly connected with the sealing inner plate.

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

1. the utility model discloses to treat that the metal parts of processing are placed and are heated the reaction in netted rotary drum, be provided with the pivot at the both ends of rotary drum simultaneously, can drive and rotate, in the course of working, after temperature and nitrogen gas are equipped completely and finish, the activity pivot at rotary drum both ends can carry out slow at the uniform velocity rotation through the drive of motor, at this moment, the inside part of rotary drum also can turn inside the rotary drum, and slow at the uniform velocity rotation also can not lead to the condition that wearing and tearing appear in the part, can also let every position of metal parts all can react with nitrogen gas simultaneously, avoid appearing some dead angles, lead to part surface machining incomplete, thereby influence the whole quality of part.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a sectional view of the heat treatment process chamber of the present invention;

fig. 3 is a schematic structural view of the supporting and fixing plate of the present invention.

In the figure: 1. a heat treatment process box; 2. a tank valve; 3. a rotary valve member; 4. a nitrogen input pump; 5. a vacuum pump; 6. raising the base; 7. sealing the inner plate; 8. a drive motor; 9. a support fixing plate; 10. an electrical heating assembly; 11. heating the reaction chamber; 12. injecting nitrogen into the nozzle; 13. a movable rotating shaft; 14. a mesh drum; 15. a rotating shaft door; 16. a metal lock catch; 17. a support rail rod; 18. and (7) an insulating layer.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a metal product processing heat treatment device comprises a heat treatment process box 1, wherein a lifting base 6 is arranged at the bottom of the heat treatment process box 1, a nitrogen input pump 4 is arranged above the heat treatment process box 1 and used for inputting nitrogen, so that the abrasion resistance and hardness of metal are promoted and processed, two nitrogen input pumps 4 are provided, a vacuum air pump 5 is arranged on one side of each nitrogen input pump 4 to ensure that the inside of the device is in a vacuum heating environment and prevent oxygen from causing oxidation reaction of the metal, a box valve 2 is arranged at one end of the heat treatment process box 1, a rotary valve 3 is arranged on the outer surface of the box valve 2, a sealing inner plate 7 is arranged on the inner side of the box valve 2 and plays a role in sealing protection in cooperation with the valve, a driving motor 8 is arranged on one side of the sealing inner plate 7 to drive an inner rotary cylinder to rotate slowly at a constant speed, a heating reaction cavity 11 is arranged, the upper and lower sides of the heating reaction chamber 11 are provided with nitrogen injection nozzles 12, and after air is pumped out, injecting nitrogen required by processing into the reaction chamber, arranging a reticular rotating drum 14 in the heating reaction chamber 11 for placing metal parts to be processed, arranging a rotating drum shaft door 15 on the outer surface of the reticular rotating drum 14, arranging a metal lock catch 16 on one side of the rotating drum shaft door 15, and metal hasp 16 has threely, the both ends of netted rotary drum 14 all are provided with movable rotating shaft 13, one side of movable rotating shaft 13 is provided with supporting plate 9, the upper and lower both sides of supporting plate 9 all are provided with support rail 17, the outside of heating reaction chamber 11 is provided with heat preservation 18, prevent that the heat from running off fast, the inside of heat preservation 18 is provided with electric heating element 10, can produce the heat after the circular telegram, thereby promote the inside bulk temperature of reaction chamber, so as to realize the required heating link of reaction.

Further, the heat treatment process box 1 is connected with the lifting base 6 in a combined mode, so that the valve can be conveniently opened, and the nitrogen input pump 4, the vacuum air pump 5 and the nitrogen injection nozzle 12 are connected through pipelines, so that gas transmission is facilitated.

Furthermore, the sealing inner plate 7 is connected with the supporting and fixing plate 9 through a bracket, a certain space is ensured, and the driving motor 8 is connected with the movable rotating shaft 13 through a transmission rod and used for driving the rotating shaft to rotate.

Further, activity pivot 13 rotates with supporting fixed plate 9 to be connected, and netted rotary drum 14 passes through the draw-in groove with activity pivot 13 to be connected, is convenient for install, and rotary drum shaft door 15 passes through the hinge rotation with netted rotary drum 14 and is connected.

Further, the supporting and fixing plate 9 is connected with the supporting rail rod 17 through a bolt, the supporting rail rod 17 is connected with the heat treatment process box 1 through a sliding groove in a sliding mode, the purpose that the rotary drum is controlled to be pushed in and pulled out is achieved, and the heat insulation layer 18 and the electric heating assembly 10 are connected with the heat treatment process box 1 in a combined mode.

Further, the heat treatment process box 1 is connected with the box body valve 2 in a combined mode, the box body valve 2 is connected with the rotary valve piece 3 in a rotating mode, and the box body valve 2 is fixedly connected with the sealing inner plate 7, so that stability is enhanced.

The working principle is as follows: when in use, the box valve 2 is opened through the rotary valve part 3, finally the box valve 2 is pulled out, the supporting and fixing plate 9 inside is connected with the sealing inner plate 7, when the valve is pulled out, the supporting and fixing plate 9 and the reticular rotary drum 14 are pulled out, after the reticular rotary drum 14 is pulled out, the metal lock catch 16 on the rotary drum shaft door 15 is opened, then the part to be processed is poured into the reticular rotary drum 14, after the part is loaded, the shaft door is closed, the reticular rotary drum 14 is pushed into the heating reaction chamber 11 inside the heat treatment process box 1 again, then the machine is started, the vacuum air pump 5 above the box body firstly pumps out the air inside the box body through the nitrogen injection nozzle 12, so that the reaction chamber keeps a vacuum environment, the oxidation reaction of the metal caused by oxygen in the air is avoided, after the air is pumped out, the electric heating component 10 outside the reaction chamber is electrified to generate heat, heating the interior of the reaction cavity, wherein when the temperature is raised, the nitrogen input pump 4 above the reaction cavity injects nitrogen into the reaction cavity through the nitrogen injection nozzle 12, the nitrogen decomposes active nitrogen atoms after being heated, forms a nitride layer on the surface of the nitrogen after being absorbed by metal parts, and diffuses towards the center, so that the surface hardness and wear resistance of the parts are improved, and the fatigue strength and corrosion resistance are improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A metal product processing heat treatment device comprises a heat treatment process box (1), and is characterized in that: the bottom of the heat treatment process box (1) is provided with a lifting base (6), a nitrogen input pump (4) is arranged above the heat treatment process box (1), the number of the nitrogen input pumps (4) is two, one side of the nitrogen input pump (4) is provided with a vacuum air pump (5), one end of the heat treatment process box (1) is provided with a box valve (2), the outer surface of the box valve (2) is provided with a rotary valve (3), the inner side of the box valve (2) is provided with a sealing inner plate (7), one side of the sealing inner plate (7) is provided with a driving motor (8), the interior of the heat treatment process box (1) is provided with a heating reaction chamber (11), the upper side and the lower side of the heating reaction chamber (11) are both provided with nitrogen injection nozzles (12), and the interior of the heating reaction chamber (11) is provided with a reticular rotary drum (, the outer surface of netted rotary drum (14) is provided with rotary drum axle door (15), one side of rotary drum axle door (15) is provided with metal hasp (16), and metal hasp (16) have threely, the both ends of netted rotary drum (14) all are provided with activity pivot (13), one side of activity pivot (13) is provided with support fixed plate (9), the upper and lower both sides of support fixed plate (9) all are provided with support rail pole (17), the outside of heating reaction chamber (11) is provided with heat preservation (18), the inside of heat preservation (18) is provided with electric heating element (10).

2. The metal product working heat treatment apparatus according to claim 1, wherein: the heat treatment process box (1) is connected with the lifting base (6) in a combined mode, and the nitrogen input pump (4) and the vacuum air pump (5) are connected with the nitrogen injection nozzle (12) through pipelines.

3. The metal product working heat treatment apparatus according to claim 1, wherein: the sealing inner plate (7) is connected with the supporting and fixing plate (9) through a bracket, and the driving motor (8) is connected with the movable rotating shaft (13) through a transmission rod.

4. The metal product working heat treatment apparatus according to claim 1, wherein: the movable rotating shaft (13) is rotatably connected with the supporting and fixing plate (9), the reticular rotary drum (14) is connected with the movable rotating shaft (13) through a clamping groove, and the rotary drum shaft door (15) is rotatably connected with the reticular rotary drum (14) through a hinge.

5. The metal product working heat treatment apparatus according to claim 1, wherein: the supporting and fixing plate (9) is connected with the supporting rail rod (17) through a bolt, the supporting rail rod (17) is connected with the heat treatment process box (1) through a sliding groove in a sliding mode, and the heat insulation layer (18) and the electric heating assembly (10) are connected with the heat treatment process box (1) in a combined mode.

6. The metal product working heat treatment apparatus according to claim 1, wherein: the heat treatment process box (1) is connected with the box body valve (2) in a combined mode, the box body valve (2) is connected with the rotary valve (3) in a rotating mode, and the box body valve (2) is fixedly connected with the sealing inner plate (7).