CN220665417U

CN220665417U - Continuous working vacuum carburizing furnace

Info

Publication number: CN220665417U
Application number: CN202322297856.7U
Authority: CN
Inventors: 王精忠
Original assignee: XINGUANG INDUSTRIAL HEAT TREATMENT (KUNSHAN) CO LTD
Current assignee: XINGUANG INDUSTRIAL HEAT TREATMENT (KUNSHAN) CO LTD
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-26
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a continuously working vacuum carburizing furnace in the technical field of vacuum carburizing furnaces, and aims to solve the problems that when a product is taken out by the vacuum carburizing furnace in the prior art, heat in the carburizing furnace is lost, when a new product is processed, the temperature is required to be increased to the original temperature for a certain time, continuous processing of the product is inconvenient, and energy waste is easy to cause. The furnace comprises a furnace body, wherein a furnace cover is detachably connected to the furnace body, a vacuum pump and an air inlet pipe are communicated with the outer wall of the furnace body, and a heating mechanism is arranged in the furnace body; a through groove is formed in the bottom of the furnace body, a base is arranged in the through groove in a matching manner, and a first baffle and a second baffle are respectively arranged on two sides of the through groove on the inner wall of the furnace body; the two sides of the top of the base are symmetrically provided with a baffle plate; the utility model reduces the heat loss in the furnace body when the product is replaced, and can more quickly lead the temperature to rise to the required degree when the new product is processed, thereby being convenient for continuously processing the product and reducing the energy waste.

Description

Continuous working vacuum carburizing furnace

Technical Field

The utility model relates to a continuously working vacuum carburizing furnace, and belongs to the technical field of vacuum carburizing furnaces.

Background

Carburization is a process of heating a steel member to an austenitic state, and maintaining the temperature in a carbon-rich medium for a long time to allow carbon atoms to permeate into the surface layer, thereby increasing the carbon content of the surface layer of the steel member. In the prior art, in order to avoid internal oxidation of the workpiece caused by the action of oxygen during heat treatment, a vacuum carburizing furnace is widely used. Vacuum carburizing furnaces are industrial furnaces that perform various heat treatment processes on metal workpieces, which require tighter control of furnace temperature and furnace atmosphere composition.

After the vacuum carburizing furnace in the prior art carries out the carburizing work on the product, when the product is taken out, the carburizing furnace needs to be opened, at this time, the heat in the carburizing furnace is lost, when the next product is processed, the temperature in the carburizing furnace needs to be increased to the original temperature for a certain time, the continuous processing of the product is inconvenient for the carburizing furnace, the energy waste is easy to cause, and the working effect of the device is affected.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provide a continuously working vacuum carburizing furnace, and solve the problems that when the vacuum carburizing furnace takes out a product after carburization work is carried out on the product, heat in the carburizing furnace is lost, when the next product is processed, a certain time is required to raise the temperature in the carburizing furnace to the original temperature, so that the carburizing furnace is inconvenient to continuously process the product, and energy waste is easy to cause.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a continuously working vacuum carburizing furnace, which comprises a furnace body, wherein a furnace cover is detachably connected to the furnace body, the outer wall of the furnace body is communicated with a vacuum pump and an air inlet pipe, and a heating mechanism for heating is arranged in the furnace body;

the bottom of the furnace body is provided with a through groove, bases in sliding connection are arranged in the through groove in a matching manner, the two sides of the inner wall of the furnace body on the through groove are symmetrically provided with rotating mechanisms, a first baffle and a second baffle are respectively arranged on the two rotating mechanisms, and when the first baffle and the second baffle are in contact, the through groove can be sealed;

the base top bilateral symmetry is equipped with the baffle, two the baffle is right respectively first baffle with the second baffle plays the barrier effect.

Further, the inner wall of the furnace body is provided with a through hole plate at one side of the rotating mechanism, a spring is arranged at one side of the outer wall of the through hole plate, which is close to the rotating mechanism, and the two springs are respectively positioned at one side of the first baffle plate and one side of the second baffle plate.

Further, the rotating mechanism comprises two supporting plates arranged at the bottom of the inner wall of the furnace body, a rotating shaft in rotating connection is arranged between the two supporting plates, and the first baffle and the second baffle are respectively and fixedly connected with the two rotating shafts.

Further, the rotating mechanism further comprises a rotating block which is rotatably arranged on one of the outer walls of the supporting plates, the rotating block is fixedly connected with the rotating shaft, and a fixed block for blocking the rotating block is arranged on the outer wall of the supporting plate.

Further, the furnace body is connected with the base through a plurality of brackets, an air cylinder is arranged at the top of the base, and the output end of the air cylinder is fixedly connected with the bottom of the base.

Further, a fan in rotary connection is arranged at the bottom of the furnace cover, and a motor for driving the fan to rotate is arranged at the top of the furnace cover.

Further, support columns are symmetrically arranged at the tops of the bases, the same top plate is arranged at the tops of the two support columns, and lifting hooks are arranged at the bottoms of the top plates.

Further, a flowmeter is arranged on the air inlet pipe.

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

1. according to the continuously working vacuum carburizing furnace, when a base is taken out of a through groove, the partition plate moves to the outer side of a furnace body along with the partition plate, the first partition plate and the second partition plate can move to the upper side of the through groove, the partition plate and the second partition plate cooperate to block the through groove, heat loss in the furnace body is avoided, products on the taken base are replaced, the base is placed in the through groove again, the partition plate blocks the first partition plate and the second partition plate again, the through groove is sealed by the base, and at the moment, carburization work can be carried out on the next product.

2. According to the utility model, the fixed block plays a limiting role on the rotating block, so that the movement of the rotating shaft, the first baffle plate and the second baffle plate is limited, the first baffle plate and the second baffle plate can move to the same horizontal plane when rotating towards the through groove, the through groove is blocked, and the stability of the device during operation is ensured;

3. according to the utility model, the top plate is matched with the lifting hook, the product can be fixed through the fixing rope and hung on the lifting hook, so that the contact area between the product and the base is reduced, and the carburization effect of the device on the product is further ensured.

Drawings

FIG. 1 is a schematic cross-sectional front view of a continuously operating vacuum carburizing furnace according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B in FIG. 1;

fig. 4 is a schematic front view of a fixing block according to an embodiment of the present utility model.

In the figure: 1. a furnace body; 2. a furnace cover; 3. a vacuum pump; 4. an air inlet pipe; 5. a through groove; 6. a base; 7. a first baffle; 8. a second baffle; 9. a partition plate; 10. a through hole plate; 11. a spring; 12. a support plate; 13. a rotating shaft; 14. a rotating block; 15. a fixed block; 16. a base; 17. a bracket; 18. a cylinder; 19. a fan; 20. a motor; 21. a support column; 22. a top plate; 23. a lifting hook; 24. a flow meter.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-3, the utility model provides a continuously working vacuum carburizing furnace, which comprises a furnace body 1, wherein a furnace cover 2 is detachably connected to the furnace body 1, the outer wall of the furnace body 1 is communicated with a vacuum pump 3 and an air inlet pipe 4, and a heating mechanism for heating is arranged in the furnace body 1; a through groove 5 is formed in the bottom of the furnace body 1, bases 6 in sliding connection are arranged in the through groove 5 in a matched mode, rotating mechanisms are symmetrically arranged on two sides of the through groove 5 on the inner wall of the furnace body 1, a first baffle 7 and a second baffle 8 are respectively arranged on the two rotating mechanisms, and when the first baffle 7 and the second baffle 8 are in contact, the through groove 5 can be sealed; the two sides of the top of the base 6 are symmetrically provided with a baffle plate 9, and the two baffle plates 9 respectively play a role in blocking the first baffle plate 7 and the second baffle plate 8.

Specifically, in operation, a product to be carburized is placed on top of the base 6, then the base 6 is placed in the through groove 5, so that the product is located in the furnace body 1, when the base 6 is located in the through groove 5, two partition boards 9 are located in the furnace body 1, the two partition boards 9 respectively support the first baffle 7 and the second baffle 8, the first baffle 7 and the second baffle 8 are prevented from being contacted, the furnace body 1 is in a sealed state, then the vacuum pump 3 starts to work, vacuumizing work is performed in the furnace body 1, a carburizing gas such as acetylene is introduced into the furnace body 1 through the air inlet pipe 4, the heating mechanism is used for heating the temperature in the furnace body 1 to a required degree, then carburization work is performed in the product in the furnace body 1, after carburization work is completed on the product, the base 6 is taken out from the bottom of the furnace body 1 at this time, thereby driving the baffle plate 9 to move to the outer side of the furnace body 1, at the moment, the baffle plate 9 does not play a role in blocking the first baffle plate 7 and the second baffle plate 8, after the base 6 moves to the outer side of the furnace body 1, due to the action of gravity, the two rotating mechanisms respectively drive the first baffle plate 7 and the second baffle plate 8 to rotate towards the direction of the through groove 5, when the first baffle plate 7 and the second baffle plate 8 move to the same horizontal plane to contact, the two baffle plates can play a role in sealing the through groove 5, so that the furnace body 1 is in a sealing state, at the moment, the product on the taken out base 6 can be replaced, the great loss of heat in the furnace body 1 is avoided when the product is replaced, after the product is replaced, the base 6 is replaced into the through groove 5 from the bottom of the furnace body 1, at the moment, the baffle plate 9 pushes the first baffle plate 7 and the second baffle plate 8 back to the original position, and the furnace body 1 is in the sealing state, so as to facilitate continuous carburization of the product; optionally, a first groove matched with the second baffle plate 8 is formed in the first baffle plate 7, when the first baffle plate and the second baffle plate move to the same horizontal plane, the second baffle plate 8 can be clamped inside the first groove of the first baffle plate 7, and similarly, a second groove matched with the first baffle plate 7 is formed in the second baffle plate 8, and the first groove and the second groove are used for preventing the first baffle plate 7 and the second baffle plate 8 from affecting uniform heating of products, so that the working effect of the device is ensured; optionally, the heating mechanism is a plurality of heating pipes.

As shown in figures 1-3, according to the utility model, through the cooperation of the partition plate 9, the first baffle plate 7 and the second baffle plate 8, when the base 6 is taken out of the through groove 5, the partition plate 9 moves to the outer side of the furnace body 1, at the moment, the first baffle plate 7 and the second baffle plate 8 can move to the upper part of the through groove 5, the two cooperate to block the through groove 5, so that the heat loss in the furnace body 1 is avoided, after the product on the taken base 6 is replaced, the base 6 is placed in the through groove 5 again, the partition plate 9 blocks the first baffle plate 7 and the second baffle plate 8 again, the base 6 seals the through groove 5, at the moment, carburization work can be carried out on the next product, the heat loss in the furnace body 1 when the product is replaced is reduced, and the temperature can be quickly increased to the required degree when the new product is processed, so that continuous processing is carried out on the product, the energy waste is reduced, and the working effect of the device is ensured.

In one embodiment, an inner wall of the furnace body 1 is provided with a through hole plate 10 at one side of the rotating mechanism, a spring 11 is provided at one side of the outer wall of the through hole plate 10 close to the rotating mechanism, and two springs 11 are respectively positioned at one side of the first baffle 7 and one side of the second baffle 8.

Specifically, when base 6 moves to the outside of leading to groove 5, baffle 9 is not blockked the back to first baffle 7 and second baffle 8, spring 11 can promote first baffle 7 and second baffle 8 and be close to towards leading to groove 5, avoid appearing blocking the phenomenon, the stability of device during operation has been guaranteed, when base 6 moves to the inside of leading to groove 5, baffle 9 promotes first baffle 7 and second baffle 8 and resumes the normal position, spring 11 is in compressed state this moment, through-hole board 10 plays the supporting role to spring 11, baffle 9 can cooperate with spring 11 simultaneously, fix the position of first baffle 7 and second baffle 8, the stability of device structure has been guaranteed.

As shown in fig. 4, in one embodiment, the rotating mechanism includes two support plates 12 disposed at the bottom of the inner wall of the furnace body 1, a rotating shaft 13 in rotation connection is disposed between the two support plates 12, the first baffle 7 and the second baffle 8 are respectively fixedly connected with the two rotating shafts 13, the rotating mechanism further includes a rotating block 14 rotatably disposed on an outer wall of one of the support plates 12, the rotating block 14 is fixedly connected with the rotating shaft 13, and a fixing block 15 for blocking the rotating block 14 is disposed on an outer wall of the support plate 12.

Specifically, the supporting plate 12 has a supporting effect on the rotating shafts 13, the first baffle 7 and the second baffle 8 are respectively fixed on the two rotating shafts 13, and rotate along with the rotation of the rotating shafts 13, when the rotating shafts 13 rotate, the rotating blocks 14 rotate along with the rotating shafts, when the base 6 is taken out from the through groove 5, the first baffle 7 and the second baffle 8 rotate towards the through groove 5, at the moment, the rotating shafts 13 and the rotating blocks 14 rotate along with the rotating shafts, when the first baffle 7 and the second baffle 8 move to the upper side of the through groove 5, the fixed blocks 15 are positioned below the rotating blocks 14, and have a limiting effect on the rotating blocks 14, so that the movement of the rotating shafts 13, the first baffle 7 and the second baffle 8 is limited, and when the first baffle 7 and the second baffle 8 rotate towards the through groove 5, the first baffle 7 and the second baffle 8 can move to the same horizontal plane, so that the through groove 5 is blocked, and the stability of the device during operation is ensured.

As shown in fig. 1, an embodiment further includes a base 16, the furnace body 1 is connected with the base 16 through a plurality of brackets 17, a cylinder 18 is disposed at the top of the base 16, and an output end of the cylinder 18 is fixedly connected with the bottom of the base 6.

Specifically, base 16 and support 17 cooperation play the supporting role to furnace body 1, when needs take out base 6, accessible cylinder 18 drives base 6 downward movement, need not the manual work and takes out base 6, avoids spilling over high temperature air in furnace body 1 when taking out base 6 and causes the damage to personnel, changes the product on the base 6 back, and cylinder 18 promotes base 6 and resumes the normal position, and cylinder 18 can play the supporting role to base 6 simultaneously, has guaranteed the stability of device during operation.

In one embodiment, a fan 19 in rotational connection is arranged at the bottom of the furnace cover 2, a motor 20 for driving the fan 19 to rotate is arranged at the top of the furnace cover 2, a flowmeter 24 is arranged on the air inlet pipe 4, and after the carbon-permeable gas is introduced into the furnace body 1, the motor 20 drives the fan 19 to rotate, so that the gas in the furnace body 1 is uniformly distributed, the temperature is uniformly increased, and the carburizing effect of the device on products is ensured; the flow meter 24 can record the ventilation condition of the carburizing gas, so that the carburizing gas is regulated and controlled according to actual working requirements, and the working effect of the device is further ensured.

In an embodiment, support columns 21 are symmetrically arranged at the top of the base 6, the same top plate 22 is arranged at the tops of two support columns 21, a lifting hook 23 is arranged at the bottom of each top plate 22, a product can be fixed through a fixing rope, the fixing rope is hung on the lifting hook 23, the support columns 21 support the top plate 22, and the top plate 22 supports the lifting hook 23.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The vacuum carburizing furnace is characterized by comprising a furnace body (1), wherein a furnace cover (2) is detachably connected to the furnace body (1), a vacuum pump (3) and an air inlet pipe (4) are communicated with the outer wall of the furnace body (1), and a heating mechanism for heating is arranged in the furnace body (1);

a through groove (5) is formed in the bottom of the furnace body (1), bases (6) in sliding connection are arranged in the through groove (5) in a matching mode, rotating mechanisms are symmetrically arranged on the two sides of the through groove (5) on the inner wall of the furnace body (1), a first baffle (7) and a second baffle (8) are respectively arranged on the two rotating mechanisms, and when the first baffle (7) and the second baffle (8) are in contact, the through groove (5) can be sealed;

the two sides of the top of the base (6) are symmetrically provided with partition plates (9), and the two partition plates (9) respectively play a role in blocking the first baffle (7) and the second baffle (8).

2. The continuously operating vacuum carburizing furnace according to claim 1, wherein a through hole plate (10) is arranged on one side of the rotating mechanism on the inner wall of the furnace body (1), a spring (11) is arranged on one side of the outer wall of the through hole plate (10) close to the rotating mechanism, and the two springs (11) are respectively arranged on one side of the first baffle plate (7) and one side of the second baffle plate (8).

3. The continuously operating vacuum carburizing furnace according to claim 1, wherein the rotating mechanism comprises two supporting plates (12) arranged at the bottom of the inner wall of the furnace body (1), rotating shafts (13) in rotating connection are arranged between the two supporting plates (12), and the first baffle (7) and the second baffle (8) are respectively fixedly connected with the two rotating shafts (13).

4. A continuously operating vacuum carburizing furnace according to claim 3, wherein the rotating mechanism further comprises a rotating block (14) rotatably provided on an outer wall of one of the supporting plates (12), the rotating block (14) is fixedly connected with the rotating shaft (13), and a fixing block (15) for blocking the rotating block (14) is provided on an outer wall of the supporting plate (12).

5. The continuously operating vacuum carburizing furnace according to claim 1, further comprising a base (16), wherein the furnace body (1) is connected with the base (16) through a plurality of brackets (17), an air cylinder (18) is arranged at the top of the base (16), and an output end of the air cylinder (18) is fixedly connected with the bottom of the base (6).

6. The continuously operating vacuum carburizing furnace according to claim 1, characterized in that the bottom of the furnace cover (2) is provided with a fan (19) connected in rotation, and the top of the furnace cover (2) is provided with a motor (20) for driving the fan (19) in rotation.

7. The continuously operating vacuum carburizing furnace according to claim 1, wherein the top of the base (6) is symmetrically provided with support columns (21), the tops of two support columns (21) are provided with a same top plate (22), and the bottom of the top plate (22) is provided with a lifting hook (23).

8. Continuously operating vacuum carburizing furnace according to claim 1, characterized in that the air inlet pipe (4) is provided with a flow meter (24).