CN216614819U

CN216614819U - Well type carburizing furnace

Info

Publication number: CN216614819U
Application number: CN202220068000.5U
Authority: CN
Inventors: 高升; 谢金
Original assignee: Hangzhou Dalu Metal Heat Treatment Co ltd
Current assignee: Hangzhou Dalu Metal Heat Treatment Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-27
Anticipated expiration: 2032-01-11

Abstract

The application discloses well formula carburizing furnace belongs to carburizing furnace technical field, which comprises a furnace body, the outer surface mounting of furnace body has the mount, and solid fixed ring is installed to the left surface of mount, and tensile hydraulic stem is installed to solid fixed ring's inner wall, and sealed lid is installed to the flexible end of tensile hydraulic stem, and the bottom surface of sealed lid contacts with the upper surface of furnace body. This well formula carburizing furnace, through being provided with the furnace body, the support frame, gu fixed ring, tensile hydraulic stem, fixed sliding block, remove the spout, sealed lid, the cooperation of heating cabinet and removal case, can utilize the power of fixing the tensile hydraulic stem and providing in solid fixed ring, make sealed lid, heating cabinet and removal case can be at sealed lid, move on heating cabinet and the removal case, make sealed lid and heating cabinet pull out from the furnace body through the tensile hydraulic stem of control, only need comparatively convenient will remove the case through the manual work and put the heating cabinet in, play the effect that can comparatively convenient utilization tensile hydraulic stem promoted the work piece out.

Description

Well type carburizing furnace

Technical Field

The application belongs to the technical field of carburizing furnace, and especially relates to a pit type carburizing furnace.

Background

The carburizing furnace is a novel energy-saving periodic operation type heat treatment electric furnace, mainly used for carrying out gas carburizing on steel parts, wherein carburizing is a surface heat treatment process for heating low-carbon steel parts in a carburizing medium to an austenite state and preserving heat so as to enable carbon atoms to permeate into the surface to obtain a certain surface carbon content and carbon concentration, and is one of the main processes of chemical heat treatment.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: the existing pit-type carburizing furnace is inconvenient when taking and placing workpieces, the carburizing furnace needs to be lifted to a higher temperature firstly when the low-carbon steel pieces are carburized, the temperature of the workpieces is also higher after heating and heat preservation, and more time and energy of workers can be wasted if the workpieces cannot be taken and placed conveniently.

Therefore, a pit-type carburizing furnace is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve prior art, it is comparatively inconvenient when taking and placing the work piece, because the temperature of pit carburizing furnace is higher when placing, and the work piece temperature is higher when taking, makes the problem of taking and placing the work piece comparatively difficult, and a pit carburizing furnace that proposes.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a well formula carburizing furnace, includes the furnace body, the surface mounting of furnace body has the mount, solid fixed ring is installed to the left surface of mount, tensile hydraulic stem is installed to solid fixed ring's inner wall, sealed lid is installed to tensile hydraulic stem's flexible end, the bottom surface of sealed lid contacts with the upper surface of furnace body, the heating cabinet is installed to the bottom surface of sealed lid, two fixed sliders are installed to the inner diapire of heating cabinet, the removal case has been placed to the inside of heating cabinet, two removal spouts, every have been seted up to the bottom surface of removal case the equal sliding connection of fixed slider is in the inside of removing the spout.

Through setting up fixed slider, removal case and removal spout, realized making the fixed slider who fixes under the heating cabinet remove in removing the spout, played the effect that conveniently makes the heating cabinet take and place at the removal case.

Preferably, a horizontal support plate is placed below the furnace body, two sets of support legs are mounted on the upper surface of the horizontal support plate, and each set of support legs are fixedly connected to the top ends of the furnace body.

Through setting up horizontal support plate and supporting leg, realized utilizing the firm placing of horizontal support plate at the level subaerial to utilize the supporting leg to support the furnace body, reach the support that makes the furnace body firm at the subaerial purpose of level.

Preferably, a sieve plate is arranged below the heating box, and the outer surface of the sieve plate is fixedly connected with the inner wall of the furnace body.

Through setting up the sieve, realized utilizing the sieve to collect the piece that the work piece carries out heat treatment and leaves, played the convenient effect of collecting the processing to the piece of work piece.

Preferably, the upper surface of the sieve plate is provided with a support frame, and the upper surface of the support frame is in contact with the bottom surface of the heating box.

Through setting up the support frame, realized making placing on the support frame that the work piece is firm, come to carry out thermal treatment to the work piece, reach the effect of more convenient processing to the work piece.

Preferably, a water inlet valve is arranged on the outer side of the furnace body, and the output end of the water inlet valve penetrates through the furnace body and extends to the interior of the furnace body; the input end of the water inlet valve is communicated with an upper circulating pipe, the input end of the upper circulating pipe is communicated with a refrigerating device, two supporting rods are mounted on the bottom surface of the refrigerating device, and the bottom end of each supporting rod is fixedly connected with the upper surface of the horizontal supporting plate; the input end of the refrigerating device is communicated with a lower circulating pipe, and the input end of the lower circulating pipe penetrates through the furnace body and extends into the furnace body.

The arrangement of the water inlet valve realizes that the cold water in the interlayer in the furnace body is controlled by the water inlet valve, and the water inlet valve can be controlled to heat the cold water in the furnace body when the furnace body needs to be cooled by the water inlet valve; by arranging the upper circulating pipe, the refrigerating device and the supporting rods, the refrigerating device is used for refrigerating the circulating water, so that the temperature of water in the furnace body is reduced, and the supporting rods are used for enabling the upper circulating pipe and the refrigerating device to more stably cool the furnace body; through the arrangement of the lower circulating pipe, the circulating water cooling system is formed by the lower circulating pipe, the upper circulating pipe, the refrigerating device and the water inlet valve, the furnace body can be better subjected to heat dissipation treatment, and the effect of better dissipating heat of the furnace body is achieved.

Preferably, the outer surface of the refrigerating device is communicated with a feeding pipe, the inner wall of the furnace body is provided with an electric heating resistance wire, and the upper surface of the movable box is provided with a pulling handle.

Through setting up filling tube, electric heat resistance wire and pulling handle, realized utilizing the filling tube to add water and add the refrigerant to refrigerating plant, utilized the heat that electric heat resistance wire sent to process the work piece to utilize the pulling handle to stimulate the removal case.

To sum up, the technical effect and the advantage of this application: the pit-type carburizing furnace is provided with a furnace body, a fixed frame, a fixed ring, a stretching hydraulic rod, a fixed slide block, a movable chute, a sealing cover, a heating box and a movable box, wherein the sealing cover, the heating box and the movable box can move on the sealing cover, the heating box and the movable box by utilizing the power provided by the stretching hydraulic rod fixed in the fixed ring, because the sealing cover and the heating box are fixed together, a workpiece placed in the movable box can be placed in the furnace body to be heated together when the furnace body is closed tightly, the movable box can move in the heating box more conveniently by utilizing the sliding of the fixed slide block fixed in the heating box in the movable chute, when the workpiece is carburized and heated, the movable box needs to be taken out manually to cover the furnace body by the sealing cover, when the temperature in the furnace body rises to a certain value, the sealing cover and the heating box are pulled out from the furnace body by controlling the stretching hydraulic rod, only need comparatively convenient will remove the case through the manual work and put the heating cabinet in, carry out the carburization processing and handle, on the same reason, take out the work piece also through this work piece of comparatively convenient taking of manual work, play the tensile hydraulic stem of utilization that can be comparatively convenient and promote the effect that comes out with the work piece.

Drawings

FIG. 1 is a schematic perspective view of a tension hydraulic rod according to the present application;

FIG. 2 is a schematic structural view of a furnace body in a sectional view;

FIG. 3 is a schematic structural view in perspective of a cross-sectional view of the heating chamber of the present application;

fig. 4 is a schematic three-dimensional structure diagram of the mobile box of the present application.

In the figure: 1. a horizontal support plate; 2. supporting legs; 3. a furnace body; 4. a sealing cover; 5. a fixed mount; 6. a fixing ring; 7. stretching the hydraulic rod; 8. a water inlet valve; 9. an upper circulation pipe; 10. a refrigeration device; 11. a lower circulation pipe; 12. a feed tube; 13. a support bar; 14. an electric heating resistance wire; 15. a sieve plate; 16. a support frame; 17. a heating box; 18. a mobile box; 19. fixing the sliding block; 20. pulling the handle; 21. and moving the chute.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1, a well formula carburizing furnace, including furnace body 3, horizontal support plate 1 has been placed to the below of furnace body 3, horizontal support plate 1's last surface mounting has two sets of supporting legs 2, the top of every supporting leg 2 of group all with the bottom surface fixed connection of furnace body 3, through setting up horizontal support plate 1 and supporting leg 2, can utilize the firm placing of horizontal support plate 1 at the level subaerial, make supporting leg 2 support furnace body 3, play the subaerial effect of support at the level that makes furnace body 3 firm.

Referring to fig. 1-2, a fixed frame 5 is mounted on the outer surface of a furnace body 3, a fixed ring 6 is mounted on the left side surface of the fixed frame 5, a tensile hydraulic rod 7 is mounted on the inner wall of the fixed ring 6, a sealing cover 4 is mounted at the telescopic end of the tensile hydraulic rod 7, the bottom surface of the sealing cover 4 is in contact with the upper surface of the furnace body 3, a water inlet valve 8 is arranged on the outer side of the furnace body 3, the output end of the water inlet valve 8 penetrates through the furnace body 3 and extends into the furnace body 3, and the water inlet valve 8 is arranged to control the amount of cold water in the interlayer of the furnace body 3 to be discharged to cool the furnace body 3, so that the purpose of conveniently controlling the water inlet valve 8 to cool the furnace body 3 is achieved.

Referring to fig. 2-4, a heating box 17 is installed on the bottom surface of a sealing cover 4, two fixed sliding blocks 19 are installed on the inner bottom wall of the heating box 17, a moving box 18 is placed inside the heating box 17, two moving sliding grooves 21 are formed in the bottom surface of the moving box 18, each fixed sliding block 19 is connected to the inside of each moving sliding groove 21 in a sliding mode, a feeding pipe 12 is communicated with the outer surface of a refrigerating device 10, a resistance wire 14 is installed on the inner wall of a furnace body 3, a pulling handle 20 is installed on the upper surface of the moving box 18, the feeding pipe 12, the resistance wire 14 and the pulling handle 20 are arranged, water and refrigerant are added to the refrigerating device 10 through the feeding pipe 12, a workpiece is processed through heat emitted by the resistance wire 14, the moving box 18 is pulled through the pulling handle 20, and the purpose of facilitating carburization of the workpiece through the well type carburizing furnace is achieved.

Referring to fig. 1-2, a sieve plate 15 is arranged below the heating box 17, the outer surface of the sieve plate 15 is fixedly connected with the inner wall of the furnace body 3, and the sieve plate 15 is used for screening and collecting chips falling from a workpiece during heat treatment, so that the sieve plate 15 is conveniently cleaned, and the aim of better cleaning the furnace body 3 is fulfilled. The upper surface of the sieve plate 15 is provided with a support frame 16, the upper surface of the support frame 16 is contacted with the bottom surface of the heating box 17, and the support frame 16 is fixed with the sieve plate 15, so that the support frame 16 is stably fixed in the furnace body 3, and the function of conveniently processing the workpiece on the support frame 16 is achieved.

Referring to fig. 1-2, the input end of the water inlet valve 8 is communicated with an upper circulation pipe 9, the input end of the upper circulation pipe 9 is communicated with a refrigerating device 10, the input end of the refrigerating device 10 is communicated with a lower circulation pipe 11, the input end of the lower circulation pipe 11 penetrates through the furnace body 3 and extends into the furnace body 3, and the lower circulation pipe 11, the upper circulation pipe 9, the refrigerating device 10 and the water inlet valve 8 form a circulating water cooling system, so that the circulating water cooling system can cool the furnace body 3, save energy and quickly cool the furnace body 3. Two bracing pieces 13 are installed to refrigerating plant 10's bottom surface, and the bottom of every bracing piece 13 all is connected with the last fixed surface of horizontal support plate 1, through setting up upper circulating pipe 9, refrigerating plant 10 and bracing piece 13, has realized utilizing refrigerating plant 10 to refrigerate the circulating water, makes the temperature of furnace body 3 internal water reduce, reaches the purpose that utilizes bracing piece 13 to make upper circulating pipe 9 and refrigerating plant 10 more firm cool down furnace body 3.

The working principle is as follows: when the vertical carburizing furnace is used, firstly, the stretching hydraulic rod 7, the refrigerating device 10 and the electric heating resistance wire 14 are communicated with a power supply, when the vertical carburizing furnace is required to be used for carburizing a workpiece, the horizontal support plate 1 is firstly and stably placed on the horizontal ground, so that the whole vertical carburizing furnace is more and stably placed on the horizontal ground, then the movable box 18 which can slide in the heating box 17 is pulled out by pulling the handle 20 through manpower, the workpiece is stably placed in the movable box 18, then the stretching hydraulic rod 7 drives the sealing cover 4 to close the furnace body 3 by controlling the power supply of the stretching hydraulic rod 7 and the electric heating resistance wire 14, so that the electric heating resistance wire 14 heats the inside of the furnace body 3, the aim of conveniently and rapidly raising the temperature in the furnace body 3 is fulfilled, when the temperature in the furnace body 3 rises to a certain value, the stretching hydraulic rod 7 drives the sealing cover 4 and the heating box 17 to rise through controlling the power supply of the stretching hydraulic rod 7, therefore, the heating box 17 for placing the workpiece is exposed conveniently, the workpiece is placed into the heating box 17 conveniently to enter the furnace body 3 for processing, when the workpiece is placed into the moving box 18, the moving box 18 is clamped in the heating box 17, the workpiece is placed into the furnace body 3 for processing by controlling the power supply of the stretching hydraulic rod 7, when the workpiece is processed, the interior of the furnace body 3 needs to be cooled, water is added into the feeding pipe 12 by workers, and the cavity of the furnace body 3 is filled with water with lower temperature by controlling the power supply of the refrigerating device 10 and the on-off control of the water inlet valve 8, so that the aim of conveniently cooling the well type carburizing furnace is fulfilled.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A well type carburizing furnace comprises a furnace body (3) and is characterized in that a fixing frame (5) is arranged on the outer surface of the furnace body (3), a fixing ring (6) is arranged on the left side surface of the fixing frame (5), a stretching hydraulic rod (7) is arranged on the inner wall of the fixing ring (6), the telescopic end of the stretching hydraulic rod (7) is provided with a sealing cover (4), the bottom surface of the sealing cover (4) is contacted with the upper surface of the furnace body (3), a heating box (17) is arranged on the bottom surface of the sealing cover (4), two fixed sliding blocks (19) are arranged on the inner bottom wall of the heating box (17), moving box (18) have been placed to the inside of heating cabinet (17), two removal spout (21) have been seted up to the bottom surface of moving box (18), every fixed sliding block (19) equal sliding connection is in the inside of removing spout (21).

2. The shaft type carburizing furnace according to claim 1, characterized in that a horizontal support plate (1) is placed below the furnace body (3), two groups of support legs (2) are mounted on the upper surface of the horizontal support plate (1), and the top ends of the support legs (2) are fixedly connected with the bottom surface of the furnace body (3).

3. The shaft type carburizing furnace according to claim 2, characterized in that a screen plate (15) is arranged below the heating box (17), and the outer surface of the screen plate (15) is fixedly connected with the inner wall of the furnace body (3).

4. A shaft carburizing furnace according to claim 3, characterized in that the upper surface of the screen plate (15) is provided with a support frame (16), and the upper surface of the support frame (16) is in contact with the bottom surface of the heating box (17).

5. The shaft type carburizing furnace according to claim 2, wherein a water inlet valve (8) is arranged on the outer side of the furnace body (3), and the output end of the water inlet valve (8) penetrates through the furnace body (3) and extends to the inside of the furnace body (3); the input end of the water inlet valve (8) is communicated with an upper circulating pipe (9), the input end of the upper circulating pipe (9) is communicated with a refrigerating device (10), two supporting rods (13) are installed on the bottom surface of the refrigerating device (10), and the bottom end of each supporting rod (13) is fixedly connected with the upper surface of the horizontal supporting plate (1); the input end of the refrigerating device (10) is communicated with a lower circulating pipe (11), and the input end of the lower circulating pipe (11) penetrates through the furnace body (3) and extends into the furnace body (3).

6. The shaft type carburizing furnace according to claim 5, wherein the outer surface of the refrigerating device (10) is communicated with a feeding pipe (12), the inner wall of the furnace body (3) is provided with a resistance wire (14), and the upper surface of the movable box (18) is provided with a pulling handle (20).