CN112414141B - Sintering furnace for producing strong magnetic products and using method thereof - Google Patents

Sintering furnace for producing strong magnetic products and using method thereof Download PDF

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Publication number
CN112414141B
CN112414141B CN202011355280.XA CN202011355280A CN112414141B CN 112414141 B CN112414141 B CN 112414141B CN 202011355280 A CN202011355280 A CN 202011355280A CN 112414141 B CN112414141 B CN 112414141B
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Prior art keywords
driving device
mounting plate
sintering furnace
shell
placing box
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CN202011355280.XA
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CN112414141A (en
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张玉林
高超
周峥
肖舟
唐钰
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Dongguan Zhonghan Magnetic Material Technology Co ltd
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Dongguan Zhonghan Magnetic Material Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D5/00—Supports, screens, or the like for the charge within the furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D5/00—Supports, screens, or the like for the charge within the furnace
    • F27D2005/0081—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

The invention discloses a sintering furnace for producing a strong magnetic product and a using method thereof; the sintering furnace comprises a mounting plate, a first driving device is fixedly mounted on the side face of the mounting plate, a sliding frame is slidably connected with the mounting plate, the first driving device drives the sliding frame to transversely displace, a box upper end opening is placed, the box upper end opening is mounted on one side of the top of the sliding frame, a plurality of clamping mechanisms are mounted in the placing box, a shell is fixedly mounted on the upper end face of the mounting plate, a temperature varying device is arranged in the shell, the temperature varying device is nearly placed in the box side opening, the first driving device drives the placing box to pass in and out the temperature varying device, and a plurality of ports are arranged at the bottom of the side face of the shell and electrically connected with the temperature varying device. The invention has reasonable design, can quickly cool the temperature in the sintering furnace and improve the cooling efficiency.

Description

Sintering furnace for producing strong magnetic products and using method thereof
Technical Field
The invention relates to the field of strong magnetic product production, in particular to a sintering furnace for producing strong magnetic products and a using method thereof.
Background
Since the invention in the eighties of this century, the nd-fe-b permanent magnet material has been rapidly developed due to its excellent magnetic properties. At present, the application of the neodymium iron boron permanent magnet has penetrated into the aspects of automobiles, household appliances, electronic instruments, nuclear magnetic resonance imagers, sound equipment, micro-special motors, mobile phones and the like. When the neodymium iron boron permanent magnet material is prepared, the process route of mixing, smelting, milling, forming, sintering and aging is needed to be carried out, the sintering procedure is an important stage for preparing the neodymium iron boron permanent magnet material, in the existing sintering process for preparing the neodymium iron boron permanent magnet material, a single-chamber sintering furnace is generally adopted, and the main process flow of sintering and aging by using the existing single-chamber sintering furnace is as follows: opening a furnace door, putting a sintering disc containing a product to be sintered, closing the furnace door, vacuumizing, heating, preserving heat at the sintering temperature, opening a gas valve, filling argon to 0.5-0.7atm, opening a fan in the furnace, cooling, stopping the fan, filling air to normal pressure (1 atm), opening the furnace door, taking out the sintered product, and closing the furnace door for standby. Sintering furnaces refer to specialized equipment that allows powder compacts to be sintered to achieve desired physical, mechanical properties, and microstructures. The sintering furnace is used for drying slurry on the silicon wafer, removing organic components in the slurry and completing sintering of the aluminum back surface field and the grid lines. In order to ensure that dewaxing (lubricant or forming agent), reduction, alloying, structure transformation and the like of the powder compact are smoothly performed in the sintering process, precise control of sintering temperature, protective atmosphere, compact conveying mode, heating and cooling speed and the like is required in sintering.
A sintering furnace for sintering magnets needs to be provided with a rapid cooling device that can rapidly cool sintered parts to tapping temperature without oxidation. Although the existing sintering furnace can realize rapid cooling, the cooling efficiency is not ideal.
Disclosure of Invention
Therefore, in order to solve the above defects, the invention provides a sintering furnace for producing a ferromagnetic product, which has a reasonable design, can rapidly cool the temperature in the sintering furnace and improve the cooling efficiency, and a use method thereof.
The invention is realized in such a way that a sintering furnace for producing a strong magnetic product is constructed, and the sintering furnace comprises a mounting plate, a first driving device is fixedly arranged on the side surface of the mounting plate, a sliding frame is connected with the mounting plate in a sliding way, the first driving device drives the sliding frame to move transversely, an opening at the upper end of a placing box is arranged on one side of the top of the sliding frame, a plurality of clamping mechanisms are arranged in the placing box, a shell is fixedly arranged on the upper end surface of the mounting plate, a temperature changing device is arranged in the shell, the temperature changing device is close to the opening at the side of the placing box, the first driving device drives the placing box to move in and out of the temperature changing device, and a plurality of ports are arranged at the bottom of the side surface of the shell and are electrically connected with the temperature changing device.
As the improvement of the technical scheme, a screw rod is arranged on the mounting plate, the two ends of the screw rod are rotatably connected with the mounting plate, one end of the screw rod penetrates through the mounting plate to be connected with the rotating shaft of the first driving device, and the screw rod is in threaded connection with the bottom of the sliding frame.
As an improvement of the technical scheme, a pair of first guide rails is arranged on two sides of the screw rod, the first guide rails are fixedly installed on the upper end face of the installation plate, and the sliding frame is connected with the first guide rails in a sliding mode through sliding blocks.
As an improvement of the technical scheme, a buffer mechanism is arranged on one side, close to the sliding frame, of the mounting plate.
As an improvement of the above technical solution, the clamping mechanism includes an installation base installed in the placing box, a third driving device installed on an upper end surface of the installation base, a bottom plate connected to the third driving device, a second driving device installed on an upper end surface of the bottom plate, and a clamping block connected to the second driving device, the third driving device drives the bottom plate to rotate, and the second driving device drives the clamping block to clamp the strong magnetic member.
As an improvement of the above technical scheme, a connecting piece is arranged at the joint of the second driving device and the clamping block, the connecting piece is respectively fixedly connected with the second driving device and the clamping block, a pair of second guide rails is arranged on the upper end surface of the bottom plate, and the connecting piece is connected with the second guide rails in a sliding manner through a sliding block.
As an improvement of the above technical solution, the temperature varying device includes an installation block fixedly connected to the housing, a condenser pipe fixedly connected to the installation block, a heating pipe disposed inside the condenser pipe, and an inner cylinder fixedly connected to the housing, and the inner cylinder is disposed inside the heating pipe.
As an improvement of the technical scheme, a heat insulation layer is arranged between the mounting block and the condenser pipe, the heat insulation layer is fixedly connected with the mounting block, an interlayer is arranged between the condenser pipe and the heating pipe, and the interlayer is fixedly connected with the shell.
A method for using the sintering furnace for producing the strong magnetic product; place the magnetic part between the fixture grip block of placing the incasement, second drive arrangement drive grip block carries out the centre gripping to the magnetic part, first drive arrangement drive carriage drives and places the case and get into the inner tube, the heating pipe heaies up to the inner tube internal temperature, sinter placing incasement magnetic part, third drive arrangement drives the magnetic part and rotates, the thermally equivalent, the back is accomplished in the sintering, the heating pipe stop heating, the condenser pipe cools down to the inner tube, the magnetic part cools off fast, first drive arrangement drive carriage drives and places case roll-off inner tube.
The invention has the following advantages: the invention provides a sintering furnace for producing a strong magnetic product and a using method thereof, the whole structure of the sintering furnace is reasonable in design, the temperature in the sintering furnace can be rapidly cooled, and the cooling efficiency is improved; compared with the prior art, the invention has the following improvements and advantages;
the invention 1 provides a sintering furnace for producing a strong magnetic product through improvement, which comprises a mounting plate, a first driving device, a sliding frame, a placing box, a plurality of clamping mechanisms, a shell, a temperature changing device and a plurality of ports, wherein the first driving device is fixedly arranged on the side surface of the mounting plate, the sliding frame is in sliding connection with the mounting plate, the first driving device drives the sliding frame to transversely move, the upper end opening of the placing box is arranged on one side of the top of the sliding frame, the clamping mechanisms are arranged in the placing box, the shell is fixedly arranged on the upper end surface of the mounting plate, the temperature changing device is arranged in the shell, the temperature changing device is close to the side opening of the placing box, the first driving device drives the placing box to move in and out of the temperature changing device, and the ports are arranged at the bottom of the side surface of the shell and are electrically connected with the temperature changing device. The temperature changing device is reasonable in design, the first driving device drives the placing box to enter the temperature changing device, the safety of equipment is guaranteed, the placing and the taking are convenient, the temperature changing device heats and cools the temperature in the furnace, the temperature can be quickly raised or lowered in the furnace, and the sintering and cooling efficiency is improved.
And 2, in the invention, a screw rod is arranged on the mounting plate, two ends of the screw rod are rotatably connected with the mounting plate, one end part of the screw rod penetrates through the mounting plate and is connected with a rotating shaft of the first driving device, and the screw rod is in threaded connection with the bottom of the sliding frame. The lead screw both sides set up a pair of first guided way, first guided way fixed mounting in the mounting panel up end, the carriage passes through slider and first guided way sliding connection. And a buffer mechanism is arranged on one side of the mounting plate close to the sliding frame.
3, in the invention, the clamping mechanism comprises an installation base arranged in the placing box, a third driving device arranged on the upper end surface of the installation base, a bottom plate connected with the third driving device, a second driving device arranged on the upper end surface of the bottom plate and a clamping block connected with the second driving device, wherein the third driving device drives the bottom plate to rotate, and the second driving device drives the clamping block to clamp the strong magnetic member. The clamping mechanism is reasonably designed, the third driving device drives the magnetic part to rotate, the magnetic part can be sintered more uniformly, and the second driving device drives the clamping block to clamp the magnetic part, so that the magnetic part is prevented from toppling.
And 4, in the invention, a connecting piece is arranged at the joint of the second driving device and the clamping block, the connecting piece is respectively and fixedly connected with the second driving device and the clamping block, a pair of second guide rails is arranged on the upper end surface of the bottom plate, and the connecting piece is in sliding connection with the second guide rails through a sliding block.
And 5, in the invention, the temperature changing device comprises an installation block fixedly connected with the shell, a condensation pipe fixedly connected with the installation block, a heating pipe arranged on the inner side of the condensation pipe and an inner cylinder fixedly connected with the shell, wherein the inner cylinder is arranged on the inner side of the heating pipe.
And 6, in the invention, a heat insulation layer is arranged between the mounting block and the condenser pipe, the heat insulation layer is fixedly connected with the mounting block, an interlayer is arranged between the condenser pipe and the heating pipe, and the interlayer is fixedly connected with the shell. The reasonable design heat insulating layer avoids the temperature of the temperature changing device from being transferred to the shell to cause injury to workers, and improves the safety of equipment.
7, the using method of the magnetic part sintering device comprises the following steps that a magnetic part is placed between clamping blocks of a clamping mechanism in a placing box, a second driving device drives the clamping blocks to clamp the magnetic part, a first driving device drives a sliding frame to drive the placing box to enter an inner barrel, a heating pipe heats the temperature in the inner barrel, the magnetic part in the placing box is sintered, a third driving device drives the magnetic part to rotate and be uniformly heated, after sintering is completed, the heating pipe stops heating, a condensing pipe cools the inner barrel, the magnetic part is rapidly cooled, and the first driving device drives the sliding frame to drive the placing box to slide out of the inner barrel.
Drawings
FIGS. 1 to 4 are schematic structural views of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIGS. 6 to 8 are schematic structural views of the clamping mechanism.
Wherein: 1. mounting a plate; 2. a first driving device; 3. a housing; 4. a carriage; 5. placing the box; 6. a lead screw; 7. a first guide rail; 8. a buffer mechanism; 9. an inner barrel; 10. a port; 11. an interlayer; 12. a condenser tube; 13. a thermal insulation layer; 14. mounting blocks; 15. a clamping block; 16. a connecting member; 17. a second driving device; 18. a second guide rail; 19. a third driving device; 20. installing a base; 21. a base plate; 22. and (4) heating the tube.
Description of the preferred embodiment
The present invention will be described in detail below with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a sintering furnace for producing a strong magnetic product through improvement, which comprises a mounting plate 1, a first driving device 2 fixedly arranged on the side surface of the mounting plate 1, a sliding frame 4 in sliding connection with the mounting plate 1, a placing box 5 with an opening at the upper end and arranged on one side of the top of the sliding frame 4, a plurality of clamping mechanisms arranged in the placing box 5, a shell 3 fixedly arranged on the upper end surface of the mounting plate 1, a temperature changing device arranged in the shell 3 and close to the opening of the placing box 5, wherein the first driving device 2 drives the placing box 5 to enter and exit from the temperature changing device, and a plurality of ports 10 arranged at the bottom of the side surface of the shell 3 are electrically connected with the temperature changing device. The temperature changing device is reasonable in design, the first driving device drives the placing box to enter the temperature changing device, the safety of equipment is guaranteed, the placing and the taking are convenient, the temperature changing device heats and cools the temperature in the furnace, the temperature can be quickly raised or lowered in the furnace, and the sintering and cooling efficiency is improved.
In this embodiment, a lead screw 6 is arranged on the mounting plate 1, two ends of the lead screw 6 are rotatably connected with the mounting plate 1, one end of the lead screw penetrates through the mounting plate 1 to be connected with a rotating shaft of the first driving device 2, and the lead screw 6 is in threaded connection with the bottom of the sliding frame 4.
In this embodiment, a pair of first guide rails 7 is disposed on two sides of the lead screw 6, the first guide rails 7 are fixedly mounted on the upper end surface of the mounting plate 1, and the sliding frame 4 is slidably connected with the first guide rails 7 through a sliding block.
In this embodiment, the mounting plate 1 is provided with a buffer mechanism 8 on the side close to the carriage 4.
In this embodiment, the clamping mechanism includes a mounting base 20 installed in the placing box 5, a third driving device 19 installed on the upper end surface of the mounting base 20, a bottom plate 21 connected to the third driving device 19, a second driving device 17 installed on the upper end surface of the bottom plate 21, and a clamping block 15 connected to the second driving device 17, the third driving device 19 drives the bottom plate 21 to rotate, and the second driving device 17 drives the clamping block 15 to clamp the strong magnetic member. The clamping mechanism is reasonably designed, the third driving device drives the magnetic part to rotate, the magnetic part can be conveniently and uniformly sintered, and the second driving device drives the clamping block to clamp the magnetic part, so that the magnetic part is prevented from being toppled.
In this embodiment, a connecting member 16 is disposed at a connection portion between the second driving device 17 and the clamping block 15, the connecting member 16 is fixedly connected to the second driving device 17 and the clamping block 15, a pair of second guide rails 18 is disposed on an upper end surface of the bottom plate 21, and the connecting member 16 is slidably connected to the second guide rails 18 through a sliding block.
In this embodiment, the temperature varying device includes an installation block 14 fixedly connected to the housing 3, a condensation pipe 12 fixedly connected to the installation block 14, a heating pipe 22 disposed inside the condensation pipe 12, and an inner cylinder 9 fixedly connected to the housing 3, wherein the inner cylinder 9 is disposed inside the heating pipe 22.
In this embodiment, a heat insulating layer 13 is disposed between the mounting block 14 and the condensation pipe 12, the heat insulating layer 13 is fixedly connected to the mounting block 14, an interlayer 11 is disposed between the condensation pipe 12 and the heating pipe 10, and the interlayer 11 is fixedly connected to the housing 3. The reasonable design heat insulating layer avoids the temperature of the temperature changing device from being transmitted to the shell to cause damage to workers, and improves the safety of equipment.
When the magnetic part sintering device is implemented, a magnetic part is placed between clamping blocks of a clamping mechanism in a placing box 5, a second driving device 17 drives a clamping block 15 to clamp the magnetic part, a first driving device 2 drives a sliding frame 4 to drive the placing box 5 to enter an inner cylinder 9, a heating pipe 22 heats the temperature in the inner cylinder 9, the magnetic part in the placing box 5 is sintered, a third driving device 19 drives the magnetic part to rotate and be uniformly heated, after sintering is completed, the heating pipe 22 stops heating, a condensing pipe 12 cools the inner cylinder, the magnetic part is rapidly cooled, and the sliding frame 4 is driven by the first driving device 2 to drive the placing box 5 to slide out of the inner cylinder 9.
Compared with the prior art, the invention has the following improvements and advantages;
the invention 1 provides a sintering furnace for producing a strong magnetic product through improvement, which comprises a mounting plate 1, a first driving device 2 is fixedly arranged on the side surface of the mounting plate 1, a sliding frame 4 is in sliding connection with the mounting plate 1, the first driving device 2 drives the sliding frame 4 to transversely displace, an upper end opening of a placing box 5 is arranged on one side of the top of the sliding frame 4, a plurality of clamping mechanisms are arranged in the placing box 5, a shell 3 is fixedly arranged on the upper end surface of the mounting plate 1, a temperature changing device is arranged in the shell 3, the temperature changing device is close to the opening of the placing box 5, the first driving device 2 drives the placing box 5 to move in and out of the temperature changing device, and a plurality of ports 10 are arranged at the bottom of the side surface of the shell 3 and are electrically connected with the temperature changing device. The temperature changing device is reasonable in design, the first driving device drives the placing box to enter the temperature changing device, the safety of equipment is guaranteed, the placing and the taking are convenient, the temperature changing device heats and cools the temperature in the furnace, the temperature can be quickly raised or lowered in the furnace, and the sintering and cooling efficiency is improved.
The mounting plate 1 is provided with a lead screw 6, two ends of the lead screw 6 are rotatably connected with the mounting plate 1, one end of the lead screw 6 penetrates through the mounting plate 1 to be connected with a rotating shaft of the first driving device 2, and the lead screw 6 is in threaded connection with the bottom of the sliding frame 4. 6 both sides of lead screw set up a pair of first guided way 7, first guided way 7 fixed mounting in mounting panel 1 up end, carriage 4 passes through slider and 7 sliding connection of first guided way. And a buffer mechanism 8 is arranged on one side of the mounting plate 1 close to the sliding frame 4.
In the present invention, the clamping mechanism includes a mounting base 20 mounted in the placing box 5, a third driving device 19 mounted on the upper end surface of the mounting base 20, a bottom plate 21 connected to the third driving device 19, a second driving device 17 mounted on the upper end surface of the bottom plate 21, and a clamping block 15 connected to the second driving device 17, the third driving device 19 drives the bottom plate 21 to rotate, and the second driving device 17 drives the clamping block 15 to clamp the ferromagnetic member. The clamping mechanism is reasonably designed, the third driving device drives the magnetic part to rotate, the magnetic part can be conveniently and uniformly sintered, and the second driving device drives the clamping block to clamp the magnetic part, so that the magnetic part is prevented from being toppled.
In the invention, a connecting piece 16 is arranged at the joint of the second driving device 17 and the clamping block 15, the connecting piece 16 is fixedly connected with the second driving device 17 and the clamping block 15 respectively, a pair of second guide rails 18 is arranged on the upper end surface of the bottom plate 21, and the connecting piece 16 is connected with the second guide rails 18 in a sliding manner through sliding blocks.
The temperature changing device comprises an installation block 14 fixedly connected with the shell 3, a condensation pipe 12 fixedly connected with the installation block 14, a heating pipe 22 arranged on the inner side of the condensation pipe 12, and an inner cylinder 9 fixedly connected with the shell 3, wherein the inner cylinder 9 is arranged on the inner side of the heating pipe 22.
According to the invention, 6, a heat insulation layer 13 is arranged between the mounting block 14 and the condenser pipe 12, the heat insulation layer 13 is fixedly connected with the mounting block 14, an interlayer 11 is arranged between the condenser pipe 12 and the heating pipe 22, and the interlayer 11 is fixedly connected with the shell 3. The reasonable design heat insulating layer avoids the temperature of the temperature changing device from being transferred to the shell to cause injury to workers, and improves the safety of equipment.
7, the using method of the invention comprises the following steps of placing magnetic parts between clamping blocks of a clamping mechanism in a placing box 5, driving the clamping blocks 15 to clamp the magnetic parts by a second driving device 17, driving a sliding frame 4 by a first driving device 2 to drive the placing box 5 to enter an inner cylinder 9, heating the temperature in the inner cylinder 9 by a heating pipe 22, sintering the magnetic parts in the placing box 5, driving the magnetic parts to rotate by a third driving device 19, uniformly heating, stopping heating the heating pipe 22 after sintering is completed, cooling the inner cylinder by a condensing pipe 12, rapidly cooling the magnetic parts, and driving the sliding frame 4 by the first driving device 2 to drive the placing box 5 to slide out of the inner cylinder 9.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (2)

1. The utility model provides a sintering furnace is used in production of strong magnetic product which characterized in that: the sintering furnace comprises a mounting plate (1);
the sintering furnace also comprises a first driving device (2) which is fixedly arranged on the side surface of the mounting plate (1); a lead screw (6) is arranged on the mounting plate (1), two ends of the lead screw (6) are rotatably connected with the mounting plate (1), one end of the lead screw penetrates through the mounting plate (1) and is connected with a rotating shaft of the first driving device (2), and the lead screw (6) is in threaded connection with the bottom of the sliding frame (4); a pair of first guide rails (7) is arranged on two sides of the lead screw (6), the first guide rails (7) are fixedly arranged on the upper end surface of the mounting plate (1), and the sliding frame (4) is connected with the first guide rails (7) in a sliding mode through sliding blocks;
the sintering furnace also comprises a sliding frame (4) which is connected with the mounting plate (1) in a sliding way; the first driving device (2) drives the sliding frame (4) to transversely displace;
the sintering furnace also comprises a placing box (5) with an opening at the upper end, and the placing box is arranged on one side of the top of the sliding frame (4);
the sintering furnace also comprises a plurality of clamping mechanisms which are arranged in the placing box (5);
the sintering furnace also comprises a shell (3) which is fixedly arranged on the upper end surface of the mounting plate (1);
the sintering furnace also comprises a temperature changing device which is arranged in the shell (3); the side of the temperature changing device close to the placing box (5) is provided with a side opening; the first driving device (2) drives the placing box (5) to enter and exit the temperature changing device; the temperature changing device comprises an installation block (14) fixedly connected with the shell (3), a condenser pipe (12) fixedly connected with the installation block (14), a heating pipe (22) arranged on the inner side of the condenser pipe (12) and an inner cylinder (9) fixedly connected with the shell (3), wherein the inner cylinder (9) is arranged on the inner side of the heating pipe (22); a heat insulation layer (13) is arranged between the mounting block (14) and the condenser pipe (12), the heat insulation layer (13) is fixedly connected with the mounting block (14), an interlayer (11) is arranged between the condenser pipe (12) and the heating pipe (22), and the interlayer (11) is fixedly connected with the shell (3);
the sintering furnace also comprises a plurality of ports (10) which are arranged at the bottom of the side surface of the shell (3) and are electrically connected with the temperature changing device;
the clamping mechanism comprises an installation base (20) installed in the placing box (5), a third driving device (19) installed on the upper end face of the installation base (20), a bottom plate (21) connected with the third driving device (19), a second driving device (17) installed on the upper end face of the bottom plate (21) and a clamping block (15) connected with the second driving device (17), a connecting piece (16) is arranged at the joint of the second driving device (17) and the clamping block (15), the connecting piece (16) is fixedly connected with the second driving device (17) and the clamping block (15) respectively, a pair of second guide rails (18) is arranged on the upper end face of the bottom plate (21), and the connecting piece (16) is connected with the second guide rails (18) in a sliding mode through a sliding block; the third driving device (19) drives the bottom plate (21) to rotate, and the second driving device (17) drives the clamping block (15) to clamp the strong magnetic piece;
the use method of the sintering furnace for producing the strong magnetic product comprises the following steps: place the magnetic part between the fixture grip block of placing in case (5), second drive arrangement (17) drive grip block (15) carry out the centre gripping to the magnetic part, first drive arrangement (2) drive carriage (4) drive place case (5) and get into inner tube (9), heating pipe (22) heat up to the temperature in inner tube (9), sinter to placing the magnetic part in case (5), third drive arrangement (19) drive magnetic part and rotate, the thermally equivalent, after the sintering is accomplished, heating pipe (22) stop heating, condenser pipe (12) cool down to the inner tube, the magnetic part cools off fast, first drive arrangement (2) drive carriage (4) drive and place case (5) roll-off inner tube (9).
2. The sintering furnace for producing a strong magnetic product according to claim 1, characterized in that: and a buffer mechanism (8) is arranged on one side of the mounting plate (1) close to the sliding frame (4).
CN202011355280.XA 2020-11-26 2020-11-26 Sintering furnace for producing strong magnetic products and using method thereof Active CN112414141B (en)

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Application Number Priority Date Filing Date Title
CN202011355280.XA CN112414141B (en) 2020-11-26 2020-11-26 Sintering furnace for producing strong magnetic products and using method thereof

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Application Number Priority Date Filing Date Title
CN202011355280.XA CN112414141B (en) 2020-11-26 2020-11-26 Sintering furnace for producing strong magnetic products and using method thereof

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