CN110440579A - A kind of vacuum sintering furnace improving structure - Google Patents
A kind of vacuum sintering furnace improving structure Download PDFInfo
- Publication number
- CN110440579A CN110440579A CN201910709230.8A CN201910709230A CN110440579A CN 110440579 A CN110440579 A CN 110440579A CN 201910709230 A CN201910709230 A CN 201910709230A CN 110440579 A CN110440579 A CN 110440579A
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- CN
- China
- Prior art keywords
- controller
- pedestal
- electric
- wireless transmitter
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/16—Arrangements of air or gas supply devices
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/18—Arrangement of controlling, monitoring, alarm or like devices
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B2005/062—Cooling elements
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/16—Arrangements of air or gas supply devices
- F27B2005/161—Gas inflow or outflow
- F27B2005/162—Gas inflow or outflow through closable or non-closable openings of the chamber walls
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
Abstract
The present invention provides a kind of vacuum sintering furnace for improving structure, including pedestal, movable pulley, bracket, cooling device, bell, electric furnace ontology, vacuum evacuation device, controller, wireless transmitter, electric heating pole, insulated cavity, furnace body, boiler clothing, muff, electric heating body, temperature inductor, pressure inductor, sintered material support frame, heats room and graphite cannula, and the movable pulley is arranged in pedestal lower part；The bracket is mounted on the top of pedestal by screw；The cooling device is mounted on the top of pedestal by screw；The side of electric furnace ontology is arranged in the bell；The electric furnace ontology is connected by screw with bracket.The setting of movable pulley of the present invention, wireless transmitter and cooling device, structure is simple, easy to adjust, convenient for the movement of equipment, can remotely control, and cooling velocity is fast, is convenient for marketing and application.
Description
Technical field
The invention belongs to material agglomerating plant technical field more particularly to a kind of vacuum sintering furnaces for improving structure.
Background technique
Ndfeb magnet can be divided into Agglutinate neodymium-iron-boron and two kinds of sintered NdFeB.Bonding is actually injection molding, and
Sintering is to vacuumize to form by high-temperature heating！Ndfeb magnet is to so far with the permanent magnet of most strong magnetic force.Material
The material trade mark has N35-N52；Various shape can be processed by specific requirement: round, square, punching, magnetic shoe, bar magnet, convex are trapezoidal
Deng；In spite of these advantages, but surface gets rusty easily, so it is generally necessary to making some protectiveness surface treatments: nickel plating, plating
Zinc, gold-plated, plating epoxy resin etc..The applicable environment temperature of common ndfeb magnet is 80 degree hereinafter, but also having several abilities
200 degree of high temperature.It is mainly used in electronics, electric appliance, packaging, motor, toy, leatherware, automobile mechanical etc..When manufacturing processing,
Mainly based on Sintered NdFeB magnet.
And a real qualified vacuum drying oven is mainly with working vacuum degree, final vacuum, speed of exhaust ratio, furnace chamber gas leakage
Rate, heating power, temperature uniformity as basic reference, wherein temperature uniformity be vacuum drying oven whether a He Ge important finger
Mark, primarily to ensuring that neodymium iron boron magnet raw material to be processed can be heated within the specified temperature range, keeps its microcosmic
Tissue is in same stage as much as possible, and prevents from causing material differences in expansion due to non-uniform temperature and leading to neodymium-iron-boron
The problems such as body deforms, since the support column of existing vacuum high-temperature stove heating room bottom setting and the dumping pipeline of burner hearth connection are equal
There are heat loss, the problems of heat insulation effect difference, to cause heating room local temperature uneven, then influence vacuum stove heating
The heat stability of room reduces the quality of production of neodymium iron boron magnetic body in furnace, and equipment is inconvenient to move, and can not remotely control and in real time
Monitoring device working condition, cooling velocity are slow.
Therefore, the vacuum sintering furnace for inventing a kind of improvement structure is very necessary.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of vacuum sintering furnaces for improving structure, to solve existing burning
Equipment there is heat stabilities poor, bad adaptability is tied, equipment is inconvenient to move, can not remotely control and real-time watch device works
State, the slow problem of cooling velocity.A kind of vacuum sintering furnace improving structure, including pedestal, movable pulley, bracket, cooling device,
Bell, electric furnace ontology, vacuum evacuation device, controller, wireless transmitter, electric heating pole, insulated cavity, furnace body, boiler clothing, heat preservation
Set, electric heating body, temperature inductor, pressure inductor, sintered material support frame heat room and graphite cannula, the movable pulley
It is arranged in pedestal lower part；The bracket is mounted on the top of pedestal by screw；The cooling device is installed by screw
On the top of pedestal；The side of electric furnace ontology is arranged in the bell；The electric furnace ontology is connected by screw with bracket
It connects；The vacuum evacuation device is mounted on the top of pedestal by screw；
The controller is mounted on the top of pedestal by screw；The wireless transmitter is mounted on by screw
The top of controller；The wireless transmitter is connected by conducting wire with controller；The electric heating pole is arranged in electricity
In furnace body；The electric heating pole is connected by conducting wire with controller；The insulated cavity is arranged in furnace body and boiler clothing
Between；The heat preservation is set on the inside of boiler clothing；The graphite is set on the inside of muff；The electric heating
The inside of graphite cannula is arranged in body；The electric heating body is connected with electric heating pole；The sintered material support frame setting
In heating chamber；
The temperature inductor is arranged in electric furnace ontology；The temperature inductor is connected by conducting wire with controller
It connects；The pressure inductor is arranged in electric furnace ontology；The pressure inductor is connected by conducting wire with controller.
Cooling device includes radiator fan, compressor, heat exchanger, shell；The cooling device by high-voltage tube with
Insulated cavity is connected；The cooling device is connected by conducting wire with controller, and being conducive to sintering furnace can quickly drop
Temperature improves working efficiency.
The vacuum evacuation device includes turbomolecular pump, lobe pump and mechanical pump；The vacuum evacuation device passes through height
Pressure pipe is connected with heating room；The vacuum evacuation device is connected by conducting wire with controller, has final vacuum height, pole
Limit can reach up to 2*10-4 pa, and material surface purity can be made to improve, improve antifatigue degree, toughness and the plasticity of material.
The temperature inductor uses Wolfram rhenium heat electric couple, has structure simple, and measurement temperature accuracy is high, measurement range
Greatly.
The wireless transmitter uses the single-chip microcontroller with function of surfing the Net；The wireless transmitter passes through network
It is connected with cell phone application client by wireless signal；The wireless transmitter is connected by signal wire with controller, is had
Conducive to the working condition of real-time monitoring sintering furnace.
The movable pulley uses universal wheel；The universal wheel uses four, and locking is provided on each universal wheel
Mechanism has the movement and fixation for facilitating vacuum sintering furnace.
Compared with prior art, the invention has the following beneficial effects:
1. the setting of vacuum evacuation device of the invention has final vacuum high, the limit be can reach up to 2*10-4 pa, energy
It enough improves material surface purity, improves antifatigue degree, toughness and the plasticity of material.
2. the setting of wireless transmitter of the invention is conducive to the working condition of real-time monitoring sintering furnace.
3. the setting of movable pulley of the invention facilitates the movement and fixation of vacuum sintering furnace.
4. the setting of cooling device of the invention, being conducive to sintering furnace can quickly cool down, working efficiency is improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of electric furnace ontology of the invention.
Fig. 3 is the structural schematic diagram of cooling device of the invention.
In figure:
1- pedestal, 2- movable pulley, 3- bracket, 4- cooling device, 41- radiator fan, 42- radiator fan, 43- heat exchange
Device, 44- shell, 5- bell, 6- electric furnace ontology, 7- vacuum evacuation device, 8- controller, 9- wireless transmitter, 10- electric heating
Pole, 11- insulated cavity, 12- furnace body, 13- boiler clothing, 14- muff, 15- electric heating body, 16- temperature inductor, 17- feeling of stress
Device, 18- sintered material support frame are answered, 19- heats room, 20- graphite cannula.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 3
The present invention provides a kind of vacuum sintering furnace for improving structure, including pedestal 1, movable pulley 2, bracket 3, cooling device 4,
Bell 5, electric furnace ontology 6, vacuum evacuation device 7, controller 8, wireless transmitter 9, electric heating pole 10, insulated cavity 11, furnace body
12, boiler clothing 13, muff 14, electric heating body 15, temperature inductor 16, pressure inductor 17, sintered material support frame 18, heating
Room 19 and graphite cannula 20, the movable pulley 2 are arranged in 1 lower part of pedestal；The bracket 3 is mounted on pedestal 1 by screw
Top；The cooling device 4 is mounted on the top of pedestal 1 by screw；The side of electric furnace ontology 6 is arranged in the bell 5
Portion；The electric furnace ontology 6 is connected by screw with bracket 3；The vacuum evacuation device 7 is mounted on pedestal 1 by screw
Top；
The controller 8 is mounted on the top of pedestal 1 by screw；The wireless transmitter 9 is pacified by screw
Mounted in the top of controller 8；The wireless transmitter 9 is connected by conducting wire with controller 8；The electric heating pole 10
It is arranged in electric furnace ontology 6；The electric heating pole 10 is connected by conducting wire with controller 8；The insulated cavity 11 is set
It sets between furnace body 12 and boiler clothing 13；The inside of boiler clothing 13 is arranged in the muff 14；The setting of graphite cannula 20 exists
The inside of muff 14；The inside of graphite cannula 20 is arranged in the electric heating body 15；The electric heating body 15 and electric heating
Pole 10 is connected；The setting of sintered material support frame 18 is inside heating room 19；The setting of temperature inductor 16 exists
In electric furnace ontology 6；
The temperature inductor 16 is connected by conducting wire with controller 8；The pressure inductor 17 is arranged in electricity
In furnace body 6；The pressure inductor 17 is connected by conducting wire with controller 8.
Cooling device 4 includes radiator fan 41, compressor 42, heat exchanger 43, shell 44；The cooling device 4 is logical
High-voltage tube is crossed to be connected with insulated cavity 11；The cooling device 4 is connected by conducting wire with controller 8, is conducive to be sintered
Furnace can quickly cool down, and improve working efficiency.
The vacuum evacuation device 7 includes turbomolecular pump, lobe pump and mechanical pump；The vacuum evacuation device 7 passes through
High-voltage tube is connected with heating room 19；The vacuum evacuation device 7 is connected by conducting wire with controller 8, has ultimate vacuum
Degree is high, and the limit can reach up to 2*10-4 pa, and material surface purity can be made to improve, improve the antifatigue degree of material, toughness and
Plasticity.
The temperature inductor 16 uses Wolfram rhenium heat electric couple, has structure simple, and measurement temperature accuracy is high, measurement range
Greatly.
The wireless transmitter 9 is using the single-chip microcontroller with function of surfing the Net；The wireless transmitter 9 passes through net
Network is connected with cell phone application client by wireless signal；The wireless transmitter 9 is connected by signal wire with controller 8
It connects, is conducive to the working condition of real-time monitoring sintering furnace.
The movable pulley 2 uses universal wheel；The universal wheel uses four, and locking is provided on each universal wheel
Mechanism has the movement and fixation for facilitating vacuum sintering furnace.
Working principle
In the present invention, staff opens bell 5, puts neodymium iron boron magnet raw material into sintered material in heating room 19
On support frame 18, bell 5 is shut, the temperature being set as needed is set by controller 8, will be added by vacuum evacuation device 7
Air extraction in hot cell 19, heats blank by electric heating body 15, passes through temperature inductor 16 and pressure inductor
Temperature and pressure in 17 pairs of heating rooms 19 carries out real-time monitoring, feeds back to controller 8, and controller can carry out heating room 19
Real-time control, while real-time control and monitoring can be carried out by cell phone application by wireless transmitter 9.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.
Claims (6)
1. a kind of vacuum sintering furnace for improving structure, it is characterised in that: including pedestal (1), movable pulley (2), bracket (3) is cooling
Device (4), bell (5), electric furnace ontology (6), vacuum evacuation device (7), controller (8), wireless transmitter (9), electric heating pole
(10), insulated cavity (11), furnace body (12), boiler clothing (13), muff (14), electric heating body (15), temperature inductor (16), pressure
Power inductor (17), sintered material support frame (18) heat room (19) and graphite cannula (20), and the movable pulley (2) setting exists
Pedestal (1) lower part；The bracket (3) is mounted on the top of pedestal (1) by screw；The cooling device (4) passes through spiral shell
Nail is mounted on the top of pedestal (1)；Side of bell (5) setting in electric furnace ontology (6)；The electric furnace ontology (6)
It is connected by screw with bracket (3)；The vacuum evacuation device (7) is mounted on the top of pedestal (1) by screw；
The controller (8) is mounted on the top of pedestal (1) by screw；The wireless transmitter (9) passes through screw
It is mounted on the top of controller (8)；The wireless transmitter (9) is connected by conducting wire with controller (8)；The electricity
Pole (10) are heated to be arranged in electric furnace ontology (6)；The electric heating pole (10) is connected by conducting wire with controller (8)；Institute
The insulated cavity (11) stated is arranged between furnace body (12) and boiler clothing (13)；The muff (14) is arranged in boiler clothing (13)
Inside；Inside of graphite cannula (20) setting in muff (14)；The electric heating body (15) is arranged in graphite cannula
(20) inside；The electric heating body (15) is connected with electric heating pole (10)；The sintered material support frame (18) is set
It sets internal in heating room (19)；
The temperature inductor (16) is arranged in electric furnace ontology (6)；The temperature inductor (16) passes through conducting wire and control
Device (8) processed is connected；The pressure inductor (17) is arranged in electric furnace ontology (6)；The pressure inductor (17) is logical
Conducting wire is crossed to be connected with controller (8).
2. the vacuum sintering furnace of novel improved structure as described in claim 1, it is characterised in that: cooling device (4) includes dissipating
Hot-air fan (41), compressor (42), heat exchanger (43), shell (44)；The cooling device (4) by high-voltage tube with it is heat-insulated
Cavity (11) is connected；The cooling device (4) is connected by conducting wire with controller (8).
3. the vacuum sintering furnace of novel improved structure as described in claim 1, it is characterised in that: the vacuum evacuation device
It (7) include turbomolecular pump, lobe pump and mechanical pump；The vacuum evacuation device (7) passes through high-voltage tube and heating room (19) phase
Connection；The vacuum evacuation device (7) is connected by conducting wire with controller (8).
4. the vacuum sintering furnace of novel improved structure as described in claim 1, it is characterised in that: the temperature inductor
(16) Wolfram rhenium heat electric couple is used.
5. the vacuum sintering furnace of novel improved structure as described in claim 1, it is characterised in that: the wireless transmitter
(9) using the single-chip microcontroller with function of surfing the Net；The wireless transmitter (9) is passed through by network and cell phone application client
Wireless signal connection；The wireless transmitter (9) is connected by signal wire with controller (8).
6. the vacuum sintering furnace of novel improved structure as described in claim 1, it is characterised in that: the movable pulley (2) is adopted
Use universal wheel；The universal wheel uses four, and is provided with retaining mechanism on each universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709230.8A CN110440579A (en) | 2019-08-01 | 2019-08-01 | A kind of vacuum sintering furnace improving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709230.8A CN110440579A (en) | 2019-08-01 | 2019-08-01 | A kind of vacuum sintering furnace improving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110440579A true CN110440579A (en) | 2019-11-12 |
Family
ID=68432831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709230.8A Withdrawn CN110440579A (en) | 2019-08-01 | 2019-08-01 | A kind of vacuum sintering furnace improving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129117A (en) * | 2020-09-21 | 2020-12-25 | 江西荧光磁业有限公司 | Sintering temperature control device for processing neodymium iron boron magnet |
-
2019
- 2019-08-01 CN CN201910709230.8A patent/CN110440579A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129117A (en) * | 2020-09-21 | 2020-12-25 | 江西荧光磁业有限公司 | Sintering temperature control device for processing neodymium iron boron magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191112 |
|
| WW01 | Invention patent application withdrawn after publication |