CN201724724U - Automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder - Google Patents
Automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder Download PDFInfo
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- CN201724724U CN201724724U CN2010201509444U CN201020150944U CN201724724U CN 201724724 U CN201724724 U CN 201724724U CN 2010201509444 U CN2010201509444 U CN 2010201509444U CN 201020150944 U CN201020150944 U CN 201020150944U CN 201724724 U CN201724724 U CN 201724724U
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Abstract
The utility model discloses an automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder, which comprises a raw material tank which is arranged on a raw material tank bracket in an inverted way, a discharge butterfly valve and a discharge vibration device which are installed at a discharge opening of the aw material tank, a powder body pipeline, a weighing sensor, etc. A material receiving device comprises a material receiving tank, a feed butterfly valve installed at an opening of the tank, a powder body pipeline and a feed vibration device installed at the opening of the tank; and a weighing discharge device is connected with the receiving device through the powder body pipeline. By adopting the automatic weighing and blending system, the automatic weighing and blending of powder raw materials can be performed under airtight condition, and the system has the advantages of high-precision weighing with error less than 0.2 percent, simple and convenient operation, safety, reliability, high efficiency and the like, and only requires one personnel to conduct weighing and blending operations compared with that of the traditional method, therefore approximate 90 percent of time is shortened. A plurality of weighing devices and material receiving devices can be connected according to the amount of the raw materials, so as to complete the automatic weighing and blending of varieties of raw materials.
Description
Technical field
The utility model relates to a kind of device that neodymium iron boron fine-powdered raw material is carried out automatic weighing and burden under sealing state, particularly a kind of automatic weighing and dispensing system of making sintered neodymium-iron-boron powder.
Technical background
In the neodymium-iron-boron magnetic material industry, because fine powder raw material very easily oxidation, spontaneous combustion in air, the joining the powder overall process and must under the nitrogen protection environment, finish of different material.At present, the general used weighing and burden method of neodymium iron boron manufacturing enterprise is: the Raw material pail that raw material will be housed goes out mouth down, with hanging suspension hook charging basket is sling, the bucket that will connect material is placed on the weighbridge and is connected by flexible rubber hose with Raw material pail, allow the interior fine powder material of Raw material pail flow in the bucket that connects material, when barrel general assembly (TW) that connects material reached specified desired value, the manual discharging butterfly valve on the quick closedown Raw material pail finished a kind of weighing process of raw material.Use the same method then and pour the another kind of raw material of constant weight into the same bucket that connects material, finish the batching work of two kinds of fine powder materials.Because the flowability of powder is poor, also need constantly manually knock in the process of raw material falling to increase the flowability of raw meal.There is following shortcoming in above-mentioned traditional weighing and burden method: 1, the batching time is long: because the raw material fine powder is mobile poor, uses and manually beat blanking, it is the fastest each consuming time more than 2 hours to finish the overall process batching.2, there is potential safety hazard: because of this raw material fine powder has the characteristic of easy spontaneous combustion in air, needing simultaneously in the blending process, many people closely operate, in case the fine powder leakage phenomenon takes place, very easily cause operating personnel's injures and deaths, moreover in the blending process, in case hanging hook gets loose, then may cause bigger casualty accident to take place.3, the batching error is big: have bigger personal error in the manually-operated process, the weighing precision is difficult to control, causes to join the powder ratio and can't satisfy technological requirement.4, labour intensity is big: rely on the skilled labor highly accurately to operate fully, operating personnel's physical demands is bigger.
Summary of the invention
It is a kind of in the production run of sintered neodymium-iron-boron powder that the purpose of this utility model is to provide, and neodymium iron boron fine powder raw material is carried out weighing and burden, and have the automatic weighing and dispensing system of the manufacturing sintered neodymium-iron-boron powder of safe and reliable, high precision weighing.To solve technical matterss such as the difficult control of fine powder proportioning accuracy in the industry, blending process danger, efficient is low.
The technical solution of the utility model is: the utility model comprises head tank, discharging butterfly valve, splice jug, powdered pipe, weighing device, and the drawing mechanism of weighing is connected by powdered pipe 2 with material-receiving device, wherein:
The drawing mechanism of weighing is made up of head tank 11, head tank support 4, discharging butterfly valve 5, LOAD CELLS 7, sensor support frame 3, discharging vibrating device 6; Described discharging butterfly valve 5 is an automatic butterfly valve, be installed in head tank 11 discharging openings, 5 times termination powdered pipes 2 of discharging butterfly valve, head tank 11 is upside down on the head tank support 4, head tank support 4 places on the LOAD CELLS 7, LOAD CELLS 7 is installed on the sensor support frame 3, and sensor support frame 3 is installed on the worktable 1, and head tank 8 discharging opening places also are equipped with discharging vibrating device 6;
Material-receiving device is made up of splice jug 9, charging butterfly valve 8, feeding vibration 10; Described splice jug 9 places on the pedestal, at 9 jars of mouths of splice jug charging butterfly valve 8 is installed, and charging butterfly valve 8 is an automatic butterfly valve, and the other end that connects powdered pipe 2 is connected on 9 jars of mouths of splice jug, is abutted against 9 jars of mouth ends of batch can at powdered pipe 2 feeding vibration 10 is installed;
Be furnished with the DN8 joint on powdered pipe 2, the DN8 joint blows down impurity device 12 with deoxygenation and is connected.
According to the quantity of raw material type, a plurality of drawing mechanisms of weighing can be linked to each other with material-receiving device by powdered pipe 2.
The beneficial effects of the utility model are, can be implemented under the sealing state powder material is carried out automatic weighing and burden, have the high precision weighing, and error is lower than 0.2%; The efficient height is compared with adopting classic method, and native system only needs a people can finish weighing and burden work, and required time shortens nearly 90%; And advantage such as easy and simple to handle, safe and reliable.
Embodiment
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model left view;
Among the figure: 1. worktable, 2. powdered pipe, 3. sensor support frame, 4. head tank support, 5. discharging butterfly valve, 6. discharging vibrating device, 7. LOAD CELLS, 8. charging butterfly valve, 9. splice jug, 10. feeding vibration, 11. head tanks, 12. deoxygenations blow down the impurity device.
Below in conjunction with drawings and Examples the utility model is done and to be described in further detail.
According to the quantity of raw material type, can there be a plurality of drawing mechanisms of weighing to link to each other with material-receiving device by powdered pipe 2, present embodiment is an example with two drawing mechanisms of weighing, and two kinds of raw materials are carried out weighing and burden.
Worktable 1 is by four round steel upright supports, and table top requires to satisfy two above operating personnel's operations and stands, and can satisfy the lifting placement of head tank 11;
3 integral installations of sensor support frame are on worktable 1, and the overall leveling symmetry satisfies the horizontal location of LOAD CELLS 7 and accurately weighs;
Head tank 11 is upside down in the head tank support 4, and head tank 11 can be by 4 safeguard protections of head tank support;
Powdered pipe 2 is powder flow channels, and whole shape is exactly big " V " font, is coupled to an integral body by connecting piece and worktable 1, requires the powder non-oxidation to flow in pipeline.
Discharging vibrating device 6 is installed on head tank 11 discharging openings, under the vibration of discharging vibrating device 6, helps the emptying of head tank 11 raw materials.
Deoxygenation blows down impurity device 12, at a plurality of position distribution DN8 joints of pipeline, feeds nitrogen in powdered pipe 2, guarantees piping system oxygen level index, and can blow down impurity.
Raw material is weighed and is adopted the tired mode of weighing that subtracts, and two kinds of raw materials weighing individually or simultaneously respectively are mixed with the AB material.A, B material weighing system is respectively selected four 100kg high precision strain chip LOAD CELLS 9 and tired weighing instrument and the control module of subtracting for use.A, B material has independent weighing system respectively, and weighing is separately prepared burden after also can simultaneously A, B material being weighed; Control system selects for use the OMRON Programmable Logic Controller to carry out the design of weighing procedure auto-control, and mode of operation is divided manually/automatic operation mode; Configuration zirconia oxygen determination analyser 11 guarantees that the pipeline of all devices moves under nitrogen protection gas, inner Control for Oxygen Content is in processing range.
The weighing and burden process of A material is as follows: press the automatic deoxygenation of deoxygenation switch---indicate by the oxygen determination analyser, when oxygen content reaches requirement, close deoxygenation automatically and blow down the impurity device---pressing A material starting switch---automatic time delay and opened A material discharging butterfly valve 5 in 2 seconds, chain
Automatically start discharging vibrating device 6, automatically start charging butterfly valve 8, start feeding vibration 10 automatically, A material fine powder begins to flow into AB material splice jugs 9 along powdered pipe 2, and------A material discharging butterfly valve 5 changes automatically and switches to half-open degree and carry out accurate weighing that---when A head tank 11 tired decrements reach setting value---A material discharging butterfly valve 5 cuts out fully when A head tank 11 tired decrements reach setting value 95%, and stop to vibrate discharging vibrating device 6---delay time and closed out charging butterfly valve 8 in 10 seconds, stop feeding vibration 10.
The weighing and burden process of B material is as follows: press the automatic deoxygenation of deoxygenation switch---indicate by the oxygen determination analyser, when oxygen content reaches requirement, close deoxygenation automatically and blow down the impurity device---pressing B material starting switch---automatic time delay and opened B material discharging butterfly valve 5 in 2 seconds, chain
Automatically start discharging vibrating device 6, automatically start charging butterfly valve 8, start feeding vibration 10 automatically, B material fine powder begins to flow into AB material splice jugs 9 along powdered pipe 2---when B head tank 11 tired decrements reach setting value 95%-B material discharging butterfly valve 5 change automatically switch to half-open degree and carry out accurate weighing---when B head tank 11 tired decrements reach setting value-and B material discharging butterfly valve 5 cuts out fully, and stop to vibrate discharging vibrating device 6---delay time and closed out charging butterfly valve 8 in 10 seconds, stop feeding vibration 10.
Claims (2)
1. automatic weighing and dispensing system of making sintered neodymium-iron-boron powder, comprise head tank, discharging butterfly valve, splice jug, powdered pipe, weighing device, the drawing mechanism that it is characterized in that described automatic weighing and dispensing system is connected by powdered pipe (2) with material-receiving device, wherein:
The drawing mechanism of weighing is made up of head tank (11), head tank support (4), discharging butterfly valve (5), LOAD CELLS (7), sensor support frame (3), discharging vibrating device (6); Described discharging butterfly valve (5) is an automatic butterfly valve, be installed in head tank (11) discharging opening, discharging butterfly valve (5) is termination powdered pipe (2) down, head tank (11) is upside down on the head tank support (4), head tank support (4) places on the LOAD CELLS (7), LOAD CELLS (7) is installed on the sensor support frame (3), and sensor support frame (3) is installed on the worktable (1), and head tank (8) discharging opening place also is equipped with discharging vibrating device (6);
Material-receiving device is made up of splice jug (9), charging butterfly valve (8), feeding vibration (10); Described splice jug (9) places on the pedestal, at splice jug (a 9) jar mouth charging butterfly valve (8) is installed, charging butterfly valve (8) is an automatic butterfly valve, the other end that connects powdered pipe (2) is connected on splice jug (9) jar mouth, is abutted against batch can (a 9) jar mouthful end at powdered pipe (2) feeding vibration (10) is installed;
Be furnished with the DN8 joint on powdered pipe (2), the DN8 joint blows down impurity device (12) with deoxygenation and is connected.
2. the automatic weighing and dispensing system of manufacturing sintered neodymium-iron-boron powder according to claim 1 is characterized in that: at least one drawing mechanism of weighing links to each other with material-receiving device by powdered pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201509444U CN201724724U (en) | 2010-04-06 | 2010-04-06 | Automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201509444U CN201724724U (en) | 2010-04-06 | 2010-04-06 | Automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724724U true CN201724724U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201509444U Expired - Fee Related CN201724724U (en) | 2010-04-06 | 2010-04-06 | Automatic weighing and blending system used for manufacturing sintered neodymium iron boron powder |
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| Country | Link |
|---|---|
| CN (1) | CN201724724U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813510A (en) * | 2010-04-06 | 2010-08-25 | 江西金力永磁科技有限公司 | Automatic weighing and dispensing system for preparing sintered neodymium-iron-boron powder |
| CN103779024A (en) * | 2014-01-27 | 2014-05-07 | 江西江钨稀有金属新材料有限公司 | Nano-rare earth permanent magnetic material and preparation equipment therefor |
| CN106205923A (en) * | 2014-01-27 | 2016-12-07 | 江西江钨稀有金属新材料有限公司 | A kind of binding Nd-Fe-B permanent magnetic material and Preparation equipment thereof |
| CN109115322A (en) * | 2018-08-21 | 2019-01-01 | 中国矿业大学 | A kind of monomer material cutting stock weight control device and control method |
-
2010
- 2010-04-06 CN CN2010201509444U patent/CN201724724U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813510A (en) * | 2010-04-06 | 2010-08-25 | 江西金力永磁科技有限公司 | Automatic weighing and dispensing system for preparing sintered neodymium-iron-boron powder |
| CN103779024A (en) * | 2014-01-27 | 2014-05-07 | 江西江钨稀有金属新材料有限公司 | Nano-rare earth permanent magnetic material and preparation equipment therefor |
| CN106205923A (en) * | 2014-01-27 | 2016-12-07 | 江西江钨稀有金属新材料有限公司 | A kind of binding Nd-Fe-B permanent magnetic material and Preparation equipment thereof |
| CN109115322A (en) * | 2018-08-21 | 2019-01-01 | 中国矿业大学 | A kind of monomer material cutting stock weight control device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20110406 |