CN114838793B - Batching and weighing equipment for powder metallurgy - Google Patents
Batching and weighing equipment for powder metallurgy Download PDFInfo
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- CN114838793B CN114838793B CN202210431529.3A CN202210431529A CN114838793B CN 114838793 B CN114838793 B CN 114838793B CN 202210431529 A CN202210431529 A CN 202210431529A CN 114838793 B CN114838793 B CN 114838793B
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- discharging
- hopper
- vibration
- batching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/02—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
- G01G13/04—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism involving dribble-feed means controlled by the weighing mechanism to top up the receptacle to the target weight
- G01G13/08—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism involving dribble-feed means controlled by the weighing mechanism to top up the receptacle to the target weight wherein the main feed is effected by mechanical conveying means, e.g. by belt conveyors, by vibratory conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
- G01G13/247—Checking quantity of material in the feeding arrangement, e.g. discharge material only if a predetermined quantity is present
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/24—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus
- G01G19/28—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus having fluid weight-sensitive devices
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- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention relates to a proportioning and weighing device for powder metallurgy, which comprises a supporting frame and a plurality of proportioning hoppers, wherein the proportioning hoppers are arranged in two rows at equal intervals and are arranged on the supporting frame, a plurality of sound insulation plates are arranged below the proportioning hoppers in the supporting frame, one side of the supporting frame is provided with a discharge hole, a dust removing fan is arranged on the other side of the supporting frame, the lower end of each proportioning hopper in the sound insulation plates is provided with a discharge auger, the upper side of the middle part of the discharge auger is in through connection with the lower end of the proportioning hoppers, one end of the discharge auger is provided with a first motor for driving the auger, an oscillation discharge mechanism is arranged below the discharge auger, a weighing instrument is arranged below the output end of the oscillation discharge mechanism, a proportioning conveyor belt is arranged between the proportioning conveyor belts at the two sides, the quantity of raw material powder output from the oscillation discharge hopper is controlled, and the output precision of the raw material powder is improved.
Description
Technical Field
The invention relates to the technical field of powder weighing, in particular to a proportioning weighing device for powder metallurgy.
Background
In the industries of medicines, foods, cosmetics and the like, a batching process is often involved, which is a key process in the whole production process, and particularly in the medicine manufacturing industry, the batching accuracy directly influences the final utility of the product. The core of the batching process is the accuracy of weighing and metering of each raw material, the related influence indexes also include the accuracy of recording and filling, and the like, which can influence the final quality of the medicine.
The patent document with the publication number of CN110793606A discloses a weighing and batching all-in-one machine and a weighing and batching method, which belong to the field of weighing and batching equipment, and comprise a weighing formula module, a work order distribution module, a weighing control module, a weighing tool, a printing module, a feeding scanning module and a management database, wherein the management database is respectively connected with the weighing formula module, the work order distribution module, the weighing control module, the printing module, the weighing tool and the feeding scanning module.
The current equipment is often because can not control the discharge rate when weighing the in-process of batching and lead to the batching to weigh the time error great for the quality of final product can't obtain promoting, often causes air pollution at the in-process of weighing the batching, causes adverse effect to staff's health, and has influenced the weighing accuracy of raw materials powder, has caused the waste of raw materials powder, can't reduce the waste of transportation in-process at the in-process of weighing current equipment, causes the loss of raw materials unable reduction.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides a proportioning and weighing device for powder metallurgy, which improves the overall working efficiency.
The technical problems solved by the invention are as follows:
(1) In the existing equipment, the discharging speed can not be controlled in the process of weighing ingredients, so that the error is large in the process of weighing the ingredients, and the quality of a final product can not be improved;
(2) The existing equipment often causes air pollution in the process of weighing ingredients, and has adverse effects on the health of staff;
(3) The existing equipment can not reduce the waste in the transferring process in the weighing process, and the weighing accuracy of the raw material powder is affected, so that the waste of the raw material powder is caused.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a powder metallurgy is with batching weighing device, including braced frame and batching bucket, the batching bucket is provided with a plurality of, and the batching bucket equidistance sets up into two rows side by side and installs on braced frame, the below that lies in the batching bucket in the braced frame is provided with a plurality of acoustic celotex boards, one side of braced frame is provided with the discharge gate, braced frame's opposite side is provided with dust removal fan, the lower extreme that lies in every batching bucket in the acoustic celotex board all installs the ejection of compact auger, the middle part upside and the lower extreme link up of batching bucket of ejection of compact auger are connected, the first motor that is used for driving the auger is installed to the one end of ejection of compact auger, the below of ejection of compact auger is provided with vibration discharge mechanism, the output below of vibration discharge mechanism is provided with the weighing instrument, the below of weighing instrument is provided with the batching conveyer belt, be provided with the ejection of compact conveyer belt between the batching conveyer belt of both sides.
As a further scheme of the invention, a discharging cylinder is arranged at the lower side of the output end of the discharging auger, the discharging cylinder is in a circular truncated cone-shaped structure, a first corrugated pipe is arranged at the lower end of the discharging cylinder, and the discharging cylinder is communicated with the input end of the oscillating discharging mechanism through the first corrugated pipe.
As a further scheme of the invention, the oscillating discharging mechanism comprises a supporting platen and a vibration generator, wherein the supporting platen is arranged under the discharging auger, mounting frames for supporting and fixing are arranged on two sides of the supporting platen, and the tops of the mounting frames respectively fixedly support the batching hopper and the discharging auger.
As a further scheme of the invention, inclined strut frames are fixedly connected to two sides of the middle of the mounting frame, a plurality of damping springs which are uniformly distributed in an array are arranged between the inclined strut frames and the supporting bedplate, the vibration generator is arranged on one side of the upper surface of the supporting bedplate, and the vibration discharging hopper is arranged on the other side of the upper surface of the supporting bedplate through the springs.
As a further scheme of the invention, the inside of the oscillating hopper is arranged in an inclined plane, the bottom of the output end of the oscillating hopper is in a bucket groove shape, and a shielding cloth for isolating dust is arranged at the upper part of the inner side of the oscillating hopper.
As a further scheme of the invention, a blocking plate for controlling discharging is arranged at the inner side of the output end of the oscillating discharge hopper, telescopic cylinders are rotatably connected to the two sides of the upper part of the blocking plate, the telescopic ends of the telescopic cylinders are rotatably connected with the blocking plate, and the side surfaces of the tail ends of the telescopic cylinders are rotatably connected with the inner side walls of the oscillating discharge hopper.
As a further scheme of the invention, electric push rods are arranged on two sides of the weighing instrument, the telescopic ends of the electric push rods are fixedly connected with connecting blocks, a supporting plate is arranged between the connecting blocks, and the weighing instrument is embedded in the middle of the upper surface of the supporting plate.
As a further scheme of the invention, electric sliding tables are respectively arranged on two sides of the upper surface of the supporting plate, two ends of each electric sliding table are fixedly arranged on the supporting plate through supporting columns, a discharging scraper is fixedly connected to a sliding block of each electric sliding table, and a gathering port for gathering and discharging raw material powder is arranged in the middle of one side of the supporting plate, which is close to the electric pushing rod.
As a further scheme of the invention, one side of the discharging scraping plate, which is close to the material collecting opening, is in a cambered surface shape, the bottom of the discharging scraping plate is abutted against the upper surface of the supporting plate, the upper surface of the weighing instrument is kept flush with the upper surface of the supporting plate, and a bearing frame for keeping the supporting plate horizontal is fixedly connected to one side of the electric push rod, which is close to the supporting plate.
As a further scheme of the invention, one end of the supporting plate, which is close to the electric push rod, is provided with a transmission shaft in a penetrating way, the end parts of the transmission shafts are respectively connected with the connecting blocks in a rotating way, one connecting block is provided with a second motor, and the end parts of the driving shafts of the second motors penetrate through the connecting blocks and are fixedly connected with the end parts of the transmission shafts.
The invention has the beneficial effects that:
(1) The vibration generator is used for sending vibration, the inclined surface in the vibration discharging hopper is used for enabling raw material powder to continuously move towards the output end of the vibration discharging hopper, so that the moving speed of the raw material powder is reduced, the vibration discharging hopper can output the raw material powder to the weighing instrument in a small quantity and multiple times, the precision of the measured raw material powder is greatly improved, the raw material powder can be gathered and output to fall in the middle of the weighing instrument through the bucket-shaped output end of the vibration discharging hopper, the raw material powder is prevented from drifting from the edge, the loss of the raw material powder in the transferring and weighing process is reduced, the vibration discharging mechanism is damped through the damping spring, the influence on the connection of other parts due to vibration is avoided, the overall stability is improved, when the output raw material powder is required to be further controlled, the rotation of the blocking plate is controlled through the expansion and contraction of the expansion cylinder, the rotation angle of the blocking plate is controlled on the basis of controlling the opening and closing of the vibration discharging hopper, the quantity of the raw material powder output from the vibration discharging hopper is controlled, the output quantity of the raw material powder is controlled further, and the output precision of the raw material powder is improved further is controlled;
(2) The negative pressure fan is used for keeping air inside the sound insulation plate from flowing outwards, the air inside the sound insulation plate is pumped out outwards through the dust removal fan, impurities such as particles in the air inside the sound insulation plate are filtered, then various raw material powders are contained in a classified mode through a plurality of proportioning hoppers, the powder in the proportioning hoppers is output to the vibration discharging mechanism through the first motor, the raw material powders are prevented from caking in the proportioning hoppers or adhering to the bottom of the proportioning hoppers through the discharging auger, the discharging proportioning work is prevented from being influenced, the raw material powders are simultaneously oscillated and discharged through the vibration discharging mechanism, so that the raw material powders are accurately conveyed to the weighing instrument, the weighing instrument can weigh a large amount of raw material powders when weighing the raw material powders through the vibration discharging mechanism, and also can be finely added when weighing the raw material powders, so that the weighed raw material powders are more accurate, after the weight of the raw material powders is weighed once, the raw material powders on the weighing instrument are placed on the proportioning conveying belt, the raw material powders of different weights are prevented from being conveyed to the discharging conveying belt through the plurality of proportioning conveying belts, the discharging belt is prevented from being conveyed to the discharging conveying belt, the raw material powders are simultaneously oscillated and discharged through the vibration discharging mechanism, the vibration absorbing mechanism is convenient to convey the raw material powders to the vibration absorbing dust outwards, and the raw material powders are prevented from being polluted when being conveyed to the vibration pipe is conveyed to the vibration pipe through the vibration discharging mechanism;
(3) Through the second motor rotation transmission shaft, rotate the backup pad through the transmission shaft, rotate the weighing instrument through the backup pad, with the leading-in batching conveyer belt of raw materials powder on the weighing instrument, simultaneously scrape the raw materials powder that adheres to in weighing instrument and backup pad through electronic slip table drive scraping plate to the batching conveyer belt, avoid extravagant, when the second motor rotates the backup pad and makes its level, make the backup pad keep the level through accepting the frame cooperation transmission shaft, make things convenient for the weighing instrument to accept raw materials powder, the electricity push rod stretches out during accepting, move the weighing instrument to the output lower part of vibration play hopper, thereby reduce the motion distance of powder, reduce the loss of powder, scrape the operation through second scraper blade and first scraper blade respectively to ejection of compact conveyer belt and batching conveyer belt, avoid raw materials powder to adhere to, reduce extravagant.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure within the baffle plate of the present invention;
FIG. 3 is a top view of the overall structure of the weighing cell of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the oscillating discharge mechanism of the present invention;
FIG. 5 is an enlarged schematic view of area A of FIG. 2;
in the figure: 1. a support frame; 2. a proportioning hopper; 3. a discharge port; 4. a sound insulation board; 5. discharging auger; 6. a first motor; 7. a discharging cylinder; 8. oscillating the discharging mechanism; 9. a diagonal bracing frame; 10. a weighing instrument; 11. a batching conveyor belt; 12. a damping spring; 13. a support plate; 14. a support column; 15. an electric sliding table; 16. a discharging scraper; 17. an electric push rod; 18. a connecting block; 19. a material collecting port; 20. a transmission shaft; 21. a second motor; 22. a bearing frame; 23. a support platen; 24. a vibration generator; 25. oscillating a discharge hopper; 26. a first bellows; 27. a shielding cloth; 28. a telescopic cylinder; 29. a blocking plate; 30. supporting a rotating shaft; 31. a dust-proof cover; 32. a second bellows; 33. a first scraper; 34. a discharge conveyor belt; 35. an L-shaped bracket; 36. and a second scraper.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-5: the utility model provides a powder metallurgy is with batching weighing device, including braced frame 1 and batching hopper 2, the batching hopper 2 is provided with a plurality of, and batching hopper 2 equidistance sets up into two rows side by side and installs on braced frame 1, be located the below of batching hopper 2 in braced frame 1 and be provided with a plurality of acoustic celotex board 4, one side of braced frame 1 is provided with discharge gate 3, the opposite side of braced frame 1 is provided with dust removal fan, the lower extreme that is located every batching hopper 2 in acoustic celotex board 4 all installs ejection of compact auger 5, the middle part upside and the lower extreme of batching hopper 2 of ejection of compact auger 5 link up and are connected, the first motor 6 that is used for driving the auger is installed to the one end of ejection of compact auger 5, the below of ejection of compact auger 5 is provided with vibration discharge mechanism 8, the output below of vibration discharge mechanism 8 is provided with weighing instrument 10, the below of weighing instrument 10 is provided with batching conveyer belt 11, be provided with ejection of compact conveyer 34 between the both sides batching conveyer belt 11, the output of ejection of compact conveyer 34 sets up in discharge gate 3, one side of acoustic celotex board 4 is located the top of discharge gate 3 and inlays and is equipped with negative pressure fan.
During use, air inside the sound insulation plate 4 is kept from flowing outwards through the negative pressure fan, air inside the sound insulation plate 4 is pumped out through the dust removal fan, impurities such as particles in the air inside the sound insulation plate 4 are filtered, various raw material powders are contained in a classified mode through a plurality of proportioning hoppers 2, the discharging auger 5 is driven through the first motor 6, the powder in the proportioning hoppers 2 is output to the oscillating discharging mechanism 8, the raw material powders are prevented from caking in the proportioning hoppers 2 or adhering to the bottom of the proportioning hoppers 2 through the discharging auger 5, the discharging proportioning work is avoided, the raw material powders are simultaneously oscillated and discharged through the oscillating discharging mechanism 8, the raw material powders are accurately conveyed to the weighing instrument 10, the weighing instrument 10 can weigh a large amount of raw material powders during weighing through the oscillating discharging mechanism 8, the raw material powders can be finely added during weighing, accordingly, the weighed raw material powders are more accurate in weight, the raw material powders on the weighing instrument 10 are placed on the proportioning conveyor 11 after the weight of the raw material powders is weighed, the raw material powders are prevented from caking or adhering to the bottom of the proportioning conveyor 11, the raw material powders are conveyed to the bottom of the proportioning hoppers 2 through the oscillating discharging conveyor belt 11, the raw material powders are conveyed to the weighing instrument 3 through the weighing conveyor belts, and the raw material powders are accurately conveyed to the weighing station through the weighing conveyor belt, and the weighing station is discharged from the weighing conveyor belt to the weighing station, and the weighing station is discharged from the weighing station to the weighing station.
The discharge cylinder 7 is installed to the output downside of ejection of compact auger 5, and ejection of compact cylinder 7 is round platform column structure, and first bellows 26 is installed to the lower extreme of ejection of compact cylinder 7, and ejection of compact cylinder 7 is linked together through first bellows 26 and the input of vibration discharge mechanism 8, through the stop and the shock attenuation of first bellows 26, makes things convenient for ejection of compact auger 5 to carry raw materials powder to in the vibration discharge mechanism 8, and avoids the dust to scatter when carrying, reduces the pollution to the air.
The vibration discharging mechanism 8 comprises a supporting bedplate 23 and a vibration generator 24, the supporting bedplate 23 is arranged right below the discharging auger 5, mounting frames for supporting and fixing are arranged at two sides of the supporting bedplate 23, the top of each mounting frame is respectively fixedly used for supporting the distributing hopper 2 and the discharging auger 5, inclined brackets 9 are fixedly connected to two sides of the middle of each mounting frame, a plurality of vibration springs 12 which are uniformly distributed in an array are arranged between each inclined bracket 9 and the supporting bedplate 23, the vibration generator 24 is arranged at one side of the upper surface of the supporting bedplate 23, the vibration discharging hopper 25 is arranged at the other side of the upper surface of the supporting bedplate 23 through springs, one side of the bottom of the vibration discharging hopper 25 is connected with the vibration generator 24, the inside of the vibration discharging hopper 25 is in an inclined plane, the bottom of the output end of the vibration discharging hopper 25 is in a bucket groove shape, raw material powder can be output in a gathering shape during discharging through bucket-shaped notches, shielding cloth 27 for isolating dust is arranged at the upper part of the inner side of the vibration discharging hopper 25, baffle plates 29 for controlling discharging are arranged at the inner sides of the output end of the vibration discharging hopper 25, the baffle plates 29 are arranged at two sides of the output end of the vibration discharging hopper 25, the baffle plates 29 are connected with inner side walls of the vibration discharging cylinder 29 through rotating shafts 30, the vibration baffle plates 28 are connected with the inner side walls of the vibration discharging cylinder 25, and the vibration baffle plates 28 rotate, and the vibration discharging hopper 25 rotate and the vibration hopper 25 rotate and extend;
when the vibration type vibration discharging hopper is used, vibration is sent out through the vibration generator 24, the raw material powder is continuously moved to the output end of the vibration discharging hopper 25 by utilizing the inclined surface in the vibration discharging hopper 25, so that the raw material powder is pushed to move by utilizing the vibration, the moving speed of the raw material powder is reduced, the vibration discharging hopper 25 can output the raw material powder to the weighing instrument 10 in a small quantity and multiple times, the precision of the measured raw material powder is greatly improved, the raw material powder can be gathered and output to fall in the middle of the weighing instrument 10 through the bucket-shaped output end of the vibration discharging hopper 25, the raw material powder is prevented from splashing from the edge, the loss of the raw material powder in the transferring and weighing process is reduced, the vibration discharging mechanism 8 is damped through the damping spring 12, the connection of other parts is prevented from being influenced by vibration, the whole stability is improved, when the output quantity of the output raw material powder is required to be further controlled, the rotation of the blocking plate 29 is controlled through the expansion of the expansion cylinder 28, the rotation angle of the blocking plate 29 is further controlled on the basis of controlling the opening and closing of the vibration discharging hopper 25, the quantity of the raw material powder output from the vibration discharging hopper 25 is further controlled, and the output precision of the raw material powder is further improved.
The two sides of the weighing instrument 10 are provided with electric push rods 17, the telescopic ends of the electric push rods 17 are fixedly connected with connecting blocks 18, a supporting plate 13 is arranged between the connecting blocks 18, the weighing instrument 10 is embedded in the middle of the upper surface of the supporting plate 13, two sides of the upper surface of the supporting plate 13 are respectively provided with an electric sliding table 15, two ends of each electric sliding table 15 are fixedly arranged on the supporting plate 13 through supporting columns 14, a material discharging scraper 16 is fixedly connected to a sliding block of each electric sliding table 15, a material collecting opening 19 for collecting and discharging raw material powder is arranged in the middle of one side of the supporting plate 13, one side of each material discharging scraper 16, which is close to the material collecting opening 19, is in a cambered surface shape, the bottom of each material discharging scraper 16 is abutted to the upper surface of the supporting plate 13, the upper surface of the weighing instrument 10 is flush with the upper surface of the supporting plate 13, one side of each electric push rod 17, which is close to the supporting plate 13 is fixedly connected with a bearing frame 22 for keeping the supporting plate 13 horizontal, one end of each supporting plate 13, a transmission shaft 20 is penetrated through one end of each transmission shaft 20, the end of each transmission shaft 20 is respectively connected with the connecting block 18 in a rotating manner, a second motor 21 is arranged on the connecting block 18, and the end of each transmission shaft of the second motor 21 penetrates through the 18 and is fixedly connected with the end of each transmission shaft 20;
the transmission shaft 20 is rotated through the second motor 21, the supporting plate 13 is rotated through the transmission shaft 20, the weighing instrument 10 is rotated through the supporting plate 13, raw material powder on the weighing instrument 10 is led into the batching conveyor belt 11, meanwhile, the electric sliding table 15 drives the discharging scraping plate 16 to scrape the raw material powder attached to the weighing instrument 10 and the supporting plate 13 onto the batching conveyor belt 11, waste is avoided, when the supporting plate 13 is rotated through the second motor 21 to enable the supporting plate 13 to be horizontal, the supporting plate 13 is kept horizontal through the supporting frame 22 and the transmission shaft 20, the weighing instrument 10 is conveniently supported by the raw material powder, the electric push rod 17 stretches out during supporting, the weighing instrument 10 is moved to the lower part of the output end of the oscillating discharging hopper 25, so that the movement distance of the powder is reduced, the dissipation of the powder is reduced, and the pollution to the air is reduced.
The first scraper blade 33 is installed to the output of batching conveyer belt 11, and the second scraper blade 36 is installed to the output of ejection of compact conveyer belt 34, and L shape support 35 is installed respectively at the both ends of second scraper blade 36 and the both ends of first scraper blade 33, and the both ends of second scraper blade 36 and the both ends of first scraper blade 33 respectively with L shape support 35 elasticity articulated to scrape the operation to ejection of compact conveyer belt 34 and batching conveyer belt 11 respectively through second scraper blade 36 and first scraper blade 33, avoid raw materials powder to adhere to, reduce extravagant.
The dust-proof cover 31 is installed on the periphery of the output end of the oscillating discharge hopper 25, the second corrugated pipe 32 is installed on the lower opening of the dust-proof cover 31, and the dust-proof and shock-absorbing effects of the second corrugated pipe 32 are convenient to block the scattered particles during discharging of the oscillating discharge hopper 25, so that the pollution to the air is further reduced.
When the vibration type vibration weighing device is used, vibration is sent out through the vibration generator 24, raw material powder is enabled to continuously move towards the output end of the vibration discharge hopper 25 through the inclined surface in the vibration discharge hopper 25, so that the raw material powder is pushed to move through the vibration, the moving speed of the raw material powder is reduced, the vibration discharge hopper 25 can output the raw material powder to the weighing instrument 10 in a small quantity and multiple times, the precision of the measured raw material powder is greatly improved, the raw material powder can be gathered and output to fall in the middle of the weighing instrument 10 through the bucket-shaped output end of the vibration discharge hopper 25, the raw material powder is prevented from being splashed from the edge, the loss of the raw material powder in the transferring and weighing process is reduced, the vibration is damped through the damping spring 12, the connection of other components is prevented from being influenced due to the vibration, the overall stability is improved, when the output quantity of the output raw material powder is required to be further controlled, the rotation of the blocking plate 29 is controlled through the expansion and contraction of the expansion cylinder 28, the rotation angle of the blocking plate 29 is controlled on the basis of controlling the opening and closing of the vibration discharge hopper 25, the quantity of the raw material powder output from the vibration discharge hopper 25 is further controlled, and the output precision of the raw material powder is further improved;
the air inside the sound insulation plate 4 is kept from flowing outwards through the negative pressure fan, the air inside the sound insulation plate 4 is pumped out through the dust removal fan, impurities such as particles in the air inside the sound insulation plate 4 are filtered, various raw material powders are contained in a classified mode through a plurality of proportioning hoppers 2, the discharging auger 5 is driven through the first motor 6, the powders in the proportioning hoppers 2 are output to the oscillating discharging mechanism 8, the raw material powders are prevented from caking in the proportioning hoppers 2 or adhering to the bottom of the proportioning hoppers 2 through the discharging auger 5, the discharging proportioning work is avoided, the raw material powders are simultaneously oscillated and discharged through the oscillating discharging mechanism 8, the raw material powders are accurately conveyed to the weighing instrument 10 through the oscillating discharging mechanism 8, the weighing instrument 10 can weigh a large amount of raw material powders during weighing, and can also be finely added during weighing, so that the weight of the weighed raw material powders is more accurate, after the weight of the raw material powders is weighed, the raw material powders on the weighing instrument 10 are placed on the proportioning conveyer belt 11, the raw material powders are prevented from caking in the proportioning conveyer belt 11 or adhering to the bottom of the proportioning hoppers 2, the raw material powders are prevented from being simultaneously oscillated and discharged through the oscillating discharging mechanism 8, the raw material powders are prevented from being conveyed to the material conveyer belt 3 through the oscillating discharging mechanism, and the oscillating discharging mechanism 8, and the material powders are prevented from being polluted by the material powders and discharged from being discharged to the air port 5, and the vibration is discharged through the vibration conveyer 8, and the vibration-absorbing mechanism is convenient to be discharged to the material powder is discharged from the vibration conveyer 8;
the driving shaft 20 is rotated through the second motor 21, the supporting plate 13 is rotated through the driving shaft 20, the weighing instrument 10 is rotated through the supporting plate 13, raw material powder on the weighing instrument 10 is led into the batching conveyor belt 11, meanwhile, the discharging scraping plate 16 is driven by the electric sliding table 15 to scrape the raw material powder attached to the weighing instrument 10 and the supporting plate 13 onto the batching conveyor belt 11, waste is avoided, when the supporting plate 13 is rotated through the supporting plate 21 to be horizontal, the supporting plate 13 is kept horizontal through the supporting frame 22 and the driving shaft 20, the weighing instrument 10 is conveniently supported by the raw material powder, the electric pushing rod 17 stretches out during supporting, the weighing instrument 10 is moved to the lower part of the output end of the oscillating hopper 25, so that the movement distance of the powder is reduced, the scattering of the powder is reduced, the discharging conveyor belt 34 and the batching conveyor belt 11 are scraped through the second scraping plate 36 and the first scraping plate 33 respectively, the raw material powder is avoided, and the waste is reduced.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (1)
1. The utility model provides a batching weighing device for powder metallurgy, includes braced frame (1) and a plurality of batching hopper (2), a plurality of batching hopper (2) equidistance sets up into two rows side by side and installs on braced frame (1), a serial communication port, be provided with a plurality of acoustic celotex boards (4) in braced frame (1) below that are located batching hopper (2), all install ejection of compact auger (5) in the lower extreme that is located every batching hopper (2) in acoustic celotex board (4), the middle part upside and the lower extreme through connection of batching hopper (2) of ejection of compact auger (5), first motor (6) that are used for driving the auger are installed to the one end of ejection of compact auger (5), the below of ejection of compact auger (5) is provided with vibration ejection of compact mechanism (8), the output below of vibration ejection of compact mechanism (8) is provided with weighing instrument (10), the below of weighing instrument (10) is provided with batching conveyer belt (11), both sides be provided with ejection of compact conveyer belt (34) between batching conveyer belt (11);
a discharging cylinder (7) is arranged at the lower side of the output end of the discharging auger (5), the discharging cylinder (7) is of a round table-shaped structure, a first corrugated pipe (26) is arranged at the lower end of the discharging cylinder (7), and the discharging cylinder (7) is communicated with the input end of the oscillating discharging mechanism (8) through the first corrugated pipe (26);
the oscillating discharging mechanism (8) comprises a supporting bedplate (23) and a vibration generator (24), mounting frames for supporting and fixing are arranged on two sides of the supporting bedplate (23), and the tops of the mounting frames respectively fixedly support the batching hopper (2) and the discharging auger (5);
the vibration-absorbing device is characterized in that inclined strut frames (9) are fixedly connected to two sides of the middle of the mounting frame, a plurality of vibration-absorbing springs (12) which are uniformly distributed in an array are arranged between the inclined strut frames (9) and the supporting bedplate (23), a vibration generator (24) is arranged on one side of the upper surface of the supporting bedplate (23), and an oscillating discharging hopper (25) is arranged on the other side of the upper surface of the supporting bedplate (23) through springs;
the inside of the oscillating discharge hopper (25) is inclined, the bottom of the output end of the oscillating discharge hopper (25) is in a bucket groove shape, and shielding cloth (27) for isolating dust is arranged at the upper part of the inner side of the oscillating discharge hopper (25);
a blocking plate (29) for controlling discharging is arranged at the inner side of the output end of the oscillating discharging hopper (25), telescopic cylinders (28) are rotatably connected to the two sides of the upper part of the blocking plate (29), the telescopic ends of the telescopic cylinders (28) are rotatably connected with the blocking plate (29), and the side surfaces of the tail ends of the telescopic cylinders (28) are rotatably connected with the inner side walls of the oscillating discharging hopper (25);
the automatic weighing device is characterized in that electric push rods (17) are arranged on two sides of the weighing instrument (10), connecting blocks (18) are connected to telescopic ends of the electric push rods (17), supporting plates (13) are arranged between the connecting blocks (18), and the weighing instrument (10) is embedded in the middle of the upper surface of the supporting plates (13);
electric sliding tables (15) are respectively arranged on two sides of the upper surface of the supporting plate (13), two ends of each electric sliding table (15) are fixedly arranged on the supporting plate (13) through supporting columns (14), a discharging scraper (16) is fixedly connected to a sliding block of each electric sliding table (15), and a material collecting opening (19) for collecting and discharging raw material powder is arranged in the middle of one side, close to the electric pushing rod (17), of each supporting plate (13);
the side, close to the material collecting opening (19), of the material discharging scraping plate (16) is in an arc surface shape, the bottom of the material discharging scraping plate (16) is in butt joint with the upper surface of the supporting plate (13), the upper surface of the weighing instrument (10) is kept flush with the upper surface of the supporting plate (13), and a bearing frame (22) used for keeping the supporting plate (13) horizontal is fixedly connected to one side, close to the supporting plate (13), of the electric push rod (17);
one end of the supporting plate (13) close to the electric push rod (17) is provided with a transmission shaft (20) in a penetrating mode, the end portion of the transmission shaft (20) is rotationally connected with the connecting block (18), a second motor (21) is installed on one connecting block (18), and the end portion of the driving shaft of the second motor (21) penetrates through the connecting block (18) and is fixedly connected with the end portion of the transmission shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210431529.3A CN114838793B (en) | 2022-04-22 | 2022-04-22 | Batching and weighing equipment for powder metallurgy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210431529.3A CN114838793B (en) | 2022-04-22 | 2022-04-22 | Batching and weighing equipment for powder metallurgy |
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| CN114838793B true CN114838793B (en) | 2023-09-19 |
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| CN114838793A (en) | 2022-08-02 |
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