CN114526798A - Powder weighing mechanism and magnetic field press with multiple molds - Google Patents
Powder weighing mechanism and magnetic field press with multiple molds Download PDFInfo
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- CN114526798A CN114526798A CN202210280393.0A CN202210280393A CN114526798A CN 114526798 A CN114526798 A CN 114526798A CN 202210280393 A CN202210280393 A CN 202210280393A CN 114526798 A CN114526798 A CN 114526798A
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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
- G01G13/022—Material feeding devices
- G01G13/026—Material feeding devices by mechanical conveying means, e.g. belt or vibratory conveyor
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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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- 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
- B22F3/004—Filling molds with powder
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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
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/10—Applications of devices for generating or transmitting jigging movements
- B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
- B65G27/24—Electromagnetic devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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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
- G01G13/003—Details; specially adapted accessories
-
- 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
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
- B22F2003/033—Press-moulding apparatus therefor with multiple punches working in the same direction
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to a powder weighing mechanism and a multi-die magnetic field press with the same, in particular to a powder weighing mechanism and a multi-die magnetic field press. The problem of current powder weighing mechanism automatic accurate weigh inefficiency is solved to and many magnetic field presses of a mould cause the great problem of magnetic powder weight error in each die cavity because of the automatic accurate weighing inefficiency of magnetic, and the constant volume is reinforced in the careless adoption. The powder weighing mechanism adopts a disposable pull plate type main feeding combined with an electromagnetic vibration feeder to complement the feeding, greatly improves the accurate weighing efficiency of the powder, is suitable for the powder molding field of ceramics, hard alloys, metal structural members, ferrite magnetic materials and the like, and is particularly suitable for a magnetic field press with a plurality of dies. The feeding bin of the feeding mechanism is divided into a plurality of feeding sub-bins which correspond to the die cavities one by the one-die multi-piece magnetic field press, so that the consistency of the weight of the magnetic powder in each die cavity is ensured, the magnetic powder is saved, and the cost is reduced.
Description
Technical Field
The invention relates to a powder weighing mechanism and a multi-die magnetic field press with the same, in particular to a powder weighing mechanism and a multi-die magnetic field press.
Background
Because the automatic accurate weighing of magnetic is inefficiency, current a mould many magnetic field press generally adopts the constant volume reinforced, weighs the total weight (for example six, every 100 grams, total 600 grams) of many magnetic earlier, then, fills up (the constant volume) each die cavity through feeding mechanism with whole magnetic (600 grams). Because the mobility of magnetic powder is relatively poor, although each die cavity is filled up (constant volume), the magnetic powder weight error in each die cavity is relatively large, and is particularly prominent to the performance such as tile-shaped piece, square bar shape, cylindrical shape, etc. with relatively small cross-sectional dimension, and causes the deviation of the overall dimension of each piece after molding, thereby wasting the magnetic powder and increasing the cost.
Disclosure of Invention
The invention solves the problems of low automatic and accurate weighing efficiency of the existing powder weighing mechanism and large magnetic powder weight error in each die cavity caused by the fact that a magnetic field press for multiple dies has low automatic and accurate weighing efficiency of magnetic powder and a constant volume feeding mode is adopted carelessly, and provides a powder weighing mechanism and a magnetic field press for multiple dies with the same.
The invention is realized by adopting the following technical scheme: a powder weighing mechanism comprises a charging bucket, a weighing device, an electromagnetic vibration feeder for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate and a horizontal moving plate, the horizontal moving plate is arranged on the horizontal fixed plate, and the lower end surface of a discharge pipe opening of the charging bucket is in contact with the upper surface of the horizontal moving plate; the horizontal moving plate is provided with a main feeding hole with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket and an auxiliary feeding hole with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket; the horizontal fixed plate is provided with a main blanking hole which is not smaller than the size of the main feeding hole and is positioned above the feeding hole of the weighing device, and an auxiliary blanking hole which is not smaller than the size of the auxiliary feeding hole and is positioned above the feeding side of the electromagnetic vibration feeder, the horizontal movable plate is driven (particularly driven by an air cylinder) to reciprocate, when the main feeding hole and the auxiliary feeding hole are covered by the end face of the discharge pipe orifice of the charging basket, the main feeding hole and the auxiliary feeding hole are filled with powder in the charging basket, when the main feeding hole is overlapped with the main blanking hole or positioned in the range of the main blanking hole, the powder in the main feeding hole falls into the weighing device through the main blanking hole, and when the auxiliary feeding hole is overlapped with the auxiliary blanking hole or positioned in the range of the auxiliary blanking hole, the powder in the auxiliary feeding hole falls onto the electromagnetic vibration feeder. Therefore, during each weighing, the main feeding hole firstly feeds most (more than 90 percent, such as 95 percent) of the required powder to the weighing device at one time, and then the electromagnetic vibration feeder supplements the balance, so that compared with the feeding of a single electromagnetic vibration feeder, the efficiency of each weighing is greatly improved. Before the main feeding hole formally feeds materials to the weighing device, in order to ensure that sufficient powder is on the electromagnetic vibration feeder, the electromagnetic vibration feeder operates for a period of time under the condition of only feeding materials through the auxiliary feeding hole. The electromagnetic vibratory feeder and the weighing machine are all commercially available products. The electromagnetic vibratory feeder continuously feeds small amounts of material to the scale by vibration. The weigher comprises a turnover cylinder, a weighing hopper and a discharging hopper, the feed falls into the weighing hopper, when the weight of the feed reaches a set weight, the turnover cylinder drives a valve at the bottom of the weighing hopper to turn over and open, and the feed is discharged through the discharging hopper.
A magnetic field press with multiple dies comprises a magnetic field press body, a weighing mechanism and a feeding mechanism;
the weighing mechanism comprises a charging bucket, a weighing device, an electromagnetic vibration feeder for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate and a horizontal moving plate, the horizontal moving plate is arranged on the horizontal fixed plate, and the lower end surface of a discharge pipe opening of the charging bucket is in contact with the upper surface of the horizontal moving plate; the horizontal moving plate is provided with a main feeding hole with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket and an auxiliary feeding hole with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket; the horizontal fixed plate is provided with a main blanking hole which has a size not smaller than that of the main feeding hole and is positioned above the feeding hole of the weighing device, and an auxiliary blanking hole which has a size not smaller than that of the auxiliary feeding hole and is positioned above the feeding side of the electromagnetic vibration feeder, the horizontal movable plate is driven (particularly driven by an air cylinder) to reciprocate, when the main feeding hole and the auxiliary feeding hole are covered by the end face of the discharge pipe orifice of the charging basket, the main feeding hole and the auxiliary feeding hole are filled with magnetic powder in the charging basket, when the main feeding hole is overlapped with the main blanking hole or positioned in the range of the main blanking hole, the magnetic powder in the main feeding hole falls into the weighing device through the main blanking hole, and when the auxiliary feeding hole is overlapped with the auxiliary blanking hole or positioned in the range of the auxiliary blanking hole, the magnetic powder in the auxiliary feeding hole falls onto the electromagnetic vibration feeder;
the feeding mechanism comprises a feeding bin, feeding sub-bins which are in one-to-one correspondence with the die cavities are arranged in the feeding bin, magnetic powder in each die cavity, which is weighed by the weighing mechanism, is respectively injected into each feeding sub bin, then the feeding bin is moved, and the magnetic powder in each feeding sub bin is filled into each die cavity.
The powder weighing mechanism provided by the invention adopts the combination of the disposable pull plate type main feeding and the electromagnetic vibration feeder to complement the feeding, greatly improves the accurate powder weighing efficiency compared with the feeding of the existing single electromagnetic vibration feeder, is suitable for the powder molding field of ceramics, hard alloy, metal structural members, ferrite magnetic materials and the like, is especially suitable for a one-die multi-magnetic-field press, and provides an efficiency guarantee for realizing accurate quantitative feeding of the one-die multi-magnetic-field press. Under the support of the powder weighing mechanism, the one-die multi-piece magnetic field press is changed from constant-volume feeding to quantitative feeding, and structurally, a feeding bin of a feeding mechanism is divided into a plurality of feeding sub-bins which correspond to all die cavities one by one, so that the structural support of the quantitative feeding is realized; the weight of the magnetic powder in each die cavity is ensured to be consistent, thereby saving the magnetic powder and reducing the cost.
Drawings
FIG. 1 is a schematic structural diagram of a powder weighing mechanism according to the present invention in a first operating state;
FIG. 2 is a schematic structural diagram of the powder weighing mechanism according to the second embodiment of the present invention;
fig. 3 is a schematic structural view of a multi-die magnetic field press according to embodiment 1 of the present invention in a working state;
fig. 4 is a schematic structural diagram of a multi-die magnetic field press according to embodiment 1 of the present invention in a second operating state;
FIG. 5 is a partial enlarged view of FIG. 3, showing the feed mechanism;
fig. 6 is a schematic structural view of a multi-die magnetic field press according to embodiment 2 of the present invention in a working state;
fig. 7 is a schematic structural diagram of a multi-die magnetic field press according to embodiment 2 of the present invention in a second operating state.
In the figure: 1-a feeding bin, 2-an electromagnetic vibrator, 3-a conveying pipeline, 4-a discharging nozzle, 5-an electric cylinder, 6-a charging bucket, 7-an electromagnetic vibration feeder, 8-a horizontal fixed plate, 9-a horizontal moving plate, 10-a main feeding hole, 11-an auxiliary feeding hole, 12-a main discharging hole, 13-an auxiliary discharging hole, 14-a turnover cylinder, 15-a weighing hopper, 16-a discharging hopper and 17-a horizontal guide plate.
Detailed Description
Example 1
A powder weighing mechanism comprises a charging basket 6, a weighing device, an electromagnetic vibration feeder 7 for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate 8 and a horizontal moving plate 9, wherein the horizontal moving plate 9 is arranged on the horizontal fixed plate 8, and the lower end surface of a discharge pipe opening of the charging bucket 6 is in contact with the upper surface of the horizontal moving plate 9; a main feeding hole 10 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 and an auxiliary feeding hole 11 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 are formed in the horizontal moving plate 9; the horizontal fixing plate 8 is provided with a main blanking hole 12 which is not smaller than the size of the main feeding hole 10 and is positioned above the feeding hole of the weighing device, and an auxiliary blanking hole 13 which is not smaller than the size of the auxiliary feeding hole 11 and is positioned above the feeding side of the electromagnetic vibration feeding device 7, the horizontal moving plate 9 is driven (specifically driven by an air cylinder) to reciprocate, when the main feeding hole 10 and the auxiliary feeding hole 11 are covered by the end face of the discharging pipe opening of the charging bucket 6, the main feeding hole 10 and the auxiliary feeding hole 11 are filled with the powder in the charging bucket 6, when the main feeding hole 10 is overlapped with the main blanking hole 12 or is positioned in the range of the main blanking hole 12, the powder in the main feeding hole 10 falls into the weighing device through the main blanking hole 12, and when the auxiliary feeding hole 11 is overlapped with the auxiliary blanking hole 13 or is positioned in the range of the auxiliary blanking hole 13, the powder in the auxiliary feeding hole 11 falls onto the electromagnetic vibration feeding device 7. Thus, during each weighing, the main feeding hole 10 firstly feeds most (more than 90%, for example, 95%) of the required powder to the weighing device at one time, and then the electromagnetic vibration feeder 7 makes up the balance, so that compared with the feeding of a single electromagnetic vibration feeder, the efficiency of each weighing is greatly improved. Before the main feeding hole 10 is fed to the weighing device, the electromagnetic vibration feeder 7 is operated for a certain time in a state of feeding only the auxiliary feeding hole 11 in order to ensure that sufficient powder is present on the feeder. The electromagnetic vibratory feeder 7 and the weigher are commercially available products. The electromagnetic vibratory feeder 7 feeds the scale continuously in small quantities by vibration. The weighing machine comprises a turnover cylinder 14, a weighing hopper 15 and a discharging hopper 16, the feeding material falls into the weighing hopper 15, when the feeding weight reaches the set weight, the turnover cylinder 14 drives a valve at the bottom of the weighing hopper 15 to turn over and open, and the feeding material is discharged through the discharging hopper 16.
A magnetic field press with multiple dies comprises a magnetic field press body, a weighing mechanism and a feeding mechanism;
the weighing mechanism comprises a charging basket 6, a weighing device, an electromagnetic vibration feeder 7 for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate 8 and a horizontal moving plate 9, wherein the horizontal moving plate 9 is arranged on the horizontal fixed plate 8, and the lower end surface of a discharge pipe opening of the charging bucket 6 is in contact with the upper surface of the horizontal moving plate 9; a main feeding hole 10 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 and an auxiliary feeding hole 11 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 are formed in the horizontal moving plate 9; a main blanking hole 12 which is not smaller than the size of the main feeding hole 10 and is positioned above the feeding hole of the weighing device and an auxiliary blanking hole 13 which is not smaller than the size of the auxiliary feeding hole 11 and is positioned above the feeding side of the electromagnetic vibration feeder 7 are formed in the horizontal fixing plate 8, the horizontal moving plate 9 is driven (specifically driven by an air cylinder) to reciprocate, when the main feeding hole 10 and the auxiliary feeding hole 11 are covered by the end face of a discharging pipe opening of the charging bucket 6, magnetic powder in the charging bucket 6 fills the main feeding hole 10 and the auxiliary feeding hole 11, when the main feeding hole 10 is overlapped with the main blanking hole 12 or is positioned in the range of the main blanking hole 12, the magnetic powder in the main feeding hole 10 falls into the weighing device through the main blanking hole 12, and when the auxiliary feeding hole 11 is overlapped with the auxiliary blanking hole 13 or is positioned in the range of the auxiliary blanking hole 13, the magnetic powder in the auxiliary feeding hole 11 falls onto the electromagnetic vibration feeder 7;
the feeding mechanism comprises a feeding bin 1, feeding sub-bins which correspond to the die cavities one by one are arranged in the feeding bin 1, magnetic powder in each die cavity weighed by the weighing mechanism is respectively injected into each feeding sub-bin, the feeding bin 1 is moved, and the magnetic powder in each feeding sub-bin is filled into each die cavity.
In specific implementation, the feeding bin 1 is fixed on the electromagnetic vibrator 2; each feeding sub-bin corresponds to one conveying pipeline 3, the bottom of each feeding sub-bin is communicated with one end of each conveying pipeline 3, and the other end of each conveying pipeline 3 is provided with a discharging nozzle 4. And moving the feeding bin 1 to enable the discharging nozzles 4 to be positioned right above the die cavities, and enabling the magnetic powder in each feeding sub-bin to enter each die cavity along the respective conveying pipeline 3 and the discharging nozzles 4 through the vibration of the electromagnetic vibrator 2. In order to realize the automatic control movement of the feeding bin 1, the electromagnetic vibrator 2 is fixed on the electric cylinder 5, and the electric cylinder 5 drives the electromagnetic vibrator 2 to further drive the feeding bin 1 to realize the automatic control movement. Furthermore, in order to save space, the cross section shapes and volumes of all the die cavities are the same and are arranged in a straight line; each feeding sub-bin is also arranged in a straight line shape, each feeding sub-bin is vertical to the corresponding conveying pipeline 3, and all the feeding sub-bins and the central lines of all the conveying pipelines 3 are in the same plane, so that each conveying pipeline 3 is arranged up and down, each feeding sub-bin is also divided into different depths, and the lowest feeding sub-bin is enough for putting down the magnetic powder with the required weight in each die cavity.
During specific implementation, the feeding bin 1 can be controlled to step below the discharging hopper 16 of the weighing device of the weighing mechanism, so that feeding to the feeding bins in the feeding bin 1 is realized in sequence.
Example 2
A powder weighing mechanism comprises a charging basket 6, a weighing device, an electromagnetic vibration feeder 7 for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate 8 and a horizontal moving plate 9, wherein the horizontal moving plate 9 is arranged on the horizontal fixed plate 8, and the lower end surface of a discharge pipe opening of the charging bucket 6 is in contact with the upper surface of the horizontal moving plate 9; a main feeding hole 10 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 and an auxiliary feeding hole 11 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 are formed in the horizontal moving plate 9; the horizontal fixing plate 8 is provided with a main blanking hole 12 which is not smaller than the size of the main feeding hole 10 and is positioned above the feeding hole of the weighing device, and an auxiliary blanking hole 13 which is not smaller than the size of the auxiliary feeding hole 11 and is positioned above the feeding side of the electromagnetic vibration feeding device 7, the horizontal moving plate 9 is driven (specifically driven by an air cylinder) to reciprocate, when the main feeding hole 10 and the auxiliary feeding hole 11 are covered by the end face of the discharging pipe opening of the charging bucket 6, the main feeding hole 10 and the auxiliary feeding hole 11 are filled with the powder in the charging bucket 6, when the main feeding hole 10 is overlapped with the main blanking hole 12 or is positioned in the range of the main blanking hole 12, the powder in the main feeding hole 10 falls into the weighing device through the main blanking hole 12, and when the auxiliary feeding hole 11 is overlapped with the auxiliary blanking hole 13 or is positioned in the range of the auxiliary blanking hole 13, the powder in the auxiliary feeding hole 11 falls onto the electromagnetic vibration feeding device 7. Thus, during each weighing, the main feeding hole 10 firstly feeds most (more than 90%, for example, 95%) of the required powder to the weighing device at one time, and then the electromagnetic vibration feeder 7 makes up the balance, so that compared with the feeding of a single electromagnetic vibration feeder, the efficiency of each weighing is greatly improved. Before the main feeding hole 10 is fed to the weighing device, the electromagnetic vibration feeder 7 is operated for a certain time in a state of feeding only the auxiliary feeding hole 11 in order to ensure that sufficient powder is present on the feeder. The electromagnetic vibratory feeder 7 and the weigher are commercially available products. The electromagnetic vibratory feeder 7 feeds the scale continuously in small quantities by vibration. The weighing machine comprises a turnover cylinder 14, a weighing hopper 15 and a discharging hopper 16, the feeding material falls into the weighing hopper 15, when the feeding weight reaches the set weight, the turnover cylinder 14 drives a valve at the bottom of the weighing hopper 15 to turn over and open, and the feeding material is discharged through the discharging hopper 16.
A magnetic field press with multiple dies comprises a magnetic field press body, a weighing mechanism and a feeding mechanism;
the weighing mechanism comprises a charging basket 6, a weighing device, an electromagnetic vibration feeder 7 for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate 8 and a horizontal moving plate 9, wherein the horizontal moving plate 9 is arranged on the horizontal fixed plate 8, and the lower end surface of a discharge pipe opening of the charging bucket 6 is in contact with the upper surface of the horizontal moving plate 9; a main feeding hole 10 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 and an auxiliary feeding hole 11 with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket 6 are formed in the horizontal moving plate 9; a main blanking hole 12 which is not smaller than the size of the main feeding hole 10 and is positioned above the feeding hole of the weighing device and an auxiliary blanking hole 13 which is not smaller than the size of the auxiliary feeding hole 11 and is positioned above the feeding side of the electromagnetic vibration feeder 7 are formed in the horizontal fixing plate 8, the horizontal moving plate 9 is driven (specifically driven by an air cylinder) to reciprocate, when the main feeding hole 10 and the auxiliary feeding hole 11 are covered by the end face of a discharging pipe opening of the charging bucket 6, magnetic powder in the charging bucket 6 fills the main feeding hole 10 and the auxiliary feeding hole 11, when the main feeding hole 10 is overlapped with the main blanking hole 12 or is positioned in the range of the main blanking hole 12, the magnetic powder in the main feeding hole 10 falls into the weighing device through the main blanking hole 12, and when the auxiliary feeding hole 11 is overlapped with the auxiliary blanking hole 13 or is positioned in the range of the auxiliary blanking hole 13, the magnetic powder in the auxiliary feeding hole 11 falls onto the electromagnetic vibration feeder 7;
the feeding mechanism comprises a feeding bin 1, feeding sub-bins which correspond to the die cavities one by one are arranged in the feeding bin 1, magnetic powder in each die cavity weighed by the weighing mechanism is respectively injected into each feeding sub-bin, the feeding bin 1 is moved, and the magnetic powder in each feeding sub-bin is filled into each die cavity.
During the concrete implementation, each reinforced branch storehouse in the feeding bin 1 is vertical through-hole, feeding bin 1 arranges in on the horizontal baffle 17 of fixing in magnetic field press mould upper end and makes the through-hole perpendicular with horizontal baffle 17, and feeding bin 1 is driven by the electric jar through the connecting rod and is made reciprocating motion along horizontal baffle 17, when feeding bin 1 moves to above the magnetic field press mould and each reinforced branch storehouse and each die cavity butt joint, magnetic gets into each die cavity.
During specific implementation, the feeding bin 1 can be controlled to step below the discharging hopper 16 of the weighing device of the weighing mechanism, so that feeding to the feeding bins in the feeding bin 1 is realized in sequence.
Claims (6)
1. A powder weighing mechanism is characterized by comprising a charging bucket (6), a weighing device, an electromagnetic vibration feeder (7) for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate (8) and a horizontal moving plate (9), the horizontal moving plate (9) is arranged on the horizontal fixed plate (8), and the lower end face of a discharge pipe opening of the charging bucket (6) is in contact with the upper surface of the horizontal moving plate (9); a main feeding hole (10) with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket (6) and an auxiliary feeding hole (11) with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket (6) are formed in the horizontal moving plate (9); a main blanking hole (12) which has the size not smaller than that of the main feeding hole (10) and is positioned above the feeding hole of the weighing machine is arranged on the horizontal fixing plate (8), and an auxiliary blanking hole (13) which is not smaller than the auxiliary feeding hole (11) in size and is positioned above the feeding side of the electromagnetic vibration feeder (7), the horizontal moving plate (9) is driven to reciprocate, when the main feeding hole (10) and the auxiliary feeding hole (11) are covered by the end face of the discharge pipe mouth of the charging basket (6), the powder in the charging basket (6) is filled in the main feeding hole (10) and the auxiliary feeding hole (11), when the main feeding hole (10) is overlapped with the main blanking hole (12) or is positioned in the range of the main blanking hole (12), the powder in the main feeding hole (10) falls into the weighing device through the main blanking hole (12), when the auxiliary feeding hole (11) is overlapped with the auxiliary blanking hole (13) or is positioned in the range of the auxiliary blanking hole (13), the powder in the auxiliary feeding hole (11) falls on the electromagnetic vibration feeder (7).
2. The magnetic field press comprises a magnetic field press body, a weighing mechanism and a feeding mechanism; it is characterized in that the preparation method is characterized in that,
the weighing mechanism comprises a charging basket (6), a weighing device, an electromagnetic vibration feeder (7) for feeding materials to the weighing device, and a pull plate type feeder for feeding materials to the weighing device; the pulling plate type feeder comprises a horizontal fixed plate (8) and a horizontal moving plate (9), the horizontal moving plate (9) is arranged on the horizontal fixed plate (8), and the lower end face of a discharge pipe opening of the charging bucket (6) is in contact with the upper surface of the horizontal moving plate (9); a main feeding hole (10) with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket (6) and an auxiliary feeding hole (11) with the size not larger than the size of the end face of the discharging pipe opening of the charging bucket (6) are formed in the horizontal moving plate (9); a main blanking hole (12) which has the size not smaller than that of the main feeding hole (10) and is positioned above the feeding hole of the weighing machine is arranged on the horizontal fixing plate (8), and an auxiliary blanking hole (13) which is not smaller than the auxiliary feeding hole (11) in size and is positioned above the feeding side of the electromagnetic vibration feeder (7), the horizontal moving plate (9) is driven to reciprocate, when the main feeding hole (10) and the auxiliary feeding hole (11) are covered by the end face of the discharge pipe mouth of the charging basket (6), the main feeding hole (10) and the auxiliary feeding hole (11) are filled with magnetic powder in the charging basket (6), when the main feeding hole (10) is overlapped with the main blanking hole (12) or is positioned in the range of the main blanking hole (12), the magnetic powder in the main feeding hole (10) falls into the weighing device through the main blanking hole (12), when the auxiliary feeding hole (11) is overlapped with the auxiliary blanking hole (13) or is positioned in the range of the auxiliary blanking hole (13), the magnetic powder in the auxiliary feeding hole (11) falls on the electromagnetic vibration feeder (7);
the feeding mechanism comprises a feeding bin (1), wherein feeding sub-bins which correspond to the die cavities one by one are arranged in the feeding bin (1), magnetic powder in each die cavity weighed by the weighing mechanism is respectively injected into each feeding sub-bin, the feeding bin (1) is moved, and the magnetic powder in each feeding sub-bin is filled into each die cavity.
3. The one-die-multiple-piece magnetic field press as claimed in claim 2, wherein the feed bin (1) is fixed to the electromagnetic vibrator (2); each feeding sub-bin corresponds to one conveying pipeline (3), the bottom of each feeding sub-bin is communicated with one end of each conveying pipeline (3), and the other end of each conveying pipeline (3) is provided with a discharging nozzle (4).
4. A multi-piece magnetic field press as claimed in claim 3 wherein the electromagnetic vibrator (2) is fixed to the electric cylinder (5).
5. The one-mold multi-piece magnetic field press of claim 4, wherein the mold cavities are of the same cross-sectional shape and volume and are arranged in a straight line; each feeding sub-bin is also arranged in a straight line shape, each feeding sub-bin is vertical to the corresponding conveying pipeline (3), and all the feeding sub-bins and all the conveying pipelines (3) are in the same plane, so that each conveying pipeline (3) is arranged up and down, each feeding sub-bin is also divided into different depths, and the lowest feeding sub-bin is enough for putting down the magnetic powder with the required weight in each die cavity.
6. A multi-piece magnetic field press as claimed in claim 2 wherein each feed sub-bin in the feed bin (1) is a vertical through hole, the feed bin (1) is positioned on a horizontal guide plate (17) fixed to the upper end of the magnetic field press die such that the through hole is perpendicular to the horizontal guide plate (17), the feed bin (1) is driven by an electric cylinder via a connecting rod to reciprocate along the horizontal guide plate (17), and when the feed bin (1) is moved above the magnetic field press die and each feed sub-bin is butted against each die cavity, magnetic powder enters each die cavity.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632931A (en) * | 2022-03-22 | 2022-06-17 | 江西开源自动化设备有限公司 | One-die multi-piece magnetic field press and feeding method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004130333A (en) * | 2002-10-09 | 2004-04-30 | Kohtaki Seiki Kk | Multi-cavity compacting press |
| CN1575409A (en) * | 2001-11-06 | 2005-02-02 | 大和制衡株式会社 | Volumetric feeder for powder or granular material and combination balance powder and granular material |
| CN203975244U (en) * | 2014-07-25 | 2014-12-03 | 北京翰林航宇科技发展股份公司 | A kind of counting grain machine device for transporting objects |
| CN104176282A (en) * | 2014-07-25 | 2014-12-03 | 北京翰林航宇科技发展股份公司 | Material conveying device of grain counter |
| CN204201925U (en) * | 2014-10-24 | 2015-03-11 | 浙江金圆水泥有限公司 | A kind of coal dust calcining conveying device |
| CN205437133U (en) * | 2016-03-18 | 2016-08-10 | 内蒙古科元胜力金山稀土科技有限公司 | Tombarthite permanent magnetism powder is accurate to be supplied powder and send powder system of feeding |
| CN106001555A (en) * | 2016-07-13 | 2016-10-12 | 孔庆虹 | Magnetic field powder forming method and device |
| CN106079550A (en) * | 2016-06-21 | 2016-11-09 | 孔庆虹 | A kind of powder quantifying feed method and device |
| CN106623913A (en) * | 2016-12-09 | 2017-05-10 | 上海平野磁气有限公司 | Servo-type feeding device of one-die multi-output magnetic powder molding press |
| CN208064174U (en) * | 2018-03-05 | 2018-11-09 | 徐守财 | A kind of pig raising feeder of controllable load |
| CN209177612U (en) * | 2018-10-23 | 2019-07-30 | 绵阳南洋科技有限公司 | A kind of medicinal powder particle blanking equipment |
| CN210914464U (en) * | 2019-10-25 | 2020-07-03 | 宁波和利时智能科技有限公司 | Variable discharge machine |
| CN113103658A (en) * | 2021-04-22 | 2021-07-13 | 南通铭烽液压机械制造有限公司 | Automatic powder weighing device of full-automatic multi-station electronic dry powder hydraulic press |
| CN213894080U (en) * | 2020-12-23 | 2021-08-06 | 北京远东加大科技发展有限公司 | Novel pull formula activation vibrating feeder |
-
2022
- 2022-03-22 CN CN202210280393.0A patent/CN114526798B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575409A (en) * | 2001-11-06 | 2005-02-02 | 大和制衡株式会社 | Volumetric feeder for powder or granular material and combination balance powder and granular material |
| JP2004130333A (en) * | 2002-10-09 | 2004-04-30 | Kohtaki Seiki Kk | Multi-cavity compacting press |
| CN203975244U (en) * | 2014-07-25 | 2014-12-03 | 北京翰林航宇科技发展股份公司 | A kind of counting grain machine device for transporting objects |
| CN104176282A (en) * | 2014-07-25 | 2014-12-03 | 北京翰林航宇科技发展股份公司 | Material conveying device of grain counter |
| CN204201925U (en) * | 2014-10-24 | 2015-03-11 | 浙江金圆水泥有限公司 | A kind of coal dust calcining conveying device |
| CN205437133U (en) * | 2016-03-18 | 2016-08-10 | 内蒙古科元胜力金山稀土科技有限公司 | Tombarthite permanent magnetism powder is accurate to be supplied powder and send powder system of feeding |
| CN106079550A (en) * | 2016-06-21 | 2016-11-09 | 孔庆虹 | A kind of powder quantifying feed method and device |
| CN106001555A (en) * | 2016-07-13 | 2016-10-12 | 孔庆虹 | Magnetic field powder forming method and device |
| CN106623913A (en) * | 2016-12-09 | 2017-05-10 | 上海平野磁气有限公司 | Servo-type feeding device of one-die multi-output magnetic powder molding press |
| CN208064174U (en) * | 2018-03-05 | 2018-11-09 | 徐守财 | A kind of pig raising feeder of controllable load |
| CN209177612U (en) * | 2018-10-23 | 2019-07-30 | 绵阳南洋科技有限公司 | A kind of medicinal powder particle blanking equipment |
| CN210914464U (en) * | 2019-10-25 | 2020-07-03 | 宁波和利时智能科技有限公司 | Variable discharge machine |
| CN213894080U (en) * | 2020-12-23 | 2021-08-06 | 北京远东加大科技发展有限公司 | Novel pull formula activation vibrating feeder |
| CN113103658A (en) * | 2021-04-22 | 2021-07-13 | 南通铭烽液压机械制造有限公司 | Automatic powder weighing device of full-automatic multi-station electronic dry powder hydraulic press |
Non-Patent Citations (2)
| Title |
|---|
| 朱强;尹二伟;史慧芳;石义官;: "金属粉末在线称量及旋压成型工艺装备技术", 兵工自动化, no. 07 * |
| 李志华: "在配料称量系统中使用的喂料设备", 工程塑料应用, no. 02 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632931A (en) * | 2022-03-22 | 2022-06-17 | 江西开源自动化设备有限公司 | One-die multi-piece magnetic field press and feeding method thereof |
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