CN103662860B - A kind of Full automatic quantitative powder charging gear - Google Patents

A kind of Full automatic quantitative powder charging gear Download PDF

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Publication number
CN103662860B
CN103662860B CN201310738801.3A CN201310738801A CN103662860B CN 103662860 B CN103662860 B CN 103662860B CN 201310738801 A CN201310738801 A CN 201310738801A CN 103662860 B CN103662860 B CN 103662860B
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hopper
casing
feed pipe
sensor
metering device
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CN103662860A (en
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邓聚金
曾玲娟
龚斌
龙厚炳
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Qian Dong Lanthanide Group Ltd Co
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Qian Dong Lanthanide Group Ltd Co
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Abstract

The present invention relates to a kind of Full automatic quantitative powder charging gear, comprise casing, vibrating material feeding device, meausring apparatus and pay-off: its special character is that described vibrating material feeding device comprises charging basket, feed pipe, hopper and vibra feeder; Charging basket is arranged on above casing, and feed pipe one end connects with charging basket lower outlet end, and the other end enters box house by the perforate above casing, and feed pipe tube wall is equipped with sensor, and sensor is controlled by PLC; Have hopper below feed pipe, hopper is arranged on vibra feeder; Described meausring apparatus is positioned at the below of hopper outlet, and pay-off is positioned at the below of meausring apparatus.The invention provides one have delivery rate fast, weigh Full automatic quantitative powder charging gear accurately.

Description

A kind of Full automatic quantitative powder charging gear
Technical field
The present invention relates to a kind of Full automatic quantitative powder charging gear.
Background technology
The discharging opening of the hopper of current Full automatic quantitative powder charging gear is not placed obstacles thing, make during blanking, to can not do trace to regulate, the bad control of error of weight, and hopper semicircular in shape or flat scale shape, arrange cylinder below to be overturn, because cylinder does straight-line motion, the limited angle of hopper upset, easily cause lower powder unclean, thus affect weighing precision.In a word, delivery rate is slow, it is accurate to weigh, and cannot reach blanking when trace regulates powder and hopper upset blanking clean, can produce accumulated powder and leak powder phenomenon.
Especially full-automatic magnetic powder molding press is mainly used as the powder compacting making of magnetic material, and realize automatic, efficient and shaping manufacture accurately, the precision of dosing and speed are particularly crucial.The viscosity of rare-earth magnetic powder is large, and the order number of particle is high, easily forms block, and even some chance oxygen is inflammable, adds difficulty to the automatical and efficient compressing of powder.Through retrieval Patent documents of interest, published patent structure is complicated, and operation is many, can not solve efficient feed and the inflammable problem of powder, and charging gear unsealing, because powder flies upward, easily causes press internal contamination, shortens parts service life.
Summary of the invention
The present invention for the technical matters existed in known technology and provide one have delivery rate fast, weigh Full automatic quantitative powder charging gear accurately, and the metering device being used in full-automatic magnetic powder molding press of safety.
For achieving the above object, the present invention realizes like this.
A kind of Full automatic quantitative powder charging gear, comprises casing, vibrating material feeding device, meausring apparatus and pay-off: its special character is that described vibrating material feeding device comprises charging basket, feed pipe, hopper and vibra feeder; Charging basket is arranged on above casing, and feed pipe one end connects with charging basket lower outlet end, and the other end enters box house by the perforate above casing, and feed pipe tube wall is equipped with first sensor, and first sensor is controlled by PLC; Have hopper below feed pipe, hopper is arranged on vibra feeder.
Described meausring apparatus is positioned at the below of hopper outlet, and described meausring apparatus comprises the turning device of hopper, LOAD CELLS, support, the second sensor, the upset of control hopper; Hopper is in hopper outlet below, and hopper is by stent support, and support is fixed in LOAD CELLS; Second sensor is located on support; Hopper is connected with its turning device overturning blanking of driving; LOAD CELLS and the second sensor are controlled by PLC.
Described pay-off is positioned at the below of meausring apparatus, and described pay-off comprises a funnel, and funnel is fixed on supporting plate, and hopper feed mouth is facing to hopper discharging end, and the lower outlet of funnel is stretched out outside casing by perforate below casing.
Bed of material regulating control is also equipped with in described feed pipe port.Described vibrating material feeding device also comprises baffle plate, and hopper is provided with baffle plate inside exit, and baffle plate is fixed on guide cylinder, and guide cylinder is controlled by PLC; Described hopper exit end is slightly downward-sloping.
Described turning device comprises hopper returning face plate and hinge; The below of hopper discharging end is provided with hinge, and the corresponding position of hinge one end is provided with hopper returning face plate, and the hopper returning face plate other end connects upset cylinder, and upset cylinder is controlled by PLC; Described hinge one end is U-shaped, and U-shaped end is embedded with the hopper returning face plate do not contacted mutually.The discharging end of described hopper and horizontal surface form acute angle.
Described casing is seal case; The elastic corrugated seal of tube is established in described charging basket and casing junction; Under described funnel, exit cover has discharging opening, and discharging opening is fixed on lifter plate, is connected between lifter plate with casing by the elastic corrugated seal of tube, and Pneumatic gate valve is equipped with in discharging opening exit.
Beneficial effect
1, bed of material regulating control 5 is equipped with in feed pipe 8 port of vibrating material feeding device, have below feed pipe 8 and accept hopper 4, hopper 4 is arranged on vibra feeder, hopper 4 exit end is slightly downward-sloping, hopper 4 is provided with baffle plate 2 inside exit, make powder on hopper 4 in laminar flow to outlet, overcome powder poor fluidity, susceptible to plugging adverse effect, realizes powder evenly, at a high speed and controllably flow into meausring apparatus.
2, the hopper 22 of meausring apparatus exports below at hopper 8, hopper 22 is arranged in LOAD CELLS 12, being provided with an one end below hopper 22 is U-shaped hinge 27, U-shaped place is embedded with hopper returning face plate 26, but both do not contact with each other, ensure that the precision of weighing, when returning face plate 26 overturns, touch hinge 27U type place, thus drive hopper 22 overturning, realize rotary motion and on-rectilinear movement; Discharging end and the horizontal surface of upset front hopper 22 form acute angle, overturn rear hopper 22 discharging end can with horizontal plane, in a word, make powder all pour pay-off into, not accumulated powder, do not leak powder.
3, charging basket 6 and casing 1 junction establish elastic bellows 7 to seal; Between the funnel 21 of pay-off and discharging opening 17, bellows 19 is housed, namely sealed by elastic bellows 19 between lifter plate 18 with casing 1 and be connected, exit, discharging opening 17 lower end is provided with Pneumatic gate valve 16, arrange bellows 19 not only to seal but also discharging opening about 17 can be allowed to move linearly, Pneumatic gate valve 16 allows casing 1 be in sealing state, under the powder in guarantee casing is in hypoxia all the time.
Accompanying drawing explanation
Fig. 1 is integral structure front view schematic diagram of the present invention.
Fig. 2 is the structural representation that the present invention weighs rear hopper upset feeding.
Fig. 3 is integral structure lateral plan schematic diagram of the present invention.
Wherein: 1-casing, 2-baffle plate, 3-guide cylinder, 4-hopper, 5-bed of material regulating control, 6-charging basket, 7-elastic bellows, 8-feed pipe, 9-first sensor, 10-vibra feeder, 12-LOAD CELLS, 13-support, 14-turning device, 15-second sensor, 16-Pneumatic gate valve, 17-discharging opening, 18-lifter plate, 19-elastic bellows, 20-supporting plate, 21-funnel, 22-hopper, 23-overturns cylinder, 26-hopper returning face plate, 27-hinge.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 and Fig. 3,
Embodiment 1
A kind of Full automatic quantitative powder charging gear, be applicable to the powder without the need to seal operation, comprise casing 1, vibrating material feeding device, meausring apparatus and pay-off, described vibrating material feeding device comprises charging basket 6, feed pipe 8, hopper 4, baffle plate 2 and vibra feeder 10; Charging basket 6 is arranged on above casing 1, feed pipe 8 one end connects with charging basket 6 lower outlet end, it is inner that the other end enters casing 1 by the perforate above casing 1, and bed of material regulating control 5 is equipped with in feed pipe 8 port, feed pipe 8 tube wall is equipped with the first sensor 9 for whether there being powder in detector tube; Have hopper 4 below feed pipe 8, hopper 4 is arranged on vibra feeder 10, and hopper 4 exit end is slightly downward-sloping.Hopper 4 is provided with baffle plate 2 inside exit, and baffle plate 2 is fixed on guide cylinder 3, and guide cylinder 3 is fixed on casing 1; First sensor 9 and guide cylinder 3 are controlled by PLC; Described meausring apparatus is positioned at the below that hopper 4 exports, and pay-off is positioned at the below of meausring apparatus.
Meausring apparatus and pay-off, except adopting except prior art, can also adopt following structure: meausring apparatus comprise hopper 22, LOAD CELLS 12, support 13, for detect hopper 22 state the second sensor 15, control hopper 22 overturn turning device 14; Hopper 22 is immediately below hopper 4 exports, and hopper 22 is supported by support 13, and the discharging end of hopper 22 and horizontal surface form acute angle, and support 13 is fixed in LOAD CELLS 12, and LOAD CELLS 12 is controlled by PLC; The second sensor 15 for detecting hopper 22 state to be located on support 13 and to be controlled by PLC; Hopper 22 is connected with its turning device 14 overturning blanking of driving, and turning device 14 comprises hopper returning face plate 26 and hinge 27; It is U-shaped hinge 27 that the below of hopper 22 blanking side is provided with an one end, and U-shaped end is embedded with the hopper returning face plate 26 do not contacted mutually, and hopper returning face plate 26 other end connects upset cylinder 23, and upset cylinder 23 is fixed in casing 1; Upset cylinder 23 is controlled by PLC.
Pay-off comprises a funnel 21, and funnel 21 is fixed on supporting plate 20, and funnel 21 inlet point faces hopper 22 discharging end, and funnel 21 times outlets are stretched out outside casing by perforate below casing 1.
Embodiment 2
Be used in the metering device of full-automatic magnetic powder molding press, comprise casing 1, vibrating material feeding device, meausring apparatus and pay-off, casing 1 is seal case, and described vibrating material feeding device comprises charging basket 6, feed pipe 8, hopper 4, baffle plate 2 and vibra feeder 10; Charging basket 6 is arranged on above casing 1, and described charging basket 6 is sealed by an elastic bellows 7 with casing 1 junction, and seal between the two, casing 1 forms cuboid by section bar, and upper and lower surface steel plate seals, and surrounding transparent material seals, to observe powder weighing situation; Feed pipe 8 one end connects with charging basket 6 lower outlet end, and it is inner that the other end enters casing 1 by the perforate above casing 1, and bed of material regulating control 5 is equipped with in feed pipe 8 port, feed pipe 8 tube wall is equipped with the first sensor 9 for whether there being powder in detector tube; Have hopper 4 below feed pipe 8, hopper 4 is arranged on vibra feeder 10, and hopper 4 exit end is slightly downward-sloping.Hopper 4 is provided with baffle plate 2 inside exit, and baffle plate 2 is fixed on guide cylinder 3, and guide cylinder 3 is fixed on casing 1; First sensor 9 and guide cylinder 3 control by PLC; Adjusted the thickness of the powder bed of material by bed of material regulating plate 5, it be that stratiform carry towards the outlet of hopper 4 that vibra feeder 10 is used as powder, reach a certain amount of after, guide cylinder 3 drives powder baffle plate 2 downward, does micro-adjustment and makes weighing more accurate.Described meausring apparatus is positioned at the below that hopper 4 exports, and pay-off is positioned at the below of meausring apparatus.Bed of material regulating control 5 is equipped with in feed pipe 8 port of vibrating material feeding device dress, have below feed pipe 8 and accept hopper 4, hopper 4 is arranged on vibra feeder 10, exit end is slightly downward-sloping, be provided with baffle plate 2 inside exit, make powder on hopper 4 in laminar flow to outlet, overcome powder poor fluidity, susceptible to plugging adverse effect, realizes powder evenly, at a high speed and controllably flow into meausring apparatus.
Meausring apparatus comprise hopper 22, LOAD CELLS 12, support 13, for detect hopper 22 state the second sensor 15, control hopper 22 overturn turning device 14; Hopper 22 is immediately below hopper 4 exports, and hopper 22 is supported by support 13, and the discharging end of hopper 22 and horizontal surface form acute angle, support 13 is fixed in LOAD CELLS 12, LOAD CELLS 12 is controlled by PLC, and LOAD CELLS 12 responds to the weight of powder in hopper 22, by data feedback to PLC; The second sensor 15 for detecting hopper 22 state to be located on support and to be controlled by PLC, for detect hopper 22 state the second sensor 15 by the feedback of status of hopper 22 to PLC; Hopper 22 is connected with its turning device 14 overturning blanking of driving, and turning device 14 comprises hopper returning face plate 26 and hinge 27; It is U-shaped hinge 27 that the below of hopper 22 blanking side is provided with an one end, and U-shaped end is embedded with the hopper returning face plate 26 do not contacted mutually, and hopper returning face plate 26 other end connects upset cylinder 23, and upset cylinder 23 is controlled by PLC; During work, hopper returning face plate 26 contacts with the U-shaped place of hinge 27, thus drives hopper 22 to overturn, and hopper 22 goes to 90 degree; During weighing, hopper returning face plate 26 and both hinges 27 do not contact with each other, and ensure that the precision of weighing, touch the U-shaped place of hinge, thus drive hopper overturning, make powder all pour pay-off into, not accumulated powder, do not leak powder during returning face plate upset.
Pay-off comprises a funnel 21, and funnel 21 is fixed on supporting plate 20, and funnel 21 inlet point faces hopper 22 discharging end, and funnel 21 times outlets are stretched out outside casing 1 by perforate below casing 1; Funnel 21 times exit covers have a discharging opening 17, discharging opening 17 is fixed on lifter plate 18, sealed by another elastic bellows 19 between lifter plate 18 with casing 1 and be connected, namely between funnel 21 and discharging opening 17, elastic bellows 19 is housed, Pneumatic gate valve 16 is equipped with in exit, discharging opening 17 lower end.Be in sealing state in casing 1, and oxygen content detector is housed, be filled with inert protective gas (as nitrogen), complete closed system controls inert gas environment makes rare-earth magnetic be oxidized; Arrange elastic bellows 19 not only to seal but also discharging opening about 17 can be allowed to move linearly, Pneumatic gate valve 16 allows casing 1 be in sealing state, under the powder in guarantee casing 1 is in hypoxia all the time.
Principle of work of the present invention is as follows: refer to Fig. 1, Fig. 2 and Fig. 3, the rare-earth magnetic powder of charging basket 6 drops into hopper 4 by feed pipe 8, powder first sensor 9 whether is had to sense signal feedback after powder to PLC in detector tube, vibra feeder 10 starts, powder is carried to the outlet of hopper 4 from level to level through bed of material regulating control 5, drop in hopper 22, LOAD CELLS 12 is weighed, the weight of powder is fed back to PLC, when the powder of hopper 22 is close to aequum, guide cylinder 3 drives powder baffle plate 2 downward, a small amount of powder is made to continue to drop in hopper 22, trace regulates and makes weighing more accurate, after powder weight reaches aequum, vibra feeder 10 shuts down, upset cylinder 23 drives hopper returning face plate 26, hopper returning face plate 26 contacts with the U-shaped place of hinge 27, driven drive hopper 22 overturns, hopper 22 goes to 90 degree, the feedback of status overturn by hopper 22 for the second sensor 15 detecting hopper 22 state is to PLC, then discharging opening 17 is made to move down, make Pneumatic gate valve 16 open the outlet of discharging opening 17 simultaneously, thus powder falls.After powder feeding terminates, discharging opening 17 moves up reset, and meanwhile, hopper 22, Pneumatic gate valve 16 and powder baffle plate 2 also set back, the technique of the dosing that so circulated.

Claims (10)

1. a Full automatic quantitative powder charging gear, comprises casing (1), vibrating material feeding device, meausring apparatus and pay-off, it is characterized in that:
Described vibrating material feeding device comprises charging basket (6), feed pipe (8), hopper (4) and vibra feeder (10); Charging basket (6) is arranged on casing (1) top, feed pipe (8) one end connects with charging basket (6) lower outlet end, it is inner that the other end enters casing (1) by the perforate of casing (1) top, feed pipe (8) tube wall is equipped with first sensor (9), first sensor (9) is controlled by PLC; There is hopper (4) feed pipe (8) below, and hopper (4) is arranged on vibra feeder (10);
Described meausring apparatus is positioned at the below that hopper (4) exports, and described meausring apparatus comprises hopper (22), LOAD CELLS (12), support (13), the second sensor (15), controls hopper (22) turning device (14) that overturns; Hopper (22) is in hopper (4) outlet below, and hopper (22) is supported by support (13), and support (13) is fixed in LOAD CELLS (12); Second sensor (15) is located on support (13); Hopper (22) is connected with its turning device (14) overturning blanking of driving; LOAD CELLS (12) and the second sensor (15) are controlled by PLC;
Pay-off is positioned at the below of meausring apparatus, described pay-off comprises a funnel (21), funnel (21) is fixed on supporting plate (20), funnel (21) inlet point, facing to hopper (22) discharging end, is exported under funnel (21) and is stretched out outside casing by casing (1) below perforate.
2. metering device as claimed in claim 1, is characterized in that: bed of material regulating control (5) is also equipped with at described feed pipe (8) lower port place.
3. metering device as claimed in claim 1, it is characterized in that: described vibrating material feeding device also comprises baffle plate (2), baffle plate (2) is provided with inside hopper (4) exit, baffle plate (2) is fixed on guide cylinder (3), and guide cylinder (3) is controlled by PLC.
4. metering device as claimed in claim 3, is characterized in that: described hopper (4) exit end is slightly downward-sloping.
5. metering device as claimed in claim 1, is characterized in that: described turning device (14) comprises hopper returning face plate (26) and hinge (27); The below of hopper (22) discharging end is provided with hinge (27), the corresponding position of hinge (27) one end is provided with hopper returning face plate (26), hopper returning face plate (26) other end connects upset cylinder (23), and upset cylinder (23) is controlled by PLC.
6. metering device as claimed in claim 5, is characterized in that: described hinge (27) one end is U-shaped, and U-shaped end is embedded with the hopper returning face plate (26) do not contacted mutually.
7. metering device as claimed in claim 1, is characterized in that: discharging end and the horizontal surface of described hopper (22) form acute angle.
8. the metering device as described in as arbitrary in claim 1-7, is characterized in that: described casing (1) is seal case.
9. metering device as claimed in claim 8, is characterized in that: described charging basket (6) and casing (1) junction establish elastic bellows (7) to seal.
10. metering device as claimed in claim 1, it is characterized in that: under described funnel (21), exit cover has discharging opening (17), discharging opening (17) is fixed on lifter plate (18), sealed by elastic bellows (19) between lifter plate (18) with casing (1) and be connected, Pneumatic gate valve (16) is equipped with in discharging opening (17) exit.
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CN203638779U (en) * 2013-12-29 2014-06-11 赣州虔东稀土集团股份有限公司 Full automatic quantitative powder feeding device

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