CN100486868C

CN100486868C - Metering and separate loading machine for bulk material

Info

Publication number: CN100486868C
Application number: CNB200510047416XA
Authority: CN
Inventors: 张歌今
Original assignee: 张歌今
Current assignee: Jinzhou Qiaopai Machinery Co.,Ltd.
Priority date: 2005-10-12
Filing date: 2005-10-12
Publication date: 2009-05-13
Anticipated expiration: 2025-10-12
Also published as: CN1749108A

Abstract

The bulk material metering and packing machine has high metering precision, high efficiency and low cost. The bulk material metering and packing machine of the present invention includes frame, material bin fixed onto the frame, and metering bin connected via weighing sensor to the frame; and features the initial metering bin set between the material bin and the metering bin and the vibrating material adder, which is installed on the frame and connected with the material bin to add material to the metering bin and comprises material adding bin and vibrator. The present invention fuses volumetric metering and weighing integrally, has initial metering bin for primary metering and vibrating metering weigher to obtain target weight fast, so that the present invention has high metering and packing speed, high work efficiency and high metering precision.

Description

Metering and separate loading machine for bulk material

Technical field

The invention belongs to a kind of package packing machine, particularly a kind of metering and separate loading machine for bulk material.

Background technology

Bulk material wrapping machine of the prior art mainly is divided into two types, and a kind of is the volumetric metering wrapping machine, and another kind is the meterage in weighting wrapping machine.The volumetric metering wrapping machine utilizes container that material is measured, the meterage in weighting wrapping machine measures material with weighting apparatus, difference according to weighting apparatus, it can be divided into the sensor-type metering packaging machine of mechanical lever-type metering packaging machine and gravity again, and the meterage in weighting wrapping machine is mainly used in the material that needs accurate measurement.

Chinese patent ZL02275328.1 discloses a kind of " vertical full automaticity granule materials wrapping machine ", this machine is a kind of volumetric metering wrapping machine, it adopts vertical structure, mainly is made up of frame, storage bin hopper, measuring cup, material-falling hopper, feed sleeve and enclosed mechanism etc.Measuring cup is a cylindrical shape, and adopts the telescopic structure of two graduated cylinder suits, and its volume is adjustable, and measuring cup has two, is reciprocating type two station feed, and adopts air cylinder driven.The subject matter that this machine exists is, 1, because its measuring cup is a cylindrical shape, and the backward down stockpile that forms of bulk material is conical, thereby material enters behind the columnar measuring cup easily at an upper portion thereof that the edge forms the space, and promptly the blanking dead angle appears in the upper edge at measuring cup, that is to say, if the material in the storage bin hopper is less, measuring cup will occur adorning discontented phenomenon, thus cause measuring inaccurate.2, because it adopts the adjustable measuring cup of volume as final measurement instrument, thereby metering error is bigger, and its error is up to ± 1%, so can't satisfy the requirement of the more and more higher accurate measurement of people.

Chinese patent ZL00231710.9 discloses a kind of " automation grain metering packaging machine ", this machine is a kind of meterage in weighting wrapping machine, it is mainly waited until and is constituted by frame, elevator conveyer, storage bin hopper, weighing hopper, can bucket, gunnysack clamping mechanism, sewing machine, and LOAD CELLS is installed on weighing hopper, thick, thin blowing gate valve is installed in the bottom of storage bin hopper, control its action by the gate valve cylinder, the gate valve cylinder comes the control sluice valve events according to the signal of detecting device feedback.During packing, thick, thin before this blowing gate valve is all opened, when the material in the weighing hopper reach setting value 85% the time, close extensive material gate valve, reduce the flow of material, material slowly flows into weighing hopper by thin blowing gate valve, when reaching target value set, close thin blowing gate valve again, improve the precision of metering with this.The subject matter that this metering packaging machine exists is: 1, packing speed is slow, efficient is low, because thin blowing gate valve is to move according to the signal that detecting device feeds back, for the accuracy that guarantees to measure, the speed of material inflow weighing hopper just can not be too fast, therefore, work efficiency is lower.2, metering is inaccurate, the mode blanking that this machine adopts material to flow into naturally, and material usually can exist and takes doming effect; and in many cases, the quality of material and distribution are uneven; so; naturally inflow is difficult to guarantee the blanking velocity uniformity, thereby, in the moment that thin blowing gate valve is closed; how much can't predicting accurately and control of blanking; thereby, being difficult to realize accurate measurement, the heavy qualification rate of bag is not high.3, gate valve opening and closing device complex structure, and adopt pneumatics to realize, thereby the manufacturing cost of complete machine is higher.

Summary of the invention

The technical problem to be solved in the present invention is, overcome poor, the problems such as efficient is low, manufacturing cost height of measuring accuracy that existing bulk material wrapping machine exists, provide a kind of elder generation tentatively to measure, then add scale rapidly, measure metering and separate loading machine for bulk material accurate, with low cost, high efficiency.

The present invention includes frame, storage bin hopper and measuring chute, storage bin hopper is fixed on the frame, measuring chute is connected with frame by LOAD CELLS, its special character is, amount storehouse just is housed between storage bin hopper and measuring chute, just the variable in amount storehouse should be less than standard value 1～10%, on frame, be equipped with storage bin hopper and link, add the oscillatory type of scale to measuring chute and add scale device, described oscillatory type is added scale device by adding weigh hopper and oscillatory system constitutes, utilize first amount storehouse that material is tentatively measured, utilize oscillatory type to add scale device again and add scale, realize the quick accurate measurement of material.

At storage bin hopper, just plate is equipped with in the exit of measuring storehouse and measuring chute, and plate is connected with reciprocating motor, drives the plate motion by reciprocating motor, opens or closes storage bin hopper, just measures the outlet of storehouse and measuring chute.

Described amount just storehouse is that fixed type is just measured the storehouse or variable displacement type is just measured the storehouse, to adapt to different demands.

Described fixed type is just measured storehouse and variable displacement type and is just measured the storehouse and be obliquely installed, and to eliminate the blanking dead angle, makes preliminary metering more accurate.

The invention has the advantages that:

1, volumetric metering and meterage in weighting are combined together, utilize first amount storehouse that material is tentatively measured, make the weight quick approach of material set variable, utilize oscillatory type to add scale device again and add materials, make its standard value that reaches packing rapidly for measuring chute, thereby, the present invention has not only accelerated the speed of metering packing, improve work efficiency, also improved the levels of precision of metering, realized the accurate measurement of material.

2, just measure the storehouse and be obliquely installed, eliminated the blanking dead angle, make preliminary metering more accurate, simultaneously, also be convenient to the assembling of reciprocating motor, save the space.

3, adopt reciprocating motor control plate, open or close storage bin hopper, just measure storehouse and measuring chute, simple in structure, cheap for manufacturing cost, and working stability, reliable, long service life, field of application of the present invention is wide, all can measure packing to particle and granular material.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the A portion enlarged drawing of Fig. 1;

Fig. 4 is the B portion enlarged drawing of Fig. 1;

Fig. 5 is that the C of Fig. 4 is to view;

Fig. 6 is the structural representation of another embodiment of the present invention.

The specific embodiment

Embodiment 1:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the present invention includes frame 1, storage bin hopper 8 and measuring chute 3, the welding of storage bin hopper 8 usefulness steel plates is made, and its upper end is square, and the lower end is a triangle, and so that material moves downward, storage bin hopper 8 is fixed on the frame 1; The welding of measuring chute 3 usefulness steel plates is made, and its upper end is square, and the lower end is a triangle, so that material moves downward, measuring chute 3 is connected with frame 1 by LOAD CELLS 4, so that the material in the measuring chute 3 is carried out accurate measurement; Also have a hopper 2 below measuring chute 3, hopper 2 receives fallen material from measuring chute 3, and material is incorporated in the packaging bag; Amount storehouse just is housed between storage bin hopper 8 and measuring chute 3, utilize first amount storehouse that material is tentatively measured, described amount just storehouse is that fixed type is just measured storehouse 6, fixed type is just measured storehouse 6 usefulness steel plates welding and is made, it is shaped as square, and width is identical with storage bin hopper 8, and is obliquely installed, to eliminate the blanking dead angle, make preliminary metering more accurate; The oscillatory type that links, adds scale for measuring chute 3 is housed on frame 1 with storage bin hopper 8 adds scale device 5, utilize oscillatory type to add scale device 5 and add scale for measuring chute 3, realize the quick accurate measurement of material, described oscillatory type is added scale device 5 and is constituted by adding weigh hopper 14 and oscillatory system, adding weigh hopper 14 usefulness flexible supporting frames 18 is installed on the base plate 21, base plate 21 usefulness springs 19 are installed on the base 20, and base 20 is fixed on the frame 1; Described oscillatory system is an electromagnet oscillatory system, it is made of coil holder 17, coil 22, moving iron core 16 and fixed core 23, coil holder 17 is installed on the base plate 21, coil 22 is installed in the coil holder 17, moving iron core 16 and fixed core 23 are installed in the coil 22, the end of moving iron core 16 with connecting panel 15 with add weigh hopper 14 and link together, drive and add weigh hopper 14 and vibrate; Described oscillatory system also can be cam-type oscillatory system or link-type oscillatory system, can also adopt the oscillatory system of other versions such as electric activator to replace, and all can realize its function; Have a scraper-trough conveyer 7, the lower end of scraper-trough conveyer 7 to be positioned in the bottom of storage bin hopper 8 and add on the weigh hopper 14, the weigh hopper 14 that adds that scraper-trough conveyer 7 adds storage bin hopper 8 and oscillatory type on the scale device 5 links, and the material in the storage bin hopper 8 is incorporated into adds on the weigh hopper 14; Plate 12 is equipped with in the exit of just measuring storehouse 6 and measuring chute 3 at storage bin hopper 8, fixed type, a slit is arranged in the exit of storage bin hopper 8, plate 12 passes from the slit, and position-limiting action is played to plate 12 in this slit, opens or closes the outlet of storage bin hopper 8 accurately to guarantee plate 12; The exit of just measuring storehouse 6 and measuring chute 3 at fixed type is provided with slideway 13, described slideway 13 is fixed on the both sides that fixed type is just measured storehouse 6 and measuring chute 3 outlets, plate 12 is assemblied in the slideway 13, opens or closes the outlet that fixed type is just measured storehouse 6 and measuring chute 3 accurately to guarantee plate 12; Described plate 12 is connected with reciprocating motor 9, and reciprocating motor 9 has speed reduction gearing for existing parts on it, a translation bar 10 is arranged on speed reduction gearing, utilizes translation bar 10 to realize its crank motion; Permanent seat 11 is housed on translation bar 10, permanent seat 11 is fixed together with plate 12, thereby plate 12 and reciprocating motor 9 are linked together, and reciprocating motor 9 drives plate 12 motions by its translation bar 10, opens or closes the outlet that storage bin hopper 8, fixed type are just measured storehouse 6 and measuring chute 3.

The variable that fixed type of the present invention is just measured storehouse 6 should add a part of material so that add scale device 5 with oscillatory type again less than standard value 1～10%, makes it to reach standard value.

During work, open the plate 12 in storage bin hopper 8 exits earlier, just measure in the storehouse 6 to fixed type and add material, material is tentatively measured; After material is filled it up with, close the plate 12 in storage bin hopper 8 exits, open the plate 12 that fixed type is just measured 6 exits, storehouse, material is joined in the measuring chute 3, material is carried out accurate measurement; After material all enters into measuring chute 3, close fixed type and just measure the plate 12 in 6 exits, storehouse, so that just measuring storehouse 6, measures fixed type next time, simultaneously, oscillatory type is added scale device 5 and is started working, and adds materials in measuring chute 3, when reaching standard value, LOAD CELLS 4 output signals on the measuring chute 3, oscillatory type add scale device 5 and stop vibration; Open the push-pull valve 12 in measuring chute 3 exits, material is all put into hopper 2, material enters into packaging bag through hopper 2, finishes packing work, then, closes the push-pull valve 12 in measuring chute 3 exits, so that measure next time.

Embodiment 2:

As shown in Figure 6, its structure such as embodiment 1, difference is that described amount just storehouse is that variable displacement type is just measured the storehouse, to change its volume, adapts to the branch reload request of Different Weight; Variable displacement type is just measured the storehouse and is obliquely installed, and to eliminate the blanking dead angle, makes preliminary metering more accurate; Described variable displacement type is just measured the storehouse and is made of static housing 24 and active box 29, active box 29 is installed in the static housing 24, static housing 24 is a square box, active box 29 is the triangle casing, the outer wall width of active box 29 is identical with the inwall width of static housing 24, so that move in static housing 24; Described active box 29 is connected with volume adjustment mechanism, utilizes volume adjustment mechanism to drive active box 29 and moves in static housing 24, changes variable displacement type and just measures the volume in storehouse; Described volume adjustment mechanism is made of leading screw 27, nut 28 and control hand wheel 25, control hand wheel 25 is fixed on the leading screw 27, leading screw 27 usefulness bearing seats 26 are installed on the frame 1, bearing seat 26 plays qualification leading screw 27 positions, leading screw 27 can rotate in bearing seat 26, but can not move along its axis direction, nut 28 is fixed on the active box 29, and be assembled together with leading screw 27, rotation control hand wheel 25, nut 28 can move on leading screw 27, moves in static housing 24 thereby drive active box 29.

The present embodiment technical scheme in use, at first to determine that transfiguration just measures the variable in storehouse according to the standard value of packing, this variable should be less than standard value 1～10%, add a part of material again so that add scale device 5 with oscillatory type, make it to reach standard value, other working processs are identical with embodiment 1.

Claims

1, a kind of metering and separate loading machine for bulk material, comprise frame, storage bin hopper and measuring chute, storage bin hopper is fixed on the frame, measuring chute is connected with frame by LOAD CELLS, it is characterized in that, amount storehouse just is housed between storage bin hopper and measuring chute, just the variable in amount storehouse should be less than standard value 1～10%, on frame, be equipped with storage bin hopper and link, add the oscillatory type of scale to measuring chute and add scale device, described oscillatory type is added scale device by adding weigh hopper and oscillatory system constitutes, utilize first amount storehouse that material is tentatively measured, utilize oscillatory type to add scale device again and add scale, realize the quick accurate measurement of material.

2, metering and separate loading machine for bulk material according to claim 1, it is characterized in that at storage bin hopper, just plate is equipped with in the exit of measuring storehouse and measuring chute, plate is connected with reciprocating motor, drive the plate motion by reciprocating motor, open or close storage bin hopper, just measure the outlet of storehouse and measuring chute.

3, metering and separate loading machine for bulk material according to claim 1 is characterized in that, described amount just storehouse is that fixed type is just measured the storehouse or variable displacement type is just measured the storehouse, to adapt to different demands.

4, metering and separate loading machine for bulk material according to claim 3 is characterized in that, described fixed type is just measured storehouse and variable displacement type and just measured the storehouse and be obliquely installed, and to eliminate the blanking dead angle, makes preliminary metering more accurate.