CN101575014A

CN101575014A - Quantificational packing machine

Info

Publication number: CN101575014A
Application number: CNA2008100162180A
Authority: CN
Inventors: 胡东兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-10
Filing date: 2008-05-10
Publication date: 2009-11-11

Abstract

The invention relates to a quantificational packing machine. The quantificational packing machine mainly comprises a hopper (1), a second feeding door (2), a feeding groove (3), a large feeding control door (4), a small feeding control door (4'), a weighing hopper (5), a discharging door (6) and a sensor (8), wherein the second feeding door (2) is arranged below the hopper (1), and the feeding groove (3) is arranged below the second feeding door (2); the large feeding control door (4) and the small feeding control door (4') are arranged at the bottom of the feeding groove (3), and the weighing hopper (5) is arranged below the large feeding control door (4) and the small feeding control door (4'); the discharging door (6) is arranged at the lower end of the weighing hopper (5); and the sensor (8) is mounted above one side of the discharging door (6), connected with the weighing hopper (5) by a pull rod (7) in a hanging way and mounted on a stand (9). The quantificational packing machine can be a hopper-free quantificational packing machine if the weighing hopper (5) is replaced by a packet-clamping device for direct packing or can be a quantificational package packing machine if the weighing hopper (5) is replaced by a package-strutting support (51). The volumetric feeding amount of the feeding groove (3) is considered as a first feeding amount, and a unit total amount equals to the sum of the first feeding amount and the feeding amounts of the second feeding door (2) and a third-stage small feeding control door (4'). The quantificational packing machine is characterized in that the first feeding amount exceeds 30 percent of the unit total amount within an allowable shortest time. The invention has stable operation, accurate measurement, high efficiency, long service life, strong suitability, wide range and simple operation.

Description

A kind of quantitative package machine

(1) technical field

The present invention relates to the wrapping machine technical field, specifically is a kind of automation that the products such as solid, fluid that loose is carried out the quantitative weighing packing.

(2) technical background

Application number is 200410100946.1 Chinese patent application, " a kind of sack filling machine " disclosed, obtain remarkable effect for realizing three grades of feed, but still there are many deficiencies, as far back as eighties of last century end of the seventies, the beginning of the eighties, we just contact understand weigh three grades of feed methods of efficient of decision amount wrapping machine, present package packing machine is also being used the Weighing method of thickness secondary feed, though an example of using three grades of feed is perhaps arranged, also all be to mix from the standard value gap too big at the branch of feed at different levels, can not mix is three grades of feed, in addition owing to need the complexity of packing materials: as runny, not runny, heavy little with proportion, also has powdery, granular, column with sheet, or the like many characteristics, it is stable and accurate just to have determined to weigh, complicated characteristics and critical role in wrapping machine, the problem of Cun Zaiing had also illustrated this respect in the past: 1, first order feed quantity very little, 30% of the total metering of the unit of being no more than, everybody universal demand precision high efficiency height, meet this requirement, 30% first order feed obviously very little; 2, the small volume feeding time is less than fifty percent setting of total feed time, makes three grades of feed be difficult to smooth operation; 3, the measure control bin gate adopts the single-arc shaped door in the past, switching time is longer, drop is big, checked the raising of measuring accuracy, though be similar to control bin gate of the present invention, be not used to pack the control of weighing, especially the direct wrapping machine made from replacement weighing hoppers such as packaging bag, packing boxes, being called does not have the bucket quantitative package machine, has outstanding performance; 4, the quantitative package machine of form of ownership all is arranged on sensor on the horizontal surface, is unfavorable for high efficiency working stability, also can make precision and decrease in efficiency; 5, after first order feed amount improves, accelerate efficient hope has been arranged, also just need structure stably, general stationary mode is that the weighing hopper side is connected with the casing level with thin bar now, not giving of also having connects, do not have due stablizing effect, portable sack filling machine of the MB-1800 that is using as each big harbour and WBN-50AD fixed type sack filling machine; 6, the deadweight of weighing hopper is compared the weight difference of weighing apart from little, even deadweight is less than weighing, easily cause disturbance in the feeder process, make the control of weighing unstable, as present fixed type wrapping machine, nothing metering bucket type quantitative package machine or the like, weight generally on 5-30kg, weigh many on 50-80kg by working unit at the bottom of their weigher; 7, do not have the buffering stabilizing device on the weighing hopper, when the excessive velocities of feed, often drop is also bigger, and the metering fluctuation is just big, just is prone to overproof.

(3) summary of the invention

Technical matters to be solved by this invention is that above-mentioned prior art is improved to overcome its deficiency, provides and can stablize the metering setting of accurately weighing, to guarantee a kind of normal use of quantitative package machine.

In order to achieve the above object, the present invention is achieved in that a kind of quantitative package machine, mainly include: hopper, its below is provided with second stage feed door, feed student side, the second stage establishes feeder channel, adjustable second stage feed door is set in feeder channel inside, establish aniseed control gate and small powder control gate in the bottom of feeder channel, its below design batch box, the lower end of weighing hopper is emptying door sensor installation above the side of weighing hopper, articulate by pull bar and weighing hopper, sensor is fixedly installed on the frame; If replace weighing hopper directly to adorn bag with bag clamping device, being called does not have the bucket quantitative package machine; If replace weighing hopper with support sack support, generally be used for the sack quantitative package, be called the sack quantitative package machine, above-described quantitative package machine, the volume feed of feeder channel is exactly a first order feed, the total metering of unit equals first order feed, adds the feed of second stage feed door, adds the feed amount that third stage trace is controlled bin gate, it is characterized in that: in the shortest time that allows, first order feed amount surpasses 30% of the total metering of unit.

Described a kind of quantitative package machine, it is characterized in that: feed control bin gate is similar to the face of fish, abbreviate the fish mouth type bin gate as, every fan fish mouth type bin gate is made up of three continuous basic sides, the shape of basic side is trapezoidal, rectangle or triangle, also can be to be similar to trapezoidal, rectangle or leg-of-mutton curved surface, on the side of centre, fixed rotating shaft is housed, two fan fish mouth type bin gates become make-up, one li one external symmetry to install, move the pass relatively along fixed rotating shaft or other tracks again, can select the aperture of different needs.

Described a kind of quantitative package machine when the feed control gate is in trace, is the feed of little bin gate, is third stage feed; By the feed first order of big small powder control gate and feeder channel control, the second stage three grades of feed cycles an of unit to the third stage, be called total feed time of unit, it is characterized in that: be no less than 50% setting of the total feed of unit time the unit small volume feeding time.

Described a kind of quantitative package machine, the stable connection of weighing hopper is connected with frame, is arranged at the weighing hopper side, and connects weighing hopper by the connecting rod of weighing hopper, plays the stable effect of weighing, and is called to connect and stablizes; The weighing hopper top is to the height between the bin gate axle of bottom, height for weighing hopper, it is characterized in that: the stable connection, outside the weighing hopper height, with the suspension rod of weighing hopper side and the junction setting of frame, or outside the weighing hopper height, be provided with on other and the weighing hopper bonded assembly device; A kind of quantitative package machine, if do not have bucket during quantitative package machine, weighing hopper is exactly a device of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper is exactly the support of support sack.

Described a kind of quantitative package machine, its feature the side of weighing hopper or below, weighing hopper passes through suspension rod, be connected with another sensor again, or weighing hopper adopts other connecting device to be connected with another sensor again, sensor is fixed on the frame, plays stable metering and sensing weight double action, and it is stable to be called sensor; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper was exactly a device of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper is exactly the support of support sack.

Described a kind of quantitative package machine, weigher is the general name of a weighing hopper and continuous all facilities thereof, the all the sensors of a weigher, the actual weight that all the sensors can be experienced before the weigher zero load is not worked and, be called the end weight of weigher, its feature increases in the bottom of weighing hopper and connects balance weight body, or the making weight of increase weighing hopper, to increase the end weight of weigher, weigher is played stabilization, it is stable to be called weightening finish; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper was exactly a device of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper is exactly the support of support sack.

Described a kind of quantitative package machine is characterized in that weighing hopper passes through suspension rod, at the joint of frame bottom and suspension rod, install elasticity weightening finish device additional, or weighing hopper adopts other connecting device, install other similarly weightening finish device additional, increase its tension force, to weigher rise increase scale at the bottom of recast use; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper was exactly a device of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper is exactly the support of support sack.

Described a kind of quantitative package machine is characterized in that, weighing hopper is by suspension rod, and at the frame bottom that adequate thickness is arranged and suspension rod joint, the hold-down bolt adjustable bolt quantitatively increases the end weight of weigher, and weigher is played buffer action, is called buffering and stablizes; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper was exactly a device of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper is exactly the support of support sack.

Described a kind of quantitative package machine comprises not having bucket quantitative package machine and sack quantitative package machine, it is characterized in that, increases weight at the bottom of the scale, makes at the bottom of the scale weight surpass unit and always measures.

Described a kind of quantitative package machine, be the sack quantitative package machine, and LOAD CELLS is located at the bottom of support bag bracket, its feature: increase LOAD CELLS at support sack frame side, form the stereoscopic stable form of sensor with the sensor of bottom, play stable, sensing double action.

Compared with the prior art a kind of quantitative package machine of the present invention has outstanding substantive distinguishing features and marked improvement: after 1, at first having increased the quantity of first order feed, under the restriction of certain demand efficient, make the small volume feeding of back that enough time and spaces be arranged, metering is just accurate; 2, using fish mouth type loader control bin gate, can obtain to have greatly greatly, little aperture will be arranged for a short time, obtain desirable crossing ability and closing property, is the key that solves package packing machine practical space deficiencies such as not having the bucket wrapping machine and the excessive contradiction of drop; 3, the problem that need solve after the increase of the quantity of first order feed is stable, obtains high-precision metering, and sensor device in having on the differing heights of lining, is measured more than stablizing easily on a height; 4, because in the weighing hopper bottom, suspension rod with sensor directly or indirectly is vertically connected at the earth, and makes weigher weigh center of gravity to the distance of stablizing interlink when enough big, according to lever principle, than before stationary mode, the work that the easier acquisition of LOAD CELLS is stable; 5, adopt the mode that on weighing hopper, increases weightening finishes such as balance weight body, the result makes and greatly at the bottom of the scale weighs in unit, according to bead bump principle physically, when the own weight of weighing hopper during much larger than variable, their collision feeder process just will can not influence the quantification stability of scale very much so; 6, use the buffering stabilization method will make sensor obtain less impulse force, when a unit variable is set, weighing instrument will detect the gravity of feed and making a concerted effort of impulse force, the impulse force fluctuation to metering greatly is just big, so adopt the stable impulse force that as far as possible dwindles of bolt buffering to be stable good method of measuring, especially suitable to the unsettled situation of feed; 7, the antihunt means above comprehensive the use can obtain comparatively perfectly stable control.

(4) description of drawings

Fig. 1---connection of the present invention is stable, the master looks, structural representation;

Fig. 2---sensor of the present invention is stable, the master looks, structural representation;

Fig. 3---sack packaging machine sensor stabilizing device scheme drawing of the present invention;

Fig. 4---weightening finish of the present invention is stable, the master looks, structural representation;

Elasticity weightening finish stabilizing device, the master that the weightening finish of Fig. 5---no bucket quantitative package machine of the present invention is adjustable looks, structural representation;

Fig. 6---bolt buffering of the present invention is stable, the master looks, structural representation;

Fig. 7---elasticity weightening finish apparatus structure scheme drawing of the present invention;

Fig. 8---feed of the present invention is controlled bin gate, is also referred to as the three-view diagram of fish mouth type bin gate.

(5) specific embodiment

In order to understand better and to implement, provide specific embodiment below in conjunction with accompanying drawing, describe a kind of quantitative package machine of the present invention in detail, shown in Fig. 1,2,3,4,5,6,7,8, present embodiment is a quantitative package machine, and it can have multiple scheme to make according to claim.

On height suitably, make hopper 1, second stage feed door 2 and feeder channel 3, adjustable second stage feed door 2 on the device feeder channel 3 in ', make feeder channel 3 the volume feed can above the total feed of unit 30%, near 60%.

At a kind of quantitative package machine is not have under bucket wrapping machine or the sack packaging machine situation, the top is provided with the loader of fish mouth

type bin gate

4,50% of three grades of feed times of the time that the is provided with unit of being not less than of prolongation small volume feeding, guarantee that three grades of feed of stable realization have rational structure and arrangement of time.

Make the frame 9 that has than standing height, LOAD CELLS 8 is installed in the suitable position that hangs weighing hopper 5 at its top, connect weighing hopper 5 with suspension rod 7 below, emptying door 6 is equipped with in weighing hopper 5 bottoms, below emptying door 6, weighing hopper 5 is connected with the earth by suspension rod 7, stable connection 11, frame 9, and make suspension rod 7 vertical with the earth, high stable control is good more more for the height of suspension rod 7, but the requirement of strength of high more suspension rod 7 is high more, in addition the ground-surface relatively height of sensor 8 is also high more, generally with obtain stable be weighed as suitable.

Below emptying door 6, the bottom of suspension rod 7 increases by 5 ° of balance weight body, the gravimetric value that balance weight body is 5 ° is big more stable more, but the error accuracy rate is not high more, finds from practice, the experience ratio of most of material being used three grades of feed is:

Heavy at the bottom of the weigher: the weighing value ≈ of unit 2.4: 1;

Packaged products and control structure difference in fact, experience ratio is also different.Also can be directly on weighing hopper 5, increase and make weight, and according to the proportion and the flow condition of the proportion of material and material or set the amount of first order feed, determine the value that increases.

Stable connect 11 places add elasticity weightening finish device 5 ', elasticity weightening finish device 5 ' the bottom plus-minus screw is housed, the degree of tightness of plus-minus screw, can be provided with increases the size that the end heavily is worth, and generally to be fit to stablely to be weighed as suitablely, adapts to the packing of weighing of common product.

", we can binding bolt 5 " increases tension force for suspension rod 7 at frame 9 bottoms that adequate thickness is arranged and suspension rod 7 joints, bolt 5 to be housed, by instrument show approximately to unit weigh 60%, make weigher not only obtain buffering but also increased stable control.

The side of weighing hopper 5 or side-lower by suspension rod 7 bottoms and another sensor 8 ' be connected in frame 9 ' on, play stable metering and sensing weight double action, sensor 8 ' also be fixed on frame 9 ' on, satisfy big proportion and high-precision packing demand.The practice of should putting into production at last, repeated examinations is to obtain optimal selection.

A kind of quantitative package machine of the present invention, be to satisfy the high efficiency production demand and produce, and the metering method of three grades of feed just should be the principle that exists of this package metro-measuring scale: during use, press start button, feed control bin gate complete opening, the material of feeder channel internal volume feed bin infeeds in the weighing hopper rapidly, be the volume feed, account for 60% of total metering weight, be called first order feed, at this moment, because the end weight of weigher much larger than this feed amount; Perhaps weigher has stabilizing device of the present invention, sensor can not produce the disturbance shakiness, and then infeed than solvent or diluent and flow on the feed of weighing hopper 60%, carry out 35% feed, be called second stage feed, when feed total amount convergence 95%, sensor makes the operatorless device of weighing send instruction, and the control loader carries out 5% small volume feeding, and this is called third stage feed, when feed is metered into 100%, LOAD CELLS makes the operatorless device of weighing send out code, closes loader, and metering finishes, wait for blowing, so far finish a metering process.

Generally speaking, should guarantee the efficient of weighing, not have a kind of quantitative package machine of the present invention and " three grades of feed " to be difficult to realize; Use wrapping machine of the present invention will realize production safety, quality, efficient, mechanically stable, the unified raising of all index energy-conservation and economic benefit.

Claims

1, a kind of quantitative package machine, mainly include: hopper (1), its below is provided with second stage feed door (2), feeder channel (3) is established in second stage feed door (2) below, in feeder channel (3) inside adjustable second stage feed door (2 ') is set, on the bottom of feeder channel (3), establish aniseed control gate (4) and small powder control gate (4 '), its below design batch box (5), the lower end of weighing hopper (5) is emptying door (6), at the top, side of weighing hopper (5) sensor installation (8), articulate by pull bar (7) and weighing hopper (5), sensor (8) is fixedly installed on the frame (9); If replace weighing hopper (5) directly to adorn bag with bag clamping device (50), being called does not have the bucket quantitative package machine; If replace weighing hopper (5) with support sack support (51), generally be used for the sack quantitative package, be called the sack quantitative package machine, above-described quantitative package machine, the volume feed of feeder channel (3) is exactly a first order feed, the total metering of unit equals first order feed, adds the feed of second stage feed door (2 '), adds the feed amount that third stage trace is controlled bin gate (4 '), it is characterized in that: in the shortest time that allows, first order feed amount surpasses 30% of the total metering of unit.

2, by the described a kind of quantitative package machine of claim 1, it is characterized in that: feed control bin gate (4) is similar to the face of fish, abbreviate the fish mouth type bin gate as, every fan fish mouth type bin gate (4) is made up of three continuous basic sides, the shape of basic side is trapezoidal, rectangle or triangle, also can be similar to trapezoidal, rectangle or leg-of-mutton curved surface, fixed rotating shaft (10) is housed on the side of centre, two fan fish mouth type bin gates (4) become make-up, one li one external symmetry installed, move the pass relatively along fixed rotating shaft (10) or other tracks again, can select the aperture of different needs.

3,,, be third stage feed when feed control is in trace, is small powder control gate (4 ') feed by the described a kind of quantitative package machine of claim 1; By the feed first order of aniseed control gate (4), small powder control gate (4 ') and feeder channel (3) control, the second stage three grades of feed cycles an of unit to the third stage, be called total feed time of unit, it is characterized in that: be no less than 50% setting of the total feed of unit time the unit small volume feeding time.

4, by claim 1,2,3 described a kind of quantitative package machines, stable connect (11) of weighing hopper (5) are connected with frame (9 '), are arranged at weighing hopper (5) side, and connect weighing hopper (5) by the connecting rod of weighing hopper (5), play the stable effect of weighing, be called to connect and stablize; Weighing hopper (5) top is to the height between bottom bin gate (6) axle, height for weighing hopper (5), it is characterized in that: stable connect (11), outside weighing hopper (5) height, be provided with the suspension rod (7) of weighing hopper (5) side junction with frame (9 '), or outside weighing hopper (5) height, be provided with on other and weighing hopper (5) the bonded assembly device; A kind of quantitative package machine, if do not have bucket during quantitative package machine, weighing hopper (5) is exactly a device (50) of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper (5) is exactly the support (51) that supports sack.

5, by claim 1,2,3,4 described a kind of quantitative package machines, its feature is in the side or the below of weighing hopper (5), weighing hopper (5) is by suspension rod (7), be connected with another sensor (8 ') again, or weighing hopper (5) adopts other connecting device to be connected with another sensor (8 ') again, sensor (8 ') is fixed on the frame (9 '), plays stable metering and sensing weight double action, and it is stable to be called sensor; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper (5) was exactly a device (50) of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper (5) is exactly the support (51) that supports sack.

6, by claim 1,2,3,4 described a kind of quantitative package machines, weigher is the general name of a weighing hopper (5) and all facilities of linking to each other thereof, the all the sensors of a weigher (8), the actual weight that all the sensors before the weigher zero load is not worked (8) can be experienced and, the end weight that is called weigher, its feature increases connection balance weight body (5 °) in the bottom of weighing hopper (5), or the making weight of increase weighing hopper (5), to increase the end weight of weigher, weigher is played stabilization, and it is stable to be called weightening finish; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper (5) was exactly a device (50) of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper (5) is exactly the support (51) that supports sack.

7, by claim 1,2,3,4 described a kind of quantitative package machines, it is characterized in that, weighing hopper (5) is by suspension rod (7), joint at frame (9 ') bottom and suspension rod (7), install elasticity weightening finish device (5 ') additional, or weighing hopper (5) adopts other connecting device, install other similarly weightening finish device additional, increase its tension force, to weigher rise increase scale at the bottom of recast use; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper (5) was exactly a device (50) of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper (5) is exactly the support (51) that supports sack.

8, by claim 1,2,3,4 described a kind of quantitative package machines, it is characterized in that, weighing hopper (5) is by suspension rod (7), the frame of adequate thickness (9 ') bottom and suspension rod (7) joint are being arranged, hold-down bolt (5 "), (5 ") quantitatively increase the end weight of weigher to adjustable bolt, weigher is played buffer action, and it is stable to be called buffering; If when a kind of quantitative package machine did not have the bucket quantitative package machine, weighing hopper (5) was exactly a device (50) of clamping sack; If during a kind of quantitative package machine sack quantitative package machine, weighing hopper (5) is exactly the support (51) that supports sack.

9, by claim 1,2,3,6,7,8 described a kind of quantitative package machines, comprise not having bucket quantitative package machine and sack quantitative package machine, it is characterized in that, increase weight at the bottom of the scale, make at the bottom of the scale weight surpass unit and always measure.

10, by the described a kind of quantitative package machine of claim 1, it is the sack quantitative package machine, and LOAD CELLS (8) is located at the bottom of support bag bracket (51), its feature: increase LOAD CELLS (8 ') at support sack frame (5) side, form the stereoscopic stable form of sensor with the sensor (8) of bottom, play stable, sensing double action.