CN2594150Y - Automatic quantitative powder bag packer - Google Patents

Abstract

The utility model relates to an automatic quantitative bagging machine for powder. The machine adopts a rotary feeding type discharge pump which is provided with an overflow groove in a pump shell to realize internal circulation, or adopts a rotary initial-pressure impeller pressurizing discharge double-stage discharge pump which is provided with arc-shaped baffles on the two contact positions of a rotary auger and an impeller to realize internal circulation; a power spindle and the pump shell are sealed by an O-shaped sealing ring and a left-rotation sealing thread sleeve; a flashboard motor shaft is arranged in a hollow three-claw spindle, and a centrifugal toggling push-pull rod type automatic flashboard mechanism is realized by a spindle mechanism. The machine thoroughly avoids the phenomena of nozzle blocking, machine stuffiness, empty fetching, emptying and wind beating, realizes the working stability and the accuracy of a flashboard to close and open a discharge opening, and reduces workmen's labor intensity.

Description

The powder automatic quantitative bag filling machine

Technical field:

The utility model relates to quantitative package machinery, particularly a kind of powder automatic quantitative bag filling machine.

Background technology:

Existing its feeder of powder automatic quantitative bag filling machine divides vane type and spiral two kinds.Its rigidity impeller top of vane type discharge pump is uncovered shape, the higher impeller of rotating speed is easily broken powder and is flown, sky, emptying phenomenon appear dragging for, produce air thus and chew to bring into to mould and compile in the coating film bag through discharging, and this packaging bag permeability to air is poor, and therefore the existence of the interior air of bag obviously influences the accuracy of discharge and metering; Though spiral discharge pump does not have above-mentioned disadvantage, but because of its screw diameter is big, discharging opening is less, therefore there be discharge is required great effort even vexed machine phenomenon occurring of eat many, row, though by increasing the gap between spiral and the envelope chamber, can solve vexed machine phenomenon, but the increase in this gap can make and press in the discharge pump not enough and the row of causing speed is low excessively, causes drainage conduit to produce material and blocks up.Existing guillotine mechanism mostly is lever, is promoted or pulling by spring, exists to impact disadvantage big, that friction is fast, the life-span is short.Owing to adopt the locking of electromagnet pull lever, therefore, when electromagnet is sneaked into dust, easily cause the air gap magnetic conduction and burn electromagnet.

Summary of the invention:

Goal of the invention of the present utility model is in order to overcome above-mentioned weak point of the prior art, and provide a kind of can fill to mould compile coating film bag and guarantee accurate measurement, can alleviate efficient, the low energy consumption powder automatic quantitative bag filling machine of labor strength.

The technical scheme that realizes the foregoing invention purpose is: this machine by frame, discharge pump, intermediate bin, weighing mechanism, extension dish press from both sides bag mechanism, guillotine mechanism is formed.Discharge pump adopts spiral to send formula or stage type to, spiral is sent to and is provided with the overflow groove that a side and pump case link into an integrated entity in its pump case of formula discharge pump, this overflow groove opposite side is equipped with movable overflow valve plate, and power spindle is equipped with O RunddichtringO and left-handed sealing swivel nut entering the pump case place; Be provided with tangential each other screw auger and the impeller of installing in its pump case of stage type discharge pump, dividing plate is equipped with in screw auger top near two tangent places, along impeller the curved baffle that the bottom links into an integrated entity with this dividing plate is housed tangentially, one section pump case from the screw auger top to the discharging opening front end is inner concavity along the impeller outer edge shape, and the power spindle of screw auger and impeller is equipped with O RunddichtringO and left-handed sealing swivel nut respectively entering the pump case place.Its output shaft of control motor of guillotine mechanism inserts and uses key connecting in the hollow three-jaw mandrel, float respectively in the three-jaw of mandrel and be equipped with centrifugal of the band friction lining, centrifugal outside suit steel wire collar, this mandrel is by antifriction-bearing box and its shell, saturating lid connects, be fixed with on this shell and hit iron and stir dish, its both sides are respectively by being fixed on outer nylon bumpar post and the cushion rubber thereof of being set with on the electric baseboard, saidly hit iron the nylon bumpar post is spacing cooperates with this, this is stirred, and off-centre is equipped with roller on the dish, slotted hole bearing fit on this roller and the pull bar that is arranged in the orienting sleeve, this pull bar top is fixed with hits dish, it is hinged with flashboard to hit dish, hit on the frame of dish top movable lance is housed, this hits dish and cooperates with this lance bump, and this lance and extension dish press from both sides plate machine in the bag mechanism and clash into and cooperate.

Powder automatic quantitative bag filling machine according to the technique scheme realization, stifled and the vexed machine phenomenon for the material that solves discharge, in spiral is sent formula discharge pump chamber to, constitute a enclosed cavity by the overflow valve plate that overflow groove and installation activity are set with overflow effect, make flashboard in the guillotine mechanism when closing discharge gate, the powder that enters enclosed cavity can be opened this overflow valve plate by overcoming torque spring power, makes powder get back to the pan feeding chamber, circulation in realizing is so can thoroughly avoid vexed machine phenomenon; By improving the gap of screw auger and pump case enclosed cavity, pump pressure is increased and unlikely stifled chewing.The twin-stage of stage type discharge pump is sent to, with powder supercharging, speedup, make powder with high pressure, discharging at a high speed, rate of onset is not stifled soon to be chewed, screw auger will have the powder of certain first pressing and send into impeller, make powder can enrich between blade, overcome dragging for sky, hole, emptying, beating the wind phenomenon of single impeller feed, impeller top is opened wide, the pump chamber structure of below indent is in conjunction with the curved baffle in it, when flashboard cuts out, powder can return by this curved baffle top and realize that earial drainage forms interior circulation, so not jamming.Guillotine mechanism adopts a kind of centrifugal push-and-pull bar type structure of stirring, and has realized that flashboard cuts out and open the accuracy of discharge gate and the stability of work, has alleviated working strength of workers greatly, and the guillotine mechanism cost of this kind structure is low simultaneously.

Description of drawings:

Fig. 1 is a complete machine structure scheme drawing of the present utility model.

Fig. 2 sends formula discharge pump structural representation to for spiral of the present utility model.

Fig. 3 is a stage type discharge pump structural representation of the present utility model.

Fig. 4 is an A-A generalized section among Fig. 3.

Fig. 5 is the structural representation of weighing mechanism of the present utility model.

Fig. 6 presss from both sides the structural representation of bag mechanism for extension dish of the present utility model.

Fig. 7 is the structural representation of guillotine mechanism of the present utility model.

Fig. 8 is an A-A generalized section among Fig. 7.

The specific embodiment:

Provide a specific embodiment of the present utility model below in conjunction with accompanying drawing.The described powder automatic quantitative bag filling machine of present embodiment presss from both sides bag mechanism 5, guillotine mechanism 6 etc. by frame 1, discharge pump 2, intermediate bin 3, weighing mechanism 4, extension dish to be formed.

Discharge pump 2 of the present utility model is installed in frame 1 top, its top and intermediate bin 3 UNICOMs, and discharge pump 2 can be that spiral is sent the formula discharge pump to, also can be the stage type discharge pump.Spiral send to its power spindle 10 of formula discharge pump by two dish deep groove ball bearings 8, thrust ball bearing 11 is installed in the fixing bearing seat 7 of frame 1 on, its left end is equipped with and its key bonded assembly powered pulley 9, its right-hand member is set with O RunddichtringO 18 and left-handed sealing swivel nut 12 entering pump case 13 places, left-handed big helical pitch screw auger 17 usefulness keys are connected with main shaft 10, and it is axially fastening by bolt 16.Above assembly and the split of pump case assembly, when main shaft 10 did not change, the sealing of itself and pump case assembly kept left and revolves sealing swivel nut 12 and 18 sealings of O RunddichtringO; When main shaft 10 rotated, pump case 13 interior pressures increased, and the screw thread that revolves sealing swivel nut 12 and main shaft 10 switched in opposite that keeps left this moment is pushed powder in the pump case 13 to.Because main shaft 10 running parts and the split of pump case assembly are so reduced vibrations.Be provided with the overflow groove 15 that a side and pump case 13 link into an integrated entity in the pump case 13, these overflow groove 15 other ends are equipped with movable overflow valve plate 14, thereby make left side, screw auger 17 top form a pan feeding chamber, right-hand part overflow groove 15 belows form an enclosed cavity, during pan feeding, powder is pushed enclosed cavity by screw auger 17, when the flashboard in the guillotine mechanism 6 19 is opened, overflow valve plate 14 is closed this enclosed cavity by torque spring, powder is discharged with high-voltage high-speed, when closing flashboard 19, press in this enclosed cavity and increase, then powder overcomes spring force by overflow valve plate 14 and opens earial drainage, makes powder get back to the pan feeding chamber.This shows the advantage that this structure discharge pump has is not jamming, stifledly chew, discharge is unobstructed.Be provided with tangential each other screw auger 22 and the impeller of installing 21 in its pump case 20 of stage type discharge pump, dividing plate 26 is equipped with in screw auger 22 tops near two tangent places, along impeller 21 curved baffle 27 that the bottom links into an integrated entity with this dividing plate 26 is housed tangentially, one section pump case from screw auger 22 tops to the discharging opening front end is inner concavity along impeller 21 outer rim shapes, that is pump case 20 parts of impeller 21 bottoms are equivalent to a sealing arc plate 28.Send the same principle of formula discharge pump to said spiral, the power spindle 25 of the screw auger 22 of this structure discharge pump is equipped with O RunddichtringO 24 and left-handed sealing swivel nut 23 entering pump case 20 places, and the power spindle 29 of impeller 21 is equipped with O RunddichtringO 30 and sealing swivel nut 31 entering pump case 20 places.

In the present embodiment, on the axial pump case 20 of corresponding impeller 21 by puller bolt 33 and big press beam 34 to be equipped with to observe cover 32.These structure observation lid 32 dismounting rapidly are convenient to take out the bulk foreign matter because of falling in the intermediate bin 3.Spiral is sent the formula discharge pump to also can be with reference to the same observation lid of this structure design.

Weighing mechanism 4 adopts traditional H type mechanical lever scale in the present embodiment, form by parts such as main balance scale 35, scale support 36, hanger 37, steelyard hook 38, lever 41, pull bar 43, lever dolly 44, antifriction-bearing box 45, sliding weight of steelyard 46, sliding weights 49, all be assemblied in the sealing scale case 39 of band door, and be fixed on intermediate bin 3 sidewalls by these scale case 39 base plates 40 and mount holder 42.Time-delay is equipped with near switch 47 by position-limited rack 48 in the top of lever dolly 44, its underpart is provided with porose, two dish double-sided belt leak free antifriction-bearing boxs 45 are housed in the hole, be respectively charged into two little axles in the two bearings, two coaxial aperture interference fit on the two little axles other end separately and the H type lever 41, it is hinged to hold the scale pan 51 that pull bar 43 its lower ends of being suspended on the lever 41 and extension dish press from both sides in the bag mechanism 5 by machete.When the scale pan 51 passes through pull bar 43 pull lever 41, lever 41 can only move down in vertical direction around antifriction-bearing box 45, and horizontal direction can not parallel motion by bearing restriction, the corresponding accuracy that improves weighing, and not easy to wear as the antifriction-bearing box 45 of activity supporting point, the service life of also having improved scale.Weigh when reaching predetermined weight, lever 41 moves down and main balance scale 35 left ends are lifted and triggers time-delay near switch 47, thereby instruction guillotine mechanism 6 is closed flashboard 19.

In the present embodiment extension dish press from both sides bag mechanism 5 on it the left end and intermediate bin 3 sidewalls of shell fragment assembly 50 fix, right-hand member is connected with the scale pan 51, following shell fragment assembly 61 left ends and frame 1 are fastening, right-hand member be arranged on the scale pan 51 lower ends two pipes on the micro-adjusting mechanism 62 that is provided be threaded, make the whole scale pan 51 be suspended on the space, about two groups of shell fragments, about all can adjust with adapt to discharge chew 55 pairs of discharge pump outlet pipes to neutrality, make the India rubber tube that is flexible coupling in the weighing not interfere to weighing.Wherein micro-adjusting mechanism 62 is used for adjusting the main balance scale 35 of weighing mechanism 4, curved or curved down by making down on the shell fragment assembly 61, promptly quantitatively cut or polish jade with an emery wheel under certain situation at sliding weight of steelyard 46, curved then the pulling on the main balance scale 35 put on the following shell fragment assembly 61, and its quality of weighing then alleviates accordingly; Following shell fragment assembly 61 times produces the power to the pop-up scale pan 51 when curved, main balance scale 35 is had a down dip, if accordingly want to make main balance scale 35 levels, then must overcome the holder power of shell fragment, therefore the increase quality of getting a beating and weighing.Discharge is chewed 55 tops and is equipped with near bar 54, should near the upper end of bar 54 be contained in time-delay on the scale pan 51 near switch 52 running-fits, discharge is chewed system 56 that 55 bottoms are welded with the tape spool hole, this system son 56 is equipped with the plate machine 57 of with this making sub 56 running-fits by hinge by its axis hole and bearing pin and 58 flexible connections of scale support on this scale support 58.When discharge is chewed 55 insertion pockets and is lifted, pocket is pressed 53 lockings of bag device, simultaneously, system 56 lockings on 55 also chewed discharge by plate machine 57, make discharge chew 55 fixing can not the bottom, this moment, discharge was chewed delaying time near switch 52 near bar 54 triggerings on 55, and instruction guillotine mechanism 6 is opened flashboard 19 and begun charging.Turnover panel 59 biasings hang on the support of fixing with the scale pan 51 lower ends two pipes 60, because laying particular stress on of heavy bag, when bag weighed predetermined weight, guillotine mechanism 6 was closed the locking between flashboard 19 and open plate machine 57 and system 56, then discharge is chewed 55 and is had a down dip and throw off to press a bag device 53, and heavy bag falls automatically.It is easy to operate that the extension dish of this structure presss from both sides bag mechanism 5, and action stability is strong, can alleviate working strength of workers.

Guillotine mechanism 6 of the present utility model by pull bar 63, control motor 65, hit dish 66, roller 68, hit iron 69, hollow three-jaw mandrel 74, stir dish parts such as 77 and form.Control motor 65 be fastened on frame 1 bonded assembly base plate 70 on, its output shaft inserts in hollow three-jaw mandrel 74 holes and connects with key, float respectively in the mandrel three-jaw and be equipped with centrifugal 79 of band friction lining 80, centrifugal 79 outside suit steel wire collar 76, this mandrel 74 by antifriction-bearing box 81 with its shell 75, cover 78 thoroughly and be connected, when motor 65 did not change, steel wire collar 76 hugged and makes it to possess the single face gap with shell 75 in the mandrel three-jaw.Be fixed with on this shell 75 and hit iron 69 and stir dish 77, nylon bumpar post 71 and cushion rubber 72 thereof are equipped with by the overcoat 64 that is fixed on the electric baseboard 70 respectively in its both sides, said hitting iron 69 and these 71 spacing cooperations of nylon bumpar post, this is stirred, and off-centre is equipped with roller 68 on the dish 77, slotted hole bearing fit on this roller 68 and the pull bar 63 that is arranged in the orienting sleeve 73, this orienting sleeve 73 minutes up and down two be fastened on the base plate 70, make pull bar 63 make straight-line motion up and down along orienting sleeve 73.These pull bar 63 tops are fixed with hits dish 66, and it is hinged with flashboard 19 that this hits dish 66, hits on the frame 1 of dish 66 tops movable lance 67 is housed, and this hits dish 66 and cooperates with these lance 67 bumps, and this lance 67 and extension dish press from both sides plate machine 57 in the bag mechanism and clash into and cooperate.

Guillotine mechanism 6 principle of work below are described: the general supply of closing, press stop button, the motor 65 of guillotine mechanism 6 rotates counterclockwise, drive friction lining 80 and centrifugal 79 rotation together in hollow three-jaw mandrel 74 and the three-jaw thereof, under action of centrifugal force, friction lining 80 on centrifugal 79 is close on shell 75 inner headed faces, frictionally drives shell 75 and stirs dish 77 with shell 75 bonded assemblys, rotate with stirring dish 77 bonded assembly rollers 68, because this roller 68 is positioned at the slotted hole of pull bar 63, pull bar 63 is limited in the orienting sleeve 73, so roller 68 rotates to drive and moves on the pull bar 63 and make with its pivotally attached flashboard 19 and close discharge gate.Simultaneously and its fixing hit dish 66 bump lances 67 and locking between open plate machine 57 and the system sub 56, make discharge chew 55 and have a down dip and leave sackholder 53.When flashboard 19 puts in place, hit that iron 69 will hit on nylon bumpar post 71 and spacing on the shell 75, the friction lining 80 opposite shell 0.5 second electrical equipment instruction motor that skids stops operating.Press start button, the discharge pump motor rotates, manually chewing 55 discharges when inserting empty bag to discharge chews 55 and lifts, pocket is clamped by sackholder 53, simultaneously, system son 56 is by plate machine 57 lockings, and discharge is chewed triggering near bar 54 on 55 and delayed time near switch 52, instruction flashboard electrical motor 65 clockwise rotates, and with above-mentioned same reason pull bar 63 is moved down and opens flashboard 19 beginnings to the pocket discharge.When reaching predetermined weighing, main balance scale 35 lifts the time-delay of its left end of triggering (sliding weight of steelyard end) top near switch 48, and 6 actions of instruction guillotine mechanism move on the flashboard 19 and close discharge gate.

Claims (3)

1, a kind of powder automatic quantitative bag filling machine comprises that frame, discharge pump, intermediate bin, weighing mechanism, extension dish press from both sides bag mechanism, guillotine mechanism, is characterized in that:

A, spiral are sent to and are provided with the overflow groove that a side and pump case link into an integrated entity in its pump case of formula discharge pump, and this overflow groove opposite side is equipped with movable overflow valve plate, and power spindle is equipped with O RunddichtringO and left-handed sealing swivel nut entering the pump case place;

Be provided with tangential each other screw auger and the impeller of installing in b, its pump case of stage type discharge pump, dividing plate is equipped with in screw auger top near two tangent places, along impeller the curved baffle that the bottom links into an integrated entity with this dividing plate is housed tangentially, one section pump case from the screw auger top to the discharging opening front end is inner concavity along the impeller outer edge shape, and the power spindle of screw auger and impeller is equipped with O RunddichtringO and left-handed sealing swivel nut respectively entering the pump case place;

C, its output shaft of control motor of guillotine mechanism inserts in the hollow three-jaw mandrel hole and uses key connecting, float respectively in the three-jaw of mandrel and be equipped with centrifugal of the band friction lining, centrifugal outside suit steel wire collar, this mandrel is by antifriction-bearing box and its shell, saturating lid connects, be fixed with on this shell and hit iron and stir dish, its both sides are respectively by being fixed on outer nylon bumpar post and the cushion rubber thereof of being set with on the electric baseboard, saidly hit iron the nylon bumpar post is spacing cooperates with this, this is stirred, and off-centre is equipped with roller on the dish, slotted hole bearing fit on this roller and the pull bar that is arranged in the orienting sleeve, this pull bar top is fixed with hits dish, it is hinged with flashboard to hit dish, hit on the frame of dish top movable lance is housed, this hits dish and cooperates with this lance bump, and this lance and extension dish press from both sides plate machine in the bag mechanism and clash into and cooperate.

2, powder automatic quantitative bag filling machine according to claim 1, it is characterized in that corresponding paddle shaft to pump case on by puller bolt and big press beam to be equipped with to observe lid.

3, powder automatic quantitative bag filling machine according to claim 1, it is characterized in that the extension dish presss from both sides following its right-hand member of shell fragment assembly in the bag mechanism and is arranged on the micro-adjusting mechanism thread connection that is provided with on two pipes of scale pan lower end, discharge is chewed top and is equipped with near bar, should near the upper end of bar be contained in time-delay on the scale pan near the switch running-fit, discharge is chewed system that the bottom is welded with the tape spool hole, this system is equipped with the plate machine of with this making sub-running-fit by hinge by its axis hole and bearing pin and the flexible connection of scale support on this scale support.

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