CN211993532U - Cement paste feeding device - Google Patents

Abstract

The utility model discloses a grout loading attachment, including agitating unit, measuring device and discharging device, agitating unit includes upper end open-ended stirring fill, stirring fill internal rotation connection pivot one, evenly set up the puddler in the pivot one, measuring device includes upper end open-ended volume hopper, the volume hopper is located the stirring fill top, set up pressure sensor between volume hopper and the stirring fill, volume hopper inside below sets up two rotor plates, set up two rotor plates of drive while syntropy pivoted drive assembly on the volume hopper, discharging device includes the delivery pump, the feed inlet of delivery pump passes through connecting pipe one and stirring fill intercommunication, discharging pipe one is connected to the discharge gate of delivery pump, the utility model discloses to the form of grout material loading in to rabbling mechanism, the material loading efficiency is high, and the raise dust is little.

Description

Cement paste feeding device

Technical Field

The utility model belongs to the technical field of the grout stirring and specifically relates to a grout loading attachment is related to.

Background

With the popularization of mechanization, the existing concrete mixing is mainly performed by using a concrete mixer, and cement, silt, stone and the like are put into a mixing mechanism of the concrete mixer to be mixed so as to obtain the concrete for construction. The cement that uses now mainly is bagged cement, and it is main still to rely on the manpower to realize to put into concrete mixer's rabbling mechanism with bagged cement, and it is other to convey the rabbling mechanism feed inlet with bagged cement through the lifting machine, then carve the cement bag to rely on the manpower to pour cement into in the rabbling mechanism. The mode has high labor intensity, cement dust is more in the cement pouring process, and high-intensity labor is carried out in the environment with more dust, so that the body health of workers is greatly damaged; the large impurities contained in the cement are directly poured into the stirring mechanism without being filtered, and the blades in the stirring mechanism are easily damaged.

The chinese utility model patent with publication number CN209097776U discloses a cement feeding device, which comprises a feeding hopper, an operating arm, a tipping bucket hydraulic cylinder, a linear reciprocating mechanism, a bag grabbing mechanism and a bag breaking mechanism, wherein the front end surface of the feeding hopper is hollowed out, the front end of the operating arm is hinged to the bottom of the rear end surface of the feeding hopper, and the front end of the tipping bucket hydraulic cylinder is hinged to the middle or upper part of the rear end surface of the feeding hopper; a linear reciprocating walking part of the linear reciprocating mechanism penetrates through the rear end surface of the feeding hopper; grab bag mechanism and set up on the preceding end of the reciprocal running part of straight line of straight reciprocating motion mechanism, bag breaking mechanism sets up on the feeding funnel, this utility model discloses can replace the manpower to realize snatching of bagged cement, open and fall into among the rabbling mechanism of concrete mixer, thereby the human strength has been reduced, and need not artifically cut the bag, pour cement, labour personnel can keep away from and cut the bag, pour the place of cement, can effectively reduce because of cutting the bag, the harm to labour personnel's health that the cement dust that produces pours the cement dust, still carry out the material loading with the form of cement powder, the material loading speed is slow, although labour personnel keep away from the place that the raise dust is big, nevertheless the raise dust still exists, fundamentally does not solve the big problem of raise dust.

Chinese utility model patent publication No. CN207140067U discloses an automatic cement pulping machine, which comprises a bracket, a weighing sensor and a pulping barrel connected to the bracket, a pulping rotating shaft, an impeller and a plurality of drainage plates located in the pulping barrel, a speed reducer connected with the pulping rotating shaft through a pulping transmission assembly, and a controller electrically connected with the speed reducer, a water feeder and a cement feeder; the weighing sensor is used for weighing the pulping barrel and the pulp inside the pulping barrel and transmitting a weight signal to the controller; the impellers are arranged in a staggered manner in a three-layer structure, so that stirring is more sufficient; the drainage plate is fixed on the barrel wall in an inclined mode, so that slurry can be prevented from overflowing from the pulping barrel, the pulping quality and efficiency are high, the feeding mode of the feeding machine is gradually adding, stirring is carried out while adding, the stirring time is long, and the pulping efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art not enough, provide a grout loading attachment to the form of grout is to rabbling mechanism material loading, and material loading efficiency is high, and the raise dust pollutes for a short time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a grout loading attachment, includes agitating unit, measuring device and discharging device, agitating unit includes upper end open-ended stirring fill, stirring fill internal rotation connection pivot one, evenly set up the puddler in the pivot one, measuring device includes upper end open-ended volume hopper, the volume hopper is located the stirring fill top, set up pressure sensor between volume hopper and the stirring fill, the inside below of volume hopper sets up two rotor plates, set up two rotor plates of drive and syntropy pivoted drive assembly simultaneously on the volume hopper, discharging device includes the delivery pump, the feed inlet of delivery pump passes through connecting pipe one and the stirring fill intercommunication, discharging pipe one is connected to the discharge gate of delivery pump.

Further, drive assembly includes electric putter, two pivot and rotor plates, two pivot are fixed on the rotor plate, and the rotor plate rotates through two pivot and connects in the volume hopper, connect the dwang behind the two one ends of pivot wearing volume hopper lateral wall, the level sets up the connecting rod between two dwangs, the connecting rod both ends rotate with two dwangs respectively and are connected, volume hopper one side sets up protruding edge, protruding edge and adjacent dwang between rotate and connect electric putter.

Further, still include material feeding unit, material feeding unit includes feeder one and feeder two, set up the feeder hopper on the feeder one, the discharge gate of feeder one communicates with the feed inlet of feeder two, the discharge gate setting of feeder two is in the volume hopper top.

Furthermore, a discharge port of the delivery pump is connected with a second connecting pipe, the second connecting pipe is connected with a first discharge pipe and a second discharge pipe through a three-way joint, the first discharge pipe is provided with a first valve, and the second discharge pipe is provided with a second valve.

Furthermore, a water pipe is arranged on the stirring hopper, and an electric valve is installed on the water pipe.

Further, one or more landing legs are arranged on two sides of the measuring hopper respectively, the landing legs are of an L-shaped structure, reinforcing plates are arranged between transverse plates and vertical plates of the landing legs, pressure sensors are arranged on the bottom surfaces of the transverse plates of the landing legs, the bottom surfaces of the pressure sensors are in contact with the top surface of the stirring hopper, clamping plates are arranged below the transverse plates of the landing legs, the clamping plates are tightly attached to the outer wall of the stirring hopper, bolts are arranged on two sides of each landing leg, and the bolts are arranged on the top surface of the stirring hopper.

Further, discharging pipe one includes top tube and low tube, the low tube bottom sets up in three way connection, the flange is installed to the top tube bottom, the flange is down installed on the low tube top, go up flange one side and rotate with lower flange and be connected, the opposite side can be dismantled with lower flange and be connected.

Furthermore, a filter screen is arranged in the stirring hopper.

Furthermore, a crane is arranged outside the stirring hopper.

Further, the first feeder is driven by the first motor, the second feeder is driven by the second motor, the rotating shaft is driven by the third motor, the delivery pump is driven by the fourth motor, the pressure sensor is electrically connected with the input end of the PLC, and the first motor, the second motor, the third motor, the fourth motor, the electric push rod and the electric valve are respectively electrically connected with the output end of the PLC.

Along with the development of society, the demand of cement is more and more, when cement is fed into a stirring mechanism, raised cement dust can enter a human body through breathing, swallowing, skin and eyes or directly contact with the human body, a respiratory system inhales calcined clinker or cement dust to cause cement dust lung, the cement can generate alkaline substances such as calcium hydroxide when meeting water or sweat, skin is stimulated to cause dermatitis, the cement enters eyes to cause conjunctivitis and keratitis, and the harm to the human body is great, so that cement feeding devices for reducing cement raising dust appear on the market, the raising dust is reduced by enclosing tarpaulin, additionally arranging a baffle or adding an air suction device, the structure is simple, the cost is low, the raising dust can be reduced while the feeding requirement is met, the problem of large raising dust in the feeding process can be solved by directly stirring the cement into cement paste feeding, but the feeding process can be increased by using the cement paste feeding, the cost is increased, so a feeding device for feeding in a form of cement paste does not exist in the prior art.

The utility model has the advantages that:

1. cement powder is poured into the measuring hopper, when the pressure sensor below the measuring hopper measures that the cement powder in the measuring hopper reaches a certain mass, the rotating plate is turned, the cement powder enters the stirring hopper, a rotating shaft is arranged in the stirring hopper, a stirring rod is arranged on the rotating shaft, the cement powder and water in the stirring hopper are stirred into cement paste, the cement paste is sent into concrete stirring equipment through a first conveying pump and a first discharging pipe, the feeding is rapid, the raising dust can be greatly reduced by feeding in the form of cement paste, and the health of workers is protected; cement powder in the cement bin can directly get into the volume hopper, the rethread the utility model discloses stir into the form material loading of grout to the concrete mixing equipment in, greatly reduced from the cement bin to the degree of difficulty of material loading in the concrete mixing equipment.

2. Electric putter promotes adjacent dwang and rotates because the effect of connecting rod, and another dwang also rotates thereupon, drives two dwang syntropy upsets simultaneously, appears the space between the rotor plate, between rotor plate and the volume hopper, and the unloading is accomplished in the cement powder falls into the stirring fill from the space. During the unloading, the distance between rotor plate and the puddler is far away, and the rotor plate can not contact with the puddler, safe and reliable, and the practicality is strong.

3. The feeding device comprises a first feeding machine and a second feeding machine, a feeding hopper is arranged on the first feeding machine, a discharge port of the first feeding machine is communicated with a feed port of the second feeding machine, a discharge port of the second feeding machine is arranged above the measuring hopper, cement powder located at a lower position is conveyed to the measuring hopper located at a high position through the feeding device, and the feeding device is wide in application range.

4. The connecting pipe two-way connects discharging pipe one and discharging pipe two through three way connection, increases the way of cement output, and the applicable type is stronger, set up valve one on the discharging pipe one, set up valve two on the discharging pipe two, through the steerable cement output way in the stirring fill of the switching of valve one and valve two, the flexibility is stronger.

5. The stirring hopper is provided with a water pipe, the water pipe is provided with an electric valve, water is intermittently fed into the stirring hopper through the electric valve and the water pipe, timing and quantification are realized, manual control is not needed, and the automation degree is higher.

6. One or more L-shaped supporting legs are respectively arranged on two sides of the measuring hopper, a reinforcing plate is arranged between a transverse plate and a vertical plate of each supporting leg to increase the strength of each supporting leg, a pressure sensor is arranged on the bottom surface of the transverse plate of each supporting leg, and the bottom surface of the pressure sensor is in contact with the top surface of the stirring hopper to weigh the weight of the measuring hopper in real time; the clamping plate is arranged below the transverse plate of the L-shaped supporting leg, the clamping plate is tightly attached to the outer wall of the stirring hopper, bolts are arranged on two sides of the supporting leg, the bolts are arranged on the top surface of the stirring hopper, and the clamping plate and the bolts are arranged to enable the pressure sensor to be always in contact with the top surface of the stirring hopper, so that the weighing effect is guaranteed.

7. Discharging pipe one includes top tube and low tube, the low tube bottom sets up in three way connection, the flange is installed to the top tube bottom, the flange is installed down on the low tube top, top flange one side is rotated with lower flange and is connected, and the opposite side can be dismantled with lower flange and be connected, conveniently folds and washs discharging pipe inside.

8. Set up the filter screen in the stirring fill, filter the debris in the cement powder, prevent debris with connecting pipe and conveyer pipe jam, damage the delivery pump when reducing conveying efficiency, improve device operational reliability.

9. The feeder hopper side sets up the loop wheel machine, sets up a plurality of lifting hooks on the loop wheel machine, and the loop wheel machine can be hung the cement bag through the lifting hook, opens the cement bag and to the feeding hopper in unloading, uses manpower sparingly greatly.

10. The first feeder is driven by a first motor, the second feeder is driven by a second motor, the rotating shaft is driven by a third motor, the delivery pump is driven by a fourth motor, a door controller for controlling the opening and closing of the rotating plate is arranged on the measuring hopper, the pressure sensor is electrically connected with the input end of the PLC, the first motor, the second motor, the third motor, the fourth motor, the electric push rod and the electric valve are respectively and electrically connected with the output end of the PLC, the pressure sensor transmits the measured quality of the measuring hopper to the PLC, when the PLC judges that the quality of the measuring hopper reaches a set value after logic operation, the PLC controls the first motor and the second motor to stop rotating, then controls the electric push rod to extend, the rotating plate is opened, cement powder in the measuring hopper falls into the stirring hopper, meanwhile, the PLC controls the third motor to be started and the electric valve to be opened, the stirring rod stirs the cement powder and water in the measuring hopper, the PLC controls the electric push rod to be shortened, the rotating plate is closed, the PLC judges that the mass of the measuring hopper does not reach a set value after logical operation, the PLC controls the first motor and the second motor to be started, feeding is carried out in the measuring hopper, and when the PLC judges that the mass of the measuring hopper reaches the set value, the first motor and the second motor are controlled to stop rotating. After the cement powder and the water are stirred into uniform cement paste by the stirring rod, the PLC controls the motor III to stop rotating, the electric valve to be closed, controls the motor IV to be started, and the conveying pump sends out the cement paste in the stirring hopper. The cement above the connecting pipe in the stirring hopper is completely sent out, and when the quality of the measuring hopper reaches a set value, the PLC controls the electric push rod to extend, the rotating plate is opened, cement powder in the measuring hopper falls into the stirring hopper, the circulation is repeated, the automation degree is high, the pulping speed is high, and the efficiency is high.

Drawings

Fig. 1 is a first schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a second schematic structural diagram of the first embodiment of the present invention;

FIG. 3 is a schematic structural view of a leg;

FIG. 4 is a schematic view of the mixing hopper and its internal structure;

FIG. 5 is a schematic view of the metering hopper with the rotating plate closed;

FIG. 6 is a schematic view of the measuring hopper with the rotating plate open;

FIG. 7 is a schematic view of a pivotal plate and its connection structure;

FIG. 8 is a schematic connection diagram of a motor I, a motor II, a motor III, a motor IV, an electromagnetic valve, an electric push rod and a pressure sensor;

fig. 9 is a schematic structural diagram of a second embodiment of the present invention;

fig. 10 is a schematic structural view of a third embodiment of the present invention;

fig. 11 is a schematic structural view of a fourth embodiment of the present invention;

FIG. 12 is a schematic view of the connection of the upper and lower tubes;

wherein, 1-a stirring hopper, 2-a rotating shaft I, 3-a stirring rod, 4-a measuring hopper, 5-a supporting rod, 6-a pressure sensor, 7-a rotating plate, 8-a conveying pump, 9-a connecting pipe I, 10-a discharging pipe I, 11-a feeding machine I, 12-a feeding machine II, 13-a feeding hopper, 14-a connecting pipe II, 15-a three-way joint, 16-a discharging pipe II, 17-a water pipe, 18-an electric valve, 19-a supporting leg, 20-a reinforcing plate, 21-a clamping plate, 22-a bolt, 23-a stirring blade, 24-a filter screen, 25-a crane, 26-a motor I, 27-a motor II, 28-a motor III, 29-a motor IV, 30-a valve I, 31-a valve II and 32-an electric push rod, 33-PLC, 34-upper pipe, 35-lower pipe, 36-upper flange, 37-lower flange, 38-sealing ring, 39-rotating shaft II, 40-rotating rod, 41-connecting rod, 42-convex edge, 43-fixing plate, 44-pin shaft I, 45-pin shaft II and 46-electric push rod mounting bracket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1-8, a grout loading attachment, including material feeding unit, measuring device, agitating unit and discharging device, agitating unit is upper end open-ended steel stirring fill 1, stirring fill 1 structure is shown in 4, by the front bezel, the back plate, bottom plate and left and right sides board welding form, stirring fill 1 right side board center is beated out the through-hole through the puncher, stirring fill 1 left side board center is beated out the blind hole corresponding with the through-hole through the puncher, peg graft in the blind hole after the through-hole is passed to the one end of a steel pivot 2, pivot 2 goes up welded bearing, the global welding of outer loop of bearing is on the inner wall of through-hole. A plurality of stirring rods 3 are uniformly welded on the first rotating shaft 2 at equal angles, and the stirring rods 3 are perpendicular to the first rotating shaft 2.

Set up measuring device on stirring fill 1, measuring device includes upper end open-ended volume hopper 4, and the structure of volume hopper 4 is enclosed to close by front bezel, back plate, left and right sides board and bottom plate welding and forms as shown in fig. 5, and wherein the bottom plate is two rotor plates 7, and a solid cylinder steel pole is the L type through the bender buckling, and wherein, shorter pole is dwang 40, and longer pole is pivot two 39. As shown in fig. 5, two through holes for the second rotating shaft 39 to pass through are punched below the left side plate of the measuring hopper 4 through the punching machine, blind holes corresponding to the through holes are punched on the inner wall of the right side plate of the measuring hopper 4 through the punching machine, tapered roller bearings are welded on the second rotating shaft 39, the outer peripheral surfaces of the tapered roller bearings are welded on the inner wall of the through holes, and the end parts of the second rotating shaft 39 are inserted into the blind holes. The second rotating shaft 39 and the rotating plate 9 are connected in a manner shown in fig. 7, the second rotating shaft 39 is provided with three square holes processed by a lathe, the square holes are internally welded with a fixing plate 43 of a steel cuboid structure, the two rotating plates 7 are horizontally placed in the measuring hopper 4, the fixing plate 43 is welded on the bottom surface of the rotating plate 7, the bottom surface of the rotating plate 7 is provided with a groove matched with the second rotating shaft 39 above the fixing plate 43 by the lathe, and the included angle between the rotating rod 40 and the rotating plate 7 is 45 degrees. Set up 2 connecting rods 41 between dwang 40 top, two connecting rods 41 are parallel, and dwang 40 is located between two connecting rods 41, beats corresponding three through-hole on connecting rod 41 and the dwang 40 top, and a through-hole interpolation round pin axle 44, and the round pin axle 44 other end passes through the split pin and fixes. Welding is protruding along 42 on the volume hopper left side board, protruding along 42 is the cuboid steel sheet, set up electric putter 32 between protruding edge 42 and the dwang 40 that closes on, electric putter 32 bottom installation electric putter installing support 46, electric putter installing support 46 passes through the bolt fastening on protruding edge 42, cut out through the cutting machine on the dwang 40 with electric putter 32 top assorted through-hole, the through-hole of cross-contrast is beaten out through the puncher on through-hole both sides wall and electric putter 32 top, peg pin axle two 45 in the through-hole, the two 45 other ends of pin axle are fixed through the split pin, electric putter 32 extends, rotor plate 7 can be opened, the state when opening is shown in figure 6. Two landing legs 19 are respectively arranged on the left side and the right side of the measuring hopper 4, the landing legs 19 are in the structure shown in fig. 3, the landing legs 19 are angle steel, the vertical plates of the landing legs 19 are respectively welded on the left side plate and the right side plate of the measuring hopper 4, the bottom surfaces of the transverse plates of the landing legs 19 and the bottom surfaces of the left side plate and the right side plate of the measuring hopper 4 are located on the same plane, pressure sensors 6 are arranged on the bottom surfaces of the transverse plates of the landing legs 19 in a gluing mode and the like, the pressure sensors 6 are spoke type pressure sensors, and the pressure sensors 6 are respectively arranged on the top surfaces. A clamping plate 21 is welded below a transverse plate of each supporting leg 19, as shown in fig. 1 and fig. 2, the clamping plate 21 is tightly attached to the outer walls of a front plate and a rear plate of the stirring bucket 1 respectively, bolts 22 are vertically arranged on two sides of each supporting leg 19, screw holes matched with the bolts 22 are formed in the top surface of the stirring bucket 1 through a tapping machine, the bolts 22 are screwed in the screw holes, and studs of the bolts 22 are tightly attached to two sides of each supporting leg 19. In order to increase the strength of the supporting leg 19, a reinforcing plate 20 is welded between the transverse plate and the vertical plate of the supporting leg 19, and the reinforcing plate 20 is a triangular steel plate.

As shown in fig. 1, the right side of stirring fill 1 sets up discharging device, discharging device includes delivery pump 8, feed inlet installation connecting pipe one 9 of delivery pump 8, the other end welding of connecting pipe one 9 is in stirring fill 1 right side board below, beat out the through-hole with connecting pipe one 9 assorted on the stirring fill 1 right side board through the puncher, delivery pump 8's discharge gate installation connecting pipe two 14, connecting pipe two 14's other end installation three way connection 15, install discharging pipe one 10 and discharging pipe two 16 in the three way connection 15 respectively, the standpipe of discharging pipe one 10 is perpendicular with ground, for increasing the stability in use of discharging pipe one 10, install the pipe strap between discharging pipe 10 and the stirring fill 1, discharging pipe one 10 can carry out the material loading to the automatic feeding trucd mixer. The second discharge pipe 16 is a rubber hose and can be used for feeding the stirrer. The first discharge pipe 10 is provided with a first valve 30, the second discharge pipe 16 is provided with a second valve 31, and the first valve 30 and the second valve 31 are butterfly valves. Welding steel filter screen 24 in stirring fill 1, the last hole that can supply pivot one 2 to pass that sets up of filter screen 24, for preventing that the grout from not directly passing through the delivery pump 8 output through filter screen 24, filter screen 24 sets up in stirring fill 1 on volume hopper 4 right side. As shown in FIG. 2, a water pipe 17 is arranged outside the stirring bucket 1, the middle part of the water pipe 17 is fixed on the front plate of the stirring bucket 1 through a pipe clamp, the water outlet of the water pipe 17 is positioned above the opening of the stirring bucket 1, and an electric valve 18 is arranged on the water pipe 17.

The embodiment further comprises a feeding device, the feeding device comprises a first feeding machine 11 and a second feeding machine 12, the first feeding machine 11 is an LS-type spiral feeding machine, a feeding hopper 13 is arranged on the first feeding machine, the second feeding machine 12 is two tubular spiral feeding machines which are communicated with each other and are respectively located on two sides of the first discharging pipe 10, a V-shaped structure is formed between the two feeding machines, in order to ensure stability of the device in operation, as shown in fig. 1, steel supporting rods 5 are respectively welded between the two feeding machines 12 and the side walls of the adjacent measuring hoppers 4, feed inlets of the two feeding machines 12 are communicated with discharge outlets of the first feeding machine 11, and discharge outlets of the two feeding machines.

The first feeding machine 11 is driven by a first motor 26, the second feeding machines 12 are respectively driven by two second motors 27, the first rotating shaft 2 is driven by a third motor 28, the conveying pump 8 is driven by a fourth motor 29, for example, as shown in fig. 1, left and right mounting tables are respectively and horizontally welded to the bottom parts of the left and right sides of the stirring hopper 1, the first feeding machine 11 is mounted on the left mounting table, the conveying pump 8 and the fourth motor 29 are both mounted on the right mounting table, the third motor 28 is mounted on the right mounting table because the first rotating shaft 2 is located in the center of a right side plate of the stirring hopper 1, a belt is mounted between an output shaft of the third motor 28 and the other end of the first rotating shaft 2, and the third motor 28 drives.

As shown in fig. 8, the pressure sensor 6 is electrically connected to an input terminal of the PLC33, and control terminals of the first motor 26, the second motor 27, the third motor 28, the fourth motor 29, the electrically operated valve 18 and the electrically operated push rod 32 are electrically connected to an output terminal of the PLC33, respectively, so as to ensure that the PLC33 can simultaneously control the devices connected thereto, two PLCs 33 are used, and two PLCs 33 communicate to control the devices. The pressure sensor 6 transmits the measured mass of the measuring hopper 4 to the PLC33, when the PLC33 judges that the mass of the measuring hopper 4 reaches a set value after logical operation, the PLC33 controls the first motor 26 and the second motor 27 to stop rotating, then the electric push rod 32 is controlled to extend, the rotating plate 7 is controlled to open, cement powder in the measuring hopper 4 falls into the stirring hopper 1, meanwhile, the PLC controls the third motor 28 to start, the electric valve 18 to open, the stirring rod 3 stirs the cement powder and water in the measuring hopper 4, after the cement powder is completely put into the stirring hopper 1, the PLC33 controls the electric push rod 32 to shorten, the rotating plate 7 is closed, at the moment, the PLC33 judges that the mass of the measuring hopper 4 does not reach the set value after logical operation, the PLC33 controls the first motor 26 and the second motor 27 to start, the vector hopper 4 to feed, and the PLC33 controls the first motor 26 and the second motor 27 to stop rotating when the mass of the measuring hopper 4. After the cement powder and the water are stirred into uniform cement paste by the stirring rod 3, the PLC controls the motor III 28 to stop rotating, the electric valve 18 to be closed, controls the motor IV 29 to be started, and the conveying pump 8 sends out the cement paste in the stirring hopper 1. And when the cement above the first connecting pipe 9 in the stirring hopper 1 is completely sent out and the mass of the measuring hopper 4 reaches a set value, the PLC33 controls the electric push rod 32 to extend, the rotating plate 7 is opened, and the cement powder in the measuring hopper 4 falls into the stirring hopper 1 to circulate.

Example two

As shown in fig. 9, the second embodiment of the present invention is different from the first embodiment in that the mounting table on one side of the feeding hopper 13 is provided with a crane 25 mounted on a vehicle through a bolt, the crane 25 is provided with a hook on the crane 25, and the cement bag can be lifted to the upper side of the feeding hopper 13, opened and fed into the feeding hopper 13.

EXAMPLE III

As shown in fig. 10, a third embodiment of the present invention is different from the first embodiment in that a stirring blade 23 having a rectangular parallelepiped plate-shaped structure is welded to an end of each stirring rod 3. The stirring rod tip sets up the stirring leaf, when shortening the churning time, makes the stirring more even.

Example four

Fig. 11 and 12 show a fourth embodiment of the present invention, the difference between the present embodiment and the first embodiment is that the first discharging pipe 10 is composed of an upper pipe 34 and a lower pipe 35, the bottom end of the lower pipe 35 is vertically installed in the three-way joint 15, the upper flange 36 is press-fitted at the bottom end of the upper pipe 34, the first lugs of the cuboid shape are welded at both sides of the upper flange 36, the lower flange 37 is press-fitted at the top end of the lower pipe 35, the second lugs of the cuboid shape are welded at both sides of the lower flange 37, the first lugs and the second lugs correspond to each other up and down, the first lugs and the second lugs at the same side are hinged by a hinge, the first lugs and the second lugs at the same side are respectively provided with through holes corresponding up and down through a cement paste puncher, bolts are inserted in the through holes, nuts are arranged at the other ends of the bolts, in order.

EXAMPLE five

The difference between the embodiment and the embodiment one is that a tarpaulin is enclosed between the discharge port of the second feeder 12 and the outer wall of the measuring hopper 4, and when the second feeder 12 feeds into the measuring hopper 4, cement powder cannot float around, so that dust pollution is further reduced.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The cement paste feeding device is characterized by comprising a stirring device, a measuring device and a discharging device, wherein the stirring device comprises a stirring hopper (1) with an opening at the upper end, a rotating shaft I (2) is rotationally connected in the stirring hopper (1), stirring rods (3) are uniformly arranged on the rotating shaft I (2), the measuring device comprises a measuring hopper (4) with an opening at the upper end, the measuring hopper (4) is positioned above the stirring hopper (1), a pressure sensor (6) is arranged between the measuring hopper (4) and the stirring hopper (1), two rotating plates (7) are arranged below the inner part of the measuring hopper, a driving assembly for driving the two rotating plates (7) to rotate in the same direction simultaneously is arranged on the measuring hopper (4), the discharging device comprises a conveying pump (8), and the feeding port of the conveying pump (8) is communicated with the stirring hopper (1) through a connecting pipe I (9), and a discharge hole of the delivery pump (8) is connected with a first discharge pipe (10).

2. The cement paste feeding device according to claim 1, wherein the driving assembly comprises an electric push rod (32), a second rotating shaft (39) and a rotating plate (7), the second rotating shaft (39) is fixed on the rotating plate (7), the rotating plate (7) is rotatably connected into the measuring hopper through the second rotating shaft (39), one end of the second rotating shaft (39) penetrates through the side wall of the measuring hopper (4) and then is connected with a rotating rod (40), a connecting rod (41) is horizontally arranged between the two rotating rods (40), two ends of the connecting rod (41) are rotatably connected with the two rotating rods (40) respectively, one side of the measuring hopper (4) is provided with a convex edge (42), and the convex edge (42) and the adjacent rotating rod (40) are rotatably connected with the electric push rod (32).

3. The cement slurry feeding device according to claim 2, further comprising a feeding device, wherein the feeding device comprises a first feeding machine (11) and a second feeding machine (12), a feeding hopper (13) is arranged on the first feeding machine (11), a discharging port of the first feeding machine (11) is communicated with a feeding port of the second feeding machine (12), and a discharging port of the second feeding machine (12) is arranged above the measuring hopper (4).

4. A cement paste feeding device according to claim 1, characterized in that the discharge hole of the delivery pump (8) is connected with a second connecting pipe (14), the second connecting pipe (14) is connected with a first discharge pipe (10) and a second discharge pipe (16) through a three-way joint (15), the first discharge pipe (10) is provided with a first valve (30), and the second discharge pipe (16) is provided with a second valve (31).

5. A cement slurry feeding device according to claim 1, characterized in that a water pipe (17) is arranged on the stirring hopper (1), and an electric valve (18) is arranged on the water pipe (17).

6. A cement paste feeding device according to claim 1, characterized in that a plurality of support legs (19) are respectively arranged on two sides of the measuring hopper (4), the support legs (19) are L-shaped, a pressure sensor (6) is arranged on the bottom surface of a transverse plate of each support leg (19), the bottom surface of each pressure sensor (6) is in contact with the top surface of the stirring hopper (1), a clamping plate (21) is arranged below the transverse plate of each support leg (19), the clamping plate (21) is tightly attached to the outer wall of the stirring hopper (1), bolts (22) are arranged on two sides of each support leg (19), and the bolts (22) are arranged on the top surface of the stirring hopper (1).

7. A cement paste feeding device according to claim 4, wherein the first discharging pipe (10) comprises an upper pipe (34) and a lower pipe (35), the bottom end of the lower pipe (35) is arranged in the tee joint (15), the bottom end of the upper pipe (34) is provided with an upper flange (36), the top end of the lower pipe (35) is provided with a lower flange (37), one side of the upper flange (36) is rotatably connected with the lower flange (37), and the other side of the upper flange is detachably connected with the lower flange (37).

8. A cement slurry feeding device according to claim 1, characterized in that a sieve (24) is arranged in the mixing hopper (1).

9. A cement slurry feeding device according to claim 1, characterized in that a crane (25) is arranged outside the mixing hopper (1).

10. A cement slurry feeding device according to claim 3, wherein the first feeder (11) is driven by a first motor (26), the second feeder (12) is driven by a second motor (27), the first rotating shaft (2) is driven by a third motor (28), the delivery pump (8) is driven by a fourth motor (29), the pressure sensor (6) is electrically connected with the input end of the PLC (33), and the first motor (26), the second motor (27), the third motor (28), the fourth motor (29), the electric push rod (32) and the electric valve (18) are respectively electrically connected with the output end of the PLC (33).

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