阅读说明：本技术 一种外加剂称量装置 (Additive weighing device ) 是由 郑晓刚 方毅 张俊 何新初 王斌 陆学富 冯新红 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种外加剂称量装置,包括进料装置、称量斗、防漏料装置以及水秤斗；所述进料装置用于搅拌和输送外加剂,外加剂加入至进料装置中,进料装置导入称量斗内部进行定量称量,称量后外加剂通过防漏料装置导入水秤斗的内部；所述称量斗连通设置于进料装置的输出端,通过称量斗对外加剂进行定量称量,称量斗用于防止称量时外加剂飞溅或溢出；所述防漏料装置用于在称量斗称量时通过控制连通方向防止称量斗内外加剂渗漏落入水秤斗的内部,且称量斗称量完成后将外加剂导入水秤斗的内部,该发明有效避免了外加剂称量过程中泄露以及溢出的问题。(The invention discloses an additive weighing device, which comprises a feeding device, a weighing hopper, a leakage-proof device and a water weighing hopper; the feeding device is used for stirring and conveying the additive, the additive is added into the feeding device, the feeding device is guided into the weighing hopper for quantitative weighing, and the weighed additive is guided into the water scale hopper through the leakage-proof device; the weighing hopper is communicated with the output end of the feeding device, the additive is quantitatively weighed through the weighing hopper, and the weighing hopper is used for preventing the additive from splashing or overflowing during weighing; the leakage-proof device is used for preventing additive from leaking into the inside of the water scale bucket through controlling the communication direction when the scale bucket is used for weighing, and the additive is guided into the inside of the water scale bucket after the scale bucket is used for weighing, so that the problems of leakage and overflow in the additive weighing process are effectively avoided.)

1. An additive weighing device which is characterized in that: comprises a feeding device, a weighing hopper, a leakage-proof device and a water scale hopper;

the feeding device is used for stirring and conveying the additive, the additive is added into the feeding device, the feeding device is guided into the weighing hopper for quantitative weighing, and the weighed additive is guided into the water scale hopper through the leakage-proof device;

the weighing hopper is communicated with the output end of the feeding device, the additive is quantitatively weighed through the weighing hopper, and the weighing hopper is used for preventing the additive from splashing or overflowing during weighing;

the leakage-proof device is used for preventing the admixture in the weighing hopper from leaking into the water weighing hopper by controlling the communication direction when the weighing hopper is used for weighing, and the admixture is guided into the water weighing hopper after the weighing hopper is used for weighing;

the water scale bucket is communicated with the leakage-proof device and is used for receiving the weighed additive and mixing the weighed additive with concrete in the water scale bucket.

2. The admixture weighing apparatus of claim 1, wherein: the feeding device comprises a feed hopper, a valve and at least one group of conveying pipes;

the feed hopper is used for collecting the proportioned additive and/or blending and mixing the additive;

the conveying pipes are used for conveying the additive, at least one group of conveying pipes is arranged, and the apertures of the plurality of groups of conveying pipes are different;

the valve is used for controlling the communication and the closing of the conveying pipeline in the conveying pipe.

3. The admixture weighing apparatus of claim 1, wherein: the weighing hopper comprises a weighing hopper body, a sensor, a suspension device, a sealing cover and a discharge valve;

the suspension device is used for suspending the weighing hopper body inside the bracket;

the sensor is used for detecting the weight of the weighing hopper body and the weight of the contents in the weighing hopper body, and the contents in the weighing hopper body are weighed;

the sealing cover is arranged at the top of the weighing hopper main body and used for preventing the contents in the weighing hopper main body from splashing;

the discharge valve is used for controlling the discharge of the contents in the weighing hopper body, the discharge valve is electrically connected with the sensor, and the discharge valve controls the opening or closing of the discharge valve along with the weighing result in the sensor.

4. The admixture weighing apparatus of claim 1, wherein: the weighing hopper body also comprises an overflow port, an overflow pipe and a material flow detection device;

the overflow port is arranged at the top of the inner wall of the weighing hopper main body and communicated with the overflow pipe, and the material flow detection device is arranged in the overflow pipe.

5. The admixture weighing apparatus of claim 1, wherein: the material leakage prevention device comprises a feeding guide pipe, a turnover mechanism, a driving mechanism, a feeding diversion bin and a material leakage diversion bin;

the feeding guide pipe is used for conducting flow guide control on an additive, and the feeding guide pipe rotates or overturns through the overturning mechanism;

the driving mechanism is used for controlling the feeding guide pipe to rotate or turn along the turning mechanism so as to change the flow guide direction of the feeding guide pipe;

the feeding diversion bin is used for collecting the admixture weighed by the weighing hopper and guiding the admixture into the water weighing hopper;

the feeding diversion bin is used for collecting the additive leaked by the symmetrical measuring hopper.

6. The admixture weighing apparatus of claim 5, wherein: the leakage-proof device further comprises a protective cover and a position signal detection sensor, the protective cover is covered outside the feeding guide pipe, the position signal detection sensor is arranged in the protective cover, and the position signal detection sensor is electrically connected with the discharge valve.

7. The admixture weighing apparatus of claim 2, wherein: the tail end of the conveying pipe is communicated with a defoaming device, and the defoaming device comprises a connecting pipe, a helical blade, a filtering plate and an extension hose;

the connecting pipe is connected at the end of conveyer pipe, and the inside rotation of connecting pipe is equipped with and is used for carrying and tentatively removing the helical blade of bubble to the admixture, helical blade's below is equipped with and is used for filtering and removing the bubble filter to the admixture, the extension hose extends the setting and deviates from the one end of conveyer pipe at the connecting pipe, and the extension hose adopts flexible material.

8. The admixture weighing apparatus of claim 7, wherein: the defoaming device is characterized in that a defoaming rod is rotatably arranged on the upper surface of the filter plate and is attached to the surface of the filter plate, an inclined plane part is arranged at one end, attached to the filter plate, of the defoaming rod, and the defoaming rod is used for extruding an additive into a defoaming filter plate to extrude and defoam the additive.

9. The admixture weighing apparatus of claim 8, wherein: the utility model discloses a take out the movable connecting rod that the movable connecting rod slides and cup joints in fixed loop bar, take out the bubble pole and deviate from helical blade's one end fixedly connected with buffer beam, the buffer beam is including buffering nose bar, spring, movable connecting rod and fixed loop bar, fixed loop bar fixed connection is in the one end that the bubble pole deviates from helical blade, movable connecting rod slides and cup joints the inside at fixed loop bar, buffering nose bar fixed connection is in the one end that movable connecting rod deviates from fixed loop bar, just link to each other through spring elasticity between buffering nose bar and the fixed loop bar, the inside lug that is equipped with and cushions nose bar looks adaptation of connecting tube.

10. The admixture weighing apparatus of claim 9, wherein: the movable connecting rod deviates from one end fixedly connected with transmission rod of the buffering convex rod, the transmission rod deviates from one end of the movable connecting rod and is connected to the inside of the defoaming rod in a sliding mode, the lower end of the transmission rod is fixedly connected with a cleaning rod, a cleaning brush is installed on the lower end face of the cleaning rod, and the cleaning brush is attached to the surface of the filter plate.

Technical Field

The invention relates to the technical field of concrete preparation, in particular to an additive weighing device.

Background

In the concrete production process, additives are often required to be added to change the characteristics of the produced concrete, such as a water reducing agent, an air entraining agent, a pumping aid and the like, which can improve the rheological property of a concrete mixture, a retarder, an early strength agent, an accelerator and the like, which can adjust the setting time and the hardening property of the concrete, and an air entraining agent, a waterproofing agent, a rust inhibitor and the like, which can improve the durability of the concrete, so the additives are required to be widely applied in the concrete production.

The invention discloses a Chinese patent publication No. CN213081889U, and relates to the technical field of raw material mixing, in particular to an accurate metering and batching device of a concrete mixing plant, which can screen out large sundries in concrete raw materials and reduce the failure rate of the accurate metering and batching device of the concrete mixing plant, thereby increasing the practicability; the device comprises a mounting rack and two groups of metering and batching mechanisms, wherein four groups of supporting legs are arranged at the bottom end of the mounting rack, and mounting holes are formed in the left part area and the right part area of the top end of the mounting rack in a penetrating manner; still include the fixed plate, motor element, the chain, power sprocket, driven sprocket, the backup pad, the power rim plate, the drive board, drive axle, the driving shaft, lift the pole, the pivot, two sets of backup pads, first rotation board, three sets of sieve, two sets of screen cloth and second rotor plates, the right-hand member of fixed plate is connected with the left end top region of mounting bracket, motor element installs in the front portion region in the top left side of fixed plate, motor element's output and power sprocket key-type connection, the left end and the power sprocket rotation of chain are connected.

However, the following problems exist in the current using process: the concrete admixture is viscous liquid, and partial varieties (such as air entraining agent and the like) are easy to generate foam in the flowing process, and are easy to generate splashing in the batching and unloading processes, so that the environmental pollution and the material waste are caused, and when the batching fails, the risk of scale bucket overflow exists, so that the concrete safety quality accident can be caused; when the discharge door of the scale hopper fails, the phenomenon that leaked materials directly enter a stirrer (or a water scale) exists, so that the problem of concrete safety accidents is caused.

Therefore, it is necessary to provide an admixture weighing apparatus to solve the above technical problems.

Disclosure of Invention

The invention aims to provide an additive weighing device to solve the technical problems.

In order to achieve the purpose, the invention provides the following technical scheme: an additive weighing device comprises a feeding device, a weighing hopper, a leakage-proof device and a water scale hopper;

the feeding device is used for stirring and conveying the admixture, the admixture is added into the feeding device, the feeding device is guided into the weighing hopper for quantitative weighing, and the weighed admixture is guided into the water scale hopper through the leakage-proof device;

the weighing hopper is communicated with the output end of the feeding device, the additive is quantitatively weighed through the weighing hopper, and the weighing hopper is used for preventing the additive from splashing or overflowing during weighing;

the leakage-proof device is used for preventing additive inside and outside the weighing hopper from leaking into the interior of the water weighing hopper by controlling the communication direction when the weighing hopper is used for weighing, and the additive is guided into the interior of the water weighing hopper after the weighing hopper is used for weighing;

the water scale hopper is communicated with the leakage-proof device and is used for receiving the weighed additive and mixing the weighed additive with concrete in the water scale hopper;

further, the feeding device comprises a feed hopper, a valve and at least one group of conveying pipes;

the feed hopper is used for collecting the proportioned additive and/or blending and mixing the additive;

the conveying pipes are used for conveying the additive, at least one group of conveying pipes is arranged, and the apertures of the plurality of groups of conveying pipes are different;

the valve is used for controlling the communication and the closing of the conveying pipeline in the conveying pipe.

Further, the weighing hopper comprises a weighing hopper body, a sensor, a suspension device, a sealing cover and a discharge valve;

the suspension device is used for suspending the weighing hopper body inside the bracket;

the sensor is used for detecting the weight of the weighing hopper body and the weight of the contents in the weighing hopper body, and the contents in the weighing hopper body are weighed;

the sealing cover is arranged at the top of the weighing hopper main body and used for preventing the contents in the weighing hopper main body from splashing;

the discharge valve is used for controlling the discharge of the contents in the weighing hopper body, the discharge valve is electrically connected with the sensor, and the discharge valve controls the opening or closing of the discharge valve along with the weighing result in the sensor.

Furthermore, the weighing hopper body also comprises an overflow port, an overflow pipe and a material flow detection device;

the overflow port is arranged at the top of the inner wall of the weighing hopper and communicated with the overflow pipe, and the material flow detection device is arranged in the overflow pipe.

Further, the material leakage prevention device comprises a feeding guide pipe, a turnover mechanism, a driving mechanism, a feeding diversion bin and a material leakage diversion bin;

the feeding guide pipe is used for conducting flow guide control on an additive, and the feeding guide pipe rotates or overturns through the overturning mechanism;

the driving mechanism is used for controlling the feeding guide pipe to rotate or turn along the turning mechanism so as to change the flow guide direction of the feeding guide pipe;

the feeding diversion bin is used for collecting the admixture weighed by the weighing hopper and guiding the admixture into the water weighing hopper;

the feeding diversion bin is used for collecting the additive leaked by the symmetrical measuring hopper.

Further, leak protection material device is still including safety cover and position signal detection sensor, and the safety cover is covered and is established in the feeding inlet pipe outside, is equipped with position signal detection sensor in the safety cover, position signal detection sensor and discharge valve electrical property link to each other.

Furthermore, the tail end of the conveying pipe is communicated with a defoaming device, and the defoaming device comprises a connecting pipe, a helical blade, a filtering plate and an extension hose;

the connecting pipe is connected at the end of conveyer pipe, and the inside rotation of connecting pipe is equipped with and is used for carrying and tentatively removing the helical blade of bubble to the admixture, helical blade's below is equipped with and is used for filtering and removing the bubble filter to the admixture, the extension hose extends the setting and deviates from the one end of conveyer pipe at the connecting pipe, and the extension hose adopts flexible material.

Further, the filter upper surface rotates and is provided with the defoaming pole, defoaming pole and filter plate surface laminating, just the one end of defoaming pole and filter laminating is equipped with inclined plane portion, the defoaming pole is used for extrudeing the admixture and gets rid of the bubble filter and extrude and the defoaming to the admixture.

Further, the defoaming pole deviates from helical blade's one end fixedly connected with buffer beam, the buffer beam is including buffering nose bar, spring, movable connecting rod and fixed loop bar, fixed loop bar fixed connection is in the one end that the defoaming pole deviates from helical blade, movable connecting rod slides and cup joints the inside at fixed loop bar, buffering nose bar fixed connection is in the one end that movable connecting rod deviates from fixed loop bar, just link to each other through spring elasticity between buffering nose bar and the fixed loop bar, the inside lug that is equipped with and cushions nose bar looks adaptation of connecting pipe.

Furthermore, the movable connecting rod deviates from one end fixedly connected with transmission rod of buffering protruding pole, just the one end sliding connection that the transmission rod deviates from the movable connecting rod is in the inside of defoaming pole, the lower extreme fixedly connected with clearance pole of transmission rod, the lower terminal surface of clearance pole is installed the clearance brush, clearance brush and filter surface laminating.

During the use, leading-in to the inside of weighing hopper through feed arrangement behind the additive ratio, carry out the weight through the weighing hopper to the additive and weigh, weigh after weight reaches the default, in leading into the water balance hopper through leak protection material device, leak protection material device and water balance hopper do not communicate in weighing process for prevent to weigh in-process weighing hopper and take place the material leakage, influence the mixing ratio of additive and concrete raw materials.

According to the invention, by the ingenious matching of the feeding device, the weighing hopper, the leakage-proof device and the water scale hopper, the influence of the splashing of the admixture on the production environment during weighing is prevented, and the leakage-proof device effectively avoids the admixture from overflowing or leaking into the water scale hopper after equipment failure to form production accidents or waste of raw materials.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the feed apparatus of the present invention;

FIG. 4 is a schematic view of the scale hopper construction of the present invention;

FIG. 5 is a schematic view of the structure of the material leakage preventing device of the present invention;

FIG. 6 is a schematic view of the defoaming apparatus of the present invention;

FIG. 7 is a schematic view of the internal structure of the defoaming apparatus of the present invention;

FIG. 8 is a schematic view of the defoaming bar attachment structure of the present invention;

FIG. 9 is a schematic view of the defoaming bar of the present invention;

FIG. 10 is a cross-sectional view of the buffer rod of the present invention.

In the figure: 1. a support; 2. a feeding device; 21. a feed hopper; 22. a first feed tube; 23. a second feed tube; 24. a valve; 3. a weighing hopper; 31. a sensor; 32. a suspension device; 33. a sealing cover; 34. an overflow port; 35. an overflow pipe; 36. a discharge valve; 37. a material flow detection device; 4. a material leakage prevention device; 41. a protective cover; 42. feeding and leading pipes; 43. a turnover mechanism; 44. a drive mechanism; 45. a feeding diversion bin; 46. a material leakage diversion bin; 47. a material leakage drainage tube; 48. a position signal detection sensor; 5. a water scale bucket; 6. a collection barrel; 7. a defoaming device; 71. a connecting pipe; 72. a helical blade; 73. a filter plate; 74. an extension hose; 75. a defoaming rod; 751. cutting the grid plate; 752. a transmission rod; 753. cleaning the rod; 754. cleaning the brush; 76. a bump; 77. a buffer rod; 771. a buffer convex rod; 772. a spring; 773. a movable connecting rod; 774. and fixing the loop bar.

Detailed Description

In one embodiment, as shown in fig. 1-2, fig. 1 and 2 are schematic structural diagrams of the present invention at different viewing angles, and an admixture weighing apparatus includes a feeding device 2, a weighing hopper 3, a leakage-proof device 4, and a water weighing hopper 5;

the feeding device 2 is used for stirring and conveying the additive, the additive is added into the feeding device 2, the feeding device 2 is guided into the weighing hopper 3 for quantitative weighing, and the weighed additive is guided into the water scale hopper 5 through the leakage-proof device 4;

the weighing hopper 3 is communicated with the output end of the feeding device 2, the additive is quantitatively weighed through the weighing hopper 3, and the weighing hopper 3 is used for preventing the additive from splashing or overflowing during weighing;

the leakage-proof device 4 is used for preventing additive inside and outside the weighing hopper 3 from leaking into the water weighing hopper 5 by controlling the communication direction when the weighing hopper 3 is used for weighing, and the additive is guided into the water weighing hopper 5 after the weighing hopper 3 is used for weighing;

the water scale bucket 5 is communicated with the leakage-proof device 4, and the water scale bucket 5 is used for receiving the weighed additive and mixing the weighed additive with concrete in the water scale bucket 5.

In one case of this embodiment, a support 1 is also provided for connecting and fixing the feed device 2, the weighing hopper 3, the leakage preventing device 4 and the water weighing hopper 5 in position.

In one aspect of this embodiment, feed arrangement 2, weighing hopper 3, leak protection material device 4 and water balance 5 set gradually from top to bottom, fix feed arrangement 2, weighing hopper 3, leak protection material device 4 and water balance 5 position through support 1, and the end of feed arrangement 2 extends to the inside of weighing hopper 3, and leak protection material device 4 arranges the below of weighing hopper 3 in, and water balance 5 is located leak protection material device 4's below one side.

In this embodiment, the admixture is guided into the inside of weighing hopper 3 through feed arrangement 2 after the ratio, carries out the weight weighing to the admixture through weighing hopper 3, weighs after the weight reaches the default, in leading into water weighing hopper 5 through leak protection material device 4, leak protection material device 4 and water weighing hopper 5 do not communicate in weighing process for prevent to weigh in-process weighing hopper 3 and take place the material leakage, influence the mixing ratio of admixture and concrete raw materials.

In one embodiment, in conjunction with the embodiment of fig. 3 and above: the feeding device 2 comprises a feed hopper 21, a valve 24 and at least one group of conveying pipes;

the feed hopper 21 is used for collecting the proportioned additive and/or blending and mixing the additive;

the conveying pipes are used for conveying the additive, at least one group of conveying pipes is arranged, and the apertures of the plurality of groups of conveying pipes are different;

the valve 24 is used for controlling the communication and closing of the conveying pipeline inside the conveying pipe.

In one aspect of this embodiment, the bottom of the hopper 21 communicates with a delivery pipe, a valve 24 is mounted in the lower portion of the delivery pipe, and the bottom of the delivery pipe extends to the interior of the weighing hopper 3.

In one aspect of this embodiment, referring to fig. 2 and 3, the delivery pipe is provided with two sets, namely a first feeding pipe 22 and a second feeding pipe 23, and the first feeding pipe 22 and the second feeding pipe 23 are both provided with a valve 24 for controlling the communication and closing of the internal pipelines of the second feeding pipe 23 and the valve 24.

In one aspect of this embodiment, the first feed line 22 and the second feed line 23 are of different diameters, wherein the diameter of the second feed line 23 is greater than the diameter of the first feed line 22.

In this embodiment, the additive is collected by the feed hopper 21 and then transferred to the inside of the weighing hopper 3 through the transfer pipe under the action of gravity, and the transfer amount of the additive is controlled by the valve 24 during the transfer process.

Wherein the conveyer pipe accessible sets up the multiunit, with the defeated material speed and the effect that improve feed arrangement 2, and help alleviating defeated material pressure, produce the impact when reducing the admixture and carrying, the risk that leads to splashing, the multiunit conveyer pipe passes through the pipe diameter difference simultaneously, it controls the defeated material to combine valve 24, can realize the feeding control of different precisions, if set up first inlet pipe 22 and second inlet pipe 23, first inlet pipe 22 pipe diameter is less than second inlet pipe 23, open first inlet pipe 22 and second inlet pipe 23 simultaneously during the defeated material and carry out the defeated material, close second inlet pipe 23 when adding dosage weight and closing on the required value inside and outside weighing hopper 3, it is reinforced step by step through first inlet pipe 22, greatly improve feed arrangement 2's defeated material precision.

In one embodiment, in conjunction with fig. 1-4 and the previous embodiments, scale hopper 3 includes a scale hopper body, a sensor 31, a suspension device 32, a sealing cover 33, and a discharge valve 36;

the suspension device 32 is used for suspending the weighing hopper body inside the bracket 1;

the sensor 31 is used for detecting the weight of the weighing hopper body and the weight of the contents in the weighing hopper body, and weighing the contents in the weighing hopper body;

the sealing cover 33 is arranged at the top of the weighing hopper body and used for preventing the contents in the weighing hopper body from splashing;

the discharge valve 36 is used for controlling the discharge of the contents in the weighing hopper body, the discharge valve 36 is electrically connected with the sensor 31, and the discharge valve 36 controls the opening or closing of the discharge valve 36 according to the weighing result in the sensor 31.

In one aspect of this embodiment, weigh hopper 3 is suspended by suspension 32, and sensor 31 is arranged in the middle of suspension 32, weigh the weight of the contents in weigh hopper 3 by measuring the weight of the contents in weigh hopper 3 and weigh hopper 3, and seal cover 33 is arranged on the top of weigh hopper 3 to prevent the contents in weigh hopper 3 from splashing or splashing inside weigh hopper 3, and discharge valve 36 is arranged at the bottom of weigh hopper 3, and opening or closing of discharge valve 36 is controlled by sensor 31, and discharge valve 36 can be opened when sensor 31 weighs the contents in weigh hopper 3 to reach a preset value, so that the contents in weigh hopper 3 are discharged.

Wherein sealed lid 33 movable setting is at the top of weighing hopper 3, and the clearance and the maintenance of weighing hopper 3 of being convenient for set up the delivery port with conveyer pipe looks adaptation, and the delivery port aperture slightly is greater than the conveyer pipe external diameter, and then the influence of conveyer pipe vibration to sealed lid 33 during the transport, and clearance accessible flexible material is sealed like film etc. between further delivery port and the conveyer pipe to prevent the inside material spill of weighing hopper 3.

In one aspect of this embodiment, the scale hopper body further comprises an overflow port 34, an overflow tube 35, and a material flow detection device 37;

the overflow port 34 is opened at the top of the inner wall of the weighing hopper body and communicated with the overflow pipe 35, and the material flow detection device 37 is arranged inside the overflow pipe 35.

In this embodiment, the admixture is introduced into the inside of the weighing hopper body through the conveying pipe, the weight values of the weighing hopper body and the admixture detected by the sensor 31 are compared with the initial weight value of the weighing hopper body detected before the addition, so that the weight of the admixture added inside and outside the weighing hopper body can be obtained, when the admixture reaches a preset value, the valve 24 is closed to stop the material conveying, the discharge valve 36 is opened to discharge the admixture, when the admixture is added too much, the sensor 31 weighing sensing failure fault or the valve 24 closing failure fault occurs, the admixture inside the weighing hopper body exceeds the capacity of the weighing hopper body, further the excess overflows through the overflow port 34 into the overflow pipe 35, the end of the overflow pipe 35 departing from the weighing hopper 3 can be provided with the collecting barrel 6 to recycle the overflowing admixture, the overflow pipe 35 is provided with the material flow detection device 37 to detect the state inside the overflow pipe 35, when material flow detection device 37 detects that there is the material to flow in the overflow pipe 35, then take place the overflow this moment, control flap 24 closes to the warning suggestion operating personnel overhauls and maintains, and concrete flow detection device 37 accessible flow monitoring sensor etc. realize the monitoring, realize alarming function through bee calling organ etc..

In one embodiment, with reference to fig. 1 to 5 and the previous embodiments, the leakage-proof device 4 includes a feeding guide tube 42, a turnover mechanism 43, a driving mechanism 44, a feeding diversion bin 45 and a leakage diversion bin 46;

the feeding guide pipe 42 is used for controlling the flow of the additive, and the feeding guide pipe 42 rotates or overturns through the overturning mechanism 43;

the driving mechanism 44 is used for controlling the feeding guide pipe 42 to rotate or turn along the turning mechanism 43 so as to change the flow guiding direction of the feeding guide pipe 42;

the feeding diversion bin 45 is used for collecting the admixture weighed by the weighing hopper 3 and guiding the admixture into the water weighing hopper 5;

the feeding diversion bin 45 is used for collecting the additive leaked from the weighing hopper 3.

In one aspect of the present embodiment, the leakage preventing device 4 further includes a protecting cover 41 and a position signal detecting sensor 48, the protecting cover 41 covers the feeding pipe 42, the position signal detecting sensor 48 is disposed in the protecting cover 41, and the position signal detecting sensor 48 is electrically connected to the discharging valve 36.

In the one aspect of this embodiment, safety cover 41 is linked together with discharge valve 36, the inside feeding inlet pipe 42 that rotates through tilting mechanism 43 and is connected with of safety cover 41, feeding inlet pipe 42 drive is connected with actuating mechanism 44, the direction of rotation of steerable feeding inlet pipe 42 through actuating mechanism 44, and adjacent feeding guiding chamber 45 and the hourglass material guiding chamber 46 that is equipped with in feeding inlet pipe 42 below, the bottom of hourglass material guiding chamber 46 is equipped with hourglass material drainage tube 47, the one end intercommunication that hourglass material drainage tube 47 deviates from hourglass material guiding chamber 46 has collecting vessel 6.

In this embodiment, the end of the feeding guide pipe 42 is disposed above the leaking diversion warehouse 46 during weighing of the admixture, when the weighing hopper 3 leaks due to the untight sealing of the discharge valve 36, the leaked admixture is conveyed to the leaking diversion warehouse 46 through the feeding guide pipe 42 and collected, and is guided into the collection barrel 6 through the leaking drainage pipe 47 for recycling, and simultaneously, after the weighing hopper 3 finishes weighing the admixture and reaches a specified weight, the feeding guide pipe 42 is controlled by the driving mechanism 44 to rotate along the turnover mechanism 43, so that the end of the feeding guide pipe 42 is disposed above the feeding diversion warehouse 45, at this time, the discharge valve 36 is opened to guide the admixture into the feeding diversion warehouse 45 along with the feeding guide pipe 42, and finally enters the water weighing hopper 5 to be stirred with the concrete raw material, thereby completing the adding work of the admixture, and further, the state of the feeding guide pipe 42 is detected by the position signal detection sensor 48, after weighing, whether the feeding guide pipe 42 reaches the feeding diversion bin 45 through the position signal detection sensor 48, the feeding guide pipe 42 sends a signal to the discharge valve 36 to be opened for conveying until the feeding guide pipe 42 reaches the upper portion, the phenomenon that a large amount of additives are leaked due to blanking in the rotating process of the feeding guide pipe 42 is avoided, after the feeding guide pipe 42 conveys the materials, the driving mechanism 44 is used for driving and resetting, the closed loop control is achieved, and the resetting result of the feeding guide pipe 42 can also be monitored through the position signal detection sensor 48 in the resetting process of the feeding guide pipe 42.

In one embodiment, in conjunction with fig. 1-6 and the previous embodiments, the end of the conveying pipe is connected with a defoaming device 7, and the defoaming device 7 comprises a connecting pipe 71, a helical blade 72, a filter plate 73 and an extension hose 74;

the end at the conveyer pipe is connected to connecting pipe 71, and connecting pipe 71 is inside to be rotated and to be equipped with and be used for carrying the additive and tentatively remove the helical blade 72 of bubble, and the below of helical blade 72 is equipped with and is used for filtering and removing bubble filter 73 to the additive, and extension hose 74 extends the one end that sets up and deviates from the conveyer pipe at connecting pipe 71, and extension hose 74 adopts flexible material.

In one aspect of this embodiment, the inner wall of the connecting pipe 71 is embedded with threads, and is connected with the conveying pipe threads through threads, the connecting pipe 71 is internally connected with a helical blade 72, the helical blade 72 can be driven by a motor to rotate, and the connecting pipe 71 is internally provided with a filter plate 73, and the filter plate 73 is located below the helical blade 72.

In this embodiment, be equipped with the installation and the dismantlement of the defoaming device 7 of being convenient for of screw thread through the embedding of connecting pipe 71 inner wall, further rotate the stirring to the admixture through helical blade 72, eliminate the large-scale bubble in the admixture, and then carry out preliminary defoaming to the admixture, and when the admixture is carrying to filter 73 in the stirring through helical blade 72, when the admixture passes filter 73, further separate the bubble in the admixture, thereby carry out the defoaming to the admixture, there is not large-scale bubble or caking in the defoaming admixture, carry to the inside of weighing hopper 3 through extending hose 74, effectively prevent splashing of admixture.

In one embodiment, in combination with fig. 6-9 and the previous embodiments, the defoaming rod 75 is rotatably disposed on the upper surface of the filter plate 73, the defoaming rod 75 is attached to the surface of the filter plate 73, and the end of the defoaming rod 75 attached to the filter plate 73 is provided with a slope portion, and the defoaming rod 75 is used for squeezing the additive into the filter plate 73 to squeeze and defoam the additive.

In one case of the present embodiment, the bevel surface is embedded with a cutting fence 751.

In one case of the present embodiment, the defoaming lever 75 rotates coaxially with the spiral blade 72, and the spiral blade 72 and the defoaming lever 75 are fixedly connected.

In this embodiment, defoaming pole 75 rotates and extends hose 74 upper surface along with helical blade 72 and rotates, and the one end that defoaming pole 75 and filter 73 laminated is equipped with inclined plane portion, extrudees through inclined plane portion to making the admixture pass filter 73 and then carry out defoaming treatment to the admixture when the pivoted, and further inlays at inclined plane portion and is equipped with cutting grid plate 751 and can further improve the extrusion and the defoaming effect of defoaming pole 75 to the admixture.

In an embodiment, with reference to fig. 6 to 10 and the foregoing embodiments, a buffer rod 77 is fixedly connected to an end of the defoaming rod 75 away from the spiral blade 72, the buffer rod 77 includes a buffer convex rod 771, a spring 772, a movable link 773 and a fixed link 774, the fixed link 774 is fixedly connected to an end of the defoaming rod 75 away from the spiral blade 72, the movable link 773 is slidably sleeved inside the fixed link 774, the buffer convex rod 771 is fixedly connected to an end of the movable link 773 away from the fixed link 774, the buffer convex rod 771 and the fixed link 774 are elastically connected through the spring 772, and a protrusion 76 adapted to the buffer convex rod 771 is disposed inside the connection pipe 71.

In this embodiment, when defoaming pole 75 is when rotating, it rotates thereupon together to drive buffering pole 77, because the admixture is mostly mixed thick liquid and then adhere to easily in the conveyer pipe and lead to blockking up, when defoaming pole 75 rotates, buffering nose bar 771 striking lug 76 makes connecting pipe 71 drive conveyer pipe vibrate, buffering nose bar 771 is to fixed loop bar 774 internal compression under the effect of spring 772 during the striking, after the striking, buffering nose bar 771 resets through spring 772, thereby after defoaming pole 75 steadily rotates, connecting pipe 71 can drive the conveyer pipe and vibrate and then reduce the adherence of admixture to the pipe wall with certain frequency.

In one embodiment, with reference to fig. 6 to 10 and the previous embodiments, a driving rod 752 is fixedly connected to an end of the movable link 773 away from the buffer protrusion 771, an end of the driving rod 752 away from the movable link 773 is slidably connected to an inside of the defoaming bar 75, a cleaning rod 753 is fixedly connected to a lower end of the driving rod 752, a cleaning brush 754 is mounted on a lower end surface of the cleaning rod 753, and the cleaning brush 754 is attached to a surface of the filter plate 73.

In this embodiment, when defoaming pole 75 rotated, because buffering projecting bar 771 and lug 76 periodic contact, and then promote movable connecting rod 773 and carry out reciprocating sliding inside fixed loop bar 774, movable connecting rod 773 is connected with clearance pole 753 through transfer line 752, and then drives clearance pole 753 and carry out reciprocating sliding, make clearance pole 753 along with defoaming pole 75 pivoted while drive clearance brush 754 and clear up the filter 73 surface, avoid filter 73 to block up the influence result of use.

In the above embodiment, an additive weighing device is provided, which is provided with a feeding device 2, a weighing hopper 3, a leakage-proof device 4 and a water scale hopper 5, so that the additive splashes to affect the production environment when being weighed, and the leakage-proof device 4 is arranged to effectively avoid the additive overflowing or leaking to the water scale hopper 5 after equipment failure, thereby forming production accidents or waste of raw materials.

When the device is used, the admixture is guided into the weighing hopper 3 through the feeding device 2 after being proportioned, a plurality of groups of conveying pipes can be arranged, so that the conveying speed and effect of the feeding device 2 are improved, the pressure of conveying is favorably relieved, the risk of splashing caused by impact generated during the conveying of the admixture is reduced, meanwhile, the conveying of the admixture is controlled through different pipe diameters by combining the valve 24, the feeding control with different precisions can be realized, if the first feeding pipe 22 and the second feeding pipe 23 are arranged, the pipe diameter of the first feeding pipe 22 is smaller than that of the second feeding pipe 23, the first feeding pipe 22 and the second feeding pipe 23 are opened simultaneously during the conveying, the second feeding pipe 23 is closed when the weight of the admixture inside and outside the weighing hopper 3 is close to a required value, the step-by-step feeding is realized through the first feeding pipe 22, the conveying precision of the feeding device 2 is greatly improved, the weight of the admixture is weighed through the weighing hopper 3, when the admixture is introduced into the weighing hopper main body through the conveying pipe, the weight values of the weighing hopper main body and the admixture detected by the sensor 31 are compared with the initial weight value of the weighing hopper main body detected before the admixture is added, so that the weight of the admixture added into and out of the weighing hopper main body can be obtained, when the admixture reaches a preset value, the valve 24 is closed to stop the material conveying, the discharge valve 36 is opened to discharge the admixture, when the admixture is added too much, the sensor 31 is weighed and induces failure fault or the valve 24 is closed and fails fault, the admixture in the weighing hopper main body exceeds the capacity of the weighing hopper main body, further the excess part overflows into the overflow pipe 35 through the overflow port 34, the end of the overflow pipe 35, which is far away from the weighing hopper 3, can be provided with the collecting barrel 6 to recycle the overflowed admixture, the material flow detection device 37 is arranged in the overflow pipe 35 to detect the state in the overflow pipe 35, when the material flow detection device 37 detects that a material flows in the overflow pipe 35, the material flow detection device overflows at the moment, the control valve 24 is closed, and alarms to prompt an operator to overhaul and maintain, the specific flow detection device 37 can realize monitoring through a flow monitoring sensor and the like, an alarm function is realized through a buzzer and the like, after the weighing weight reaches a preset value, the weighing weight is guided into the water weighing hopper 5 through the material leakage prevention device 4, the material leakage prevention device 4 is not communicated with the water weighing hopper 5 in the weighing process and is used for preventing the weighing hopper 3 from leaking materials in the weighing process and influencing the mixing ratio of the additive and the concrete raw materials, the tail end of the feeding guide pipe 42 is arranged above the material leakage guide bin 46 in the weighing process, when the weighing hopper 3 leaks materials due to the fact that the discharge valve 36 is not tightly sealed and the like, the leaked additive is conveyed into the material leakage guide bin 46 through the feeding guide pipe 42 and is guided into the collection barrel 6 through the material leakage guide pipe 47 for recycling, meanwhile, after the weighing hopper 3 finishes weighing the admixture and reaches the designated weight, the driving mechanism 44 controls the feeding guide pipe 42 to rotate along the turnover mechanism 43, so that the tail end of the feeding guide pipe 42 is arranged above the feeding diversion bin 45, at the moment, the discharge valve 36 is opened, so that the admixture is guided into the feeding diversion bin 45 along with the feeding guide pipe 42 and finally enters the water scale hopper 5 to be stirred with the concrete raw material, the addition work of the admixture is finished, the state of the feeding guide pipe 42 is further detected by the position signal detection sensor 48, after the weighing is finished, whether the feeding guide pipe 42 reaches the upper part of the feeding diversion bin 45 is detected by the position signal detection sensor 48, a signal is sent to the discharge valve 36 to open the discharge valve to convey the admixture after the feeding guide pipe 42 reaches, the leakage of a large amount of the admixture caused by the blanking in the rotating process of the feeding guide pipe 42 is avoided, and after the feeding guide pipe 42 finishes conveying, drive through actuating mechanism 44 and reset, realize the control closed loop, and reset the in-process at feeding guide 42 and also can monitor feeding guide 42 result of resetting through position signal detection sensor 48, be equipped with the installation and the dismantlement of the defoaming device 7 of being convenient for of screw thread through the embedding of connecting pipe 71 inner wall simultaneously, further rotate the stirring to the admixture through helical blade 72, eliminate the large-scale bubble in the admixture, and then carry out preliminary defoaming to the admixture, and carry to filter 73 when the admixture is stirring through helical blade 72, the admixture passes in the filter 73, further separate the bubble in the admixture, thereby carry out the defoaming to the admixture, there is not large-scale bubble or caking in the admixture after the defoaming, carry to the inside of weighing hopper 3 through extending hose 74, effectively prevent splashing of admixture.