A double-bin metering device and feeder

Abstract

The present invention discloses a double-bin cement metering device and a feeder, and relates to the technical field of foamed asphalt mixing equipment. The double-bin cement metering device includes a feed bin, a distribution bin and a drive unit, and two bins are provided. A weighing sensor is provided in each bin to weigh the powder in the bin. The powder enters any bin along a flap. When the weight of the powder in the bin reaches the requirement, the weighing sensor transmits a signal to a control system, and the control system controls the action of the drive unit. The drive unit controls the switching between the two bins, and the powder is accurately weighed and discharged. The powder in the feeder is weighed and metered twice at a quantitative spiral feeder, thereby ensuring the accuracy of continuous cement supply.

Description

Technical Field

[0001] The invention relates to the technical field of foamed asphalt mixing equipment, in particular to a double-bin cement metering device and a feeder. Background Art

[0002] In order to achieve the metering of powder materials, most existing feeders use a spiral scale in a quantitative conveying spiral to quantitatively and continuously supply cement, and the cement is weighed during the movement. This method has low metering accuracy for cement. Summary of the invention

[0003] The purpose of the present invention is to provide a double-bin cement metering device and feeder to solve the problems existing in the above-mentioned prior art. It uses two silos for static metering with high metering accuracy, and uses alternating metering and discharging to meet the requirements of continuous supply of cement.

[0004] To achieve the above-mentioned purpose, the present invention provides the following scheme: The present invention provides a double-bin cement metering device, including a feed bin, a sub-bin and a driving unit, the feed bin includes a feed chamber, a feed channel 1, a feed channel 2 and a flap, the feed channel 1 and the feed channel 2 are arranged at the bottom of the feed chamber, the flap is rotatably arranged at the feed inlet of the feed channel 1 and the feed channel 2, the driving unit is used to drive the flap to rotate and thus control the feeding switching between the feed channel 1 and the feed channel 2; the sub-bin includes a silo 1 and a silo 2, the ends of the feed channel 1 and the feed channel 2 are connected to the silo 1 and the silo 2 respectively; weighing sensors are arranged in both the silo 1 and the silo 2.

[0005] In one embodiment, the driving unit includes a cylinder and a crank arm, the cylinder is assembled on the outside of the feed bin through a mounting seat, and the telescopic rod of the cylinder is hinged to the crank arm; a rotating shaft is installed at the bottom of the flap, and both ends of the rotating shaft are rotatably assembled on the feed bin through seat bearings, and the crank arm is fixed to one end of the rotating shaft and drives the rotating shaft to rotate.

[0006] In one embodiment, a plurality of pneumatic arch-breaking devices are installed on the bottom sides of the silo one and the silo two.

[0007] In one embodiment, a vibration motor is also installed on the bottom side of the silo one and the silo two, and the pneumatic arch breaking device and the vibration motor are not installed on the same inclined plane.

[0008] The present invention also provides a feeder, including the above-mentioned double-bin cement metering device, and also including a screw conveyor and a quantitative screw feeder, the feed bin, distribution bin, screw conveyor and quantitative screw feeder are all installed on a frame, and a powder inlet is opened on the top of the feed bin; the silo one and the silo two discharge materials alternately, and the screw conveyors are arranged at the discharge ports of the silo one and the silo two, and the ends of the two screw conveyors are connected to the quantitative screw feeder.

[0009] In one embodiment, a feed pipe is provided at the end of each of the two screw conveyors, and the bottoms of the two feed pipes are connected to a feed bin, and the discharge port of the feed bin is used to feed the quantitative screw feeder.

[0010] In one embodiment, the quantitative screw feeder screw scale is used to weigh and feed the powder.

[0011] Compared with the prior art, the present invention has achieved the following beneficial technical effects:

[0012] The double-bin cement metering device and feeder in the present invention include a feed bin, a distribution bin and a drive unit, two bins are provided, and a weighing sensor is provided in each bin to weigh the powder in the bin. The powder enters any bin along the flap. When the weight of the powder in the bin reaches the required weight, the weighing sensor transmits a signal to the control system, and the control system controls the action of the drive unit, and controls the switching between the two bins through the drive unit, and accurately weighs and discharges the powder. The powder in the feeder is weighed and metered twice at the quantitative screw feeder, thereby ensuring the accuracy of continuous cement supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the feed bin in Example 1;

[0015] Figure 2 The figure is a schematic diagram of the assembly relationship of the cylinder, the crank arm and the flap;

[0016] Figure 3 It is a schematic diagram of the switching mode of two feed channels;

[0017] Figure 4 It is a schematic diagram of the overall structure of the double-bin water machine metering device;

[0018] Figure 5 It is a structural schematic diagram of the feeder in Example 2;

[0019] Among them, 1. powder inlet; 2. feed chamber; 3. crank arm; 4. cylinder; 5. mounting seat; 6. support plate; 7. feed channel 1; 8. seat bearing; 9. feed channel 2; 10. flap; 11. rotating shaft; 12. silo; 13. pneumatic arch breaking device; 14. vibration motor; 15. weighing sensor; 16. screw conveyor; 17. quantitative screw feeder. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The purpose of the present invention is to provide a double-bin cement metering device and feeder to solve the problems existing in the above-mentioned prior art. It uses two silos for static metering with high metering accuracy, and uses alternating metering and discharging to meet the requirements of continuous supply of cement.

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Embodiment 1

[0024] like Figure 1-Figure 4 As shown, this embodiment provides a double-bin cement metering device, including a feed bin 12, a sub-bin 12 and a driving unit, the feed bin 12 includes a feed chamber 2, a feed channel 1 7, a feed channel 2 9 and a flap 10, a feed channel 1 7 and a feed channel 2 9 are arranged at the bottom of the feed chamber 2, a flap 10 is rotatably arranged at the feed inlet of the feed channel 1 7 and the feed channel 2 9, the driving unit is used to drive the flap 10 to rotate and thus control the feeding switching between the feed channel 1 7 and the feed channel 2 9; the sub-bin 12 includes a bin 1 and a bin 2, the ends of the feed channel 1 7 and the feed channel 2 9 are respectively connected to the bin 1 and the bin 2; weighing sensors 15 are arranged in both the bin 1 and the bin 2.

[0025] In one embodiment, the driving unit includes a cylinder 4 and a crank arm 3. The cylinder 4 is assembled on the outside of the feed bin 12 through a mounting base 5. A support plate 6 is provided on the outside of the feed bin 12. The mounting base 5 is fixed on the support plate 6. The telescopic rod of the cylinder 4 is hinged to the crank arm 3. The telescopic rod of the cylinder 4 is hinged to the crank arm 3. A rotating shaft 11 is installed at the bottom of the flap 10. Both ends of the rotating shaft 11 are rotatably assembled on the feed bin 12 through seat bearings 8. The crank arm 3 is fixed to one end of the rotating shaft 11 and drives the rotating shaft 11 to rotate.

[0026] like Figure 2 As shown, the crank arm 3 is an L-shaped crank arm 3, one end of the crank arm 3 is hinged to the telescopic rod of the cylinder 4, and the other end of the crank arm 3 is sleeved and fixed on the rotating shaft 11 (or connected to the rotating shaft 11 in other fixing ways). The cylinder 4 is extended and retracted to drive the crank arm 3 to push forward or rotate, thereby realizing the connection of the feed channel 1 7 or the feed channel 2 9. The cross section of the flap 10 can completely match the feed openings of the feed channel 1 7 and the feed channel 2 9. In order to show the position of the mounting seat 5, the cylinder seat part of the cylinder 4 is not drawn in the figure. In practice, the cylinder seat part of the cylinder 4 is assembled at the mounting seat 5.

[0027] In one embodiment, a plurality of pneumatic arch-breaking devices 13 are installed on the bottom sides of silo one and silo two, and the pneumatic arch-breaking devices 13 use arch-breaking air discs; a vibration motor 14 is also installed on the bottom sides of silo one and silo two, and the pneumatic arch-breaking devices 13 and the vibration motor 14 are not installed on the same inclined plane.

[0028] The powder is transported from the cement tank to the top and enters the feed bin 12 from the powder inlet 1. The cylinder 4 drives the crank arm 3 to drive the flap 10 to rotate, so that the powder passes through the feed channel 1 7 or the feed channel 2 9 and enters different weighing bins; the double-bin cement metering device has 2 weighing bins, and each bin 12 has 3 weighing sensors 15 hung on the frame for weighing; a screw conveyor 16 is connected under each bin 12; each bin 12 is equipped with a pneumatic arch-breaking device 13 and a vibration motor 14 to prevent cement from agglomerating (arching); the powder enters different bins 12 through the powder device. When a bin 12 reaches the set weight, the flap 10 rotates to stop feeding the bin 12 and feeds the other weighing bin at the same time.

[0029] Embodiment 2

[0030] like Figure 5As shown, this embodiment provides a feeder, which includes the double-bin cement metering device in Example 1, and also includes a screw conveyor 16 and a quantitative screw feeder 17. The feed bin 12, the distribution bin 12, the screw conveyor 16 and the quantitative screw feeder 17 are all installed on the frame, and a powder inlet 1 is opened on the top of the feed bin 12; the bin one and the bin two discharge materials alternately, and the discharge ports of the bin one and the bin two are both provided with screw conveyors 16, and the ends of the two screw conveyors 16 are connected to the quantitative screw feeder 17.

[0031] The powder is transported from the cement tank to the top and enters the feed bin 12 from the powder inlet 1. The cylinder 4 drives the crank arm 3 to drive the flap 10 to rotate, so that the powder passes through the feed channel 1 7 or the feed channel 2 9 and enters different weighing bins; the double-bin cement metering device has 2 weighing bins, and each bin 12 has 3 weighing sensors 15 hung on the frame for weighing; a screw conveyor 16 is connected under each bin 12; each bin 12 is equipped with a pneumatic arch-breaking device 13 and a vibration motor 14 to prevent cement from agglomerating (arching); the powder enters different bins 12 through the powder device, and when a bin 12 reaches the set weight, the flap 10 rotates, stops feeding the bin 12, and feeds the other weighing bin at the same time; the screw conveyor 16 of the bin 12 is started, and the weighed powder is transported to the quantitative screw feeder 17, and after secondary weighing, it enters the mixing cylinder; the feeding is repeated alternately.

[0032] The powder is continuously supplied, the two silos 12 are alternately metered and discharged, and the spiral scale performs secondary metering, thus ensuring the accuracy of continuous cement supply.

[0033] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A double-bin cement metering device, characterized in that: It includes a feed bin, a distribution bin and a driving unit, the feed bin includes a feed chamber, a feed channel 1, a feed channel 2 and a flap, the feed channel 1 and the feed channel 2 are arranged at the bottom of the feed chamber, the flap is rotatably arranged at the feed inlet of the feed channel 1 and the feed channel 2, and the driving unit is used to drive the flap to rotate and thus control the feed switching between the feed channel 1 and the feed channel 2; the distribution bin includes a bin 1 and a bin 2, the ends of the feed channel 1 and the feed channel 2 are connected to the bin 1 and the bin 2 respectively; weighing sensors are arranged in the bin 1 and the bin 2.

2. The double-bin cement metering device according to claim 1 is characterized in that: The driving unit includes a cylinder and a crank arm. The cylinder is assembled on the outside of the feed bin through a mounting seat, and the telescopic rod of the cylinder is hinged to the crank arm. A rotating shaft is installed at the bottom of the flap, and both ends of the rotating shaft are rotatably assembled on the feed bin through seat bearings. The crank arm is fixed to one end of the rotating shaft and drives the rotating shaft to rotate.

3. The double-bin cement metering device according to claim 1 is characterized in that: A plurality of pneumatic arch breaking devices are installed on the bottom sides of the first silo and the second silo.

4. The double-bin cement metering device according to claim 3 is characterized in that: Vibration motors are also installed on the bottom sides of the first and second silos, and the pneumatic arch-breaking device and the vibration motors are not installed on the same inclined plane.

5. A feeder, characterized in that: The double-bin cement metering device comprises the double-bin cement metering device described in any one of claims 1 to 4, and also comprises a screw conveyor and a quantitative screw feeder, wherein the feed bin, the distribution bin, the screw conveyor and the quantitative screw feeder are all installed on a frame, and a powder inlet is opened on the top of the feed bin; the silo one and the silo two discharge materials alternately, and the screw conveyors are arranged at the discharge ports of the silo one and the silo two, and the ends of the two screw conveyors are connected to the quantitative screw feeders.

6. The feeder according to claim 5, characterized in that: A feeding pipe is provided at the end of the two screw conveyors, and the bottoms of the two feeding pipes are connected to a feeding bin, and the discharge port of the feeding bin is used to feed the quantitative screw feeder.

7. The feeder according to claim 5, characterized in that: The quantitative screw feeder screw scale is used to weigh and feed the powder.

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