CN218083454U

CN218083454U - Concrete powder metering device

Info

Publication number: CN218083454U
Application number: CN202222305888.2U
Authority: CN
Inventors: 万成宇
Original assignee: Yichang Hongrun New Commodity Concrete Co ltd
Current assignee: Guizhou Qichen Building Materials Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-20
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a concrete powder metering device, be provided with weighing module's the fill of weighing and set up in the spiral unloader who weighs directly over fighting including the bottom, spiral unloader and weigh and be provided with the hopper between fighting, the bottom of hopper is provided with the unloading pipe, the intraductal slip of unloading is provided with the material stopping block according to the numerical control unloading pipe discharge end opening size that weighing module transmitted, the one end of fighting of weighing articulates on the bottom plate, weighing module sets up the bottom of bottom plate, be provided with the pneumatic cylinder between the other end of fighting of weighing and the bottom plate, the both ends of pneumatic cylinder articulate respectively on weighing fill and bottom plate. The utility model discloses the effect of the precision that improves the powder measurement, extension feed screw's life and the production efficiency who maintains the concrete has been produced.

Description

Concrete powder metering device

Technical Field

The utility model relates to a powder measurement technical field especially relates to a concrete powder metering device.

Background

The metering system of the concrete mixing plant relates to a plurality of metering scales, including a belt scale for weighing aggregate, a hopper scale and a weightlessness scale for weighing powder, and a flow pump for weighing liquid and additive; for a weighing device in the metering system, the maximum allowable error of the aggregate in weighing is not higher than +/-2% of a preset value, and the maximum allowable error of powder, additives and water is not more than +/-1% of the preset value.

The belt weigher obtains the weight of the material by measuring the conveying speed of the conveyor belt and controlling the flow of the material; but its accuracy is low and the failure rate is high. The weightlessness scale controls the blanking amount of the materials by controlling the opening and closing of the electromagnetic valve, and the blanking amount is obtained by measuring the loss of the materials in the storage bin, although the precision is high, the installation cost is overhigh.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a concrete powder metering device, it has solved the problem that has low and the fault rate is high of carrying out the powder measurement with the belt weigher that exists among the prior art.

According to the utility model discloses an embodiment, concrete powder metering device, be provided with weighing module's the fill of weighing and set up in the spiral unloader who weighs directly over fighting including the bottom, spiral unloader and weigh and be provided with the hopper between fighting, the bottom of hopper is provided with the unloading pipe, the intraductal slip of unloading is provided with the material stopping block according to the numerical control unloading pipe discharge end opening size that weighing module transmitted, the one end of fighting of weighing articulates on the bottom plate, weighing module sets up the bottom of bottom plate, be provided with the pneumatic cylinder between the other end of fighting of weighing and the bottom plate, the both ends of pneumatic cylinder articulate respectively on weighing fill and the bottom plate.

Preferably, the hopper is conical, a sliding frame is horizontally arranged on the hopper in a sliding mode, the material blocking block is located in the middle of the sliding frame, a radial opening for the sliding frame to penetrate through is formed in the bottom of the blanking pipe, and the sliding frame is driven to move through an electric push rod arranged on the hopper.

Preferably, the hopper is supported by a support ring sleeved at the bottom of the hopper, a connecting lug plate is horizontally arranged on the outer peripheral surface of the support ring, the sliding frame is shaped like a trapezoid 21274, two ends of the sliding frame respectively penetrate through the two connecting lug plates, a groove for the sliding frame to horizontally slide is formed in the connecting lug plate, and a limit block with the width larger than that of the groove is arranged at one end of the sliding frame penetrating through the connecting lug plate.

Preferably, a reinforcing block is arranged at a corner of the sliding frame.

Preferably, the outer diameter of the material blocking block is equal to the inner diameter of the blanking pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the numerical value of weighing module feedback is close to the numerical value of settlement, the gauge block removes and reduces the bore of unloading pipe bottom material passageway, reduces the increase rate of powder in the hopper of weighing, and then can be timely when the material is about to reach the setting value in the hopper of weighing close the unloading pipe, improves the precision of powder measurement.

2. Due to the arrangement of the hopper, when the flow of powder in the discharging pipe is reduced, the material transmitted by the spiral feeder can be temporarily stored in the discharging hopper, the spiral feeder keeps feeding at a constant speed, the motor rotating speed of the spiral feeder is prevented from being repeatedly adjusted for adjusting the increasing speed of the material in the weighing hopper, and the service life of the spiral feeder is prolonged.

3. After weighing and discharging through the hydraulic cylinder, the material blocking block is moved, the discharging pipe is completely opened, the material is rapidly fed to the weighing hopper in a mode of exceeding the feeding speed of the spiral feeding machine, and the production efficiency of concrete is kept.

4. The hopper is arranged, so that the investment of lower cost is kept when the advantages are met.

Drawings

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

Fig. 2 is a schematic structural diagram of another direction according to an embodiment of the present invention.

Fig. 3 is a side view of an embodiment of the present invention.

Fig. 4 is a front view of the embodiment of the present invention.

Fig. 5 is a top view of an embodiment of the present invention.

In the above drawings: 1. a hopper; 2. a discharging pipe; 3. a support ring; 4. connecting the ear plates; 5. a carriage; 6. an electric push rod; 7. a material blocking block; 8. a base plate; 9. <xnotran> ; </xnotran> 10. A hydraulic cylinder; 11. a hinged seat; 12. and a weighing module.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, in order to improve the precision of powder measurement, prolong the service life of the motor of the screw feeder and not reduce the production efficiency of concrete. The utility model provides a concrete powder metering device, be provided with weighing of weighing module 12 including the bottom and fight 9 and set up in the spiral unloader who fights 9 directly over weighing, spiral unloader and weigh and fight and be provided with hopper 1 between 9, the bottom of hopper 1 is provided with unloading

pipe

2, 2 interior material stopping block 7 that slide of unloading pipe is provided with according to the numerical control unloading pipe 2 discharge end opening size of weighing module 12 transmitted, the one end of fighting 9 of weighing articulates on bottom plate 8, weighing module 12 sets up bottom plate 8's bottom, it is provided with pneumatic cylinder 10 to weigh between the other end of fighting 9 and the bottom plate 8, the both ends of pneumatic cylinder 10 articulate respectively on weighing and fighting 9 and bottom plate 8.

Spiral unloader is for screw feeder, hopper 1 is installed under screw feeder's discharge end, the powder falls into behind hopper 1 and unloading pipe 2 in weighing fill 9, it is when receiving the powder to weigh fill 9, it is in the horizontality to weigh fill 9, it is used for holding pneumatic cylinder 10 to have seted up the chute on bottom plate 8, the one end tilt up of weighing fill 9, when the unloading, through the pneumatic cylinder 10 extension, it rotates to weigh fill 9, make the slope end downward sloping of weighing fill 9, carry out the ejection of compact.

The bottom plate 8 is provided with a hinged seat 11, the inclined end of the weighing hopper 9 is hinged at the end part of the hinged seat 11, and when the hydraulic cylinder 10 extends, the weighing hopper 9 rotates around the end part of the hinged seat 11. Supported on the base plate 8 by a weighing module 12.

As shown in fig. 1-4, to support the dam block 7. Hopper 1 becomes coniform, hopper 1 is gone up the horizontal slip and is provided with carriage 5, keep off material block 7 and be located the middle part of carriage 5, the bottom of unloading pipe 2 is provided with the radial opening that supplies carriage 5 to pass, and carriage 5 is through setting up the drive of electric putter 6 on hopper 1 and removing. When the material blocking block 7 slides in the radial opening at the end part of the blanking pipe 2, the material blocking block 7 can be axially supported through the blanking pipe 2, and the material blocking block 7 is prevented from deforming. The electric push rod 6 arranged horizontally pushes the material blocking block 7 to move horizontally.

In addition, after the material blocking block 7 completely seals the discharging pipe 2, the pressure applied to the material blocking block 7 is large, so that the bottom surface of the material blocking block 7 and the inner wall of the radial opening at the bottom of the discharging pipe 2 are required to be relatively smooth, and the material blocking block 7 is convenient to push by the electric push rod 6 to move.

As shown in fig. 1-5, to accomplish the mounting of the power push bar 6 and the carriage 5. Hopper 1 supports through the support ring 3 of suit in its bottom, and the outer peripheral face of support ring 3 is improved level and is provided with connection otic placode 4, carriage 5 becomes 21274the shape, just two connection otic placodes 4 are passed respectively at the both ends of carriage 5, offer on the connection otic placode and supply 5 horizontal slip's fluting of carriage, the one end that carriage 5 passed connection otic placode 4 is provided with the width and is greater than slotted stopper.

The sliding frame 5 is driven to move by two electric push rods 6 arranged on two sides of the blanking pipe 2, one electric push rod 6 pushes the sliding frame 5, and the other electric push rod 6 pulls the sliding frame 5, so that the sliding frame 5 is moved. Four connecting ear plates 4 are arranged on the support ring 3, and the connecting ear plates 4 are connected with the spiral feeder through rod pieces to support the hopper 1. A limiting block and a slot are arranged for guiding and assisting the movement of the sliding frame 5.

As shown in fig. 1-5, to avoid deformation between the ends of the carriage 5 and the middle thereof. And a reinforcing block is arranged at the corner of the sliding frame 5. The provision of the reinforcing blocks serves to improve the strength of the carriage 5.

As shown in fig. 1 to 5, in order to ensure that the material blocking block 7 completely seals the blanking tube 2, the size of the radial opening of the blanking tube 2 does not excessively reduce the strength of the bottom end of the blanking tube 2. The outer diameter of the material blocking block 7 is equal to the inner diameter of the blanking pipe 2.

Claims

1. Concrete powder metering device, including the bottom be provided with weighing hopper (9) of weighing module (12) and set up the spiral unloader directly over weighing hopper (9), its characterized in that: hopper (1) is arranged between spiral unloader and weighing hopper (9), the bottom of hopper (1) is provided with unloading pipe (2), unloading pipe (2) are slided and are provided with material stopping block (7) according to numerical control unloading pipe (2) discharge end opening size that weighing module (12) transmitted, the one end of weighing hopper (9) articulates on bottom plate (8), weighing module (12) set up the bottom of bottom plate (8), be provided with pneumatic cylinder (10) between the other end of weighing hopper (9) and bottom plate (8), the both ends of pneumatic cylinder (10) articulate respectively on weighing hopper (9) and bottom plate (8).

2. The concrete powder measuring device of claim 1, wherein: hopper (1) become coniform, hopper (1) horizontal slip is provided with carriage (5), keep off material piece (7) and be located the middle part of carriage (5), the bottom of unloading pipe (2) is provided with the radial opening that supplies carriage (5) to pass, and carriage (5) are through setting up electric putter (6) drive removal on hopper (1).

3. The concrete powder measuring device of claim 2, wherein: hopper (1) supports through support ring (3) of suit in its bottom, and the outer peripheral face of support ring (3) is improved level and is provided with connection otic placode (4), carriage (5) becomes 21274;, just two connection otic placodes (4) are passed respectively at the both ends of carriage (5), have seted up the confession on connection otic placode (4) carriage (5) horizontal slip's fluting, carriage (5) pass the one end of connecting otic placode (4) and be provided with the width and be greater than slotted stopper.

4. A concrete powder measuring device according to claim 3, characterized in that: and a reinforcing block is arranged at the corner of the sliding frame (5).

5. A concrete powder measuring device according to any one of claims 1 to 4, characterized in that: the outer diameter of the material blocking block (7) is equal to the inner diameter of the blanking pipe (2).