CN113945260A - Continuous type micro-metering equipment - Google Patents
Continuous type micro-metering equipment Download PDFInfo
- Publication number
- CN113945260A CN113945260A CN202010682819.6A CN202010682819A CN113945260A CN 113945260 A CN113945260 A CN 113945260A CN 202010682819 A CN202010682819 A CN 202010682819A CN 113945260 A CN113945260 A CN 113945260A
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- orifice plate
- outer shell
- materials
- vibrating orifice
- micro
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/24—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/38—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them programme controlled, e.g. by perforated tape
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention relates to the technical field of mixing materials, and discloses continuous micro-metering equipment, which comprises an outer shell and a spiral shaft, wherein the spiral shaft is arranged in the outer shell; the first end of the upper part of the outer shell, which is close to the servo motor, is connected with a material storage chamber, and a platform scale for weighing the whole continuous micro-metering equipment is arranged below the outer shell; the second end of the outer shell is connected with a feed opening, a vibrating orifice plate for continuous feeding is arranged in the feed opening, and a low material level meter is arranged above the vibrating orifice plate; the PLC controls the blanking precision of the vibrating orifice plate according to the weight reduction quantity; the PLC receives the signal of the low level indicator and controls the screw shaft to start to feed materials to the vibrating orifice plate. Through the continuous micro-metering equipment, the materials can be continuously fed, and micro-metering and feeding can be controlled; in addition, when the materials are discharged, the main materials are uniformly supplied while being discharged, and the mixing equipment receives and mixes various materials, so that the aim of uniformly mixing the materials can be quickly fulfilled.
Description
Technical Field
The invention relates to the technical field of mixing materials, in particular to continuous micro-metering equipment.
Background
For the treatment of the mixed materials of the trace elements, the existing treatment scheme is that trace materials are directly and manually put into mixing equipment for mixing at one time, and the requirement on the mixing effect of the mixing equipment is higher. If the mixing effect is not good, the local mixture ratio of the product is not uniform, and the product quality is affected. The invention provides a metering device capable of continuously feeding trace elements, wherein the blanking of the trace elements and the blanking of main raw materials are simultaneously and uniformly supplied, and a mixing device receives various materials and mixes the materials at the same time, so that the aim of uniformly mixing is fulfilled.
Disclosure of Invention
The invention aims to provide continuous micro-metering equipment to solve the technical problem that local proportioning is not uniform when micro materials are mixed in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a continuous micro-metering device comprises a cylindrical outer shell and a spiral shaft which is arranged in the outer shell in a penetrating way and is matched with the outer shell; the first end of the spiral shaft is in transmission connection with a servo motor, and the spiral shaft is used for conveying materials; a material storage chamber communicated with the outer shell is connected to the first end, close to the servo motor, above the outer shell, and a platform scale for weighing the whole continuous micro-metering equipment is arranged below the outer shell; the second end of the outer shell is connected with a downward feed opening, a vibrating orifice plate for continuous feeding is arranged in the feed opening, and a low level indicator is arranged above the vibrating orifice plate; the vibrating orifice plate, the platform scale, the low level indicator and the servo motor are electrically connected with a PLC (programmable logic controller), and the PLC controls the vibrating orifice plate to vibrate and discharge; a weight sensor arranged in the platform scale weighs the weight reduction amount and outputs a signal to a PLC (programmable logic controller), and the PLC controls the blanking precision of the vibrating orifice plate according to the weight reduction amount; and the PLC receives a signal of the low level indicator and controls the screw shaft to start so as to feed materials to the vibrating orifice plate.
According to the continuous micro-metering device, the inlet of the storage chamber is provided with the quick-opening mechanism.
According to the continuous micro-metering equipment, the quick opening mechanism comprises a quick-mounting blind plate; the fast-assembling blind plate seals the storage compartment through the fast-assembling buckle.
According to the continuous micro-metering equipment, the top of the outer shell is detachably connected with the upper cover, and the upper cover is correspondingly arranged above the feed opening.
The continuous micro-metering equipment also comprises a vibrator which is connected with the vibrating orifice plate and drives the vibrating orifice plate to vibrate in frequency; the vibrator is fixed on the feed opening through a support.
According to the continuous micro-metering equipment, the vibrating orifice plate is provided with a plurality of micro-holes, and the aperture and the number of the micro-holes are determined according to the physical characteristics of the materials and the flow rate of the required materials.
The invention has the beneficial effects that:
during the work of the continuous micro-metering equipment, the materials are put into the storage chamber through manual or mechanical operation, and the platform scale records the total weight of the whole continuous micro-metering equipment containing the materials at the moment. When the downstream mixing equipment needs to be proportioned, the servo motor is started, and the screw shaft is driven by the servo motor to rotate and propel materials forwards; the material is conveyed from the first end to the second end of the outer shell and falls above the vibrating orifice plate; after the material is conveyed for a set time, the servo motor stops, the vibrating orifice plate continuously vibrates, and the material passes through the micro-holes and enters the mixing equipment from the feed opening. The materials can be continuously fed into the mixing equipment, and the mixing equipment can continuously work to realize uniform mixing. If the reduction amount of the materials (weighed by a platform scale) can be compared with the actual requirement of the mixed material according to the blanking precision of the vibrating orifice plate and then fed back to the PLC controller, and the PLC controller adjusts the amplitude of the vibrating orifice plate to adjust the blanking precision. Wherein, when the low level indicator has no signal, the signal is fed back to the PLC controller to control the screw shaft to feed materials. In addition, the vibrating orifice plate is fed as long as the downstream mixing equipment needs dosing; if the vibrating orifice plate cuts off the feeding for a long time, the phenomenon of uneven mixing of downstream mixing equipment can be caused. Through the continuous micro-metering equipment, the materials can be continuously fed, and micro-metering and feeding can be controlled; in addition, when the materials are discharged, the main materials are uniformly supplied while being discharged, and the mixing equipment receives and mixes various materials, so that the aim of uniformly mixing the materials can be quickly fulfilled.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a vibrating orifice plate;
reference numerals:
1-servo motor, 2-air seal chamber, 3-screw shaft, 4-outer shell, 5-material storage chamber, 6-upper cover, 7-platform scale, 8-low level indicator, 9-feed opening, 10-vibrating orifice plate, 11-bracket, 12-vibrator, 13-bearing, 14-micro hole and 15-fast-assembling blind plate.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example one
Referring to fig. 1 and 2, the present invention provides a continuous micro-metering device, which includes a cylindrical outer housing 4 and a screw shaft 3 disposed in the outer housing 4; the first end of the screw shaft 3 is in transmission connection with the servo motor 1, and the screw shaft 3 is used for conveying materials; a material storage chamber 5 communicated with the outer shell 4 is connected to the first end, close to the servo motor 1, above the outer shell 4, and a platform scale 7 for weighing the whole continuous micro-metering equipment is arranged below the outer shell 4; a second end of the outer shell 4 is connected with a downward-arranged feed opening 9, a vibrating orifice plate 10 for continuous feeding is arranged in the feed opening 9, and a low level indicator 8 is arranged above the vibrating orifice plate 10; the vibrating orifice plate 10, the platform scale 7, the low level indicator 8 and the servo motor 1 are electrically connected with a PLC (programmable logic controller), and the PLC controls the vibrating orifice plate 10 to vibrate and discharge; a weight sensor arranged in the platform scale 7 weighs the weight reduction amount and outputs a signal to a PLC (programmable logic controller), and the PLC controls the blanking precision of the vibrating orifice plate 10 according to the weight reduction amount; the PLC receives the signal of the low level indicator 8 and controls the screw shaft 3 to start to feed materials to the vibrating orifice plate 10.
The platform balance 7 supports a whole set of continuous micro-metering equipment, a weight sensor is arranged inside the platform balance 7, and when the materials are conveyed to a downstream mixing device (such as a mixer) for mixing through the equipment, the reduced weight of the continuous micro-metering equipment is the weight of the materials conveyed away for mixing, so that the metering purpose is realized.
And a quick opening mechanism is arranged at the inlet of the material storage chamber 5.
The quick opening mechanism comprises a quick-mounting blind plate 15; the fast-assembling blind plate 15 seals the storage compartment 5 through a fast-assembling buckle.
Foretell quick opening mechanism can realize opening fast and close, conveniently drops into the material into the apotheca fast, improves work efficiency.
The top of the outer shell 4 is detachably connected with an upper cover 6, and the upper cover 6 is correspondingly arranged above the feed opening 9.
In the above, the section of the outer shell 4 is U-shaped, and the upper cover 6 can seal the opening of the outer shell 4 and then is matched with the screw shaft 3 for conveying materials. In addition, the upper cover 6 can be detached for equipment maintenance.
The continuous micro-metering equipment also comprises a vibrator 12 which is connected with the vibrating orifice plate 10 and drives the vibrating orifice plate 10 to vibrate at a frequency; the vibrator 12 is fixed to the feed opening 9 by a bracket 11.
The low level indicator 8 is fixed in the feed opening 9 and fixed above the vibrating orifice plate 10 for monitoring the materials accumulated on the vibrating orifice plate 10.
The vibrating orifice plate 10 is provided with a plurality of micro holes 14, and the aperture and the number of the micro holes 14 are determined according to the physical characteristics of the material and the flow rate of the required material.
In the above, low charge level indicator 8 detects the height of material on the vibratory orifice plate 10, needs the feed supplement when the material is less than low charge level indicator 8, and servo motor 1 starts, carries the material to feed opening 9 and vibratory orifice plate 10.
Example two
Referring to fig. 1 and 2, an embodiment of a continuous micro-metering apparatus is provided.
The continuous micro-metering equipment mainly comprises a servo motor 1, an air seal chamber 2, a screw shaft 3, an outer shell 4, a material storage chamber 5, an upper cover 6, a platform scale 7, a low material level meter 8, a feed opening 9, a vibrating orifice plate 10, a support 11, a vibrator 12, a bearing 13 and other parts. The servo motor 1 and the air sealing chamber 2 are arranged on the outer shell 4; the screw shaft 3 is arranged on the outer shell 4 through a bearing 13 and a servo motor 1; the material storage chamber 5 is welded on the outer shell 4; the upper cover 6 is connected with the outer shell 4 through bolts to realize sealing; the platform balance 7 supports the whole continuous micro-metering device; the low level indicator 8 is connected on the feed opening 9 through threads, and the feed opening 9 is connected on the outer shell 4; the vibrator 12 is mounted on the bracket 11. The vibrating orifice plate 10, the platform scale 7 and the servo motor 1 are electrically connected with a PLC (programmable logic controller), and the PLC controls the vibrating orifice plate 10 to vibrate and discharge (realized by a vibrator 12, and the vibrator 12 is electrically connected with the PLC); the weight sensor arranged in the platform scale 7 weighs the weight reduction amount and outputs a signal, and the PLC can control the discharging precision of the vibrating orifice plate 10 according to the weight reduction amount or start and stop the servo motor 1 and the screw shaft 3 to supplement materials. The discharge accuracy can be understood as the weight of the discharge, the rate of discharge, etc.
In the above, the outer casing 4 provides support for the components and, together with the upper lid 6, provides a space for material transport. The servo motor 1 has the main function of providing conveying power for the screw shaft 3, and the screw shaft 3 is used for conveying materials; the bearing 13 supports the screw shaft 3 in cooperation with the servo motor 1. The air seal chamber 2 realizes the sealing between the spiral shaft 3 and the outer shell 4 through a control air path. The material storage chamber 5 is welded on the outer shell 4, is provided with a fast-assembling blind plate 15, is fixed and sealed through a fast-assembling buckle, and is a feeding port of trace materials; when the materials need to be fed, the fast-assembling blind plate 15 is opened; after the feeding is finished, the fast-assembling blind plate 15 is locked. The platform scale 7 supports a complete set of continuous micro-metering equipment, a weight sensor is arranged in the platform scale, and when materials are mixed by the equipment to a downstream mixer, the reduced weight is the weight of the mixed materials, so that the metering purpose is realized. The low level indicator 8 is used for sending out a control signal for starting and stopping the screw shaft 3; when the material above the vibrating orifice plate 10 is lower than the low level indicator 8, the low level indicator 8 sends a signal to the PLC controller, and the PLC controller then controls the servo motor 1 to start; after the servo motor 1 starts to transmit the materials for a set time, the servo motor 1 stops. The feed opening 9 is a connecting passage for materials to enter the mixing equipment, a vibrating orifice plate 10 in the mixing equipment is provided with a plurality of micro holes 14, the aperture and the number of the micro holes 14 are determined according to the flow of the required materials and the parameters of the fluidity, the grain diameter, the density and the like of the materials, and the feed opening is the basis for controlling the feed speed of the whole equipment. The support 11 is used for connecting a vibrator 12, a speed regulating valve is installed on the vibrator 12, the amplitude is regulated by regulating the flow of gas entering the vibrator 12, and the blanking speed of materials on the vibrating orifice plate 10 is controlled. The PLC controller may adjust the amplitude of vibrator 12 based on the signal feedback.
During the work of the continuous micro-metering equipment, materials are put into a storage chamber through manual or mechanical operation, and after the materials are put, a fast-assembly blind plate 15 is covered; the platform balance 7 records the total weight of the entire continuous micro-metering device now containing the material. When downstream mixing equipment needs batching, the servo motor 1 is started, and the screw shaft 3 is driven by the servo motor 1 to rotate and propel materials forwards; the material is conveyed from the first end to the second end of the outer shell 4 and falls above the vibrating orifice plate 10; after the conveying time reaches the set time, the servo motor 1 stops, the vibrator 12 drives the vibrating orifice plate 10 to continuously vibrate in the work process, and the materials pass through the micro holes 14 and enter the mixing equipment from the feed opening 9. If the reduction amount of the material (weighed by the platform scale 7) does not meet the requirement of the required amount of the compound material, the PLC can adjust the blanking precision of the vibrating orifice plate 10 by adjusting the amplitude of the vibrator 12. When the material is lower than the low level indicator 8 above the vibrating orifice plate 10, the low level indicator 8 feeds back a signal to the PLC controller to feed the material; the PLC controller then controls the servo motor 1 to start again, and materials are conveyed continuously to feed materials to the vibrating orifice plate 10. The vibrating orifice plate 10 continuously vibrates and discharges materials under the action of a vibrator 12; thereby realizing the purpose of micro-quantity continuous batching. In addition, the vibrating orifice plate 10 is constantly feeding as long as the downstream mixing equipment requires ingredients. Through the continuous micro-metering equipment, the materials can be continuously fed, and micro-metering and feeding can be controlled; in addition, when the materials are discharged, the main materials are uniformly supplied while being discharged, and the mixing equipment receives and mixes various materials, so that the aim of uniformly mixing the materials can be quickly fulfilled.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A continuous micro-metering device is characterized by comprising a cylindrical outer shell and a spiral shaft which is arranged in the outer shell in a penetrating way and is matched with the outer shell; the first end of the spiral shaft is in transmission connection with a servo motor, and the spiral shaft is used for conveying materials; a material storage chamber communicated with the outer shell is connected to the first end, close to the servo motor, above the outer shell, and a platform scale for weighing the whole continuous micro-metering equipment is arranged below the outer shell; the second end of the outer shell is connected with a downward feed opening, a vibrating orifice plate for continuous feeding is arranged in the feed opening, and a low level indicator is arranged above the vibrating orifice plate; the vibrating orifice plate, the platform scale, the low level indicator and the servo motor are electrically connected with a PLC (programmable logic controller), and the PLC controls the vibrating orifice plate to vibrate and discharge; a weight sensor arranged in the platform scale weighs the weight reduction amount and outputs a signal to a PLC (programmable logic controller), and the PLC controls the blanking precision of the vibrating orifice plate according to the weight reduction amount; and the PLC receives a signal of the low level indicator and controls the screw shaft to start so as to feed materials to the vibrating orifice plate.
2. The continuous micro-metering apparatus of claim 1, wherein the inlet of the storage chamber is provided with a quick-opening mechanism.
3. The continuous micro-metering apparatus of claim 2, wherein the quick-open mechanism comprises a quick-fit blind plate; the fast-assembling blind plate seals the storage compartment through the fast-assembling buckle.
4. The continuous micro-metering device of claim 1, wherein the top of the outer shell is detachably connected with an upper cover, and the upper cover is correspondingly arranged above the feed opening.
5. The continuous micro-metering apparatus of claim 1, further comprising a vibrator coupled to the vibrating orifice plate and configured to vibrate the vibrating orifice plate at a frequency; the vibrator is fixed on the feed opening through a support.
6. The continuous micro-metering device of claim 1, wherein the vibrating orifice plate is provided with a plurality of micro-holes, and the diameter and number of the micro-holes are determined according to physical properties of the material and the flow rate of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682819.6A CN113945260A (en) | 2020-07-15 | 2020-07-15 | Continuous type micro-metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682819.6A CN113945260A (en) | 2020-07-15 | 2020-07-15 | Continuous type micro-metering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113945260A true CN113945260A (en) | 2022-01-18 |
Family
ID=79326167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010682819.6A Pending CN113945260A (en) | 2020-07-15 | 2020-07-15 | Continuous type micro-metering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113945260A (en) |
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2020
- 2020-07-15 CN CN202010682819.6A patent/CN113945260A/en active Pending
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