Semi-sealed double-layer batching constant feeder
By designing a semi-sealed double-layer quantitative feeder, the problems of large footprint and dust pollution associated with traditional quantitative feeding methods have been solved, resulting in reduced equipment costs and improved space utilization, while ensuring the accuracy of quantitative feeding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WEIFANG MINGZHU ELECTRONICS CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional quantitative feeding methods require two quantitative feeders, which occupy a large area, have high equipment costs, and easily generate dust during the feeding and conveying of mineral powder, affecting the working environment.
Design a semi-sealed double-layer quantitative feeder, including a lower layer and an upper layer feeder, both of which are equipped with a sealed cover. Each is equipped with a conveyor belt, a weighing module, and a speed measuring device. The control system monitors the feeding amount in real time, reducing the equipment footprint and dust diffusion.
This reduces the equipment footprint, lowers equipment costs, reduces dust pollution, improves space utilization, and ensures the accuracy of quantitative ingredient dispensing.
Smart Images
Figure CN224104815U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of semi-sealed double-layer batching quantitative feeder. BACKGROUND
[0002] Quartz sand, feldspar, carbon black, kaolin and other mineral powders, when two kinds of mineral powders are quantitatively fed, the traditional quantitative feeding method is to use two quantitative feeders to feed, and the powders sent by the two quantitative feeders are then collected on a mixing belt to complete the quantitative batching of the two powders. Belt conveying is a common material conveying method for quantitative feeders. This feeding method has the following disadvantages: two quantitative feeders are needed, which increases equipment cost and investment; two quantitative feeders occupy a large area and require a large installation space; in addition, mineral powders are prone to dust during feeding and conveying, which affects the working environment. SUMMARY
[0003] The utility model provides a semi-sealed double-layer batching quantitative feeder that can reduce the floor area and installation space to solve the problem of large installation space when two quantitative feeders are used to quantitatively feed two kinds of mineral powders in the prior art.
[0004] To solve the above technical problems, the utility model has the following structural characteristics: a lower feeder and an upper feeder located above the lower feeder are included, a sealing cover is provided on the outside of the lower feeder and the upper feeder, the lower feeder and the upper feeder each include a support body, a conveying belt for conveying materials is installed on the support body, the feeding directions of the lower feeder and the upper feeder are the same, both ends of the conveying belt are provided with a driving drum and a driven drum, the driving drum is driven by a power device, two feeding ports for feeding materials to the lower feeder and the upper feeder are provided on the sealing cover, a discharging port is also provided on the sealing cover, and the discharging port is located below the material dropping end of the conveying belt of the lower feeder and the upper feeder; a weighing module for detecting the weight of materials on the conveying belt and a speed measuring device for detecting the running speed of the conveying belt are provided on the lower feeder and the upper feeder, and the weighing module and the speed measuring device are electrically connected to a control system.
[0005] After the above structure, when the two kinds of mineral powder are quantitatively fed, one kind of mineral powder falls to the conveying belt of the upper feeder through the feeding port, and the other kind of mineral powder falls to the conveying belt of the lower feeder through the other feeding port, the upper feeder and the lower feeder respectively transmit the two kinds of mineral powder to the direction of the discharging port, and when the mineral powder is conveyed to the discharging end of the conveying belt, the mineral powder falls into the discharging port and then falls from the discharging port. The quantitative feeder of the utility model comprises two upper and lower feeders, the upper feeder is located above the lower feeder, the floor area of the equipment is reduced, and the space utilization rate is improved; the feeder adopts a semi-sealed structure, an external sealing cover is arranged, two feeding ports and one discharging port are arranged on the sealing cover, dust diffusion during powder feeding and conveying is reduced, the upper feeder and the lower feeder are both provided with a weighing module and a speed measuring device, the weighing module transmits the weight of the powder conveyed on the conveying belt to the control system in real time, the speed measuring device transmits the running speed of the conveying belt to the control system, the control system calculates the feeding amount of the powder according to the weight information of the powder and the running speed information of the conveying belt, and the feeding and mixing situation is monitored.
[0006] The centers of the driving rollers of the upper feeder and the lower feeder are on the same vertical line, and the discharging end of the conveying belt of the upper feeder and the lower feeder is one end of the driving roller.
[0007] The center distance between the driving roller and the driven roller of the upper feeder is smaller than that of the lower feeder.
[0008] The center distance between the feeding port of the upper feeder and the feeding port of the lower feeder is greater than 1000mm.
[0009] The upper feeder and the lower feeder are both provided with a speed measuring device, and the feeding port is arranged close to the driven roller of the conveying belt.
[0010] The diameter of the driving roller is the same as that of the driven roller.
[0011] The support body of the upper feeder is connected to the lower feeder through bolts and nuts, and rubber gaskets are arranged on the bolts and nuts at the connection position of the support body of the upper feeder and the lower feeder.
[0012] The speed measuring device is arranged close to the driven roller, and the weighing module is arranged close to the discharging end of the conveying belt.
[0013] The control system comprises an analog-digital conversion unit, a central processing unit, a storage unit and a display unit, the pressure sensor of the weighing module and the speed measuring sensor of the speed measuring device are electrically connected with the analog-digital conversion unit, the analog-digital conversion unit and the speed measuring sensor of the speed measuring device are electrically connected with the central processing unit, and the storage unit and the display unit are electrically connected with the central processing unit.
[0014] The utility model discloses a quantitative feeder, which is suitable for quantitative feeding of two kinds of mineral powder or other materials. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the A view of Figure 1
[0017] Figure 3 It is the B-B section schematic view of Figure 1
[0018] Figure 4 It is the connection mode schematic diagram of control system;
[0019] In the drawing: 1, seal cover, 101, lower feeder inlet, 102, upper feeder inlet, 103, discharge port, 2, lower support body, 3, lower driving drum, 4, lower speed reducer motor, 5, lower weighing module, 6, lower skirt ring belt, 7, lower speed measuring device, 8, lower driven drum, 9, upper support body, 10, upper driving drum, 11, upper speed reducer motor, 12, upper weighing module, 13, upper skirt ring belt, 14, upper speed measuring device, 15, upper driven drum, 110, analog-digital conversion unit, 120, central processing unit, 130, storage unit, 140, display unit. DETAILED DESCRIPTION
[0020] Refer to Figures 1-4 The utility model provides a kind of semi-sealed double-layer batching dosing machine, including lower feeder and upper feeder, upper feeder is located above lower feeder, i.e. two sets of feeders are designed as upper and lower two layers, lower feeder and upper feeder are equipped with sealing cover 1 outside, lower feeder and upper feeder all include support body, support body is all equipped with conveyor belt, both ends of conveyor belt are equipped with driving drum and driven drum, driving drum is driven to rotate by speed reducer motor, conveyor belt is usually also equipped with tensioning mechanism, specifically, lower feeder includes lower support body 2, lower support body 2 is equipped with lower skirt edge ring belt 6 for conveying material, both ends of lower skirt edge ring belt 6 are equipped with lower driving drum 3 and lower driven drum 8, lower driving drum 3 is driven to rotate by lower speed reducer motor 4, similarly, upper feeder includes upper support body 9, upper support body 9 is equipped with upper skirt edge ring belt 13 for conveying material, both ends of upper skirt edge ring belt 13 are equipped with upper driving drum 10 and upper driven drum 15, upper driving drum 10 is driven to rotate by upper speed reducer motor 11, the feeding direction of lower skirt edge ring belt 6 and upper skirt edge ring belt 13 is same;Sealing cover 1 is equipped with lower feeder inlet 101 and upper feeder inlet 102, lower feeder inlet 101 is located above lower skirt edge ring belt 6, upper feeder inlet 102 is located above upper skirt edge ring belt 13, material is thrown to lower skirt edge ring belt 6 through lower feeder inlet 101, material is thrown to upper skirt edge ring belt 13 through upper feeder inlet 102, one end of sealing cover 1 is equipped with discharge port 103, discharge port 103 is located below the material falling end of lower skirt edge ring belt 6 and upper skirt edge ring belt 13, the material of lower feeder and upper feeder falls from the material falling end of conveyor belt and is sent out from discharge port 103;Lower feeder and upper feeder are all equipped with weighing module for detecting the weight of material on conveyor belt and speed measuring device for detecting the running speed of conveyor belt, specifically, lower feeder is equipped with lower weighing module 5 and lower speed measuring device 7, upper feeder is equipped with upper weighing module 12 and upper speed measuring device 14, weighing module and speed measuring device are electrically connected with control system.It can be seen from the following that the length of the lower feeder is greater than that of the upper feeder, the sealing cover 1 can be connected to the lower support body 2, for example, the sealing cover 1 is divided into upper and lower two parts, the bottom of the upper half (i.e. the connection with the lower support body 2) is provided with a turned edge, the upper half is placed on the platform of the lower support body 2 where the skirt ring belt is installed, and a sealing gasket or sealing ring, such as a rubber sealing gasket, is arranged at the connection between the upper half and the lower support body 2, and the upper half is fixed by bolts and nuts. Similarly, the lower half of the sealing cover 1 is connected to the lower support body 2 by bolts and nuts, and the connection between the lower half and the lower support body 2 is also provided with a sealing gasket or sealing ring. The part of the sealing cover 1 that does not contact the lower support body 2 is provided with a turned edge on the upper half and the lower half, which are connected by bolts and nuts, and a sealing gasket or sealing ring is arranged at the connection, and the connection mode is similar to that of a flange. Of course, the sealing cover 1 can also be designed integrally, the sealing cover 1 covers the two sets of feeders completely, and the feeding inlet and the discharge outlet 103 are formed on the sealing cover 1; the sealing cover 1 is also provided with an inspection opening and other accessories that can be opened and closed, which are not shown in the figure or the text.
[0021] Referring to Figures 1-4The center of the driving roller of the upper feeder and the lower feeder is on the same vertical line, that is, the line connecting the centers of the upper driving roller 10 and the lower driving roller 3 is a vertical line, the material dropping end of the skirt ring belt of the upper feeder and the lower feeder is one end of the driving roller, since the centers of the upper driving roller 10 and the lower driving roller 3 are on the same vertical line, the material dropping point of the upper skirt ring belt 13 is above the material dropping point of the lower skirt ring belt 6, the material on the upper skirt ring belt 13 will pass the material dropping point of the lower skirt ring belt 6 when falling, and the two kinds of materials will be mixed to a certain extent during the falling process, and then are sent out through the discharge port 103, the discharge port 103 can adopt a tapered structure with a large upper part and a small lower part, and the material of the skirt ring belt falls on the side wall of the tapered structure and then slides downward; the center distance between the master and slave rollers of the upper feeder is less than that of the lower feeder, for example, the center distance between the master and slave rollers of the upper feeder and the lower feeder is more than 1000 mm, that is, the conveying surface length of the upper skirt ring belt 13 of the upper feeder is less than that of the lower skirt ring belt 6 of the lower feeder, and the two kinds of materials do not affect each other when feeding; the diameters of the driving roller and the driven roller of the upper feeder and the lower feeder are the same, so that the rotating speeds of the driving roller and the driven roller are the same; the upper support body 9 is connected to the lower feeder through bolts and nuts, for example, the legs of the upper support body 9 are connected to the side of the lower support body 2, and a 5 mm thick rubber gasket is arranged at the bolts and nuts where the upper support body 9 is connected to the lower feeder, which plays a role of buffering vibration and reduces the influence of vibration generated during the operation of the feeder on the other feeder.
[0022] With reference to Figures 1-4 The speed measuring device of the feeder is arranged close to the driven roller, and the weighing module is arranged close to the material dropping end of the conveying belt, specifically, the upper speed measuring device 14 is arranged close to the upper driven roller 15, the upper weighing module 12 is arranged close to the material dropping end of the upper skirt ring belt 13, the lower speed measuring device 7 is arranged close to the lower driven roller 8, and the lower weighing module 5 is arranged close to the material dropping end of the lower skirt ring belt 6; the speed measuring device can directly measure the running speed of the skirt ring belt, or can calculate the running speed of the skirt ring belt according to the diameter / radius of the skirt ring belt at the driven roller by detecting the rotating speed of the driven roller; Figure 4As shown, the control system comprises an analog-digital conversion unit 110, a central processing unit 120, a storage unit 130 and a display unit 140, the pressure sensors of the lower weighing module 5 and the upper weighing module 12 are electrically connected with the analog-digital conversion unit 110, the speed sensors of the lower speed measuring device 7 and the upper speed measuring device 14 are electrically connected with the analog-digital conversion unit 110, the pressure sensors and the speed sensors transmit the detected weight and speed signals to the analog-digital conversion unit 110, the analog-digital conversion unit 110 is electrically connected with the central processing unit 120, the analog-digital conversion unit 110 transmits the converted weight and speed signals to the central processing unit 120, the central processing unit 120 calculates the real-time feeding amount of the upper and lower feeders according to the weight and speed signals, the speed sensors of the lower speed measuring device 7 and the upper speed measuring device 14 are also electrically connected with the central processing unit 120, and transmit the speed signals to the central processing unit 120, the storage unit 130 and the display unit 140 are both electrically connected with the central processing unit 120, the storage unit 130 stores the feeding amount information, and the display unit 140 displays the feeding amount information of the two sets of feeders, the running speed information of the skirt edge belt and the like.
[0023] The use method is as follows: when two kinds of mineral powder materials such as quartz sand, feldspar, carbon black and kaolin are quantitatively fed, the two kinds of materials are set as A material and B material, the A material falls to the lower skirt edge ring belt 6 through the lower feeder inlet 101, the B material falls to the upper skirt edge ring belt 13 through the upper feeder inlet 102, the A material and the B material are transported to the material falling end along the skirt edge ring belt, and fall into the material outlet 103 when being transported to the material falling end of the skirt edge ring belt, the B material passes through the material falling end of the lower skirt edge ring belt 6 in the falling process, the B material collides with the A material in the falling process and then falls into the material outlet 103, and then is sent out through the material outlet 103; the weight signal of the material detected by the pressure sensor of the weighing module and the speed signal of the speed measuring device are respectively transmitted to the analog-digital conversion unit 110, and then are transmitted to the central processing unit 120 after signal conversion, the real-time feeding amount of the A material and the B material is calculated according to the weight signal and the speed signal, the feeding amount information of the A material and the B material and the running speed information of the upper skirt edge ring belt 13 and the lower skirt edge ring belt 6 are displayed on the display unit 140, and the quantitative feeding of the A material and the B material is monitored in real time; and the running speed of the skirt edge ring belt can also be adjusted according to the feeding amount, if the feeding amount of the powder material is large, the running speed of the skirt edge ring belt can be increased, so that the skirt edge ring belt is prevented from bearing too heavy material, and if the feeding amount of the powder material is small, the running speed of the skirt edge ring belt can be reduced, so that the skirt edge ring belt is loaded with a certain amount of powder material. The upper and lower layer design of the two sets of feeders improves the space utilization, reduces the land occupation and saves the installation space; the upper feeder and the lower feeder are externally provided with the sealing cover 1, the sealing cover 1 is a semi-sealed structure, the dust of the powder material can be reduced in the material falling and conveying process, and the influence on the environment is reduced; the control system monitors the feeding amount of the two kinds of powder materials in real time, and the accuracy of the feeding is monitored.
[0024] The semi-sealed double-layer quantitative feeder of the utility model, two sets of feeders adopt upper and lower layer design, save installation space, each set of feeder is equipped with conveyor belt, speed measuring device and weighing module, the outer part of feeder is equipped with sealing cover, sealing cover is equipped with two feeding inlets respectively feeding two conveyor belts and one material outlet, two kinds of materials are conveyed to the above of material outlet and then fall down, and then are sent out through material outlet; control system calculates the real-time feeding amount of material according to the weight signal of material and the running speed of conveyor belt, and monitors quantitative feeding condition; the quantitative feeder of the utility model is suitable for two kinds of mineral powder materials or other materials according to proportion quantitative feeding.
Claims
1. A semi-hermetic twin-layered ingredient doser, characterized by: The application relates to a double-layer feeding machine, which comprises a lower layer feeding machine and an upper layer feeding machine located above the lower layer feeding machine, the outer part of the lower layer feeding machine and the upper layer feeding machine is provided with a sealing cover (1), the lower layer feeding machine and the upper layer feeding machine both comprise a support body, the support body is provided with a conveying belt for conveying materials, the feeding directions of the lower layer feeding machine and the upper layer feeding machine are the same, the conveying belt is provided with a driving roller and a driven roller at two ends, the driving roller is driven by a power device, the sealing cover (1) is provided with two feeding ports for feeding materials to the lower layer feeding machine and the upper layer feeding machine respectively, the sealing cover (1) is also provided with a discharging port (103), and the discharging port (103) is located below the material falling end of the conveying belt of the lower layer feeding machine and the upper layer feeding machine; the lower layer feeding machine and the upper layer feeding machine are both provided with a weighing module for detecting the weight of materials on the conveying belt and a speed measuring device for detecting the running speed of the conveying belt, and the weighing module and the speed measuring device are both electrically connected with a control system.
2. The semi-hermetic twin-screw doser according to claim 1, characterized in that: The centers of the driving rollers of the upper layer feeding machine and the lower layer feeding machine are located on the same vertical line, and the material falling ends of the conveying belts of the upper layer feeding machine and the lower layer feeding machine are one end of the driving rollers.
3. The semi-hermetic twin-screw doser according to claim 2, characterized in that: The center distance between the driving roller and the driven roller of the upper layer feeding machine is smaller than that of the lower layer feeding machine.
4. The semi-hermetic twin-screw doser according to claim 3, characterized in that: The center distance between the feeding port of the upper layer feeding machine and the feeding port of the lower layer feeding machine is greater than 1000 mm.
5. The semi-hermetic twin-screw batch doser of claim 2, wherein: The upper layer feeding machine and the lower layer feeding machine are both provided with a speed reducer motor for driving the driving roller to rotate, and the feeding ports are arranged close to the driven rollers of the conveying belts.
6. The semi-hermetic twin-screw batch doser of claim 1, wherein: The diameters of the driving rollers and the driven rollers are the same.
7. The semi-hermetic twin-screw batch doser of claim 1, wherein: The support body of the upper layer feeding machine is connected to the lower layer feeding machine through bolts and nuts, and the bolts and nuts at the connection part of the support body of the upper layer feeding machine and the lower layer feeding machine are provided with rubber gaskets.
8. The semi-hermetic twin-screw batch doser of claim 1, wherein: The speed measuring device is arranged close to the driven roller, and the weighing module is arranged close to the material falling end of the conveying belt.
9. The semi-hermetic twin-screw doser according to claim 8, characterized in that: The control system comprises an analog-digital conversion unit (110), a central processing unit (120), a storage unit (130), a display unit (140), the pressure sensor of the weighing module and the speed measuring sensor of the speed measuring device are both electrically connected with the analog-digital conversion unit (110), the analog-digital conversion unit (110) and the speed measuring sensor of the speed measuring device are both electrically connected with the central processing unit (120), and the storage unit (130) and the display unit (140) are both electrically connected with the central processing unit (120).