Intelligent feeding control mechanism of rotary valve

By introducing components such as a weighing device and a stepper motor into the rotary valve, the problem of inaccurate weight control of the rotary valve feed was solved, achieving precise quantitative and stable feeding, and simplifying the operation process.

CN223721941UActive Publication Date: 2025-12-26常州绿青环保科技有限公司
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Patent Information

Application Number
CN202520563291.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-12-26
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing rotary valves lack precise metering tools and automated assistance during feeding, resulting in large errors in material weight control. Factors such as operator experience and fatigue lead to a wide range of weight fluctuations.

Method used

A rotary valve intelligent feeding control mechanism was designed, which includes components such as a weighing device, a stepper motor, a baffle, and a scraper. The weighing device accurately controls the weight of the material, the stepper motor drives the baffle to open and close the channel to achieve quantitative feeding, and the scraper cleans the residual material on the inner wall of the material cylinder. A pressure sensor detects the storage status.

Benefits of technology

It enables precise quantitative feeding via rotary valve, reduces material residue, improves feeding accuracy and stability, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intelligent feeding control mechanism for a rotary valve, and particularly relates to the technical field of rotary valves, the intelligent feeding control mechanism comprises the rotary valve, a first connecting plate and a vertical pipe, the bottom end of the first connecting plate is fixed with the rotary valve through a bolt, the bottom end of the vertical pipe is fixedly communicated with the first connecting plate, and a weighing device is fixedly arranged on the vertical pipe. And the top end of the weighing device is fixedly connected with a charging barrel, the bottom end of the charging barrel fixedly communicates with the vertical pipe, the outer side of the charging barrel is fixedly connected with a second connecting plate, and the top of the second connecting plate is fixedly connected with a third connecting plate through a bolt. Materials in the charging barrel are weighed through the weighing device, when the materials reach the specified weight set at the control terminal in advance, the second stepping motor works to drive the baffle to rotate to the other side, the materials in the charging barrel vertically fall down through the vertical pipe and enter the rotary valve, accurate and quantitative feeding operation is achieved, operation is simple, and operation efficiency is high. And feeding of materials can be controlled conveniently, and the using effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rotary valve, more specifically, the utility model relates to a rotary valve intelligent feeding control mechanism. BACKGROUND

[0002] Rotary valve, also known as air lock, plays an indispensable role in industrial production process, which mainly has core functions such as material conveying, air locking and flow regulation; from the perspective of material conveying, rotary valve can realize continuous and stable transfer of materials between different equipment, whether the materials are granular, powdery or small blocky, they can be orderly conveyed from the feeding port to the discharging port through the specific structure inside; in terms of air locking function, it is like an efficient gas barrier, effectively preventing the backflow of gas during material unloading, maintaining the stability of the pressure in the system, preventing energy loss and adverse effects on the production environment caused by gas leakage, rotary valve is usually divided into three categories: ordinary type, pressure-resistant type and high-temperature-resistant type.

[0003] The existing rotary valve generally feeds materials manually when feeding materials, and the weight of the materials fed by manual feeding is greatly different due to the lack of precise measuring tools and automation assistance, the operator can only rely on his own experience and visual judgment, resulting in a great error in weight control; the operation habits and judgment standards of different operators are greatly different, even the same operator will have a great fluctuation range of the weight of the materials fed due to fatigue, distraction and other factors during long-time operation. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rotary valve intelligent feeding control mechanism, which aims to solve the problems raised in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotary valve intelligent feeding control mechanism, comprising a rotary valve, a first connecting plate and a stand pipe, the bottom end of the first connecting plate is fixed with the rotary valve through bolts, the bottom end of the stand pipe is fixedly communicated with the first connecting plate, a load cell is fixedly installed on the stand pipe, the top end of the load cell is fixedly connected with a barrel, and the bottom end of the barrel is fixedly communicated with the stand pipe, the outer side of the barrel is fixedly connected with a second connecting plate, the top of the second connecting plate is fixedly connected with a third connecting plate through bolts, the top end of the third connecting plate is fixedly communicated with a hose, the top end of the hose is fixedly communicated with a feeding hopper, a control assembly is arranged in the barrel, the control assembly comprises a support frame, a second stepper motor, a rotating shaft and a baffle, and the bottom end of the support frame is fixedly connected with the barrel.

[0006] Further, the top end of the second stepper motor is fixedly connected with the support frame, and the output shaft end of the second stepper motor is fixedly connected with the rotating shaft, the bottom end of the rotating shaft is fixedly connected with the baffle, and the bottom of the baffle is in contact with the barrel.

[0007] Further, the U-shaped plate is movably connected with the rotating shaft through a bearing, and the top end of the U-shaped plate is fixedly connected with the support frame.

[0008] It can be seen that, in the above technical solution, the U-shaped plate can support the rotating shaft, thereby improving the stability of the rotating shaft.

[0009] Further, the third connecting plate is provided with a cleaning assembly, and the cleaning assembly comprises a first stepper motor, a lead screw, a sliding rod and a scraper.

[0010] Further, the first stepper motor is fixedly installed at the top end of the third connecting plate, and the output shaft end of the first stepper motor is fixedly connected with the lead screw, the top end of the sliding rod is fixedly connected with the third connecting plate, and the bottom end of the sliding rod and the sliding rod are both penetrating through the scraper.

[0011] It can be seen that, in the above technical solution, the material adhered to the inner wall of the barrel can be thoroughly cleaned.

[0012] Further, the bottom end of the scraper is fixedly connected with two pressure sensors.

[0013] It can be seen that, in the above technical solution, the material storage condition in the barrel is detected.

[0014] Further, the outer side of the feeding hopper is fixedly connected with an L-shaped plate, and the bottom end of the two L-shaped plates is fixedly connected with the first connecting plate.

[0015] It can be seen that, in the above technical solution, the feeding hopper is conveniently supported.

[0016] The technical effects and advantages of the present application are as follows:

[0017] 1. The weighing device is used for weighing the material in the barrel, when the material reaches the specified weight set in the control terminal, the second stepper motor works to drive the rotating shaft to rotate, thereby driving the baffle to rotate to the other side, thereby opening the channel between the barrel and the standpipe, the material in the barrel falls vertically through the standpipe and enters the rotary valve, realizing precise quantitative feeding operation, which is simple in operation and convenient for controlling the feeding of the material, and has good use effect.

[0018] 2, the utility model discloses a first stepper motor work drive screw rod rotation to drive the scraper to move down, and the scraper can clean the material adhered to the inner wall of the cylinder thoroughly, avoids the material residue to influence the precision of subsequent feeding and material characteristics, and simultaneously the scraper drives two pressure sensors to move down, and the pressure sensor detects the material storage condition in the cylinder, simple structure, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have the substantial meaning in the art, and any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope covered by the disclosed technical content of the utility model.

[0020] Figure 1 It is the overall structure schematic diagram of the utility model;

[0021] Figure 2 It is the first connecting plate and the feeding hopper assembly structure schematic diagram of the utility model;

[0022] Figure 3 It is the first connecting plate and the vertical pipe assembly structure schematic diagram of the utility model;

[0023] Figure 4 It is the cylinder cross section and the first stepper motor assembly structure schematic diagram of the utility model;

[0024] Figure 5 It is the control assembly structure schematic diagram of the utility model.

[0025] In the drawing: 1, rotary valve;2, first connecting plate;3, weigher;4, cylinder;5, second connecting plate;6, third connecting plate;7, feeding hopper;8, first stepper motor;9, vertical pipe;10, screw rod;11, slide bar;12, scraper;13, pressure sensor;14, control assembly;15, hose;16, L-shaped plate;1401, support frame;1402, second stepper motor;1403, rotating shaft;1404, baffle;1405, U-shaped plate. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Referring to the drawings Figures 1-5 The intelligent feeding control mechanism of the rotary valve of the embodiment comprises a rotary valve 1, a first connecting plate 2, and a stand pipe 9. The bottom end of the first connecting plate 2 is fixed with the rotary valve 1 through bolts. The bottom end of the stand pipe 9 is fixedly communicated with the first connecting plate 2. A load cell 3 is fixedly installed on the stand pipe 9. The top end of the load cell 3 is fixedly connected with a material cylinder 4. The bottom end of the material cylinder 4 is fixedly communicated with the stand pipe 9. A second connecting plate 5 is fixedly connected with the outside of the material cylinder 4. A third connecting plate 6 is fixedly connected with the top of the second connecting plate 5 through bolts. A soft pipe 15 is fixedly communicated with the top end of the third connecting plate 6. A feeding hopper 7 is fixedly communicated with the top end of the soft pipe 15. A control assembly 14 is arranged in the inside of the material cylinder 4. The control assembly 14 comprises a supporting frame 1401, a second stepping motor 1402, a rotating shaft 1403, and a baffle 1404. The bottom end of the supporting frame 1401 is fixedly connected with the material cylinder 4.

[0028] Further, the top end of the second stepping motor 1402 is fixedly connected with the supporting frame 1401. The output shaft end of the second stepping motor 1402 is fixedly connected with the rotating shaft 1403. The bottom end of the rotating shaft 1403 is fixedly connected with the baffle 1404. The bottom of the baffle 1404 is in contact with the material cylinder 4. A U-shaped plate 1405 is movably connected with the rotating shaft 1403 through a bearing. The top end of the U-shaped plate 1405 is fixedly connected with the supporting frame 1401.

[0029] Further, a cleaning assembly is arranged on the third connecting plate 6. The cleaning assembly comprises a first stepping motor 8, a lead screw 10, a sliding rod 11, and a scraper 12. The first stepping motor 8 is fixedly installed at the top end of the third connecting plate 6. The output shaft end of the first stepping motor 8 is fixedly connected with the lead screw 10. The top end of the sliding rod 11 is fixedly connected with the third connecting plate 6. The sliding rod 11 and the sliding rod 11 are both penetrated through the scraper 12. The bottom end of the scraper 12 is fixedly connected with two pressure sensors 13.

[0030] Further, L-shaped plates 16 are fixedly connected with the outside of the feeding hopper 7. The bottom ends of the two L-shaped plates 16 are fixedly connected with the first connecting plate 2.

[0031] Wherein, the first stepper motor 8 is started, the first stepper motor 8 works to drive the screw rod 10 to rotate, since the screw rod 10 is threadedly connected with the scraper 12, the slide rod 11 restricts the rotation of the scraper 12, so the screw rod 10 can drive the scraper 12 to move downwards, the outer side of the scraper 12 adopts soft rubber material with strong friction force, which is tightly attached to the inner wall of the barrel 4, the scraper 12 can thoroughly clean the material adhered to the inner wall of the barrel 4 during the downward movement, avoiding the influence of material residues on the accuracy of subsequent feeding and material properties, at the same time, the scraper 12 drives the two pressure sensors 13 to move downwards, the pressure sensors 13 detect the material storage condition in the barrel 4, and the first stepper motor 8 is reversed to drive the scraper 12 to move upwards, the height of the scraper 12 is adjusted according to requirements, the structure is simple, convenient to use, and the scraper 12 is disassembled and replaced through the fixing of the bolt contact between the third connecting plate 6 and the second connecting plate 5.

[0032] The use method of the embodiment is:

[0033] In use, the first connecting plate 2 is installed on the rotary valve 1 through a bolt, the worker pours the material into the feeding hopper 7, the material enters the barrel 4 through the hose 15, the barrel 4 stores the material, the material in the barrel 4 is weighed by the weighing device 3, the weighing device 3 is electrically connected with the intelligent control system, and the weight data of the material in the barrel 4 can be transmitted to the control terminal in real time, when the material reaches the specified weight set in the control terminal in advance, the intelligent control system will immediately issue an instruction to start the second stepper motor 1402, the second stepper motor 1402 works to drive the rotating shaft 1403 to rotate, thereby driving the baffle 1404 to rotate to the other side, thereby opening the passage between the barrel 4 and the stand pipe 9, the material in the barrel 4 vertically falls through the stand pipe 9 and enters the rotary valve 1, realizing the precise and quantitative feeding operation, the operation is simple, the feeding of the material is convenient to control, the use effect is good, and meanwhile the U-shaped plate 1405 can support the rotating shaft 1403, thereby improving the stability of the rotating shaft 1403.

[0034] The contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used, in the technical solution, the electric appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings, and will not be described here.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotary valve intelligent feeding control mechanism, comprising a rotary valve (1), a first connecting plate (2), and a riser (9), wherein the bottom end of the first connecting plate (2) is fixed to the rotary valve (1) by bolts, and the bottom end of the riser (9) is fixedly connected to the first connecting plate (2), characterized in that: A weighing device (3) is fixedly installed on the riser (9). A material cylinder (4) is fixedly connected to the top of the weighing device (3), and the bottom of the material cylinder (4) is fixedly connected to the riser (9). A second connecting plate (5) is fixedly connected to the outside of the material cylinder (4). A third connecting plate (6) is fixedly connected to the top of the second connecting plate (5) by bolts. A hose (15) is fixedly connected to the top of the third connecting plate (6). A feed hopper (7) is fixedly connected to the top of the hose (15). A control component (14) is provided inside the material cylinder (4). The control component (14) includes a support frame (1401), a second stepper motor (1402), a rotating shaft (1403), and a baffle (1404). The bottom of the support frame (1401) is fixedly connected to the material cylinder (4).

2. The intelligent rotary valve feeding control mechanism according to claim 1, characterized in that: The top end of the second stepper motor (1402) is fixedly connected to the support frame (1401), and the output shaft end of the second stepper motor (1402) is fixedly connected to the rotating shaft (1403). The bottom end of the rotating shaft (1403) is fixedly connected to the baffle (1404), and the bottom of the baffle (1404) is in contact with the material cylinder (4).

3. The intelligent rotary valve feeding control mechanism according to claim 1, characterized in that: A U-shaped plate (1405) is movably connected to the rotating shaft (1403) via a bearing, and the top end of the U-shaped plate (1405) is fixedly connected to the support frame (1401).

4. The intelligent rotary valve feeding control mechanism according to claim 1, characterized in that: The third connecting plate (6) is provided with a cleaning assembly, which includes a first stepper motor (8), a lead screw (10), a slide bar (11), and a scraper (12).

5. The intelligent rotary valve feeding control mechanism according to claim 4, characterized in that: The first stepper motor (8) is fixedly installed on the top of the third connecting plate (6), and the output shaft end of the first stepper motor (8) is fixedly connected to the lead screw (10). The top of the slide rod (11) is fixedly connected to the third connecting plate (6), and the bottom of the slide rod (11) and the slide rod (12) both penetrate the scraper (12).

6. The intelligent rotary valve feeding control mechanism according to claim 4, characterized in that: Two pressure sensors (13) are fixedly connected to the bottom end of the scraper (12).

7. The intelligent rotary valve feeding control mechanism according to claim 1, characterized in that: The outer side of the feed hopper (7) is fixedly connected with an L-shaped plate (16), and the bottom ends of the two L-shaped plates (16) are fixedly connected to the first connecting plate (2).