Novel vacuum feeding control device

Abstract

The utility model discloses a novel vacuum feeding control device, which belongs to the technical field of vacuum feeding and comprises a feeding tank, a vacuum pump connected with the feeding tank through a pipeline, a feeding control valve mounted at a discharge port of the feeding tank and a suction port arranged on the side wall of the feeding tank. A driving motor is installed on the side wall, away from the material suction opening, of the feeding tank through a support, a supporting boss which is located below the material suction opening and is of an annular structure is fixedly connected to the inner side of the feeding tank, guide columns are symmetrically and fixedly connected to the upper surface of the supporting boss, and limiting bosses are installed at the top ends of the guide columns; a spring is sleeved on the guide column, the outer frame is reset by the aid of elastic acting force of the spring and is matched with the supporting boss to generate vibration, so that powder is screened by the aid of the screen, caked powder is intercepted by the screen, and after the feeding control valve is opened, separated material discharge in the feeding tank is facilitated, and blockage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum feeding technology field, more specifically, relate to a novel vacuum feeding control device. BACKGROUND

[0002] Vacuum feeding machine is a kind of equipment using vacuum negative pressure principle, powder, granular or small block material is sucked up through pipeline, and is transported to specified position.It is often used in the occasion needing material conveying in closed, dust-free environment, such as pharmaceutical, food, chemical industry.

[0003] The existing vacuum feeding device in the process of inhaling powder into the feeding tank, the lump of material is also inhaled into the feeding tank, when these lumps reach a certain number, it is easy to block the discharge port of vacuum feeding device, it is not easy to discharge the material in the feeding tank, therefore, need to screen control powder during feeding, so we propose a kind of novel vacuum feeding control device to solve the above problems. UTILITY MODEL CONTENTS

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims at providing a novel vacuum feeding control device, which utilizes the elastic force of spring to reset the outer frame and cooperate with the support boss to produce vibration, so as to screen the powder by the screen, and the lump of powder is intercepted by the screen, which is beneficial to discharge the material in the feeding tank after opening the feeding control valve, and prevents blockage.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A kind of novel vacuum feeding control device, including feeding tank, vacuum pump connected with the feeding tank by pipeline, feeding control valve installed in the discharge port part of the feeding tank and suction port opened in the lateral wall of the feeding tank, the lateral wall of the feeding tank away from the suction port is installed with drive motor by support;

[0009] The inner side of the feeding tank is fixedly connected with the support boss arranged in the form of annular structure below the suction port, the upper surface of the support boss is fixedly connected with guide column in a symmetrical manner, and the top end of the guide column is installed with limit boss;

[0010] Spring is sleeved on the guide column;

[0011] The lower portion of the spring is provided with the outer frame slidably connected with the guide column, and the outer frame is arranged in the form of annular structure, and the inner side of the outer frame is installed with screen;

[0012] The shaft rod is in transmission connection with the power output end of the driving motor, and a push rod corresponding to the outer frame is installed on the outer wall of the shaft rod.

[0013] Further, one end of the spring is in abutment with the limiting boss, and the other end of the spring is in abutment with the outer frame.

[0014] Further, the outer diameter of the outer frame is matched with the inner diameter of the feeding tank, and the inner diameter of the outer frame is smaller than the inner diameter of the supporting boss.

[0015] Further, a rubber gasket is arranged between the supporting boss and the outer frame and is sleeved on the guide column.

[0016] Further, the port part of the material suction port is connected with a powder meter through a flange.

[0017] Further, the feeding end of the powder meter is connected with an electric control valve through a flange, and the feeding end of the electric control valve is in conductive connection with a material suction hose.

[0018] Further, a control host is installed on the outer wall of the feeding tank, and the output end of the control host is in electrical connection with the input end of the vacuum pump, the driving motor, the powder meter and the electric control valve respectively.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the utility model lie in that:

[0021] (1) According to the scheme, under the action of the negative pressure of the control vacuum pump, the powder is sucked into the feeding tank through the material suction port, at the same time, the driving motor is started to drive the shaft rod to rotate, so that the push rod is in contact with the outer frame, and under the guidance of the guide column, the outer frame is pushed upward, and the spring is compressed and deformed in cooperation with the limiting boss, after the push rod is separated from the outer frame, the elastic force of the spring is used to reset the outer frame and cooperate with the supporting boss to produce vibration, so that the screen is used for screening the powder, and the caked powder is intercepted by the screen, after the feeding control valve is opened, the separated powder in the feeding tank is discharged, and blockage is prevented.

[0022] (2) According to the scheme, the material suction hose is inserted into the separated powder storage container, the amount of the powder sucked is measured by the powder meter during the material suction process, after the feeding amount of the powder is reached, the electric control valve is closed by the control host, so that the feeding amount of the powder can be accurately controlled. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is the side view schematic diagram of the feeding tank of the utility model;

[0025] Figure 3 It is the A-part sectional view schematic diagram of the feeding tank of the utility model;

[0026] Figure 4 It is the A-part enlarged schematic diagram of the utility model.

[0027] Mark explanation in the drawing:

[0028] 1, feeding tank;2, vacuum pump;3, feeding control valve;4, suction port;5, driving motor;6, support boss;7, guide column;8, limit boss;9, spring;10, outer frame;11, screen;12, rubber gasket;13, shaft;14, lever;15, powder meter;16, electric control valve;17, suction hose;18, control host. Specific implementation

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] Embodiment:

[0031] Please refer to Figures 1-4 A novel vacuum feeding control device, including feeding tank 1, vacuum pump 2 connected with feeding tank 1 through pipeline, feeding control valve 3 installed at the discharge port part of feeding tank 1 and suction port 4 opened on the side wall of feeding tank 1, the side wall of feeding tank 1 away from suction port 4 is installed with driving motor 5 through support;

[0032] The inner side of feeding tank 1 is fixedly connected with support boss 6 arranged in annular structure below suction port 4, the upper surface of support boss 6 is fixedly connected with guide column 7 in symmetry, and the top end of guide column 7 is installed with limit boss 8;

[0033] Spring 9 is sleeved on guide column 7;

[0034] The lower side of spring 9 is provided with outer frame 10 slidably connected with guide column 7, and outer frame 10 is arranged in annular structure, and outer frame 10 is installed with screen 11 on the inner side;

[0035] The lower side of support boss 6 is installed with shaft 13 drivingly connected with the power output end of driving motor 5, and the outer wall of shaft 13 is installed with lever 14 corresponding to outer frame 10;

[0036] It should be noted that the new vacuum feeding control device, under the action of the negative pressure of the working vacuum pump 2, the powder is sucked into the feeding tank 1 through the suction port 4, at the same time, the driving motor 5 is started to drive the shaft rod 13 to rotate, so that the push rod 14 is in contact with the outer frame 10, and under the guidance of the guide column 7, the outer frame 10 is pushed upward, and the spring 9 is compressed and deformed in cooperation with the limiting boss 8, after the push rod 14 is separated from the outer frame 10, the spring 9 is reset and vibrates in cooperation with the supporting boss 6, so that the powder is screened by the screen 11, and the caked powder is intercepted by the screen 11, after the feeding control valve 3 is opened, the powder in the feeding tank 1 is discharged, preventing clogging.

[0037] As shown in Figure 4 , one end of the spring 9 abuts against the limiting boss 8, and the other end of the spring 9 abuts against the outer frame 10;

[0038] It should be noted that after the push rod 14 is separated from the outer frame 10, the spring 9 is reset and vibrates in cooperation with the supporting boss 6, so that the powder is screened by the screen 11.

[0039] As shown in Figure 4 , the outer diameter of the outer frame 10 is matched with the inner diameter of the feeding tank 1, and the inner diameter of the outer frame 10 is smaller than the inner diameter of the supporting boss 6;

[0040] It should be noted that the end of the push rod 14 can be in contact with the outer frame 10.

[0041] As shown in Figure 4 , a rubber gasket 12 is arranged between the supporting boss 6 and the outer frame 10 and is sleeved on the guide column 7;

[0042] It should be noted that the spring force after the outer frame 10 is reset can be increased by arranging the rubber gasket 12, which is beneficial to the screening of the powder by the screen 11.

[0043] As shown in Figure 1 , the port part of the suction port 4 is connected with a powder meter 15 through a flange, the feeding end of the powder meter 15 is connected with an electric control valve 16 through a flange, the feeding end of the electric control valve 16 is connected with a suction hose 17 in a conductive manner, and the outer wall of the feeding tank 1 is provided with a control host 18, and the output end of the control host 18 is electrically connected with the input end of the vacuum pump 2, the driving motor 5, the powder meter 15 and the electric control valve 16 respectively;

[0044] It should be noted that the suction hose 17 is inserted into the powder storage container, the amount of powder sucked is measured by the powder meter 15 during the suction process, and after the feeding amount of powder is reached, the electric control valve 16 is closed by the control host 18, so that the feeding amount of powder can be accurately controlled.

[0045] In use: by controlling the vacuum pump 2 works under the action of negative pressure drop powder through the suction port 4 into the feeding tank 1, while starting drive motor 5 shaft rod 13 rotation, make the rod 14 and the outer frame 10 contact, and under the guide column 7 guide effect well frame 10 upward push, while cooperating with the limiting boss 8 will spring 9 compression deformation, after the rod 14 and the outer frame 10 contact, the use of spring 9 elastic force makes the outer frame 10 reset and cooperate with the support boss 6 vibration, thus using the screen 11 on the powder screening, and the caked powder is intercepted by the screen 11.

[0046] The above description is only the preferred embodiment of the present application; the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme of the present application and its improvement concept, should be covered in the protection scope of the present application.

Claims

1. A novel vacuum feeding control device, comprising a feeding tank (1), a vacuum pump (2) connected to the feeding tank (1) via a pipeline, a feeding control valve (3) installed at the discharge port of the feeding tank (1), and a suction port (4) opened on the side wall of the feeding tank (1), characterized in that: A drive motor (5) is mounted on the side wall of the feeding tank (1) away from the suction port (4) via a bracket; The inner side of the feeding tank (1) is fixedly connected to a support boss (6) arranged in a ring structure below the suction port (4). The upper surface of the support boss (6) is symmetrically fixedly connected to guide posts (7). The top of the guide post (7) is equipped with a limiting boss (8). A spring (9) is fitted onto the guide post (7); Below the spring (9) is an outer frame (10) that is slidably connected to the guide post (7), and the outer frame (10) is arranged in a ring structure. A screen (11) is installed on the inner side of the outer frame (10). A shaft (13) that is connected to the power output end of the drive motor (5) is installed below the support boss (6), and a lever (14) corresponding to the outer frame (10) is installed on the outer wall of the shaft (13).

2. The novel vacuum feeding control device according to claim 1, characterized in that: One end of the spring (9) abuts against the limiting boss (8), and the other end of the spring (9) abuts against the outer frame (10).

3. The novel vacuum feeding control device according to claim 1, characterized in that: The outer diameter of the outer frame (10) is adapted to the inner diameter of the feeding tank (1), and the inner diameter of the outer frame (10) is smaller than the inner diameter of the supporting boss (6).

4. The novel vacuum feeding control device according to claim 1, characterized in that: A rubber gasket (12) is provided between the support boss (6) and the outer frame (10) and sleeved on the guide post (7).

5. The novel vacuum feeding control device according to claim 1, characterized in that: The feed inlet (4) is connected to a powder meter (15) via a flange.

6. A novel vacuum feeding control device according to claim 5, characterized in that: The feed end of the powder meter (15) is connected to an electric control valve (16) via a flange, and the feed end of the electric control valve (16) is connected to a suction hose (17).

7. A novel vacuum feeding control device according to claim 6, characterized in that: The outer wall of the feeding tank (1) is equipped with a control host (18), and the output end of the control host (18) is electrically connected to the input end of the vacuum pump (2), the drive motor (5), the powder meter (15) and the electric control valve (16).

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