Piston type constant-capacity dosing machine

Abstract

The utility model discloses a piston type constant-capacity dosing machine, which relates to the technical field of medicament adding equipment and comprises a box body, an upper chamber and a lower chamber are arranged in the box body, a feed port is arranged at the upper end of the box body, supporting columns are symmetrically arranged at the lower end of the box body, and the piston type constant-capacity dosing machine further comprises a stirring mechanism, a filtering mechanism and a quantifying mechanism. The stirring mechanism is arranged in the upper cavity and used for uniformly mixing various medicaments, the filtering mechanism is arranged below the stirring mechanism and used for filtering impurities in the medicaments, and the quantifying mechanism is arranged in the lower cavity and used for improving the dosing precision. By means of the stirring mechanism and the filtering mechanism, the purity and quality of chemicals are improved, a high-pressure air source extracted by the air pump serves as power through the pneumatic reversing solenoid valve to drive the piston cylinder to do reciprocating motion so as to suck and convey the chemicals, the action frequency of the chemical adding pump can be conveniently adjusted through the adjusting assembly, and therefore the accuracy of the chemical adding amount is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine adding equipment, in particular to a piston type constant capacity medicine adding machine. Background Art

[0002] In the fields of metallurgy, chemical industry, etc., the operation of adding reagents is often carried out through several types of dosing machines such as solenoid valve type, peristaltic pump type and metering pump type. However, this equipment has disadvantages such as large dosing error and difficulty in adjusting the dosing content. It is not suitable for occasions requiring higher dosing accuracy and cannot meet the requirements of precise dosing.

[0003] Based on this, piston-type constant volume dosing machines are now available to eliminate the drawbacks of existing equipment. Utility Model Content

[0004] The utility model aims to provide a piston-type constant-capacity dosing machine to solve the problem that the piston-type constant-capacity dosing machine is not suitable for occasions requiring high dosing accuracy and cannot meet the requirements of accurate dosing.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The piston-type constant volume dosing machine comprises a box body, wherein an upper chamber and a lower chamber are arranged inside the box body, a feed port is arranged at the upper end of the box body, and support columns are symmetrically arranged at the lower end of the box body. The machine also comprises a stirring mechanism, a filtering mechanism and a quantitative mechanism. The stirring mechanism is arranged inside the upper chamber for evenly mixing a plurality of medicines, the filtering mechanism is arranged below the stirring mechanism for filtering impurities in the medicines, and the quantitative mechanism is arranged inside the lower chamber for improving the dosing accuracy.

[0007] Preferably, the stirring mechanism includes a stirring shaft rotatably connected to the inner wall of the upper chamber, one end of the stirring shaft extends to the outside of the box body and is fixedly connected to the output end of the motor, a plurality of stirring rods are fixedly installed on the outside of the stirring shaft, reinforcing rods are cross-arranged on the outside of the stirring rods, and a discharge port is opened on the bottom wall of the upper chamber.

[0008] Preferably, the filtering mechanism includes an inclined plate fixedly connected to the inner wall of the box, a groove is provided on the surface of the inclined plate, a plurality of springs are fixedly installed inside the groove, one end of each spring is fixedly connected to the filter plate, a slide groove is provided on the inner wall of the box, one end of the filter plate extends to the outside of the box through the slide groove and is connected to a limiting plate, and a sealing gasket is provided at the position corresponding to the filter plate and the slide groove.

[0009] Preferably, the quantitative mechanism includes a plurality of connecting pipes, each of which is provided with a one-way valve on its outer side, each of which is connected to a quantitative box at its lower end, each of which is provided with a discharge port at its lower end, and an adjusting component is provided on one side of the quantitative box.

[0010] Preferably, the regulating assembly includes a piston cylinder, the output end of the piston cylinder is connected to a slide plate, the slide plate is slidably connected to the quantitative box, the end of the piston cylinder is fixedly connected to a cylinder, a pneumatic reversing solenoid valve is provided on one side of the cylinder, and the input end of the pneumatic reversing solenoid valve extends to the outside of the box and is connected to an air pump.

[0011] Preferably, a display screen is provided on one side of the box, and a PLC controller is provided on one side of the display screen.

[0012] Preferably, a proximity switch is provided at the end of the cylinder.

[0013] Preferably, the outer side of the air pump output end is threadedly connected with a dust cover, and a filter is provided inside the dust cover.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The utility model improves the purity and quality of medicines and increases practicability through a stirring mechanism and a filtering mechanism, adopts a piston cylinder as a constant volume doser, connects an air cylinder to form a dosing pump, uses a pneumatic reversing solenoid valve with a high-pressure air source extracted by the air pump as a power, drives the piston cylinder to reciprocate to absorb and transport medicines, provides a PLC controller and a display screen, and is manually operated by the user, so that the dosing amount can be automatically adjusted according to the settings of different needs, and the action frequency of the dosing pump can be adjusted through the adjustment component to ensure the accuracy of the dosing amount, so that automated dosing operation can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of one side of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the other side of the utility model.

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the utility model.

[0020] Figure 5 For the utility model Figure 3 Enlarged view of point A in the middle.

[0021] Figure 6 For the utility model Figure 3 Enlarged view of point B in the middle.

[0022] Notes on figure numbers: 101, casing; 102, upper chamber; 103, lower chamber; 104, feed port; 105, support column; 106, display screen; 107, PLC controller; 200, stirring mechanism; 201, stirring shaft; 202, motor; 203, stirring rod; 204, reinforcing rod; 300, filtering mechanism; 301, inclined plate; 302, groove; 303, spring; 304, filter plate; 400, dosing mechanism; 401, connecting pipe; 402, one-way valve; 403, dosing box; 404, feed port; 405, piston cylinder; 406, cylinder; 407, pneumatic reversing solenoid valve; 408, air pump; 409, proximity switch. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] Example 1

[0025] In this embodiment, if Figure 1-Figure 6 As shown, the piston-type constant volume dosing machine includes a box body 101, and the interior of the box body 101 is provided with an upper chamber 102 and a lower chamber 103 to avoid affecting the normal operation of the interiors of different chambers. The upper end of the box body 101 is provided with a feed port 104, and the feed port 104 is provided with a sealing cover to prevent impurities from entering the interior of the box body 101 when idle. The lower end of the box body 101 is symmetrically provided with support columns 105, which play a supporting role and are easy to move. It also includes a stirring mechanism 200, a filtering mechanism 300 and a quantitative Mechanism 400, the stirring mechanism 200 is arranged inside the upper chamber 102, and is used to mix multiple medicines evenly. The filtering mechanism 300 is arranged below the stirring mechanism 200, and is used to filter impurities in the medicine. The quantitative mechanism 400 is arranged inside the lower chamber 103, and is used to improve the dosing accuracy. Before the piston-type constant volume dosing machine starts to be used, first check whether the equipment can be used normally, and then inject the medicine into the box body 101 through the feed port 104, and start the motor 202, so that the equipment enters the standby state;

[0026] Among them Figure 2 and Figure 3As shown, the stirring mechanism 200 includes a stirring shaft 201 rotatably connected to the inner wall of the upper chamber 102, one end of the stirring shaft 201 extends to the outside of the box body 101 and is fixedly connected to the output end of the motor 202, and the motor 202 is started to drive the stirring shaft 201 and the stirring rod 203 to rotate, thereby mixing a variety of medicines evenly, which is convenient for adding medicines. A plurality of stirring rods 203 are fixedly installed on the outside of the stirring shaft 201, and reinforcing rods 204 are cross-arranged on the outside of the stirring rods 203 to improve the stirring effect of the reinforcing rods 204 and increase the overall practicality. A discharge port is opened on the bottom wall of the upper chamber 102, which is convenient for conveying the mixed medicines to the next mechanism;

[0027] Among them Figure 3 and Figure 5 As shown, the filtering mechanism 300 includes an inclined plate 301 fixedly connected to the inner wall of the box body 101, and the discharge port is located above the inclined plate 301. The inclined plate 301 allows the medicine to flow smoothly to the surface of the filter plate 304. The surface of the inclined plate 301 is provided with a groove 302, and the filter plate 304 is slidably connected to the groove 302. A plurality of springs 303 are fixedly installed inside the groove 302. The springs 303 enable the filter plate 304 to automatically return to its original position, so that the filter plate 304 can be pulled outward for easy cleaning. One end of the spring 303 is fixedly connected to the filter plate 304. The function of the filter plate 304 is to filter out impurities in the medicine to avoid affecting subsequent use. A slide groove is provided on the inner wall of the box 101. One end of the filter plate 304 extends to the outside of the box 101 through the slide groove and is connected to a limit plate. The limit plate and the box 101 are fixedly connected by a number of bolts to facilitate fixing the position. A sealing gasket is provided at the corresponding position of the filter plate 304 and the slide groove to prevent the medicine from flowing to the outside of the box 101 through the slide groove to avoid contamination.

[0028] Among them Figure 2 and Figure 3 As shown, the quantitative mechanism 400 includes a plurality of connecting pipes 401, and a one-way valve 402 is provided on the outside of the connecting pipe 401 to control the opening and closing of the connecting pipe 401 and the delivery amount of the medicine. The lower end of the connecting pipe 401 is connected to a quantitative box 403. After stirring and filtering, the medicine reaches the quantitative box 403 through the connecting pipe 401. The content of the medicine entering the quantitative box 403 is controlled by the regulating component to improve the dosing accuracy. The lower end of the quantitative box 403 is provided with a discharge port 404, and a control valve is provided at the discharge port 404 to facilitate the discharge operation. An adjusting component is provided on one side of the quantitative box 403. Through the adjusting component, the capacity inside the quantitative box 403 can be adjusted, so that the quantitative dosing operation of the medicine can be realized;

[0029] Among them Figure 3 and Figure 4As shown, the regulating component includes a piston cylinder 405, the output end of the piston cylinder 405 is connected to a slide plate, the slide plate is slidably connected to the quantitative box 403, the end of the piston cylinder 405 is fixedly connected to the cylinder 406, the piston cylinder 405 and the cylinder 406 are an integrated structure, thereby forming a dosing pump, a pneumatic reversing solenoid valve 407 is arranged on one side of the cylinder 406, two exhaust ports of the pneumatic reversing solenoid valve 407 are connected to the cylinder 406 through a pipeline, the cylinder 406 is powered on and off, so that the pneumatic reversing solenoid valve 407 can control the extension and retraction of the piston cylinder 405, thereby moving the position of the slide plate, so as to facilitate the adjustment of the capacity inside the quantitative box 403, the input end of the pneumatic reversing solenoid valve 407 extends to the outside of the box 101 and is connected to an air pump 408, the outside air is transported to the air inlet of the pneumatic reversing solenoid valve 407 through the air pump 408, and the gas is then transported to one end of the cylinder 406 through the connecting pipeline, so as to facilitate the telescopic operation;

[0030] Among them Figure 1 and Figure 2 As shown, a display screen 106 is provided on one side of the box 101, which is convenient for the user to perform touch operation. A PLC controller 107 is provided on one side of the display screen 106. The PLC controller 107 is electrically connected to the motor 202, the proximity switch 409, and the pneumatic reversing solenoid valve 407. The PLC controller 107 is electrically connected to the display screen 106, which is convenient to use and increases practicality.

[0031] Among them Figure 4 As shown, a proximity switch 409 is provided at the end of the cylinder 406, and the proximity switch 409 is used to control the stroke of the cylinder 406. When the stroke of the cylinder 406 reaches a specified position, the proximity switch 409 detects the position of the cylinder 406 and sends a signal to control the on and off of the air circuit, thereby stopping the movement of the cylinder 406.

[0032] Example 2

[0033] The difference from Example 1 is that Figure 3 and Figure 6 As shown, the outer threaded connection of the output end of the air pump 408 is provided with a dust cover, which is convenient for replacing and repairing the filter. The inside of the dust cover is provided with a filter to prevent dust from entering the inside of the air pump 408 and then entering the inside of the cylinder 406 and other components, which is inconvenient to clean.

[0034] During use, the medicine is injected into the box body 101 through the feed port 104. After the motor 202 is started, it drives the stirring rod 203 and the reinforcing rod 204 to rotate to improve the stirring efficiency. After the stirring is uniform, the medicine passes through the inclined plate 301 and the filter plate 304 to reach the inside of the connecting pipe 401, and the impurities and larger particles in the medicine are filtered out to avoid affecting the next use. Before the medicine reaches the quantitative mechanism 400, the user starts the air pump 408 and the pneumatic reversing solenoid valve 407 through the mutual cooperation between the display screen 106 and the PLC controller 107, and then retracts and retracts the slide plate inside the piston cylinder 405, thereby controlling the medicine capacity inside the quantitative box 403, thereby realizing the precise operation of adding medicine.

[0035] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A piston-type constant volume dosing machine, comprising a box (101), wherein an upper chamber (102) and a lower chamber (103) are arranged inside the box (101), a feed port (104) is arranged at the upper end of the box (101), and support columns (105) are symmetrically arranged at the lower end of the box (101), characterized in that: It also includes a stirring mechanism (200), which is arranged inside the upper chamber (102) and is used to mix the multiple medicines evenly; A filtering mechanism (300), the filtering mechanism (300) being arranged below the stirring mechanism (200) and used for filtering impurities in the medicine; A quantitative mechanism (400) is arranged inside the lower chamber (103) and is used to improve the accuracy of drug addition.

2. The piston-type constant volume dosing machine according to claim 1, characterized in that: The stirring mechanism (200) comprises a stirring shaft (201) rotatably connected to the inner wall of the upper chamber (102); one end of the stirring shaft (201) extends to the outside of the box body (101) and is fixedly connected to the output end of the motor (202); a plurality of stirring rods (203) are fixedly installed on the outside of the stirring shaft (201); reinforcing rods (204) are cross-arranged on the outside of the stirring rods (203); and a discharge port is opened on the bottom wall of the upper chamber (102).

3. The piston type constant volume dosing machine according to claim 1, characterized in that: The filtering mechanism (300) comprises an inclined plate (301) fixedly connected to the inner wall of the box body (101); a groove (302) is provided on the surface of the inclined plate (301); a plurality of springs (303) are fixedly installed inside the groove (302); one end of each of the springs (303) is fixedly connected to a filter plate (304); a slide groove is provided on the inner wall of the box body (101); one end of the filter plate (304) extends to the outside of the box body (101) through the slide groove and is connected to a limit plate; a sealing gasket is provided at a position corresponding to the slide groove of the filter plate (304).

4. The piston type constant volume dosing machine according to claim 1, characterized in that: The quantitative mechanism (400) comprises a plurality of connecting pipes (401), each of which is provided with a one-way valve (402) on its outer side, each of which is connected to a quantitative box (403) at its lower end, each of which is provided with a discharge port (404) at its lower end, and a regulating component is provided on one side of the quantitative box (403).

5. The piston type constant volume dosing machine according to claim 4, characterized in that: The regulating assembly comprises a piston cylinder (405), the output end of the piston cylinder (405) is connected to a slide plate, the slide plate is slidably connected to the quantitative box (403), the end of the piston cylinder (405) is fixedly connected to a cylinder (406), one side of the cylinder (406) is provided with a pneumatic reversing solenoid valve (407), and the input end of the pneumatic reversing solenoid valve (407) extends to the outside of the box body (101) and is connected to an air pump (408).

6. The piston type constant volume dosing machine according to claim 1, characterized in that: A display screen (106) is provided on one side of the box (101), and a PLC controller (107) is provided on one side of the display screen (106).

7. The piston-type constant volume dosing machine according to claim 5, characterized in that: A proximity switch (409) is provided at the end of the cylinder (406).

8. The piston type constant volume dosing machine according to claim 5, characterized in that: The outer side of the output end of the air pump (408) is threadedly connected to a dust cover, and a filter screen is arranged inside the dust cover.

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