Automatic dosing machine

Abstract

The utility model relates to the technical field of water treatment, in particular to an automatic dosing machine which is characterized in that a dosing tank is fixedly mounted on a base, one end of the dosing tank is provided with a dosing port, one end, far away from the dosing port, of the dosing tank is provided with a dosing pipe, an inner tank is fixedly mounted in the dosing tank, the bottom of the inner tank is provided with an electromagnetic valve, and a fixing rod is fixedly mounted in the dosing tank. The limiting block is fixedly installed on the fixing rod, the movable pressing plates are slidably installed on the fixing rod through the pushing assembly, the stirring assembly is installed on the inner tank, and after the stirring assembly stirs mixed medicine liquid, the pushing assembly pushes the movable pressing plates on the two sides to repeatedly and oppositely extrude the mixed medicine liquid, so that the fixed medicine which is not completely dissolved is extruded and smashed; therefore, the phenomenon that the medicine outlet pipe is blocked is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to an automatic dosing machine. Background Art

[0002] Fully automatic dosing machines are mainly used in power engineering, crude oil, chemical plants, steel industry, environmental protection engineering, sewage treatment and other industries. In the process of sewage treatment, solid and liquid drugs are generally mixed to form a mixed liquid, and then the mixed liquid is input into the wastewater treatment system for wastewater treatment.

[0003] During the use of the existing dosing machine, in order to prevent the solid granular drugs that are not fully dissolved or mixed from being discharged along the drug discharge pipe, a filter is generally installed at the port of the drug discharge pipe. However, the filter at the port of the drug discharge pipe is prone to clogging after long-term use, affecting the discharge of the drug solution. Utility Model Content

[0004] The utility model aims to provide an automatic dosing machine, which solves the problem that in the use of the existing dosing machine, in order to prevent the solid granular medicine that is not fully dissolved or mixed from being discharged along the medicine discharge pipe, the port of the medicine discharge pipe is generally equipped with a filter screen, but the filter screen at the port of the medicine discharge pipe is prone to clogging after long-term use, thereby affecting the discharge of the medicine liquid.

[0005] To achieve the above-mentioned purpose, the utility model provides an automatic dosing machine, including a base, a dosing tank and an inner tank, the dosing tank is fixedly installed on the base, one end of the dosing tank is provided with a dosing port, the end of the dosing tank away from the dosing port is provided with a drug outlet pipe, the inner tank is fixedly installed in the dosing tank, the bottom of the inner tank is provided with an electromagnetic valve, and also includes a dosing device, the dosing device includes a movable pressure plate, a fixed rod, a limit block, a pushing assembly and a stirring assembly, the fixed rod is fixedly installed in the dosing tank, the limit block is fixedly installed on the fixed rod, the movable pressure plate is slidably installed on the fixed rod through the pushing assembly, and the stirring assembly is installed on the inner tank.

[0006] Wherein, the pushing assembly includes a first motor, a cam, a spring and a supporting member, the spring is sleeved on the fixed rod and is located between the limit block and the movable pressure plate; the first motor is installed in the dosing tank through the supporting member; the cam is fixedly installed on the output shaft of the first motor and is in contact with the movable pressure plate.

[0007] Wherein, the supporting member comprises a load-bearing rod and a mounting plate, the load-bearing rod is fixedly mounted in the dosing tank; the mounting plate is fixedly mounted on the load-bearing rod, and the first motor is fixedly mounted on the mounting plate.

[0008] Among them, the stirring assembly includes a second motor, a main rod and a support rod, the second motor is fixedly mounted on the outside of the dosing tank; the main rod is fixedly mounted on the output shaft of the second motor, passes through the dosing tank, and extends into the inner tank; the support rod is fixedly mounted on the main rod.

[0009] Wherein, the stirring assembly further comprises a brush rod and a brush, wherein the brush rod is fixedly mounted on the support rod; and the brush is fixedly mounted on the brush rod.

[0010] The utility model discloses an automatic dosing machine. When in use, a mixed liquid medicine consisting of solid medicine and liquid medicine is injected into the inner tank through the dosing port, and then the second motor is started to drive the main rod to rotate, and the main rod drives the support rod to rotate. The mixed liquid medicine is stirred by the rotation of the support rod. After the stirring is completed, the solenoid valve is opened to allow the mixed liquid medicine in the inner tank to flow into the bottom of the dosing tank. At the same time, the first motor is started to drive the cam to rotate. The cam pushes the movable pressure plates on both sides to move toward the middle at the same time through its own geometric shape. At this time, the spring is compressed by pressure. With the squeezing of the movable pressure plate, the solid medicine that is not completely dissolved in the mixed liquid medicine is crushed. Then, the spring pushes the movable pressure plates on both sides to reset under the action of its own elastic force. Therefore, through the repeated pushing of the cam and the spring, the movable pressure plate can repeatedly squeeze and crush the solid medicine, thereby avoiding the blockage of the medicine outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is a schematic diagram of the overall structure of an automatic dosing machine according to the first embodiment of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the dosing device of the first embodiment of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the pushing assembly of the first embodiment of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the supporting component of the first embodiment of the utility model.

[0016] Figure 5 It is a schematic diagram of the overall structure of an automatic dosing machine according to the second embodiment of the utility model.

[0017] In the figure: 101-base, 102-dosing tank, 103-inner tank, 104-dosing port, 105-drug outlet pipe, 106-solenoid valve, 107-movable pressure plate, 108-fixed rod, 109-limiting block, 110-first motor, 111-cam, 112-spring, 113-load-bearing rod, 114-mounting plate, 115-second motor, 116-main rod, 117-support rod, 201-brush rod, 202-brush. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1-4 , Figure 1 This is a schematic diagram of the overall structure of an automatic dosing machine according to the first embodiment of the utility model. Figure 2 This is a schematic diagram of the structure of the dosing device of the first embodiment of the utility model. Figure 3 This is a schematic diagram of the structure of the push assembly of the first embodiment of the utility model. Figure 4 It is a structural schematic diagram of the supporting component of the first embodiment of the utility model.

[0021] The utility model provides an automatic dosing machine: comprising a base 101, a dosing tank 102 and an inner tank 103, and also comprising a dosing device, wherein the dosing device comprises a movable pressure plate 107, a fixing rod 108, a limiting block 109, a pushing assembly and a stirring assembly, wherein the pushing assembly comprises a first motor 110, a cam 111, a spring 112 and a supporting member, wherein the supporting member comprises a load-bearing rod 113 and a mounting plate 114, and the stirring assembly comprises a second motor 115, a main rod 116 and a supporting rod 117. The above-mentioned scheme solves the problem that during use of the existing dosing machine, in order to prevent the solid granular drugs that are not fully dissolved or mixed from being discharged along the drug discharge pipe, the port of the drug discharge pipe is generally equipped with a filter screen, but the filter screen at the port of the drug discharge pipe is prone to clogging after long-term use, thereby affecting the discharge of the drug solution. It can be understood that the present scheme can also be used to solve the problem that the drug solution residue is prone to adhere to the inner wall of the inner tank.

[0022] In this embodiment, the push assembly pushes the movable pressing plates 107 on both sides to repeatedly press each other, so that the fixed medicine that is not completely dissolved is squeezed and crushed, thereby avoiding the blockage of the medicine outlet pipe 105.

[0023] The fixing rod 108 is fixedly installed in the dosing tank 102, the limit block 109 is fixedly installed on the fixing rod 108, the movable pressure plate 107 is slidably installed on the fixing rod 108 through the pushing assembly, the stirring assembly is installed on the inner tank 103, the two ends of the inner tank 103 are mutually connected, the bottom end of the inner tank 103 is conical, the number of the fixing rods 108 is four, two of them are a group, and they are symmetrically distributed on both sides of the dosing tank 102, each group of the fixing rods 108 is slidably connected to one movable pressure plate 107, the The movable pressure plate 107 is located between the upper and lower fixed rods 108. The side of the movable pressure plate 107 that is close to each other is a trapezoidal structure. A limit block 109 is provided at the end of each fixed rod 108. The limit block 109 is disc-shaped. There are two groups of pushing components, which are symmetrically distributed on both sides of the dosing tank 102. After the stirring component completes stirring the mixed drug solution, the pushing component pushes the movable pressure plates 107 on both sides to repeatedly squeeze each other, so that the fixed drugs that are not completely dissolved are squeezed and crushed, thereby avoiding the blockage of the drug outlet pipe 105.

[0024] Secondly, the spring 112 is sleeved on the fixed rod 108 and is located between the limit block 109 and the movable pressure plate 107; the first motor 110 is installed in the dosing tank 102 through the supporting member; the cam 111 is fixedly installed on the output shaft of the first motor 110 and contacts the movable pressure plate 107. There are four springs 112, and each of the fixed ones is sleeved with a spring 112. The cam 111 is welded on the output shaft of the first motor 110. The first motor 110 drives the cam 111 to rotate. The cam 111 pushes the movable pressure plate 107 to move through its own geometric shape. At the same time, the spring 112 can push the movable pressure plate 107 to reset, so that under the cooperation of the cam 111 and the spring 112, the movable pressure plates 107 on both sides can move repeatedly.

[0025] Again, the load-bearing rod 113 is fixedly installed in the dosing tank 102; the mounting plate 114 is fixedly installed on the load-bearing rod 113, the first motor 110 is fixedly installed on the mounting plate 114, the load-bearing rod 113 is welded to the inner wall of the dosing tank 102, the axis of the load-bearing rod 113 is perpendicular to the axis of the dosing tank 102, the mounting plate 114 is a disc-shaped structure, the first motor 110 is fixed to the mounting plate 114 by screws, and the cooperation between the load-bearing rod 113 and the mounting plate 114 achieves a supporting effect on the first motor 110.

[0026] Finally, the second motor 115 is fixedly mounted on the outside of the dosing tank 102; the main rod 116 is fixedly mounted on the output shaft of the second motor 115, and penetrates the dosing tank 102 and extends into the inner tank 103; the support rod 117 is fixedly mounted on the main rod 116, and the second motor 115 is fixed to the top of the dosing tank 102 by screws. A bearing is also provided between the main rod 116 and the dosing tank 102. There are four groups of support rods 117, and the four groups of support rods 117 are distributed in a ring around the axis of the main rod 116. At the same time, there are three support rods 117 in each group. The main rod 116 and the support rod 117 are driven to rotate by the second motor 115, so that the mixed liquid can be evenly mixed.

[0027] In this embodiment, when in use, a mixed liquid medicine consisting of solid medicine and liquid medicine is injected into the inner tank 103 through the medicine adding port 104, and then the second motor 115 is started to drive the main rod 116 to rotate, and the main rod 116 drives the support rod 117 to rotate. The mixed liquid medicine is stirred by the rotation of the support rod 117. After the stirring is completed, the solenoid valve 106 is opened to allow the mixed liquid medicine in the inner tank 103 to flow into the bottom of the medicine adding tank 102, and at the same time, the first motor 110 is started to drive the cam 111 to rotate, and the cam 111 The movable pressure plates 107 on both sides are pushed to move toward the middle at the same time by their own geometric shape. At this time, the spring 112 is compressed by pressure. With the squeezing of the movable pressure plate 107, the solid medicine that is not completely dissolved in the mixed medicine solution is crushed. Then, the spring 112 pushes the movable pressure plates 107 on both sides to return to their original positions under the action of its own elastic force. Therefore, through the repeated pushing of the cam 111 and the spring 112, the movable pressure plate 107 can repeatedly squeeze and crush the solid medicine, thereby avoiding the blockage of the medicine outlet pipe 105.

[0028] The second embodiment of the present application is:

[0029] See also Figure 5 ,in Figure 5 2 is a schematic diagram of the overall structure of an automatic dosing machine according to the second embodiment of the utility model. On the basis of the first embodiment, the automatic dosing machine according to this embodiment further includes a brush rod 201 and a brush 202 .

[0030] In this embodiment, the brush rod 201 and the brush 202 cooperate with each other to prevent the residual medicine from adhering to the inner wall of the inner tank 103 .

[0031] Among them, the brush rod 201 is fixedly installed on the support rod 117; the brush 202 is fixedly installed on the brush rod 201, the shape of the brush rod 201 is adapted to the shape of the inner wall of the inner tank 103, the number of the brushes 202 is multiple groups, and they are glued to the brush rod 201. When the support rod 117 rotates, the support rod 117 drives the brush rod 201 to rotate around the axis of the inner tank 103, and the rotation of the brush rod 201 drives the brush 202 to continuously brush the inner wall of the inner tank 103, thereby avoiding the adhesion of liquid medicine residue to the inner wall of the inner tank 103.

[0032] In this embodiment, when the support rod 117 rotates, the support rod 117 drives the brush rod 201 to rotate around the axis of the inner tank 103. The rotation of the brush rod 201 drives the brush 202 to continuously brush the inner wall of the inner tank 103, thereby preventing the drug liquid residue from adhering to the inner wall of the inner tank 103.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An automatic dosing machine, comprising a base, a dosing tank and an inner tank, wherein the dosing tank is fixedly mounted on the base, one end of the dosing tank is provided with a dosing port, an end of the dosing tank away from the dosing port is provided with a drug outlet pipe, the inner tank is fixedly mounted in the dosing tank, and a solenoid valve is provided at the bottom of the inner tank, characterized in that: Also includes a dosing device; The dosing device includes a movable pressure plate, a fixed rod, a limit block, a pushing assembly and a stirring assembly. The fixed rod is fixedly installed in the dosing tank, the limit block is fixedly installed on the fixed rod, the movable pressure plate is slidably installed on the fixed rod through the pushing assembly, and the stirring assembly is installed on the inner tank.

2. The automatic dosing machine according to claim 1, characterized in that: The pushing assembly includes a first motor, a cam, a spring and a supporting member. The spring is sleeved on the fixed rod and is located between the limit block and the movable pressure plate. The first motor is installed in the dosing tank through the supporting member. The cam is fixedly installed on the output shaft of the first motor and contacts the movable pressure plate.

3. The automatic dosing machine as claimed in claim 2, characterized in that: The supporting member comprises a load-bearing rod and a mounting plate. The load-bearing rod is fixedly mounted in the dosing tank. The mounting plate is fixedly mounted on the load-bearing rod. The first motor is fixedly mounted on the mounting plate.

4. The automatic dosing machine according to claim 1, characterized in that: The stirring assembly includes a second motor, a main rod and a support rod. The second motor is fixedly mounted on the outside of the dosing tank; the main rod is fixedly mounted on the output shaft of the second motor, passes through the dosing tank, and extends into the inner tank; the support rod is fixedly mounted on the main rod.

5. The automatic dosing machine as claimed in claim 4, characterized in that: The stirring assembly also includes a brush rod and a brush. The brush rod is fixedly mounted on the support rod; the brush is fixedly mounted on the brush rod.

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