CN210458420U - Automatic medicine feeding electric trolley - Google Patents
Automatic medicine feeding electric trolley Download PDFInfo
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- CN210458420U CN210458420U CN201921133820.2U CN201921133820U CN210458420U CN 210458420 U CN210458420 U CN 210458420U CN 201921133820 U CN201921133820 U CN 201921133820U CN 210458420 U CN210458420 U CN 210458420U
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Abstract
The utility model relates to the technical field of quantitative sulfuric acid addition in the production line of the electroplating industry, in particular to an automatic chemical adding electric trolley, which comprises an electric trolley and a metering pump; a lifting motor is installed on a trolley frame of the electric trolley, the lifting motor is connected with a lead screw, the lead screw is in threaded connection with a lifting frame, a metering pump is installed on the lifting frame, the trolley frame is provided with a lifting slide rail, and the lifting frame rail is connected to the lifting slide rail of the trolley frame; the automatic medicine feeding trolley solves the existing problems and has the characteristics of automatic metering, automatic medicine feeding, automatic electric power running and the like.
Description
Technical Field
The utility model relates to a technical field of sulphuric acid is added to electroplating industry production line ration especially relates to automatic reagent feeding electric handcart.
Background
In the electroplating industry, the problems of inaccurate measurement, poor safety and low production rate often occur when the sulfuric acid is quantitatively added in a plating production line. The sulfuric acid addition in the prior production process mainly depends on manual pouring of sulfuric acid into a beaker for metering and then adding the sulfuric acid into a liquid storage tank, and the operation process has high safety risk, poor metering accuracy and low efficiency.
Disclosure of Invention
The utility model discloses an aim at provides automatic reagent feeding electric handcart to prior art not enough, has characteristics such as automatic measurement, automatic reagent feeding, electric power are automatic to be gone.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the automatic dosing electric trolley comprises an electric trolley and a metering pump; a lifting motor is installed on a trolley frame of the electric trolley, the lifting motor is connected with a lead screw, the lead screw is in threaded connection with a lifting frame, a metering pump is installed on the lifting frame, the trolley frame is provided with a lifting slide rail, and the lifting frame rail is connected to the lifting slide rail of the trolley frame;
the electric trolley is provided with a rotary folding lifting support capable of rotating by 360 degrees, the outlet of the metering pump is connected with a liquid outlet hose, the liquid outlet hose is connected with a dosing pipe, the dosing pipe is provided with an electromagnetic valve, the dosing pipe is fixedly arranged on the rotary folding lifting support, and the dosing pipe is provided with a liquid injection port baffle;
the electric trolley is provided with a liquid medicine storage barrel which is positioned right below the metering pump; the inlet of the metering pump is connected with a lower liquid pumping pipe, the lower liquid pumping pipe is provided with a bottom valve, and the lower liquid pumping pipe and the bottom valve extend into the liquid medicine storage barrel;
the electric trolley is characterized in that an electric cabinet is installed on a trolley frame of the electric trolley, and a storage battery and an inverter are installed on the lower layer of the trolley frame; the storage battery is electrically connected with the inverter, and the inverter is electrically connected with the electric control box and the metering pump.
And a damping rubber is arranged between the metering pump and the lifting frame.
And a pressure sensor is arranged at the outlet position of the metering pump.
The electric cabinet is provided with an emergency stop switch.
The utility model discloses beneficial effect does: automatic add medicine electric handcart solves current problem through designing an automatic reagent feeding handcart, has characteristics such as automatic measurement, automatic reagent feeding, electric power automatic travel.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a plan view of the present invention.
The reference numbers in the figures are: 1-electric trolley, 2-electric cabinet, 3-metering pump, 4-shock-absorbing glue, 5-lifting frame, 8-liquid outlet hose, 9-rotary folding bracket, 10-electromagnetic valve, 11-dosing pipe, 12-liquid medicine storage barrel, 13-lower liquid suction pipe, 14-storage battery, 15-inverter, 16-liquid injection port baffle, 17-bottom valve, 18-lifting slide rail, 19-screw rod, 20-lifting motor and 21-pressure sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the automatic medicine feeding electric trolley of the present invention comprises an electric trolley 1 and a metering pump 3; a lifting motor 20 is installed on a trolley frame of the electric trolley 1, the lifting motor 20 is connected with a screw rod 19, the screw rod 19 is in threaded connection with a lifting frame 5, a metering pump 3 is installed on the lifting frame 5, the trolley frame is provided with a lifting slide rail 18, and the lifting frame 5 is in rail connection with the lifting slide rail 18 of the trolley frame; the electric trolley 1 is provided with a rotary folding lifting support 9 capable of rotating 360 degrees, the outlet of the metering pump 3 is connected with a liquid outlet hose 8, the liquid outlet hose 8 is connected with a dosing pipe 11, the dosing pipe 11 is provided with an electromagnetic valve 10, the dosing pipe 11 is fixedly arranged on the rotary folding lifting support 9, and the dosing pipe 11 is provided with a liquid injection port baffle 16; the electric trolley 1 is provided with a liquid medicine storage barrel 12, and the liquid medicine storage barrel 12 is positioned right below the metering pump 3; the inlet of the metering pump 3 is connected with a lower liquid pumping pipe 13, the lower liquid pumping pipe 13 is provided with a bottom valve 17, and the lower liquid pumping pipe 13 and the bottom valve 17 extend into the liquid medicine storage barrel 12; the electric control box 2 is installed on a trolley frame of the electric trolley 1, and the storage battery 14 and the inverter 15 are installed on the lower layer of the trolley frame; the storage battery 14 is electrically connected with the inverter 15, and the inverter 15 is electrically connected with the electric control box 2 and the metering pump 3. Furthermore, a damping rubber 4 is arranged between the metering pump 3 and the lifting frame 5, so that the damping protection effect is achieved.
Automatic add medicine electric trolley has following characteristics:
firstly, the whole medicine adding system is arranged on one electric trolley 1, so that the labor intensity of an operator can be reduced. The electric handcart 1 is driven by a self-contained battery, runs by electric power, has the functions of advancing, retreating, speed regulation, sudden stop, automatic braking stop, steering and the like, and can be repeatedly charged and used.
Secondly, the metering pump 3 of the core equipment of the metering system is arranged on a trolley frame, the metering pump 3 can be driven by a motor to lift up and down, when the liquid storage barrel 12 of the liquid medicine is replaced, the metering pump 3 can be electrically lifted, then the empty barrel is taken out, the full barrel is put in, and the metering pump 3 is lowered to start working. The metering pump 3 is arranged on the lifting frame 5, and the lifting frame 5 drives the screw rod 19 to rotate by the motor to realize the lifting of the lifting frame 5. This avoids contact with sulfuric acid when the liquid withdrawal pipe 13 at the bottom is withdrawn by hand.
And thirdly, the electric cabinet 2 is arranged on the cart frame, and the storage battery 14 and the inverter 15 are arranged on the lower layer of the cart frame. The liquid medicine storage barrel 12 is arranged right below the metering pump 3 so as to be convenient to replace.
Fourthly, the outer side of the electric trolley 1 is provided with a rotary folding lifting support 9 which can rotate by 360 degrees, the head part of the turning folding lifting support is provided with a medicine feeding pipe 11 and an electromagnetic valve 10, the medicine feeding pipe 11 is fixed on the turning folding lifting support, the position height of the medicine feeding head can be adjusted at will when medicine is fed, the medicine feeding pipe 11 is stabilized when medicine is fed, and the medicine feeding pipe 11 is recovered conveniently after the medicine feeding is finished. The end part of the medicine adding pipe 11 is provided with a circular baffle of the liquid injection port, the depth of the liquid injection port extending into the groove of the liquid medicine storage barrel 12 can be positioned, and the liquid injection port is prevented from being inserted below the liquid level. Simultaneously, the splashing of sulfuric acid during dosing can be prevented.
Fifthly, the automatic medicine-feeding electric trolley can carry two barrels of liquid medicine each time.
The principle of the automatic medicine adding electric manual operation is described as follows:
firstly, the metering pump 3 is driven by the power supply of the storage battery 14, and an external power supply is not needed, so that the metering pump can work at any time during moving. The metering pump 3 is a diaphragm type metering pump 3, the flow rate of the diaphragm type metering pump 3 is 0-5L/min, the power is 250W, the voltage is single-phase 220V, and the metering error is within 5%. The storage battery 14 is a lead-acid battery pack with high safety, the battery capacity is 100AH, the voltage is direct current 12V, and the inverter 15 is adopted to convert the battery capacity into 220V alternating current to specially supply power to the metering pump 3 and the electric cabinet 2. After the charging is completed, the dosing system can continuously work for 3-4 hours. The electric cart 1 has its own battery, and the battery 14 is not required to supply power.
And secondly, when adding the medicine, the electric trolley 1 is driven to the position near the medicine adding opening, the support provided with the medicine adding pipe 11 is lifted and adjusted to the medicine adding opening, and the medicine adding pipe 11 is aligned and stretched into the medicine adding opening to prevent the medicine liquid from leaking.
And then starting the metering pump 3 to start quantitative solution filling, wherein before starting the metering pump 3, the system firstly opens the electromagnetic valve 10 at the head of the dosing pipe 11, and after dosing is finished, the system automatically closes the electromagnetic valve 10 to prevent the solution from dropping to the ground from the dosing pipe 11 when the dosing pipe is recovered. And after the dosing is finished, the folding bracket is recovered, and the trolley is moved to the next station for continuous dosing.
Thirdly, measuring accuracy:
in order to ensure the metering accuracy and reduce the metering inaccuracy caused by residual air in the pipe, the liquid suction pipe 13 of the metering pump 3 must be provided with a bottom valve 17, the bottom valve 17 is a one-way valve containing a filter, so that when the metering pump 3 stops working after the last dosing is finished, the liquid in the liquid suction pipe 13 is full of liquid and air is not contained, and the repeated working precision of the metering pump 3 can be ensured when the metering pump 3 is restarted next time.
Fourthly, safety:
all the dosing pipes 11 are made of PVDF hoses, joints are connected by welding or flanges, the pressure resistance of the hoses is greater than the maximum pressure of the metering pump 3, and the service life of the hoses is 2 years. The power supply battery pack of the dosing system adopts a safe and stable lead-acid battery pack, and the service life of the lead-acid battery pack is more than 2 years. The contact part of the metering pump 3 and the liquid medicine is made of PVDF material. The water receiving basin is laid on the whole vehicle to prevent full leakage, and the water receiving basin is made of PP materials. An emergency stop switch is arranged on the electric control box 2 of the dosing system.
And (3) pressure control, the maximum backpressure of a metering pump 3 selected by the equipment is 4bar, and the pressure resistance of all pipe fittings and hoses selected by the equipment reaches 16bar, so that the maximum pressure requirement is met. In addition, when the metering pump 3 works, the electromagnetic valve 10 at the dosing port is ensured to be opened first through electric appliance interlocking, the metering pump 3 works, and the metering pump 3 is ensured not to work under the maximum back pressure. In addition, a pressure sensor 21 is arranged at the outlet of the metering pump 3, and when the pressure in the pipeline exceeds 0.1MPa, the metering pump 3 automatically stops working.
All parts in contact with sulfuric acid are made of PVDF materials and comprise a pump body of the metering pump 3, a liquid outlet hose 8 and an electromagnetic valve 10. When the use temperature is not higher than 65 ℃, the paint can resist concentrated sulfuric acid with the concentration of 98 percent. The electric hand truck 1 is driven at a speed of up to 5 hours/hour.
With regard to the possibility of rollover when the tire of the electric cart 1 is punctured, it is demonstrated that the maximum inclination angle of the electric cart 1 is 4 degrees when the tire of one side is punctured. The vehicle cannot be overturned due to the slow speed. With respect to the possibility of using solid tires, a single piece order cannot find a supplier because the bottom drive chassis of the cart is a standard.
Emptying of the bottom valve 17 of the metering pump 3: because the metering pump 3 is provided with the bottom valve 17, the lower liquid pumping pipe 13 of the metering pump 3 is always filled with liquid and cannot be discharged when in work, and the bottom valve 17 needs to be opened to empty the liquid in the lower liquid pumping pipe 13 when in maintenance, so as to ensure that no liquid flows out when a liquid storage barrel is replaced or the maintenance is carried out.
The general bottom valve 17 is a one-way ball valve which can only enter but not exit, and the outlet is blocked by the self weight of a valve core when the pump is stopped. The liquid can be discharged only by lifting the valve core open to discharge the liquid. Therefore, a controllable one-way bottom valve 17 is specially made to allow the liquid to be discharged, and the following figure is a schematic view of the controllable bottom valve 17. A lever type ejector rod is additionally arranged at the bottom of the bottom valve 17, one end of the ejector rod is fixed by a hinge shaft so as to swing, the ejector rod is protruded in the middle, and a circular ring with a hole is arranged at the other end of the ejector rod and can be tied with a pull rope. When the bottom valve 17 needs to be emptied, the pulling rope is pulled upwards to enable the ejector rod to swing upwards, and the central valve body of the bottom valve 17 is jacked open, so that the bottom valve 17 is emptied.
The lower liquid pumping pipe 13 adopts a hard semitransparent PVDF pipe, and whether the liquid in the pipe is emptied or not can be observed by naked eyes.
After the metering pump 3 extracts the sulfuric acid, during maintenance, after the sulfuric acid in the lower liquid extraction pipe 13 is emptied, a large amount of clean water can be used for washing, or the metering pump 3 is started to extract a large amount of clean water to clean the inside of the metering pump 3. When the water receiving tray at the bottom of the electric trolley 1 is cleaned, a large amount of clear water can be used for washing.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (4)
1. Automatic medicine electric trolley adds, its characterized in that: the device comprises an electric trolley (1) and a metering pump (3); a lifting motor (20) is installed on a trolley frame of the electric trolley (1), the lifting motor (20) is connected with a lead screw (19), the lead screw (19) is in threaded connection with a lifting frame (5), a metering pump (3) is installed on the lifting frame (5), the trolley frame is provided with a lifting slide rail (18), and the lifting frame (5) is connected with the lifting slide rail (18) of the trolley frame in a rail connection mode;
the electric trolley (1) is provided with a rotary folding lifting support (9) capable of rotating 360 degrees, the outlet of the metering pump (3) is connected with a liquid outlet hose (8), the liquid outlet hose (8) is connected with a dosing pipe (11), the dosing pipe (11) is provided with an electromagnetic valve (10), the dosing pipe (11) is fixedly arranged on the rotary folding lifting support (9), and the dosing pipe (11) is provided with a liquid injection port baffle plate (16);
the electric trolley (1) is provided with a liquid medicine storage barrel (12), and the liquid medicine storage barrel (12) is positioned under the metering pump (3); an inlet of the metering pump (3) is connected with a lower liquid pumping pipe (13), the lower liquid pumping pipe (13) is provided with a bottom valve (17), and the lower liquid pumping pipe (13) and the bottom valve (17) extend into the liquid medicine storage barrel (12);
an electric cabinet (2) is installed on a trolley frame of the electric trolley (1), and a storage battery (14) and an inverter (15) are installed on the lower layer of the trolley frame; the storage battery (14) is electrically connected with the inverter (15), and the inverter (15) is electrically connected with the electric control box (2) and the metering pump (3).
2. The auto-medicating electric cart according to claim 1, wherein: and a damping rubber (4) is arranged between the metering pump (3) and the lifting frame (5).
3. The auto-medicating electric cart according to claim 2, wherein: and a pressure sensor (21) is arranged at the outlet of the metering pump (3).
4. The auto-medicating electric cart of claim 3, wherein: the electric cabinet (2) is provided with an emergency stop switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133820.2U CN210458420U (en) | 2019-07-19 | 2019-07-19 | Automatic medicine feeding electric trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133820.2U CN210458420U (en) | 2019-07-19 | 2019-07-19 | Automatic medicine feeding electric trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210458420U true CN210458420U (en) | 2020-05-05 |
Family
ID=70446209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133820.2U Active CN210458420U (en) | 2019-07-19 | 2019-07-19 | Automatic medicine feeding electric trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210458420U (en) |
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2019
- 2019-07-19 CN CN201921133820.2U patent/CN210458420U/en active Active
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