Lithium battery slurry stirring device convenient for sampling

Abstract

The utility model discloses a lithium battery slurry stirring device convenient for sampling, which comprises a barrel body used for accommodating slurry; the stirrer is arranged in the barrel body and is used for mixing slurry; the power device is used for driving the stirrer to operate; the sampling opening is formed in the bottom of the barrel body and has an open state and a closed state; when the sampling port is in an open state, the barrel body is communicated with the outside; the detection device is arranged at the sampling port and is used for being linked with the power device according to the state of the sampling port; when the sampling port is in a closed state, the detection device is linked with the power device to start so as to start the stirrer, and when the sampling port is in an open state, the detection device is linked with the power device to close so as to stop the stirrer. The detection device is arranged to be linked with the power device according to the state of the sampling opening, when the sampling opening is in an open state, an operator is reminded, and the stirrer is closed to prevent the cleaning tool from colliding with the stirrer.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to a lithium battery slurry stirring device which is convenient for sampling. Background Art

[0002] At present, lithium battery production lines mostly use mixers to mix powder and liquid materials during the slurry production process. After each batch of mixing is completed, sampling and testing must be carried out. At present, there is only one mechanical valve at the traditional sampling port. After each sampling is completed, there is a risk of semi-finished products leaking if the valve is forgotten to be closed; at the same time, due to the high viscosity of lithium battery slurry and the long interval between batches during the slurrying process, the slurry solution condenses or agglomerates, which is easy to block the valve core of the mechanical valve. Cleaning is required during sampling. During the cleaning process, the cleaning tool is inserted into the mixer barrel, which will interfere with the running stirring device and cause mechanical damage to the stirring shaft. Utility Model Content

[0003] The utility model aims to provide a lithium battery slurry stirring device which is convenient for sampling, so as to solve the problems in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solution: a lithium battery slurry stirring device convenient for sampling, comprising:

[0005] A barrel body having a peripheral wall and a bottom, and used for containing slurry;

[0006] An agitator is disposed in the barrel and is used to mix the slurry;

[0007] A power device, used to drive the agitator to operate;

[0008] A sampling port is arranged at the bottom of the barrel body and has an open state and a closed state; when the sampling port is in the open state, the barrel body is connected to the outside;

[0009] A detection device is arranged at the sampling port, and is used to link the power device according to the state of the sampling port; when the sampling port is in a closed state, the detection device links the power device to open so as to start the agitator, and when the sampling port is in an open state, the detection device links the power device to close, thereby stopping the agitator.

[0010] Several optional methods are also provided below, but they are not intended to be additional limitations on the above-mentioned overall solution, but are merely further supplements or preferences. Under the premise that there are no technical or logical contradictions, each optional method can be combined with the above-mentioned overall solution separately, and multiple optional methods can also be combined.

[0011] Furthermore, the sampling port is located close to the peripheral wall of the barrel.

[0012] Furthermore, the lithium battery slurry stirring device that is convenient for sampling also includes a lifting device for lifting the barrel, and the detection device is a proximity switch.

[0013] Further, the sampling port includes:

[0014] The valve core rotates itself to open or close the sampling port;

[0015] A valve body, in which the valve core is accommodated, having two ends, one end of which is connected to the space of the barrel body, and the other end is connected to the outside;

[0016] The valve core driving part is connected to the valve core and drives the valve core to rotate by rotating itself; the proximity switch is installed on the valve core driving part.

[0017] Furthermore, the valve core driving unit includes:

[0018] The valve stem has two ends, one end of which is fixedly connected to the valve core, and the other end extends outwardly through the bottom projection of the barrel body; the proximity switch is installed between the two ends of the valve stem;

[0019] A handle is fixedly connected to one end of the valve stem projecting through the bottom of the barrel body, and is used to drive the valve stem to move.

[0020] Furthermore, the proximity switch is installed at the valve stem below the barrel body.

[0021] Furthermore, the detection stroke of the proximity switch is 5-10 mm.

[0022] Furthermore, the length of the proximity switch is less than 10 mm.

[0023] Furthermore, the proximity switch is fixed by threaded fixing.

[0024] Furthermore, the thread of the proximity switch is M10-M14.

[0025] The utility model provides a lithium battery slurry stirring device that is convenient for sampling. A detection device is arranged to link a power device according to the state of a sampling port. When the sampling port is in an open state, the detection device sends a signal to remind the operator that the sampling port is in an open state, thereby preventing the operator from forgetting to close the sampling port and causing slurry leakage; at the same time, the detection device links the power device to close, thereby stopping the operation of the stirrer, thereby preventing the cleaning tool from colliding with the stirrer when cleaning the sampling port. When the sampling port changes from an open state to a closed state, the detection device stops sending a signal, and the power device and the stirrer resume normal working states. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic structural diagram of a lithium battery slurry stirring device (barrel body partially omitted) for easy sampling provided in an embodiment of the present application.

[0027] The reference numerals in the figures are described as follows:

[0028] 10. Barrel body; 20. Sampling port; 21. Valve core; 22. Valve body; 23. Valve core drive unit; 231. Valve stem; 232. Handle; 24. Induction bolt; 30. Detection device. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] It should be noted that when a component is referred to as being "connected" to another component, it may be directly connected to the other component or there may be a central component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be a central component at the same time.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0032] like Figure 1 As shown, a lithium battery slurry stirring device for convenient sampling provided by an embodiment of the present application includes a barrel 10 (partially omitted), an agitator (not shown in the figure), a power device (not shown in the figure), a sampling port 20 and a detection device 30. The barrel 10 has a peripheral wall and a bottom, and the internal space is used to accommodate the lithium battery slurry. The agitator is arranged in the barrel 10 for mixing the lithium battery slurry; the power device is used to drive the agitator to operate; the sampling port 20 is arranged at the bottom of the barrel 10, and has an open state and a closed state; when the sampling port 20 is in the open state, the barrel 10 is connected to the outside, and the sampling operation can be performed. The detection device 30 is arranged at the sampling port 20, and is used to link the power device according to the state of the sampling port 20; when the sampling port 20 is in the closed state, the detection device 30 links the power device to open, so as to start the agitator, and when the sampling port 20 is in the open state, the detection device 30 links the power device to close, thereby stopping the agitator.

[0033] The detection device 30 is linked to the power device according to the state of the sampling port 20. When the sampling port 20 is in an open state, the detection device 30 outputs a reminder signal to remind the operator to prevent the operator from forgetting to close the sampling port 20 and causing leakage of lithium battery slurry; at the same time, the detection device 30 is linked to the power device to shut down and stop the agitator to prevent the cleaning tool for cleaning the sampling port 20 from extending into the barrel 10 and interfering with the agitator. The detection device 30 can be selected from a magnetic induction switch, an automatic ball valve, a cylinder ball valve, etc.

[0034] In one embodiment, the sampling port 20 is opened at a position close to the peripheral wall of the barrel body 10. In this way, the sampling port is located at the outer part of the barrel body 10, which is convenient for sampling operation. The lithium battery slurry stirring device for convenient sampling also includes a lifting device (not shown in the figure) for lifting and lowering the barrel body 10, and the detection device 30 is a proximity switch. The barrel body 10 can be lifted and lowered, which is convenient for scraping during cleaning or production. The proximity switch is a position sensor that can be operated without physical contact with moving parts. The detection device 30 uses a proximity switch to detect the status of the sampling port 20 without changing the setting of the original sampling port 20, and the power device is linked. Compared with the magnetic induction switch, the proximity switch is simpler to set up, and compared with the automatic ball valve and the cylinder ball valve, the required installation space is smaller, so it will not affect the operation of the lifting device.

[0035] In one embodiment, the sampling port 20 includes a valve core 21, a valve body 22 and a valve core driving part 23. The valve core 21 rotates itself to open or close the sampling port 20. The valve core 21 is accommodated in the valve body 22. The valve body 22 has two ends, one of which is connected to the space of the barrel body 10, and the other end is connected to the outside. The valve core driving part 23 is connected to the valve core 21, and drives the valve core 21 to rotate by rotating itself; the proximity switch is installed in the valve core driving part 23. The valve core 21 is a spherical valve core. External force acts on the valve core driving part 23, and the movement of the valve core driving part 23 drives the valve core 21 to rotate, changing the state of the sampling port 10. The proximity switch is installed in the valve core driving part 23, and when the valve core driving part 23 moves, the state of the proximity switch is changed.

[0036] The principle of the proximity switch is to output ON and OFF signals according to the distance of the object from the sensor probe. After the proximity switch is fixed, a sensing bolt 24 is set on the valve core drive part 23. When the sensing bolt 24 is rotated to the position of the proximity switch sensing area, the proximity switch outputs an ON signal, indicating that the sampling port 20 is in a closed state; when the sensing bolt 24 is not in the proximity switch sensing area, the proximity switch outputs an OFF signal, indicating that the sampling port 20 is in an open state, sampling or cleaning or the valve core 21 is faulty, and a signal is issued for prompting.

[0037] When the operator opens the valve core 21 and the sampling port is in the open state, the signal of the proximity switch changes from ON to OFF, an alarm is sounded, and the power device driving the agitator is turned off. The agitator stops running, and the operator can perform cleaning operations. The cleaning tools inserted into the barrel will not interfere with the agitator. After the sampling is completed, the operator closes the valve core 21, the proximity switch signal changes from OFF to ON, the alarm signal stops, the power device is turned on again, and the agitator is driven to operate normally. It can effectively prevent the leakage of lithium battery slurry caused by forgetting to close the ball valve.

[0038] The valve core driving part 23 includes a valve stem 231 and a handle 232. The valve stem 231 has two ends, one of which is fixedly connected to the valve core 21, and the other end extends outward through the bottom projection of the barrel body 10 and is exposed to the peripheral wall; the proximity switch is installed between the two ends of the valve stem 231; the handle 232 is fixedly connected to one end of the valve stem 231 that passes through the bottom projection of the barrel body 10, and is used to drive the valve stem 231 to move. The operator rotates the handle 232 to drive the valve stem 231 to move, thereby rotating the valve core 21, which is convenient for the operator to perform sampling operations. The proximity switch is set on the valve stem 231, and the operator will not touch the proximity switch during operation, and the middle part of the valve stem will not be directly stressed, and it is not easy to damage the proximity switch. The proximity switch is installed at the valve stem 231 below the barrel body 10 to prevent foreign objects from colliding with the proximity switch and affecting the sensitivity of the detection of the proximity switch; and to prevent lithium battery slurry from splashing out from the top of the barrel body 10 to corrode the proximity switch.

[0039] In some embodiments, the detection stroke of the proximity switch is 5-10mm and the length is less than 10cm. For example, Delixi CDJ10-I1 A18BP proximity switch. The sum of the detection stroke and length of the proximity switch cannot be too large, otherwise it is too close to the ground and easily damaged. The fixing method of the proximity switch is thread fixing, and the thread is M10~M14, which can fix the proximity switch more firmly.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lithium battery slurry stirring device convenient for sampling, characterized in that: include: A barrel body having a peripheral wall and a bottom, and used for containing slurry; An agitator is disposed in the barrel and is used to mix the slurry; A power device, used to drive the agitator to operate; A sampling port is arranged at the bottom of the barrel body and has an open state and a closed state; when the sampling port is in the open state, the barrel body is connected to the outside; A detection device, arranged at the sampling port, for linking the power device according to the state of the sampling port; When the sampling port is in a closed state, the detection device is linked to the power device to start, so as to start the agitator. When the sampling port is in an open state, the detection device is linked to the power device to close, thereby stopping the agitator.

2. The lithium battery slurry stirring device for easy sampling according to claim 1, characterized in that: The sampling port is opened at a position close to the peripheral wall of the barrel body.

3. The lithium battery slurry stirring device for easy sampling according to claim 2, characterized in that: It also includes a lifting device for lifting the barrel body, and the detection device is a proximity switch.

4. The lithium battery slurry stirring device for easy sampling according to claim 3 is characterized in that: The sampling port comprises: The valve core rotates itself to open or close the sampling port; A valve body, in which the valve core is accommodated, having two ends, one end of which is connected to the space of the barrel body, and the other end is connected to the outside; The valve core driving part is connected to the valve core and drives the valve core to rotate by rotating itself; the proximity switch is installed on the valve core driving part.

5. The lithium battery slurry stirring device for convenient sampling according to claim 4, characterized in that: The valve core driving unit comprises: The valve stem has two ends, one end of which is fixedly connected to the valve core, and the other end extends outwardly through the bottom projection of the barrel body; the proximity switch is installed between the two ends of the valve stem; A handle is fixedly connected to one end of the valve stem projecting through the bottom of the barrel body, and is used to drive the valve stem to move.

6. The lithium battery slurry stirring device for convenient sampling according to claim 5, characterized in that: The proximity switch is installed at the valve stem below the barrel body.

7. The lithium battery slurry stirring device for convenient sampling according to claim 6, characterized in that: The detection stroke of the proximity switch is 5-10 mm.

8. The lithium battery slurry stirring device for convenient sampling according to claim 7, characterized in that: The length of the proximity switch is less than 10 mm.

9. The lithium battery slurry stirring device for convenient sampling according to claim 8, characterized in that: The proximity switch is fixed by thread.

10. The lithium battery slurry stirring device for convenient sampling according to claim 8, characterized in that: The thread of the proximity switch is M10-M14.

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