Online laser monitoring device for granularity of negative electrode material

Abstract

The utility model discloses a cathode material granularity on-line laser monitoring device which comprises a bottom plate and a protective cover, the protective cover covers the top of the bottom plate, the top of the bottom plate is provided with a sliding groove, three threaded hole blocks are installed in the sliding groove in a sliding mode, a threaded rod is rotatably installed in the sliding groove, and lasers are fixedly installed at the tops of the three threaded hole blocks. A middle pipe is fixedly mounted at the top of the bottom plate, and a rotating rod is fixedly mounted on one side of the middle pipe; according to the laser monitoring device, the threaded rod is driven to rotate by rotating the hand rotating handle, so that the positions of the three lasers are adjusted, the appropriate lasers are aligned to one end of the middle pipe, then the corresponding mounting cylinders are aligned to the other end of the middle pipe by rotating the shifting wheel, the lasers with different powers can be replaced conveniently, replacement is simple, time and labor are saved, and the laser monitoring device is high in practicability. In addition, beam expanders and Fourier mirrors with different focal lengths can be conveniently replaced according to material components, the replacement time is short, and the monitoring efficiency of the material granularity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material particle size monitoring, in particular to an online laser monitoring device for negative electrode material particle size. Background Art

[0002] Negative electrode materials are an important component of lithium batteries. During the production and processing of negative electrode materials, the raw materials need to be crushed and ground into powder. During the processing of the electrode, the raw materials need to be sintered into blocks first, impurities and moisture need to be removed, and then the graphite blocks need to be broken into small pieces using a crusher, and then ground into powder and finally formed. In the process of grinding into powder, it is very critical to keep track of the particle size distribution information of the powder particles at any time for product quality control.

[0003] The current monitoring method is usually to use a laser particle size analyzer for monitoring. However, when the laser particle size analyzer monitors different material particle sizes, it is necessary to adjust the intensity of the laser and replace lasers of different powers. The replacement is inconvenient, time-consuming and labor-intensive. In addition, it is necessary to replace beam expanders and Fourier mirrors with different focal lengths according to the material composition. The replacement time is long, which affects the monitoring efficiency of the material particle size. Utility Model Content

[0004] The purpose of the utility model is to provide an online laser monitoring device for the particle size of negative electrode materials to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an online laser monitoring device for the particle size of negative electrode materials, comprising a bottom plate and a protective cover, the protective cover is arranged on the top of the bottom plate, a slide groove is opened on the top of the bottom plate, three threaded hole blocks are slidably installed inside the slide groove, a threaded rod is rotatably installed inside the slide groove, lasers are fixedly installed on the tops of the three threaded hole blocks, an intermediate tube is fixedly installed on the top of the bottom plate, a rotating rod is fixedly installed on one side of the intermediate tube, and a sleeve is rotatably installed on the outer side of the rotating rod, and the outer side of the sleeve is fixedly installed Six connecting rods are installed, and one end of the six connecting rods away from the sleeve is fixedly installed with a mounting tube, a dial is fixedly installed on the outside of the mounting tube, a beam expander is fixedly installed on one side of the inside of the mounting tube, a Fourier mirror is fixedly installed on the other end of the inside of the mounting tube, a sample box is fixedly installed on the top of the base plate, both ends of the sample box are connected with connecting pipes, a detector is fixedly installed on one side of the top of the base plate, one side of the detector is fixedly connected with a junction box, a display screen is fixedly installed on the top of the protective cover, and a rectangular groove is opened on the top of the base plate.

[0006] Preferably, the three threaded hole blocks are threadedly connected to the outside of the threaded rod, and one end of the threaded rod passes through the bottom plate and is fixedly mounted with a hand handle, and the intermediate tube is located between the laser and the mounting tube.

[0007] Preferably, the focal lengths of the beam expanders at one end of the six mounting tubes are different, and the focal lengths of the Fourier mirrors at the other end of the six mounting tubes are different.

[0008] Preferably, six identification grooves are provided on the surface of the thumbwheel, and the positions of the six identification grooves respectively correspond to the positions of the six mounting tubes, a positioning pointer is fixedly mounted on the top of the protective cover, and the thumbwheel is located on the inner side of the rectangular groove.

[0009] Preferably, an observation window is provided on the top of the protective cover, and the position of the observation window corresponds to the positions of the three lasers.

[0010] Preferably, the output end of the junction box is connected to the input end of the display screen through a wire.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the laser monitoring device drives the threaded rod to rotate by rotating the hand-turned handle, thereby adjusting the positions of the three lasers, aligning the appropriate laser with one end of the middle tube, and then aligning the corresponding mounting tube with the other end of the middle tube by rotating the dial wheel, so as to facilitate the replacement of lasers of different powers, which is simple, time-saving and labor-saving. In addition, it is convenient to replace beam expanders and Fourier mirrors of different focal lengths according to the material composition, replace the time end, and improve the monitoring efficiency of the material particle size;

[0012] In addition, the development presented by the detector can be transmitted to the display screen through the junction box and can be displayed on the display screen, which is convenient for monitoring personnel to observe and improve the use effect of the device. It can obtain continuous particle size distribution information in real time, improve product continuity, and achieve product quality control. According to the particle size distribution information, the production process can be adjusted in time to minimize grinding power consumption. At the same time, remote operation can be achieved, which is convenient for establishing automated production control. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the utility model.

[0015] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0016] Figure 4 It is a partial rear view structural schematic diagram of the utility model.

[0017] In the figure: 1. Base plate; 2. Protective cover; 3. Dial wheel; 4. Marking groove; 5. Positioning pointer; 6. Display screen; 7. Connecting pipe; 8. Rectangular groove; 9. Observation window; 10. Laser; 11. Handle; 12. Detector; 13. Junction box; 14. Sample box; 15. Mounting tube; 16. Threaded rod; 17. Threaded hole block; 18. Slide groove; 19. Intermediate tube; 20. Beam expander; 21. Fourier mirror; 22. Sleeve; 23. Connecting rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: an online laser monitoring device for the particle size of negative electrode materials, comprising a bottom plate 1 and a protective cover 2, the protective cover 2 is arranged on the top of the bottom plate 1, a slide groove 18 is opened on the top of the bottom plate 1, three threaded hole blocks 17 are slidably installed inside the slide groove 18, a threaded rod 16 is rotatably installed inside the slide groove 18, the three threaded hole blocks 17 are threadedly connected to the outside of the threaded rod 16, and one end of the threaded rod 16 passes through the bottom plate 1 and is fixedly installed with a hand handle 11, an intermediate tube 19 is located between the laser 10 and the mounting tube 15, the tops of the three threaded hole blocks 17 are all fixedly installed with the laser 10, the top of the bottom plate 1 is fixedly installed with the intermediate tube 19, a rotating rod is fixedly installed on one side of the intermediate tube 19, and a sleeve 22 is rotatably installed on the outside of the rotating rod, and the outside of the sleeve 22 is fixed Six connecting rods 23 are installed, and the ends of the six connecting rods 23 away from the sleeve 22 are fixedly installed with a mounting tube 15, the outer side of the mounting tube 15 is fixedly installed with a dial wheel 3, one side of the inside of the mounting tube 15 is fixedly installed with a collimator 20, and the other end of the inside of the mounting tube 15 is fixedly installed with a Fourier mirror 21, the focal lengths of the collimators 20 at one end of the six mounting tubes 15 are different, and the focal lengths of the Fourier mirrors 21 at the other end of the six mounting tubes 15 are different, a sample box 14 is fixedly installed on the top of the base plate 1, both ends of the sample box 14 are connected with a connecting pipe 7, a detector 12 is fixedly installed on one side of the top of the base plate 1, and one side of the detector 12 is fixedly connected with a junction box 13, a display screen 6 is fixedly installed on the top of the protective cover 2, and a rectangular groove 8 is opened on the top of the base plate 1.

[0020] The working principle of the above technical solution is as follows: when in use, firstly, the ground negative electrode material powder is passed into the interior of the sample box 14 through the connecting tube 7, and then the laser 10 of appropriate power is selected according to the demand, and the threaded rod 16 is driven to rotate by turning the hand handle 11, so that the three threaded hole blocks 17 slide inside the slide groove 18, so as to adjust the positions of the three lasers 10, so that the appropriate laser 10 is aligned with one end of the intermediate tube 19, and then the mounting tube 15 with the appropriate beam expander 20 and Fourier mirror 21 is selected, and the corresponding mounting tube 15 is aligned with the other end of the intermediate tube 19 by turning the dial wheel 3, and then the start The laser 10 emits a laser, which is used as a light source. The light diffracted and scattered by the beam expander 20 and the Fourier mirror 21 is irradiated on the surface of the sample box 14, and the particle group is diffracted by the sample box 14 and developed on the detector 12. The number of each particle level determines the amount of light energy obtained at each specific angle. The proportion of the light energy at each specific angle in the total light energy should reflect the particle size of each particle, which is convenient for replacing lasers 10 of different powers. The replacement is simple, time-saving and labor-saving. In addition, it is convenient to replace the beam expander 20 and the Fourier mirror 21 of different focal lengths according to the material composition, and the time end is replaced to improve the monitoring efficiency of the material particle size.

[0021] In another embodiment, Figure 1-Figure 4 As shown, six identification grooves 4 are provided on the surface of the thumbwheel 3, and the positions of the six identification grooves 4 correspond to the positions of the six mounting tubes 15 respectively. A positioning pointer 5 is fixedly installed on the top of the protective cover 2. The thumbwheel 3 is located on the inner side of the rectangular groove 8. An observation window 9 is provided on the top of the protective cover 2, and the position of the observation window 9 corresponds to the positions of the three lasers 10.

[0022] The positions of the six installation tubes 15 can be determined by the six identification grooves 4 , so that the installation tubes 15 can be easily aligned with the middle tube 19 . The positions of the three lasers 10 can be observed through the observation window 9 .

[0023] In another embodiment, Figure 2 As shown, the output end of the junction box 13 is connected to the input end of the display screen 6 through a wire.

[0024] The development presented by the detector 12 can be transmitted to the display screen 6 through the junction box 13, and can be displayed on the display screen 6, which is convenient for monitoring personnel to observe and improve the use effect of the device. It can obtain continuous particle size distribution information in real time, improve product continuity, and achieve product quality control. According to the particle size distribution information, the production process can be adjusted in time to minimize grinding power consumption. At the same time, remote operation can be achieved, which is convenient for establishing automated production control.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online laser monitoring device for the particle size of negative electrode materials, comprising a bottom plate (1) and a protective cover (2), wherein the protective cover (2) is arranged on the top of the bottom plate (1), and is characterized in that: A slide groove (18) is provided on the top of the bottom plate (1), three threaded hole blocks (17) are slidably mounted inside the slide groove (18), a threaded rod (16) is rotatably mounted inside the slide groove (18), a laser (10) is fixedly mounted on the top of the three threaded hole blocks (17), an intermediate tube (19) is fixedly mounted on the top of the bottom plate (1), a rotating rod is fixedly mounted on one side of the intermediate tube (19), and a sleeve (22) is rotatably mounted on the outer side of the rotating rod, six connecting rods (23) are fixedly mounted on the outer side of the sleeve (22), and a mounting cylinder (15) is fixedly mounted on the ends of the six connecting rods (23) away from the sleeve (22). ), a dial wheel (3) is fixedly mounted on the outer side of the mounting tube (15), a beam expander (20) is fixedly mounted on one side of the mounting tube (15), a Fourier mirror (21) is fixedly mounted on the other end of the mounting tube (15), a sample box (14) is fixedly mounted on the top of the base plate (1), both ends of the sample box (14) are connected to a connecting pipe (7), a detector (12) is fixedly mounted on one side of the top of the base plate (1), a junction box (13) is fixedly connected to one side of the detector (12), a display screen (6) is fixedly mounted on the top of the protective cover (2), and a rectangular groove (8) is provided on the top of the base plate (1).

2. The on-line laser monitoring device for the particle size of negative electrode materials according to claim 1, characterized in that: The three threaded hole blocks (17) are threadedly connected to the outside of the threaded rod (16), and one end of the threaded rod (16) passes through the bottom plate (1) and is fixedly mounted with a hand handle (11), and the intermediate tube (19) is located between the laser (10) and the mounting tube (15).

3. The on-line laser monitoring device for the particle size of negative electrode materials according to claim 1 is characterized in that: The focal lengths of the beam expanders (20) at one end of the six mounting tubes (15) are different, and the focal lengths of the Fourier mirrors (21) at the other end of the six mounting tubes (15) are different.

4. The on-line laser monitoring device for the particle size of negative electrode materials according to claim 1, characterized in that: The surface of the thumbwheel (3) is provided with six identification grooves (4), and the positions of the six identification grooves (4) respectively correspond to the positions of the six mounting tubes (15). A positioning pointer (5) is fixedly mounted on the top of the protective cover (2), and the thumbwheel (3) is located on the inner side of the rectangular groove (8).

5. The on-line laser monitoring device for the particle size of negative electrode materials according to claim 1, characterized in that: An observation window (9) is provided on the top of the protective cover (2), and the position of the observation window (9) corresponds to the position of the three lasers (10).

6. The on-line laser monitoring device for the particle size of negative electrode materials according to claim 1, characterized in that: The output end of the junction box (13) is connected to the input end of the display screen (6) via a wire.

Images