Adjustable precise sampler for extracting lithium battery sedimentation slurry

Abstract

The utility model discloses an adjustable accurate sampler for extracting lithium battery sedimentation slurry, which belongs to the technical field of sampling supplies and comprises an equipment main body, a lifting adjusting mechanism and a sampling device are mounted on the equipment main body, and the lifting adjusting mechanism is connected with the sampling device; the lifting adjusting mechanism comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism and the second adjusting mechanism are both connected with the equipment main body and the sampling device. By means of the mode, fixed-point and quantitative sampling of samples can be achieved; the device is simple in structure, low in cost, capable of being recycled, easy to operate, good in air tightness, free of influence of external environmental factors, detachable, replaceable, cleanable and convenient to use subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling supplies, in particular to an adjustable precise sampler for extracting sedimentation slurry of lithium batteries. Background Art

[0002] In the production and research of preparing ternary lithium and lithium iron phosphate battery slurry, the quality of the slurry will directly affect the battery rate, voltage drop, performance, safety and coating process, so sampling and testing during slurry sedimentation is particularly important. The existing process generally uses two methods for measurement, beaker measurement method and fixed-point valve sampler; beaker measurement method: introduce the slurry to be tested into the beaker, wrap it with plastic wrap and place it, and then use a straw to suck the slurry at different positions for measurement; fixed-point valve sampler: compared with using a beaker, this method can achieve fixed-position material collection, but the intervals between fixed positions are too large, and it is impossible to collect slurry between smaller distances.

[0003] For example, Chinese patent CN207456844U discloses a cell slurry sampler for producing lithium batteries, in which a plurality of partitions are evenly arranged in a tube body along its length direction, a storage chamber is formed between the partitions, an upper cover body is arranged on the tube body, a rotating shaft is arranged in the tube body, a reducer and a forward and reverse motor are respectively arranged on the upper cover body, the forward and reverse motors are powered by the rotating shaft through the reducer, the rotating shaft is rotatably connected to the partition, a sealed bearing is arranged at the connection between the rotating shaft and the partition, a feed port is arranged on the side wall in the middle of the storage chamber, sliding grooves are symmetrically arranged in the feed port, baffles are slidably arranged between the sliding grooves, a slider is arranged on the inner side of the baffle, a plurality of threaded grooves are evenly arranged on the rotating shaft, the threaded grooves are threadedly connected to the slider, a handle is arranged on the upper end of the tube body, and a forward and reverse switch is arranged in the handle, and the forward and reverse switch is electrically connected to the input power supply and the forward and reverse motor.

[0004] However, the technology has the following problems: the penetration depth of the pipette is difficult to control, the sampling quantity is not uniform, the switch-type outlet pipe will accumulate slurry, and it is not easy to clean after the experiment.

[0005] Based on this, the utility model designs an adjustable precise sampler for extracting lithium battery sedimentation slurry to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an adjustable precision sampler for extracting lithium battery sedimentation slurry.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An adjustable precise sampler for extracting lithium battery sedimentation slurry, comprising a device body, on which a lifting and adjusting mechanism and a sampling device are installed, and the lifting and adjusting mechanism and the sampling device are connected;

[0009] The lifting and lowering adjustment mechanism comprises a first adjustment mechanism and a second adjustment mechanism, and both the first adjustment mechanism and the second adjustment mechanism are connected to the equipment body and the sampling device.

[0010] Furthermore, the main body of the device includes a sampling tube body, a top cover, a through hole and a silicone sheet. The top of the sampling tube body is designed with an external thread, the bottom of the top cover is designed with an internal thread, the sampling tube body is threadedly connected to the top cover, the through hole is opened at the center point of the top of the top cover, the silicone sheet is arranged in the through hole, and the silicone sheet and the through hole are detachably connected.

[0011] Furthermore, the top cover is connected to both the first adjusting mechanism and the second adjusting mechanism, and the silicone sheet is connected to the sampling device.

[0012] Furthermore, the sampling tube body is cylindrical and hollow inside, and the corresponding liquid level height is engraved on its side.

[0013] Furthermore, the two ends of the silicone sheet are round and the middle is trapezoidal, and the cross-section of the silicone sheet is an isosceles trapezoid.

[0014] Furthermore, the first adjustment mechanism includes a first lifting screw assembly, a first half buckle and a second half buckle, the first lifting screw assembly is fixedly installed on the top right side of the top cover, the first half buckle and the second half buckle are respectively fixedly installed on the front and rear sides of the output end of the first lifting screw assembly, the first half buckle is clamped with the second half buckle, the first half buckle and the second half buckle are located above the through hole, and the first half buckle and the second half buckle are both connected to the sampling device.

[0015] Furthermore, the first half buckle and the second half buckle are each provided with two groups and are respectively located at the upper and lower sides of the first lifting screw rod assembly.

[0016] Furthermore, the second adjusting mechanism includes a mounting platform, a second lifting screw rod assembly, a slot, a bidirectional threaded rod, a clamping block and a knob. The mounting platform is fixedly installed on the left side of the top cover, the second lifting screw rod assembly is fixedly installed on the upper end of the mounting platform, the slot is opened on the lower side of the output end of the second lifting screw rod assembly, the front and rear ends of the bidirectional threaded rod are both rotatably connected to the inside of the slot, the front end of the bidirectional threaded rod is fixedly connected to the knob, the clamping blocks are provided with two and are respectively threadedly connected to the front and rear ends of the bidirectional threaded rod, and the two clamping blocks are both slidably connected to the slot.

[0017] Furthermore, the sampling device includes a syringe and a needle, the syringe is plugged into the needle, the side wall of the syringe is detachably connected to the first half buckle and the second half buckle, the two clamping blocks are in contact with the piston handle at the end of the syringe, and the needle is plugged into the silicone sheet.

[0018] The utility model has the following technical effects:

[0019] When the utility model is in use, the lithium battery sedimentation slurry is placed in the equipment body, the sampling device is inserted into the equipment body, and then the sampling device is fixed on the first adjustment mechanism, the second adjustment mechanism clamps the sampling device, and the second adjustment mechanism controls the sampling device to sample the sedimentation slurry at different times, different positions, and a specified amount. The utility model has a simple structure, low cost, recycling, simple operation, good air tightness, is not affected by external environmental factors, and is detachable, replaceable, and washable, which is convenient for subsequent use, and can also achieve fixed-point and quantitative sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The utility model is a three-dimensional adjustable accurate sampler for extracting lithium battery sedimentation slurry Figure 1 ;

[0022] Figure 2 This is a front view of an adjustable precision sampler for extracting lithium battery sedimentation slurry according to the utility model;

[0023] Figure 3 This is a left view of an adjustable precision sampler for extracting lithium battery sedimentation slurry according to the utility model;

[0024] Figure 4 The utility model is a three-dimensional adjustable accurate sampler for extracting lithium battery sedimentation slurry Figure 2 ;

[0025] Figure 5 The utility model is a three-dimensional adjustable accurate sampler for extracting lithium battery sedimentation slurry Figure 3 ;

[0026] Figure 6 For along Figure 3 AA direction cross-sectional view.

[0027] The numbers in the figure represent:

[0028] 1. Equipment body; 11. Sampling tube body; 12. Top cover; 13. Through hole; 14. Silicone sheet; 2. Lifting adjustment mechanism; 21. First adjustment mechanism; 211. First lifting screw rod assembly; 212. First half buckle; 213. Second half buckle; 22. Second adjustment mechanism; 221. Mounting table; 222. Second lifting screw rod assembly; 223. Notch; 224. Bidirectional threaded rod; 225. Clamping block; 226. Knob; 3. Sampling device; 31. Syringe; 32. Needle. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0030] The utility model is further described below in conjunction with embodiments.

[0031] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0032] Example 1

[0033] Please refer to the instruction manual Figure 1-6 , an adjustable precise sampler for extracting lithium battery sedimentation slurry, comprising a device body 1, on which a lifting and adjusting mechanism 2 and a sampling device 3 are installed, and the lifting and adjusting mechanism 2 and the sampling device 3 are connected;

[0034] The lifting adjustment mechanism 2 includes a first adjustment mechanism 21 and a second adjustment mechanism 22 . The first adjustment mechanism 21 and the second adjustment mechanism 22 are both connected to the equipment body 1 and the sampling device 3 .

[0035] When the utility model is in use, the lithium battery sedimentation slurry is placed in the equipment body 1, the sampling device 3 is inserted into the equipment body 1, and then the sampling device 3 is fixed on the first adjustment mechanism 21, and the second adjustment mechanism 22 clamps the sampling device 3. The second adjustment mechanism 22 controls the sampling device 3 to sample the sedimentation slurry at different times, different positions, and a specified amount. The utility model has a simple structure, low cost, recycling, simple operation, good air tightness, is not affected by external environmental factors, and is detachable, replaceable, and washable. It is convenient for subsequent use and can also take samples at fixed points and in a quantitative manner.

[0036] Example 2

[0037] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the device body 1 includes a sampling cylinder body 11, a top cover 12, a through hole 13 and a silicone sheet 14. The top of the sampling cylinder body 11 is designed with an external thread, the bottom of the top cover 12 is designed with an internal thread, the sampling cylinder body 11 is threadedly connected to the top cover 12, the through hole 13 is opened at the center point of the top of the top cover 12, the silicone sheet 14 is arranged in the through hole 13, and the silicone sheet 14 and the through hole 13 are detachably connected.

[0038] The through hole 13 is used to eliminate negative pressure in the barrel, and the silicone sheet 14 is used for sealing.

[0039] The top cover 12 is connected to both the first adjustment mechanism 21 and the second adjustment mechanism 22 , and the silicone sheet 14 is connected to the sampling device 3 .

[0040] The sampling tube body 11 is cylindrical and hollow inside, and the corresponding liquid level height is engraved on its side. The sampling tube body 11 and the top cover 12 are made of 304 stainless steel.

[0041] The two ends of the silicone sheet 14 are round and the middle is trapezoidal. The cross-section of the silicone sheet 14 is an isosceles trapezoid.

[0042] The diameter of the through hole 13 is between the diameters of the large circle and the small circle of the silicone sheet 14 .

[0043] The first adjustment mechanism 21 includes a first lifting screw assembly 211, a first half buckle 212 and a second half buckle 213. The first lifting screw assembly 211 is fixedly installed on the top right side of the top cover 12. The first half buckle 212 and the second half buckle 213 are respectively fixedly installed on the front and rear sides of the output end of the first lifting screw assembly 211. The first half buckle 212 is clamped with the second half buckle 213. The first half buckle 212 and the second half buckle 213 are located above the through hole 13. The first half buckle 212 and the second half buckle 213 are both connected to the sampling device 3.

[0044] The first half buckle 212 and the second half buckle 213 are each provided with two groups and are respectively located at the upper and lower sides of the first lifting screw rod assembly 211 .

[0045] The second adjusting mechanism 22 includes a mounting platform 221, a second lifting screw rod assembly 222, a notch 223, a bidirectional threaded rod 224, a clamping block 225 and a knob 226. The mounting platform 221 is fixedly mounted on the left side of the top of the top cover 12, and the second lifting screw rod assembly 222 is fixedly mounted on the upper end of the mounting platform 221. The notch 223 is opened on the lower side of the output end of the second lifting screw rod assembly 222. The front and rear ends of the bidirectional threaded rod 224 are both rotatably connected to the inside of the notch 223, and the front end of the bidirectional threaded rod 224 is fixedly connected to the knob 226. The clamping block 225 is provided with two and is respectively threadedly connected to the front and rear ends of the bidirectional threaded rod 224, and the two clamping blocks 225 are both slidably connected to the notch 223.

[0046] When the utility model is in use, the experimental slurry is introduced into the sampling tube body 11, and the sampling tube body 11 and the top cover 12 are sealed and then a sedimentation process is performed, a silicone sheet 14 of corresponding specifications is used to block the through hole 13, and the first half buckle 212 and the second half buckle 213 are used to clamp the sampling device 3 on the output end of the first lifting screw rod assembly 211, and the first lifting screw rod assembly 211 can adjust the position of the sampling device 3, and the position between the two clamping blocks 225 can be adjusted by rotating the knob 226, so as to clamp the sampling device 3.

[0047] Example 3

[0048] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the sampling device 3 includes a syringe 31 and a needle 32, the syringe 31 is plugged into the needle 32, the side wall of the syringe 31 is detachably connected to the first half buckle 212 and the second half buckle 213, the two clamping blocks 225 are in contact with the piston handle at the end of the syringe 31, and the needle 32 is plugged into the silicone sheet 14.

[0049] The height of the needle 32 is consistent with the sum of the heights of the sampling tube body 11 and the top cover 12 .

[0050] When the utility model is in use, the needle 32 is inserted into the sampling tube body 11 through the silicone sheet 14, the first half buckle 212 and the second half buckle 213 fix the syringe 31 on the output end of the first lifting screw assembly 211, the first lifting screw assembly 211 adjusts the syringe 31 to a suitable position, the needle 32 moves with the syringe 31, the needle 32 reaches the specified position, the second lifting screw assembly 222 drives the clamping block 225 to move upward to reach the position of the piston handle, and the two clamping blocks 225 are adjusted to clamp the piston handle by rotating the knob 226, the second lifting screw assembly 222 continues to move upward to drive the piston handle to move upward, and starts to extract the sedimentation slurry; after the slurry is extracted, the residual slurry in the barrel is poured out, the silicone sheet 14 is removed, and the sampling tube body 11, the top cover 12, the silicone sheet 14, the syringe 31, and the needle 32 are cleaned for the next use.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable precision sampler for extracting lithium battery sedimentation slurry, comprising a device body (1), characterized in that: The equipment body (1) is provided with a lifting and adjusting mechanism (2) and a sampling device (3), and the lifting and adjusting mechanism (2) and the sampling device (3) are connected; The lifting and lowering adjustment mechanism (2) comprises a first adjustment mechanism (21) and a second adjustment mechanism (22), and the first adjustment mechanism (21) and the second adjustment mechanism (22) are both connected to the equipment body (1) and the sampling device (3); The device body (1) comprises a sampling tube body (11), a top cover (12), a through hole (13) and a silicone sheet (14); the top of the sampling tube body (11) is designed with an external thread, the bottom of the top cover (12) is designed with an internal thread, the sampling tube body (11) and the top cover (12) are threadedly connected, the through hole (13) is opened at the center point of the top of the top cover (12), the silicone sheet (14) is arranged in the through hole (13), and the silicone sheet (14) and the through hole (13) are detachably connected; The top cover (12) is connected to both the first adjustment mechanism (21) and the second adjustment mechanism (22); The first adjustment mechanism (21) comprises a first lifting screw assembly (211), a first half buckle (212) and a second half buckle (213); the first lifting screw assembly (211) is fixedly mounted on the top right side of the top cover (12); the first half buckle (212) and the second half buckle (213) are respectively fixedly mounted on the front and rear sides of the output end of the first lifting screw assembly (211); the first half buckle (212) and the second half buckle (213) are clamped together; the first half buckle (212) and the second half buckle (213) are located above the through hole (13); the first half buckle (212) and the second half buckle (213) are both connected to the sampling device (3); The second adjustment mechanism (22) comprises a mounting platform (221), a second lifting screw rod assembly (222), a notch (223), a bidirectional threaded rod (224), a clamping block (225) and a knob (226); the mounting platform (221) is fixedly mounted on the left side of the top of the top cover (12); the second lifting screw rod assembly (222) is fixedly mounted on the upper end of the mounting platform (221); the notch (223) is arranged on the lower side of the output end of the second lifting screw rod assembly (222); the front and rear ends of the bidirectional threaded rod (224) are both rotatably connected to the inside of the notch (223); the front end of the bidirectional threaded rod (224) is fixedly connected to the knob (226); two clamping blocks (225) are provided and are respectively threadedly connected to the front and rear ends of the bidirectional threaded rod (224); and the two clamping blocks (225) are both slidably connected to the notch (223).

2. The adjustable precise sampler for extracting lithium battery sedimentation slurry according to claim 1 is characterized in that: The silica gel sheet (14) is connected to the sampling device (3).

3. The adjustable precise sampler for extracting lithium battery sedimentation slurry according to claim 1 is characterized in that: The sampling tube body (11) is cylindrical and hollow inside, and the corresponding liquid level height is engraved on its side.

4. The adjustable precise sampler for extracting lithium battery sedimentation slurry according to claim 2 is characterized in that: The two ends of the silicone sheet (14) are circular and the middle is trapezoidal. The cross-section of the silicone sheet (14) is an isosceles trapezoid.

5. The adjustable precise sampler for extracting lithium battery sedimentation slurry according to claim 1 is characterized in that: The first half buckle (212) and the second half buckle (213) are each provided with two groups and are respectively located at the upper and lower sides of the first lifting screw rod assembly (211).

6. The adjustable precise sampler for extracting lithium battery sedimentation slurry according to claim 2 is characterized in that: The sampling device (3) comprises a syringe (31) and a needle (32), wherein the syringe (31) and the needle (32) are plugged together, the side wall of the syringe (31) is detachably connected to the first half buckle (212) and the second half buckle (213), the two clamping blocks (225) are in contact with the piston handle at the end of the syringe (31), and the needle (32) is plugged into the silicone sheet (14).

Images