Device for measuring tap density of battery electrode powder material

Abstract

The utility model discloses a device for measuring the tap density of a battery electrode powder material, which relates to the technical field of tap density measurement and comprises a vibration device body, a touch screen and a measuring cylinder, a graduated scale is arranged on the measuring cylinder, a rotating seat is mounted above the vibration device body, auxiliary shafts are annularly and uniformly arranged above the rotating seat, and the auxiliary shafts are arranged on the touch screen. The auxiliary shaft is connected with the rotating seat through a bearing, the lower middle part of the rotating seat is rotatably connected with a main shaft, the main shaft and the auxiliary shaft are fixedly provided with a driving gear and a driven gear respectively, a driving assembly is arranged below the rotating seat, supporting assemblies are distributed below the vibration device body in a square shape, and a horizontal bubble instrument is arranged on the upper left part of the vibration device body. According to the scheme, the horizontal bubble is installed on the horizontal table top of the vibration device body, the height of the supporting legs is adjusted up and down, the surface of a vibrated powder material is flush with scale marks of a measuring cylinder, errors generated during reading can be reduced, the tap density is calculated through the touch display screen, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of battery electrode powder material tap density measuring devices, and specifically is a kind of battery electrode powder material tap density measuring device. BACKGROUND

[0002] Tap density refers to the mass of unit volume measured after powder is vibrated in container under specified conditions, usually in g / cm³ unit;Tap density is an important parameter to measure powder material, especially in battery industry, it directly affects the energy density and endurance of battery;The measurement method of tap density is to fill a certain amount of powder into the measuring cylinder of vibration device, the gap between particles is compressed as much as possible by vibration, until the gap between particles cannot be reduced, then the volume of powder is measured, and the tap density is obtained by dividing the mass of powder by volume.

[0003] The existing tap density measuring device still has the following shortcomings:

[0004] (1) measuring cylinder is open, sample is easy to splash during vibration, and external impurities are easy to enter into measuring cylinder to cause sample pollution.

[0005] (2) the existing tap density measuring device fixes measuring cylinder only by simple knob clamp to fix measuring cylinder base, knob clamp is easy to loosen during vibration, and disassembling measuring cylinder is cumbersome.

[0006] (3) sample level cannot be flush with measuring cylinder scale line after tap density measuring device is completed, causing reading difficulty, affecting the accuracy of data.

[0007] Aiming at the above problems, we specially propose a kind of battery electrode powder material tap density measuring device. Utility model content

[0008] The utility model aims at providing a kind of battery electrode powder material tap density measuring device to solve the problems of existing tap density measuring device sample easy to splash, measuring cylinder disassembly cumbersome, sample level cannot be flush with measuring cylinder scale line after tap density measuring device is completed, causing reading difficulty and other problems in the background art.

[0009] To achieve the above object, the utility model provides following technical scheme: a kind of battery electrode powder material vibration density measuring device, including vibration device ontology, touch screen and measuring cylinder, scale is provided on the measuring cylinder, rotating seat is installed above the vibration device ontology, auxiliary shaft is uniformly arranged in annular above the rotating seat, the auxiliary shaft and rotating seat are connected by bearing, main shaft is rotatably connected in the middle of rotating seat lower part, driving gear and driven gear are respectively fixedly installed on the main shaft and auxiliary shaft, the driving gear and driven gear are engaged, driving assembly is arranged below the rotating seat, support assembly is distributed in square below the vibration device ontology, horizontal bubble apparatus is arranged in the upper left of vibration device ontology, and the horizontal bubble apparatus is embedded in vibration device ontology;

[0010] The driving assembly includes a driving motor, a limiting sleeve movably sleeved below the main shaft, a push rod arranged in the middle of the limiting sleeve, a lap plate arranged outside the main shaft, a spring one movably sleeved below the main shaft, the spring one being arranged below the lap plate, a limiting block arranged outside the push rod, a closed spiral groove formed in the inside of the main shaft, the limiting block being movably connected to the inside of the spiral groove, a connecting rod rotatably connected to the output shaft of the driving motor, and the connecting rod and the limiting sleeve being connected by a pin shaft.

[0011] The support assembly includes support legs, the support legs being fixedly installed on the vibration device ontology by threads, limiting nuts being threadedly connected to the support legs, the rotating seat and the vibration device ontology being connected by a spring two, the spring two being arranged below the rotating seat.

[0012] A plug cap is threadedly connected to the upper end of the measuring cylinder, a clamping sleeve is sleeved on the measuring cylinder from top to bottom, a mounting seat is threadedly connected to the lower part of the clamping sleeve, a strong magnet is embedded in the mounting seat, an electromagnetic chuck is arranged above the auxiliary shaft, and the electromagnetic chuck and the strong magnet are magnetically connected.

[0013] Preferably, the spring two is arranged between adjacent auxiliary shafts, and the center lines of the spring two and the auxiliary shafts are parallel to each other.

[0014] Preferably, the push rod is movably inserted into the lower end of the main shaft, and the push rod and the main shaft are collinear.

[0015] Preferably, the driven gear is annularly arranged outside the driving gear, and the center lines of the driven gear and the driving gear are parallel to each other.

[0016] Preferably, the lap plate is arranged inside the limiting sleeve, and the outer diameter of the lap plate is equal to the inner diameter of the limiting sleeve.

[0017] Preferably, the driving gear is arranged below the rotating seat, and the driving gear and the rotating seat are spaced apart.

[0018] Preferably, the mounting seat is clamped above the auxiliary shaft.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1、The battery electrode powder material vibration density measuring device, through the threaded connection of the plug cover on the upper port of the measuring cylinder, the sample is not easy to splash and be contaminated, and the plug cover is not easy to lose.

[0021] 2、The battery electrode powder material vibration density measuring device, through the electromagnetic chuck on the auxiliary shaft, on the one hand, the measuring cylinder can be stabilized during vibration, and on the other hand, the measuring cylinder can be more conveniently disassembled.

[0022] 3、The battery electrode powder material vibration density measuring device, through the horizontal bubble instrument and adjustable support assembly on the vibration device body table, on the one hand, the support leg can be rotated to adjust the height of the support foot, and on the other hand, the horizontal bubble can be used to determine whether the table is in a horizontal state, so that the sample and the measuring cylinder scale line are flush after vibration, and the accuracy of reading is improved.

[0023] 4、The battery electrode powder material vibration density measuring device, through the touch display screen on the front of the vibration density device body, the touch display screen can control the electromagnetic chuck switch, and additionally, the sample mass and volume can be input to calculate the vibration density, and the work efficiency is improved.

[0024] 5、The battery electrode powder material vibration density measuring device, through the driving assembly on the inner side of the vibration device body, in addition to the rotation seat generating a certain vibration, the measuring cylinder can also generate a certain rotation in the process, and the powder vibration effect in the measuring cylinder is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 It is a first side cross-sectional structure schematic diagram of the utility model;

[0027] Figure 3 It is a Figure 2 enlarged schematic diagram of M of the utility model;

[0028] Figure 4 It is a measuring cylinder connection structure schematic diagram of the utility model;

[0029] Figure 5 It is a top view structure schematic diagram of the utility model;

[0030] Figure 6 It is a second side cross-sectional structure schematic diagram of the utility model;

[0031] Figure 7 The auxiliary shaft structure schematic view of the utility model.

[0032] In the figure: 1, the vibration device body; 2, the rotary seat; 21, the main shaft; 22, the lap plate; 23, the limit sleeve; 24, spring one; 25, spiral groove; 26, limit block; 27, connecting rod; 28, push rod; 29, driving gear; 3, measuring cylinder; 31, auxiliary shaft; 32, driven gear; 33, electromagnetic chuck; 34, strong magnet; 35, mounting seat; 36, clamping sleeve; 37, plug cover; 4, touch screen; 5, horizontal bubble instrument; 6, support assembly; 61, support leg; 62, limit nut; 7, drive assembly; 71, drive motor; 72, spring two. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Embodiment: please refer to Figures 1-7 The utility model provides a kind of technical solutions: a battery electrode powder material vibration density measuring device, including vibration device body 1, touch screen 4 and measuring cylinder 3, wherein, touch screen 4 material is liquid crystal display screen, because it has the advantages such as excellent picture quality, rich color, picture smoothness;By setting touch screen 4 on the front of vibration device body 1, vibration frequency, amplitude and vibration time can be set, electromagnetic chuck 33 switch and calculate vibration density described below can be controlled, it is easy to operate, improve work efficiency.

[0035] Please refer to Figure 1 And Figure 2 Measuring cylinder 3 is provided with scale, and the scale can facilitate knowing the amount of powder in the measuring cylinder 3. A rotary seat 2 is installed above the vibration device body 1, and auxiliary shafts 31 are uniformly arranged in a ring shape above the rotary seat 2. The auxiliary shafts 31 are connected to the rotary seat 2 through bearings. A main shaft 21 is rotatably connected to the middle part below the rotary seat 2. Driving gears 29 and driven gears 32 are respectively fixedly installed on the main shaft 21 and the auxiliary shafts 31. The driving gears 29 are arranged below the rotary seat 2, and the driving gears 29 and the rotary seat 2 are spaced apart. The driven gears 32 are arranged in a ring shape outside the driving gears 29, and the center lines of the driven gears 32 and the driving gears 29 are parallel to each other. The driving gears 29 and the driven gears 32 are engaged. A drive assembly 7 is arranged below the rotary seat 2. Support assemblies 6 are distributed in a square shape below the vibration device body 1.

[0036] Further, the upper left of the vibration device body 1 is provided with a horizontal bubble instrument 5, which is embedded on the vibration device body 1; the horizontal bubble instrument 5 comprises a horizontal bubble and a liquid cavity; when the horizontal bubble is at the center of the liquid cavity, it can be determined that the vibration device body 1 is in a horizontal state (this is the existing disclosed technology).

[0037] Please refer to Figure 2 and Figure 3 , the driving assembly 7 comprises a driving motor 71, which is electrically connected with the control switch, the touch screen 4 and the like through wires; the main shaft 21 is movably sleeved with a limiting sleeve 23 below; the limiting sleeve 23 and the main shaft 21 are collinear; a push rod 28 is arranged in the middle of the limiting sleeve 23 and movably inserted into the lower end of the main shaft 21; the push rod 28 and the main shaft 21 are collinear; a lap plate 22 is arranged on the outer side of the main shaft 21; a spring 24 is movably sleeved below the main shaft 21; the spring 24 is arranged below the lap plate 22; a limiting block 26 is arranged on the outer side of the push rod 28; a closed spiral groove 25 is formed in the inner side of the main shaft 21; the limiting block 26 is movably connected to the inner side of the spiral groove 25; a connecting rod 27 is rotatably connected to the output shaft of the driving motor 71; the connecting rod 27 and the limiting sleeve 23 are connected through a pin shaft; the lap plate 22 is arranged on the inner side of the limiting sleeve 23; and the outer diameter of the lap plate 22 is equal to the inner diameter of the limiting sleeve 23.

[0038] Please refer to Figure 6 , the supporting assembly 6 comprises a supporting leg 61, which is fixedly installed on the vibration device body 1 through threads; a limiting nut 62 is threadedly connected to the supporting leg 61; the spring 72 is connected between the rotating seat 2 and the vibration device body 1; and the spring 72 is arranged below the rotating seat 2; the spring 72 is arranged between the adjacent auxiliary shafts 31; and the center lines of the spring 72 and the auxiliary shafts 31 are parallel to each other.

[0039] Please refer to Figure 4 and Figure 7 , the upper end of the measuring cylinder 3 is threadedly connected with a plug cover 37; the plug cover 37 is arranged to prevent the sample from spilling out and being contaminated; and the plug cover 37 is convenient to carry and not easy to lose.

[0040] The measuring cylinder 3 is movably sleeved with a clamping sleeve 36 below; the clamping sleeve 36 is threadedly connected with a mounting seat 35 below; and the mounting seat 35 is clamped on the auxiliary shaft 31 above; the mounting seat 35 is embedded with a strong magnet 34 at the lower end; the strong magnet 34 is ferrous boroalloy; the auxiliary shaft 31 is provided with an electromagnetic chuck 33 above; and the electromagnetic chuck 33 is magnetically connected with the strong magnet 34. By clamping the mounting seat 35 on the auxiliary shaft 31 and magnetically connecting them, on the one hand, the measuring cylinder 3 is not easy to be dislocated during vibration; and on the other hand, the measuring cylinder 3 is more convenient to disassemble.

[0041] Working principle: the battery electrode powder material tap density measuring device, in use, observe the horizontal bubble instrument 5, rotate the support leg 61, so that the horizontal bubble in the horizontal bubble instrument 5 is in the liquid cavity center position, then the limit nut 62 is screwed to the upper end of the support leg 61, and abuts against the lower end surface of the vibration device body 1;

[0042] The quality of the symmetrical sample is weighed, and the mass is m; the sample is loaded into the measuring cylinder 3, the plug cap 37 is tightly capped on the measuring cylinder 3, the clamping sleeve 36 is sleeved on the measuring cylinder 3 from top to bottom, and the clamping sleeve 36 and the mounting seat 35 are fixed, at this time, the mounting seat 35 can be connected with the measuring cylinder 3 in an integrated manner; the mounting seat 35 is inserted into the clamping groove above the auxiliary shaft 31, the clamping groove can limit the relative rotation of the mounting seat 35 and the auxiliary shaft 31, through the magnetic attraction of the strong magnet 34 and the electromagnetic chuck 33, the measuring cylinder 3 can be quickly fixed on the vibration device body 1; through the touch screen 4 operation, the driving motor 71 is started, through the rotation of the output shaft of the driving motor 71, the connecting rod 27 presents annular motion, through the connecting action of the connecting rod 27, at this time, the limiting sleeve 23 is continuously inserted and extracted on the main shaft 21, through the cooperation with the spring two 72, the rotating seat 2 can produce a certain vibration, and then the vibration of the measuring cylinder 3 is realized, at the same time, through the upward movement of the limiting sleeve 23, the limiting block 26 can be driven to move upward, through the sliding of the limiting block 26 in the spiral groove 25 on the inner side of the main shaft 21, the main shaft 21 can be rotated, and then the driving gear 29 is rotated, through the meshing action of the driving gear 29 and the driven gear 32, the driven gear 32 is rotated, the auxiliary shaft 31 is driven to rotate, and the measuring cylinder 3 in the vibration can produce rotation, and the tap effect of the powder is further improved.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery electrode powder material tap density measuring device, comprising a vibration device body (1), a touch screen (4) and a measuring cylinder (3), a scale is arranged on the measuring cylinder (3), characterized in that: The vibration device body (1) is provided with a rotating seat (2) above, the rotating seat (2) is uniformly provided with auxiliary shaft (31) in annular shape above, the auxiliary shaft (31) and rotating seat (2) are connected through bearing, the rotating seat (2) is rotatably connected with main shaft (21) in the middle, the main shaft (21) and auxiliary shaft (31) are respectively fixedly provided with driving gear (29) and driven gear (32), the driving gear (29) and driven gear (32) are engaged, the rotating seat (2) is provided with drive assembly (7) below, the vibration device body (1) is provided with support assembly (6) below in square distribution, the vibration device body (1) is provided with horizontal bubble instrument (5) above left, the horizontal bubble instrument (5) is embedded in vibration device body (1); The drive assembly (7) includes a drive motor (71), the main shaft (21) is movably sleeved with a limiting sleeve (23) below, the limiting sleeve (23) is provided with a push rod (28) in the middle, the main shaft (21) is provided with a lap plate (22) outside, the main shaft (21) is movably sleeved with a spring (24) below, the spring (24) is arranged below the lap plate (22), the push rod (28) is provided with a limiting block (26) outside, the main shaft (21) is provided with a closed spiral groove (25) inside, the limiting block (26) is movably connected to the inside of the spiral groove (25), the output shaft of the drive motor (71) is rotatably connected with a connecting rod (27), and the connecting rod (27) and the limiting sleeve (23) are connected through a pin shaft. The support assembly (6) includes a support leg (61), which is fixedly installed on the vibration device body (1) by screwing, the support leg (61) is provided with a limiting nut (62) by screwing on the support leg (61), the rotating seat (2) and the vibration device body (1) are connected by a spring (72), and the spring (72) is arranged below the rotating seat (2). The upper end of the measuring cylinder (3) is threadedly connected with a plug cover (37), the measuring cylinder (3) is sleeved with a clamping sleeve (36) from top to bottom below, the clamping sleeve (36) is threadedly connected with a mounting seat (35) below, the mounting seat (35) is embedded with a strong magnet (34) in the lower end, the auxiliary shaft (31) is provided with an electromagnetic chuck (33) above, and the electromagnetic chuck (33) and the strong magnet (34) are magnetically connected.

2. The device for measuring tap density of battery electrode powder material according to claim 1, characterized in that: The spring (72) is arranged between adjacent auxiliary shafts (31), and the center lines of the spring (72) and the auxiliary shafts (31) are parallel to each other.

3. The device for measuring tap density of battery electrode powder material according to claim 1, characterized in that: The push rod (28) is movably inserted into the lower end of the main shaft (21), and the push rod (28) and the main shaft (21) are collinear.

4. The device for measuring tap density of battery electrode powder material according to claim 1, characterized in that: The driven gear (32) is annularly arranged outside the driving gear (29), and the center lines of the driven gear (32) and the driving gear (29) are parallel to each other.

5. The device of claim 1, wherein: The lap plate (22) is arranged inside the limiting sleeve (23), and the outer diameter of the lap plate (22) is equal to the inner diameter of the limiting sleeve (23).

6. The device of claim 1, wherein: The driving gear (29) is arranged below the rotating seat (2), and the driving gear (29) and the rotating seat (2) are arranged in a spaced manner.

7. The device of claim 1, wherein: The mounting seat (35) is clamped above the auxiliary shaft (31).

Images