CN218156077U

CN218156077U - Lithium cell electricity core thickness measurement device

Info

Publication number: CN218156077U
Application number: CN202222013496.9U
Authority: CN
Inventors: 杨光锁; 邵银; 张会武
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-27
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a lithium cell electricity core thickness measurement device, including workstation, measuring unit, detecting element, measuring unit fixed mounting is on the workstation, measuring unit is including placing the round platform that can rotate of lithium cell electricity core, and the round platform is aimed at to detecting element's telescopic link lower extreme, the utility model discloses a realized the thickness measurement of a plurality of angles of lithium cell electricity core, the effectual accuracy of having guaranteed data is reliable, has reduced accidental error nature, and the equal ten minutes convenience of battery electricity core material loading measurement and ejection of compact operation in this device, has improved work efficiency greatly.

Description

Lithium cell electricity core thickness measurement device

Technical Field

The utility model relates to a lithium cell production test technical field specifically is a lithium cell electricity core thickness measurement device.

Background

The lithium battery has the advantages of high voltage, high specific energy, more recycling times, long storage time and the like, is widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers, and is also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like.

The thickness is one of the key evaluation parameters of the lithium battery, and the size of the thickness is influenced by various factors such as the overall strong hardness, the impact resistance, the resistance and the like of the product. Therefore, the battery measurement difficulty is high, and the method is an important issue in the industry for developing a high-efficiency, convenient, accurate and reliable thickness measurement solution.

The invention with patent publication number CN112146607A discloses a thickness measuring device for lithium battery processing, which is vertically connected with a first threaded rod through an output end of a first servo motor to measure the thickness of a lithium battery; however, each lithium battery core of the patent can only carry out single measurement at one angle, and the measured thickness data has great accidental error; the operations of feeding, measuring and discharging of the lithium battery cell are very complicated and laborious, and the measuring efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: how to realize carrying out the thickness measurement of multi-angle to lithium cell electricity core to reduce accidental error nature.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a lithium battery cell thickness measurement device, includes workstation, measuring unit, detecting element, measuring unit fixed mounting is on the workstation, measuring unit is including placing lithium battery cell's round platform that can rotate, and the round platform is aimed at to detecting element's telescopic link lower extreme.

This application makes things convenient for each angle of adjustment through placing the upper end of round platform with battery electricity core, and rethread detecting element makes its output downwardly extending, until contacting with battery electricity core to measure a plurality of angles of battery electricity core, realized carrying out the thickness measurement of multi-angle to lithium battery electricity core, reduced accidental error nature.

Preferably: the measuring unit comprises a measuring table, a circular groove is formed in the center of the upper end of the measuring table, a rotating unit is arranged in the center of the inner cavity of the circular groove, the circular table is arranged above the rotating unit, and the outer side of the rotating unit is connected with a power unit in a meshed mode.

Preferably: the power unit includes a set of bearing frame, two it is connected with the worm to rotate between the bearing frame, one end of worm is passed one of them bearing frame and is extended to the outside and be connected with servo motor, servo motor passes through the wire and is connected with the control panel, just the reduction gear is installed in servo motor's the output shaft outside.

The advantages are that: the thickness measurement can be carried out by rotating a plurality of angles, a plurality of groups of thickness data are obtained, the actual thickness value of the lithium battery cell can be closer to by calculating the average value, and therefore the measured data are more accurate and reliable and are beneficial to controlling and eliminating errors.

Preferably: the rotating unit comprises a bearing seat, the upper end of the bearing seat is rotatably connected with a rotating shaft, the upper end of the rotating shaft is connected with the circular truncated cone, a gear ring meshed with the rotating shaft is sleeved on the outer side of the rotating shaft and at the same horizontal height of the worm, and the lead angle of the worm is smaller than the equivalent friction angle of the gear ring.

The advantages are that: the worm and the gear ring have self-locking performance, so that the circular truncated cone cannot rotate randomly when the thickness is measured, and the measurement stability is improved.

Preferably: the inner chamber equidistance of circular slot installs three and three above balancing unit, balancing unit all includes the supporting seat, the ball groove has all been seted up to the upper end of supporting seat, the equal swing joint in inner chamber in ball groove has the steel ball.

The advantages are that: the problem that the circular truncated cone is inclined is avoided.

Preferably: the edge position of the opening end of the ball groove is fixedly connected with an annular sheet through a screw, the inner side of the annular sheet is provided with an integrally formed semispherical shell, the upper end of the semispherical shell is provided with a round opening of which the diameter is smaller than that of the steel ball, and one side of the steel ball is exposed out of the round opening.

The advantages are that: the rotation of the circular truncated cone is not influenced.

Preferably: the measuring table is characterized in that a feeding hole is formed in the upper end of the left side of the measuring table, a qualified product discharging hole is formed in the upper end of the right side of the measuring table, a defective product discharging hole is formed in the upper end of the rear side of the measuring table, a plurality of conveying rollers are rotatably connected to inner cavities of the feeding hole, the qualified product discharging hole and the defective product discharging hole, and the horizontal distance between every two adjacent conveying rollers is the same.

The advantages are that: the loading, measuring and discharging operation of the lithium battery cell is very convenient and labor-saving, the measuring efficiency can be greatly improved, and the lithium battery cell feeding device is suitable for assembly line type operation.

Preferably: the workstation includes control panel, the equal fixedly connected with frame all around of workstation, it is a plurality of the upper end of frame is connected with quick-witted case jointly.

Preferably: the upper end of the measuring table is fixedly connected with stand columns all around, and the upper ends of the stand columns are fixedly connected with the lower end of the case.

The advantages are that: the stability of the case is further improved.

Preferably: the detecting unit comprises a cylinder, the upper end of the cylinder is fixedly connected with the lower end of the case, a pressure head is fixedly connected with the lower end of a telescopic shaft of the cylinder, and a plurality of pressure sensors distributed in an annular shape are embedded in the lower surface of the pressure head in an equal distance.

The advantages are that: and a plurality of groups of data are conveniently detected.

Preferably: the side wall of the front end of the case is provided with a screen panel, the side wall of the front end of the case is provided with a plurality of warning lamps at the lower end of the screen panel, and the outer wall of the right side of the case is provided with an indicator lamp.

The advantages are that: the staff can be guaranteed to carry out real-time monitoring to the device.

Compared with the prior art, the beneficial effects of the utility model are that: according to the lithium battery cell thickness measurement device, the servo motor is controlled to drive the worm to rotate forwards or backwards, the worm and the worm gear ring are meshed and connected, and then the worm gear ring, the rotating shaft and the round platform can be driven to rotate clockwise or anticlockwise for a certain angle, so that after the lithium battery cell is placed on the upper surface of the round platform, a plurality of angles can be rotated to measure the thickness, a plurality of groups of thickness data can be obtained, the average value can be calculated, the actual thickness value of the lithium battery cell can be closer to, the measured data are more accurate and reliable, and the control and the error elimination are facilitated;

the feeding groove, the qualified product discharging groove and the defective product discharging groove are formed in the upper surface of the measuring table, and a plurality of conveying rollers are rotatably mounted in the feeding groove, the qualified product discharging groove and the defective product discharging groove, so that the operations of feeding, measuring and discharging of the lithium battery cell are very convenient and labor-saving, the measuring efficiency can be greatly improved, and the measuring table is suitable for assembly line type operation;

the utility model discloses a realized the thickness measurement of a plurality of angles of lithium cell electricity core, the effectual accuracy of guaranteeing the data is reliable, the effectual accidental error nature that has reduced, and in this device battery electricity core material loading measurement and ejection of compact operation all very convenient, improved work efficiency greatly.

Drawings

Fig. 1 is a schematic perspective view of an overall structure of a lithium battery cell thickness measuring device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a measuring unit structure of a lithium battery cell thickness measuring apparatus according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a structural change state of a measuring unit of a lithium battery cell thickness measuring device according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a power unit and a rotating unit structure of a lithium battery cell thickness measuring apparatus according to an embodiment of the present invention;

fig. 5 is an explosion diagram of a structure of a balancing unit of a lithium battery cell thickness measuring apparatus according to an embodiment of the present invention;

fig. 6 is the embodiment of the utility model provides a lithium cell electricity core thickness measurement device's detecting element structure stereogram.

In the figure: 1-a cabinet body; 2-a workbench; 21-a control panel; 22-a frame; 3-a measurement unit; 31-a measuring table; 311-a feed inlet; 312-qualified product discharge port; 313-defective product discharge port; 314-circular groove; 32-upright post; 33-a transfer roll; 34-a circular truncated cone; 35-a power unit; 351-a bearing frame; 352-a servo motor; 353-a speed reducer; 354-worm; 36-a rotation unit; 361-bearing seat; 362-a rotating shaft; 363-a gear ring; 37-a balancing unit; 371-a support base; 372-ball grooves; 373-steel balls; 374-annular sheets; 375-hemispherical shell; 4-a case; 41-screen panel; 42-warning light; 43-an indicator light; 5-a detection unit; 51-a cylinder; 52-pressure head; 53-pressure sensor.

Detailed Description

In order to facilitate the technical solutions of the present invention to be understood by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the embodiment discloses a lithium battery cell thickness measuring device, which includes a cabinet 1, a workbench 2, a measuring unit 3, a case 4, and a detecting unit 5.

Referring to fig. 1, a cabinet door is mounted at the front end of the cabinet body 1 through a hinge, and universal wheels with brakes are mounted around the lower end of the cabinet body 1.

The whole structure that is "rectangle" of workstation 2, fixed mounting is in the upper end of the cabinet body 1, and workstation 2 includes control panel 21, frame 22, and control panel 21 sets up in the front end top of workstation 2, and control panel 21's upper end is equipped with a plurality of button, and the staff controls other subassemblies of this device through control panel 21.

The frame 22 is provided with four frames which are all of L-shaped structures and are all fixedly arranged around the upper end of the workbench 2.

In this embodiment, the folding surfaces of the plurality of frames 22 all correspond to each other.

Referring to fig. 1-5, the measuring unit 3 is fixedly installed at the upper end of the worktable 2, the measuring unit 3 includes a measuring table 31, a column 32, a conveying roller 33, a circular table 34, a power unit 35, a rotating unit 36, and a balancing unit 37, the measuring table 31 is integrally of a "rectangular" structure and is fixedly connected with the upper end of the worktable 2, the measuring table 31 includes a feed inlet 311, a qualified product discharge outlet 312, a defective product discharge outlet 313, and a circular groove 314, the feed inlet 311 is opened at the left upper end of the measuring table 31, the qualified product discharge outlet 312 is opened at the right upper end of the measuring table 31, the defective product discharge outlet 313 is opened above the rear end of the measuring table 31, and the circular groove 314 is opened at the center of the measuring table 31.

In this embodiment, after the measurement, the product that meets the requirements is transported to next process through qualified product discharge gate 312 and is handled, and unqualified product is reworked through substandard product discharge gate 313, the effectual work efficiency that has improved.

Four upright columns 32 are arranged and are all fixedly arranged around the upper end of the measuring table 31.

The conveying rollers 33 are provided with a plurality of conveying rollers 33, the conveying rollers are respectively rotatably connected with inner cavities of the feeding hole 311, the qualified product discharging hole 312 and the defective product discharging hole 313, and each conveying roller 33 is arranged in each groove.

In this embodiment, the horizontal distance between every two adjacent conveying rollers 33 is the same, so that the operations of loading, measuring and discharging of the lithium battery cell are all very convenient and labor-saving, the measuring efficiency can be greatly improved, the device is suitable for assembly line type operation, and the working efficiency is improved.

The circular truncated cone 34 is positioned at the upper end of the circular groove 314 and is embedded with the circular groove, the power unit 35 is fixedly installed in an inner cavity of the circular groove 314, the power unit 35 comprises a bearing frame 351, a servo motor 352, a speed reducer 353 and a worm 354, a group of bearing frames 351 are arranged, and the worm 354 is rotatably connected between the two bearing frames 351.

In this embodiment, one end of the worm 354 extends through the sidewall of one of the bearing frames 351 to the outside to be connected to the servo motor 352.

In this embodiment, a reducer 353 is fixedly mounted on an outer side of an output shaft of the servo motor 352, and the reducer 353 is located between the servo motor 352 and one of the bearing frames 351.

The rotating unit 36 is located at the center of the circular groove 314, the rotating unit 36 includes a bearing seat 361, a rotating shaft 362 and a gear ring 363, the bearing seat 361 is fixedly installed at the center of the circular groove 314, the rotating shaft 362 is rotatably connected to the upper end of the bearing seat 361, and the gear ring 363 is sleeved at the middle position of the rotating shaft 362.

In this embodiment, the position of the gear ring 363 is in the same horizontal plane as the worm 354, the gear ring 363 is engaged with the worm 354, and the lead angle of the worm 354 is smaller than the equivalent friction angle of the gear ring 363, so that the worm 354 and the gear ring 363 have self-locking performance, the circular truncated cone 34 is ensured not to rotate randomly when the thickness is measured, and the measurement stability is improved.

In this embodiment, the upper end of pivot 362 is connected with round platform 34, drive worm 354 through the output shaft and rotate when pivot 362 starts, because of the relation of being connected for the meshing with pivot 362, pivot 362 rotates in step when worm 354 rotates, thereby drive round platform 34 and carry out clockwise or anticlockwise rotation, when lithium cell electricity core placed the upper end at round platform 34, rotatable a plurality of angles carry out thickness measurement, and obtain multiunit thickness data, recalculate the mean value then can press close to the true thickness value of lithium cell electricity core more, thereby measured data is more accurate, and is reliable, and is favorable to control and elimination error.

The balancing unit 37 is provided with a plurality of, generally three or more, equal distances distributed at the upper end of the circular groove 314, the balancing unit 37 comprises a support seat 371, a ball groove 372, a steel ball 373, an annular sheet 374 and a hemispherical shell 375, the support seat 371 is a square column integrally and fixedly connected with the inner cavity of the circular groove 314, the ball groove 372 is arranged at the upper end of the support seat 371, and the steel ball 373 is movably arranged in the inner cavity of the ball groove 372.

In this embodiment, the pore size of the ball groove 372 is larger than the diameter of the steel ball 373, so that the steel ball 373 can rotate freely in the inner cavity of the ball groove 372.

Annular piece 374 passes through screw fixed mounting in the upper end of supporting seat 371, and hemisphere shell 375 is "integrated into one piece" structure with annular piece 374, is located annular piece 374 inboard, and the round mouth that the aperture is less than steel ball 373 is seted up to the upper end of hemisphere shell 375.

In this embodiment, one side of steel ball 373 is exposed from the round mouth, has realized the installation to steel ball 373, and steel ball 373 is restricted inside the common space that forms of hemisphere shell 375, ball groove 372, can play the supporting role to round platform 34, has avoided round platform 34 to appear crooked problem, and steel ball 373 can roll in ball groove 372 is inside simultaneously to can not influence round platform 34's self-rotation again, improved the practicality of this device greatly.

Referring to fig. 1, the case 4 is located at the upper end of the workbench 2, the periphery of the case 4 is fixedly connected with the inner folded edge of the frame 22, and the lower end of the case 4 is fixedly connected with the top of the upright column 32, so that the overall stability of the case 4 is effectively ensured.

The case 4 includes a screen panel 41, a warning light 42, and an indicator light 43, wherein the screen panel 41 is disposed at a middle position outside the front end of the case 4, and is used for displaying various working parameters and measurement data of the thickness measurement device.

The warning lamps 42 are provided with a plurality of pressure upper limit warning lamps, pressure lower limit warning lamps and safety pressure warning lamps, the number of the warning lamps is three, the number of the warning lamps is the lower end of the screen panel 41, the number of the warning lamps is the pressure upper limit warning lamp, the number of the pressure lower limit warning lamp and the number of the safety pressure warning lamps are three, different lamps are turned on to represent the force application state of the upper surface of the lithium battery cell, and the pressure upper limit warning lamp is turned on to represent that the pressure is applied too much, so that the risk of damaging the lithium battery cell exists; if the pressure lower limit warning lamp is lightened, the pressure is excessively applied, and the error of the measured thickness is large; the safety pressure warning lamp is turned on, and the thickness measurement data is accurate at the moment; the pressing state can be effectively and conveniently known by operators visually and clearly, and the effectiveness of the measured data can be improved.

Indicator 43 fixed mounting is in the right-hand member outside of quick-witted case 4, and the effectual operating condition to quick-witted case 4 implements the control, has improved the practicality of this device.

Referring to fig. 1 and 6, the detecting unit 5 is fixedly mounted at the lower end of the case 4, the detecting unit 5 includes an air cylinder 51, a pressure head 52 and a pressure sensor 53, an output shaft of the air cylinder 51 is aligned with the circular truncated cone 34, the pressure head 52 is fixedly mounted at the tail end of the output shaft of the air cylinder 51, the pressure sensor 53 is provided with a plurality of pressure heads which are distributed on the lower surface of the pressure head 52 in an annular shape at equal intervals, the air cylinder 51 applies pressure downwards, the lower surface of the pressure head 52 is in contact with a battery cell, and the pressure sensor 53 transmits information to the case 4 for calculation, so that measured data are more accurate and reliable, and control and error elimination are facilitated.

In this embodiment, when the pressure of the pressure head 52 is too high, the pressure upper limit warning light is turned on, when the pressure of the pressure head 52 is too low, the pressure lower limit warning light is turned on, and when the pressure of the pressure head 52 is normal, the safety pressure warning light is turned on.

The working principle of the embodiment is as follows: staff starting drive, transfer cylinder 51's telescopic link to the original point, place the upper end of round platform 34 with lithium cell electricity core through feed inlet 311, control cylinder 51 through control panel 21 makes it exert pressure downwards, until pressure head 52 contacts with battery electricity core, detect the current pressure value through warning light 42, after pressure adjustment finishes, measure battery electricity core through pressure sensor 53, control servo motor 352 through control panel 21 makes it drive pivot 362 through worm 354 and rotate, and then make round platform 34 rotate with its upper end's battery electricity core clockwise or anticlockwise in step, make battery electricity core can adjust a plurality of angles and measure, with this obtain multiunit thickness data and calculate their average value, then can press close to the true thickness value of lithium cell electricity core more, thereby measured data is more accurate, reliable, after the measurement, the product that accords with the requirement transports next process through qualified product discharge gate 312 and handles, unqualified product returns through substandard product discharge gate 313, the utility model discloses a thickness measurement of a plurality of angles of electricity core, the effectual accuracy of guaranteeing data is reliable, and effectual the error nature that has reduced, and the battery electricity core is gone up and the operation is convenient greatly improved greatly in this device, the operation efficiency of the operation of the electric core of lithium cell.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell electricity core thickness measurement device which characterized in that: including workstation (2), measuring unit (3), detecting element (5), measuring unit (3) fixed mounting is on workstation (2), measuring unit (3) are including placing lithium cell electric core can pivoted round platform (34), and round platform (34) are aimed at to the telescopic link lower extreme of detecting element (5).

2. The lithium battery cell thickness measuring device of claim 1, characterized in that: the measuring unit (3) comprises a measuring table (31), a circular groove (314) is formed in the upper end center of the measuring table (31), a rotating unit (36) is arranged at the center of the circle of an inner cavity of the circular groove (314), the circular table (34) is arranged above the rotating unit (36), and a power unit (35) is connected to the outer side of the rotating unit (36) in a meshed mode.

3. The lithium battery cell thickness measuring device of claim 2, characterized in that: the power unit (35) comprises a group of bearing frames (351), a worm (354) is rotatably connected between the two bearing frames (351), one end of the worm (354) penetrates through one of the bearing frames (351) and extends to the outer side to be connected with a servo motor (352), the servo motor (352) is connected with the control panel (21) through a conducting wire, and a speed reducer (353) is installed on the outer side of an output shaft of the servo motor (352).

4. The lithium battery cell thickness measuring device of claim 2, characterized in that: the rotating unit (36) comprises a bearing seat (361), the upper end of the bearing seat (361) is rotatably connected with a rotating shaft (362), the upper end of the rotating shaft (362) is connected with the circular truncated cone (34), a gear ring (363) meshed with the rotating shaft (362) is sleeved on the outer side of the rotating shaft (362) and the worm (354) at the same horizontal height, and the lead angle of the worm (354) is smaller than the equivalent friction angle of the gear ring (363).

5. The lithium battery cell thickness measuring device of claim 2, characterized in that: the inner chamber equidistance of circular slot (314) is installed three and three above balance unit (37), balance unit (37) all include supporting seat (371), ball groove (372) have all been seted up to the upper end of supporting seat (371), the equal swing joint in inner chamber in ball groove (372) has steel ball (373).

6. The lithium battery cell thickness measuring device of claim 5, wherein: the edge position of the opening end of the ball groove (372) is fixedly connected with an annular sheet (374) through a screw, the inner side of the annular sheet (374) is provided with an integrally formed hemispherical shell (375), the upper end of the hemispherical shell (375) is provided with a round opening of which the diameter is smaller than that of the steel ball (373), and one side of the steel ball (373) is exposed out of the round opening.

7. The lithium battery cell thickness measuring device of claim 2, characterized in that: the conveying device is characterized in that a feeding hole (311) is formed in the upper end of the left side of the measuring table (31), a qualified product discharging hole (312) is formed in the upper end of the right side of the measuring table (31), a defective product discharging hole (313) is formed in the upper end of the rear portion of the measuring table (31), a plurality of conveying rollers (33) are rotatably connected to inner cavities of the feeding hole (311), the qualified product discharging hole (312) and the defective product discharging hole (313), and horizontal distances between every two adjacent conveying rollers (33) are the same.

8. The lithium battery cell thickness measuring device of claim 1, characterized in that: workstation (2) include control panel (21), workstation (2) all fixedly connected with frame (22), a plurality of all around of workstation (2) the upper end of frame (22) is connected with quick-witted case (4) jointly.

9. The lithium battery cell thickness measuring device of claim 2, characterized in that: the upper end of measuring table (31) all is fixedly connected with stand (32) all around, and is a plurality of the upper end of stand (32) all with the lower extreme fixed connection of quick-witted case (4).

10. The lithium battery cell thickness measuring device of claim 8, wherein: detection unit (5) include cylinder (51), the upper end of cylinder (51) and the lower extreme fixed connection of quick-witted case (4), telescopic shaft lower extreme fixedly connected with pressure head (52) of cylinder (51), just the lower surface equidistance of pressure head (52) is inlayed and is equipped with pressure sensor (53) that a plurality of is "annular" and distributes.