CN218002437U - Battery cell flatness measuring device - Google Patents

Abstract

The utility model provides an electricity core plane degree measuring device fixes electricity core shell position through the spacing subassembly that sets up, and rethread removal subassembly and adjusting part's cooperation make the test probe remove on the electricity core surface, and the measuring part of setting can obtain measured data, and then can detect the protruding or sunken situation on the arbitrary surface of electricity core shell, makes things convenient for electricity core research processing procedure to use; meanwhile, the arranged protective pad has protective and anti-skid effects on the cell shell, so that the measurement process is more stable; and the connecting assembly and the adjusting assembly which are arranged both adopt detachable structures, so that the structure is simple, the assembly and the disassembly are convenient, and the practicability is improved.

Description

Battery cell flatness measuring device

Technical Field

The utility model relates to a technical field is measured to the electricity core shell, especially relates to an electricity core plane degree measuring device.

Background

Along with the quick popularization of lithium ion battery application, performance requirement to electric core is more and more high, each battery factory is for improving electric core energy density, the casing thickness of electric core is constantly attenuate, there can be the multiplex preface to the inside malleation that carries on of electricity core casing in the manufacturing process of electric core and take out the negative pressure, simultaneously electricity core inside can produce certain gas when carrying out the chemical reaction, these all make thin wall casing produce the deformation easily, the deformation of electricity core casing influences the use of electric core module and shell package blue membrane production bubble is done over again, consequently, can use measuring device when studying the influence of each process parameter to casing deformation.

Chinese patent publication No. CN 213422114U discloses a cell flatness detection mechanism, which adopts sensor correlation detection, places the cell on a placing table, and adopts a structure for detecting whether the cell surface has bulges or unevenness under the action of reciprocating transmission, but the detection mechanism can only detect whether the side surface of the cell has bulges, and cannot detect the surface bulges or depressions at both ends in the thickness direction, which is not convenient for cell research process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electricity core plane degree measuring device has the clamping function, and can detect the protruding or sunken situation on the arbitrary surface of electricity core shell.

The technical scheme of the utility model is realized like this: the utility model provides a cell flatness measuring device, which comprises a placing table, a measuring piece, a moving component, an adjusting component and a limiting component, wherein,

the placing table is used for placing the battery cell shell;

the moving assembly is arranged above the placing table and comprises a movable end moving along the length horizontal extending direction of the placing table;

the adjusting assembly is connected with the movable end and is used for adjusting the position of the measuring piece in the direction extending horizontally along the width of the placing table and vertically extending along the height of the placing table;

the measuring part is connected with the adjusting component far away from the movable end, and the moving component and the adjusting component drive the measuring part to move on the surface of the electric core shell;

the limiting assembly comprises a plurality of elastic pieces and two clamping plates, wherein,

the elastic pieces are respectively arranged on two opposite sides of the end surface of the placing table;

the two clamping plates are arranged across the plurality of elastic pieces on the same side of the end face of the placing table and fixedly connected with the elastic pieces, and the elastic pieces deform to push the clamping plates to clamp the cell shell.

On the basis of the above technical solution, it is preferable that the device further comprises a connecting assembly for detachably fixing the adjusting assembly and the moving assembly, wherein,

the connecting assembly comprises a fixing block, a fixing rod and a first fastener, wherein,

the fixed block is arranged on the movable end;

the fixing rod is connected in the fixing block in a sliding mode along the longitudinal direction;

the first fastening piece is arranged on the side face of the fixing block, and one end face, close to the fixing block, of the first fastening piece is abutted to the outer wall of the fixing rod.

On the basis of the above technical solution, preferably, the adjusting assembly includes a connecting block, a second fastening member, a connecting rod and a third fastening member, wherein,

the connecting block slides outside the fixing rod along the axial direction of the fixing rod;

the second fastening piece is arranged on one side close to the fixing rod and used for fixing the position of the connecting block;

the connecting rod is connected in the connecting block in a sliding manner along the vertical direction and is perpendicular to the fixing rod;

the third fastening piece is arranged on one side of the connecting block, which is far away from the second fastening piece, and is used for fixing the position of the connecting rod,

the measuring piece is fixed on the connecting rod and is parallel to the connecting rod.

On the basis of the above technical solution, preferably, the moving assembly further includes a linear guide connected to the placing table, and the movable end is slidably connected to the linear guide.

On the basis of the above technical solution, preferably, the device further comprises a placing groove, wherein,

the placing groove is formed in one side face, close to the moving assembly, of the placing table and is located in the middle of the placing table, and different surfaces of the battery cell shell are respectively abutted to the surfaces of the placing groove.

Further preferably, the elastic member is a spring.

Further preferably, the limiting component further comprises a fixing hole, a limiting rod and a limiting plate, wherein,

the fixing holes are formed in the placing table, and the number and the positions of the fixing holes correspond to those of the elastic pieces;

the limiting rod is connected in the fixing hole in a sliding mode along the length direction of the placing table, penetrates through the elastic piece and is fixed with the clamping plate;

the limiting plate is fixed on one side of the clamping plate far away from the limiting rod, and the size of the limiting plate is larger than that of the fixing hole.

Still further preferably, the position limiting assembly further comprises a protective pad, wherein

The protection pad, quantity is two, just two protection pads set up respectively two splint the relative one side, the protection pad is rubber buffer.

On the basis of the technical scheme, preferably, the measuring part is a digital display dial indicator.

The utility model discloses an electricity core plane degree measuring device has following beneficial effect for prior art:

(1) The position of the electric core shell is fixed through the arranged limiting assembly, the test probe moves on the surface of the electric core through the matching of the moving assembly and the adjusting assembly, the arranged measuring piece can obtain measuring data, and further the protruding or sinking condition of any surface of the electric core shell can be detected, so that the electric core is convenient to use in a research process;

(2) The arranged protective pad has the effects of protecting and preventing the cell shell from skidding, so that the measurement process is more stable; (3) The connecting component and the adjusting component which are arranged are of detachable structures, the structure is simple, the dismounting is convenient, and the practicability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a cell flatness measuring apparatus of the present invention;

fig. 2 is a front view of a cell flatness measuring apparatus of the present invention;

fig. 3 isbase:Sub>A sectional view ofbase:Sub>A-base:Sub>A portion of the electrical core flatness measuring apparatus of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a cell flatness measuring device, it is including placing platform 1, measuring part 2, removal subassembly 3, adjusting part 4, coupling assembling 5, standing groove 6 and spacing subassembly 7.

Place platform 1 and be used for placing electric core casing, place platform 1 and have two side portions and a portion of placing, two side portions all set up the same side of portion of placing, and two side portions set up with the horizontal direction central line vertical plane symmetry of portion of placing, and the shape of portion of placing is triangle-shaped, and the linear guide of removal subassembly 3 fixes between the one end that side portions were kept away from to two portions of placing, places platform 1 structure as an organic whole.

Measuring part 2 is used for measuring the roughness of electric core casing, wherein, measuring part 2 sets up on adjusting part 4, measuring part 2 is the digital display percentage table, can adopt the chinese patent of disclosing for CN203881236U to disclose an intelligent digital display percentage table, wherein the theory of operation of digital display percentage table is the little rectilinear movement of measuring staff that will be surveyed the size and arouse, enlarge through gear drive, show the size of being surveyed the size through electronic display screen display, this is prior art, no longer do too much to describe repeatedly.

The digital display dial indicator is in signal transmission with the external computer through a data line, and data during measurement are displayed on the external computer.

As shown in fig. 1, the x direction is a lateral direction, wherein the lateral direction is a length horizontal extension direction of the placing table 1, the y direction is a longitudinal direction, wherein the longitudinal direction is a width horizontal extension direction of the placing table 1, and the z direction is a vertical direction, wherein the vertical direction is a height vertical extension direction of the placing table 1.

The moving assembly 3 is used for carrying out lateral shifting's structure to measuring part 2, and wherein, the moving assembly 3 sets up in the top of placing platform 1, and the moving assembly 3 includes the movable end 31 that moves along the horizontal extending direction of the length of placing platform 1, and the moving assembly 3 still includes the linear guide who is connected with placing platform 1, and movable end 31 and linear guide sliding connection, the moving direction of movable end 31 and the lateral direction of placing platform 1 are in the parallel state each other.

An adjusting assembly 4 is connected to the movable end 31, the adjusting assembly 4 being used to adjust the position of the measuring element 2 in the horizontal extension direction of the width of the placing table 1 and in the vertical extension direction of the height of the placing table 1.

It should be noted that, carry out vertical and vertical direction's regulation to measuring part 2 through adjusting part 4, make measuring part 2's test probe and the electric core surface contact that awaits measuring, rethread removal subassembly 3 drives test probe and removes at electric core surface, and measuring part 2 obtains accurate measured value, and then can detect the protruding or sunken situation on the arbitrary surface of electric core casing, makes things convenient for electric core research processing procedure to use.

As a preferred embodiment, the connecting assembly 5 is used for detachably fixing the adjusting assembly 4 and the moving assembly 3, the connecting assembly 5 includes a fixed block 51, a fixed rod 52 and a first fastening member 53, the fixed block 51 is disposed on the movable end 31, the fixed rod 52 is slidably connected in the fixed block 51 along the longitudinal direction, the first fastening member 53 is disposed on the side surface of the fixed block 51, and one end surface of the first fastening member 53 near the fixed block 51 abuts against the outer wall of the fixed rod 52.

It should be noted that, the first fastening member 53 includes a first threaded hole provided in the fixing block 51 and a first threaded rod screwed into the first threaded hole, and when fastening, the fixing rod 52 is inserted into the fixing block 51, and then the first threaded rod is rotated to abut against the outer side of the fixing rod 52, so as to fix the position of the fixing rod 52 by friction, and by using this structure, the adjusting assembly 4 connected to the connecting assembly 5 can be conveniently detached.

As a preferred embodiment, the adjusting assembly 4 includes a connecting block 41, a second fastening member 42, a connecting rod 43 and a third fastening member 44, the connecting block 41 slides outside the fixing rod 52 along the axial direction of the fixing rod 52, the second fastening member 42 is disposed at a side close to the fixing rod 52 for fixing the position of the connecting block 41, the connecting rod 43 is slidably connected in the connecting block 41 along the vertical direction, and the connecting rod 43 is perpendicular to the fixing rod 52, the third fastening member 44 is disposed at a side of the connecting block 41 away from the second fastening member 42 for fixing the position of the connecting rod 43, and the measuring member 2 is fixed on the connecting rod 43 and parallel to the connecting rod 43.

Wherein, second fastener 42 slides along the axial direction of dead lever 52 through connecting block 41 including seting up the second screw hole and the second threaded rod of threaded connection in the second screw hole in connecting block 41 one side, adjusts the assigned position back, through the lateral wall looks butt that rotates second threaded rod and dead lever 52, accomplishes connecting block 41 rigidity, and then can remove connecting block 41 in longitudinal direction.

The third fastening piece 44 includes a third threaded hole and a third threaded rod, wherein the third threaded hole is formed in one side, away from the second threaded hole, of the connecting block 41, the third threaded rod is in threaded connection with the third threaded hole, and after the vertical height of the connecting rod 43 is adjusted to the designated position, the third threaded rod is in abutting connection with the outer side wall of the connecting rod 43 in a rotating mode, the connecting rod 43 is fixed in position, and then the connecting rod 43 can be moved in the longitudinal direction.

It should be noted that, the adjustable measuring part 2 with the structure can be adjusted in the longitudinal direction and the vertical direction, and can be disassembled at the same time, thereby being convenient for installation and assembly.

As a preferred embodiment, the battery cell casing further comprises a placing groove 6, the placing groove 6 is formed on a side surface of the placing table 1 close to the moving assembly 3 and is located at a middle position of the placing table 1, and different surfaces of the battery cell casing and the surfaces of the placing groove 6 respectively abut against each other.

It should be noted that, the placing groove 6 is octagonal, and the advantage of the design is that when protrusions appear on two sides of the cell shell, a part of space is reserved at the protrusion part of the placing groove 6 which is octagonal, so that the cell to be tested can be placed conveniently, and the stability of detection is improved.

Spacing subassembly 7 is used for fixing electricity core shell position, and spacing subassembly 7 includes a plurality of elastic component 71 and two splint 72, and a plurality of elastic component 71 set up respectively and are placing the relative both sides of platform 1 terminal surface, and two splint 72 stride establish place a plurality of elastic component 71 of platform 1 terminal surface with one side to with elastic component 71 fixed connection, elastic component 71 takes place deformation and promotes splint 72 to the centre gripping of electricity core shell.

It should be noted that, by respectively pressing the two clamping plates 72 to move toward the opposite side, the clamping plates 72 press the elastic member 71 to generate stress compression, and then the battery cell casing is placed between the two clamping plates 72, and the elastic reset by the elastic member 71 respectively pushes the two clamping plates 72 to move close to each other, so as to clamp and fix the battery cell casing, thereby satisfying the requirement of measuring different sides of the battery cell casing.

Specifically, the elastic member 71 used in the present embodiment is a spring.

In addition, the limiting assembly 7 further comprises fixing holes 73, limiting rods 74 and limiting plates 75, the fixing holes 73 are all formed in the placing table 1, the number and the positions of the fixing holes 73 correspond to those of the elastic pieces 71, the limiting rods 74 are slidably connected in the fixing holes 73 along the length direction of the placing table 1 and penetrate through the elastic pieces 71 to be fixed with the clamping plates 72, the limiting plates 75 are fixed on one sides, far away from the clamping plates 72, of the limiting rods 74, and the size of the limiting plates 75 is larger than the diameter of the fixing holes 73.

It should be noted that, the limiting rod 74 is arranged to move in the fixing hole 73, and meanwhile, one end of the limiting rod 74 is fixed to the clamping plate 72, so that the clamping plate 72 deforms, the limiting rod 74 can play a guiding role, the clamping plate 72 moves in the horizontal linear direction, and the limiting plate 75 is arranged to limit the moving stroke of the limiting rod 74, so that the limiting rod 74 is moved out of the fixing hole 73 in the resetting process of the elastic member 71, and the cell shell is clamped more stably.

And, spacing subassembly 7 still includes protection pad 76, and protection pad 76 quantity is two, and two protection pads 76 set up respectively in the relative one side of two splint 72, and protection pad 76 is the rubber buffer pad.

It should be noted that the protection pad 76 can avoid the direct contact between the clamp plate 72 and the surface of the battery cell casing, so that the scratch situation can be prevented in the clamping process, the protection effect can be achieved, and the anti-skid effect can be achieved through the protection pad 76 made of rubber, so that the clamp plate 72 can clamp the battery cell casing more stably.

The utility model discloses a theory of operation:

firstly, placing the cell shell on a placing table 1, respectively extruding two clamping plates 72 to move towards the opposite sides during placing, extruding an elastic piece 71 by the clamping plates 72 to generate stress compression, placing the cell shell in a placing groove 6 between the two clamping plates 72, then loosening the elastic piece 71, respectively pushing the two clamping plates 72 to move close to each other through elastic reset of the elastic piece 71, and clamping the cell shell between two protective pads 76;

then, according to the height and the front-back position of the cell shell, the front-back sliding is performed on the fixing rod 52 through the connecting block 41, the fixing is performed through the second fastening piece 42, the front-back position of the measuring piece 2 can be adjusted, the vertical sliding is performed on the connecting block 41 through the connecting rod 43, the fixing is performed through the third fastening piece 44, the height position of the measuring piece 2 can be adjusted, and the test probe of the measuring piece 2 is in contact with the surface of the cell shell to be tested;

then, the movable end 31 of the moving component 3 linearly moves the whole adjusting component 4 to drive the test probe of the measuring part 2 to move on the surface of the electric core shell, the detected data of the measuring part 2 is transmitted to an external computer through a data line, and the measured data is obtained through analysis, so that the electric core research process is facilitated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a battery core plane degree measuring device which characterized in that: which comprises a placing table (1), a measuring piece (2), a moving component (3), an adjusting component (4) and a limiting component (7), wherein,

the placing table (1) is used for placing the battery cell shell;

the moving assembly (3) is arranged above the placing table (1), and the moving assembly (3) comprises a movable end (31) moving along the length horizontal extending direction of the placing table (1);

the adjusting assembly (4) is connected with the movable end (31), and the adjusting assembly (4) is used for adjusting the position of the measuring piece (2) along the width horizontal extending direction of the placing table (1) and the height vertical extending direction of the placing table (1);

the measuring part (2) is connected with the adjusting component (4) far away from the movable end (31), and the moving component (3) and the adjusting component (4) drive the measuring part (2) to move on the surface of the electric core shell;

the limiting component (7) comprises a plurality of elastic pieces (71) and two clamping plates (72),

the elastic pieces (71) are respectively arranged on two opposite sides of the end surface of the placing table (1);

the two clamping plates (72) span the elastic pieces (71) on the same side of the end face of the placing table (1) and are fixedly connected with the elastic pieces (71), and the elastic pieces (71) deform to push the clamping plates (72) to clamp the battery cell shell.

2. The cell flatness measuring apparatus of claim 1, wherein: further comprising a connecting assembly (5), wherein the connecting assembly (5) is used for dismounting and fixing the adjusting assembly (4) and the moving assembly (3),

the connecting component (5) comprises a fixing block (51), a fixing rod (52) and a first fastener (53), wherein,

the fixed block (51) is arranged on the movable end (31);

the fixing rod (52) is connected in the fixing block (51) in a sliding mode along the longitudinal direction;

the first fastening piece (53) is arranged on the side face of the fixing block (51), and one end face, close to the fixing block (51), of the first fastening piece (53) is abutted to the outer wall of the fixing rod (52).

3. The cell flatness measurement apparatus of claim 2, wherein: the adjusting assembly (4) comprises a connecting block (41), a second fastening member (42), a connecting rod (43) and a third fastening member (44), wherein,

the connecting block (41) slides outside the fixing rod (52) along the axial direction of the fixing rod (52);

the second fastening piece (42) is arranged on one side close to the fixing rod (52), and the second fastening piece (42) is used for fixing the position of the connecting block (41);

the connecting rod (43) is connected in the connecting block (41) in a sliding mode along the vertical direction, and the connecting rod (43) is perpendicular to the fixing rod (52);

the third fastening piece (44) is arranged on one side of the connecting block (41) far away from the second fastening piece (42), the third fastening piece (44) is used for fixing the position of the connecting rod (43),

the measuring piece (2) is fixed on the connecting rod (43) and is parallel to the connecting rod (43).

4. The cell flatness measurement apparatus of claim 1, wherein: the moving assembly (3) further comprises a linear guide rail connected with the placing table (1), and the movable end (31) is connected with the linear guide rail in a sliding mode.

5. The cell flatness measuring apparatus of claim 1, wherein: also comprises a placing groove (6), wherein,

the battery cell shell is characterized in that the placing groove (6) is formed in one side face, close to the moving assembly (3), of the placing table (1) and is located in the middle of the placing table (1), and different surfaces of the battery cell shell are respectively abutted to the surfaces of the placing groove (6).

6. The cell flatness measuring apparatus of claim 1, wherein: the elastic piece (71) is a spring.

7. The cell flatness measurement apparatus of claim 1, wherein: the limiting component (7) also comprises a fixing hole (73), a limiting rod (74) and a limiting plate (75), wherein,

the fixing holes (73) are all formed in the placing table (1), and the number and the positions of the fixing holes (73) correspond to those of the elastic pieces (71);

the limiting rod (74) is connected in the fixing hole (73) in a sliding mode along the length direction of the placing table (1), penetrates through the elastic piece (71) and is fixed with the clamping plate (72);

the limiting plate (75) is fixed on one side, away from the clamping plate (72), of the limiting rod (74), and the size of the limiting plate (75) is larger than the diameter of the fixing hole (73).

8. The cell flatness measurement apparatus of claim 1, wherein: the limiting assembly (7) further comprises a protective pad (76), wherein

The number of the protection pads (76) is two, the two protection pads (76) are respectively arranged on the opposite sides of the two clamping plates (72), and the protection pads (76) are rubber cushion pads.

9. The cell flatness measuring apparatus of claim 1, wherein: the measuring part (2) is a digital display dial indicator.

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