CN220472474U - Battery pole piece wave edge measuring device - Google Patents

Abstract

The utility model relates to a battery pole piece wave edge measuring device which comprises a measuring table, a tensioning assembly and a measuring assembly, wherein the tensioning assembly is arranged on the measuring table, the tensioning assembly is used for tensioning a pole piece to be measured, the measuring assembly comprises a pressing plate assembly and a pointer assembly, the pressing plate assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is movably and liftably arranged on the measuring table, the second pressing plate is liftably arranged on the measuring table, the first pressing plate is abutted against the maximum crest of the tensioned pole piece to be measured, the second pressing plate is abutted against the maximum trough of the tensioned pole piece to be measured, and the pointer assembly can measure the distance between the first pressing plate and the second pressing plate. The pressing plate assembly is abutted with the wave crest and the wave trough of the maximum wavy edge of the pole piece to be measured, a measuring reference is provided for the pointer assembly, the size of each wavy edge is not required to be measured one by one, the maximum value of the wavy edge of the pole piece to be measured can be directly obtained, the difference between the wavy edges with similar sizes is not required to be compared, the measuring time is short, and the accuracy of a measuring result is ensured.

Description

Battery pole piece wave edge measuring device

Technical Field

The utility model relates to the technical field of battery manufacturing equipment, in particular to a device for measuring the wavy edges of a battery pole piece.

Background

In the manufacturing process of the battery, the winding process of the pole piece is one of important processes, and the quality of the winding of the pole piece directly influences the performance of the battery in the aspects of capacity, circulation, safety and the like. The wavy edge of the pole piece affects winding, cutting, and the like in the winding process, and therefore, the wavy edge of the pole piece needs to be measured.

In the prior art, the pole piece wave edge measuring device comprises a measuring ruler and a support, the pole piece is horizontally arranged on the support, and an operator measures the maximum value of the wave edge on the pole piece by sliding the measuring ruler. In such a measurement mode, the sizes of a plurality of wavy edges on the pole piece need to be measured, the maximum value and the minimum value of the wavy edges are obtained through comparison, the difference of the numerical values of the wavy edges with similar sizes is difficult to measure, the measurement time is long, and the measurement result is inaccurate.

Therefore, there is a need for a device for measuring the wavy edges of battery pole pieces to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a battery pole piece wavy edge measuring device so as to solve the problems.

In order to achieve the above object, the present utility model provides a device for measuring a wavy edge of a battery pole piece, comprising:

a measuring station;

the tensioning assembly is arranged on the measuring table and can tension the pole piece to be measured;

the measuring assembly comprises a pressing plate assembly and a pointer assembly, the pressing plate assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is movably and liftably arranged on the measuring table, the second pressing plate is liftably arranged on the measuring table, the first pressing plate can be abutted against the wave crest of the maximum wave edge on the pole piece to be measured under tension, the second pressing plate can be abutted against the wave trough of the maximum wave edge on the pole piece to be measured under tension, and the pointer assembly can measure the distance between the first pressing plate and the second pressing plate.

Further, the measuring assembly comprises a first measuring seat and a second measuring seat, the first measuring seat is movably arranged on the measuring table, the second measuring seat is fixedly arranged on the measuring table, the first pressing plate is arranged on the first measuring seat in a lifting manner, and the second pressing plate is arranged on the second measuring seat in a lifting manner.

Further, a first scale is arranged on the first measuring seat, a second scale is arranged on the second measuring seat, and the pointer component can point to the first scale and the second scale so as to measure the distance between the first pressing plate and the second pressing plate.

Further, the pointer assembly comprises a first pointer and a second pointer, the first pointer is connected with the first pressing plate, the second pointer is connected with the second pressing plate, the first pointer points to the first scale, and the second pointer points to the second scale.

Further, the tensioning assembly comprises a tensioning roller and a balancing weight, the tensioning roller is mounted on the measuring table, the tensioning roller can support the pole piece to be measured, and the balancing weight can be arranged at the end part of the pole piece to be measured so as to tension the pole piece to be measured.

Further, the tensioning assembly further comprises a tensioning seat fixedly mounted on the measuring table, and the tensioning roller is mounted on the tensioning seat.

Further, the battery pole piece wave edge measuring device further comprises a moving assembly, the moving assembly comprises a moving screw and a moving screw, the moving screw is rotatably arranged on the first measuring seat, the moving screw is arranged on the first measuring seat in a lifting manner, the moving screw is in threaded connection with the moving screw, and the moving screw is connected with the first pressing plate.

Further, the pointer assembly includes a first pointer mounted on the mobile nut.

Further, the moving assembly further comprises a mounting plate, wherein the mounting plate is connected with the moving nut, and the mounting plate is connected with the first pressing plate.

Further, the battery pole piece wave edge measuring device further comprises a fixing assembly, the fixing assembly comprises a lifting screw and a lifting screw, the lifting screw is rotatably arranged on the second measuring seat, the lifting screw is arranged on the second measuring seat in a lifting manner, the lifting screw is in threaded connection with the lifting screw, and the lifting screw is connected with the second pressing plate.

The beneficial effects of the utility model are as follows:

the utility model provides a battery pole piece wavy edge measuring device which comprises a measuring table, a tensioning assembly and a measuring assembly, wherein the tensioning assembly is arranged on the measuring table, the tensioning assembly can tension a pole piece to be measured, the measuring assembly comprises a pressing plate assembly and a pointer assembly, the pressing plate assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is movably and liftably arranged on the measuring table, the second pressing plate is liftably arranged on the measuring table, the first pressing plate can be abutted with a crest of a maximum wavy edge on the tensioned pole piece to be measured, the second pressing plate can be abutted with a trough of the maximum wavy edge on the tensioned pole piece to be measured, and the pointer assembly can measure the distance between the first pressing plate and the second pressing plate. The tensioning assembly is used for simulating the winding force of the pole piece to be measured so as to detect the influence of the wavy edge on the pole piece to be measured on winding. The first pressing plate is moved to adapt to pole pieces to be measured with different widths; through lifting the first pressing plate and the second pressing plate to make the crest and trough butt of the maximum wave edge of pressing plate assembly and pole piece that awaits measuring, provide the measurement benchmark for the pointer assembly, need not measure the size of every wave edge one by one, just can directly obtain the maximum value of the wave edge of pole piece that awaits measuring, and need not compare the difference between the wave edges that the size is close, measuring time is short, guarantees measuring result's degree of accuracy.

Drawings

Fig. 1 is a schematic structural diagram of a battery pole piece wave edge measuring device provided by an embodiment of the utility model;

FIG. 2 is a schematic diagram of a mobile assembly according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of a fixing assembly according to an embodiment of the present utility model.

In the figure:

1. a measuring station; 2. a measurement assembly; 3. a tensioning assembly; 4. a moving assembly; 5. a fixing assembly;

21. a platen assembly; 22. a pointer assembly; 23. a first measuring seat; 24. a second measuring seat; 31. a tension roller; 32. a tensioning seat; 41. moving the lead screw; 42. moving the nut; 43. a guide rod; 44. a slide rail; 45. a slide block; 46. a mounting plate; 47. a rotating disc; 51. lifting a screw rod; 52. lifting the nut; 53. a slide bar; 54. a connecting plate; 55. an operation panel;

211. a first platen; 212. a second pressing plate; 221. a first pointer; 222. and a second pointer.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the present utility model, directional terms such as "upper", "lower", "left", "right", "inner" and "outer" are used for convenience of understanding, and thus do not limit the scope of the present utility model unless otherwise specified.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment provides a battery pole piece wave edge measuring device for measuring size data of a wave edge of a battery pole piece, and the device is convenient to control and analyze the generation of the wave edge.

As shown in fig. 1, this battery pole piece wave side measuring device includes measuring table 1, measuring subassembly 2 and tensioning subassembly 3, tensioning subassembly 3 installs on measuring table 1, tensioning subassembly 3 can the tensioning pole piece that awaits measuring, measuring subassembly 2 includes clamp plate subassembly 21 and pointer subassembly 22, clamp plate subassembly 21 includes first clamp plate 211 and second clamp plate 212, first clamp plate 211 is portable, liftable setting is on measuring table 1, second clamp plate 212 liftable setting is on measuring table 1, first clamp plate 211 can with the crest butt of the maximum wave limit on the pole piece that awaits measuring of tensioning, second clamp plate 212 can with the trough butt of the maximum wave limit on the pole piece that awaits measuring of tensioning, pointer subassembly 22 can measure the distance between first clamp plate 211 and the second clamp plate 212. The tensioning assembly 3 is used for simulating the winding force of the pole piece to be measured so as to detect the influence of the wavy edge on the pole piece to be measured on winding. By moving the first pressing plate 211, the pole pieces to be measured with different widths are adapted; the first pressing plate 211 and the second pressing plate 212 are lifted, so that the pressing plate assembly 21 is abutted against the wave crest and the wave trough of the maximum wavy edge of the pole piece to be measured, a measuring reference is provided for the pointer assembly 22, the maximum value of the wavy edge of the pole piece to be measured can be directly obtained without measuring the size of each wavy edge one by one, the difference between the wavy edges with similar sizes is not required to be compared, the measuring time is short, and the accuracy of a measuring result is ensured.

Specifically, the moving direction of the first pressing plate 211 is the width direction of the pole piece to be measured.

Further, the tensioning assembly 3 comprises a tensioning roller 31 and a balancing weight, the tensioning roller 31 is mounted on the measuring table 1, the tensioning roller 31 can support the pole piece to be measured, and the balancing weight can be arranged at the end part of the pole piece to be measured to tension the pole piece to be measured. The tensioning roller 31 is used as an inflection point support, and the end part of the pole piece to be tested naturally sags under the action of the gravity of the balancing weight after bypassing the tensioning roller 31.

Specifically, the tension force formed by the balancing weight on the pole piece to be measured is 20N, and the balancing weight is used for simulating the winding force of the pole piece to be measured so as to detect the influence of the wavy edge on the pole piece to be measured on winding during winding. The pole piece to be measured just has initial wave limit before the winding, and after the tensioning force was exerted on the pole piece to be measured, the wave limit on the pole piece to be measured probably can be leveled even disappear, and perhaps still there is some remaining wave limit, and the wave limit that is leveled even disappears does not have the influence on subsequent winding, and remaining wave limit needs to be through the relevant size of battery pole piece wave limit measuring device measurement wave limit that this embodiment provided, is convenient for manage and control and analysis wave limit's production.

When the measured size of the wavy edge does not meet the standard, the wavy edge needs to be traced back to where the wavy edge appears in the process before the pole piece, and parameters in the process of the wavy edge are correspondingly adjusted, so that the occurrence of the wavy edge of the pole piece is reduced, and the follow-up winding process is convenient to carry out.

Further, the tensioning assembly 3 further comprises a tensioning seat 32, the tensioning seat 32 is fixedly mounted on the measuring table 1, and the tensioning roller 31 is mounted on the tensioning seat 32.

In this embodiment, the number of the tensioning assemblies 3 is two, and the two groups of tensioning assemblies 3 are arranged at intervals along the length direction of the pole piece to be tested, so as to tension the pole piece to be tested from two sides of the pole piece to be tested.

Further, the measuring assembly 2 includes a first measuring seat 23 and a second measuring seat 24, the first measuring seat 23 is movably disposed on the measuring table 1, the second measuring seat 24 is fixedly mounted on the measuring table 1, the first pressing plate 211 is liftably disposed on the first measuring seat 23, and the second pressing plate 212 is liftably disposed on the second measuring seat 24.

Further, the first measuring seat 23 is provided with a first scale, the second measuring seat 24 is provided with a second scale, and the pointer assembly 22 can point to the first scale and the second scale to measure the distance between the first pressing plate 211 and the second pressing plate 212. Because of the abutting relationship between the pressing plate assembly 21 and the pole piece to be measured, the distance between the first pressing plate 211 and the second pressing plate 212 is the distance between the peak and the trough of the maximum wavy edge on the pole piece to be measured, namely the maximum value of the wavy edge of the pole piece to be measured.

Further, the pointer assembly 22 includes a first pointer 221 and a second pointer 222, the first pointer 221 is connected to the first platen 211, the second pointer 222 is connected to the second platen 212, the first pointer 221 points to the first scale, and the second pointer 222 points to the second scale.

Specifically, the reference of the first scale and the second scale are the same, and thus, the distance between the first platen 211 and the second platen 212 can be obtained by reading the value pointed by the first pointer 221 and the value pointed by the second pointer 222 and calculating the difference between the values.

As shown in fig. 2, the device for measuring the wavy edge of the battery pole piece further comprises a moving assembly 4, wherein the moving assembly 4 is used for driving the first pressing plate 211 to move on the measuring table 1 so as to adapt to pole pieces to be measured with different widths.

Further, the moving assembly 4 includes a moving screw 41 and a moving screw 42, the moving screw 41 is rotatably disposed on the first measuring seat 23, the moving screw 42 is liftably disposed on the first measuring seat 23, the moving screw 42 is in threaded connection with the moving screw 41, and the moving screw 42 is connected with the first pressing plate 211. The moving screw 41 rotates to drive the moving screw 42 to lift on the first measuring seat 23, and further drive the first pressing plate 211 to lift.

Further, the moving assembly 4 further includes a guide rod 43, the guide rod 43 is fixedly mounted on the first measuring seat 23, the guide rod 43 extends along the lifting direction, and the moving nut 42 is slidably disposed on the guide rod 43. The guide rod 43 is provided to prevent the movable screw 41 from transmitting the rotation form to the movable screw 42.

Further, along the length direction of the pole piece to be measured, guide rods 43 are arranged on both sides of the moving screw 41, so that the lifting stability of the moving screw 42 is increased.

Further, the moving assembly 4 further comprises a rotating disc 47, the rotating disc 47 is coaxially connected with the moving screw 41, and the moving screw 41 can be driven to rotate by manually rotating the rotating disc 47.

Further, the pointer assembly 22 includes a first pointer 221, the first pointer 221 being mounted on the moving nut 42. The moving screw 42 is lifted to drive the first pointer 221 to lift, so that the position data of the first pressing plate 211 in the lifting direction can be obtained conveniently through the first pointer 221.

Further, the moving assembly 4 further includes a mounting plate 46, the mounting plate 46 is connected to the moving nut 42, and the mounting plate 46 is connected to the first pressing plate 211.

As shown in fig. 1 and fig. 2, the number of the moving assemblies 4 is two, the two moving assemblies 4 are arranged at intervals along the length direction of the pole piece to be measured, and the moving assemblies 4 are arranged in one-to-one correspondence with the first measuring seats 23. This arrangement makes the movement of the first pressing plate 211 more stable.

As shown in fig. 1-3, the moving assembly 4 further includes a sliding assembly, the sliding assembly includes a sliding rail 44 and a sliding block 45, the sliding rail 44 is fixedly mounted on the measuring table 1, the sliding rail 44 extends along the width direction of the pole piece to be measured, the sliding block 45 is slidably disposed on the sliding rail 44, and the sliding block 45 is connected with the first measuring seat 23.

Further, the sliding components are arranged in one-to-one correspondence with the first measuring seats.

As shown in fig. 1 and 4, the device for measuring the wave edge of the battery pole piece further comprises a fixing component 5, the fixing component 5 comprises a lifting screw 51 and a lifting screw 52, the lifting screw 51 is rotatably arranged on the second measuring seat 24, the lifting screw 52 is arranged on the second measuring seat 24 in a lifting manner, the lifting screw 52 is in threaded connection with the lifting screw 51, and the lifting screw 52 is connected with the second pressing plate 212. The lifting screw 51 rotates to drive the lifting screw 52 to lift on the second measuring seat 24, and further drive the second pressing plate 212 to lift.

Further, the fixing assembly 5 further includes a sliding rod 53, the sliding rod 53 is fixedly mounted on the second measuring seat 24, the sliding rod 53 extends along the lifting direction, and the lifting nut 52 is slidably disposed on the sliding rod 53. The slide bar 53 is provided to prevent the lead screw 51 from transmitting the rotation form to the lift screw 52.

Further, along the length direction of the pole piece to be detected, sliding rods 53 are arranged on two sides of the lifting screw rod 51 so as to increase the lifting stability of the lifting screw nut 52.

Further, the fixing assembly 5 further comprises an operation panel 55, the operation panel 55 is coaxially connected with the lifting screw 51, and the lifting screw 51 can be driven to rotate by manually rotating the operation panel 55.

Further, the pointer assembly 22 includes a second pointer 222, and the second pointer 222 is mounted on the lifting screw 52. The lifting screw 52 lifts and lowers to drive the second pointer 222 to lift, so that position data of the second pressing plate 212 in the lifting direction can be obtained through the second pointer 222, and the maximum value of the wavy edge on the pole piece can be obtained.

Further, the fixing assembly 5 further includes a connection plate 54, the connection plate 54 is connected with the lifting screw 52, and the connection plate 54 is connected with the second pressing plate 212.

Further, the number of the fixing assemblies 5 is two, the two fixing assemblies 5 are arranged at intervals along the length direction of the pole piece to be measured, and the fixing assemblies 5 are arranged in one-to-one correspondence with the second measuring seats 24. This arrangement makes the movement of the second platen 212 more stable.

While the utility model has been described in detail in the foregoing general description, embodiments and experiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a battery pole piece wave limit measuring device which characterized in that includes:

a measuring table (1);

the tensioning assembly (3) is mounted on the measuring table (1), and the tensioning assembly (3) can tension a pole piece to be measured;

the measuring assembly (2) comprises a pressing plate assembly (21) and a pointer assembly (22), the pressing plate assembly (21) comprises a first pressing plate (211) and a second pressing plate (212), the first pressing plate (211) is movably and liftably arranged on the measuring table (1), the second pressing plate (212) is liftably arranged on the measuring table (1), the first pressing plate (211) can be abutted against the peak of the maximum wave edge on the tensioned pole piece to be measured, the second pressing plate (212) can be abutted against the trough of the maximum wave edge on the tensioned pole piece to be measured, and the pointer assembly (22) can measure the distance between the first pressing plate (211) and the second pressing plate (212).

2. The battery pole piece wavy edge measuring device according to claim 1, wherein the measuring assembly (2) comprises a first measuring seat (23) and a second measuring seat (24), the first measuring seat (23) is movably arranged on the measuring table (1), the second measuring seat (24) is fixedly arranged on the measuring table (1), the first pressing plate (211) is arranged on the first measuring seat (23) in a lifting manner, and the second pressing plate (212) is arranged on the second measuring seat (24) in a lifting manner.

3. The battery pole piece wavy edge measuring device according to claim 2, wherein a first scale is arranged on the first measuring seat (23), a second scale is arranged on the second measuring seat (24), and the pointer assembly (22) can point to the first scale and the second scale so as to measure the distance between the first pressing plate (211) and the second pressing plate (212).

4. A battery pole piece wavy edge measuring device according to claim 3, wherein the pointer assembly (22) comprises a first pointer (221) and a second pointer (222), the first pointer (221) is connected with the first pressing plate (211), the second pointer (222) is connected with the second pressing plate (212), the first pointer (221) points to the first scale, and the second pointer (222) points to the second scale.

5. The battery pole piece wavy edge measuring device according to claim 1, wherein the tensioning assembly (3) comprises a tensioning roller (31) and a balancing weight, the tensioning roller (31) is mounted on the measuring table (1), the tensioning roller (31) can support a pole piece to be measured, and the balancing weight can be arranged at the end part of the pole piece to be measured so as to tension the pole piece to be measured.

6. The battery pole piece wavy edge measuring device according to claim 5, wherein the tensioning assembly (3) further comprises a tensioning seat (32), the tensioning seat (32) is fixedly mounted on the measuring table (1), and the tensioning roller (31) is mounted on the tensioning seat (32).

7. The battery pole piece wavy edge measuring device according to claim 2, further comprising a moving assembly (4), wherein the moving assembly (4) comprises a moving screw (41) and a moving screw (42), the moving screw (41) is rotatably arranged on the first measuring seat (23), the moving screw (42) is arranged on the first measuring seat (23) in a lifting manner, the moving screw (42) is in threaded connection with the moving screw (41), and the moving screw (42) is connected with the first pressing plate (211).

8. The battery pole piece wavy edge measurement device of claim 7, wherein the pointer assembly (22) comprises a first pointer (221), the first pointer (221) being mounted on the moving nut (42).

9. The battery pole piece wavy edge measurement device according to claim 7, wherein the moving assembly (4) further comprises a mounting plate (46), the mounting plate (46) is connected with the moving nut (42), and the mounting plate (46) is connected with the first pressing plate (211).

10. The battery pole piece wavy edge measuring device according to claim 2, further comprising a fixing component (5), wherein the fixing component (5) comprises a lifting screw rod (51) and a lifting screw nut (52), the lifting screw rod (51) is rotatably arranged on the second measuring seat (24), the lifting screw nut (52) is arranged on the second measuring seat (24) in a lifting manner, the lifting screw nut (52) is in threaded connection with the lifting screw rod (51), and the lifting screw nut (52) is connected with the second pressing plate (212).