CN209773076U - Mechanism for measuring thickness of pole piece in closed loop - Google Patents
Mechanism for measuring thickness of pole piece in closed loop Download PDFInfo
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- CN209773076U CN209773076U CN201920543964.9U CN201920543964U CN209773076U CN 209773076 U CN209773076 U CN 209773076U CN 201920543964 U CN201920543964 U CN 201920543964U CN 209773076 U CN209773076 U CN 209773076U
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- pole piece
- thickness
- closed loop
- thickness measuring
- control signal
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- Battery Electrode And Active Subsutance (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a mechanism of closed loop measurement pole piece thickness, including the frame that is used for the fixed roll, N thickness measurement instrument fixed connection that is used for detecting pole piece thickness is in the frame of rolling pole piece exit, and the pole piece top is arranged in to the thickness measurement instrument, and N thickness measurement instrument mutual interval sets up in pole piece width direction, and wherein N is greater than or equal to 1. The utility model discloses can the accurate measurement pole piece thickness to the feedback is quick. The utility model is suitable for an among lithium-ion battery pole piece's the rolling process for the thickness of accurate measurement pole piece.
Description
Technical Field
The utility model belongs to the technical field of lithium cell production facility, relate to pole piece thickness measurement, specifically speaking are mechanism of closed loop measurement pole piece thickness.
Background
In the continuous rolling production of the lithium battery pole piece, strict requirements are imposed on the thickness of the pole piece, so that the thickness of the pole piece needs to be detected, recorded and fed back, and the thickness of the lithium battery pole piece is ensured to meet the production requirements. The pole piece thickness detection mechanism in the prior art has the following defects: firstly, the whole structure of the equipment is redundant, and the occupied space is large; secondly, the distance between the pole piece thickness detection mechanism and the rolling area is too far, so that the thickness detection record feedback is relatively slow; and thirdly, a thickness measuring instrument which reciprocates in the width direction of the pole piece is adopted, and a measuring track is formed on the pole piece when the thickness measuring instrument in the attached drawing 1 of the specification is used for measuring.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a mechanism of closed loop measurement pole piece thickness to reach the purpose that precision measurement, feedback are quick.
In order to achieve the above object, the utility model adopts the following technical scheme: the mechanism for measuring the thickness of the pole piece in a closed loop comprises a rack for fixing a roller, wherein N thickness measuring instruments for detecting the thickness of the pole piece are fixedly connected to the rack at an outlet of the rolled pole piece and are arranged above the pole piece, and the N thickness measuring instruments are arranged at intervals in the width direction of the pole piece, wherein N is more than or equal to 1.
as the improvement of the utility model, the collinear and interval equidistance of N thickness measuring instruments.
As a further improvement, the thickness measuring instrument is fixed on the frame through the mounting plate.
As another kind of the utility model discloses an improve for bolster bearing housing below of fixed top roll is equipped with the roll gap adjusting part, and the roll gap adjusting part includes the fixed lead screw that links to each other with the gear motor output shaft, with lead screw threaded connection's wedge, and the inclined plane of wedge is overhead has the top bearing frame.
as the utility model discloses a further improvement, thickness measuring instrument control signal output links to each other with controller control signal input, and controller control signal output links to each other with gear motor control signal input.
As other improvements of the utility model, the thickness measuring instrument is a non-contact sensor.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
The utility model can measure the thickness of the pole piece on the frame at the pole piece outlet after rolling, so that the distance between the thickness measuring instrument and the rolling area is short, the thickness of the pole piece just rolled can be measured, and the roll gap can be quickly adjusted through measuring the value, thereby meeting the requirement of the thickness of the pole piece in practical production;
The utility model discloses a set up N thickness measurement instrument at an interval each other in pole piece width direction for many orbit routes on the pole piece can be measured to the thickness measurement instrument, can be according to the width control thickness measurement instrument's of pole piece interval, in order to improve the precision measurement to pole piece thickness;
The utility model can quickly and conveniently adjust the distance between the upper and lower rollers according to the measurement data of the thickness measuring instrument by arranging the roller gap adjusting piece, so as to produce the pole piece thickness meeting the requirement;
The utility model discloses a make thickness gauge instrument and roll gap adjusting part electricity be connected, compare the measured value with preset thickness value by the controller and be greater than the thickness error threshold value of settlement, by the work of controller control gear motor, drive the tapered iron through the lead screw and remove to realize the height adjustment of the bolster bearing housing of placing above the tapered iron, finally reach the automatic adjustment to the roll gap;
The utility model discloses can practice thrift the occupation of land space greatly, measurement accuracy is high, and convenient to use is swift, and the practicality is strong.
The utility model is suitable for an among lithium-ion battery pole piece's the rolling process for the thickness of accurate measurement pole piece.
drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a measurement trace formed on a pole piece during measurement by a thickness measuring instrument in the prior art in the background art;
Fig. 2 is a measurement track formed on a pole piece when a thickness measuring instrument of an embodiment of the present invention measures;
fig. 3 is a schematic plan view of an embodiment of the present invention;
Fig. 4 is a schematic perspective view of an embodiment of the present invention;
fig. 5 is a schematic structural view of the roll gap adjusting member 5 according to the embodiment of the present invention.
In the figure: 1. pole pieces; 3. A thickness gauge; 4. mounting a plate; 5. a nip adjuster; 6. rolling; 7. a frame; 8. a reduction motor; 9. a lead screw; 10. and (4) oblique iron.
Detailed Description
Embodiment 1 mechanism for measuring thickness of pole piece in closed loop
As shown in fig. 2 to 5, the present embodiment includes a thickness measuring instrument 3 and a nip adjuster 5.
a mounting plate 4 is fixedly connected on a rack 7 arranged at an outlet of a pole piece 1 rolled by a roller 6, referring to fig. 4, the mounting plate 4 is a horizontally extending plate, the mounting plate 4 extends along the width direction of the pole piece 1, N thickness measuring instruments 3 are fixed on the mounting plate 4, wherein N is more than or equal to 1, N thickness measuring instruments 3 are arranged above the rolled pole piece 1, the N thickness measuring instruments 3 are arranged at equal intervals in the width direction of the pole piece 1, n thickness measuring instruments 3 can be placed on a straight line, so that the measuring tracks formed on the pole piece 1 when the N thickness measuring instruments 3 measure are mutually parallel straight lines along the length direction, referring to fig. 2, compared with the measuring tracks in the prior art, the embodiment can measure a plurality of tracks on the pole piece 1, moreover, a corresponding number of thickness measuring instruments can be arranged according to the width of the pole piece 1, and the precision of thickness detection of the pole piece 1 is greatly improved. The thickness measuring instrument 3 is an instrument capable of detecting the thickness of the pole piece 1, in the embodiment, the thickness measuring instrument adopts a non-contact sensor in the prior art, and N is 4.
the upper roller is fixed on an upper bearing seat through a bearing, and a roller gap adjusting piece 5 is arranged below the upper bearing seat. The roll gap adjusting member 5 includes a speed reduction motor 8, a lead screw 9, and a skew iron 10, refer to fig. 5. An output shaft of the speed reducing motor 8 is fixedly connected with one end of a screw rod 9, the other end of the screw rod 9 is connected with an inclined iron 10 through threads, and a top inclined plane of the inclined iron 10 is arranged below the upper bearing seat. Therefore, the screw 9 is driven to rotate by the rotation of the speed reducing motor 8, so that the wedge 10 connected with the screw 9 linearly moves along the screw 9, and the position of the upper bearing seat arranged on the inclined plane of the wedge 10 changes, thereby adjusting the height of the upper bearing seat and achieving the purpose of adjusting the upper roller gap and the lower roller gap. The speed reducing motor 8 can be controlled manually or automatically by a controller. The control signal output end of the thickness measuring instrument 3 is connected with the control signal input end of a controller, and the control signal output end of the controller is connected with the control signal input end of a speed reducing motor 8. Therefore, when the thickness measuring instrument 3 detects that the deviation between the thickness measured value of the pole piece 1 and the thickness of the preset pole piece 1 is larger than the thickness error threshold value, the controller controls the speed reducing motor 8 to work, and the height of the upper bearing seat on the inclined iron 10 is adjusted by adjusting the position of the inclined iron 10 so as to adjust the roller gap.
When the rolling device is used, after the rolled pole piece 1 is output, the thickness measuring instrument 3 arranged at the outlet measures the thickness of the pole piece 1, then the measured value is sent to the controller, when the deviation between the measured value of the thickness of the pole piece 1 and the thickness of the preset pole piece 1 is larger than the thickness error threshold value, the speed reducing motor 8 drives the screw rod 9 to rotate, the inclined iron 10 is driven to linearly move along the screw rod 9, the position of the upper bearing seat on the inclined iron 10 is changed, the height of the upper bearing seat is changed, and therefore the roller gap is adjusted.
Claims (6)
1. The utility model provides a mechanism of closed loop measurement pole piece thickness, includes the frame that is used for fixed roll, its characterized in that: n thickness measuring instruments for detecting the thickness of the pole piece are fixedly connected to the rack at the outlet of the rolled pole piece, the thickness measuring instruments are arranged above the pole piece, the N thickness measuring instruments are arranged at intervals in the width direction of the pole piece, and N is more than or equal to 1.
2. a mechanism for closed loop measurement of pole piece thickness as claimed in claim 1, wherein: n thickness measuring instruments are coplanar and are spaced at equal intervals.
3. A mechanism for closed loop measurement of pole piece thickness as claimed in claim 2, wherein: the thickness measuring instrument is fixed on the frame through a mounting plate fixedly connected on the frame.
4. a mechanism for closed loop measurement of pole piece thickness as claimed in any one of claims 1 to 3 wherein: a roll gap adjusting piece is arranged below an upper bearing seat used for fixing an upper roller and comprises a lead screw fixedly connected with an output shaft of a speed reducing motor and an inclined iron in threaded connection with the lead screw, and an upper bearing seat is arranged on the inclined surface of the inclined iron.
5. A mechanism for closed loop measurement of pole piece thickness as claimed in claim 4, wherein: the control signal output end of the thickness measuring instrument is connected with the control signal input end of the controller, and the control signal output end of the controller is connected with the control signal input end of the motor.
6. A mechanism for measuring pole piece thickness in closed loop according to any one of claims 1 to 3 and 5, wherein: the thickness measuring instrument is a non-contact sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543964.9U CN209773076U (en) | 2019-04-22 | 2019-04-22 | Mechanism for measuring thickness of pole piece in closed loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543964.9U CN209773076U (en) | 2019-04-22 | 2019-04-22 | Mechanism for measuring thickness of pole piece in closed loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773076U true CN209773076U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920543964.9U Active CN209773076U (en) | 2019-04-22 | 2019-04-22 | Mechanism for measuring thickness of pole piece in closed loop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872119A (en) * | 2020-07-03 | 2020-11-03 | 上海纳米技术及应用国家工程研究中心有限公司 | Battery pole piece rolling system with automatic detection and thickness adjustment functions |
-
2019
- 2019-04-22 CN CN201920543964.9U patent/CN209773076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872119A (en) * | 2020-07-03 | 2020-11-03 | 上海纳米技术及应用国家工程研究中心有限公司 | Battery pole piece rolling system with automatic detection and thickness adjustment functions |
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