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Winding needle calibration device

A calibration device and needle rolling technology, applied in the direction of angle/taper measurement, can solve the problems of long time, low measurement efficiency, inconvenient use, etc., and achieve the effect of reducing the finishing area, improving the measurement accuracy, and reducing the production cost

Pending Publication Date: 2020-04-28
ZHUHAI HIGRAND ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For needles with a small diameter, a micrometer can be used for measurement, but since the telescopic range of the micrometer is generally only 25 mm, when the diameter of the needle is greater than 25 mm, the micrometer cannot be used for measurement
And because there is no special instrument for measuring the coaxiality of the rolling needle at present, when the diameter of the rolling needle is greater than 25 mm, the diameter of the rolling needle is generally measured by a three-coordinate measuring instrument
Although the three-coordinate measuring instrument has the advantages of high measurement accuracy and high degree of intelligence, it usually takes a long time to measure parts with a three-dimensional measuring instrument, resulting in low measurement efficiency and requiring experienced Professional engineers operate, and there is inconvenience in use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0032] refer to figure 1 , The needle roll calibration device 100 includes a fixed seat 1, a sliding sleeve 2, a drive unit 3, a calibration shaft 4 and a measuring tool.

[0033] The fixed seat 1 includes a frame body 11 and a base 12, the frame body 11 is installed on the base 12, and a mounting hole is provided on a side of the frame body 11 close to the base 12, and the mounting hole is used for accommodating, positioning and supporting the calibration shaft 4 or being The first end of the measuring needle 10, and in order to better ensure the assembly accuracy between the calibration axis 4 or the measured rolling needle 10 and the fixing seat 1, and reduce the finishing area of ​​the fixing seat 1, a shaft sleeve is arranged on the mounting hole 111 , the sleeve 111 is used to cooperate with the first end of the calibration shaft 4 or the measured needle 10 , and play the above-mentioned effects of accommodation, positioning and support. In addition, setting the bushing...

no. 2 example

[0050] refer to Figure 5 The difference between this embodiment and the first embodiment of the needle winding calibration device is that the structure of the driving unit is different. Specifically, in this embodiment, the driving unit 6 includes a third bracket 61, a motor 62 and a ball screw 63. The three brackets 61 are installed on the frame body 71, the motor 62 is installed on the third bracket 61, the end of the lead screw 631 of the ball screw 63 is fixedly connected with the motor shaft of the motor 62, and the nut 632 of the ball screw 63 is connected with the sliding sleeve 72 is fixedly connected, so that the motor 62 can drive the sliding sleeve 72 to move toward or away from the shaft sleeve through the ball screw 63, and this structural design can realize the automatic control of the sliding sleeve 72 by the drive unit 6 .

no. 3 example

[0052] The difference between this embodiment and the first embodiment or the second embodiment of the needle winding calibration device is that:

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Abstract

The invention provides a winding needle calibration device. The device comprises a fixing base, a sliding sleeve, a driving unit and a calibration shaft. A mounting hole and a measuring position groupare arranged on the fixing base. The measuring position group comprises more than two measuring positions, and the more than two measuring positions are distributed along the direction parallel to the axial direction of the mounting hole. Each measuring position is provided with a locking unit, and the locking units are used for clamping a measuring tool. The sliding sleeve is slidably installedon the fixing base in the axial direction of the sliding sleeve, and the sliding sleeve and the mounting hole are coaxially arranged. The driving unit is installed on the fixing base, the output end of the driving unit is connected with the sliding sleeve, and the driving unit drives the sliding sleeve to move towards or away from the mounting hole. The two ends of the calibration shaft are detachably connected with the mounting hole and the sliding sleeve respectively. The winding needle calibration device can assist a winding needle in calibration.

Description

technical field [0001] The invention relates to the technical field of calibrating instruments, in particular to a needle-rolling calibrating device. Background technique [0002] At present, the cell winding of the battery is generally completed by the cell winding machine. The cell winding machine forms the cell by stacking, winding, and pasting the positive pole piece, the negative pole piece, and the separator in a certain order. . Since the coaxiality of the battery core is one of the important indicators for judging the quality of the battery core, and the winding needle is the main component for winding the positive pole piece, the negative pole piece and the diaphragm, the coaxiality of the battery core winding It is mainly affected by the winding needle. Whether the coaxiality of the winding needle meets the winding requirements will directly determine whether the wound battery meets the standard. [0003] In addition, since a battery winding machine can usually m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/25
CPCG01B5/25
Inventor 曹海霞黎红宁罗俊辉
Owner ZHUHAI HIGRAND ELECTRONICS TECH
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