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A method for measuring the clamping force of the jaws of the pneumatic chuck

A measurement method, the technology of the chuck claw, applied in the force/torque/power measuring instrument, measuring device, instrument, etc., can solve the problems of unable to select the working air pressure parameters, unable to obtain the clamping force value, etc., to achieve convenient measurement, Ease of measurement and improvement of production efficiency

Active Publication Date: 2020-07-24
FOSHAN HONGSHI LASER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The commonly used method is to provide the working air pressure of the driving cylinder according to the experience of the on-site staff, which will lead to the following problems: the clamping force value actually generated by the provided working air pressure cannot be obtained, so that the work cannot be carried out according to the conditions of different pipe materials Selection of air pressure parameters

Method used

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  • A method for measuring the clamping force of the jaws of the pneumatic chuck
  • A method for measuring the clamping force of the jaws of the pneumatic chuck
  • A method for measuring the clamping force of the jaws of the pneumatic chuck

Examples

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Embodiment 1

[0054] This embodiment discloses a method for measuring the clamping force of a pneumatic chuck jaw, reference figure 1 , figure 2 , image 3 as well as Figure 4 The measuring method uses a measuring device, which includes a pressure acquisition block 1 and a pressure display device 2. The chuck used in this embodiment includes a chuck body 3, and cards arranged in pairs and oppositely arranged on the chuck body 3 The claws 4 and a driving cylinder (not shown in the figure) that drives the pair of claws 4 to move toward or away from each other.

[0055] The pressure acquisition block 1 includes a clamping block 101 and a pressure sensing element 102. The two ends of the clamping block 101 are adapted to the clamping surfaces of the two jaws 4 on the chuck whose clamping force is to be measured. In this embodiment, The clamping surface of the claw 4 is the arc surface of the clamping roller 401, and both ends of the clamping block 101 correspond to the arc surface of the clamping...

Embodiment 2

[0073] reference Picture 8 This embodiment discloses another method for measuring the clamping force of a pneumatic chuck jaw. Based on embodiment 1, the difference between this embodiment and embodiment 1 is:

[0074] The adjusting device includes a connecting groove 6022 opened on the supporting portion 602. One end of the sliding portion 601 is slidably connected to the receiving groove 501, and the other end is slidably connected to the connecting groove 6022. The supporting portion 602 is provided with a first adjusting hole 6023. An adjustment hole 6023 is opened in a direction perpendicular to the connection groove 6022 and communicates with the connection groove 6022. In this embodiment, the first adjustment hole 6023 is provided through the support portion 602.

[0075] The sliding portion 601 is provided with at least two second adjusting holes 6012 along its sliding direction. The distance between the second adjusting holes 6012 can be set according to commonly used pipe...

Embodiment 3

[0078] reference Picture 9 This embodiment discloses another method for measuring the clamping force of a pneumatic chuck jaw. Based on embodiment 1, the difference between this embodiment and embodiment 1 is:

[0079] No adjustment device is provided on the second block, only the adjustment device is set on the first block.

[0080] The first piece 5 includes a fixing portion 502 and a connecting portion 503. The receiving groove 501 is opened on one end surface of the fixing portion 502. The adjusting device includes an adjusting threaded blind hole 5021 opened on the end surface of the fixing portion 502 away from the receiving groove 501 and An external threaded portion 5031 provided at one end of the connecting portion 503 is threadedly connected with the adjusting threaded blind hole 5021.

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Abstract

The invention discloses a method for measuring the clamping force of jaws of a pneumatic chuck. According to the scheme, a measuring device is adopted, the measuring device comprises a pressure acquisition block and a pressure display device. The pressure acquisition block comprises a clamping block and a pressure sensing element. The two ends of the clamping block are matched with the clamping surfaces of two clamping jaws of the clamping force to be measured on the chuck. The pressure sensing element is arranged on the clamping block. The pressure sensing element is electrically connected with the pressure display device, and the two clamping jaws clamp the clamping block and abut against the pressure sensing element. The measuring method comprises the following steps: placing the pressure acquisition block between two claws of a clamping force to be measured; clamping the clamping block through the clamping jaw and abutting against the pressure sensing element, to measure the pressure applied to the clamping block by the two clamping jaws with the clamping force to be measured, obtaining the clamping force generated between the clamping jaws, and collecting and displaying the pressure measurement value through the pressure display device. Measurement is convenient and rapid, reference is provided for clamping of the pipe in the production process, and the production efficiency and the production quality are improved.

Description

Technical field [0001] The invention relates to the field of chuck auxiliary devices, in particular to a method for measuring the clamping force of a pneumatic chuck jaw. Background technique [0002] The chuck is a common auxiliary processing tool in the machining process. For example, in the laser pipe cutting machine, the chuck is used to clamp the pipe during the pipe cutting process. [0003] In the prior art, the structure of the chuck generally includes a chuck body, a jaw, a drive cylinder, and a rotary drive motor. The jaws are arranged radially along the chuck body, and the drive cylinder is used to drive the jaws to move in the radial direction of the chuck body. Close to or away from each other, the rotary drive motor is used to drive the chuck body to rotate. [0004] Because the jaws move under the drive of the drive cylinder, the clamping force of the jaws is also related to the air pressure of the drive cylinder. When different air pressures are provided to the drive...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/00
CPCG01L5/009
Inventor 喻荣山常勇
Owner FOSHAN HONGSHI LASER TECH CO LTD