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Contact type measuring head, three-coordinate measuring machine and tool setting gauge

A contact type and measuring head technology, applied in the direction of measuring devices, instruments, etc., can solve the problems affecting the normal operation of the electrical components in the casing, affecting the sealing of the casing, etc., achieving high repeatability, improving measurement accuracy, improving accuracy and reliability effect

Pending Publication Date: 2021-11-05
SHENZHEN BLUE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned related technologies, the inventor believes that in the actual use process, the measuring head needs to deflect, and there must be a gap between the movable hole and the measuring rod, which will affect the sealing of the casing. Once water vapor or dust enters the machine If it is inside the case, it will affect the normal operation of the electrical components in the case

Method used

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  • Contact type measuring head, three-coordinate measuring machine and tool setting gauge
  • Contact type measuring head, three-coordinate measuring machine and tool setting gauge
  • Contact type measuring head, three-coordinate measuring machine and tool setting gauge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The embodiment of the present application discloses a touch probe. refer to figure 1 with figure 2 , the contact probe includes a casing 1 and a measuring rod 2, the inner bottom surface of the casing 1 is provided with a placement groove 3, and a mounting plate 4 is placed in the placement groove 3, and a spring 2 23 is fixedly connected to the mounting plate 4, and a spring 2 23 It is vertically arranged, the other end of the spring 23 is fixed in the casing 1, three round rods 5 are fixedly connected equidistantly on the outer wall of the mounting plate 4, and the inner bottom surface of the casing 1 is provided with three groups of switches, three groups of switches and three round rods. The rods 5 are in one-to-one correspondence. The switch includes two balls 6 that are close to each other and are fixedly connected to the inner bottom surface of the casing 1. There is a gap between the two balls 6 for the round rod 5 to snap in, and the round rod 5 snaps in. Wh...

Embodiment 2

[0052] The difference between this embodiment and embodiment 1 is that, referring to image 3 , the inflation mechanism includes an air pump 18, the air pump 18 is used to be fixed on the installation surface, the installation surface can be the body of a three-dimensional coordinate measuring instrument, or the body of a knife setting instrument, the air outlet of the air pump 18 is connected with a gas pipe 19, and the other end of the gas pipe 19 Connected to the buffer tank 12.

[0053] In addition, a touch switch can be provided on the probe, and the touch switch is used to turn on and off the air pump 18, that is, when the probe touches the workpiece, the air pump 18 no longer inflates the air bag 9, and when the probe is separated from the workpiece, the air pump 18 continues to inflate the air bag 9.

[0054] The implementation principle of a contact measuring head in the embodiment of the present application is: when detecting, the measuring rod 2 touches the workpiec...

Embodiment 3

[0056] The difference between this embodiment and embodiment 1 is that, referring to Figure 4 , the driver includes a cylinder 20, the cylinder 20 is fixedly connected on the outer wall of the casing 1 by screws, and the piston 10 rod of the cylinder 20 is inserted into the buffer groove 12 and fixedly connected to the side of the piston 10 away from the airbag 9.

[0057] In addition, a touch switch can be arranged on the probe, and the touch switch is used to open and close the cylinder 20, that is, when the probe touches the workpiece, the cylinder 20 returns to its position.

[0058] In another embodiment, the driving member includes a screw and a motor. The rotation of the screw drives the piston 10 to move, so as to inflate or deflate the airbag 9 . The motor is used to drive the screw to rotate, and the touch switch is used to turn on and off the motor.

[0059] The implementation principle of a contact probe in the embodiment of the present application is: during dete...

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Abstract

The invention discloses a contact type measuring head, a three-coordinate measuring machine and a tool setting gauge. The contact type measuring head comprises a casing and a measuring rod penetrating out of the casing; the casing is provided with a movable hole at the position of the measuring rod; the inner wall of the movable hole is provided with an air bag used for sleeving the measuring rod; the casing is provided with an inflation mechanism used for controlling the air bag to be inflated or deflated; the air bag is inflated to abut against the measuring rod and enable the length direction of the measuring rod to be arranged along the axis direction of the movable hole. The sealing performance of the casing of the measuring head is enhanced.

Description

technical field [0001] The invention relates to the field of workpiece detection equipment, in particular to a contact measuring head, a three-coordinate measuring machine and a tool setting instrument. Background technique [0002] At present, with the rapid development of machining centers, the machining accuracy of workpieces is getting higher and higher. When testing the accuracy of workpieces, three-coordinate measuring machines are often used. During the processing of workpieces, tool setting is required for loading and unloading of workpieces and tool adjustment. instrument. [0003] In related technologies, the tool setting instrument mainly includes a measuring head, a tool setting probe and a signal transmission interface; the probe is used to contact the tool and transmit the force generated by the contact to the measuring head; The on-off signal is transmitted to the CNC system through the signal transmission interface for the recognition, calculation, compensat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 游义明王文韬夏锴朱智迟中升邢雪顺周福泽邢静
Owner SHENZHEN BLUE TECH CO LTD
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