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CN-224230934-U - Ceramic riving knife hole measuring device

CN224230934UCN 224230934 UCN224230934 UCN 224230934UCN-224230934-U

Abstract

The utility model provides a ceramic riving knife hole measuring device, belongs to precision manufacturing equipment technical field, and includes the micropore image acquisition unit that is used for gathering ceramic riving knife hole image, micropore image acquisition unit level setting, and the place ahead is provided with ceramic riving knife transmission device, and ceramic riving knife transmission device's place ahead is provided with the light source subassembly, and light source subassembly and micropore image acquisition unit are on same horizontal axis, and light source subassembly and micropore image acquisition unit are fixed on the support frame, and micropore image acquisition unit carries out the calculation through gathering the bright image of ceramic riving knife hole and confirms the circularity of ceramic riving knife hole.

Inventors

  • XU FURONG

Assignees

  • 申玥半导体(深圳)有限公司

Dates

Publication Date
20260512
Application Date
20250627

Claims (5)

  1. 1. The ceramic riving knife hole measuring device is characterized by comprising a micropore image acquisition unit (1) for acquiring an image of an inner hole of a ceramic riving knife, wherein the micropore image acquisition unit (1) is horizontally arranged, and a ceramic riving knife transmission device (2) is arranged in front of the micropore image acquisition unit; A light source assembly (3) is arranged in front of the ceramic riving knife transmission device (2), the light source assembly (3) and the micropore image acquisition unit (1) are positioned on the same horizontal axis, and the light source assembly (3) and the micropore image acquisition unit (1) are fixed on a support frame (4); The micropore image acquisition unit (1) is used for calculating and determining the roundness of the inner hole of the ceramic chopper by acquiring the bright image of the inner hole of the ceramic chopper.
  2. 2. The ceramic riving hole measurement device according to claim 1, wherein the light source assembly (3) comprises an annular LED polarized light source (31) and an optical diffusion plate (32) disposed behind the annular LED polarized light source (31), wherein the annular LED polarized light source (31) is fixed to the support frame (4) by a first bracket (41), and the optical diffusion plate (32) is fixed to the support frame (4) by a second bracket (42).
  3. 3. The ceramic riving knife hole measuring device according to claim 2, characterized in that the ceramic riving knife conveying device (2) comprises a conveying belt (21), a supporting plate (22) arranged on the supporting frame (4) is arranged below the conveying belt (21), and a clamping groove for limiting the ceramic riving knife is arranged on the conveying belt (21).
  4. 4. A ceramic riving knife hole measuring apparatus according to claim 3, wherein the cross section of the surface of the transmission belt (21) is saw-tooth-shaped, and the clamping groove is a bottom groove formed between teeth.
  5. 5. The ceramic riving hole measurement device of claim 1 or 4, further comprising: The preprocessing unit is used for preprocessing the micropore image to obtain a binarized image of the micropore; An index matrix establishing unit for establishing an index matrix of the binarized image of the micropore; A horizontal micropore size obtaining unit, configured to read matrix values row by row according to an index matrix of the binarized image of the micropores, and obtain each row length of the micropores in combination with a scale, and obtain a horizontal micropore diameter size according to each row length of the micropores; A vertical direction micropore size obtaining unit, configured to read matrix values column by column according to an index matrix of the binarized image of the micropores, and obtain each column length of the micropores in combination with a scale, and obtain a vertical direction micropore diameter size according to each column length of the micropores; and the micropore roundness calculation unit is used for calculating the roundness of the micropores according to the micropore diameter size in the horizontal direction and the micropore diameter size in the vertical direction.

Description

Ceramic riving knife hole measuring device Technical Field The application belongs to the technical field of precision manufacturing equipment, and particularly relates to a ceramic riving knife hole measuring device. Background Along with the development of integrated circuits and avionic technologies, the requirements for precision manufacturing of large batches of micropores are continuously increased, such as damping holes of a hydraulic transmission system, connecting through holes of a PCB (printed Circuit Board), air film holes on the surface of an aviation blade and oil spraying holes of an engine nozzle, the manufacturing precision of the components seriously affects the service performance and reliability of the components, and the diameter and roundness precision after micropore machining are important indexes for evaluating the micropore machining quality and the service performance. In particular to a ceramic chopper used in the chip welding process, the nominal aperture of the central through hole of the ceramic chopper is 50 mu m plus or minus 0.5 mu m, the taper is 2 DEG, the hole is small, and the requirements on the diameter and roundness precision of the ceramic chopper are larger. The mechanical contact type measurement method is difficult to directly measure the diameter and roundness of the micropores due to the influence of the size of the micropores. The conventional microscopic imaging software is difficult to perform high-efficiency identification measurement of a large number of micropores, is influenced by the technical level difference of operators and the measurement error of equipment, and has larger measurement error. In the prior art, an optical fiber probe method for measuring a micropore with a large depth-to-diameter ratio comprises the steps of coupling laser into an optical fiber, collecting light emitted from the optical fiber onto a photoelectric sensor by utilizing a confocal detection principle, and detecting the displacement of the optical fiber through an elastic diaphragm, wherein the optical fiber probe sensing device, the sensing method and the probe preparation method are described in application number 201810316350.7 and are based on side laser coupling. The inability to directly measure microwells can be a measurement with inaccurate accuracy and the need to move the measurement can result in corresponding losses in the process. How to improve the measurement accuracy of the micropore diameter and roundness becomes a problem to be solved. Disclosure of utility model The present utility model aims to address or at least part of the above problems, and to provide a ceramic riving knife hole measuring device which overcomes or solves the above problems. In order to achieve the technical aim, the technical scheme is that the ceramic riving knife hole measuring device comprises a micropore image acquisition unit for acquiring an image of an inner hole of a ceramic riving knife, wherein the micropore image acquisition unit is horizontally arranged, and a ceramic riving knife transmission device is arranged in front of the micropore image acquisition unit; A light source assembly is arranged in front of the ceramic riving knife transmission device, the light source assembly and the micropore image acquisition unit are positioned on the same horizontal axis, and the light source assembly and the micropore image acquisition unit are fixed on the support frame; The micropore image acquisition unit is used for calculating and determining the roundness of the inner hole of the ceramic chopper by acquiring the bright image of the inner hole of the ceramic chopper. In an embodiment, the light source assembly comprises an annular LED polarized light source and an optical diffusion plate arranged behind the annular LED polarized light source, wherein the annular LED polarized light source is fixed on the support frame through a first support, and the optical diffusion plate is fixed on the support frame through a second support. In an embodiment, the ceramic riving knife transmission device comprises a transmission belt, a supporting plate arranged on a supporting frame is arranged below the transmission belt, and a clamping groove for limiting the ceramic riving knife is arranged on the transmission belt. In an embodiment, the cross section of the surface of the conveying belt is zigzag, and the clamping groove is a bottom groove formed between the teeth. In an embodiment, the method further includes: The preprocessing unit is used for preprocessing the micropore image to obtain a binarized image of the micropore; An index matrix establishing unit for establishing an index matrix of the micropore binarized image; A horizontal micropore size obtaining unit for reading matrix values line by line according to an index matrix of the binarized image of the micropores, obtaining each line length of the micropores by combining a scale, and obtaining the diameter size of the micro