CN111288950A - Cylinder high-precision online detection system - Google Patents

Cylinder high-precision online detection system Download PDF

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Publication number
CN111288950A
CN111288950A CN202010253572.6A CN202010253572A CN111288950A CN 111288950 A CN111288950 A CN 111288950A CN 202010253572 A CN202010253572 A CN 202010253572A CN 111288950 A CN111288950 A CN 111288950A
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China
Prior art keywords
cylinder
dimensional
sensor
distance measuring
axis
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CN202010253572.6A
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Chinese (zh)
Inventor
牛增渊
霍德鸿
丁辉
陈任寰
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Jiangsu Jijingkai High End Equipment Technology Co ltd
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Jiangsu Jijingkai High End Equipment Technology Co ltd
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Priority to CN202010253572.6A priority Critical patent/CN111288950A/en
Publication of CN111288950A publication Critical patent/CN111288950A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Machine Tool Sensing Apparatuses (AREA)

Abstract

The invention discloses a high-precision online detection system for a cylindrical workpiece, which comprises: the machine tool body is used for processing and/or finishing compensation processing on the cylindrical workpiece; the detection unit is arranged on the machine tool body and used for acquiring the size parameters of the cylindrical workpiece; and the control unit is electrically connected with the machine tool body and the detection unit and is used for controlling the rotation of the cylindrical workpiece and the data acquisition of the detection unit to realize the online measurement of the dimensional parameters of the cylindrical workpiece. The online detection system can realize high-precision detection of key dimension parameters of the cylinder on a processing machine tool, ensures the precision of finishing compensation processing, simultaneously has no loading and unloading clamp step of the cylinder in online detection, can improve the compensation processing precision, save time and reduce manpower, and has the advantages of simple structure, low manufacturing cost and the like.

Description

Cylinder high-precision online detection system
Technical Field
The invention relates to the field of detection of fixed cylinders of lens modules, in particular to a high-precision online detection system for cylinders.
Background
The high-precision cylinder is machined by an ultra-precision machine tool and used for fixing various lenses and serving as fixing covers (sleeves) of various lens modules, such as fixing covers of various microscope lens modules and fixing covers of various camera lens modules, and the like, so that a specific optical purpose is realized. The inner cylinder of the high-precision cylinder is used for installing and fixing the lens, the outer cylinder is used for installing and fixing the cylinder and the lens assembly on the equipment, and the key size parameters of the inner cylinder and the outer cylinder of the high-precision cylinder determine the optical performance of the equipment, including the diameter, the roundness, the cylindricity, the concentricity of the inner cylinder and the outer cylinder and the like. The cylinder is usually made of nickel alloy and is expensive. In order to ensure the accuracy of the critical dimension of the cylinder, after the machining is completed, the critical dimension of the cylinder needs to be measured and compensated for.
The three-coordinate measuring instrument is additionally provided with a scanning measuring head or a high-precision roundness measuring instrument and other metering equipment, so that the non-online high-precision measurement of the key dimension parameters of the high-precision cylinder can be realized, the measurement precision is submicron, and the required measurement precision is met. The measurement procedure, which is typically performed with a metrology device, is to unclamp the sleeve from the machine upon completion of the barrel processing and then place the sleeve on the metrology device for measurement. When the critical dimension accuracy does not meet the design requirements, the cylinder needs to be reinstalled on the processing machine for trimming compensation processing. Due to the inevitable influence of error sources such as errors of cylinder assembling and disassembling clamps and coordinate differences between a processing machine tool and the metering equipment, the required precision is difficult to achieve by adopting the off-line measurement and the trimming compensation processing of the metering equipment. Meanwhile, the handling of the cylinder requires a lot of manpower and time, increasing the processing cost of the cylinder.
Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the cylinder high-precision online detection system which is accurate in detection result of the cylinder workpiece and high in finishing compensation machining precision.
In order to achieve the above object, the present invention adopts the following technical solutions: a high-precision online cylinder detection system comprises: the machine tool body is used for processing and/or finishing compensation processing on the cylindrical workpiece; the detection unit is arranged on the machine tool body and used for acquiring the size parameters of the cylindrical workpiece; and the control unit is electrically connected with the machine tool body and the detection unit and is used for controlling the rotation of the cylindrical workpiece and the data acquisition of the detection unit to realize the online measurement of the dimensional parameters of the cylindrical workpiece.
Further, the machine tool body comprises a machine tool base, a main shaft support and a Z-axis guide rail are fixed on the machine tool base, a main shaft arranged along the Z-axis direction is connected onto the main shaft support, the main shaft fixes a cylindrical workpiece parallel to the axis of the main shaft through a cylindrical workpiece clamp, and the Z-axis guide rail is connected with a Z-axis slide carriage in a sliding mode.
Further, the cylindrical workpiece comprises an inner cylindrical surface, an outer cylindrical surface and a radial end surface, and the cylindrical workpiece is installed on the spindle of the machine tool body by fixing the radial end surface through the cylindrical workpiece clamp.
Furthermore, the detection unit comprises a detection assembly base, one surface of the detection assembly base is fixed on a Z-axis slide carriage of the machine tool body, an inner cylindrical detection assembly located in the axial direction of the cylindrical workpiece and an outer cylindrical surface detection assembly located in the radial direction of the cylindrical workpiece are respectively installed on the other surface of the detection assembly base, and the detection unit further comprises a sensor controller which is respectively electrically connected with the main shaft and the control unit.
Furthermore, the control unit is respectively and electrically connected with the main shaft of the machine tool body and the grating ruler of the Z-axis slide carriage.
Furthermore, the inner cylinder detection assembly comprises an inner cylinder triaxial electric sliding table, an inner cylinder distance measurement sensor clamp, a one-dimensional axial distance measurement sensor and a one-dimensional axial distance measurement sensor measuring head, the inner cylinder triaxial electric sliding table fixes the inner cylinder detection assembly on the Z-axis slide carriage through the detection assembly base, the one-dimensional axial distance measurement sensor is fixed on the inner cylinder triaxial electric sliding table through the inner cylinder distance measurement sensor clamp, the one-dimensional axial distance measurement sensor is parallel to the Z axis, and the sensor controller is electrically connected with the one-dimensional axial distance measurement sensor measuring head and used for collecting and calculating measurement data and feeding the measurement data back to the control unit.
Further, outer cylinder determine module includes the electronic slip table of outer cylinder triaxial, outer cylinder range finding sensor anchor clamps, one-dimensional radial range finding sensor and the radial range finding sensor gauge head of one-dimensional, outer cylinder triaxial electronic slip table passes through the determine module base and fixes outer cylinder determine module on the Z axle carriage apron, the radial range finding sensor of one-dimensional is fixed in the electronic slip table of outer cylinder triaxial through outer cylinder range finding sensor anchor clamps, the radial range finding sensor of one-dimensional is parallel with the X axle, the sensor control ware is connected with the radial range finding sensor gauge head electricity of one-dimensional for gather and operation measured data, and feed back to the control unit.
Furthermore, after the one-dimensional axial distance measuring sensor and the one-dimensional radial distance measuring sensor are installed, the standard ball, the inner cylindrical three-axis electric sliding table and the outer cylindrical three-axis electric sliding table are used for carrying out axis alignment and calibration on the one-dimensional axial distance measuring sensor measuring head and the one-dimensional radial distance measuring sensor measuring head respectively, so that the axes of the one-dimensional axial distance measuring sensor measuring head and the one-dimensional radial distance measuring sensor measuring head are ensured to be intersected, and the distances from the axis of the main shaft of the machine tool body to the one-dimensional axial distance measuring sensor measuring head and to the X direction of the one-dimensional.
Further, the size parameter of the cylindrical workpiece comprises at least one of an inner diameter parameter, an outer diameter parameter, a concentricity parameter, an inner roundness parameter, an outer roundness parameter and an inner cylindricity parameter of the cylindrical workpiece.
Further, the inner diameter parameter and the outer diameter parameter of the cylindrical workpiece are obtained through least square operation on all measurement data of the one-dimensional axial distance measurement sensor and the one-dimensional radial distance measurement sensor respectively; the concentricity parameters of the inner and outer cylinders of the cylindrical workpiece are obtained through the difference of peak-valley values of the inner and outer diameters measured at each position by the one-dimensional axial distance measuring sensor and the one-dimensional radial distance measuring sensor; the inner and outer roundness parameters of the cylindrical workpiece are obtained through the difference between the maximum value and the minimum value of all measurement data of the one-dimensional axial distance measurement sensor and the one-dimensional radial distance measurement sensor respectively; and the inner and outer cylinder degree parameters of the cylinder workpiece are obtained through the difference between the peak value and the valley value of all measured roundness of the one-dimensional axial distance measuring sensor and the one-dimensional radial distance measuring sensor respectively.
The cylinder high-precision online detection system provided by the invention can realize high-precision detection of key dimension parameters of the cylinder on a processing machine tool, the detection unit is arranged on a machine tool body, and the coordinate difference between the processing and the measurement of the cylinder can be reduced to an allowable range through high-precision calibration, so that the precision of finishing compensation processing is ensured. Meanwhile, the step of assembling and disassembling the cylinder is omitted in online detection, so that the compensation machining precision can be improved, the time can be saved, and the manpower can be reduced. The on-line detection system also has the advantages of simple structure, low manufacturing cost and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the on-line detection system of the present invention;
FIG. 2 is a circuit diagram of the on-line detection system of the present invention;
FIG. 3 is a schematic view of the structure of the inspection part cylinder of the present invention;
FIG. 4 is a schematic diagram of the cylindrical surface detecting assembly of the present invention;
FIG. 5 is a schematic structural diagram of the cylindrical outer cylindrical surface detection assembly of the cylinder of the present invention.
The reference numbers in the figures illustrate: 1. a machine tool body; 2. a detection unit; 3. a cylindrical workpiece; 4. a control unit; 11. a main shaft; 12. a spindle support; 13. a machine tool base; 14. a Z-axis guide rail; 15. a Z-axis slide carriage; 16. a cylindrical workpiece holder; 21. a detection assembly base; 22. an inner cylinder detection assembly; 23. an outer cylinder detection assembly; 24. a sensor controller; 31. an inner cylindrical surface; 32. an outer cylindrical surface; 33. a radial end face; 221. an inner cylindrical triaxial electric sliding table; 222. an inner cylindrical ranging sensor clamp; 223. a one-dimensional axial distance measuring sensor; 224. a one-dimensional axial distance measuring sensor measuring head; 231. an outer cylindrical triaxial electric sliding table; 232. an outer cylindrical ranging sensor clamp; 233. a one-dimensional radial distance measurement sensor; 234. and (4) measuring a one-dimensional radial distance measuring sensor measuring head.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a high-precision online detection system for a cylindrical workpiece, the online detection system includes a machine tool body 1 for performing machining and/or trimming compensation machining on the cylindrical workpiece 3, a detection unit 2 disposed on the machine tool body 1 for acquiring a dimensional parameter of the cylindrical workpiece, and a control unit 4 electrically connected to the machine tool body 1 and the detection unit 2 for controlling the rotation of the cylindrical workpiece and the data acquisition of the detection unit to realize online measurement of the dimensional parameter of the cylindrical workpiece.
The machine tool body 1 comprises a machine tool base 13, a main shaft support 12 is fixed on the machine tool base 13, a main shaft 11 horizontally arranged above the machine tool base 13 along the Z-axis direction is connected onto the main shaft support 12, the main shaft 11 fixes a cylindrical workpiece 3 through a cylindrical workpiece clamp 16, the cylindrical workpiece 3 is parallel to the axis of the main shaft 11, and the main shaft 11 can drive the cylindrical workpiece 3 to move.
Wherein, the upper surface of the machine tool base 13 is provided with a guide rail 14 extending along the Z axis, a Z axis slide carriage 15 is connected on the guide rail 14 in a sliding way, and the moving direction of the Z axis slide carriage 15 is parallel to the axis of the main shaft 11. The control unit 4 is electrically connected with the main shaft 11 and the grating ruler of the Z-axis slide carriage 15 respectively, and is used for acquiring the position information of the cylindrical workpiece 3 and the detection unit 2, controlling the driving main shaft 11 to drive the rotation of the cylindrical workpiece 3 and controlling the movement of the driving Z-axis slide carriage 15, and also adjusting the rotation of the cylindrical workpiece 3 and controlling the movement of the driving Z-axis slide carriage 15 according to the detection result of the detection unit 2, so as to realize the feedback control of the detection unit 2. The number of the guide rails 14 may be two, and the Z-axis carriage 15 is mounted on the two guide rails 14.
As shown in fig. 3, the cylindrical workpiece 3 includes an inner cylindrical surface 31, an outer cylindrical surface 32, and a radial end surface 33, and the radial end surface 33 is attached to the spindle 11 of the machine tool body by the cylindrical workpiece holder 16 so that the cylindrical workpiece 3 is coaxial with the spindle 11.
As shown in fig. 1, the detection unit 2 includes a detection assembly base 21, one surface of the detection assembly base 21 is fixed on the Z-axis carriage 15 of the machine tool body, and the other surface is respectively provided with an inner cylindrical detection assembly 22 located in the axial direction of the cylindrical workpiece and an outer cylindrical surface detection assembly 23 located in the radial direction of the cylindrical workpiece.
As shown in fig. 4, the inner cylinder detecting assembly 22 includes an inner cylinder triaxial electric sliding table 221 fixed with the detecting assembly base 21, an inner cylinder distance measuring sensor fixture 222 is fixed on the inner cylinder triaxial electric sliding table 221, a one-dimensional axial distance measuring sensor 223 and a one-dimensional axial distance measuring sensor measuring head 224 are fixed on the inner cylinder distance measuring sensor fixture 222, and an axis of the one-dimensional axial distance measuring sensor 223 is parallel to the Z axis.
As shown in fig. 5, the outer cylindrical surface detection assembly 23 includes an outer cylindrical surface three-axis electric sliding table 231 fixed with the detection assembly base 21, an outer cylindrical surface ranging sensor fixture 232 is fixed on the outer cylindrical surface three-axis electric sliding table 231, and a one-dimensional radial ranging sensor 233 and a one-dimensional radial ranging sensor measuring head 234 are fixed on the outer cylindrical surface ranging sensor fixture 232; the axis of the one-dimensional radial ranging sensor 233 is parallel to the X-axis.
As shown in fig. 2, the detecting unit 2 further includes a sensor controller 24, the sensor controller 24 is electrically connected to the one-dimensional axial distance measuring sensor 223 and the one-dimensional radial distance measuring sensor 233, respectively, and the sensor controller 24 is also electrically connected to the main shaft 11 and the controlling unit 4, respectively, so as to receive the trigger signal, collect and calculate the measurement data of the one-dimensional axial distance measuring sensor 223 and the one-dimensional radial distance measuring sensor 233, respectively, and feed back the measurement data to the controlling unit 4.
In a specific embodiment, after the one-dimensional axial distance measuring sensor 223 and the one-dimensional radial distance measuring sensor 233 are installed, the one-dimensional axial distance measuring sensor head 224 and the one-dimensional radial distance measuring sensor head 234 are respectively aligned and calibrated by using the standard ball, the inner cylindrical three-axis electric slide table 221 and the outer cylindrical three-axis electric slide table 231, so that the axes of the one-dimensional axial distance measuring sensor head 224 and the one-dimensional radial distance measuring sensor head 234 are ensured to intersect, and the distances in the X direction from the axis of the spindle 11 of the machine tool body to the one-dimensional axial distance measuring sensor head 224 and the one-dimensional radial distance measuring sensor head 234 are respectively calculated.
In the embodiment of the invention, the relevant dimension parameters of the cylindrical workpiece comprise at least one of the parameters of the inner diameter and the outer diameter of the cylindrical workpiece, the concentricity parameter of the inner cylinder and the outer cylinder, the inner roundness and the outer roundness of the inner cylinder and the outer cylinder.
Specifically, the measurement method of the online detection system in the embodiment of the present invention is as follows:
step S1: the Z-axis slide carriage 15 is driven by the control unit 4 to transfer the one-dimensional axial distance measurement sensor 223 and the one-dimensional radial distance measurement sensor 233 of the detection unit 2 to the clamping end of the cylindrical workpiece 3 along the Z-axis negative direction, and the position information is fed back to the control unit 4 by the grating ruler of the Z-axis slide carriage 15, and the position is marked as Z1;
step S2: the control unit 4 drives the main shaft 11 to drive the cylindrical workpiece 3 to rotate, meanwhile, the main shaft 11 sends a signal to the sensor controller 24, and the sensor controller 24 is triggered to start to acquire measurement data of the one-dimensional axial distance measurement sensor 223 and the one-dimensional radial distance measurement sensor 233 at the position Z1;
step S3: after the measurement is completed, the above steps S1 and S2 are repeated, the cylindrical workpiece 3 is equidistantly measured in the Z direction until the free end of the cylindrical workpiece 3 is reached, and the measurement data at each position are respectively denoted as Z1 and Z2 … … Zn.
After the measurement is finished, the calculation method of the parameters of the inner diameter, the outer diameter, the concentricity of the inner cylinder and the outer cylinder, the inner roundness, the outer roundness and the inner cylinder and the outer cylinder of the cylindrical workpiece 3 is as follows:
inner and outer diameters: the measurement data of the one-dimensional axial distance measurement sensor 223 and the one-dimensional radial distance measurement sensor 233 at any position are respectively subjected to least square operation, and the outer diameter and the inner diameter of the cylindrical workpiece 3 at any position can be respectively calculated by adding or subtracting the X-direction distances from the one-dimensional axial distance measurement sensor probe 224 and the one-dimensional radial distance measurement sensor probe 234 to the axis of the main shaft 11 from the operation result.
Concentricity of inner and outer cylinders: and (3) respectively carrying out least square operation on the measurement data of the one-dimensional axial distance measurement sensor 223 and the one-dimensional radial distance measurement sensor 233 at any position, and calculating the axis of the inner cylindrical surface 31 and the axis of the outer cylindrical surface 32, wherein the maximum difference of the two calculated axes is the concentricity of the inner cylinder and the outer cylinder of the cylindrical workpiece 3.
Inner and outer roundness: the difference between the maximum value and the minimum value of the measurement data at any position of the one-dimensional axial distance measuring sensor 223 and the one-dimensional radial distance measuring sensor 233 is the outer roundness and the inner roundness of the cylindrical workpiece 3 at any position.
Inner and outer cylinder degrees: the difference between the maximum value and the minimum value of the measurement data at all the measurement positions for the one-dimensional axial distance measuring sensor 223 and the one-dimensional radial distance measuring sensor 233 is the cylindricity error of the outer cylindrical surface 32 and the cylindricity of the inner cylindrical surface 31 of the cylindrical workpiece 3.
According to the high-precision online detection system for the cylinder, disclosed by the embodiment of the invention, the detection unit and the control unit are arranged on the machine tool body, so that the purpose of online measurement of the key dimension parameters of the cylinder workpiece is realized, the online measurement result can be directly used for trimming compensation processing of the cylinder workpiece, the processing precision of the cylinder workpiece is improved, and the cylinder is not required to be assembled and disassembled, so that the time can be saved and the labor can be reduced.
While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the various embodiments of the invention disclosed may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A high-precision online detection system for a cylinder is characterized by comprising:
the machine tool body (1) is used for processing and/or trimming compensation processing on the cylindrical workpiece (3);
the detection unit (2) is arranged on the machine tool body (1) and is used for acquiring the size parameters of the cylindrical workpiece; and
the control unit (4) is electrically connected with the machine tool body (1) and the detection unit (2) and is used for controlling the rotation of the cylindrical workpiece (3) and acquiring data of the detection unit (2) to realize the online measurement of the size parameters of the cylindrical workpiece (3).
2. The cylinder high-precision online detection system according to claim 1, wherein the machine tool body (1) comprises a machine tool base (13), a spindle support (12) and a Z-axis guide rail (14) are fixed on the machine tool base (13), a spindle (11) arranged along the Z-axis direction is connected to the spindle support (12), the spindle (11) fixes the cylinder workpiece (3) parallel to the axis of the spindle (11) through a cylinder workpiece clamp (16), and the Z-axis guide rail (14) is connected with a Z-axis slide carriage (15) in a sliding manner.
3. A high-precision on-line cylinder detection system according to claim 2, characterized in that the cylinder workpiece (3) comprises an inner cylindrical surface (31), an outer cylindrical surface (32) and a radial end surface (33), and the cylinder workpiece (3) is mounted on the spindle (11) of the machine body by fixing the radial end surface (33) by a cylinder workpiece fixture (16).
4. A high-precision on-line cylinder detection system according to claim 1, wherein the detection unit (2) comprises a detection assembly base (21), one surface of the detection assembly base (21) is fixed on a Z-axis slide carriage (15) of the machine tool body, the other surface is respectively provided with an inner cylinder detection assembly (22) located in the axial direction of the cylinder workpiece (3) and an outer cylinder detection assembly (23) located in the radial direction of the cylinder workpiece (3), the detection unit (2) further comprises a sensor controller (24), and the sensor controller (24) is respectively electrically connected with the main shaft (11) and the control unit (4).
5. The high-precision online detection system for the cylinders, as claimed in claim 1, is characterized in that the control unit (4) is electrically connected with the main shaft (11) of the machine tool body and the grating ruler of the Z-axis slide carriage (15), respectively.
6. The high-precision on-line cylinder detection system according to claim 4, wherein the inner cylinder detection assembly (22) comprises an inner cylinder three-axis electric sliding table (221), an inner cylinder distance measurement sensor clamp (222), a one-dimensional axial distance measurement sensor (223) and a one-dimensional axial distance measurement sensor measuring head (224), the inner cylinder triaxial electric sliding table (221) fixes the inner cylinder detection component (22) on the Z-axis slide carriage (15) through the detection component base (21), the one-dimensional axial distance measuring sensor (223) is fixed on the inner cylindrical triaxial electric sliding table (221) through an inner cylindrical distance measuring sensor clamp (222), the one-dimensional axial distance measuring sensor (223) is parallel to the Z axis, and the sensor controller (24) is electrically connected with the one-dimensional axial distance measuring sensor measuring head (224) and used for collecting and calculating measuring data and feeding the data back to the control unit (4).
7. The high-precision online cylinder detection system according to claim 4, wherein the outer cylinder detection assembly (23) comprises an outer cylinder three-axis electric sliding table (231), an outer cylinder distance measurement sensor clamp (232), a one-dimensional radial distance measurement sensor (233) and a one-dimensional radial distance measurement sensor measuring head (234), the outer cylinder triaxial electric sliding table (231) fixes an outer cylinder detection component (23) on the Z-axis slide carriage (15) through the detection component base (21), the one-dimensional radial ranging sensor (233) is fixed on the outer cylindrical triaxial electric sliding table (231) through an outer cylindrical ranging sensor clamp (232), the one-dimensional radial distance measuring sensor (233) is parallel to the X axis, and the sensor controller (24) is electrically connected with the measuring head (234) of the one-dimensional radial distance measuring sensor and used for collecting and calculating measuring data and feeding the data back to the control unit (4).
8. The high-precision online detection system for the cylinder according to claim 6 or 7, characterized in that after the one-dimensional axial distance measuring sensor (223) and the one-dimensional radial distance measuring sensor (233) are installed, a standard ball, an inner cylindrical three-axis electric sliding table (221) and an outer cylindrical three-axis electric sliding table (231) are respectively used for aligning and calibrating the one-dimensional axial distance measuring sensor measuring head (224) and the one-dimensional radial distance measuring sensor measuring head (234), so that the axes of the one-dimensional axial distance measuring sensor measuring head (224) and the one-dimensional radial distance measuring sensor measuring head (234) are ensured to be intersected, and the distances in the X direction from the axis of the main shaft (11) of the machine tool body to the one-dimensional axial distance measuring sensor measuring head (224) and the one-dimensional radial distance measuring sensor.
9. The high-precision online detection system for the cylinder according to claim 1, wherein the dimensional parameters of the cylinder workpiece comprise at least one of inner and outer diameter parameters, concentricity parameters of inner and outer cylinders, inner and outer roundness parameters, and inner and outer cylindricity parameters of the cylinder workpiece.
10. The high-precision on-line detection system for the cylinder as claimed in claim 9, wherein the inner and outer diameter parameters of the cylinder workpiece are obtained by least square operation of all measurement data of the one-dimensional axial distance measurement sensor (223) and the one-dimensional radial distance measurement sensor (233); the concentricity parameters of the inner cylinder and the outer cylinder are obtained through the difference of the peak-valley values of the inner diameter and the outer diameter measured at each position by a one-dimensional axial distance measuring sensor (223) and a one-dimensional radial distance measuring sensor (233); the inner and outer roundness parameters are obtained by the difference between the maximum value and the minimum value of all measurement data of the one-dimensional axial distance measurement sensor (223) and the one-dimensional radial distance measurement sensor (233) respectively; the parameters of the inner and outer cylinder degrees are respectively obtained by the difference of the peak value and the valley value of all measured roundness of the one-dimensional axial distance measuring sensor (223) and the one-dimensional radial distance measuring sensor (233).
CN202010253572.6A 2020-04-02 2020-04-02 Cylinder high-precision online detection system Pending CN111288950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010253572.6A CN111288950A (en) 2020-04-02 2020-04-02 Cylinder high-precision online detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010253572.6A CN111288950A (en) 2020-04-02 2020-04-02 Cylinder high-precision online detection system

Publications (1)

Publication Number Publication Date
CN111288950A true CN111288950A (en) 2020-06-16

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Application Number Title Priority Date Filing Date
CN202010253572.6A Pending CN111288950A (en) 2020-04-02 2020-04-02 Cylinder high-precision online detection system

Country Status (1)

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CN (1) CN111288950A (en)

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