CN114740489A - Surface measuring equipment for measuring laser quenched surface - Google Patents

Surface measuring equipment for measuring laser quenched surface Download PDF

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Publication number
CN114740489A
CN114740489A CN202210387582.8A CN202210387582A CN114740489A CN 114740489 A CN114740489 A CN 114740489A CN 202210387582 A CN202210387582 A CN 202210387582A CN 114740489 A CN114740489 A CN 114740489A
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CN
China
Prior art keywords
measuring
rotating shaft
support
gear
cavity
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Pending
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CN202210387582.8A
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Chinese (zh)
Inventor
束蝉方
孙珠婷
罗瞳伟
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Jiangsu Lianchen Laser Technology Co ltd
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Jiangsu Lianchen Laser Technology Co ltd
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Priority to CN202210387582.8A priority Critical patent/CN114740489A/en
Publication of CN114740489A publication Critical patent/CN114740489A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G23/00Auxiliary devices for weighing apparatus
    • G01G23/18Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention relates to the field of laser quenching, and particularly discloses surface measurement equipment for measuring the laser-quenched surface, which comprises a workbench base, wherein the workbench base is provided with a mounting seat, a first cavity is arranged in the mounting seat, a first rotating shaft is arranged in the first cavity, a first gear is arranged on the side wall of the first rotating shaft, the bottom of the first cavity is provided with a motor, the motor is positioned on one side of the first rotating shaft, the motor is connected with a second rotating shaft, one end of the second rotating shaft is connected with a second gear, the second gear is meshed with the first gear, one end of the first rotating shaft is provided with a round platform, a second cavity is arranged in the round platform, one end of the round platform, which is provided with a plurality of magnets, is provided with an annular groove, one side of the mounting seat is provided with a mounting bracket, one end of the mounting bracket is provided with a groove, an air cylinder is arranged in the groove, one end of the air cylinder is connected with a push rod, and one end of the push rod is connected with a fixed bracket, and a measuring bracket is arranged on one side face of one end of the fixed bracket, and a laser displacement sensor is arranged on the measuring bracket.

Description

Surface measuring equipment for measuring laser quenched surface
Technical Field
The invention relates to the field of laser quenching, in particular to surface measurement equipment for measuring a laser-quenched surface.
Background
Laser quenching is a surface heat treatment technology which heats a metal surface at a very fast speed by using a laser beam to carry out impact quenching, compared with a common quenching mode, the hardness of a part subjected to laser quenching is 15-20% higher, and the change of a thermal deformation area and the whole part of the part is small because the laser power density is high and the action time with a certain point on the part is short, so that the advantage is particularly outstanding for long workpieces and thin-wall workpieces. Because laser quenching is a local quenching mode, the cooling speed of the surface of a quenched part is different, so that quenching deformation and gaps are generated on the surface of the quenched part due to thermal stress and tissue stress, the quenched part is only subjected to hardness test after quenching, the surface size and whether cracks exist are important indexes for parts with higher precision, and therefore, a measuring device is needed for measuring the size and the cracks of laser quenching.
Disclosure of Invention
Deformation and gaps are generated due to thermal stress and structural stress, only a quenched part is subjected to hardness test in the existing production process, and the precision part has high requirement on dimensional precision, so that measurement equipment is required for measuring the size and the cracks.
In order to solve the technical problems mentioned in the background art, the invention provides the following technical scheme:
a surface measuring device used for measuring laser quenching comprises a workbench base and is characterized in that a mounting seat is arranged on the workbench base, a first cavity is arranged in the mounting seat, a through hole is arranged at one end of the mounting seat, one end of the through hole is connected with the first cavity, a top cover is arranged at the other end of the through hole, the size and the shape of the top cover correspond to those of the through hole, a round hole is arranged on the top cover, the round hole is concentric with the top cover, a counter bore is arranged at the bottom of the first cavity, the position of the counter bore corresponds to the round hole, a first rotating shaft is arranged in the counter bore and can rotate in the counter bore, a bearing is fixedly connected to the side wall of the first rotating shaft, the inner wall of the bearing is fixedly connected with the first rotating shaft, the outer wall of the bearing is fixedly connected with the round hole, and a first gear is arranged on the side wall of the first rotating shaft, the bottom of the first cavity is provided with a motor, the motor is located on one side of the first rotating shaft, the motor is connected with a second rotating shaft, one end of the second rotating shaft is connected with a second gear, and the second gear is meshed with the first gear.
The magnetic steel ball bearing is characterized in that a round table is arranged at one end of the first rotating shaft, a second cavity is formed in the round table, a plurality of magnets are arranged in the second cavity, and an annular groove is formed in one end of the round table.
The laser displacement measuring device is characterized in that a mounting support is arranged on one side of the mounting seat, a groove is formed in one end of the mounting support, an air cylinder is arranged in the groove, the air cylinder is fixedly mounted at the bottom of the groove, a push rod is connected to one end of the air cylinder, a fixing support is connected to one end of the push rod, a measuring support is arranged on one side of one end of the fixing support, the measuring support is of an L-shaped structure, a second groove and a third groove are formed in the inner side of the measuring support, and laser displacement sensors are arranged in the second groove and the third groove respectively.
Preferably, the measuring support is in threaded connection with the fixing support, and the measuring support can be disassembled and assembled from the fixing support.
Preferably, it is provided with the slot to measure support one end, it is provided with the extension and measures the support to measure support one end, extension measurement support one end is provided with the inserted block, inserted block and slot shape, size looks adaptation, it is connected with the inserted block cooperation through slot and inserted block with the extension measurement support to measure the support.
Preferably, the gear ratio of the first gear to the second gear is 5: 1.
preferably, the workbench base is provided with a PLC, the PLC is connected with the laser displacement sensor through a circuit, and the laser displacement sensor can transmit the measured data to the PLC and display the measured data.
Preferably, a weight sensor is arranged in the second cavity, the weight sensor is fixedly installed on one side of the magnet, the weight sensor is connected with the PLC circuit, and the motor and the air cylinder are respectively connected with the PLC circuit.
The invention has the advantages that
1. Through setting up the mount pad, set up first cavity in the mount pad, set up first axis of rotation and motor in first cavity, the second axis of rotation is connected to motor one end, set up first gear and second gear in first axis of rotation and the second axis of rotation respectively, first gear and second gear meshing, the round platform is connected to first gear one end, mount pad one side sets up the installing support, set up the measurement support on the installing support, set up second recess and third recess on the measurement support, be provided with laser displacement sensor in second recess and the third recess respectively, can place on the round platform through the metalwork that will need the measurement, reach the mesh of measurement size.
2. Through setting up the second cavity in that the round platform is inside, set up magnet in the second cavity, can adsorb the metal that will need the measurement on the round platform through the magnetism of magnet, can prevent to take place shake or displacement between the measurement in measurement process, cause measuring result inaccurate.
3. Can dismantle the connection through setting up measurement support and fixed bolster, can change the measurement support according to the size of measuring, it is more convenient, through setting up the slot in measurement support one end, be provided with the extension again and measure the support, can also can fill with the requirement of coarse measurement when measuring for the very big part of size.
4. By setting the gear ratio of the first gear and the second gear to 5: 1 can realize the effect of slowing down, prevents because the round platform slew velocity is too fast, leads to measuring the middleware to take place the displacement when measuring, causes the inaccuracy of measured data.
5. Through setting up PLC, again because PLC and laser displacement sensor circuit connection, can show laser displacement sensor's data through PLC, make things convenient for the staff to differentiate and confirm for work efficiency more.
6. Through set up weight sensor in the second cavity, again because weight sensor, motor and cylinder respectively with PLC circuit connection, the numerical value that weight sensor will obtain gives PLC, and PLC has measured between through whether having on the analysis round platform, then the work of control cylinder and motor, has realized automatic work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
fig. 4 is an enlarged view of fig. 1 at C.
FIG. 5 is a schematic view of a measurement mount and an elongated measurement mount;
FIG. 6 is an electrical connection diagram of the present invention.
In the figure: 1. a table base; 2. a mounting seat; 3. a first cavity; 4. a through hole; 5. a top cover; 6. a circular hole; 3-1, counter bores; 7. a first rotating shaft; 8. a bearing; 9. a first gear; 10. a motor; 11. a second rotating shaft; 12. a second gear; 13. a circular truncated cone; 14. a second cavity; 15. a magnet; 16. an annular groove; 17. mounting a bracket; 18. a groove; 19. a cylinder; 20. a push rod; 21. fixing a bracket; 22. a measuring support; 23. a second groove; 24. a third groove; 25. a laser displacement sensor; 26. a slot; 27. extending the measuring support; 28. Inserting a block; 29. a PLC; 30. and a weight sensor.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that relational terms such as first and second, and the like, may be used solely to distinguish one from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "fixedly connected" and "fixedly disposed" are used herein to describe the connection means including, but not limited to, "welded", "riveted", "glued" and "screwed". The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus
The terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are intended to be used only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore, should not be construed as limiting the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Referring to fig. 1-6, a surface measuring device for measuring laser-quenched surface comprises a workbench base 1, and is characterized in that a mounting base 2 is arranged on the workbench base 1, a first cavity 3 is arranged in the mounting base 2, a through hole 4 is arranged at one end of the mounting base 2, one end of the through hole 4 is connected with the first cavity 3, a top cover 5 is arranged at the other end of the through hole 4, the size and shape of the top cover 5 correspond to those of the through hole 4, a round hole 6 is arranged on the top cover 5, the round hole 6 is concentric with the top cover 5, a counter bore 3-1 is arranged at the bottom of the first cavity 3, the position of the counter bore 3-1 corresponds to that of the round hole 6, a first rotating shaft (7) is arranged in the counter bore 3-1, the first rotating shaft (7) can rotate in the counter bore (3-1), fixedly connected with bearing 8 on the 7 lateral walls of first axis of rotation, 8 inner walls of bearing and 7 fixed connection of first axis of rotation, 8 outer walls of bearing with 6 fixed connection of round hole, be provided with first gear 9 on the 7 lateral walls of first axis of rotation, 3 bottoms of first cavity are provided with motor 10, motor 10 is located 7 one sides of first axis of rotation, motor 10 is connected with second axis of rotation 11, 11 one end of second axis of rotation is connected with second gear 12, second gear 12 with the meshing of first gear 7.
A round table 13 is arranged at one end of the first rotating shaft 7, a second cavity 14 is formed in the round table 13, a plurality of magnets 15 are arranged in the second cavity 14, and an annular groove 16 is formed in one end of the round table 13.
Mounting base 2 one side is provided with installing support 17, installing support 17 one end is provided with recess 18, be provided with cylinder 19 in the recess 18, cylinder 19 fixed mounting be in recess 18 bottom, cylinder 19 one end is connected with push rod 20, push rod 20 one end is connected with fixed bolster 21, fixed bolster 21 one end side is provided with measures support 22, measure support 22 and be L shape structure, measure support 22 inboard and be provided with second recess 23 and third recess 24, be provided with laser displacement sensor 25 in second recess 23 and the third recess 24 respectively.
Preferably, the measuring bracket 22 is screwed to the fixing bracket 21, and the measuring bracket 22 is detachable from the fixing bracket 21.
Preferably, measurement support 22 one end is provided with slot 26, measurement support 22 one end is provided with extension measurement support 27, extension measurement support 27 one end is provided with inserted block 28, inserted block 28 and slot 26 shape, size looks adaptation, measurement support 22 is connected with extension measurement support 27 through slot 26 and inserted block 28 cooperation.
Preferably, the gear ratio of the first gear 11 to the second gear 12 is 5: 1.
preferably, the table base 1 is provided with a PLC29, the PLC29 is electrically connected with the laser displacement sensor 25, and the laser displacement sensor 25 can transmit and display the measured data to a PLC 29.
Preferably, a weight sensor 30 is arranged in the second cavity 14, the weight sensor 30 is fixedly installed on one side of the magnet 15, the weight sensor 30 is electrically connected with the PLC29, and the motor 10 and the cylinder 19 are respectively electrically connected with the PLC 29.
In actual operation, a worker places a quenching piece to be measured on the circular table 13, at the moment, the weight sensor 30 transmits an obtained signal to the PLC29, the PLC29 obtains a workpiece to be measured on the circular table 13 through analysis, at the moment, the PLC29 controls the motor 10 and the air cylinder 19 to work, the air cylinder 19 moves the fixing support 21 up and down, the fixing support 21 drives the measuring support 22 to move up and down until the measuring support 22 moves above a measuring room, at the moment, the motor 10 works, the motor drives the second gear 12 to rotate, the second gear 12 drives the first gear 9 to rotate, the first gear 9 drives the first rotating shaft 7 to rotate, the first rotating shaft 7 drives the circular table 13 to rotate, at the moment, the laser displacement sensor 25 measures the rotating quenching piece, and the size of the quenching piece can be measured comprehensively.
After the measurement is finished, the PLC29 displays the measured data, and the staff can take the measurement room off the circular truncated cone at the moment.

Claims (6)

1. A surface measuring device for measuring laser-quenched surface comprises a workbench base (1) and is characterized in that a mounting seat (2) is arranged on the workbench base (1), a first cavity (3) is arranged in the mounting seat (2), a through hole (4) is formed in one end of the mounting seat (2), one end of the through hole (4) is connected with the first cavity (3), a top cover (5) is arranged at the other end of the through hole (4), the size and the shape of the top cover (5) correspond to those of the through hole (4), a round hole (6) is formed in the top cover (5), the round hole (6) is concentric with the top cover (5), a counter bore (3-1) is formed in the bottom of the first cavity (3), the position of the counter bore (3-1) corresponds to that of the round hole (6), a first rotating shaft (7) is arranged in the counter bore (3-1), the first rotating shaft (7) can rotate in the counter bore (3-1), a bearing (8) is fixedly connected to the side wall of the first rotating shaft (7), the inner wall of the bearing (8) is fixedly connected with the first rotating shaft (7), the outer wall of the bearing (8) is fixedly connected with the round hole (6), a first gear (9) is arranged on the side wall of the first rotating shaft (7), a motor (10) is arranged at the bottom of the first cavity (3), the motor (10) is located on one side of the first rotating shaft (7), the motor (10) is connected with a second rotating shaft (11), one end of the second rotating shaft (11) is connected with a second gear (12), and the second gear (12) is meshed with the first gear (7);
a round table (13) is arranged at one end of the first rotating shaft (7), a second cavity (14) is formed in the round table (13), a plurality of magnets (15) are arranged in the second cavity (14), and an annular groove (16) is formed at one end of the round table (13);
mounting seat (2) one side is provided with installing support (17), installing support (17) one end is provided with recess (18), be provided with cylinder (19) in recess (18), cylinder (19) fixed mounting be in recess (18) bottom, cylinder (19) one end is connected with push rod (20), push rod (20) one end is connected with fixed bolster (21), fixed bolster (21) one end side is provided with measures support (22), it is L shape structure to measure support (22), it is provided with second recess (23) and third recess (24) to measure support (22) inboard, be provided with laser displacement sensor (25) in second recess (23) and third recess (24) respectively.
2. The surface measuring apparatus for measuring a laser-quenched surface as recited in claim 1, wherein the measuring bracket (22) is screw-coupled to a fixing bracket (21), and the measuring bracket (22) is detachable from the fixing bracket (21).
3. The surface measuring device used for measuring the laser quenching surface according to claim 2, wherein one end of the measuring support (22) is provided with a slot (26), one end of the measuring support (22) is provided with an extension measuring support (27), one end of the extension measuring support (27) is provided with an insert block (28), the insert block (28) is matched with the slot (26) in shape and size, and the measuring support (22) and the extension measuring support (27) are matched and connected with the insert block (28) through the slot (26).
4. A surface measuring apparatus for measuring after laser quenching according to claim 3, characterized in that the gear ratio of the first gear (11) to the second gear (12) is 5: 1.
5. the surface measuring device used for measuring the laser quenching surface as claimed in claim 4, characterized in that the workbench base (1) is provided with a PLC (29), the PLC (29) is connected with the laser displacement sensor (25) in a circuit mode, and the laser displacement sensor (25) can transmit the measuring data to the PLC (29) and display the measuring data.
6. The surface measuring device used for measuring the laser quenching surface as claimed in claim 5, wherein a weight sensor (30) is arranged in the second cavity (14), the weight sensor (30) is fixedly arranged on one side of the magnet (15), the weight sensor (30) is in circuit connection with the PLC (29), and the motor (10) and the air cylinder (19) are in circuit connection with the PLC (29) respectively.
CN202210387582.8A 2022-04-13 2022-04-13 Surface measuring equipment for measuring laser quenched surface Pending CN114740489A (en)

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