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CN-122008019-A - Numerical control double-end-face compound grinding machine with thickness detection function and detection method thereof

CN122008019ACN 122008019 ACN122008019 ACN 122008019ACN-122008019-A

Abstract

The invention relates to the field of double-end-surface grinding machines and provides a numerical control double-end-surface compound grinding machine with a thickness detection function and a detection method thereof, the numerical control double-end-surface compound grinding machine comprises a machine base for supporting, a guide rail assembly is arranged in the machine base and used for conveying materials, a feeding assembly and a pushing assembly are respectively arranged at the tops of two ends of the guide rail assembly, the feeding assembly is used for feeding the materials, the pushing assembly is used for feeding the materials, and through the arrangement of the feeding assembly, the pushing assembly and other structures, a feeding detection assembly and a discharging detection assembly are integrated on two sides of the guide rail assembly, so that the thickness detection of the materials can be finished on line before and after grinding, offline sampling or manipulator grabbing is not needed, the detection process is synchronous with the production beat, the detection gap is eliminated, the continuous uninterrupted monitoring of each discharged material is realized, the detection efficiency and the coverage rate are improved, and the problems of insufficient continuity, the detection precision limitation and poor product consistency in the prior art are solved.

Inventors

  • TANG MINGXING
  • ZHAO YONGGUI
  • YU BINBIN
  • XU YUANJUN
  • LI YUANXING
  • HU QIXIANG
  • YANG TAO
  • XIN YONGQUAN
  • CHEN WANPING

Assignees

  • 四川京都龙泰科技有限公司
  • 成都珑泰科技有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The numerical control double-end-face compound grinding machine with the thickness detection function comprises a machine base (1) used for supporting, wherein a guide rail assembly (7) is arranged in the machine base (1), the guide rail assembly (7) is used for conveying materials, a feeding assembly (2) and a pushing assembly (3) are respectively arranged at the tops of two ends of the guide rail assembly (7) of the machine base (1), the feeding assembly (2) is used for feeding the materials, the pushing assembly (3) is used for feeding the materials, grinding head assemblies (5) are further arranged on two sides of the machine base (1), and the grinding head assemblies (5) are used for grinding two side faces of the materials, and are characterized in that; The guide rail assembly (7) is formed by sequentially connecting a feeding guide rail group (71), a middle guide rail group (72) and a discharging guide rail group (73), wherein the feeding guide rail group (71) is fixedly connected to a feeding end of the machine base (1), the discharging guide rail group (73) is fixedly connected to a discharging end of the machine base (1), and the middle guide rail group (72) is simultaneously connected to one ends of the feeding guide rail group (71) and the discharging guide rail group (73); the feeding guide rail device is characterized in that two sides of the feeding guide rail group (71) are fixedly connected with feeding detection assemblies (8), and the feeding detection assemblies (8) are used for pre-detecting feeding sizes of materials; Both sides of ejection of compact guide rail group (73) all fixedly connected with ejection of compact detects assembly (9), ejection of compact detects assembly (9) are used for the clearance when discharging the material and the ejection of compact detection of material.
  2. 2. The numerical control double-end-surface compound grinding machine with the thickness detection function according to claim 1, wherein the feeding detection assembly (8) consists of a feeding guide plate (81), a feeding detection end (82) and at least two ultrasonic sensors (84), the feeding guide plate (81) is fixedly connected to the top of the feeding guide rail group (71) in an adjustable mode, the feeding detection end (82) is fixedly connected to the top of the feeding guide plate (81), the at least two ultrasonic sensors (84) are symmetrically arranged and installed inside the feeding detection end (82), and a sensor installation plate (85) is arranged at the tail end of each ultrasonic sensor (84); The discharging detection assembly (9) consists of a discharging guide piece (91), a side cleaning assembly (92), two auxiliary centering assemblies (93), a discharging detection assembly (94), a pneumatic cleaning assembly (95) and an air pump (96); The air pump (96) is installed one side of frame (1), the adjustable fixed connection of ejection of compact guide blade (91) is in the top of ejection of compact guide rail group (73), side clearance subassembly (92) supplementary centering subassembly (93) ejection of compact detection subassembly (94) and pneumatic clearance subassembly (95) are installed in proper order the top of ejection of compact guide blade (91).
  3. 3. The numerical control double-end-surface compound grinder with the thickness detection function according to claim 2, wherein the side cleaning component (92) consists of an inner groove mounting box (921) and a blade mounting head (922), the inner groove mounting box (921) is fixedly connected to the top of the discharging guide piece (91), the blade mounting head (922) is movably hinged to one side of the inner groove mounting box (921), the end part of the blade mounting head (922) is fixedly connected with a cleaning blade (923) through a screw, and the cleaning blade (923) is an inclined plane and extends out of the inner groove mounting box (921); The blade mounting head (922) and the inner groove mounting box (921) are hinged together and are hinged with at least two first nitrogen springs (924) which are symmetrically arranged, the blade mounting head (922) and the inner groove mounting box (921) are fixedly connected with dustproof organ sheets (925) together, and through grooves are formed in the inner groove mounting box (921) and used for cleaning dirt to be sent out.
  4. 4. The numerical control double-end-surface compound grinding machine with the thickness detection function according to claim 2, wherein two auxiliary centering components (93) are arranged in parallel, each auxiliary centering component (93) consists of a centering guide box (931) and a centering guide frame (933), each centering guide box (931) is fixedly connected to the top of each discharging guide piece (91), each centering guide frame (933) is slidably arranged in each centering guide box (931), at least four second nitrogen springs (932) which are symmetrically arranged are hinged between each centering guide frame (933) and each centering guide box (931) in a common movable mode, a plurality of rotating rollers (934) which are distributed at equal intervals are rotatably arranged in each centering guide frame (933), and each rotating roller (934) extends out of the corresponding centering guide box (931); At least one duck-shaped nozzle (935) is arranged in the centering guide box (931), two symmetrically arranged duck-shaped nozzles (935) on two discharging guide plates (91) are connected with an air inlet connecting branch pipe (936) together, an air inlet precise regulating valve (937) is arranged on the air inlet connecting branch pipe (936), an air inlet main pipe (938) is arranged at the input end of the air inlet precise regulating valve (937), and the air inlet main pipe (938) is connected with the output end of the air pump (96).
  5. 5. The numerical control double-end-face compound grinding machine with the thickness detection function according to claim 2, wherein the pneumatic cleaning component (95) is composed of air knife bodies (951), the air knife bodies (951) are installed at the top of the discharging guide plates (91) and are arranged on one side of the side cleaning component (92), the air knife bodies (951) which are arranged symmetrically and are located on the two discharging guide plates (91) are commonly connected with air knife branch pipes (952), air knife precise regulating valves (953) are installed on the air knife branch pipes (952), air knife main pipes (954) are installed at the input ends of the air knife precise regulating valves (953), and the air knife main pipes (954) are mutually connected with the output ends of the air pumps (96).
  6. 6. The numerical control double-end-face compound grinding machine with a thickness detection function according to claim 2, wherein the discharge detection assembly (94) consists of a discharge detection box (941) and at least two laser sensors (942), the discharge detection box (941) is installed at the top of the discharge guide piece (91) and is arranged at the other side of the cleaning assembly, the two laser sensors (942) are symmetrically arranged and installed inside the discharge detection box (941), and an inclined-plane anti-fouling plate (945) is further arranged on the side surface of the discharge detection box (941) connected with the cleaning assembly; the tail end of the laser sensor (942) is provided with a power supply end (943), and the top of the laser sensor (942) is provided with a signal connection end (944).
  7. 7. The numerical control double-end-surface compound grinding machine with the thickness detection function according to claim 1, wherein the feeding assembly (2) consists of a feeding tile shifting mounting frame (21) and a feeding electric cylinder (22), the feeding tile shifting mounting frame (21) is fixedly connected to one side of the machine base (1) and is arranged at the top of the feeding guide rail group (71), the feeding electric cylinder (22) is mounted on one side of the feeding tile shifting mounting frame (21), a tile shifting guide rail (23) is fixedly connected to the top of the feeding tile shifting mounting frame (21), a tile shifting slide plate (24) is movably sleeved on the tile shifting guide rail (23), the tile shifting slide plate (24) is connected with the output end of the feeding electric cylinder (22), and a tile shifting block (25) is fixedly connected to the bottom of the tile shifting slide plate (24); The pushing assembly (3) is composed of a pushing tile-pulling mounting frame (31) and a pushing electric cylinder (32), the pushing tile-pulling mounting frame (31) is fixedly connected to the other side of the machine base (1) and is arranged at the top of the discharging guide rail group (73), the pushing electric cylinder (32) is mounted on one side of the pushing tile-pulling mounting frame (31), a pushing tile guide rail (33) is fixedly connected to one side of the pushing tile-pulling mounting frame (31), a pushing tile slider (34) is movably sleeved on the outer peripheral surface of the pushing tile guide rail (33), the pushing tile slider (34) is connected with the output end of the pushing electric cylinder (32), and a pushing tile block (35) is mounted at the bottom of the pushing tile slider (34).
  8. 8. The numerical control double-end-face compound grinder with the thickness detection function according to claim 1, wherein a pressing tile assembly (4) and a waterway assembly (6) penetrating through the top of the pressing tile assembly are further arranged in the base (1); The tile pressing assembly (4) consists of a tile pressing installation frame (41) and a tile pressing air cylinder (42), the tile pressing installation frame (41) is fixedly connected to the top of the base (1), the tile pressing air cylinder (42) is installed at the top of the tile pressing installation frame (41), a tile pressing shaft (44) is installed at the output end of the tile pressing air cylinder (42), a height adjusting handle (43) is sleeved on the outer circumferential surface of the tile pressing shaft (44), and a tile pressing plate (45) is fixedly connected to the bottom of the tile pressing shaft (44); The water path assembly (6) is composed of a water path main pipe (61), the water path main pipe (61) penetrates through the top of the machine base (1) and is connected with the top of the machine base (1), two ends of the water path main pipe (61) are respectively provided with a water path connecting pipe (62) and a flushing head (63), and the water path main pipe (61) is further provided with a pneumatic ball valve (64).
  9. 9. The numerical control double-end-face compound grinding machine with the thickness detection function according to claim 1, wherein the grinding head assembly (5) is composed of two grinding head motors (51), the two grinding head motors (51) are respectively installed on two sides of the machine base (1), a grinding head axial adjusting assembly (52) is sleeved at the output end of the grinding head motor (51), the grinding head axial adjusting assembly (52) is connected with the machine base (1), a grinding head body (53) is installed at the tail end of the output end of the grinding head motor (51), and a grating sensor (54) is installed on one side of the grinding head assembly (5).
  10. 10. The method for detecting the thickness of a double-ended grinding machine according to any one of claims 1 to 8, wherein, S1, presetting thickness parameters, setting a thickness standard value and an allowable deviation range of a processed magnetic shoe through a touch screen of an electric control system, and respectively setting detection thresholds of a feeding detection assembly (8) and a discharging detection assembly (9); S2, feeding pre-detection, namely when the processed magnetic shoe is conveyed to a feeding guide rail by a feeding assembly (2), a feeding detection end (82) of a feeding detection assembly (8) carries out non-contact pre-detection on the thickness of the magnetic shoe, a thickness pre-detection value is obtained, and the pre-detection value is transmitted to a PLC control system; S3, comparing and feeding back the thickness, wherein the PLC control system compares the thickness pre-detection value with a preset thickness standard value, and if the thickness pre-detection value exceeds an allowable deviation range, the control system sends an alarm signal and pauses feeding; s4, monitoring the thickness in the grinding process, and keeping a laser sensor (942) in a discharging detection assembly (9) in a to-be-triggered state in the grinding process of grinding the end surfaces on two sides of the magnetic shoe by a grinding head assembly (5), and purging a detection area of the laser sensor (942) at fixed time or continuously by a pneumatic cleaning assembly (95) to prevent dust accumulation from affecting the detection precision; s5, final detection of the material discharging, namely centering the grinded magnetic shoe through an auxiliary centering component (93), entering a region of a material discharging detection component (94), simultaneously performing final detection on the thickness of the magnetic shoe through two symmetrically arranged laser sensors (942), obtaining a final thickness detection value, and transmitting the final thickness detection value to a PLC control system; s6, processing a detection result, comparing the final thickness detection value with a preset thickness standard value by the PLC control system, if the final thickness detection value meets the standard, sending out the magnetic shoe through the pushing component (3), and if the final thickness detection value does not meet the standard, recording the magnetic shoe information and sending out a sorting signal by the control system, and simultaneously automatically adjusting grinding parameters of the grinding head component (5) according to the deviation value to realize closed-loop control.

Description

Numerical control double-end-face compound grinding machine with thickness detection function and detection method thereof Technical Field The invention relates to the field of double-end-face grinding machines, in particular to a numerical control double-end-face compound grinding machine with a thickness detection function and a detection method thereof. Background The double-end-face grinding machine is grinding equipment widely applied to the fields of magnetic materials, hard alloys, precise ceramics and the like, and simultaneously carries out grinding processing on two end faces of a workpiece through grinding heads symmetrically arranged on two sides, and has the advantages of high processing efficiency, good size consistency and the like. In the production process of products such as tile-shaped magnets, the dimensional accuracy of the axial length is a key quality index influencing the assembly performance and the use effect of the products, so that the detection and control of the thickness of the ground workpiece are important links for ensuring the quality of the products. The device and the method for automatically detecting the thickness of a grinding piece on line for a double-end-face grinding machine are disclosed in the prior application publication No. CN117984173A, and the device and the method for automatically detecting the thickness of the grinding piece on line for the double-end-face grinding machine are disclosed, and comprise a proximity switch, a controller, a manipulator assembly and a measuring table assembly, wherein the proximity switch is fixed at the tail end of a discharge hole of the double-end-face grinding machine, when a workpiece to be detected is detected at the position of the proximity switch, a signal is sent to the controller, the controller controls the manipulator assembly to grasp the workpiece to be detected, the workpiece to be detected is placed at a measuring station, and the measuring table assembly detects the thickness of the workpiece to be detected. The method has the advantages that the workpiece is required to be taken out from a production line through a mechanical arm and transferred to an independent measuring table for offline detection, the detection efficiency is limited by the beat of the mechanical arm, continuous online detection of discharging of each workpiece cannot be realized, detection clearance performance leads to detection omission risks, second, only single-point detection of a discharging end is set, blanks with out-of-tolerance size cannot be screened out before grinding processing, invalid processing and resource waste are caused, third, detection precision is directly affected by cooling liquid and grinding scraps attached to the surface of the workpiece, and the detection posture of the workpiece is not uniform, so that measurement errors are further aggravated, and accuracy and reliability of detection results are difficult to ensure. Disclosure of Invention The invention provides a numerical control double-end-face compound grinding machine with a thickness detection function and a detection method thereof, which solve the problems of insufficient continuity, limited detection precision and poor product consistency in the related technology. The invention has the technical scheme that the numerical control double-end-face compound grinding machine with the thickness detection function and the detection method thereof comprise a machine base for supporting, wherein guide rail assemblies are arranged in the machine base, the guide rail assemblies are used for conveying materials, and a feeding assembly and a pushing assembly are respectively arranged at the tops of two ends of the guide rail assemblies of the machine base, wherein the feeding assembly is used for feeding materials, and the pushing assembly is used for feeding materials; the guide rail assembly is formed by sequentially connecting a feeding guide rail group, a middle guide rail group and a discharging guide rail group, the feeding guide rail group is fixedly connected to the feeding end of the machine base, the discharging guide rail group is fixedly connected to the discharging end of the machine base, and the middle guide rail group is simultaneously connected to one ends of the feeding guide rail group and the discharging guide rail group; The feeding guide rail assembly is fixedly connected with feeding detection assemblies at two sides of the feeding guide rail assembly, and the feeding detection assemblies are used for pre-detecting feeding sizes of materials; the two sides of the discharging guide rail group are fixedly connected with discharging detection assemblies, and the discharging detection assemblies are used for cleaning materials during discharging and detecting the discharging of the materials. As a preferable scheme of the invention, the feeding detection assembly consists of a feeding guide plate, a feeding detection end and at least two u