CN109540012B - Comprehensive performance testing machine for angle grinder - Google Patents

Comprehensive performance testing machine for angle grinder Download PDF

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Publication number
CN109540012B
CN109540012B CN201811632201.8A CN201811632201A CN109540012B CN 109540012 B CN109540012 B CN 109540012B CN 201811632201 A CN201811632201 A CN 201811632201A CN 109540012 B CN109540012 B CN 109540012B
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CN
China
Prior art keywords
angle grinder
comprehensive performance
permanent magnet
testing machine
rocker
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CN201811632201.8A
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Chinese (zh)
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CN109540012A (en
Inventor
张辉
陈俊
刘晓东
张一�
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Zhejiang Crown Electric Tools Manufacture Co ltd
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Zhejiang Crown Electric Tools Manufacture Co ltd
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    • 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
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention provides a comprehensive performance testing machine for an angle grinder, which comprises a plurality of support plates, wherein one ends of the support plates are provided with arc-shaped pits for accommodating the angle grinder therein, the side surface of the front end of the support plate is provided with a first induction sensor and a laser sensor, the front of the support plate is horizontally provided with a magnetic chuck, the magnetic chuck is arranged on a permanent magnet rocker capable of horizontally swinging, one end of the permanent magnet rocker is provided with a permanent magnet, two permanent magnet cylinder connecting parts are arranged at positions, opposite to the permanent magnet, of the two sides of the rocker, and the front of the magnetic chuck is provided with a laser displacement sensor for detecting the distance data change quantity of the rocker. The invention provides a comprehensive performance testing machine for an angle grinder, which realizes the work of completing the comprehensive performance test of backlash, rotating speed and high pressure by placing a special clamp after the whole machine is aged, and the measured data are consistent with actual and real data, so that the repeatability is uniform, the working intensity of staff is reduced, and the leak protection of product detection is ensured.

Description

Comprehensive performance testing machine for angle grinder
Technical Field
The invention belongs to the field of electric tool testing, and particularly relates to a comprehensive performance testing machine for an angle grinder.
Background
In the current comprehensive test of the electric tool, particularly the comprehensive detection of tooth gaps, rotating speeds, screw installation and the like of an angle grinder is completed by stations controlled by a plurality of workers, and the measurement of the tooth gaps and the rotating speeds by the traditional production line adopts the pure manual detection, so that the dependence of the detection accuracy on the actual skills of the measuring workers is greatly improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the comprehensive performance testing machine for the angle grinder, which realizes the work of completing the comprehensive performance test of backlash, rotating speed and high pressure by placing a special clamp after the complete machine is aged, and the measured data accords with actual and real data, has uniform repeatability, ensures that all detection indexes are out of tolerance and carry out audible and visual alarm, greatly improves the working efficiency of the whole line, reduces the working intensity of staff and ensures the leak protection of product detection.
The aim of the invention can be achieved by the following technical scheme: the comprehensive performance testing machine for the angle grinder comprises a first testing bottom plate which is horizontally arranged, and a second testing bottom plate which is fixed on the first testing bottom plate; the testing device further comprises a plurality of supporting plates which are vertically arranged on the second testing bottom plate, wherein one end of each supporting plate far away from the first testing bottom plate is provided with an arc-shaped recess for accommodating the angle grinder therein; a first induction sensor and a laser sensor are arranged on the side surface of the front end of the supporting plate, wherein the first induction sensor is used for detecting whether the angle grinder is installed at a designated position or not, and the laser sensor is used for detecting the rotating speed of the angle grinder; the front of the supporting plate is horizontally provided with a magnetic chuck, the magnetic chuck is arranged on a permanent magnet rocker capable of horizontally swinging, one end of the permanent magnet rocker is provided with a permanent magnet, and two permanent magnet cylinder connecting parts are arranged on the positions, opposite to the permanent magnet, of the two sides of the rocker; and a laser displacement sensor is arranged in front of the magnetic sucker and used for detecting the change amount of the rocker distance data.
In the comprehensive performance testing machine for the angle grinder, the middle part of the magnetic chuck is provided with the central hole, and when the angle grinder is arranged on the supporting plate, the output shaft is placed in the central hole of the magnetic chuck.
In the above-mentioned comprehensive performance testing machine for an angle grinder, the first sensor may send an alarm signal when detecting that the angle grinder is not mounted at a specified position.
In the above-mentioned comprehensive performance testing machine for angle grinder, further comprising a pressure head, wherein the pressure head is perpendicular to the first testing bottom plate, and the pressure head cylinder controls the up-and-down movement to loosen or press the angle grinder mounted on the supporting plate.
In the above-mentioned comprehensive performance testing machine for angle grinder, the rear end fixedly connected with of backup pad mutually perpendicular sets up first fixed plate and second fixed plate, with be equipped with first touch needle and second inductive sensor on the parallel second fixed plate of permanent magnet rocker, first touch needle is used for detecting angle grinder high pressure comprehensive properties, and detects whether neglected loading screw, second inductive sensor is used for detecting whether angle grinder installs in place and whether neglected loading screw.
In the comprehensive performance testing machine for the angle grinder, the comprehensive performance testing machine further comprises a tracing code cylinder component, wherein the tracing code cylinder component is opposite to the side face of the angle grinder, and after the inspection is completed, the tracing code cylinder component moves towards the direction close to the angle grinder until the qualified production tracing code is marked on the angle grinder.
In the comprehensive performance testing machine for the angle grinder, a second touch needle is arranged at the arc-shaped concave part of the supporting plate and used for detecting the high-pressure comprehensive performance of the angle grinder.
The comprehensive performance testing machine for the angle grinder has the following advantages:
1. The meshing gap detection of the big teeth and the bevel teeth of the angle grinder is realized by the principle of the like poles repel of the permanent magnets and the laser ranging sensor, the secondary detection of any stop position of the gear meshing of the product can be set, and the uniformity of detection data is verified;
2. The method has the advantages that the work of testing the tooth gap, the rotating speed and the high-voltage comprehensive performance of the angle grinder is finished at one time, the stations of the traditional production line are optimized, the operation labor intensity is reduced, the comprehensive performance of the tested machine is effectively detected to be foolproof and leak-proof, the modularization and quick model change of similar products are realized by adjusting and replacing part of jigs, the three stations of the traditional production line are perfectly combined, two stations are saved, and the measured display data are consistent with the actual data of the products;
3. PLC control, double-hand safe starting, safety grating protection, emergency stop button, product placement dislocation detection, poor data average sound and light alarm detection;
4. and automatically marking traceable symbols on the fixed positions of all the qualified products.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a top view of the angle grinder of the present invention in place.
Fig. 3 is a perspective view of the angle grinder of the present invention in place.
In the figure, 1. A first test base plate; 2. a second test floor; 3. a first support plate; 4. a second support plate; 5. a third support plate; 6. a backing plate; 7. a third fixing plate; 8. a first fixing plate; 9. a second fixing plate; 10. an angle grinder; 13. a switch; 25. a laser sensor; 28. a second touch needle; 29. a laser displacement sensor; 30. a magnetic chuck; 31 permanent magnet rockers; 33 permanent magnets; 38. a permanent magnet cylinder connecting part; 39. a pressure head; 40. a first touch needle; 44. a traceback code cylinder component; 46. a first inductive sensor; 47. a second inductive sensor.
Detailed Description
An embodiment of the present invention, as shown in fig. 1-3, includes an activation switch 13 for controlling the operation of the combination property tester for the angle grinder. The test device further comprises a first test bottom plate 1 and a second test bottom plate 2 which are horizontally arranged, wherein the second test bottom plate 2 is horizontally fixed on the first test bottom plate 1. The second testing bottom plate 2 is provided with a plurality of supporting plates, and one end of each supporting plate far away from the first testing bottom plate 1 is provided with an arc-shaped recess for accommodating the angle grinder therein. The present embodiment preferably employs three support plates: a first support plate 3, a second support plate 4 and a third support plate 5.
The position that first backup pad 3 is the rear portion of a plurality of backup pads, and fixedly connected with mutually perpendicular first fixed plate 8 and second fixed plate 9 that set up are fixed in the direction with second fixed plate 9 and first backup pad 3, are equipped with first touch needle 40 and second sensor 47 fixedly, and wherein first touch needle 40 is used for detecting the angle mill high pressure comprehensive properties of arranging in the backup pad and detecting whether neglected loading screw, and second sensor 47 is used for detecting whether angle mill installs in place and whether neglected loading screw simultaneously.
The second support plate 4 is located between the first support plate 3 and the third support plate 5, a second touch needle 28 is arranged in an arc-shaped concave position of the third support plate 5 and used for detecting high-voltage comprehensive performance of the angle grinder, and a first induction sensor 46 and a laser sensor 25 are arranged on the side face of the front end of the third support plate. The first sensor 46 is used to detect whether the angle grinder is properly placed in the detection position and whether the screw sensor is missed, and when the angle grinder is detected not to be installed in the designated position, the comprehensive performance test machine sends out an alarm signal. The laser sensor 25 is used to detect the rotational speed of the angle grinder and record the detected data.
A magnetic chuck 30 is horizontally provided in front of the third support plate 5, and a central hole is provided in the middle of the magnetic chuck, and when the angle grinder 10 is placed on the support plate, the output shaft of the angle grinder 10 is placed in the central hole of the magnetic chuck 30. A permanent magnet rocker 31 is horizontally provided in front of the third support plate 5, the magnetic chuck 30 is mounted on the permanent magnet rocker 31, and the permanent magnet rocker 31 can swing around the axial direction of the center hole of the magnetic chuck 30.
A permanent magnet 33 is arranged at one end of the permanent magnet rocker 31, two permanent magnet cylinder connecting parts 38 are arranged at positions opposite to the permanent magnet 33 at two sides of the rocker, and permanent magnets are also arranged at the ends of the permanent magnet cylinder connecting parts 38 opposite to the permanent magnets. The comprehensive performance testing machine for the angle grinder further comprises a laser displacement sensor 29 arranged in front of the magnetic sucker 30, wherein the laser displacement sensor 29 is used for detecting the change amount of the rocker distance data and transmitting the detected data to the comprehensive performance testing machine for the angle grinder.
The comprehensive performance testing machine for the angle grinder further comprises a pressing head 39, wherein the pressing head 39 is perpendicular to the first testing bottom plate 1, and the pressing head cylinder controls the up-and-down motion to loosen or press the angle grinder 10 arranged on a plurality of supporting plates. And a traceability code cylinder component 44, wherein the traceability code cylinder component 44 is opposite to the side surface of the angle grinder 10, and after the traceability code cylinder component 44 is qualified, the traceability code cylinder component 44 moves towards the direction close to the angle grinder until the qualified production traceability code is marked on the angle grinder.
The whole working flow is as follows: after ageing, the angle grinder is required to be detected, an inner pressing plate and an outer pressing plate are firstly arranged on an output shaft and are screwed, the output shaft faces downwards to be placed in a detection machine position of the comprehensive performance tester, an output shaft of the tested machine is aligned to be placed in a center hole of the magnetic chuck, the tested machine is guaranteed to be placed in place, and if the placement position is incorrect, the comprehensive performance tester can give an audible and visual alarm through the first induction sensor after being started by two hands. The magnetic chuck attracts the outer pressing plate of the angle grinder to be measured, then the power wire of the angle grinder to be detected is inserted into a power socket which is arranged on the comprehensive performance testing machine and is output by a power voltage stabilizer, a starting button of the comprehensive performance testing machine is started by two hands, and the pressure head moves downwards through a pressure head cylinder.
The device is fixed by compaction, the magnetic chuck resets and attracts the outer pressing plate of the tested machine through the action of the cylinder, the actual gap between the big teeth and the umbrella teeth of the tested machine is transmitted through the fixed permanent magnet rocking bars, the permanent magnet rocking bars are pushed to move by the proper force of the permanent magnet cylinder connecting part, the laser displacement sensor detects the change quantity of distance data and transmits the change quantity to the PLC of the comprehensive performance testing machine to react to the touch screen for display, and the tooth gap of the tested machine is detected. The PLC pre-programs automatically control the rotation speed of the tested machine to be detected, the switch is turned on, and after the tested machine runs for a few seconds and the rotation speed is stable, the laser sensor reflects the detected stable data to the touch screen to be displayed through the PLC, and the rotation speed detection of the tested machine is completed. The PLC pre-programs automatically control to enter the high-voltage comprehensive performance detection of the tested machine, the switch is unlocked and the starting switch of the tested machine is locked again, at the moment, the power supply of a power supply voltage stabilizer is disconnected, the high-voltage power sent by the high-voltage detector of the other route comprehensive performance tester is transmitted to the positions of the tested machine head shell and the fastening screw through 28/40, meanwhile, whether the screw is neglected to be installed or not can be detected through the first touch needle and the second induction sensor, measured data are converted and displayed to the touch screen of the comprehensive performance tester through the high-voltage detector, and finally the PLC of the comprehensive performance tester can comprehensively judge and display the normal detection to the touch screen. So far, the comprehensive performance of the backlash, the rotating speed and the high voltage of the normal angle grinder is finished once, and after all items to be detected pass through qualified, the traceability code cylinder part works and prints qualified factory traceability codes. The machine can enter the system through the touch screen to set the secondary of the tested machine or manually detect the tooth gap through the permanent magnet rocker, and verify the meshing gap of any contact position of the big tooth and the bevel tooth of the tested machine.
The invention provides a comprehensive performance testing machine for an angle grinder, which realizes the work of completing the comprehensive performance test of backlash, rotating speed and high pressure by placing a special clamp after the complete machine is aged, and the measured data accords with actual and real data, is uniform in repeatability, has out-of-tolerance audible and visual alarm of each detection index, greatly improves the working efficiency of the whole line, reduces the working intensity of staff and ensures the leak protection of product detection. .
The embodiments disclosed are not particularly limited to the embodiments shown herein. Any modification, equivalent replacement, improvement, etc. of the present invention should fall within the protection scope of the present invention.

Claims (7)

1. A comprehensive performance testing machine for an angle grinder is characterized in that,
The test device comprises a first test bottom plate which is horizontally arranged, and a second test bottom plate which is fixed on the first test bottom plate; the testing device further comprises a plurality of supporting plates which are vertically arranged on the second testing bottom plate, wherein one end of each supporting plate far away from the first testing bottom plate is provided with an arc-shaped recess for accommodating the angle grinder therein; the plurality of support plates comprise a first support plate, a second support plate and a third support plate, wherein the first support plate, the second support plate and the third support plate are sequentially arranged from back to front;
A first induction sensor and a laser sensor are arranged on the side surface of the front end of the third supporting plate, wherein the first induction sensor is used for detecting whether the angle grinder is installed at a designated position or not, and the laser sensor is used for detecting the rotating speed of the angle grinder; a magnetic chuck is horizontally arranged in front of the third supporting plate, the magnetic chuck is arranged on a permanent magnet rocker capable of horizontally swinging, a permanent magnet is arranged at one end of the permanent magnet rocker, and two permanent magnet cylinder connecting parts are arranged at positions, opposite to the permanent magnet, of two sides of the rocker; and a laser displacement sensor is arranged in front of the magnetic sucker and used for detecting the change amount of the rocker distance data.
2. The comprehensive performance testing machine for an angle grinder according to claim 1, wherein:
the middle part of the magnetic chuck is provided with a central hole, and when the angle grinder is arranged on the plurality of support plates, the output shaft is placed in the central hole of the magnetic chuck.
3. The comprehensive performance testing machine for an angle grinder according to claim 2, wherein:
And when the first induction sensor detects that the angle grinder is not installed at the designated position, the comprehensive performance test machine sends out an alarm signal.
4. A comprehensive performance testing machine for an angle grinder according to claim 3, wherein:
the device also comprises a pressure head which is perpendicular to the first test bottom plate, and the pressure head cylinder controls the up-and-down movement to loosen or press the angle grinder arranged on the support plate.
5. The comprehensive performance testing machine for an angle grinder according to claim 4, wherein:
The rear end fixedly connected with of first backup pad mutually perpendicular sets up first fixed plate and second fixed plate, with be equipped with first touch needle and second sensor on the second fixed plate that permanent magnet rocker is parallel, first touch needle is used for detecting angle mill high pressure comprehensive properties, and detects whether neglected loading screw, second sensor is used for detecting whether angle mill installs in place and whether neglected loading screw.
6. The comprehensive performance testing machine for an angle grinder according to claim 1, wherein:
the system comprises an angle grinder, a tracing code cylinder component, a tracing code control device and a control device, wherein the tracing code cylinder component is opposite to the side face of the angle grinder, and after the inspection is completed, the tracing code cylinder component moves towards the direction close to the angle grinder until a production qualified ex-situ tracing code is marked on the angle grinder.
7. The comprehensive performance testing machine for an angle grinder according to claim 1, wherein:
And a second touch needle is arranged at the arc-shaped concave part of the third supporting plate and used for detecting the high-pressure comprehensive performance of the angle grinder.
CN201811632201.8A 2018-12-29 2018-12-29 Comprehensive performance testing machine for angle grinder Active CN109540012B (en)

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Application Number Priority Date Filing Date Title
CN201811632201.8A CN109540012B (en) 2018-12-29 2018-12-29 Comprehensive performance testing machine for angle grinder

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Application Number Priority Date Filing Date Title
CN201811632201.8A CN109540012B (en) 2018-12-29 2018-12-29 Comprehensive performance testing machine for angle grinder

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CN109540012B true CN109540012B (en) 2024-05-14

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2360846Y (en) * 1999-03-10 2000-01-26 浙江省机电设计研究院 Angle polisher performance automatic detecting table
DE102008031105A1 (en) * 2008-07-01 2010-01-07 Schaeffler Kg Automatic balancing device i.e. balancing element, for rotating machine part i.e. grinding disk, of angular grinder, has imbalance compensating disk comprising two semi shells made of fiber-reinforced plastic
CN102095593A (en) * 2010-12-08 2011-06-15 浙江华电器材检测研究所 System for testing load durability of handheld electric tool and special test rack thereof
CN102830031A (en) * 2012-09-06 2012-12-19 廊坊盛森磨具有限公司 Grinding wheel cutting sheet performance testing machine
CN102947053A (en) * 2010-04-20 2013-02-27 罗伯特·博世有限公司 Angle grinder comprising a yaw rate sensor for measuring the housing rotation
CN103063956A (en) * 2012-12-27 2013-04-24 苏州劲翔电子科技有限公司 Electric drill angle grinder aging test equipment
CN209131595U (en) * 2018-12-29 2019-07-19 浙江皇冠电动工具制造有限公司 A kind of angle grinder all-round property testing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2360846Y (en) * 1999-03-10 2000-01-26 浙江省机电设计研究院 Angle polisher performance automatic detecting table
DE102008031105A1 (en) * 2008-07-01 2010-01-07 Schaeffler Kg Automatic balancing device i.e. balancing element, for rotating machine part i.e. grinding disk, of angular grinder, has imbalance compensating disk comprising two semi shells made of fiber-reinforced plastic
CN102947053A (en) * 2010-04-20 2013-02-27 罗伯特·博世有限公司 Angle grinder comprising a yaw rate sensor for measuring the housing rotation
CN102095593A (en) * 2010-12-08 2011-06-15 浙江华电器材检测研究所 System for testing load durability of handheld electric tool and special test rack thereof
CN102830031A (en) * 2012-09-06 2012-12-19 廊坊盛森磨具有限公司 Grinding wheel cutting sheet performance testing machine
CN103063956A (en) * 2012-12-27 2013-04-24 苏州劲翔电子科技有限公司 Electric drill angle grinder aging test equipment
CN209131595U (en) * 2018-12-29 2019-07-19 浙江皇冠电动工具制造有限公司 A kind of angle grinder all-round property testing machine

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Inventor after: Zhang Hui

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