CN108247453A - Sander - Google Patents

Sander Download PDF

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Publication number
CN108247453A
CN108247453A CN201611238336.7A CN201611238336A CN108247453A CN 108247453 A CN108247453 A CN 108247453A CN 201611238336 A CN201611238336 A CN 201611238336A CN 108247453 A CN108247453 A CN 108247453A
Authority
CN
China
Prior art keywords
sander
polishing
identification
motor
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611238336.7A
Other languages
Chinese (zh)
Inventor
钟红风
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201611238336.7A priority Critical patent/CN108247453A/en
Publication of CN108247453A publication Critical patent/CN108247453A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/18Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Sander of the present invention is related to grinding tool technical field, its purpose is to provide it is a kind of replace polishing element after being capable of intelligent speed changing, safe and reliable, efficient sander.Sander of the present invention includes motor, the polishing element being connected with motor and the controller for motor to be controlled to rotate, the sander further comprises identification sensor, the identification sensor is electrically connected with the controller, whether the identification sensor is provided with sensing element for identification polishing element, when being equipped with sensing element on element of polishing, the identification sensor exports the first identification signal, when being fitted without sensing element on element of polishing, the identification sensor exports the second identification signal, the controller can correspondingly control the First Speed and second speed of output motor according to first identification signal and the second identification signal.

Description

Sander
Technical field
The present invention relates to grinding tool technical field, more particularly to a kind of sander.
Background technology
Sander is widely used in the polishing sanding on metope or ground, because the application scenarios of sanding are different, to be applicable in not Same grinding operating mode, can install sand plate of different shapes, realize multi-functional grinding, such as plate sand plate and circle sand plate.But plate sand plate It is different with circle sand plate required rotating speed in process of lapping.Multifunction sander on existing market is furnished with and can select The governor of speed is to cope with different applications, but existing technological deficiency is since governor needs artificial selection, to behaviour The technical ability of author there are certain requirements, if selection mistake, can influence sanding effect.
Invention content
Based on this, the present invention for sand plate replacement need artificial selection rotating speed the problem of, provide it is a kind of replacement sand plate after can Intelligent speed changing, safe and reliable, efficient sander.
A kind of sander, the polishing element being connected including motor, with motor and the control for motor to be controlled to rotate Device, the sander further comprise identification sensor, and the identification sensor is electrically connected with the controller, and the identification passes Sensor is for identifying whether polishing element is provided with sensing element, when being equipped with sensing element on element of polishing, the identification Sensor exports the first identification signal, when being fitted without sensing element on element of polishing, the identification sensor output second Identification signal, the controller can correspondingly control output motor according to first identification signal and the second identification signal First Speed and second speed.
The First Speed and the second speed are set in advance in the controller in one of the embodiments,.
The polishing element includes sand plate, grinding wheel, abrasive band or polishing wheel in one of the embodiments,.
The sand plate is circle sand plate or plate sand plate in one of the embodiments,.
The identification sensor is Hall sensor in one of the embodiments, and the sensing element is magnet steel.
The sander includes a connecting pole in one of the embodiments, and there is the connecting pole one end to be beaten to described Element extension is ground, the identification sensor is set to the connecting pole close to one end of the polishing element.
The sander further includes drive disk in one of the embodiments, and output terminal and the drive disk of the motor connect It connects, the drive disk is connect with the polishing element, and the connecting pole is arranged between the swing foot of sander and drive disk.
The identification sensor and sensing element face setting in one of the embodiments,.
Whether above-mentioned sander recognizes the polishing element with sensing element according to identification sensor, and intelligent control changes Become the speed of service of motor.After replacing different types of polishing element, it is no longer necessary to manually adjust, pass through the knowledge of identification sensor Not, controller can be controlled correctly to be adjusted to motor speed on the suitable speed needed for polishing element, intelligence is convenient, safely may be used It leans on, it is efficient.
Description of the drawings
Fig. 1 is the structure diagram of the sander of one embodiment of the invention;
Fig. 2 is the structure diagram of the sander of another embodiment of the present invention;It is illustrated as not installing the shape of polishing element State;
Fig. 3 is the structure diagram of the sander of another embodiment of the present invention;It is illustrated as the state of installation polishing element;
Fig. 4 is the principle schematic of the detection sensor of sander of the present invention;
Reference sign:
Casing 100;Polishing element 200;Detection sensor 500;Trigger rod piece 510;Swing foot 600;Drive disk 700;Know Individual sensor 800;Sensing element 810;Connecting pole 820;Main switch 900.
Specific embodiment
To make technical solution of the present invention clearer, the present invention is made below in conjunction with drawings and the specific embodiments further detailed It describes in detail bright.
Referring to Fig. 1 as the sander in one embodiment of the invention, including casing 100, the electricity being arranged in casing 100 Machine, the polishing element 200 being connected with motor and for control motor rotate controller, polishing element 200 to object into Row sanding operation.Controller be mounted on casing 100 on, motor is controlled by controller, controller can control motor rotating speed and It turns to.Sander is additionally provided with identification sensor 800, and identification sensor 800 is electrically connected with the controller.Identification sensor 800 is used Sensing element 810 whether is provided in identification polishing element 200.When being equipped with sensing element 810 on element 200 of polishing, know Individual sensor 800 exports the first identification signal.When being fitted without sensing element 810 on element 200 of polishing, identification sensor 800 the second identification signals of output.Controller can correspondingly control output according to the first identification signal and the second identification signal The First Speed and second speed of motor.
The mode of sensing element 810 is identified by using identification sensor 800, the operation of motor can be changed with intelligent control Speed.After replacing different types of polishing element 200, it is no longer necessary to manually adjust, by the identification of identification sensor 800, i.e., Motor speed can be correctly adjusted on the suitable speed needed for different polishing elements 200 by controller, intelligence is convenient, safety Reliably, it is efficient.
In one embodiment, First Speed and the second speed are set in advance in controller.
Identification sensor 800 can also identify that different sensing elements generates different identification informations, identification sensor 800 Identification information is passed into the controller, controller controls the speed of service of motor according to different identification informations.Identification passes Sensor 800 can be RFID sensor, and sensing element is RF tag, and RFID sensor reads different RF tags, will know Other information passes to controller, and controller controls motor according to different identification informations, motor is made to run at different rates.
In one embodiment, the polishing element 200 includes sand plate, grinding wheel, abrasive band or polishing wheel etc..
Wherein, sand plate is circle sand plate or plate sand plate.Sand plate of different shapes is installed, for different grinding operating modes, is realized Multi-functional grinding.Plate sand plate and circle sand plate required rotating speed in process of lapping are different, general circle sand plate high speed rotations, Plate sand plate low speed rotation.In order to realize according to different sand plates carry out intelligence with speed function, circle sand plate and plate sand plate in, one sets Sensing element 810, a non-inductive element 810 are equipped with, therefore identification sensor 800 can be known by whetheing there is sensing element 810 Do not go out plate sand plate or circle sand plate.Identification sensor 800 and then the pre-set velocity for controlling controller change motor, control motor It is operated with the appropriate speed needed for different sand plates.
Sensing element 810 is preferably provided on plate sand plate, because circle sand plate 210 is circular symmetric structure, is arranged on round sand When on plate 210, needing circle sand plate 210 rotating to suitable position makes sensing element 810 and identification sensor 800 opposite, plate sand Plate 220 relatively easily makes sensing element 810 opposite with identification sensor 800 when installing.Second speed is more than First Speed at this time, When being changed to round sand plate, identification sensor 800 does not recognize sensing element 810, the output of identification sensor 800 second identification letter Number, controller control motor is operated with second speed, to run at high speed.When being changed to plate sand plate, identification sensor 800 recognizes During sensing element 810, identification sensor 800 exports the first identification signal, and controller control motor is operated with First Speed, is low Speed operating.
In one embodiment, the identification sensor 800 is preferably Hall sensor, and sensing element 810 is magnet steel.When When Hall sensor detects the plate sand plate with magnet steel, Hall sensor exports the first identification signal, makes controller control electricity Machine speed is First Speed.Identification sensor 800 can also be photoelectric sensor, preferably reflector type optoelectronic switch, sense Element 810 is reflector, and when the circle sand plate not with reflector is mounted, the light that reflector type optoelectronic switch is sent out is justified sand Plate, which blocks, to be recycled, and reflector type optoelectronic switch exports the second identification signal at this time, and it is the to make controller control motor speed Two speed.
In one embodiment, sander further includes a connecting pole 820, and connecting pole 820 has one end to polishing element 200 Extension, identification sensor 800 are set to connecting pole 820 close to one end of polishing element 200.
In one embodiment, sander further includes drive disk 700, and the output terminal of motor is connect with drive disk 700, driving Disk 700 is connect with polishing element 200, and connecting pole 820 is set between the swing foot 600 of sander and drive disk 700.
In one embodiment, identification sensor 800 and the setting of 810 face of sensing element.
Further, as shown in Figures 2 and 3, sander further includes detection sensor 500, and detection sensor 500 is used to examine Survey whether polishing element 200 is installed, when element 200 of polishing is in installation condition, detection sensor output first detection signal; When element of polishing is in non-installation condition, detection sensor output the second detection signal, when sensor output the second detection letter Number when, controller control motor it is inoperative.
Above-mentioned sander detects whether polishing element 200 is installed by detection sensor 500, and whether motor is actuated for Control.When element 200 of polishing is not installed, control motor makes it that can not operate, and prevents motor abnormality from starting operating, drives exposed Output terminal rotation generate safety problem.
In one embodiment, detection sensor 500 includes detecting element, and trigger element is equipped on element 200 of polishing, When detecting element senses trigger element, detection sensor exports first detection signal, and motor can operate at this time.Work as detection When element is not sensed by trigger element, detection sensor output the second detection signal, controller controls motor inoperative.
Specifically, detecting element is triggered with trigger element for contact.Preferably, detecting element is microswitch, triggering Element is triggering rod piece 510.When element 200 of polishing is in installation condition, triggering rod piece 510 can be contacted with microswitch, And microswitch is made to export first detection signal, controller can control motor to operate at this time.Do not pacify when polishing element 200 is in During dress state, triggering rod piece 510 is detached from microswitch, and makes microswitch output the second detection signal, at this time controller control Motor processed is inoperative.Specifically, as Fig. 4, microswitch are series in the control circuit between controller and motor, pass through fine motion Switch is closed or disconnects control circuit.When the polishing installation of element 200 is not detected, microswitch disconnects control circuit, at this time Controller is unable to control electric motor starting operating.Main switch 900 is additionally provided on sander, main switch 900 is electrically connected with control circuit It connects, for controlling the break-make of control circuit.After element 200 of polishing is installed, microswitch in an ON state, is opened at this time Main switch, control circuit connection, control motor operating drive polishing element 200 to carry out sanding operation.When that will polish, element 200 unloads After load, microswitch is off, even if opening main switch at this time, control circuit is also in off-state, electric at this time Machine cannot operate.
The position of triggering rod piece 510 can also be arranged on the housing 100 of sander.As shown in Fig. 2, specifically, sanding Machine further includes drive disk 700, and the output terminal of motor is connect with drive disk 700, and drive disk 700 is connect with polishing element 200, is triggered Rod piece 510 is arranged between the swing foot 600 of sander and drive disk 700, and is vertically arranged with polishing element 200.Polishing member When part 200 is installed, polishing element 200 is jacked up rod piece 510 is triggered, and then connects microswitch, the first inspection of microswitch output Signal is surveyed, that is, connects control circuit, controller can control motor to operate.After element 200 of polishing unloads, triggering rod piece 510 is multiple Position, microswitch are off, microswitch output the second detection signal, and then disconnect control circuit, controller control Motor is inoperative.Specifically, through-hole is set on housing 100, guide rod is stretched out from through-hole, can control microswitch connect and It disconnects, after polishing element 200 is installed, 200 upper surface of polishing element jacks up guide rod.Elastic component, such as spring are set on guide rod, it can After polishing element 200 unloads, reset guide rod by elastic force and be detached from microswitch.
Detecting element and trigger element may be contactless triggering.Preferably, detecting element is Hall sensor, is touched Hair element is magnet steel (not shown).When Hall sensor detects magnet steel, Hall sensor output first detection signal is at this time Controller can control motor to operate.When magnet steel is not detected in Hall sensor, Hall sensor output the second detection signal, The motor of controller control at this time is inoperative.Detection sensor 500 can also be electromagnetic type, photo-electric, differential transformer type, electric whirlpool The noncontacting proximity sensors such as streaming, condenser type, dry-reed detect whether polishing element 200 pacifies by above-mentioned detection sensor Dress.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (8)

1. a kind of sander, the polishing element being connected including motor, with motor and the controller for motor to be controlled to rotate, It is characterized in that, the sander further comprises identification sensor, the identification sensor is electrically connected with the controller, institute State identification sensor for identify polishing element whether be provided with sensing element, when polishing element on sensing element is installed when, The identification sensor exports the first identification signal, when being fitted without sensing element on element of polishing, the identification sensor The second identification signal is exported, the controller can correspondingly be controlled according to first identification signal and the second identification signal The First Speed and second speed of output motor.
2. sander according to claim 1, which is characterized in that the First Speed and the second speed are preset In the controller.
3. sander according to claim 1, which is characterized in that the polishing element includes sand plate, grinding wheel, abrasive band or throwing Halo.
4. sander according to claim 3, which is characterized in that the sand plate is circle sand plate or plate sand plate.
5. according to any sanders of claim 1-4, which is characterized in that the identification sensor is Hall sensor, The sensing element is magnet steel.
6. sander according to claim 1, which is characterized in that the sander includes a connecting pole, the connecting pole With one end to the polishing element extension, the identification sensor is set to the connecting pole close to the one of the polishing element End.
7. sander according to claim 6, which is characterized in that the sander further includes drive disk, the motor Output terminal is connect with drive disk, and the drive disk is connect with the polishing element, and the connecting pole is arranged on the swing of sander Between foot and drive disk.
8. sander according to claim 1, which is characterized in that the identification sensor and the sensing element face are set It puts.
CN201611238336.7A 2016-12-28 2016-12-28 Sander Pending CN108247453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611238336.7A CN108247453A (en) 2016-12-28 2016-12-28 Sander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611238336.7A CN108247453A (en) 2016-12-28 2016-12-28 Sander

Publications (1)

Publication Number Publication Date
CN108247453A true CN108247453A (en) 2018-07-06

Family

ID=62719026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611238336.7A Pending CN108247453A (en) 2016-12-28 2016-12-28 Sander

Country Status (1)

Country Link
CN (1) CN108247453A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103054482A (en) * 2012-01-06 2013-04-24 惠阳亚伦塑胶电器实业有限公司 Food processor capable of identifying knives and processing knife identification control method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103054482A (en) * 2012-01-06 2013-04-24 惠阳亚伦塑胶电器实业有限公司 Food processor capable of identifying knives and processing knife identification control method

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Application publication date: 20180706

RJ01 Rejection of invention patent application after publication