CN201275725Y - Reciprocating stroke control device of numerical control honing machine - Google Patents
Reciprocating stroke control device of numerical control honing machine Download PDFInfo
- Publication number
- CN201275725Y CN201275725Y CNU2008201774809U CN200820177480U CN201275725Y CN 201275725 Y CN201275725 Y CN 201275725Y CN U2008201774809 U CNU2008201774809 U CN U2008201774809U CN 200820177480 U CN200820177480 U CN 200820177480U CN 201275725 Y CN201275725 Y CN 201275725Y
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- honing machine
- main shaft
- control device
- belt
- rotary encoder
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Abstract
The utility model relates to a stroke control device of a honing machine, in particular to a reciprocating stroke control device of a CNC (computer numerical control) honing machine. The control device comprises a transmission mechanism and a rotary encoder (5); wherein, the input end of the transmission mechanism is connected with a main shaft (1) of the honing machine, and the output end of the transmission mechanism is connected with an input shaft of the rotary encoder (5), thus converting the reciprocating linear motion of the main shaft (1) of the honing machine into the rotary motion of the input shaft of the rotary encoder (5); however, the signal output end of the rotary encoder (5) is electrically communicated with the input end of a controller which can control the motion of the main shaft (1) on the honing machine. The reciprocating stroke control device replaces the method of detecting the position of the main shaft by a machinery in the prior art with the method of detecting the position of the main shaft by the rotary encoder, thus enhancing the controlling precision and sensitivity; moreover, data can be set by a human-computer interface of a PLC (programmable controller), thus being convenient for changing the stroke and direction-changing points of the main shaft, and further realizing an extremely small reciprocating stroke.
Description
Technical field
The utility model relates to the travel control device of honing machine, especially reciprocation stroke control device of numerical control honing machine.
Background technology
The reciprocating stroke precision control of numerical control honing machine is the bottleneck of restriction honing machine high speed development always, existing numerical control honing machine can realize adopting the main shaft startup magnetic valve of Programmable Logic Controller (PLC) control hydraulic drive mechanism to start/stop to move of main shaft, the valve of corresponding hydraulic drive mechanism realizes but the commutation of main shaft is still controlled mechanically, existing honing machine adopts a plurality of mechanical stroke switches to come the position of indirect detection main shaft, Stroke Control is by transmission mechanism, rectilinear motion is converted into the rotation collision of collision block or the collision of slide block changes the reciprocal commutation of honing machine as mechanical sprocket wheel, reciprocal stroke is by the adjustment slide block, realize the position of collision block.China's utility model patent " automotive electronics steering gear " (Granted publication number: CN 2695319Y, Granted publication day: on April 27th, 2005, application number: 200420041812.2) disclose a kind of direction of rotation and angle that detects vehicle steering by rotary encoder, export control circuit to, again by the device of step motor control gear-box with the realization motor turning.
Yet also there are some defectives in the reciprocating stroke control device of existing numerical control honing machine:
1, changes the installation site that stroke needs manually to adjust switch, not only inconvenience but also cause easily than mistake;
2, mechanical switch in use weares and teares easily, becomes flexible even damages, and influences positioning accuracy;
3, for keeping precision, need the position of frequent correcting switch;
4, because switch has certain appearance and size, can't install when causing the too small stroke of requirement.
The utility model content
It is flexible that the purpose of this utility model provides a kind of adjustment, and the efficient height adopts contactless, no collision block to control, precision height and can be used for the reciprocation stroke control device of numerical control honing machine of little Stroke Control.
The technical solution of the utility model is:
A kind of reciprocation stroke control device of numerical control honing machine, its special feature is, comprise transmission mechanism and rotary encoder, wherein the input of transmission mechanism is connected with honing machine spindle, thereby the linear reciprocating motion that its output is connected honing machine spindle with the power shaft of rotary encoder is converted into rotatablely moving of rotary encoder power shaft, and can control the electric UNICOM of input of the controller of motion of main shaft on the signal output part of rotary encoder and the honing machine.
Further, wherein the drive unit of main shaft is a hydraulic drive mechanism, be respectively equipped with main shaft on this hydraulic drive mechanism and start magnetic valve and main shaft reversing solenoid valve, the output of the controller on the described honing machine starts the electric UNICOM of control end of magnetic valve and main shaft reversing solenoid valve respectively with main shaft.
Further, wherein transmission mechanism comprises a connecting rod, thereby an end of this connecting rod only is connected with honing machine spindle in main shaft same moved further during rectilinear motion vertically by bearing, the other end of connecting rod is fixed on the driving-belt, and the axle of the belt wheel of this driving-belt is fixedlyed connected with the power shaft of rotary encoder.
Wherein the axle of the belt wheel of driving-belt is connected by shaft coupling with the power shaft of rotary encoder.
Wherein driving-belt is timing belt, V-belt or " O " type band.
Wherein on driving-belt, be fixed with a sensor block, be installed with a zero point that can cooperate near switch on the driving-belt side with this sensor block, this zero point is near the electric UNICOM of controller input of switching signal output and honing machine, thereby the reference coordinate at zero point of honing machine spindle position is provided for controller.
Wherein one limes superiors that also can cooperate with described sensor block is installed near switch near the switch upper fixed other zero point at driving-belt, this limes superiors is near the electric UNICOM of controller input of switching signal output and honing machine, thereby the limes superiors reference coordinate of main spindle's is provided for the honing machine controller.
Further, its middle controller is a Programmable Logic Controller.
Further, wherein Programmable Logic Controller is furnished with touch-screen or industrial computer as man-machine interface.
The utility model adopts transmission mechanism that honing machine spindle straight reciprocating motion vertically is converted into and rotatablely moves, and detecting this by rotary encoder rotatablely moves, and then the direction of motion of honing machine spindle and position are sent among the PLC on the honing machine by pulse signal, send command signal and go to control the hydraulic drive mechanism that magnetic valve control main shaft back and forth reaches commutation thereby the target value that PLC sets with touch-screen or industrial computer in view of the above compares, realize the reciprocating stroke of main shaft is controlled accurately.The utility model replaces with the mode that adopts rotary encoder to detect main spindle's with the mode of available technology adopting mechanical detection main spindle's, control accuracy and sensitivity have been improved, and by PLC and touch screen human-computer interface data setting, just can change the stroke and the reversal point of main shaft easily, more can realize minimum reciprocating stroke.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is a structural representation of the present utility model;
Accompanying drawing 3 is the schematic diagram of background technology in the utility model;
Accompanying drawing 4 is a theory diagram of the present utility model.
The specific embodiment
Come the utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model comprises transmission mechanism and rotary encoder 5, wherein the input of transmission mechanism is connected with honing machine spindle 1, its output is connected with the power shaft of rotary encoder 5, thereby the linear reciprocating motion of main shaft 1 is converted into rotatablely moving of rotary encoder 5 power shafts, and the electric UNICOM of controller input of the signal output part of rotary encoder 5 and honing machine, wherein the drive unit of honing machine spindle 1 adopts hydraulic drive mechanism, be respectively equipped with control main shaft main shaft startup magnetic valve that starts/stop and main shaft reversing solenoid valve that controlling the main shaft commutation on this hydraulic drive mechanism, the output of controller starts the electric UNICOM of control end of magnetic valve and main shaft reversing solenoid valve respectively on the honing machine with main shaft, this controller can control that to be used for drive shaft 1 reciprocal by the respective electrical magnet valve, the hydraulic drive mechanism of commutation, thereby the reciprocating motion of control main shaft 1, concrete control mode and process are the routine techniques that uses in the existing numerical control honing machine.
As shown in Figure 1, transmission mechanism comprises a connecting rod 2, one end of this connecting rod 2 is connected with main shaft 1 by bearing, thereby same moved further when main shaft 1 moves vertically only, and when main shaft 1 rotates vertically, keep motionless, the other end of connecting rod 2 is fixed on the driving-belt 3, the axle of the belt wheel 4 of this driving-belt 3 and the power shaft of rotary encoder 5 are by shaft coupling or otherwise fixedly connected, so that the two synchronous rotation, driving-belt 3 can adopt timing belt, V-belt or " O " type band.
As shown in Figure 2, on driving-belt 3, be fixed with a sensor block 6, it typically is an iron body, be installed with a zero point that can cooperate near switch 7 on driving-belt 3 sides with this sensor block 6, this zero point is near the electric UNICOM of controller input of switch 7 signal output parts and honing machine, thereby the reference coordinate at zero point of a main shaft 1 position is provided for controller.
As shown in Figure 2, one limes superiors that also can cooperate with sensor block 6 is installed near switch 8 near switch 7 upper fixed 3 other zero points at driving-belt, the electric UNICOM of controller input of this limes superiors and honing machine same near switch 8 signal output parts, thus the limes superiors reference coordinate of a main shaft 1 position is provided for controller.
The controller of numerical control honing machine adopts Programmable Logic Controller PLC, and PLC also can be furnished with touch-screen or the industrial computer as man-machine interface.
The pulse that the rotary encoder 5 that present embodiment adopts sends divides pulse of A phase and B pulse mutually, A, B two-phase pulse have been arranged, the CPU high-speed counting end of PLC just can be according to the order of two-phase pulse arrival, judge the rotation direction of rotary encoder 5, be rotated in the forward to adding counting as setting, then reverse rotation is for subtracting counting.
What the numerical control honing machine in the present embodiment used is Omron CJ1M Programmable Logic Controller, carries the high-speed counting unit of a 100KHz.The reciprocating speed of general honing machine 3-30 rice/minute, be that maximum reciprocating speed is 500 mm/second, suppose that encoder is driven by belt wheel 4 direct connections, belt wheel 4 diameters are 60 millimeters, perimeter L=188.4 millimeter, then the encoder maximum speed is (500/188.4) revolutions per second, be about 2.65 revolutions per seconds, as encoder revolution output pulse 10000P/R, then the encoder highest frequency is 26.5KHz, much smaller than 100KHz, the rotary encoder 5 that present embodiment is selected for use is ORMON E6B2-CWZ6C-2000P/R, revolution can be exported 2000 A, the B pulse, and the CPU of Omron CJ1M gets the skip signal of rising edge and trailing edge as count signal to the pulse of high speed input, be equivalent to the pulse signal that rotary encoder 5 sends is had the effect of quadruple, be that rotary encoder 5 revolves and goes around, the 8000P/R counting is pressed in the high-speed counting unit of CPU, even also can not exceed the highest count frequency of CPU like this, need not to add in addition and counts hardware cell at a high speed.
Operation principle of the present utility model is:
Upper and lower reversal point with the reciprocal total travel of numerical control honing machine, zero point, reference coordinate numerical value was placed in the middle of the different DM address of CJ1M data register mode area with decimal number respectively, with these numerical value is desired value, and the high-speed counting input is currency through accumulated counts or the tired counting that subtracts that rotary encoder sends, compare with currency and several objects value, just can calculate the position of main shaft, result relatively can send interruption, and the control main shaft back and forth is commutation downwards or upwards commutation.
As previously mentioned, if pulley diameters is 60 millimeters, perimeter L=188.4 millimeter, the ORMON E6B2-CWZ6C-2000P/R rotary encoder umber of pulse of sending that whenever turns around is 8000, the distance that each pulse representative of rotary encoder moves back and forth is a pulse equivalency, calculate pulse equivalency=188.4/8000=0.02356 millimeter/commentaries on classics, according to this pulse equivalency can calculate from zero point the reference coordinate branch be clipped to, the distance (umber of pulse) of following reversal point and limes superiors reference coordinate, the numerical value of these distances can be used as their coordinate, and the difference of the coordinate of reversal point is the distance of reciprocating stroke up and down.After the reciprocating stroke of main shaft is determined, change the coordinate figure of upper and lower reversal point, can change the reciprocal stroke section of main shaft, the setting of these numerical value can directly be carried out by man-machine interfaces such as touch-screen or industrial computers, is sent in the DM district register of CJ1M according to corresponding communications protocol then.
The course of work of the present utility model is exactly that straight-line displacement with main shaft is converted into by transmission mechanism and rotatablely moves, detect for rotary encoder, at first by determining the reference coordinate at zero point near the cooperation of switch and sensor block zero point, calculate the coordinate of reversal point up and down according to processing request again, and by among the man-machine interface input PLC as desired value, the result that rotary encoder detects sends forward or negative-going pulse signal in proportion according to what and direction of displacement, export among the PLC of numerical control honing machine, after high-speed counter counting and CPU processing, can obtain the currency of main spindle's, again by with PLC in desired value compare, PLC exports comparative result by output relay, control respective electrical magnet valve, and then control to be used for drive shaft reciprocal, the hydraulic drive mechanism of commutation is realized the reciprocating stroke of main shaft is carried out accurate control automatically.
Claims (9)
1, a kind of reciprocation stroke control device of numerical control honing machine, it is characterized in that: comprise transmission mechanism and rotary encoder (5), wherein the input of transmission mechanism is connected with honing machine spindle (1), its output with rotary encoder (5) thus the linear reciprocating motion that is connected honing machine spindle (1) of power shaft be converted into rotatablely moving of rotary encoder (5) power shaft, and can control the electric UNICOM of input of the controller of main shaft (1) motion on the signal output part of rotary encoder (5) and the honing machine.
2, reciprocation stroke control device of numerical control honing machine as claimed in claim 1, it is characterized in that: wherein the drive unit of main shaft (1) is a hydraulic drive mechanism, be respectively equipped with main shaft on this hydraulic drive mechanism and start magnetic valve and main shaft reversing solenoid valve, the output of the controller on the described honing machine starts the electric UNICOM of control end of magnetic valve and main shaft reversing solenoid valve respectively with main shaft.
3, reciprocation stroke control device of numerical control honing machine as claimed in claim 2, it is characterized in that: wherein transmission mechanism comprises a connecting rod (2), one end of this connecting rod (2) by bearing with honing machine spindle (1) thus only be connected in main shaft (1) same moved further during rectilinear motion vertically, the other end of connecting rod (2) is fixed on the driving-belt (3), and the axle of the belt wheel (4) of this driving-belt (3) is fixedlyed connected with the power shaft of rotary encoder (5).
4, reciprocation stroke control device of numerical control honing machine as claimed in claim 3 is characterized in that: wherein the axle of the belt wheel (4) of driving-belt (3) is connected by shaft coupling with the power shaft of rotary encoder (5).
5, reciprocation stroke control device of numerical control honing machine as claimed in claim 3 is characterized in that: wherein driving-belt (3) is timing belt, V-belt or " O " type band.
6, reciprocation stroke control device of numerical control honing machine as claimed in claim 3, it is characterized in that: wherein on driving-belt (3), be fixed with a sensor block (6), be installed with a zero point that can cooperate near switch (7) on driving-belt (3) side with this sensor block (6), this zero point is near the electric UNICOM of controller input of switch (7) signal output part and honing machine, thereby the reference coordinate at zero point of honing machine spindle (1) position is provided for controller.
7, reciprocation stroke control device of numerical control honing machine as claimed in claim 6, it is characterized in that: wherein one limes superiors that also can cooperate with described sensor block (6) is installed near switch (8) near switch (7) upper fixed other zero point at driving-belt (3), this limes superiors is near the electric UNICOM of controller input of switch (8) signal output part and honing machine, thereby the limes superiors reference coordinate of main shaft (1) position is provided for the honing machine controller.
8, as any described reciprocation stroke control device of numerical control honing machine in the claim 1 to 7, it is characterized in that: its middle controller is a Programmable Logic Controller.
9, reciprocation stroke control device of numerical control honing machine as claimed in claim 8 is characterized in that: wherein Programmable Logic Controller is furnished with touch-screen or the industrial computer as man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201774809U CN201275725Y (en) | 2008-10-28 | 2008-10-28 | Reciprocating stroke control device of numerical control honing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201774809U CN201275725Y (en) | 2008-10-28 | 2008-10-28 | Reciprocating stroke control device of numerical control honing machine |
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| Publication Number | Publication Date |
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| CN201275725Y true CN201275725Y (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201774809U Expired - Fee Related CN201275725Y (en) | 2008-10-28 | 2008-10-28 | Reciprocating stroke control device of numerical control honing machine |
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| CN (1) | CN201275725Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737477A (en) * | 2013-12-25 | 2014-04-23 | 四川富临集团成都机床有限责任公司 | Method and device for measuring and automatically repairing cylindricity error for numerical control honing machine |
| CN110614616A (en) * | 2019-09-18 | 2019-12-27 | 天璟科技(深圳)有限公司 | Rotary platform |
| CN111665780A (en) * | 2020-06-16 | 2020-09-15 | 京华派克邯郸机械科技有限公司 | Reciprocating motion reversing control method |
| CN114354183A (en) * | 2021-12-09 | 2022-04-15 | 昆明北方红外技术股份有限公司 | Damping detection device and method for high-precision linear transmission mechanism |
-
2008
- 2008-10-28 CN CNU2008201774809U patent/CN201275725Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737477A (en) * | 2013-12-25 | 2014-04-23 | 四川富临集团成都机床有限责任公司 | Method and device for measuring and automatically repairing cylindricity error for numerical control honing machine |
| CN110614616A (en) * | 2019-09-18 | 2019-12-27 | 天璟科技(深圳)有限公司 | Rotary platform |
| CN111665780A (en) * | 2020-06-16 | 2020-09-15 | 京华派克邯郸机械科技有限公司 | Reciprocating motion reversing control method |
| CN114354183A (en) * | 2021-12-09 | 2022-04-15 | 昆明北方红外技术股份有限公司 | Damping detection device and method for high-precision linear transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |