CN208880472U - Sander polishing pressure control device - Google Patents
Sander polishing pressure control device Download PDFInfo
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- CN208880472U CN208880472U CN201821403018.6U CN201821403018U CN208880472U CN 208880472 U CN208880472 U CN 208880472U CN 201821403018 U CN201821403018 U CN 201821403018U CN 208880472 U CN208880472 U CN 208880472U
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- Prior art keywords
- sander
- polishing
- controller
- cylinder
- connect
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to a kind of sander control devices, especially sander polishing pressure control device, including sander and controller, the sander to connect with controller；Further include cylinder and distinguishes load cell, solenoid valve and electric Proportion valve connected to the controller；The sander is by linear guide sliding on bottom plate, the load cell is fixed on one end of bottom plate, is connected between load cell and sander by cylinder, and the cylinder is connect with solenoid valve, solenoid valve is connect with electric Proportion valve, and electric Proportion valve is connect with gas source.Sander polishing pressure control device structure provided by the utility model effect that is simple, reliable and stable, can accurately controlling polish power and revolving speed, grinding and buffing is good, it is high to form smooth uniform surface effect, long service life, product qualification rate.
Description
Technical field
The utility model relates to a kind of sander control devices, especially sander polishing pressure control device.
Background technique
Existing automatic sander mostly uses distance to control polishing power, i.e., according to the distance between grinding disc and workpiece come
Control the shift position of sander, this mode is polished power control inaccuracy, the phenomenon that being easy to happen polishing, and causes product
It is unqualified.There is also causing the workpiece after polishing that polishing requirement is not achieved when grinding disc serious wear, need to do over again.
The speed of sander can not be controlled, and revolving speed is uneven, be unable to satisfy a variety of polishing demands.
Utility model content
To solve the above problems, the utility model provide a kind of structure it is simple, it is reliable and stable, can accurately control polishing power
And revolving speed, the effect of grinding and buffing is good, can form the high sander polishing of smooth uniform surface effect, product qualification rate presses
Force control device, the specific technical proposal is:
Sander polishing pressure control device, including sander and controller, the sander are connect with controller；Also wrap
It includes cylinder and distinguishes load cell, solenoid valve and electric Proportion valve connected to the controller；The sander passes through straight
For the sliding of line guide rail on bottom plate, the load cell is fixed on one end of bottom plate, leads between load cell and sander
Cylinder connection is crossed, the cylinder is connect with solenoid valve, and solenoid valve is connect with electric Proportion valve, and electric Proportion valve is connect with gas source.
By using above-mentioned technical proposal, during the grinding process, if the polishing pressure that load cell detects is less than
When the polishing pressure of setting, controller can control electric Proportion valve immediately to increase polishing pressure；If load cell detects
When the polishing pressure arrived is greater than the polishing pressure of setting, controller can control electric Proportion valve immediately to reduce polishing pressure.
Load cell detects reaction force when sanding and polishing, and the reaction force is fed back to controller, controller
Output is adjusted by electric Proportion valve to the pressure of cylinder according to the pressure value of setting, and cylinder is adjusted by solenoid valve
It stretches out or retracts, so as to adjust polishing pressure, realize closed-loop control, control precision is high, makes sand dish during sanding and polishing
The contact pressure kept constant can form smooth uniform surface effect.
Preferably, shock absorber is housed between the cylinder and load cell.
Preferably, the shock absorber is one of spring, wirerope shock absorber or rubber shock absorber.
By using above-mentioned technical proposal, the effect of shock absorber is to absorb the vibration generated when sander running, to control
For system, it the effect of be filter, for filtering out the noise that generates due to polishing gun vibration, improve the letter of load cell
Make an uproar than and its service life.
Preferably, the shock absorber is wirerope shock absorber.
By using above-mentioned technical proposal, the interior friction of spring generates damping, and the damping action is little, and vibrates decaying very
Slowly, it is also easy to produce resonance, influences effectiveness in vibration suppression.Rubber shock absorber with rubber as elastic element, due to rubber rub in it is larger,
Damping action is also larger, but rubber is easy to aging and its elasticity is influenced vulnerable to temperature change.
Wirerope shock absorber is big with rigidity, can bear compared with big load, quick energy-absorbing, free vibration is made to decay rapidly, no
Generate resonance, damping ratio are big, peak value magnification factor is small, structure is simple, small volume, it is non-aging, independent of temperature variations,
High reliablity, long service life, anti-aging, corrosion resistance and good.
It preferably, further include velocity sensor, velocity sensor is fixed on sander, and velocity sensor is beaten for detecting
The revolving speed of grinding machine, velocity sensor are connect with controller.
By using above-mentioned technical proposal, during the grinding process, if the polishing revolving speed that velocity sensor detects is less than
When the polishing revolving speed of setting, controller can reduce polishing pressure immediately to promote polishing revolving speed；If velocity sensor detects
Polishing revolving speed be greater than setting polishing revolving speed when, controller can increase immediately polishing pressure to reduce polishing revolving speed.
Preferably, the bottom of the bottom plate is equipped with adapter flange.
A kind of polishing compress control method, comprising the following steps:
The polishing pressure of the load cell detection sander, and by the polishing pressure feedback to controller, controller
By the polishing pressure compared with setting value, if the polishing pressure that load cell detects is less than the polishing pressure of setting,
Controller controls the air pressure that electric Proportion valve increases cylinder, makes pressure increase of polishing；If the polishing that load cell detects
When pressure is greater than the polishing pressure of setting, controller controls the air pressure that electric Proportion valve reduces cylinder, reduces polishing pressure；
The revolving speed of the velocity sensor detection sander, the polishing revolving speed that velocity sensor detects are less than beating for setting
When grinding revolving speed, controller reduces polishing pressure set points automatically, and controller controls the air pressure that electric Proportion valve reduces cylinder, makes to beat
It grinds pressure to reduce, frictional force becomes smaller to improve polishing revolving speed；If the polishing revolving speed that velocity sensor detects is greater than setting
When polishing revolving speed, controller is automatically increased polishing pressure set points, and controller controls the air pressure that electric Proportion valve increases cylinder, makes
Pressure of polishing increases, and frictional force becomes larger to reduce polishing revolving speed；
The compensation direction of the cylinder polishing pressure is adjusted by solenoid valve control.
Compared with prior art the utility model has the following beneficial effects:
Sander provided by the utility model polishing pressure control device structure is simple, it is reliable and stable, can accurately control
Polishing pressure and the effect of revolving speed, grinding and buffing are good, can form smooth uniform surface effect, long service life, product closes
Lattice rate is high.
Detailed description of the invention
Fig. 1 is the axis geodesic structure schematic diagram of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is control system architecture diagram.
Specific embodiment
Now in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, the polishing of sander 83 pressure control device, including sander 83 and bottom plate 81, sander
83 connect with controller.
It further include load cell 82, cylinder 85 and electric Proportion valve, sander 83 is mounted in polishing fixing seat 84, beats
Fixing seat 84 is ground to be positioned on bottom plate 81 by linear guide sliding；Load cell 82 is fixed on one end of bottom plate 81, and dynamometry passes
Sensor 82 is connect with one end of wirerope shock absorber 86, and the other end of wirerope shock absorber 86 is connect with the piston rod of cylinder 85,
Cylinder 85 is fixed in polishing fixing seat 84, and sensor is housed on cylinder 85, and sensor detects the position of the piston rod of cylinder 85
It sets.
Cylinder 85 is connect with electric Proportion valve, and electric Proportion valve is connect with controller and gas source respectively.
As shown in figure 3, load cell 82 detects the polishing pressure of sander 83, and by the polishing pressure feedback to control
Device, controller by the polishing pressure compared with setting value, if the polishing pressure that detects of load cell 82 is less than setting
When pressure of polishing, controller controls the air pressure that electric Proportion valve increases cylinder 85, increases polishing pressure；If load cell 82
When the polishing pressure detected is greater than the polishing pressure of setting, controller controls the air pressure that electric Proportion valve reduces cylinder 85, subtracts
Small polishing pressure.Closed-loop control is realized, control precision is high, the contact pressure for keeping constant sand dish during sanding and polishing
Power can form smooth uniform surface effect.
Linear guide carrying sander 83 simultaneously guides the power output of cylinder 85 so as to keep between sander 83 and bottom plate 81 permanent
Fixed glide direction enables load cell 82 to detect the active force of fixed-direction.
The effect of wirerope shock absorber 86 is to absorb the vibration generated when sander 83 operates, for control system, it
The effect of be filter, for filtering out the noise that generates due to polishing gun vibration, the signal-to-noise ratio of raising load cell 82 and
Its service life.
It further include velocity sensor 87, velocity sensor 87 is fixed on sander 83, and velocity sensor 87 is for detecting
The revolving speed of sander 83, velocity sensor 87 are connect with controller.Speed of the velocity sensor 87 to controller feedback sander 83
Degree realizes closed-loop control, so that the revolving speed for keeping constant sander 83, can form smooth uniform surface effect.
Velocity sensor 87 detects the revolving speed of sander 83, and the polishing revolving speed that velocity sensor 87 detects is less than setting
When polishing revolving speed, controller controls the air pressure that electric Proportion valve reduces cylinder 85, reduces polishing pressure, and frictional force becomes smaller with raising
Polishing revolving speed；If the polishing revolving speed that velocity sensor 87 detects is greater than the polishing revolving speed of setting, controller control is electrical
Proportioning valve increases the air pressure of cylinder 85, increases polishing pressure, and frictional force becomes larger to reduce polishing revolving speed.
The bottom of bottom plate 81 is equipped with adapter flange.
Controller controls gas output pressure by electric Proportion valve and is passed with exporting different polishing pressure by dynamometry
The feedback polishing pressure of sensor 82, and by the instant revolving speed of velocity sensor detection mill, make controller dynamic adjustment output
Power of polishing and revolving speed, to maintain constant polishing power and uniform bistrique revolving speed.
Drive cylinder 85 by electric Proportion valve to control the polishing power of sander 83, the compensation direction of power be retract or
It stretches out.In general, the direction of the compensation of power is to stretch out when needing to polish；When needing soft and fine polishing, the direction of the compensation of power is
It retracts.
A kind of polishing compress control method, comprising the following steps:
Load cell 82 detects the polishing pressure of sander 83, and by the polishing pressure feedback to controller, controller
By the polishing pressure compared with setting value, if the polishing pressure that load cell 82 detects is less than the polishing pressure of setting
When, controller controls the air pressure that electric Proportion valve increases cylinder 85, increases polishing pressure；What if load cell 82 detected
When pressure of polishing is greater than the polishing pressure of setting, controller controls the air pressure that electric Proportion valve reduces cylinder 85, reduces polishing pressure
Power；
Velocity sensor 87 detects the revolving speed of sander 83, and the polishing revolving speed that velocity sensor 87 detects is less than setting
When polishing revolving speed, controller controls the air pressure that electric Proportion valve reduces cylinder 85, reduces polishing pressure, and frictional force becomes smaller with raising
Polishing revolving speed；If the polishing revolving speed that velocity sensor 87 detects is greater than the polishing revolving speed of setting, controller control is electrical
Proportioning valve increases the air pressure of cylinder 85, increases polishing pressure, and frictional force becomes larger to reduce polishing revolving speed.
The compensation direction of the polishing pressure of cylinder 85 is adjusted by solenoid valve control.
Claims (6)
- The pressure control device 1. sander is polished, including sander (83) and controller, the sander (83) and controller connect It connects；It is characterized in that, further include cylinder (85) and distinguish load cell (82) connected to the controller, solenoid valve and Electric Proportion valve；For the sander (83) through linear guide sliding on bottom plate (81), the load cell (82) is fixed on bottom plate (81) one end is connect between load cell (82) and sander (83) by cylinder (85), the cylinder (85) and electromagnetism Valve connection, solenoid valve are connect with electric Proportion valve, and electric Proportion valve is connect with gas source.
- The pressure control device 2. sander according to claim 1 is polished, which is characterized in that the cylinder (85) and dynamometry Shock absorber is housed between sensor (82).
- The pressure control device 3. sander according to claim 2 is polished, which is characterized in that the shock absorber be spring, One of wirerope shock absorber or rubber shock absorber.
- The pressure control device 4. sander according to claim 3 is polished, which is characterized in that the shock absorber is wirerope Shock absorber (86).
- The pressure control device 5. sander according to claim 1 is polished, which is characterized in that further include velocity sensor (87), velocity sensor (87) is fixed on sander (83), and velocity sensor (87) is used to detect the revolving speed of sander (83), Velocity sensor (87) is connect with controller.
- The pressure control device 6. sander according to claim 1 is polished, which is characterized in that the bottom of the bottom plate (81) Equipped with adapter flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821403018.6U CN208880472U (en) | 2018-08-28 | 2018-08-28 | Sander polishing pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821403018.6U CN208880472U (en) | 2018-08-28 | 2018-08-28 | Sander polishing pressure control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208880472U true CN208880472U (en) | 2019-05-21 |
Family
ID=66510434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821403018.6U Expired - Fee Related CN208880472U (en) | 2018-08-28 | 2018-08-28 | Sander polishing pressure control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208880472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747809A (en) * | 2018-08-28 | 2018-11-06 | 艾尔发智能科技股份有限公司 | Sander polishing pressure control device and polishing compress control method |
| CN110774104A (en) * | 2019-11-05 | 2020-02-11 | 宇环数控机床股份有限公司 | Floating polishing equipment for non-circular parts |
-
2018
- 2018-08-28 CN CN201821403018.6U patent/CN208880472U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747809A (en) * | 2018-08-28 | 2018-11-06 | 艾尔发智能科技股份有限公司 | Sander polishing pressure control device and polishing compress control method |
| CN110774104A (en) * | 2019-11-05 | 2020-02-11 | 宇环数控机床股份有限公司 | Floating polishing equipment for non-circular parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210828 |