CN201900559U - Grinding pressure control device of grinding head - Google Patents
Grinding pressure control device of grinding head Download PDFInfo
- Publication number
- CN201900559U CN201900559U CN2010206179332U CN201020617933U CN201900559U CN 201900559 U CN201900559 U CN 201900559U CN 2010206179332 U CN2010206179332 U CN 2010206179332U CN 201020617933 U CN201020617933 U CN 201020617933U CN 201900559 U CN201900559 U CN 201900559U
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- piston rod
- main shaft
- grinding
- cylinder
- control device
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinding pressure control device of a grinding head. The grinding pressure control device of the grinding head comprises a main shaft, a cylinder and a piston rod, wherein the cylinder comprises a cylinder sleeve and the piston rod; the middle part of the piston rod is connected with the cylinder sleeve in a sealed and sliding way; the piston rod adopts a hollow structure; the main shaft penetrates through the middle part of the hollow piston rod, so that the main shaft rotates inside the piston rod, and the main shaft and the piston rod perform longitudinal reciprocating motion in the axial direction of the main shaft; two air inlets are formed above and below the piston sleeve; and the two air inlets are arranged are at upper and lower ends of a piston. The main shaft and the piston rod are connected through a bearing. The grinding pressure control device of the grinding head has the advantages that the structure is reasonable and compact, pressure is stable and controllable, and the grinding pressure control device of the grinding head is convenient to install. When the grinding pressure control device of the grinding head is used, pressure is conveniently and stably controlled, and the grinding load state can be measured through the operating current of a grinding motor.
Description
Technical field
The utility model relates to a kind of pressure control device of bistrique grinding.
Background technology
At present, the grinding head device of existing metal and stone grinding machine mainly comprises main shaft, belt pulley, bistrique, belt pulley are installed on the main shaft of top of mounting flange, and main shaft is an one with the ring flange that connects bistrique, belt pulley drives main axis rotation, main shaft drives the bistrique rotation, during the belt pulley rotation main shaft is applied with radial load, and such structure is difficult to guarantee the stability and the depth of parallelism of the axial force that main shaft applies bistrique.
Grinding head device also has the cylinder lagging of comprising and piston rod, the piston rod middle part is dynamically connected with the cylinder lagging sealed sliding, and piston rod is a hollow-core construction, and main shaft passes hollow piston bar middle part, main shaft can be rotated in piston rod, and can axially move back and forth up and down along main shaft together with piston rod.Main shaft can adopt known structure to be connected with piston rod, between described main shaft and the piston rod by being connected firmly.The air pressure that applies by cylinder is exerted pressure piston rod drive main shaft and bistrique.But existing method of exerting pressure makes main shaft and bistrique and air pressure all be applied on the bistrique, if applied pressure is excessive, bistrique has big load when grinding Metal Contact with quilt, also cause grinding the overload of motor, generally observe the grinding load condition, grind the conference of loading and cause the stability and the depth of parallelism of the axial force that bistrique applies poor, grinding of poor quality by the operating current that grinds motor, and influential to electrical machinery life, also can cause the wearing and tearing of workpiece are scrapped.Existing cylinder method is difficult for the pressure of bistrique grinding is applied control, even in the cylinder decompression, the grinding pressure that in fact applies is not seen minimizing, unless cylinder is shunk, that efficient in grinding subtracts greatly again.This is because the characteristic that the pressure of cylinder applies determines.Control method and air pressure all are applied on the bistrique.
The utility model content
The utility model purpose provides a kind of pressure control device of bistrique grinding, makes pressure stability controlled, can measure the grinding load condition by the operating current that grinds motor, and the stability of the axial force that bistrique applies and the depth of parallelism are good, guarantee the quality of grinding.
The pressure control device of bistrique grinding comprises main shaft, cylinder, cylinder comprises cylinder jacket and piston rod, the piston rod middle part is dynamically connected with the cylinder lagging sealed sliding, piston rod is a hollow-core construction, main shaft passes hollow piston bar middle part, main shaft can be rotated in piston rod, and can with piston rod axially moving back and forth up and down together along main shaft.Main shaft can adopt known structure to be connected with piston rod, as preferred version, is connected by bearing between described main shaft and the piston rod.Have two road air admission holes on the cylinder jacket, two tunnel air inlets are at the two ends up and down of piston.Cylinder piston described in the utility model also can extend to the hydraulic cylinder piston structure, and this structure also belongs to scope of the present utility model.
The control method of optimizing in the compress control method of bistrique grinding is: one road air pressure is constant, and another road Pneumatic pipe cleaner is crossed valve and is controlled, and controls the control of abrasive power according to the operating current of spindle motor.Also can set control to two tunnel pressure by air pressure simultaneously, improvement of the present utility model also comprises: set the standard that operating current is controlled automatically as two road atmospheric pressures.
As improvement of the present utility model, the outside on main shaft top also order is equipped with synchronous pulley seat and synchronous pulley, the cylinder upper end is provided with seal, main shaft passes synchronous pulley and is slidingly connected by key, main shaft can axially move back and forth up and down along main shaft in synchronous pulley, simultaneously synchronous pulley can drive main axis rotation, and the synchronous pulley seat is fixedlyed connected with the last seal of cylinder, is connected by bearing between synchronous pulley seat and the synchronous pulley.As further improvement, described grinding head device also comprises the flange cover, and main shaft is connected with flange cover key pin, and the flange cover is fixedlyed connected with synchronous pulley.
As preferred version of the present utility model, last seal and synchronous pulley seat form integral structure.
The two ends of described main shaft are connected with the logical liquid joint of bistrique dish and rotation respectively, and this is a structure well known in the art.
Because main shaft passes the middle part of cylinder hollow piston bar, drive main shaft by piston rod and pump vertically, main shaft can rotate relative to piston rod simultaneously, so pressure stability is controlled.When synchronous pulley seat and last seal are structure as a whole, the synchronous pulley seat is fixedlyed connected with the last seal of cylinder, be connected by bearing between synchronous pulley and the synchronous pulley seat, be connected by band key flange cover between main shaft and the synchronous pulley, make synchronous pulley drive main axis rotation, described grinding head device compact conformation, easy installation and reliable.
The utility model beneficial effect is: compactness rational in infrastructure, pressure stability are controlled, easy for installation.During use, make pressure stable and controllable easily, can measure the grinding load condition by the operating current that grinds motor, the stability of the axial force that bistrique applies and the depth of parallelism are good, guarantee the quality of grinding, can effectively improve production efficiency of products.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, grinding head device comprises bistrique dish 9, the logical liquid joint 1 of rotation, main shaft 2, cylinder, flange cover 3, synchronous pulley seat 5 and synchronous pulley 4, cylinder comprises cylinder lagging 8 and piston rod 6, piston rod 6 middle parts and cylinder lagging 8 are tightly connected, the cylinder upper end is provided with seal 7, the described seal 7 of going up between piston rod 6 and cylinder lagging 8, and and piston rod 6 and cylinder lagging 8 between be and be tightly connected.The two ends of main shaft 2 are connected with bistrique dish 9, the logical liquid joint 1 of rotation respectively.Piston rod 6 is passed at main shaft 2 middle parts, is connected by bearing between main shaft 2 and the piston rod 6, main shaft can be rotated relative to piston rod 6, and can axially move back and forth along main shaft 2 together with piston rod 6.The outside on main shaft 2 tops is installed synchronous pulley seat 5 and synchronous pulley 4 in proper order, and synchronous pulley seat 5 and last seal 7 forms integral structures, is connected by bearing between synchronous pulley seat 5 and the synchronous pulley 4.Main shaft 2 is provided with lifting chute 10, overlaps 3 key pins with flange and is connected, and flange cover 3 is fixedlyed connected with synchronous pulley 4, make main shaft 2 relatively synchronous pulley 4 axially move back and forth along main shaft 2, while synchronous pulley 4 can drive main shaft 2 and rotate.Have two road air admission holes 11,12 on the cylinder jacket, two road air admission holes are at the two ends up and down of piston 13.Piston 13 drives the piston rod action.
The compress control method of bistrique grinding of the present utility model and apparatus control method, have two road air admission holes on the cylinder jacket, two tunnel air inlets are at the two ends up and down of piston, two the tunnel all have the pressure reduction of the air inlet of pressure, piston rod is carried out pressure control, thereby the control convenient pressure is applied on the bistrique, by observing the operating current of spindle motor, if the operating current of optimum operating pressure correspondence is 3A, then can carry out the control of abrasive power with this current standard always.Efficient is improved.
Can one road air pressure is constant, as 6Kg, another road Pneumatic pipe cleaner is crossed valve and is controlled at 1-3Kg, also is the control of controlling abrasive power according to the operating current of spindle motor.Extend to the hydraulic cylinder piston structure and also be based on this reason.
Better control mode is: by the operating current set as pressure controlled standard, when operating current is 5A when grinding at certain lapping mode, then control criterion is imported single-chip microcomputer or PLC by current transformer, single-chip microcomputer or PLC are provided with the control to two road input air pressures, can be by conventional PID mode, reflect the convenient pressure of grinding---also mean best grinding effect simultaneously, thereby realize Optimal Control.
Claims (2)
1. the pressure control device of bistrique grinding, it is characterized in that described grinding head device comprises main shaft, cylinder, piston rod, cylinder comprises cylinder jacket and piston rod, the piston rod middle part is dynamically connected with the cylinder lagging sealed sliding, piston rod is a hollow-core construction, main shaft passes hollow piston bar middle part, make that main shaft rotates in piston rod, main shaft can and piston rod axially moving back and forth up and down along main shaft together; Have two road air admission holes on the cylinder jacket, two tunnel air inlets are at the two ends up and down of piston.
2. the pressure control device of bistrique grinding according to claim 1 is characterized in that being connected by bearing between main shaft and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179332U CN201900559U (en) | 2010-11-22 | 2010-11-22 | Grinding pressure control device of grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179332U CN201900559U (en) | 2010-11-22 | 2010-11-22 | Grinding pressure control device of grinding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201900559U true CN201900559U (en) | 2011-07-20 |
Family
ID=44271164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206179332U Expired - Fee Related CN201900559U (en) | 2010-11-22 | 2010-11-22 | Grinding pressure control device of grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201900559U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522176A (en) * | 2012-10-18 | 2014-01-22 | 江苏省（扬州）数控机床研究院 | Floating finishing-machining grinding head with controllable grinding force |
| CN107571154A (en) * | 2017-10-10 | 2018-01-12 | 张欢 | A kind of integrated Compliant Force control device |
| CN109202709A (en) * | 2018-11-21 | 2019-01-15 | 中国科学院光电技术研究所 | Air pressure control constant pressure self-adaptive polishing grinding head |
| CN110170904A (en) * | 2019-05-30 | 2019-08-27 | 佛山市科莱机器人有限公司 | A kind of processing method of pair of housing through-hole thickness |
| CN110774148A (en) * | 2019-09-23 | 2020-02-11 | 浙江谋皮环保科技有限公司 | Automatic control method for effectively improving utilization rate of scale breaking roller |
-
2010
- 2010-11-22 CN CN2010206179332U patent/CN201900559U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522176A (en) * | 2012-10-18 | 2014-01-22 | 江苏省（扬州）数控机床研究院 | Floating finishing-machining grinding head with controllable grinding force |
| CN107571154A (en) * | 2017-10-10 | 2018-01-12 | 张欢 | A kind of integrated Compliant Force control device |
| CN109202709A (en) * | 2018-11-21 | 2019-01-15 | 中国科学院光电技术研究所 | Air pressure control constant pressure self-adaptive polishing grinding head |
| CN110170904A (en) * | 2019-05-30 | 2019-08-27 | 佛山市科莱机器人有限公司 | A kind of processing method of pair of housing through-hole thickness |
| CN110774148A (en) * | 2019-09-23 | 2020-02-11 | 浙江谋皮环保科技有限公司 | Automatic control method for effectively improving utilization rate of scale breaking roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20121122 |