CN100344409C - Digitalization grinding wheel slide rest precision reciprocating method device - Google Patents
Digitalization grinding wheel slide rest precision reciprocating method device Download PDFInfo
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- CN100344409C CN100344409C CNB2005100252465A CN200510025246A CN100344409C CN 100344409 C CN100344409 C CN 100344409C CN B2005100252465 A CNB2005100252465 A CN B2005100252465A CN 200510025246 A CN200510025246 A CN 200510025246A CN 100344409 C CN100344409 C CN 100344409C
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- grinding wheel
- wheel slide
- grinding
- slide
- belt
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Abstract
The present invention relates to a digitized grinding wheel slide precision reciprocation device for the technical field of machining of metal, which comprises a grinding wheel slide reciprocation mechanism, a grinding wheel slide position detecting device, a grinding wheel slide motion balancing brake and a grinding wheel transmission and belt constant tension mechanism. The components have the connection relation that the grinding wheel slide position detecting device and the grinding wheel transmission and belt constant tension mechanism are arranged on the grinding wheel slide reciprocation mechanism and a grinding carriage box body; the grinding wheel slide motion balancing brake is arranged between the grinding wheel slide reciprocation mechanism and the grinding carriage box body; the grinding wheel slide reciprocation mechanism is directly arranged on the grinding carriage box body. The present invention realizes the reciprocation of an optional position, an arbitrary speed and an arbitrary stroke and can link other servo kinematic axes. The present invention can be applied to a digitized precision profile grinder to grind various complicated workpieces precisely.
Description
Technical field
What the present invention relates to is a kind of reciprocator that is used for the metal cutting processing technique field, particularly a kind of digitalization grinding wheel slide rest precision reciprocating method device.
Background technology
Accurate optical curve contour grinding machine is the precision machine tool of the various moulds of processing, complex curved surface parts, cutter.No matter be common optical curve (curved surface) grinding machine, or the optical curve of numerical control (curved surface) grinding machine, its basic structure all is made up of grinding carriage, workbench, optical system and control system four major parts.Grinding carriage is except some auxiliary motor functions, and a main function is exactly the reciprocating motion of grinding wheel slide.The grinding wheel slide reciprocator is the critical component in the profile grinder, and its function and performance directly have influence on the crudy of profile grinder.The reciprocal type of drive of traditional grinding wheel slide mainly contains two kinds, and a kind of is slider-crank mechanism, and also having a kind of is hydraulic drive mechanism.In slider-crank mechanism, grinding wheel slide can only be at the crank up center do equidistant reciprocating motion up and down, reciprocal distance also can only rely on manual adjustments crank block distance to realize that this device can't be realized the Digital Control reciprocating motion of arbitrary distance of run at an arbitrary position.In hydraulic drive mechanism, the stroke of grinding wheel slide relies on oil cylinder stroke and determines, because the oil cylinder lower dead point position fixes, so the high and low position of workpiece needs workbench adjustment, and this device also can't be realized the Digital Control reciprocating motion of arbitrary distance of run at an arbitrary position.Above-mentioned two kinds of mechanisms all can only pumping as grinding wheel slide, the digital accurate that can not realize arbitrary distance of run, optional position moves back and forth control, also do not have the motion control of servo position precision, this has brought difficulty with regard to giving some special part processing.
Find by prior art documents, China Patent No. is: 01255420.0, patent name is: a kind of rippled edge organisation of working of glass edge-grinding machine, this patented technology readme is: " a kind of novel rippled edge organisation of working that is used for glass edge-grinding machine; it promptly is to rely on the special geometry of eccentric wheel and driven member (push rod and ram seat) and keep higher pair all the time and contact that this mechanism has adopted how much locking modes; use the wearing and tearing back to regulate push rod and keep its higher pair and contact; exempted the additional drag of spring, and come support guide with rolling linear guide.The gyration of driving link is converted to the straight reciprocating motion of driven member.After adopting this mechanism, realized that all bistriques move back and forth the reliability of synchronous accuracy." though this patented technology solved bistrique and moved back and forth stationary problem, can not realize the reciprocating motion of bistrique optional position, arbitrary speed, arbitrary distance of run.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of digitalization grinding wheel slide rest precision reciprocating method device is provided, achieve the reciprocating motion of optional position, arbitrary speed, arbitrary distance of run, and can link with other servo motion axle, realize the accurate grinding processing of various complex parts.
The present invention is achieved by the following technical solutions, the present invention includes: the grinding wheel slide reciprocating mechanism, the grinding wheel slide position detecting device, grinding wheel slide moving equilibrium and brake gear, emery wheel transmission and belt constant tension mechanism, its annexation is: the grinding wheel slide position detecting device, emery wheel transmission and belt constant tension mechanism are located on grinding wheel slide reciprocating mechanism and the grinding carriage casing, grinding wheel slide moving equilibrium and brake gear are located between grinding wheel slide reciprocating mechanism and the grinding carriage casing, and the grinding wheel slide reciprocating mechanism is directly arranged on the grinding carriage casing.
The grinding wheel slide reciprocating mechanism comprises: electromagnetism winding, magnetic board, grinding wheel slide, ball slide block, line slideway, its annexation is: electromagnetism winding and line slideway are vertically fixed on the grinding carriage casing with bolt, magnetic board and ball slide block are fixed by bolts on the grinding wheel slide, gap between magnetic board and the electromagnetism winding is 1mm, and the ball slide block is located on the line slideway.
The grinding wheel slide position detecting device comprises: linear grating chi, two spacing grating reading head, and its annexation is: the linear grating chi is located at a side of grinding carriage casing, and two spacing grating reading heads are fixed on the grinding wheel slide.
Grinding wheel slide moving equilibrium and brake gear comprise: air balance cylinder, brake gear, its annexation is: the axle top of air balance cylinder and brake gear is fixed by bolts on the grinding wheel slide, and the base end of air balance cylinder and brake gear is fixed by bolts on the grinding carriage casing.
Emery wheel transmission and belt constant tension mechanism comprise: grinding wheel spindle device, belt, belt pulley, tension adjustment mechanism, its annexation is: the grinding wheel spindle device is fixed on the grinding wheel slide, tension adjustment mechanism and belt pulley are located on the grinding carriage casing, and belt is on belt pulley, tension adjustment mechanism and grinding wheel spindle device.
Grinding wheel slide position detecting device of the present invention obtains the exact position of grinding wheel slide; feed back to controller and constitute closed-loop control; drive the grinding wheel slide reciprocating mechanism and realize the digitlization motion control of the reciprocal frequency of grinding wheel slide, position, stroke; reliable braking when equilibrium of forces was with shutdown when grinding wheel slide moving equilibrium and brake gear kept the grinding wheel slide motion; emery wheel transmission and belt constant tension mechanism arrive grinding wheel spindle to the spindle motor transmission of power; make emery wheel rotation, and belt tension constant when keeping moving back and forth.
Grinding wheel slide moves on line slideway by the ball slide block, the electromagnetism winding provides controllable electromagnetic force to magnetic board, just can control the movement velocity and the direction of magnetic board by controller control electromagnetism winding current size and Orientation, pump thereby drive grinding wheel slide.
When grinding wheel slide moves up and down, read the position signalling of linear grating chi by two spacing grating reading heads, obtain the mobile position data of grinding wheel slide, feed back to the size of current and the direction of controller closed-loop control electromagnetism winding, thereby realize grinding wheel slide digitlization motion control.
Because grinding wheel slide is vertically arranged, in order to overcome gravity effect,, make itself and gravity keep relative equilibrium by the air pressure of control air balance cylinder, when dead electricity or shutdown, the control brake gear is braked grinding wheel slide.
Because spindle motor is located at the leftmost side (in order to reduce high-speed main spindle the motor feels hot the thermal deformation that causes grinding wheel spindle) of grinding carriage casing, therefore by belt transmission of power to belt pulley, drive the emery wheel rotation by the grinding wheel spindle device again.To change in order overcoming, to adopt belt tension regulating mechanism to keep the constant of belt tension owing to grinding wheel slide moves up and down the belt degree of tightness that causes.
The present invention adopts advanced linear electric motor technology, realized bistrique in vertical direction the gapless Any Digitization of speed, position, stroke regulate control automatically, solved that bistrique moves back and forth the grinding vibration waviness problem that intrinsic gap causes in the traditional optical camber grinding.The present invention can be applicable to the accurate grinding of complex curve, because grinding wheel slide moves up and down and has realized the digitlization SERVO CONTROL, so just can make up, realize multiduty grinding requirement, have higher precision and good performance with other kinematic axis, 400 times/min of the maximum reciprocating speed of grinding wheel slide, minimum resolution: 0.001mm, reciprocal positioning accuracy≤0.005m, grinding speed≤70m/s, by examination grinder part, machined surface roughness reaches Ra0.32 μ m; Contour machining precision reaches 0.005mm.
Description of drawings
Fig. 1 is master's TV structure schematic diagram of the present invention
Fig. 2 is a plan structure schematic diagram of the present invention
Fig. 3 is grinding wheel slide moving equilibrium and brake gear structural representation
The specific embodiment
As shown in Figure 1, 2, 3, the present invention includes: grinding wheel slide reciprocating mechanism 1, grinding wheel slide position detecting device 2, grinding wheel slide moving equilibrium and brake gear 3, emery wheel transmission and belt constant tension mechanism 4, its annexation is: grinding wheel slide position detecting device 2, emery wheel transmission and belt constant tension mechanism 4 are located on grinding wheel slide reciprocating mechanism 1 and the grinding carriage casing 5, grinding wheel slide moving equilibrium and brake gear 3 are located between grinding wheel slide reciprocating mechanism 1 and the grinding carriage casing 5, and grinding wheel slide reciprocating mechanism 1 is directly arranged on the grinding carriage casing 5.
Grinding wheel slide reciprocating mechanism 1 comprises: electromagnetism winding 6, magnetic board 7, grinding wheel slide 8, ball slide block 9, line slideway 10, its annexation is: electromagnetism winding 6 and line slideway 10 usefulness bolts are vertically fixed on the grinding carriage casing 5, magnetic board 7 and ball slide block 9 are fixed by bolts on the grinding wheel slide 8, gap between magnetic board 7 and the electromagnetism winding 6 is 1mm, and ball slide block 9 is located on the line slideway 10.
Grinding wheel slide position detecting device 2 comprises: linear grating chi 11, two spacing grating reading head 12, and its annexation is: linear grating chi 11 is located at a side of grinding carriage casing 5, and two spacing grating reading heads 12 are fixed on the grinding wheel slide 8.
Grinding wheel slide moving equilibrium and brake gear 3 comprise: air balance cylinder 13, brake gear 14, its annexation is: the axle top of air balance cylinder 13 and brake gear 14 is fixed by bolts on the grinding wheel slide 8, and the base end of air balance cylinder 13 and brake gear 14 is fixed by bolts on the grinding carriage casing 5.
Emery wheel transmission and belt constant tension mechanism 4 comprise: grinding wheel spindle device 15, belt 16, belt pulley 17, tension adjustment mechanism 18, its annexation is: grinding wheel spindle device 15 is fixed on the grinding wheel slide 8, tension adjustment mechanism 18 and belt pulley 17 are located on the grinding carriage casing 5, and belt 16 is on belt pulley 17, tension adjustment mechanism 18 and grinding wheel spindle device 15.
Claims (5)
1. digitalization grinding wheel slide rest precision reciprocating method device, comprise: grinding wheel slide reciprocating mechanism (1), grinding wheel slide position detecting device (2), grinding wheel slide moving equilibrium and brake gear (3), emery wheel transmission and belt constant tension mechanism (4), it is characterized in that, described grinding wheel slide reciprocating mechanism (1) comprising: electromagnetism winding (6), magnetic board (7), grinding wheel slide (8), ball slide block (9), line slideway (10), electromagnetism winding (6) and line slideway (10) are vertically fixed on the grinding carriage casing (5) with bolt, magnetic board (7) and ball slide block (9) are fixed by bolts on the grinding wheel slide (8), ball slide block (9) is located on the line slideway (10), grinding wheel slide position detecting device (2), emery wheel transmission and belt constant tension mechanism (4) are located on grinding wheel slide reciprocating mechanism (1) and the grinding carriage casing (5), grinding wheel slide moving equilibrium and brake gear (3) are located between grinding wheel slide reciprocating mechanism (1) and the grinding carriage casing (5), and grinding wheel slide reciprocating mechanism (1) is directly arranged on the grinding carriage casing (5); The exact position that grinding wheel slide position detecting device (2) obtains grinding wheel slide (8) feeds back to the size of current and the direction of controller closed-loop control electromagnetism winding (6), thereby realizes grinding wheel slide digitlization motion control.
2. digitalization grinding wheel slide rest precision reciprocating method device according to claim 1 is characterized in that, the gap between described magnetic board (7) and the electromagnetism winding (6) is 1mm.
3. digitalization grinding wheel slide rest precision reciprocating method device according to claim 1, it is characterized in that, described grinding wheel slide position detecting device (2) comprising: linear grating chi (11), two spacing grating reading head (12), linear grating chi (11) is located at a side of grinding carriage casing (5), and two spacing grating reading heads (12) are fixed on the grinding wheel slide (8).
4. digitalization grinding wheel slide rest precision reciprocating method device according to claim 1, it is characterized in that, described grinding wheel slide moving equilibrium and brake gear (3) comprising: air balance cylinder (13), brake gear (14), the axle top of air balance cylinder (13) and brake gear (14) is fixed by bolts on the grinding wheel slide (8), and the base end of air balance cylinder (13) and brake gear (14) is fixed by bolts on the grinding carriage casing (5).
5. digitalization grinding wheel slide rest precision reciprocating method device according to claim 1, it is characterized in that, described emery wheel transmission and belt constant tension mechanism (4) comprising: grinding wheel spindle device (15), belt (16), belt pulley (17), tension adjustment mechanism (18), grinding wheel spindle device (15) is fixed on the grinding wheel slide (8), tension adjustment mechanism (18) and belt pulley (17) are located on the grinding carriage casing (5), and belt (16) is on belt pulley (17), tension adjustment mechanism (18) and grinding wheel spindle device (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100252465A CN100344409C (en) | 2005-04-21 | 2005-04-21 | Digitalization grinding wheel slide rest precision reciprocating method device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100252465A CN100344409C (en) | 2005-04-21 | 2005-04-21 | Digitalization grinding wheel slide rest precision reciprocating method device |
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| Publication Number | Publication Date |
|---|---|
| CN1686672A CN1686672A (en) | 2005-10-26 |
| CN100344409C true CN100344409C (en) | 2007-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100252465A Expired - Fee Related CN100344409C (en) | 2005-04-21 | 2005-04-21 | Digitalization grinding wheel slide rest precision reciprocating method device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105215846B (en) * | 2015-09-09 | 2018-05-29 | 江阴威尔光电设备有限公司 | A kind of high ray machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485594A (en) * | 1982-09-07 | 1984-12-04 | Brown & Sharpe Manufacturing Company | Surface grinding machine |
| CN2178594Y (en) * | 1993-06-15 | 1994-10-05 | 张宝源 | Grinding wheel feed device of surface grinding machine |
| JPH07251345A (en) * | 1994-03-17 | 1995-10-03 | Ryobi Ltd | Grinding device having table reciprocative movement function |
| CN2499172Y (en) * | 2001-08-31 | 2002-07-10 | 中山市迪威机械制造有限公司 | Wave edge machining mechainsm for glass edge grinder |
| US6575813B2 (en) * | 2000-01-17 | 2003-06-10 | Toyoda Koki Kabushiki Kaisha | Guiding apparatus for a slidable member driven by a linear motor |
-
2005
- 2005-04-21 CN CNB2005100252465A patent/CN100344409C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485594A (en) * | 1982-09-07 | 1984-12-04 | Brown & Sharpe Manufacturing Company | Surface grinding machine |
| CN2178594Y (en) * | 1993-06-15 | 1994-10-05 | 张宝源 | Grinding wheel feed device of surface grinding machine |
| JPH07251345A (en) * | 1994-03-17 | 1995-10-03 | Ryobi Ltd | Grinding device having table reciprocative movement function |
| US6575813B2 (en) * | 2000-01-17 | 2003-06-10 | Toyoda Koki Kabushiki Kaisha | Guiding apparatus for a slidable member driven by a linear motor |
| CN2499172Y (en) * | 2001-08-31 | 2002-07-10 | 中山市迪威机械制造有限公司 | Wave edge machining mechainsm for glass edge grinder |
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| CN1686672A (en) | 2005-10-26 |
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Granted publication date: 20071024 Termination date: 20140421 |