CN102256743A - Brake control mechanism - Google Patents
Brake control mechanism Download PDFInfo
- Publication number
- CN102256743A CN102256743A CN2009801511868A CN200980151186A CN102256743A CN 102256743 A CN102256743 A CN 102256743A CN 2009801511868 A CN2009801511868 A CN 2009801511868A CN 200980151186 A CN200980151186 A CN 200980151186A CN 102256743 A CN102256743 A CN 102256743A
- Authority
- CN
- China
- Prior art keywords
- unit
- pressure
- hydraulic
- moving body
- hydraulic pressure
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Provided is a brake control mechanism of a simple structure which can regulate the operation of a moving body (11) upon a stop of power supply to a linear motor by using an existing facility. The brake control mechanism includes: the moving body (11) which is driven by a linear motor to move on a guide rail (10); a pressing mechanism (13) which presses the moving body (11) to the guide rail (10); a hydraulic means which drives the pressing mechanism (13) by a hydraulic pressure; and a solenoid valve (7) which connects the hydraulic means to the pressing mechanism (13) so as to transfer the hydraulic pressure to the pressing mechanism (13) when power supply to the linear motor is interrupted.
Description
Technical field
The present invention relates to brake controlling organization.
Background technology
In lathe, for example, the moving body of gravity axis side that carries out lifting by linear electric motor when emergency such as having a power failure, open circuit or mechanical power source disconnection etc. the power supply of linear motor is supplied with when stopping the problem that exists moving body to fall because of gravity.As the countermeasure of this problem of reply, in the past, by on lathe, the braking controlling organization being set independently, and carried out the braking of the motion of moving body with mechanisms such as drive system or guide surfaces.One example of this kind braking controlling organization in the past is open in following patent documentation 1.
[patent documentation 1] Japanese kokai publication sho 58-45809 communique
Summary of the invention
Yet, in above-mentioned braking controlling organization in the past, need on lathe, brake apparatus be set independently with drive system or guide surface, therefore there is the complex structure of lathe and problem that cost increases.
According to above situation, the object of the present invention is to provide and a kind ofly can supply with the braking controlling organization that the motion of the moving body when stopping to be braked with the power supply of easy structure subtend linear motor by utilizing existing equipment.
The braking controlling organization that a first aspect of the present invention relates to is characterised in that to possess:
The moving body that on guide rail, moves by linear electric motor;
Described moving body is pressed on the unit of pushing on the described guide rail;
By the described hydraulic pressure unit of pushing the unit of hydraulic-driven; And
When supply with to the electric power of described linear motor when disconnecting with described hydraulic pressure unit with described push that the unit is connected and with hydraulic pressure to the described control valve of pushing the unit transmission.
The braking controlling organization that a second aspect of the present invention relates to is characterized in that possessing based on the braking controlling organization that first aspect relates to:
Air is pressed the converting unit that converts hydraulic pressure to; And
The air storage element of stored air.
The braking controlling organization that a third aspect of the present invention relates to is characterized in that based on the braking controlling organization that first aspect or second aspect relate to,
Possess by the hydraulic pressure lower and drive the described low-pressure hydraulic unit of pushing the unit than described hydraulic pressure unit,
When carrying out electric power to described linear motor when supplying with, described control valve is pushed described low-pressure hydraulic unit the unit is connected and low-pressure hydraulic is pushed the unit transmission to described with described.
[invention effect]
According to the present invention, can provide a kind of and can supply with the braking controlling organization that the motion of the moving body when stopping to be braked with the power supply of easy structure subtend linear motor by utilizing existing equipment.
Description of drawings
Fig. 1 is the structure chart of braking controlling organization of the present invention.
Fig. 2 is the major part vertical view cutaway drawing of the linear guide device of the linear motor mode in the cross section shown in the A-A among Fig. 3.
Fig. 3 is the major part side view of the linear guide device of linear motor mode.
Fig. 4 is the cutaway view of the pressing mechanism after B portion among Fig. 2 is amplified.
The specific embodiment
Below, with reference to accompanying drawing, the embodiment of braking controlling organization of the present invention is described.
At first, the apparatus structure of the linear guide device of the linear motor mode that braking controlling organization of the present invention is suitable for describes.
Fig. 2 is the major part vertical view cutaway drawing of linear guide device of the linear motor mode in the cross section shown in the A-A among Fig. 3, Fig. 3 is the major part side view of the linear guide device of linear motor mode, and Fig. 4 is the cutaway view of the pressing mechanism after B portion among Fig. 2 is amplified.
As shown in Figures 2 and 3, in the linear guide device of the linear motor mode in the industrial machinery of lathe etc., moving bodys such as feeding workbench 11 can along as the guide rail 10 of mechanical fixed side via clamp bar 12 and pressing mechanism 13 and move.In illustrated example, guide portion is directly moved in formation to the recess 11a of moving body 11 from the angle guide portion 10a of below and guide rail 10 is chimeric.So, in the linear guide device of the linear motor mode that braking controlling organization of the present invention is suitable for, moving body 11 is by linear electric motor.
Known clamp bar 12 carries out tension and compression by the moving direction along moving body 11, and the gap (with reference to the D portion among Fig. 2 and Fig. 3) between the sliding surface of side's sliding surface of adjustment guide rail 10 (being angle guide portion 10a strictly speaking) and moving body 11 (being recess 11a strictly speaking), but in the present embodiment, clamp bar 12 is pressed in the opposing party's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) by pressing mechanism 13 described later, the side's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) and the sliding surface of moving body 11 (being recess 11a strictly speaking) are connected airtight in D portion in Fig. 2 and Fig. 3.
As shown in Figure 4, pressing mechanism 13 can reciprocatingly be received in the through hole 14 that is contained on the recess 11a that is formed at moving body 11, the leading section of described pressing mechanism 13 is connected with the piston 15 that is pressed on the face (press surface) of the opposition side of the sliding surface of clamp bar 12, and is connected with braking controlling organization of the present invention described later (with reference to Fig. 1) via pipe-fitting joint 16 at the through hole 14 that is positioned at these piston 15 backs.
In illustrated example, on the press surface of clamp bar 12, form hemispheric recess 12a, and make hemispheric protuberance 15a and this recess 12a on the leading section that is formed on piston 15 chimeric.Need to prove, O shape ring 17 is installed at the outer peripheral face of piston 15.And, on the press surface of clamp bar 12, separated a plurality of positions and piston 15 butts of predetermined distance along its moving direction.
It more than is the apparatus structure of the linear guide device of the linear motor mode that is suitable for of braking controlling organization of the present invention.
Then, the structure to braking controlling organization of the present invention describes.
Fig. 1 is the structure chart of braking controlling organization of the present invention.Need to prove, in Fig. 1, be that the upstream describes with air source 1 side.
As shown in Figure 1, braking controlling organization of the present invention is provided with the air tank 3 via check valve 2 stored airs, and described check valve 2 is used to prevent that air is to air source 1 adverse current.Be provided with first adjuster 4 that the pressure of the air that flows out from air tank 3 is adjusted in the downstream of air tank 3.Be provided with and press the gas-liquid pressure-boosting device 5 of exporting hydraulic pressure by input air in the downstream of first adjuster 4.
The downstream of gas-liquid pressure-boosting device 5 is divided into slip hydraulic path and brake fluid pressure path, this slip hydraulic path is pressed into clamp bar 12 on the guide rail 10 by piston 15, and the hydraulic pressure the during slip of pressure of transmitting the degree of connecting airtight as moving body 11 and guide rail 10, this brake fluid pressure path is pressed into clamp bar 12 on the guide rail 10 by piston 15, and the hydraulic pressure when transmitting braking as the pressure of the degree that the motion of moving body 11 is braked.Be provided with second adjuster 6 that the hydraulic pressure that flows out from gas-liquid pressure-boosting device 5 is adjusted in the downstream of the gas-liquid pressure-boosting device 5 of slip hydraulic path side.
Be provided with magnetic valve 7 in the downstream of second adjuster 6.Need to prove that the pressure of adjusting by second adjuster 6 is the low pressure of adjusting than by first adjuster 4 of pressure, is clamp bar 12 to be pressed into the pressure that makes the degree that moving body 11 and guide rail 10 connect airtight on the guide rail 10 by piston 15.
In addition, be provided with magnetic valve 7 in the downstream of the gas-liquid pressure-boosting device 5 of brake fluid pressure pathway side.And, be connected with pipe-fitting joint 16 (with reference to Fig. 2) in the downstream of magnetic valve 7.
Magnetic valve 7 is connected slip hydraulic path side to magnetic valve 7 supply capabilities the time with pipe-fitting joint 16, when the electric power of magnetic valve 7 is supplied with disconnection the brake fluid pressure pathway side is being connected with pipe-fitting joint 16.Therefore, to magnetic valve 7 supply capabilities the time, put on piston 15,, put on piston 15 by first adjuster, 4 adjusted hydraulic pressure when the electric power of magnetic valve 7 is supplied with disconnection by second adjuster, 6 adjusted hydraulic pressure.Need to prove, in Fig. 1, magnetic valve 7 expressions are connected the brake fluid pressure pathway side with pipe-fitting joint 16 situation.
Thus, braking controlling organization of the present invention carries out excitation in the linear motor supply capability to magnetic valve 7, supplies with to piston 15 being set at the hydraulic pressure that is used to slide.Then, by pressing mechanism 13, clamp bar 12 is pressed on the opposing party's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking), therefore move under the state that moving body 11 can connect airtight at the sliding surface of side's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) and moving body 11 (being recess 11a strictly speaking), thereby can improve mechanical precision.
In addition, even because of the sliding surface of slip moving body 11 (being recess 11a strictly speaking) weares and teares, therefore the also state that can keep the sliding surface of side's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) and moving body 11 (being recess 11a strictly speaking) to connect airtight all the time and automatically by clamp bar 12 can realize the long term stabilization of mechanical precision.In addition, owing to automatically manage glade plane space, therefore can alleviate operator's etc. burden.
In addition, when braking controlling organization of the present invention disconnected the electric power supply disconnection of isocline motor when the power supply of lathe, the excitation of magnetic valve 7 also disconnected, and is connected with pipe-fitting joint 16.At this moment, even under the situation that the supply of air disconnects supplying with disconnection to the electric power in air source 1, also can supply with hydraulic pressure to piston 15 by the air that is stored in the air tank 3.And the pressure of adjusting by first adjuster 4 is to utilize piston 15 that clamp bar 12 is pressed on the guide rail 10 and the pressure of degree that the motion of moving body 11 is braked.
Thus, the hydraulic pressure that is set at the high pressure that is used to brake is supplied with to piston 15.And, by pressing mechanism 13 clamp bar 12 is pressed on the opposing party's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) securely, so resistance to sliding sharply rises, and can brake the motion of moving body.
Need to prove, in the braking controlling organization of present embodiment, use air to press and hydraulic pressure, constitute the braking controlling organization but also can only use hydraulic pressure to constitute the braking controlling organization or only use air to press.
As described above described, according to braking controlling organization of the present invention, by possessing moving body 11, push the unit, hydraulic pressure unit, and control valve, thereby supplying with when disconnecting and to brake the motion of moving body 11 to the electric power of linear motor, this moving body 11 moves on guide rail 10 by linear electric motor, this pushes the unit by moving body 11 is constituted by the pressing mechanism 13 that is pressed on the guide rail 10, this hydraulic pressure unit drives by hydraulic pressure and pushes the unit and be made of air source 1 and first adjuster 4 etc., and this control valve is by when supplying with when disconnecting hydraulic pressure unit to the electric power of linear motor and pushing that the unit is connected and constitute to the magnetic valve 7 of pushing unit transmission hydraulic pressure.
In addition, by possessing by converting unit of air being pressed the gas-liquid pressure-boosting device 5 convert hydraulic pressure to constitute and the air storage element that constitutes by the air tank 3 of stored air, even and under the situation that the supply of air disconnects supplying with disconnection to the electric power in air source 1, also can supply with hydraulic pressure to piston 15 by the air that is stored in the air tank 3.
In addition, possess by the hydraulic pressure lower and drive the low-pressure hydraulic unit that constitutes by the air source 1 and second adjuster 6 of pushing the unit than hydraulic pressure unit, control valve to the linear motor supply capability time with the low-pressure hydraulic unit with push that the unit is connected and with low-pressure hydraulic to pushing the unit transmission, thereby carrying out when the electric power of linear motor is supplied with, move under the state that moving body 11 can connect airtight at the sliding surface of side's sliding surface of guide rail 10 and moving body 11, therefore can improve mechanical precision.
Therefore, according to the present invention, can provide a kind of and can supply with the braking controlling organization that the motion of the moving body 11 when stopping to be braked with the power supply of easy structure subtend linear motor by utilizing existing equipment.
[industrial applicibility]
The present invention for example can be used in as the braking controlling organization in the linear guide device of linear motor mode.
[label declaration]
1 air source
2 check valves
3 air tanks
4 first adjusters
5 gas-liquid pressure-boosting devices
6 second adjusters
7 magnetic valves
10 guide rails
11 moving bodys
12 clamp bars
13 pressing mechanisms
14 through holes
15 pistons
16 pipe-fitting joints
17 O shapes ring
Claims (3)
1. braking controlling organization is characterized in that possessing:
Moving body moves on guide rail by linear electric motor;
Push the unit, described moving body is pressed on the described guide rail;
Hydraulic pressure unit is by the described unit of pushing of hydraulic-driven; And
Control valve is pushed described hydraulic pressure unit the unit is connected and hydraulic pressure is pushed the unit transmission to described with described when supplying with to the electric power of described linear motor when disconnecting.
2. braking controlling organization according to claim 1 is characterized in that possessing:
Air is pressed the converting unit that converts hydraulic pressure to; And
The air storage element of stored air.
3. braking controlling organization according to claim 1 and 2 is characterized in that,
Possess the low-pressure hydraulic unit, described low-pressure hydraulic unit drives the described unit of pushing by the hydraulic pressure than described hydraulic pressure unit low pressure,
When carrying out electric power to described linear motor when supplying with, described control valve is pushed described low-pressure hydraulic unit the unit is connected and low-pressure hydraulic is pushed the unit transmission to described with described.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008321732A JP5260257B2 (en) | 2008-12-18 | 2008-12-18 | Braking control mechanism |
| JP2008-321732 | 2008-12-18 | ||
| PCT/JP2009/069640 WO2010071004A1 (en) | 2008-12-18 | 2009-11-19 | Brake control mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102256743A true CN102256743A (en) | 2011-11-23 |
| CN102256743B CN102256743B (en) | 2014-01-01 |
Family
ID=42268679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980151186.8A Expired - Fee Related CN102256743B (en) | 2008-12-18 | 2009-11-19 | Brake control mechanism |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5260257B2 (en) |
| CN (1) | CN102256743B (en) |
| TW (1) | TWI414375B (en) |
| WO (1) | WO2010071004A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114370A (en) * | 2010-12-31 | 2011-07-06 | 杭州兴源过滤科技股份有限公司 | Large filter-press cloth-washing mechanism and travel brake cleaning method |
| CN102284880B (en) * | 2011-07-12 | 2013-02-13 | 油机机械工业（中国）有限公司 | C-axis device of numerical control vertical lathe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1226371B (en) * | 1988-08-04 | 1991-01-11 | Univer Spa | Linear braking device |
| CN1324284A (en) * | 1998-10-27 | 2001-11-28 | 耐克森集团公司 | Linear motion brake |
| JP2005069387A (en) * | 2003-08-26 | 2005-03-17 | Howa Mach Ltd | Rod-less cylinder for balancer of machine tool |
| CN1791548A (en) * | 2004-05-20 | 2006-06-21 | 三菱电机株式会社 | Elevator emergency stop apparatus |
| CN1982191A (en) * | 2005-12-15 | 2007-06-20 | 株式会社日立制作所 | Elevator and emergency braking device for the same |
| CN2920763Y (en) * | 2006-06-09 | 2007-07-11 | 中国北车集团唐山机车车辆厂 | Rail vehicle pneumatic-hydraulic braking device |
| CN200981163Y (en) * | 2006-12-13 | 2007-11-28 | 济南二机床集团有限公司 | Hydraulic brake device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845809A (en) * | 1981-09-04 | 1983-03-17 | Toshiba Corp | Prevention against spindle head dropping in hydraulic- drive copy milling machine |
| JPH0445647U (en) * | 1990-08-23 | 1992-04-17 | ||
| JPH06135316A (en) * | 1992-10-29 | 1994-05-17 | Jidosha Kiki Co Ltd | Abnormality detector of fail safe device in anti-skid brake controller |
| JPH10249666A (en) * | 1997-03-17 | 1998-09-22 | Toyoda Mach Works Ltd | Machine tool |
| JP4542305B2 (en) * | 2001-09-28 | 2010-09-15 | Ｔｈｋ株式会社 | Drive guide device |
| JP4498868B2 (en) * | 2003-10-22 | 2010-07-07 | コマツＮｔｃ株式会社 | Linear motor type travel slider lock mechanism and processing machine having the same |
| TWI229166B (en) * | 2003-10-23 | 2005-03-11 | Chung Shan Inst Of Science | Brake mechanism for high speed linear rail |
-
2008
- 2008-12-18 JP JP2008321732A patent/JP5260257B2/en not_active Expired - Fee Related
-
2009
- 2009-11-19 CN CN200980151186.8A patent/CN102256743B/en not_active Expired - Fee Related
- 2009-11-19 WO PCT/JP2009/069640 patent/WO2010071004A1/en active Application Filing
- 2009-12-07 TW TW98141719A patent/TWI414375B/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1226371B (en) * | 1988-08-04 | 1991-01-11 | Univer Spa | Linear braking device |
| CN1324284A (en) * | 1998-10-27 | 2001-11-28 | 耐克森集团公司 | Linear motion brake |
| JP2005069387A (en) * | 2003-08-26 | 2005-03-17 | Howa Mach Ltd | Rod-less cylinder for balancer of machine tool |
| CN1791548A (en) * | 2004-05-20 | 2006-06-21 | 三菱电机株式会社 | Elevator emergency stop apparatus |
| CN1982191A (en) * | 2005-12-15 | 2007-06-20 | 株式会社日立制作所 | Elevator and emergency braking device for the same |
| CN2920763Y (en) * | 2006-06-09 | 2007-07-11 | 中国北车集团唐山机车车辆厂 | Rail vehicle pneumatic-hydraulic braking device |
| CN200981163Y (en) * | 2006-12-13 | 2007-11-28 | 济南二机床集团有限公司 | Hydraulic brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010144813A (en) | 2010-07-01 |
| TWI414375B (en) | 2013-11-11 |
| CN102256743B (en) | 2014-01-01 |
| WO2010071004A1 (en) | 2010-06-24 |
| TW201032922A (en) | 2010-09-16 |
| JP5260257B2 (en) | 2013-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160708 Address after: Shiga Patentee after: MITSUBISHI HEAVY IND LTD Address before: Tokyo, Japan, Japan Patentee before: Mit-subishi Heavy Industries Ltd. |
|
| 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: 20140101 Termination date: 20181119 |