CN102256743B - Brake control mechanism - Google Patents
Brake control mechanism Download PDFInfo
- Publication number
- CN102256743B CN102256743B CN200980151186.8A CN200980151186A CN102256743B CN 102256743 B CN102256743 B CN 102256743B CN 200980151186 A CN200980151186 A CN 200980151186A CN 102256743 B CN102256743 B CN 102256743B
- Authority
- CN
- China
- Prior art keywords
- unit
- pressure
- hydraulic
- brake control
- moving body
- 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.)
- Expired - Fee Related
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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
-
- 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
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 control mechanism.
Background technology
In lathe, for example, the moving body of gravity axis side that carries out lifting by linear electric motor when the emergency such as having a power failure, open circuit or mechanical power source disconnection etc. the power supply of linear motor is supplied with while stopping, the problem that exists moving body to fall because of gravity.As the countermeasure of this problem of reply, in the past, by lathe, with mechanisms such as drive system or guide surfaces, brake control mechanism being set independently, and carried out the braking of the motion of moving body.One example of this kind brake control mechanism 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 brake control mechanism in the past, need on lathe, with drive system or guide surface, brake apparatus be set independently, 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 power supply of easy structure subtend linear motor the brake control mechanism that the motion of the moving body while stopping is braked by utilizing existing equipment.
The brake control mechanism that a first aspect of the present invention relates to is characterised in that to possess:
The moving body moved on guide rail by linear electric motor;
Described moving body is pressed on to the unit of pressing on described guide rail;
By the described hydraulic pressure unit of pressing unit of hydraulic-driven; And
When the electric power to described linear motor supply with to disconnect by described hydraulic pressure unit with described press that unit is connected and by hydraulic pressure to the described control valve of pressing the unit transmission.
It is basis that the brake control mechanism that a second aspect of the present invention relates to be take the brake control mechanism that first aspect relates to, and it is characterized in that possessing:
Air pressure is converted to the converting unit of hydraulic pressure; And
The air storage element of stored air.
The brake control mechanism that a third aspect of the present invention relates to be take brake control mechanism that first aspect or second aspect relate to as basis, it is characterized in that,
Possess by the hydraulic pressure lower than described hydraulic pressure unit and drive the described low-pressure hydraulic unit of pressing unit,
When carrying out electric power to described linear motor while supplying with, described control valve is pressed described low-pressure hydraulic unit unit is connected and low-pressure hydraulic is pressed to the unit transmission to described with described.
[invention effect]
According to the present invention, can provide a kind of and can supply with the power supply of easy structure subtend linear motor the brake control mechanism that the motion of the moving body while stopping is braked by utilizing existing equipment.
The accompanying drawing explanation
Fig. 1 is the structure chart of brake control mechanism 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 A-A in 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 section in Fig. 2 is amplified.
The specific embodiment
Below, with reference to accompanying drawing, the embodiment of brake control mechanism of the present invention is described.
At first, to brake control mechanism of the present invention, the apparatus structure of the linear guide device of applicable linear motor mode 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 A-A in 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 section in Fig. 2 is amplified.
As shown in Figures 2 and 3, in the linear guide device of the linear motor mode in the industrial machine of lathe etc., the moving bodys such as Feed table 11 can be along the guide rail 10 of the fixation side as mechanical via clamp bar 12 and pressing mechanism 13 and moved.In illustrated example, from the angle guide portion 10a of below and guide rail 10 is chimeric, guide portion is directly moved in formation to the recess 11a of moving body 11.So, at brake control mechanism of the present invention, in the linear guide device of applicable linear motor mode, 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 section in 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 against the opposing party's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) by pressing mechanism 13 described later, D section in Fig. 2 and Fig. 3, the sliding surface of one side's sliding surface of guide rail 10 (being angle guide portion 10a strictly speaking) and moving body 11 (being recess 11a strictly speaking) is connected airtight.
As shown in Figure 4, pressing mechanism 13 can reciprocatingly be received in the through hole 14 be contained on the recess 11a that is formed at moving body 11, piston 15 on the face (press surface) of the leading section of described pressing mechanism 13 and the opposition side of the sliding surface that is pressed against clamp bar 12 is connected, and with brake control mechanism of the present invention described later (with reference to Fig. 1), is connected via pipe-fitting joint 16 at the through hole 14 that is positioned at these piston 15 backs.
In illustrated example, form hemispheric recess 12a on the press surface of clamp bar 12, and the hemispheric protuberance 15a and this recess 12a that make to be formed on the leading section of piston 15 are chimeric.It should be noted that, at the outer peripheral face of piston 15, O shape ring 17 is installed.And, separated a plurality of positions and piston 15 butts of predetermined distance along its moving direction on the press surface of clamp bar 12.
It is more than the apparatus structure of the linear guide device of the applicable linear motor mode of brake control mechanism of the present invention.
Then, the structure of brake control mechanism of the present invention described.
Fig. 1 is the structure chart of brake control mechanism of the present invention.It should be noted that, in Fig. 1, air-source 1 side of take describes as upstream.
As shown in Figure 1, brake control mechanism of the present invention is provided with the air tank 3 via check valve 2 stored airs, and described check valve 2 is for preventing that air is to air-source 1 adverse current.Be provided with the first adjuster 4 that the pressure of the air from air tank 3 outflows is adjusted in the downstream of air tank 3.Be provided with and can press and the gas-liquid booster 5 of output hydraulic pressure by input air in the downstream of the first adjuster 4.
The downstream of gas-liquid booster 5 is divided into slip hydraulic path and brake fluid pressure path, this slip hydraulic path is pressed into clamp bar 12 on guide rail 10 by piston 15, and the hydraulic pressure 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 guide rail 10 by piston 15, and the hydraulic pressure while transmitting the braking as the pressure of the degree that the motion of moving body 11 is braked.Be provided with the second adjuster 6 that the hydraulic pressure to flowing out from gas-liquid booster 5 is adjusted in the downstream of the gas-liquid booster 5 of slip hydraulic path side.
Be provided with magnetic valve 7 in the downstream of the second adjuster 6.It should be noted that, the pressure of adjusting by the second adjuster 6 is than the low pressure of pressure of adjusting by the first adjuster 4, is by piston 15, clamp bar 12 to be pressed on guide rail 10 to the pressure of the degree that moving body 11 and guide rail 10 are connected airtight.
In addition, be provided with magnetic valve 7 in the downstream of the gas-liquid booster 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 capability the time with pipe-fitting joint 16, when the electric power to magnetic valve 7 is supplied with disconnection, the brake fluid pressure pathway side is connected with pipe-fitting joint 16.Therefore, to magnetic valve 7 supply capability the time, the hydraulic pressure after adjusting by the second adjuster 6 puts on piston 15, and when the electric power to magnetic valve 7 is supplied with disconnection, the hydraulic pressure after adjusting by the first adjuster 4 puts on piston 15.It should be noted that, in Fig. 1, magnetic valve 7 means the situation that the brake fluid pressure pathway side is connected with pipe-fitting joint 16.
Thus, brake control mechanism of the present invention, in the linear motor supply capability, carries out excitation to magnetic valve 7, and the hydraulic pressure be set as for sliding is supplied with to piston 15.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 moved 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 be improved mechanical precision.
In addition, even because the sliding surface of slip moving body 11 (being recess 11a strictly speaking) weares and teares, the state that also can keep all the time and automatically 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 by clamp bar 12, therefore can realize the long term stabilization of mechanical precision.Therefore in addition, owing to automatically managing glade plane space, can alleviate operator's etc. burden.
In addition, when brake control mechanism of the present invention disconnects the electric power supply disconnection of isocline motor when the power supply of lathe, the excitation of magnetic valve 7 also disconnects, and is connected with pipe-fitting joint 16.Now, even in the situation that supply with and disconnect and the supply of air disconnects to the electric power of air-source 1, also can supply with hydraulic pressure to piston 15 by the air be stored in air tank 3.And the pressure of adjusting by the first adjuster 4 is to utilize piston 15 that clamp bar 12 is pressed on guide rail 10 and the pressure of the degree that the motion of moving body 11 is braked.
Thus, the hydraulic pressure that is set as the high pressure for braking 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 be braked the motion of moving body.
It should be noted that, use air pressure and hydraulic pressure in the brake control mechanism of present embodiment, but also can only use hydraulic pressure to form brake control mechanism or only use air pressure to form brake control mechanism.
As described above, according to brake control mechanism of the present invention, by possessing moving body 11, press unit, hydraulic pressure unit, and control valve, thereby when supplying with disconnection, can be braked the motion of moving body 11 electric power to linear motor, this moving body 11 moves on guide rail 10 by linear electric motor, this presses unit by moving body 11 is formed by the pressing mechanism 13 be pressed on guide rail 10, this hydraulic pressure unit drives and presses unit and consist of air-source 1 and the first adjuster 4 etc. by hydraulic pressure, when this control valve supply with to be disconnected by the electric power when to linear motor by hydraulic pressure unit with press that unit is connected and form to the magnetic valve 7 of pressing unit transmission hydraulic pressure.
In addition, by the air storage element that possesses the converting unit that formed by the gas-liquid booster 5 that air pressure is converted to hydraulic pressure and formed by the air tank 3 of stored air, even and in the situation that supply with to the electric power of air-source 1 and disconnect and the supply of air disconnects, also can supply with hydraulic pressure to piston 15 by the air be stored in air tank 3.
In addition, possess by the hydraulic pressure lower than hydraulic pressure unit and drive the low-pressure hydraulic unit formed by air-source 1 and the second adjuster 6 of pressing unit, control valve to the linear motor supply capability time by the low-pressure hydraulic unit with press that unit is connected and by low-pressure hydraulic to pressing the unit transmission, thereby when carrying out supplying with to the electric power of linear motor, moved 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 be improved mechanical precision.
Therefore, according to the present invention, can provide a kind of and can supply with the power supply of easy structure subtend linear motor the brake control mechanism that the motion of the moving body 11 while stopping is braked by utilizing existing equipment.
[industrial applicibility]
The inventive example is if for the brake control mechanism of the linear guide device as the linear motor mode.
[label declaration]
1 air-source
2 check valves
3 air tanks
4 first adjusters
5 gas-liquid boosters
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 shape rings
Claims (2)
1. a brake control mechanism is characterized in that possessing:
Moving body, move on guide rail by linear electric motor;
Press unit, described moving body is pressed on described guide rail;
Hydraulic pressure unit, by the described unit of pressing of hydraulic-driven;
Control valve is pressed described hydraulic pressure unit unit is connected and hydraulic pressure is pressed to the unit transmission to described with described when the electric power to described linear motor supply with to disconnect; And
The low-pressure hydraulic unit, drive the described unit of pressing by the hydraulic pressure than described hydraulic pressure unit low pressure,
When carrying out electric power to described linear motor while supplying with, described control valve is pressed described low-pressure hydraulic unit unit is connected and low-pressure hydraulic is pressed to the unit transmission to described with described.
2. brake control mechanism according to claim 1, is characterized in that, also possesses:
Air pressure is converted to the converting unit of hydraulic pressure; And
The air tank of stored air.
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 CN102256743A (en) | 2011-11-23 |
| CN102256743B true 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 (6)
| 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 |
| 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 (8)
| 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 |
| JP4111102B2 (en) * | 2003-08-26 | 2008-07-02 | 豊和工業株式会社 | Machine tool balance 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 WO PCT/JP2009/069640 patent/WO2010071004A1/en active Application Filing
- 2009-11-19 CN CN200980151186.8A patent/CN102256743B/en not_active Expired - Fee Related
- 2009-12-07 TW TW98141719A patent/TWI414375B/en not_active IP Right Cessation
Patent Citations (6)
| 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-69387A 2005.03.17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5260257B2 (en) | 2013-08-14 |
| CN102256743A (en) | 2011-11-23 |
| TWI414375B (en) | 2013-11-11 |
| TW201032922A (en) | 2010-09-16 |
| JP2010144813A (en) | 2010-07-01 |
| WO2010071004A1 (en) | 2010-06-24 |
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Legal Events
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| 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. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20181119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |