CN101058238A - Adjustable stepless electricity loss emergency braking device used for pressure machine - Google Patents
Adjustable stepless electricity loss emergency braking device used for pressure machine Download PDFInfo
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- CN101058238A CN101058238A CN 200710038889 CN200710038889A CN101058238A CN 101058238 A CN101058238 A CN 101058238A CN 200710038889 CN200710038889 CN 200710038889 CN 200710038889 A CN200710038889 A CN 200710038889A CN 101058238 A CN101058238 A CN 101058238A
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- electromagnetic clutch
- central shaft
- brake
- armature
- mounting seat
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Abstract
The invention provides an adjustable limitless sudden brake device for press machine. It features in an electric free brake device that comprises an installation base of the central shaft on the press machine wall, electromagnetic clutch towards the installation base, drive gear between the installation base and the armature, and the approach switch controlling the electromagnetic clutch installed on the top of the crankshaft of the press machine. It realizes one time adjustable feature, with short response time, stability, less noise.
Description
Technical field
The present invention usually relates to a kind of brake apparatus, relates to a kind of adjustable stepless electricity loss emergency braking device used for pressure machine especially.
Background technology
China does not have emergency braking control device at the rigid clutch pressing machine great majority of industrial production use at present.In operating process, bring numerous industrial accidents for the press operation worker.A large amount of severed fingers, the accident of cutting off the hands happens occasionally.Make operating personnel cause big spirit creation of tool and human body misery.Also result in hand cramps and economic loss simultaneously, bring a lot of instabilities humorous factor on good terms to society simultaneously to the corporate boss.
Electricity loss brake (deadman's brake) is a kind of special brake that belongs in the monolithic electromagnetic clutch product scope.This product originates in the later stage seventies, though it is very fast to develop later development, is a great development of monolithic electromagnetic brake in the energising brake, and forms the electricity loss brake of novel class.The action of energising brake is that energising braking, dead electricity disconnect.The electricity loss brake principle is opposite with the electromagnetic brake of energising braking, i.e. energising is thrown off, dead electricity (outage) braking.This product is accompanied by all kinds of motors and grows up for maintenance and motor are treated electricity, power failure state is harmonious.Be divided into machinery (stage clip) formula and magneto two big classes again by the action principle, the electricity loss brake that form braking torque.
Chinese patent ZL 97242874.7 provides a kind of stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine, this device is mounted in the place, axle center, the transmission gear wheel outside of forcing press, it is characterized in that, it comprises a no excitation action type electromagnetic clutch, one turn key executor, one power transmission shaft, and one one end is fixedly connected on the forcing press lathe bed and the other end is contained in the support on the end cap of described transmission gear wheel by bearing holder (housing, cover), described electromagnetic clutch and static friction sheet thereof and described support are fixedly connected, its movable friction plate sky is enclosed within on the described power transmission shaft, its driver blade is between described static friction sheet and the described movable friction plate and is fixedly connected on an end of described power transmission shaft, described turn key executor comprises: a control cam, and it is fixedly connected on the other end of described power transmission shaft; One slide plate, its end has driving groove; One first rolling member, it is installed in the other end of described slide plate and contacts with the working curved surface rolling of described control cam; One with the drive block of the turn key close-coupled of positive clutch, its end is embedded with one second rolling member, this rolling member is positioned at described driving groove.Its complex structure, cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of adjustable stepless electricity loss emergency braking device used for pressure machine, to avoid in the press operation process, accident occurring.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of adjustable stepless electricity loss emergency braking device used for pressure machine is characterized in that, comprising:
One electricity loss brake, it comprises:
One is installed in the mounting seat which is provided with a central shaft on the forcing press wallboard,
Be arranged on the electromagnetic clutch of described central shaft upper armature towards mounting seat,
Be arranged on the central shaft travelling gear between mounting seat and the armature; With
Be installed in press crankshaft top control electromagnetic clutch get electric dead electricity near switch.
Among the present invention, in order to regulate braking torque, described central shaft top is with the adjusting bolt, regulates between bolt and the armature and is provided with holddown spring.
In order to strengthen the reliability of braking, and fast braking, between described travelling gear and mounting seat and the armature friction plate can be set.
Described travelling gear is installed on the central shaft by bearing, guarantees that it does not rotate when braking flexibly.
Describedly comprise the transmitter that sends brake signal near switch, it is connected with electromagnetic clutch by controlable electric current, and the control electromagnetic clutch electric dead electricity.
Adjustable stepless electricity loss emergency braking device used for pressure machine of the present invention has adopted integrated design, and the moment of torsion adjustment of whole electricity loss brake and brake clearance have been realized disposable adjustable.The stepless electricity loss brake of this adjustable moment of torsion can be accomplished stepless brake hard in operate as normal, the design braking response time is not more than 0.135 second; No-failure operation number of times overgauge 2 * 10
5Inferior, be the emergency braking apparatus that a kind of latest model is safe and reliable, the response time is short.Simultaneously, can revise and change friction plate thrust in the clutch at any time according to the friction plate duty, control travelling gear operate as normal makes forcing press reach the normal brake application ability.Because adopt friction to compress masterpiece braking source, its stable working degree is much improved, the big maximum of braking torque can reach 150NM, has also significantly reduced work noise simultaneously, is a kind of desirable forcing press adjustable stepless electricity loss emergency braking device.
Description of drawings
Fig. 1 is installed in structural representation on the forcing press for the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation of electricity loss brake of the present invention.
Fig. 5 removes structural representation behind the central shaft for the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of adjustable stepless electricity loss emergency braking device used for pressure machine, comprise electricity loss brake 1, its mounting seat 11 is installed on the forcing press wallboard 31, mounting seat 11 is provided with central shaft 12, central shaft 12 is installation bases of whole electricity loss brake 1 each parts, which is provided with electromagnetic clutch 13, the armature 131 of electromagnetic clutch 13 is towards mounting seat 11 1 sides, be provided with travelling gear 14 between central shaft 12 upper armatures 131 and the mounting seat 11, gear wheel 32 engagements of itself and forcing press, flywheel 35 and gear wheel 32 coaxial settings.
Referring to Fig. 4 and Fig. 5, electromagnetic clutch 13 in the present embodiment is divided into two parts up and down by central shaft 12, be equipped with magnet exciting coil 132 on it, can work independently separately, the holddown spring 133 that is in compressive state can make armature 131 press travelling gear 14 when electromagnetic clutch 13 dead electricity.Central shaft 12 tops are provided with regulates bolt 15, regulates between bolt 15 and the armature 131 and is provided with holddown spring 151, and adjustable restraining dynamic torque is to increase braking torque when braking torque is not enough; For stability and the rapidity of further guaranteeing to brake, between travelling gear 14 and mounting seat 11 and the armature 131 friction plate 16 can be set respectively.Travelling gear 14 also can be installed on the central shaft 12 by bearing 17, guarantees that it does not rotate when braking flexibly.
Again referring to Fig. 1, Fig. 2 and Fig. 3, emergency braking apparatus of the present invention also comprise be installed in press crankshaft 33 tops near switch 2, bent axle 33 generally includes an axle sleeve 34.Comprise brake signal transmitter 21 near switch 2, its reception is arranged on the braking information of the inductance loop 36 on the forcing press, and by controlable electric current control electromagnetic clutch 13 devices electric dead electricity, optionally controlable electric current is very many, and all be prior art, those skilled in the art is appreciated that at this fully its structure and operation principle and just has been not repeated.
During the forcing press operate as normal, electromagnetic clutch 13 be in electricity condition, but travelling gear 14 normal rotation, the work of forcing press is not affected, in case the work of forcing press goes wrong, inductance loop 36 output brake signals, signal projector 21 makes electromagnetic clutch 13 dead electricity by controlable electric current, armature 131 presses travelling gear 14 after electromagnetic clutch 13 dead electricity under the effect of holddown spring 133, but effect lower transmissioning gear 14 fast and stables of friction plate 16 stop operating, gear wheel 32 with its engagement also stops operating thus, and whole forcing press change has shut down.After the work problem of forcing press finished, it is electric that electromagnetic clutch 13 is got, and forcing press can carry out work again.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. an adjustable stepless electricity loss emergency braking device used for pressure machine is characterized in that, comprising:
One electricity loss brake, it comprises:
One is installed in the mounting seat which is provided with a central shaft on the forcing press wallboard,
Be arranged on the electromagnetic clutch of described central shaft upper armature towards mounting seat,
Be arranged on the central shaft travelling gear between mounting seat and the armature; With
Be installed in press crankshaft top control electromagnetic clutch get electric dead electricity near switch.
2. brake apparatus as claimed in claim 1 is characterized in that: described central shaft top is with the adjusting bolt.
3. brake apparatus as claimed in claim 2 is characterized in that: be provided with holddown spring between described adjusting bolt and the armature.
4. brake apparatus as claimed in claim 1 is characterized in that: be provided with friction plate between described travelling gear and mounting seat and the armature.
5. as claim 1 or 4 described brake apparatus, it is characterized in that: described travelling gear is installed on the central shaft by bearing.
6. brake apparatus as claimed in claim 1 is characterized in that: the described brake signal transmitter that gets electric dead electricity that is connected and controls electromagnetic clutch by controlable electric current with electromagnetic clutch that comprises near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710038889 CN101058238A (en) | 2007-03-30 | 2007-03-30 | Adjustable stepless electricity loss emergency braking device used for pressure machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710038889 CN101058238A (en) | 2007-03-30 | 2007-03-30 | Adjustable stepless electricity loss emergency braking device used for pressure machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101058238A true CN101058238A (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710038889 Pending CN101058238A (en) | 2007-03-30 | 2007-03-30 | Adjustable stepless electricity loss emergency braking device used for pressure machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101058238A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588458A (en) * | 2012-03-15 | 2012-07-18 | 重庆长安汽车股份有限公司 | Axial positioning device for wet clutch |
| CN109436019A (en) * | 2018-12-07 | 2019-03-08 | 中铁第勘察设计院集团有限公司 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
| CN111923485A (en) * | 2020-07-01 | 2020-11-13 | 温岭市嘉轩机械有限公司 | Brake of electric screw press |
-
2007
- 2007-03-30 CN CN 200710038889 patent/CN101058238A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588458A (en) * | 2012-03-15 | 2012-07-18 | 重庆长安汽车股份有限公司 | Axial positioning device for wet clutch |
| CN102588458B (en) * | 2012-03-15 | 2016-03-30 | 重庆长安汽车股份有限公司 | The axial direction positioning device of wet clutch |
| CN109436019A (en) * | 2018-12-07 | 2019-03-08 | 中铁第勘察设计院集团有限公司 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
| CN111923485A (en) * | 2020-07-01 | 2020-11-13 | 温岭市嘉轩机械有限公司 | Brake of electric screw press |
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