Electromagnetism card slot type brake
Technical field
The present invention relates to a kind of electromagnetic mechanism for being used to brake.It is more particularly related to a kind of electromagnetism card slot type
Brake.
Background technology
The brake of in the market is that have to make moving component or movable machinery slow down, stop or keep the functions such as halted state
Device, be the machine components for making movement parts in machinery stop or slow down, be commonly called as brake, lock.Brake is main by frame processed, system
Moving part and manipulation device etc. are constituted.Some brakes are also equipped with the automatic regulating apparatus in brake component gap.In order to reduce brake force
Square and physical dimension, brake are commonly mounted on the high speed shaft of equipment, but the higher large scale equipment of security requirement should then be filled
On the slow-speed shaft close to equipment working portion.
Such a motor has the disadvantage that:First, moment of torsion is small, and conventional electromagnetic brake structural is friction catch structural principle,
By adding friction plate and realizing friction catch being provided between the iron core end face of winding and movable iron plate, this structure braking is turned round
The magnetic field intensity that square is depended primarily on produced by winding, magnetic field intensity is bigger, and braking torque is bigger, and magnitude of field intensity is depended on
The number of turns of winding enamel-covered wire, because spatial volume is limited in motor, therefore this structure produce magnetic field intensity it is smaller enter
And braking torque is smaller;2nd,
Volume is big, weight is heavy, cost is high, and to meet motor braking torque demand, electromagnetic brake is needed by increasing magnetic
Field intensity increases braking torque, therefore corresponding electromagnetic brake volume more than winding number of turns is larger, weight weight, cost are high;
3rd, short life, conventional electromagnetic brake relies on friction plate friction catch, the longevity for the electromagnetic brake that the abrasion of friction plate makes
Life is shorter, and the continuous effect of attrition braking torque of friction plate and sensitivity;4th, energy consumption is more, temperature rise is big, electromagnetic braking
Device is under normal released state, and the electric energy that heating in winding is consumed is more, and temperature rise is big.
The content of the invention
The present invention discloses a kind of electromagnetism card slot type brake to overcome the defect of prior art.
It is an advantage of the invention to provide a kind of small volume, lightweight, performance is stable and braking torque is big and imitates
Really good electromagnetism card slot type brake.
In order to realize according to object of the present invention and further advantage there is provided a kind of electromagnetism card slot type brake, its
It is characterised by, including iron core, the wound around coil on the outside of the iron core, the interior rotational installation lead ring of iron core, lead ring periphery opens up groove, groove
Rotational installation moving block in brake block, the lead ring is inside slidably inserted into, the periphery of moving block is provided with recess, the periphery of the lead ring
Provided with extension spring, extension spring inner ring props up brake block and stretched into recess, the iron core end face mounting flange, and the axis of cone is fixed on ring flange
And screw, the axis of cone and screw both pass through and be cased with spring on stretching ring flange, the screw extension, and the ring flange passes through spiral shell
Silk is separated on iron core end face, is opened up on the brake block in hole, the axis of cone patchhole, brake block detaches recess.
Preferably, the iron core is to set square groove, the braking on the trisection posistion on annular shape, its end face
Block is located in square groove, and its periphery also opens up a circle groove, and the coil is wrapped in the groove of iron core.
Preferably, the lead ring is annular shape, and its periphery opens up and three grooves are opened up in a circle groove, groove, three grooves
Position it is corresponding with the square groove on iron core.
Preferably, the moving block is toroidal, and its outer Monday circle, which is opened up, angularly opens up six recesses, the center
Open up square through hole.
Preferably, the brake block is made up of the square and anterior rectangle at rear portion, and its rear portion is obtained on square
Hole is opened up, anterior rectangle width is less than the square length of side at rear portion.
Preferably, three axis of cone and three spiral shells are angularly fixed on the same radial distance in the edge of the ring flange
Silk, and the axis of cone and screw are spaced from each other installation.
The present invention at least includes following beneficial effect:The present invention by electromagnetic action due to controlling brake block to brake, therefore
The magnetic field intensity needed is smaller, greatly reduces coil turn, so as to reduce brake volume, weight and cost;Due to utilizing system
The motion block strength of materials itself is braked, therefore braking torque is big, and sensitivity is high;Because brake block and moving block are from high intensity rigidity
Material, therefore material deformation is few, long lifespan;Because the number of turn of coil is few, therefore electric energy loss and all few, the brake temperature that generates heat
It is low.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of electromagnetism card slot type brake of the present invention;
Fig. 2 is the exploded view of electromagnetism card slot type brake of the present invention;
Fig. 3 is the half sectional view of electromagnetism card slot type brake of the present invention;
Fig. 4 is the front view of electromagnetism card slot type brake of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
Fig. 1 to 4 shows a kind of way of realization according to the present invention, including iron core 1, is twined in the outside of iron core 1
Rotational installation lead ring 3 in coiling 2, iron core 1, the periphery of lead ring 3 opens up and brake block 5 is slidably inserted into groove 4, groove 4, the lead ring 3
Interior rotational installation moving block 6, the periphery of moving block 6 is provided with recess 7, and the periphery of the lead ring 3 is provided with extension spring 8, and the inner ring of extension spring 8 is supported
Firmly brake block 5 is stretched into recess 7, the end face mounting flange 9 of iron core 1, and the axis of cone 10 and screw 11 are fixed on ring flange 9, cone
Axle 10 and screw 11 both pass through and are cased with spring 12 on stretching ring flange 9, the extension of screw 11, and the ring flange 9 passes through
Screw 11 is separated on the end face of iron core 1, is opened up on the brake block 5 in hole 13, the patchhole 13 of the axis of cone 10, brake block
5 detach recess 7.
The iron core 1 is to set square groove 14, the brake block 5 on the trisection posistion on annular shape, its end face
In in square groove 14, its periphery also opens up a circle groove, and the coil 2 is wrapped in the groove of iron core 1.
The lead ring 3 is annular shape, and its periphery, which is opened up, opens up three grooves 4, the position of three grooves 4 in a circle groove, groove
It is corresponding with the square groove 14 on iron core 1.
The moving block 6 is toroidal, and its outer Monday circle, which is opened up, angularly opens up six recesses 7, the center side of opening up
Shape through hole.
The brake block 5 is made up of the square and anterior rectangle at rear portion, and its rear portion, which is obtained, opens up hole 13 on square,
Anterior rectangle width is less than the square length of side at rear portion.
Three axis of cone 10 and three screws 11 are angularly fixed on the same radial distance in edge of the ring flange 9, and
The axis of cone 10 and screw 11 are spaced from each other installation.
Normal condition:
Coil electricity, iron core end face produces magnetic field absorption ring flange, and ring flange overcomes spring force to press close to iron core end face, method
In the hole of axis of cone insertion brake block on blue disk, brake block slides reducing in the groove on lead ring, and brake block leaves recess with turning
Motion block is separated, and moving block follows external rotating mechanism to rotate.
On-position:
Coil blackout, core field disappear, the axis of cone that ring flange is returned on initial position, ring flange under the action of the spring from
Detached in the hole of brake block, brake block returns to initial position under extension spring push-and-pull action, brake block is slided in the groove on lead ring
It is caught in recess so that moving block stops operating, so as to brake external rotating mechanism.
Operation principle:
Iron core combines to form electromagnetic relay structure, by realizing regulating flange piece and iron core distance to coil switching electricity,
So as to adjust the axis of cone and the distance of iron core, axis of cone termination is equipped with tapered, and the center of circle where circular hole, the axis of cone is offered on brake block
Away from greatly, brake block is slided in the groove of lead ring decile than distance of center circle under circular hole nature on brake block, moving block and system are realized
The clutch effect of motion block.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
As described above, according to the present invention, controlling brake block to brake due to passing through electromagnetic action, it is therefore desirable to magnetic field intensity
It is smaller, greatly reduce coil turn, so as to reduce brake volume, weight and cost;Due to strong using brake block material itself
Degree braking, therefore braking torque is big, sensitivity is high;Because brake block and moving block select high intensity rigid material, therefore material
Deformation is few, long lifespan;Because the number of turn of coil is few, therefore electric energy loss and heating are all few, and brake temperature is low.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With.It can be applied to various suitable the field of the invention completely., can be easily for those skilled in the art
Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.