CN201167275Y

CN201167275Y - Disc type motor with a stop device

Info

Publication number: CN201167275Y
Application number: CNU2008200026656U
Authority: CN
Inventors: 罗世台
Original assignee: ZHENGMIN ELECTROMECHANICAL CO Ltd
Current assignee: ZHENGMIN ELECTROMECHANICAL CO Ltd
Priority date: 2008-02-22
Filing date: 2008-02-22
Publication date: 2008-12-17
Anticipated expiration: 2018-02-22

Abstract

The utility model relates to a disc type motor with a stopping device. A through bar opening is formed on the upper wall of a motor casing, a plurality of stopping pores corresponding to the bar opening are distributed and arranged at the top of a motor rotor in a ring pattern, the stopping device is arranged on the motor casing, and an actuator can drive a stopping bar passing through the bar opening to selectively protrude into the motor casing to clamp with the stopping pores, so as to prevent the rotor being subjected to rotational displacement caused by an insufficient braking force or an external force. In addition, such stopping manner can prevent the aluminum parts at the peripheral wall of the rotor from damage due to knocking or prevent a counterweight piece dropping off.

Description

Disc type motor with retaining device

Technical field

The utility model is the disc type motor that has retaining device about a kind of, refers in particular to a kind ofly in motor shell top, is provided with an arresting lever projection and the blocking motor rotor disc type motor with the device that carries out stop.

Background technology

The disc type motor is applied to mostly such as in the large-scale machine tables such as lathe, milling machine, drilling machine, with the power source as drive actions.

The primary structure of the disc type motor of prior art can drive rotating shaft rotor rotated (its external form is a plate-like) for being provided with one in motor case inside when motor is switched on, this rotor when motor cuts off the power supply can by provided thereon come between other sheet and motor case to contact by spring force produce friction as means of retention.And in addition, be provided with a retaining device on the motor shell side in addition, it is located at the outer shroud wall place of respective rotor, this retaining device be one by cylinder and spring powered to drive the assembly that an arresting lever carries out involution.It specifically act as when motor cuts off the power supply, and makes arresting lever ejection and impact rotor then be posted by the outer peripheral edges of rotor behind the interval of certain hour, directly with rotor stop, reaches certain location and unshift with further.

Yet, it is made that the outer rim of conventional art rotor is all aluminium material, and means of retention by arresting lever impact rotor periphery like this, often after using a period of time, cause rotor outer rim aluminium matter position to produce distortion easily, and then cause rotor when rotation, to produce wild effects such as skew, vibrations or noise increase because of collision.Moreover, with arresting lever recline pushing tow in rotor peripheries as the mode of stop and add the effect of blocking, therefore rotor periphery is that aluminium material matter is soft and because be subjected to other external force traction (for example: vibrations or external force rotation), thereby make pitch-row produce opening up the hole through frequent impact wear for several times, cause size to be subjected to displacement, and then influence is to the accurate degree of stop time control.In addition, in prior art, most likely be arranged with weight stack near the outer peripheral edges place, and come stop, probably have the weight stack of causing to come off and then cause the worry of motor damage by the periphery cutting location hole of arresting lever impact rotor in the upside of rotor.

Summary of the invention

Because aforementioned the deficiencies in the prior art, the utility model design is a kind of be provided with one can be from the disc type motor of housing top projection with the arresting lever of selectivity blocking rotor top.

For achieving the above object, the technological means that the utility model adopted is a kind of disc type motor with retaining device of design, and it comprises:

One housing, its inside is surrounded by a spatial accommodation, and its roof place runs through and be provided with a bar mouth, and its diapire center is provided with an axis hole;

One rotating shaft, it is arranged in the axis hole, and extends in the housing with an end, and end extends outside the housing in addition;

One stator, it is fixed at the housing inner bottom part, around the housing center;

One rotor, it is a discoid body, is sheathed on slippingly on the rotating shaft medial extremity and presents the blocking relation of coaxial corotation with rotating shaft, the place, top of rotor is the ring-like stop hole that is provided with a plurality of corresponding bar mouths with distributing;

One retaining device, it comprises a pivot frame, a pivot arm and an actuator;

The pivot frame is fixed in housing top wall top, and the pivot frame is provided with a pivot portion, and pivot portion is positioned between bar mouth and the housing periphery and it is higher than the top wall surface of housing;

The stage casing correspondence of pivot arm is hubbed at the pivot portion place of pivot frame, and the pivot arm with the one end inwards correspondence extend bar mouth top, the other end extends towards the outside, its elongated end inwards is provided with an arresting lever, this arresting lever correspondence is arranged in the bar mouth and can moves up and down in the bar mouth, and arresting lever optionally is equipped in the stop hole of rotor;

Actuator is located on the housing, and correspondence is positioned at the below of pivot arm outboard end, its be connected in pivot arm outboard end and optionally ascending, descending this end to drive the pivot portion pivot of pivot arm correspondence pivot frame.

After the motor outage, actuator moves down and corresponding being equipped in the stop hole of rotor in reasonable time interval rear drive arresting lever, can stop the influence displacement of rotor because of other external force factor, reaches the rotation that stops rotor really.So means of retention can be removed conventional rotors periphery aluminium matter wall from because of knocking the disappearance damaged and because of problems such as the bump rotor peripheries allows that weight stack drops take place, and to the solid big improvement of Yan Weiyi of the guarantor of product.In addition between arresting lever and the stop hole for directly utilizing blocking to concern stop, therefore more can be directly and promptly reach stopping effect.

Description of drawings

Fig. 1 is an embodiment vertical view of the present utility model;

Fig. 2 is the first action embodiment end view of the present utility model;

Fig. 3 is the second action embodiment end view of the present utility model; And

Fig. 4 is the 3rd an action embodiment end view of the present utility model.

Embodiment

Please referring to shown in Fig. 1,4, the disc type motor with retaining device of the present utility model can include a housing 10, a rotating shaft 20, a stator 30, a rotor 40 and a retaining device 50 for installing.

Aforementioned housing 10 inside are surrounded by a spatial accommodation, and its top end runs through and is provided with a bar mouth 11, and its diapire center swells inwardly and be provided with a pedestal 12, run through on the pedestal 12 be provided with one with the axis hole 13 of external communications.

Aforementioned rotating shaft 20 rotatably is arranged in the axis hole 13 on the pedestal 12, and the one end extends in housing 10 inner spaces, and end extends housing 10 outsides with the usefulness as the driving rotation in addition.

Stator former 30 is fixed at the bottom of housing 10 spatial accommodations, and it is for producing the coil of magnetic by energising, around pedestal 12 settings at housing 10 centers.

Aforementioned rotor 40 is a discoid body, it is sheathed on slippingly on rotating shaft 20 medial extremitys and presents the relation of being fastened of coaxial corotation with rotating shaft 20, and rotor 40 tops are provided with a sheet 42 in addition near the outer shroud place, and between the pedestal 12 of rotor 40 bottoms and housing 10, be provided with a spring 41 and come other sheet 42 to be placed in the upper wall surface of housing 10 with pushing tow, in addition, place, the top of rotor 40 is recessed into the stop hole 43 that is provided with a plurality of corresponding bar mouths 11 with being ring-like distribution.

Aforementioned retaining device 50 can comprise a pivot frame 51, a pivot arm 52 and an actuator 53;

Pivot frame 51 is fixed in housing 10 roofs top, the one end is fixed in housing 10 centers, in addition end span is crossed bar mouth 11 and is extended towards the outside, and this pivot frame 51 is provided with a pivot portion 511, pivot portion 511 between bar mouth 11 and housing 10 peripheries and its be higher than the top wall surface of housing 10.

The stage casing correspondence of pivot arm 52 is hubbed at pivot portion 511 places of pivot frame 51, and make its two ends can be by this to should pivot portion 511 doing vertically to displacement, and pivot arm 52 and with the one end inwards correspondence extend bar mouth 11 tops, the other end extends to housing 10 peripheral regions towards the outside, its elongated end inwards is provided with an arresting lever 521, these arresting lever 521 correspondences are arranged in the bar mouth 11 and can move up and down in bar mouth 11, and in the optionally corresponding stop hole 43 that is equipped in rotor 40 of arresting lever 521 to stop the swing offset of rotor 40;

Actuator 53 is fixedly arranged on the outer peripheral edges wall of housing 10, correspondence is positioned at the below of pivot arm 52 outboard ends, it is connected in pivot arm 52 outboard ends and can sees through timer control and optionally rises, falling this end pivots with the pivot portion 511 that makes pivot arm 52 corresponding pivot framves 51, and then allow arresting lever 521 projections enter in the housing 10 and be equipped in the stop hole 43 of rotor 40, the cylinder that this actuator 53 can be unidirectional start moves down with the outboard end that drives pivot arm 52 when motor is switched on, and be provided with and the opposite resetting spring of cylinder start direction in cylinder interior, allow arresting lever 521 projection in the housing 10 in the mode of the outboard end of mat pushing tow pivot arm 52 when motor cuts off the power supply.

The utility model rotor 40 when energising moves down and drives rotating shaft 20 rotations because of the magnetic attraction that produced by stator 30, and arresting lever 521 also drives lifting (please cooperate referring to shown in Figure 2) because of actuator 53 simultaneously; And after outage, rotor 40 since be subjected to spring 41 pushing tow and on devolve the position and since sheet 42 friction housing 10 roofs and then stop the rotation of rotor 40 in addition, then, cooperate the setting of timer can make actuator 53 in reasonable time at interval this arresting lever 521 of rear drive move down, and in the corresponding stop hole 43 that is equipped in rotor 40 to stop the influence swing offset (please cooperate referring to Fig. 3,4 shown in) of rotor 40 because of external force.

And so means of retention can be removed from because rotor 40 periphery aluminium matter walls are knocked for a long time and damage, cause rotor 40 rotation not steadily, rock or produce disappearance such as noise and because of bump rotor 40 peripheries dash doubts such as weight stack, and for the guarantor of the finished product Yan Weiyi part that gains admittedly.Moreover, between arresting lever 521 and the stop hole 43 for directly utilizing the relation of blocking stop, therefore can be really and promptly reach stopping effect, and, hereat have more the advantage that is easy to the dismounting maintenance because retaining device 50 is installed in housing 10 outsides.

Claims

1. disc type motor with retaining device is characterized in that it comprises:

One retaining device, it comprises a pivot frame, a pivot arm and an actuator;

2. the disc type motor with retaining device as claimed in claim 1, it is characterized in that actuator is the cylinder of unidirectional start, the outboard end that its selectivity drives the pivot arm moves down, cylinder interior is provided with and the opposite resetting spring of cylinder start direction in addition, and the outboard end of this resetting spring selectivity pushing tow pivot arm moves up.

3. the disc type motor with retaining device as claimed in claim 2 is characterized in that an end of pivot frame is fixed in the housing center, and end span is crossed the bar mouth and extended towards the outside in addition.

4. the disc type motor with retaining device as claimed in claim 3 is characterized in that actuator is arranged on the outer peripheral edges wall of housing.

5. the disc type motor with retaining device as claimed in claim 4 is characterized in that actuator controls its lifting time with a timer.