A kind of rotating device and its assemble method
Technical field
The present invention relates to electronic technology field more particularly to a kind of rotating devices and its assemble method.
Background technology
Center of gravity, be in gravitational field, object when being in any orientation the resultant force of gravity of all composition fulcrums all pass through
That point.The position of the object of uniform quality distribution, center of gravity is only related with the shape of object.The object of regular shape, it
Center of gravity just in geometric center.The object of non-uniform mass, the shape with object is removed in the position of center of gravity to be had outside the Pass, also with
The distribution of quality is related in object.The center of gravity of irregularly shaped object, not necessarily on object.
It needs in high-speed rotating machine, rotary power comes from motor, and rotary part is mounted in the rotation axis of motor
It is rotated together with motor.If the object center of gravity of high-speed rotation on its axis, can not cause violent vibration, operation will be unstable
It is fixed, and bearing can be by prodigious active force, accelerated wear test.
Some in existing product need the object of rotating speed hundreds of gram weights of drive of 20 turns per second of motor or more.Due to rotation
Centrifugal force is will produce, so the centre-of gravity shift of product can lead to the bad stability of entire product.
Invention content
A kind of rotating device of offer of the embodiment of the present invention increases the stability of rotation to adjust the center of gravity of electronic product.
Rotating device provided in an embodiment of the present invention, including:Including motor, rotation axis, rotating body, at least one counterweight
Holder and at least one weight element;
The rotation axis is connect with the motor, and the motor is for making the rotation axis rotate;
The rotating body and the counterweight support are installed in the rotation axis, and the weight element is installed on described match
On weight holder;The rotating body, the counterweight support and the weight element are rotated together with the rotation axis.
Optionally, the counterweight support includes upper counterweight support and lower counterweight support, and the upper counterweight support is set to institute
It states above rotating body, the lower counterweight support is set to below the rotating body.
Optionally, the position of the quantity of the weight element and the weight element in the counterweight support is according to institute
The center of gravity for stating rotating body determines.
Optionally, at least one groove is provided in the counterweight support, the configuration element is weight stack, the counterweight
Piece is fixed in the groove.
Optionally, the number of recesses being arranged in a counterweight support is even numbers, and the groove is relative to the rotation axis axis
It is symmetrical arranged.
Optionally, the weight element is the clump weight with through-hole, and the counterweight support is cradling piece, the clump weight
The shape of through-hole and the shape of the cradling piece are adapted.
Optionally, the quantity of the cradling piece is even numbers, and the cradling piece is arranged relative to the rotation axis axial symmetry.
Optionally, further include bearing and bearing cap;
The bearing cap includes bearing upper end cover and bearing bottom end cover, and the bearing upper end cover and the bearing bottom end cover are solid
It is scheduled on crust of the device, the bearing is for connecting the bearing cap and the rotation axis.
The embodiment of the present invention also provides a kind of electronic product, including above-mentioned rotating device.
The embodiment of the present invention also provides a kind of assemble method of rotating device, including:
Motor, rotation axis, rotating body and at least one counterweight support are assembled, wherein the rotation axis and institute
Motor connection is stated, the rotating body and the counterweight support are installed in the rotation axis, and the motor is for making described turn
Moving axis rotates, and the rotating body, the counterweight support and the rotation axis rotate together with;
According to the center of gravity of the rotating body determine weight element quantity and the weight element in the counterweight branch
Position on frame;
The weight element is fixed in the counterweight support, the weight element is made to be revolved together with the rotation axis
Turn.
Rotating device in the above embodiment of the present invention, including motor, rotation axis, rotating body, at least one counterweight branch
Frame and at least one weight element.Wherein, rotation axis is connect with motor, and motor is for making rotation axis rotate.Rotating body and
Counterweight support is installed in rotation axis, and weight element is installed in counterweight support;Rotating body, counterweight support and weight element
It is rotated together with rotation axis.When the rotating body in electronic product is object in irregular shape or its non-uniform mass
When, the center of gravity of entire rotating device can deviate rotation axis.At this point it is possible to adjust quantity and the position of the configuration element in counterweight support
It sets, changes the center of gravity of rotating device, so that center of gravity is located at rotation axis, increase the stability of product, reduce the abrasion of bearing.
Description of the drawings
Fig. 1 is the schematic cross-section of rotating device provided in an embodiment of the present invention;
Fig. 2 is the overlooking structure diagram of counterweight support and weight element in the embodiment of the present invention one;
Fig. 3 is the shape of weight stack in the embodiment of the present invention one;
Fig. 4 is the overlooking structure diagram of counterweight support and weight element in the embodiment of the present invention two;
Fig. 5 is the schematic cross-section of rotating device in the embodiment of the present invention two.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of rotating devices.Fig. 1 shows rotating device provided in an embodiment of the present invention
Schematic cross-section.As shown in Figure 1, the rotating device includes:Motor 1, rotation axis 2, rotating body 3, at least one counterweight support
4 and at least one weight element 5.Rotation axis 2 is connect with motor 1, and motor 1 is for making rotation axis 2 rotate.3 He of rotating body
Counterweight support 4 is installed in rotation axis 2, and weight element 5 is installed in counterweight support 4;Rotating body 3, counterweight support 4 and match
Weight element 5 is rotated together with rotation axis 2.
In the embodiment of the present invention, when the rotating body in electronic product is object in irregular shape or its Mass Distribution
When uneven, the center of gravity of entire rotating device can deviate rotation axis.At this point it is possible to adjust the number of the configuration element in counterweight support
Amount and position, change the center of gravity of rotating device, so that center of gravity is located at rotation axis, increase the stability of product, reduce the mill of bearing
Damage.
Above-mentioned counterweight support 4 includes upper counterweight support 41 and lower counterweight support 42.Upper counterweight support 41 is set to rotation master
The top of body 3, lower counterweight support 42 are set to the lower section of rotating body 3.The quantity of weight element 5 and weight element 5 with
Position on weight holder 4 is determined according to the center of gravity of rotating body 3.
For example, if the center of gravity of rotating body 3 is located at the left part in Fig. 1, the quality on 3 left side of rotating body is more than rotation and leads
The quality on 3 the right of body.Therefore, will weight element 5 be set on the right of counterweight support, increases the matter of entire rotating device right part
Amount, the center of gravity of rotating device is shifted to the right in rotation axis.In order to ensure the balance up and down of device, in addition it is also possible to by will be upper
Counterweight support 41 and lower counterweight support 42 setting different number or the weight element 5 of position, the center of gravity of rotating device is moved up or
Person moves down.
That is, in the embodiment of the present invention, the weight element 5 that is arranged in upper counterweight support 41 in lower counterweight support 42
The quantity of the weight element 5 of setting can be the same or different, the position for the weight element 5 being arranged in upper counterweight support 41 with
The position for the weight element 5 being arranged in lower counterweight support 42 can be the same or different, and the embodiment of the present invention does not limit this
System.
Further, in the embodiment of the present invention further include bearing 6 and bearing cap 61, bearing cap 61 includes bearing upper end cover 62
With bearing bottom end cover 63.Bearing upper end cover 62 and bearing bottom end cover 63 are fixed on crust of the device (not shown in Fig. 1).Bearing 6
For connecting bearing cap 61 and rotation axis 2.Bearing 6 can support rotating body, reduce the friction coefficient in its motion process, and
Ensure its rotating accuracy.
In the embodiment of the present invention, when motor 1 drives rotation axis 2 to rotate, rotating body 3, counterweight support 4, weight element 5
Rotation axis 2 is followed to rotate together.And bearing upper end cover 62 is fixed on the shell with bearing bottom end cover 63, is not rotated.Above-mentioned rotation
Component is connect with on-rotatably moving part by bearing 6.
It should be noted that in the embodiment of the present invention, counterweight support 4 and the position of bearing cap 61 do not limit, i.e. counterweight
Holder 4 can be set to the top of bearing cap 61, and counterweight support 4 can also be set to the lower section of bearing cap 62.
In the embodiment of the present invention, the shape of counterweight support 4 and weight element 5 can be there are many set-up mode with quantity.Under
The setting of counterweight support 4 and weight element 5 is introduced with different embodiments in face.
Embodiment one
Fig. 2 shows the overlooking structure diagrams of counterweight support and weight element in the embodiment of the present invention one.Such as Fig. 2 institutes
Show, at least one groove 43 is provided in counterweight support 4, and configuration element is weight stack 51, and weight stack is fixed in groove.Its
In, the quantity of groove 43 is even numbers, is arranged relative to rotation axis axial symmetry.The shape of weight stack is as schemed in the embodiment of the present invention one
Shown in 3.The shape of groove 43 is adapted with the shape of weight stack 51, and groove 43 is so that weight stack 51 is installed in counterweight support 4
Position fixed.In order to which weight stack 51 to be more solidly fixed in counterweight support, the back side of weight stack 51 can be arranged
Gum.
It should be noted that the shape of weight stack can be other patterns in the embodiment of the present invention, the quantity of groove also may be used
To be set as any amount.The quantity of fixed weight piece 51 or position in groove 43 can arbitrarily be adjusted.
Embodiment two
Fig. 4 shows the overlooking structure diagram of counterweight support and weight element in the embodiment of the present invention two.Such as Fig. 4 institutes
Show, weight element is the clump weight 52 with through-hole, and counterweight support is cradling piece 44, the shape and cradling piece of 52 through-hole of clump weight
44 shape is adapted.Wherein, the quantity of cradling piece 44 is even numbers, and cradling piece 44 is arranged relative to rotation axis axial symmetry.Specifically
, clump weight 52 can be nut, and cradling piece 44 is screw rod, is provided with and the matched screw thread of nut on screw rod.It can pass through
The quantity of adjustment screw top nut carrys out the center of gravity of adjusting apparatus with position.It can be provided with any number of spiral shell on one screw rod
Mother is fixed after adjusting the position of nut by dispensing.The materials such as the carbon steel of weight rate of exchange weight may be used in nut.
It should be noted that the shape of clump weight can be other patterns, the quantity of cradling piece in the embodiment of the present invention
It could be provided as any amount.The quantity of middle configuration block or position on cradling piece can arbitrarily be adjusted.
Fig. 5 shows the schematic cross-section of rotating device in the embodiment of the present invention two.As shown in figure 5, the rotating device packet
It includes:Motor 1, rotation axis 2, rotating body 3, at least one cradling piece 44 and at least one clump weight 52.Rotation axis 2 and electricity
Machine 1 connects, and motor 1 is for making rotation axis 2 rotate.Cradling piece 44 and clump weight 52 are installed in rotation axis 2, and clump weight 52 is installed
In on cradling piece 44;Rotating body 3, cradling piece 44 and clump weight 52 are rotated together with rotation axis 2.
Cradling piece 44 includes upper bracket bar 45 and carriage bar 46.Upper bracket bar 45 is set to the top of rotating body 3, under
Cradling piece 46 is set to the lower section of rotating body 3.Position root of the quantity and clump weight 52 of clump weight 52 on cradling piece 44
It is determined according to the center of gravity of rotating body 3.
Further, in the embodiment of the present invention two further include bearing 6 and bearing cap 61, bearing cap 61 includes bearing upper end cover
62 and bearing bottom end cover 63.Bearing upper end cover 62 and bearing bottom end cover 63 are fixed on crust of the device (not shown in Fig. 5).Bearing
6 for connecting bearing cap 61 and rotation axis 2.
The embodiment of the present invention additionally provides a kind of electronic product, including above-mentioned rotating device.
The embodiment of the present invention additionally provides a kind of assemble method of rotating device, including:
Motor, rotation axis, rotating body and at least one counterweight support are assembled, wherein the rotation axis and institute
Motor connection is stated, the rotating body and the counterweight support are installed in the rotation axis, and the motor is for making described turn
Moving axis rotates, and the rotating body, the counterweight support and the rotation axis rotate together with;
According to the center of gravity of the rotating body determine weight element quantity and the weight element in the counterweight branch
Position on frame;
The weight element is fixed in the counterweight support, the weight element is made to be revolved together with the rotation axis
Turn.
In the embodiment of the present invention, according to the center of gravity of rotating body determine weight element quantity and weight element in counterweight
Position on holder makes center of gravity be located at the purpose of rotation axis, increases the steady of product to reach the center of gravity for changing rotating device
It is qualitative, reduce the abrasion of bearing.
It should be noted that in the embodiment of the present invention, "upper" "lower" corresponds to above and below picture, i.e., " upper surface " is
Corresponding face, " lower surface " refer to the corresponding face in device lower section in picture to finger above device in picture, and the embodiment of the present invention is only
It is example effect.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.