Invention content
The present invention is intended to provide a kind of structure being different from conventional tool is simple, good portability, mill at low cost, effect is good
Cut the tool of wheel.
To achieve the goals above, the scheme is as follows:
There is provided a kind of tool of grinding wheel, including bottom plate, slide unit, power plant and emery wheel assembly, characterized in that power
Device is connected with bottom plate, and emery wheel assembly is rotatably connected with bottom plate, and power plant drives the rotation of emery wheel assembly, the outer circle of emery wheel assembly
Circumferential surface is working face, and the axis of emery wheel assembly peripheral surface is overlapped with the axis that emery wheel assembly rotates;Wheel is rotatably connected with slide unit,
Slide unit does along the straight line opposed bottom being fixed on bottom plate and only does translational motion;The rotation axis of wheel and slide unit translational motion
Direction it is vertical, emery wheel assembly rotation axis it is vertical with the direction of slide unit translational motion;The rotation axis of wheel and emery wheel are total
At rotation axis there are angle a, a is more than 0 ° and is less than 90 °.
Further, the tool of a kind of grinding wheel, characterized in that power plant includes motor and retarder,
The output shaft of motor and the input terminal of retarder connect, and the output shaft of retarder is connect with emery wheel assembly.
Further, the tool of a kind of grinding wheel, characterized in that further include connection axle assembly and first
Frame;Connection axle assembly is made of connecting shaft and bearing, and connecting shaft both ends are respectively provided with coaxial with the shank of retarder and emery wheel assembly
Connected feature;Bearing is set in connecting shaft close to one end of emery wheel assembly, and bearing inner race is connected with connecting shaft, bearing outer ring with
First support is connected, and first support is connected with bottom plate.
Further, the tool of a kind of grinding wheel, characterized in that the emery wheel assembly is by emery wheel and shank
Composition, emery wheel peripheral surface are the working faces for participating in grinding, and the center of working face line of emery wheel is overlapped with the axis of shank;The mill
Wheel is made of abrasive wheel body and sand paper, and sand paper can be pasted onto the peripheral surface of abrasive wheel body.
Further, the tool of a kind of grinding wheel, characterized in that further include support shaft, support shaft is optical axis,
Support shaft first end is connected with slide unit;Further include transition body, transition body first end is equipped with to be connected with the interface of wheel center, transition
Body second end is equipped with circular hole, this circular hole is set in the second end of support shaft, and transition body rotates in support shaft, and transition body is propping up
The axial direction of support axis will have limit, to resist the component when grinding of emery wheel assembly.
Further, the tool of a kind of grinding wheel, characterized in that grinding component is inserted in support shaft with transition body
Direction it is consistent, transition body second end end face contacted with the side of slide unit realize axial limiting.
Further, the tool of a kind of grinding wheel, characterized in that further include guide post and linear slider;Guide post
Bottom and bottom plate be connected, guide post is vertical with the axis that emery wheel assembly rotate, and linear slider and slide unit are connected, and linear slider is being led
It is slided on column, and slide unit cannot be rotated around guide post, the axis of guide post is vertical with the axis of support shaft.
Further, the tool of a kind of grinding wheel, characterized in that the guide post is linear cylindrical guide rail,
Linear slider with guide post cooperation is linear roller bearing, guide post and minimum two sets of corresponding linear slider setting.
Further, the tool of a kind of grinding wheel, characterized in that further include elastic element, elastic element
One end is connected on slide unit, and second end is connected on bottom plate so that slide unit and bottom plate have the tendency that moving toward one another.
Further, the tool of a kind of grinding wheel, characterized in that further include limitation slide unit and bottom plate spacing
Limiting device.
It is of the present invention it is a kind of grinding wheel tool, by emery wheel assembly rotary motion simultaneously generate grinding component and
Drive component, it is only necessary to which a set of actuating unit, which achieves, rotates and feed the effect that Liang Tao mechanisms generate in traditional technology, relatively
In prior art construction is simple, good portability, at low cost, effect is good.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the three-dimensional view of grinding tool;
Fig. 2 is the explosive view of grinding tool;
Fig. 3 is the schematic diagram that wheel is detached from emery wheel;
Fig. 4 is grinding tool working state schematic representation;
Fig. 5 is grinding tool schematic diagram (along guide rod direction view);
Fig. 6 is elastic element mounting means, limiting device schematic diagram;
Fig. 7 is the three-dimensional view of two hidden parts component of embodiment;
Fig. 8 is the three-dimensional view of embodiment two.
In figure label for:
1, bottom plate;11, guide post;12, first support;13, second support;14, third holder;141, folded plate;
2, slide unit;21, support shaft;22, linear slider;221, fastener;23, caging bolt;24, elastic element;
3, power plant;31, motor;32, retarder;
4, emery wheel assembly;41, emery wheel;42, shank;
5, wheel;51, transition body;
6, axle assembly is connected;61, connecting shaft;62, bearing;
7, controller.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution
Solution, and contribute to its implementation.
As shown in Figure 1, power plant 3 is connected with bottom plate 1, emery wheel assembly 4 is rotatablely connected with bottom plate 1, and power plant 3 drives
Emery wheel assembly 4 rotates, and the peripheral surface of emery wheel assembly 4 is working face, 4 turns of axis and the emery wheel assembly of the peripheral surface of emery wheel assembly 4
Dynamic axis overlaps.Wheel 5 is rotatably connected with slide unit 2, slide unit 2 can be done along the straight line opposed bottom 1 being fixed on bottom plate 1 and
Translational motion is only done, the rotation axis of wheel 5 is vertical with the direction of 2 translational motion of slide unit, the axis and cunning that emery wheel assembly 4 rotates
The direction of 2 translational motion of platform is vertical.As shown in Figure 3, Figure 4,2 opposed bottom 1 of slide unit does translational motion, and slide unit 2 is to motor-car
Working face of the wheel 5 close to or away from emery wheel assembly 4.
As shown in figure 5, when wheel 5 and emery wheel assembly 4 contact, the rotary shaft of the rotation axis and emery wheel assembly 4 of wheel 5
Line is more than 0 ° there are angle a, a and less than 90 °, angle a preferred scopes are no less than 0.5 ° and are not more than 5 °.4 turns of emery wheel assembly
When dynamic, wheel 5 is tangential along 4 rotation direction of emery wheel assembly by applying in 5 peripheral surface of wheel and 4 contact area of emery wheel assembly
Power FIt drives, and along the axial power F of emery wheel assembly 4Axis, FIt drivesAnd FAxisSynthesize the power F along the rotation axis direction of wheel 5It closes(driving wheel 5
The power of assembly rotation is smaller, ignores and does not consider), FAxisSo that emery wheel assembly 4 is ground wheel 5, FIt drivesWheel 5 is driven to rotate
(shown in Fig. 4) so that the grinding of 5 even circumferential of wheel.Following relationship, F are obtained by stress decompositionIt drives=FAxisTan (a), due to a
Value is smaller, smaller driving force FIt drivesLarger axial force F can be generatedAxis, i.e., smaller to the torque of 3 demand of power plant.For
It is easy to understand Principle of Grinding and Cutting, changes the elaboration of another thinking, wheel 5 is rolled along the peripheral surface of emery wheel assembly 4 in itself, wheel 5
If unfettered can be axially moved along the helix that helical angle is a toward emery wheel assembly 4, but the phase of wheel 5 and emery wheel assembly 4
It is fixed to position, wheel 5 can not be axially moved toward emery wheel assembly 4, this movement can only be in wheel 5 and emery wheel assembly 4
Sliding friction discharges between contact area, also just obtain it is desirable that grinding motion.
As shown in figure 5, to ensure that 5 peripheral surface of wheel can be uniformly ground to, 5 peripheral surface of wheel and emery wheel assembly 4
Contact area covers 5 full width range of wheel.Further, see that wheel 5 and emery wheel are total along the direction of 2 translational motion of slide unit
It is located in 5 width range of wheel at 4 axis crosspoint, preferably, the axial crosspoint of wheel 5 and emery wheel assembly 4 is in vehicle
It takes turns on the middle face of 5 width directions.
Specifically, embodiment one,
As shown in Fig. 2, bottom plate 1 is strip plate dress, 1 first end of bottom plate is connect with power plant 3.Power plant 3 includes electricity
Machine 31 can also include retarder 32, and motor 31 is driven by controller 7, and the output shaft of motor 31 connects with the input terminal of retarder 32
It connects, the output shaft of retarder 32 is connect with emery wheel assembly 4.Further, the shell of motor 31 and the shell of retarder 32 are connected, and subtract
End face where 32 output shaft of fast device is connected with the second support 13 being connected on bottom plate 1, and second support 13 is that shape is " L " shape
Stamping parts, the output shaft of retarder 32 passes through second support 13, is connected with emery wheel assembly 4 by connecting axle assembly 6.Into one
Step, connection axle assembly 6 are made of connecting shaft 61 and bearing 62, and connecting shaft 61 is shaft-like revolving body, and 61 both ends of connecting shaft are respectively provided with
The feature being coaxially connected with the shank 42 of retarder 32 and emery wheel assembly 4, this is characterized in hole, the respectively setting one of 61 both ends of connecting shaft
A hole, the two holes are coaxial, and the side in hole is equipped with threaded hole, and tight fixed bolt bolt enters the peripheral surface of compression axis in hole, and realizing will
61 both ends of connecting shaft and the shank 42 of retarder 32 and emery wheel assembly 4 are coaxial connected.Since connecting shaft 61 forms cantilever design,
It needs close to the setting rotation support of one end of emery wheel assembly 4, bearing 62 is set in connecting shaft 61 close to the one of emery wheel assembly 4
End, 62 inner ring of bearing are connected with connecting shaft 61, and 62 inner ring of bearing and connecting shaft 61 are coaxial, and 62 outer ring of bearing is solid with first support 12
Even, first support 12 is connected with 1 second end of bottom plate.Since the output shaft of power plant 3 carries axial limiting function, bearing 62 is excellent
Select deep groove ball bearing.The standard component of 12 preferred prior art medium quantity batch processing of first support.Further, motor 31 is direct current
Machine, retarder 32 are planetary reducer or multiple stage gear reduction device or harmonic speed reducer, the output shaft section of retarder 32
It is " D " shape.
As depicted in figs. 1 and 2, third holder 14 is installed in the side of bottom plate 1, and third holder 14 is connected with controller 7, i.e.,
Device 7 provides fixed point to third holder 14 in order to control, and controller 7 is between power plant 3 and third holder 14 so that grinding work
Have compact, portable.7 input power of controller can also integrated power supply itself, for control power plant 3 start and stop and
The adjusting of rotating speed and direction.The switch and adjusting knob of controller 7 pass through third holder 14 to be operated for operator.Such as Fig. 2 and Fig. 6
Shown, the elongated area of third holder 14 extends inwardly to form folded plate 141 upwards, can be used for show grinding tool trade mark,
The information such as model, operation instruction, eye-catching, compact, space utilization is reasonable.
Emery wheel assembly 4 is made of emery wheel 41 and shank 42, is revolving body, and 41 peripheral surface of emery wheel is the work for participating in grinding
Face, is cylindrical surface, and the center of working face line of emery wheel 41 is overlapped with the axis of shank 42.Shank 42 receives the transmission of power plant 3
Rotary motion.Further, emery wheel 41 is made of abrasive wheel body and sand paper, and sand paper can be pasted onto the peripheral surface of abrasive wheel body,
The sand paper of different roughness is conveniently replaceable to adapt to the tire of unlike material, is also allowed for after sand paper is reduced with grinding capacity more
It changes.
Support shaft 21 is optical axis, and 21 first end of support shaft is connected with slide unit 2, and this connected mode can be that slide unit 2 is set
It is interference fit with this hole to have hole, 21 first end of support shaft;Can also be that 21 first end of support shaft is welded on one with slide unit 2
It rises;It is also possible that 21 first end of support shaft enters equipped with screwed plug in 2 corresponding threaded hole of slide unit.
Wheel 5 includes tyre and rim, and the tyre and rim of model wheel is the assembly combined.Transition body 51
One end is equipped with to be connected with the interface at 5 center of wheel, the interface pattern that connected mode can be designed according to specific wheel 5 itself,
Interference fit connection is selected, be bolted or designs connecting pin identical with axletree and is realized, the present embodiment use is logical with wheel 5
The through-hole of the matched flange in hole, this flange and wheel 5 is interference fitted.51 second end of transition body is equipped with circular hole, this circular hole set
It is located at the second end of support shaft 21, the axis of this circular hole is overlapped with the axis of wheel 5, and transition body 51 is only micro- with support shaft 21
Small spacious amount, so that transition body 51 smoothly rotates in support shaft 21.
Transition body 51 will have limit in the axial direction of support shaft 21, to resist component when emery wheel assembly 4 is ground.Further
, as grinding component FAxisBe inserted in transition body 51 direction of support shaft 21 it is consistent when (as shown in Figure 5), it is only necessary to limitation loading side
To axial movement, specifically, it is preferable that 51 second end end face of transition body contacted with the side of slide unit 2 realize axial limiting;May be used also
With the circular hole of 51 second end of transition body is designed to blind hole, and the bottom of this blind hole contacts realization with 21 first end end face of support shaft
Axial limiting.As grinding component FAxisBe inserted in transition body 51 support shaft 21 direction it is inconsistent when, the circle of 51 second end of transition body
Hole is designed to through-hole, and after being packed into support shaft 21,21 first end of support shaft leaks out, and be connected positive stop end in the support shaft 21 of leakage,
Axial limiting is realized in positive stop end and the contact of transition body first end end face.The specification and model of wheel 5 are varied, it is only necessary to change
51 first end of transition body being connected with wheel 5, grinding tool just adapt to the wheel 5 of different size.
As depicted in figs. 1 and 2, the bottom of guide post 11 is connected with bottom plate 1, and guide post 11 hangs down with the axis that emery wheel assembly 4 rotates
Directly, linear slider 22 is connected with slide unit 2, and linear slider 22 is slided on guide post 11, and slide unit 2 cannot be rotated around guide post 11, i.e.,
For slide unit 2 without remaining degree of freedom in addition to being slided along guide post 11, the axis of guide post 11 is vertical with the axis of support shaft 21.Further,
The scheme that may be used, guide post 11 are linear cylindrical guide rails, and the linear slider 22 coordinated with guide post 11 is linear roller bearing, or
Circular hole on sliding bearing or slide unit 2, guide post 11 and corresponding linear slider 22 are arranged minimum two sets, between guide post 11 mutually
Parallel, 11 bottom of guide post hole corresponding on bottom plate 1 is equipped with spiral shell using corresponding hole side on connected or bottom plate 1 is interference fitted
Pit, the periphery for entering to be pressed in guide post 11 in this hole using bolt bolt realize that connected or guide post 11 bottom is welded on
It is connected on bottom plate 111.The scheme that can also be used, without rotational freedom between guide post 11 and linear slider 22, guide post 11 and right
The linear slider 22 answered is arranged a set of, and e.g., guide post 11 selects the linear guide with double row ball, just only moves in structure
Dynamic degree of freedom or guide post 11 and linear slider are coordinated using odd-shaped cross section.
As shown in figure 5, wheel 5 is contacted with emery wheel assembly 4, and to ensure that the whole width of wheel 5 will be with emery wheel assembly 4
Working face contacts, and due to the angle very little of angle a, and can be deformed when the contact of 5 surface of wheel, it is believed that the plain line of each wheel
It is come into full contact with the plain line of emery wheel assembly 4, ensures that 5 complete peripheral surface of wheel is all ground in this way.Emery wheel assembly 4 revolves
Turn the selection in direction, the direction of 5 axial thrust load F2 of generated wheel to be made to be inserted in the direction of support shaft 21 with transition body 51
Unanimously, it is convenient for the quick-replaceable of wheel 5 in this way, and simplifies design of the transition body 51 in the axial limiting of support shaft 21, drops
Low cost.
When emery wheel assembly 4 is ground wheel 5, to apply certain pressure in both they part, this pressure can be with
It is manually to press slide unit 2 and bottom plate 1 to realize, following scheme can also be used.As shown in Figure 2 and Figure 6, elastic element 24 first
End is connected on slide unit 2, and second end is connected on bottom plate 1 so that slide unit 2 and bottom plate 1 have the tendency that moving toward one another, to emery wheel
Pressing force is generated between assembly 4 and wheel 5.Further, as shown in fig. 6, elastic element 24 is extension spring, first end hooks
In hole on slide unit 2;Second end is hooked in the hole of bottom plate 1, this hole is opened in 13 side of second support.
In addition, for the ease of the degree that control wheel 5 is ground, consistency when ensureing to be ground multiple wheels, and keep away
Exempt from nurse of the operator always in grinding process, needs the limiting device for designing a limitation slide unit 2 and 1 spacing of bottom plate.Limit
Position device is as shown in Figure 2 and Figure 6, and slide unit 2 is equipped with perforative threaded hole, and 23 bolt of caging bolt enters in the threaded hole of slide unit 2, limits
23 end of bolt is withstood on bottom plate 1, and further, 23 end of caging bolt withstands on 12 upper surface of first support, adjusts limit spiral shell
Bolt 23 stretches out the length of slide unit 2, to limit 1 spacing of slide unit 2 and bottom plate.Further, in order to make caging bolt 23 stretch out
Length stabilisation will not easily be changed by vibrations, can be by the threaded hole of slide unit 2 and 23 slight interference fit of caging bolt, i.e.,
It is slotted hole that the threaded hole of slide unit 2, which squeezes,;Or increase a nut, after caging bolt 23 is adjusted, immediately with this nut
It is again and tight.
Specifically, embodiment two,
As shown in Figure 7 and Figure 8, on the basis of embodiment one, power plant 3 is directly connected with first support 12, it will
32 shell of retarder is connected with first support 12, and connecting shaft 61 is designed as shorter form, since emery wheel assembly 4 is filled apart from power
3 are set closer to the degree of cantilever reduces, and grinding force also accordingly reduces, and can save 62 corresponding installation position of bearing 62 and bearing
It sets;Third holder 14 can be installed in the side of the first end of bottom plate 1.Other connection types are constant, can obtain more compact
Structure, good portability.
Further can directly cancel connection axle assembly 6, by the output shaft of power plant 3 directly with emery wheel assembly 4
Shank 42 is coaxially connected, and connected mode can be welding, (shank 42 is designed as outer cone, 3 output shaft of power plant for taper connection
Inner cone is designed in end face, and outer cone and inner cone lock connected, preferred Morse's taper), (power plant 3 exports for shaft hole matching connection
Axial end designs blind hole, and shank 42 is inserted into blind hole, and the two interference is clearance fit with section, or both, and glue is added between gap
Water is connected) or screw thread pair connection (that is, the output shaft end face of power assembly 3 is designed as threaded hole, shank 42 is designed as stud,
The stud bolt of shank 42 enters in the threaded hole of 3 output shaft end face of power assembly, and the circumferential component cut makes screw thread pair rotation direction
Tight direction) etc. prior arts connection type.
Further it can also be that the output shaft of power plant 3 is exactly shank 42.
The present invention is divided the rotary motion of emery wheel assembly 4 by the relative position relation of design wheel 5 and emery wheel assembly 4
Solution is grinding force and driving force, has reached function identical with traditional cutting tool complicated machinery mechanism, simplifies structure reduction
Cost, easy to carry, ground effect is good, and can be adapted for the grinding of the tire of plurality of specifications.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.