CN108393770A - Grinding tool - Google Patents

Grinding tool Download PDF

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Publication number
CN108393770A
CN108393770A CN201810411816.1A CN201810411816A CN108393770A CN 108393770 A CN108393770 A CN 108393770A CN 201810411816 A CN201810411816 A CN 201810411816A CN 108393770 A CN108393770 A CN 108393770A
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CN
China
Prior art keywords
emery wheel
wheel assembly
swing arm
axis
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810411816.1A
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Chinese (zh)
Inventor
余静远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810411816.1A priority Critical patent/CN108393770A/en
Publication of CN108393770A publication Critical patent/CN108393770A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/20—Drives or gearings; Equipment therefor relating to feed movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The present invention discloses grinding tool, is related specifically to the grinding tire field of model racing car.Including bottom plate, swing arm, power plant, emery wheel assembly and first support, it is characterized in that, first support is connected with bottom plate, power plant is connected with first support, power plant drives the rotation of emery wheel assembly, the outer circumference surface of emery wheel assembly is working face, and the axis of emery wheel assembly working face is overlapped with the axis that emery wheel assembly rotates；Wheel is rotatably connected with the first end of swing arm, the second end of swing arm is connect with the axis oscillating being connected on bottom plate, the rotation axis of wheel is parallel with the axis of oscillation of swing arm, and the rotation axis of wheel is more than 0 ° there are angle a, a with the rotation axis of emery wheel assembly and is less than 90 °.The present invention generates grinding component and driving component simultaneously by the rotary motion of emery wheel assembly, and simple in structure compared with the existing technology, good portability, at low cost, effect is good.

Description

Grinding tool
Technical field
The present invention relates to the grinding fields in tire circumference face on wheel, are related specifically to the grinding tire neck of model racing car Domain.
Background technology
Model racing car has very high requirement to the stability of tire-contact area and the circular runout in tire circumference face, this two A parameter affects the earth-grasping force of tire and the ride comfort of traveling.And there are die parting line and burrs for new surface of tyre, are matched in model When vehicle is raced during tire high-speed rotation, the die parting line and burr of surface of tyre when being contacted with ground, can be slight by tire It jacks up, contact area is reduced, to reduce the earth-grasping force of tire；Again since tire and wheel rim are all random assemblings, two The accumulation of error of person can cause tire circumference face run-out error larger, the mistake of tire high-speed rotation when model racing car is raced Cheng Zhong, the real-time rolling radius of tire is different, to influence the ride comfort of model racing car traveling.
The prior art is the structure according to center lathe, and diminution simplification is designed as can be with turning model racing car wheel set Lathe carries out turning to wheel set tyre surface, although above-mentioned purpose may be implemented, due to the use of be common lathe knot Structure, it is complicated in structure, portability is poor.The feeding due to conventional tool and feed function need to use two sets of linear motion units again It realizes, four holders of setting, four sets of linear cylindrical guide rails, two sets of screw rods, two sets of screw-bearings, two sets of handwheels, two is needed in structure It covers scale and two cover locking mechanisms, cost is very expensive.In addition, certain wheels are softer, surface of tyre is contacted with lathe tool when turning Region can deform evacuation, and cutting effect is not very ideal.
In conclusion there is an urgent need to a kind of simple in structure, good portability, grinding tools at low cost, effect is good.
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 tool.
To achieve the goals above, the scheme is as follows：
A kind of grinding tool, including bottom plate, swing arm, power plant, emery wheel assembly and first support are provided, characterized in that First support is connected with bottom plate, and power plant is connected with first support, and power plant drives the rotation of emery wheel assembly, emery wheel assembly Outer circumference surface is working face, and the axis of emery wheel assembly working face is overlapped with the axis that emery wheel assembly rotates；The of wheel and swing arm One end is rotatably connected, and the second end of swing arm connect with the axis oscillating being connected on bottom plate, the rotation axis of wheel and swing arm Axis of oscillation is parallel, and the rotation axis of wheel is more than 0 ° there are angle a, a with the rotation axis of emery wheel assembly and is less than 90 °.
Further, the grinding tool, characterized in that power plant includes motor and retarder, the output of motor The input terminal of axis and retarder connects, and the output shaft of retarder is connect with emery wheel assembly.
Further, the grinding tool, characterized in that the emery wheel assembly is made of emery wheel and shank, emery wheel Peripheral surface is the working face for participating in grinding, and the center of working face line of emery wheel is overlapped with the axis of shank.
Further, the grinding tool, characterized in that the emery wheel is made of abrasive wheel body and sand paper, sand paper The peripheral surface of abrasive wheel body can be pasted onto；The power plant output shaft is that screw thread pair is connect with shank.
Further, the grinding tool, characterized in that further include support shaft, support shaft is optical axis, support shaft first End is connected with swing arm first end；Further include transition body, transition body first end is equipped with to be connected with the interface of wheel center, transition body the Two ends are 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 in support shaft Axial direction to have limit, with resist emery wheel assembly grinding when component.
Further, the grinding tool, characterized in that grinding component is inserted in the direction one of support shaft with transition body It causes, transition body second end end face is contacted with the side of swing arm realizes axial limiting.
Further, the grinding tool, characterized in that further included second support, and crossed second support and bottom plate the Two ends are connected, and cross in second support and set there are one through-hole, along plate upper surface normal direction view, cross the axis of second support through-hole Line forms the angle a described in one with emery wheel assembly axis；It is opened up to observation along plate upper surface, crosses the axis of second support through-hole It is parallel with emery wheel assembly axis.
Further, the grinding tool, characterized in that further included second support, cross second support through-hole with Protruding shaft is connected, and the part that protruding shaft stretched out second support is equipped with external screw thread, and a threaded hole is arranged in swing arm second end, threaded hole Axis is parallel with support shaft, and the external screw thread bolt of protruding shaft enters in the threaded hole of swing arm second end, swing arm and to cross second support be screw thread Pair connection.
Further, the grinding tool, characterized in that further include elastic element, elastic element first end, which is connected, puts On arm, second end is connected on bottom plate so that swing arm and bottom plate have the tendency that moving toward one another.
Further, the grinding tool, characterized in that further include limiting the limit that angle is opened and closed between swing arm and bottom plate Device.
Grinding tool of the present invention generates grinding component and driving component simultaneously by the rotary motion of emery wheel assembly, It only needs a set of actuating unit to achieve and rotates and feed the effect that Liang Tao mechanisms generate in traditional technology, compared with the existing technology Simple in structure, 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 perspective representation 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 vertical base plate direction view)；
Fig. 6 is elastic element mounting means, limiting device schematic diagram；
Fig. 7 is the sectional view of swing arm rotatable connection；
Fig. 8 is the perspective representation of embodiment two.
In figure label for：
1, bottom plate；11, side plate；111, folded plate；12, first support；13, second support；
2, swing arm；21, support shaft；22, protruding shaft；221, fastener；23, limiting bracket；231, 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, power plant 3 drives emery wheel assembly 4 to rotate, emery wheel assembly 4 Outer circumference surface is working face, and the axis of 4 working face of emery wheel assembly is overlapped with the axis that emery wheel assembly 4 rotates.Wheel 5 and swing arm 2 First end rotatable connection, the second end of swing arm 2 connect with the axis oscillating being connected on bottom plate 1, the rotation axis of wheel 5 and The axis of oscillation of swing arm 2 is parallel, and for the rotation axis of wheel 5 with the rotation axis of emery wheel assembly 4 there are angle a, a is more than 0 ° and small In 90 ° (Fig. 5 shows).As shown in Figure 3, Figure 4, swing arm 2 is around the axis oscillating being connected on bottom plate 1, to motor car wheel 5 it is close or Working face far 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.Fig. 5 Right side is to translate respective axes so that intersection point is located at 5 peripheral surface of wheel and 4 contact area center of emery wheel assembly.For ease of reason Principle of Grinding and Cutting is solved, changes the elaboration of another thinking, wheel 5 is rolled along the peripheral surface of emery wheel assembly 4 in itself, if wheel 5 is not It is constrained to be axially moved toward emery wheel assembly 4 along the helix that helical angle is a, but the relative position of wheel 5 and emery wheel assembly 4 It is fixed, wheel 5 can not be axially moved toward emery wheel assembly 4, this movement can only be in the contact zone of wheel 5 and emery wheel assembly 4 Sliding friction discharges between domain, also just obtain it is desirable that grinding motion.
To ensure that 5 peripheral surface of wheel can be uniformly ground to, 5 peripheral surface of wheel and the contact area of emery wheel assembly 4 cover 5 full width range of lid wheel.
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 side plate 11 for being connected in 1 side of bottom plate, and the output shaft of retarder 32 passes through side plate 11, it is connected with emery wheel assembly 4 by connecting axle assembly 6.Further connection axle assembly 6 is made of connecting shaft 61 and bearing 62, even Spindle 61 is shaft-like revolving body, and 61 both ends of connecting shaft are respectively provided with coaxially connected with the shank 42 of retarder 32 and emery wheel assembly 4 Feature, this is characterized in that a hole is respectively arranged in hole, 61 both ends of connecting shaft, the two holes are coaxial, and the side in hole is equipped with threaded hole, Tight fixed bolt bolt enters the peripheral surface of compression axis in hole, realizes the shank at connecting shaft 61 both ends and retarder 32 and emery wheel assembly 4 42 is coaxial connected.Since connecting shaft 61 forms cantilever design, need to support close to the setting rotation of one end of emery wheel assembly 4, Bearing 62 is set in connecting shaft 61 close to one end of emery wheel assembly 4, and 62 inner ring of bearing is connected with connecting shaft 61,62 inner ring of bearing with Connecting shaft 61 is coaxial, and 62 outer ring of bearing is connected with first support 12, and first support 12 is connected with 1 first end of bottom plate.Due to power The output shaft of device 3 carries axial limiting function, 62 preferred deep groove ball bearing of bearing.First support 12 is preferably criticized in the prior art Measure the standard component of production.Further, motor 31 is direct current generator, and retarder 32 is planetary reducer or multiple stage gear reduction The output shaft section of device or harmonic speed reducer, retarder 32 is " D " shape.
As depicted in figs. 1 and 2, side plate 11 extends to the first end negative direction of bottom plate 1, the region extended and controller 7 It is connected, i.e., device 7 provides fixed point in order to control for the elongated area of side plate 11, and controller 7 is located at this region and so that grinding tool is tight It gathers, is portable.7 input power of controller can also integrated power supply itself, for control power plant 3 start and stop, Yi Jizhuan The adjusting of speed and direction.The switch and adjusting knob of controller 7 pass through side plate 11 to be operated for operator.As shown in Figure 2 and Figure 6, The elongated area of side plate 11 extends internally folded plate 111 upwards, can be used for showing the trade mark of grinding tool, model, operation instruction Etc. information, 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 2 first end of swing arm, and this connected mode can be, 2 first end of swing arm is equipped with hole, and 21 first end of support shaft is interference fit with this hole；Can also be, 21 first end of support shaft with 2 first end of swing arm welds together；It is also possible that 21 first end of support shaft enters the corresponding spiral shell of 2 first end of swing arm equipped with screwed plug In pit.
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 , when be ground component be inserted in transition body 51 direction of support shaft 21 it is consistent when (as shown in Figure 5), it is only necessary to limit loading direction Axial movement, specifically, it is preferable that 51 second end end face of transition body contacted with the side of swing arm 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.When the direction that grinding component and transition body 51 are inserted in support shaft 21 is inconsistent, the circular hole of 51 second end of transition body It is designed to through-hole, 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, limit Axial limiting is realized in position 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 modification with Connected 51 first end of transition body of wheel 5, grinding tool just adapt to the wheel 5 of different size.
In order to realize that the second end of swing arm 2 is connect with the axis oscillating being connected on bottom plate 1, may be used such as Fig. 2 and Fig. 7 Shown in scheme, second support 13 and 1 second end of bottom plate be connected, and sets that there are one through-holes in second support 13, along 1 upper surface of bottom plate Normal direction view, the axis of 13 through-hole of second support and 4 axis shape of emery wheel assembly a (shown in Fig. 5) in an angle, a is more than 0 ° and be less than 90 °, more precisely, a preferred scopes be no less than 0.5 ° and be not more than 5 °；It is opened up to observation along 1 upper surface of bottom plate, the The axis of two holders, 13 through-hole is parallel with 4 axis of emery wheel assembly.A springhole, the axis in this hole is arranged in 2 second end of swing arm Parallel with support shaft 21, the protruding shaft 22 that the springhole of 2 second end of swing arm is through 13 through-hole of second support is inserted into, adjustment swing arm 2, The axial gap of 22 end face of second support 13 and protruding shaft so that gap is minimum, fastens the springhole side spiral shell of 2 second end of swing arm Bolt so that springhole holds protruding shaft 22 tightly, and swing arm 2 and protruding shaft 22 are connected by realization, and adjusts state before keeping so that swing arm 2 It can be smooth around 13 through-bore axis of second support and without the swing of spacious amount.13 preferred prior art medium quantity batch processing of second support Standard component.Following scheme, through-hole and the protruding shaft 22 of second support 13 can also be used to be connected, protruding shaft 22 stretches out second support 13 Part is equipped with external screw thread, and a threaded hole is arranged in 2 second end of swing arm, and the axis of threaded hole is parallel with support shaft 21, protruding shaft 22 External screw thread bolt enters in the threaded hole of 2 second end of swing arm, and there are gaps between the side of swing arm 2 and second support 13, accommodate swing arm 2 Axial movement when swing, swing arm 2 and second support 13 are that screw thread pair connects, since the angle of the swing of swing arm 2 is smaller and does not surpass 1/4 week is spent, screw thread pair connects and only will produce small axial movement when swing arm 2 is swung, and is negligible, so swing arm 2 connect with the swing of second support 13 and can connect replacement with screw thread pair, further simplify structure.
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 swing arm 2 and bottom plate 1 to realize, following scheme can also be used.As shown in Figure 2, Figure 3 and Figure 4, elastic element 24 First end is connected in swing arm 2, and second end is connected on bottom plate 1 so that swing arm 2 and bottom plate 1 have the tendency that moving toward one another, to right Pressing force is generated between emery wheel assembly 4 and wheel 5.Further, as shown in fig. 6, elastic element 24 is extension spring, first end It is hooked in the hole in swing arm 2；Second end is hooked in the hole of bottom plate 1.
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 limit dress of folding angle between one limitation swing arm 2 of design and bottom plate 1 It sets.Limiting device is as shown in Figure 2 and Figure 6, and limiting bracket 23 is stretched out in 2 side of swing arm, and limiting bracket 23 is equipped with perforative threaded hole, 231 bolt of caging bolt enters in the threaded hole of limiting bracket 23, and 231 end of caging bolt withstands on bottom plate 1, further, limits spiral shell 231 end of bolt withstands on 12 upper surface of first support, adjusts the length that caging bolt 231 stretches out limiting bracket 23, to limit pendulum Angle is opened and closed between arm 2 and bottom plate 1.Further, it for the length stabilisation for making caging bolt 231 stretch out, will not easily be shaken Dynamic variation, can be by the threaded hole of limiting bracket 23 and 231 slight interference fit of caging bolt, the i.e. threaded hole of limiting bracket 23 It is slotted hole to squeeze；Or increase a nut, it is again and tight with this nut immediately after caging bolt 231 is adjusted.
Specifically, embodiment two,
As shown in figure 8, on the basis of embodiment one, power plant 3 is directly connected with first support 12, by retarder 32 shells and first support 12 are connected, and connecting shaft 61 is designed as shorter form, due to emery wheel assembly 4 apart from power plant 3 more Close, the degree of cantilever reduces, and cutting force also accordingly reduces, and can save 62 corresponding installation site of bearing 62 and bearing, His connection type is constant, can obtain greater compactness of 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 cutting 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.

Claims (10)

1. grinding tool, including bottom plate (1), swing arm (2), power plant (3), emery wheel assembly (4) and first support (12), special Sign is that first support (12) is connected with bottom plate (1), and emery wheel assembly (4) is rotatably connected with bottom plate (1), power plant (3) and first Holder (12) is connected, and power plant (3) drives emery wheel assembly (4) to rotate, and the outer circumference surface of emery wheel assembly (4) is working face, mill The axis of wheel assembly (4) working face is overlapped with the axis that emery wheel assembly (4) rotates；Wheel (5) and the first end of swing arm (2) rotate Connection, the second end of swing arm (2) are connect with the axis oscillating being connected on bottom plate (1), the rotation axis of wheel (5) and swing arm (2) axis of oscillation is parallel, the rotation axis of wheel (5) and the rotation axis of emery wheel assembly (4) there are angle a, a be more than 0 ° and Less than 90 °.
2. grinding tool according to claim 1, characterized in that power plant (3) includes motor (31) and retarder (32), the output shaft of motor (31) is connect with the input terminal of retarder (32), output shaft and the emery wheel assembly (4) of retarder (32) Connection.
3. grinding tool according to claim 1, characterized in that the emery wheel assembly (4) is by emery wheel (41) and shank (42) it forms, emery wheel (41) peripheral surface is the working face for participating in grinding, center of working face line and the shank (42) of emery wheel (41) Axis overlaps.
4. grinding tool according to claim 3, characterized in that the emery wheel (41) is by abrasive wheel body and sand paper group At sand paper can be pasted onto the peripheral surface of abrasive wheel body；
Power plant (3) output shaft is that screw thread pair is connect with shank (42).
5. grinding tool according to claim 1, characterized in that further include support shaft (21), support shaft (21) is optical axis, Support shaft (21) first end is connected with swing arm (2) first end；
Further include transition body (51), transition body (51) first end is equipped with to be connected with the interface at wheel (5) center, transition body (51) the Two ends are equipped with circular hole, this circular hole is set in the second end of support shaft (21), and transition body (51) rotates in support shaft (21), mistake The axial direction that body (51) is crossed in support shaft (21) will have limit, to resist component when emery wheel assembly (4) grinding.
6. grinding tool according to claim 5, characterized in that grinding component is inserted in support shaft (21) with transition body (51) Direction it is consistent, transition body (51) second end end face contacted with the side of swing arm (2) realize axial limiting.
7. grinding tool according to claim 1, characterized in that further include second support (13), second support (13) with Bottom plate (1) second end is connected, and sets in second support (13) there are one through-hole, along bottom plate (1) upper surface normal direction view, second The axis of holder (13) through-hole forms the angle a described in one with emery wheel assembly (4) axis；It is opened up to sight along bottom plate (1) upper surface It examines, the axis of second support (13) through-hole is parallel with emery wheel assembly (4) axis.
8. grinding tool according to claim 1, characterized in that further include second support (13), second support (13) Through-hole is connected with protruding shaft (22), and the part that protruding shaft (22) stretches out second support (13) is equipped with external screw thread, the setting of swing arm (2) second end The axis of one threaded hole, threaded hole is parallel with support shaft (21), and the external screw thread bolt of protruding shaft (22) enters the spiral shell of swing arm (2) second end In pit, swing arm (2) is that screw thread pair connects with second support (13).
9. grinding tool according to claim 1, characterized in that further include elastic element (24), elastic element (24) One end is connected in swing arm (2), and second end is connected on bottom plate (1) so that swing arm (2) and bottom plate (1) have the tendency that moving toward one another.
10. grinding tool according to claim 1, characterized in that further include being opened and closed between limitation swing arm (2) and bottom plate (1) The limiting device of angle.
CN201810411816.1A 2018-05-03 2018-05-03 Grinding tool Pending CN108393770A (en)

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CN102101262A (en) * 2009-12-18 2011-06-22 天津力强钢管有限公司 Rust removing device for circular tube
CN202200148U (en) * 2011-08-12 2012-04-25 合肥广齐建设集团起重设备安装有限公司 A rust removal wheel of a rust remover
CN202622506U (en) * 2012-04-01 2012-12-26 江阴市勤力橡塑机械有限公司 Tire white sidewall grinding machine
CN202952128U (en) * 2012-10-31 2013-05-29 东莞市贝司通橡胶有限公司 Tire tread grinding machine
CN106112731A (en) * 2016-07-01 2016-11-16 无锡康柏斯机械科技有限公司 A kind of surface of tyre rough thorn sanding apparatus
CN107756161A (en) * 2017-11-24 2018-03-06 丁建兵 A kind of tire sanding apparatus and its polishing process
CN107932241A (en) * 2017-12-22 2018-04-20 苏州苏铸重工有限公司 A kind of more specification casting grinding devices
CN207289704U (en) * 2017-08-17 2018-05-01 青岛浩润机械科技有限公司 A kind of tire repaiies device of tyre

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201009152Y (en) * 2007-02-14 2008-01-23 张�诚 Waste and old tire retreading sander
CN101808778A (en) * 2007-08-09 2010-08-18 倍耐力轮胎股份公司 Process and apparatus for grinding tyres
CN102101262A (en) * 2009-12-18 2011-06-22 天津力强钢管有限公司 Rust removing device for circular tube
CN202200148U (en) * 2011-08-12 2012-04-25 合肥广齐建设集团起重设备安装有限公司 A rust removal wheel of a rust remover
CN202622506U (en) * 2012-04-01 2012-12-26 江阴市勤力橡塑机械有限公司 Tire white sidewall grinding machine
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CN106112731A (en) * 2016-07-01 2016-11-16 无锡康柏斯机械科技有限公司 A kind of surface of tyre rough thorn sanding apparatus
CN207289704U (en) * 2017-08-17 2018-05-01 青岛浩润机械科技有限公司 A kind of tire repaiies device of tyre
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CN107932241A (en) * 2017-12-22 2018-04-20 苏州苏铸重工有限公司 A kind of more specification casting grinding devices

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Application publication date: 20180814