CN108581662B

CN108581662B - Model car wheel grinding tool

Info

Publication number: CN108581662B
Application number: CN201810411813.8A
Authority: CN
Inventors: 余静远
Original assignee: TAIZHOU TIANYU TRANSPORTATION EQUIPMENT Co Ltd
Current assignee: TAIZHOU TIANYU TRANSPORTATION EQUIPMENT CO., LTD.
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2019-09-17
Anticipated expiration: 2038-05-03
Also published as: CN108581662A

Abstract

The present invention discloses model car wheel grinding tool, is related specifically to the grinding tire field of model racing car.Including matrix, swing arm, power device and mill, power device and matrix are connected, and power device drives mill rotation, and the end face of mill is working face, and the end face of mill is vertical with the axis that mill rotates；Wheel and the rotation of the first end of swing arm connect, and the second end of swing arm swings with the fixation bracket being connected on matrix and connects, and the rotation axis of wheel and the axis of oscillation of swing arm are parallel, and the rotation axis of wheel and the end face of mill are parallel；When the contact of the end face of wheel and mill, there are gap e, e to be not less than 0 for the rotation axis of the rotation axis of wheel and mill；There are gap f, f to be not less than 0 for the rotation axis of the median plane of wheel and mill.The present invention generates grinding component and driving component by the rotary motion of mill simultaneously, and structure is simple compared with the existing technology, good portability, at low cost, effect is good.

Description

Model car wheel 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 technique

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 road holding of tire and the ride comfort of traveling.And there are die parting line and burrs for new surface of tyre, match 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 road holding of tire；Again since tire and wheel rim are all random assemblings, two The accumulation of error of person will cause that tire circumference face run-out error is larger, the mistake of tire high-speed rotation in model racing car sports 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 using common lathe knot Structure, it is complicated in structure, portability is poor.The feeding due to conventional tool and feed function are needed using two sets of linear motion units again It realizes, setting four brackets, 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 a kind of there is an urgent need to structures simple, good portability, the model car wheel that at low cost, effect is good are ground work Tool.

Summary of the invention

The present invention is intended to provide a kind of structure for being different from conventional tool is simple, good portability, mould at low cost, effect is good Type wheel grinding tool.

To achieve the goals above, the scheme is as follows:

Model car wheel grinding tool, including matrix, swing arm, power device and mill are provided, characterized in that power device with Matrix is connected, and power device drives mill rotation, and the end face of mill is working face, and the axis that the end face of mill and mill rotate hangs down Directly；Wheel and the rotation of the first end of swing arm connect, and the second end of swing arm swings with the fixation bracket being connected on matrix and connects, vehicle The rotation axis of wheel and the axis of oscillation of swing arm are parallel, and the rotation axis of wheel and the end face of mill are parallel；When wheel and mill End face contact when, there are gap e, e to be not less than 0 for the rotation axis of the rotation axis of wheel and mill；The median plane of wheel with There are gap f, f to be not less than 0 for the rotation axis of mill.

Further, the model car wheel grinding tool, characterized in that power device is made of motor and retarder, Motor is driven by speed setting controller, and the output shaft of motor and the input terminal of retarder connect, and the output shaft and mill of retarder connect It connects.

Further, the model car wheel grinding tool, characterized in that mill is revolving body, and end face is to participate in thereon The working face of grinding is plane, and the upper surface of mill and the axis of mill are vertical, mill connected, the mill coaxial with power device Disk is made of mill supporter and sand paper, and sand paper can be pasted onto the upper surface of mill supporter.

Further, the model car wheel grinding tool, characterized in that further include support shaft, support shaft is optical axis, branch It supports axis first end and swing arm first end is connected.

Further, the model car wheel grinding tool, characterized in that further include transition body, transition body first end is set Have and 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, transition Body rotates in support shaft, and transition body will have limit in the axial direction of support shaft, to resist component when mill grinding.

Further, the model car wheel grinding tool, characterized in that grinding component and transition body are inserted in support shaft Direction is consistent, and transition body second end end face is contacted with the side of swing arm realizes axial limiting.

Further, the model car wheel grinding tool, characterized in that it further include fixed bracket, fixed bracket and base Body is connected, and fixed bracket is equipped with a through-hole, and the axis of this through-hole is vertical with the axis that mill rotates, and swing arm second end is set There is a protruding shaft, the axis of protruding shaft is parallel with support shaft, and the through-hole in this protruding shaft and fixed bracket cooperates；The cylindrical portion of protruding shaft Point slightly larger than fixed rack ventilating hole height, the top of protruding shaft column part is equipped with screw thread, and the major diameter of screw thread is less than the outer of cylinder Diameter, fastener bolt enter in the screw thread of protruding shaft.

Further, the model car wheel grinding tool, characterized in that further include fixed bracket, the second end of swing arm Equipped with a screw thread protruding shaft, fixed branch is provided with a threaded hole, and the screw thread protruding shaft bolt of swing arm second end enters support bracket fastened spiral shell In pit, swing arm is that screw thread pair connects with the fixation bracket of matrix.

Further, the model car wheel grinding tool, characterized in that further include elastic element, elastic element first It holds and is connected in swing arm, second end is connected on matrix, so that swing arm and matrix have the tendency that moving toward one another.

Further, the model car wheel grinding tool, characterized in that further include opening and closing angle between limitation swing arm and matrix The limiting device of degree.

Model car wheel grinding tool of the present invention generates grinding component and driving point by the rotary motion of mill simultaneously Power, it is only necessary to which a set of power mechanism, which achieves, rotates and feed the effect that Liang Tao mechanism generates in traditional technology, relative to existing Technical pattern is simple, good portability, at low cost, effect is good.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of 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 mill；

Fig. 4 is grinding tool working state schematic representation；

Fig. 5 is grinding tool schematic diagram (along mill pivot center direction view)；

Fig. 6 is the mounting means schematic diagram of elastic element and base member；

Fig. 7 is that swing arm and fixed bracket swing connection sectional view.

In the figure, it is marked as

1, matrix；11, fixed bracket；

2, swing arm；21, support shaft；22, protruding shaft；221, fastener；23, limiting bracket；231, caging bolt；24, elastic Element；

3, power device；31, motor；32, retarder；

4, mill；41, mill supporter；42, sand paper；

5, wheel；51, transition body.

Specific embodiment

Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the 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 design of the invention, technical solution Solution, and facilitate its implementation.

As shown in Figure 1, power device 3 and matrix 1 are connected, power device 3 drives mill 4 to rotate, and the end face of mill 4 is work Make face, the end face of mill 4 is vertical with the axis that mill 4 rotates.The first end of wheel 5 and swing arm 2, which rotates, to be connected, and the of swing arm 2 Two ends swing with the fixation bracket 11 being connected on matrix 1 and connect, and the rotation axis of wheel 5 is parallel with the axis of oscillation of swing arm 2, The rotation axis of wheel 5 is parallel with the end face of mill 4.As shown in Figure 3, Figure 4, swing arm 2 is swung around fixed bracket 11, to drive Wheel 5 is close to or away from the end face of mill 4.As shown in figure 5, when the contact of the end face of wheel 5 and mill 4, the rotary shaft of wheel 5 There are gap e, e to be not less than 0 for the rotation axis of line and mill 4；And the rotation axis of the median plane of wheel 5 and mill 4 exists Gap f, f are not less than 0.When mill 4 rotates in this way, it can apply in 5 outer peripheral surface of wheel and 4 contact area of mill and be rotated along mill 4 The tangential power F in direction is closed, and F credit union is decomposed into the rotation axis of power F2 and vertical wheel 5 along the rotation axis direction of wheel 5 The power F1 in direction.Power F2 is ground mill 4 to wheel 5, and power F1 drives wheel 5 to rotate (shown in Fig. 4), so that wheel 5 The grinding of even circumferential.

Specifically,

As shown in Fig. 2, matrix 1 is strip plate dress, 1 first end of matrix connect with power device 3,1 second end of matrix with consolidate Fixed rack 11 connects.Further, matrix 1 is that metal plate punching technique is manufactured.

Power device 3 is made of motor 31 and retarder 32, and motor 31 is driven by speed setting controller, the output shaft of motor 31 It is connect with the input terminal of retarder 32, the output shaft of retarder 32 is connect with mill 4.Further, the shell of motor 31 and deceleration The shell of device 32 is connected, and the end face and matrix 1 where 32 output shaft of retarder are connected, and the output shaft of retarder 32 passes through matrix 1 It is connected with mill 4.Further, motor 31 is direct current generator, and retarder 32 is planetary reducer or multiple stage gear reduction Device or harmonic speed reducer, the output shaft section of retarder 32 are " D " shapes.

Mill 4 is revolving body, and end face is the working face for participating in grinding thereon, is plane, the upper surface of mill 4 and mill 4 Axis it is vertical.4 bottom of mill is equipped with the interface that axis connection is exported with power device 3, this interface is exported with power device 3 The hole of axis cooperation, the axis in this hole are overlapped with the axis of mill 4, and the side wall in hole is equipped with perforative threaded hole, tight fixed bolt bolt Enter in this threaded hole, be compressed tightly against the side of 3 output shaft of power device, realize by mill 4 with power device 3 is coaxial consolidates Even.Further, mill 4 is made of mill supporter 41 and sand paper 42, and sand paper 42 can be pasted onto the upper of mill supporter 41 End face is conveniently replaceable the sand paper of different roughness to adapt to the tire of unlike material, is also convenient for sand paper 42 as grinding capacity drops Replacement after low.

Support shaft 21 is optical axis, and 21 first end of support shaft and 2 first end of swing arm are connected, and this connected mode can be, 2 first end of swing arm is equipped with hole, and 21 first end of support shaft and this hole are interference fits；Be also possible to 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, which is equipped with screwed plug, enters the corresponding spiral shell of 2 first end of swing arm 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 itself can be designed according to specific wheel 5, 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 mill 4 is ground.Further, when When grinding component is consistent with the direction that transition body 51 is inserted in support shaft 21 (as shown in Figure 5), it is only necessary to which limitation is packed into the axis in direction To movement, specifically, it is preferable that 51 second end end face of transition body is contacted with the side of swing arm 2 realizes axial limiting；It was also possible that The circular hole for crossing 51 second end of body is designed to blind hole, and the bottom of this blind hole contacts the axial limit of realization with 21 first end end face of support shaft Position.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 is designed to Through-hole, be packed into support shaft 21 after, 21 first end of support shaft leak out, in the support shaft 21 of leakage be connected positive stop end, positive stop end and Axial limiting is realized in the contact of transition body first end end face.The specification and model of wheel 5 are varied, it is only necessary to modification and wheel 5 Connected 51 first end of transition body, grinding tool just adapt to the wheel 5 of different size.

It is connected in order to which the second end for realizing swing arm 2 and the fixation bracket 11 being connected on matrix 1 are swung, it can be using as schemed 2 and scheme shown in Fig. 7, fixed bracket 11 is connected with matrix 1, and fixed bracket 11 is equipped with a through-hole, the axis of this through-hole Line is vertical with the axis that mill 4 rotates, and 2 second end of swing arm is equipped with a protruding shaft 22, and the axis of protruding shaft 22 is parallel with support shaft 21, Through-hole in this protruding shaft 22 and fixed bracket 11 cooperates；The column part of protruding shaft 22 is slightly larger than the height of fixed 11 through-hole of bracket Degree, the top of 22 column part of protruding shaft are equipped with screw thread, and the major diameter of screw thread is less than the outer diameter of cylinder, and 221 bolt of fastener enters protruding shaft 22 Screw thread in, distance due to 221 end face of fastener apart from 2 side of swing arm is slightly larger than the height of fixed 11 through-hole of bracket, therefore, pendulum Arm 2 can smoothly swing with fixed bracket 11 and connect；Further, fixed bracket 11 is to turn down to be formed from punching press on matrix 1 , the through-hole end face of fixed bracket 11 and 2 side contact area of swing arm are larger, for reducing the spacious amount of swing arm 2.It can also use Following scheme, the second end of swing arm 2 are equipped with a screw thread protruding shaft, and fixed bracket 11 is equipped with a threaded hole, 2 second end of swing arm Screw thread protruding shaft bolt enters in the threaded hole of fixed bracket 11, and there are gaps between the side of swing arm 2 and fixed bracket 11, accommodate swing arm 2 swing when axial movement, swing arm 2 is that screw thread pair connect with the fixation bracket 11 of matrix 1, due to swing arm 2 swing angle compared with It is small and be no more than 1/4 week, swing arm 2 swing when screw thread pair connect can only generate small axial movement, be it is negligible, It is substituted so swing arm 2 connects to be connected with screw thread pair with the swing of the fixation bracket 11 of matrix 1, further simplifies structure.

As shown in figure 5, wheel 5 is contacted with mill 4, and to guarantee that the whole width of wheel 5 will connect with 4 upper surface of mill Touching, just can guarantee that the complete outer peripheral surface of wheel 5 is all ground in this way.The selection of 4 direction of rotation of mill will make generated The direction of 5 axial thrust load F2 of wheel is consistent with the direction that transition body 51 is inserted in support shaft 21, in this way convenient for wheel 5 quickly more It changes, and simplifies transition body 51 in the design of the axial limiting of support shaft 21, reduce costs.

When mill 4 is ground wheel 5, to apply certain pressure in both they part, this pressure can be people Work presses swing arm 2 and matrix 1 to realize, can also use following scheme.As shown in Figure 2, Figure 3 and Figure 4, elastic element 24 first It holds and is connected in swing arm 2, second end is connected on matrix 1, so that swing arm 2 and matrix 1 have the tendency that moving toward one another, thus to mill Pressing force is generated between 4 and wheel 5.Further, as shown in fig. 6, elastic element 24 is extension spring, first end is hooked on pendulum In hole on arm 2；It is set on matrix 1 there are two through-hole, for the ease of assembly, 24 second end of elastic element can be passed through one of Through-hole is hooked between the two through-holes (similar with the annulus among the ox muzzle).

In addition, guaranteeing consistency when being ground to multiple wheels, and keep away for the ease of the degree that control wheel 5 is ground Exempt from nurse of the operator always in grinding process, needs to design the limit dress for opening and closing angle between a limitation swing arm 2 and matrix 1 It sets.Limiting device is as shown in Figure 2, Figure 3 and Figure 4, and limiting bracket 23 is stretched out in 2 side of swing arm, and limiting bracket 23 is equipped with perforative spiral shell Pit, 231 bolt of caging bolt enter in the threaded hole of limiting bracket 23, and 231 end of caging bolt withstands on matrix 1, adjust limit spiral shell Bolt 231 stretches out the length of limiting bracket 23, opens and closes angle between swing arm 2 and matrix 1 to limit.Further, in order to make to limit The length stabilisation that bolt 231 stretches out, will not easily be changed by vibration, can be by the threaded hole and caging bolt of limiting bracket 23 It is slotted hole that 231 slight interference fits, the i.e. threaded hole of limiting bracket 23, which squeeze,；Or increase a nut, when caging bolt 231 It is again and tight with this nut immediately after adjusting.

The rotary motion of mill 4 is decomposed into cutting by the relative positional relationship of design wheel 5 and mill 4 by the present invention Power and driving force have reached function identical with traditional cutting tool complicated machinery mechanism, have simplified structure and reduce costs, just In carrying, ground effect is good, and can be adapted for the grinding of the tire of plurality of specifications.

These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. model car wheel grinding tool, including matrix (1), swing arm (2), power device (3) and mill (4), characterized in that power Device (3) and matrix (1) are connected, and power device (3) drives mill (4) rotation, and the end face of mill (4) is working face, mill (4) End face it is vertical with the axis that mill (4) rotates；

The first end of wheel (5) and swing arm (2), which rotates, to be connected, the second end of swing arm (2) and the fixed branch being connected on matrix (1) Frame (11) swings connection, and the rotation axis of wheel (5) is parallel with the axis of oscillation of swing arm (2), the rotation axis and mill of wheel (5) The end face of disk (4) is parallel；

When the contact of the end face of wheel (5) and mill (4), between the rotation axis presence of the rotation axis and mill (4) of wheel (5) Gap e, e are not less than 0；There are gap f, f to be not less than 0 for the median plane of wheel (5) and the rotation axis of mill (4).

2. model car wheel grinding tool according to claim 1, characterized in that power device (3) is by motor (31) and subtracts Fast device (32) composition, motor (31) are driven by speed setting controller, and the output shaft of motor (31) and the input terminal of retarder (32) connect It connects, the output shaft of retarder (32) is connect with mill (4).

3. model car wheel grinding tool according to claim 1, characterized in that mill (4) is revolving body, and end face is thereon The working face for participating in grinding, is plane, the upper surface of mill (4) is vertical with the axis of mill (4), mill (4) and power device (3) coaxial to be connected, mill (4) is made of mill supporter (41) and sand paper (42), and sand paper (42) is pasted onto mill supporter (41) upper surface.

4. model car wheel grinding tool according to claim 1, characterized in that further include support shaft (21), support shaft It (21) is optical axis, support shaft (21) first end and swing arm (2) first end are connected.

5. model car wheel grinding tool according to claim 4, characterized in that further include transition body (51), transition body (51) first end is equipped with is connected with the interface at wheel (5) center, and transition body (51) second end is equipped with circular hole, this circular hole is set in The second end of support shaft (21), transition body (51) rotate on support shaft (21), axial direction of the transition body (51) in support shaft (21) There is limit, to resist component when mill (4) grinding.

6. model car wheel grinding tool according to claim 5, characterized in that branch is inserted in grinding component and transition body (51) The direction for supportting axis (21) is consistent, and transition body (51) second end end face is contacted with the side of swing arm (2) realizes axial limiting.

7. model car wheel grinding tool according to claim 1, characterized in that it further include fixed bracket (11), fixed branch Frame (11) and matrix (1) are connected, and fixed bracket (11) are equipped with a through-hole, axis and mill (4) rotation of this through-hole Axis is vertical, and swing arm (2) second end is equipped with a protruding shaft (22), and the axis of protruding shaft (22) is parallel with support shaft (21), this is convex Through-hole in axis (22) and fixed bracket (11) cooperates；

The column part of protruding shaft (22) is slightly larger than the height of fixed bracket (11) through-hole, and the top of protruding shaft (22) column part is equipped with Screw thread, the major diameter of screw thread are less than the outer diameter of cylinder, and fastener (221) bolt enters in the screw thread of protruding shaft (22).

8. model car wheel grinding tool according to claim 1, characterized in that further include fixed bracket (11), swing arm (2) Second end be equipped with a screw thread protruding shaft, fixed bracket (11) are equipped with a threaded hole, the screw thread protruding shaft bolt of swing arm (2) second end In the threaded hole for entering fixed bracket (11), swing arm (2) is that screw thread pair connects with the fixation bracket (11) of matrix (1).

9. model car wheel grinding tool according to claim 1, characterized in that it further include elastic element (24), elasticity member Part (24) first end is connected on swing arm (2), and second end is connected on matrix (1), so that swing arm (2) and matrix (1) have opposite fortune Dynamic trend.

10. model car wheel grinding tool according to claim 1, characterized in that further include limitation swing arm (2) and matrix (1) limiting device of angle is opened and closed between.