CN108381329B - A kind of model car wheel grinding tool - Google Patents
A kind of model car wheel grinding tool Download PDFInfo
- Publication number
- CN108381329B CN108381329B CN201810411765.2A CN201810411765A CN108381329B CN 108381329 B CN108381329 B CN 108381329B CN 201810411765 A CN201810411765 A CN 201810411765A CN 108381329 B CN108381329 B CN 108381329B
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- Prior art keywords
- mill
- slide unit
- wheel
- face
- matrix
- 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.)
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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
- B24B41/06—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
Abstract
The present invention discloses a kind of model car wheel grinding tool, is related specifically to the grinding tire field of model racing car.Including matrix, slide unit, 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；The rotation connection of the first end of wheel and slide unit, slide unit can do with respect to matrix along the straight line being fixed on matrix and only do translational motion, slide unit is with motor car wheel close to or away from the end face of mill, the rotation axis of wheel is vertical with the direction of slide unit translational motion, and the rotation axis of wheel and the end face of mill are parallel；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
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:
There is provided a kind of model car wheel grinding tool, including matrix, slide unit, power device and mill, characterized in that power dress
It sets and is connected with matrix, power device drives mill rotation, and the end face of mill is working face, the axis of the end face of mill and mill rotation
Line is vertical；The rotation connection of the first end of wheel and slide unit, slide unit can be done and only along the straight line being fixed on matrix with respect to matrix
Do translational motion, slide unit is with motor car wheel close to or away from the end face of mill, the rotation axis of wheel and the side of slide unit translational motion
To vertical, the rotation axis of wheel and the end face of mill are parallel；When the contact of the end face of wheel and mill, the rotation axis of wheel
There are gap e, e to be not less than 0 with the rotation axis of mill；There are gap f for the rotation axis of the median plane of wheel and mill, and f is not
Less than 0.
Further, a kind of model car wheel grinding tool, characterized in that power device is by motor and retarder group
At motor is driven by speed setting controller, and the output shaft of motor and the input terminal of retarder connect, the output shaft and mill of retarder
Connection.
Further, a kind of model car wheel grinding tool, characterized in that mill is revolving body, and end face is thereon
The working face for participating in grinding, is plane, and the upper surface of mill and the axis of mill are vertical, mill with power device is coaxial consolidates
Even, mill is made of mill supporter and sand paper, and sand paper can be pasted onto the upper surface of mill supporter.
Further, a kind of model car wheel grinding tool, characterized in that further include support shaft, support shaft is light
Axis, support shaft first end and slide unit first end are connected.
Further, a kind of model car wheel grinding tool, characterized in that further include transition body, transition body first
End is equipped with to be connected with the interface of wheel center, and 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.
Further, a kind of model car wheel grinding tool, characterized in that transition body will have in the axial direction of support shaft
Limit, to resist component when mill grinding.
Further, a kind of model car wheel grinding tool, characterized in that grinding component and transition body are inserted in support
The direction of axis is consistent, and transition body second end end face is contacted with the side of slide unit realizes axial limiting.
Further, a kind of model car wheel grinding tool, characterized in that further include guide rod, the bottom of guide rod with
Matrix is connected, and guide rod is parallel with the axis that mill rotates, and linear slider and slide unit are connected, and linear slider is slided on guide rod, and
Slide unit cannot be rotated around guide rod.
Further, a kind of model car wheel grinding tool, characterized in that further include elastic element, elastic element
First end is connected on slide unit, and second end is connected on matrix, so that slide unit and matrix have the tendency that moving toward one another.
Further, a kind of model car wheel grinding tool, characterized in that further include phase between limitation slide unit and matrix
To the limiting device of position.
A kind of model car wheel grinding tool of the present invention generates grinding component and drive by the rotary motion of mill simultaneously
Dynamic component, it is only necessary to a set of power mechanism, which achieves, rotates and feeds the effect that Liang Tao mechanism generates in traditional technology, relative to
Prior art construction 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).
In the figure, it is marked as
1, matrix；11, fixation hole；111, guide rod；
2, slide unit；21, support shaft；22, linear slider；23, 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 slide unit 2, which rotates, to be connected, and slide unit 2 can be with
Translational motion, the rotation axis of wheel 5 and 2 translational motion of slide unit are done and only done with respect to matrix 1 along the straight line being fixed on matrix 1
Direction it is vertical, the rotation axis of wheel 5 is parallel with the end face of mill 4.As shown in Figure 3, Figure 4, slide unit 2 is done flat with respect to matrix 1
Shifting movement, slide unit 2 to motor car wheel 5 close to or away from the end face of mill 4.As shown in figure 5, working as the end face of wheel 5 and mill 4
When contact, there are gap e, e to be not less than 0 for the rotation axis of the rotation axis of wheel 5 and mill 4；And the median plane of wheel 5 with
There are gap f, f to be not less than 0 for the rotation axis of mill 4.When mill 4 rotates in this way, it can be contacted in 5 outer peripheral surface of wheel with mill 4
Region applies closes along the tangential power F of 4 rotation direction of mill, F credit union be decomposed into along the rotation axis direction of wheel 5 power F2 and
The power F1 in the rotation axis direction of vertical wheel 5.Power F2 is ground mill 4 to wheel 5, and power F1 drives wheel 5 to rotate
(shown in Fig. 4), so that the grinding of 5 even circumferential of wheel.
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 lead
The bottom of bar 111 is connected.
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 slide unit are connected, and this connected mode can be,
2 first end of slide unit 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 slide unit 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 slide unit
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, more specifically, it is preferable that 51 second end end face of transition body is contacted with the side of slide unit 2 realizes axial limiting；It is also possible that
The circular hole of 51 second end of transition body is designed to blind hole, and it is axial that the bottom of this blind hole contacts realization with 21 first end end face of support shaft
Limit.When the direction that grinding component and transition body 51 are inserted in support shaft 21 is inconsistent, the circular hole design of 51 second end of transition body
At through-hole, after being packed into support shaft 21,21 first end of support shaft is leaked out, and be connected positive stop end in the support shaft 21 of leakage, positive stop end
It is contacted with transition body first end end face and realizes axial limiting.The specification and model of wheel 5 are varied, it is only necessary to modification and wheel
5 connected 51 first ends of transition body, grinding tool just adapt to the wheel 5 of different size.
As depicted in figs. 1 and 2, the bottom of guide rod 111 and matrix 1 are connected, and guide rod 111 is parallel with the axis that mill 4 rotates,
Linear slider 22 and slide unit 2 are connected, and linear slider 22 is slided on guide rod 111, and slide unit 2 cannot be rotated around guide rod 111, i.e., sliding
Platform 2 along guide rod 111 in addition to sliding without remaining freedom degree.Further, the scheme that can be used, guide rod 111 are that linear cylindrical is led
Rail, the linear slider 22 cooperated with guide rail 111 are the circular hole on linear roller bearing or sliding bearing or slide unit 2, guide rod 111
It is arranged minimum two sets with corresponding linear slider 22, is parallel to each other between guide rod 111,111 bottom of guide rod is corresponding on matrix 1
Hole is equipped with threaded hole using corresponding hole side on connected or matrix 1 is interference fitted, and enters to be pressed in this hole using bolt bolt and lead
The periphery of bar 111 realizes connected or guide rod 111 bottom to be welded on matrix 111 and is connected.The side that can also be used
Case, without rotational freedom between guide rod 111 and linear slider 22, guide rod 111 and corresponding linear slider 22 be arranged it is a set of,
Such as, guide rod 111 selects the model for having double row ball, just only has one-movement-freedom-degree or guide rod 111 in structure and linear slider is adopted
Cooperated with odd-shaped cross section.
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 slide unit 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 on slide unit 2, second end is connected on matrix 1, so that slide unit 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 Figure 1, elastic element 24 is extension spring, first end is hooked on cunning
In hole on platform 2, second end is hooked in the hole on matrix 1.
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 of relative position between a limitation slide unit 2 and matrix 1
It sets.As shown in Figure 2, Figure 3 and Figure 4, limit device structure is as follows, and slide unit 2 is equipped with perforative threaded hole, and 23 bolt of caging bolt enters cunning
In the threaded hole of platform 2,23 end of caging bolt withstands on matrix 1, the length that caging bolt 23 stretches out slide unit 2 is adjusted, to limit
The relative position of slide unit 2 and matrix 1.Further, it for the length stabilisation for stretching out caging bolt 23, will not easily be shaken
Dynamic variation, can be by the threaded hole of slide unit 2 and 23 slight interference fit of caging bolt, i.e., the threaded hole of limiting bracket 23, which squeezes, be
Slotted hole；Or increase a nut, it is again and tight with this nut immediately after caging bolt 231 is adjusted.
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 (10)
1. a kind of model car wheel grinding tool, including matrix (1), slide unit (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
The end face of disk (4) is vertical with the axis that mill (4) rotates；
The first end of wheel (5) and slide unit (2), which rotates, to be connected, and slide unit (2) can be along the straight line being fixed on matrix (1) with respect to base
Body (1) does and only does translational motion, and the straight line is the direction for guide rod (111) guidance being connected on matrix (1)；
With motor car wheel (5) close to or away from the end face of mill (4), the rotation axis of wheel (5) and slide unit (2) translate slide unit (2)
The direction of movement is vertical, and the rotation axis of wheel (5) is parallel with the end face of mill (4)；
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. a kind of model car wheel grinding tool according to claim 1, characterized in that power device (3) is by motor (31)
It is formed with retarder (32), motor (31) is driven by speed setting controller, the output shaft of motor (31) and the input of retarder (32)
End connection, the output shaft of retarder (32) are connect with mill (4).
3. a kind of model car wheel grinding tool according to claim 1, characterized in that mill (4) is revolving body, the upper end
Face is 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) is coaxial to be connected, and mill (4) is made of mill supporter (41) and sand paper (42), and sand paper (42) can be pasted onto mill
The upper surface of disk supporter (41).
4. a kind of model car wheel grinding tool according to claim 1, characterized in that it further include support shaft (21), support
Axis (21) is optical axis, and support shaft (21) first end and slide unit (2) first end are connected.
5. a kind of 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 to be connected with the interface at wheel (5) center, and transition body (51) second end is equipped with circular hole, this circular hole is arranged
Second end in support shaft (21), transition body (51) rotate on support shaft (21).
6. a kind of model car wheel grinding tool according to claim 5, characterized in that transition body (51) is in support shaft (21)
Axial direction to have limit, with resist mill (4) grinding when component.
7. a kind of model car wheel grinding tool according to claim 6, characterized in that grinding component and transition body (51) cover
The direction for entering support shaft (21) is consistent, and transition body (51) second end end face is contacted with the side of slide unit (2) realizes axial limiting.
8. a kind of model car wheel grinding tool according to claim 1, characterized in that the bottom of guide rod (111) and matrix
(1) it is connected, guide rod (111) is parallel with the axis that mill (4) rotates, and linear slider (22) and slide unit (2) are connected, linear slider
(22) it is slided on guide rod (111), and slide unit (2) cannot be rotated around guide rod (111).
9. a kind of model car wheel grinding tool according to claim 1, characterized in that further include elastic element (24), bullet
Property element (24) first end be connected slide unit (2) on, second end is connected on matrix (1), so that slide unit (2) and matrix (1) have phase
To the trend of movement.
10. a kind of model car wheel grinding tool according to claim 1, characterized in that further include limitation slide unit (2) and base
The limiting device of relative position between body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411765.2A CN108381329B (en) | 2018-05-03 | 2018-05-03 | A kind of model car wheel grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411765.2A CN108381329B (en) | 2018-05-03 | 2018-05-03 | A kind of model car wheel grinding tool |
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| Publication Number | Publication Date |
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| CN108381329A CN108381329A (en) | 2018-08-10 |
| CN108381329B true CN108381329B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810411765.2A Active CN108381329B (en) | 2018-05-03 | 2018-05-03 | A kind of model car wheel grinding tool |
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| CN (1) | CN108381329B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109048574A (en) * | 2018-09-29 | 2018-12-21 | 曹诗晴 | A kind of plank sander |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972367B (en) * | 2014-04-13 | 2017-04-19 | 董玉国 | Tire grinding device |
| CN205870150U (en) * | 2016-08-08 | 2017-01-11 | 四川远星橡胶有限责任公司 | Yarn machine cut -off knife automatic grinding device is cut out to curtain cloth |
| CN106392813A (en) * | 2016-12-02 | 2017-02-15 | 安徽汇泰车轮有限公司 | Adjustable type wheel hub grinding and polishing device |
| CN106584222A (en) * | 2016-12-14 | 2017-04-26 | 安徽德耐孚汽车减震科技技术有限公司 | Tire tread polishing device for automobile tire |
| CN206936999U (en) * | 2017-05-17 | 2018-01-30 | 信丰福昌发电子有限公司 | A kind of simple edging device |
| CN206998609U (en) * | 2017-06-14 | 2018-02-13 | 江西省欣阳汽车零部件制造有限公司 | A kind of automobile hub polishing equipment with dual polishing effect |
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| CN108381329A (en) | 2018-08-10 |
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