CN105952861B - V belt translation grinder bin and method of work - Google Patents
V belt translation grinder bin and method of work Download PDFInfo
- Publication number
- CN105952861B CN105952861B CN201610465353.8A CN201610465353A CN105952861B CN 105952861 B CN105952861 B CN 105952861B CN 201610465353 A CN201610465353 A CN 201610465353A CN 105952861 B CN105952861 B CN 105952861B
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- CN
- China
- Prior art keywords
- belt
- planetary
- wedge
- planet carrier
- casing
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/20—V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of V belt translation grinder bin and method of work, it is characterised in that：Including casing and be located in casing can opposite shell rotate planet carrier, being penetrated from top to bottom on the casing and planet carrier can be relative to the center input shaft that they are rotated, the lower part of the center input shaft drives some groups of planetary belts to rotate by conveyer belt, the planetary belt lower part is connected with abrasive disk, wherein center sprocket wheel of the top of the first planetary belt by chain drive connection between casing and planet carrier, the center sprocket wheel are fixed in casing and hinged planet carrier.V belt translation grinder bin structure of the present invention more simplifies, weight is lighter, cost reduction, convenient operating maintenance.
Description
Technical field
The present invention relates to a kind of V belt translation grinder bin and method of work.
Background technology
The transmission of grinder abrasive disk at present is engaged to realize using multiple gears, so as to not only increase structure design
Complexity, and also increase the weight of body.
The content of the invention
It is an object of the invention to provide a kind of V belt translation grinder bin and method of work, the V belt translation grinder bin structure
Simply, design is reasonable, is conducive to mitigate body weight and reduces cost.
V belt translation grinder bin of the present invention, it is characterised in that：Including casing and be located in casing can be opposite
The planet carrier that shell rotates, penetrate from top to bottom on the casing and planet carrier can the opposite center that they are rotated input
Axis, the lower part of the center input shaft drive some groups of planetary belts to rotate by conveyer belt, the planetary belt lower part connection
There is abrasive disk, wherein the top of the first planetary belt is connected between casing and planet carrier by chain drive
Center sprocket wheel, the center sprocket wheel are fixed in casing and hinged planet carrier.
Further, the central part of above-mentioned center sprocket wheel is by bearing hinge connection center input shaft, the outer ring of center sprocket wheel
Sprocket wheel；The both ends of each planetary belt pass through in bearing hinge connection planet carrier.
Further, above-mentioned center input shaft include set gradually connection axle portion, transition axle portion, first step axle portion,
Driving section, second step axle portion, end axle portion are connected, connection driving section periphery is provided with matched with polywedge bet type conveyer belt
Groove portion.
Further, the gearratio of the driven sprocket on above-mentioned first planetary belt top and center sprocket wheel is 1:3.
Further, above-mentioned polywedge bet type conveyer belt includes band body, is evenly distributed with the working face with body multiple
Triangle wedge, the wedge bottom of the triangle wedge are provided with wedge bottom fillet, and the wedge top of the triangle wedge is provided with wedge tip circle angle, phase
Wedge between adjacent triangle wedge is 1.2-9.1mm away from the wedge groove depth for 1.6-9.4mm, the triangle wedge, the triangle
The wedge angle of the v-groove of wedge is 40 °, and the radius of wedge bottom fillet is 0.15-0.75, and the radius at the wedge tip circle angle is 0.3-0.75,
Coordinate the connection driving section of center input shaft on the working face with body through multiple triangle wedges.
Further, V belt translation grinder bin tensioning apparatus, the planet belt are equipped with the outside of polywedge bet type conveyer belt
Wheel has three groups, and first group of mechanical tensioning component is equipped with wherein between the connection driving section of center input shaft and the first planetary belt
With adjustable tension assembly, second group of mechanical tensioning component is equipped between first planetary belt and the second planetary belt, it is described
Tensioner assembly, first group of mechanical tensioning component, second group of machine are equipped between second planetary belt and third planet belt wheel
The compressing wheel of tool tension assembly and adjustable tension assembly is located at same center.
Further, above-mentioned adjustable tension device includes the fixed seat being fixedly connected with planet carrier, is set in the fixed seat
Be equipped with can in fixed seat slidable adjustment slide, be provided with fixing axle in the middle part of the slide, be equipped with the fixing axle to
The compressing wheel being connected on the outside of transmission belt, the two side ends of the slide are respectively arranged with sliding slot, are equipped with the sliding slot with fixing
The connection bolt that is connected of seat, is provided with fixed block on the outboard end of the fixed seat, use is laterally bolted with the fixed block
In the adjusting bolt that slide is adjusted.
Further, above-mentioned planet carrier includes upper cover and lower cover, and the circumference of the upper cover is provided with venthole, the ventilation
The upper side in hole is provided with ventilation suction and makes an uproar device, and ventilation suction device of making an uproar is circular plate body, the circle made of vulcanizing board
The circumference of shape plate body is provided with for wearing bolt, and the bolt hole being connected with lower cap surface.
The method of work of V belt translation grinder bin of the present invention, it is characterised in that：The V belt translation grinder bin includes cabinet
Shell and be located in casing can the planet carrier that rotates of opposite shell, wear from top to bottom on the casing and planet carrier
Entering to have can be relative to the center input shaft that they are rotated, and the lower part of the center input shaft drives some groups of planet belts by conveyer belt
Wheel rotates, and the planetary belt lower part is connected with abrasive disk, wherein the top of the first planetary belt is connected by chain drive
The center sprocket wheel between casing and planet carrier is connect, the center sprocket wheel is fixed on casing and hinged planet carrier
On；During work, center input shaft rotates under the action of motor, and center input shaft drives each planet by the conveyer belt of its underpart
Belt wheel rotation, wherein the rotation of the first planetary belt, by the chain drive of its upper part, forces and drive planet carrier to rotate.
Further, V belt translation grinder bin tensioning apparatus is equipped with the outside of conveyer belt, the planetary belt has three
First group of mechanical tensioning component and adjustable are equipped between the connection driving section of group, wherein center input shaft and the first planetary belt
Tight component, is equipped with second group of mechanical tensioning component, second planet between first planetary belt and the second planetary belt
Tensioner assembly, first group of mechanical tensioning component, second group of mechanical tensioning group are equipped between belt wheel and third planet belt wheel
The compressing wheel of part and adjustable tension assembly is located at same center, during work, first group of mechanical tensioning component, second group of mechanical tensioning
The compressing wheel position of component do not move, and adjustable tension assembly, which adjusts, compresses gap, and tensioner assembly keeps pressure all the time
Power.
V belt translation grinder bin structure of the present invention more simplifies, weight is lighter, cost reduction, convenient operating maintenance.
Brief description of the drawings：
Fig. 1 is the profile of the present invention；
Fig. 2 is the connecting structure schematic diagram of conveyer belt；
Fig. 3 is the top view of planet carrier；
Fig. 4 is the profile of adjustable tension assembly；
Fig. 5 is the profile of circular plate body；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the profile of center input shaft；
Fig. 8 is the profile of polywedge bet type conveyer belt.
Embodiment
V belt translation grinder bin of the present invention, including casing 1 and be located in casing 1 can opposite shell rotate
Planet carrier 2, penetrating from top to bottom on the casing 1 and planet carrier 2 can be relative to the center input shaft 3 that they are rotated, institute
The lower part for stating center input shaft 3 drives some groups of planetary belts 5 to rotate by conveyer belt 4, and 5 lower part of planetary belt is connected with
Abrasive disk 6, wherein the top of the first planetary belt 501 is located at casing 1 and planet carrier 2 by the connection of chain drive 7
Between center sprocket wheel 8, the center sprocket wheel 8 is fixed in casing 1 and hinged planet carrier 2.
Further, in order to design rationally, the central part of above-mentioned center sprocket wheel 8 by bearing hinge connection center input shaft 3, in
The outer ring of heart sprocket wheel 8 is sprocket wheel；The both ends of each planetary belt 5 pass through in bearing hinge connection planet carrier 2.
Further, in order to design rationally, above-mentioned center input shaft 3 includes connection axle portion 301, the transition axis set gradually
Portion 302, first step axle portion 303, connection driving section 304, second step axle portion 305, end axle portion 306, connect driving section 304
Periphery is provided with and 4 matched groove portion 11 of polywedge bet type conveyer belt.
To strengthen stability, the connection axle portion 301 is identical with the diameter of axle of second step axle portion 305, the connection axle portion
301st, transition axle portion 302, first step axle portion 303, the diameter of axle of connection driving section 304 are sequentially increased, the diameter of axle of end axle portion 306
Less than the diameter of axle of second step axle portion 305.
In the present embodiment, the connection left end of axle portion, the left end of first step axle portion, the right end of second step axle portion
And the right end of end axle portion is both provided with chamfering.
Drive connection groove portion 11 is fully in contact with triangle wedge, and frictional force is big, more preferable compared to V-type V belt translation effect, wheel
Shaft body rotation is more steady, while make it that drive mechanism is compacter, occupies little space.
Further, in order to design rationally, driven sprocket 10 and the center sprocket wheel 8 on above-mentioned first planetary belt, 501 top
Gearratio be 1:3.Ribbed V-belt drives pattern belt intensity is good, is combined by multiple wedge groove face zone faces, increases frictional force；Effectively
Improve transmission effect；3 mills and babinet 1:3 autobiographies combine, and effectively improve work efficiency；And make the uniform of lapped face
Further, in order to design rationally, above-mentioned polywedge bet type conveyer belt 4 includes band body, on the working face with body
Multiple triangle wedges 401 are evenly distributed with, the wedge bottom of the triangle wedge is provided with wedge bottom fillet, the wedge top of the triangle wedge
It is provided with wedge tip circle angle, the wedge between adjacent triangle wedge is 1.2- away from the wedge groove depth for 1.6-9.4mm, the triangle wedge
9.1mm, the wedge angle of the v-groove of the triangle wedge are 40 °, and the radius of wedge bottom fillet is 0.15-0.75, the wedge tip circle angle
Radius be 0.3-0.75, coordinate the connection driving section of center input shaft on the working face with body through multiple triangle wedges.
Further, in order to design rationally, V belt translation grinder bin tensioning dress is equipped with the outside of polywedge bet type conveyer belt
9 are put, the planetary belt has three groups, is wherein set between 304 and first planetary belt 501 of connection driving section of center input shaft
Have first group of mechanical tensioning component 12 and an adjustable tension assembly 13,501 and second planetary belt 502 of the first planetary belt it
Between be equipped with second group of mechanical tensioning component 14, be equipped with stretcher between second planetary belt 502 and third planet belt wheel 503
Component 15, the compressing wheel of described first group of mechanical tensioning component, 12, second groups of mechanical tensioning components 14 and adjustable tension assembly 13
16 are located at same center.
Further, in order to design rationally, above-mentioned adjustable tension device 15 includes the fixed seat being fixedly connected with planet carrier
17, be provided with the fixed seat 17 can in fixed seat slidable adjustment slide 18, the middle part of slide 18 is provided with fixation
Axis 19, is equipped with the compressing wheel 16 being connected on the outside of transmission belt in the fixing axle 19, the two side ends of the slide 18 are set respectively
Sliding slot is equipped with, the connection bolt being connected with fixed seat is equipped with the sliding slot, is provided with the outboard end of the fixed seat
Fixed block 21, the adjusting bolt 22 adjusted for slide is laterally bolted with the fixed block.
The V belt translation grinder bin tensioning apparatus, is not only simple in structure compact, and is conveniently used in V belt translation grinder
The tensioning of transmission belt；It is convenient and practical meanwhile tension effects are good.
In the present embodiment, the tension side of the stretcher is connected on the lateral surface of transmission belt, to oppress transmission belt.Institute
State the connecting line and 3 axis of third planet belt wheel 503 and center input shaft of the first planetary belt 501 and 3 axis of center input shaft
Connecting line between angle be 25 °.
Further, in order to design rationally, above-mentioned planet carrier 2 includes upper cover 201 and lower cover 202, the week of the upper cover 201
Portion is provided with venthole 203, and the upper side of the venthole 203 is provided with ventilation suction and makes an uproar device, and ventilation suction device of making an uproar is
The circular plate body 23 made of vulcanizing board, the circumference of the circle plate body are provided with for wearing bolt, and with lower cap surface phase
The bolt hole of connection.Vulcanizing board is breathed freely vulcanizing board for high-density high-strength.
The method of work of V belt translation grinder bin of the present invention, the V belt translation grinder bin include casing and are located at machine
In case shell can the planet carrier that rotates of opposite shell, having penetrated from top to bottom on the casing and planet carrier can be with respect to it
The center input shaft that rotates, the lower part of the center input shaft drives some groups of planetary belts to rotate by conveyer belt, described
Planetary belt lower part is connected with abrasive disk, wherein the top of the first planetary belt is located at outside cabinet by chain drive connection
Center sprocket wheel between shell and planet carrier, the center sprocket wheel are fixed in casing and hinged planet carrier；During work, in
Heart input shaft rotates under the action of motor, and center input shaft drives each planetary belt rotation by the conveyer belt of its underpart, its
In the first planetary belt rotation, by the chain drive of its upper part, force and drive planet carrier to rotate.
Further, in order to design rationally, V belt translation grinder bin tensioning apparatus, the row are equipped with the outside of conveyer belt
Star braid wheel has three groups, and first group of mechanical tensioning is equipped with wherein between the connection driving section of center input shaft and the first planetary belt
Component and adjustable tension assembly, are equipped with second group of mechanical tensioning component between first planetary belt and the second planetary belt,
Tensioner assembly, first group of mechanical tensioning component, second are equipped between second planetary belt and third planet belt wheel
The compressing wheel of group mechanical tensioning component and adjustable tension assembly is located at same center, during work, first group of mechanical tensioning component, the
The compressing wheel position of two groups of mechanical tensioning components is not moved, and adjustable tension assembly, which adjusts, compresses gap, and tensioner assembly comes
Keep pressure all the time.
V belt translation grinder bin structure of the present invention more simplifies, weight is lighter, cost reduction, convenient operating maintenance.
Claims (8)
- A kind of 1. V belt translation grinder bin, it is characterised in that：Including casing and be located in casing can opposite shell The planet carrier of rotation, penetrate from top to bottom on the casing and planet carrier can relative to the center input shaft that they are rotated, The lower part of the center input shaft drives some groups of planetary belts to rotate by conveyer belt, and the planetary belt lower part, which is connected with, grinds Mill, wherein the top of the first planetary belt connects the center between casing and planet carrier by chain drive Sprocket wheel, the center sprocket wheel are fixed in casing and hinged planet carrier；The center input shaft includes what is set gradually Axle portion, transition axle portion, first step axle portion, connection driving section, second step axle portion, end axle portion are connected, is connected outside driving section It is provided with week and the matched groove portion of polywedge bet type conveyer belt；V belt translation grinder bin is equipped with the outside of polywedge bet type conveyer belt Tensioning apparatus, the planetary belt have three groups, are wherein set between the connection driving section of center input shaft and the first planetary belt There are first group of mechanical tensioning component and adjustable tension assembly, second is equipped between first planetary belt and the second planetary belt Group mechanical tensioning component, is equipped with tensioner assembly, first group of machine between second planetary belt and third planet belt wheel The compressing wheel of tool tension assembly, second group of mechanical tensioning component and adjustable tension assembly is located at same center.
- 2. V belt translation grinder bin according to claim 1, it is characterised in that：The central part of the center sprocket wheel passes through axis Hinged center input shaft is held, the outer ring of center sprocket wheel is sprocket wheel；The both ends of each planetary belt are by bearing hinge connection in planet On frame.
- 3. according to the V belt translation grinder bin described in claim 1, it is characterised in that：The driven chain on the first planetary belt top The gearratio of wheel and center sprocket wheel is 1:3.
- 4. according to the V belt translation grinder bin described in claim 1, it is characterised in that：The polywedge bet type conveyer belt includes band body, Multiple triangle wedges are evenly distributed with the working face with body, the wedge bottom of the triangle wedge is provided with wedge bottom fillet, institute The wedge top for stating triangle wedge is provided with wedge tip circle angle, and the wedge between adjacent triangle wedge is away from for 1.6-9.4mm, the triangle wedge Wedge groove depth be 1.2-9.1mm, the wedge angle of the v-groove of the triangle wedge is 40 °, and the radius of wedge bottom fillet is 0.15- 0.75 mm, the radius at the wedge tip circle angle is 0.3-0.75 mm, is coordinated on the working face with body through multiple triangle wedges The connection driving section of center input shaft.
- 5. V belt translation grinder bin according to claim 1, it is characterised in that：Adjustable tension device includes consolidating with planet carrier Surely the fixed seat connected, be provided with the fixed seat can in fixed seat slidable adjustment slide, set in the middle part of the slide There is fixing axle, the compressing wheel being connected on the outside of transmission belt is equipped with the fixing axle, the two side ends of the slide are set respectively There is sliding slot, the connection bolt being connected with fixed seat is equipped with the sliding slot, be provided with the outboard end of the fixed seat solid Determine block, the adjusting bolt adjusted for slide is laterally bolted with the fixed block.
- 6. V belt translation grinder bin according to claim 1, it is characterised in that：The planet carrier includes upper cover and lower cover, The circumference of the upper cover is provided with venthole, and the upper side of the venthole is provided with ventilation suction and makes an uproar device, and the ventilation suction is made an uproar Device is the circular plate body made of vulcanizing board, and the circumference of the circle plate body is provided with for wearing bolt, and with lower cover table The bolt hole that face is connected.
- A kind of 7. method of work of V belt translation grinder bin, it is characterised in that：The V belt translation grinder bin includes casing Be located in casing can the planet carrier that rotates of opposite shell, penetrated from top to bottom on the casing and planet carrier By conveyer belt some groups of planet belts can be driven to rotate relative to the center input shaft that they are rotated, the lower part of the center input shaft Dynamic, the planetary belt lower part is connected with abrasive disk, wherein the top of the first planetary belt passes through chain drive connection position Center sprocket wheel between casing and planet carrier, the center sprocket wheel are fixed in casing and hinged planet carrier； During work, center input shaft rotates under the action of motor, and center input shaft drives each planet belt by the conveyer belt of its underpart Rotation is taken turns, wherein the rotation of the first planetary belt, by the chain drive of its upper part, forces and drive planet carrier to rotate.
- 8. the method for work of V belt translation grinder bin according to claim 7, it is characterised in that：Set on the outside of conveyer belt There is a V belt translation grinder bin tensioning apparatus, the planetary belt has three groups, wherein the connection driving section of center input shaft and the First group of mechanical tensioning component and adjustable tension assembly, first planetary belt and the second planet are equipped between one planetary belt Second group of mechanical tensioning component is equipped between belt wheel, stretcher group is equipped between second planetary belt and third planet belt wheel Part, the compressing wheel of first group of mechanical tensioning component, second group of mechanical tensioning component and adjustable tension assembly is in same The heart, during work, first group of mechanical tensioning component, the compressing wheel position of second group of mechanical tensioning component are not moved, adjustable tensioning group Part, which adjusts, compresses gap, and tensioner assembly keeps pressure all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465353.8A CN105952861B (en) | 2016-06-24 | 2016-06-24 | V belt translation grinder bin and method of work |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465353.8A CN105952861B (en) | 2016-06-24 | 2016-06-24 | V belt translation grinder bin and method of work |
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| CN105952861A CN105952861A (en) | 2016-09-21 |
| CN105952861B true CN105952861B (en) | 2018-04-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107139051A (en) * | 2017-06-09 | 2017-09-08 | 赵咪咪 | A kind of timber processing sanding apparatus |
| CN108145566A (en) * | 2017-12-07 | 2018-06-12 | 丁年生 | A kind of grinding device and its application method for computer cabinet casing processing mold |
| CN108161657B (en) * | 2017-12-28 | 2019-10-15 | 深圳磨霸智能科技有限公司 | One kind being used for metal and nonmetallic 3D polishing and burnishing machine |
| CN111546160A (en) * | 2020-06-15 | 2020-08-18 | 林鑫森 | Ground leveling grinding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE501448C2 (en) * | 1992-10-22 | 1995-02-20 | Haakan Thysell | Device for a mobile grinding machine for grinding stone floors |
| AUPP449998A0 (en) * | 1998-07-06 | 1998-07-30 | Van Der Veen, Timothy Roelf | A mobile surfacing machine |
| CN201109056Y (en) * | 2007-12-05 | 2008-09-03 | 吴瑞华 | Low-power stone surface renewing machine having slowdown function |
| CN101890667B (en) * | 2009-05-22 | 2014-03-19 | 蔡墩军 | Four-head planet dual-operation grinding machine |
| CN205780683U (en) * | 2016-06-24 | 2016-12-07 | 南安市铂克装饰工程有限公司 | V belt translation grinder bin |
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