CN103894908B - The rotating mechanism of frame in a kind of belt grinder - Google Patents

The rotating mechanism of frame in a kind of belt grinder Download PDF

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Publication number
CN103894908B
CN103894908B CN201410154001.1A CN201410154001A CN103894908B CN 103894908 B CN103894908 B CN 103894908B CN 201410154001 A CN201410154001 A CN 201410154001A CN 103894908 B CN103894908 B CN 103894908B
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China
Prior art keywords
frame
travelling gear
base
rotating
fixed
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CN201410154001.1A
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CN103894908A (en
Inventor
陈启岳
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Wuhu Hui Ying automation equipment Co., Ltd.
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TAIZHOU LIANBANG ROBOT TECHNOLOGY Co Ltd
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Priority to CN201410154001.1A priority Critical patent/CN103894908B/en
Publication of CN103894908A publication Critical patent/CN103894908A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18Accessories

Abstract

The invention provides the rotating mechanism of frame in a kind of belt grinder, belong to field of mechanical technique.It solve the problem that position, abrasive band in existing belt grinder cannot regulate, surface of the work polishing is uneven.The rotating mechanism of frame in this belt grinder, belt grinder includes a base and is connected on base and can relative to the frame of base rotation, this rotating mechanism is arranged between frame and base, this rotating mechanism includes the rotary electric machine being fixed in frame and the travelling gear two being fixed on base, the center of circle of travelling gear two and the center of rotation of frame are on same straight line, the output shaft of rotary electric machine is passed down through bottom frame and is fixed with travelling gear one in the end of the output shaft of rotary electric machine, and travelling gear one is meshed with travelling gear two.It has, and gantry rotation is accurate, position, abrasive band is adjustable, polishing precision advantages of higher.

Description

The rotating mechanism of frame in a kind of belt grinder
Technical field
The invention belongs to field of mechanical technique, relate to a kind of belt sanding buffing machine, particularly relate to the rotating mechanism of frame in a kind of belt sanding buffing machine.
Background technology
Belt grinder is one very conventional in polisher, is specific to the surface of the metallic article such as steel, aluminum bronze and tubing carries out the conventional machinery process equipment of grinding process, all applied widely at numerous areas.Belt grinder is to utilize motor to drive drivewheel to rotate to make abrasive band produce operating at a high speed, and surface of the work can be carried out cutting polishing by the sand grains on surface, abrasive band, all higher by the quality of the surface of the work after belt sanding and precision.
The frame of existing belt grinder is all fixed, its position except can rotating, abrasive band in frame is also fixed, therefore it is accomplished by one mechanical hand of configuration for coordinating with belt grinder, utilizes manipulator clamping workpiece to contact with surface, abrasive band and polish.In bruting process, mechanical hand needs constantly rotational workpieces or converts the relative angle on all the other surfaces, abrasive band, thus ensureing can being farthest polished to everywhere of surface of the work.
But, the swing of each axle of mechanical hand and angular transformation be all have a range of, when after the scope that the position in the relative abrasive band of the non-burnishing part of surface of the work can compensate beyond mechanical hand, even if also cannot ensure that surface of the work is intactly polished to everywhere by the conversion of mechanical hand, thus causing that surface of the work polishing precision everywhere has no idea to keep unified, surface polishing everywhere can not keep uniform.
Summary of the invention
It is an object of the invention to the problems referred to above existed for prior art, it is proposed that a kind of can adjust position, abrasive band when polishing, ensure the rotating mechanism of frame in the belt grinder of surface of the work grinding homogeneity everywhere.
The purpose of the present invention can be realized by following technical proposal:
The rotating mechanism of frame in a kind of belt grinder, belt grinder includes a base and is connected on base and can relative to the frame of base rotation, this rotating mechanism is arranged between frame and base, it is characterized in that, this rotating mechanism includes the rotary electric machine being fixed in frame and the travelling gear two being fixed on base, the described center of circle of travelling gear two and the center of rotation of frame are on same straight line, the output shaft of described rotary electric machine is passed down through bottom frame and is fixed with travelling gear one in the end of the output shaft of rotary electric machine, described travelling gear one is meshed with travelling gear two.
Manipulator clamping workpiece contacts with the abrasive band run up and polishes, when needs frame turns over certain angle and conveniently polishes, have only to control rotary electric machine work, the output shaft of rotary electric machine drives the travelling gear one being fixedly connected with it together to rotate, travelling gear one is meshed with travelling gear two and travelling gear two is fixed on again on base, therefore travelling gear rotates around travelling gear two for a moment, so that frame is relative to base rotation.Owing to adopting rotary electric machine to drive gantry rotation, rotary electric machine can be accomplished namely to rise and namely stop, therefore after rotary electric machine controls the frame position relative to base rotation to setting, rotary electric machine quits work, frame just stops operating, then control keeper according to setting frame location, make gantry rotation be no longer able to turn to setting position.By the startup of rotary electric machine and stopping, it is ensured that frame can turn to desired position exactly, it is ensured that stability during polishing.
It addition, although this rotating mechanism is to be fixed in frame by rotary electric machine, travelling gear two is fixed on base, but is arranged on base by rotary electric machine, is arranged at by travelling gear one bottom frame and also can realize gantry rotation.
In above-mentioned belt grinder in the rotating mechanism of frame, described travelling gear two is external gear, and the tooth root diameter of a circle of described travelling gear two is more than the tooth root diameter of a circle of travelling gear one, and the number of teeth of travelling gear two is more than the number of teeth of travelling gear one.
The root diameter of travelling gear two is more than the root diameter of travelling gear one, and the number of teeth of travelling gear two is more than the number of teeth of travelling gear one, so when travelling gear one rotates some circles, travelling gear one walks around certain angle only about travelling gear two, so can improve the degree of accuracy of gantry rotation, it is possible to make frame turn to setting position more exactly.
In above-mentioned belt grinder in the rotating mechanism of frame, as another kind of situation, described travelling gear two is internal gear, it is additionally provided with some idler gears between described travelling gear one and travelling gear two, the root diameter of described idler gear is more than the root diameter of travelling gear one, and the number of teeth of travelling gear one, idler gear and travelling gear two increases successively.Travelling gear one, idler gear and travelling gear two form the planetary kind of drive, can improve the degree of accuracy of gantry rotation equally.
In above-mentioned belt grinder in the rotating mechanism of frame, it is fixed with installing plate bottom described frame, it is provided with rotating shaft between described installing plate and base, described rotating shaft is concentric with travelling gear two, described rotary electric machine is fixed on installing plate, described base has the installation portion of plate-like, the bottom of described installing plate has annular positioning groove one, the surface of described installation portion has annular positioning groove two, is embedded with plane bearing between described annular positioning groove one and annular positioning groove two.Plane bearing is set between frame and base, it is possible to make frame more smooth and easy relative to the rotation of base, steady.
In above-mentioned belt grinder in the rotating mechanism of frame, between described frame and base, it is additionally provided with the keeper can being located after frame is relative to base rotation.
Rotary electric machine drives gantry rotation to desired position, in order to prevent workpiece from making frame produce vibrations when contacting polish with abrasive band, rotation occurring, being fixed hence with keeper, thus improve the polishing precision of workpiece after frame stops operating.
In above-mentioned belt grinder in the rotating mechanism of frame, described keeper includes the positioning cylinder being fixed on installing plate, being evenly equipped with some with rotating shaft for the center of circle and the hole, location that is positioned on same circumference on described travelling gear two, the piston rod of described positioning cylinder can pass installing plate and insert in hole, location.
When after rotary electric machine drive gantry rotation to setting position, rotary electric machine quits work, frame just stops operating, collided in order to avoid frame and rotation is occurred, when frame stops operating, control positioning cylinder work so that the piston rod of positioning cylinder is released downwards and is inserted in hole, location corresponding with current piston rod position on travelling gear two, so that frame and base fix.
In above-mentioned belt grinder in the rotating mechanism of frame, the end of the piston rod of described positioning cylinder is tapered, and the shape in described hole, location is identical with the end shape of the piston rod of positioning cylinder.
The piston rod end of positioning cylinder is arranged to taper, and makes its location hole identical with its shape match, it is possible to improve the locating effect between frame and base.
In above-mentioned belt grinder in the rotating mechanism of frame, described keeper includes the driving cylinder being fixed on frame underside portion, the end of the described piston rod driving cylinder connects alignment pin, on described installing plate, distribution has some with rotating shaft for the center of circle the connecting hole one that is positioned on same circumference, on described travelling gear two, corresponding distribution has connecting hole two, and described alignment pin can pass connecting hole under the driving driving cylinder and penetrate in the lump in connecting hole two.
In above-mentioned belt grinder in the rotating mechanism of frame, the end of described alignment pin is tapered, and the shape of described connecting hole two is identical with the shape of alignment pin end.
Compared with prior art, in this belt grinder, the rotating mechanism of frame has the advantage that
1, in this belt grinder, the rotating mechanism of frame utilizes the cooperation of rotary electric machine, driving cog one and travelling gear two to realize the rotation of frame, can accurately control the rotational angle of frame, ensure that frame accurate rotational is to set angle, so that grinding workpieces is more uniform, polishing precision is higher;
2, in this belt grinder, in the rotating mechanism of frame, the number of teeth of travelling gear two, more than the number of teeth of travelling gear one, improves the degree of accuracy to gantry rotation Angle ambiguity by increasing the number of teeth of travelling gear two, ensure that the accuracy of gantry rotation further;
3, in this belt grinder, the rotating mechanism of frame utilizes keeper motionless to being fixed after gantry rotation, it is ensured that in bruting process, frame will not be affected by collision and rotate, and improves stability during polishing, also ensure that polishing precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotating mechanism of frame in this belt grinder.
Schematic diagram when Fig. 2 is that in this belt grinder, in the rotating mechanism of frame, frame separates with base.
Fig. 3 is the enlarged drawing at A-A place in Fig. 2.
Fig. 4 is the top view of base in the rotating mechanism of frame in this belt grinder.
Fig. 5 is the upward view of frame in the rotating mechanism of frame in this belt grinder.
In figure, 1, frame;2, base;3, rotary electric machine;4, travelling gear one;5, travelling gear two;6, installing plate;7, rotating shaft;8, installation portion;9, annular positioning groove one;10, annular positioning groove two;11, plane bearing;12, positioning cylinder;13, piston rod;14, hole, location.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
Embodiment one
As Figure 1-Figure 5, the rotating mechanism of frame in a kind of belt grinder, belt grinder includes a base 2 and the frame 1 being connected on base 2, installing plate 6 it is fixed with bottom frame 1, being provided with rotating shaft 7 between installing plate 6 and base 2, base 2 has the installation portion 8 of plate-like, the bottom of installing plate 6 has annular positioning groove 1, the surface of installation portion 8 has annular positioning groove 2 10, is embedded with plane bearing 11 between annular positioning groove 1 and annular positioning groove 2 10.
As Figure 2-Figure 5, this rotating mechanism is arranged between frame 1 and base 2, this rotating mechanism includes the rotary electric machine 3 being fixed on installing plate 6, the output shaft of rotary electric machine 3 is passed down through installing plate 6 and between frame 1 and base 2, and the end of the output shaft of rotary electric machine 3 is fixed with travelling gear 1.Base 2 is fixed with travelling gear 25, rotating shaft 7 is concentric with travelling gear 25, travelling gear 25 is for external gear and is meshed with travelling gear 1, the root diameter of travelling gear 25 is more than the root diameter of travelling gear 1, and the number of teeth of travelling gear 25 is more than the number of teeth of travelling gear 1.
As shown in Figure 1-Figure 3, it is additionally provided with keeper between frame 1 and base 2, this keeper includes the positioning cylinder 12 being fixed on installing plate 6, travelling gear 25 is evenly equipped with some with rotating shaft 7 for the center of circle and the hole, location 14 that is positioned on same circumference, the end of the piston rod 13 of positioning cylinder 12 is tapered, the shape in hole 14, location is identical with the shape of piston rod 13 end of positioning cylinder 12, when needs position, the end of the piston rod 13 of positioning cylinder 12 can be passed down through installing plate 6 and be inserted in the hole, location 14 relative with its position.
Drivewheel in frame 1 drives abrasive band to rotate, the workpiece to be polished with the manipulator clamping that belt grinder coordinates contacts with the surface, abrasive band of rotation and polishes, when the position in the relative abrasive band of manipulator clamping workpiece is unfavorable for the polishing in surface of the work somewhere, and mechanical hand by deformation can not realize time, it is necessary to frame 1 rotates.
First the process controlling frame 1 rotation is such that, control rotary electric machine 3 to start working, the output shaft rotation of rotary electric machine 3 drive are fixed on the travelling gear 1 of its end and together rotate, it is meshed with travelling gear 25 due to travelling gear 1 and travelling gear 25 is fixed on again on base 2, therefore when the output shaft rotation of rotary electric machine 3, travelling gear 1 can rotate around travelling gear 25, so that frame 1 rotates relative to base 2, rotary electric machine 3 makes frame 1 stop after turning to setting position according to setting.Then the vibrations in order to produce when preventing workpiece to be resisted against abrasive band make frame 1 that rotation to occur, therefore when rotary electric machine 3 makes frame 1 quit work after turning to setting position, the piston rod 13 of positioning cylinder 12 can be released downwards, and in the hole, location 14 that to be inserted on travelling gear 25 relative with piston rod 13 position of current positioning cylinder 12.Interconnection function by the piston rod 13 of positioning cylinder 12 so that frame 1 is fixed with each other with base 2, thus ensureing that frame 1, when polishing, rotation will not occur.
When needing the angle readjusting frame 1, when the piston rod 13 of control positioning cylinder 12 exits in hole 14, location, frame 1 can rotate relative to base 2 again again, now only need to repeat above-mentioned rotation process.
In this belt grinder, the rotating mechanism of frame passes through rotary electric machine 3, the cooperation of travelling gear 1 and travelling gear 25, realize the frame 1 rotation relative to base 2, namely stop owing to namely rotary electric machine 3 rises, therefore rotary electric machine 3 is adopted to drive frame 1 to rotate the purpose that can reach accurately to control frame 1 rotational angle, and owing to the root diameter of travelling gear 25 is more than the number of teeth more than travelling gear 1 of the root diameter of travelling gear 1 and the number of teeth of travelling gear 25, so when travelling gear 1 turns over some circles, relative that it turns over certain angle relative to travelling gear 25, therefore can ensure that the rotation of frame 1 can be more accurate well.It addition, utilize the piston rod 13 of positioning cylinder 12 frame 1 and base 2 to be fixed after frame 1 goes to setting position, ensure that again stability during polishing.
Embodiment two
The present embodiment is essentially identical with structure and the principle of embodiment one, it is different in that: the travelling gear 25 in the present embodiment is internal gear, being additionally provided with some idler gears between travelling gear 1 and travelling gear 25, the number of teeth of travelling gear 1, idler gear and travelling gear 25 increases successively.In the present embodiment, travelling gear 1, idler gear and travelling gear 25 form planetary form, travelling gear 1 rotates and drives idler gear to rotate, travelling gear 25 is fixed on base 2, therefore idler gear can rotate around travelling gear 25, so that travelling gear 1 also rotates around travelling gear 25, frame 1 just can rotate relative to base 2.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.

Claims (10)

  1. null1. the rotating mechanism of frame in a belt grinder,Belt grinder includes a base (2) and is connected to the frame (1) that base (2) is upper and can rotate relative to base (2),This rotating mechanism is arranged between frame (1) and base (2),It is characterized in that,This rotating mechanism includes the rotary electric machine (3) being fixed in frame (1) and the travelling gear two (5) being fixed on base (2),The center of circle of described travelling gear two (5) and the center of rotation of frame (1) are on same straight line,The output shaft of described rotary electric machine (3) is passed down through frame (1) bottom and is fixed with travelling gear one (4) in the end of the output shaft of rotary electric machine (3),Described travelling gear one (4) is meshed with travelling gear two (5),Frame (1) bottom is fixed with installing plate (6),Rotating shaft (7) it is provided with between installing plate (6) and base (2),The keeper when frame (1) can be located after rotating it is provided with relative to base (2) between described frame (1) and base (2),Described keeper includes the positioning cylinder (12) being fixed on installing plate (6),Described travelling gear two (5) is evenly equipped with some with rotating shaft (7) for the center of circle and the hole, location (14) that is positioned on same circumference,The piston rod (13) of described positioning cylinder (12) can pass installing plate (6) and insert in hole, location (14).
  2. 2. the rotating mechanism of frame in belt grinder according to claim 1, it is characterized in that, described travelling gear two (5) is external gear, the tooth root diameter of a circle of described travelling gear two (5) is more than the tooth root diameter of a circle of travelling gear one (4), and the number of teeth of travelling gear two (5) is more than the number of teeth of travelling gear one (4).
  3. 3. the rotating mechanism of frame in belt grinder according to claim 1, it is characterized in that, described travelling gear two (5) is internal gear, it is additionally provided with some idler gears between described travelling gear one (4) and travelling gear two (5), the root diameter of described idler gear is more than the root diameter of travelling gear one (4), and the number of teeth of travelling gear one (4), idler gear and travelling gear two (5) increases successively.
  4. 4. the rotating mechanism of frame in the belt grinder according to claim 1 or 2 or 3, it is characterized in that, described frame (1) bottom is fixed with installing plate (6), it is provided with rotating shaft (7) between described installing plate (6) and base (2), described rotating shaft (7) is concentric with travelling gear two (5), described rotary electric machine (3) is fixed on installing plate (6), described base (2) has the installation portion (8) of plate-like, the bottom of described installing plate (6) has annular positioning groove one (9), the surface of described installation portion (8) has annular positioning groove two (10), it is embedded with plane bearing (11) between described annular positioning groove one (9) and annular positioning groove two (10).
  5. 5. the rotating mechanism of frame in belt grinder according to claim 1, it is characterized in that, the end of the piston rod (13) of described positioning cylinder (12) is tapered, and the shape in described hole, location (14) is identical with the end shape of the piston rod of positioning cylinder (12) (13).
  6. null6. the rotating mechanism of frame in a belt grinder,Belt grinder includes a base (2) and is connected to the frame (1) that base (2) is upper and can rotate relative to base (2),This rotating mechanism is arranged between frame (1) and base (2),It is characterized in that,This rotating mechanism includes the rotary electric machine (3) being fixed in frame (1) and the travelling gear two (5) being fixed on base (2),The center of circle of described travelling gear two (5) and the center of rotation of frame (1) are on same straight line,The output shaft of described rotary electric machine (3) is passed down through frame (1) bottom and is fixed with travelling gear one (4) in the end of the output shaft of rotary electric machine (3),Described travelling gear one (4) is meshed with travelling gear two (5),Frame (1) bottom is fixed with installing plate (6),Rotating shaft (7) it is provided with between installing plate (6) and base (2),The keeper when frame (1) can be located after rotating it is provided with relative to base (2) between described frame (1) and base (2),Described keeper includes the driving cylinder being fixed on frame (1) following side,The end of the described piston rod driving cylinder connects alignment pin,The upper distribution of described installing plate (6) has some with rotating shaft (7) for the center of circle the connecting hole one that is positioned on same circumference,The upper correspondence distribution of described travelling gear two (5) has connecting hole two,Described alignment pin can pass connecting hole under the driving driving cylinder and penetrate in the lump in connecting hole two.
  7. 7. the rotating mechanism of frame in belt grinder according to claim 6, it is characterized in that, described travelling gear two (5) is external gear, the tooth root diameter of a circle of described travelling gear two (5) is more than the tooth root diameter of a circle of travelling gear one (4), and the number of teeth of travelling gear two (5) is more than the number of teeth of travelling gear one (4).
  8. 8. the rotating mechanism of frame in belt grinder according to claim 6, it is characterized in that, described travelling gear two (5) is internal gear, it is additionally provided with some idler gears between described travelling gear one (4) and travelling gear two (5), the root diameter of described idler gear is more than the root diameter of travelling gear one (4), and the number of teeth of travelling gear one (4), idler gear and travelling gear two (5) increases successively.
  9. 9. the rotating mechanism of frame in the belt grinder according to claim 6 or 7 or 8, it is characterized in that, described frame (1) bottom is fixed with installing plate (6), it is provided with rotating shaft (7) between described installing plate (6) and base (2), described rotating shaft (7) is concentric with travelling gear two (5), described rotary electric machine (3) is fixed on installing plate (6), described base (2) has the installation portion (8) of plate-like, the bottom of described installing plate (6) has annular positioning groove one (9), the surface of described installation portion (8) has annular positioning groove two (10), it is embedded with plane bearing (11) between described annular positioning groove one (9) and annular positioning groove two (10).
  10. 10. the rotating mechanism of frame in belt grinder according to claim 6, it is characterised in that the end of described alignment pin is tapered, and the shape of described connecting hole two is identical with the shape of alignment pin end.
CN201410154001.1A 2014-04-17 2014-04-17 The rotating mechanism of frame in a kind of belt grinder Active CN103894908B (en)

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CN201410154001.1A CN103894908B (en) 2014-04-17 2014-04-17 The rotating mechanism of frame in a kind of belt grinder

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Application Number Priority Date Filing Date Title
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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105751038B (en) * 2016-03-31 2019-02-05 河北银箭体育用品股份有限公司 A kind of javelin polishing machine tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3608245A (en) * 1969-09-04 1971-09-28 Timesavers Sanders Belt sanding machine
CN201012467Y (en) * 2007-01-31 2008-01-30 扬州大学 Turbine blade numerical-controlled abrasive belt grinding machine
KR20120139021A (en) * 2011-06-16 2012-12-27 주식회사 엘지화학 Apparatus for rotation and revolution of polishing plate, and operation methods for the same
CN102729124B (en) * 2012-07-09 2014-06-18 重庆大学 Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk
CN102922388B (en) * 2012-11-01 2015-11-25 上海交通大学 The accurate polishing robot system of the complicated optical mirror plane of heavy caliber
CN203804742U (en) * 2014-04-17 2014-09-03 台州联帮机器人科技有限公司 Rotating mechanism of rack in belt sander

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Effective date of registration: 20170207

Address after: 241000 Anhui city of Wuhu province Jiujiang Electronic Industrial Park Building 7 floor, room 7006

Patentee after: Wuhu Hui Ying automation equipment Co., Ltd.

Address before: 317607 Yuhuan County, Zhejiang, Hong Kong, Hong Kong Industrial Park

Patentee before: Taizhou Lianbang Robot Technology Co., Ltd.