CN203804742U - Rotating mechanism of rack in belt sander - Google Patents
Rotating mechanism of rack in belt sander Download PDFInfo
- Publication number
- CN203804742U CN203804742U CN201420186804.0U CN201420186804U CN203804742U CN 203804742 U CN203804742 U CN 203804742U CN 201420186804 U CN201420186804 U CN 201420186804U CN 203804742 U CN203804742 U CN 203804742U
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- China
- Prior art keywords
- travelling gear
- frame
- rotating mechanism
- base
- belt grinder
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Abstract
The utility model provides a rotating mechanism of a rack in a belt sander and belongs to the technical field of machinery. The rotating mechanism of the rack in the belt sander solves the problem that because the position of an abrasive belt in an existing belt sander cannot be adjusted, the surfaces of workpieces cannot be ground evenly. According to the rotating mechanism of the rack in the belt sander, the belt sander comprises a base and the rack, wherein the rack is connected to the base and can rotate relative to the base. The rotating mechanism is arranged between the rack and the base and comprises a rotation motor fixed to the rack and a second transmission gear fixed to the base. The circle center of the second transmission gear and the rotation center of the rack are located in the same straight line, an output shaft of the rotation motor downwards penetrates through the bottom of the rack, a first transmission gear is fixedly connected to the end of the output shaft of the rotation motor, and the first transmission gear is meshed with the second transmission gear. The rotating mechanism of the rack in the belt sander has the advantages that rotation of the rack is accurate, the position of the abrasive belt is adjustable, and the grinding precision is high.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of belt sanding polishing machine, relates in particular to a kind of rotating mechanism of belt sanding polishing machine mid frame.
Background technology
Belt grinder is one very conventional in sander, is the conventional machinery process equipment that the special surface for the metallic article such as steel, aluminum bronze and tubing carry out grinding process, is all applied widely at numerous areas.Belt grinder is to utilize motor to drive driving wheel to rotate to make abrasive band produce running at a high speed, and the sand grains on surface, abrasive band can cut polishing to surface of the work, all higher by quality and the precision of the surface of the work after belt sanding.
The frame of existing belt grinder is all fixed, its position except can rotating, abrasive band in frame is also fixed, therefore just need to configure a manipulator for coordinating with belt grinder, utilize manipulator clamping workpiece to contact to polish with surface, abrasive band.In bruting process, manipulator needs constantly rotational workpieces or converts the relative angle on all the other surfaces, abrasive band, thereby ensures can being farthest polished to of surface of the work everywhere.
But, the swing of the each axle of manipulator and angular transformation all have certain limit, when surface of the work has not exceeded after the scope that manipulator can compensate the position in the relative abrasive band of burnishing part, even also cannot ensure that by the conversion of manipulator surface of the work is intactly polished to everywhere, thereby cause surface of the work polishing precision everywhere to have no idea to keep unified, surface polishing everywhere can not keep even.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, can adjust position, abrasive band, ensures the surface of the work rotating mechanism of the belt grinder mid frame of grinding homogeneity everywhere while having proposed a kind of polishing.
The purpose of this utility model can realize by following technical proposal:
A kind of rotating mechanism of belt grinder mid frame, belt grinder comprises a base and is connected on base and the frame that can rotate with respect to base, this rotating mechanism is arranged between frame and base, it is characterized in that, this rotating mechanism comprises and is fixed on the rotary electric machine in frame and is fixed on the travelling gear two 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 frame bottom 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 and polishes with the abrasive band running up, when needs frame turns over certain angle and when convenient polishing, only need to control rotary electric machine work, the output shaft of rotary electric machine drives and together rotates with its travelling gear one being connected mutually, 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, thereby frame is rotated with respect to base.Rotate owing to adopting rotary electric machine drive chassis, rotary electric machine can be accomplished to rise and stop, therefore when rotary electric machine control frame turns to respect to base behind the position of setting, rotary electric machine quits work, frame just stops operating, then control keeper according to setting frame location, can not rotate again after making frame turn to desired location.Startup by rotary electric machine and stopping, ensureing that frame can turn to desired position exactly, the stability while having ensured polishing.
In addition, although this rotating mechanism is that rotary electric machine is fixed in frame, travelling gear two is fixed on base, and rotary electric machine is arranged on base, travelling gear one is arranged to frame bottom and also can realizes frame rotation.
In the rotating mechanism of above-mentioned belt grinder mid frame, described travelling gear two is external gear, the tooth root diameter of a circle of described travelling gear two is greater than the tooth root diameter of a circle of travelling gear one, and the number of teeth of travelling gear two is greater than the number of teeth of travelling gear one.
The root diameter of travelling gear two is greater than the root diameter of travelling gear one, and the number of teeth of travelling gear two is greater than the number of teeth of travelling gear one, like this in the time that travelling gear one rotates some circles, travelling gear one is only walked around certain angle around travelling gear two, can improve like this accuracy that frame is rotated, can make frame turn to more exactly desired location.
In the rotating mechanism of above-mentioned belt grinder mid frame, as another kind of situation, described travelling gear two is internal gear, between described travelling gear one and travelling gear two, be also provided with some idler gears, the root diameter of described idler gear is greater 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 equally the accuracy that frame is rotated.
In the rotating mechanism of above-mentioned belt grinder mid frame, described frame bottom is fixed with installing plate, between described installing plate and base, be provided with rotating shaft, described rotating shaft is concentric with travelling gear two, described rotary electric machine is fixed on installing plate, on described base, there is 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, between described annular positioning groove one and annular positioning groove two, is embedded with plane bearing.Between frame and base, plane bearing is set, can makes frame more smooth and easy, steady with respect to the rotation of base.
In the rotating mechanism of above-mentioned belt grinder mid frame, between described frame and base, be also provided with the keeper that can be located after frame is rotated with respect to base.
Rotary electric machine drives frame to turn to behind desired position, frame is produced while polishing to shake and generation rotation, therefore utilize keeper to be fixed after frame stops operating, thereby improved the polishing precision of workpiece in order to prevent that workpiece from contact with abrasive band.
In the rotating mechanism of above-mentioned belt grinder mid frame, described keeper comprises the positioning cylinder being fixed on installing plate, on described travelling gear two, be evenly equipped with somely taking rotating shaft as the center of circle and be positioned at the locating hole on same circumference, the piston rod of described positioning cylinder can and insert in locating hole through installing plate.
When driving frame, rotary electric machine turns to after desired location, rotary electric machine quits work, frame just stops operating, collided and rotation is occurred for fear of frame, in the time that frame stops operating, the work of control positioning cylinder, makes the piston rod of positioning cylinder release and be inserted in locating hole corresponding with current piston rod position on travelling gear two downwards, thereby frame and base is fixed.
In the rotating mechanism of above-mentioned belt grinder mid frame, the end of the piston rod of described positioning cylinder is tapered, and the shape of described locating hole is identical with the end shape of the piston rod of positioning cylinder.
Taper is arranged to in the piston rod end of positioning cylinder, and its locating hole identical with its shape is matched, can improve the locating effect between frame and base.
In the rotating mechanism of above-mentioned belt grinder mid frame, described keeper comprises the driving cylinder that is fixed on frame following side, the end of the piston rod of described driving cylinder connects alignment pin, on described installing plate, be distributed with some taking rotating shaft as the center of circle and be positioned at the connecting hole one on same circumference, on described travelling gear two, correspondence is distributed with connecting hole two, and described alignment pin can penetrate in the lump in connecting hole two through connecting hole under the driving that drives cylinder.
In the rotating mechanism of above-mentioned belt grinder mid 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, the rotating mechanism of this belt grinder mid frame has the following advantages:
1, the rotating mechanism of this belt grinder mid 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 accurately turns to set angle, thus make grinding workpieces more evenly, polishing precision is higher;
2, in the rotating mechanism of this belt grinder mid frame, the number of teeth of travelling gear two is greater than the number of teeth of travelling gear one, improves the accuracy to the control of frame rotational angle by increasing the number of teeth of travelling gear two, has ensured further the accuracy that frame is rotated;
3, the rotating mechanism of this belt grinder mid frame is fixed motionlessly after utilizing keeper to rotate frame, ensures that bruting process mid frame can not be subject to collision affect and rotate, and the stability while having improved polishing, has also guaranteed polishing precision.
Brief description of the drawings
Fig. 1 is the structural representation of the rotating mechanism of this belt grinder mid frame.
Fig. 2 is the schematic diagram of the rotating mechanism mid frame of this belt grinder mid frame while separating 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 this belt grinder mid frame.
Fig. 5 is the upward view of the rotating mechanism mid frame of this belt grinder mid frame.
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, locating hole.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-
As Figure 1-Figure 5, a kind of rotating mechanism of belt grinder mid frame, belt grinder comprises a base 2 and is connected in the frame 1 on base 2, frame 1 bottom is fixed with installing plate 6, between installing plate 6 and base 2, be provided with rotating shaft 7, have the installation portion 8 of plate-like on base 2, the bottom of installing plate 6 has annular positioning groove 1, the surface of installation portion 8 has annular positioning groove 2 10, between annular positioning groove 1 and annular positioning groove 2 10, is embedded with plane bearing 11.
As Figure 2-Figure 5, this rotating mechanism is arranged between frame 1 and base 2, this rotating mechanism comprises 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, the end of the output shaft of rotary electric machine 3 is fixed with travelling gear 1.On base 2, be fixed with travelling gear 25, rotating shaft 7 is concentric with travelling gear 25, travelling gear 25 is external gear and is meshed with travelling gear 1, the root diameter of travelling gear 25 is greater than the root diameter of travelling gear 1, and the number of teeth of travelling gear 25 is greater than the number of teeth of travelling gear 1.
As shown in Figure 1-Figure 3, between frame 1 and base 2, be also provided with keeper, this keeper comprises the positioning cylinder 12 being fixed on installing plate 6, on travelling gear 25, be evenly equipped with some taking rotating shaft 7 as the center of circle and be positioned at the locating hole 14 on same circumference, the end of the piston rod 13 of positioning cylinder 12 is tapered, the shape of locating hole 14 is identical with the shape of piston rod 13 ends of positioning cylinder 12, in the time that needs are located, the end of the piston rod 13 of positioning cylinder 12 can be passed down through installing plate 6 and be inserted in the locating hole relative with its position 14.
Driving wheel in frame 1 drives abrasive band to rotate, the manipulator clamping workpiece to be polished coordinating with belt grinder contacts and polishes with the surface, abrasive band of rotation, when the position in the relative abrasive band of manipulator clamping workpiece is unfavorable for the polishing in surface of the work somewhere, and when manipulator can not be realized by distortion, just need frame 1 to rotate.
The process that control frame 1 is rotated is such: first, controlling rotary electric machine 3 starts working, the output shaft rotation of rotary electric machine 3 also drives the travelling gear 1 that is fixed on its end together to rotate, because travelling gear 1 is meshed with travelling gear 25 and travelling gear 25 is fixed on again on base 2, therefore in the time of the output shaft rotation of rotary electric machine 3, travelling gear 1 can rotate around travelling gear 25, thereby frame 1 is rotated with respect to base 2, and rotary electric machine 3 stops after making frame 1 turn to desired location according to setting.Then the vibrations that produce when preventing that workpiece is resisted against abrasive band make frame 1 that rotation occur, therefore while quitting work after rotary electric machine 3 makes frame 1 turn to desired location, the piston rod 13 of positioning cylinder 12 can be released downwards, and is inserted in locating hole 14 relative with piston rod 13 positions of current positioning cylinder 12 on travelling gear 25.The connection function of the piston rod 13 by positioning cylinder 12, makes frame 1 and base 2 fixed with each other, thereby ensures that rotation can not occur frame 1 in the time of polishing.
In the time need to readjusting the angle of frame 1, the piston rod 13 of controlling positioning cylinder 12 is when exiting in locating hole 14, and frame 1 can be rotated with respect to base 2 again again, now only need repeat above-mentioned rotation process.
The rotating mechanism of this belt grinder mid frame is by rotary electric machine 3, the cooperation of travelling gear 1 and travelling gear 25, realize the rotation of frame 1 with respect to base 2, because rotary electric machine 3 rise and stop, therefore adopt rotary electric machine 3 drive chassis 1 to rotate the object that can reach accurate control frame 1 rotational angle, and because the root diameter of travelling gear 25 is greater than the number of teeth that the root diameter of travelling gear 1 and the number of teeth of travelling gear 25 are greater than travelling gear 1, like this in the time that travelling gear 1 turns over some circles, relative that it turns over certain angle with respect to 25 of travelling gears, the rotation that therefore can ensure well frame 1 can be more accurate.In addition, after going to desired location, frame 1 utilize the piston rod 13 of positioning cylinder 12 that frame 1 and base 2 are fixed, the stability can ensure to polish again time.
Embodiment bis-
The present embodiment is basic identical with structure and the principle of embodiment mono-, difference is: the travelling gear 25 in the present embodiment is internal gear, between travelling gear 1 and travelling gear 25, be also provided with some idler gears, 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 the planetary form of travelling gear 25 composition, 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, thereby travelling gear 1 is also rotated around travelling gear 25, and frame 1 just can be rotated with respect to base 2.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (9)
1. the rotating mechanism of a belt grinder mid frame, belt grinder comprises a base (2) and is connected in the frame (1) that base (2) is upper and can rotate with respect to base (2), this rotating mechanism is arranged between frame (1) and base (2), it is characterized in that, this rotating mechanism comprises the rotary electric machine (3) being fixed in frame (1) and is fixed on the travelling gear two (5) 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).
2. the rotating mechanism of belt grinder mid frame 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 greater than the tooth root diameter of a circle of travelling gear one (4), and the number of teeth of travelling gear two (5) is greater than the number of teeth of travelling gear one (4).
3. the rotating mechanism of belt grinder mid frame according to claim 1, it is characterized in that, described travelling gear two (5) is internal gear, between described travelling gear one (4) and travelling gear two (5), be also provided with some idler gears, the root diameter of described idler gear is greater 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. according to the rotating mechanism of the belt grinder mid frame described in claim 1 or 2 or 3, it is characterized in that, described frame (1) bottom is fixed with installing plate (6), between described installing plate (6) and base (2), be provided with rotating shaft (7), described rotating shaft (7) is concentric with travelling gear two (5), described rotary electric machine (3) is fixed on installing plate (6), on described base (2), there is 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), between described annular positioning groove one (9) and annular positioning groove two (10), be embedded with plane bearing (11).
5. the rotating mechanism that will remove the belt grinder mid frame described in 1 according to right, is characterized in that, is also provided with the keeper that can be located after frame (1) is rotated with respect to base (2) between described frame (1) and base (2).
6. the rotating mechanism of belt grinder mid frame according to claim 5, it is characterized in that, described keeper comprises the positioning cylinder (12) being fixed on installing plate (6), on described travelling gear two (5), be evenly equipped with somely taking rotating shaft (7) as the center of circle and be positioned at the locating hole (14) on same circumference, the piston rod (13) of described positioning cylinder (12) can pass installing plate (6) and insert in locating hole (14).
7. the rotating mechanism of belt grinder mid frame according to claim 6, it is characterized in that, the end of the piston rod (13) of described positioning cylinder (12) is tapered, and the shape of described locating hole (14) is identical with the end shape of the piston rod (13) of positioning cylinder (12).
8. the rotating mechanism of belt grinder mid frame according to claim 5, it is characterized in that, described keeper comprises the driving cylinder that is fixed on frame (1) following side, the end of the piston rod of described driving cylinder connects alignment pin, on described installing plate (6), be distributed with some taking rotating shaft (7) as the center of circle and be positioned at the connecting hole one on same circumference, the described upper correspondence of travelling gear two (5) is distributed with connecting hole two, and described alignment pin can penetrate in the lump in connecting hole two through connecting hole under the driving that drives cylinder.
9. the rotating mechanism of belt grinder mid frame according to claim 8, is characterized 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186804.0U CN203804742U (en) | 2014-04-17 | 2014-04-17 | Rotating mechanism of rack in belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186804.0U CN203804742U (en) | 2014-04-17 | 2014-04-17 | Rotating mechanism of rack in belt sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804742U true CN203804742U (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186804.0U Expired - Fee Related CN203804742U (en) | 2014-04-17 | 2014-04-17 | Rotating mechanism of rack in belt sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894908A (en) * | 2014-04-17 | 2014-07-02 | 台州联帮机器人科技有限公司 | Rotating mechanism of machine frame in abrasive belt grinding machine |
| CN108161669A (en) * | 2018-02-01 | 2018-06-15 | 北京华航唯实机器人科技股份有限公司 | A kind of pipeline system sanding and polishing work station based on robot |
| CN114406538A (en) * | 2022-01-24 | 2022-04-29 | 黄国祥 | Feeding robot of aluminum profile welding equipment for intelligent manufacturing |
-
2014
- 2014-04-17 CN CN201420186804.0U patent/CN203804742U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894908A (en) * | 2014-04-17 | 2014-07-02 | 台州联帮机器人科技有限公司 | Rotating mechanism of machine frame in abrasive belt grinding machine |
| CN108161669A (en) * | 2018-02-01 | 2018-06-15 | 北京华航唯实机器人科技股份有限公司 | A kind of pipeline system sanding and polishing work station based on robot |
| CN114406538A (en) * | 2022-01-24 | 2022-04-29 | 黄国祥 | Feeding robot of aluminum profile welding equipment for intelligent manufacturing |
| CN114406538B (en) * | 2022-01-24 | 2023-10-24 | 中东供应链科技集团有限公司 | Intelligent manufacturing feeding robot of aluminum profile welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170217 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |