CN115383582B - Circular arc surface sand belt polisher - Google Patents
Circular arc surface sand belt polisher Download PDFInfo
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- CN115383582B CN115383582B CN202211219763.6A CN202211219763A CN115383582B CN 115383582 B CN115383582 B CN 115383582B CN 202211219763 A CN202211219763 A CN 202211219763A CN 115383582 B CN115383582 B CN 115383582B
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- tensioning
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- abrasive belt
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an arc surface abrasive belt sander, which comprises an abrasive belt, a sanding driving mechanism for driving the abrasive belt to move, an attitude adjusting mechanism for adjusting the sanding attitude of the abrasive belt and a tensioning mechanism for tensioning the abrasive belt; the polishing driving mechanism comprises a driving wheel and a driven wheel, and the abrasive belt is arranged on the driving wheel and the driven wheel; the gesture adjusting mechanism comprises two adjusting arms and an adjusting driving mechanism, one ends of the two adjusting arms are connected with the driving end of the adjusting driving mechanism, and the other ends of the two adjusting arms are respectively connected with the driven wheel in a rotating way; when one of the adjusting arms is driven to move towards the outer side of the abrasive belt by the adjusting driving mechanism, the other adjusting arm is driven to move towards the inner side of the abrasive belt at the same time. The arc surface abrasive belt sander can automatically polish the arc surface, greatly reduces the difficulty and time consumption of robot programming, and optimizes the polishing effect.
Description
Technical Field
The invention relates to an abrasive belt sander, in particular to an arc surface abrasive belt sander.
Background
With the rapid development of modern industry, industrial robots are widely used in various fields, especially in some fields where working environments are severe, harm to human bodies is large, and a large amount of heavy work needs to be repeated, such as the polishing industry.
The abrasive belt machine is widely applied to the polishing field because of the advantages of simple structure, high polishing efficiency, good polishing heat dissipation, difficulty in burning the surface of a workpiece, low consumable cost and the like.
The common abrasive belt machine is more suitable for polishing planes, even if the abrasive belt is used for suspending, the part can only be attached to a small section of outer circular surface, so that when the abrasive belt machine is used for polishing outer circular surfaces such as an outer R angle and the outer wall of a pipe, the workpiece can only be polished to the corresponding outer circular surface by corresponding rotation, in the application of a robot, the workpiece is required to be frequently swung by the robot to adjust the attachment of the outer circular surface of the workpiece and the abrasive belt, the operation difficulty is high, the programming time is long, and the polishing effect of a continuous surface is not uniform.
Disclosure of Invention
The invention aims to overcome the problems, and provides the circular arc surface abrasive belt sander which can automatically sand the circular arc surface, so that the difficulty and time consumption of robot programming are greatly reduced, and the polishing effect is optimized.
The aim of the invention is achieved by the following technical scheme:
the circular arc surface abrasive belt sander comprises an abrasive belt, a sanding driving mechanism for driving the abrasive belt to move, an attitude adjusting mechanism for adjusting the sanding attitude of the abrasive belt and a tensioning mechanism for tensioning the abrasive belt;
the polishing driving mechanism comprises a driving wheel and a driven wheel, and the abrasive belt is arranged on the driving wheel and the driven wheel;
the gesture adjusting mechanism comprises two adjusting arms and an adjusting driving mechanism, one ends of the two adjusting arms are connected with the driving end of the adjusting driving mechanism, and the other ends of the two adjusting arms are respectively connected with the driven wheel in a rotating way; when one of the adjusting arms is driven to move towards the outer side of the abrasive belt by the adjusting driving mechanism, the other adjusting arm is driven to move towards the inner side of the abrasive belt at the same time.
The working principle of the circular arc surface sand belt grinding machine is as follows:
when the polishing device works, a workpiece is close to and contacted with a polishing processing section by taking an abrasive belt between driven wheels on two adjusting arms as the polishing processing section; meanwhile or before, the abrasive belt is driven by the driving wheel to circularly move between the driving wheel and the driven wheel, so that the workpiece can be rubbed and polished at high speed.
Further, if the arc surface of the workpiece needs to be polished, the gesture of the telescopic arms is adjusted through the adjusting driving mechanism, so that the two telescopic arms are in the front-back consistent initial position, the polishing processing section of the abrasive belt is tangent to the center position of the arc surface of the workpiece, the gesture of the abrasive belt is gradually adjusted through the adjusting driving mechanism in the polishing process, and then the telescopic arms move back and forth along the tangential direction of the arc surface of the workpiece, so that the processing of the whole arc surface is completed. Wherein, the gesture adjustment operation of abrasive band is: according to the method, one adjusting arm is driven to move towards the outer side of the abrasive belt through an adjusting driving mechanism, and the other adjusting arm is driven to move towards the inner side of the abrasive belt at the same time, in the process, as the positions of driven wheels on the two adjusting arms are changed, the two adjusting arms are stretched and contracted, namely the positions of polishing processing sections of the abrasive belt are different, the positions of the polishing processing sections of the abrasive belt are gradually adjusted, wrapping of different positions of the arc surfaces is achieved, the two adjusting arms move synchronously and reversely, and therefore the positions of the polishing processing sections of the abrasive belt can be adjusted rapidly and flexibly according to the tangent line of the arc surface of the workpiece under the condition that the workpiece posture is unchanged, and the polishing processing sections of the abrasive belt can be attached to the arc surfaces of the workpiece for polishing processing; and the grinding of the arc surface with the angle of 0-90 degrees can be realized by adjusting the eccentric distance of the rotating axle center of the eccentric seat.
In a preferred embodiment of the present invention, the polishing driving mechanism further includes a polishing driving motor, and the polishing driving motor is fixedly disposed on the frame; the driving wheel is coaxially and fixedly connected to an output shaft of the polishing driving motor.
The invention is characterized in that the adjusting driving mechanism comprises an adjusting driving motor, an eccentric transmission seat, a transmission connecting rod and a synchronous reverse transmission frame;
the shell of the adjusting driving motor is fixedly arranged on the frame, and an output shaft of the adjusting driving motor is fixedly connected with the eccentric transmission seat;
one end of the transmission connecting rod is eccentrically and rotatably connected to the eccentric transmission seat, and the other end of the transmission connecting rod is rotatably connected to one of the adjusting arms; the adjusting arm is connected to the frame through a linear guide structure;
the synchronous reverse transmission frame is rotationally connected to the frame; one end of each of the two adjusting arms is connected with two ends of the synchronous reverse transmission frame through a movable connecting structure. Through the structure, the eccentric transmission seat rotates under the drive of the adjusting driving motor, so that the transmission connecting rod is driven to swing. The other end of the transmission connecting rod is rotationally connected to the adjusting arm, so that the transmission connecting rod can directly drive one of the adjusting arms to move along the linear guide structure, and one ends of the two adjusting arms are respectively connected with two ends of the synchronous reverse transmission frame through the movable connection structure, so that the other adjusting arm can synchronously and reversely move under the reverse transmission of the synchronous reverse transmission frame, the abrasive belt can swing in a staggered mode, and the grinding of the arc surface can be automatically completed under the condition that the posture of a workpiece is kept unchanged.
Further, the movable connecting structure comprises a movable connecting rod and a movable connecting hole, one end of the movable connecting rod is connected to the adjusting arm, and the other end of the movable connecting rod extends into the movable connecting hole; the movable connecting hole is arranged on the synchronous reverse transmission frame and is a waist-shaped hole.
Further, the other end of the movable connecting rod is connected with a movable connecting rolling bearing.
Further, the linear guide structure comprises a linear guide rail and a linear sliding block, wherein the linear guide rail is fixedly arranged on the frame, one side of the linear sliding block is fixedly connected with the adjusting arm, and the other side of the linear sliding block is matched with the linear guide rail.
In a preferred embodiment of the invention, the tensioning means are provided with two groups, which tension the sanding belt on both sides of the two driven wheels.
In a preferred embodiment of the present invention, the tensioning mechanism includes a tensioning wheel and an adaptive elastic tensioning structure, and the tensioning wheel is connected to the frame through the adaptive elastic tensioning structure;
the self-adaptive elastic tensioning structure comprises a tensioning mounting plate, a follow-up driving rod, a self-adaptive follow-up plate, a tensioning spring, a spring guide shaft and a tensioning sliding guide structure;
the tensioning wheel is rotationally connected to the tensioning mounting plate; the tensioning mounting plate is connected to the spring guide shaft in a sliding manner; one end of the spring guide shaft is fixed on the self-adaptive follow-up plate; the tensioning spring is sleeved on the spring guide shaft, and two ends of the tensioning spring are abutted against the tensioning mounting plate and the self-adaptive follow-up plate;
the tensioning sliding guide structure comprises a tensioning guide rail and a tensioning sliding block arranged on the tensioning guide rail; the self-adaptive follower plate is fixedly connected with the tensioning sliding block; the self-adaptive follow-up plate is provided with an arc follow-up driving hole; one end of the follow-up driving rod is connected to the adjusting arm, and the other end of the follow-up driving rod extends into the follow-up driving hole;
when the follow-up driving rod is positioned at the end part of the follow-up driving hole, which is close to the driven wheel, the adjusting arm corresponding to the follow-up driving rod is in an extending state; when the follow-up driving rod is positioned at the end part of the follow-up driving hole, which is far away from the driven wheel, the adjusting arm corresponding to the follow-up driving rod is in a retracted state.
Through the structure, when the adjusting driving mechanism drives the adjusting arm to move, the self-adaptive follow-up plate is indirectly driven to move by the follow-up driving rod connected to the adjusting arm, and then the tensioning mounting plate can move along the spring guide shaft under the transmission of the tensioning spring, so that the tensioning wheel self-adaptively tensioning abrasive belt can ensure that the length of the abrasive belt is unchanged and the tensioning force is stable.
Further, the tensioning sliding blocks are two, and the self-adaptive follow-up plate and the tensioning mounting plate are fixedly connected with the two tensioning sliding blocks respectively.
Further, the other end of the follow-up driving rod is connected with a follow-up rolling bearing.
Compared with the prior art, the invention has the following beneficial effects:
according to the circular arc surface abrasive belt grinding machine, one of the adjusting arms is driven to move towards the outer side of the abrasive belt through the adjusting driving mechanism, and the other adjusting arm is driven to move towards the inner side of the abrasive belt, in the process, as the positions of the driven wheels on the two adjusting arms are changed, the two adjusting arms stretch and shrink, namely the included angle between the abrasive belt and the horizontal position is changed, the posture of a grinding processing section of the abrasive belt is gradually adjusted, and the two adjusting arms move synchronously and reversely, so that the grinding of the circular arc surface of 0-90 degrees can be automatically completed under the condition that the posture of a workpiece is kept unchanged, the programming difficulty and time consumption of a robot are greatly reduced, and the grinding effect is optimized.
Drawings
Fig. 1 is a front view of the circular arc surface abrasive belt sander of the present invention.
Fig. 2 is a rear view of the circular arc surface abrasive belt sander of the present invention.
Fig. 3 is a top cross-sectional view of the circular arc surface abrasive belt sander of the present invention.
Fig. 4 is a side cross-sectional view of the circular arc surface abrasive belt sander of the present invention.
Fig. 5-8 are elevation views of the circular arc surface belt sander of the present invention in a number of different operating conditions.
Detailed Description
In order that those skilled in the art will well understand the technical solutions of the present invention, the following describes the present invention further with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1 to 4, the circular arc surface abrasive belt sander of the present embodiment includes an abrasive belt 1, a sanding driving mechanism for driving the abrasive belt 1 to move, an attitude adjusting mechanism for adjusting the sanding attitude of the abrasive belt 1, and a tensioning mechanism for tensioning the abrasive belt 1.
Referring to fig. 1-4, the polishing driving mechanism comprises a driving wheel 2 (rubber wheel), a driven wheel 3 and a polishing driving motor 4, and the abrasive belt 1 is arranged on the driving wheel 2 and the driven wheel 3; the polishing driving motor 4 is fixedly arranged on the frame 5 through bolts; the driving wheel 2 is coaxially and fixedly connected to an output shaft of the polishing driving motor 4.
Referring to fig. 1-4, the gesture adjusting mechanism comprises two adjusting arms 6 and an adjusting driving mechanism, wherein one ends of the two adjusting arms 6 are connected with the driving end of the adjusting driving mechanism, and the other ends of the two adjusting arms 6 are respectively connected with the driven wheel 3 in a rotating way; when one of the adjustment arms 6 is driven by the adjustment drive mechanism to move in the direction of the outside of the sanding belt 1, the other adjustment arm 6 is simultaneously driven to move in the direction of the inside of the sanding belt 1.
The adjusting driving mechanism comprises an adjusting driving motor 7, an eccentric transmission seat 8, a transmission connecting rod 9 and a synchronous reverse transmission frame 10; the shell of the adjusting driving motor 7 is fixedly arranged on the frame 5, and an output shaft of the adjusting driving motor 7 is fixedly connected with the eccentric transmission seat 8; one end of the transmission connecting rod 9 is eccentrically and rotatably connected to the eccentric transmission seat 8, and the other end of the transmission connecting rod 9 is rotatably connected to one of the adjusting arms 6; the adjusting arm 6 is connected to the frame 5 through a linear guide structure; the synchronous reverse transmission frame 10 is rotatably connected to the frame 5; one end of each of the two adjusting arms 6 is connected with two ends of the synchronous reverse transmission frame 10 through a movable connecting structure. Through the structure, the eccentric transmission seat 8 rotates under the drive of the adjusting driving motor 7, so as to drive the transmission connecting rod 9 to deflect. The other end of the transmission connecting rod 9 is rotatably connected to the adjusting arms 6, so that the transmission connecting rod 9 can directly drive one of the adjusting arms 6 to move along the linear guide structure, and one end of each of the two adjusting arms 6 is connected with two ends of the synchronous reverse transmission frame 10 through the movable connection structure, so that the other adjusting arm 6 can move synchronously and reversely under the reverse transmission of the synchronous reverse transmission frame 10, the abrasive belt 1 can swing in a staggered manner, and the grinding of the arc surface can be automatically completed under the condition that the posture of a workpiece is kept unchanged.
Further, the movable connecting structure comprises a movable connecting rod 11 and a movable connecting hole, one end of the movable connecting rod 11 is connected to the adjusting arm 6, the other end of the movable connecting rod 11 extends into the movable connecting hole, and the other end of the movable connecting rod 11 is connected with a movable connecting rolling bearing 12; the movable connecting hole is arranged on the synchronous reverse transmission frame 10 and is a waist-shaped hole.
Further, the linear guide structure comprises a linear guide rail 13 and a linear slide block 14, the linear guide rail 13 is fixedly arranged on the frame 5, one side of the linear slide block 14 is fixedly connected with the adjusting arm 6, and the other side of the linear slide block is matched with the linear guide rail 13.
With reference to fig. 1-4, the tensioning mechanism is provided with two groups of tensioning mechanisms, which respectively tension the sanding belt 1 on both sides of the two driven wheels. The tensioning mechanism comprises a tensioning wheel 15 and an adaptive elastic tensioning structure, and the tensioning wheel 15 is connected to the frame 5 through the adaptive elastic tensioning structure; the self-adaptive elastic tensioning structure comprises a tensioning mounting plate 16, a follow-up driving rod 17, a self-adaptive follow-up plate 18, a tensioning spring 19, a spring guide shaft 20 and a tensioning sliding guide structure; the tensioning wheel 15 is rotatably connected to the tensioning mounting plate 16; the tensioning mounting plate 16 is slidably connected to the spring guide shaft 20; one end of the spring guide shaft 20 is fixed on the adaptive follower plate 18; the tensioning spring 19 is sleeved on the spring guide shaft 20, and two ends of the tensioning spring 19 are abutted against the tensioning mounting plate 16 and the self-adaptive follower plate 18; the tensioning sliding guide structure comprises a tensioning guide rail 21 and two tensioning sliding blocks (not shown in the figure) arranged on the tensioning guide rail 21; the self-adaptive follower plate 18 and the tensioning mounting plate 16 are respectively and fixedly connected with the two tensioning sliding blocks; the self-adaptive follower plate 18 is provided with an arc follower driving hole; one end of the follow-up driving rod 17 is connected to the adjusting arm 6, the other end extends into the follow-up driving hole, and the other end of the follow-up driving rod 17 is connected with a follow-up rolling bearing 22; when the follow-up drive lever 17 is positioned at the end of the follow-up drive hole close to the driven wheel 3, the adjusting arm 6 corresponding to the follow-up drive lever 17 is in an extended state; when the follower drive lever 17 is located at the end of the follower drive hole away from the driven wheel 3, the adjustment arm 6 corresponding to the follower drive lever 17 is in a retracted state.
Through the structure, when the adjusting driving mechanism drives the adjusting arm 6 to move, the self-adaptive follow-up plate 18 can be indirectly driven to move through the follow-up driving rod 17 connected to the adjusting arm 6, and then the tensioning mounting plate 16 can move along the spring guide shaft 20 under the transmission of the tensioning spring 19, so that the tensioning wheel 15 self-adaptively tensions the abrasive belt 1, and the length of the abrasive belt 1 is kept unchanged and the tensioning force is stable.
Referring to fig. 1-8, the working principle of the circular arc surface abrasive belt sander is as follows:
when the polishing device works, a workpiece is close to and contacted with a polishing processing section by taking the abrasive belt 1 positioned between the driven wheels 3 on the two adjusting arms 6 as the polishing processing section; simultaneously or before, the abrasive belt 1 is driven by the driving wheel 2 to circularly move between the driving wheel 2 and the driven wheel 3, so that the workpiece can be rubbed and polished at high speed.
Further, if the arc surface of the workpiece needs to be polished, the posture of the abrasive belt 1 is adjusted through the adjusting driving mechanism, so that the polishing processing section of the abrasive belt 1 is tangential to the initial position of the arc surface of the workpiece, the posture of the abrasive belt 1 is gradually adjusted through the adjusting driving mechanism in the polishing process, and then the abrasive belt moves forward gradually along the arc surface of the workpiece, and the whole arc surface is finished. Wherein, the posture adjustment operation of the abrasive belt 1 is as follows: along the corresponding direction, one of the adjusting arms 6 is driven to move towards the outer side of the abrasive belt 1 by the adjusting driving mechanism, and the other adjusting arm 6 is driven to move towards the inner side of the abrasive belt 1 at the same time, in the process, as the positions of the driven wheels 3 on the two adjusting arms 6 are changed, the positions of the polishing processing sections of the abrasive belt 1 are gradually adjusted when the two adjusting arms are stretched, namely the positions are different, as shown in fig. 5-8, the polishing processing of the 90-degree arc surface can be just completed; and the two adjusting arms 6 move synchronously and reversely, so that the posture of the polishing processing section of the abrasive belt 1 can be quickly and flexibly adjusted according to the tangent line of the arc surface of the workpiece under the condition of keeping the posture of the workpiece unchanged, and the polishing processing section of the abrasive belt 1 can be attached to the arc surface of the workpiece for polishing.
Example 2
Unlike embodiment 1, the present embodiment has two adjustment drive mechanisms, which are connected to two adjustment arms 6, respectively. In operation, the two adjustment drive mechanisms alternately drive the two adjustment arms 6 to perform telescopic movement.
The foregoing is illustrative of the present invention, and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The circular arc surface abrasive belt sander is characterized by comprising an abrasive belt, a sanding driving mechanism for driving the abrasive belt to move, an attitude adjusting mechanism for adjusting the sanding attitude of the abrasive belt and a tensioning mechanism for tensioning the abrasive belt;
the polishing driving mechanism comprises a driving wheel and a driven wheel, and the abrasive belt is arranged on the driving wheel and the driven wheel;
the gesture adjusting mechanism comprises two adjusting arms and an adjusting driving mechanism, one ends of the two adjusting arms are connected with the driving end of the adjusting driving mechanism, and the other ends of the two adjusting arms are respectively connected with the driven wheel in a rotating way; when one of the adjusting arms is driven to move towards the outer side of the abrasive belt by the adjusting driving mechanism, the other adjusting arm is driven to move towards the inner side of the abrasive belt at the same time;
the tensioning mechanism comprises a tensioning wheel and a self-adaptive elastic tensioning structure, and the tensioning wheel is connected to the frame through the self-adaptive elastic tensioning structure;
the self-adaptive elastic tensioning structure comprises a tensioning mounting plate, a follow-up driving rod, a self-adaptive follow-up plate, a tensioning spring, a spring guide shaft and a tensioning sliding guide structure;
the tensioning wheel is rotationally connected to the tensioning mounting plate; the tensioning mounting plate is connected to the spring guide shaft in a sliding manner; one end of the spring guide shaft is fixed on the self-adaptive follow-up plate; the tensioning spring is sleeved on the spring guide shaft, and two ends of the tensioning spring are abutted against the tensioning mounting plate and the self-adaptive follow-up plate;
the tensioning sliding guide structure comprises a tensioning guide rail and a tensioning sliding block arranged on the tensioning guide rail; the self-adaptive follower plate is fixedly connected with the tensioning sliding block; the self-adaptive follow-up plate is provided with an arc follow-up driving hole; one end of the follow-up driving rod is connected to the adjusting arm, and the other end of the follow-up driving rod extends into the follow-up driving hole;
when the follow-up driving rod is positioned at the end part of the follow-up driving hole, which is close to the driven wheel, the adjusting arm corresponding to the follow-up driving rod is in an extending state; when the follow-up driving rod is positioned at the end part of the follow-up driving hole, which is far away from the driven wheel, the adjusting arm corresponding to the follow-up driving rod is in a retracted state.
2. The circular arc surface abrasive belt sander of claim 1, wherein the sanding drive mechanism further comprises a sanding drive motor fixedly disposed on the frame; the driving wheel is coaxially and fixedly connected to an output shaft of the polishing driving motor.
3. The circular arc surface abrasive belt sander according to claim 1, wherein the adjustment driving mechanism comprises an adjustment driving motor, an eccentric transmission seat, a transmission link and a synchronous reverse transmission frame;
the shell of the adjusting driving motor is fixedly arranged on the frame, and an output shaft of the adjusting driving motor is fixedly connected with the eccentric transmission seat;
one end of the transmission connecting rod is eccentrically and rotatably connected to the eccentric transmission seat, and the other end of the transmission connecting rod is rotatably connected to one of the adjusting arms; the adjusting arm is connected to the frame through a linear guide structure;
the synchronous reverse transmission frame is rotationally connected to the frame; one end of each of the two adjusting arms is connected with two ends of the synchronous reverse transmission frame through a movable connecting structure.
4. The circular arc surface abrasive belt sander according to claim 3, wherein the movable connecting structure comprises a movable connecting rod and a movable connecting hole, one end of the movable connecting rod is connected to the adjusting arm, and the other end of the movable connecting rod extends into the movable connecting hole; the movable connecting hole is arranged on the synchronous reverse transmission frame and is a waist-shaped hole.
5. The circular arc surface abrasive belt sander according to claim 4, wherein the other end of the movable connecting rod is connected with a movable rolling bearing.
6. The circular arc surface abrasive belt sander according to claim 3, wherein the linear guide structure comprises a linear guide rail and a linear slider, the linear guide rail is fixedly arranged on the frame, one side of the linear slider is fixedly connected with the adjusting arm, and the other side of the linear slider is matched with the linear guide rail.
7. The circular arc surface abrasive belt sander according to claim 1, wherein the tensioning mechanism is provided with two groups, and the two groups of tensioning mechanisms are used for tensioning the abrasive belt on two sides of the two driven wheels respectively.
8. The circular arc surface abrasive belt sander according to claim 1, wherein two tensioning sliders are provided, and the adaptive follow-up plate and the tensioning mounting plate are fixedly connected with the two tensioning sliders respectively.
9. The circular arc surface abrasive belt sander according to claim 1, wherein the other end of the follow-up driving rod is connected with a follow-up rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211219763.6A CN115383582B (en) | 2022-09-30 | 2022-09-30 | Circular arc surface sand belt polisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211219763.6A CN115383582B (en) | 2022-09-30 | 2022-09-30 | Circular arc surface sand belt polisher |
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| Publication Number | Publication Date |
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| CN115383582A CN115383582A (en) | 2022-11-25 |
| CN115383582B true CN115383582B (en) | 2023-08-04 |
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| CN202211219763.6A Active CN115383582B (en) | 2022-09-30 | 2022-09-30 | Circular arc surface sand belt polisher |
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| CN115383582A (en) | 2022-11-25 |
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