Self-adaptive floating type abrasive belt grinding machine

Abstract

The utility model relates to a self-adaptive floating type abrasive belt grinding machine which comprises a fixed base. The driving motor is arranged on the fixed base; the driving wheel is connected with the output end of the driving motor; the driven wheel is arranged on the fixed base; and the floating assembly is connected with a floating wheel, the driving wheel, the driven wheel and the floating wheel are sleeved with an abrasive belt, and the floating assembly drives the floating wheel to move so that the distance between the abrasive belt and the workpiece to be machined can be adjusted. The self-adaptive floating type abrasive belt grinding machine comprises the driving wheel, the floating wheel, the abrasive belt, the driving device and the like, the fixed wheel and the floating wheel jointly act on movement and machining of the abrasive belt, the driving device provides necessary power and control, and it is ensured that the abrasive belt can effectively grind or polish the surface of a workpiece in the machining process; and the grinding efficiency is improved, the operation convenience and the workpiece surface treatment uniformity are improved, and the device is suitable for fine grinding tasks of various workpieces in complex shapes.

Description

TECHNICAL FIELD

[0001] The utility model relates to polishing technical field especially is a kind of self-adapting floating type abrasive belt polisher. BACKGROUND

[0002] The abrasive belt polisher is a kind of polishing device commonly used in metal processing, which is used to polish the surface of an object by using a rapidly moving abrasive belt. It is also a commonly used mechanical processing equipment for polishing the surface of steel, aluminum and other metal products and pipes. It is an important equipment in metal product production lines and is widely used in hardware, plumbing and other industries. The quality and precision of the workpiece surface after polishing by the abrasive belt are high.

[0003] The existing abrasive belt polisher includes a driving wheel, a driven wheel, an abrasive belt and a clamp for fixing the workpiece to be polished. The clamp is used to be fixed on the corresponding work platform. The driving wheel and the driven wheel are arranged above the clamp. The abrasive belt is wound around the driving wheel and the driven wheel. Under the high-speed rotation of the driving wheel, the abrasive belt moves at high speed with the driving wheel to grind the surface of the workpiece on the clamp.

[0004] In the polishing application, the abrasive belt polishing is usually a triangular abrasive belt polishing mechanism. During the grinding process of the workpiece, the shape of the workpiece surface may change. However, the gap between the abrasive belt and the clamp of the existing abrasive belt polisher is fixed, which leads to the fact that the workpiece with changed surface shape cannot maintain good contact with the abrasive belt, and the grinding efficiency is low. That is, the abrasive belt does not have a floating sensing function, and the phenomenon of "hard polishing" is easy to occur, resulting in over-polishing and under-polishing. SUMMARY

[0005] Therefore, the utility model wants to solve the technical problem that the existing abrasive belt machine is used to polish the tool according to the rotation of the abrasive belt. However, the fixed abrasive belt cannot dynamically adjust the workpiece.

[0006] To solve the above technical problems, the utility model provides a self-adapting floating type abrasive belt polisher, which comprises a fixed base, a driving motor arranged on the fixed base, a driving wheel connected with the output end of the driving motor, a driven wheel arranged on the fixed base, and a floating assembly arranged on the fixed base. The floating assembly is connected with a floating wheel. The driving wheel, the driven wheel and the floating wheel are sleeved with an abrasive belt. The floating assembly drives the floating wheel to move to adjust the distance between the abrasive belt and the workpiece to be processed. The self-adapting floating type abrasive belt polisher of the utility model can dynamically adjust the abrasive belt of the floating wheel part according to the shape and specific position of the workpiece, so as to have high flexibility. By installing the polisher on the mechanical arm, the self-adapting polishing function of the industrial robot is realized.

[0007] In one embodiment of the utility model, the fixed base is provided with a connecting assembly, and the output end of the driving motor is connected with the driving wheel through the connecting assembly.

[0008] In one embodiment of the utility model, the connecting assembly comprises a motor mounting seat, a shaft coupling, a locking nut, bearing one, bearing two and a rotating shaft, the motor mounting seat is installed on the fixed base, the driving motor is arranged on the motor mounting seat, the rotating shaft is installed on the fixed base through bearing one and bearing two, the locking nut is used for limiting bearing one and bearing two on the rotating shaft, the output end of the driving motor is connected with the rotating shaft through the shaft coupling, and the driving wheel is sleeved on one end of the rotating shaft away from the driving motor.

[0009] In one embodiment of the utility model, the rotating shaft is a stepped shaft.

[0010] In one embodiment of the utility model, the driving motor, the rotating shaft and the driving wheel are coaxially arranged.

[0011] In one embodiment of the utility model, the floating assembly comprises a floating power source, a floating connecting plate and a floating support, the floating power source is installed on the fixed base, the output end of the floating power source is connected with the floating support through the floating connecting plate, and the floating wheel is installed on the floating support.

[0012] In one embodiment of the utility model, the floating support is connected with a guide sliding plate, the guide sliding plate is connected with a sliding block, the fixed base is provided with a linear guide rail, and the sliding block and the linear guide rail are slidably connected. With the up-down movement of the floating wheel, the abrasive belt also moves, so that the floating polishing is completed. Through the flexible adjustment of the floating wheel, the abrasive belt can fully cover the workpiece surface, accurate and uniform floating polishing is realized, and the ideal polishing effect can be achieved for each part.

[0013] In one embodiment of the utility model, the floating power source is a pneumatic cylinder, an oil cylinder or an electric cylinder.

[0014] In one embodiment of the utility model, the fixed base is provided with a mounting plate, and the floating power source is installed on the mounting plate.

[0015] In one embodiment of the utility model, the driving wheel, the driven wheel and the floating wheel are located at three vertices of a triangle respectively, and the abrasive belt is sleeved on the driving wheel, the driven wheel and the floating wheel to form a triangle.

[0016] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0017] The adaptive floating type abrasive belt polisher disclosed by the utility model, including driving wheel, floating wheel, abrasive belt and driving device etc. component, fixed wheel and floating wheel act on the movement and processing of abrasive belt, driving device provides necessary power and control, ensures that the abrasive belt can effectively polish or polish the workpiece surface in the processing process; not only improve the polishing efficiency, also improve the convenience of operation and the uniformity of workpiece surface treatment, suitable for fine polishing task of various complex shape workpieces; can be integrated at the end of robot, suitable for different types of application scenarios such as polishing, polishing and deburring. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily be clearly understood, the following is according to the specific embodiment of the utility model and combining with the drawings, the utility model is further explained in detail, wherein

[0019] Figure 1 It is isometric view of adaptive floating type abrasive belt polisher in preferred embodiment of the utility model;

[0020] Figure 2 It is front view of adaptive floating type abrasive belt polisher in preferred embodiment of the utility model;

[0021] Figure 3 It is structure schematic view of connecting assembly in preferred embodiment of the utility model;

[0022] Figure 4 It is assembly drawing of locking nut, bearing one, bearing two and rotating shaft in preferred embodiment of the utility model;

[0023] Figure 5 It is structure schematic view of rotating shaft in preferred embodiment of the utility model.

[0024] The drawing of the specification is explained: fixed base 1, linear guide 11, mounting plate 12, driving motor 2, driving wheel 3, driven wheel 4, floating assembly 5, floating power source 51, floating connecting plate 52, floating support 53, guide sliding plate 531, sliding block 532, floating wheel 6, abrasive belt 7, connecting assembly 8, motor mounting seat 81, shaft coupling 82, locking nut 83, bearing one 84, bearing two 85, rotating shaft 86. DETAILED DESCRIPTION

[0025] The utility model is further explained in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0026] Reference Figure 1 , 2As shown, the self-adaptive floating type abrasive belt sander of the utility model, including: fixed base 1, drive motor 2, drive wheel 3, driven wheel 4, floating assembly 5, floating wheel 6 and abrasive belt 7 several parts;Fixed base 1 provides the stable support and installation platform of sander, for the structure of fixing and supporting the whole sander;Drive motor 2, it is set on fixed base 1;Drive wheel 3, it is connected with the output end of drive motor 2;Driven wheel 4, it is set on fixed base 1;Floating assembly 5, it is set on fixed base 1, the floating wheel 6 is connected on the floating assembly 5, the drive wheel 3, driven wheel 4 and floating wheel 6 are set with abrasive belt 7, the floating assembly 5 drives floating wheel 6 to move to realize the adjustment of the distance between abrasive belt 7 and the workpiece to be processed.The drive wheel 3, driven wheel 4 and floating wheel 6 are respectively located on the three vertices of the triangle, and the abrasive belt 7 is set on the drive wheel 3, driven wheel 4 and floating wheel 6 to form a triangle.The floating assembly 5 is the key component of the sander, which adjusts the pressure and force of the polishing mechanism through the control system to adapt to the unevenness or shape change of the workpiece surface, so as to maintain constant contact force and processing quality.

[0027] The sander of the utility model is composed of fixed wheel, floating wheel 4, abrasive belt 7 and drive motor 2, wherein the fixed wheel has two, one is drive wheel 3, and the other is driven wheel 4.Drive motor 2 controls the operation of drive wheel 3, and drive wheel 3 is located on the output shaft of drive motor 2, and drive motor 2 and drive wheel 3 are both fixed on fixed base 1.Abrasive belt 7 is installed on drive wheel 3, driven wheel 4 and floating wheel 6.Drive wheel 3 drives abrasive belt 7 to move by rotating, driven wheel 4 is responsible for maintaining the tension and trajectory of abrasive belt 7, and floating wheel 6 is adapted to the shape and size of the workpiece through floating assembly 5, so as to ensure that the abrasive belt can uniformly polish the surface of the workpiece.

[0028] Referring to Figure 3 , 4 As shown, the fixed base 1 is provided with a connecting assembly 8, and the output end of the drive motor 2 is connected with the drive wheel 3 through the connecting assembly 8.The connecting assembly 8 comprises a motor mounting seat 81, a shaft coupling 82, a locking nut 83, a bearing one 84, a bearing two 85 and a rotating shaft 86, the motor mounting seat 81 is installed on the fixed base 1, the drive motor 2 is arranged on the motor mounting seat 81, the rotating shaft 86 is installed on the fixed base 1 through the bearing one 84 and the bearing two 85, the locking nut 83 is used to limit the bearing one 84 and the bearing two 85 on the rotating shaft 86, the output end of the drive motor 2 is connected with the rotating shaft 86 through the shaft coupling 82, and the drive wheel 3 is sleeved on the end of the rotating shaft 86 away from the drive motor 2.Moreover, the drive motor 2, the rotating shaft 86 and the drive wheel 3 are coaxially arranged.The drive motor 2 and the drive wheel 3 are fixed in the fixed base 1 through the fixing device of the connecting assembly 8, so as to realize the function that the drive motor 2 controls the rotation of the drive wheel 3.

[0029] Referring to Figure 5 As shown, the rotating shaft 86 is a stepped shaft. Bearing one 84 and bearing two 85 are deep groove ball bearings.

[0030] Referring to Figure 1 , 2 As shown, the floating assembly 5 includes a floating power source 51, a floating connecting plate 52 and a floating support 53, the floating power source 51 is installed on the fixed base 1, the output end of the floating power source 51 is connected through the floating connecting plate 52 and the floating support 53, and the floating wheel 6 is installed on the floating support 53. The floating support 53 is connected with a guide sliding plate 531, the guide sliding plate 531 is connected with a sliding block 532, the fixed base 1 is provided with a linear guide rail 11, the linear guide rail 11 is arranged along the driving direction of the floating power source 51, and the sliding block 532 and the linear guide rail 11 are in sliding connection. The fixed base 1 is provided with a mounting plate 12, and the floating power source 51 is mounted on the mounting plate 12. The floating wheel 6 is connected with the floating assembly 5 and connected with the fixed base 1 through the floating support 53, the floating connecting plate 52 and the like. The floating support 53 and the floating connecting plate 52 are both provided with connecting holes, and the holes are designed to facilitate firm connection through bolts and the like. The guide rail (reference numeral 1) and the moving rod (reference numeral 2) are key components for supporting the floating wheel to move up and down. The linear guide rail 11 and the guide sliding plate 531 provide a smooth moving path, so that the floating wheel 6 can freely slide in the vertical direction. When the floating wheel 6 moves up and down, the abrasive belt 7 also moves, and this design enables the abrasive belt 7 to automatically adapt to the surface changes of the workpiece, realizing floating type polishing.

[0031] In addition, the floating power source 51 is a pneumatic cylinder, an oil cylinder or an electric cylinder. Preferably, the floating power source 51 is a pneumatic cylinder.

[0032] The self-adaptive floating type abrasive belt polisher can be integrated at the end of an industrial robot, the abrasive belt tensioning adopts force control technology, the abrasive belt tensioning force can be adjusted through a control panel, and safe remote operation can be realized. The overall structure is compact, small in size and light in weight. The main control and driving system are matched, various communication modes are supported, and the polisher can be used with a robot as soon as connected.

[0033] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments cannot be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An adaptive floating abrasive belt sander characterized by, The utility model relates to a sand belt grinding machine, including: Fixed base; Driving motor is arranged on fixed base; Driving wheel is connected with the output end of driving motor; Driven wheel is arranged on fixed base; Floating assembly is arranged on fixed base, the floating wheel is connected on floating assembly, the sand belt is sleeved on driving wheel, driven wheel and floating wheel, and floating assembly drives floating wheel to move to realize the adjustment of the distance between sand belt and workpiece to be processed.

2. The self-adapting floating abrasive belt sander according to claim 1, wherein: The output end of the driving motor is connected with the driving wheel through the connecting assembly.

3. The self-adapting floating abrasive belt sander according to claim 2, wherein: The connecting assembly includes motor mounting seat, shaft coupling, lock nut, bearing one, bearing two and rotating shaft, the motor mounting seat is installed on the fixed base, the driving motor is arranged on the motor mounting seat, the rotating shaft is installed on the fixed base through the bearing one and the bearing two, the lock nut is used to limit the bearing one and the bearing two on the rotating shaft, the output end of the driving motor is connected with the rotating shaft through the shaft coupling, and the driving wheel is sleeved on one end of the rotating shaft away from the driving motor.

4. The self-adapting floating abrasive belt sander according to claim 3, wherein: The rotating shaft is a stepped shaft.

5. The self-adapting floating abrasive belt sander according to claim 3, wherein: The driving motor, the rotating shaft and the driving wheel are coaxially arranged.

6. The self-adapting floating abrasive belt sander according to claim 1, wherein: The floating assembly includes floating power source, floating connecting plate and floating support, the floating power source is installed on the fixed base, the output end of the floating power source is connected with the floating connecting plate and the floating support, and the floating wheel is installed on the floating support.

7. The self-adapting floating abrasive belt sander according to claim 6, characterized in that: The floating support is connected with the guide sliding plate, the guide sliding plate is connected with the sliding block, the fixed base is provided with the linear guide rail, and the sliding block and the linear guide rail are connected in sliding mode.

8. The self-adapting floating abrasive belt sander according to claim 7, characterized in that: The floating power source is a pneumatic cylinder, an oil cylinder or an electric cylinder.

9. The self-adapting floating abrasive belt sander according to claim 6, wherein: The fixed base is provided with a mounting plate, and the floating power source is mounted on the mounting plate.

10. The self-adapting floating abrasive belt sander of claim 1, wherein: The driving wheel, the driven wheel and the floating wheel are located at three vertices of a triangle respectively, and the sand belt is sleeved on the driving wheel, the driven wheel and the floating wheel to form a triangular shape.

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