Abrasive belt polishing machine

Abstract

The utility model provides an abrasive belt polishing machine. The abrasive belt polishing machine comprises an abrasive belt, a driving wheel, a first driven wheel, a second driven wheel, a supporting frame, a position adjusting mechanism, a first driving mechanism, a mounting plate and a second driving mechanism. The driving wheel, the first driven wheel and the second driven wheel are rotationally arranged on one face of the mounting plate, the driving wheel, the first driven wheel and the second driven wheel are distributed in a triangular shape, and the driving wheel, the first driven wheel and the second driven wheel are sleeved with the abrasive belt; the first driving mechanism is arranged on the mounting plate and is connected with the driving wheel; the mounting plate is slidably assembled and connected with the position adjusting mechanism, and the second driving mechanism is connected with the mounting plate; the position adjusting mechanism is arranged on the supporting frame. The abrasive belt has the advantages that the requirement for machining the upper fillet face and the lower fillet face of the road edge stone with the inclined face can be well met, the contact area of the abrasive belt and the fillet faces of the road edge stone is large, and the abrasive belt is beneficial to improving the polishing machining efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to stone processing equipment technical field, especially a kind of abrasive belt polishing machine.

BACKGROUND

[0002] Curbstone, also known as kerbstone, is generally used as the boundary stone of road edge, also known as kerbstone or curbstone, which is the boundary between carriageway, footway, greenbelt, isolation belt and other parts of road, to ensure the safety of pedestrians and vehicle traffic and ensure the neatness of road edge.

[0003] Curbstone needs to be polished on the surface during production, such as the automatic curbstone processing device and its use method disclosed in Chinese patent application No.

[0004] However, there are also curbstones with inclined surfaces in the prior art, such as Figure 8 As shown in the figure, the right upper part of the curbstone 100' has an inclined surface 101', and the upper and lower ends of the inclined surface 101' are formed with a round corner surface 102' for transition. Because the inclined surface 101' will hinder the reciprocating swing of the polishing wheel, the structure of the prior art, which uses a reciprocating swing mechanism to drive the polishing wheel to reciprocate, cannot meet the processing requirements of the round corner surfaces at the upper and lower ends of the inclined surface. In view of the above problems, the present inventors have conducted in-depth research on the problem, and thus the present case has been produced.

UTILITARY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide an abrasive belt polishing machine to solve the problem that the structure of the prior art, which uses a reciprocating swing mechanism to drive the polishing wheel to reciprocate, cannot meet the processing requirements of the round corner surfaces at the upper and lower ends of the inclined surface.

[0006] The utility model is implemented as follows: an abrasive belt polishing machine, comprising an abrasive belt, a driving wheel, a first driven wheel, a second driven wheel, a support frame, a position adjusting mechanism, a first driving mechanism, a mounting plate and a second driving mechanism;

[0007] The driving wheel, the first driven wheel and the second driven wheel are rotationally arranged on one side of the mounting plate, and are arranged in a triangular shape, and the abrasive belt is sleeved on the driving wheel, the first driven wheel and the second driven wheel; the first driving mechanism is arranged on the mounting plate, and is connected with the driving wheel, and drives the driving wheel to drive the abrasive belt to transmit power through the first driving mechanism; the mounting plate is slidably connected with the position adjusting mechanism, and the second driving mechanism is connected with the mounting plate, and drives the mounting plate to slide through the second driving mechanism; and the position adjusting mechanism is arranged on the support frame.

[0008] Further, the adjusting plate, the swing rod, the tension spring and the tension spring connecting plate are further included; the driving wheel is located in the middle of the mounting plate, and the adjusting plate and the swing rod are respectively located on both sides of the driving wheel;

[0009] The upper end of the adjusting plate is provided with a first long-strip-shaped adjusting hole in a direction perpendicular to the sliding direction of the mounting plate, the upper end of the adjusting plate is locked and connected with the mounting plate through at least one first locking piece penetrating through the first long-strip-shaped adjusting hole, the lower end of the adjusting plate extends out of the mounting plate, and the first driven wheel is rotationally arranged at the lower end of the adjusting plate; the middle part of the swing rod is rotationally connected with the mounting plate, the lower end of the swing rod extends out of the mounting plate, and the second driven wheel is rotationally arranged at the lower end of the swing rod, and the abrasive belt forms a polishing section between the first driven wheel and the second driven wheel; the tension spring connecting plate is provided with a second long-strip-shaped adjusting hole in a direction perpendicular to the sliding direction of the mounting plate, the tension spring connecting plate is locked and connected with the mounting plate through at least one second locking piece penetrating through the second long-strip-shaped adjusting hole, one end of the tension spring is connected with the tension spring connecting plate, and the other end of the tension spring is connected with the upper end of the swing rod.

[0010] Further, the position adjusting mechanism includes a horizontal adjusting assembly, a vertical adjusting assembly and a rotating adjusting assembly;

[0011] The vertical adjusting assembly is connected with the support frame through the horizontal adjusting assembly, and the mounting plate is connected with the vertical adjusting assembly through the rotating adjusting assembly;

[0012] Or the horizontal adjusting assembly is connected with the support frame through the vertical adjusting assembly, and the mounting plate is connected with the horizontal adjusting assembly through the rotating adjusting assembly.

[0013] Further, the rotation adjusting assembly comprises a rotating disc, a box, a plurality of locking bolts and a plurality of locking nuts; the mounting plate is slidably connected with the box, the box is formed with an avoiding opening on a side facing the mounting plate along a sliding direction of the mounting plate, and the first driving mechanism is located in the interior of the box; the rotating disc is arranged on a side of the box facing away from the mounting plate, a limiting sliding groove is annularly arranged on a side of the rotating disc facing the box, the head of each locking bolt is slidably arranged in the limiting sliding groove, and the other end of each locking bolt is inserted into the box and locked by the locking nut.

[0014] Further, the two sides of the side of the box facing the mounting plate are slidably connected with the mounting plate through the first linear guide rail and the first sliding block, and the second driving mechanism is a driving cylinder arranged in the middle of the box and connected with the mounting plate.

[0015] Further, the limiting sliding groove is a T-shaped groove, and the limiting sliding groove is provided with a bolt head insertion hole.

[0016] Further, the top of the box is provided with a cover plate, and the cover plate is detachably connected with the box.

[0017] Further, the horizontal adjusting assembly comprises a first screw rod arranged to rotate along a horizontal direction, a first driving motor connected with one end of the first screw rod, a first nut seat screwed on the first screw rod, second linear guide rails arranged on both sides of the first screw rod along the horizontal direction, and a second sliding block slidably connected with the second linear guide rail.

[0018] Further, the vertical adjusting assembly comprises a second screw rod arranged to rotate along a vertical direction, a second driving motor connected with one end of the second screw rod, a second nut seat screwed on the second screw rod, third linear guide rails arranged on both sides of the second screw rod along the vertical direction, and a third sliding block slidably connected with the third linear guide rail.

[0019] Further, the protective cover is arranged outside the mounting plate, the driving wheel is located in the interior of the protective cover, and the first driven wheel and the second driven wheel are located outside the protective cover.

[0020] By adopting the technical scheme of the utility model, at least the following beneficial effects are achieved:

[0021] 1. By setting the driving wheel, the first driven wheel and the second driven wheel in a triangular distribution on one side of the mounting plate, and setting the abrasive belt on the driving wheel, the first driven wheel and the second driven wheel, connecting the first driving mechanism with the driving wheel, slidingly setting the mounting plate on the position adjusting mechanism, and connecting the second driving mechanism with the mounting plate, so that in specific work, the position of the abrasive belt can be adjusted by the position adjusting mechanism, so that the abrasive belt can be accurately aligned with the curbstone; the second driving mechanism can drive the mounting plate to slide, so as to drive the abrasive belt to contact and fit with the position to be polished of the curbstone or make the abrasive belt away from the curbstone; and the first driving mechanism can drive the abrasive belt to transmit, so that the abrasive belt can polish the curbstone. Compared with the existing structure of reciprocating swing mechanism driving the polishing wheel to reciprocate, since the abrasive belt of the utility model has good flexibility, and after adjusting the position of the abrasive belt and making the abrasive belt contact with the curbstone, only the first driving mechanism is needed to drive the abrasive belt to transmit, so that the processing requirements of the upper and lower two fillet surfaces of the curbstone with inclined surface can be well met, and the contact area of the abrasive belt with the fillet surface of the curbstone is large, which helps to improve the polishing processing efficiency.

[0022] 2. By designing the abrasive belt polisher further comprising an adjusting plate, a swing rod, a tension spring and a tension spring connecting plate, rotatably connecting the middle part of the swing rod with the mounting plate, adjustably connecting the upper end of the swing rod with the mounting plate through the tension spring and the tension spring connecting plate, and rotatably setting the second driven wheel at the lower end of the swing rod, so that in the process of use, the inclination angle of the swing rod can be adjusted by the second long strip-shaped adjusting hole of the tension spring connecting plate, and the second driven wheel can be slightly adjusted by floating in the process of processing due to the setting of the tension spring; and adjustably connecting the upper end of the adjusting plate with the mounting plate, so that in the process of use, the position of the first driven wheel can be adjusted by the adjusting plate; therefore, by adopting the above structural design of the utility model, the polishing section formed between the first driven wheel and the second driven wheel can be better adapted to the fillet surface of the curbstone, so as to ensure the polishing effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model will be further described in combination with the embodiments with reference to the drawings.

[0024] Figure 1 is one of the structure diagram of the abrasive belt polisher of the utility model (the horizontal adjusting assembly is connected with the support frame through the vertical adjusting assembly);

[0025] Figure 2 is one of the structure diagram of the abrasive belt polisher of the utility model (the vertical adjusting assembly is connected with the support frame through the horizontal adjusting assembly);

[0026] Figure 3is the structural diagram of the sand belt polishing machine after removing the protective cover, the horizontal adjusting assembly and the vertical adjusting assembly in the utility model;

[0027] Figure 4 is the structural diagram of the rotating adjusting assembly in the utility model;

[0028] Figure 5 is the structural diagram of the mounting plate in the utility model;

[0029] Figure 6 is the structural diagram of the horizontal adjusting assembly in the utility model;

[0030] Figure 7 is the structural diagram of the vertical adjusting assembly in the utility model;

[0031] Figure 8 is the structural diagram of the curbstone with inclined surface.

[0032] Explanation of reference signs:

[0033] Curbstone 100', inclined surface 101', round corner surface 102';

[0034] Sand belt polishing machine 100;

[0035] Sand belt 1, polishing section 11;

[0036] Driving wheel 21, first driven wheel 22, second driven wheel 23;

[0037] Support frame 3;

[0038] Position adjusting mechanism 4, horizontal adjusting assembly 41, first lead screw 411, first nut seat 412, second linear guide rail 413, second sliding block 414, vertical adjusting assembly 42, second lead screw 421, second nut seat 422, third linear guide rail 423, third sliding block 424, rotating adjusting assembly 43, rotating disc 431, limiting sliding groove 4311, bolt head insertion hole 431a, box body 432, avoiding opening 4321, cover plate 4322, locking bolt 433, locking nut 434;

[0039] First driving mechanism 5;

[0040] Mounting plate 6;

[0041] Second driving mechanism 7;

[0042] Adjusting plate 81, first long strip-shaped adjusting hole 811, swing rod 82, tension spring 83, tension spring connecting plate 84, second long strip-shaped adjusting hole 841;

[0043] First linear guide rail 91, first sliding block 92;

[0044] Protective cover 10. DETAILED DESCRIPTION

[0045] In order to better understand the technical scheme of the utility model, the technical scheme of the utility model will be explained in detail in combination with the drawings of the specification and specific implementation manners.

[0046] It needs to be explained here that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing these implementation manners and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features.

[0047] Please refer to Figures 1 to 7 The utility model discloses a kind of abrasive belt polishing machines 100, the abrasive belt polishing machine 100 includes abrasive belt 1, driving wheel 21, first driven wheel 22, second driven wheel 23, support frame 3, position adjusting mechanism 4, first driving mechanism 5, mounting plate 6 and second driving mechanism 7;Wherein, the abrasive belt 1 is used to realize to road curbstone is polished and polished;The driving wheel 21, first driven wheel 22 and second driven wheel 23 are used to drive abrasive belt 1 transmission;The support frame 3 is used to realize to each component is supported;The position adjusting mechanism 4 is used to adjust the position of abrasive belt 1;The first driving mechanism 5 is used to provide power to the transmission of abrasive belt 1;The mounting plate 6 is used to meet the installation demand of driving wheel 21, first driven wheel 22, second driven wheel 23, first driving mechanism 5 etc.;The second driving mechanism 7 is used to drive mounting plate 6 to slide, to drive abrasive belt 1 to approach or away from road curbstone in turn.

[0048] The driving wheel 21, the first driven wheel 22 and the second driven wheel 23 are rotationally arranged on one side of the mounting plate 6, and are arranged in a triangular shape; the abrasive belt 1 is sleeved on the driving wheel 21, the first driven wheel 22 and the second driven wheel 23, so that the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 drive the abrasive belt 1 to transmit power; the first driving mechanism 5 is arranged on the mounting plate 6 and connected with the driving wheel 21, so that the first driving mechanism 5 drives the driving wheel 21 to drive the abrasive belt 1 to transmit power, and the abrasive belt 1 can polish the curbstone during transmission; the mounting plate 6 is slidably connected with the position adjusting mechanism 4, and the second driving mechanism 7 is connected with the mounting plate 6, so that the second driving mechanism 7 drives the mounting plate 6 to slide, and then drives the abrasive belt 1 to contact the position to be polished of the curbstone or drives the abrasive belt 1 to move away from the curbstone; and the position adjusting mechanism 4 is arranged on the support frame 3 to support the position adjusting mechanism 4.

[0049] The driving wheel 21, the first driven wheel 22 and the second driven wheel 23 are rotationally arranged on one side of the mounting plate 6, and are arranged in a triangular shape; the abrasive belt 1 is sleeved on the driving wheel 21, the first driven wheel 22 and the second driven wheel 23, so that the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 drive the abrasive belt 1 to transmit power; the first driving mechanism 5 is arranged on the mounting plate 6 and connected with the driving wheel 21, so that the first driving mechanism 5 drives the driving wheel 21 to drive the abrasive belt 1 to transmit power, and the abrasive belt 1 can polish the curbstone during transmission; the mounting plate 6 is slidably connected with the position adjusting mechanism 4, and the second driving mechanism 7 is connected with the mounting plate 6, so that the second driving mechanism 7 drives the mounting plate 6 to slide, and then drives the abrasive belt 1 to contact the position to be polished of the curbstone or drives the abrasive belt 1 to move away from the curbstone; and the position adjusting mechanism 4 is arranged on the support frame 3 to support the position adjusting mechanism 4.

[0050] In some embodiments of the utility model, please refer to Figure 3 The driving wheel 21 is located in the middle of the mounting plate 6, the adjusting plate 81 and the swing rod 82 are located on both sides of the driving wheel 21 respectively,

[0051] The upper end of the adjusting plate 81 is provided with a first long strip-shaped adjusting hole 811 along a direction perpendicular to the sliding direction of the mounting plate 6, the upper end of the adjusting plate 81 is connected with the mounting plate 6 through at least one first locking piece (not shown) penetrating through the first long strip-shaped adjusting hole 811, the first locking piece can be a bolt in particular, the lower end of the adjusting plate 81 extends out of the mounting plate 6, so that the mounting plate 6 does not interfere with the processing of the curbstone, and the first driven wheel 22 is rotationally arranged at the lower end of the adjusting plate 81; the middle part of the swing rod 82 is rotationally connected with the mounting plate 6, that is, the swing rod 82 can rotate relative to the mounting plate 6, the lower end of the swing rod 82 extends out of the mounting plate 6, so that the mounting plate 6 does not interfere with the processing of the curbstone, and the second driven wheel 23 is rotationally arranged at the lower end of the swing rod 82, the abrasive belt 1 forms a polishing section 11 between the first driven wheel 22 and the second driven wheel 23, so as to polish the rounded surface of the curbstone by using the polishing section 11; the tension spring connecting plate 84 is provided with a second long strip-shaped adjusting hole 841 along a direction perpendicular to the sliding direction of the mounting plate 6, the tension spring connecting plate 84 is connected with the mounting plate 6 through at least one second locking piece (not shown) penetrating through the second long strip-shaped adjusting hole 841, the second locking piece can be a bolt in particular, one end of the tension spring 83 is connected with the tension spring connecting plate 84, and the other end of the tension spring 83 is connected with the upper end of the swing rod 82.

[0052] The utility model discloses a sand belt polishing machine 100 still includes adjusting plate 81, swing rod 82, tension spring 83 and tension spring connecting plate 84, and the middle part of swing rod 82 is rotationally connected with mounting plate 6, the upper end of swing rod 82 is adjustably connected with mounting plate 6 through tension spring 83 and tension spring connecting plate 84, and the second driven wheel 23 is rotationally arranged at the lower end of swing rod 82, so that not only the second long strip-shaped adjusting hole 841 of tension spring connecting plate 84 can be used to adjust the inclination angle of swing rod 82 during use, but also the second driven wheel 23 can be slightly adjusted during processing by the setting of tension spring 83, and the upper end of adjusting plate 81 is adjustably connected with mounting plate 6, so that the position of first driven wheel 22 can be adjusted by adjusting plate 81 during use, therefore, by the above structural design of the utility model, the polishing section 11 formed between first driven wheel 22 and second driven wheel 23 can better adapt to the rounded surface of curbstone, so as to guarantee the polishing effect.

[0053] In some embodiments of the utility model, in order to more accurately adjust the position of the abrasive belt 1, the position adjusting mechanism 4 includes a horizontal adjusting assembly 41, a vertical adjusting assembly 42 and a rotating adjusting assembly 43, wherein:

[0054] The first embodiment is that the vertical adjusting assembly 42 is connected with the support frame 3 through the horizontal adjusting assembly 41, and the mounting plate 6 is connected with the vertical adjusting assembly 42 through the rotating adjusting assembly 43.

[0055] The second embodiment is that the horizontal adjusting assembly 41 is connected with the support frame 3 through the vertical adjusting assembly 42, and the mounting plate 6 is connected with the horizontal adjusting assembly 41 through the rotating adjusting assembly 43. Of course, the above is only two preferred embodiments of the present application, but the present application is not limited to this, and other connection modes can be used according to actual needs in specific implementation.

[0056] In some embodiments of the present application, please refer to Figure 3 and Figure 4 The rotating adjusting assembly 43 comprises a rotating disc 431, a box body 432, a plurality of locking bolts 433 and a plurality of locking nuts 434. The mounting plate 6 is connected with the box body 432 in a sliding manner, so that the mounting plate 6 can slide relative to the box body 432. The box body 432 is formed with an avoiding opening 4321 on a side facing the mounting plate 6 along the sliding direction of the mounting plate 6. The first driving mechanism 5 is located in the interior of the box body 432. The avoiding opening 4321 is used for avoiding the first driving mechanism 5, and the first driving mechanism 5 can move together with the mounting plate 6. The rotating disc 431 is arranged on a side of the box body 432 facing away from the mounting plate 6. The rotating disc 431 is annularly provided with a limiting sliding groove 4311 on a side facing the box body 432. The head of each locking bolt 433 is slidingly assembled in the limiting sliding groove 4311. The other end of each locking bolt 433 is inserted into the box body 432 and locked by the locking nut 434.

[0057] The present application comprises the box body 432 in the rotating adjusting assembly 43, and the first driving mechanism 5 is installed in the interior of the box body 432, so that the box body 432 can protect the first driving mechanism 5 during use. Meanwhile, the limiting sliding groove 4311 is annularly arranged on the rotating disc 431, the head of the locking bolt 433 is slidingly assembled in the limiting sliding groove 4311, and the other end of the locking bolt 433 is inserted into the box body 432 and locked by the locking nut 434. During use, when the mounting plate 6 needs to be rotated, the locking nut 434 is loosened, so that the head of the locking bolt 433 can slide in the limiting sliding groove 4311, and the box body 432 and the mounting plate 6 can be rotated. After the rotating adjusting operation is completed, the locking nut 434 is tightened, so that the head of the locking bolt 433 cannot continue to slide along the limiting sliding groove 4311.

[0058] In some embodiments of the utility model, the two sides of the box body 432 facing one side of the mounting plate 6 are slidably assembled with the mounting plate 6 through the first linear guide rail 91 and the first sliding block 92, and the second driving mechanism 7 is a driving cylinder arranged in the middle of the box body 432 and connected with the mounting plate 6.

[0059] The utility model discloses a second driving mechanism 7 is arranged in the middle of the box body 432 and connected with the mounting plate 6, and the first linear guide rail 91 and the first sliding block 92 are arranged between the two sides of the mounting plate 6 and the box body 432, so that the mounting plate 6 can slide more stably under the driving of the second driving mechanism 7 during specific work.

[0060] More specifically, the limiting sliding groove 4311 is a T-shaped groove, which can well limit the head of the locking bolt 433 and ensure that the head of the locking bolt 433 can slide in the limiting sliding groove 4311, and the limiting sliding groove 4311 is provided with a bolt head insertion hole 431a to facilitate the assembly of the head of the locking bolt 433 into the limiting sliding groove 4311.

[0061] More specifically, the top of the box body 432 is provided with a cover plate 4322, and the cover plate 4322 is detachably connected with the box body 432, which can be detachably connected together by screws or bolts. Because the other end of the locking bolt 433 is inserted into the box body 432 and locked by the locking nut 434, the cover plate 4322 can be easily opened when the mounting plate 6 needs to be rotated and adjusted by designing the box body 432 with a detachable cover plate 4322.

[0062] In some embodiments of the utility model, please refer to Figure 6As shown, the horizontal adjusting assembly 41 comprises a first screw rod 411 arranged in rotation along a horizontal direction, a first driving motor (not shown) connected with one end of the first screw rod 411, a first nut seat 412 screwed on the first screw rod 411, a second linear guide rail 413 arranged on both sides of the first screw rod 411 along a horizontal direction, and a second sliding block 414 slidingly assembled with the second linear guide rail 413, wherein the first screw rod 411 is rotationally assembled with the support frame 3 or the vertical adjusting assembly 42, and the first nut seat 412 is connected with the vertical adjusting assembly 42 or the rotating adjusting assembly 43. In working, the first driving motor drives the first screw rod 411 to rotate, and the first screw rod 411 drives the first nut seat 412 to move horizontally in the process of rotation, thereby driving the mounting plate 6, the abrasive belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to move horizontally for adjusting; meanwhile, the second linear guide rail 413 and the second sliding block 414 on both sides of the first screw rod 411 can ensure the stability of horizontal movement.

[0063] Further, please refer to Figure 7 As shown, the vertical adjusting assembly 42 comprises a second screw rod 421 arranged in rotation along a vertical direction, a second driving motor (not shown) connected with one end of the second screw rod 421, a second nut seat 422 screwed on the second screw rod 421, a third linear guide rail 423 arranged on both sides of the second screw rod 421 along a vertical direction, and a third sliding block 424 slidingly assembled with the third linear guide rail 423, wherein the second screw rod 421 is rotationally assembled with the support frame 3 or the horizontal adjusting assembly 41, and the second nut seat 422 is connected with the horizontal adjusting assembly 41 or the rotating adjusting assembly 43. In working, the second driving motor drives the second screw rod 421 to rotate, and the second screw rod 421 drives the second nut seat 422 to move vertically in the process of rotation, thereby driving the mounting plate 6, the abrasive belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to move vertically for adjusting; meanwhile, the third linear guide rail 423 and the third sliding block 424 on both sides of the second screw rod 421 can ensure the stability of vertical movement.

[0064] The sand belt polishing machine 100 can realize five aspects of adjustment in the specific use process: the first aspect is that the horizontal adjusting assembly 41 of the position adjusting mechanism 4 drives the mounting plate 6 and the sand belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to be adjusted in the horizontal position as a whole; the second aspect is that the vertical adjusting assembly 42 of the position adjusting mechanism 4 drives the mounting plate 6 and the sand belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to be adjusted in the vertical height position as a whole; the third aspect is that the rotating adjusting assembly 43 of the position adjusting mechanism 4 drives the mounting plate 6 and the sand belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to be adjusted in the rotating position as a whole; the fourth aspect is that the second driving mechanism 7 drives the mounting plate 6 and the sand belt 1, the driving wheel 21, the first driven wheel 22 and the second driven wheel 23 to slide as a whole; and the fifth aspect is that the adjusting plate 81 and the swing rod 82 drive the first driven wheel 22 and the second driven wheel 23 to be adjusted in the position, so that the polishing section 11 formed between the first driven wheel 22 and the second driven wheel 23 can well adapt to the polishing machining requirement of different round corner surfaces of the road curb stone.

[0065] Further, the sand belt polishing machine 100 further comprises a protective cover 10 arranged outside the mounting plate 6, the driving wheel 21 is located inside the protective cover 10, and the first driven wheel 22 and the second driven wheel 23 are both located outside the protective cover 10. Since the polishing section 11 is formed between the first driven wheel 22 and the second driven wheel 23, it is necessary to expose the first driven wheel 22 and the second driven wheel 23 outside the protective cover 10 to avoid interference with the polishing machining of the road curb stone.

[0066] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that the specific examples described by us are only illustrative, and are not used to limit the scope of the utility model, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the utility model should be covered in the scope of protection of the claims of the utility model.

Claims

1. A belt sander characterized by: The belt sander comprises a sand belt, a driving wheel, a first driven wheel, a second driven wheel, a support frame, a position adjusting mechanism, a first driving mechanism, a mounting plate and a second driving mechanism. The driving wheel, the first driven wheel and the second driven wheel are rotationally arranged on one side of the mounting plate and are arranged in a triangular shape, and the sand belt is sleeved on the driving wheel, the first driven wheel and the second driven wheel; the first driving mechanism is arranged on the mounting plate and connected with the driving wheel, and the driving wheel drives the sand belt to transmit power through the first driving mechanism; the mounting plate is slidably connected with the position adjusting mechanism, and the second driving mechanism is connected with the mounting plate and drives the mounting plate to slide through the second driving mechanism; and the position adjusting mechanism is arranged on the support frame.

2. The belt sander as set forth in claim 1, wherein: The belt sander further comprises an adjusting plate, a swing rod, a tension spring and a tension spring connecting plate; the driving wheel is located in the middle of the mounting plate, and the adjusting plate and the swing rod are respectively located on both sides of the driving wheel. The upper end of the adjusting plate is provided with a first long-strip-shaped adjusting hole in a direction perpendicular to the sliding direction of the mounting plate, the upper end of the adjusting plate is locked and connected with the mounting plate through at least one first locking piece penetrating through the first long-strip-shaped adjusting hole, the lower end of the adjusting plate extends out of the mounting plate, and the first driven wheel is rotationally arranged at the lower end of the adjusting plate; the middle part of the swing rod is rotationally connected with the mounting plate, the lower end of the swing rod extends out of the mounting plate, the second driven wheel is rotationally arranged at the lower end of the swing rod, and the sand belt forms a polishing section between the first driven wheel and the second driven wheel; the tension spring connecting plate is provided with a second long-strip-shaped adjusting hole in a direction perpendicular to the sliding direction of the mounting plate, the tension spring connecting plate is locked and connected with the mounting plate through at least one second locking piece penetrating through the second long-strip-shaped adjusting hole, one end of the tension spring is connected with the tension spring connecting plate, and the other end of the tension spring is connected with the upper end of the swing rod.

3. The belt sander of claim 1, wherein: The position adjusting mechanism comprises a horizontal adjusting assembly, a vertical adjusting assembly and a rotation adjusting assembly. The vertical adjusting assembly is connected with the support frame through the horizontal adjusting assembly, and the mounting plate is connected with the vertical adjusting assembly through the rotation adjusting assembly. Alternatively, the horizontal adjusting assembly is connected with the support frame through the vertical adjusting assembly, and the mounting plate is connected with the horizontal adjusting assembly through the rotation adjusting assembly.

4. The belt sander of claim 3 wherein: The rotation adjusting assembly comprises a rotating disc, a box, a plurality of locking bolts and a plurality of locking nuts; the mounting plate is slidably connected with the box, the box is formed with an avoiding opening on the side facing the mounting plate along the sliding direction of the mounting plate, and the first driving mechanism is located in the interior of the box; the rotating disc is arranged on the side of the box facing away from the mounting plate, the rotating disc is annularly provided with a limiting sliding groove on the side facing the box, the head of each locking bolt is slidably arranged in the limiting sliding groove, and the other end of each locking bolt is inserted into the box and locked through the locking nut.

5. The belt sander of claim 4, wherein: The two sides of the side of the box facing the mounting plate are slidably connected with the mounting plate through the first linear guide rail and the first sliding block, and the second driving mechanism is a driving cylinder arranged in the middle of the box and connected with the mounting plate.

6. The belt sander of claim 4 wherein: The limiting sliding groove is a T-shaped groove, and a bolt head insertion hole is arranged in the limiting sliding groove.

7. The belt sander of claim 4 wherein: The top of the box body is provided with a cover plate, and the cover plate is detachably connected with the box body.

8. The belt sander of claim 3 wherein: The horizontal adjusting assembly comprises a first screw rod arranged in rotation along a horizontal direction, a first driving motor connected with one end of the first screw rod, a first nut seat screwed on the first screw rod, second linear guides arranged along the horizontal direction on both sides of the first screw rod, and a second sliding block slidably assembled with the second linear guides.

9. The belt sander of claim 3 wherein: The vertical adjusting assembly comprises a second screw rod arranged in rotation along a vertical direction, a second driving motor connected with one end of the second screw rod, a second nut seat screwed on the second screw rod, third linear guides arranged along the vertical direction on both sides of the second screw rod, and a third sliding block slidably assembled with the third linear guides.

10. A belt sander as claimed in any one of claims 1 to 9, characterized in that: Further comprising a protective cover arranged outside the mounting plate, the driving wheel is located inside the protective cover, and the first driven wheel and the second driven wheel are both located outside the protective cover.

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