Abrasive belt elastic tensioning structure

Abstract

The utility model relates to the technical field of tensioning structures, and discloses an abrasive belt elastic tensioning structure which comprises a base, a mounting plate is fixedly mounted at the top of the base, a guide wheel is rotatably connected to the surface of the front side of the mounting plate, an abrasive belt is slidably connected to the outer side of the guide wheel in a sleeved mode, and a connecting piece is rotatably connected to the middle of the front side of the mounting plate through a rotating shaft. The end, close to the base, of the connecting piece is rotationally connected with a tensioning wheel. According to the elastic tensioning structure for the abrasive belt, the connecting position of the base and the mounting plate is reinforced through the reinforcing ribs, the stability of the structure can be improved, the rim of the guide wheel and the rim of the tensioning wheel are slightly higher than the middle portion, the abrasive belt can be guided, and the situation that the abrasive belt deviates in the running process is reduced; and the second mounting seat is fixedly mounted on the connecting piece, so that the tensioning wheel at the other end of the connecting piece can be always attached to the inner side of the abrasive belt, and the abrasive belt is ensured to be in a tensioning state.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tensioning structure technical field, concretely is a kind of abrasive belt elastic tensioning structure. BACKGROUND

[0002] Abrasive belt elastic tensioning structure is a structure for abrasive belt machine, the tensioning degree of abrasive belt directly influences grinding effect, wear rate and the service life of abrasive belt, the tension of abrasive belt must be appropriate, to ensure that abrasive belt does not slip or fall off when working, and elastic tensioning structure can automatically adjust tension, ensure that abrasive belt always remains in optimum state.

[0003] The layout of the elastic element structure of the conventional abrasive belt elastic tensioning structure is relatively complex, which can cause uneven distribution of tension, and the axial and radial displacement amplitudes of the tensioning wheel are large, affecting the processing quality and the service life of the abrasive belt. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an abrasive belt elastic tensioning structure to solve the problems in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: an abrasive belt elastic tensioning structure, comprising a base, the top of the base is fixedly installed with a mounting plate, the rear side of the mounting plate is fixedly installed with a reinforcing rib, the front side surface of the mounting plate is rotatably connected with a guide wheel, the outer side of the guide wheel is slidably sleeved with an abrasive belt, the front side of the mounting plate is rotatably connected with a connecting piece through an axis, the end of the connecting piece close to the base is rotatably connected with a tensioning wheel, the rear side top surface of the base is fixedly installed with a mounting block, the top of the mounting block is fixedly installed with a motor, and the output end of the motor is fixedly installed on the guide wheel close to the base.

[0008] Preferably, the reinforcing rib is triangular in shape, and there are two reinforcing ribs, which are located on the left and right sides of the base.

[0009] Preferably, the rims of the guide wheel and the tensioning wheel are slightly higher than the middle part, and the guide wheel and the tensioning wheel are located on the same plane.

[0010] Preferably, a sliding slot is formed in the middle of the mounting plate, a sliding column is rotatably connected to the inner side of the sliding slot, the top of the sliding column is fixedly installed on the rear side of the connecting piece through a third mounting seat, and a spring is sleeved on the inner side of the third mounting seat.

[0011] Preferably, the top of the connecting piece is fixedly provided with a second mounting seat, a tension spring is sleeved on the inner side of the second mounting seat, the other end of the tension spring is sleeved on a first mounting seat, and the first mounting seat is fixedly arranged on the front side of the mounting plate.

[0012] Preferably, the front side of the top of the mounting plate is fixedly provided with a support block, and the support block is in the shape of L.

[0013] Compared with the prior art, the sand belt elastic tensioning structure has the following beneficial effects: the connecting part between the base and the mounting plate is reinforced by the reinforcing ribs, so that the stability of the structure can be improved; the rims of the guide wheel and the tensioning wheel are slightly higher than the middle part, so that the sand belt can be guided, and the deviation of the sand belt during operation is reduced; the first mounting seat is provided with the second mounting seat through the tension spring, the second mounting seat is fixedly arranged on the connecting piece, so that the tensioning wheel on the other end of the connecting piece can always be attached to the inner side of the sand belt, the sand belt is ensured to be in a tensioning state, the third mounting seat is arranged on the rear side of the connecting piece, the spring is sleeved on the third mounting seat, the slide column is arranged on the rear side of the third mounting seat, and the slide column is slidingly connected in the sliding groove of the mounting plate, so that the stability of the tensioning wheel is improved during operation of the structure, the sand belt can be stably rotated, and the support block on the top of the mounting seat can ensure that the sand belt is not easy to deform during work, so that the sand belt can be kept in a good working state. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0015] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0016] Figure 3 It is a front view structure diagram of the utility model.

[0017] Figure 4 It is a connecting piece structure diagram of the utility model.

[0018] In the drawing: 1, base; 2, mounting plate; 3, reinforcing rib; 4, guide wheel; 5, sand belt; 6, support block; 7, connecting piece; 8, rotating shaft; 9, mounting block; 10, motor; 11, sliding groove; 12, slide column; 13, tensioning wheel; 14, first mounting seat; 15, tension spring; 16, second mounting seat; 17, third mounting seat; 18, spring. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1-4 As shown, this utility model provides a technical solution: an elastic tensioning structure for a sanding belt, including a base 1, an mounting plate 2 fixedly installed on the top of the base 1, a reinforcing rib 3 fixedly installed on the rear side of the mounting plate 2, a guide wheel 4 rotatably connected to the front surface of the mounting plate 2, a sanding belt 5 slidably sleeved on the outer side of the guide wheel 4, a connector 7 rotatably connected to the middle of the front side of the mounting plate 2 through a rotating shaft 8, a tensioning wheel 13 rotatably connected to one end of the connector 7 near the base 1, an mounting block 9 fixedly installed on the top surface of the rear side of the base 1, a motor 10 fixedly installed on the top of the mounting block 9, and the output end of the motor 10 fixedly installed on the guide wheel 4 near the side of the base 1.

[0021] Furthermore, the reinforcing rib 3 is triangular in shape, and there are two reinforcing ribs 3 located on the left and right sides of the base 1.

[0022] Specifically, the triangular-shaped reinforcing rib 3 has high compressive and tensile strength, which can improve the stability of the entire structure during operation.

[0023] Furthermore, the rims of the guide wheel 4 and the tension wheel 13 are slightly higher than the middle part, and the guide wheel 4 and the tension wheel 13 are located on the same plane.

[0024] Specifically, the structure of the guide wheel 4 and the tension wheel 13 can provide guidance for the sanding belt 5 and prevent the sanding belt from deviating.

[0025] Furthermore, a groove 11 is provided in the middle of the mounting plate 2, and a sliding column 12 is rotatably connected to the inner side of the groove 11. The top of the sliding column 12 is fixedly installed on the rear side of the connector 7 through a third mounting seat 17, and a spring 18 is sleeved on the inner side of the third mounting seat 17.

[0026] Specifically, the third mounting base 17 and the spring 18 can keep the tension wheel 13 stable when the sanding belt 5 rotates, reduce axial displacement, and improve overall stability.

[0027] Furthermore, a second mounting base 16 is fixedly installed on the top of the connector 7, and a tension spring 15 is sleeved on the inner side of the second mounting base 16. The other end of the tension spring 15 is sleeved on the first mounting base 14, and the first mounting base 14 is fixedly installed on the front side of the mounting plate 2.

[0028] Specifically, the tension spring 15 and the connecting piece 7 can make the tension wheel 13 always adhere to the inner side of the abrasive belt 5 when the abrasive belt 5 rotates, so that the abrasive belt 5 is always in a tension state.

[0029] Further, the support block 6 is fixedly installed on the top front side of the mounting plate 2, and the support block 6 is L-shaped and located below the abrasive belt 5.

[0030] Specifically, the support block 6 can serve as a support structure of the abrasive belt 5, so that the abrasive belt is not easy to deform during work and maintains a good working state.

[0031] Working principle: first, the mounting plate 2 is fixedly installed on the top of the base 1, the three guide wheels 4 are rotationally connected to the front side of the mounting plate 2, the connecting piece 7 is rotationally connected to the middle part of the mounting plate 2 through the rotating shaft 8, the tension wheel 13 is rotationally connected to the end of the connecting piece 7 close to the base 1, the guide wheel 4 and the tension wheel 13 are located on the same plane, the first mounting seat 14 and the second mounting seat 16 are installed on the end of the connecting piece 7 away from the base 1, and the tension spring 15 is installed on the first mounting seat 14 and the second mounting seat 16, so that the tension wheel 13 always adheres to the inner side of the abrasive belt 5, the radial displacement of the tension wheel 13 caused by vibration is reduced, the stability of the overall structure is improved, the spring 18 is sleeved on the bottom rear side of the connecting piece 7 through the third mounting seat 17, the third mounting seat 17 is fixedly installed on the rear side of the connecting piece 7, the slide column 12 is slidingly connected to the inner side of the sliding groove 11 of the mounting plate 2, the spring 18 can reduce the axial displacement of the tension wheel 13, the slide column 12 and the sliding groove 11 can reduce the loosening of the connecting piece 7 after long-term use, the stability of the structure is improved, and the support block 6 on the inner bottom side of the abrasive belt 5 can provide a support structure, so that the abrasive belt 5 is not easy to deform during work and maintains a good working state.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sand belt elastic tensioning structure comprising a base (1), characterized in that: The bottom (1) top fixed mounting plate (2), the mounting plate (2) of the rear side fixed mounting reinforcing rib (3), the mounting plate (2) front side surface rotatingly connected with the guide wheel (4), the guide wheel (4) outside sliding sleeve with sand belt (5), the mounting plate (2) front side middle through the rotating shaft (8) rotatingly connected with the connecting piece (7), the connecting piece (7) close to the bottom (1) one end rotatingly connected with the tightener (13), the bottom (1) rear side top fixed mounting mounting block (9), the mounting block (9) top fixed mounting motor (10), the output end of the motor (10) fixed mounting in close to the bottom (1) one side of the guide wheel (4), the guide wheel (4) and tightener (13) rim slightly higher than the middle part, the guide wheel (4) and tightener (13) are located in the same plane, the mounting plate (2) middle opening has a sliding slot (11), the sliding slot (11) inner rotatingly connected with the slide column (12), the slide column (12) top through the third mounting seat (17) fixedly installed in the connecting piece (7) rear side, the third mounting seat (17) inside sleeve spring (18), the connecting piece (7) top fixed mounting second mounting seat (16), the second mounting seat (16) inside sleeve spring (15), the other end of the spring (15) sleeve in the first mounting seat (14), the first mounting seat (14) fixedly installed in the mounting plate (2) front side.

2. The elastic tightening structure of the abrasive belt according to claim 1, wherein: The reinforcing rib (3) is triangular, the reinforcing rib (3) has two, the reinforcing rib (3) is located on the left and right sides of the bottom (1).

3. The elastic tightening structure of the abrasive belt according to claim 1, wherein: The mounting plate (2) top front side fixed mounting support block (6), the support block (6) is L type, the support block (6) is located below the sand belt (5).

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