CN216422076U

CN216422076U - Belt wheel assembly and belt sander comprising same

Info

Publication number: CN216422076U
Application number: CN202122798505.5U
Authority: CN
Inventors: 付永林
Original assignee: Zhongshan Qishan Machinery Equipment Co ltd
Current assignee: Zhongshan Qishan Machinery Equipment Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-03
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a band pulley subassembly and contain its abrasive band machine, band pulley subassembly it includes: a support portion; a driving wheel arranged on the supporting part; the auxiliary wheel is connected with the supporting part through an adjusting device, and the adjusting device is configured to be capable of adjusting the distance between the auxiliary wheel and the driving wheel and the included angle between the axis K of the auxiliary wheel and the axis L of the driving wheel. The belt wheel assembly and the belt sander comprising the same have rich adjusting functions.

Description

Belt wheel assembly and belt sander comprising same

Technical Field

The utility model relates to a throw grinding equipment technical field, in particular to band pulley subassembly and contain its abrasive band machine.

Background

The prior abrasive belt machine realizes the grinding or polishing of a workpiece through the movement of an abrasive belt. Typically, the belt is mounted to a pulley assembly of the belt sander. The belt wheel assembly comprises a driving wheel and an auxiliary wheel, one end of the abrasive belt is sleeved on the driving wheel, the other end of the abrasive belt is sleeved on the auxiliary wheel, and the driving wheel rotates under the driving of the motor, so that the abrasive belt is driven to circularly reciprocate on the driving wheel and the auxiliary wheel. In order to achieve tensioning of the sanding belt and to facilitate loading and unloading of the sanding belt, the distance of the auxiliary wheel with respect to the drive wheel is usually adjustable. However, this adjustment method is relatively simple and cannot achieve a richer adjustment function.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a band pulley subassembly, regulatory function is abundant.

The utility model discloses still provide an abrasive band machine with above-mentioned band pulley assembly.

According to the utility model discloses a band pulley assembly of first aspect embodiment, it includes: a support portion; a drive wheel provided to the support portion; the auxiliary wheel is connected with the supporting part through an adjusting device, and the adjusting device is configured to be capable of adjusting the distance between the auxiliary wheel and the driving wheel and the included angle between the axis K of the auxiliary wheel and the axis L of the driving wheel.

According to the utility model discloses band pulley assembly has following beneficial effect at least: foretell band pulley subassembly can adjust through adjusting device the auxiliary wheel with interval between the two of drive wheel and the contained angle of both axes, the function of regulation is abundanter to the different in-service use situations of convenient adaptation.

According to some embodiments of the utility model, adjusting device includes first connecting seat, second connecting seat and first positioning element, first connecting seat connect in the supporting part, first connecting seat with one of the second connecting seat is provided with first regulation hole, and another is provided with first regulating part, first regulating part movably inserts and locates first regulation hole and can be relative first regulation hole is followed hole axis axial displacement and is in relative rotation in the first regulation hole, first positioning element is configured to can fix a position first regulating part is in position in the first regulation hole, the auxiliary wheel is connected to the second connecting seat.

According to some embodiments of the utility model, adjusting device still includes third connecting seat and second setting element, the second connecting seat with one of the third connecting seat is provided with the second regulation hole, and another is provided with the second regulating part, second regulating part movably inserts and locates the second regulation hole can be relative the second regulation hole is along hole axis axial displacement and is in relative rotation in the second regulation hole, the second setting element configuration is to can fix a position the second regulating part is in position in the second regulation hole, the auxiliary wheel is connected to the third connecting seat and passes through the third connecting seat with the second connecting seat is connected.

According to some embodiments of the utility model, adjusting device still includes fourth connecting seat and third setting element, the third connecting seat with one of the fourth connecting seat is provided with the third regulation hole, and another is provided with the third regulation portion, third regulation portion movably inserts and locates the third regulation hole can be relative the third regulation hole is along hole axis axial displacement and is in relative rotation in the third regulation hole, the third setting element configuration is to can fix a position the third regulation portion is in position in the third regulation hole, the auxiliary wheel is connected to the fourth connecting seat and passes through the fourth connecting seat with the third connecting seat is connected.

According to some embodiments of the utility model, adjusting device still includes the fourth setting element, the fourth connecting seat with one of the auxiliary wheel is provided with the fourth regulation hole, and another is provided with the fourth regulating part, fourth regulating part movably inserts and locates the fourth regulation hole is and can be relative the fourth regulation hole is followed hole axis direction and is removed and relative rotation in the fourth regulation hole, the fourth setting element configuration is to can fix a position the fourth regulating part is in position in the fourth regulation hole.

According to some embodiments of the invention, the first positioning element is configured as a screw, the hole wall of the first adjustment hole is provided with a first threaded through hole, the first positioning element is threadedly connected to the first threaded through hole; the second positioning piece is configured to be a screw, a second threaded through hole is formed in the hole wall of the second adjusting hole, and the second positioning piece is in threaded connection with the second threaded through hole; the third positioning piece is configured to be a screw, a third threaded through hole is formed in the hole wall of the third adjusting hole, and the third positioning piece is in threaded connection with the third threaded through hole; the fourth positioning piece is configured to be a screw, a fourth threaded through hole is formed in the hole wall of the fourth adjusting hole, and the fourth positioning piece is in threaded connection with the fourth threaded through hole.

According to some embodiments of the invention, the hole axis of the first adjustment hole is mutually perpendicular to the axis L of the drive wheel.

According to some embodiments of the invention, the hole axis of the second regulation hole is mutually perpendicular with the hole axis of the first regulation hole.

According to some embodiments of the invention, the hole axis of the third adjustment hole is perpendicular to the hole axis of the second adjustment hole; and the hole axis of the fourth adjusting hole is vertical to the hole axis of the third adjusting hole.

According to the utility model discloses an abrasive band machine of second aspect embodiment, it includes: a body; in the above belt pulley assembly, the support part is disposed on the body; and the driving device is configured to drive the driving wheel to rotate.

According to the utility model discloses abrasive band machine has following beneficial effect at least: due to the adoption of the belt wheel assembly, the driving wheel and the auxiliary wheel of the belt sander can adjust the distance and the relative angle of the axes of the driving wheel and the auxiliary wheel, have rich adjusting functions and are convenient to adapt to different conditions.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of an abrasive belt machine according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic structural diagram of an adjusting device according to an embodiment of the present invention.

Reference numerals:

a support portion 100;

a driving wheel 200;

an auxiliary wheel 300;

the adjusting device 400, the first connecting seat 410, the second connecting seat 420, the first positioning member 430, the first adjusting hole 401, the first adjusting portion 402, the third connecting seat 440, the second positioning member 450, the second adjusting hole 403, the second adjusting portion 404, the fourth connecting seat 460, the third positioning member 470, the third adjusting hole 405, the third adjusting portion 406, the fourth adjusting hole 407, and the fourth adjusting portion 408.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to FIG. 1, an abrasive belt machine is provided with a pulley assembly thereon. Wherein the pulley assembly includes a support portion 100, a driving wheel 200, and an auxiliary wheel 300. The driving wheel 200 is provided to the support portion 100. The auxiliary wheel 300 is connected to the support portion 100 by an adjusting device 400, and the adjusting device 400 is configured to adjust a distance between the auxiliary wheel 300 and the driving wheel 200 and an included angle between an axis K of the auxiliary wheel 300 and an axis L of the driving wheel 200. The above belt wheel assembly can adjust the distance between the auxiliary wheel 300 and the driving wheel 200 and the included angle between the axes of the auxiliary wheel and the driving wheel through the adjusting device 400, and the adjusting function is richer, so that the belt wheel assembly can be conveniently adapted to different actual use conditions. It should be understood that the support portion 100 is used to provide support for the driving wheel 200 and the auxiliary wheel 300, and may be some frame assembly.

Referring to fig. 2 and 3, the adjusting device 400 includes a first connecting seat 410, a second connecting seat 420, and a first positioning member 430, the first connecting seat 410 is connected to the supporting portion 100, the first connecting seat 410 and the second connecting seat 420 are respectively provided with a first adjusting hole 401 and a first adjusting portion 402, the first adjusting portion 402 is movably inserted into the first adjusting hole 401 and can axially move along a hole axis relative to the first adjusting hole 401 and relatively rotate in the first adjusting hole 401, the first positioning member 430 is configured to position the first adjusting portion 402 in the first adjusting hole 401, and the auxiliary wheel 300 is connected to the second connecting seat 420. It is conceivable that the positions where the first regulation hole 401 and the first regulation part 402 are disposed may be interchanged, that is, the first regulation hole 401 is disposed at the second connection holder 420 and the first regulation part 402 is disposed at the first connection holder 410. Through the above structure, the first adjusting portion 402 can move and rotate axially in the first adjusting hole 401, and after the position of the first adjusting portion 402 is adjusted, the first positioning member 430 can be used for positioning and fixing, so as to adjust the position of the second connecting seat 420 relative to the first connecting seat 410, that is, adjust the relative position of the second connecting seat 420 relative to the supporting portion 100 and the driving wheel 200 connected to the supporting portion 100. Since the auxiliary wheel 300 is coupled to the second coupling seat 420, the position adjustment of the auxiliary wheel 300 with respect to the driving wheel 200 can be achieved. Since the adjustment of the position of the second link socket 420 involves movement as well as rotation, the adjustment of the interval and relative angle between the axes of the auxiliary wheel 300 and the driving wheel 200 is achieved. The above-mentioned adjusting device 400 is simple in structure and easy to implement. It is conceivable that the adjustment device 400 may have other configurations, such as a structure in which the auxiliary wheel 300 is coupled to the support portion 100 via a universal joint, and an adjustment of the distance and the relative angle between the auxiliary wheel and the axis of the driving wheel 200 may be achieved.

Referring to fig. 2 and 3, the adjusting device 400 further includes a third connecting seat 440 and a second positioning member 450, the second connecting seat 420 and the third connecting seat 440 are respectively provided with a second adjusting hole 403 and a second adjusting portion 404, the second adjusting portion 404 is movably inserted into the second adjusting hole 403 and can axially move along a hole axis relative to the second adjusting hole 403 and relatively rotate in the second adjusting hole 403, the second positioning member 450 is configured to position the second adjusting portion 404 in the second adjusting hole 403, and the auxiliary wheel 300 is connected to the third connecting seat 440 and connected to the second connecting seat 420 through the third connecting seat 440. It is conceivable that the positions where the second adjusting hole 403 and the second adjusting portion 404 are provided may be interchanged, i.e., the second adjusting hole 403 is provided to the third connecting holder 440 and the second adjusting portion 404 is provided to the second connecting holder 420. By further adding the third connecting seat 440 and the second positioning member 450, the auxiliary wheel 300 has more adjustment degrees of freedom, and the adjustment function is more abundant.

Referring to fig. 2 and 3, the adjusting device 400 further includes a fourth connecting seat 460 and a third positioning member 470, the third connecting seat 440 and the fourth connecting seat 460 are respectively provided with a third adjusting hole 405 and a third adjusting portion 406, the third adjusting portion 406 is movably inserted into the third adjusting hole 405 and can axially move along a hole axis relative to the third adjusting hole 405 and relatively rotate in the third adjusting hole 405, the third positioning member 470 is configured to position the third adjusting portion 406 in the third adjusting hole 405, and the auxiliary wheel 300 is connected to the fourth connecting seat 460 and connected to the third connecting seat 440 through the fourth connecting seat 460. It is conceivable that the positions where the third adjusting hole 405 and the third adjusting part 406 are provided may be interchanged, i.e., the third adjusting hole 405 is provided to the fourth connecting seat 460 and the third adjusting part 406 is provided to the third connecting seat 440. By further adding the fourth connecting seat 460 and the third positioning member 470, the degree of freedom that the auxiliary wheel 300 can adjust is further increased, and the adjusting function is more abundant.

Referring to fig. 2 and 3, the adjusting device 400 further includes a fourth positioning element, the fourth connecting seat 460 and the auxiliary wheel 300 are respectively provided with a fourth adjusting hole 407 and a fourth adjusting portion 408, the fourth adjusting portion 408 is movably inserted into the fourth adjusting hole 407 and can move along the hole axis direction relative to the fourth adjusting hole 407 and relatively rotate in the fourth adjusting hole 407, and the fourth positioning element is configured to position the fourth adjusting portion 408 in the fourth adjusting hole 407. It is conceivable that the positions where the fourth adjusting hole 407 and the fourth adjusting portion 408 are provided may be interchanged, that is, the fourth adjusting hole 407 is provided to the auxiliary wheel 300 and the fourth adjusting portion 408 is provided to the fourth connecting seat 460. The provision of the fourth positioning member, the fourth adjustment hole 407, and the fourth adjustment portion 408 further increases the degree of freedom of adjustment of the auxiliary wheel 300.

Referring to fig. 3, the first, second, third and fourth adjusting holes 401, 403, 405 and 407 are circular holes, and the first, second, third and fourth adjusting

portions

402, 404, 406 and 408 may be provided as cylindrical shafts respectively fitted with the first, second, third and fourth adjusting holes 401, 403, 405 and 407, so that the axial movement and rotation of the adjusting portions can be achieved. Of course, it is conceivable that the adjustment portions and the adjustment holes may be provided in other shapes so long as the adjustment portions are rotatable and axially movable in the corresponding adjustment holes.

Referring to fig. 3, the first positioning member 430, the second positioning member 450, the third positioning member 470 and the fourth positioning member are configured as screws, the hole walls of the first adjusting hole 401, the second adjusting hole 403, the third adjusting hole 405 and the fourth adjusting hole 407 are correspondingly provided with a first threaded through hole, a second threaded through hole, a third threaded through hole and a fourth threaded through hole, the screws serving as the positioning members are threadedly connected to the corresponding threaded through holes, and when the screws are screwed toward the inner sides of the threaded through holes, the screws can be pressed against the corresponding adjusting portions, thereby positioning the positions of the adjusting portions. The structure is simple and easy to implement. In addition, because the structural mode that the screw and the adjusting part form friction and are positioned is adopted, in some using modes, the connecting seat can be clamped on the connecting seat through a crowbar, the connecting seat is pried through the lever principle so as to realize the adjustment of the relative position, so that tools are not needed to loosen and fasten the screw, and the operation is more convenient. It is envisioned that the first positioning member 430, the second positioning member 450, the third positioning member 470 and the fourth positioning member may be positioned by other structures, such as detents for positioning the corresponding adjustment portions.

Referring to fig. 3, the hole axis of the first adjustment hole 401 is perpendicular to the axis L of the driving wheel 200, thereby forming an orthogonal type of adjustment, which is convenient for adjustment. In addition, the following may be further provided: the hole axis of second regulation hole 403 and the hole axis mutually perpendicular of first regulation hole 401, the hole axis of third regulation hole 405 and the hole axis mutually perpendicular of second regulation hole 403, the hole axis of fourth regulation hole 407 and the hole axis mutually perpendicular of third regulation hole 405 to be the position control of orthorhombic formula between the adjacent connecting seat, it is convenient to adjust.

Foretell band pulley subassembly can be applied to the abrasive band machine, and the abrasive band machine includes: fuselage, above-mentioned pulley assembly and drive arrangement. The support part 100 is provided to the body, and the driving device is configured to drive the driving wheel 200 to rotate. When the belt sander is used, the sanding belt is sleeved on the driving wheel 200 and the auxiliary wheel 300, and the relative positions of the driving wheel and the auxiliary wheel are adjusted through the adjusting device 400, so that tensioning is achieved. The drive means may in particular be a motor or a drive capable of driving the member in rotation. The driving means may be provided to the body or the support portion 100, or the driving means may be provided as a part of the support portion 100. Due to the adoption of the belt wheel assembly, the distance between the driving wheel 200 and the auxiliary wheel 300 of the belt sander and the relative angle of the axes of the driving wheel and the auxiliary wheel can be adjusted, the adjusting function is rich, and the belt sander is convenient to adapt to different conditions.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A pulley assembly, comprising:

a support part (100);

a drive wheel (200) provided to the support section (100);

auxiliary wheel (300), through adjusting device (400) with support portion (100) are connected, adjusting device (400) are configured to can adjust auxiliary wheel (300) with the interval of drive wheel (200) and the axis K of auxiliary wheel (300) with the contained angle between the axis L of drive wheel (200).

2. The pulley assembly of claim 1, wherein: adjusting device (400) includes first connecting seat (410), second connecting seat (420) and first locating piece (430), first connecting seat (410) connect in supporting part (100), first connecting seat (410) with one in second connecting seat (420) is provided with first regulation hole (401), and another is provided with first regulation portion (402), first regulation portion (402) movably insert locate first regulation hole (401) and can be relative first regulation hole (401) are followed hole axis axial displacement and are in relative rotation in first regulation hole (401), first locating piece (430) are configured to can fix a position first regulation portion (402) are in position in first regulation hole (401), auxiliary wheel (300) are connected to second connecting seat (420).

3. The pulley assembly of claim 2, wherein: adjusting device (400) still includes third connecting seat (440) and second setting element (450), second connecting seat (420) with one of third connecting seat (440) is provided with second regulation hole (403), and another is provided with second regulating part (404), second regulating part (404) movably insert locate second regulation hole (403) and can be relative second regulation hole (403) are followed hole axis axial displacement and are in relative rotation in second regulation hole (403), second setting element (450) configuration is to can fix a position second regulating part (404) is in the position in second regulation hole (403), auxiliary wheel (300) are connected to third connecting seat (440) and pass through third connecting seat (440) with second connecting seat (420) is connected.

4. The pulley assembly of claim 3, wherein: adjusting device (400) still includes fourth connecting seat (460) and third setting element (470), third connecting seat (440) with one of fourth connecting seat (460) is provided with third regulation hole (405), and the other is provided with third regulation portion (406), third regulation portion (406) movably insert locate third regulation hole (405) and can be relative third regulation hole (405) along hole axis axial displacement and in third regulation hole (405) relative rotation, third setting element (470) configuration is to can fix a position third regulation portion (406) is in the position in third regulation hole (405), auxiliary wheel (300) are connected to fourth connecting seat (460) and pass through fourth connecting seat (460) with third connecting seat (440) is connected.

5. The pulley assembly of claim 4, wherein: adjusting device (400) still includes the fourth setting element, fourth connecting seat (460) with one of auxiliary wheel (300) is provided with fourth regulation hole (407), and another is provided with fourth regulation portion (408), fourth regulation portion (408) movably insert locate fourth regulation hole (407) and can be relative fourth regulation hole (407) move along the hole axis direction and relative rotation in fourth regulation hole (407), the fourth setting element configuration is to can fix a position fourth regulation portion (408) is in the position in fourth regulation hole (407).

6. The pulley assembly of claim 5, wherein:

the first positioning piece (430) is configured as a screw, a first threaded through hole is formed in the hole wall of the first adjusting hole (401), and the first positioning piece (430) is connected to the first threaded through hole in a threaded mode;

the second positioning piece (450) is configured as a screw, a second threaded through hole is formed in the hole wall of the second adjusting hole (403), and the second positioning piece (450) is connected to the second threaded through hole in a threaded mode;

the third positioning piece (470) is configured as a screw, a third threaded through hole is formed in the hole wall of the third adjusting hole (405), and the third positioning piece (470) is in threaded connection with the third threaded through hole;

the fourth positioning piece is configured to be a screw, a fourth threaded through hole is formed in the hole wall of the fourth adjusting hole (407), and the fourth positioning piece is in threaded connection with the fourth threaded through hole.

7. The pulley assembly of claim 2, wherein: the hole axis of the first adjusting hole (401) is perpendicular to the axis L of the driving wheel (200).

8. The pulley assembly of claim 3, wherein: the hole axis of the second adjusting hole (403) is perpendicular to the hole axis of the first adjusting hole (401).

9. The pulley assembly of claim 5, wherein: the hole axis of the third adjusting hole (405) is perpendicular to the hole axis of the second adjusting hole (403); the hole axis of the fourth adjusting hole (407) is perpendicular to the hole axis of the third adjusting hole (405).

10. An abrasive belt machine, comprising:

a body;

the pulley assembly of any one of claims 1 to 9, said support (100) being provided to said fuselage;

a driving device configured to drive the driving wheel (200) to rotate.