CN219275450U

CN219275450U - Abrasive belt tensioning and adjusting mechanism of wide abrasive belt grinding machine

Info

Publication number: CN219275450U
Application number: CN202222611741.6U
Authority: CN
Inventors: 冯保民; 王耀培; 梁荣; 陈世添
Original assignee: Guangdong Hongfeng Intelligent Technology Co ltd
Current assignee: Guangdong Hongfeng Intelligent Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-30
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an abrasive belt tensioning and adjusting mechanism of a wide abrasive belt grinding machine, which comprises a workbench, a tool assembly and a grinding mechanism, wherein the tool assembly is movably arranged on the workbench, the grinding mechanism comprises a fixed upright post, an abrasive belt tensioning and adjusting mechanism, a grinding head assembly and an abrasive belt driving mechanism, the abrasive belt tensioning and adjusting mechanism is arranged on the fixed upright post, the abrasive belt tensioning and adjusting mechanism comprises a movable mechanism and a driving piece for driving the movable mechanism to lift, the abrasive belt driving mechanism is arranged on the movable mechanism, an abrasive belt is sleeved on the abrasive belt driving mechanism, and the grinding head assembly is arranged on the fixed upright post and corresponds to the abrasive belt driving mechanism. The driving piece of the abrasive belt tensioning and adjusting mechanism drives the movable mechanism to ascend or descend to drive the abrasive belt to move so as to adjust the tension of the abrasive belt.

Description

Abrasive belt tensioning and adjusting mechanism of wide abrasive belt grinding machine

Technical Field

The utility model relates to the technical field of grinding and polishing equipment, in particular to an abrasive belt tensioning and adjusting mechanism of a wide abrasive belt grinding machine.

Background

In the hardware processing industry, the numerical control abrasive belt grinder is widely applied, in order to improve the production efficiency of products and increase the durable time of the abrasive belt, the abrasive belt grinder is set to be an abrasive belt with larger width so as to improve the production efficiency of the products, but the abrasive belt with the width is easy to deviate in the operation process.

For example, the prior patent application name of the utility model is "an abrasive belt adjusting mechanism applied to an abrasive belt machine", with publication number CN205552217U, which discloses a motor support, a motor fixing base plate, a connecting plate, a mechanism adjusting movable plate, a hinge pin, a driving rod and a lifting mechanism, wherein the motor fixing base plate is arranged at the top of the motor support, the upper table at the right side of the motor fixing base plate is obliquely arranged, the mechanism adjusting movable plate is arranged at the right side of the motor support and below the motor fixing base plate, the motor adjusting base plate is connected with the right side of the motor fixing base plate through the vertically arranged connecting plate, the rear part of the mechanism adjusting movable plate is hinged with the motor support through the hinge pin, the front part of the mechanism adjusting movable plate is connected with the upper end of the driving rod, and the lower end of the driving rod is connected with the lifting mechanism. When the transmission shaft is parallel to the driven shaft, the abrasive belts with equal lengths on two sides can stably rotate at high speed; if a certain difference exists between the lengths of the two sides of the abrasive belt, the abrasive belt can be ensured to rotate stably at a high speed when the transmission shaft and the driven shaft are not parallel. However, such belt adjusting mechanisms are only suitable for use with belts within 400mm in width, and because of the insufficient rigidity that occurs when wide belts, such as those 500mm to 1000mm wide, are developed, the purpose of being able to use wide belts is achieved only by changing the structure.

Disclosure of Invention

In view of the foregoing, there is a need for a wide belt sander that can provide tension adjustment to a wider belt in the belt sander that can protect the rigidity of the motor output shaft during operation, thereby improving production efficiency.

The utility model provides a wide abrasive band grinding machine's abrasive band tensioning adjustment mechanism, includes workstation, frock subassembly and grinding mechanism, frock subassembly movable mounting in on the workstation, grinding mechanism includes fixed column, abrasive band tensioning adjustment mechanism, bistrique subassembly and abrasive band actuating mechanism, abrasive band tensioning adjustment mechanism install in on the fixed column, abrasive band tensioning adjustment mechanism includes movable mechanism and drive the driving piece that movable mechanism goes up and down, abrasive band actuating mechanism installs on the movable mechanism, the cover is equipped with the abrasive band on the abrasive band actuating mechanism, the bistrique subassembly install in on the fixed column with abrasive band actuating mechanism is corresponding.

Further, the movable mechanism further comprises a sliding guide rail support, the sliding guide rail support comprises a plurality of side walls, an air cylinder is arranged in the support, one end of the movable mechanism is inserted into the sliding guide rail support and slides along the inner side wall of the sliding guide rail support, and the air cylinder pushes the movable mechanism to slide.

Further, the top end of the movable mechanism is also provided with a horizontal mounting table, and the abrasive belt driving mechanism is mounted on the horizontal mounting table.

Further, the abrasive belt driving mechanism comprises a motor supporting frame, a motor, a connector, a bearing seat and a driving wheel, wherein the motor is installed on the motor supporting frame, a bearing is arranged in the driving wheel in a penetrating manner and installed on the bearing seat, an output shaft of the motor is connected with the driving wheel through the connector, the motor drives the driving wheel to rotate, and the motor supporting frame is arranged on the horizontal installation table.

Further, a rotating shaft is further arranged on the horizontal mounting table, and the motor supporting frame is rotatably connected with the movable mechanism through the rotating shaft; and a fine adjustment mechanism is further arranged at one end, far away from the abrasive belt, of the movable mechanism, and comprises a handle and a spiral adjusting piece.

Further, one ends of the motor supporting frame and the movable mechanism, which correspond to the fine adjustment mechanism, are respectively provided with a spiral through hole, one end of the spiral adjusting piece is connected with the handle, the other end of the spiral adjusting piece is arranged through the spiral through holes of the movable mechanism and the motor supporting frame in a penetrating manner, and the motor supporting frame can rotate up and down around the rotating shaft by rotating the handle and the spiral adjusting piece so as to adjust the angle of the driving wheel.

Further, the movable mechanism is lifted or lowered under the thrust action of the air cylinder, and the motor support frame is lifted or lowered along with the movable mechanism in the whole height.

Further, the motor support frame has a first end and a second end, and the first end and the second end have gaps with corresponding ends of the horizontal mounting table, so that when the motor support frame rotates around the rotation shaft, the first end and the second end respectively correspond to lifting and descending spaces.

Further, the grinding head assembly comprises a grinding head frame and a driven wheel, the driven wheel is arranged on the grinding head frame, the abrasive belt is in an annular shape in an end-to-end connection mode, the abrasive belt is sleeved outside the driving wheel and the driven wheel, when the motor drives the driving wheel to rotate, and the driving wheel drives the driven wheel to rotate through the abrasive belt.

Further, the width of the abrasive belt ranges from 500mm to 1500mm.

According to the abrasive belt tensioning and adjusting mechanism machine of the wide abrasive belt grinding machine, the driving piece of the abrasive belt tensioning and adjusting mechanism drives the movable mechanism to ascend or descend, and the movable mechanism drives the abrasive belt sleeved on the abrasive belt driving mechanism to move so as to adjust the tension degree of the abrasive belt.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:

fig. 1 is a schematic view of an abrasive belt tension adjusting mechanism of a wide abrasive belt grinder according to an embodiment of the present utility model.

Fig. 2 is an exploded view of an belt tension adjustment mechanism for a wide belt sander in accordance with an embodiment of the present utility model.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

abrasive belt tensioning adjusting mechanism of 100-width abrasive belt grinding machine;

20 workstation:

30 fixing posts,

31 abrasive belt tensioning adjustment mechanism: 311 moving mechanism, 312 sliding guide rail bracket, 313 cylinder, 314 horizontal mounting table, 316 handle, 317 spiral adjusting piece, 318 rotation axis;

32 abrasive belt driving mechanism: 321 motor support: 321' first end, 321 "" second end, 322 drive wheel, 323 connector, 324 bearing block, 325 motor, 326 belt;

33 grinding head assembly: 331 grinding head frame, 332 driven wheel;

40 tooling assembly.

Detailed Description

It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The present utility model will be described in detail with reference to specific embodiments and drawings.

Referring to fig. 1 and 2, an abrasive belt tensioning adjustment mechanism 100 of a wide abrasive belt grinder provided by an embodiment of the utility model includes a workbench 20, a tooling assembly 40 and a grinding mechanism, the tooling assembly 40 is movably mounted on the workbench 20, the grinding mechanism includes a fixed upright 30, an abrasive belt tensioning adjustment mechanism 31, a grinding head assembly 33 and an abrasive belt driving mechanism 32, the abrasive belt tensioning adjustment mechanism 31 is mounted on the fixed upright 30, the abrasive belt tensioning adjustment mechanism 31 includes a movable mechanism 311 and a driving member for driving the movable mechanism to lift, the abrasive belt driving mechanism 32 is mounted on the movable mechanism, an abrasive belt 326 is sleeved on the abrasive belt driving mechanism 32, and the grinding head assembly 33 is mounted on the fixed upright 30 and corresponds to the abrasive belt driving mechanism 32. The driving member is preferably a lifting cylinder 313.

Specifically, the movable mechanism 311 further includes a sliding rail support 312, the sliding rail support 312 includes a plurality of side walls, an air cylinder 313 is disposed in the support, one end of the movable mechanism 311 is inserted into the sliding rail support 312, slides along the inner side walls of the sliding rail support 312, and the air cylinder 313 pushes the movable mechanism 311 to slide.

Specifically, a horizontal mounting table 314 is further provided at the top end of the movable mechanism 311, and the belt driving mechanism 32 is mounted on the horizontal mounting table 314.

Specifically, the belt driving mechanism 32 includes a motor support 321, a motor 325, a connector 323, a bearing seat 324 and a driving wheel 322, wherein the motor 325 is mounted on the motor support 321, the driving wheel 322 is internally provided with a bearing in a penetrating manner and is mounted on the bearing seat 324, an output shaft of the motor 325 is connected with the driving wheel 322 through the connector 323, the motor 325 drives the driving wheel 322 to rotate, and the motor support 321 is disposed on the horizontal mounting table 314.

Specifically, the horizontal mounting table 314 is further provided with a rotation shaft 318, and the motor support 321 is rotatably connected with the movable mechanism 311 through the rotation shaft 318; the movable mechanism 311 is further provided with a fine adjustment mechanism at one end far away from the abrasive belt 326, and the fine adjustment mechanism comprises a handle 316 and a screw adjusting member 317. The screw adjustment member 317 is preferably a screw.

Specifically, one end of the motor support frame 321 and one end of the movable mechanism 311, which correspond to the fine adjustment mechanism, are respectively provided with a spiral through hole, one end of the spiral adjusting member 317 is connected to the handle 316, the other end of the spiral adjusting member 317 is disposed through the spiral through holes of the movable mechanism 311 and the motor support frame 321, and rotating the handle 316 and the spiral adjusting member 317 can rotate the motor support frame 321 up and down around the rotation shaft 318 to adjust the angle of the driving wheel 322. The fine adjustment mechanism adjusts the angle of the driving wheel 322, so that the abrasive belt 326 is always kept at a proper position of the driving wheel 322, and the abrasive belt 326 is not deviated to any side.

Specifically, the movable mechanism 311 is lifted or lowered by the pushing force of the cylinder 313, and the motor support 321 is lifted or lowered along with the movable mechanism 311 in its entirety in height.

Specifically, the motor support frame 321 has a first end 321 ' and a second end 321 ", and the first end 321 ' and the second end 321" have a gap with corresponding ends of the horizontal mounting table 314, respectively, so that the first end 321 ' and the second end 321 "correspond to a lifting and lowering space, respectively, when the motor support frame 321 rotates about the rotation axis 318.

Specifically, the grinding head assembly 33 includes a grinding head frame 331 and a driven wheel 332, the driven wheel 332 is mounted on the grinding head frame 331, the abrasive belt 326 is in an annular end-to-end connection, the abrasive belt 326 is sleeved outside the driving wheel 322 and the driven wheel 332, when the motor 325 drives the driving wheel 322 to rotate, the driving wheel 322 drives the driven wheel 332 to rotate through the abrasive belt 326.

Specifically, the width of abrasive belt 326 ranges from 500mm to 1500mm.

In the belt tensioning adjustment mechanism 100 of the wide belt grinder, the horizontal mounting table 314 is driven by the driving member of the belt tensioning adjustment mechanism 31 to enable the horizontal mounting table 314 to wholly ascend or descend, and the belt driving mechanism 32 mounted on the horizontal mounting table 314 wholly ascends or descends, so as to adjust the belt tensioning degree sleeved on the driving wheel 322; the horizontal mounting table 314 is also provided with a rotating shaft 318, the motor 325 support frame 321 far away from one end of the abrasive belt 326 and the movable mechanism 311 are correspondingly provided with a fine adjustment mechanism, the grinding head frame 331 is fixedly mounted, the fine adjustment mechanism and the rotating shaft 318 are mutually matched to adjust the abrasive belt 326 to always move between the driving wheel 322 and the driven wheel 332, and the abrasive belt 326 is not deviated to any direction.

The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The utility model provides a wide abrasive band grinding machine's abrasive band tensioning adjustment mechanism, its characterized in that, includes workstation, frock subassembly and grinding mechanism, frock subassembly movable mounting in on the workstation, grinding mechanism includes fixed stand, abrasive band tensioning adjustment mechanism, bistrique subassembly and abrasive band actuating mechanism, abrasive band tensioning adjustment mechanism install in on the fixed stand, abrasive band tensioning adjustment mechanism includes movable mechanism and drive the driving piece that movable mechanism goes up and down, abrasive band actuating mechanism installs on the movable mechanism, the cover is equipped with the abrasive band on the abrasive band actuating mechanism, the bistrique subassembly install in on the fixed stand with abrasive band actuating mechanism corresponds.

2. The belt tensioning adjustment mechanism for a wide belt sander of claim 1, wherein the movable mechanism further comprises a slide rail bracket comprising a plurality of side walls, a cylinder being disposed within the bracket, one end of the movable mechanism being inserted into the slide rail bracket and sliding along the inside walls of the slide rail bracket, the cylinder pushing the movable mechanism to slide.

3. The belt tensioning adjustment mechanism for a wide belt sander of claim 2, wherein the top end of the movable mechanism is further provided with a horizontal mounting table, and the belt drive mechanism is mounted on the horizontal mounting table.

4. A belt tensioning adjustment mechanism for a wide belt grinder as defined in claim 3, wherein said belt drive mechanism comprises a motor support frame, a motor, a connector, a bearing housing and a drive wheel, said motor is mounted on said motor support frame, said drive wheel is internally threaded with a bearing and mounted on said bearing housing, said motor output shaft is connected to said drive wheel via said connector, said motor drives said drive wheel to rotate, and said motor support frame is mounted on said horizontal mounting table.

5. The belt tensioning adjustment mechanism of the wide belt grinder as set forth in claim 4, wherein a rotation shaft is further provided on the horizontal mounting table, the motor support frame being rotatably connected to the movable mechanism through the rotation shaft; and a fine adjustment mechanism is further arranged at one end, far away from the abrasive belt, of the movable mechanism, and comprises a handle and a spiral adjusting piece.

6. The belt tensioning adjustment mechanism of the wide belt grinder as set forth in claim 5, wherein the motor support frame and the movable mechanism are provided with screw through holes respectively corresponding to one end of the fine adjustment mechanism, one end of the screw adjustment member is connected with the handle, and the other end is provided through the screw through holes of the movable mechanism and the motor support frame, and rotating the handle and the screw adjustment member can rotate the motor support frame up and down around the rotation shaft to adjust the angle of the driving wheel.

7. A belt tensioning adjustment mechanism for a wide belt sander as set forth in claim 6, wherein said movable mechanism is raised or lowered by the thrust of said cylinder, and said motor support is raised or lowered as a whole in height with said movable mechanism.

8. The belt tension adjustment mechanism of a wide belt sander as set forth in claim 7, wherein said motor support frame has a first end and a second end, said first end and said second end having respective clearances with corresponding ends of a horizontal mounting table, such that said first end and said second end have respective lifting and lowering spaces when said motor support frame is rotated about said rotational axis.

9. The belt tensioning adjustment mechanism of a wide belt grinder as set forth in claim 8, wherein said grinding head assembly includes a grinding head frame and a driven wheel, said driven wheel is mounted on said grinding head frame, said belt is endless end to end, said belt is sleeved outside said drive wheel and said driven wheel, and when said motor drives said drive wheel to rotate, said drive wheel drives said driven wheel to rotate via said belt.

10. A belt tensioning adjustment mechanism for a wide belt sander as set forth in claim 9, wherein said belt width is in the range of 500mm to 1500mm.