CN218697212U

CN218697212U - Deviation preventing device for abrasive belt

Info

Publication number: CN218697212U
Application number: CN202222843723.0U
Authority: CN
Inventors: 熊旭; 周哲; 郭洪川; 安卫强; 刘晓静
Original assignee: Zhengzhou Aerospace Hengtong Intelligent Equipment Co ltd
Current assignee: Zhengzhou Aerospace Hengtong Intelligent Equipment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a centring device is prevented to abrasive band. The deviation preventing device for the abrasive belt comprises: the tensioning device comprises a base plate, a tensioning mechanism and a driving mechanism, wherein the base plate is provided with the driving mechanism and the tensioning mechanism; the abrasive belt winding device comprises two first vertical plates, two first rotating shafts, two first rotating rollers, an abrasive belt, a first belt pulley, a driving motor, a second belt pulley and a connecting belt, wherein the two first vertical plates are fixedly installed at the top of a bottom plate, the two first rotating shafts are respectively rotatably installed on the two first vertical plates, the two first rotating rollers are respectively fixedly sleeved on the two first rotating shafts, the abrasive belt is wound on the two first rotating rollers, the first belt pulley is fixedly installed at one end of the corresponding first rotating shaft, and the driving motor is fixedly installed at the top of the bottom plate. The utility model provides a deviation device is prevented to abrasive band simple structure, convenient operation can adjust the tensioning on abrasive band simply effectually to can effectively avoid the advantage of abrasive band deviation.

Description

Deviation preventing device for abrasive belt

Technical Field

The utility model belongs to the technical field of the off tracking is prevented to the abrasive band, especially, relate to an off tracking device is prevented to abrasive band.

Background

When metal plates such as stainless steel thin plates and copper plates are used as surface decoration parts, high-quality grinding effect needs to be achieved on the surfaces, the thin plates are usually ground and polished by a plate grinder, the plates are clamped by upper and lower steel rollers to be fed in the plate grinder, and the surfaces of the plates are polished by abrasive belts.

However, when the abrasive belt machine is used for polishing and buffing a workpiece, the abrasive belt is easy to deviate when rotating at a high speed, a large amount of time is consumed for correcting the deviation, and potential safety hazards are easy to occur.

Therefore, there is a need to provide a new belt deviation preventing device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple structure, convenient operation can simply effectually adjust the tensioning on abrasive band to can effectively avoid the abrasive band off tracking to prevent the off tracking device in abrasive band of abrasive band off tracking.

For solving the technical problem, the utility model provides a deviation device is prevented to abrasive band includes: the tensioning device comprises a base plate, a tensioning mechanism and a driving mechanism, wherein the base plate is provided with the driving mechanism and the tensioning mechanism;

the belt conveyor comprises two first vertical plates, two first rotating shafts, two first rotating rollers, an abrasive belt, a first belt pulley, a driving motor, a second belt pulley and a connecting belt, wherein the two first vertical plates are fixedly mounted at the top of a bottom plate, the two first rotating shafts are respectively rotatably mounted on the two first vertical plates, the two first rotating rollers are respectively fixedly sleeved on the two first rotating shafts, the abrasive belt is wound on the two first rotating rollers, the first belt pulley is fixedly mounted at one end of the corresponding first rotating shaft, the driving motor is fixedly mounted at the top of the bottom plate, the second belt pulley is fixedly mounted on an output shaft of the driving motor, and the connecting belt is wound on the first belt pulley and the second belt pulley;

tensioning adjustment mechanism includes that second riser, bar groove, threaded rod, installation piece, internal thread slider, second pivot, second change the roller and control the subassembly, second riser fixed mounting is at the top of bottom plate, bar groove sets up on one side outer wall of second riser, the threaded rod rotates and installs in bar groove, the installation piece sets up the one side at bar groove, internal thread slider thread bush is established on the threaded rod, one side of internal thread slider extend outside bar groove and with installation piece fixed connection, the second pivot is rotated and is installed on one side outer wall of installation piece, the second changes the fixed cover of roller and establishes in the second pivot, the second changes the roller and contacts with the abrasive band.

As a further scheme of the utility model, it includes first conical gear, second conical gear and third pivot to control the subassembly, the fixed cover of first conical gear is established on the threaded rod, second conical gear sets up in the bar recess, second conical gear meshes with first conical gear mutually, third pivot fixed mounting is on second conical gear, the one end of third pivot extends to outside the second riser and rotates with the second riser and be connected.

As a further aspect of the present invention, the one end fixed mounting of the third rotating shaft has a circular turntable, and a rotating rod is rotatably mounted on an outer wall of one side of the circular turntable.

As a further scheme of the utility model, the spacing spout has been seted up on one side inner wall of bar groove, slidable mounting has spacing slider in the spacing spout, one side and the internal thread slider fixed connection of spacing slider.

As a further aspect of the utility model, two the surface that first commentaries on classics roller and second commentaries on classics roller is the cambered surface, two first commentaries on classics roller and second commentaries on classics roller's centre department diameter slightly is greater than both ends diameter.

Compared with the prior art, the utility model provides a deviation device is prevented to abrasive band has as follows

Has the advantages that:

1. the utility model is provided with the driving mechanism, so that the abrasive belt can be simply and effectively driven to rotate, and the workpiece is polished;

2. the utility model discloses a set up tensioning guiding mechanism for the tensioning on adjustment abrasive band that can be simple effectual, thereby make the abrasive band can be in the suitable tensioning condition.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a front view structure of the abrasive belt deviation preventing device of the utility model;

FIG. 2 is a side cross-sectional enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic view of a partial overlooking structure of the belt anti-deviation device of the present invention.

In the figure: 1. a base plate; 2. a first vertical plate; 3. a first rotating shaft; 4. a first rotating roller; 5. an abrasive belt; 6. a first pulley; 7. a drive motor; 8. a second pulley; 9. connecting a belt; 10. A second vertical plate; 11. a strip-shaped groove; 12. a threaded rod; 13. mounting a block; 14. an internal thread slider; 15. a second rotating shaft; 16. a second rotating roller; 17. a first bevel gear; 18. a second bevel gear; 19. and a third rotating shaft.

Detailed Description

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic front view of the deviation preventing device for an abrasive belt according to the present invention; FIG. 2 is a side cross-sectional enlarged schematic view of portion A of FIG. 1; fig. 3 is a schematic view of a partial overlooking structure of the belt anti-deviation device of the present invention. Deviation prevention device for abrasive belt comprises: the device comprises a base plate 1, wherein a driving mechanism and a tensioning adjusting mechanism are arranged on the base plate 1;

the device comprises two first vertical plates 2, two first rotating shafts 3, two first rotating rollers 4, an abrasive belt 5, a first belt pulley 6, a driving motor 7, a second belt pulley 8 and a connecting belt 9, wherein the two first vertical plates 2 are fixedly arranged at the top of a bottom plate 1, the two first rotating shafts 3 are respectively rotatably arranged on the two first vertical plates 2, the two first rotating rollers 4 are respectively and fixedly sleeved on the two first rotating shafts 3, the abrasive belt 5 is wound on the two first rotating rollers 4, the first belt pulley 6 is fixedly arranged at one end of the corresponding first rotating shaft 3, the driving motor 7 is fixedly arranged at the top of the bottom plate 1, the second belt pulley 8 is fixedly arranged on an output shaft of the driving motor 7, and the connecting belt 9 is wound on the first belt pulley 6 and the second belt pulley 8;

tensioning adjustment mechanism includes second riser 10, bar recess 11, threaded rod 12, installation piece 13, internal thread slider 14, second pivot 15, second commentaries on classics roller 16 and controls the subassembly, second riser 10 fixed mounting is at the top of bottom plate 1, bar recess 11 is seted up on one side outer wall of second riser 10, threaded rod 12 rotates and installs in bar recess 11, installation piece 13 sets up the one side at bar recess 11, internal thread slider 14 threaded sleeve is established on threaded rod 12, one side of internal thread slider 14 extends to bar recess 11 outside and with installation piece 13 fixed connection, second pivot 15 rotates and installs on one side outer wall of installation piece 13, second commentaries on classics roller 16 fixed sleeve is established on second pivot 15, second commentaries on classics roller 16 contacts with abrasive band 5.

As shown in fig. 2, the control assembly includes a first bevel gear 17, a second bevel gear 18 and a third rotating shaft 19, the first bevel gear 17 is fixedly sleeved on the threaded rod 12, the second bevel gear 18 is disposed in the strip-shaped groove 11, the second bevel gear 18 is engaged with the first bevel gear 17, the third rotating shaft 19 is fixedly mounted on the second bevel gear 18, and one end of the third rotating shaft 19 extends out of the second vertical plate 10 and is rotatably connected with the second vertical plate 10;

by arranging the control assembly, the tensioning of the abrasive belt 5 by a worker can be adjusted simply and effectively.

As shown in fig. 1 and fig. 2, a circular turntable is fixedly mounted at one end of the third rotating shaft 19, and a rotating rod is rotatably mounted on the outer wall of one side of the circular turntable;

through setting up circular carousel for can rotate third pivot 19 by simple effectual staff of being convenient for, and can effectively avoid grinding one's hand.

As shown in fig. 2, a limiting sliding groove is formed in the inner wall of one side of the strip-shaped groove 11, a limiting sliding block is slidably mounted in the limiting sliding groove, and one side of the limiting sliding block is fixedly connected with the internal thread sliding block 14;

through setting up spacing spout and spacing slider for can be simple effectual restrict internal thread slider 14, make its lift that can be steady.

As shown in fig. 2 and 3, the surfaces of the two first rotating rollers 4 and the two second rotating rollers 16 are both cambered surfaces, and the diameter of the middle part of the two first rotating rollers 4 and the diameter of the middle part of the two second rotating rollers 16 are slightly larger than the diameters of the two ends;

the surfaces of the two first rotating rollers 4 and the second rotating rollers 16 are cambered surfaces, so that the tensity of the middle part of the abrasive belt 5 is greater than that of the two sides, and the deviation of the abrasive belt 5 can be effectively avoided.

The utility model provides a deviation device is prevented to abrasive band's theory of operation as follows:

the first step is as follows: when a workpiece needs to be polished, a driving motor 7 is started, the driving motor 7 drives a second belt pulley 8 to rotate, the second belt pulley 8 drives a first belt pulley 6 to rotate through a connecting belt 9, the first belt pulley 6 drives a first rotating shaft 3 to rotate, the first rotating shaft 3 drives a first rotating roller 4 to rotate, so that an abrasive belt 5 is driven to rotate on the two first rotating rollers 4 at a high speed, the workpiece can be polished, and under the action that the surfaces of the two first rotating rollers 4 and the second rotating roller 16 are cambered surfaces, the tension degree of the middle part of the abrasive belt 5 is larger than that of the two sides, so that the abrasive belt 5 can be effectively prevented from deviating;

the second step is as follows: when the tension of the abrasive belt 5 needs to be adjusted, the turntable is rotated through the rotating rod, the turntable drives the third rotating shaft 19 to rotate, the third rotating shaft 19 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the threaded rod 12 to rotate, the threaded rod 12 drives the internal thread sliding block 14 to move upwards, the internal thread sliding block 14 drives the mounting block 13 to move upwards, and the mounting block 13 drives the second rotating shaft 15 and the second rotating roller 16 to move upwards, so that the tension of the abrasive belt 5 is adjusted.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, and it is intended that in other related fields of technology, the scope of the invention be limited only by the claims and their equivalents, all of which are intended to be covered by the scope of this invention.

Claims

1. A deviation preventing device for abrasive belts is characterized by comprising:

the tensioning device comprises a base plate, a tensioning mechanism and a driving mechanism, wherein the base plate is provided with the driving mechanism and the tensioning mechanism;

the belt conveyor comprises two first vertical plates, two first rotating shafts, two first rotating rollers, an abrasive belt, a first belt pulley, a driving motor, a second belt pulley and a connecting belt, wherein the two first vertical plates are fixedly arranged at the top of a bottom plate, the two first rotating shafts are respectively rotatably arranged on the two first vertical plates, the two first rotating rollers are respectively fixedly sleeved on the two first rotating shafts, the abrasive belt is wound on the two first rotating rollers, the first belt pulley is fixedly arranged at one end of the corresponding first rotating shaft, the driving motor is fixedly arranged at the top of the bottom plate, the second belt pulley is fixedly arranged on an output shaft of the driving motor, and the connecting belt is wound on the first belt pulley and the second belt pulley;

tensioning adjustment mechanism includes second riser, bar recess, threaded rod, installation piece, internal thread slider, second pivot, second commentaries on classics roller and controls the subassembly, second riser fixed mounting is at the top of bottom plate, the bar recess is seted up on one side outer wall of second riser, the threaded rod rotates and installs in the bar recess, the installation piece sets up the one side at the bar recess, internal thread slider thread bush is established on the threaded rod, one side of internal thread slider extend to outside the bar recess and with installation piece fixed connection, the second pivot is rotated and is installed on one side outer wall of installation piece, the fixed cover of second commentaries on classics roller is established in the second pivot, the second commentaries on classics roller contacts with the abrasive band.

2. The belt deviation preventing device of claim 1, wherein: control the subassembly and include first conical gear, second conical gear and third pivot, the fixed cover of first conical gear is established on the threaded rod, second conical gear sets up in the bar recess, second conical gear meshes with first conical gear mutually, third pivot fixed mounting is on second conical gear, the one end of third pivot extends to outside the second riser and rotates with the second riser and be connected.

3. The belt deviation preventing device of claim 2, wherein: one end fixed mounting of third pivot has circular carousel, rotate on one side outer wall of circular carousel and install the bull stick.

4. The belt deviation preventing device of claim 1, wherein: the inner wall of one side of the strip-shaped groove is provided with a limiting sliding groove, a limiting sliding block is arranged in the limiting sliding groove in a sliding mode, and one side of the limiting sliding block is fixedly connected with the internal thread sliding block.

5. The belt deviation preventing device of claim 1, wherein: the surfaces of the first rotating roller and the second rotating roller are cambered surfaces, and the diameter of the middle of the first rotating roller and the diameter of the middle of the second rotating roller are slightly larger than the diameters of the two ends.