CN219673198U - Belt tensioning mechanism - Google Patents
Belt tensioning mechanism Download PDFInfo
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- CN219673198U CN219673198U CN202320897240.0U CN202320897240U CN219673198U CN 219673198 U CN219673198 U CN 219673198U CN 202320897240 U CN202320897240 U CN 202320897240U CN 219673198 U CN219673198 U CN 219673198U
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- belt
- tensioning mechanism
- belt tensioning
- mounting plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000009471 action Effects 0.000 claims description 15
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- 238000007906 compression Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a belt tensioning mechanism, which belongs to the field of motors and comprises a mounting frame, a mounting plate, a motor, a driving wheel, a driven wheel, a belt and an elastic piece, wherein the mounting plate is movably mounted on the mounting frame, the motor is fixedly mounted on the mounting plate, the motor comprises a rotating shaft, the driving wheel is mounted on the rotating shaft, the driven wheel is mounted on the mounting frame and positioned on one side of the driving wheel, the belt is wound on the driving wheel and the driven wheel, one end of the elastic piece is in a compressed state and is abutted with the mounting frame, the other end of the elastic piece is abutted with the mounting plate, and the elastic piece pushes the mounting plate to move and drives the driving wheel to move, so that the distance between the driving wheel and the driven wheel is adjusted to realize automatic tensioning of the belt. The utility model has simple structure and convenient operation, and can avoid the damage of reducing the tension of the belt and finally reducing the transmission precision due to the fatigue lengthening of the belt after the belt is used for a long time.
Description
Technical Field
The utility model relates to the field of motors, in particular to a belt tensioning mechanism.
Background
In the field of motors, particularly rotary dies, in the long-time production process, a belt can be loosened and lengthened due to long-time stress, the tensioning force is reduced, and the belt transmission precision and the service life are affected. The existing belt tensioning structure mainly adjusts the tension of a belt by repeatedly adjusting the relative position relation of a driving wheel and a driven wheel, then the driving wheel or the driven wheel is fixed, the tension needs to be adjusted repeatedly during installation and maintenance of the structure, the adjusting process is complex, and the belt does not have a tension self-adjusting function after tensioning.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the belt tensioning mechanism which is simple in structure and convenient to operate.
The utility model adopts the following technical scheme:
the utility model provides a belt tensioning mechanism, includes mounting bracket, mounting panel, motor, action wheel, follow driving wheel, belt, still includes the elastic component, the mounting panel removes to be installed on the mounting bracket, motor fixed mounting is in on the mounting panel, the motor includes the axis of rotation, the action wheel is installed in the axis of rotation, install from the driving wheel on the mounting bracket and be located action wheel one side, the belt winds to be established action wheel, follow driving wheel, the elastic component be in compression state and one end with the mounting bracket butt, the other end with the mounting panel butt, the elastic component promotes the mounting panel removes and drives the action wheel removes, thereby adjusts the action wheel with follow the distance between the driving wheel in order to realize belt automatic tensioning.
Further, the belt tensioning mechanism further comprises a limit screw, the mounting frame is provided with a first mounting hole, the mounting plate is provided with a second mounting hole, the diameter of the second mounting hole is larger than that of the first mounting hole, and the limit screw is mounted in the first mounting hole and the second mounting hole so that the mounting plate moves under the elastic action of the elastic piece.
Further, the second mounting hole has a bar-shaped cross section.
Further, the axial direction of the limit screw is parallel to the axial direction of the rotating shaft.
Further, the belt tensioning mechanism further comprises a guide rod, the guide rod is installed on the installation frame and penetrates through the installation plate, the elastic piece is sleeved outside the guide rod, and the elastic piece can push the installation plate to move along the axial direction of the guide rod.
Further, the axial direction of the guide rod is perpendicular to the axial direction of the rotating shaft.
Further, the cross-sectional shape of mounting panel is L shape, the mounting panel includes first tip, second tip, first tip, second tip fixed connection, first tip with the mounting bracket horizontal plane is parallel, the second tip with the mounting bracket horizontal plane is perpendicular and be located mounting panel one side.
Further, the elastic piece is a pressure spring.
Further, the mounting frame comprises a support and a mounting seat, the support and the mounting seat are fixedly connected, the mounting plate is movably mounted on the support, and the driven wheel is mounted on the mounting seat and located on one side of the support.
Further, the number of the mounting seats is one, the number of the brackets is two, and the brackets are respectively positioned on two sides of the mounting plate.
Compared with the prior art, the belt tensioning mechanism comprises a mounting frame, a mounting plate, a motor, a driving wheel, a driven wheel, a belt and an elastic piece, wherein the mounting plate is movably mounted on the mounting frame, the motor is fixedly mounted on the mounting plate, the motor comprises a rotating shaft, the driving wheel is mounted on the rotating shaft, the driven wheel is mounted on the mounting frame and positioned on one side of the driving wheel, the belt is wound on the driving wheel and the driven wheel, one end of the elastic piece is in a compressed state and is abutted with the mounting frame, the other end of the elastic piece is abutted with the mounting plate, and the elastic piece pushes the mounting plate to move and drives the driving wheel to move, so that the distance between the driving wheel and the driven wheel is adjusted to realize automatic tensioning of the belt. Because the elastic piece is in a compressed state, the belt is always in a tensioning state, and the tension of the belt is ensured to be unchanged all the time. The utility model has simple structure and convenient operation, can avoid the damage of reducing the transmission precision finally caused by the reduction of the tension of the belt due to the fatigue and the lengthening of the belt after the belt is used for a long time, and ensures the transmission precision of the die production.
Drawings
FIG. 1 is a schematic diagram of a belt tensioning mechanism of the present utility model;
FIG. 2 is an enlarged view of the belt tensioning mechanism of FIG. 1 at A;
fig. 3 is a partial schematic view of the belt tensioning mechanism of fig. 1.
In the figure: 10. a mounting frame; 11. a bracket; 111. a first mounting hole; 12. a mounting base; 20. a mounting plate; 21. a first end; 22. a second end; 23. a second mounting hole; 30. a motor; 31. a rotating shaft; 40. a driving wheel; 50. driven wheel; 60. a belt; 70. an elastic member; 80. a limit screw; 90. a guide rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or be present as another intermediate element through which the element is fixed. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Fig. 1-3 illustrate a belt tensioning mechanism of the present utility model, comprising a mounting bracket 10, a mounting plate 20, a motor 30, a drive wheel 40, a driven wheel 50, a belt 60, an elastic member 70, a limit screw 80, and a guide bar 90.
In this embodiment:
the mounting frame 10 comprises a bracket 11 and a mounting seat 12, wherein the bracket 11 is fixedly arranged on one side of the mounting seat 12, and the bracket 11 is provided with a first mounting hole 111 for mounting the limit screw 80. In this embodiment, the number of the mounting seats 12 is 1, and the number of the brackets 11 is two, which are respectively located at two sides of the mounting plate 20.
The mounting plate 20 is movably mounted on the bracket 11, the mounting plate 20 comprises a first end 21 and a second end 22, the first end 21 and the second end 22 are fixedly connected and used for mounting the motor 30, the mounting plate 20 is provided with a second mounting hole 23 for mounting the limit screw 80, and the diameter of the second mounting hole 23 is larger than that of the first mounting hole 111. In this embodiment, the mounting plate 20 has an L-shaped cross-section, the first end 21 is parallel to the horizontal plane of the bracket 11, and the second end 22 is perpendicular to the horizontal plane of the bracket 11 and is located on one side of the bracket 11. The cross-sectional shape of the second mounting hole 23 is bar-shaped, preferably, the cross-sectional shape of the second mounting hole 23 is oval, so that the mounting plate 20 is not easy to damage when abutting against the limit screw 80.
The motor 30 is fixedly mounted on the mounting plate 20, and the motor 30 includes a rotation shaft 31, and the rotation shaft 31 extends through the mounting plate 20 and the bracket 11. In the present embodiment, the axial direction of the rotation shaft 31 is perpendicular to the first end 21, and the rotation shaft 31 extends through the first end 21 and the bracket 11.
The driving wheel 40 is mounted on the rotating shaft 31, and the rotating shaft 31 rotates to drive the driving wheel 40 to rotate.
The driven wheel 50 is mounted on the mounting seat 12 and located on one side of the bracket 11, and the driving wheel 40 rotates to drive the driven wheel 50 to rotate.
The belt 60 is wound around the driving pulley 40 and the driven pulley 50, and the driving pulley 40 and the driven pulley 50 synchronously rotate through the belt 60. In the present embodiment, the length direction of the belt 60 is perpendicular to the axial direction of the rotation shaft 31.
One end of the elastic member 70 is abutted against the bracket 11, the other end is abutted against the mounting plate 20, the elastic member 70 is in a compressed state and is used for providing pretightening force for the belt 60, the elastic member 70 pushes the mounting plate 20 to move and drives the driving wheel 40 to move, and therefore the distance between the driving wheel 40 and the driven wheel 50 is adjusted to realize automatic tensioning of the belt 60. In this embodiment, the elastic member 70 is a compression spring, so that the pushing force is more uniform, and the mounting plate 20 operates more stably.
The limit screw 80 is installed in the first mounting hole 111 and the second mounting hole 23, the limit screw 80 is a special screw, and after the limit screw 80 is screwed down, a gap still exists between the lower surface of the limit screw 80 and the mounting plate 20. The mounting plate 20 is mounted on the bracket 11 by the limit screw 80, and the limit screw 80 does not completely fix the mounting plate 20 on the bracket 11 due to a gap, so that the mounting plate 20 moves left and right under the elastic action of the elastic member 70. In this embodiment, the gap is 0.2 to 0.8mm in size, and the axial direction of the limit screw 80 is parallel to the axial direction of the rotation shaft 31.
The guide rod 90 is installed on the support 11 and penetrates through the mounting plate 20, the elastic piece 70 is sleeved outside the guide rod 90, the elastic piece 70 can push the mounting plate 20 to move along the axial direction of the guide rod 90, on one hand, guiding is provided for the operation of the mounting plate 20, on the other hand, the elastic piece 70 is prevented from being ejected in the movement process, and the driving force cannot be provided for the mounting plate 20. In this embodiment, the guide rod 90 is mounted on the bracket 11 through the second end 22, and the axial direction of the guide rod 90 is parallel to the first end 21.
In the utility model, because the elastic member 70 is in a compressed state, the elastic member 70 pushes the mounting plate 20 to move and drives the driving wheel 40 to move, so that the distance between the driving wheel 40 and the driven wheel 50 is adjusted, the belt 60 is automatically tensioned, and the tension of the belt 60 is ensured to be unchanged all the time. The utility model has simple structure and convenient operation, can avoid the harm of reducing the transmission precision due to the reduction of the tension of the belt 60 caused by the fatigue lengthening of the belt 60 after the belt 60 is used for a long time, and ensures the transmission precision of the die production.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, it is possible to make several modifications and improvements without departing from the concept of the present utility model, which are equivalent to the above embodiments according to the essential technology of the present utility model, and these are all included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a belt tensioning mechanism, includes mounting bracket, mounting panel, motor, action wheel, follows driving wheel, belt, its characterized in that: still include the elastic component, the mounting panel removes to be installed on the mounting bracket, motor fixed mounting is in on the mounting panel, the motor includes the axis of rotation, the action wheel is installed in the axis of rotation, install from the driving wheel on the mounting bracket and be located action wheel one side, the belt winds to be established action wheel, follow the driving wheel on, the elastic component be in compression state and one end with the mounting bracket butt, the other end with the mounting panel butt, the elastic component promotes the mounting panel removes and drives the action wheel removes, thereby adjusts the distance between action wheel and the driving wheel is in order to realize belt automatic tensioning.
2. The belt tensioning mechanism as in claim 1, wherein: the belt tensioning mechanism further comprises a limit screw, the mounting frame is provided with a first mounting hole, the mounting plate is provided with a second mounting hole, the diameter of the second mounting hole is larger than that of the first mounting hole, and the limit screw is mounted in the first mounting hole and the second mounting hole so that the mounting plate moves under the elastic action of the elastic piece.
3. The belt tensioning mechanism as in claim 2, wherein: the section shape of the second mounting hole is strip-shaped.
4. The belt tensioning mechanism as in claim 2, wherein: the axial direction of the limit screw is parallel to the axial direction of the rotating shaft.
5. The belt tensioning mechanism as in claim 1, wherein: the belt tensioning mechanism further comprises a guide rod, the guide rod is mounted on the mounting frame and penetrates through the mounting plate, the elastic piece is sleeved outside the guide rod, and the elastic piece can push the mounting plate to move along the axial direction of the guide rod.
6. The belt tensioning mechanism as in claim 5, wherein: the axial direction of the guide rod is perpendicular to the axial direction of the rotating shaft.
7. The belt tensioning mechanism as in claim 1, wherein: the cross-sectional shape of mounting panel is L shape, the mounting panel includes first tip, second tip, first tip, second tip fixed connection, first tip with the mounting bracket horizontal plane is parallel, the second tip with the mounting bracket horizontal plane is perpendicular and be located mounting panel one side.
8. The belt tensioning mechanism as in claim 1, wherein: the elastic piece is a pressure spring.
9. The belt tensioning mechanism as in claim 1, wherein: the mounting frame comprises a support and a mounting seat, the support and the mounting seat are fixedly connected, the mounting plate is movably mounted on the support, and the driven wheel is mounted on the mounting seat and located on one side of the support.
10. The belt tensioning mechanism as in claim 9, wherein: the number of the mounting seats is one, the number of the brackets is two, and the brackets are respectively positioned on two sides of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897240.0U CN219673198U (en) | 2023-04-20 | 2023-04-20 | Belt tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897240.0U CN219673198U (en) | 2023-04-20 | 2023-04-20 | Belt tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673198U true CN219673198U (en) | 2023-09-12 |
Family
ID=87922384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897240.0U Active CN219673198U (en) | 2023-04-20 | 2023-04-20 | Belt tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673198U (en) |
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2023
- 2023-04-20 CN CN202320897240.0U patent/CN219673198U/en active Active
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