CN219839268U - Roller tensioning and adjusting system - Google Patents
Roller tensioning and adjusting system Download PDFInfo
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- CN219839268U CN219839268U CN202321074279.9U CN202321074279U CN219839268U CN 219839268 U CN219839268 U CN 219839268U CN 202321074279 U CN202321074279 U CN 202321074279U CN 219839268 U CN219839268 U CN 219839268U
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Abstract
The utility model discloses a roller tensioning and adjusting system which comprises a fixed disc and a movable disc which are axially arranged in parallel, wherein a movable groove and a fixed groove are respectively formed in the movable disc and the fixed disc, a roller shaft is slidably arranged in the movable groove, the other end of the roller shaft penetrates through the fixed groove to be connected with a roller, and the movable groove and the fixed groove are axially intersected; the device also comprises a driving mechanism for driving the movable disc to rotate. According to the system, the fixed disc and the movable disc are arranged, the fixed grooves and the movable grooves are arranged on the fixed disc and the movable disc, the movable disc is driven to rotate through the set of driving mechanism, at least 2 roll shafts are driven to slide along the fixed grooves and the movable grooves respectively, meanwhile, efficient adjustment is realized through driving, the same movable disc provides power for each roll shaft, errors in the driving process are reduced, the accuracy is high, and meanwhile, the requirements of high efficiency and accuracy in roller tensioning adjustment are met.
Description
Technical Field
The utility model relates to the technical field of roller tensioning, in particular to a roller tensioning and adjusting system.
Background
In the conveying process of long-shaped materials such as strips and wires, certain requirements are met on the tightness of the materials under partial conditions, and a tensioning and adjusting system is arranged in a conveying mechanism of the materials and has the function of adjusting the tightness of the conveyed materials.
In prior art, in order to promote the efficiency of tensioning regulation, improve the upper and lower limit of rate of tension, the common practice is to set up the roller that exceeds an adjustable position, carries out the regulation of position to 2 at least rollers promptly, adjusts the rate of tension fast through the position control of 2 at least rollers, obtains bigger accommodation simultaneously, and the drawback of this kind of mechanism lies in:
the roller tensioning adjustment system is characterized in that the adjustment of the positions of 2 rollers and a plurality of rollers is realized by respectively providing driving mechanisms, in the adjustment process, if a single roller action mode is adopted, the advantage of improving the adjustment efficiency is lost, if a plurality of rollers simultaneously act, the improvement of the adjustment efficiency is obvious, but because the driving mechanisms are more, the transmission mechanisms are more, and different driving mechanisms are simultaneously driven, the increase of the overall error can be caused, the accuracy of the tension degree is reduced, and therefore, the adjustment of the positions of 2 rollers and a plurality of rollers is required, and the roller tensioning adjustment system which can simultaneously meet the requirements of high efficiency and accuracy is designed.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the roller tensioning and adjusting system, which is characterized in that a fixed disc and a movable disc are arranged, the fixed grooves and the movable grooves are designed on the fixed disc and the movable disc, the movable disc is driven to rotate through a set of driving mechanism, at least 2 roller shafts are driven to slide along the movable grooves and the fixed grooves respectively, meanwhile, the efficient adjustment is realized through driving, the error in the driving process is reduced by providing power for each roller shaft through the same movable disc, the accuracy is high, and meanwhile, the requirements of high efficiency and accuracy in roller tensioning and adjusting are met.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a roller tensioning and adjusting system, which comprises a fixed disc and a movable disc which are axially arranged in parallel, wherein a movable groove and a fixed groove are respectively formed in the movable disc and the fixed disc, a roller shaft is slidably arranged in the movable groove, the other end of the roller shaft penetrates through the fixed groove to be connected with a roller, the roller shaft, the movable groove and the fixed groove form a roller unit, and the system comprises at least two roller units;
the distance between the two ends of the fixed groove and the central position of the fixed disc is different, the distance between the two ends of the movable groove and the central position of the movable disc is the same as the distance between the two ends of the fixed groove and the central position of the fixed disc, and the movable groove and the fixed groove are intersected in the axial direction;
the device also comprises a driving mechanism for driving the movable disc to rotate.
The roller tensioning and adjusting system is arranged in a conveying path for conveying materials, the conveying materials sequentially bypass each roller, when tensioning and adjusting are carried out, the driving mechanism drives the movable plate to rotate, the movable plate rotates to drive the rollers to rotate, because the rollers are limited by the fixed grooves and the movable grooves at the same time, the rollers can only move along the positions where the movable grooves intersect with the fixed grooves in the axial direction, the distances between the two ends of the fixed grooves and the central position of the fixed plate are different, namely, each roller moves towards the central position of the fixed plate at the same time in the moving process, the distance between each roller changes in the gathering or dispersing process of each roller, namely, the travel of the conveying materials in the moving process of each roller changes, the roller tensioning and adjusting effect is realized, and because all rollers move at the same time, the adjusting efficiency is high, and all rollers are driven by the same movable plate, so that errors in the transmission process are reduced, and the tensioning and adjusting precision is ensured.
According to the roller tensioning adjusting system, the fixed disc and the movable disc are arranged, the fixed grooves and the movable grooves are arranged on the fixed disc and the movable disc, the movable disc is driven to rotate through the set of driving mechanism, at least 2 roller shafts are driven to slide along the fixed grooves and the movable grooves respectively, meanwhile, efficient adjustment is realized through driving, the same movable disc provides power for each roller shaft, errors in the driving process are reduced, the accuracy is high, and meanwhile, the requirements of high efficiency and accuracy in roller tensioning adjustment are met.
In a further technical scheme, the fixed disc and the movable disc are both circular discs, and the fixed disc and the movable disc are coaxially arranged.
The fixed disc and the movable disc which are of circular structures and coaxially arranged are convenient for designing and processing the movable groove and the fixed groove.
In a further technical scheme, the driving mechanism comprises a driving part and a rack arranged at the edge of the movable disc, and the output end of the driving part is meshed with the rack.
Through rack drive movable plate rotation, make things convenient for the setting of drive division, can also obtain great moment of torsion, drive stability is better.
In a further technical scheme, the fixed groove is one section which extends linearly from the center position of the fixed disk to the edge of the fixed disk.
The linear design of the fixed groove is convenient for calculating the travel change of the conveying material brought by the action of each roller.
In a further technical scheme, at least 2 fixed slots are arranged in an annular array with the center of the fixed disk as the center.
The array arrangement of the fixed grooves ensures that the distance change among different rollers is the same, namely the position change of each roller is consistent, the travel change of the conveying material among the rollers is consistent, and the conveying material is stressed evenly among the rollers when the rollers are spread, so that the safety is higher.
In a further technical scheme, the movable groove is arc-shaped.
Because the movable groove and the fixed groove are intersected in the axial direction of the movable disc, the roll shaft needs to slide in the fixed groove and the movable groove at the same time, and the movable groove is arranged into an arc shape, so that the roll shaft slides more smoothly.
In a further technical scheme, at least 2 movable grooves are arranged in an annular array with the center of the movable disc as the center of a circle.
The movable grooves arranged in an array enable the force applied to the roll shaft by the movable disc through the movable grooves to be the same when the movable disc rotates, and the displacement and self abrasion of the roll shaft can be unified.
In a further technical scheme, the output end of the driving part is provided with a driving gear, and the driving gear is meshed with the rack.
The gear is meshed with the rack, so that the cost is low, and the arrangement is convenient.
In a further technical scheme, the driving mechanism further comprises a self-locking structure.
The self-locking structure can limit the movable disc, so that the movable disc is prevented from rotating due to the force from the roll shaft, and the tensioning effect is ensured.
The beneficial effects are that:
1. according to the roller tensioning adjusting system, the fixed disc and the movable disc are arranged, the fixed grooves and the movable grooves are arranged on the fixed disc and the movable disc, the movable disc is driven to rotate through the set of driving mechanism, at least 2 roller shafts are driven to slide along the fixed grooves and the movable grooves respectively, meanwhile, efficient adjustment is realized through driving, the same movable disc provides power for each roller shaft, errors in the driving process are reduced, the accuracy is high, and meanwhile, the requirements of high efficiency and accuracy in roller tensioning adjustment are met.
2. The fixed disc and the movable disc which are of circular structures and coaxially arranged are convenient for designing and processing the movable groove and the fixed groove.
3. Through rack drive movable plate rotation, make things convenient for the setting of drive division, can also obtain great moment of torsion, drive stability is better.
4. The linear design of the fixed groove is convenient for calculating the travel change of the conveying material brought by the action of each roller.
5. The array arrangement of the fixed grooves ensures that the distance change among different rollers is the same, namely the position change of each roller is consistent, the travel change of the conveying material among the rollers is consistent, and the conveying material is stressed evenly among the rollers when the rollers are spread, so that the safety is higher.
6. Because the movable groove and the fixed groove are intersected in the axial direction of the movable disc, the roll shaft needs to slide in the fixed groove and the movable groove at the same time, and the movable groove is arranged into an arc shape, so that the roll shaft slides more smoothly.
7. The movable grooves arranged in an array enable the force applied to the roll shaft by the movable disc through the movable grooves to be the same when the movable disc rotates, and the displacement and self abrasion of the roll shaft can be unified.
8. The gear is meshed with the rack, so that the cost is low, and the arrangement is convenient.
9. The self-locking structure can limit the movable disc, so that the movable disc is prevented from rotating due to the force from the roll shaft, and the tensioning effect is ensured.
Drawings
FIG. 1 is a schematic overall side view of a roller tensioning adjustment system of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a roller tensioning adjustment system according to an embodiment of the present utility model in tensioning adjustment of maximum tensioning force;
FIG. 3 is a schematic view of the roller tensioning adjustment system of an embodiment of the present utility model in tensioning the minimum tensioning force;
FIG. 4 is a schematic view of a roller tensioning adjustment system according to an embodiment of the present utility model with the roller removed during tensioning to adjust maximum tensioning force;
FIG. 5 is a schematic view of the roller tensioning adjustment system of one embodiment of the present utility model with the roller and stator removed during tensioning to adjust maximum tensioning force;
FIG. 6 is a schematic view of the structure of one embodiment of FIG. 2 with the addition of a dynamic slot;
FIG. 7 is a schematic view of the structure of FIG. 6 after rotation through 15;
FIG. 8 is a schematic view of the structure of the movable plate of FIG. 6 after 40 degrees of rotation;
FIG. 9 is a schematic view of a roller tensioning adjustment system according to another embodiment of the present utility model with the roller and stator removed during tensioning to adjust maximum tensioning force.
FIG. 10 is a schematic view of the structure of the other embodiment of FIG. 2 with the addition of a dynamic slot;
FIG. 11 is a schematic view of the structure of FIG. 10 after rotation through 45;
FIG. 12 is a schematic view of the structure of FIG. 10 after rotating 90 degrees
10. A frame; 20. a movable plate; 21. a movable groove; 22. a rack; 30. a fixed disk; 31. a fixed groove; 40. a roller; 41. a roll shaft; 50. and driving the motor.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
examples:
the roller tensioning and adjusting system comprises a fixed disc 30 and a movable disc 20 which are axially arranged in parallel, wherein a movable groove 21 and a fixed groove 31 are respectively formed in the movable disc 20 and the fixed disc 30 as shown in fig. 4 and 5, a roller shaft 41 is slidably arranged in the movable groove 21, the other end of the roller shaft 41 penetrates through the fixed groove 31 to be connected with a roller 40, the roller shaft 41, the movable groove 21 and the fixed groove 31 form a roller 40 unit, and the system comprises at least two roller 40 units;
in this embodiment, as shown in fig. 2 and 3, the system includes 4 roller 40 units.
As shown in fig. 4, the distance between the both ends of the fixed groove 31 and the center position of the fixed plate 30 is different, and as shown in fig. 6 and 8, the distance between the both ends of the movable groove 21 and the center position of the movable plate 20 is the same as the distance between the both ends of the fixed groove 31 and the center position of the fixed plate 30, and the movable groove 21 and the fixed groove 31 intersect in the axial direction; in fig. 6 and 8, the movable groove 21 is shown in broken lines.
And a driving mechanism for driving the movable disk 20 to rotate.
In this embodiment, as shown in fig. 1, the device further comprises a frame 10, and the frame 10 is used for mounting a driving mechanism, a movable disk 20 and a fixed disk 30.
The roller tensioning adjustment system is arranged in a conveying path for conveying materials, as shown in fig. 2 and 3, the conveying materials sequentially bypass each roller 40, when tensioning adjustment is carried out, the driving mechanism drives the movable disc 20 to rotate, and when the movable disc 20 rotates, the rollers 40 are driven to rotate, because the rollers 40 are limited by the fixed grooves 31 and the movable grooves 21 at the same time, the rollers can only move along the intersecting positions of the movable grooves 21 and the fixed grooves 31 in the axial direction, the distances between the two ends of the fixed grooves 31 and the central position of the fixed disc 30 are different, namely, each roller 40 moves towards the central position of the fixed disc 30 at the same time in the moving process, the distance between the rollers 40 changes in the gathering or scattering process, namely, the travel of the conveying materials during the traveling of each roller 40 changes, the tensioning adjustment effect on the rollers 40 is realized, and because all the rollers 40 move at the same time, the adjusting efficiency is high, all the rollers 40 are driven by the same movable disc 20, thus errors in the transmission process are reduced, and the tensioning adjustment accuracy is ensured.
In the prior art, the independently mounted rollers 40 cooperate with the structure of the driving mechanism to receive a reaction force from the conveyed material during tensioning, i.e. the driving mechanism is always stressed in a tensioned state, and the life of the driving mechanism is also affected in case of long-term compression of the driving mechanism.
In this embodiment, it can be understood that, as shown in fig. 2 and 3, the force applied to the roller 40 by the conveying material is not uniform in the direction of the force transmitted to the movable disk 20 by the different rollers 40 under the restriction of the fixed slot 31, wherein the force applied to the movable disk 20 by the upper and left rollers 40 is directed toward the center of the movable disk 20, and the force applied to the movable disk 20 by the right and lower rollers 40 is directed toward the outside of the movable disk 20, i.e., the roller tension adjustment system of the present utility model can also have a certain self-locking capability by itself, reducing the reaction force applied to the movable disk 20 by the cancellation of the force applied to the movable disk 20 by the rollers 40 at different positions.
According to the roller tensioning adjustment system, through the design of the fixed disc 30 and the movable disc 20, the fixed grooves 31 and the movable grooves 21 are arranged on the fixed disc and the movable disc, the movable disc 20 is driven to rotate through a set of driving mechanism, at least 2 roller shafts 41 are driven to slide along the movable grooves 21 and the fixed grooves 31 respectively, efficient adjustment is realized through driving, the same movable disc 20 provides power for the roller shafts 41, errors in the driving process are reduced, accuracy is high, and meanwhile, the requirements of high efficiency and accuracy in tensioning adjustment of the roller 40 are met.
In one embodiment, as shown in fig. 4 and 5, the fixed disk 30 and the movable disk 20 are circular disks, and the fixed disk 30 and the movable disk 20 are coaxially disposed.
The fixed disk 30 and the movable disk 20 which are of circular structure and coaxially arranged are convenient for designing and processing the movable groove 21 and the fixed groove 31.
In one embodiment, as shown in fig. 4 and 5, the driving mechanism includes a driving part and a rack gear 22 provided at an edge of the movable plate 20, and an output end of the driving part is engaged with the rack gear 22.
The movable disk 20 is driven to rotate through the rack 22, so that the setting of a driving part is facilitated, larger torque can be obtained, and the driving stability is better.
In one embodiment, as shown in fig. 4, the fixed groove 31 is one of the sections extending straight from the center position of the fixed disk 30 toward the edge thereof.
The linear design of the fixed slot 31 facilitates the calculation of the travel change of the conveying material caused by the action of each roller 40.
In one embodiment, as shown in fig. 4, at least 2 fixed slots 31 are arranged in an annular array around the center of the fixed disk 30.
In the present embodiment, the number of the fixed grooves 31 is 4.
The arrangement of the array of the fixed grooves 31 enables the distance change among different rollers 40 to be the same, namely the position change of each roller 40 is consistent, the travel change of the conveying material among the rollers 40 is consistent, the conveying material is stressed evenly among the rollers 40 when the rollers 40 are spread, and the safety is higher.
In one embodiment, as shown in FIG. 5, the movable slot 21 is arcuate.
Since the movable groove 21 and the fixed groove 31 intersect in the axial direction of the movable disk 20, the roller shaft 41 needs to slide in the fixed groove 31 and the movable groove 21 at the same time, and the movable groove 21 is provided in an arc shape, so that the sliding of the roller shaft 41 is smoother.
In one embodiment, as shown in fig. 5, at least 2 movable grooves 21 are arranged in an annular array with the center of the movable disk 20 as the center.
In the present embodiment, the number of the movable grooves 21 is 4.
The arrangement of the movable grooves 21 in an array enables the same force to be applied to the roller shaft 41 by the movable disk 20 through the movable grooves 21 when the movable disk rotates, and the displacement amount of the roller shaft 41 and the self-abrasion can be unified.
In one embodiment, as shown in fig. 5 to 8, the rotating stroke of the movable disk 20 is 40 °, and fig. 6 to 8 sequentially show the positions of the movable disk 20 and the movable slot 21 when the roller 41 is at the most distal, middle and most proximal ends, it can be seen that the roller 41 is at both ends of the fixed slot 31 and also at both ends of the movable slot 21, and the movable disk 20 can drive the roller 41 to move along the fixed slot 31 when rotating, and in fig. 7, the movable slot 21 is indicated by a dotted line.
In another embodiment, as shown in fig. 9 to 12, the rotating stroke of the movable disk 20 is 90 ° in the present embodiment, and the difference between the present embodiment and the previous embodiment is that the rotating stroke of the movable disk 20 is longer, and the roller shaft 41 operates slower but has better stability in the case of the same tooth ratio.
In fig. 10 to 12, the movable groove 21 is shown in broken lines.
In one embodiment, the movable disk 20 may have a rectangular shape, a frame-shaped structure designed for the shape of the movable slot 21, and other shapes, and the key structure is to provide the movable slot 21 and an arc-shaped rack 22 around the movable slot for driving, that is, in this embodiment, the structure of the movable disk 20 may be further simplified.
In one embodiment, the shape of the fixed disk 30 may be rectangular, a frame-shaped structure designed for the shape of the fixed slot 31, or other shapes, and the key structure is that the fixed slot 31 is provided and fixed, that is, in this embodiment, the structure of the fixed disk 30 may be further simplified.
In one embodiment, as shown in fig. 1, the output end of the drive section is provided with a drive gear which meshes with the rack 22.
In the present embodiment, as shown in fig. 1, the driving section is a driving motor 50.
By the engagement of the gear and the rack 22, the cost is low and the arrangement is convenient.
In one embodiment, the drive mechanism further comprises a self-locking structure.
The self-locking structure can limit the movable disc 20, so that the movable disc 20 is prevented from rotating due to the force from the roll shaft 41, and the tensioning effect is ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (9)
1. The roller tensioning and adjusting system is characterized by comprising a fixed disc and a movable disc which are axially arranged in parallel, wherein a movable groove and a fixed groove are respectively formed in the movable disc and the fixed disc, a roller shaft is slidably arranged in the movable groove, the other end of the roller shaft penetrates through the fixed groove to be connected with a roller, the roller shaft, the movable groove and the fixed groove form a roller unit, and the system comprises at least two roller units;
the distance between the two ends of the fixed groove and the central position of the fixed disc is different, the distance between the two ends of the movable groove and the central position of the movable disc is the same as the distance between the two ends of the fixed groove and the central position of the fixed disc, and the movable groove and the fixed groove are intersected in the axial direction;
the device also comprises a driving mechanism for driving the movable disc to rotate.
2. The roller tensioning adjustment system according to claim 1, wherein the fixed and movable disks are circular disks, and the fixed and movable disks are coaxially disposed.
3. A roller tensioning adjustment system according to claim 1 or 2, characterized in that the drive mechanism comprises a drive part and a rack provided at the edge of the movable disc, the output end of the drive part being in engagement with the rack.
4. A roller tensioning adjustment system according to claim 1 or 2 wherein the fixed slot is one of the sections extending straight along the centre of the fixed disc towards its edges.
5. The roller tensioning adjustment system according to claim 4, wherein at least 2 of the stator slots are arranged in an annular array centered on a center position of the stator plate.
6. A roller tensioning adjustment system according to claim 1 or 2, wherein the dynamic groove is arcuate.
7. The roller tensioning adjustment system according to claim 6, wherein at least 2 of the moving grooves are arranged in an annular array centered on a center position of the moving plate.
8. A roller tensioning adjustment system according to claim 3, characterized in that the output end of the drive part is provided with a drive gear which meshes with the rack.
9. The roller tensioning adjustment system of claim 8, wherein the drive mechanism further comprises a self-locking structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074279.9U CN219839268U (en) | 2023-05-08 | 2023-05-08 | Roller tensioning and adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074279.9U CN219839268U (en) | 2023-05-08 | 2023-05-08 | Roller tensioning and adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219839268U true CN219839268U (en) | 2023-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074279.9U Active CN219839268U (en) | 2023-05-08 | 2023-05-08 | Roller tensioning and adjusting system |
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| Country | Link |
|---|---|
| CN (1) | CN219839268U (en) |
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2023
- 2023-05-08 CN CN202321074279.9U patent/CN219839268U/en active Active
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