CN216685023U - Coaxial time-sharing transmission device - Google Patents
Coaxial time-sharing transmission device Download PDFInfo
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- CN216685023U CN216685023U CN202123178726.9U CN202123178726U CN216685023U CN 216685023 U CN216685023 U CN 216685023U CN 202123178726 U CN202123178726 U CN 202123178726U CN 216685023 U CN216685023 U CN 216685023U
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Abstract
The utility model discloses a coaxial time-sharing transmission device, which comprises a rack, wherein time-sharing transmission mechanisms are arranged at two ends of the rack, each time-sharing transmission mechanism comprises a central shaft, a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are sleeved on the outer ring of the central shaft, and the first transmission wheel and the second transmission wheel are rotationally connected with the central shaft; two sides of one group of time-sharing transmission mechanisms of the rack are provided with driving mechanisms, and each driving mechanism comprises a first servo motor connected with the first transmission wheel and a second servo motor connected with the second transmission wheel; the two first transmission wheels at the two ends of the rack are sleeved with the first transmission belts, and the two second transmission wheels are sleeved with the second transmission belts.
Description
Technical Field
The utility model relates to the technical field of food packaging and transmission equipment, in particular to a coaxial time-sharing transmission device.
Background
In the field of back-end packaging in the food industry, small packages or semi-finished products need to be automatically loaded into large packaging boxes when producing some small packaged products, and due to the fact that production speed is high, a device is needed to perform functions of on-line fast steering, grouping and the like on the small packaged products so as to achieve fast packaging. In current not coaxial transmission, final drive shaft leans on two axle transmissions respectively, and the motor is connected to the one end of axle, and the other end receives spatial structure restriction and unsettled installation, and two motors respectively drive cantilever axle transmissions, and this transmission faces in the operation in-process, and the effect of the off-loading when the hold-in range operates is received to the cantilever axle, and long-time high-speed operation axle can bending deformation, leads to the operation unstable, and the axle card is dead, and motor load is too high, leads to the hold-in range off tracking, disconnected axle even, motor overload scheduling problem.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: the utility model discloses a coaxial time-sharing transmission device which integrates two synchronous belt main transmission shafts into one shaft to carry out coaxial design, has stable transmission and enhances the stability of equipment, and aims to overcome the defects that the cantilever shaft structure of the existing time-sharing transmission equipment is easy to generate eccentric load force, cause deviation of synchronous belts and damage the equipment.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
a coaxial time-sharing transmission device comprises a rack, wherein time-sharing transmission mechanisms are arranged at two ends of the rack and comprise a central shaft, a first transmission wheel and a second transmission wheel which are sleeved on the outer ring of the central shaft, and the first transmission wheel and the second transmission wheel are rotatably connected with the central shaft; the two sides of one group of time-sharing transmission mechanisms of the rack are provided with driving mechanisms, and each driving mechanism comprises a first servo motor connected with the first transmission wheel and a second servo motor connected with the second transmission wheel; first conveyor belts are sleeved on the two first driving wheels at the two ends of the rack, and second conveyor belts are sleeved on the two second driving wheels.
Preferably, the first servo motor is connected with the first transmission wheel through the first transmission assembly, the second servo motor is connected with the second transmission wheel through the second transmission assembly, and the first transmission assembly and the second transmission assembly are identical in structure; first drive assembly includes driving pulley, driven pulleys, hold-in range and hollow shaft, and driving pulley is connected with a servo motor's drive end, and driving pulley and driven pulleys are connected to the hold-in range, and hollow shaft one end is worn to establish with one heart in the driven pulleys and with driven pulleys synchronous rotation, cup joints the outer lane at the center pin behind the curb plate of frame is passed to the other end, sets up hollow shaft inner bearing between center pin and the hollow shaft, hollow shaft tip and first drive wheel fixed connection.
Preferably, the outer side of the side plate of the rack is provided with a hollow shaft outer bearing for assisting the hollow shaft to rotate, and the hollow shaft outer bearing is fixed on the side plate through a bearing cover; the number of the hollow shaft inner bearings is two, and a spacer bush for fixing the axial position is arranged between two adjacent hollow shaft inner bearings.
Preferably, a boss for separating the first driving wheel from the second driving wheel is arranged in the middle of the central shaft, the first driving wheel and the second driving wheel are both connected with the central shaft in a matched mode through pulley bearings, step counter bores for positioning the pulley bearings are arranged at two ends of the first driving wheel and the second driving wheel, and the pulley bearings close to the inner side are limited between step faces of the boss and the step counter bores.
Preferably, in the utility model, the time-sharing transmission mechanism provided with the driving mechanism is a driving transmission mechanism, the time-sharing transmission mechanism provided with the driving mechanism is a driven transmission mechanism, the frame is provided with the tensioning mechanism along the direction parallel to the transmission direction, the tensioning mechanism comprises a tensioning block and a tensioning bolt which are fixed on the side plate, the tensioning bolt is screwed on the tensioning block, and the end part of the tensioning bolt is over against the central shaft of the driven transmission mechanism.
Has the advantages that: the coaxial time-sharing transmission device provided by the utility model has the following beneficial effects:
in the running process of the device, the hollow shaft is directly driven by the two motors to transmit, the other end of the hollow shaft is directly connected with the synchronous belt pulley, and the two synchronous belt pulleys are coaxially fixed between the mounting plates through coaxial transmission; compact structure, simple to operate is swift, the maintenance of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
the device comprises a rack 1, a time-sharing transmission mechanism 2, a central shaft 3, a first transmission wheel 4, a second transmission wheel 5, a driving mechanism 6, a first servo motor 7, a second servo motor 8, a first transmission belt 9, a second transmission belt 10, a driving pulley 11, a driven pulley 12, a synchronous belt 13, a hollow shaft 14, a hollow shaft inner bearing 15, a side plate 16, a hollow shaft outer bearing 17, a bearing cover 18, a spacer bush 19, a boss 20, a pulley bearing 21, a tensioning mechanism 22, a tensioning bolt 23 and a tensioning block 24.
Detailed Description
The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the utility model to the described embodiment.
As shown in fig. 1 and 2, the coaxial time-sharing transmission device disclosed by the utility model comprises a frame 1, wherein time-sharing transmission mechanisms 2 are respectively arranged at two ends of the frame 1, each time-sharing transmission mechanism 2 comprises a central shaft 3, and a first transmission wheel 4 and a second transmission wheel 5 which are sleeved on the outer ring of the central shaft 3, and the first transmission wheel 4 and the second transmission wheel 5 are both rotatably connected with the central shaft 3; two sides of one group of time-sharing transmission mechanisms of the rack 1 are provided with driving mechanisms 6, and each driving mechanism 6 comprises a first servo motor 7 connected with the first transmission wheel 4 and a second servo motor 8 connected with the second transmission wheel 5; two first driving wheels at two ends of the frame 1 are sleeved with first conveyor belts 9, and two second driving wheels are sleeved with second conveyor belts 10.
The first driving wheel 4 and the second driving wheel 5 are driven to rotate independently through two different motors respectively and are not influenced mutually; the central shaft 3 is used as a coaxial support, so that the problems of shaft deformation and conveyor belt deviation generated in the long-term running process are avoided.
In a specific embodiment, the first servo motor 7 of the present invention is connected with the first transmission wheel 4 through a first transmission component, the second servo motor 8 is connected with the second transmission wheel 5 through a second transmission component, and the first transmission component and the second transmission component have the same structure; first drive assembly includes driving pulley 11, driven pulley 12, hold-in range 13 and hollow shaft 14, driving pulley 11 is connected with first servo motor 7's drive end, driving pulley 11 and driven pulley 12 are connected to hold-in range 13, 14 one ends of hollow shaft wear to establish in driven pulley 12 and with driven pulley 12 synchronous rotation with one heart, the other end passes and cup joints the outer lane at center pin 3 behind the curb plate 16 of frame 1, set up hollow shaft inner bearing 15 between center pin 3 and the hollow shaft 14, 14 tip of hollow shaft and 4 fixed connection of first drive wheel. The first transmission wheel and the second transmission wheel are independently rotated through the hollow shaft, the central shaft cannot be driven to rotate, and the conveying of the two conveying belts at different speeds and the starting and stopping of the two conveying belts at different times are realized.
In a specific embodiment, the outer side of the side plate 16 of the frame 1 of the utility model is provided with a hollow shaft outer bearing 17 for assisting the hollow shaft 14 to rotate, and the hollow shaft outer bearing 17 is fixed on the side plate 16 through a bearing cover 18; the number of the hollow shaft inner bearings 15 is two, and a spacer bush 19 for fixing the axial position is arranged between two adjacent hollow shaft inner bearings, so that the rotation resistance is reduced, and the transmission efficiency of the motor power is ensured.
In order to facilitate the positioning of the first driving wheel and the second driving wheel, the middle part of the central shaft 3 is provided with a boss 20 for separating the first driving wheel and the second driving wheel, the first driving wheel 4 and the second driving wheel 5 are both in matched connection with the central shaft 3 through a pulley bearing 21, step counter bores for positioning the pulley bearing 21 are arranged at two ends of the first driving wheel 4 and the second driving wheel 5, the pulley bearing close to the inner side is limited between the step surface of the boss 20 and the step counter bores, the positioning of the pulley bearing is realized through the counter bore structure matched with the boss, the mounting difficulty is reduced, and the compatibility is good.
The time-sharing transmission mechanism provided with the driving mechanism is a driving transmission mechanism, the other time-sharing transmission mechanism is a driven transmission mechanism, in the process of long-term operation, the tension force is insufficient due to the plastic deformation of the conveyor belt, and the conveying is affected, therefore, the utility model arranges a tension mechanism 22 on the frame 1 along the direction parallel to the transmission direction, the tension mechanism 22 comprises a tension block 23 and a tension bolt 24 which are fixed on the side plate 16, the tension bolt 23 is screwed on the tension block 24, the end part of the tension bolt 23 is opposite to the central shaft of the driven transmission mechanism, a sliding groove for sliding the central shaft can be preset on the side plate, the central shaft of the driven transmission mechanism is tightly pushed by a tensioning bolt matched with the conveying belt, when the corresponding conveyor belt becomes loose, the tensioning bolt 23 is rotated to push the driven transmission mechanism to slide towards one end far away from the driving transmission mechanism, and the corresponding conveyor belt is tensioned again.
When the coaxial time-sharing transmission device provided by the utility model is used, the first servo motor 7 drives the first transmission wheel 4 to rotate, the second servo motor 8 drives the second transmission wheel 5 to rotate, so that the transmission belt runs to realize the transmission of objects, and in the rotating process of the first transmission wheel 4 and the second transmission wheel 5, the pulley bearing 21 and the hollow shaft inner bearing 15 rotate to keep the central shaft 3 still, so that the first transmission wheel 4 and the second transmission wheel 5 are not influenced by each other, and the coaxial time-sharing transmission is realized.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (5)
1. A coaxial time-sharing transmission device is characterized by comprising a rack (1), wherein time-sharing transmission mechanisms (2) are arranged at two ends of the rack (1), each time-sharing transmission mechanism (2) comprises a central shaft (3), a first transmission wheel (4) and a second transmission wheel (5) which are sleeved on the outer ring of the central shaft (3), and the first transmission wheel (4) and the second transmission wheel (5) are rotatably connected with the central shaft (3); two sides of one group of time-sharing transmission mechanisms of the rack (1) are provided with driving mechanisms (6), and each driving mechanism (6) comprises a first servo motor (7) connected with the first transmission wheel (4) and a second servo motor (8) connected with the second transmission wheel (5); two first driving wheels at two ends of the frame (1) are sleeved with first conveying belts (9), and two second driving wheels are sleeved with second conveying belts (10).
2. A coaxial time sharing transmission according to claim 1, wherein the first servomotor (7) is connected to the first transmission wheel (4) through a first transmission assembly, the second servomotor (8) is connected to the second transmission wheel (5) through a second transmission assembly, and the first transmission assembly and the second transmission assembly are identical in structure; first drive assembly includes driving pulley (11), driven pulley (12), hold-in range (13) and hollow shaft (14), driving pulley (11) are connected with the drive end of first servo motor (7), driving pulley (11) and driven pulley (12) are connected in hold-in range (13), hollow shaft (14) one end is worn to establish in driven pulley (12) and with driven pulley (12) synchronous revolution with one heart, the other end passes cup joints the outer lane at center pin (3) behind curb plate (16) of frame (1), set up hollow shaft inner bearing (15) between center pin (3) and hollow shaft (14), hollow shaft (14) tip and first drive wheel (4) fixed connection.
3. A coaxial time sharing transmission according to claim 2, characterized in that a hollow shaft outer bearing (17) for assisting the rotation of the hollow shaft (14) is provided outside the side plate (16) of the frame (1), the hollow shaft outer bearing (17) being fixed to the side plate (16) by a bearing cover (18); the number of the hollow shaft inner bearings (15) is two, and a spacer bush (19) for fixing the axial position is arranged between two adjacent hollow shaft inner bearings.
4. A coaxial time sharing transmission device according to claim 2, wherein a boss (20) for separating the first transmission wheel and the second transmission wheel is arranged in the middle of the central shaft (3), the first transmission wheel (4) and the second transmission wheel (5) are both connected with the central shaft (3) in a matching way through a pulley bearing (21), step counter bores for positioning the pulley bearing (21) are arranged at two ends of the first transmission wheel (4) and the second transmission wheel (5), and the bearing close to the inner pulley is limited between the step surface of the boss (20) and the step counter bores.
5. A coaxial time sharing transmission device according to claim 2, wherein the time sharing transmission mechanism provided with the driving mechanism is a driving transmission mechanism, the time sharing transmission mechanism of the other component is a driven transmission mechanism, the frame (1) is provided with the tensioning mechanism (22) along the direction parallel to the transmission direction, the tensioning mechanism (22) comprises a tensioning block (24) fixed on the side plate (16) and a tensioning bolt (23), the tensioning bolt (23) is screwed on the tensioning block (24), and the end part of the tensioning bolt (23) is opposite to the central shaft of the driven transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123178726.9U CN216685023U (en) | 2021-12-17 | 2021-12-17 | Coaxial time-sharing transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123178726.9U CN216685023U (en) | 2021-12-17 | 2021-12-17 | Coaxial time-sharing transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216685023U true CN216685023U (en) | 2022-06-07 |
Family
ID=81840837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123178726.9U Active CN216685023U (en) | 2021-12-17 | 2021-12-17 | Coaxial time-sharing transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216685023U (en) |
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2021
- 2021-12-17 CN CN202123178726.9U patent/CN216685023U/en active Active
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