CN219692157U - Unidirectional automatic tensioning correction device for synchronous belt - Google Patents
Unidirectional automatic tensioning correction device for synchronous belt Download PDFInfo
- Publication number
- CN219692157U CN219692157U CN202320317932.3U CN202320317932U CN219692157U CN 219692157 U CN219692157 U CN 219692157U CN 202320317932 U CN202320317932 U CN 202320317932U CN 219692157 U CN219692157 U CN 219692157U
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- synchronous belt
- tension
- mounting substrate
- tensioning
- unidirectional automatic
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000010517 secondary reaction Methods 0.000 claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 19
- 229920002334 Spandex Polymers 0.000 claims abstract description 13
- 239000004759 spandex Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 230000003373 anti-fouling effect Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 12
- 230000009191 jumping Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model relates to the technical field of synchronous belt tensioning, in particular to a unidirectional automatic tensioning correction device of a synchronous belt, which comprises a mounting substrate, a movable tensioning module arranged at the front end part of the upper end face of the mounting substrate, and a servo electric push rod arranged at the rear end part of the upper end face of the mounting substrate, wherein the movable tensioning module comprises a linear guide rail arranged at the front end part of the mounting substrate and arranged along the front-back direction, a movable seat assembly arranged on the linear guide rail in a movable manner, a tensioning shaft vertically arranged on the movable seat assembly, and a tensioning wheel rotatably arranged at the upper end part of the tensioning shaft, and the front end of a telescopic rod of the servo electric push rod is transversely connected to one side of the lower end part of the tensioning shaft. According to the utility model, by improving the existing synchronous belt tensioning mechanism, the adaptability of the synchronous belt tensioning mechanism to the torque-variable work is improved, and the uniformity of the feeding and mixing of the secondary reaction of spandex polymerization is further improved.
Description
Technical Field
The utility model relates to the technical field of synchronous belt tensioning, in particular to a unidirectional automatic tensioning correction device for a synchronous belt.
Background
The synchronous belt transmission mechanism is needed to drive the feeding mixer to work in the secondary reaction feeding mixing device for spandex polymerization so as to realize uniform mixing of secondary reaction feeding. The original synchronous belt transmission mechanism is not provided with a special synchronous belt tensioning mechanism, and the synchronous belt is tensioned by the pulling force between two synchronous gears, so that vibration and tooth jumping phenomenon can occur during working. The external tensioning mechanism of the synchronous belt is additionally arranged for the problem, the external tensioning mechanism of the synchronous belt adopts a conventional tensioning wheel, the synchronous belt is abutted to one side of the synchronous belt, and the position of the tensioning wheel is fixed after the synchronous belt is installed and cannot be adjusted. However, the synchronous belt external tensioning mechanism with the conventional structure also has the following defects in use:
after the synchronous belt is used for a period of time, the tension force of the synchronous belt is loosened, and the vibration and tooth jumping of the synchronous belt are still possibly caused; in addition, as the position of the tension wheel cannot be dynamically adjusted in the working process, the torque of a transmission shaft of the polyurethane polymerization secondary reaction feeding mixing device is changed to be larger in working, so that the tension force of the synchronous belt can be dynamically fluctuated in large in working, and further, the material can be fluctuated in large flow in the process of entering the reactor, and the uniformity of secondary reaction feeding mixing is affected.
For this reason, there is a need to improve the existing conventional synchronous belt tensioning mechanism to solve the above problems.
Disclosure of Invention
In order to solve the problems, the utility model provides a unidirectional automatic tension correction device of a synchronous belt, which aims to improve the adaptability of the synchronous belt tension mechanism to torque-variable work by improving the existing synchronous belt tension mechanism, thereby improving the uniformity of feeding and mixing of secondary polyurethane polymerization reaction. The specific technical scheme is as follows:
the utility model provides a unidirectional automatic tension orthotic devices of hold-in range, is in including mounting substrate, setting the portable tensioning module of mounting substrate up end front end position, setting are in the servo electric putter at mounting substrate up end rear end position, portable tensioning module is including setting up mounting substrate front end position just is for along the linear guide who arranges of fore-and-aft direction, removal setting are in remove seat subassembly on the linear guide, erect and set up the last tight axle that rises of removal seat subassembly, rotation setting are in tight axle upper end position's tight roller that rises, servo electric putter's telescopic link front end transverse connection is in one side at tight axle lower extreme position that rises.
As a further improvement of the utility model, a tension pressure sensor is connected between one side of the lower end part of the tensioning shaft and the front end of the telescopic rod of the servo electric push rod.
Preferably, one end of the tension pressure sensor is connected with the front end of the telescopic rod of the servo electric push rod through threaded fit connection, the other end of the tension pressure sensor is provided with a transition connector through threaded fit connection, and the transition connector is connected with one side of the lower end part of the tensioning shaft through threaded fit connection.
Preferably, a pair of rolling bearings is arranged between the tensioning wheel and the tensioning shaft at intervals.
In the utility model, a pair of push rod mounting seats are arranged at intervals at the rear end part of the upper end surface of the mounting substrate, and the shell of the servo electric push rod is fixed on the pair of push rod mounting seats.
Preferably, the movable seat assembly comprises a pair of sliding blocks which are movably arranged on the linear guide rail and are arranged at intervals, a bridge plate is arranged at the lower end of the tensioning shaft, and the bridge plate is fixed on the pair of sliding blocks.
Preferably, the sliding block is provided with a nozzle tip for lubricating the linear guide rail.
Preferably, the front end face and the rear end face of the sliding block are respectively fixed with a rubber antifouling scraping blade, and the rubber antifouling scraping blade is contacted with the guide surface of the linear guide rail.
Preferably, the synchronous belt is a synchronous belt used on a secondary reaction feeding and mixing device for spandex polymerization, the mounting substrate of the unidirectional automatic tension correcting device is fixed on the base of the secondary reaction feeding and mixing device for spandex polymerization, and the tension wheel of the unidirectional automatic tension correcting device is abutted to the synchronous belt of the secondary reaction feeding and mixing device for spandex polymerization.
According to the utility model, the feeding and mixing device for the secondary reaction of spandex polymerization comprises a feeding mixer and a three-phase asynchronous motor which are respectively arranged on a base, a mounting substrate of the unidirectional automatic tension correction device is fixedly connected with the base, a first synchronous gear is arranged on a transmission shaft of the feeding mixer, a second synchronous gear is arranged on a motor shaft of the three-phase asynchronous motor, and the first synchronous gear and the second synchronous gear are in transmission connection through the synchronous belt.
In the utility model, the pull pressure sensor and the servo electric push rod are respectively connected with the controller. When the synchronous belt tension device works, the controller dynamically adjusts the expansion amount of the expansion rod on the servo electric push rod according to the tension force measured by the tension pressure sensor, so that the tension force of the synchronous belt is kept constant.
The beneficial effects of the utility model are as follows:
firstly, the unidirectional automatic tension correction device for the synchronous belt is characterized in that the tension wheel is arranged on the movable seat assembly, and the tension shaft is connected with the telescopic rod of the servo electric push rod, so that the position of the tension wheel is adjustable, the adjustment of the tension force of the synchronous belt is greatly facilitated, the maintenance of the device is facilitated, and the vibration and tooth jumping phenomena of the synchronous belt transmission mechanism during working are avoided.
Secondly, the unidirectional automatic tension correction device for the synchronous belt is provided with the tension pressure sensor between the servo electric push rod and the tension shaft, and the controller dynamically adjusts the expansion amount of the telescopic rod on the servo electric push rod according to the tension force measured by the tension pressure sensor during operation, so that the tension force of the synchronous belt is kept constant, larger dynamic fluctuation of the tension force of the synchronous belt during torque conversion operation can be effectively avoided, the flow of materials is more uniform when the materials enter a reactor, and the uniformity of feeding and mixing of secondary reaction of spandex polymerization is improved.
Drawings
FIG. 1 is a schematic diagram of a one-way automatic tension correction device for a synchronous belt according to the present utility model;
FIG. 2 is a partial view of FIG. 1;
fig. 3 is a schematic structural view of a unidirectional automatic tension correction device for a polyurethane polymerization secondary reaction feeding mixing device for a synchronous belt.
In the figure: 1. the device comprises a mounting substrate, 2, a movable tensioning module, 3, a servo electric push rod, 4, a linear guide rail, 5, a movable seat component, 6, a tensioning shaft, 7, a tensioning wheel, 8, a tension pressure sensor, 9, a transition connector, 10, a rolling bearing, 11, a push rod mounting seat, 12, a sliding block, 13, a bridge plate, 14, a nozzle tip, 15, a rubber antifouling scraping blade, 16, a synchronous belt, 17, a spandex polymerization secondary reaction feeding mixing device, 18, a base, 19, a feeding mixer, 20, a three-phase asynchronous motor, 21, a transmission shaft, 22, a first synchronous gear, 23 and a second synchronous gear.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Referring to fig. 1 to 3, an embodiment of a unidirectional automatic tension correction device for a synchronous belt according to the present utility model includes a mounting substrate 1, a movable tension module 2 disposed at a front end portion of an upper end surface of the mounting substrate 1, and a servo electric push rod 3 disposed at a rear end portion of the upper end surface of the mounting substrate 1, wherein the movable tension module 2 includes a linear guide 4 disposed at a front end portion of the mounting substrate 1 and disposed along a front-rear direction, a movable seat assembly 5 movably disposed on the linear guide 4, a tension shaft 6 vertically disposed on the movable seat assembly 5, and a tension roller 7 rotatably disposed at an upper end portion of the tension shaft 6, and a front end of a telescopic rod of the servo electric push rod 3 is transversely connected to one side of a lower end portion of the tension shaft 6.
As a further improvement of the present embodiment, a tension and pressure sensor 8 is connected between one side of the lower end portion of the tensioning shaft 6 and the front end of the telescopic rod of the servo electric push rod 3.
Preferably, one end of the tension pressure sensor 8 is connected with the front end of the telescopic rod of the servo electric push rod 3 through threaded fit connection, the other end of the tension pressure sensor 8 is provided with a transition connector 9 through threaded fit connection, and the transition connector 9 is connected with one side of the lower end part of the tensioning shaft 6 through threaded fit connection.
Preferably, a pair of rolling bearings 10 is provided between the tensioner 7 and the tensioner shaft 6 at intervals.
In this embodiment, a pair of push rod mounting seats 11 are provided at intervals at the rear end portion of the upper end surface of the mounting substrate 1, and the housing of the servo electric push rod 3 is fixed to the pair of push rod mounting seats 11.
Preferably, the movable seat assembly 5 comprises a pair of sliding blocks 12 movably arranged on the linear guide rail 4 at intervals, a bridge plate 13 is arranged at the lower end of the tensioning shaft 6, and the bridge plate 13 is fixed on the pair of sliding blocks 12.
Preferably, the slider 12 is provided with a nipple 14 for lubricating the linear guide 4.
Preferably, rubber dirt-proof wiper blades 15 are respectively fixed on the front and rear end surfaces of the slider 12, and the rubber dirt-proof wiper blades 15 are in contact with the guide surfaces of the linear guide rail 4.
Preferably, the synchronous belt 16 is a synchronous belt used on the spandex polymerization secondary reaction feeding and mixing device 17, the mounting substrate 1 of the unidirectional automatic tension correcting device is fixed on the base 18 of the spandex polymerization secondary reaction feeding and mixing device, and the tension roller 7 of the unidirectional automatic tension correcting device is abutted to the synchronous belt 16 of the spandex polymerization secondary reaction feeding and mixing device 17.
In this embodiment, the secondary reaction feeding and mixing device 17 for spandex polymerization includes a feeding mixer 19 and a three-phase asynchronous motor 20 that are respectively disposed on the base 18, the mounting substrate 1 of the unidirectional automatic tension correction device is fixedly connected with the base 18, a first synchronous gear 22 is disposed on a transmission shaft 21 of the feeding mixer 19, a second synchronous gear 23 is disposed on a motor shaft of the three-phase asynchronous motor 20, and the first synchronous gear 22 and the second synchronous gear 23 are in transmission connection through the synchronous belt 16.
In this embodiment, the pull pressure sensor 8 and the servo electric push rod 3 are respectively connected to a controller. When the synchronous belt tensioning device works, the controller dynamically adjusts the expansion amount of the expansion rod on the servo electric push rod 3 according to the tension force measured by the tension pressure sensor 8, so that the tension force of the synchronous belt 16 is kept constant.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The utility model provides a unidirectional automatic tension orthotic devices of hold-in range, its characterized in that, is in including mounting substrate, setting the portable tight module that rises of mounting substrate up end front end position, setting are in the servo electric putter at mounting substrate up end rear end position, portable tight module that rises is including setting up mounting substrate front end position just is for the linear guide who arranges along the fore-and-aft direction, removal setting are in remove seat subassembly on the linear guide, erect setting up rise on the removal seat subassembly tight axle, rotation setting and be in rise tight axle upper end position's tight wheel that rises, servo electric putter's telescopic link front end transverse connection is in one side of tight axle lower extreme position that rises.
2. The unidirectional automatic tension correction device of the synchronous belt according to claim 1, wherein a tension pressure sensor is connected between one side of the lower end part of the tension shaft and the front end of the telescopic rod of the servo electric push rod.
3. The unidirectional automatic tension correction device of the synchronous belt according to claim 2, wherein one end of the tension pressure sensor is connected with the front end of the telescopic rod of the servo electric push rod through threaded fit connection, the other end of the tension pressure sensor is provided with a transition connector through threaded fit connection, and the transition connector is connected with one side of the lower end part of the tension shaft through threaded fit connection.
4. The one-way automatic tension correction device for a synchronous belt according to claim 1, wherein a pair of rolling bearings are provided at an interval between the tension roller and the tension shaft.
5. The unidirectional automatic tension correction device of a synchronous belt as claimed in claim 1, wherein a pair of push rod mounting seats are arranged at intervals at the rear end part of the upper end surface of the mounting substrate, and the housing of the servo electric push rod is fixed on the pair of push rod mounting seats.
6. The unidirectional automatic tension correction device of the synchronous belt according to claim 1, wherein the movable seat assembly comprises a pair of sliding blocks which are movably arranged on the linear guide rail and are arranged at intervals, a bridge plate is arranged at the lower end of the tension shaft, and the bridge plate is fixed on the pair of sliding blocks.
7. The unidirectional automatic tensioning correction device for the synchronous belt according to claim 6, wherein a nipple for lubricating the linear guide rail is arranged on the sliding block.
8. The unidirectional automatic tensioning correction device for the synchronous belt according to claim 7, wherein rubber antifouling scraping blades are respectively fixed on the front end face and the rear end face of the sliding block, and the rubber antifouling scraping blades are in contact with the guide surfaces of the linear guide rail.
9. The unidirectional automatic tension correcting device for the synchronous belt according to claim 7, wherein the synchronous belt is a synchronous belt used on a polyurethane polymerization secondary reaction feeding and mixing device, a mounting substrate of the unidirectional automatic tension correcting device is fixed on a base of the polyurethane polymerization secondary reaction feeding and mixing device, and a tension roller of the unidirectional automatic tension correcting device is abutted on the synchronous belt of the polyurethane polymerization secondary reaction feeding and mixing device.
10. The unidirectional automatic tensioning correction device of the synchronous belt according to claim 9, wherein the feeding and mixing device for the secondary reaction of spandex polymerization comprises a feeding mixer and a three-phase asynchronous motor which are respectively arranged on the base, a mounting substrate of the unidirectional automatic tensioning correction device is fixedly connected with the base, a first synchronous gear is arranged on a transmission shaft of the feeding mixer, a second synchronous gear is arranged on a motor shaft of the three-phase asynchronous motor, and the first synchronous gear and the second synchronous gear are in transmission connection through the synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320317932.3U CN219692157U (en) | 2023-02-27 | 2023-02-27 | Unidirectional automatic tensioning correction device for synchronous belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320317932.3U CN219692157U (en) | 2023-02-27 | 2023-02-27 | Unidirectional automatic tensioning correction device for synchronous belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692157U true CN219692157U (en) | 2023-09-15 |
Family
ID=87938628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320317932.3U Active CN219692157U (en) | 2023-02-27 | 2023-02-27 | Unidirectional automatic tensioning correction device for synchronous belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692157U (en) |
-
2023
- 2023-02-27 CN CN202320317932.3U patent/CN219692157U/en active Active
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