CN110836251A - Gear rack floating anti-backlash transmission device and gear rack transmission equipment - Google Patents
Gear rack floating anti-backlash transmission device and gear rack transmission equipment Download PDFInfo
- Publication number
- CN110836251A CN110836251A CN201911278851.1A CN201911278851A CN110836251A CN 110836251 A CN110836251 A CN 110836251A CN 201911278851 A CN201911278851 A CN 201911278851A CN 110836251 A CN110836251 A CN 110836251A
- Authority
- CN
- China
- Prior art keywords
- rack
- module
- gear
- backlash
- gear rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
- F16H55/28—Special devices for taking up backlash
- F16H55/283—Special devices for taking up backlash using pressure yokes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a gear rack floating anti-backlash transmission device, which is used on a gear rack transmission facility, wherein the transmission track of a guide device is a straight line or a large radian, and the device comprises: the supporting module is fixed on the sliding block of the guide device and slides along the guide device by utilizing the sliding block; the driving module is fixed on the supporting module and used for outputting the driving force of the gear rack floating anti-backlash transmission device sliding along the guide device; the gear rack module is connected with the driving module and is used for driving the gear rack floating anti-backlash transmission device to slide along the guide device; and the gap eliminating module is fixed on the supporting module and used for eliminating the meshing gap between the gear and the rack. The gear rack floating anti-backlash transmission device and transmission equipment provided by the invention have the advantages that the requirement on the machining precision of gear parts is reduced, the requirement on the installation precision of the mutual positions of the sliding unit and the transmission unit is also reduced, the service life is long, the cost is reduced, and the environmental adaptability of a production line is improved.
Description
Technical Field
The invention relates to industrial automatic transmission equipment, in particular to a gear rack floating anti-backlash transmission device.
Background
The production line of modern industry tends to be unmanned operation more and more, and the core of the production line lies in transmission, and the production line extends various transmission mechanisms, and the more complicated production line, the longer the transmission distance, i.e. the longer the transmission stroke, wherein, gear and rack transmission is the more common transmission mode, but if the meshing of the gear and the rack is not tight enough, and there is a gap, the transmission stroke error can be caused, and meanwhile, the abrasion between the gear and the rack can also be increased, therefore, in the modern automatic production line, faults and unnecessary abrasion caused by the overlarge meshing gap of the gear and the rack can often occur, which not only increases the maintenance cost, but also delays the normal progress of production and affects the economic benefit.
The prior art is realized by improving the machining precision of gear parts and the installation precision of the mutual positions of a sliding unit and a transmission unit, but because the abrasion of the gear parts and the loosening of installation fastening parts are easy to occur, the processing method which is not easy to draw is not only increased in the purchasing and maintenance cost of a production line, but also has an insignificant effect, and the processing method becomes a great pain point in the field of industrial automation.
Disclosure of Invention
According to the embodiment of the invention, a gear rack floating anti-backlash transmission device is provided, which is used for a gear rack transmission facility, wherein the transmission track of a guide device is a straight line or a large radian, and the device comprises:
the supporting module is fixed on the sliding block of the guide device and slides along the guide device by utilizing the sliding block;
the driving module is fixed on the supporting module and used for outputting the driving force of the gear rack floating anti-backlash transmission device sliding along the guide device;
the rack and pinion module is connected with the driving module and is used for driving the rack and pinion floating anti-backlash transmission device to slide along the guide device;
and the gap eliminating module is fixed on the supporting module and is used for eliminating the meshing gap between the gear and the rack of the gear rack module.
The support module includes:
the sliding plate is fixed on the sliding block of the guide device;
and the mounting plate is arranged on the sliding plate and is used for supporting the driving module, the gear rack module and the anti-backlash module.
The mounting plate is arranged on the sliding plate through a pin shaft and can rotate around the pin shaft.
The mounting plate is provided with a stress plate and a mounting seat, one end of the gap eliminating module is connected with the mounting seat, the other end of the gap eliminating module is connected with the stress plate, and the stress plate is driven by stress to drive the mounting plate to rotate around the pin shaft.
The anti-backlash module comprises:
one end of the spring is connected with the mounting seat, and the other end of the spring is connected with the stress plate;
the adjusting assembly is used for connecting the spring with the mounting seat and adjusting the compression amount of the spring to change the acting force of the spring on the stress plate.
The adjusting assembly comprises an adjusting bolt and a nut which are used for connecting the mounting seat and the spring.
The gear rack module comprises a gear and a rack which are arranged in a meshed mode, the gear is installed on an output shaft of the driving module, the rack is arranged in parallel with the guiding device, and the track of the rack is consistent with that of the guiding device.
The driving module comprises a motor component, and the motor component is used for outputting driving force to drive the gear to rotate.
The driving module comprises a motor assembly comprising a servo motor and a speed reducer, and the gear is mounted on an output shaft of the speed reducer.
According to another embodiment of the invention, a rack and pinion transmission device is provided, which comprises the rack and pinion floating anti-backlash transmission device.
According to the gear rack floating anti-backlash transmission device and the gear rack transmission equipment provided by the embodiment of the invention, the requirement on the machining precision of gear parts is reduced, the requirement on the installation precision of the mutual positions of the sliding unit and the transmission unit is also reduced, the service life is long, the cost is reduced, and the adaptability of a production line to the environment is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
FIG. 1 is a schematic structural diagram of a gear rack floating anti-backlash transmission device according to an embodiment of the invention;
FIG. 2 is a side view of a rack and pinion floating anti-backlash transmission according to an embodiment of the present invention;
element number description: 1-a servo motor; 2, a speed reducer; 3-a sliding plate; 4-a guide rail; 5, mounting a plate; 6, a pin shaft; 7, pressing a sleeve; 8, a spring; 9-a nut; 10-adjusting the bolt; 11-a gear; 12-rack.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
Firstly, the floating anti-backlash transmission device for the gear rack according to the embodiment of the invention will be described with reference to fig. 1-2, which can be used for a large number of automatic transmission facilities for the gear rack, is mainly suitable for linear or large-radian transmission tracks, and has a wide application range.
As shown in fig. 1-2, the floating anti-backlash transmission device for the rack and pinion of the embodiment of the invention is used for a rack and pinion transmission facility, the transmission track of the guide device is a straight line or a large radian, and the device comprises a supporting module, a driving module, a rack and pinion module and an anti-backlash module.
Specifically, as shown in fig. 1 to 2, the support module is fixed on a slide block of a guide device, in this embodiment, the guide device is a guide rail 4, and the guide rail 4 is a linear guide rail, and may also be a large arc guide rail. The support module includes: a sliding plate 3 fixed to a slider of the guide rail 4, the support module sliding along the guide rail 4 with the slider; and the mounting plate 5 is arranged on the sliding plate 3 and is used for supporting the driving module, the rack and pinion module and the backlash eliminating module so that the rack and pinion floating backlash eliminating transmission device integrally moves along the guide rail 4.
Further, the mounting plate 5 is arranged on the sliding plate 3 through a pin 6 and a pressing sleeve 7, and the mounting plate 3 can rotate around the pin 6. The mounting plate 5 is provided with a stress plate 51 and a mounting seat 52.
Specifically, as shown in fig. 1-2, the gap eliminating module is fixed on the supporting module and used for eliminating the meshing gap between the gear and the rack of the rack-and-pinion module. The anti-backlash module comprises a spring 8 and an adjusting component comprising an adjusting bolt 10 and a nut 9, the spring 8 is connected with the mounting seat 52 through the adjusting bolt 10 and the nut 9, the other end of the spring 8 is connected with the stress plate 51, the spring 8 applies elasticity to the stress plate 51, and the stress plate 51 drives the mounting plate 5 to rotate around the pin shaft 6 under stress. In the present embodiment, by adjusting the bolt 10 and the nut 9, the compression amount of the spring 8 can be adjusted, so as to change the acting force of the spring 8 on the force bearing plate 51, and thus change the torsion of the mounting plate 5 rotating around the pin 6.
Specifically, as shown in fig. 1-2, the rack-and-pinion module is connected to the driving module, and is used for driving the rack-and-pinion floating anti-backlash transmission device of the present embodiment to slide along the guide rail 4. Further, the rack and pinion module contains gear 11 and rack 12 that the meshing set up, and gear 11 installs on drive module's output shaft, and rack 12 and guide rail 4 parallel arrangement, and the orbit of rack 12 is unanimous with guide rail 4, and consequently, the rack and pinion floating anti-backlash transmission's of this embodiment working stroke can dispose in a flexible way to it is convenient to maintain, greatly increased life.
Specifically, as shown in fig. 1 to 2, the driving module is fixed on the mounting plate 5 and is used for outputting the driving force of the rack-and-pinion floating anti-backlash transmission device of the present embodiment sliding along the guide rail 4. Further, the drive module contains and is used for exporting drive power to drive the pivoted motor element of gear 11, and in this embodiment, motor element adopts the combination of servo motor 1 and speed reducer 2, and gear 11 installs on the output shaft of speed reducer 2. When the stress plate 51 is stressed, the mounting plate 5 is driven to rotate around the pin shaft 6, and then the gear 11 is driven to press the rack 12, so that floating meshing is realized, a meshing gap between the gear and the rack is eliminated, and the aim of gapless transmission is fulfilled. In addition, because the spring force can be adjusted, overload protection is realized, the machining precision of gear parts is reduced, the requirement on the installation precision of the mutual positions of the sliding functional unit and the transmission functional unit is reduced, the purchase cost and the installation cost are saved, and the application range of the embodiment to installation environment and factory facilities is expanded.
When the device works, the gear 11 and the rack 12 are pressed together through the spring 8, and as the gear 11 is arranged on the output shaft of the speed reducer 2, the servo motor 1 drives the gear 11 to rotate, and drives the sliding plate 3 to move through the meshing transmission of the gear 11 and the rack 12, so as to drive other modules to slide left and right along the guide rail 4. Meanwhile, the compression amount of the spring 8 can be adjusted by adjusting the bolt 10 and the nut 9, so that the size of the meshing contact force of the gear 11 and the rack 12 is adjusted.
As described above, in the gear rack floating anti-backlash transmission device according to the embodiment of the present invention, the requirement for the machining accuracy of the gear part is reduced, the requirement for the installation accuracy of the mutual position of the sliding unit and the transmission unit is also reduced, the service life is long, the cost is reduced, and the adaptability of the production line to the environment is improved.
The gear rack floating anti-backlash transmission device according to the embodiment of the invention is described above with reference to the accompanying drawings 1-2. Further, the present invention can also be applied to a rack and pinion apparatus.
According to another embodiment of the invention, a rack and pinion transmission device is provided, which comprises the rack and pinion floating anti-backlash transmission device. Specifically, the working principle of the gear rack floating anti-backlash transmission device in the gear rack transmission device of the present embodiment is the same as that of the above-described embodiments, and is not described herein again.
According to the gear rack transmission device provided by the embodiment of the invention, the requirement on the machining precision of the gear part is reduced through the gear rack floating anti-backlash transmission device, the requirement on the installation precision of the mutual positions of the sliding unit and the transmission unit is also reduced, the service life is long, the cost is reduced, and the environmental adaptability of the production line is improved.
The gear rack floating anti-backlash transmission device and the gear rack transmission equipment according to the embodiment of the invention are described above with reference to fig. 1-2, so that the requirement on the machining precision of gear parts is reduced, the requirement on the installation precision of the mutual positions of the sliding unit and the transmission unit is also reduced, the service life is long, the cost is reduced, and the adaptability of a production line to the environment is improved.
It should be noted that, in the embodiment of the present invention, although only the gear-rack meshing is described, it should be recognized that the working principle of the present invention is also applicable to the meshing of the gear and the rack, and therefore, the above description of the gear-rack meshing should not be considered as limiting the present invention to the meshing of the gear and the rack.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a rack and pinion floating anti-backlash transmission" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A gear rack floating anti-backlash transmission device is used on a gear rack transmission facility, and the transmission track of a guide device of the device is a straight line or a large radian, and is characterized by comprising:
the supporting module is fixed on the sliding block of the guide device and slides along the guide device by utilizing the sliding block;
the driving module is fixed on the supporting module and used for outputting the driving force of the gear rack floating anti-backlash transmission device sliding along the guide device;
the rack and pinion module is connected with the driving module and is used for driving the rack and pinion floating anti-backlash transmission device to slide along the guide device;
and the gap eliminating module is fixed on the supporting module and is used for eliminating the meshing gap between the gear and the rack of the gear rack module.
2. The rack and pinion floating anti-backlash transmission of claim 1, wherein said support module comprises:
the sliding plate is fixed on the sliding block of the guide device;
and the mounting plate is arranged on the sliding plate and is used for supporting the driving module, the gear rack module and the anti-backlash module.
3. The gear rack floating anti-backlash transmission device of claim 2, wherein the mounting plate is disposed on the sliding plate by a pin, the mounting plate being rotatable about the pin.
4. The gear rack floating anti-backlash transmission device as claimed in claim 3, wherein the mounting plate is provided with a stress plate and a mounting seat, one end of the anti-backlash module is connected with the mounting seat, the other end of the anti-backlash module is connected with the stress plate, and the stress plate is stressed to drive the mounting plate to rotate around the pin shaft.
5. The rack and pinion floating anti-backlash transmission of claim 4, wherein the anti-backlash module comprises:
one end of the spring is connected with the mounting seat, and the other end of the spring is connected with the stress plate;
the adjusting assembly is used for connecting the spring with the mounting seat and adjusting the compression amount of the spring to change the acting force of the spring on the stress plate.
6. The rack and pinion floating anti-backlash drive of claim 5, wherein said adjustment assembly comprises an adjustment bolt and nut connecting the mount to the spring.
7. The gear rack floating anti-backlash transmission device as claimed in claim 1 or 3, wherein the gear rack module comprises a gear and a rack which are arranged in a meshing manner, the gear is mounted on the output shaft of the driving module, the rack is arranged in parallel with the guide device, and the track of the rack is consistent with the guide device.
8. The gear rack floating anti-backlash transmission device of claim 7, wherein the driving module comprises a motor assembly for outputting a driving force to rotate the gear.
9. The gear rack floating anti-backlash transmission of claim 8, wherein said drive module comprises a motor assembly comprising a servo motor and a reducer, said gear being mounted on an output shaft of said reducer.
10. A rack and pinion drive apparatus comprising the rack and pinion floating anti-backlash drive apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278851.1A CN110836251A (en) | 2019-12-13 | 2019-12-13 | Gear rack floating anti-backlash transmission device and gear rack transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278851.1A CN110836251A (en) | 2019-12-13 | 2019-12-13 | Gear rack floating anti-backlash transmission device and gear rack transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110836251A true CN110836251A (en) | 2020-02-25 |
Family
ID=69578446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911278851.1A Pending CN110836251A (en) | 2019-12-13 | 2019-12-13 | Gear rack floating anti-backlash transmission device and gear rack transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110836251A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706655A (en) * | 2020-07-16 | 2020-09-25 | 成都福莫斯智能系统集成服务有限公司 | Mechanical anti-backlash mechanism for gear transmission |
| CN111775136A (en) * | 2020-07-29 | 2020-10-16 | 广东电网有限责任公司东莞供电局 | Safety support of electric power inspection robot |
| CN114877044A (en) * | 2022-05-19 | 2022-08-09 | 真实维度科技控股(珠海)有限公司 | Gear transmission clearance eliminating mechanism and puncture device |
-
2019
- 2019-12-13 CN CN201911278851.1A patent/CN110836251A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706655A (en) * | 2020-07-16 | 2020-09-25 | 成都福莫斯智能系统集成服务有限公司 | Mechanical anti-backlash mechanism for gear transmission |
| CN111775136A (en) * | 2020-07-29 | 2020-10-16 | 广东电网有限责任公司东莞供电局 | Safety support of electric power inspection robot |
| CN111775136B (en) * | 2020-07-29 | 2021-05-14 | 广东电网有限责任公司东莞供电局 | Safety support of electric power inspection robot |
| CN114877044A (en) * | 2022-05-19 | 2022-08-09 | 真实维度科技控股(珠海)有限公司 | Gear transmission clearance eliminating mechanism and puncture device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110836251A (en) | Gear rack floating anti-backlash transmission device and gear rack transmission equipment | |
| US4666014A (en) | Floating ball-nut for an electric assist steering system | |
| US7343684B2 (en) | Robotic system with traction drive | |
| GB2478302A (en) | A machine tool with a machine axis including a counterbalance | |
| US10696037B2 (en) | Apparatus and method for fabrication of three-dimensional objects | |
| KR101758288B1 (en) | Carriage support unit and Robot carriage | |
| US5901607A (en) | Driving mechanism using a toothed belt and gears to translate between rotary and linear motion | |
| CN102577096A (en) | Servo control apparatus | |
| JP2007178002A (en) | Sliding device | |
| CN211550424U (en) | Gear rack floating anti-backlash transmission device and gear rack transmission equipment | |
| CN115464626A (en) | Seven-axis robot for multi-station processing of optical components and use method | |
| KR101422245B1 (en) | Compensation apparatus for compensating for the drop of the ram in a machine tool | |
| CN201339694Y (en) | Improved feeding transmission mechanism for turret digital control punch | |
| CN201293079Y (en) | Fixed form friction drive device | |
| US20220034390A1 (en) | Angular transmission device | |
| KR100240926B1 (en) | Height stage for positioning apparatus | |
| CN201073718Y (en) | Laser cutting machine tool | |
| CN213165382U (en) | Robot seventh shaft based on flexible manufacturing | |
| CN102298394A (en) | Method and device for improving operation accuracy of electric cylinder and electric cylinder | |
| CN210830352U (en) | Gear rack transmission device | |
| RU2387577C1 (en) | Steering gear | |
| CN201559534U (en) | Accelerator control device of engineering machinery | |
| CN110253623B (en) | Robot joint module with variable rigidity | |
| CN103277475A (en) | High-precision constant-transmission-ratio transmission mechanism based on ball screws | |
| CN108160554B (en) | Automatic cleaning device for grating ruler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |