CN113389861A - Gear and rack clearance adjusting device of heavy-load truss robot - Google Patents
Gear and rack clearance adjusting device of heavy-load truss robot Download PDFInfo
- Publication number
- CN113389861A CN113389861A CN202110655229.9A CN202110655229A CN113389861A CN 113389861 A CN113389861 A CN 113389861A CN 202110655229 A CN202110655229 A CN 202110655229A CN 113389861 A CN113389861 A CN 113389861A
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- Prior art keywords
- gear
- rack
- bevel
- strip
- heavy
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- 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
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- 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
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a gear and rack clearance adjusting device of a heavy-load truss robot, and relates to the field of automation equipment. The gear seat is provided with a first strip-shaped groove and a second strip-shaped groove, and the upper end surface of the gear seat is also provided with a cam adjusting block which is inserted into the second strip-shaped groove and is rotationally connected with the gear seat; the center of the gear seat is rotationally connected with a transmission shaft, and the bottom end of the transmission shaft is fixedly connected with a helical gear; the rack-type bevel gear rack is characterized by further comprising a bevel rack and a fixed base, the bevel rack is in transmission connection with the bevel gear, the fixed base is arranged on one side of the bevel rack and is fixedly connected with the bevel rack, the first strip-shaped groove is perpendicular to the bevel rack, and the second strip-shaped groove is parallel to the bevel rack. According to the invention, the cam adjusting block is used for smooth and accurate adjustment, the gear rack can be guaranteed to have a standard design gap by using the machining precision, the adjusting mode is simple and convenient, and the working efficiency of the truss robot is effectively improved.
Description
Technical Field
The invention relates to the field of automation equipment, in particular to a gear and rack gap adjusting device of a heavy-load truss robot.
Background
With the development of modern industry, automated production becomes more and more mainstream, and a flexible manufacturing technology taking a robot as a main body, namely, a robot automation device, gradually plays a greater role; among them, the truss robot is a common robot automation device.
The truss robot is a full-automatic industrial device which is established on the basis of a rectangular X, Y and Z coordinate system and used for adjusting the station of a workpiece or realizing the functions of the workpiece such as track movement and the like.
At present, the gap between a gear and a rack on a beam of a truss robot needs to be adjusted to be very small, the gap between the gear and the rack can be adjusted by utilizing a conventional jacking screw and controlling the rotating angle of the conventional jacking screw to change the jacking length, the precise gap adjustment cannot be realized, the ideal gap can be achieved only by repeatedly adjusting sometimes, and the adjustment work is difficult to perform because the load of a heavy-load truss robot is large; therefore, it is necessary to provide a gear and rack clearance adjusting device for a heavy-duty truss robot, which can smoothly and accurately adjust and can ensure that a gear and a rack have a standard design clearance by using machining precision.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
a gear rack gap adjusting device of a heavy-load truss robot comprises a transmission plate, wherein the transmission plate is connected with a gear seat in a sliding mode, the gear seat is provided with a first strip-shaped groove and a second strip-shaped groove, a bolt penetrates through the first strip-shaped groove, the bottom end of the bolt is fixedly connected with the transmission plate, the upper end face of the gear seat is further provided with a cam adjusting block, and the cam adjusting block is inserted into the second strip-shaped groove and is in rotary connection with the gear seat;
the center of the gear seat is rotatably connected with a transmission shaft, and the bottom end of the transmission shaft is fixedly connected with a helical gear;
the rack is in transmission connection with the helical gear, the fixing base is arranged on one side of the helical gear and is fixedly connected with the helical gear, the first strip-shaped groove is perpendicular to the helical gear, and the second strip-shaped groove is parallel to the helical gear.
Further, the gear seat with the transmission shaft is provided with two, two the gear seat install in the driving plate both sides, the helical gear includes initiative helical gear and driven helical gear, two the transmission shaft respectively with initiative helical gear and driven helical gear fixed connection.
Further, unable adjustment base includes flat rail drive beam and flat guide rail, flat guide rail set up in helical rack one side, flat rail drive beam fixed connection in flat guide rail lower extreme, flat guide rail with driving plate sliding connection.
Furthermore, one side of the transmission plate, which is far away from the driving helical gear and the driven helical gear, is fixedly connected with a fixed block, and the fixed block is abutted to the flat guide rail.
Furthermore, the transmission shaft fixedly connected with the driving bevel gear is fixedly connected with the output end of the motor.
Further, the transmission plate bottom is provided with the third spout, two the transmission shaft is provided with the stopper, the stopper with the cooperation of third spout.
Furthermore, a transverse moving beam is installed at the center of the driving plate.
Further, the cam regulating block includes rotating part and cooperation portion, rotating part fixed connection in cooperation portion top, the rotating part with the inside eccentric orfice that runs through that is provided with of cooperation portion, cooperation portion rotate to be connected in the second bar inslot.
The invention has the beneficial effects that:
the invention provides a gear rack gap adjusting device of a heavy-duty truss robot, which is characterized in that a gear seat is connected onto a transmission plate in a sliding mode, a first strip-shaped groove and a second strip-shaped groove are formed in the gear seat, so that the gear seat has a fixed sliding position, a cam adjusting block is arranged in the second strip-shaped groove, the height of the cam adjusting block supporting the transmission plate is changed by stably and slowly rotating the cam adjusting block, the transmission plate moves, the transmission shaft is driven to move when the transmission plate moves, a driving bevel gear and a driven bevel gear which are fixedly connected with the transmission shaft are gradually close to a bevel gear rack to finally achieve meshing, and finally, the gap between the gear rack is stably and accurately adjusted.
Drawings
Fig. 1 is a schematic perspective view of a gear and rack clearance adjustment device of a heavy-duty truss robot according to the present invention.
Fig. 2 is a top view of a gear and rack clearance adjustment device of a heavy-duty truss robot according to the present invention.
Fig. 3 is a front view of a gear and rack clearance adjustment device of a heavy-duty truss robot.
Fig. 4 is a side view of a gear and rack clearance adjustment device of a heavy-duty truss robot.
Fig. 5 is a schematic view of a traverse moving part of a gear rack gap adjusting device of a heavy-duty truss robot according to the invention.
Fig. 6 is a sectional view of a driving part of a gear rack gap adjusting device of a heavy-duty truss robot according to the present invention.
Fig. 7 is a schematic view of the connection between a gear and a transmission plate of a gear and rack clearance adjustment device of a heavy-duty truss robot.
Fig. 8 and 9 are schematic diagrams of a cam adjusting block of a gear rack gap adjusting device of a heavy-load truss robot.
Wherein, in the figure:
1-a flat rail drive beam; 2-flat guide rail; 3-helical rack; 4-a drive plate; 5-a gear seat; 6-transverse moving beam; 7-driving bevel gears; 8-driven bevel gear; 9-a cam adjusting block; 10-a first bar-shaped groove; 11-a second strip-shaped groove; 12-a drive shaft; 13-a third chute; 14-a limiting block; 15-a rotating part; 16-a mating portion; 17-eccentric hole; 18-fixing block; 19-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The embodiment provides a gear and rack clearance adjusting device of a heavy-load truss robot in combination with figures 1-8,
the transmission device comprises a transmission plate 4, wherein the transmission plate 4 is connected with two gear seats 5 in a sliding manner, the two gear seats 5 are arranged on two sides of the transmission plate 4, the two gear seats 5 are provided with a first strip-shaped groove 10 and a second strip-shaped groove 11, a bolt 19 penetrates through the first strip-shaped groove 10, and the bottom end of the bolt 19 is fixedly connected with the transmission plate 4; as shown in fig. 5, in this embodiment, each gear seat 5 is provided with 4 first bar-shaped grooves 10, the first bar-shaped grooves 10 are uniformly distributed on the gear seat 5, and the second bar-shaped grooves 11 are disposed below the geometric center of the gear seat 5.
The upper end surfaces of the two gear seats 5 are also provided with cam adjusting blocks 9, and the cam adjusting blocks 9 are inserted into the second strip-shaped grooves 11 and are rotationally connected with the gear seats 5; the cam adjusting block 9 comprises a rotating part 15 and a matching part 16, the rotating part 15 is fixedly connected to the top end of the matching part 16, an eccentric hole 17 penetrating through the rotating part 15 and the matching part 16 is arranged in the rotating part 15 and the matching part 16, the matching part is installed in the second strip-shaped groove 11, a bolt 19 is inserted into the eccentric hole 17, the bolt 19 penetrates through the eccentric hole 17 and is fixedly connected with the transmission plate 4, the cam adjusting block 9 is limited at the upper end of the transmission plate 4, the diameter of the part, inserted into the eccentric hole 17, of the bolt 19 is smaller than that of the eccentric hole 17, and the cam adjusting block 9 can rotate freely; the centers of the two gear seats 5 are respectively and rotatably connected with a transmission shaft 12, the bottom ends of the two transmission shafts 12 are respectively and fixedly connected with a driving bevel gear 7 and a driven bevel gear 8, and the transmission shaft 12 fixedly connected with the driving bevel gear 7 is in transmission connection with the output end of a motor and is used for providing power for the work of a heavy-load truss robot; when the rotating part 15 rotates, the matching part 16 is driven to rotate, when the rotating part 15 rotates, the pushing distance of the cam structure of the rotating part to the transmission plate 4 changes to drive the transmission plate 4 to slide, and the transmission plate 4 drives the driving helical gear 7 and the driven helical gear 8 to transversely slide and be meshed with the helical rack 3.
One side of the transmission plate 4, which is far away from the driving bevel gear 7 and the driven bevel gear 8, is fixedly connected with a fixing block 18, and the fixing block 18 is abutted to the flat guide rail 2 and used for fixing the transmission plate 4.
Still include helical rack 3 and unable adjustment base, helical rack 3 with initiative helical gear 7 and driven helical gear 8 transmission are connected, unable adjustment base set up in 3 one side of helical rack and rather than fixed connection, first bar groove 10 with helical rack 3 sets up perpendicularly, second bar groove 11 with helical rack 3 parallel arrangement, just the width in second bar groove 11 is greater than the cam structure of rotating part 15 pushes away the journey the most, the clearance size that first bar groove 10 adjusted according to actual need selects suitable length.
The fixed base comprises a flat rail transmission beam 1 and a flat guide rail 2, the flat guide rail 2 is arranged on one side of the helical rack 3, the flat rail transmission beam 1 is fixedly connected to the lower end of the flat guide rail 2, and the flat guide rail 2 is connected with the transmission plate 4 in a sliding mode.
In the embodiment, a screw penetrates through the first strip-shaped groove 10 and is fixedly connected with the transmission plate 4, so that the gear seat 5 has a determined sliding position.
The bottom of the transmission plate 4 is provided with a third sliding groove 13, two the transmission shaft 12 is provided with a limiting block 14, the limiting block 14 is matched with the third sliding groove 13, the width of the limiting block 14 is equal to the width of the third sliding groove 13, the length of the limiting block 14 is smaller than the length of the third sliding groove 13, and the limiting block 14 limits the transverse movement of the transmission shaft 12 and the gear and only carries out longitudinal movement.
4 central point of driving plate puts and still is provided with horizontal walking beam 6, horizontal walking beam 6 with 4 fixed connection of driving plate for connect the arm of robot.
When the gear and rack gap adjusting device for the heavy-duty truss robot is used, the cam adjusting block 9 is rotated stably and slowly, the width of the transmission plate 4 supported by the cam adjusting block 9 is changed, the transmission plate 4 moves, the transmission plate 4 is driven to move when moving, the transmission shaft 12 is driven to move, the driving bevel gear 7 and the driven bevel gear 8 which are fixedly connected with the transmission shaft 12 are gradually close to the bevel rack 3 to finally achieve meshing, and finally, the gap between the gear and the rack is adjusted stably and accurately.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The gear rack gap adjusting device of the heavy-load truss robot is characterized by comprising a transmission plate (4), wherein the transmission plate (4) is connected with a gear seat (5) in a sliding manner, the gear seat (5) is provided with a first strip-shaped groove (10) and a second strip-shaped groove (11), a bolt (19) penetrates through the first strip-shaped groove (10), the bottom end of the bolt (19) is fixedly connected with the transmission plate (4), the upper end surface of the gear seat (5) is also provided with a cam adjusting block (9), and the cam adjusting block (9) is inserted into the second strip-shaped groove (11) and is rotatably connected with the gear seat (5);
the center of the gear seat (5) is rotatably connected with a transmission shaft (12), and the bottom end of the transmission shaft (12) is fixedly connected with a helical gear;
the bevel gear rack is characterized by further comprising a bevel rack (3) and a fixed base, the bevel rack (3) is in transmission connection with the bevel gear, the fixed base is arranged on one side of the bevel rack (3) and is fixedly connected with the bevel rack, the first strip-shaped groove (10) is perpendicular to the bevel rack (3), and the second strip-shaped groove (11) is parallel to the bevel rack (3).
2. The gear rack gap adjusting device for the heavy-duty truss robot is characterized in that the number of the gear seats (5) and the number of the transmission shafts (12) are two, the two gear seats (5) are installed on two sides of the transmission plate (4), the helical gears comprise a driving helical gear (7) and a driven helical gear (8), and the two transmission shafts (12) are fixedly connected with the driving helical gear (7) and the driven helical gear (8) respectively.
3. The gear rack gap adjusting device for the heavy-duty truss robot is characterized in that the fixed base comprises a flat rail transmission beam (1) and a flat guide rail (2), the flat guide rail (2) is arranged on one side of the helical rack (3), the flat rail transmission beam (1) is fixedly connected to the lower end of the flat guide rail (2), and the flat guide rail (2) is slidably connected with the transmission plate (4).
4. The gear rack gap adjusting device of the heavy-load truss robot is characterized in that a fixed block (18) is fixedly connected to one side, far away from the driving bevel gear (7) and the driven bevel gear (8), of the transmission plate (4), and the fixed block (18) is abutted to the flat guide rail (2).
5. The gear rack gap adjusting device of a heavy-duty truss robot as claimed in claim 2, wherein the transmission shaft (12) fixedly connected with the driving bevel gear (7) is fixedly connected with the output end of the motor.
6. The gear and rack clearance adjusting device for the heavy-load truss robot as claimed in claim 1, wherein a third sliding groove (13) is formed at the bottom of the transmission plate (4), and the two transmission shafts (12) are provided with limiting blocks (14), wherein the limiting blocks (14) are matched with the third sliding groove (13).
7. The gear rack gap adjusting device of a heavy-load truss robot as claimed in claim 1, wherein a traverse moving beam (6) is installed at the center position of the driving plate (4).
8. The gear and rack clearance adjusting device for the heavy-duty truss robot as claimed in claim 1, wherein the cam adjusting block (9) comprises a rotating part (15) and a matching part (16), the rotating part (15) is fixedly connected to the top end of the matching part (16), a penetrating eccentric hole (17) is formed in the rotating part (15) and the matching part (16), and the matching part is rotatably connected in the second strip-shaped groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655229.9A CN113389861A (en) | 2021-06-11 | 2021-06-11 | Gear and rack clearance adjusting device of heavy-load truss robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655229.9A CN113389861A (en) | 2021-06-11 | 2021-06-11 | Gear and rack clearance adjusting device of heavy-load truss robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113389861A true CN113389861A (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110655229.9A Pending CN113389861A (en) | 2021-06-11 | 2021-06-11 | Gear and rack clearance adjusting device of heavy-load truss robot |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202465001U (en) * | 2012-02-01 | 2012-10-03 | 广西建工集团建筑机械制造有限责任公司 | Construction elevator transmission device with auxiliary restriction gear pair |
| CN203516702U (en) * | 2013-09-12 | 2014-04-02 | 常州信息职业技术学院 | High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof |
| CN203792337U (en) * | 2014-03-17 | 2014-08-27 | 沈阳维特自动化设备有限公司 | Gear and rack gap adjustment mechanism of cross beam on truss robot |
| CN207728825U (en) * | 2018-01-18 | 2018-08-14 | 青岛大荣伟业数控科技有限公司 | A kind of eccentric gear axis mechanism |
| CN207814406U (en) * | 2017-10-16 | 2018-09-04 | 苏州盛友机械有限公司 | A kind of equipment backlash aligning gear |
| CN208381274U (en) * | 2018-02-05 | 2019-01-15 | 宁波海迈克自动化科技有限公司 | A kind of tightening device of wheel and rack transmission engagement |
-
2021
- 2021-06-11 CN CN202110655229.9A patent/CN113389861A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202465001U (en) * | 2012-02-01 | 2012-10-03 | 广西建工集团建筑机械制造有限责任公司 | Construction elevator transmission device with auxiliary restriction gear pair |
| CN203516702U (en) * | 2013-09-12 | 2014-04-02 | 常州信息职业技术学院 | High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof |
| CN203792337U (en) * | 2014-03-17 | 2014-08-27 | 沈阳维特自动化设备有限公司 | Gear and rack gap adjustment mechanism of cross beam on truss robot |
| CN207814406U (en) * | 2017-10-16 | 2018-09-04 | 苏州盛友机械有限公司 | A kind of equipment backlash aligning gear |
| CN207728825U (en) * | 2018-01-18 | 2018-08-14 | 青岛大荣伟业数控科技有限公司 | A kind of eccentric gear axis mechanism |
| CN208381274U (en) * | 2018-02-05 | 2019-01-15 | 宁波海迈克自动化科技有限公司 | A kind of tightening device of wheel and rack transmission engagement |
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