CN204997694U - Industrial robot's counter weight device - Google Patents
Industrial robot's counter weight device Download PDFInfo
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- CN204997694U CN204997694U CN201520691835.6U CN201520691835U CN204997694U CN 204997694 U CN204997694 U CN 204997694U CN 201520691835 U CN201520691835 U CN 201520691835U CN 204997694 U CN204997694 U CN 204997694U
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- industrial robot
- connecting plate
- counter weight
- assembly
- weight device
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Abstract
The utility model discloses an industrial robot's counter weight device, the on -line screen storage device comprises a base, be provided with the stand on the base, be provided with a guide Assembly and the 2nd guide Assembly on the stand, a guide Assembly goes up to slide and is provided with the connecting plate that is used for installing industrial robot hand arm members, install the balancing weight on the 2nd guide Assembly, the stand top is provided with loose pulley assembly, the last smooth draw runner that is equipped with of loose pulley assembly, the one end of draw runner with the balancing weight links to each other, the other end with the connecting plate is connected, still be provided with drive assembly and drive assembly on the base, drive assembly with the connecting plate links to each other, the drive assembly drive drive mechanism rotates in order to drive the connecting plate is in a guide Assembly goes up and slides. This device have simple structure, easy and simple to handle, can prevent advantage such as the uneven deformation and damage of drive mechanism atress.
Description
Technical field
The utility model relates generally to robotics, refers in particular to a kind of counter weight device of industrial robot.
Background technology
Horizontal articulated industrial robot is widely used in production scene, complete the tasks such as welding, carrying, piling, cutting, lathe loading and unloading, handling goods, it is to improve production efficiency and product quality, improve work situation, ensure life safety, reducing the aspects such as production cost has very important meaning.In horizontal articulated industrial robot, the normal leading screw that uses does jacking system, and it has the linear degrees of freedom up and down of three rotary freedoms and Z.Due to operationally, arm parts are wanted frequently to move up and down at high speed, front end component adds that load has larger gross weight, move up and down complete in leading screw drive, leading screw and servomotor is made to bear very large acceleration of gravity and frictional force, such leading screw is easy to wearing and tearing, affects the precision that jacking system moves up and down; And under the Action of Gravity Field of front end component and load, jacking system will bear very large moment of flexure, leading screw can be made to produce flexural deformation, and then affect the stability of complete machine.
Utility model content
The technical problems to be solved in the utility model is just: the technical problem existed for prior art, and the utility model provides the counter weight device that a kind of structure is simple, prevent the industrial robot of transmission mechanism unbalance stress deformed damaged.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of counter weight device of industrial robot, comprise base, described base is provided with column, described column is provided with the first guide assembly and the second guide assembly, described first guide assembly slides the connecting plate be provided with for mounting industrial robot arm member, described second guide assembly is provided with balancing weight, pulley assembly is provided with above described column, described pulley assembly is slidably equipped with draw runner, one end of described draw runner is connected with described balancing weight, the other end is connected with described connecting plate, described base is also provided with driven unit and transmission component, described transmission component is connected with described connecting plate, described driven unit drives described transmission mechanism to rotate to drive described connecting plate to slide on described first guide assembly.
Further improvement as technique scheme:
Described transmission mechanism is ball screw assembly, described ball screw assembly, comprises leading screw, upper end parts of bearings and bottom end bearing parts, the upper end of described leading screw is rotated by upper end parts of bearings and is arranged on described column, and the lower end of described leading screw is rotated by bottom end bearing parts and is arranged on described column.
Described upper end parts of bearings comprises clutch shaft bearing seat and two angular contact bearings, and two angular contact bearings are that relative shape is arranged in described bearing block.
Described bottom end bearing parts comprise the second bearing block and two deep groove ball bearings, and two deep groove ball bearings are arranged in described second bearing block.
Described driven unit comprises drive motors, and the output of described drive motors is connected with described leading screw.
Described first guide assembly comprises many cylindrical guides, described balancing weight is provided with the through hole passed for described cylindrical guide.
Described second guide assembly comprises many line slide rails, and described connecting plate is installed with multiple slide block, and multiple slide block correspondence is slidably arranged on described line slide rail.
Described connecting plate is U-shaped, and multiple slide block is distributed in all sides of described connecting plate.
Described pulley assembly comprises two synchronizing wheels, and two synchronizing wheels are arranged on the isometry position place of column.
Described draw runner is Timing Belt.。
Compared with prior art, the utility model has the advantage of:
The counter weight device structure of industrial robot of the present utility model is simple, adopt balancing weight in order to the weight of balancing front-ends robot arm member and load, and reduce transmission component frictional force and driven unit torsion, driven unit does not have heating and warning phenomenon yet.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Number in the figure illustrates: 1, column; 2, base; 3, balancing weight; 4, connecting plate; 5, Timing Belt; 6, synchronizing wheel; 7, ball screw assembly; 8, bottom end bearing parts; 9, upper end parts of bearings; 10, line slide rail; 11, cylindrical guide; 12, servomotor; 13, motor cabinet; 14, dust cover; 15, screw synchronous assembly.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is further described.
As depicted in figs. 1 and 2, the counter weight device of the industrial robot of the present embodiment, comprise base 2, base 2 is provided with column 1, column 1 is provided with the first guide assembly and the second guide assembly, first guide assembly slides the connecting plate 4 be provided with for mounting industrial robot arm member, second guide assembly is provided with balancing weight 3, pulley assembly is provided with above column 1, pulley assembly is slidably equipped with draw runner, one end of draw runner is connected with balancing weight 3, the other end is connected with connecting plate 4, base 2 is also provided with driven unit and transmission component, transmission component is connected with connecting plate 4, driven unit drive transmission device rotates to drive connecting plate 4 to slide on the first guide assembly.The counter weight device structure of industrial robot of the present utility model is simple, adopt balancing weight 3 in order to the weight of balancing front-ends robot arm member and load, and reduce transmission component frictional force and driven unit torsion, driven unit does not have heating and warning phenomenon yet.
In the present embodiment, transmission mechanism is ball screw assembly, 7, ball screw assembly, 7 comprises leading screw, upper end parts of bearings 9 and bottom end bearing parts 8, and the upper end of leading screw is rotated by upper end parts of bearings 9 and is arranged on column 1, and the lower end of leading screw is rotated by bottom end bearing parts 8 and is arranged on column 1; Wherein upper end parts of bearings 9 comprises clutch shaft bearing seat and two angular contact bearings, and two angular contact bearings are that relative shape is arranged in bearing block, thus forms axial restraint support to leading screw upper end.Bottom end bearing parts 8 comprise the second bearing block and two deep groove ball bearings, and two deep groove ball bearings are arranged in the second bearing block, form axial float support leading screw.
In the present embodiment, driven unit comprises drive motors, the output of drive motors is connected with leading screw, wherein drive motors is servomotor 12, be arranged in servo motor seat 13, motor cabinet 13 is then arranged on column 1, and position is adjustable, facilitates screw synchronous assembly 15 (screw synchronous band and belt wheel) to install and tensioner.
In the present embodiment, the first guide assembly comprises many cylindrical guides 11, balancing weight 3 is provided with the through hole passed for cylindrical guide 11.Second guide assembly comprises many line slide rails 10, and connecting plate 4 is installed with multiple slide block, and multiple slide block correspondence is slidably arranged on line slide rail 10.
In the present embodiment, connecting plate 4 is U-shaped, and multiple slide block is distributed in all sides of connecting plate 4.Pulley assembly comprises the isometry position place that two synchronizing wheels, 6, two synchronizing wheels 6 are arranged on column 1, and wherein draw runner is Timing Belt 5.
In the present embodiment, column 1 utilizes cold-bend hollow profiled bar to make, its front end fluting utilizes upper end parts of bearings 9 and bottom end bearing parts 8 to be fixed on column 1 by ball screw assembly, 7, ball screw assembly, 7 lower end utilizes servomotor 12 to drive, thus drive screw synchronous band and belt wheel to rotate, thus drive screw turns, thus the connecting plate 4 be connected with leading screw is slided on line slide rail 10; Because connecting plate 4 is connected with the balancing weight 3 of opposite side by Timing Belt 5, thus make balancing weight 3 do relative moving up and down with connecting plate 4, namely when leading screw drives connecting plate 4 to do ascending motion, balancing weight 3 moves downward, otherwise then moves upward.Its central post 1 is fixed with four line slide rails 10, bottom surface is provided with two, and both sides are respectively provided with one, thus ensures that connecting plate 4 is more firm, works more reliable.This device outside dust cover 14 covers in addition, to adapt to various working environment.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection domain of the present utility model should be considered as.
Claims (10)
1. the counter weight device of an industrial robot, it is characterized in that, comprise base, described base is provided with column, described column is provided with the first guide assembly and the second guide assembly, described first guide assembly slides the connecting plate be provided with for mounting industrial robot arm member, described second guide assembly is provided with balancing weight, pulley assembly is provided with above described column, described pulley assembly is slidably equipped with draw runner, one end of described draw runner is connected with described balancing weight, the other end is connected with described connecting plate, described base is also provided with driven unit and transmission component, described transmission component is connected with described connecting plate, described driven unit drives described transmission mechanism to rotate to drive described connecting plate to slide on described first guide assembly.
2. the counter weight device of industrial robot according to claim 1, it is characterized in that, described transmission mechanism is ball screw assembly, described ball screw assembly, comprises leading screw, upper end parts of bearings and bottom end bearing parts, the upper end of described leading screw is rotated by upper end parts of bearings and is arranged on described column, and the lower end of described leading screw is rotated by bottom end bearing parts and is arranged on described column.
3. the counter weight device of industrial robot according to claim 2, is characterized in that, described upper end parts of bearings comprises clutch shaft bearing seat and two angular contact bearings, and two angular contact bearings are that relative shape is arranged in described bearing block.
4. the counter weight device of industrial robot according to claim 3, is characterized in that, described bottom end bearing parts comprise the second bearing block and two deep groove ball bearings, and two deep groove ball bearings are arranged in described second bearing block.
5. the counter weight device of industrial robot as claimed in any of claims 2 to 4, is characterized in that, described driven unit comprises drive motors, and the output of described drive motors is connected with described leading screw.
6. the counter weight device of industrial robot as claimed in any of claims 1 to 4, is characterized in that, described first guide assembly comprises many cylindrical guides, described balancing weight is provided with the through hole passed for described cylindrical guide.
7. the counter weight device of industrial robot as claimed in any of claims 1 to 4, it is characterized in that, described second guide assembly comprises many line slide rails, and described connecting plate is installed with multiple slide block, and multiple slide block correspondence is slidably arranged on described line slide rail.
8. the counter weight device of industrial robot according to claim 7, is characterized in that, described connecting plate is U-shaped, and multiple slide block is distributed in all sides of described connecting plate.
9. the counter weight device of industrial robot as claimed in any of claims 1 to 4, is characterized in that, described pulley assembly comprises two synchronizing wheels, and two synchronizing wheels are arranged on the isometry position place of column.
10. the counter weight device of industrial robot according to claim 9, is characterized in that, described draw runner is Timing Belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691835.6U CN204997694U (en) | 2015-09-09 | 2015-09-09 | Industrial robot's counter weight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691835.6U CN204997694U (en) | 2015-09-09 | 2015-09-09 | Industrial robot's counter weight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204997694U true CN204997694U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520691835.6U Active CN204997694U (en) | 2015-09-09 | 2015-09-09 | Industrial robot's counter weight device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106109018A (en) * | 2016-06-22 | 2016-11-16 | 重庆金山科技（集团）有限公司 | Micro-wound operation robot and passive arm equalization brake gear thereof |
| CN108858140A (en) * | 2018-06-27 | 2018-11-23 | 东北大学 | A kind of underloading material transfer robot |
-
2015
- 2015-09-09 CN CN201520691835.6U patent/CN204997694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106109018A (en) * | 2016-06-22 | 2016-11-16 | 重庆金山科技（集团）有限公司 | Micro-wound operation robot and passive arm equalization brake gear thereof |
| CN108858140A (en) * | 2018-06-27 | 2018-11-23 | 东北大学 | A kind of underloading material transfer robot |
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