KR20140131220A - vertical transfer apparatus with many stages - Google Patents
vertical transfer apparatus with many stages Download PDFInfo
- Publication number
- KR20140131220A KR20140131220A KR20130050312A KR20130050312A KR20140131220A KR 20140131220 A KR20140131220 A KR 20140131220A KR 20130050312 A KR20130050312 A KR 20130050312A KR 20130050312 A KR20130050312 A KR 20130050312A KR 20140131220 A KR20140131220 A KR 20140131220A
- Authority
- KR
- South Korea
- Prior art keywords
- boom
- vertical transfer
- down boom
- transfer device
- pinion gear
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/823—Bracing equipment acting in vertical direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a vertical transfer device for a robot, and its object is to provide a vertical transfer device for a robot, which comprises a fixture, an upper up-down boom and a lower up-down boom, A three-stage vertical transfer device is provided which enables the height of the entire gantry machine to be reduced by enabling three-stage vertical transfer.
Description
The present invention relates to a three-stage vertical transfer device.
[0001] The present invention relates to a vertical transfer device for a robot, and more particularly to a vertical transfer device for a robot, which comprises a fixture, an upper up-down boom and a lower up-down boom, So that the height of the entire gantry equipment can be reduced by making the three-stage vertical transfer possible.
Generally, in the gantry robot, the vertical transfer device moves the moving part upward and downward from the fixing part in order to move the welding articulated robot up and down, so that the joint part between the fixing part and the moving part must be firmly connected.
Such a vertical transfer device conventionally used will be described in detail in the Registration Practical Utility Bulletin No. 20-0159578.
That is, a feature of the conventional vertical transfer device is that a vertical transfer device of a gantry robot for vertically moving a multi-joint robot has an opening having a receiving space therein, and a gravity acting direction And a ball nut that is engaged with a ball screw at the center of the center of gravity so that the gravity of the ball screw can be reduced by the rotation of the ball screw, A vertical transfer device of a gantry robot having a ball screw including a movable part coupled with a fixed part so that the movable part can be selectively moved in the direction opposite to or opposite to the direction of the vertical movement.
In the conventional vertical conveying apparatus having a ball screw as described above, since it has to be raised to the upper part of the gantry by the length of the up-down boom, there is a problem that sufficient free space for the boom is secured in the upper part of the can.
SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a vertical transfer device using three stages of motors and pinion gears, Stage vertical conveying device which is capable of providing a three-stage vertical conveying device.
According to an aspect of the present invention, there is provided a vertical transfer device including an up-down boom for performing a welding operation using a robot, the vertical transfer device comprising: a fixture for fixing a vertical transfer device; a rack gear formed at one side thereof; A lower up-down boom having a top up-down boom, a rack gear formed at one side thereof and inserted into the upper up-down boom, and a first pinion installed at the fixture and connected to the rack gear of the upper up- And a second pinion gear provided at a lower end of the upper up-down boom and connected to a rack gear of a lower up-down boom, the upper pin down gear having a motor, The up-down boom can be moved up and down, and the second pinion gear connected to the rack gear of the lower up-down boom The up-down due to the lower boom about the vertical three-stage feeding device characterized in that to enable the vertical transfer in three by so that it can be moved up and down.
SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a vertical transfer apparatus equipped with an up-down boom for performing a welding operation using a robot. The vertical transfer apparatus includes a fixed structure for fixing a vertical transfer device, A lower up-down boom formed with a rack and a rack gear formed at one side thereof and inserted into the upper up-down boom, a motor provided at the upper part of the upper up-down boom, And a second pinion gear provided at a lower end portion of the upper up-down boom and connected to a rack gear of a lower up-down boom, the motor being provided with a first pinion gear connected to a rack of the upper up- The rotation of the pinion gear allows the upper up-down boom to move up and down, and the rack gear of the lower up- So that vertical transfer can be performed by allowing the lower up-down boom to move up and down due to the rotation of the connected second pinion gear.
The effects of the present invention, which can be expected from the above-described configuration and operation, are as follows.
The lower up-down boom can be inserted into the upper up-down boom. Thus, when the boom is raised to the maximum, there is no need for a large space above the gantry.
1 is a sectional view showing a three-stage vertical transfer device according to the present invention,
Fig. 2 is a schematic view showing the operation of the three-stage vertical transfer device of the present invention in a step-by-step manner.
BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.
1 is a cross-sectional view showing a three-stage vertical transfer device according to the present invention. 1, the present invention is characterized in that a
The upper up-down
The
Likewise, the
The
Up and down of the boom is controlled by the rotation of the
Meanwhile, as shown in the figure, when the upper and lower up-down booms rise to the maximum, the lower up-down boom is inserted into the upper up-down boom, so that the upper space due to the rise of the up- , The lower up-down boom inserted in the upper up-down boom descends and can be taken out of the upper up-down boom and the maximum descending length can be longer.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.
10: fixed structure 20: upper up-down boom
21: rack gear 22: first pinion gear
23: Reduction gear 24: Motor
30: Lower up-down boom 31: Rack gear
32: second pinion gear 33: speed reducer
34: motor 40: welding robot
Claims (1)
A fixing structure for fixing the vertical transfer device,
A top up-down boom having a rack gear on one side and an empty interior,
A lower up-down boom in which a rack gear is formed on one side and inserted into the upper up-down boom,
A first pinion gear installed in the fixture and having a motor and connected to a rack gear of an upper up-down boom,
A second pinion gear provided at a lower end of the upper up-down boom and having a motor and connected to a rack gear of a lower up-down boom,
The upper up-down boom can be moved up and down due to the rotation of the first pinion gear connected to the rack gear of the upper up-down boom, and the lower up-down boom is moved up and down due to the rotation of the second pinion gear connected to the rack gear of the lower up- So that the vertical transfer can be performed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20130050312A KR20140131220A (en) | 2013-05-03 | 2013-05-03 | vertical transfer apparatus with many stages |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20130050312A KR20140131220A (en) | 2013-05-03 | 2013-05-03 | vertical transfer apparatus with many stages |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20140131220A true KR20140131220A (en) | 2014-11-12 |
Family
ID=52452738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20130050312A KR20140131220A (en) | 2013-05-03 | 2013-05-03 | vertical transfer apparatus with many stages |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20140131220A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111766148A (en) * | 2020-07-15 | 2020-10-13 | 兰州交通大学 | Tensile test testing device and testing method for stud welding heads with different diameters |
-
2013
- 2013-05-03 KR KR20130050312A patent/KR20140131220A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111766148A (en) * | 2020-07-15 | 2020-10-13 | 兰州交通大学 | Tensile test testing device and testing method for stud welding heads with different diameters |
CN111766148B (en) * | 2020-07-15 | 2022-12-30 | 兰州交通大学 | Tensile test testing device and testing method for stud welding heads with different diameters |
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WITN | Withdrawal due to no request for examination |