KR20080030181A - 3-stage vertical feeder - Google Patents

Abstract

The present invention relates to a vertical transfer device of a robot, the object of which is composed of a fixture, an upper up down boom, a lower up down boom and each up-down boom so that the rack gear is installed in the vertical direction, using a motor, a reducer, a pinion gear It is to provide a three-stage vertical feeder that enables the three-stage vertical feed to lower the height of the entire gantry equipment.

The present invention for achieving the above object is a vertical transfer device equipped with an up-down boom for performing a welding operation using a robot, a fixture for fixing the vertical transfer device, a rack gear is formed on one side and the inside is empty An upper up-down boom, a lower up-down boom formed on one side and inserted into the upper up-down boom, and a first pinion installed on the fixture and provided with a motor and connected to the rack gear of the upper up-down boom A gear and a second pinion gear installed at the lower end of the upper up-down boom and having a motor and connected to the rack gear of the lower up-down boom, and the upper portion of the upper up-down boom connected to the rack gear of the upper Allow the up-down boom to move up and down, and rotate the second pinion gear connected to the rack gear of the lower up-down boom That 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 and to the technical aspect.

Description

{Vertical transfer apparatus with three stages}

1 is a cross-sectional view showing a three-stage vertical feeder of the present invention,

Figure 2 is a schematic diagram showing the operation of the present inventors three-stage vertical feeder step by step,

<Description of the symbols for the main parts of the drawings>

(10): fixed structure (20): upper up-down boom

(21): rack gear (22): first pinion gear

(23): reducer (24): motor

(30): Lower up-down boom (31): Rack gear

32: second pinion gear 33: reducer

(34): motor 40: welding robot

The present invention relates to a vertical transfer device of the robot, and more specifically, it is composed of a fixture, an upper up-down boom, a lower up-down boom, each of the up-down boom is to be installed in the vertical gear rack, motor, reducer, pinion gear It is related to a three-stage vertical feeder to enable the three-stage vertical transfer to lower the height of the entire gantry equipment.

In general, in the gantry robot, the vertical transfer device moves the moving part up and down from the fixing part to move the welding articulated robot up and down, so that the coupling part of the fixing part and the moving part must be firmly configured.

This vertical transfer device used in the prior art is described in detail in the Utility Model Publication No. 20-0159578.

That is, the conventional vertical transfer device is characterized in that the gantry robot vertical transfer device for moving the articulated robot up and down, an opening having a receiving space therein is formed in the direction of gravity action at approximately the center of gravity within the opening. Is provided with a ball screw extending to the ball screw, and having a fixed portion configured to rotate the ball screw by a driving force transmitted from the motor, and having a ball nut screwed with the ball screw at an approximately center of gravity, thereby causing gravity action. A vertical transfer device of a gantry robot with a ball screw comprising a moving part coupled with a fixed part to be selectively moved in a direction or an opposite direction is described.

According to the conventional vertical feeder provided with a ball screw as described above, there is a problem that a sufficient space for the boom should be secured on the upper part of the canthus because it must be raised to the top of the gantry by the length of the up-down boom.

The present invention was created in order to solve the conventional problems as described above, by using the motor and the pinion gear to make the vertical transfer device in three stages while using less space for the boom on the top of the gantry up the robot It is an object of the present invention to provide a three-stage vertical feeder to enable this.

The present invention for achieving the above object is a vertical transfer device equipped with an up-down boom for performing a welding operation using a robot, a fixture for fixing the vertical transfer device, a rack gear is formed on one side and the inside is empty An upper up-down boom, a lower up-down boom formed on one side and inserted into the upper up-down boom, and a first pinion installed on the fixture and provided with a motor and connected to the rack gear of the upper up-down boom A gear and a second pinion gear installed at the lower end of the upper up-down boom and having a motor and connected to the rack gear of the lower up-down boom, and the upper portion of the upper up-down boom connected to the rack gear of the upper Allow the up-down boom to move up and down, and rotate 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.

When described in detail with reference to the accompanying drawings, the configuration and the operation of the embodiment of the present invention to achieve the object as described above and to perform the task for eliminating the conventional drawbacks.

1 is a cross-sectional view showing a three-stage vertical feeder of the present invention.

As shown in FIG. 1, in the present invention, a first pinion gear 22 is installed in a fixed structure 10, and the first pinion gear 22 includes a speed reducer 23 and a motor 24 to accelerate. Rotation and deceleration rotation are possible.

On the other hand, the upper up-down boom 20 is a side of the rack gear 21, the rack gear 21 is to be engaged with the first pinion gear 22, the upper up-down boom 20 is fixed structure It is installed to move up and down in (10), and forms a space therein so that the boom smaller in size than the upper up-down boom can be inserted.

In addition, a second pinion gear 32 is installed at a lower end of the upper up-down boom 20, and the second pinion gear 32 includes a reducer 33 and a motor 34 to accelerate and rotate. It is possible.

The lower up-down boom 30 is manufactured to have a size that can be inserted into the upper up-down boom 20, and similarly to the upper up-down boom 20, a rack gear 31 is formed on the side to form the second pinion gear 32. ) So that it can be engaged with

The welding robot 40 is coupled to the lower end of the lower up-down boom 30, and the first pinion gear 22 and the second pinion gear 32 are each operable to freely control the vertical transfer of the robot. can do.

Hereinafter, the operation of the present invention will be described in detail with reference to the drawings.

2 is a step-by-step operation of the present inventors three-stage vertical transfer device, the upper up-down boom 20 and the lower up-down boom 30 is ascending as much as possible, the upper up-down boom 20 only lowered, the upper up-down The boom 20 and the lower up-down boom 30 are both showing the state descended to the sequential order.

The raising and lowering of the boom is caused by the rotation of the first pinion gear 22 and the second pinion gear 32, so that the rack gear of the up-down boom is bitten by the first pinion gear 22 and the second pinion gear 32, respectively. As the 21 and 31 move, the vertical up and down of the upper up down boom 20 and the lower up down boom 30 are possible.

On the other hand, when the upper up down boom and the lower up down boom as shown in the drawing as the maximum, since the lower up down boom is inserted into the interior of the upper up down boom, the upper space due to the rise of the up down boom is not necessary, the maximum In the case of lowering, the lower up-down boom inserted into the upper up-down boom descends from the upper up-down boom and may be longer.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

The effects of the present invention that can be expected by the configuration and action as described above are as follows.

By allowing the lower up-down boom to be inserted into the upper up-down boom, since there is no need for a lot of free space at the top of the gantry, there is an advantage that more efficient space utilization is possible.

Claims (1)

In the vertical feeder equipped with an up-down boom for performing a welding operation using a robot, A fixed structure for fixing the vertical feeder, The rack gear is formed on one side and the upper up-down boom is empty inside, The rack gear is formed on one side and the lower up-down boom is inserted into the upper up-down boom and installed, A first pinion gear installed in the fixture and provided with a motor and connected with the rack gear of the upper up-down boom, It is installed on the lower end of the upper up-down boom and comprises a second pinion gear having a motor and connected with the rack gear of the lower up-down boom, Rotation of the first pinion gear connected to the rack gear of the upper up-down boom allows the upper up-down boom to move up and down, and rotation of the lower up-down boom moves up and down by the rotation of the second pinion gear connected to the rack gear of the lower up-down boom. 3-stage vertical conveying apparatus, characterized in that to enable vertical conveying.

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