JP2002036071A - Stacked robot line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively utilize an installation space for a line when the line is extended in a plant in a robot line manufacturing a work formed of small parts. SOLUTION: A positioning set part 2, a small robot 3, a nut welder 4, and a delivery part 5 as line components are supported on frame structural bodies 1 integral with each other for each assembly line units A and A' for unitization. Positioning pins 6 and positioning holes are provided in the frame structural bodies 1 detachable from each other at upper and lower corresponding positions in vertical direction. The frame structural bodies 1 are connected to the upper and lower stages by the fitting of the pins 6 into the holes to stackably form a production line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for arranging a line component such as a small robot or a welding machine in order to perform nut welding or bolting on a workpiece such as an automobile part composed of small parts. Related to the robot line to be manufactured.

[0002]

2. Description of the Related Art Conventionally, for example, in the case of performing nut welding on a work of a small component, a welding line is usually provided with a work setting small robot, a work positioning set unit, a nut welding machine, a payout unit, and a pallet. And so on in a layout configuration.

Conventionally, when a plurality of sets of such robot welding lines are installed in the same factory, a layout configuration in which the set lines are juxtaposed according to the number is used.

[0004]

However, conventionally, when a plurality of robot lines are installed in the same factory for welding small parts or the like, the layout configuration for adding the lines is planar, so There is a problem in that the use efficiency of the installation space is poor, and there is a limitation in space when expanding the line.

Accordingly, an object of the present invention is to solve the conventional problems as described above and to improve the efficiency of use of the installation space when a robot line for manufacturing a work made of small parts is expanded in a factory. It is in.

[0006]

Means for Solving the Problems Therefore, the present invention provides
In order to achieve the above object, there is provided a robot line including a plurality of sets of manufacturing lines for sequentially manufacturing a work composed of a small number of small parts by using line components including a small robot, wherein the line components are each set. Each frame structure is integrally supported by a frame structure to form a unit, and each frame structure is provided with a connecting portion that is detachably connected to each other at a corresponding position in the vertical direction, and the frame is connected to each other through the connecting portion. It is characterized in that the structure is configured to be connected in multiple stages up and down so that a production line can be stacked.

When the number of robot lines is increased, a plurality of sets of manufacturing lines are vertically stacked by connecting the frame structures according to the number of the frame structures in upper and lower tiers via their connecting portions. Make effective use of factory space.

[0008] The laminated robot line of the present invention comprises:
It is preferable that an insertion port is provided at a lower side of the frame structure so as to be lifted and transported by a forklift.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show an example of a laminated robot line according to the present invention. The robot line is a welding line for welding a workpiece W made of small parts such as a patch (pad) of an automobile part, and is installed in a factory.

The illustrated robot line is composed of two line units A and A ', and the configuration of one line unit A is clearly shown in FIG. The line unit A includes a frame structure 1 and a plurality of line components 2 to 5 supported by the frame structure 1.

The frame structure 1 is configured such that rectangular frames are formed by rectangular frames a to d formed using square pipe members, and a base plate e is fixed to the bottom surface thereof. Then, of the rectangular frames a to d, two positioning pins 6 are respectively projected upward at the corresponding predetermined positions on the upper surfaces of the pipes of the upper frames a1 and c1 in the horizontally opposed rectangular frames a and c. It becomes.

On the other hand, lower frame portions a2 and c of opposed rectangular frames a and c
A positioning hole (not shown) is provided at a predetermined position corresponding to the positioning pin 6 on the lower surface of the pipe 2. Further, in the illustrated frame structure 1, a forklift claw (not shown) is inserted into the lower frame portions a2 and c2 from the near side,
An insertion port 7 is provided.

The illustrated line unit A is provided on the base plate e of the frame structure 1 as the above-mentioned line components.
The unit has a configuration in which the positioning set unit 2, the small robot 3, the nut welding machine 4, and the dispensing unit 5 of the work W are mounted in order from the right in the drawing.

The positioning set portion 2 is provided with a pole 2a erected on a base plate e and a regulating plate frame 2b having an upper end opening formed in accordance with the outer shape of the work W. Then, a predetermined number of workpieces W are set in a skewered manner by passing the pole 2a through a through hole formed in advance, and are positioned by the regulating plate frame 2b in a predetermined unloading direction.

The small robot 3 is a robot for handling the work W, and has a configuration in which a magnet type hand 3b is provided at the tip of a movable arm 3a.

The nut welding machine 4 has a welding gun 4b which can be moved up and down on the end face of the welding machine body 4a near the small robot 3.
And a fixed receiving portion 4c are vertically opposed to each other. On the other hand, a guide tube 4d for supplying a nut to a nut welding position between the welding gun 4b and the receiving portion 4c is provided on a side surface near the small robot 3.

The dispensing portion 5 is formed, for example, by bending a steel material so that the guide plate surface 5a is inclined, a receiving port 5b is provided below a nut welding position, and a dispensing port 5c is provided outside the frame structure 1. The structure is arranged on the pallet 8.

In the above-described line unit A, when performing the nut welding on the work W, the positioning set portion 2
Then, a predetermined number of works W are set and positioned in advance. Then, a start button (not shown) is pressed to activate the line, and the work W is sequentially operated from the top by the hand 3b of the small robot 3.
Is magnetically attracted and taken out of the positioning set unit 2,
It is conveyed to the nut welding position of the nut welding machine 4. On the other hand, the nut welding machine 4 moves the guide tube 4d to the nut welding position.
The nut is supplied to the workpiece W, and the welding gun 4b is lowered to pressurize the nut on the receiving portion 4c, and the nut is welded to the workpiece W at a predetermined position by applying electricity.

After the nut is welded, the welding gun 4b is raised to the return position, while the hand 3b conveys the workpiece W onto the payout section 5, where the hand 3b is de-excited and falls on the guide plate surface 5a. Payout to the pallet 8 from the payout port 5c. In the illustrated line unit A, the nuts are sequentially welded to the works W, and when the nut welding is completed for a predetermined number of works W, the operation of the line is automatically stopped.

Although the illustrated robot line described above is not shown in detail in this example, the other line unit A 'has the same frame structure 1 and line components 2 to 5 as the one line unit A. And a unitized configuration.

Therefore, when adding a nut welding line for the work W as necessary, a claw is inserted into the insertion port 7 using, for example, a forklift, and the other line unit A 'is lifted up so that the other line unit A' And are connected in two upper and lower stages through the fitting of the positioning pins 6 and the positioning holes to each other, and are vertically stacked as shown in FIG. 2 to form two lines.

Now, the robot line of the present invention, of course,
The invention is not limited to the line form shown in the above-described embodiment, but may be configured as follows.

In the illustrated example described above, the frame units are vertically connected through the fitting of the positioning pins 6 and the positioning holes, and the line units A and A 'are stacked in two stages. Depending on the conditions such as the space and the weight of the forklift, the frame structure can be connected in multiple stages up and down to form a stacked structure of three or more stages.

In the illustrated example described above, the two line units A and A 'have a line configuration in which similar line components 2 to 5 are mounted. However, if necessary, the line units at each stage may be formed in different line configurations. Of course, it may be constituted. For example, in place of the above-described example, a line form in which small robots and welding machines are mounted by the number thereof in order to support different types and sizes of nut welding can be used. In this case, a positioning jig may be provided between the small robots for transferring small workpieces. Or,
It is also possible to configure a line so that one small robot can handle small workpieces and transfer them between welding machines.

In the above, all examples of the robot welding line are shown. However, the laminated robot line of the present invention is a process for assembling bolts, semiconductor chips, etc. to a small work, or a process for appropriately processing the small work itself. Such,
It can be widely applied to production lines other than the welding process.

In the illustrated example described above, the frame structure is vertically connected by fitting the positioning pin 6 and the positioning hole. However, the present invention is not limited to such fitting of the unevenness, and may be appropriately performed. The detachable connection structure is considered. For example, guides and stoppers are provided as connecting parts at corresponding positions in the vertical direction of each frame structure, and when the line units are stacked, the upper frame structure is placed on the lower frame structure, and then the guides of the guides are placed. The frame structure can be configured to be connected in multiple stages in the upper and lower directions by sliding to the back side and stopping against the stopper.

Although the above-mentioned frame structure 1 is formed using a square pipe material, the present invention is not limited to this, and may be constructed using a round pipe material, an angle material, a bar material, or the like.

[0029]

According to the present invention configured as described above, the following effects can be obtained.

According to the first aspect of the present invention, when the line components are integrally supported by the frame structure for each set line to form a unit, and when the number of lines is increased, the frame structure may be increased in accordance with the number thereof. Are connected in a vertically multi-tiered manner through the connecting parts of each other, and a plurality of sets of production lines are vertically stacked. The installation space can be used effectively.

According to the second aspect of the present invention,
An insertion port is provided on the lower side of the frame structure, a claw is inserted into the insertion port, and the robot line can be lifted and transported by a forklift, thereby facilitating the lamination work of the line.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one line unit of a laminated robot line according to the present invention.

FIG. 2 is a perspective view showing a two-stage lamination state of the lamination type robot line.

[Description of Signs] A / A 'Line Unit W Work of small parts 1 Frame structure 2 Positioning set part 3 Small robot 4 Nut welding machine 5 Dispensing part 6 Positioning pin (connection part) 7 Insertion port

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takayuki Oguro 1701 Furukawa, Shimosho-cho, Kameyama-shi, Mie F-term in Hirata Kameyama Manufacturing Co., Ltd. (reference) 3C042 RF01 RF03 RF09 RF10 3F060 AA00 AA01 CA21 FA03 4E065 AA05

Claims (2)

[Claims] 1. A robot line including a plurality of sets of manufacturing lines for sequentially manufacturing a work composed of a small number of small parts by line components including a small robot, wherein the line components are divided into each set line. The frame structure is integrally supported and unitized, and each frame structure is provided with a connecting portion detachably connected to each other at a corresponding position in the vertical direction, and the frame structure is connected to each other via the connecting portion. Are stacked in the upper and lower tiers to form a stackable manufacturing line. 2. The stacked robot line according to claim 1, wherein an insertion port is provided at a lower side of the frame structure so as to be lifted and transported by a forklift.