JP2000024864A - Automatic positioning device for square component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an accurate positioning action without requiring a wide space by providing a slide guide rotatably fitted with a square component press section and sliding the square component press section. SOLUTION: When a square component 1 is pressed to the y-axis by a positioning head 41 and is kept stationary in contact with set pins 31, 32, this position becomes a start point for positioning in the x-axis direction. The positioning head 41 is rotated as a slide 42 is moved along the y-axis, the force in the x-axis direction is applied to the square component 1, and a bearing at the x-axis pressure end of the positioning head 41 is brought into contact with the square component 1 to press the square component 1 to the x-axis. The square component 1 is kept stationary in contact with a set pin 33 in the x-axis direction, and the positioning of the square component 1 is completed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic component positioning apparatus for automatically setting a component position to a preset position when assembling a rectangular component. According to the present invention, in a mounting machine of a small liquid crystal display panel or the like, a positioning operation in a direction of two axes of XY such as a panel of a rectangular component can be performed by one action.
It is to realize a small and high-performance device.

[0002]

2. Description of the Related Art Conventionally, an LC for assembling a small liquid crystal panel.
2. Description of the Related Art In a D mounting automatic machine, an operation of integrally assembling components such as a flexible printed board, a liquid crystal panel, and a frame is performed. In such an assembling work of the liquid crystal panel, as shown in FIG. 3, the flexible printed board 20 is attached to the liquid crystal panel 10 having a rectangular shape.
After that, the work of attaching the frame 30 to the liquid crystal panel 10 is performed, and it is necessary to set the liquid crystal panel 10 and the frame 30 at accurate positions, respectively. Therefore, an automatic positioning device using a jig for setting the liquid crystal panel 10 and the frame 30 at predetermined positions is used.

FIG. 2 is a view for explaining a conventional automatic position locating device for a rectangular component. In Figure 2,
Reference numeral 1 denotes a rectangular component for setting the position of a liquid crystal panel, a frame, or the like. Reference numeral 2 denotes a work table on which an assembly operation is performed. The work table 2 is provided with setting setting pins 31, 32, and 33 for setting the position of the component 1 having a rectangular shape. Reference numeral 5 denotes a pressing portion for setting the rectangular component 1 at a predetermined position. In the pressing portion 5, a guide for pressing the square-shaped part 1 and sliding an arm for setting the position is provided on a diagonal line of the work table 2, and the pressing portion 5 slides the arm of the pressing portion. Thus, the position of the square-shaped part 1 is set by pressing the square-shaped part 1 against the setting setting pins 31, 32, 33 of the workbench 2.

[0004]

However, in such a conventional automatic position setting device for a rectangular component, the pressing portion 5 for setting the rectangular component 1 at a predetermined position is provided with a work table. 2, three setting setting pins 31,
Parts 1 having a square shape on the diagonal line with respect to 32 and 33
Because the position is set by pressing
A guide for sliding the pressing portion 5 is provided on the worktable 2.
Since it had to be provided on a diagonal line, there was a drawback that the space of the whole apparatus became large. This is a problem in an automatic assembling apparatus having many working steps, because the entire apparatus becomes large and a large space is required. Also, in the work of setting the position of the square-shaped part, if the square-shaped part 1 is inserted in an inclined state, as shown in FIG. The parts are fixed to the work table while being tilted, and if the work is performed as it is, the product becomes defective and there is a serious problem in practical use. An object of the present invention is to solve the problems of the above-described conventional automatic positioning device for rectangular components.

[0005]

According to the present invention, no extra space is required by installing a slide of a pressing portion for pressing a square-shaped part against a positioning pin in parallel with the square-shaped part. In addition, by providing a swinging mechanism in the pressing portion, by a configuration in which a force for separately pressing the square-shaped component in the x-axis direction and the y-axis direction is applied in one operation,
This realizes a structure in which positioning failure due to a posture at the time of placing a square component does not occur.

The automatic positioning device for a rectangular component according to the present invention is provided with a positioning pin for indicating the x-axis reference position and the y-axis reference position for setting the position of the rectangular component. A square shape with an x-axis pressing end for pressing in the x-axis direction for pressing the base and the square-shaped parts against the positioning pins and a y-axis pressing end for pressing the square-shaped parts in the y-axis direction A rectangular component pressing portion installed in parallel with the component and a slide guide for rotatably mounting the rectangular component pressing portion and sliding the rectangular component pressing portion. As a result, the force for separately pressing the square-shaped part in the x-axis direction and the y-axis direction can be applied in one operation, so that accurate positioning operation can be performed without requiring a large space. Than it is.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION

1, 2, and 3 are explanatory views showing the structure of an automatic positioning device for a rectangular component according to the present invention. FIG. 1 is a diagram showing a state when a component is inserted, and FIG. FIG. 3 is a view showing a state at the time of completion of component positioning. In FIGS. 1, 2, and 3, reference numeral 1 denotes a rectangular component for setting the position of a liquid crystal panel, a frame, or the like. 2
Is a workbench on which the assembling work of the rectangular component 1 is performed. The work table 2 is provided with setting setting pins 31.32.33 for setting the position of the component 1 having a square shape. Reference numeral 4 denotes a pressing portion for setting the rectangular component 1 at a predetermined position. The pressing portion 4 includes a positioning head 41 for pressing the rectangular component 1 to set the position and a slide guide 42 for sliding the positioning head 41.

The positioning head 41 has an x-axis pressing end 41x for pressing the square-shaped part 1 in the x-axis direction and a y-axis pressing end 41y for pressing the square-shaped part 1 in the y-axis direction. Bearings are attached to the x-axis pressing end and the y-axis pressing end. The positioning head 41 is a slide 42
Is mounted so as to be rotatable about a rotation shaft 40.
A plunger 43 rotates the positioning head 41. Reference numeral 44 denotes a spring for applying a force for pulling the slide 42 in the y-axis direction. The slide 42 is installed in parallel with the y-axis at a position where the rectangular component 1 is mounted on the worktable 2.

The operation of the thus configured automatic positioning device for a rectangular component according to the present invention is as follows. The fixing and release of the rectangular component 1 is performed by moving the slide 42 vertically along the y-axis. First, when the square-shaped component 1 is loaded, as shown in FIG. 1, the slide 42 is pushed up to the top position of the y-axis, and the positioning head 41 is
The work table 2 is rotated to a position where a space for receiving the square-shaped part 1 is created. In such a state, the rectangular component 1 is put into the workbench 2. When the rectangular component 1 is put into the worktable 2, the slide 42 moves downward along the y-axis as shown in FIG.

When the slide 42 moves along the y-axis, first, the y-axis pressing end 41y of the positioning head 41 is moved.
When it comes into contact with the square shaped part 1 or the square shaped part 1, it operates to press the square shaped part 1 against the position setting pins 31 and 32 in the y-axis direction. The rectangular component 1 is pressed against the y-axis by the head 41, and the setting setting pins 31,
When the slide 42 moves along the y-axis, the positioning head 41 rotates in the direction of the arrow when the slide 42 moves along the y-axis. A force in the x-axis direction is applied to
The positioning head 41 operates so as to contact the bearing of the x-axis pressing end 41x or the square-shaped part 1 and press the square-shaped part 1 against the x-axis. As a result, as shown in FIG. 3, when the quadrangular component 1 is pressed in the x-axis direction and comes into contact with the x-axis setting / setting pin 33 and does not move, the quadrangular component 1 is thereby positioned. Ends.

When the positioning of the square-shaped part 1 is completed, a force for pulling the slide 42 downward in the y-axis direction is applied to the slide 42 by the spring 44. The bearing at the pressure end 41x and the bearing at the y-axis pressing end 41y are firmly pushed in the x-axis and y-axis directions and are firmly fixed to the setting pins 31, 32, 33. As described above, in the automatic positioning device of the present invention, the positioning in the y-axis direction is performed first, and
Since the end position of the positioning in the axial direction becomes a fulcrum for performing the positioning operation in the x-axis direction, the positioning in the X-axis direction and the y-axis direction can be reliably performed. After the positioning in the X-axis direction and the y-axis direction is completed, even if the square-shaped component 1 moves due to external force or the like, the square-shaped component 1 always has the x-axis direction and the y-axis direction as shown in FIG. Due to the application of the axial pressing force, the square-shaped part 1 is always corrected to the correct position. When the work on the square-shaped part 1 is completed, the slide 42 is again pushed up to the top position of the y-axis, releasing the square-shaped part 1 and preparing to receive a new square-shaped part. Is performed.

The apparatus of the present invention can reliably perform positioning even if there is a dimensional error or the like of the square-shaped part 1 of the object to be positioned. When the positioning is performed, there is a feature that the allowable range of the position and the posture of the target rectangular component 1 is very wide. In the apparatus of the present invention, since the positioning in the two directions of the x-axis direction and the y-axis direction is individually performed by one operation guide, the position of the square-shaped part can always be set accurately. Correction can be surely made even when the position of the square component changes after the setting. In the above description, the example of the work of assembling the liquid crystal panel has been described, but the product to which the automatic positioning device for the square-shaped parts of the present invention is not limited to the liquid crystal panel.
The present invention can be applied to any product in the case of assembling various square parts. For example, it can be used for positioning a square tray.

[0013]

As is apparent from the above description, the automatic positioning apparatus for a rectangular part according to the present invention has a reference position on the x-axis and a reference position on the y-axis for setting the position of the rectangular part. A workbench provided with a positioning pin and a x-axis pressing end for pressing the square-shaped part against the positioning pin in the x-axis direction and a y-axis for pressing the square-shaped part in the y-axis direction A square-shaped part pressing part installed in parallel with a square-shaped part having a pressure end and a square-shaped part pressing part are rotatably mounted to slide the square-shaped part pressing part. The slide guides are configured so that the force for separately pressing the square-shaped parts in the x-axis direction and the y-axis direction by one action can be applied in one operation, so that accurate positioning can be performed without requiring a large space. It is possible to determine the operation is performed. For this reason, the automatic positioning device for rectangular parts according to the present invention can perform a small and stable positioning operation, so that reliable positioning is always performed, thereby improving the product yield and the operation rate of the device. Can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a state of a rectangular component automatic positioning apparatus of the present invention when a rectangular component is inserted.

FIG. 2 is an explanatory diagram showing a state during positioning of the automatic positioning device for a rectangular component according to the present invention.

FIG. 3 is an explanatory view showing a state at the time of completion of positioning of the automatic positioning device for a rectangular component according to the present invention.

FIG. 4 is a view for explaining a conventional automatic position locating device for a rectangular component.

FIG. 5 is a diagram for explaining an assembling operation of the liquid crystal panel.

[Explanation of symbols]

10: liquid crystal panel, 20: flexible printed board, 30: frame, 1 ...
・ Square shaped part of the part for which the position of the liquid crystal panel, frame, etc. is set, 2... Square shaped part 1
Worktables where the assembly work is performed, 31, 32,
33: setting setting pins for setting the position of the square-shaped part 1; 5 ... pressing parts for setting the square-shaped part 1 at a predetermined position; . .
A pressing portion for setting the square-shaped part 1 at a predetermined position; 40, a rotating shaft of a positioning head;
Reference numeral 1 denotes a positioning head for pressing the square-shaped component 1 to set the position; 42 a slide guide for sliding the positioning head 41;
41x: x-axis pressing end for pressing the square-shaped part 1 in the x-axis direction, 41y ... y-axis pressing end for pressing the square-shaped part 1 in the y-axis direction, 43 ... A plunger for rotating the positioning head 41, 44 ... A spring 7 for applying a force to pull the slide 42 in the y-axis direction.

Claims (4)

[Claims] A workbench provided with positioning pins for indicating the x-axis reference position and the y-axis reference position for setting the position of a square-shaped part, and pressing the square-shaped part against the positioning pin A square-shaped part installed in parallel with a square-shaped part having an x-axis pressing end for pressing in the x-axis direction and a y-axis pressing end for pressing the square-shaped part in the y-axis direction for An automatic component positioning device, comprising: a component pressing portion; a slide guide to which the rectangular component pressing portion is rotatably attached; and a slide guide for sliding the rectangular component pressing portion. 2. A workbench provided with a positioning pin indicating a reference position on the x-axis and a reference position on the y-axis for setting the position of a square-shaped part, and moving the square-shaped part in the x-axis direction. A positioning head for setting an x-axis pressing end for pressing and a y-axis pressing end for pressing a square-shaped component in the y-axis direction and pressing the square-shaped component against a positioning pin to set a position; An automatic component positioning device, comprising: a slide guide for rotatably mounting a positioning head, and a slide guide for sliding the positioning head, wherein the slide is installed in parallel with a position at which a rectangular component is mounted. 3. A workbench provided with a positioning pin for indicating a reference position on the x-axis and a reference position on the y-axis for setting the position of the square-shaped part, and the square-shaped part 1 is moved in the x-axis direction. It has an x-axis pressing end for pressing the X-axis and a y-axis pressing end for pressing the rectangular component in the y-axis direction. Bearings are attached to the x-axis pressing end and the y-axis pressing end. A positioning head for setting the position of a square-shaped part, a plunger for rotating the positioning head, a slide guide for sliding the positioning head with the positioning head rotatably mounted, and a slide having a square-shaped part An automatic component positioning device, wherein the component is installed in parallel with the position where the device is mounted. 4. A workbench provided with a positioning pin for indicating a reference position on the x-axis and a reference position on the y-axis for setting the position of a square-shaped part, and moving the square-shaped part in the x-axis direction. It has an x-axis pressing end for pressing and a y-axis pressing end for pressing a square-shaped component in the y-axis direction. A square with a bearing attached to the x-axis pressing end and the y-axis pressing end. Positioning head for setting the position of a component having a shape, a positioning guide for rotatably mounting the positioning head, a plunger for rotating the positioning head, and a force for pulling the slide in the y-axis direction The automatic positioning device for parts, wherein the springs and the slides are installed in parallel with the positions where the square parts are mounted.