JPH0314075Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to an electronic component insertion device used for mounting electronic circuit boards.

(b) Conventional technology In recent years, circuit board mounting work has become highly automated, and a wide variety of electronic components are now subject to automatic insertion. Conventionally, the most popular type of automatic insertion apparatus is one in which the substrate is moved by an X-Y table and the insertion head is not moved, as described in Japanese Patent Publication No. 57-42238. This type of insertion device is suitable for driving a large number of common axial lead type or radial lead type parts at high speed. By the way, recently, even parts that are only mounted on one or two boards are now subject to automatic insertion. Since it would be uneconomical to perform such a small amount of insertion work using the aforementioned high-speed insertion device, a relatively simple insertion device using an industrial robot was developed. Unexamined Japanese Patent Publication 1987-
Examples include those described in Japanese Patent Application Laid-open No. 199300 and Japanese Patent Application Laid-open No. 58-200600. Simply put, this type of insertion device consists of an arm of a rectangular coordinate robot with two axes, X and Y, an insertion head that picks up electronic components and inserts them into a board, and an insertion head that clinches component leads on the bottom surface of the board. The insertion work is carried out by moving the insertion head and the anvil head without moving the board. The insertion head and anvil head are always aligned in the vertical (Z-axis) direction.

(c) Problems to be solved by the invention The above-mentioned insertion device for small parts picks up parts by extending the arm of the robot toward the parts supply section. However, since the anvil head is always located below the insertion head, the component supply section must be thick enough to fit between the two heads. However, this limitation on the thickness of the component supply section becomes a serious obstacle when attempting to supply large and tall components. The present invention was made with the aim of solving this problem.

(d) Means for Solving the Problems In the present invention, a slide base that moves linearly in a horizontal plane supports an upper arm and a lower arm so that it can move horizontally and at right angles to the direction of movement of the slide base. The upper arm supports an insertion head at its tip, and the lower arm supports a fixing head at its tip that applies a treatment to prevent the component leads protruding from the circuit board from coming out. The upper arm and the lower arm are moved independently of each other with respect to the slide base by a feed screw.

(e) Effect The above configuration allows the insertion head and the fixed head to move independently of each other. Therefore, when picking up parts, only the insertion head needs to be moved above the parts supply section.

(f) Example In the figure, 1 is the direction perpendicular to the page (horizontal direction)
2 is a slide base that is slidably supported on a pair of rails 3 on the base 1; 4 is a slide base that extends along the rails 3 in a direction perpendicular to the plane of the paper (this is the X-axis direction); It is a feed screw that moves in a straight line. Reference numerals 5 and 6 denote an upper arm and a lower arm that are supported by the slide base 2 so as to be movable at right angles to the direction of movement thereof and horizontally (this is the Y-axis direction). The upper arm 5 is composed of a beam 7 passing through the slide base 2, end plates 8 and 9 fixed to the front and rear ends of the beam 7, and a feed screw 10 supported between the end plates 8 and 9. Ru.
The lower arm 6 is composed of a beam 11 passing through the slide base 2, end plates 12 and 13 fixed to the front and rear ends of the beam 11, and a feed screw 14 supported between the end plates 12 and 13. Ru. The feed screw 10 has a nut portion 1 fixed to the slide base 2.
5 and is rotated by an electric motor 16 fixed to the end plate 9, giving movement to the upper arm 5 in the Y-axis direction. The feed screw 14 is attached to the slide base 2
It passes through a nut portion 17 fixed to the end plate 13, and is rotated by an electric motor 18 fixed to the end plate 13, thereby imparting movement to the lower arm 6 in the Y-axis direction. The upper arm 5 and the lower arm 6 are vertically aligned in the X-axis direction.

End plate 8 supports an insertion head 19 and end plate 12 supports a fixation head 20. The insertion head 19 is connected to the component insertion chuck 21 by a built-in air cylinder.
Pick and brace the electronic components 22 by raising and lowering them. Reference numeral 23 designates a circuit board on which the electronic component 22 is to be mounted, and is supported by a pair of rails 24 so as to be sandwiched between the insertion head 19 and the fixed head 20. The fixed head 20 has a clinch lever 25 that is moved up and down by a built-in air cylinder. clinch lever 2
5 is a component lead 26 protruding from the bottom surface of the board 23.
By bending the parts 22, the parts 22 are prevented from coming off. Reference numeral 27 denotes a component supply section, which is thicker in the vertical direction than the gap created between the insertion head 19 and the fixed head 20.

The above device operates as follows. First, the electronic component 22 is picked up from the component supply section 27. At this time, only the upper arm 5 is placed over the component supply section 27 as shown in FIG. After picking up the component 22, insert the insertion head 19 and the fixing head 20 onto the board 2.
3, and insert the component 22 and clinch the lead 26 as shown in FIG.

(g) Effect of the invention According to the configuration of the invention, when the insertion head approaches the parts supply part, the fixed head can be kept away from the parts supply part, so it is possible to use a thick head for feeding large parts. The parts supply units can be combined, greatly expanding the range of parts that can be handled.

[Brief explanation of the drawing]

FIGS. 1 and 2 are sectional views showing an embodiment of the present invention in different operating states. 2...Slide base, 5...Upper arm, 6
...Lower arm, 10, 14...Feed screw, 19
...Insertion head, 20...Fixed head.

Claims (1)

[Claims for Utility Model Registration] A slide base that moves linearly in a horizontal plane; an upper arm and a lower arm that are supported by the slide base so as to be movable horizontally at right angles to the direction of movement thereof; and the upper arm. and a feed screw that moves the lower arm independently of each other with respect to the slide base; an insertion head supported at the tip of the upper arm; and a component supported at the tip of the lower arm and protruding from the bottom surface of the circuit board. An electronic component insertion device equipped with a fixed head that prevents the leads from coming out.