JP2516957B2 - Electronic component mounting device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a component mounting apparatus for mounting an electronic component (leadless component) at a predetermined position such as a printed circuit board.

2. Description of the Related Art In recent years, as leadless electronic parts (chip parts) have become widespread, the types of shapes and sizes have increased, and the speed and reliability of devices that compose electronic circuits by combining these electronic parts have been improved. Is being requested.

An example of the above-described conventional mounting device will be described below with reference to the drawings. 6 and 7 show a conventional electronic component mounting apparatus. In FIG. 6, reference numeral 1 denotes a suction position where a suction nozzle sucks a component. 3 is a large regulation position, which regulates large parts adsorbed by 11 large regulation units. 4 sets the small parts adsorbed by the small adjustment unit at the small adjustment position 12. 5 is a component detection for detecting a component. 6 is a mounting position for mounting components on a printed circuit board. Reference numeral 8 denotes a defective discharge position, which discharges the component detected as defective at the detection position 5 described above. 9
Switches between the large and small suction nozzles at the suction nozzle switching position. FIG. 7 shows a train control device. Reference numeral 26 is the train body. 25 is a train wheel setting claw that is closed with a constant train setting force by a spring built into the train wheel setting unit body. Reference numeral 23 is a rod that is incorporated into the train wheel setting unit 26 and is moved back and forth to open and close the train wheel setting claw 25. 24 is a placket and 13 is a main body base. The train wheel setting unit body 26 is fixed to 13 body bases with 24 brackets. 21 is a block
It is fixed to the rod 23 with the nut of 22. 20 is a roller attached to the block 21. A bracket 17 is fixed to the bracket 24. 19 is attached to bracket 17 by a shaft. Reference numeral 18 denotes a lever that swings around a shaft 19 as a fulcrum to move a roller 20 attached to a block 21 back and forth. 14 is a connecting rod and 16 is a rod end. The connecting rod 14 is fixed to the rod end 16 with a nut 15,
It is fixed to lever 18 at 16. 28 is an adsorption nozzle. Reference numeral 29 denotes a component which is lowered by a certain stroke while being attracted to the tip of the suction nozzle 28, and is raised by being set by the setting claw 25.

Regarding the electronic component mounting device configured as described above,
The operation will be described below. First, when the component 29 is mounted at the suction position 1 by the mounting nozzle 28, it is distinguished whether the component 29 is a large component or a small component. The mounted component 29 is regulated at the large regulation position 3 in the case of a large component, and is regulated at the small regulation position 4 in the case of a small component. In the setting operation of the setting position, the connecting rod is moved up by a certain stroke, the lever 18 is swung, the rod 23 is advanced through the block 21, and the setting claw 25 is forcibly opened. Then, when the suction nozzle 28 descends, the connecting rod 14 retracts the rod 23 through the raising lever 18. When the rod 23 retracts, the train wheel setting claw 25 closes until the part 29 attracted by the spring built in the train wheel setting unit body 26 is trained. When the train wheel setting is completed, the connecting rod 14 descends again and the rod 23 is moved forward to forcibly open the train wheel setting claw 25. When the train wheel setting claw 25 opens, the suction nozzle rises and moves to the next position.

Problems to be Solved by the Invention However, in the above-described configuration, the large scale unit 11 in the large scale position 3 is set at the position of the component mounting device.
Since only two types of regulation units, that is, the regulation unit 12 of the regulation position 4, can be supported, there is a problem that regulation of parts having different shapes cannot be regulated.

The present invention makes it possible to regulate parts and the like having different shapes of the above problems.

Means for Solving the Problems In order to solve the above-mentioned problems, the posture of a component sucked by a plurality of suction heads provided on a table which intermittently rotates a fixed path is set at a predetermined stop position. An electronic component mounting device that regulates by a regulation unit provided facing the suction head when the suction head descends, wherein the regulation unit is composed of a plurality of types of regulation units, and each regulation unit is an electronic component. According to the shape of each of the above-described ones, each of the train wheel is provided with a differently openable / closable setting claw, and the opening / closing operation of each of the setting claws is configured to be performed by a drive source that lowers the suction head.

Effect According to the present invention, when the parts adsorbed by the adsorption nozzle are regulated by the above-described configuration, the regulation unit is selected in advance according to the shape of the component, and after the regulation position is regulated,
Mount the component on the printed circuit board at the mounting position.

Embodiment An electronic component mounting apparatus according to an embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1'denotes a suction position for sucking a component by a suction nozzle. Reference numeral 4'denotes a train setting position, in which 30 train control units A, 31 train control units B, 32 train control units C, and 33 train control units can be selected to control the sucked parts. 5'detects the component and detects the component at the suction nozzle rotation position. 6'is a mounting position for mounting components on a printed circuit board.
Reference numeral 8'denotes a defective discharge position, and discharges the component detected defective at the detection position 5 '. 9'is a switching position of the suction nozzle, and switches between the large and small suction nozzles. Second
In the figure, 46 is an index. 47 is a clutch brake that transmits the rotation from the gear of 48 to the index 46. 51 is a flange which holds the shaft of index 46 in the bearing of 52. A rotary table 65 is fixed to the axis of the index 46 and rotates by an arbitrary angle. 36
Is a cam that rotates about a shaft 37 as a fulcrum. A bracket 35 holds the shaft 37. Reference numeral 58 is a lever, which swings about the shaft 40 as a fulcrum. A rotary roller 38 is attached to the tip of the lever 58 to interlock the rotation of the cam 36 with the lever 58. Reference numeral 41 is a spring, which pulls the lever 58 with the bolt 42 as a fulcrum to cause the rotating roller 39 to always follow the cam 36. 43 is fixed to the lever 58 at the lodge end. Reference numeral 45 is a connecting shaft, which is fixed to the rod end by a nut 44 and converts the swinging motion of the lever 58 into a linear motion. 50 is a flange, and the slide bearing 49 holds the connecting shaft. A rotatable table 34 is provided with a plurality of 67 suction nozzles and is a roller 68, which moves up and down at a certain position. 68 is a component, which is sucked by the suction nozzle 67.

In FIG. 4, reference numeral 57 is a train wheel setting claw, which is normally closed by a spring built in the train wheel setting unit main body 66. 59 is a rod, which is forcibly pushed into the train wheel setting unit body 66 to force the train wheel setting claw 57.
To open. Normally, a spring built in the train wheel setting unit main body 66 pushes it outward by a certain stroke. 61 is a block, a nut 60 and a rod 59
It is fixed to. 66 is a rotating roller, which is held by a shaft 67. A rotating roller 56 is held by the shaft 53. A spacer 54 serves as a guide for the rotating roller 56. 55 is a nut, and the shaft 53 is fixed to the connecting shaft 45. 64
Is a shaft and is fixed to the bracket 63. Reference numeral 62 denotes a lever, which swings around a shaft 64 as a fulcrum and transmits the motion of the connecting shaft 45 to the rod 58.

This electronic component mounting device will be described in more detail with reference to FIGS. 1 to 4. FIG. 1 is a layout view of an electronic component device, FIG. 2 is a mechanical view, FIG. 4 is a detailed view of a train wheel setting unit, and FIG. 3 is a plan view of FIG. In these figures, the component 41 sucked by the suction nozzle 67 at the suction position 1'is moved to the setting position 4'on the rotary table 34. At this time, the rotation of the rotary table 34 and the rotary table 65 to which the train wheel setting unit main body 66 is attached can be synchronized by the operation of the clutch brake 47, so the rotary table 65 is rotated when the rotary table 34 is rotated. The train control unit body 66 can be switched. When moved to the train wheel setting position 4 ', the suction nozzle 67 moves to the roller 68.
To descend. When the lowering is completed, the cam 36 operates the lever 58 to raise the connecting shaft 45 and the lever 56.
Pushes the rod 59 outward by a certain stroke. When the load 59 is pushed out, the train wheel setting claw 57 is
Parts are built in by the spring built in the main unit 66.
Close until 68 is set. When the train is finished, the cam of 36 raises the lever 58, and the lever 56 moves the rod 59.
Is pushed inwardly to forcefully open the training claw 57. When the train wheel setting pawl is opened, the suction nozzle 67 rises, moves to the next detection position 5 ', detects the component 68, and mounts the component 68 on the printed board at the next mounting position 6'. When the train wheel setting unit body 66 is switched by rotating the rotary table 65, the lever 62 and the rotary roller 53 are at the same position,
When the rotary table 65 is rotated, the groove of the lever 62 and the rotary roller 65 are automatically meshed with each other.

EFFECTS OF THE INVENTION As described above, according to the present invention, a plurality of regulation units for regulating electronic components are arranged around the rotatable table at the component regulation position, and the size and shape of the electronic component attracted at the adsorption position are adjusted. Since you can select the proper regulation unit, you can respond to regulation of any parts. Since the rotation of the suction head table and the rotation of the train wheel setting unit rotary table can be rotated in synchronization with each other, the train wheel setting unit can be switched at high speed.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an arrangement of a suction nozzle and a train wheel setting unit of an electronic component mounting apparatus according to an embodiment of the present invention, FIG. 2 is a front view of a main part of the same section, and FIG. 3 is a plan view of the train wheel setting unit. FIGS. 4 and 5 are front views of the same, FIG. 5 is a front view of the train wheel setting unit in the closed state of the train wheel setting claw, and FIG. 6 is an explanatory view showing the arrangement of the suction nozzle and the train wheel setting unit of the conventional component mounting apparatus. The figure is a cross-sectional view of the relevant part. 34 …… Suction nozzle rotary table, 45 …… Coupling shaft, 57 ……
Regulation jaw, 59 …… Rod, 65 …… Regulation unit rotary table, 66 …… Regulation unit body, 67 …… Suction nozzle.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Morita 1006 Kadoma, Kadoma-shi, Matsushita Electric Industrial Co., Ltd. (72) Inventor Sora Fujiwara 1006 Kadoma, Kadoma-shi, Matsushita Electric Industrial (56) References JP 61-265220 (JP, A)

Claims (2)

(57) [Claims] 1. A posture of a component suctioned by a plurality of suction heads provided on a table which intermittently rotates a fixed path,
When the suction head is lowered at a predetermined stop position, an electronic component mounting device that regulates by a regulation unit provided to face the suction head, wherein the regulation unit is composed of a plurality of types of regulation units, Each train wheel setting unit is provided with a train wheel setting claw that can be opened / closed differently according to the shape of the electronic component, and an electronic component configured such that the opening / closing operation of each train wheel setting is performed by a drive source that lowers the suction head. Mounting device. 2. An electronic component mounting apparatus according to claim 1, wherein a plurality of train wheel setting units are provided on a rotatable table.