JPS60233897A - Electric part inserting chuck unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to parts having lead wires in the same direction, such as ceramic capacitors (Fig. 1-A), electrolytic capacitors (Fig. 1-A),
Electrical component supply is a device that automatically inserts various types of electrical components with different shapes, such as vertical resistors (Fig. 1-l) and transistors (Fig. 1-2), into predetermined holes on printed circuit boards using one device. This invention relates to an insertion chuck unit that holds the lead wires of electrical components supplied from the electronics department and inserts them into predetermined holes in a printed circuit board.

Conventional Structure and Problems Conventionally, this type of automatic insertion machine has been designed to insert lead wires 2a and 2b in the same direction as shown in FIG.

A plurality of electrical components 3 forming 2C are placed at equal intervals (pitch P
) Separate and hold the band-shaped component assembly 7 fixed to a flexible tape 4 such as paper with an adhesive tape or the like 5 into individual components;
There is a method of transferring and inserting it into a dedicated insertion head. The configuration and operation of a typical example will be explained with reference to FIG. In the component receiver, the strip-shaped component assembly 7 set on the shelf 8 is moved up and down in sequence by the column section 9, and is pushed out by the cylinder 10 at a predetermined position, and then transferred to the delivery chuck 11.
The lead wire is held, and at the same time, the tape 4 is cut by the cutting unit 12. The separated electrical components 3 are intermittently sent to the delivery position of the insertion chuck 14 by the transfer section 13 (at this time, the tape 4 is separated by the lead wire cutting means during the transfer to the insertion chuck 14).
. The electric component 3 is transferred to the insertion chuck 14 by the transfer chuck 11, the insertion chuck 14 holds the lead wire, and the electric component 3 is inserted into the hole of the printed circuit board set in the printed circuit board moving unit 16 by the insertion head 15.

However, with the above configuration, there are problems in that the parts are often re-grabbed from the parts storage section to the insertion position, which may reduce the reliability of parts supply, and that a separate delivery unit is required, which tends to be expensive. there were.

OBJECTS OF THE INVENTION The present invention has been made with the aim of eliminating the above-mentioned drawbacks, and provides an insertion chuck unit characterized in that components are directly taken out from a component storage section and directly inserted into a printed circuit board without re-gripping. It is something to do.

Structure of the Invention The electrical component insertion chuck unit of the present invention has one guide claw that regulates the insertion direction and the insertion pinch of the lead wire of the electrical component, and one guide claw that is positioned on both sides of the guide claw with a certain gap and parallel to the lead wire of the electrical component. A pair of chuck jaws are attached to the rotating shaft of the guide jaw at right angles to the insertion direction so that the guide jaws can move, and a driving means for causing the swinging of the guide jaws and the head of the electric component are provided. This is a unit that houses a pusher that is in contact with each other and can be pivoted in the insertion direction, the guide claw, chuck claw, drive means, and pusher, and is configured to be able to rotate at right angles to the insertion direction. The parts can be taken out and inserted into the printed circuit board, which is advantageous in improving the reliability of parts supply compared to the re-gripping method.

Description of examples An embodiment of the present invention will be described below with reference to FIG. 4 and subsequent figures.

Reference numeral 17 denotes a component supply section that stacks a plurality of strip-shaped component assemblies 7 on two stacking sections, upper and lower, and rotates at a set speed to move any strip-shaped component assembly 7 to a predetermined component supply position. Reference numeral 18 is a parts cassette which is attached to the peripheral wall of the parts supply section 17 in correspondence with the band-shaped component assembly 7, and which transfers the electrical component 3 to a predetermined component supply position using the feed hole 6 of the band-shaped component assembly 7. be.

Reference numeral 19 denotes a cutter for cutting the lead wire of the component and the tape 4.5, and is installed upright on the insertion head 21.

2o holds the lead wire of the component at a predetermined size, and after the lead wire is cut by the cutter 19, it is oscillatedly transferred to the insertion position by the drive of the insertion head 21, and the printed circuit board 22
This is a chuck unit for inserting the lead wire of the electrical component 3 into a predetermined hole. The insertion head 21 drives the chuck 2o and inserts the electrical component 3 onto the printed circuit board 22 in the x-x direction and the Y direction.
-The insertion drive is performed in the Y direction, and the strip-shaped parts assembly 7 set in the parts cassette 18 is further transferred to the parts supply position. Reference numeral 23 denotes a board moving unit that holds the printed circuit board 22 and moves it back and forth and left and right to determine the insertion position. 24 is a parts supply section 17. cutter 19, insertion head 2
1. The chuck unit 20 is a drive control section that controls the operations of the substrate moving section 23 and the like.

The chuck unit 20 will be explained with reference to FIG. 6 and the following figures. The chuck body 25 is a cylinder that supports the press piston 28 slidably at one end without any play in the axial direction between the shaft of a bearing pinion (not shown) and the chuck body hole 27 on the insertion shaft 26 of the insertion head 21. Outer cylinder 29
．． The cylinder cover 30 forms a cylinder in which the suppression piston 28 and the chuck piston 31 are slidably supported. The chuck holder block 32 is pivotally supported by a bin 33 attached to the chuck main body 25 so as to be freely swingable.
The shaping lever 34 is fastened and fixed with pins 35 and 36.

The cam block 37 is fixed to the chuck piston 31 and slidably supports the press piston 28, and is fixed to the tip of the press piston 28 to prevent the button 38 that presses the head of the electrical component 3 from rotating. Turning pin 3
9 is provided so as to engage with a groove 28' provided in the axial direction of the pressing piston. The shaping lever 34 uses the tensile force of the tension springs 42 and 43 to pull the roller 41 which is rotatably supported on the bin 40 which is mounted on the shaft! :9 cam block 37
cam surface 37a as it moves.

It is in contact with 37b and 37c. A bin 44 fixed to the shaping lever 34 supports chuck levers 45 and 46 so as to be swingable in the axial direction without any play.

The chuck levers 45, 46 are attached to protrusions 47', 48 of pins 47, 48 fixed to the chuck holder block 32.
' and chuck lever 45, 46 catch seat 45', 46
Due to the compression springs 49 and 50 provided between the seats 45' when the chuck lever is open.

46' rests on the cylindrical portion 51.52 of the pin 47.48, fixing the roller 53.54 to the pin 55.
It is rotatably supported by a shaft at 56. The cam block 37 has cam surfaces 37d and 37e that swing the chucks 45 and 46, and as the chuck piston 31 moves forward, the cam surfaces 37
d and 37e abut against rollers 53 and 54 and push up, and chuck levers 46 and 46 hold lead wires 2a and 2c.

The lead wire holding portion of the chuck lever 45, 46 has a V-shaped groove 4EI whose bottom is set to be on the same line as the bottom of the U-shaped groove 34' of the shaping lever 34 where the lead wire 2b comes into contact.
', 4cl, and flat portions 57 and 58 for holding the lead wires 2a and 2c are located at positions corresponding to the flat portions 66° and 66 of the shaping lever 34. Figure 12 shows Bahtka cent 1
8. Cutter 19. FIG. 2 is a perspective view showing the main parts of the insertion head 21° chuck unit 20, showing a state in which the electrical component 3 is being held. 59 is the insertion head main body 60
This cam is fixed to a camshaft that is pivotally supported by the lever 62 and gives vertical movement to the insertion shaft 26, and its transmission path passes through a cam follower that is pivotally supported by the lever 62 and connects the pin 6 to the tip of the lever 62.
A roller 64 rotatably supported by a roller 64 is rotatably connected to a groove 66' of a block 66 fixed to an insertion shaft z6, and is driven. 66 is a cam that is fixed to a camshaft that is pivotally supported on the insertion head main body and provides 90' rotation of the insertion shaft, and its transmission path is pivotably supported on a bin 67 that is fixed on the insertion head main body 60. The link ball 69. Connected Rondo 0. The insertion axis Z given by the slider 71
6 is swingably engaged by a link mechanism (not shown). The pusher 72 is fixed to a lever 73 and can be moved up and down by a cylinder (not shown).

Reference numeral 74 is a feed lever for feeding the electrical components 3 of the band-shaped component assembly 7 onto the A-A line, and is swingably attached to the parts cassette 18. Reference numeral 75 is a cutter blade for cutting the tape 4.5 of the band-shaped parts assembly, and is fixed to a slider 76. 77 is a cutter blade for cutting the lead wire of the electrical component 3, and is fixed to the slider 78. Note that there is a receiving blade (not shown) at a relative position on the opposite side of the cutter blades 75 and 77 and is fixed to the slider 79.

Next, the operation of inserting the electrical component 3 into the printed circuit board 22 will be explained. At the start position, the chuck unit 20 is rotated 90' downward from the line A--A in FIG. 12 and remains stationary in the state shown in FIGS. 5 and 6. In response to an insertion command from the drive control section 24, the feed cylinder (not shown) pushes down the feed lever 72 of the parts cassette 18, thereby pushing down the feed lever 74 of the parts cassette 18. At the same time, the electrical components 3 of the band-shaped component assembly 7 are supplied to the position on the incoming line. Next, the chuck unit 20 enters the delivery operation of the electrical component 3. The insertion shaft 2.6 is pushed upward, and the chuck unit 20 is rotated 90' in the direction C around the fulcrum of the chuck body hole 27 by a rank pinion (not shown). . At the same time, air is supplied from the air pressure feeding lobe of the insertion chuck body 25, and the chuck piston 31 moves forward. First, the roller 41 follows along the cam surface 37b of the cam block 37, and when the standard surface 80.81 of the shaping lever 34 reaches the lead wires 2a, 2c, the roller 41 follows the cam surface 37b of the cam block 37.
reaches and the oscillation ends. When the chuck piston 31 further moves forward, the cam surfaces 37d, 37 of the cam block 37
A roller 53 pivotally supported by a chuck lever 46°46 is shown at e.
．． 64 are in contact with each other, and the lead wires 2a and 2c are connected to the first
As shown in FIGS. 0 and 11, it is held by a shaping lever 34 and a chuck lever 46°46. Next, cutter blade 7
The tapes 4 and 5 are cut by the cutter blade 77, and the lead wires 2a and 2c are cut by the cutter blade 77. At this time, the chuck unit 20 is in the state shown in FIGS. 7, 8, and 9. Next, air is pumped from the drive cylinder of the suppression piston 28, and the pusher 38 attached to the tip of the suppression piston 28 moves forward until it comes into contact with the head of the electrical component 30. The electric component 3 is held by the chuck levers 45 and 46, and the transfer operation of the electric component 3 is completed. Next, in this state, the chuck unit 20 rotates 90' in the D direction as the insertion shaft 26 descends, and begins the operation of inserting the electrical component 3. Further descend in the Z direction,
The shaping lever 34 is lowered at 1 where it contacts the printed circuit board 22. At this time, the hole position into which the printed circuit board 22 is to be inserted is determined by the board moving section 23. Further, the pusher 38 and cutter blades 75, 77 have been restored to their original positions. When the shaping lever 34 comes into contact with the printed circuit board 22, air is forced into the air feeding port of the chuck body 26, the chuck piston 31 rises, and as the cam block 37 rises, the lead wires 2a, 2
When the holding chuck levers 45 and 46 of c are released and the shaping lever 34 is also released, the suppression piston 28 moves forward and the lead wire 2a of the electrical component 3 is released.

2C is inserted into the insertion hole of the printed circuit board 22.

When the insertion is completed, the insertion shaft 2 rises, and at the same time, air is forced into the pressing piston 2B from the suppression cylinder 〇, and the pressing piston 2B is restored to its starting position.

The above is one cycle of operation for inserting the electrical component 3 into the printed circuit board.

Effects of the Invention As described above, the present invention includes a guide claw that regulates the insertion direction and insertion pitch, a pair of chuck claws that move parallel to the guide claw and holds the lead wire, and a swinging motion of the guide claws and chuck claws. a drive means for pressing the electric component, a pusher for pressing the electric component, and the guide pawl.

It is a unit that houses the chuck jaws, driving means, and pusher, and is configured so that it can rotate at right angles to the insertion direction.
Components can be taken out directly from the component supply section and inserted into the printed circuit board without re-gripping, making it possible to improve the reliability of component supply at a lower cost than the re-gripping method.

[Brief explanation of the drawing]

Figure 1 A, C and 2 are respectively perspective views of the parts to be inserted into the device of the present invention, Figure 2 is a plan view showing a part of the band-shaped parts assembly, and Figure 3 is the main body showing a conventional example. 4 is a perspective view of the entire machine of an embodiment of the present invention, FIG. 5 is a front sectional view showing the chuck when it is opened, FIG. 6 is a side view of the same partial cross section, and FIG. 7 is the chuck. FIG. 8 is a right sectional view of FIG. 7, FIG. 9 is a left sectional view of FIG. 7, and FIG.
Figure 0 is an enlarged cross-sectional view of Figure 9, B-B, and Figure 11 is Figure 7C.
-C cross-sectional enlarged view and FIG. 12 are perspective views of the same essential parts. 34... Shaping lever, 46... Chuck lever, 76... Cutter blade. Name of agent: Patent attorney Toshio Nakao and one other person Figure 2 Figure 481 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10sl

Claims (1)

[Claims] In a chuck unit that holds the lead wires of electrical components that have lead wires in the same direction and inserts them into a printed circuit board, one guide claw and guide claw that regulate the insertion direction and insertion pitch of the electrical component lead wires are used. A pair of chuck jaws are located on both sides with a certain gap and are attached to the rotating shaft of the guide jaw at right angles to the insertion direction so that they can move in parallel, and the guide jaws swing and the chuck jaws swing. a drive means for causing the movement; a pusher that contacts the head of the electric component and is slidable in the insertion direction; and the guide claw;
An electrical component insertion chuck unit that houses the chuck jaws, driving means, and pusher and can rotate at right angles to the insertion direction.