JPH0310713Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention is a device that sequentially receives electronic components that individually slide out of a magazine when mounting irregularly shaped electronic components such as IFT, DiPIC, and semi-fixed resistors on a board with an insertion head. The present invention relates to a feeding mechanism for electronic components that are then transferred to an insertion head.

Conventional technology Conventionally, when automatically inserting odd-shaped electronic components such as IFT, DiPIC, and semi-fixed resistors into printed circuit boards, etc., a plurality of odd-shaped electronic components are arranged and housed in a magazine, and the magazine is While moving to the electronic component insertion position on the printed circuit board using the XY table,
A feeding process is used in which an insertion head that moves to the same position receives electronic components that have fallen from an obliquely arranged magazine and inserts them into a printed circuit board.

Problems that the invention aims to solve However, this supply process does not pose as much of a problem when applied to inserting a single odd-shaped electronic component from one magazine, but it is not as much of a problem when applying the supply process to inserting a single odd-shaped electronic component from one magazine. When applied to automatic mounting in which each magazine is inserted into a single printed circuit board, the XY
This is not preferable because it makes the table mechanically extremely complex.

Means for solving the problems In the electronic component supply mechanism according to the present invention,
The electronic parts supply position of each magazine is taken out and transferred to the insertion head, which is moved to the desired position using an XY table with the magazine side fixed, and the electronic parts are individually slid down from the diagonally installed magazines and locked with a stopper. a clamp for receiving and holding an electronic component, the clamp being mounted on a support frame tilted at an oblique angle corresponding to the inclination angle of the magazine, and a cam plate being engaged with the support frame via a cam follower; A front and rear drive cylinder is connected to this cam plate, and the cam plate is held in a support frame attached to the support frame so that it can be guided by a guide bar in the same direction as the drive cylinder, and when the drive cylinder extends its stroke, the cam plate is moved together with the support frame. By moving forward, the support frame is horizontally displaced by the cam follower, so that the electronic component held by the clamp can be fed to the insertion head.

Function In the electronic component supply mechanism configured in this way,
For example, even if electronic components are individually slid down from a magazine tilted at a 45° angle and received and held by a clamp, the support frame of the clamp rotates horizontally as it moves forward along the cam groove of the cam plate. Because it moves, it is now possible to transfer electronic components horizontally to the guide arm of the insertion head.By installing this mechanism in accordance with the installation position of each magazine, it is possible to move the insertion head side without moving the magazine. This allows each electronic component to be received and inserted into the required location on the board.

Embodiments The following description will be made with reference to the accompanying drawings.

This electronic component supply device is installed opposite to the installation position of the stacker 10 in which a plurality of electronic component storage magazines are stacked and inserted. Stadka 10 is abbreviated.
It is arranged diagonally at an angle of 45 degrees, and a shooter 11 that slides down electronic components from a magazine in the stacker 10 by its own weight is attached to its lower end position. A stopper 12 is provided at the lower end of the shutter 11 to stop the electronic components that slide down individually, and a shutter 12 that stops the electronic components that slide down onto the shooter 11 so as to feed the electronic components individually to the supply device. 13
and component detectors 14a, 14b are attached.

Clamps consisting of a catch jaw 20a and a presser arm 20b are provided on the upper and lower sides corresponding to the mounting position of the shooter 11. This clamp is configured to be able to receive, clamp, or release electronic components by moving a presser arm 20b up and down with a drive cylinder 21, and moves the receiving jaw 20a and presser arm 20b from the support plate 22 to the side where the shooter 11 is located. It is attached by protruding. The support plate 22 is a torsion coil spring (not shown).
The receiving jaw 20a and presser arm 20b of the clamp are deviated so as to maintain an angle parallel to the shutter 11, and are connected to a cam plate 24 via a cam follower 23 pivotally supported on the side surface of the plate. The cam plate 24 has a downwardly sloped cam groove 24 that is inclined in the opposite direction to the oblique deflection direction of the support plate 22.
a is formed on the side surface of the plate, and the cam follower 23 of the support frame 22 is engaged with the cam groove 24a. Further, the cam plate 24 is pivotally supported by the rod tip of a longitudinal drive cylinder 25, and when the cylinder 25 is actuated, the cam plate 24 is moved a desired distance against a tension spring 27 tensioned between the cam plate 24 and an appropriate part of the fuselage 26. It is fitted and supported by the support frame 28 so as to slide. The support frame 28 moves in strokes back and forth together with the cam plate 24 by the operation of the drive cylinder 25, and a guide bar 29 that guides the movement is attached to the bracket portion 28 integrally molded with the support frame 28.
It is fitted and fixed to a. The guide bar 29 is fitted into and supported by a slide housing 30 mounted on the body 26, and stop rings 31 and 32 are attached near the front and rear ends of the shaft to abut against the slide housing jib 30 and restrict the position of forward and backward movement.

The electronic component supply mechanism A configured as described above is attached to a plurality of stackers B arranged in parallel in accordance with each equipment position, and is driven alternately to the guide arm of the insertion head C. It can be incorporated into an automatic electronic component mounting device that supplies electronic components. In this automatic mounting device, an insertion head C is mounted on an XY table D, and when the insertion head C moves to the electronic component take-out position of each supply mechanism A and receives the electronic component, it is positioned on the lower conveyor E. It operates to insert electronic components into predetermined locations on a printed circuit board. When the insertion head C inserts an electronic component into the printed circuit board, the clinch device F moves to a corresponding position and waits. After cutting the terminal pins of the electronic component to a predetermined length, the remaining terminal pins are removed from the back of the printed circuit board. It is also designed to be bent and formed along the First, when an electronic component slides onto the shooter 11 from a magazine stored in the stacker 10 at a predetermined position among the multiple stackers B and the stopper 12 is locked, the drive cylinder 21 is actuated to position it on the shooter 11. The receiving jaw 20a and presser arm 20b of the clamp are operated so as to clamp the electronic component. At the same time, the longitudinal cylinder 25 is operated to extend its stroke, and the clamps 20a and 20b are moved forward toward the insertion head C waiting in front, but at the beginning of this forward movement, the cam plate 24 resists the tension spring 27. The support plate 22 is then gradually slid forward within the support frame 28, and rotated horizontally from the inclined position while gently moving the support plate 22 downward along the cam groove 24a. Jaw 20a, presser arm 2
You can now grab it with 0b and pull it out. With this operation, the stopper 12 is deflected downward and removed from the electronic component, and the shutter 13 moves downward to prevent the next electronic component from sliding into the shutter 11.
When the clamp jaw 20a and presser arm 20b pull out the electronic component from the computer 11, the support frame 22 becomes approximately horizontal inside the support frame 28, and the cam plate 24 moves forward within the slide tolerance of the support frame 28. Complete the movement to the position. When the cam plate 24 completes its forward movement within the support frame 28, the support frame 28 moves forward together with the cam plate 24, and the insertion head C is held while the electronic component is held in a horizontal state by the clamp receiving jaw 20a and the holding arm 20b. Moves forward in the forward direction of waiting. When the insertion head C moves to the standby position, the stopper 32 of the guide bar 29
comes into contact with the slide housing 30 and stops, and the electronic component is delivered to the guide arm of the insertion head C which is in the opening operation at that position. When transferring, the drive cylinder 21 is operated to open and open the receiving jaw 20a and the presser arm 20b, thereby releasing the clamp, inserting it into the guide arm of the insertion head C, and transferring it. .

It should be noted that the insertion head C may be one provided with a pair of left and right guide arms 41 and 42 that sandwich the electronic component between its lower ends. The guide arms 41 and 42 have lower arm parts 41a and 42a that are shaped like spatulas suitable for holding electronic components, and an upper arm part 41b to which the lower arms 41a and 42a are screwed and attached using bolts 43 and 44. , 42b. Each upper arm portion 41b, 42b has a fulcrum pin 4
The lower arm parts 41a and 4 are pivoted to the support frame 47 at 5 and 46, and the lower arm parts 41a and 4 are
It is attached to open and close the lower end side of 2a.
Further, cylinder rods 48a and 49a are brought into contact with the upper arm portions 41b and 42b, and the support frame 47
Driving cylinders 48 and 49 mounted on the respective parts are connected to each other. These drive cylinders 48 and 49 operate to close the lower end sides of the insertion guide arms 41 and 42, and because they only clamp the electronic components in their closing, they are small cylinders with relatively small strokes. is incorporated. Further, a push rod 50 is provided within the opposing interval between the guide arms 41 and 42.
is equipped so that it can be moved up and down. The push rod 5
0 is mounted on the main body side of the insertion head C to which the insertion guide arms 41 and 42 are mounted via a support frame 47. The insertion head C is constituted by a double cylinder mechanism, and the guide arms 41 and 42 are attached via a coupling ring 51 to which a support frame 47 is screwed and attached with bolts (not shown). The push rod 50 is connected to an elevating rod 53 which is lowered by supplying air pressure to an air passage 52, and is also mounted so as to be movable upward by a compression spring 54 fitted and disposed on the axis. The insertion head C has a cylinder 55 with a built-in push rod 50, and is configured so that the guide arms 41 and 42 can be moved up and down when inserting electronic components, independently of the up and down movement of the push rod 50. A pulley 56 is connected via a pulse motor (not shown) and a belt, and the guide arm 4
The inserting direction of the electronic component held by numerals 1 and 42 can be changed as necessary.

Immediately after the electronic component is transferred to the insertion head C, the drive cylinder 25 strokes backward until the stopper 31 comes into contact with the slide housing 30. After retreating, the cam plate 24 is moved back within the support frame 28 by the tension spring 27, and the stopper 33 comes into contact with an appropriate location on the machine frame 26 and stops. Along with this retreating movement, the shutter 13 moves upward and slides the next electronic component onto the shutter 11.
The system waits until a command to operate the drive cylinder 25 is received again.

Effects of the invention As described above, according to the electronic component supply mechanism according to the present invention, electronic components that individually slide down from the magazine can be received and transferred to the insertion head by changing from the oblique position to the horizontal position. Even if a plurality of electronic components of different types are arranged and mounted simply by moving the position on the head side, electronic components can be inserted and supplied efficiently.

[Brief explanation of the drawing]

Fig. 1 is a side view showing the electronic component supply mechanism according to the present invention, Fig. 2 is a partially cutaway plan view of the same mechanism, Fig. 3 is a partially cutaway plan view of the same mechanism, and Fig. 4 is a front view of the same mechanism. ,
Fig. 5 is an overall perspective view showing an example of an automatic mounting device incorporating the same mechanism, Fig. 6 is a partially cutaway front view showing the guide arm of the insertion head of the same device, and Fig. 7 is a view of the insertion head of the same device. It is a side sectional view showing a main part. 10: Magazine storage stacker, 12: Stopper, 20a, 20b: Clamp, 22: Support frame, 23: Cam follower, 24: Cam plate, 25: Fore-and-aft cylinder, 28: Support frame, 29:
Guide bar, C: insertion head.

Claims (1)

[Scope of utility model registration request] A clamp is provided for receiving and holding electronic components that individually slide down from an obliquely installed magazine and are locked by a stopper, and the clamp is attached to a support frame that is offset at an oblique angle in accordance with the inclination angle of the magazine. In addition, a cam plate is engaged with the support frame via a cam follower, a longitudinal drive cylinder is connected to this cam plate, and the cam plate is attached to a support frame that is mounted so as to be movable and guided in the same direction as the drive cylinder by a guide bar. Holds slidably
By extending the drive cylinder stroke and moving the cam plate forward together with the support frame, the support frame is displaced horizontally by the cam follower, and the electronic component supported by the clamp can be supplied to the insertion head. Supply mechanism for electronic components.