JP2580710B2 - Parts supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention mainly relates to an electronic component having a lead wire protruding from a component body, such as a fixed resistor or a diode (this is referred to as a lead component). The present invention relates to a component supply device for supplying a component.

[Prior Art] Conventionally, a printed circuit board on which various electronic components such as an IC, a fixed resistor, a capacitor, etc. are mounted is, as a final step, an adjustment resistor (a kind of a type) for adjusting the operation characteristics of the printed circuit board. Are fixed by mounting a fixed resistor (not shown). Such adjustment resistors are manually mounted one by one based on a resistance value measured by performing a characteristic test on each printed circuit board.

However, at present, such an adjustment resistor is manually taken out by a worker from a storage box called a resistance box which stores various resistors having different resistance values. Also, generally, the adjustment box is casually housed in the resistance box.

[Problems to be Solved by the Invention] When the adjusting resistors are taken out of the above-mentioned resistor box, the adjusting resistors are entangled with each other, making it difficult to take out the adjusting resistors. The lead wire of the resistor may be bent. In addition, since the operator must select a resistor box in which a desired adjustment resistor is housed from several resistor boxes, it is expected that the operator will mistake the selection and make a mistake. These problems cause deterioration of product quality.

An object of the present invention is to solve the above-mentioned problems in the conventional technology.

Means for Solving the Problems In order to solve the above-described problems, the present invention vertically separates an index device installed on a machine frame and components such as fixed resistors arranged on an index table of the index device. A component magazine accommodated in a state aligned in the direction, a component ejection device provided on the machine frame side and configured to eject components of the component magazine placed at the ejection position by the index device, and a component ejected by the component ejection device And a guide chute for guiding the component to the component take-out section, wherein the component magazine holds a discharge member slidable in a direction orthogonal to the component alignment direction at a predetermined position by elasticity of a spring. The receiving member is formed at the predetermined position with an accommodation hole for accommodating a part for one take-out in a vertically penetrating manner. When the ejection member is slid by the operation of the component ejection device, the component is ejected from the accommodation hole. [Operation] According to the above-described means, the required components are operated by the operation of the index device. The accommodated component magazine is moved to the discharge position. Next, when the discharging member of the component magazine is slid by the operation of the component discharging device, the component is discharged from the receiving hole to the guide chute, and then supplied to the component extracting section.

In addition, the discharge member returns to a predetermined position by the elasticity of the spring, so that a component to be taken out next time is stored in the storage hole.

[Effects of the Invention] According to the present invention, a necessary component is supplied to a component extraction unit, so that an operator can easily extract a component from the component extraction unit, and bend a lead wire of the component. The breakage of components and mistakes in removing parts are eliminated.

Further, since a required amount of components can be taken out by one sliding operation of the discharge member provided in the component magazine, a mechanism relating to component taking out is simple. To explain this point in detail, for example, the component supply device disclosed in Japanese Utility Model Laid-Open No. 60-157721 includes a sliding member as a stopper for a component to be taken out, and a sliding member as a stopper for a component to be taken out next time. Since the components are taken out according to the sliding operation of the sliding members, a mechanism relating to the sliding operation of each sliding member is required individually, and the mechanism is inevitably complicated. In contrast, the mechanism of the present invention is simple because only a mechanism related to the sliding operation of one discharge member is required.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In this example, a description will be given of a device that supplies the fixed resistor for the adjustment resistor described above.

The first part shown in the left side view with the part supply device partially broken away.
In FIG. 2 and FIG. 2 showing the same plan view, the component supply devices are roughly classified into an index device 2 installed in the machine frame 1 and an index table 3 of the index device 2.
A component magazine 4 disposed thereon and a component discharging device 6 for discharging the fixed resistor 5 housed in the component magazine 4
And a guide chute 7 for guiding the fixed resistor 5 to the component extracting section 8.

First, the index device 2 will be described in detail. Machine frame 1
A support tube 11 is installed on a top plate 10 of the vehicle.
Are rotatably supported.

A disk-shaped index table 3 is attached to the upper end of a rotating shaft 12 protruding above the support cylinder 11 with the same axis.
A rotating shaft 12 projecting downward through the top plate 10 of the machine frame 1.
A drive gear 13 is attached to the lower end of the drive gear.

A drive motor 14 composed of a stepping motor is installed on the top plate 10 of the machine frame 1 adjacent to the support cylinder 11. An output shaft 15 of the drive motor 14 protrudes downward through the top plate 10, and an output gear 16 that meshes with the drive gear 13 is attached to a tip end thereof.

Therefore, the index table 3 is rotated by a predetermined angle through the output gear 16, the drive gear 13, and the rotating shaft 12 by the drive of the drive motor 14. A rotation angle of the rotary shaft 12 is detected by an encoder 18 provided on a lower surface of the top plate 10 of the machine frame 1 via a bracket 17, and a control circuit (not shown) receiving a detection signal from the encoder 18 As a result, the rotation direction and the rotation angle of the drive motor 14 are controlled, so that the position of the index table 3 is determined.

Next, the component magazine 4 will be described in detail. A plurality of component magazines 4 are arranged on the outer peripheral portion of the index table 3 at predetermined angular intervals (for example, 36 at an interval of 10 °).

As shown in FIGS. 3 to 5, the component magazine 4 has a magazine case 21 mounted on a magazine base 20 in an upright manner.

The magazine case 21 has a component storage groove 22 in the vertical direction, and the fixed resistor 5 is inserted in the component storage groove 22 in the horizontal direction.
That is, the index table 3 is accommodated in a state of being stacked in a row and arranged in a direction perpendicular to the radial direction of the index table 3. Each component magazine 4 accommodates various fixed resistors 5 having different resistance values. The component magazine 4 accommodating the required fixed resistor 5 is placed in a front position, that is, a discharge position (right end position in FIGS. 1 and 2) by rotation of the index table 3.

Between the bottom surface of the magazine case 21 and the surface of the magazine base 20 facing the bottom surface, there is provided an opening 23 having a gap of approximately one fixed resistor 5.

A guide rod 24 is provided on the magazine base 20 so as to be axially movable by a predetermined amount in the radial direction of the index table 3 below the opening 23. Guide rod 24
Is always urged by the spring 25 toward the center of the index table 3 (to the left in FIG. 3).

One end of a discharge member 26 is attached to the distal end (the left end in FIG. 3) of the guide rod 24. The other end of the discharge member 26 is interposed in the opening 23. Thus, the discharge member 26 is provided in the component magazine 4 so as to be slidable in a direction orthogonal to the component arrangement direction and held at a predetermined position by the elasticity of the spring 25. An accommodation hole 27 for accommodating the fixed resistor 5 at the lowermost position at the predetermined position is formed in the distal end portion of the discharge member 26 in a vertically penetrating manner. Therefore, the discharging member 26 is moved to the position shown by the two-dot chain line in FIGS.
By being pushed against the elasticity of 25, the fixed resistor 5 in the accommodation hole 27 is pushed outward from the opening 23 of the magazine case 21 and discharged by dropping. Subsequently, the discharging member
When there is no pressing force on the 26, the ejection member 26 is returned to the original predetermined position (this position is referred to as a component accommodating position) by the elasticity of the spring 25, and at the same time, the end of the row of the fixed resistors 5 in the magazine case 21. The fixed resistor 5 at the lower position is housed by its own weight in the housing hole 27 of the discharge member 26 by dropping.

Further, the component magazine 4 can be detachably attached to the index table 3 with one touch as follows.
The exchange can be done easily. As shown in FIGS. 3, 4 and 6, the index table 3 includes a positioning pin.
28 and the lock pin 29 are screwed. Further, the magazine base 20 has a forked portion 30 on the back side thereof which can be engaged with the positioning pin 28, and a concave groove on the bottom surface of which a lock pin 29 can be engaged.
31 are respectively formed.

A lock groove 32 having a V-shaped cross section is formed in an annular shape on the outer periphery of the upper end of the lock pin 29, and a ball plunger 33 that can be engaged with and disengaged from the lock pin 29 is assembled in the magazine base 20 in an opposed manner. The ball plunger 33 includes a plug screw 34 attached to the magazine base 20, a spring 35 attached to the plug screw 34, and a lock attached to the tip of the spring 35 and engaged with the lock groove 32 by the urging force of the spring 35. It comprises a ball 36 and a lock screw 37 attached to the magazine base 20 and fixing the plug screw 34.

For this reason, at the time of replacement of the old and new parts magazine 4, the mounted magazine base 20 is shifted outward from the index table 3 to disengage the lock ball 36 from the lock groove 32 of the lock pin 29. The old part magazine 4 is removed from the index table 3 by pulling out the forked part 30 from the positioning pin 28 so that the new part magazine 4 is removed. Is done.

Next, the component discharging device 6 will be described in detail. 1 and 2, a gate-shaped support frame 40 that surrounds the index table 3 and the component magazine 4 is mounted on a top plate 10 of the machine frame 1. At the center of the upper plate 41 of the support frame 40, a suspending plate 42 which is parallel to the left and right is hung, and a pedestal is provided between the lower ends of the suspending plates 42.
43 is erected.

On the pedestal 43, a discharge actuator 44 composed of an electromagnetic solenoid is installed. The ejection actuator 44 is
It is located behind the component magazine 4 at the discharge position.

As shown in FIGS. 7 and 8, the operating rod 45 of the discharging actuator 44 is directed rearward (to the left in the drawing), and the upper end of the connecting rod 46 is connected to the tip of the operating rod 45 by a pin 47. .

The base end of the discharge rod 48 is attached to the lower end of the connecting rod 46. The discharge rod 48 projects forward through the insertion hole 49 of the pedestal 43, and is always urged rearward by the elasticity of the spring 50.

When the discharge actuator 44 is energized, as shown by a two-dot chain line in FIG. 8, as the operating rod 45 is pulled in against a built-in spring (not shown), it is connected via a connecting rod 46. The discharge rod 48 is slid forward against the elasticity of the spring 50. If the power is not supplied, the elasticity of the spring 50 causes the discharge rod 48 to return to the rear, and the operating rod 45 to move the spring 50
And it is held in a protruded state by the elasticity of the built-in spring.

The tip of the discharge rod 48 is directed toward the back of the discharge member 26 of the component magazine 4 at the discharge position. That is, the rotation of the index table 3 always faces the back surface of the discharge member 26 of the component magazine 4 located at the discharge position. The discharging actuator 44 is connected to a discharging rod 48
Has a stroke capable of pushing the discharging member 26 to discharge the fixed resistor 5.

Next, the guide chute 7 will be described in detail. In FIGS. 1 and 2, a support table 52 and a fixing table 53 in front of the support table 52 are installed on the top plate 10 of the machine frame 1 in front of the component magazine 4 at the discharge position. The support base 52 has an inclined plate 54 on the upper surface, which lowers the front.

A first movable chute member 55 and a second movable chute member 56 are respectively disposed on the inclined plate 54 of the support base 52, and a fixed chute member 57 is disposed on the fixed base 53. Both movable chute members 55 and 56 and fixed chute member 57
The upper end of the first movable chute member 55 is directed to the component magazine 4 at the discharge position and is continuous with the index table 3.

As shown in FIG. 9, the fixed chute member 57 has a section V
Three guide grooves 58a, 58b, which are shaped like and parallel to each other
Has 58c.

Further, the first movable chute member 55 is provided in the parts magazine 4.
A gutter-shaped direction change portion 60 whose side end is formed slightly larger than the length of the fixed resistor 5 and whose other end is formed slightly larger than the outer diameter of the fixed resistor 5; And a continuous tube portion 61. Accordingly, the fixed resistor 5 from the component magazine 4 slides while being turned in the direction of the axial direction in the direction changing portion 60 along the front-rear direction of the device, and slides down to the tube portion 61.

The second movable chute member 56 has three guide grooves 62a, 62b, 62c having a V-shaped cross section. The center guide groove 62b and the right guide groove 62c are parallel, but the left guide groove 62a
Has its lower end shifted to the left by one groove width.

The first movable chute member 55 and the second movable chute member 56 are each moved by a position switching device 64 described below.
Switched to position. In FIG. 10, on the right end of the inclined plate 54, a switching actuator 65 made of an electromagnetic solenoid is installed.

The operating rod 66 of the switching actuator 65 is directed leftward, and the right end of the movable frame 67 is
Connected at 68.

A slide rod 72 is provided at the lower end between the side plates 69 of the movable frame 67. The slide rod 72 is connected to the inclined plate 54.
It is slidably inserted into the insertion hole 71 of the upper fixed block 70.

The slide rod 72 is always urged leftward by the elasticity of the spring 73 together with the movable frame 67.

When the switching actuator 65 is energized, the movable frame 66 is retracted against a built-in spring (not shown) as shown by a two-dot chain line in FIG.
67 is slid to the right against the elasticity of the spring 73,
If the current is not supplied, the movable frame 67
The operation rod 66 is returned to the left by the elasticity of the spring 73 and the built-in spring, and is held in a protruding state by the elasticity of the spring 73 and the built-in spring.

On the movable frame 67 of each position switching device 64, the movable chute members 55 and 56 are respectively installed. The switching actuator 65 has a stroke capable of moving the groove width of one guide groove of the second movable chute member 56.

Accordingly, in the state shown in FIG. 9, that is, when the switching actuator 65 of the two-position switching device 64 is not energized, the first
The fixed resistor 5 from the movable chute member 55 is supplied from the central guide groove 62b of the second movable chute member 56 to the central guide groove 58b of the fixed chute member 57. In this state, when the switching actuator 65 of the position switching device 64 on the first movable chute member 55 side is energized, the fixed resistor 5 from the first movable chute member 55 causes the second movable chute member 56 From the right guide groove 62c to the right guide groove 58c of the fixed chute member 57. When the switching actuator 65 of the position switching device 64 on the second movable chute member 56 side is energized from the state shown in FIG. 9, the fixed resistor 5 from the first movable chute member 55 Is supplied from the left guide groove 62a of the movable chute member 56 to the left guide groove 58a of the fixed chute member 57. In this way, by switching the movement of the two movable chute members 55 and 56 by the two-position switching device 64, the fixed resistor 5 is distributed and guided to each of the guide grooves 58a to 58c of the fixed chute member 57.

Next, the component extracting unit 8 will be described in detail. 1 and 2, a rotating shaft 76 is rotatably supported in a support cylinder 75 provided at the front end of the top plate 10 of the machine frame 1. A rotating plate 77 on a disk is attached to the upper end of the rotating shaft 76 with the same axis.

As shown in FIGS. 11 and 12, a pair of component receiving bases 78 are symmetrically arranged on the rotating plate 77. The component receiving base 78 can be continuous with the guide grooves 58a to 58c of the fixed chute member 57.
A strip receiving groove 79 is provided. Therefore, the fixed resistor 5 from the fixed chute member 57 is received in a state of being placed on the receiving groove 79. The stopper 80 is provided at the lower end of the groove bottom of the receiving groove 79.
Are formed, and the fixed resistor 5 is
By receiving the component main body 5a, the lead wire 5b coming below is released, and even with the fixed resistor 5 of a different type, the component main body 5a can be received at a substantially fixed position. In addition,
The position of the component receiving table 78 on the side continuous with the fixed chute member 57 is called the component receiving position, and the position on the opposite side (front side) is called the component extracting position.

As shown in FIG. 1, an output shaft 83 of a reversing motor 82 composed of a stepping motor is connected to a lower end of the rotating shaft 76 projecting from the lower surface of the support cylinder 78. The reversing motor 82 is
It is attached to a bracket 84 attached to the lower surface of the top plate 10 of the machine frame 1. The rotation direction of the reversing motor 82 is switched every 180 degrees.

Accordingly, the rotating plate 77 is driven by the reversing motor 82,
It is rotated in the opposite direction every 180 °, and the component receiving table 78 is alternately transformed into a component receiving position and a component extracting position. In addition,
The reversing position of the rotating plate 77 is a well-known position sensor (not shown).
And is positioned by well-known positioning means (not shown) for positioning at a predetermined position.

In the component supply device described above, the desired fixed resistor 5
The index table 3 is rotated by a predetermined angle by actuating the drive motor 14 of the index device 2 based on a control signal for supplying the control signal or an instruction such as a switch operation. Is moved to the discharge position.

When the discharging actuator 44 of the component discharging device 6 is energized, the discharging rod 48 is moved outward against the elasticity of the spring 50, and the discharging member 26 of the component magazine 4 resists the elasticity of the spring 25. As a result, one fixed resistor 5 is ejected forward from the opening 23 of the magazine 4 and is guided by the first movable chute member 55, the second movable chute member 56, and the fixed chute member 57. Then, it is supplied onto the receiving groove 79 of the component receiving table 78 of the component extracting section 8. Further, the rotating plate 77 is reversed by the operation of the reversing motor 82, so that the component receiving table 78 receiving the fixed resistor 5 is moved to the removal position.

This fixed resistor 5 is taken out directly by a worker's hand or indirectly using a take-out tool.

After the discharge of the components, when the discharge actuator 44 of the component discharge device 6 is turned off, the discharge rod 48 is returned by the elasticity of the spring 50 and the discharge member 26 of the component magazine 4 is moved by the elasticity of the spring 25. Return to the original.

When two or three fixed resistors 5 are supplied, each time the fixed resistor 5 is discharged, the switching actuator 65 of each position switching device 64 of the guide chute 7 is switched to operate. The components are distributed to the respective receiving grooves 79 of the component receiving table 78.

According to the component supply device described above, the necessary fixed resistor 5
Is supplied to the component take-out section 8 so that an operator can easily take out the fixed resistor 5 from the component take-out section 8 and bend the lead wire 5b of the fixed resistor 5 or remove the fixed resistor 5 from the fixed resistor 5. This is effective in stabilizing the quality of a product on which the fixed resistor 5 is mounted, by eliminating mistakes in taking.

Further, according to this example, since the fixed resistors 5 are distributed and supplied to the respective receiving grooves 79 of the component receiving table 78 by the guide chute 7, it is necessary to supply one to three fixed resistors 5. It is effective in some cases.

In addition, since the component receiving table 78 is inverted in the component extracting section 8, the fixed resistor 5 can be more easily extracted.

In addition, since the fixed resistor 5 is turned in the direction changing portion 60 of the first movable chute member 55 to supply the fixed resistor 5 to the component take-out portion 8 in a fixed direction, the component is taken out. Can be easily performed.

It should be noted that the component supply device of this example is the same as the fixed resistor 5 described above.
In addition, the present invention can be applied to supply of an electronic component having a lead wire coaxial with the component body, for example, an axial lead component such as a diode and a capacitor. Further, if the parts magazine 4 and the guide chute 7 are changed, the present invention can be applied to supply of electronic parts having a plurality of lead wires extending in the same direction from the part body, for example, radial lead parts such as transistors and capacitors. Is also possible.

Further, the guide chute 7 may have only one guide groove, and the component take-out portion 8 may be like a simple tray as long as it can receive the fixed resistor 5 at a predetermined position. Can be anything.

Further, the technical scope of the present invention is not limited to the above embodiment.

[Brief description of the drawings]

1 shows an embodiment of the present invention. FIG. 1 is a partially cutaway left side view of a component supply device, FIG. 2 is a plan view of the same, FIG. 3 is a side sectional view of a component magazine, FIG. FIG. 5 is a front view of the same, FIG. 5 is a plan view of FIG. 3, FIG. 6 is a partially cutaway plan view of the magazine stand, FIG. 7 is a plan view of the component discharger, and FIG. FIG. 9 is a plan view of the guide chute, FIG. 10 is a cross-sectional view of the position switching device, FIG. 11 is a plan view of the component take-out portion, and FIG. DESCRIPTION OF SYMBOLS 1 ... Machine frame 2 ... Index device 3 ... Index table 4 ... Parts magazine 5 ... Fixed resistor (lead part) 6 ... Parts discharge device 7 ... Guide chute 8 ... Parts take-out part

Claims (1)

(57) [Claims] 1. An index device installed in a machine frame, a component magazine arranged on an index table of the index device and containing components such as fixed resistors arranged in a longitudinal direction, and a magazine mounted on the machine frame side. A component supply device provided with a component ejection device for ejecting components of the component magazine provided at the ejection position by the index device, and a guide chute for guiding the components ejected by the component ejection device to a component extraction unit. A discharging member slidable in a direction perpendicular to the direction in which the components are arranged is provided in the component magazine in a state where the discharging member is held at a predetermined position by the elasticity of a spring. An accommodation hole for accommodating the component is formed in a vertically penetrating shape, and the discharge member is slid by operation of the component discharge device. Component supply apparatus has a structure in which components are discharged from the accommodation hole to come.