JPH0531827U - Parts feeder - Google Patents

Abstract

(57) [Abstract] [Purpose] To reduce the installation space of the feeder for parts such as electric circuit elements. A first supporting member is provided so that it can be displaced up and down by an elevating and lowering drive means, and the first supporting member has a first position for vertically supporting a tray containing components and a second position for releasing the support. And a second support member is provided at a fixed position, and the second support member has a third position for vertically supporting the tray and a fourth position for releasing the support. It is displaceable to the position and the parts are taken out from the uppermost tray and supplied, and when the parts in the uppermost tray become zero and empty, the uppermost tray is angularly displaced about the horizontal axis. Then, it is made to be vertical and discharged from the supporting region by the first and second supporting members. In this way, it is possible to displace the uppermost tray up and down to a predetermined position, and take out the components from the uppermost tray brought to the predetermined position and supply them, and the installation space is small. Can be converted.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a component supply device capable of extracting and supplying components such as electric circuit elements one by one, and more particularly, to a configuration associated with a tray storing the components.

[0002]

[Prior Art]

 FIG. 7 is a simplified cross-sectional view showing a typical prior art. The component supply device main body 1 is provided with a movable body 2 which can be moved up and down. A fixed support member 3 is fixed to the movable body 2 with a vertical interval, and the support member 3 stores components. The plurality of trays 4 held are locked. As shown in FIG. 7 (1), the lowermost tray 4a among the plurality of trays 4 is taken out to a carry-out position having a fixed fixed height shown by an imaginary line 5 and is placed at this position 5. Each one of the removed parts from the tray 4a is supplied. When the number of components in the lowermost tray 4a becomes zero, the moving body 2 is lowered, the second tray 4b from the bottom is taken out to the supply position 5, and the component supply is continued. Thus, finally, as shown in FIG. 7 (2), the uppermost tray 4c of the plurality of trays 4 is taken out to the discharge position 5 and then the tray 4c taken out to the discharge position 5 is removed. Parts are supplied.

[0003]

[Problems to be solved by the device]

 In such a prior art shown in FIG. 7, one of the trays 4 accommodated in the moving body 2 is once taken out in order to the ejection position for taking out parts indicated by reference numeral 5, Since the parts are supplied, there is a problem that the space L1 occupied by the device is large.

An object of the present invention is to provide a component supply device that requires a small installation space.

[0005]

[Means for Solving the Problems]

 The present invention is displaceable between a first position in which trays containing components are arranged vertically and is supported, and a second position in which the support is released, and a plurality of first positions are provided at intervals vertically. It is displaceable into a support member, a lift drive means for driving the first support member up and down, a third position for supporting the tray by vertically arranging it, and a fourth position for releasing the support, and it is vertically movable. A plurality of second supporting members provided at fixed positions at intervals, a component taking-out means for taking out and feeding the components from the uppermost tray, and angularly displacing the uppermost tray around the horizontal axis to provide first and It is a component supply device including a tray discharge means for discharging from a support region by the second support member.

[0006]

[Action]

 According to the present invention, the first supporting member driven up and down by the lifting drive means is displaceable so as to support the vertically arranged trays at the first position and not support the trays at the second position. A second support member is provided at the fixed position, and the second support member is displaceable between a third position for supporting the tray and a fourth position for releasing the support, and the uppermost tray is connected to the component. When the uppermost tray becomes empty, the uppermost tray is angularly displaced around the horizontal axis and is ejected from the tray supporting area by the first and second supporting members. Since it has been ejected by means, it is not necessary to eject one of the trays 4 horizontally in the ejection position indicated by reference numeral 5, as explained in connection with FIG. Small installation space Live as to become. Further, by using the first and second support members, the tray can be brought to the uppermost supply position by the second support member.

[0007]

【Example】

 1 is a sectional view showing a simplified operation of an embodiment of the present invention, FIG. 2 is a sectional view corresponding to FIG. 1, and FIG. 3 is a sectional view taken along a section line III-III in FIG. FIG. 4 is a sectional view, and FIG. 4 is a simplified exploded perspective view of the embodiment. Referring to these drawings, of the A1, A2, A3 (generally indicated by reference numeral A) in which parts such as electric circuit elements are housed, the uppermost tray A1 is predetermined. When brought to the tray storage area B, the components can be taken out one by one by the component taking-out means 7 provided with a chuck provided above the tray place B and can be supplied to the outside. After the parts are taken out from the uppermost tray A1 brought to the tray storage B and the uppermost tray A1 is emptied, the second tray A2 from the top is lifted up. Parts are supplied from the tray A2 which is brought to B and becomes the uppermost part thereof. The emptied tray A1 is angularly displaced as indicated by an arrow 9 in the vicinity of the horizontal axis 8 and is moved vertically from the support area 10 of the tray A, as will be described with reference to FIG. Is discharged. In FIG. 4, the tray A1 may be provided with a storage hole 42 for storing the components, and one component 43 may be stored in each of the storage holes.

The housing 11 of the component supply device is formed into a hollow quadrangular prism by combining a pair of parallel side plates 12 and an end plate 13 fixed to the side plates 12. A pair of moving bodies 14 is provided in the housing 11 so as to be able to move up and down along the side plate 12, and a first supporting member 15 is provided on the moving body 14 by a double-acting pneumatic cylinder 16 so as to horizontally project and retract. .. The first support member 15 is protruded by the cylinder 16 as shown in FIGS. 1 (1) to 1 (3) and 1 (7) to 1 (8) to support the tray A at a first position. And can be in the second position with the support released and in the retracted second position, which is shown in FIGS. 1 (4) to 1 (6). ..

A pair of vertically extending guide bars 18 are fixed to the moving body 14 by fixing pieces 19 and 20, and a guide cylinder 21 through which the guide bars 18 are inserted is an inner surface of the side plate 12 facing each other. Fixed to. In this way, the moving body 14 can be displaced up and down by being guided by the guide rod 18 inserted into the guide cylinder 21. A mounting piece 22 is fixed to the moving body 14, and the moving body 14, and thus the first support member 15 is driven up and down by a double-acting pneumatic cylinder 23.

A notch 24 is formed in the moving body 14, and the notch 24 is provided with a means 26 a for driving the second support member 25. The driving means 26a includes upper and lower connecting pieces 27, 28, a pair of guide rods 29 having upper and lower ends fixed to the connecting pieces 27, 28, and a guide rod 30 fixed to the upper connecting piece 27. And a drive piece 31 to which the lower end of the guide rod 30 is fixed. As shown in FIG. 5, the racks 32 are fixed to the guide rods 29 so as to correspond to the respective second support members 25. The rack 32 meshes with the pinion 26 fixed to the second support member 25. The guide rod 30 can be displaced up and down along a guide cylinder 33 fixed to the inner surfaces of the pair of side plates 12 of the housing 11 which face each other. The double-acting pneumatic cylinder 34 vertically displaces the driving piece 31, that is, the guide rod 29 and the rack 32, so that the second support member 25 moves as shown in FIGS. 1 (3) to 1 (8). It is the third position for supporting the tray A, and the rack 32 is displaced upward, and the second support member 25 releases the support of the tray A and is in the fourth position where it is angularly displaced as indicated by the arrow 35. The second support member 25 does not move vertically relative to the side plate 12 of the housing 11, and is provided at a fixed position.

In the tray discharging means 49 for discharging the uppermost tray A1 from the supporting area 10 by the first and second supporting members 15 and 25, the side plate 12 is provided with a pair of pneumatic actuators 36. This pneumatic actuator 36 has its actuating piece 37 close to both side parts 38 of the uppermost tray A1 and clamps the both side parts 38 on a horizontal straight line, and then the driving piece 37, and thus the uppermost part, around its horizontal axis. The upper tray A1 is angularly displaced from the horizontal state to the vertical state by 90 degrees, as indicated by the arrow 9, where the drive pieces 37 are displaced in the mutually separating directions to cause the side portions of the tray A1 to move. The drive piece 37 is separated from 38, whereby the tray A1 drops in the vertical state and is discharged. When compressed air is no longer supplied to the cylinder 34, in order to prevent the second support member 25 from being re-displaced in the direction opposite to the arrow 35 due to its own weight of the tray A and the driving means 26a moving upward, A stopper 48 that restricts the extensional displacement is provided on the inner surface of the side plate 12 so as to abut the connecting piece 28.

To explain the operation, in the state shown in FIG. 1A, the cylinder 23 is contracted and the cylinder 34 is contracted. At this time, the first support member 15 is in the first position. Supports tray A.

Next, as the cylinder 23 is extended, the tray A is raised as shown in FIG. 1 (2). Then, as shown in FIG. 1 (3), when the cylinder 34 is extended, the second support member 25 is angularly displaced in the direction opposite to the arrow 35 to the third position. The two support members 15 and 25 are in a supported state.

As shown in FIG. 1 (4), the first support member 15 is contracted to the second position by the cylinder 16, and the support of the tray A by the first support member 15 is released. At this time, the tray A is still supported because the second support member 25 is in the third position. Then, the cylinder 23 is contracted, and the moving body 14 and thus the first support member 15 are lowered to be in the state of FIG. 1 (5). The component take-out means 7 takes out the components one by one from the uppermost tray A1 and supplies them.

When all the components stored in the uppermost tray A1 are supplied and the remaining components become zero, the driving piece of the actuator 36 of the tray discharging means 49 is in the state of FIG. 6 (1). 37 approaches the side 38 of the uppermost tray A1 and clamps the tray A1, and then, as shown by the arrow 9 around its horizontal axis 8, as shown in FIG. 6 (2). After being angularly displaced by about 90 degrees, the state shown in FIG. 6C is obtained. In this state, the drive pieces 37 are displaced in the directions away from each other and contracted, whereby the tray A1 in the upright state descends downward as indicated by the arrow 39. Thus, the uppermost empty tray A1 is discharged from the support area 10 to the discharge path 41 surrounded by the end plate 13 and the guide plate 40. The state after the empty uppermost tray A1 is ejected is shown in FIG. 1 (6).

In order to bring the next tray A2 to the tray storage area B, as shown in FIG. 1 (7), the first support member 15 has the first position so that the tray A2 can be supported. Then, the cylinder 23 is extended and the tray A2 supported by the first supporting member 25 is supported by the uppermost first supporting member 15. Therefore, the cylinder 34 is contracted to the second support member 25 at the fourth position where the tray A is not supported, and in this state, the cylinder 23 is further raised to bring the tray A2 to the tray storage space B. In this state, 34 is extended to support the second support member 25 at the third position to support the tray A2 in the tray storage area B, and also supports the new trays A4 and A5 as shown in FIG. 1 (7). After that, the operation shown in FIG. 1 (4) and FIG. 1 (5) is performed. After the uppermost tray A1 is emptied in this way, the next tray A2 is brought to the uppermost tray storage area B to supply the components from the tray A2, and so on. , A4, A5, ... In this order, the components can be supplied from the tray yard B by the component take-out means 7.

[0017]

[Effect of the device]

 As described above, according to the present invention, a plurality of upper and lower trays in which parts are stored are supported by a first supporting member and can be displaced up and down by an elevating drive means, and a second supporting member is provided at a fixed position. To support the tray, pick up and feed the parts from the uppermost tray, and when the uppermost tray is empty, angularly displace the uppermost tray about the horizontal axis. Since the tray can be discharged from the supporting area by the first and second supporting members, the installation space can be made smaller than that of the prior art shown in FIG. Further, the first supporting member can be moved up and down by the elevating and lowering driving means, the second supporting member is provided at a fixed position, and each of the first and second supporting members supports the tray and releases the support. Therefore, after the uppermost tray has been emptied and ejected from the support area, it is possible to lift and bring the tray with the parts stored in the desired position, and thus the tray to the predetermined position. And the supply of parts can be performed.

[Brief description of drawings]

FIG. 1 is a simplified cross-sectional view for explaining the operation of an embodiment of the present invention.

FIG. 2 is a front sectional view showing a specific configuration of the embodiment shown in FIG.

FIG. 3 is a sectional view taken along section line III-III in FIG.

FIG. 4 is a simplified exploded perspective view of the embodiment shown in FIGS.

5 is a partial cross-sectional view showing a structure for angularly displacing a second support member 25 to a third position shown in FIG. 5 and a fourth position shown by an imaginary line 25a.

6 is a cross-sectional view showing a state in which the uppermost tray A1 is discharged from the support area 10. FIG.

FIG. 7 is a simplified cross-sectional view of the prior art.

[Explanation of symbols]

 7 Component Extraction Means 10 Support Area 11 Housing 14 Moving Body 15 First Support Member 16 Double-acting Pneumatic Cylinder 25 Second Support Member 26 Pinion 26 Drive Means 32 Rack 34 Double-acting Drive Cylinder 49 Tray Ejecting Means A1 to A5 Tray

Claims (1)

[Scope of utility model registration request] 1. A plurality of first positions, which are displaceable between a first position for vertically supporting a tray accommodating components and a second position for releasing the support, and which are vertically spaced apart from each other. A support member, an elevating and lowering drive means for vertically moving the first support member, a third position for vertically supporting the tray and a fourth position for releasing the support are displaceable, and a vertical space is provided. A plurality of second supporting members provided at fixed positions by opening the uppermost tray, and a component taking-out means for taking out and feeding the components from the uppermost tray, and the first and second by angularly displacing the uppermost tray around a horizontal axis. And a tray ejecting means for ejecting from a supporting region by the supporting member.