JPH05286521A - Work feeding device - Google Patents

Abstract

PURPOSE:To improve the feeding efficiency of a work and reduce the running cost. CONSTITUTION:A magazine 18 in which a plurality of substrates 16 are accommodated is transported to a position for starting the transport of a work on a magazine transport line. All the substrates in the magazine are transferred on a conversion device 36 by a pusher mechanism 35. The conversion device 36 is equipped with a pair of circulation belts 70 which are opposed in the reverse revolution, and a plurality of substrates are supported between a pair of circulation belts, and when the turning direction of the circulation belt is reversed, the support for the substrate is successively released, and the substrates are successively transferred to other line from the circulation belt.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work feeding device.

[0002]

2. Description of the Related Art As a conventional work supply device, for example,
2. Description of the Related Art A device for supplying a printed circuit board to a customer's device such as an automatic insertion machine is known. This conventional apparatus is configured to supply the substrates one by one from a magazine accommodating a plurality of substrates to a subsequent device.

To supply the substrates in the magazine to the post-process apparatus, the magazine is manually carried to the start position of the belt conveyor, and thereafter, the substrates in the magazine are pushed by the pushers one by one to make the substrates one by one. It is supplied to the post-process device every time. The magazine is moved one step after one substrate is pushed out, and the next substrate is pushed out after the substrate to be conveyed next is aligned with the surface position of the belt conveyor of the post-process apparatus.

[0004]

However, in this conventional apparatus, the next work cannot be supplied to the transport side unless one work is pushed out and then the magazine is moved to align the surface positions. In the return path process of the pusher actuator, the magazine cannot be moved, so that the work cannot be pushed to the transport side during this time. Further, since the driving speed of the pusher is also small, there is a problem in that a space is generated between the conveyed works, work supply efficiency is lowered, and running costs are increased.

Further, there is a problem that the next magazine cannot be set until all the works in the magazine are exhausted and a comparatively long time is required for exchanging the magazine, so that a loss time occurs and the above problem becomes more remarkable. .. Therefore, an object of the present invention is to provide a work supply device that has a high work supply efficiency and can reduce running costs.

[0006]

According to the present invention, a magazine for accommodating a plurality of works, a work transfer line for transferring the works in the magazine, and the magazine for transferring the magazine to a start position of the transfer line, It has a magazine transport line for collecting this magazine and a pair of opposing circulating belts that rotate in opposite directions to each other, supports a plurality of works between the pair of circulating belts, and adjusts the rotation belt according to the rotation of the circulating belt. The support of the work is sequentially released, and the work is sequentially transferred from the circulation belt to the transport line,
It is characterized by comprising a conversion device and a transfer device for transferring a plurality of works in the magazine at the transport start position to the conversion device at the same time.

[0007]

The converting device sequentially releases the support of the works as the circulation belt rotates, and successively supplies the individual works from the circulation belt to the conveyor line. Moreover, since the conversion device supplies the work to the transfer line by the rotation mechanism having a high driving speed, the work supply efficiency can be improved.

Further, in the supply device of the present invention, the transfer device can transfer all the works in the magazine to the conversion device at the same time, and all the works are transferred along the magazine transport line line. Then, the empty magazine can be collected from the transport start position, and while the workpieces are being transferred from the circulation belt, a new magazine containing multiple workpieces can be transported on the work transport line. By waiting at the position in advance, it is possible to eliminate the loss time due to the exchange of the magazine.

[0009]

【Example】

Next, examples of the present invention will be described. FIG. 1 mainly shows a front surface of a carrying line of a magazine, FIG. 2 shows a plan view thereof, and FIG. 3 shows a schematic left side surface thereof. The magazine transport line 10 for transporting a magazine 18 in which a plurality of substrates as works are stored to a transport start position of a substrate transport line described below, and then collecting this magazine is a front half 12
And a rear half portion 14 arranged at a right angle to this, and a direction changing mechanism 15 for changing the transport direction of the magazine to a right angle is provided between them.

The front half 12 and the rear half 14 can carry a magazine 18 in which a plurality of resin substrates 16 are housed, and are composed of two upper and lower stages and a lower one.
Reference numeral 9 is a forward path for transferring the magazine to the transfer start position 20 in the arrow direction of FIG. 2, and upper stage 22 is a return path for transferring the empty magazine 18A from the transfer start position.

The transfer of the magazine 18 in the front half portion 12 is carried out by a belt 26 rotated by a pair of pulleys 24.
The transfer of the magazine in the upper stage 22 is executed by a plurality of rollers (not shown). Since the rollers are arranged so as to be inclined downward toward the downstream side of the line, the magazine 18 can be automatically slid toward the downstream side of the line.

As shown in FIG. 1, the upper and lower stages are configured so that a plurality of magazines 18 can be transferred simultaneously. The direction changing mechanism 15 is composed of a pair of belt conveyors 23 facing each other and a motor roller 25 capable of moving up and down. As shown in FIG. 3, the latter half portion 14 is also composed of two upper and lower stages, and the magazine can be transferred by the motor roller 27 in both the upper and lower stages.

When the magazine is transferred from the front half 12 to the transfer direction changing mechanism 15, the side edge of the magazine is placed on the belt 23, and after the transfer of the magazine is completed, the belt 23 is rotated. Stop moving. Then, the motor roller 2
5 is driven upward to lift the magazine 18, and then the motor roller 25 is rotated to move the magazine to the latter half side 14.

As shown in FIG. 3, the magazine 18 includes the motor roller 2 in the latter half 14 of the magazine transport line.
The rotation of 7 conveys the lower part of the line as indicated by arrow 29. An elevating mechanism 28 having a motor roller 27 that can be raised or lowered is provided at the end of the line, that is, at the start position 20 of the work transfer line described later. The magazine 18 is lifted up by the lifting mechanism 28. In this way, it becomes possible to transport the magazine containing a plurality of substrates to the start position 20 of the work transport line.

In FIGS. 2 and 3, reference numeral 30 is a substrate (work) transfer line consisting of a belt conveyor for transferring the substrates in the magazine, and this belt conveyor has a pair of belts 32. Substrate 1 to 32
The side edge of 6 is placed and the substrate is conveyed in the direction of arrow 29A.

All the substrates in the lifted magazine are pushed by a pusher, which will be described in detail later, to a conversion device, which will also be described in detail later, and the conversion device continuously supplies the substrate 16 to the transfer line 30.

After all the substrates in the magazine 18 have been pushed into the converter by the pushers, the empty magazine 1
8A is the motor roller 2 on the upper stage of the magazine transport line.
7 is conveyed toward the direction changing mechanism 15 by the rotation of 7 and reaches the direction changing mechanism, the motor roller 25 descends, and the empty magazine 18A is placed on the belt 23. Then, the belt 23 rotates to convey the empty magazine to the upper stage 22 of the front half 12 of the conveying line toward the downstream side of the line by the inclination of the rollers. In this way, empty magazines are collected. Here, when the magazine transport line 10 becomes full of magazines, a function of temporarily prohibiting transport or collection of the next magazine can be added.

4 to 6 show the elevating mechanism 28, the pusher 35, and the converting device 36. FIG. 4 is a front view thereof, FIG. 5 is a plan view thereof, and FIG. 6 is a right side view thereof. .. The elevating mechanism 28 includes an elevating table 34 connected to an air cylinder 33, and a motor roller 27 for carrying the magazine 18 to the table 34 is provided on the upper surface of the elevating table 34. When the magazine 18 reaches the lifting table 34, the lifting table 34 lifts the magazine 18 from the position indicated by the alternate long and short dash line in FIG.

The pusher 35 includes an air cylinder 38,
Two lifting tables 40 facing each other, which are lifted by the air cylinder 38, are provided. This lifting table 4
Linear shafts 42 are fixed on the upper surface of 0 and at the front end and the rear end of the lifting table, respectively, and linear bushes 44 that move forward and backward along the linear shaft 42 are provided.

An air cylinder 48 for pushing the slider 46 is arranged between both linear bushes 44.
The magazine 18 is provided on the lower front end side of the lifting table 40.
A push plate for pushing out the substrate 16 therein is provided,
Reference numeral 50 denotes a large push plate, and 52 denotes a small push plate. An advancing / retreating shaft 54 that advances and retracts in the left-right direction in the drawing is fixed to each of the push plates.
Of the linear bush 58 and is supported by the plate. Two advancing and retracting shafts 54 are provided above and below each of the large push plate 50 and the small push plate 52. The upper and lower advancing / retreating shafts are connected by a plate 55 so that the upper and lower advancing / retreating shafts can be integrally driven.

On the lower surface of the lifting table 40 on the rear end side,
A plate 60 is provided integrally with this, and this plate fixes the linear shaft near the drive shaft 54 so as to sandwich it with the plate 56. The slider 46
A substantially L-shaped lock plate 62 is fixed to the lower surface of the. Reference numeral 49 denotes an air cylinder connected to the pushing air cylinder 48, and the linear bushes 44 provided at both ends of the pushing air cylinder have linear shafts 42.
The air cylinder 49 can move the pushing air cylinder 48 in the width direction of the pusher 35 by moving the pusher 35.

By the movement of the pushing air cylinder 48 in the width direction, the lock plate 62 fixed to the slider 46 is fitted to either the plate 55 of the large push plate 50 or the plate 55 of the small push plate 52, and is fitted. Only the combined plates can be moved back and forth.

The magazine 18 in which a plurality of substrates 16 are accommodated in parallel is opened at the front side 41 and is opened at the rear side 43.
The opening 66 has a structure. Then, by pushing the pressing plate 50 (52) into the magazine 18 through the opening 66, the substrate 16 can be transferred to the conversion device 36 described later. As shown by the one-dot chain line in FIG. 4,
The elevating table 40 is lowered, and then the pushing air cylinder 48 is attached to the linear shaft so that the lock plate 62 is fitted to the plate of the pushing plate corresponding to the size of the opening 66 on the rear surface of the magazine 18. It is moved in the width direction along 42. Then, by moving the slider 46 toward the magazine 18 side,
4 advances in the direction of the arrow and enters the magazine 18.

Next, the conversion device 36 will be described in detail. This conversion device is arranged at the starting position 20 (see FIG. 2) of the transfer line 30 and above the work transfer line 30, and is provided with a pair of circulation belt drive mechanisms 68. As shown in FIG. 5, this circulation belt drive mechanism is used for the conveyance line 3
One is provided on each of the upstream side and the downstream side of 0. A circulation belt 70 that rotates while circulating in the same direction is provided on the front end side and the rear end side of each drive mechanism,
The circulation belt of the drive mechanism 68A on the upstream side of the transfer line circulates counterclockwise, and the drive mechanism 68A on the downstream side of the transfer line 68A.
The circulation belt of B is adapted to rotate clockwise (see FIG. 6).

7 and 8 show the details of the drive mechanism 68, and FIG. 8 shows the VIII-VIII of FIG.
FIG. As shown in FIGS. 7 and 8, the circulation belt 70 is stretched between upper and lower pulleys 72 and 74, and the pulley 72 above the drive mechanism 68A on the upstream side of the conveyance line is a drive shaft. It is fixed to 76. The lower pulley 74 is fixed to the driven shaft 78. A gear 80 is provided at the tip of the drive shaft 76. The gear 80 is the shaft 8 to which the rotational force of the motor 82 is transmitted.
4 meshes with the gear 86. Therefore, the motor 8
When 2 rotates, the pulley 88 at the tip of the motor shaft,
The drive shaft 76 is provided via a pulley 90 at the tip of the shaft 84 around which a belt 87 is wound between the drive shaft 76 and the pulley 88, and via a gear 86 and a gear 80 of the shaft 84.
Rotates, and the circulation belt 70 rotates accordingly.

The circulating belt 70 is provided with supporting members 92 for supporting both side edges of the substrate at equal intervals and for holding the substrate. The support member 92 includes a pedestal 94 fixed to the belt 70 and a substantially L-shaped pedestal fixed to the upper surface of the pedestal.
It is composed of a metal mold 96. By mounting the side edge 95 of the substrate 16 on the metal fitting 96, a plurality of substrates can be fed in the direction of the arrow in FIG. It can be supported in parallel between 70. At the end of the metal fitting 96, a stopper 98 that abuts the front end 97 of the board to be fed.
Is provided. The support member 96 is provided on the side wall of the casing 91 that houses the drive mechanism 68 therein.
Feeding guides 93 for guiding the substrate 16 are installed at pitches indicated by H. The loading guide 93 is inclined downward and laterally to facilitate the loading of the substrate.

The substrate 16 is supported between the belts 70 as follows. By pushing the pushing plate 50 (52) into the magazine 18, all of the substrates 16 which are vertically stored in parallel from the magazine front face 41 are pushed toward the circulation belt drive mechanism 68 side, and The substrate 16 is supported between the support members 96 of the belt 70. In addition, the distance between the boards accommodated in the magazine,
The support members 92 are formed at the same interval so that the substrates can be fed.

The belt 70 rotates by the pitch (H), and after a predetermined time determined by the moving speed of the transport system has elapsed, it rotates again by the same pitch. After that, by repeating this operation, when the circulation belt is driven, in other words, when the rotation direction is reversed, the distance between the belt support members 92 on the upstream and downstream sides of the transport line 30 increases, and at this time, both of them are increased. The support of the substrate supported between the substrates is released, and the substrate is transferred onto the belt 32 on the transfer line 30 side.

A drive mechanism 6 on the downstream side of the transfer line 30.
8B is connected to the linear actuator 102, so that the drive mechanism 68B on the downstream side can move back and forth along the transport line 30. As a result, the widths of both drive mechanisms can be adjusted according to the width of the substrate to be fed.

Reference numeral 104 shown in FIG. 4 denotes a work receiving mechanism. As shown in FIG. 9, the work receiving mechanism includes an air cylinder 106, an elevating arm 108 fixed to the air cylinder and vertically elevating with respect to the transfer line 30, and an upper end of the elevating arm 108. It comprises a connected plate 110. The plate 110 is formed in an L shape, and is connected to the elevating arm 108 on both sides in the width direction of the transfer line. A flange 112 is formed from the upper surface of both ends of the plate 110 from the back side of the drawing toward the front side, and is a receiving seat for receiving the substrate whose support member 96 is released when the circulation belt 70 is driven. 114 is screwed onto the flange 112.

Then, the work receiving mechanism 104.
Are provided so as to face each other on the upstream side and the downstream side of the substrate transfer line 30, and the four receiving seats 114 can support the substrate. That is, the air cylinder 106 raises the receiving seat 114 to the position shown by the alternate long and short dash line in FIG. 8, and then receives the substrate whose support is released from the converting device 36. Then, the substrate is transferred onto the belt 32 of the transfer line 30 by descending to the position indicated by the chain double-dashed line. By repeating this operation, the individual substrates can be continuously supplied from the conversion device 70 to the transfer line 30. In FIGS. 7 and 8, the reference numeral 120 indicates the drive mechanism 6.
A shaft for fixing between the housings on both sides of 8, 1
Reference numeral 22 denotes a pulley for applying tension to the circulation belt 70.

Next, the operation of this embodiment will be described. As shown in FIGS. 1 to 3, the magazine 18 accommodating the substrates 16 is provided in the front half 12 of the magazine transport mechanism 10.
The lower stage 19 is moved, and the conveying direction is changed to a right angle by the direction changing mechanism 15. Then magazine 18
Moves to the lower stage of the rear half 14 and is lifted up by the lifting mechanism 28.

As shown in FIGS. 4 to 6, the drive mechanism 68B is moved by the linear actuator 102 according to the width of the substrate 16 in the magazine.
It is moved along the transport direction of 0. Next, the table 40 of the pusher 35 is lowered, and then the push plate 50 (or 5) is placed in the magazine 18 in the lifted state.
2) Push in. As a result, all the substrates 16 in the magazine 18 can be supported between the support members 92 of both the circulation belts 70.

The empty magazine is transported along the upper stage 22 of the magazine transport line and collected. The conveying direction of the empty magazine is also changed to a right angle between the rear half 14 and the front half 12 of the line by the direction changing mechanism 15. Then, after the empty magazine is conveyed, the elevating mechanism 28 descends, and after mounting the next magazine, it further elevates and waits for the next magazine.

The converting device 36 rotates the circulating belt 70 after the substrate 16 is pushed in, and drives the drive mechanism 68.
Substrate 1 supported between both supporting members 92 of A and 68B
6 is sequentially lowered to the transport line 30 side. Then, when the belt 70 is driven, the support of the substrate 16 supported at the lowermost end of the belt 70 is released. At this time, the receiving seat 114 is raised to receive the substrate whose support is released,
Then, the receiving seat 114 is lowered to supply the substrate 16 onto the belt 32 of the transfer line 30.

The substrate supported between the support members 92 of both drive mechanisms 68A and 68B and the substrate supplied on the belt 32 are detected by optical sensors (not shown) installed above and below the drive mechanism. Then, when it becomes possible to supply the next substrate, the next substrate is supplied to 32, and the rotation of the belt 70 is stopped in a state where the substrate to be supported is exhausted, and all the substrates are quickly pushed from the magazine in the standby state. rear,
The rotation of the belt 70 is restarted.

According to the present embodiment described above, the conversion device 36 receives all the substrates 16 from the magazine 18 by the pusher 35, and releases the support of the work when the circulation belt 70 is driven, Individual works can be successively supplied from the circulation belt 70 to the transfer line 30 continuously. Since the rotating speed of the belt 70 can be easily increased, even if the rotating speed of the belt 32 of the work transfer line 30 is increased, it can be easily followed. As a result, the supply efficiency of the substrate 16 can be greatly improved.

Further, from the magazine 18 all the substrates 1
6 can be transferred to the conversion device 36 at the same time, and the magazine can be transported between the transport start position of the transport line 30. Therefore, after the magazine is empty, the empty magazine is taken out from the transport start position. , The next magazine can be made to stand by at the transfer start position of the work transfer line.
As a result, it is possible to eliminate the loss time due to the exchange of the magazine.

Furthermore, in the above embodiment, the magazine 1
8 and the support member 92 of the converter 36, the substrate 1
Since only the side edges of 6 are supported, it is possible to avoid the occurrence of scratches due to the sliding of the substrate in the central region of the substrate, and to avoid the deterioration of the quality of the work. Further, in this embodiment, since the drive mechanism 68B is configured to be movable back and forth along the transport direction of the transport line 30, the substrate can be supplied to the transport line 30 even if the width of the substrate changes.

In the above embodiment, the circulation belt 70 was stopped when the work was pushed in.
The work may be pushed in without stopping 0. At this time, the control device (not shown) causes the rotating belt 7
The rotation speed of 0 is detected, and the work in the magazine is belt 7
The work can be pushed in by controlling the pushing speed of the pushing plate 50 (52) at a timing when it can be placed on the supporting member 92 of 0. Further, in the above-mentioned embodiment, the circulation belt 70 is rotated at every predetermined pitch, but it may be continuously rotated. Furthermore, in the present embodiment, the circulation belt 70 is connected to the conveyor line 3.
Although it is arranged above 0, the belt 70 may be arranged along the conveyance line 30 without being limited to this.

[0042]

As described above, according to the present invention, the magazine is transported to the start position of the transport line,
Next, this magazine is collected, and a plurality of works are simultaneously received from the magazine at the transfer start position, and this work is transferred to the transfer line, so that the work supply efficiency is improved and the magazine Running time can be stopped by eliminating the loss time associated with replacement.

[Brief description of drawings]

FIG. 1 is a front view of a carrying line of a magazine.

FIG. 2 is a plan view of FIG.

FIG. 3 is a schematic left side view of FIG.

FIG. 4 is a front view of the work supply device.

FIG. 5 is a plan view of FIG.

FIG. 6 is a right side view of FIG.

FIG. 7 is a detailed configuration diagram of a conversion device.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a configuration diagram of a work receiving mechanism.

[Explanation of symbols]

 10 Magazine Transport Line 16 Substrate (Work) 18 Magazine 30 Work Transport Line 36 Converter 70 Circulation Belt

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Rin Kawaguchi 1-12-7 Yaguchi, Ota-ku, Tokyo Hikko Industrial Co., Ltd.

Claims (1)

[Claims] 1. A magazine for accommodating a plurality of works, a work transfer line for transferring the works in the magazine, and a magazine for transferring the magazine to a start position of the transfer line,
Next, it has a magazine transport line for collecting this magazine, and a pair of opposed circulating belts that rotate in opposite directions, supports a plurality of works between the pair of circulating belts, and adjusts the rotation of the circulating belt. Release the support of the work sequentially, and transfer the work sequentially from the circulation belt to the transfer line, and a transfer device that transfers the plurality of works in the magazine at the transfer start position to the conversion device at the same time. A work supply device including a mounting device.