JP2002011636A - Work feeding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To relieve labor through reduction of the exchange frequency of a storage member to feed a work. SOLUTION: This work feeding device comprises a work row 23 in which a plurality of works 1 is stored in a lateral row-form state; a storage member 15 in which the work rows 23 are situated at equal pitches P along a longitudinal direction; a pickup member 17 having a pickup arm 36 to suck the work 1 and to pick up the work 1 from the storage member 15 and store the work 1 in the storage member 15; a delivery member 19 to deliver the work 1 between the pickup member 17 and a finishing machine 2 through reciprocating movement between the pickup member 17 and the finishing machine 2; a delivery member 16 to intermittently deliver the storage member 15 at every pitch P of the work rows 23 to the pickup member 17; and a pickup feed member 20 to move the pickup member 17 by a given pitch at a time along the work row 23 such that the pickup arm 36 fronts on, in order, the individual works 1 in one work row 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work supply device for supplying a work such as an optical component to a processing machine.

[0002]

2. Description of the Related Art A centering machine for grinding the outer periphery of a lens clamps the lens between a belly toy and a tip toy and grinds the outer periphery of the lens with a grindstone while rotating the lens. Japanese Patent Publication No. 5-12100 discloses a conventional work supply apparatus for supplying a lens to the centering machine.

FIGS. 7 and 8 show a work supply apparatus described in the above-mentioned publication, in which a storage member 100, a pickup member 120, a receiving member 140, and a delivery member 160 are shown.
And

[0004] The storage member 100 is a lens 2 as a work.
00 is supplied in a stored state, and has a storage plate 101 for that. The storage plate 101 has a long plate shape as shown in FIG.
The nest 102 is inserted and held at an equal pitch. The nest 102 accommodates the lenses 200 one by one, and the lenses 200 are stored in the storage plate 101 at equal pitches by holding the nest 102 on the storage plate 101.

The storage plate 101 moves intermittently in the longitudinal direction at a pitch that matches the pitch of the stored lenses 200. For this reason, a plurality of cutout grooves 103 are formed on the lower surface of the storage plate 101 at an interval corresponding to the pitch of the lens, and the delivery member 1 corresponding to the cutout groove 103 is formed.
10 are arranged.

The delivery member 110 includes a delivery cylinder 112 disposed below the storage plate 101 along the longitudinal direction of the storage plate 101, and a delivery block 115 attached to a piston rod 113 of the delivery cylinder 112. I have. On both end surfaces of the delivery block 115, delivery pawls 117 which are detachably engaged with the cutout grooves 103 of the storage plate 101 are rotatably mounted. In such a structure, the delivery cylinder 112 is engaged with the delivery claw 117 in the notch groove 103.
Are extended by the pitch of the lens, so that the nest 102
The lens 200 can be sent out one by one in the longitudinal direction in a state where the lens 200 is stored.

The pickup member 120 includes a pickup cylinder 121 extending in a vertical direction, and a pickup block 123 connected to a piston rod 122 of the pickup cylinder 121. The pickup block 123 includes an upper arm 124 attached to the piston rod 122 and a lower arm 125 attached to the upper arm 124 so as to be rotatable by 90 degrees. The pickup arm 126 is attached to the lower arm 125. The pickup arm 126 is for taking out the lens 200 from the storage plate 101 by suction, and a pad 127 for sucking the lens is attached to a tip portion.

The receiving member 140 is disposed downstream of the moving direction of the storage plate 101 so as to face the pickup member 120. The receiving member 140 includes a receiving cylinder 141 that expands and contracts in the direction of the pickup member 120 and a receiving arm 142 attached to the receiving cylinder 141. The receiving arm 142 receives the lens 200 from the pickup arm 126 by suction.

The transfer member 160 includes a turning motor 16.
1 and a transfer arm 163 attached to the turning shaft 162 of the turning motor 161. The turning motor 161 is attached to the forward / backward cylinder 164, and the delivery arm 163 is driven by the forward / backward cylinder 164 to move the pickup arm 126 and the receiving arm 1.
It moves forward and backward to move between 42. Delivery arm 1
The receiving member 1 63 is driven by the turning motor 161.
The lens is reciprocated between the 40 (or the pickup member 120) and the centering machine (not shown) to transfer the lens between them. In order to perform this delivery, the delivery arm 163 is provided with an openable / closable chuck 165 for holding the lens 200.

The supply of the lens 200 by such an apparatus is started when the storage plate 101 advances one pitch and reaches the supply position by the operation of the delivery member 110. Then, the pickup cylinder 121 is extended, the pickup arm 126 is lowered, and the lens 200 is sucked from the nest 102 at the supply position. After the attraction of the lens 200, the pickup arm 126 moves up, and the lower arm 125 rotates 90 degrees to set the pickup arm 126 to the horizontal position.

Thereafter, the receiving arm 14 of the receiving member 140
2 receives the lens 200 from the pickup arm 126 by suction. Then, the delivery arm 163 of the delivery member 160 rotates, and the chuck 165 takes out the lens 200 from the receiving arm 142 and transports the lens 200 between the belly toy and the tip toy of the centering machine. As a result, the lens 200 is held by the belly toy and the tip toy, and the outer periphery of the lens 200 is subjected to processing such as grinding.

[0012]

In the conventional work supply apparatus, the storage member 100 is provided with a lens 200 along the longitudinal direction.
Are stored one by one, so that the number of stored lenses is limited, and the storage member 10 is stored every time one lens is processed.
0 needs to be moved. For this reason, when processing the lens 200 in large quantities, not only does the storage member 100 need to be frequently replaced with the delivery member 110, but also the number of movements of the storage member 100 increases and the delivery member 110 becomes frequently. Must be driven. Therefore, there is a problem that the number of these operations increases and a great deal of labor is required.

The present invention has been made in consideration of such conventional problems, and can reduce the frequency of replacing the storage member and reduce the number of times the feeding member is driven. It is intended to provide a device.

[0014]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a work row in which a plurality of works are housed side by side, and the work rows are arranged at a constant pitch along a longitudinal direction. A storage member provided, a pickup arm for adsorbing the work, a pickup member for taking out the work from the storage member and storing the work in the storage member, and reciprocating between the pickup member and the processing machine to transfer the work. A delivery member for delivering between a pickup member and a processing machine, a delivery member for intermittently delivering a storage member to the pickup member at every pitch of the work row, and an individual work in which the pickup arm is included in one work row. A pickup feed member that moves the pickup member at a predetermined pitch along the work row so as to sequentially face For example, characterized in that is.

In this apparatus, the feeding member feeds the storage member to the supply position one pitch at a time, the pickup member takes out the work from the storage member, and the transfer member transfers the work from the pickup member to the processing machine, thereby supplying the work. Done.

Further, in the present invention, a work row for storing a plurality of works in a side-by-side manner is provided in the storage member, and when the delivery member moves the storage member by one pitch, the plurality of works in one work row are moved. Reach the feed position. The pickup feeding member moves the pickup member so as to take out the workpieces that have reached the supply position one by one.

In such a structure, since a plurality of works can be simultaneously supplied to the supply position by moving the storage member, the supply amount of the work is increased, and the frequency of replacing the storage member is reduced. In addition, since the individual works are supplied to the processing machine in a state where the plurality of works have reached the supply position at the same time, it is not necessary to move the storage member each time one work is processed. Thus, the labor for supplying the work can be reduced.

According to a second aspect of the present invention, there is provided a work row in which a plurality of works are housed side by side, the work rows being provided at equal pitches along the longitudinal direction, and a plurality of works in one work row. A plurality of pickup arms for simultaneously adsorbing the work, a pickup member for taking out the work from the storage member and storing the work in the storage member, and a reciprocating movement between the pickup member and the processing machine to pick up the work. A delivery member for delivering between the processing machines, a delivery member for delivering the storage member intermittently at every pitch of the work row to the pickup member, and a reception arm for attracting the work; and A receiving member for moving the pickup arm by a predetermined pitch so as to individually face a plurality of works sucked simultaneously. And wherein the are.

In this apparatus, the delivery member sends the storage member to the supply position one pitch at a time, the pickup member takes out the work from the storage member, the reception member receives the work from the pickup member, and the delivery member processes the work from the reception member. Work is supplied by handing over to the machine.

Also in the present invention, a work row for storing a plurality of works in a side-by-side manner is provided in the storage member.
When the delivery member moves the storage member by one pitch, a plurality of works in one work row reach the supply position. According to the present invention, the plurality of pickup members simultaneously take out a plurality of works that have reached the supply position, and the receiving member sucks the works that are simultaneously sucked by the pickup member one by one. For this reason, a workpiece can be supplied one by one to a processing machine.

Also in this invention, since the plurality of works can be simultaneously supplied to the supply position by moving the storage member, the supply amount of the work is increased, and the frequency of replacing the storage member is reduced. In addition, since the individual works are supplied to the processing machine in a state where the plurality of works have reached the supply position at the same time, it is not necessary to move the storage member each time one work is processed. Thus, the labor for supplying the work can be reduced.

According to a third aspect of the present invention, in the first or second aspect, the processing machine grinds the outer periphery of the work while rotating the work while clamping the work between the belly toy and the tip toy. It is a centering machine.

According to the present invention, in addition to the operation similar to the first or second aspect, the lens can be supplied to a centering machine for grinding the outer periphery of the lens.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to embodiments shown in the drawings. In each of the embodiments, the same elements are denoted by the same reference numerals and correspond to each other.

(Embodiment 1) FIGS. 1 to 5 show Embodiment 1 of the present invention. FIG. 1 shows an arrangement state in a processing machine, and FIG. 2 shows an entire work supply device. The work supply device of this embodiment supplies a lens 1 as a work to a centering machine 2 for grinding the outer periphery of the lens.

As shown in FIG. 1, the centering machine 2 as a processing machine is disposed on a base 3 such that a front toy 4 and a bell toy 5 face each other. The tip toy 4 is attached to a rotatable work shaft 7 projecting from the first guide block 6 on the base 3. Belya toy 5 is base 3
It is attached to a rotatable bell shaft 9 protruding from the upper second guide block 8. The tip toy 4 and the bell toy 5 hold the lens 1 supplied by the work supply device and rotate the lens 1 while holding the lens 1 as described later.

On the base 3, a grindstone 10 is arranged. The grindstone 10 is connected via a belt 14 to a grindstone motor 11 whose spindle 10 a is mounted on the base 3. The grindstone 10 is rotated by the drive of the grindstone motor 11, and grinds the outer periphery of the lens 1 sandwiched between the tip toy 4 and the bery toy 5.

The work supply device of this embodiment includes a storage member 15, a delivery member 16, and a pickup member 1.
7, a receiving member 18 and a delivery member 19. The storage member 15 and the sending-out member 16 are arranged at positions adjacent to the base 3 of the centering machine 2, and the pickup member 17, the receiving member 18 and the transfer member 19 are arranged on the base 3 of the centering machine 2.

The storage member 15 has a storage plate 21 for supplying the lens 1 in a stored state. The storage plate 21 is formed in a long plate shape extending substantially parallel to the direction in which the tip toy 4 and the bell toy 5 face each other. As shown in FIG. 3, the nesting holes 21a are formed at equal pitches along the length direction of the storage plate 21, and the nests 22 are stored in the respective nesting holes 21a.

The nest 22 accommodates a plurality of lenses 1 in a side-by-side manner (two in the illustrated embodiment). In this case, the lenses 1 are housed so as to be arranged side by side in a direction orthogonal to the feeding direction of the housing member 15.

FIG. 4 shows a cross section of the nest 22 cut in a direction perpendicular to the feeding direction of the storage member 15, and the lens storage holes 22a are formed side by side in a direction perpendicular to the feeding direction of the storage member 15. . The lens 1 is stored in each of the lens storage holes 22a by dropping.
Further, a through hole 22b penetrating vertically is formed at a lower portion of each lens housing hole 22a, so that a liquid such as a cutting fluid attached to the lens 1 can be dropped from the through hole 22b. ing. In addition, the nest 22 is configured such that the upper flange portion 22 c is locked to the storage plate 21,
It is stored in the storage plate 21 in a fall prevention state.

The nest 22 is stored in the storage plate 21 such that the plurality of stored lenses 1 are arranged side by side in a direction perpendicular to the feed direction of the storage member 15. By this storage, the storage member 15 is provided with a lens row (work row) 23 in which the plurality of lenses 1 are stored in a side-by-side manner (see FIG. 2). In addition, in order to form the lens array 23 in which the lenses 1 are arranged side by side, an angle defining protrusion or the like (not shown) for defining the angle of the insert 22 to the storage plate 21 is formed on the insert 22 and the storage plate 21. Is preferred.

In such a housing member 15, when the nest 22 housing the plurality of lenses 1 is housed in the housing plate 21,
The lens rows 23 are provided at an equal pitch P (see FIG. 2) along the longitudinal direction of the storage member 15. Therefore, the lens array 23
By moving the storage member 15 to the supply position at the same pitch as the pitch P, the plurality of lenses 1 in one lens row 23 stop at the supply position.

The storage plate 21 moves intermittently in the longitudinal direction at a pitch corresponding to the pitch P of the lens array 23 described above. Therefore, as shown in FIG. 3, a plurality of cutout grooves 24 are formed on the lower surface of the storage plate 21 at intervals corresponding to the pitch P of the lens rows 23. The feed member 16 applies a feed force of the storage plate 21 to the cutout groove 24.

As shown in FIGS. 1 and 2, the delivery member 16 is provided along the longitudinal direction of the storage plate 21.
And a delivery block 27 attached to a piston rod 26 of the delivery cylinder 25.

On both end faces of the delivery block 27, delivery claws 28 which are detachably engaged with the cutout grooves 24 of the storage plate 21 are rotatably mounted. Then, with the delivery claw 28 engaged with the notch groove 24, the delivery cylinder 25 is extended by the pitch P of the lens array 23, and the inserts 22 are delivered one by one to the supply position. The notch groove 24 and the feed claw 28 are tapered in the direction opposite to the feed direction of the storage plate 21, and when the feed cylinder 25 is shortened by the pitch P,
The engagement between the delivery claw 28 and the cutout groove 24 is released, and the delivery claw 28 is engaged with the cutout groove 24 at the next stage.

The pickup member 17 is attached to the L-ita 12 provided on the base 3 of the centering machine 2.
The pickup member 17 includes a mounting bracket 31 disposed along a side surface of the L-ita 12 and a mounting bracket 3.
Pickup cylinder 3 attached to 1 in an upright state
2 and the piston rod 32 of the pickup cylinder 32
and a pickup block 33 connected to the pickup block 33.

The pickup block 33 includes an upper arm 34 attached to the piston rod 32a and an upper arm 3
4 and a lower arm 35 rotatably mounted on the lower arm 35. A pickup arm 36 is mounted on the lower arm 35. The pickup arm 36 is for taking out the lens 1 from the nest 22 by suction, and a pad 30 made of an elastic material is attached to the distal end portion for sucking the lens 1.

In the pickup member 17, the lower arm 35 changes its direction in the vertical and horizontal directions by the expansion and contraction driving of the pickup cylinder 32. Then, the lens 1 is exchanged with the insert 22 in the state of change in the vertical direction, and the lens 1 is exchanged with the receiving member 18 or the transfer member 19 in the state of change in the horizontal direction. .

FIG. 5 shows a structure for performing this direction change in detail. A spring 38 for urging the lower arm 35 in the vertical direction is provided at a portion pivotally supported by the upper arm 34 and the lower arm 35.
Is attached. Therefore, in a normal state, the lower arm 35 is linear with respect to the upper arm 34 as shown by a chain line. In addition, a stopper 37 is attached to the mounting bracket 31, and a contact body 39 that contacts the stopper 37 is attached to the lower arm 35. Then, the pickup cylinder 32 is shortened and the contact body 3
9 comes into contact with the stopper 37, so that the lower arm 35
Can rotate against the urging force of the spring 38 and change its direction in the horizontal direction. A suction pipe 40 is connected to the lower arm 35, and the pad 30 sucks the lens 1 by negative pressure from the suction pipe 40.

In this embodiment, there is provided a pickup feeding member 20 for moving the above-mentioned pickup member 17 along the direction in which the lenses 1 in the lens row 23 are arranged side by side. The pickup feed member 20 is composed of a feed cylinder 43 as shown in FIG. The feed cylinder 43 is, as shown in FIG.
2, the piston rod 44 penetrates horizontally through the side surface of the L ita 12 and is connected to the mounting bracket 31 of the pickup member 17.

The feed cylinder 43 reciprocates the entire pickup member 17 in the horizontal direction of the lenses 1 in the work row 23 by the expansion and contraction operation thereof. Can be faced with the individual lens 1.
When the pickup arm 36 faces the lens 1, the lens 1 can be sucked and picked up.

The receiving member 18 is arranged so as to face the pickup member 17 on the downstream side in the moving direction of the storage plate 21 by the bracket 46 being attached to the base 3 of the centering machine 2. The receiving member 18 includes a receiving cylinder 47 that expands and contracts in the direction of the pickup member 17, a receiving block 48 attached to the receiving cylinder 47,
And a receiving arm 49.

The receiving cylinder 47 includes the pickup member 17
The receiving arm 49 reciprocates in the direction of approaching and separating from the pickup member 17 due to the expansion and contraction. The receiving arm 49 holds the lens 1 by suction, and exchanges the lens 1 between the pickup member 17 and a transfer member 19 described later.

The transfer member 19 includes a turning motor 51.
And a transfer arm 53 attached to the turning shaft 52 of the turning motor 51. The turning motor 51 is attached to the moving side of the reciprocating cylinder 54 fixed to the upper surface of the L-ita 12. The transfer arm 53 is driven by the reciprocating cylinder 54 via the turning motor 51.
Moves between the pickup arm 36 and the receiving arm 49. The transfer arm 53 rotates between the pickup member 17 and the tip end 4 when the rotation motor 51 is driven to rotate.

An openable and closable chuck 55 for holding the lens 1 is attached to the distal end of the transfer arm 53. When the chuck 55 opens and closes, the transfer member 19 receives the lens 1 from the receiving member 18 or the pickup member 17 and conveys the lens 1 to the centering machine 2, and receives the processed lens from the centering machine 2 and receives the lens 1. Alternatively, it operates so as to pass it to the pickup member 17.

Next, the operation of this embodiment will be described.
The lens 1 is housed in a nest 22 and the nest 2
2 is stored in the storage plate 21. As described above, the storage is performed by the plurality of lenses 1 in the lens row 23
5 so as to be arranged side by side in a direction perpendicular to the feed direction. Then, the delivery cylinder 25 of the delivery member 16
Is driven, and the storage member 15 moves, whereby one lens row 23 (nest 22) moves to the supply position.

In the pickup member 17, the pickup arm 36 descends to adsorb one lens 1 from the nest 22 at the supply position, and then the pickup arm 36 rises, and the pickup arm 36 is moved horizontally by the above-described operation. Rotate until As a result, the lens 1 assumes a vertical posture. Here, the receiving arm 49 of the receiving member 18 sucks and receives the lens 1 from the pickup arm 36.

Next, the transfer arm 53 of the transfer member 19 is rotated, the lens 1 is received by the chuck 55, and the lens 1 is further rotated to convey the lens 1 to the leading sleeve 4 of the centering machine 2, where the leading sleeve 4 is moved. In addition, the belly toy 5 holds the lens 1 and performs grinding of the outer periphery of the lens with the grindstone 10.

During the grinding, the pickup feed member 20 is driven to move the pickup member 17. This movement is performed in a direction orthogonal to the feed direction of the storage member 15, whereby the pickup arm 36 faces the remaining lens 1 in the nest 22. Then, suction is performed on the remaining lens 1 by the pickup arm 36 in the same manner as described above. The sucked lens 1 is sucked and held by the receiving arm 49 of the receiving member 18. The holding by the receiving arm 49 is performed until the processing of the lens 1 conveyed to the centering machine 2 in the preceding stage is completed.

After the processing of the lens 1 is completed by the centering machine 2, the transfer arm 53 of the transfer member 19 takes out the processed lens 1 from between the front toy 4 and the bery toy 5, and turns in the opposite direction to the above. Pickup member 1
The pickup arm 36 of this lens 7
Then, the posture is changed in the vertical direction, and the processed lens 1 is returned to the empty lens storage hole 22a of the nest 22 at the supply position.

Thereafter, the transfer arm 53 is advanced rightward in FIG. 1 by the advancing / retreating cylinder 54 of the transfer member 19, and the receiving arm 49 of the receiving member 18 grips the unprocessed lens 1 waiting in a holding state. , Centering machine 2
To be processed by the centering machine 2.

During this processing, the delivery member 16
Is operated, and the storage member 15 is sent out by one pitch P of the lens array 23. Thereby, the nest 22 of the next stage reaches the supply position and stops. After that,
By repeating the above-described operation, the next lens row 2
3, the unprocessed lens 1 is held by the receiving member 18, and the processed lens 1 is returned.

In such an embodiment, since the lens array 23 in which the plurality of lenses 1 are horizontally arranged is provided in the storage member 15, the storage member 15 is sent out to supply the plurality of lenses 1 simultaneously. Can be supplied to the location. Therefore, the supply amount of the lens 1 increases, and the frequency of replacing the storage member 15 decreases. In addition, since the individual lenses are supplied to the centering machine 2 in a state where the plurality of lenses 1 have reached the supply position at the same time, it is not necessary to move the storage member 15 every time one lens 1 is processed. Thus, the labor for supplying the lens can be reduced.

In this embodiment, the nest 22 houses two lenses side by side, but the number of lenses is not limited to this, and more lenses 1 are housed side by side. You may do it. In addition, the receiving arm 49 of the receiving member 18 temporarily holds the unprocessed lens 1 that the pickup arm 36 of the pickup member 17 has attracted from the storage member 15 and delivers it to the delivery arm 53 of the delivery member 19. In this embodiment, the receiving member 18 can be omitted. In this case, the pickup arm 36 receives the lens 1 processed by the centering machine 2 from the transfer arm 53, and after the pickup arm 36 returns the lens 1 to the empty lens storage hole 22a of the storage member 15, the pickup 1 The pickup member 17 is moved by the feed member 20 to the work row 23.
Then, the pickup arm 36 sucks the unprocessed lens 1 from the storage member 15 and directly passes the unprocessed lens 1 to the transfer arm 53 of the transfer member 19 to supply the same lens 1 as described above. it can.

(Embodiment 2) FIG. 6 shows Embodiment 2 of the present invention. In this embodiment, the pickup member 1
7, two pickup arms 36 are provided. The two pickup arms 36 are arranged in the same direction as the rows of the lenses 1 arranged side by side in the lens row 23, and are arranged so as to have the same interval as the interval between the lenses 1 in the lens row 23. . Therefore, when the pickup member 17 descends, the two pickup arms 3
Numeral 6 can simultaneously attract two lenses in one lens row 23.

In addition, in this embodiment, a feed cylinder 58 is assembled to the receiving member 18. The feed cylinder 58 is attached to the distal end of the receiving block 48 so as to extend and contract in a direction perpendicular to the feed direction of the storage member 15. A receiving arm 49 is attached to the feed cylinder 58 so as to extend in the direction of the storage member 15. The feed cylinder 58 includes a receiving arm 49.
Extend and contract so as to face the individual pickup arms 36 of the two pickup arms 36. This allows
The receiving arm 49 can individually attract and receive the lenses 1 from the two pickup arms 36.

In this embodiment, when the delivery member 16 moves the storage member 15 by one pitch, the plurality of lenses 1 in one lens row 23 reach the supply position.
Then, the plurality of pickup arms 36 simultaneously take out the plurality of lenses 1 that have reached the supply position, and
The pick-up arm 49 sucks the lenses 1 picked up by the pickup arm 36 one by one. Therefore, the lenses can be supplied to the centering machine 2 one by one.

Therefore, also in this embodiment, the plurality of lenses 1 can be simultaneously supplied to the supply position by moving the storage member 15, so that the supply amount of the lenses 1 increases, and the frequency of replacing the storage member 15 is increased. Is reduced. Moreover, with the plurality of lenses 1 simultaneously reaching the supply position,
Since the individual lenses 1 are supplied to the processing machine, it is not necessary to move the storage member 15 each time one lens 1 is processed. Thus, the labor for supplying the lens can be reduced.

In this embodiment, the nest 22 may accommodate three or more lenses in a side-by-side manner. In this case, the number of the pickup arms 36 is provided in accordance with the number of lenses. By doing so, it can work similarly.

The present invention is not limited to the above embodiments, but can be variously modified. For example, as a processing machine, the present invention can be applied to an apparatus that performs processing other than the lens centering machine. In this case, a work of the type performed by the processing machine is used as the work. Further, a motor or another actuator may be used instead of the delivery cylinder 25, the pickup cylinder 32, the delivery cylinder 43, and the delivery cylinder 58.

[0062]

According to the first aspect of the present invention, since a plurality of works can be simultaneously supplied to the supply position by moving the storage member, the supply amount of the work increases, and the frequency of replacing the storage member is reduced. In addition, since each work is supplied to the processing machine in a state where the plurality of works have reached the supply position, it is not necessary to move the storage member every time one work is processed. Thus, the labor for supplying the work can be reduced.

According to the second aspect of the present invention, similarly, the work supply amount is increased, so that the labor for supplying the work can be reduced.

According to the invention of claim 3, claim 1 or 2
In addition to the same function as described above, the lens can be supplied to a centering machine for grinding the outer periphery of the lens.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a centering machine in which Embodiment 1 of the present invention is incorporated.

FIG. 2 is a perspective view of the first embodiment.

FIG. 3 is a perspective view of a storage member.

FIG. 4 is a sectional view of a nest.

FIG. 5 is a side view of the pickup member.

FIG. 6 is a perspective view of a second embodiment of the present invention.

FIG. 7 is a perspective view of a conventional work supply device.

FIG. 8 is a perspective view of a storage member used in a conventional work supply device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 lens 2 centering machine 4 tip toy 5 bell toy 15 storage member 16 sending member 17 pickup member 18 receiving member 19 transfer member 20 pickup sending member 21 storage plate 22 nesting 23 lens row 36 pickup arm 49 pickup arm

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takashi Watanabe 2-43-2 Hatagaya, Shibuya-ku, Tokyo F-term in Olympus Optical Co., Ltd. (reference) 3C033 BB04 BB10 HH01 HH15 HH26 MM01 PP07 PP09 3C049 AA02 AB03 CA01 CB03

Claims (3)

[Claims] 1. A work row in which a plurality of works are stored in a side-by-side manner, the work row having a storage member provided at an equal pitch along a longitudinal direction, and a pick-up arm for sucking the work. A pickup member for taking out the work from the storage member and storing the work in the storage member; a transfer member for reciprocating between the pickup member and the processing machine to transfer the work between the pickup member and the processing machine; A delivery member for intermittently delivering a storage member at every pitch of the work row, and a pickup member moving at a predetermined pitch along the work row so that the pickup arm sequentially faces individual works in one work row. A work supply device, comprising: a pickup feeding member. 2. A work line in which a plurality of works are housed side by side, wherein the work lines are provided at equal pitches along a longitudinal direction, and a plurality of works in one work line are simultaneously sucked. A pickup member for taking out the work from the storage member and storing the work in the storage member, and reciprocating between the pickup member and the processing machine to move the work between the pickup member and the processing machine. A delivery member for delivering the storage member intermittently to the pickup member at every pitch of the work row; and a receiving arm for sucking the work, wherein the pickup arm simultaneously sucks the receiving arm. And a receiving member that moves by a predetermined pitch so as to individually face a plurality of workpieces. Work supply apparatus according to symptoms. 3. The centering machine according to claim 1, wherein the processing machine is a centering machine that grinds the outer periphery of the work while rotating the work while clamping the work between a bell toy and a tip toy. Work supply device.