JP2669426B2 - Automatic needle insertion device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic needle press-fitting device for press-fitting a large number of needles into, for example, a temple used in a loom.

[0002]

2. Description of the Related Art Generally, a loom is equipped with temples for pulling both ears of the cloth to the left and right immediately before weaving in order to suppress the rapid width shrinkage of the cloth due to weaving. A temple with needles is known in which a large number of needles that pierce the fabric are radially provided on the peripheral surface of the temple for the purpose of pulling both ears. In this temple with needles, as shown in FIG. 11, a large number of needles 2 are radially pressed into the outer peripheral surface of a temple ring 1. And this needle 2 is, for example,
Twenty-four needles 2 press-fitted in the circumferential direction of the temple 1 at intervals of 15 degrees are provided in five rows up and down, and a total of 120 needles 2 are press-fitted into the temple ring 1.

The operation of press-fitting the needle 2 into the temple ring 1 is performed by using a special jig, and the jig is provided with a rotatable chuck claw for holding the temple ring 1 on a worktable. An elevating arm having a seat for holding the needle 2 is mounted on the table coaxially with the chuck pawl. Then, the temple ring 1 is held horizontally by the chuck pawl, and the needle 2 is placed on the seat. Thereafter, the lifting arm is lowered to position the seat in the center hole 1A of the temple ring 1, and then the lever is operated. Thereby, the needle 2 on the receiving seat is horizontally slid by the projecting rod provided swingably in the elevating arm to press the needle 2 into the hole 3. After that, the chuck claws are rotated according to the pitch of the holes 3 to sequentially press the needles 2 into all the holes 3 of the temple ring 1 one by one and the needles 2 to the temple ring 1.

[0004]

However, the press-fitting operation of press-fitting the needle 2 by hand as described above requires a lot of man-hours and labor, is inefficient, and has a problem in that the needle 2 and the hole 3 of the temple ring 1 It is required that skill be required for the positioning of the needle 2 and that the press-fitting of the needle 2 be automated. However, in this automatic assembly, the needle 2 must be aligned in a certain direction with the tip of the needle 2 facing outward at the press-fitting position, and the position of the hole 3 of the temple ring 1 and the position of the press-fitting needle 2 must be exactly aligned. For example, it is impossible to press fit the needle 2 into the hole 3 of the temple ring 1.
The problem is how to exactly match the position of the temple ring 1 with the hole 3.

The present invention is intended to solve such a problem, and provides an automatic needle press-fitting device which can accurately press-fit the needle by accurately aligning the position of the needle to be press-fitted with the hole of the temple ring. The purpose is to

[0006]

In order to achieve the above-mentioned object, the present invention provides a rotary table which supports a ring-shaped work having a large number of holes radially formed toward the center in the circumferential direction. A rotary drive source that drives the rotary table, a detection unit that detects the position of a hole in the workpiece on the rotary table and controls the rotary drive source, and a lower end of the workpiece that is transported from the rotary table by the workpiece transport unit. Positioning and rotating means for holding the periphery horizontally while intermittently rotating the work at every pitch of the hole, a storage portion for storing a large number of needles to be pressed into the holes of the work, Supply means for sending out the needles to the outlet, aligning means for aligning the needles in a certain direction during the transfer from the storage section to the outlet, and inside the center hole of the work held by the positioning rotating means. Inserted A needle receiving member that can be moved up and down, a needle conveying unit that conveys a needle standing by at the outlet to the needle receiving member, and a needle press-fitting unit that press-fits the needle held by the needle receiving member into the hole of the work. To do.

[0007]

In the needle automatic press-fitting apparatus of the present invention, when the needle is press-fitted into the work, the position of the hole of the work on the rotary table is detected by the detecting means, and the rotary drive source of the rotary table is detected based on the detection signal. By controlling, the work is positioned in the circumferential direction, and the work thus positioned is transferred by the work transfer means to the positioning rotation means. On the other hand, the needle accommodated in the accommodating portion is sent out to the take-out port by the supply device, and is waited at the take-out port while being aligned in a certain direction by the aligning means during the transfer. Then, the needle at the take-out port is carried by the needle carrying means to the needle receiving member which is held by the positioning and rotating means and positioned coaxially with the work, and the needle is inserted into the center hole of the work as the needle receiving member descends. . On this occasion,
The needle held by the needle receiving member and the hole of the work held by the positioning rotation means are aligned with each other, and the needle is pressed into the hole of the work by the needle press-fitting means. When one needle is pressed into the hole of the work in this way, the positioning rotation means rotates by the pitch of the hole, the needle receiving member rises, and the needle waiting at the take-out port is again moved by the needle transport means. After being conveyed to the needle receiving member, the needles are sequentially pressed one by one into the holes of the work in the same procedure.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an automatic needle press-in device according to an embodiment of the present invention. The subject of assembly of the present invention is the temple ring 1 shown in FIG. 11 and the needle 2 press-fitted into the hole 3 of the temple ring 1 described in the prior art. The automatic press-fitting device for needles according to the present embodiment will be described mainly with reference to the perspective view of FIG. 1. The automatic press-fitting device includes a turntable 10 for supporting a temple ring 1 and a temple on the turntable 10 as detecting means. A sensor 20 for optically detecting the position of the hole 3 formed in the ring 1 and the temple ring 1 conveyed from the rotary table 10 are held and the temple ring 1 is arranged at each pitch of the holes 3 of the temple ring 1.
Positioning rotating means 30 for intermittently rotating the
A work transfer means 40 for transferring the upper temple ring 1 to the positioning / rotating means 30, and a hole 3 of the temple ring 1
A storage part 50 for storing a large number of needles 2 press-fitted into the storage part 50, a supply means 60 for sending the needles 2 in the storage part 50 to an outlet 56 of the storage part 50, and a needle 2 stored in the storage part 50. And a needle receiving member which is inserted into the center hole 1A of the temple ring 1 on the positioning and rotating means 30 and is arranged on the center line of the hole 3 formed in the temple ring 1. 80, a needle conveying means 90 for conveying the needle 2 waiting at the outlet 56 to the needle receiving member 80, and a needle press-fitting means 100 for pressing the needle 2 on the needle receiving member 80 into the hole 3 of the temple ring 1.
Etc.

More specifically, the rotary table 10 for supporting the temple ring 1 is composed of a disk-shaped base 11 and a motor 12 as a drive source for rotating the base 11, as shown in FIGS. Is done. The motor 12 is fixed to the inner surface of the main body frame 13, and the main body frame 13
Further, a flat plate-shaped pedestal 14 on which the temple rings 1 are stacked and placed is fixed so as to be planarly continuous with the base 11. The pedestal 14 has an extruding plate 16 that slides on the pedestal 14 by an air cylinder device 15 and the extruding plate 16.
A guide plate 17 having a U-shaped cross section for guiding 16 is assembled. On the lower surface side of the guide plate 17, the temple ring 1
A horizontal plate 17A having a larger diameter through hole 18 is fixed at a distance slightly wider than the height of the pedestal 14 and the temple ring 1, and the outer periphery of the temple ring 1 Three guide rods 19 are erected so as to surround them. Then, the temple rings 1 are stacked and stored between the guide rods 19, the temple ring 1 is placed on the receiving table 14 through the through holes 18, and the temple ring 1 on the receiving table 14 is pushed out. It is carried out to the rotary table 10 by the plate 16. In addition, as shown in FIG.
A concave notch 16A for positioning the temple ring 1 is formed at the tip of the rotary table 10.
The recess 11A is formed with a slightly recessed portion 11A for fitting and positioning the temple ring 1 carried out by the pushing plate 16.

The sensor 20 optically detects the light emitted from the light emitting member 21. In this embodiment, as shown in FIG. 3, two light emitting members 21 and two light emitting members 21 facing each other are provided.
Two sensors 20 are assembled. The sensor 20 and the light emitting member 21 are buried in a rising wall 22A which protrudes from a cover 22 covering the front peripheral edge of the base 11 so as to sandwich the base 11 of the turntable 10 therebetween. And extrusion plate 16
When the temple ring 1 is carried out by the base 11, the sensor 20 embedded in the rising wall 22A and the light emitting member 21 face each other on the same axis line with the temple ring 1 interposed therebetween.
The light of the light emitting member 21 passes through the hole 3 and reaches the sensor 20 only when the axis and the center lines of the two holes 3 provided on the front and back sides of the temple ring 1 overlap each other on a straight line. That is, the center lines of the two holes 3, the sensor 20, and the light emitting member 21.
When the axis line of is shifted, the light of the light emitting member 21 is shielded, the position of the hole 3 at the predetermined position thus preset is detected, and the temple ring 1 is moved based on the detection signal from the sensor 20. By operating the motor 12 of the rotating base 10 to be supported, the temple ring 1 on the rotating base 10 is accurately aligned and placed.

Next, the configuration of the positioning and rotating means 30 will be described mainly with reference to FIG. The positioning rotating means 30 has a chuck claw 31 which is divided into three parts which is opened and closed in the horizontal direction by a driving means (not shown), and a motor 32 which rotates these chuck claws 31. Each of the chuck claws 31 is spaced apart from the side of the rotary table 10 and is conveyed from above the rotary table 10 by the work unloading means 40. The center of each chuck claw 31 is the temple ring 1 Mounting step portions 31A are formed respectively. Then, the temple ring 1 conveyed by the work unloading means 40 is placed on each mounting step portion 31A with the chuck claw 31 slightly opened, and the chuck claw 31 is closed, so that the lower end peripheral edge of the temple ring 1 is held. Then, the temple ring 1 is held horizontally. In this way, the temple ring 1 held by the chuck claws 31 is intermittently rotated by the motor 32 at each pitch of the holes 3 in the process of press-fitting the needle 2 described later.

As shown in FIGS. 1 and 2, in the work carrying-out means 40, a slider 42 is arranged along a plurality of vertically parallel guide shafts 41 which are bridged over the main body frame 13 so that the slider 42 and the positioning rotation can be performed. An elevator 43, which is provided so as to reciprocate between the chuck claw 31 of the means 30 and has a built-in lifting mechanism (not shown), is fixed to the front surface of the slider 42. A horizontal mounting member 45 is fixed to the output shaft 44 of the elevator 43, and a drive device 47 having a pair of holding claws 46 is fixed to the back surface side of the mounting member 45. Thus, the work unloading means 40 is constructed. The slider 42 is driven by an air cylinder device (not shown), and the holding claw 46 is horizontally opened and closed by the drive device 47. The holding claws 46 are inserted inside the center hole 1A of the temple ring 1 in a closed state by the elevator 43, and opened by the driving device 47 to move the holding claws 46 to the inner peripheral surface of the center hole 1A. The temple ring 1 is abutted to hold the temple ring 1 horizontally. The temple ring 1 held by the holding claws 46 in this manner is chucked from the rotary table 10 by the elevator 43 and the slider 42.
Transferred to 31. On the other hand, the chuck claw 31
It is discharged from the rotary table 10 side to the temple ring 1 as shown in FIG.
The holding shaft 48 through which the center hole 1A of the holder is inserted is projected, and the temple ring 1 carried out by the slider 42 is held by the holding shaft 48.
By closing the holding claw 46 at the time of being positioned coaxially with the center hole 1A of the temple ring 1 that falls, the holding shaft
The temple rings 1 in which the needles 2 are press-fitted through the 48 are sequentially stacked and stored.

Next, a storage unit 50 for storing a large number of needles 2 press-fitted into the holes 3 of the temple ring 1, and a supply means 60 for sending the needles 2 in the storage unit 50 to an outlet 56 of the storage unit 50. The configuration of the aligning device 70 will be described with reference to FIGS. 6 and 7. A bowl-shaped saucer 51 made of a metal material such as aluminum is attached to the main body frame 13, and the inner peripheral surface of the saucer 51 has a U-shape formed from the bottom to the upper edge of the saucer 51. A spiral groove 51 </ b> A is formed over the notch 52. The spiral recessed groove 51A is set to a depth substantially equal to the diameter of the needle 2 and can be mounted on the needle 2 in the recessed groove 51A. At the bottom of the cutout portion 52, the base end of the feeding pipe 53 having a diameter slightly larger than the diameter of the needle 2 is fixed to the end of the groove 51A by a screw 54, and the feeding pipe 53 is provided.
The front end side of the is gradually extended downward from the fixing portion of the screw 54 to the front of the positioning rotating means 30. The tip of the feed pipe 53 is closed by a shaft-shaped sealing member 55, and the upper portion of the feed pipe 53 is left, leaving room for the needle 2 to face the inner end of the sealing member 55. The take-out port 56 for the needle 2 is formed by cutting out the needle 2 slightly longer than the entire length thereof, thus forming the accommodating portion 50 of the needle 2. The supply device 60 for sending out from the storage part 50 to the outlet 56 of the needle 2 is a vibrator 61 integrally attached to the lower part of the tray 51.
The vibrator 61 allows the tray 51 to be
The needle 2 housed in the tray 51 is vibrated and the concave groove 51
The inner peripheral surface of the pan 51 is spirally moved along A, and the needles 2 are fed into the feed pipe 53 one by one. In this case, a large number of needles 2 are accommodated in the saucer 51 in a scattered manner, and the needles 2 mounted on the concave groove 51A by the vibrator 61 are naturally sent without directivity. The direction of the needle 2 is regulated. This alignment device
Reference numeral 70 denotes a step-like projection 71 projecting from the peripheral surface of the groove 51A at an interval as shown in FIG. 6 and a lower end outer edge of the groove 51A adjacent to the front end of the step-like projection 71. It is configured by the inclined groove 72 that is physically omitted. The step-like protrusion 71 provided in the recessed groove 51A has an extremely small protrusion height such that it does not abut the tip of the needle 2.
The inclined groove 72 is also formed by slightly notching the outer edge of the lower end of the groove 51A.
There is room for the needle 2 to be placed on the inner edge of the lower end of 51A. Then, the needle 2 accommodated in the tray 51 is sent out by being mounted on the lower end edge of the concave groove 51A by the vibration from the vibrator 61, and the needle tip is directed forward in the traveling direction as shown in FIG. 7 (A). The needle 2 passes through the stepped protrusion 71, but the needle 2 with the base side of the needle 2 facing forward in the traveling direction is shown in FIG.
As shown in FIG. 7, the base end surface abuts on the step-like projection 71, falls from the inclined groove 72 by the vibration of the vibrator 61, and is returned to the bottom portion of the tray 51 again. In this way, the needle 2 delivered along the recessed groove 51A is aligned in a certain direction with the tip of the needle in the transport direction, and is delivered to the delivery pipe 53 from the recessed groove 51A.
The needle 2 that has passed through the inside of the pipe 53 hits the sealing member 55 and faces the outlet 56 and stands by.

Next, the structure of the needle receiving member 80 arranged at the press-fitting position of the needle 2 will be described mainly with reference to FIGS. 1, 8 and 9. A mounting frame 81 having a side plate 81A and a top plate 81B is mounted above the chuck claws 31. The side plate
A pair of guide frames 83 having a U-shaped cross-section receiving groove 83A that fits with a pair of rails 82 vertically provided on the inner surface side of the main body frame 13 are fixed to the outside of the main frame 13, and these rails 83 and the guide frames are fixed.
The mounting frame 81 is supported by the main body frame 13 so as to be vertically movable by fitting with 84. The mounting frame 81 is moved up and down by an air cylinder device 84 fixed to the main body frame 13. A cylindrical hollow elevating rod 85 for supporting the needle 2 coaxially with the chuck claw 31 is vertically provided on the back surface side of the top plate 81B. The elevating rod 85 has an opening 86 formed by partially cutting off the lower peripheral edge, leaving a bottom seat 85A, and a V-shaped groove for holding the needle 2 on the upper surface of the seat 85A.
87 are formed. The outer diameter of the elevating rod 85 is formed smaller than the center hole 1A of the temple ring 1. When the mounting frame 81 is lowered by the air cylinder device 84, the elevating rod 85 is moved into the center hole 1A. Is inserted into.
At this time, the receiving seat 85 arranged inside the center hole 1A is provided.
The groove 87 of A is set so as to be located on an extension line of the center line of one hole 3 of the temple ring 1 positioned and held by the chuck claw 31. In this way, the needle receiving member 80 is configured.

The structure of the needle press-fitting means 100 for press-fitting the needle 2 held by the needle receiving member 80 into the hole 3 of the temple ring 1 will be described mainly with reference to FIGS. 1 and 8. The mounting frame 81
A guide member 101 having a guide hole 101A is fixed on the back side of the slide member 102, and a slide body 102 is slidably fitted into the guide hole 101A. Then, on the back surface side of the slide body 102, a protruding rod 103 for vertically inserting the needle 2 into the hole 3 of the temple ring 1 is vertically provided. This protruding rod 103 is the lifting rod 85
Is formed into a pointed shape so that the lower end thereof is formed in a substantially V shape so as to extend along the groove 87. The slide body 102 is connected to an air cylinder device 105 mounted on the upper surface of the top plate 81B via a link arm 104.
The guide member 101 slides along the guide member 101, and the stopper member is suspended from the guide member 101 and the top plate 81B.
The slide body 102 is pushed back by the spring 107 mounted on the shaft portion 102A that integrally projects from the slide body 102 and is pushed back. Thus, the needle press-fitting means 10
0 is configured.

Further, as shown in FIGS. 1 and 10, the needle transport means 90 for transporting the needle 2 waiting at the outlet 56 to the needle receiving member 80 has substantially the same structure as the work transport means 40 described above. The transport frame 90A is fixed so as to be orthogonal to the main body frame 13, and a plurality of vertically parallel guide shafts 91 are attached to the transport frame 90A. A slider 92 is provided on the transport frame 90A along a guide shaft 91 so as to reciprocate between the outlet 56 and the needle receiving member 80. An elevating mechanism (not shown) is provided on the front surface of the slider 92. Elevator with built-in
93 is fixed. A horizontal mounting member 95 is fixed to an output shaft 94 of the elevator 93, and a driving device 97 having a pair of holding claws 96 whose distal end portions are bent downward is fixed to the upper surface of the mounting member 95. Thus, the needle unloading means 90 is constructed. The holding claw 96 of the needle conveying means 90 is closed in the opposite direction to the work conveying means 40 to hold and convey the needle 2.

Next, the operation of the present embodiment configured as described above will be described. The temple ring 1 is guided between the three guide rods 19 and is stacked and stored on the receiving stand 14, while the needle 2 press-fitted into the temple ring 1 is the receiving tray 51.
It is stored inside and is stored separately. Both the temple ring 1 and the needle 2 are conveyed to the press-fitting position of the positioning and rotating means 30. First, the conveyance of the temple ring 1 will be described. The temple rings 1 stacked on the pedestal 14 are carried out one by one to the rotary table 10 by the push plate 16 which is moved forward by the air cylinder device 15. The temple ring 1 is positioned by fitting into a circular recess 11A formed in the base 11.
As the pushing plate 16 advances, the second stacked temple ring 1 rises on the upper surface of the pushing plate 16 and is held by the through hole 18 of the horizontal plate 17A.
With the retreat, the temple ring 1 on the extruding plate 16 drops and is placed on the receiving table 14. After that, this operation is repeated. Then, the sensor 20 detects the position of the hole 3 of the temple ring 1 which is pushed out by the push-out plate 16 and horizontally placed on the base 11, and the motor 12 is operated based on the detection signal to rotate the base 11. .

The operation of the motor 12 will be described below. The sensor 20 and the light emitting member 21 are embedded in the cover 22 so as to face each other on the same axis, while the hole 3 of the temple ring 1 is provided.
Since the holes 3 having a diameter of 24 are formed at a pitch of 15 degrees, the center lines of the two holes 3 formed on the front and back sides of the temple ring 1 pass through the center of the temple ring 1 as shown in FIG. Temple ring 1
If the center lines of the two holes 3 overlap the axis lines of the sensor 20 and the light emitting member 21, the light of the light emitting member 21 passes through the holes 3 and is detected by the sensor 20. That is, the two holes 3 of the temple ring 1 conveyed to the base 11 by the push plate 16.
When the center line of the sensor and the axis of the sensor 20 and the light emitting member 21 are shifted,
If the temple ring 1 on the base 11 is rotated by the motor 12 so that the center line of the hole 3 and the axes of the sensor 20 and the light emitting member 21 coincide with each other, the position of the sensor 20 and the light emitting member 21 on the base 11 will be used as a reference. The position of the temple ring 1 can be accurately adjusted. Therefore, the temple rings 1 stacked on the pedestal 14 without orientation are accurately and surely positioned by the sensor 20 and the motor 12 operated by the detection signal of the sensor 20 when conveyed to the base 11. . Temple ring 1 positioned in this way
Is transferred to the positioning / rotating means 30 by the work transfer means 40.

The operation of the work transfer means 40 will be described below. The holding claw 46 is arranged coaxially with the temple ring 1 conveyed to the base 11, and is inserted into the center hole 1 </ b> A of the temple ring 1 with the holding claw 46 closed and closed by the elevator 43. The temple ring 1 is held horizontally by opening it left and right with the drive device 47. Then, the temple ring 1 held by the holding claws 46 is raised by the elevator 43, and the sensor 42 is moved by the slider 42.
While being accurately positioned by the motor 20 and the motor 12, it is transported in parallel above the chuck pawl 31. At this time, the chuck claw 31 is in an open state, and after the holding claw 46 is vertically lowered by the elevator 43, the holding claw 46 is closed so that the temple ring 1 is placed on the mounting step portion 31 of the chuck claw 31.
Get on A. Then, the chuck claw 31 is closed, and the lower end periphery of the temple ring 1 is held by the mounting step portion 31A to hold the temple ring 1 horizontally. Thus, the turntable 10
The temple ring 1 positioned by the
Transferred to 31.

Next, the conveyance of the needle 2 will be described. Saucer 51
The needle 2 accommodated therein has a notch in which the needle 2 accommodated in the tray 51 gradually moves along the concave groove 51A by the vibration of the vibrator 61 and spirally moves on the inner peripheral surface of the tray 51. Department
One by one is sent into the sending pipe 53 attached to 52. At this time, the needle 2 fed along the groove 51A is a step-like protrusion formed only in the groove 51A by the needle 2 with the needle tip facing forward in the traveling direction.
When the needle 2 is sent to the feed pipe 53 after passing through 71, but the needle 2 whose base side, which is the maximum diameter of the needle 2 is directed forward in the traveling direction, is conveyed, a step is formed to protrude into the concave groove 51A during the movement. The bumps 71 hit the step-like protrusions 71 to prevent the movement, and the vibrator 61 vibrates to move in the left-right direction.
A falls from the inclined groove 72 cut out at the lower edge of the A and returns to the bottom of the tray 51 again. In this way, only the needle 2 with the needle pointed in the transport direction is sent out to the pipe 53, and the pipe 53
Abuts on the sealing member 55 that closes the end of the container, faces the outlet 56, and enters a standby state. Then, the needle 2 standing by at the outlet 56 is conveyed by the needle conveying means 90 to the needle receiving member 80 at the press-fitting position.

The operation of the needle receiving member 80 will be described below. The holding claw 96 is disposed above the outlet 56, and the lower end of the holding claw 96 is opened by the elevator 93 while the holding claw 96 is open.
The needle 2 is lowered until it is positioned on both sides of the needle 2 that is on standby, and then the needle 2 is held by being closed inside by the driving device 97. The elevator 93 raises the holding claw 96, and the slider 92 positions the holding claw 96 in the opening 86 of the elevating rod 85 provided coaxially with the chuck claw 31. After that, the holding claw 96 is lowered again by the elevator 93 to drive the driving device.
The holding claw 96 is opened by 97, and the needle 2 held by the holding claw 96 is placed on the groove 87 of the elevating rod 85. After this, the holding claw 96 returns to the original standby position. After setting the needle 2 on the needle receiving member 80 in this way, the attachment frame 81 of the elevating rod 85 is lowered by the air cylinder device 84. At this time, the elevating rod 85 is inserted into the center hole 1A of the temple ring 1 held by the chuck pawl 31. The axis of the mounted needle 2 coincides. The lifting rod 85 is moved by an air cylinder device 105 attached to the upper surface of the top plate 81B.
The protrusion rod 103 provided inside is protruded by the link arm 104, and the needle 2 placed in the groove 87 is press-fitted into the hole 3 of the temple ring 1. When the needle 2 is press-fitted into one hole 3 in this manner, the chuck claw 31 rotates horizontally by 15 degrees corresponding to the pitch of the holes 3 of the temple ring 1, and thereafter, the ejection port 56 is operated by the same operation. The needle 2 that is waiting at is conveyed by the needle conveying means 90 into the groove 87, and the needles 2 are sequentially press-fitted into the holes 3 arranged in the lateral direction on the entire circumference of the temple ring 1, and finally the temple ring 1
The needle 2 is press-fitted into the hole 3 around the entire circumference of the needle. When the needle 2 is press-fitted into the hole 3 provided on the entire circumference of the temple ring 1, the holding claw 46 of the work transfer means 40 is again positioned above the chuck claw 31, and the temple ring 1 into which the needle 2 is press-fitted is fixed. After holding with the holding claw 46, the chuck claw 31 is opened, and the holding claw 46 is lifted up and down by the elevator 43.
The slider 42 transfers the chuck claw 31 to the rotary table 10, but when the temple ring 1 passes over the holding shaft 48,
Hold the temple ring 1 coaxially with the holding shaft 48 with the holding claw
Temple ring 1 with 46 open and dropped, and needle 2 pressed in
Are passed through the holding shaft 48 and sequentially stacked and stored.

The outer periphery of the temple ring 1 is tapered, so that not only the length of the needles 2 to be press-fitted into each row arranged in the lateral direction is different, but also the protruding rod 10 for press-fitting the needles 2.
Since the press-fitting stroke of 3 is also different, there are 5 holes in the top and bottom 3
In order to press fit into all the needles 2 of the above, an automatic press fitting device corresponding to each row is provided, and the holes 3 are press fit into each row. That is, when the needle 2 is press-fitted into the upper hole 3, the needle 2 is transferred to another automatic press-fitting device that presses the needle 2 into the lower hole 3 so that the needle 2 is press-fitted into all the upper and lower five rows of holes 3. I have.

As described above, according to the configuration of the above embodiment, the needle 2 can be press-fitted into the hole 3 formed in the temple ring 1 without labor and time. Moreover,
The temple rings 1 piled up on the pedestal 14 are carried out one by one to the rotary table 10 by the pushing plate 16, and the position of the hole 3 of the temple ring 1 placed on the rotary table 10 is detected by the sensor 20. Base on the detection signal
11 rotates the temple ring 1 positioned in the circumferential direction to the press-fitting position.
While the needle 2 is pressed into the temple ring 1
Is a step-like projection formed in the groove 51A only by the needle 2 with the needle tip facing forward in the course of being gradually transferred along the groove 51A formed in the inner peripheral surface of the tray 51 by the vibration of the vibrator 61. The needle 2 passing through 71 toward the feeding pipe 53, and conversely, with the base side of the needle 2 facing forward in the traveling direction, abuts against the stepped projection 71, stops, falls from the inclined groove 72, and again reaches the bottom of the saucer 51. Since the needle 2 is returned and only the needle 2 whose tip is directed in the transport direction is transported to the outlet 56, the needle 2 with the aligned needle tip can be transported to the needle receiving member 80 by the needle transport means 90, As a result, the position of the needle 2 is aligned with the hole 3 of the temple ring 1, and the needle 2 is inserted by the needle press-fitting means 100 into the hole 3 of the temple ring 1.
Can be press-fit accurately.

Although one embodiment of the present invention has been described in detail above, the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example,
The detailed structure of each means is not limited to the above embodiment. In addition, needle storage sections having different lengths corresponding to the five rows of holes are provided above and below the temple ring. For example, after the needles are pressed into the uppermost row of holes, the second row of needles are supplied. If the stroke of the needle press-fitting means for press-fitting the needles is sequentially changed in accordance with the needles in the second row, it is possible to press-fit the needles into all the holes of the temple ring with one press-fitting device.

[0025]

According to the present invention, a rotary table for supporting a ring-shaped work having a large number of holes radially formed toward the center in the circumferential direction, a rotary drive source for driving the rotary table, and the rotary machine. Detecting means for detecting the position of the hole of the work on the table and controlling the rotary drive source, and holding and horizontally holding the lower end peripheral edge of the work conveyed by the work conveying means from the rotary table and holding the work horizontally. Positioning rotation means for intermittently rotating the hole at every pitch of the hole, a storage section for storing a large number of needles press-fitted into the holes of the work, and a supply means for sending out the needles in the storage section to an outlet, Aligning means for aligning the needles in a certain direction during transfer from the storage part to the outlet, a vertically movable needle receiving member inserted into the center hole of the work held by the positioning and rotating means, Wait at the exit A needle carrying means for carrying the needle to the needle receiving member, because the needle held by the needle receiving member is intended to include a needle injection means is press-fitted into the hole of the workpiece,
It is possible to provide an automatic needle press-fitting device capable of accurately press-fitting the needle by accurately aligning the position of the press-fitting needle with the hole of the work.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing one embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the work transfer means according to the first embodiment;

FIG. 3 is a plan sectional view showing the vicinity of the turntable.

FIG. 4 is a partially cutaway front view showing the vicinity of the positioning rotation unit.

FIG. 5 is a front view showing a discharge point of the temple ring.

FIG. 6 is a perspective view showing the storage unit.

FIG. 7 is a cross-sectional view showing the aligned state of the upper needles.
FIG. 7A is an explanatory view showing a state in which the needle tip is directed to the front side, FIG.
(A) is an explanatory view of a state in which the base end side of the needle faces forward.

FIG. 8 is a partially cutaway front view showing the vicinity of the needle receiving member.

FIG. 9 is a plan sectional view showing the vicinity of the needle receiving member.

FIG. 10 is a cross-sectional view showing the same needle transport means.

FIG. 11 is a perspective view of the temple.

[Explanation of symbols]

 1 Temple ring (workpiece) 1A Central hole 2 Needle 3 Hole 10 Rotating table 12 Motor (rotational driving means) 20 Sensor (detection means) 30 Rotating means 40 Work transfer means 50 Storage section 56 Ejection port 60 Supplying means 70 Aligning means 80 Needles Receiving member 90 Needle conveying means 100 Needle press-fitting means

Claims (1)

(57) [Claims] 1. A rotary table for supporting a ring-shaped work having a large number of holes radially formed toward the center in the circumferential direction, a rotary drive source for driving the rotary table, and a work on the rotary table. Detecting means for detecting the position of the hole and controlling the rotary drive source, and holding the work edge conveyed by the work conveying means from the rotary table by the lower edge periphery and holding the work horizontally while holding the work piece in the hole. Positioning rotation means for intermittently rotating at every pitch, a storage section for storing a large number of needles press-fitted into holes of the work, supply means for sending out needles in the storage section to an outlet, and Aligning means for aligning the needles in a certain direction during transfer to the take-out port, a vertically movable needle receiving member inserted into the center hole of the work held by the positioning and rotating means, and waiting at the take-out port In front of the needle An automatic press-fitting device for a needle, comprising: a needle conveying means for conveying the needle to the needle receiving member; and a needle press-fitting means for press-fitting the needle held by the needle receiving member into the hole of the work.