JPS6322392A - Driving device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automated device for driving fastening elements such as hooks and rivets into a workpiece.

[Prior art] The process of joining workpieces together with fastening elements such as hooks or rivets, or of driving small parts into workpieces one after another, is common in various industrial fields. It is something. In this type of driving process of fastening elements, etc.,
Various driving devices are used depending on the purpose of the process.

[Problems to be Solved by the Invention] When the orientation of the fastening elements, etc. to be driven is determined, each fastening element, etc. supplied in a predetermined posture can be held securely and the workpieces +, = A mechanism that can drive is required, but all conventional devices have the problem of complex structures and high production costs, so it is necessary to create a mechanism with such a driving function with a simple configuration. It would be extremely meaningful if this could be done.

[Means for Solving the Problems] The driving device of the present invention is a device that can drive a fastening element, etc., supplied in a predetermined posture, into a workpiece while reliably holding it in a predetermined posture. The provided main body and the fastening element etc. supplied in a predetermined direction into the slide hole are held in a holding structure on the front end surface and slid in the slide hole,
A slide body for driving the fastening element etc. into a workpiece outside the main body, a gate provided near the exit 11 of the slide hole of the main body and biased to return to the original position, and a holding structure for the slide body. It is characterized by comprising a holding means provided in the holding structure for holding the fastening element and the like to the holding structure.

[Function] The fastening element supplied in a predetermined attitude into the slide hole of the main body is pushed by the slide body sliding inside the slide hole and moves to the exit portion.

When the fastening element, etc. pushed by the slide body pushes open the gate at the exit part and passes through, it moves inward to the slide hole in order to return to its original position (as the gate, which is biased by -1, resists, The pushed fastening element etc. receives a reaction force and fits into the holding structure formed on the front end surface of the slide body.Then,
The fastening elements and the like are reliably held within the holding structure by the holding means, taken out of the main body by the slide body, and driven into a predetermined portion of the workpiece.

[Example] The driving device of the present invention is generally for continuously supplying and driving fastening elements, small parts, etc. to a workpiece,
Although it is conceivable that it may be used in a reasonable number of industrial applications, in this specification, the straps shown in FIGS. 6 to 8 are applied to the device as an example.

This string hanging device 1 has a string 4 attached to the neck 3a of a bottle 3 with a stopper 2.
This is a device that automatically seals the bottle 3 by rotating the hook and fixing the turned string 4 and H4 with a hook.

FIG. 5 shows a string 4 as a workpiece used in the device 1. A disc-shaped crown 5 is provided at one end of the string 4, and a knot 6 is provided at a portion of the string 4 near the crown 5.
is provided. The other end 4a of the string 4 is passed through this knot 6, forming a loop 7 of the string 4 that can be reduced by pulling the other end 4a of the string 4. In addition, a male member 8 of a hook 8 which is a fastening element is attached to the loop 7 of the string 4.
a is attached with the convex portion facing outward.

Next, these strings 4 and crowns 5 are packed into a cassette 9, which is a storage device, and are configured to be transported by a cassette conveyor IO.

Further, a take-out device 11 is provided above the cassette conveyor 10, and a check 7 driven by a motor M<
11 in the kayak 9 by 12 and the air cylinder 13.
The crown 5 can be picked up and transported to a predetermined working position.

Next, a frame stand 1 is placed next to the cassette conveyor lO.
4 is installed. The frame stand 14 is provided with a conveyor (not shown) for carrying in the bottle 3 as a workpiece, and a loading/unloading device 15 for carrying the bottle 3 into and out of the working position. The neck 3a of the bottle 3 is configured to be inserted into the loop 7 of the string 4 set in the working position.

Next, there are first, second and so on near the work position on the frame stand 14.
A third straightening device 16, 17, 18 is provided so that the shape and position of the string 4 carried together with the crown 5 by the extraction device 11 can be adjusted. The first straightening device 16 has a pair of straightening rods 19 and 19 that sandwich the long body part 4a of the other end 4a of the string 4, and a positioning plate 20 that can be raised and lowered. It is configured so that it can be bent and positioned. The second straightening device 17 has a pair of straightening claws 21 and 22 that sandwich the base of the loop 7 of the string 4, that is, the vicinity of the knot 6-1 from both the upper and lower and left and right directions. It is constructed in such a way that it can be corrected. Third correction device 1
8 includes a pair of pressing plates 23 that press the ring 7 from both left and right directions to bring the position of the ring to the center, and a pressing plate 24 that presses the ring 7 from the side opposite to the knot 6 to expand the collapsed ring 7. have.

Next, as shown in FIG. 7, a string opening device 25 is movably installed above the frame stand 14. The string opening device 25 has four claws 26 that can be opened and closed freely.
Insert this claw 26 into the loop 7 of the positioned string 4 and tighten the claw 2.
6 can be opened to increase the diameter of the ring 7.

Next, a knot pushing device 27 is installed next to the first straightening device 1B. The knot pushing device 27 has a slide rod 29 that moves linearly back and forth by a cylinder 28, and at the tip of the slide rod 29 there is a presser 30 that guides the long body portion 4a of the string 4 that has been positioned. is provided. The guide groove of the presser 30 is designed to catch the knot 6 of the string 4, so that the string knob rotation device 3, which will be described later,
When the knot 6 is pressed against the neck 3a of the bottle 3 by the presser 30, the knot 6 is pressed against the neck 3a of the bottle 3, and the loop 7 of the string 4 is pressed against the neck 3a of the bottle 3. neck 3
It will be tightened to a.

Next, next to the knot pushing device 27 is a string pinching rotating device 3.
1 is provided. As shown in FIGS. 6 and 8, an end plate 34 is fixed to the other end of the single guide cup 33.

A slide block 35 is slidably provided on the guide rod 33, and a hand 36 for gripping the string 4 is provided on the slide block 35 on the knot pushing device 27 side. A drive block 37 is slidably provided on the guide rod 33 and is detachably connected to a swing arm 38a of a row reactor 38 installed on the frame base 14. This drive block 37 and the slide block 35 are connected via a spring 39, and if the rotary actuator 38 is appropriately driven after the node 36 grips the long body portion 4a of the string 4, the string 4 The long body part 4a of the can be pulled. Furthermore, the motor 32 is driven with tension applied to the long body portion 4a, and the guide t4 is guided around the drive shaft of the motor 32.
33, the end plate 34 traces a trajectory as shown in FIG. The hook at the top is configured to be turned. Note that while the guide rod 33 is rotating, the drive bronck 37 is configured to engage with the end plate 34 and fix its position, so the long body portion 4a of the string 4 that is hooked around the stopper 2 becomes slack. Never.

Next, a honking device 40 as a driving device is provided on the opposite side of the string pick rotation device 31 with the bottle 3 set in the working position in between. The hooking device 40 of this embodiment includes a long body portion of a string 4 that is hung around the stopper 2 of a bottle 3;
This is a device that connects a loop 7 of a string 4 fastened to a neck 3a of a bottle 3 with a hook 8 which is a fastening element.

On the frame base 14 are a pair of horizontal guide bars 41, 41.
are placed parallel to each other. Both guide rods 41.41
A substantially rectangular plate-shaped hook fitting 42 is installed between the hook fittings 42 so as to be movable in the axial direction of the guide rod 41.41 by inserting a bearing portion 42a fixed thereto into the guide rod 41.41.

An air cylinder 43 is fixed to the frame base 14 below the hook fitting 42, and the air cylinder 43
The tip of the rod is connected to a mounting block 42b provided on the lower surface of the hook fitting 42.

When the air cylinder 43 is driven to advance the hook clasp 42, the front edge of the hook clasp 42 is positioned near the bottle 3 and string 4 set at the working position. A hook driving device 40 for driving the female member 8b of the honda 8 into the male member 8a of the string 4 is provided at the front end of the hook 42. As shown in FIGS. 1 to 3, the main body 44 of the hook driving device 40 is a prismatic component having a circular slide hole 45 oriented parallel to the axis of the guide rod 41, 41 inside. Hole 4
A Honda hitting tool 46, which is a cylindrical sliding body, is provided inside the cylinder 5 so as to be slidable in the axial direction. Slide hole 45
The inner diameter or the outer diameter of the Honda hitting tool 46 is set to be slightly larger than the outer diameter of the female member 8b supplied into the slide hole 45. Furthermore, a four part 47 is formed at the tip of the hook hitting tool 46 as a holding structure for the female member 8b.

The shape of the recess 47 matches the shape of the use part of the female member 8b, and holds the supplied female member 8b.
The concave fitting side of b is configured to face forward. Further, a permanent magnet 4 as an adsorption means is provided at the bottom of the four parts 47.
8 is provided to ensure that the female member 8b is held.

A groove 49 is formed in the front of the upper wall of the main body 44, and the female member 8b is inserted into the groove 49. A chute tube 50 is fixed to the main body 44 on the outer side of the groove 49 with its inner hole communicating with the groove 49 . As shown in FIG. 6, a parts feeder 51 is installed above the device 1 to feed the female members 8b in a predetermined orientation. Parts feeder 51
The supply pipe 51a extends downward, and the hook connection 4
At the retracted position 2, that is, the position where the female member 8b is loaded into the main body 44, the lower open end of the supply pipe 51a faces the upper open end of the chute pipe 50. The female member 8b is configured to pass through the supply pipe 51a and the chute pipe 50 with the recessed portion facing forward, and be supplied to the front of the hook hitting tool 46 in the main body 44.

In the vicinity of the outlet of the main body 44, gates 52 are provided on the top wall and the bottom wall, respectively, so as to be vertically rotatable. The gate 52 has a base 52a pivoted on both walls and the base 52.
It is constituted by a gate plate 52b protruding into the slide hole 45 from a. The gate plate 52b is provided so as to be substantially perpendicular to the inner peripheral wall of the slide hole 45, and this position is the closed position of the gate 52. A biasing means such as a spring is interposed in the pivot portion of the base 52a, so that when the two gate plates 52b are swung in the opening direction, that is, in the exit direction of the slide hole 45, the gate 52
The restoring force to return the gate to the closed position is generated by both gate plates 52b, 52.
b. Therefore, when the female member 8b is dropped and supplied between the hooking tool 46 and both gate plates 52b, 52b and the hooking tool 46 is advanced, the female member 8b pressed by the hooking tool 46 is moved to the gate plate 52b. , and receives the restoring force from the biasing member of the gate plate 52b, thereby ensuring that the gate plate 52b enters the four portions 47.

Next, the drive mechanism of the hook hitting tool 46 will be explained.

A locking Jf4S53 is protruded from the peripheral wall of the hook A46, and the locking rod 53 passes through slide grooves 44a formed on both sides of the main body 44 and projects to the outside of the main body 44.

On the other hand, a bracket member 54 for a bearing is protruded from the rear of the upper part of the outer surface of the main body 44, and a bearing member is fixedly installed on the bracket member 54 and the horn joint 42 near the side of the main body 44. A drive shaft 56 is rotatably provided between the drive shaft 55 and the drive shaft 55 . A substantially U-shaped swinging member 57 is provided above the main body 44 so that two operating plates 57a, 57a are in contact with both side surfaces of the main body 44. These actuating plates 57a
, 57a are inserted into and fixed to the drive shaft 56. Notch grooves 57b and 57b are formed in the lower edges of the operating plates 57a and 57a, respectively, and both ends of the locking rod 53 provided on the hook 46 are formed in both notch grooves 57b.
, 57b, respectively. A lower end portion of a lever 58 is fixed to the drive shaft 56 near the bearing material 55 .

The tip of a rod of an air cylinder 59 installed in the hook fitting 42 is rotatably attached to the upper end of the lever 58 via a clevis 59a. Therefore, if the air cylinder 59 is driven to pull the rod and the lever 58 is swung to rotate the drive shaft 56, the swiveling member 57 fixed to the drive shaft 56 will be hooked via the locking rod 53. Batting tool 4
6 will be advanced.

Next, a positioning device 60 is provided on the upper surface of the hook fitting 42. A link mechanism 61 in which strip-shaped links are combined in the shape of a parallelogram is provided behind the hole 42, and is supported by the link mechanism 61. Of the four joint parts P1 to P4 of the link mechanism 61, the working link 62 is pin-coupled to the joint part P2 near the rear end of the hook engagement 42, and the rear end of the working link 62 is interlocked and connected to the rod of an air cylinder 63 attached to the hook fitting 42. Near the rear end of the hook mounting stable 40, two links 64, 64 are rotatably supported on the hook mounting 42 with a pin, with their inner ends stacked on top of each other. Joint portions P3 on both sides of the link mechanism 61. Opening/closing links 65, 65 in the form of elongated bar plates are connected with pins between P4 and the outer ends of the two links 64, 64, respectively. The opening/closing links 65, 65 are disposed at positions sandwiching the main body 44 of the hook-setting device 40 from both sides, and their front ends protrude forward beyond the hook-setting device 42. A pair of rocking plates 66,66 are respectively provided at the front ends of the opening/closing links 65,65 so as to rotate in a plane parallel to the rotational plane of the link mechanism 61, and are supported by springs (not shown). They are urged back toward each other outwardly by urging means such as the like. The male part + which is provided in the loop 7 of the string 4 wrapped around the neck 3a of the bottle 3
A positioning plate 67° 67 for locking onto 88 a and accurately positioning it at a predetermined center position is attached to the swing plate 6.
6.66 are attached to the outer edge of the inner end side, respectively. When the rod of the air cylinder 63 is advanced with the hook engagement 42 advanced, the interval between the opening/closing links 65.65 is reduced and the opening/closing links 65.65 are moved backward, and the tip of the positioning plate 67.67 is It moves toward a predetermined center position while contacting the surface of the neck 3a of the bottle 3, hooks a male member 8a provided on the string 4, and carries it to the center position.

Next, a cutter device 68 for advancing and retracting a cutter 68a toward the neck 3a4 of the bottle 3 is provided below the honk meeting 42.

This cutter device 68 cuts the string 4 below the hook 8 which has become loose after the string 4 is hooked around the neck 3a of the bottle 3 and fixed with the honda 8 by the various devices described below. It is configured such that unnecessary parts of the string 4 are removed.

Next, focusing on the action of the hook driving device 40, the lanyard work performed by the lanyard device 1 described above will be explained.

The string 4 and i-J crown 5 are stored in a cassette 9 and conveyed by a cassette conveyor 10. A take-out device 11 picks up the crown 5 from the cassette 9 stopped at a predetermined take-out position and conveys it to a working position on a frame stand 14''. In the working position, the string 4 connects each orthodontic device 16,1
Shaped and positioned by 7.18. Then, the string opening device 25 operates to expand the diameter of the ring 7 of the string 4, and then the bottle 3 is brought to the working position from inside the frame stand 14 by the lifting device 15. When the neck 3a of the bottle 3 enters the positioned loop 7 of the string 4 and the string opening device 25 is retracted, the string picking rotation device 31 and the knot pushing device 27 are activated. H: The long body part 4a of 4 is grasped and pulled by the hand 36 of the string knob rotation device 31, and the knot pushing device 27
The presser foot 30 presses the knot 6 of the string 4 and presses the neck 3 of the bottle 3.
Since the string 4 is positioned at point a, the loop 7 of the string 4 is securely fastened to the neck 3a of the bottle 3. Subsequently, the motor 32 of the string knob rotating device 31 is activated, and the long body portion 4a of the string 4 pulled by the hand 36 is hooked onto the bung portion of the stopper 2 and turned.

Next, the hook driving device 40 and the positioning device 6° are activated. The air cylinder 43 operates and the hook hit 42 releases the bottle 3.
The main body 44 of the hook driving device 40 is moved in the direction of the plug 2.
The long part 4a of the twisted string 4 is pushed to bring the long part 4a close to the RF part 3a of the bottle 3. At this time, the positioning device 60 on the honk meeting 42 is set at the forward position. That is, as shown by the two-dot chain line in FIG. 2, since the air cylinder 63 is retracted and the opening/closing links 65, 65 are opened, the positioning plates 67, 67 have their tips wrapped around the neck 3a of the bottle 3. The string 4 is brought into contact with the surface of the ring 7.

Then, when the air cylinder 63 of the positioning device 60 pushes out the rod, the opening/closing links 65°65 move back while reducing the distance.

The positioning plate 67.67 moves to the center position of the ri part 3a (the driving position of the hook driving device 4o) while bringing its tip into contact with the loop 7 of the string 4 wound around the neck part 3a. Even if the male member 8a provided on the ring 7 is located at a position away from the center position, the male member 8a is hooked on the tip of the positioning plate 67°67, and the male member 8a is attached to the neck 3 along with the ring 7.
It rotates around a and is brought to the center position.

The female member 8b of the pock 8 supplied from the parts feeder 51 passes through the supply pipe 51a and the chute pipe 5° to the main body 4.
It is dropped into the slide hole 45 of No. 4 and in front of the hook A46. Here, the air cylinder 59 is operated to move the hook hitting tool 46 forward. 84 As shown in Figure 84, the female member 8
b is sandwiched between the gate 52.52 and the hook driver 46 and receives the resistance force of the gate 52.52, so the female member 8b
enters the four portions 47 at the tip of the hook driver 46 and is securely held by the permanent magnet 48. And female member 8b
is projected forward from the outside of the main body 44 with the recessed fitting portion facing forward. Since the female member 8b is driven into the male member 8a with the long body part 4a of the string 4 in between, the long body part 4a of the string 4 and the ring 7 are fastened together, and the stopper 2 is securely attached to the bottle 3. It will be fixed at

Next, the cutter device 68 is activated and the cutter 68a cuts the string 4
The remaining portion of the long body portion 4a is cut to an appropriate length. The hook striking device 40 and the positioning device 60 retreat, and the hook striking device 42 itself also retreats and returns to its original position. When the string 4 has been turned and fixed, the bottle 3 is lowered to the lower part of the frame stand 14 by the R lowering device 15. Thereafter, the reader 3 is carried out of the apparatus 1 by a belt conveyor.

In the above-described embodiments, the pock 8, which is a pair of the male member 8a and the female member 8b, is used as a fastening element, but the present invention is a fastening element that is driven into the work piece as a single piece. The present invention is applicable not only to fastening elements in a narrow sense, but also to small members that are generally supplied to and driven into a workpiece, but it may also be a convex portion depending on the shape of the fastening element or the like to be held. Further, in this embodiment, permanent magnets 48 are provided on the four parts 47 as holding means, but other means such as suction by vacuum force may be applied depending on the material of the fastening element etc. to be held.

[Effects of the Invention] The driving device of the present invention is provided with a holding structure on the front end surface of the slide body, and when the fastening element supplied in a predetermined posture is pressed against the slide body, the driving device receives the resistance force from the gate and holds the holding structure. It is configured to enter into a retaining structure, and retaining means are provided on the retaining structure to ensure retention of the fastening element or the like. Therefore, according to the present invention, it is possible to realize, with a simple configuration, a driving device that can reliably hold fastening elements etc. supplied one after another in a predetermined posture and continuously drive them into a workpiece. There is.

[Brief explanation of drawings]

FIG. 1 is an enlarged perspective view of essential parts in an embodiment of the present invention;
FIG. 2 is a plan view of the main parts in the same embodiment, FIG. 3 is a front view of the main parts, FIG. 4 is a sectional view showing the operation of the main parts in the same embodiment, and FIGS. b) is a front view and a plan view of the string used in the same embodiment, FIG. 6 is a front view showing the overall configuration of the same embodiment, FIG. 7 is a right side view, and FIG. 8 is a similar view. FIG. 3... Bottle as a workpiece, 4... String as a workpiece, 8... Hook as a fastening element, 40... Hook driving device as a driving device, 44... Main body, 45.
...Slide hole, 46...Hook as slide body, 47...Four parts as holding structure, 48.
...Permanent magnet as holding means, 52...Gate.

Claims (1)

[Claims] A main body provided with a slide hole and a fastening element, etc., supplied into the slide hole in a predetermined direction, are held in a holding structure on the front end surface and slid inside the slide hole, and are held against a workpiece outside the main body. A slide body into which the fastening element, etc. is driven, a gate provided near the exit of the slide hole of the main body and biased to return to its original position, and a fastening element, etc. provided on the holding structure of the slide body. A driving device comprising: a holding means for holding the holding structure on the holding structure.