JP2012081979A - Binding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To well bind a plurality of objects to be bound with a rubber band.SOLUTION: A binding machine has a winding device 9 for winding a rubber band 3 at an end of a plurality of long objects to be bound and binds the end of the plurality of objects by the winding device 9 with the rubber band 3. A binding space 28 for permitting ends of the plurality of objects to be bound to pass through is formed inside the winding device 9. In addition, a plurality of rubber band carrying claws 29 for opening the rubber band 3 is provided in the binding space 28 so that the claws can open/close. After the rubber band 3 is received while the plurality of rubber band carrying claws 29 are closed, the claws 29 are opened, thereby keeping the rubber band 3 open wider than the binding space 28 to hold the rubber band 3. The plurality of objects to be bound are inserted into the binding space 28 in this state. Thereafter, the rubber band 3 kept by the rubber band carrying claws 29 is disengaged, thereby binding the ends of the plurality of objects with the rubber band 3.

Description

  The present invention relates to a binding machine for binding end portions of a plurality of elongated objects to be bound with rubber bands.

  Conventionally, a long object such as a leek is provided as a product by bundling a plurality of long rubber bands around an end portion.

  Thus, the operation | work which binds the edge part of a plurality of elongate to-be-bound objects with a rubber band was mainly performed manually, and required a lot of labor and time.

  Therefore, there is a demand for the development of a binding machine (for example, refer to Patent Document 1) capable of mechanically winding a rubber band around the ends of a plurality of elongated objects to be bound.

JP 2002-128019 A

  In a binding machine that mechanically winds and binds rubber bands around the ends of a plurality of long objects to be bundled, the rubber bands are opened as in the case of manual work, and a plurality of objects are bound inside. By inserting the end portions of the bundles together and then closing the rubber bands, the end portions of the plurality of objects to be bound can be bound with the rubber bands.

  However, if the ends of the objects to be bound are caught by the rubber bands when the ends of the objects to be bound are collectively inserted into the inside of the open rubber bands, all the objects to be bound are placed inside the rubber bands. There is a possibility that it cannot be inserted and cannot be bound well.

  Therefore, in the present invention according to claim 1, a winding device that winds a rubber band around the end of a plurality of elongated objects to be bound is provided, and the ends of the plurality of objects to be bound are wound by the winding device. In a binding machine that binds rubber bands with a rubber band, a plurality of rubber band holding claws are formed in the winding device to form a binding space for inserting the ends of a plurality of objects to be bound and to open the rubber band in the binding space. After the rubber band is received with the plurality of rubber band holding claws closed, the rubber band is held larger than the binding space by opening the plurality of rubber band holding claws. In this state, a plurality of objects to be bundled are inserted into the inside of the bundling space, and thereafter, the rubber band is held by the rubber band holding claw so that the ends of the plurality of objects to be bundled are bundled with the rubber bands. It was to be.

  Further, in the present invention according to claim 2, in the present invention according to claim 1, the winding device holds a sheet-like label at an outer peripheral portion of the binding space, and ends of a plurality of objects to be bound. It was decided that it would be configured to bind with a rubber band through a label.

  Moreover, in this invention which concerns on Claim 3, in the said invention which concerns on the said Claim 1 or Claim 2, the said winding apparatus is the outward of the several rubber band holding nail | claw of the state closed inside the binding space. The rubber bands are supplied one by one from the rubber band supply device, and the rubber bands are received by opening a plurality of rubber band holding claws in this state.

  In the present invention, the rubber band is held in a state of being opened larger than the binding space, and a plurality of objects to be bound are inserted into the binding space in that state, and then the rubber band holding by the rubber band holding claw is released. As a result, since the ends of the objects to be bundled are bundled with rubber bands, when the ends of the objects to be bundled are inserted inside the opened rubber bands, the ends of the objects to be bundled are elastic bands. It is possible to bind a plurality of objects to be bound well with rubber bands.

The front view which shows the binding machine which concerns on this invention. FIG. The same side view. The block diagram. The front view (a), side view (b), side sectional view (c), and front sectional views (d) to (f) showing the winding device. The top view (a), front view (b), side view (c), side sectional view (d), and operation explanatory view (e) showing the rubber band supply device. The side view (a) which shows a label supply apparatus, front sectional drawing (b), operation | movement explanatory drawing (c).

  The specific configuration of the binding machine according to the present invention will be described below with reference to the drawings.

  As shown in FIG. 1 to FIG. 4, the binding machine 1 is configured by winding a rubber band 3 around the end of a long object 2 such as a plurality of leeks through a label 4. It is an apparatus used for binding the binding object 2.

  The binding machine 1 accommodates a transport device 6 for transporting a plurality of objects to be bound 2 inside a casing 5, and supplies a plurality of objects to be bound 2 to the transport device 6 on the upper right side of the casing 5. A measuring and feeding device 7 is provided, an end face aligning device 8 is provided at the center front end of the casing 5 for aligning the end portions of the plurality of objects to be bound 2, and a plurality of objects to be bound 2 are provided at the upper left portion of the casing 5. A winding device 9 for winding the rubber band 3 and the label 4 around the end of the belt, a rubber band supplying device 10 for supplying the rubber band 3 to the winding device 9, and a label for supplying the label 4 to the winding device 9. A supply device 11 is provided, and a control device 12 for controlling the transport device 6, the metering supply device 7, the end face aligning device 8, the winding device 9, the rubber band supply device 10, and the label supply device 11 is provided in the casing 5. Is housed inside.

  The transport device 6 receives a plurality of objects to be bound 2 supplied from the metering supply device 7 directly under the metering supply device 7, and casings the plurality of objects to be bound 2 received from the metering supply device 7 for each bundle. 5 is conveyed from the right end portion toward the left end portion, and discharged from the left end portion of the casing 5.

  The transport device 6 has a transport mechanism 13 that receives a plurality of bound objects 2 directly below the weighing supply device 7, and moves to the left from the receiving position so that a plurality of bound objects are moved by the end face aligning device 8. The end face alignment position for aligning the two ends, the winding position for moving the rubber band 3 and the label 4 with the winding device 9 by moving further from the end face alignment position to the left side, and further moving to the left side from the winding position. It is comprised so that it may move intermittently between the discharge positions discharged from the left end of the casing 5.

  Further, the transport device 6 is configured to hold the intermediate part and the end part of the plurality of objects 2 to be bound by the intermediate clamp mechanism 14 and the end clamp mechanism 15 at the winding position.

  The weighing supply device 7 detects that the bundled object 2 having a preset weight has been thrown in by the weighing mechanism 16 and feeds it from the supply mechanism 17 to the transport device 6 that stops at the receiving position for every predetermined weight. It is composed.

  The end face aligning device 8 extends the advancing / retracting rod 19 of the advancing / retracting mechanism 18 in the front-rear direction of the casing 5, and a disc-shaped pressing plate 20 is attached to the tip of the advancing / retreating rod 19.

  Then, the end face aligning device 8 drives the advancing / retracting mechanism 18 to gradually advance the pressing plate 20 back and forth toward the end face of the object 2 to be bound, thereby moving the end faces of the plurality of objects 2 to be bound together. By repeatedly pressing with the pressing plate 20, the end surfaces of the plurality of objects 2 to be bound that stop at the end surface alignment position are aligned.

  The winding device 9 can be moved up and down and back and forth by a moving mechanism 21, and the moving mechanism 21 moves forward (moves toward the rear side of the casing 5) from the initial position of the front upper portion of the casing 5 and the initial position. The receiving position for receiving the rubber band 3 and the label 4, the standby position for lowering from the initial position and waiting, and moving forward (moving toward the rear side of the casing 5) from the standby position, the rubber band 3 and the label 4 are attached to the object 2 to be bound. It is comprised so that it may move between the winding positions which wind.

  As shown in FIG. 5, the winding device 9 has three support bodies 23 attached at an interval of 120 degrees on the front side of a rectangular box-shaped base body 22 and an annular rubber band winding machine 24 mounted on the support body 23. Similarly, annular front and rear label winding machines 25 and 26 are attached, and an annular guide body 27 is attached to the front end portion of the front label winding machine 25.

  Thereby, the winding device 9 forms a substantially cylindrical internal space inside. As will be described later, this internal space becomes a binding space 28 that is used for binding the rubber bands 3 and the labels 4 by inserting the ends of the plurality of objects 2 to be bound.

  The rubber band winding machine 24 is for holding the rubber band 3 with three rubber band holding claws 29, and three ring rubber holding claw opening / closing mechanisms 31 are attached to the annular body 30 at intervals of 120 degrees in the circumferential direction. Each rubber band holding claw opening / closing mechanism 31 is provided with a rubber band holding claw 29 via a rubber band holding claw advance / retreat mechanism 32. Here, the tip end portion of the rubber band holding claw 29 is positioned in the gap 33 between the front and rear label winding machines 25 and 26.

  The rubber band winding machine 24 keeps the three rubber band holding claws 29 closed at the center of the binding space 28 by the rubber band holding claw opening / closing mechanism 31, and the three rubber band holding claws 29 are closed in this closed state. One rubber band 3 is supplied from the rubber band supply device 10 to the outside, and the front and rear side labels are opened by opening the three rubber band holding claws 29 outward from the outer periphery of the binding space 28 by the rubber band holding claw opening / closing mechanism 31. The rubber band 3 can be held in a gap 33 between the winding machines 25 and 26 with the rubber band holding claws 29 in a state of being opened larger than the binding space 28.

  Further, the rubber band winding machine 24 holds the rubber band 3 with the rubber band holding claws 29 in a gap 33 between the front and rear side label winding machines 25 and 26 in a state of being opened larger than the binding space 28, and then advances and retracts the rubber band holding claws. When the tip end portion of the rubber band holding claw 29 is moved backward from the gap 33 by the mechanism 32, only the rubber band 3 is prevented from moving back on the front end surface of the rear label winding machine 26. The rubber band 3 is detached from the tip portion, whereby the rubber band 3 can be released from being held by the rubber band holding claws 29.

  The front label winding machine 25 and the rear label winding machine 26 are circular with the three advancing / retracting cylinders 36, 37 and the advancing / retracting rods 38, 39 facing the center of the binding space 28, respectively. Attached at 120 degree intervals in the circumferential direction, press bodies 40 and 41 are attached to the forward and backward rods 38 and 39, and suction nozzles 42 and 43 are formed on the press bodies 40 and 41, and suction nozzles 42 and 43 are suctioned. The pump is connected.

  Here, the front label winder 25 and the rear label winder 26 form a label suction mechanism 44 for sucking and holding the label 4 at the outer periphery of the binding space 28 by suction nozzles 42 and 43 and a suction pump. In addition, a label push-out mechanism 45 for pushing the label 4 held at the outer peripheral portion of the binding space 28 by the forward / backward cylinders 36, 37, the forward / backward rods 38, 39 and the pressing bodies 40, 41 toward the bound object 2 is provided. Forming.

  In the rear label winding machine 26, slits 46 for opening and closing the rubber band retaining claws 29 in the annular body 35 are formed at intervals of 120 degrees in the circumferential direction.

  The guide body 27 is configured to collect a plurality of objects to be bound 2 at the center of the binding space 28 as a tapered surface whose inner peripheral surface is reduced in diameter toward the rear.

  As shown in FIG. 6, the rubber band supply device 10 has a rubber band container 48 for accommodating the rubber band 3 attached to the upper portion of the inclined base 47 and a rubber band discharge for discharging the rubber band 3 to the right side of the base 47. A machine 49 is attached, and a rubber band conveyor 50 for conveying the rubber bands 3 one by one is arranged in front of the rubber band discharger 49.

  The rubber band accommodating machine 48 attaches a cylindrical drum 51 to the base body 47 via a rotation mechanism 52, attaches a rotating plate 53 to the bottom of the drum 51, and can accommodate one rubber band 3 on the outer peripheral portion of the rotating plate 53. Eight notches 54 are formed at intervals of 45 degrees in the circumferential direction.

  The rubber band container 48 is formed with a discharge port 55 communicating with the rubber band discharger 49 on the right side of the bottom of the drum 51, and a single rubber band 3 stored in the notch 54 is discharged from the discharge port 55 by the wind pressure. A nozzle 56 for blowing out to 49 is provided.

  The rubber band discharger 49 forms a discharge passage 57 inclined from the discharge port 55 of the rubber band container 48 to the lower end portion, and also forms a stopper 58 and a slit 59 for locking the rubber band 3 at the lower end portion of the discharge passage 57. On the other hand, the nozzle 61 of the discharge mechanism 60 that blows the rubber band 3 toward the lower end portion by wind pressure is formed at the upper end portion of the discharge passage 57.

  The rubber band conveyor 50 has a hook 62 that locks the rubber band 3 attached to a moving mechanism 63 that can move back and forth and up and down, and the hook 62 is attached to the lower end of the discharge passage 57 of the rubber band discharger 49 by the moving mechanism 63. Thus, it is possible to move between a receiving position for receiving the rubber band 3 and a delivery position for transferring the rubber band 3 to the rubber band winding machine 24 within the binding space 28 of the winding device 9.

  The rubber band supply device 10 stores the plurality of rubber bands 3 accommodated in the drum 51 one by one in the notch 54 of the rotating plate 53 by rotating the drum 51 by the rotation mechanism 52 of the rubber band accommodating machine 48. Then, the rubber pressure is blown from the nozzle 56 to the rubber band discharger 49 through the discharge port 55, and the rubber band 3 is sent to the lower end of the discharge passage 57 by the wind pressure blown from the nozzle 61 in the rubber band discharger 49 and locked by the stopper 58 (see FIG. 6 (b).) In this state, the hook 62 is moved to the receiving position by the moving mechanism 63 of the rubber band conveyor 50, and the tip of the hook 62 is passed from the rear side to the front side of the rubber band 3 through the slit 59. Thus, one rubber band 3 is received at the tip of the hook 62, and then the hook 62 is moved to the delivery position inside the binding space 28 of the winding device 9 by the moving mechanism 63 and is closed inside the binding space 28. 3 Supplied to the tip outer side of the rubber band holding claws 29 (see FIG. 6 (e).).

  As shown in FIG. 7, the label supply device 11 has a suction drum 65 attached to a moving mechanism 64 that can move left and right via a rotating mechanism 66, and two suction ports 67 and 68 are provided in the suction drum 65. A suction mechanism 69 is connected to the suction ports 67 and 68, with an interval in the circumferential direction. A holder 70 that accommodates a plurality of labels 4 in an inclined manner is disposed above the suction drum 65. The label supply device 11 delivers the label 4 to the front and rear label winding machines 25 and 26 within the binding space 28 of the winding device 9 and the receiving position where the suction drum 65 receives the label 4 from the holder 70 by the moving mechanism 64. It is possible to move between delivery positions.

  Then, the label supply device 11 moves the suction drum 65 to the receiving position by the moving mechanism 64, brings the suction drum 65 into contact with the label 4 on the lower end surface of the holder 70, and in this state, the suction mechanism 69 removes the suction drum 65 from the suction port 67. By sucking, the end of the label 4 is attracted to the outer periphery of the suction drum 65, and then the suction drum 65 is rotated by the rotation mechanism 66, whereby the label 4 is wound around the outer periphery of the suction drum 65 and the suction mechanism 69 is rotated. Then, the label 4 is held on the outer periphery of the suction drum 65 by suction from the suction port 68, and then the suction drum 65 is moved to the delivery position inside the binding space 28 of the winding device 9 by the moving mechanism 64. The label 4 is supplied to the outer periphery of 28 (see FIG. 7C).

  The control device 12 is configured to appropriately control the transport device 6, the metering supply device 7, the end face aligning device 8, the winding device 9, the rubber band supply device 10, and the label supply device 11 according to a built-in program.

  The binding machine 1 is configured as described above, and the control device 12 includes a transport device 6, a metering supply device 7, an end face aligning device 8, a winding device 9, a rubber band supply device 10, and a label supply device 11. The rubber band 3 is bound to the end portions of the plurality of objects 2 through the label 4 by controlling as described in FIG.

  That is, the binding machine 1 first supplies a plurality of objects to be bound 2 having a preset weight to the transport device 6 by the weighing supply device 7.

  Next, when the binding device 1 receives a plurality of bound objects 2 from the weighing supply device 7 at the receiving position by the transport device 6, the binding device 1 transports the plurality of bound objects 2 to the end face alignment position.

  Next, the binding machine 1 aligns the end surfaces of the plurality of objects to be bound 2 stopped at the end surface aligning position by the end surface aligning device 8.

  Next, the binding machine 1 transports a plurality of bound objects 2 having end surfaces aligned from the end surface aligned position to the winding position by the transport device 6, and holds the intermediate portion of the bound objects 2 by the intermediate clamp mechanism 14. To do.

  Further, the binding machine 1 moves the winding device 9 from the initial position to the receiving position, and moves the suction drum 65 of the label supply device 11 from the receiving position to the delivery position. Label 4 is supplied.

  The supply of the label 4 stops the driving of the suction mechanism 69 of the label supply device 11 to stop the holding of the label 4 on the suction drum 65, and the front and rear side label winding machines 25 and 26 of the winding device 9 are stopped. This is done by starting the label suction mechanism 44 and starting the holding of the label 4 by the front and rear label winding machines 25 and 26.

  Thus, the binding machine 1 can hold one label 4 on the outer peripheral portion of the binding space 28 of the winding device 9.

  Further, the binding machine 1 moves the suction drum 65 of the label supply device 11 from the delivery position to the reception position, and moves the hook 62 of the rubber band supply device 10 from the reception position to the delivery position. The rubber band 3 is supplied to the device 9.

  The rubber band 3 is supplied to the outside of the tip end of the three rubber band holding claws 29 by positioning the hook 62 just above the three rubber band holding claws 29 closed in the binding space 28. The rubber band 3 is then provided, and then the three rubber band holding claws 29 are opened outward from the outer periphery of the binding space 28, so that the rubber band holding claws are formed in the gap 33 between the front and rear side label winding machines 25 and 26. This is performed by holding the rubber band 3 at 29 in a state of being opened larger than the binding space 28.

  Thereafter, the binding machine 1 moves the hook 62 of the rubber band supply device 10 from the delivery position to the reception position, and moves the winding device 9 from the reception position to the standby position. While holding the end portion, the winding device 9 is moved from the standby position to the winding position, and the end portions of the plurality of objects to be bound 2 stopped at the winding position are placed inside the binding space 28 of the winding device 9. Insert.

  At this time, since the rubber band 3 is opened outside the binding space 28, the end of the object 2 is not caught by the rubber band 3, and the label 4 is held on the outer peripheral surface of the binding space 28. For this reason, the end of the object to be bound 2 can be smoothly inserted into the binding space 28 without the end of the object to be bound 2 being caught by the label 4.

  Thereafter, the binding machine 1 winds the label 4 around the end of the object 2 to be bound by the front and rear label winding machines 25 and 26 of the winding device 9.

  The winding of the label 4 stops the driving of the label suction mechanism 44 of the front and rear side label winding machines 25 and 26 to release the holding of the label 4, and starts the driving of the label pushing mechanism 45 to press the pressing body 40. , 41, the label 4 is pushed out toward the object 2 to be bound. Here, the label extruding mechanism 45 drives the pressing bodies 40 and 41 in the order in which they are arranged in the circumferential direction so that the labels 4 are pushed out in order along the circumferential direction by the pressing bodies 40 and 41 so that the wrinkles in the label 4 It is prevented from forming.

  Thereafter, the binding machine 1 winds the rubber band 3 from the upper side of the label 4 around the end of the object 2 by the rubber band winding machine 24 of the winding device 9.

  The rubber band 3 is wound by retracting the rubber band retaining claws 29 of the rubber band winding machine 24 to release the rubber band 3.

  Next, the binding machine 1 releases the holding by the intermediate clamp mechanism 14 and the end clamp mechanism 15 and conveys it from the winding position to the discharge position by the conveying device 6, and the rubber band 3 and the label 4 are wound. A plurality of objects to be bound 2 are discharged.

  As described above, the binding machine 1 includes the winding device 9 that winds the rubber band 3 around the ends of the plurality of elongated objects 2, and the winding device 9 includes a plurality of winding devices 9. The end portion of the object to be bound 2 is configured to be bound by the rubber band 3, and a binding space 28 for inserting the end portions of the plurality of objects to be bound 2 is formed inside the winding device 9 and the binding is performed. A plurality of rubber band holding claws 29 for opening the rubber band 3 are provided in the space 28 so as to be openable and closable, and the plurality of rubber band holding claws 29 are received after receiving the rubber band 3 with the plurality of rubber band holding claws 29 closed. The rubber band 3 is held in an open state larger than the binding space 28, and a plurality of objects to be bound 2 are inserted into the binding space 28 in that state. By releasing the holding, the ends of the plurality of objects to be bound 2 are configured to be bound by the rubber band 3. .

  Therefore, in the binding machine 1 having the above configuration, when the end of the object to be bound 2 is inserted into the inside of the opened rubber band 3, the end of the object to be bound 2 is not caught by the rubber band 3, and a plurality The object 2 to be bound can be satisfactorily bound with the rubber band 3.

  Further, the binding machine 1 is configured such that the sheet-like label 4 is held at the outer peripheral portion of the binding space 28 and is bound by the rubber band 3 via the label 4 to the ends of the plurality of objects 2 to be bound. Yes.

  Therefore, in the binding machine 1 configured as described above, the end portions of the plurality of objects 2 to be bound can be bound together with the rubber bands 3 together with the labels 4.

  In the binding machine 1, the rubber bands 3 are supplied one by one from the rubber band supply device 10 to the outside of the plurality of elastic band holding claws 29 closed in the binding space 28. The rubber band 3 is received by opening the holding claw 29.

  Therefore, in the binding machine 1 configured as described above, the rubber bands 3 can be smoothly supplied to the winding device 9 one by one.

DESCRIPTION OF SYMBOLS 1 Binding machine 2 Bundled thing 3 Rubber band 4 Label 5 Casing 6 Conveying device 7 Metering supply device 8 End surface alignment device 9 Winding device 10 Rubber band supply device
11 Label feeder 12 Controller
13 Transport mechanism 14 Intermediate clamp mechanism
15 End clamp mechanism 16 Weighing mechanism
17 Supply mechanism 18 Advance / Retreat mechanism
19 Advance and retreat rod 20 Press plate
21 Moving mechanism 22 Base
23 Support 24 wheel rubber winding machine
25 Front label winder 26 Rear label winder
27 Guide body 28 Binding space
29 Rubber band retaining claws 30 Torus
31 Rubber band retention claw opening and closing mechanism 32 Rubber band retention claw advance / retreat mechanism
33 Gap 34,35 Torus
36,37 advance / retreat cylinder 38,39 advance / retreat rod
40,41 Pressing body 42,43 Suction nozzle
44 Label suction mechanism 45 Label extrusion mechanism
46 Slit 47 Base
48 Rubber banding machine 49 Rubber banding machine
50 rubber band conveyor 51 drum
52 Rotating mechanism 53 Rotating plate
54 Notch 55 Outlet
56 Nozzle 57 Discharge passage
58 Stopper 59 Slit
60 Discharge mechanism 61 Nozzle
62 Hook 63 Movement mechanism
64 Moving mechanism 65 Suction drum
66 Rotating mechanism 67, 68 Suction port
69 Suction mechanism 70 Holder

Claims (3)

In a binding machine that has a winding device that winds a rubber band around the end of a plurality of elongated objects to be bound, and that binds the end of a plurality of objects to be bound with a rubber band by the winding device,
Forming a binding space for inserting the ends of a plurality of objects to be bound inside the winding device, and arranging a plurality of rubber band holding claws for opening the rubber band in the binding space so as to be openable and closable,
After receiving the rubber band with the multiple rubber band retaining claws closed, the rubber band is held larger than the binding space by opening the multiple rubber band holding claws. A binding machine characterized in that the ends of the plurality of objects to be bound are bound by rubber bands by inserting the objects to be bound and then releasing the rubber band holding by the rubber band holding claws.   2. The winding device is configured to hold a sheet-like label at an outer peripheral portion of a binding space and bind the end portions of a plurality of objects to be bound together with rubber bands via labels. The binding machine described in 1.   The winding device supplies rubber bands one by one from the rubber band supply device to the outside of the plurality of rubber band holding claws closed inside the binding space, and opens the plurality of rubber band holding claws in that state. The binding machine according to claim 1 or 2, wherein the binding machine is configured to receive a rubber band.

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