JPH0637105U - General purpose binding machine - Google Patents

Abstract

(57) [Summary] [Purpose] Even for bundled objects such as notched flowers that are easy to spread,
(EN) Provided is a general-purpose binding machine capable of effectively binding a string-guiding needle and binding with a good tightness. [Structure] A needle 6 for winding and guiding a binding cord 4 around an object to be bound placed and transferred along the working table 7 is provided on the working table 7.
And a bundling mechanism 3 for bundling the strings supplied by the needles 6 below the work table 7.
A one-rotation clutch mechanism interposed between the drive motor and the bundling mechanism 3 is configured to enter and operate by electrical control,
A fixed abutting member 66 that receives and supports the objects to be bound that are placed and transferred is provided at the binding action point on the work table 7, and the objects to be bound are bundled in cooperation with the fixed abutment member 66. A pressing portion 67 for pressing is provided on the needle 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a general-purpose bundling machine for bundling cut flowers, soft vegetables, boxes, etc., and more particularly, a guide for winding a bundling string around an object to be bound and placed along a workbench. The needle is installed above the workbench, and the binding mechanism that binds the string supplied by the needle is placed below the workbench, and the one-rotation clutch mechanism interposed between the drive source and the binding mechanism is electrically operated. The present invention relates to a general-purpose binding machine configured to be entered and operated by dynamic control.

[0002]

[Prior art]

 Recently, we have rationally improved the discharge straw bundling device used for combine, binder, etc., which is a conventionally well-known mechanism, and perform a bundling operation based on a switch operation using an electrically controlled one-rotation clutch mechanism. A general-purpose binding machine has been put into practical use that can bind cut flowers and soft vegetables without damaging them with a rubber cord.However, in the conventional general-purpose binding machine, the covered objects are placed along a work surface composed of a flat surface. While the bundle is placed and transferred, the passage detection contact piece, which is arranged so as to project upward from the workbench, is abutted and swung by the bundle and the start switch for binding operation is activated. It was configured to operate (see, for example, Japanese Patent Application No. 3-120733 by the applicant).

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional structure, when the work to be bound is transferred to the binding string that vertically penetrates the workbench and the switch detection operation is performed, the string is wound by the needle and the binding operation is performed. For example, when bundling a plurality of cut flowers etc. as a product, it is possible to make sure that there is no gap in the part where the operator holds it, but at the part where the bundling action occurs, each cut flower is cut due to the interference of the branches and leaves. There is a possibility that the stems will be separated from each other and a gap will be created, and that there will be such a gap even when the binding operation is performed with the rubber cord, so the tightening will be loose and a firm binding cannot be performed, and there is room for improvement. was there. The present invention aims to solve the above-mentioned problems.

[0004]

[Means for Solving the Problems]

 A characteristic configuration of the present invention is that, in the general-purpose binding machine described at the beginning, a fixed abutment member for receiving and supporting a bound object to be placed and transferred is provided at a binding action position on the workbench, and the fixed The needle is provided with a holding portion for holding the objects to be bound in a bundled state in cooperation with the contact member.

[0005]

[Action]

 Place the object to be bound along the workbench, transfer it until it hits the fixed abutment member, and start the one-rotation clutch mechanism.The needle swings from the upper side, and the binding string moves to the binding mechanism. The cord is wound around the object to be bound while being supplied toward it.During this binding operation, the binding action part of the object to be bound is pressed in a bundled state by the fixed abutment member and the holding part provided on the needle. Therefore, even if it is a cut flower or the like that tends to spread due to branches and leaves, it will be surely bound with no gaps.

[0006]

[Effect of device]

 Therefore, by effectively utilizing the needle that swings to guide the tying cord around the object to be bound, a general-purpose tying machine that does not create a gap in the tying action part and can perform tying operation with good tightness. Has come to offer. Moreover, since the workbench is provided with the fixed abutment member, there is an advantage that it is easy to reliably position the object to be bound at the binding action point and the workability is improved.

[0007]

【Example】

 Embodiments will be described below with reference to the drawings. 1 to 4 show a general-purpose binding machine for binding a bundled object a such as cut flowers, leeks, and soft and long vegetables such as asparagus using a rubber cord. This binding machine is provided with an electric motor 2 as a drive source and a knotting mechanism 3 inside the box body 1, and a winding cord storage portion 5 in which a binding rubber cord 4 is wound and stored above the outside of the box body 1. And a needle 6 for feeding out the rubber cord 4 from the winding cord storage portion 5 at a high speed and supplying the rubber cord 4 toward the knot mechanism 3, which is to be bound along the upper workbench 7 of the box body 1. A is artificially placed and supplied to perform binding operation. A transmission belt 14 is stretched over a pulley 9 provided on the output shaft 8 of the electric motor 2 and a pulley 13 provided on a relay shaft 12 supported by a bearing member 10 standing from the bottom of the box body 1. , A gear 15 provided on the relay shaft 12 and a large-diameter gear 17 which is fitted onto the driven shaft 16 so as to freely rotate are engaged with each other, and a one-rotation clutch is provided between the large-diameter gear 17 and the driven shaft 16. The mechanism 18 is interposed. A driven crank mechanism 19 for driving the needle 6 is provided at one end of the driven shaft 16 and interlockingly connected to a drive shaft 21 of the knot mechanism 3 via a bevel gear mechanism 20 provided at the other end. It is a branch transmission.

The needle 6 is provided so as to be exposed upward from the workbench 7, and is pivotally supported by a needle support case 28 protruding upward from the workbench 7 so as to be swingable around a horizontal axis X1. . That is, the support boss portion 30 extends cantilevered from the needle support case 28, the rotating shaft 29 is disposed in the boss portion 30, and the needle 6 is connected to the shaft end. Then, inside the needle support case 28, the drive arm 32 attached to the rotation shaft 29 and the crank mechanism 19 are interlockingly connected via the push-pull rod 33, and the crank mechanism 19 drives the drive arm 32, that is, The needle 6 is oscillated over a predetermined range to supply the rubber cord 4 to the knot mechanism 3. Further, the needle 6 is urged to return to the upper standby position by a spring 34 arranged in the needle support case 28, and when the one-rotation clutch mechanism 18 is in the disengaged state, The elastic force prevents the vehicle from stopping at an unstable position displaced downward from a predetermined standby position.

As shown in FIG. 1 to FIG. 3 and FIG. 9, the winding cord accommodating portion 5 rotatably supports a winding cord 36 by a supporting member 35 fixed to the supporting boss portion 30 and also supports the supporting boss. A string guide rod 37 that acts on the payout string and a pair of string guide rollers 39 and 40 are attached to the needle side portion of the portion 30. The payout string is wound around the proposed roller 40 located on the lower side of the string supply once and then supplied to the needle 6. The string guide hole 37a of the string guide rod 37 is a long hole which is long in the lateral direction, and is set so as not to come into sliding contact with the lateral end when the string is unwound so that the unwound resistance does not change. is there. When the cord is consumed and the outer diameter of the cord is reduced, it is slidably contacted with the upper side to increase the feeding resistance. Further, a friction brake member 60, which slides on the outer peripheral surface of the winding cord 36 by its own weight, is swingably supported and arranged. The winding start point on the inner peripheral side of the winding string 36 is aligned with the location of the brake member 60 so that the brake member 60 can effectively act up to the final end of the string. Further, instead of setting the winding start end portion of the cord in this way, the winding tubular portion for winding the cord may be made of the same material as the rubber cord. As shown in FIG. 11, the bundling rubber string 4 has a strip-shaped rubber plate body 4a having a string-like unevenness 4b continuous in the longitudinal direction on the surface of the band-shaped rubber plate body 4a to improve the sliding in the longitudinal direction. It is configured so that an appropriate tension force can be obtained in a state where the objects a are bundled.

The knot mechanism 3 is provided in a knotter bill type, holds and holds one end of the rubber cord 4, and puts a new cord portion supplied by the needle 6 and a cord portion on the held side in an overlapping state. A string holder 42 to be set and a knotting building 43 for knotting by winding both overlapping string portions as described above are provided, and the string holder 42 and the knotting building 43 have their rotation drive axes parallel to each other. Are arranged in this way and supported by a support bracket 44, and a pair of timing gears 45, 46 for driving them are attached to the knot drive shaft 21.

At the position near the upper side of the knot building 43, when the cord winding operation of the knot building 43 is performed, that is, the rubber cord portion clamped and held by the cord holder 42 and the bundled object are wound. A string guide member 47 is provided for holding each of the cord portions at a predetermined actuated position when the cord is wound to form a knot, and after the cord winding operation by the knot building 43 is completed, There is provided a moving means A for moving the string guide member 47 in a direction substantially orthogonal to the string supply direction of 6. More specifically, as shown in FIG. 10, the string guide member 47 is provided in the shape of a plate that covers the upper part of the knotted building 43, and the two string parts are inserted and engaged along the moving direction of the object to be bound a. A stop recess 48 is formed and is pivotally supported on the supporting bracket 44 by a swing support arm 49 so as to be swingable around an axis along the axial direction of the knot drive shaft 21. The swing support arm 49 is urged by a spring 50 to swing toward the above-described working posture, and a cam follower 52 is abuttingly engaged with a cam 51 provided on the knot drive shaft 21, so that the working posture and the knot building can be obtained. The moving means A is configured so as to swing and move so as to retract from the upper position. In this way, when the string guide member 47 is switched to the retracted position while being wound by the knot building 43, the string comes off from the knot building 43 and the knot operation is completed. As shown in FIG. 10, a cutout recess 47a having a shape substantially conforming to the outer shape of the knot building 43 is formed at the lower end of the string guide member 47 in the moving direction. With this structure, even when a thick rubber cord having a large tension is used, the rubber cord 4 is pulled out while directly handling the cord portion wound around the knotting bill 43, so that a sufficient knot is formed. There is an advantage that the knot operation can be performed in this state. The rotation shaft 29 of the needle 6 is arranged so as to be positioned above the center of the rotation axis of the knot building 43 and the rotation axis of the string holder 42, and the rubber string 4 is connected to the knot building 43 and the string. It is supplied to the holder 42 at a substantially uniform level, and the needle support case 28 is provided in an inclined posture so that a large knot space can be secured. In the vicinity of the string guide member 47, there is provided a string pulling member 53 which can be switched between a stop position for closing the entrance part of the locking recess 48 and a position for opening the entrance part, and a string by the knot building 43. Attitude switching means B is provided for switching the string-pulling member 53 to a position that prevents the cord-pulling member 53 from coming off during the winding operation. That is, as shown in FIG. 8, the string biasing member 53 is pivotally supported on the support bracket 44 so as to be swingable about an axis X2 orthogonal to the axis of the knot drive shaft 21, and is moved toward the open position by the spring 54. The cam follower 55 is connected to the cam 56 provided on the knot drive shaft 21 so that the cam follower 55 is switched and rocks. Further, between the knot building 43 and the string holder 42, a string inner plate 57 is provided for restricting the rubber string 4 whose one end is held by the string holder 42 to a predetermined standby position when the needle 6 is retracted. The cord guide plate 57 is arranged so as to approach the outer end rotation locus of the cord cutting cutter 58 provided in the cord holder 42 with a minute gap smaller than the thickness of the rubber cord.

A fixed abutting member 66 for receiving and supporting the object a to be bound a to be placed and transferred is provided at a binding action portion of the work table 7, and the fixed abutment member 66 cooperates to bind the bound a. The needle 6 is provided with a pressing portion 67 for pressing the objects in a bundled state. That is, a pressing portion 67 for pressing the bundled objects a in a bundled state in cooperation with the fixed contact member 66 is integrally formed at a portion of the needle 6 facing the bundled object in the string supply operation posture. In this way, when binding cut flowers and the like, it is possible to reliably bind the objects to be bound, which are bundles of a plurality of stems, at the binding action point, and perform a tight binding operation.

As shown in FIGS. 4 and 5, in the one-rotation clutch mechanism 18, a pawl clutch 22 is provided between the boss portion of the large-diameter gear 17 and the driven shaft 16, and the pawl clutch 22 has a pawl clutch 22. The clutch plate 23 is set between the driven-side meshing portion 22a and the driving-side meshing portion 22b by pushing the locking plate 23 from the upper side toward the inner side in the axial radial direction with a pressing force. The clutch plate 23 can be set in the clutch-engaged state by swinging the locking plate 23 in a direction away from the pawl clutch 22 by driving the electromagnetic solenoid 25 via the operating plate 24. Immediately after the clutch is engaged, the electromagnetic solenoid 25 is disengaged and actuated, and when the driven shaft 16 makes one revolution, the locking plate 23 is engaged along the inclined cam surface 26 formed on the outer peripheral surface of the driven side meshing portion 22a. Accordingly, the driven side meshing portion 22a is gradually slid to the clutch disengagement side and is rotationally driven only once. The electromagnetic solenoid 25 is configured to be turned on and off for only a short time by the operation of either the foot switch SW1 or the hand switch SW2 arranged at the foot of the operator. A changeover switch SW3 is provided which can be switched between a state in which the foot switch SW1 is used and a state in which the hand switch SW2 is used. The hand switch SW2 is configured so as to automatically enter and operate when it comes into contact with the object to be bundled a to be supplied at the position where the object to be bound a is placed and supplied.

Next, a binding operation procedure will be described. The operation procedure is shown in FIGS. The end of the rubber cord 4 is clamped and held by the cord holder 42, and from the standby state in which the needle 6 is in the upper standby position, the object to be bound a is placed on the work table 7 and supplied along the lower side of the cord. Then, when the bound object a approaches the binding action point, the bound object a comes into contact with the operating contact piece 27 of the hand switch SW 2, the switch is actuated, and the one-rotation clutch mechanism 18 is activated. The driven shaft 16 is driven to rotate once. At this time, the objects to be bound are positioned by the fixed contact member. Then, as shown in FIG. 12, the needle 6 operates to supply the rubber cord 4 toward the knot mechanism 3. At this time, the string wound around the string guide roller 40 is wound in the direction in which it is further wound with the operation of the needle 6, and the unwinding of the string is almost stopped. Then, before the needle 6 reaches the maximum plunging position, first, the string pulling member 53 is switched from the open posture to the retaining posture. After that, the knot building 43 is rotationally driven to wind the string portion 4c held by the string holder 42 and the string portion 4d supplied by the needle 6 together to start the knotting operation. At this time, the string guide member 47 is set to the operating position, and the binding parts 67 of the needle 6 and the fixed contact member 66 hold the objects to be bound together. After that, when the needle 6 reaches the maximum plunging position, the cord holder 42 rotates from that point to align both the cord portions 4c and 4d and to be wound by the knot building 43. Then, when the winding operation of the knot building 43 is completed, the string gathering member 53 is switched to the open position, and the cutting cutter 58 provided in the string holder 42 approaches the string guide plate 57 to cut both string portions. After that, the string guide member 47 swings laterally from the acting state to pull out the string wound around the knot building 43, and the knot operation is completed. At this time, as described above, since the rubber cord 4 is hardly fed out from the needle 6 side, the rubber cord 4 is in the extended state during the knotting operation, and the cord holder 42 is first attached to the cord holder 42 when the cord is cut. Since the string portion 4c that was held and held is in an extremely extended state due to the winding action, when it is cut, it will come off from the knot portion of the knot building 43, and will be bound. The knot becomes a so-called single knot (Fig. 21). As a result, when the rubber cord 4 is detached from the bound object a, if the above-mentioned one cord portion is pulled, it can be easily removed due to the stretching action of the rubber cord and the sliding action due to the unevenness 4b formed on the rubber cord. You can Moreover, since the knot building 43 and the string holder 42 are provided such that the drive shaft cores of the knot building 43 are parallel to each other, when the winding operation of the string holder 42 is performed, the two knots of the two string parts positioned with the knot building 43 are positioned. The posture and the direction of rotation of the string holder 42 are substantially parallel to each other, and the knotting operation is not hindered by being wound around the arrangement portion of the holding spring 42a. Moreover, by forming the stripe-shaped irregularities 4b on the surface of the rubber cord 4, it becomes possible to moderately slide in the longitudinal direction and to maintain an appropriate clamping force in the clamping action by the cord holder 42. The action can be performed smoothly. Then, when the needle is retracted to the standby position, the winding of the cord acts from the guide roller 40 in a loosening direction, and the rubber cord 4 is paid out from the accommodating portion 5 in accordance with the retracting operation.

[Other Embodiment] The holding portion 66 of the needle 6 may be detachably attached to the needle 6 as a separate body instead of being integrally formed with the needle 6. It may be replaced with a pressing portion having a different shape depending on the situation.

In the claims of the utility model registration, reference numerals are provided for easy comparison with the drawings, but the invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is an overall side view of a general-purpose binding machine.

[Fig. 2] Vertical side view of a general-purpose binding machine

FIG. 3 is a vertical sectional side view of the general-purpose binding machine.

FIG. 4 is a cross-sectional plan view of a general-purpose binding machine.

FIG. 5 is a side view of the one-rotation clutch mechanism arrangement portion.

FIG. 6 is a side view of a needle drive system.

FIG. 7 is a side view of the drive cam mechanism of the string bringing member.

FIG. 8 is an explanatory view of the action of the string bringing member.

FIG. 9 is a side view of the string feeding portion.

FIG. 10 is a perspective view of a string guide member.

FIG. 11 is a sectional view of the rubber cord.

FIG. 12 is an explanatory view of bundling operation.

FIG. 13 is an explanatory view of bundling operation

FIG. 14 is an explanatory view of bundling operation

FIG. 15 is an explanatory view of bundling operation

FIG. 16 is an explanatory view of bundling operation.

FIG. 17 is an explanatory view of bundling operation

FIG. 18 is an explanatory view of bundling operation

FIG. 19 is a side view of the string knot mechanism.

FIG. 20 is an explanatory view of the operation of the string guide plate.

FIG. 21 is a perspective view of a bound object after binding.

FIG. 22 is an electric circuit diagram.

[Explanation of symbols]

 2 drive source 3 bundling mechanism 4 string 6 needle 7 working table 18 one-rotation clutch mechanism 66 fixed abutment member 67 presser section

Claims (1)

[Scope of utility model registration request] 1. A needle (6) for guiding a binding string (4) to be wound around an object to be bound and placed along a work table (7) is arranged above the work table (7). At the same time, a binding mechanism (3) for binding the strings supplied by the needle (6) is arranged below the workbench (7) and is interposed between the drive source (2) and the binding mechanism (3). A general-purpose binding machine configured to enter and operate a rotary clutch mechanism (18) by electrical control, and receives and supports a bound object to be placed and transferred at a binding action point on the work table (7). A general binding which is provided with a fixed contact member (66) for holding, and in which the needle (6) is provided with a holding portion (67) for pressing the bundled objects in a bundled state in cooperation with the fixed contact member (66). Machine.