JPH0320242Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a binding machine that binds items with tape, and in particular, the invention relates to a binding machine that binds items with tape, and in particular, an arm that is pivoted to a fulcrum on a table and has a crimping part at the tip, and a binding machine that attaches to each other. The present invention relates to a binding machine of a type that includes a crimping table that holds the tape portion to be held in between and receives the abutment of the crimping part.

(Prior art) In this type of binding machine, the item is fed onto a table or a support member on the table so as to release the tape stretched between the end of the arm and the tape presser on the crimping table, and then The tape binding is completed by pivoting the arm to lower its tip, wrapping the tape around the item, and crimping and cutting the tape portion therebetween by the abutment between the crimping table and the crimping part.

(Problem to be solved by the invention) However, in conventional tape binding machines, if there is too much slack in the tape when items are set on a table or support member, the binding becomes loose and cannot be bound with appropriate tension. I have a problem.

(Summary of the invention) The purpose of the invention is to solve the above-mentioned problems, and therefore, to provide a binding machine that can bind items with appropriate tension even if the tape becomes slack when the items are set. be.

A feature of the binding machine according to the present invention is that the roller on the arm rotates in the opposite direction to the tape feeding direction, and the tape is pulled up by pinching the tape between the roller and bringing the pinch roller into contact with the roller. That's true.

(Embodiments of the invention) Next, embodiments of the invention will be described with reference to the drawings. 1 to 4 show a preferred embodiment as a whole, in which 1 is a base whose upper surface is a table; a support 2 is fixed to one end of the base 1; There is a crimping table 3 at the other end.

Reference numeral 4 denotes a pivotable arm, the base end of which is pivotally fixed to the column 2 by a pin 5. A reel 6 for storing tape is installed at an appropriate position on the arm 4.
The reel 6 is equipped with a tension loading device so that the tape is drawn out with an appropriate tension. The tip portion 4a of the arm 4 is linear and is adapted to abut against the crimping table 3 when lowered. There is also a roller 7 in contact with the tape at a suitable location on the arm 4, preferably near its tip. A heating unit 8 for welding the tape is located at an appropriate position on the crimping table 3.
The tip of the arm is provided with a crimping part 9 that abuts against the heating part 8 and a cutter. Note that the heating section 8 may be located in the crimp section 9 depending on the case.

This embodiment includes a mechanism for vertically pivoting the arm 4 by power, and the mechanism includes a crank member 11 attached to a shaft 10 provided on the base 1, and one end of which is pivotally fixed at an appropriate position of the arm 4. It consists of a connecting rod 12 whose other end is connected to a crank member 11. As clearly shown in FIG. 2, a motor 13 installed on the base 1 connects the crank member 1 together with the shaft 10 via a transmission member such as a chain 14.
1 is rotated.

In this binding machine, in order to pull up the tape, the roller 7 on the arm 4 is rotated in the direction of lifting the tape, and moves back and forth with respect to the roller 7 with the tape sandwiched between them, as shown in FIGS. A pinch roller 15 is provided which touches and moves away from it. In this embodiment, a pulley 16 is attached to the shaft of the motor 13, and a string-shaped belt 18 is hung between the pulley 16 and the pulley 17 provided on the pin 5.
A similar belt 20 is placed between the pulley 17 and a pulley 19 fixed to the roller 7, and the roller 7 is rotated by the power of the motor 13 via these belts 18, 20. FIG. 5 shows the pin 5 and pulley 17. 21 is a roller that guides the belt 20. Further, the pinch roller 15 is rotatably provided at the tip of a lever 22, which lever 22 is provided along the arm 4 and is pivotally fixed at a suitable position 22a of the arm 4, and the other end of the lever 22 is attached to the pin 5. It is connected to one end of another rotatably mounted lever 23, and the other end of the lever 23 is provided with a cam follower 24, which engages with a cam 25 mounted on the shaft 10. Cam follower 24 for cam 25
A spring 26 is provided at a suitable position on the lever 22 to keep it in constant contact.

Preferably, as seen in FIG. 1, a support member 27 having a shape suitable for supporting the items to be bound is fixed to the crimping table 3, and is configured to accommodate the items S therein. As shown in FIG. 2, a limit switch 28 is provided at an appropriate position on the base 1, and operates as the shaft 10 rotates, thereby turning the heating section 8 on and off. It's summery. 30 is a switch for operating the motor 13.

(Function) When tying, as shown in FIG. 1, the tape T is stretched between the tip of the arm 4 and the tape presser of the crimping table 3, and the item is placed on the support member 27 in such a way as to let out the tape. When the motor 13 is activated and the crank member 11 is rotated at an appropriate angle, for example, by half a turn, the arm 4 reaches the lower end, just before the crank member reaches the bottom dead center. The heating part 8 is energized by the operation of the limit switch 28, and in this state, the crimp part 9 on the arm side presses the heating part 8 between the tape winding start T ₁ (Fig. 8) and the winding end T ₂ . collide with,
Weld the tape sections together. During this collision, the cutter at the tip of the arm 4 cuts near the tape portion _T2 , and the new end of the tape is held by the tape holder, and the arm 4 raises to its original position while feeding out the tape. By pivoting the arm using a crank mechanism in this way, a compact model can be powered.

On the other hand, due to the operation of the motor 13, the pair of belts 1
The roller 7 of the arm 4 rotates in the direction of pulling up the tape via the cams 8 and 20, and the cam 25 and the cam follower 24 cause the arm 4 to start lowering or just before reaching the lower end, the pair of levers 2
2 and 23, the pinch roller 15 is brought into contact with the roller 7, and the tape is pulled back to remove the slack in the tape due to the lowering of the arm. Spring 2 when crimping
The rollers 7 and 15 may be made to slip against the tape by adjusting step 6.

When the arm 4 rises, the pinch roller 15 retreats and separates from the roller 7, and the tape is brought out.

In the above embodiment, the pinch roller 15 is moved back and forth by a cam mechanism, but it can also be moved by another mechanism. For example, as shown in FIG.
A solenoid 31 may be connected to the end of the lever 22 opposite the pinch roller, and the solenoid 31 may be energized by another limit switch 29 linked to the shaft 10. Moreover, if the supporting member 27 is provided, the eighth
As shown in the picture, it is useful for bundling long and thin objects. As shown, roller 7 and pinch roller 1
5 is preferably located near the tip of the arm because it is less affected by tape elongation, but it is clear that it may be located at other positions on the arm 4.

(Effects of the invention) As described above, according to the invention, the tape is pulled up by pinching the tape and bringing the pinch roller into contact with the corresponding roller to take up the slack, so the tape can be pulled out when setting items. Even if it is too long, the tape will not sag and can be bound with appropriate tension.

[Brief explanation of drawings]

Figure 1 is an elevational view of a binding machine according to an example of the present invention;
2 is a plan view thereof, FIG. 3 is an end view from one side, FIG. 4 is an end view from the other side, and FIG. 5 is a view taken along line 5--5 of FIG. Cross section of ivy, No. 6
The figures are a cross-sectional view taken along line 6--6 of FIG. 1, FIG. 7 is a partial elevation view of another embodiment, and FIG. 8 is a perspective view of an exemplary wrapping. . In the figure, 4...Arm, 7...Roller, 8...Heating part, 9...Crimping part, 11, 12...Crank mechanism, 13...Motor, 15...Pinch roller, 2
4, 25...Cam mechanism, 27...Support member, 31
……solenoid.

Claims (1)

[Claims for Utility Model Registration] (1) An arm that is pivotally fixed to a fulcrum on a table and has a crimping part at its tip, and a crimping unit that receives abutment from the crimping part with the tape parts to be attached to each other in between. In a tape binding machine including a stand, the binding machine further includes a roller supported by the arm and rotated by a belt driven by a motor in a direction to raise the tape, and pulling back the tape when the arm is lowered. , at least a pinch roller that comes into contact with and separates from the roller with a tape interposed therebetween so as to contact the roller when the arm is lowered, and the pinch roller is provided on a lever pivotally fixed to the arm. A tape binding machine characterized by: (2) Utility Model Registration The binding machine according to claim 1, wherein the roller and the pinch roller are located near the tip of the arm.