JPH0597114A - Band tying machine for recording device - Google Patents

Abstract

PURPOSE:To provide a band tying machine for a recording device, which divides each section assuredly, and makes it possible to use the recording paper as a single unit, and can bundle recording papers by a tightening force in response to the necessity. CONSTITUTION:An adhesive tape 15 is let out by a driving roller 19, and a loop is formed by rotating a tape holding claw 17. After recording papers are accumulated in this loop, the bundle of recording papers P are tightened by reversing the driving roller 19, and the overlapped tapes 15 are bonded by a tape adhering member 21, and the end of the tape 15 is cut by a cutter. At this time, the tape adhering force is controlled to vary in response to the variation of the tightening force of the driving roller 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a banding machine applied to post-processing of paper in a recording device such as a copying machine, facsimile machine, printer, etc., and more particularly to a banding machine for banding a paper stack using a tape. ..

[0002]

2. Description of the Related Art In recent years, various types of paper post-processing devices for recording apparatuses have been proposed and implemented in order to improve workability of post-processing of recording paper, particularly in response to high-speed processing of a large number of copies. There is. The main ones are a sorter for sorting a plurality of sets of recording paper into a bundle of recording papers for each copy, a stapler for stapling the sorted bundle of recording papers, or a stack of recording papers for each copy. There is a glue sticking machine or a device for putting spine on a bundle of recording paper for each set.

[0003]

However, in the above-mentioned prior art, when stapling a bundle of recording papers, the number of sheets to be processed is limited to about 100 sheets depending on the size of the staple,
Further, there is a problem that the needle portion becomes an obstacle when the closed bundle of recording papers is stored (the needle portion has a particularly large thickness when stacked). In addition, there is a problem that the recording sheet bundle cannot be made into a single sheet again after being pasted, and the sheet cannot be recopied or reused in the state of the single sheet. On the other hand, when the number of recording sheets is large, or when the bundle of recording sheets that has already been bundled is bundled together, the recording sheet bundle may have to be bundled with a strong force.

The object of the present invention is to surely sort each copy and to use the recording paper as a single sheet, and to bind the recording paper with a binding force as needed. An object is to provide a banding machine for a recording device.

[0005]

SUMMARY OF THE INVENTION The above-mentioned object is to provide a recording paper placing table, a feeding means for feeding an adhesive tape,
A band bundle of a recording device including a loop forming means for forming a loop on the tape, a tightening means for tightening the tape on a bundle of recording sheets, a tape adhering means for adhering the overlapping tapes, and a cutting means for cutting the tape. In the machine, it is achieved by the first means having a tape adhesive force control means for varying the tape adhesive force by the tape adhesive means in response to the variation of the paper adhesive force by the tightening means.

Further, the above-mentioned object is, in the first means, bundling the image-formed sheets one by one, and after the completion of the bundling processing of all several sheets, the bunch group of the already bunched sheets is collectively put together. A tape bundle control means for controlling to bundle the tape is provided, and the tape adhesion control means has a larger tape adhesive strength when collectively bundling all the tapes than when the tape is bundled for each set. Is achieved by the second means.

Further, the above-mentioned object is that, in the second means, the tightening force control means should make the tightening force of the sheets when the whole number of bundles are bundled together stronger than when the bundle of bundles is bundled one by one. This is achieved by the third means of controlling.

[0008]

The loop forming means forms a loop on the tape, puts a bundle of recording paper in the loop, and tightens the tightening means.
The tape adhering means adheres the tapes to each other, and the cutting means cuts the adhered tapes.

The bundling control means performs a bundling process of the recording sheets for each copy, and after the completion of the bundling process of all several sheets, the bunched recording paper bunch group is collectively bunched. The tightening force control means controls the tightening force when the bundle of recording sheet bundles is bundled together to be stronger than when the bundle of recording sheets is bundled. Control is performed so that the tape adhesive force when the recording paper bundle group is collectively bundled is stronger than when the recording paper bundle group is bundled.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 is a block diagram of a copying machine according to an embodiment of the present invention. The copying machine comprises a copy processing section A and a recording sheet (transfer sheet) band bundle processing section B. The copy processing section A optically irradiates the automatic document feeder 1 for automatically arranging a plurality of set originals at a predetermined position, and the originals sequentially arranged at the predetermined position by the automatic document feeder 1. Before the exposure process, the optical system including the lamp 2, the mirrors 3, 4 and the lens 5 that guide the reflected light, the photoconductor belt 6 that exposes an original image by the optical system, and the photoconductor belt 6 are exposed. A charging device 7 for charging, a developing device 8 for developing the electrostatic latent image formed after performing the exposure process on the charged photoreceptor belt 6, and an image developed by the developing device 8. A transfer device 10 that performs a transfer process on the transfer paper conveyed from the transfer paper supply unit 9, a cleaning unit 11 that cleans the photosensitive belt 6 in preparation for the next copying process after a series of copying processes, and a transfer paper Transferred to A fixing device 12 for fixing the image, is a transport device 13 for transporting the transfer sheet after the fixing process to the transfer paper band beam processor B, a known copying operation is performed.

FIG. 1 is a block diagram of an embodiment of the present invention.
3 shows a banding machine in the transfer paper banding processing section B,
Reference numeral 15 is a tape that is fed from the tape roller 15a and can be adhered by heating, 16 is a tape guide on which a transfer paper is placed, 17 is a clamp portion that is provided at the bottom of the tape guide 16 and clamps the tip of the tape 15. A tape holding claw 17a that rotates and forms a loop on the tape 15, 18a and 18b are a pair of upper and lower guide bodies that guide the conveyance of the tape 15, and 19 is a feeding means and a tightening means for feeding the tape 15. Drive roller that doubles as 2
Reference numeral 0 is a driven roller facing the drive roller 19, 21 is a rotatable tape adhesive member having a heater 22 at its tip, and 23 is a tension roller pulling the tape 15, and the upper guide member 18a. And tape adhesive member 2
Cuts 24a, 24b of cutting means for cutting the tape are provided at the tip of the device 1 with an appropriate gap.

In FIG. 1, the tape 15 passes through a tension roller 23, and then a driving roller 19 and a driven roller 20.
It passes through the space and is guided between the guide bodies 18a and 18b. The operation is performed in the following order.

First, the tape 15 is clamped 1 at the right end of the tape holding claw 17 by the clockwise rotation of the drive roller 19.
7a, and the tip of the tape 15 is inserted into the clamp portion 17a. Next, the tape holding claw 17 and the guide bodies 18a and 18b rotate counterclockwise as shown by the solid line in FIG. At this time, the drive rollers 19 rotate at the same time to prevent the tape 15 from being fed out and the tip of the tape 15 from coming off from the clamp portion 17a. Tape holding claw 17
Keeps rotating and rotates 360 ° to the position shown in FIG. 1 and then stops.

After that, the guide bodies 18a and 18b are set in FIG.
After returning to the position of, the tape 15 is sandwiched between the tape 15 and one end of the tape holding claw 17 as shown in FIG. The drive roller 19 continues to rotate, and the tape 15 is at the position (length) of the alternate long and short dash line.
Tape 15 until it reaches. In this state, the copied transfer paper is ejected from the copy processing section A into the loop of the tape 15. After the required number of copies are discharged, the copy processing unit A gives a copy end signal to the recording paper band processing unit B. Thereafter, as shown in FIG. 5, the drive roller 19 rotates counterclockwise to tighten the recording paper P. In this state, the tape adhesive member 21 rotates clockwise around the fulcrum to bring the heater 22 into contact with the tape 15 to melt the adhesive of the tape 15 and paste the tapes 15 to each other.

The upper left portion of the tip end of the tape adhesive member 21 and the guide body 18a have appropriate gaps for cutting the tape and the cutters 24a and 24b, and the guide bodies 18a and 18b.
The tape 15 is cut by the clockwise rotation of the tape. Further, the tape holding claw 17 is retracted in the rearward direction of the bundle of recording paper P, and the tape adhesive member 21 is retracted to the original position to complete a series of banding work. Upon detecting that the bundle of recording paper P has been removed, the tape holding claw 17 returns to the original position in FIG. After that, the above operation is repeated.

FIG. 6 is a conceptual diagram of the control of the banding machine, in which 30 is the banding machine body and 31 is the recording apparatus body. Banding machine body 3
0 is provided with a dedicated control device, that is, a band bundle control device 32, a tape adhesive force control device 50, and a tightening force control device 51, and exchanges signals with various sensors and loads such as motors. At the same time, the heater power supply 33 that applies electric power to the heater 22 is controlled. A temperature sensor 34 that detects the heater temperature is provided near the heater 22. On the other hand, the recording device main body 31 side also has a dedicated control device 35.
Is provided for receiving signals from the operation unit 36, exchanging signals with the recording unit 37, and issuing various display commands to the display unit 38.

The band bundle control device 32 bundles the sheets on which the images are formed, one by one, and controls to bundle all the bundle groups that have already been bundled after the completion of the several bundle processing.
When performing the batch bundling process, the tape adhesive force control device 50 has a higher temperature when performing the batch bundling for all the pieces than when performing the bundling for each copy in response to the command from the band binding control device 32. The heater 22 is controlled via the heater power supply 33 so that That is, it is controlled so that the tape adhesive force at the time of bundling all of them is increased.

The tightening force control device 51 controls the feeding motor 53 via the feeding motor control circuit 52, and changes the number of rotations of the drive roller 19 driven by the feeding motor 53, so that each set is copied. The control is performed so that the tightening force of the sheets when performing the bundle bundling of several sheets is stronger than that when performing the bundle bundling. Whether or not the tightening force needs to be changed is determined based on the need to set the tightening force suitable for each tape type, or the need to set the tightening force corresponding to the paper type, number of sheets, and orientation. To be done.

FIG. 7 is a sectional view of the tape 15. The tape 15 is formed by applying a heat-sensitive adhesive layer 15b on a tape base 15a. As the heat-sensitive adhesive layer 15b, various thermoplastic resins such as polyethylene, ethylene vinyl acetate copolymer, vinyl chloride copolymer, vinyl acetate copolymer and polyamide are used.

FIG. 8 is a characteristic diagram of the adhesive force of the heat-sensitive adhesive layer 15b. In a temperature range in which heat applied to the tape 15 is present, the adhesive force monotonously increases with temperature.

FIG. 9 is a block diagram of a mechanism for measuring the adhesive force between the tapes. While the one tape 15 placed on the base 40 is pressed by the pressing member 41, the other adhesive tape 15 is pulled. The adhesive force (peeling force) F can be obtained from the elongation rate of the tension coil 42 at the time when both the tapes 15 and 15 are peeled off by pulling through the coil spring 42.

Next, the control for automatically setting the band bundle tightening force and the tape adhesive force according to the thickness, the number of sheets and the width of the recording paper based on the flow charts shown in FIGS. 10 and 11 will be described. First, set the number of recording sheets N (S1),
Press the start button (S2). Next, the thickness, the number of sheets, and the width of the recording sheet by the tape 15 are determined based on the signal such as the type, the number, and the direction of the sheet, and if it is "large" (Yes in S3), the tightening force control device. 51, the band bundle tightening force is set to "strong" (S4), and at the same time, the tape adhesive force control device 50 sets the tape adhesive force to "strong".
On the other hand, if it is not "large" (No in S3), the tightening force is set "weak" (S6), and the tape adhesive force is also set "weak" (S7). Next, the recording operation is performed for "one copy" (S8) (see FIG. 11), the bundles are bundled (S9), and when all the numbers are completed (S10, S11), this routine is completed.

Next, based on the flow charts shown in FIGS. 12 and 13, the control for automatically carrying out the collective bundle processing of the bundle bundle group after the one-part bundle bundle processing will be described. The number of recording copies N is set (S21), and the start button is pressed (S22).
At this point in time, first, the band bundle operation is performed for each copy, so that both the band bundle tightening force and the tape adhesive force are set to "weak" (S23). Then, in S24 to S27, the same operations as S8 to S11 in FIG. 11 described above are executed.
After the bundle of bundles for each copy is completed in S27 (see FIG. 13), the process proceeds to the step of bundle bundle of these bundles of bundles.
That is, since the number of recording sheets is large and a large force is likely to be received during handling after bundling, the bundling tightening force and the tape adhesive force are changed to the "strong" setting (S28). Then, under this setting, the collective bundling operation is performed (S29), and this routine is ended.

[0024]

According to the first aspect of the invention, the sheet tightening force by the tape is optimized, and the tape adhesive force is set in accordance with the tightening force. Therefore, the sheet condition or the tape condition is met. Bundling can be performed with optimum bundle strength.

According to the second aspect of the present invention, since the adhesive strength of the bundle of bundles is set to be stronger when the bundles are bundled all together than when the bundles are bundled one by one, it is suitable for the bundle application. The tape adhesive strength can be obtained.

According to the third aspect of the invention, since both the band bundle tightening force and the adhesive strength when the bundles are bundled together are stronger than when the bundles are bundled for each set, a more suitable tape tension is obtained. It is possible to perform bundling of the recording sheet bundle having a bundling force.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a banding machine according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of a copying machine as a recording device.

FIG. 3 is an explanatory diagram of the operation of the banding machine.

FIG. 4 is an explanatory diagram of the operation of the banding machine.

FIG. 5 is an explanatory diagram of the operation of the banding machine.

FIG. 6 is a control conceptual diagram of the banding machine according to the embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view of a tape.

FIG. 8 is an adhesive characteristic diagram of a heat-sensitive adhesive layer.

FIG. 9 is a configuration diagram of a mechanism for measuring adhesive force between tapes.

FIG. 10 is a flow chart of the preceding stage of the band bundle processing control according to the thickness, the number of sheets and the width of recording paper.

FIG. 11 is a flow chart of the latter stage of the band bundle processing control according to the thickness, the number of sheets and the width of the recording paper.

FIG. 12 is a flowchart before the control for automatically carrying out batch bundle processing after the one-part bundle processing.

FIG. 13 is a flow chart of the latter stage of the control for automatically performing the batch bundle processing after the first bundle processing.

[Explanation of symbols]

 15 tape 15a tape base 15b heat-sensitive adhesive layer 17 tape holding claw 19 drive roller 21 tape adhesive member 22 heater 24 cutter 32 band bundle control device 33 heater power supply 50 tape adhesive force control device 51 tightening force control device

Claims (3)

[Claims] 1. A recording paper placing table, a feeding means for feeding an adhesive tape, a loop forming means for forming a loop on the tape, a fastening means for fastening the tape to a recording paper bundle, and an overlapping tape A tape bundling machine of a recording device, comprising: a tape adhering means for cutting the tape, and a cutting means for cutting the tape, in which the tape adhering force by the tape adhering means is changed in response to a change in the sheet tightening force by the tightening means. A banding machine for a recording apparatus, comprising an adhesive force control means. 2. A bundling control for bundling image-formed sheets one by one and for collectively bundling a bunch of already bunched sheets after completion of all several bundling processing. The tape adhesive force control means is controlled so that the tape adhesive force at the time of performing several bundles is greater than the tape adhesive force at the time of performing the band bundle for each set. Claim 1
A banding machine for the recording device described. 3. The tightening force control means controls to increase the tightening force of the sheets when performing the bundle bundling for all sheets rather than when the bundle is bundled for each copy. 2. A banding machine of the recording device according to 2.