JP3404213B2 - Control method of bookbinding machine and its control device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bookbinding machine control method and a control apparatus therefor.

[0002]

2. Description of the Related Art In a bookbinding machine, as shown in FIGS. 6 and 7, a sheet feeding machine 30 is connected to the bookbinding machine 1 and a printing machine 40 or the like is connected to the sheet feeding machine 30 so as to consistently perform from printing to bookbinding. It may be configured as a bookbinding system that is automatically performed by one flow. FIG. 6 and FIG. 7 and FIG. 8 of the explanatory view for explaining the processing steps (operations) of bookbinding in this bookbinding system.
In brief, the bookbinding machine 1 is provided with a clamp part 2, a milling part 3, a gluing part 4, and a nipping part 5, and a clamper 6 having a movable clamp plate 7 and a fixed clamp plate 8 moves in order. Is configured to.

The clamp unit 2 stacks the sheets 15 sent from the printing machine 40 or the like in page order, and stacks one sheet (hereinafter referred to as "main body") 16 (see FIG. 8).
The movable clamp plate 7 and the fixed clamp plate 8 of the clamper 6
In between, the back surface 18 of the main body 16 is inserted with the level plate 9 side, and the inserted main body 16 is moved to the fixed clamp plate 8 side of the movable clamp plate 7 so that the main body 16 is clamped by the clamper 6 (main body). 16 is a bookbinding process starting step).

The milling section 3 includes a back face 18 of a main body 16 which is clamped by a clamper 2 by a clamp unit 2 on a milling machine 1.
It is a portion that is flush with 0 (milling processing step of the main body 16). A fixed guide plate 23 and a movable guide plate 21 are arranged in the milling section 3 above the milling machine 10 and guide the end 16 of the main body 16 that comes into contact with the milling machine 10 and passes therethrough without being disturbed.

The gluing section 4 is a section for gluing the back surface 18 of the main body 16 flush with the milling section 3 with the gluing machine 11 (a gluing process of the main body 16). The work in the milling section 3 and the gluing section 4 is performed with the movement of the clamper 6 while the main body 16 is being held by the clamper 6.

In the nipping section 5, one cover sheet 17 of a cover stocker (or a paper feed table) is previously carried onto nip plates (tightening plates) 12 and 13 and is positioned at a predetermined position. The main body 16 glued to the back surface 18 clamped by the clamper 6 is positioned at the upper part between the nip plates 12 and 13, and the nip plates 12 and 13 and the bottom plate 14 are slightly raised, and the main body 16 is covered with the cover sheet 17. The cover 17 is attached to the back surface 18 of the main body 16 by putting it on the bottom plate 14 between the nip plates 12 and 13. Almost at the same time as this attachment, the nip plates 12 and 13 are moved to tighten the cover 17 from both sides near the edge portion of the body 16 on the back surface 18 side, and the cover 17 is placed along the body 16 (cover attachment) Processing step).

The sheet feeding device 30 receives the sheet 15 supplied in the page order from the printing device 40 in the sheet alignment guide 33, forms one body of the sheet, and moves by the drive of the motor 34. Insert the main body 16 into the clamper. When the main body is clamped by the clamper of the swing arm 31, the motor 32 is driven, and the swing arm 31 is swung to bind the main body 16 to the bookbinding machine 1
Clamp plate 6 and movable clamp plate 7 and fixed clamp plate 8
It is supposed to be inserted between.

[0008]

By the way, the bookbinding machine 1 is
In order to prevent the main body 16 from being disturbed during the bookbinding processing, the opening amount of the clamper 6 and the guide plate 2 are set before the bookbinding processing operation of each part.
It is necessary to adjust the opening amount of Nos. 1 and 23 and the opening amount of the nip plates 12 and 13 according to the thickness of the body. Conventionally, these opening amounts are manually set, or the thickness of the book body 16 to be bound is sequentially measured, and a motor or the like is driven by the thickness measurement signal to be automatically set. However, whether it is set manually or automatically by thickness measurement, the thickness of one book must be measured in advance each time the thickness of one book changes, It takes time to change the setting.

The present invention has been made in view of such a situation, and enables setting of the opening amount of a clamper or the like in a bookbinding machine automatically in a short time with few setting errors, and the main body having different thicknesses. Also, it is an object of the present invention to provide a method for controlling a bookbinding machine and a control device therefor, which enables automatic operation.

[0010]

The object of the present invention is achieved by the following items (1) to (5).

(1) The clamper is provided with means for setting a specific number of sheets forming the main body and an opening amount of the clamper corresponding to the specific number, and for holding the supplied main body to move the bookbinding process. A method for controlling a bookbinding machine, wherein the opening amount when holding the main body is adjusted according to the number of sheets forming the main body, and the leaf forming the main body is supplied when the main body is held. A method for controlling a bookbinding machine, comprising: counting the number of sheets of paper; and opening the clamper by the set opening amount of the clamper each time the count reaches the set number.

(2) A bookbinding machine which holds the supplied main body and moves the bookbinding processing step by adjusting the opening amount when the main body is held by the clamper according to the number of sheets of paper forming the main body. A detection means for detecting the supplied sheets, a counting means for counting the sheets detected by the detection means, and a first setting means for setting a specific number of sheets. Comparing the count value of the counting means with the setting value of the first setting means, and outputting the comparison value when the count value matches the setting value, and resetting the counting means by the output of the comparison means Reset means, second setting means for setting the opening amount when the main body of the clamper of the bookbinding machine is held in correspondence with the set value of the first setting means, and the second setting for each output of the comparing means. set amount just <br/> the clamper of the setting means Binding apparatus control apparatus characterized by comprising an adjustment means for adjusting the opening amount of.

(3) A clamp part for holding the main body by a clamper that moves in the bookbinding process, a gluing part on the back surface of the main body, a nipping part having a nip plate for tightening the main body with a cover, and the main body. A method of controlling a bookbinding machine, comprising: a specific number of sheets of paper to be formed and a means for setting the opening amount of a clamper corresponding to the specific number of sheets; and a method of controlling a bookbinding machine, which is provided when holding the main body. The number of sheets of paper that form the main body is counted, and each time the count reaches the set number of sheets, the clamper is opened by the set opening amount of the clamper, and the opening amount of the nip plate is set to the opening amount of the clamper. A control method for a bookbinding machine, characterized in that the amount is adjusted to correspond to the final opening amount.

(4) A clamp section for holding the main body by a clamper that moves in the bookbinding process, a gluing section on the back surface of the main body, and a nipping section having a nip plate for tightening the main body via a cover, A controller for a bookbinding machine, which controls the operation of each part, comprising: counting means for counting the number of sheets of paper to be supplied that form the main body; first setting means for setting a specific number of sheets of paper; Comparing means for comparing the count value of the counting means with the setting value of the first setting means, and outputting when the count value matches the setting value; and resetting for resetting the counting means by the output of the comparing means. Means, second setting means for setting the opening amount when the main body of the clamper of the bookbinding machine is held in correspondence with the setting value of the first setting means, and the second setting means for each output of the comparing means. Setting means And adjusting means for adjusting the amount of opening of only the clamper amount of binding machine, characterized in that the amount of opening of the nip plate comprising an adjustment means for adjusting the amount corresponding to the amount of opening of the clamper after the adjustment Control device.

(5) A clamp part for holding the main body by a clamper that moves in the bookbinding process, a milling part having a guide plate with adjustable spacing for guiding passage of the main body, and a gluing part on the back surface of the main body. A controller for a bookbinding machine, comprising a nipping section having a nip plate for tightening the main body via a cover, and controlling the operation of each of the sections, which counts the number of sheets of paper supplied to form the main body. Means, a first setting means for setting a specific number of sheets, a count value of the counting means and a set value of the first setting means are compared, and when the count value matches the set value. The comparing means for outputting, the resetting means for resetting the counting means by the output of the comparing means, and the opening amount when the main body of the clamper of the bookbinding machine is held corresponding to the set value of the first setting means. A second setting means for constant, and adjusting means for adjusting the amount of opening set amount just before <br/> SL clamper of said second setting means for each output of said comparator means, said guide plate and the nip plate A controller for a bookbinding machine, comprising: adjusting means for adjusting an opening amount of the clamper to an amount corresponding to the opening amount of the clamper after the adjustment.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION The bookbinding machine according to the present invention is similar to the bookbinding system described with reference to FIGS. This system is configured as a bookbinding system that automatically connects all the processes from printing to bookbinding in a single flow.

At this time, as shown in FIGS. 6 to 8, a detection means 35 for detecting the passage of the sheet 15 supplied from the printing machine 40 and outputting it is installed in the paper feeding machine 30, and the bookbinding process step. When the main body is inserted into the clamper 6 that moves, the stepping motor 20 for adjusting the distance between the movable clamp plate 7 and the fixed clamp plate 8, that is, the opening amount of the clamper 6, is used for fixing the milling part and the movable guide. Boards 23, 2
1 step, that is, the stepping motor 22 for adjusting the width for adjusting the opening amount of the guide plates 23, 21 is used when the main body 16 is located between the nip plates 12, 13.
A stepping motor 24 for adjusting an interval of 3, that is, an opening amount of the nip plates 12 and 13 is provided for each.

Then, each stepping motor 20, 2
The control of 2 and 24 is controlled by a control device that controls the operation of each part of the bookbinding process, for example, the movement of the clamper 6 and the tightening operation of the nip plates 12 and 13.

The control device receives the detection signal of the detection means 35, counts the detection signal, and the paper sheet 1.
5, when the count value of the counting means and the set value of the first setting means are compared with each other, and the count value matches the set value. Comparing means for outputting, resetting means for resetting the counting means when the comparing means is output, and opening for holding the main body of the clamper 6 of the bookbinding machine corresponding to the set value of the first setting means Second setting amount, eg 1 mm
Setting means is provided.

Then, with respect to the first one of which the number of sheets to be printed is set in the printing machine 40, the clamper 6 is set by the set amount of the second setting device for each output of the comparing device.
The adjustment means for adjusting the opening amount of the clamper 6, that is, the stepping motor 20 for width adjustment is driven. This drive is repeated until a print end signal for one copy of the printing machine 40 (hereinafter referred to as a "set end signal") is input.

When the set end signal is input, the opening amount of the clamper 6 is the opening amount at that time, that is, the final opening amount, and the number of prints for one book different in the number of pages is newly set.
It is maintained until it is set to. Simultaneously with this setting, the stepping motors 22 and 24 for adjusting the widths of the opening amounts of the guide plates 23 and 21 and the nip plates 12 and 13, respectively.
Further, the main body 16 is started to be inserted into the clamper of the rotary arm 31 of the paper feeder 30, the rotary arm 31 holding the main body 16 rotates, the main body 16 is inserted into the clamper 6, and the main body 16 is clamped. Be held by 6.

Opening amount of the guide plates 23 and 21, the nip plate 1
By driving the stepping motors 22 and 24 for adjusting the widths of the opening amounts of 2 and 13, the opening amounts of the guide plates 23 and 21 and the opening amounts of the nip plates 12 and 13 respectively correspond to the final opening amount of the clamper 6. When the opening amount is set to 0, the movement of the clamper 6 is started, that is, the bookbinding process is started.

In the control from the second book, the bookbinding process is performed by setting the opening amounts of the clamper, the guide plate and the nip of the bookbinding machine set in the first book. It should be noted that 12 sheets set in the first setting means and 1 m set in the second setting means
m is based on the fact that 12 sheets are normally printed and have a thickness of about 1 mm, and the values set in these setting means are appropriately determined.

According to the control of the bookbinding machine configured as described above, the number of sheets of the first book sent to the paper feeding machine connected to the bookbinding machine is measured while the clamper of the bookbinding machine is operated. Since the opening amount is set, the time required to set the opening amount of the clamper or the like of the bookbinding machine is shortened, and automatic operation is possible even for a main body with few mistakes and different thickness.

[0025]

Embodiments of the present invention will be described below with reference to FIGS. 1 to 8. 1 is a block diagram of a controller for a bookbinding machine according to an embodiment, FIG. 2 is a block diagram of a controller for a bookbinding machine according to another embodiment, FIGS. 3 to 5 are operation explanatory diagrams of the embodiment, and FIG. FIG. 7 is a schematic plan view of the bookbinding machine equipment of each embodiment.
6 is a schematic side view of the bookbinding machine equipment of FIG. 6, and FIG.
It is an explanatory view explaining the processing process (operation) of the bookbinding device. Note that the same parts are denoted by the same reference symbols throughout the drawings. 6 to 8 are the same as those described above, and redundant description will be omitted and detailed description thereof will be omitted.

In FIG. 1, reference numeral 50 is a controller for the bookbinding machine, which is a central processing unit (CPU) 51, a memory (ROM) 52 for storing control and calculation programs in the CPU 51, and a memory 53 for storing control and calculation data. And is connected to the transmission line (bus line) 55. The bus line 55 has a bookbinding drive control circuit 25, a paper feed drive control circuit 36 of the paper feeder 30, and a detection unit 35 that detects and outputs the passage of the sheet 15 supplied from the printing machine 40, the printing machine 4.
0 controller 41 is connected.

R1 and R2 are counters (counting means) for counting (counting) the output of the detecting means 35 which detects and outputs the passage of the sheet 15, and C1 is a sheet number setting device (first number) for setting the number of sheets. C) is an opening amount setting device (second setting device) for setting the opening amount of the clamper 6. In this embodiment, the first setting means C1 has 12 sheets,
The setting means C2 is set to 1 mm.

The controller 50 of the bookbinding machine constructed as described above operates as shown in FIGS. That is, by starting bookbinding, the motors of the sheet feeding machine 30 and the bookbinding machine 1 are started (step S1), the stepping motors 20, 22 and 24 are returned to the origin, and then the bookbinding machine 1
The opening amount of the clamper 6, the opening amounts of the guide plates 23 and 21, and the opening amounts of the nip plates 12 and 13 are adjusted to a width of 1 mm (step S2), and the first counting means (COUNT) R
The first and second counting means (TOTAL) R2 are reset to 0 (step S3), and the leaf paper 15 from the printing machine 40 is reset.
Waits for the discharge signal (step S4).

When receiving the ejecting signal of the leaf paper 15 from the printing machine 40, the paper alignment guide 33 of the paper feeding machine 30 is started, and the stopper 36 (FIG. 7) is set to complete the reception of the leaf paper 15. (Step S5). When the detection means 35 detects the passage of the paper sheet 15 (step S6), the first
Also, 1 is added to both the second counting means R1 and R2 (step S7). The count value of the second counting means R2 is compared with the set value 12 of the first setting means C1 (step S8),
When the count value of the second counting means R2 does not exceed the set value 12 of the first setting means C1, the count value of the first counting means R1 is compared with the set value 12 of the first setting means C1. (Step S9), if the count value of the first counting means R1 matches the set value 12 of the first setting means C1, the first counting means R
1 is reset to 0 (step S10).

In step S9, the first counting means R
When the count value of 1 does not reach the set value 12 of the first setting means C1, steps S6 to S9 are repeated. When the set end signal is input from the printing machine 40 during this repetition (step S11), the number-of-sheets error process, for example, the print stop process is performed. In this embodiment, steps S6 to S11 are set so that the bookbinding process is not performed when the number of book bodies 16 in one book is less than 12.

In step S8, the count value of the second counting means R2 and the set value 12 of the first setting means C1 are compared,
When the count value of the counting means R2 exceeds the set value 12 of the first setting means C1, the count value of the first counting means R1 and the set value 12 of the first setting means C1 are compared (step S1
2), the count value of the first counting means R1 is the first setting means C
When the set value 12 of 1 is met, the first counting means R1 is reset to 0, and the set value of 1 mm set in the opening amount setting means C2 is sent to the bookbinding machine drive control circuit 25 to cause the clamper 6 of the bookbinding machine 1 to operate. The opening amount is increased by 1 mm (step S13).

This operation is performed from step S6 to step S6.
13 is repeated until the set end signal is input from the printing machine 40 (step S14). When a set end signal, that is, a signal that the printing of the first body 16 of the first book has been completed is input from the printing machine 40, the opening amount of the clamper 6 is adjusted to the final value (step S15), and , The first counting means (COUNT) R1 is reset to 0, but the second counting means (TOTAL) R2 retains its value (the number of sheets 15 for one book forming the main body 16). It

At about the same time, a signal is sent to the bookbinding machine drive control circuit 25 to drive the stepping motors 22 and 24, and the opening amounts of the guide plates 23 and 21 and the opening amounts of the nip plates 12 and 13 are finally opened. The amount is adjusted to correspond to the amount (step S16). Further, the body 16 for the first book is formed on the sheet alignment guide 33 of the sheet feeder 30,
Insert the main body 16 into the clamper of the swing arm 31,
The swing arm 31 is swung to insert the main body 16 into the clamper 6 of the bookbinding machine 1 (step S17).

By driving the stepping motors 22 and 24, the opening amounts of the guide plates 23 and 21, the nip plates 12 and 1, respectively.
When the setting of the opening amount of 3 is completed (step S18), the clamper 6 of the bookbinding machine 1 is driven and the bookbinding process is started (step S18). In this way, the opening amount of the clamper 6 of the bookbinding machine 1 and the guide plate 2 set in the first booklet are set.
The opening amounts of 3, 21 and the opening amounts of the nip plates 12, 13 are stored and used when binding a series of booklets. The above operation is performed when a new print is set.

In the case of bookbinding from the second book, when a detection signal is output from the detection means 35 for detecting the sheet (step S2).
0), the signal is counted by the first counter R1 (step S21), and when a set end signal, that is, a signal that the printing of one body 16 of the book is finished is input from the printing machine 40 (step S22). The count value of the first counting means R1 at that time is compared with the value of the second counting means (TOTAL) R2 (the number of sheets 15 forming the main body 16 is held in the first book). (Step S23) When the numbers do not match, the number error processing, for example, printing is stopped (Step S23).
30) match, the paper alignment guide 3 of the paper feeder 30
The main body 16 for one volume is formed in 3 and the main body 16
Is inserted into the clamper of the swing arm 31, and the swing arm 3
1 is rotated to insert the main body 16 into the clamper 6 of the bookbinding machine 1 (step S24).

After the main body 16 is inserted into the clamper 6 of the bookbinding machine 1, the clamper 6 of the bookbinding machine 1 is driven to start the bookbinding process (step S25), and substantially simultaneously with the first counting means R.
1 is reset to 0 (step S26). After that, steps S20 to S26 are repeated until the bookbinding end signal is input. When the bookbinding end signal is input, the series of bookbinding processing ends (step S28).

Although the embodiment shown in FIG. 1 is controlled by using a so-called computer, similar control can be realized by hardware. FIG. 2 is a block diagram showing an embodiment in that case, in which 60 is a control device for the bookbinding machine 1, 61 is a logic control circuit, 62 is a count comparison circuit, 63 is a TOTAL counter, 64 is a counter, and 6 is a counter.
A setting device 5 sets the opening amount of the clamper 6 and the number of sheets of paper 15. The output of the logic control circuit 61 is output to the drive control circuit of the bookbinding machine 1 and the drive control circuit 68 of the paper feeder 30.

The TOTAL counter 6 of the controller 60
3 is second counting means, counter 64 is first counting means,
The setter 65 corresponds to the embodiment of FIG. 1 as the first and second setting means, and the count comparison circuit 62 sets the first and second count values and the first setting means (sets the number of sheets 15). The control means is the same as the operation described with reference to FIGS. 3 to 5, and therefore the description thereof will be omitted. Note that 66 and 67 are signal processing circuits for waveform shaping, for example.

In each embodiment, 12 sheets are set as the number of sheets specified in the first setting means, and the opening amount of the clamper 6 corresponding to the 12 sheets is set in the second setting means. Although set to 1 mm, these numerical values are appropriately set prior to the bookbinding process. Further, steps S9 to S11 and the second counting means are not always necessary.

[0040]

As described in detail above, according to the present invention,
Since the opening amount of the clamper etc. of the bookbinding machine is set while counting the number of the first book sent to the paper feeder connected to the binding machine, the opening amount of the clamper etc. of the bookbinding machine is set. The setting is automated, the time required for the setting is shortened, and the bookbinding machine can be automatically operated even for a main body having few setting errors and different thicknesses.

[Brief description of drawings]

FIG. 1 is a block diagram of a controller of a bookbinding machine according to an embodiment of the present invention.

FIG. 2 is a block diagram of a control device for a bookbinding machine according to another embodiment of the present invention.

FIG. 3 is an operation explanatory diagram of the controller of the bookbinding machine according to the embodiment of the present invention.

FIG. 4 is an operation explanatory diagram of the control device for the bookbinding machine according to the embodiment of the present invention.

FIG. 5 is an operation explanatory diagram of the control device for the bookbinding machine according to the embodiment of the present invention.

FIG. 6 is a plan view showing a configuration of a bookbinding system according to an embodiment of the present invention.

FIG. 7 is a side view of the embodiment of FIG.

FIG. 8 is an operation explanatory diagram of the embodiment shown in FIGS. 6 and 7;

[Explanation of symbols]

1 Bookbinding equipment 2 Clamp part 3 milling department 4 Gluing part 5 Nipping part 6 clamper 7 Movable clamp plate 8 Fixed clamp plate 9 level board 12, 13 Nip plate 15 leaf paper 16 books (sheets) 20, 22, 24 Stepping motor 21, 23 Guide plate 25 Bookbinding drive control circuit 30 paper feeder 31 swivel arm 32, 34 motor 33 Paper alignment guide 35 Paper detection sensor (leaf paper detection detector) 36 Feeder drive control circuit 40 printing machines 41 Printer control device 55, 60 Binding machine control device 51 Central Processing Unit (CPU) 52 ROM 53 memory 61 Logic control circuit 62 Count comparison circuit 63, R2 counter (second counting means) 64, R1 counter (first counting means) 65 Setting device C1 Sheet number setting device (first setting means) C2 Clamper opening amount setting device (second setting device)

─────────────────────────────────────────────────── ─── Continuation of front page (72) Masato Nogawa Masato Nogawa 1601 Jonoshita, Asahi character, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture Horizon International Co., Ltd. 1601 Address Jinoshita Horizon International Co., Ltd. (56) References JP-A-4-35994 (JP, A) Actual development Sho 55-156966 (JP, U) (58) Fields investigated (Int.Cl . ⁷ , DB name) B42C 19/00-19/08 B42C 11/00-11/04

Claims (5)

(57) [Claims] 1. A specific number and the front of a sheet of paper that forms the body
A procedure to set the opening amount of the clamper corresponding to the specified number of sheets.
Control of a bookbinding machine that has a step and adjusts the opening amount of the clamper that grips the supplied main body to move the bookbinding process according to the number of sheets of paper that form the main body The method, when holding the main body, counts the number of sheets of paper that form the main body to be supplied, and the clamper is opened by the opening amount of the set clamper each time the count reaches the set number. A method for controlling a bookbinding machine, characterized by being opened. 2. A bookbinding machine comprising a clamper for gripping the supplied main body and moving in a bookbinding process, in which the opening amount when the main body is held is adjusted in accordance with the number of sheets of paper forming the main body. A control device, a detection means for detecting the supplied sheets, a counting means for counting the sheets detected by the detection means, a first setting means for setting a specific number of sheets, and Comparing means for comparing the count value of the counting means with the setting value of the first setting means, and outputting when the count value matches the setting value; and resetting for resetting the counting means by the output of the comparing means. Means, second setting means for setting the opening amount when the main body of the clamper of the bookbinding machine is held in correspondence with the setting value of the first setting means, and the second setting means for each output of the comparing means. Opening amount of the clamper by the setting amount of the setting means A control device for a bookbinding machine, comprising: adjusting means for adjusting. 3. A main body is formed by a clamp part for holding a main body by a clamper that moves in a bookbinding process, a gluing part on the back surface of the main body, a nipping part having a nip plate for fastening the main body via a cover, and a main body. A specific sheet of paper
Number and the opening amount of the clamper corresponding to the specified number
A method of controlling a bookbinding machine, comprising: a means for setting , controlling the operation of each of the units, wherein when holding the main body, the number of sheets forming the main body to be supplied is counted, and the counting is performed. Each time the set number of sheets is reached, the clamper is opened by the set opening amount of the clamper, and the opening amount of the nip plate is adjusted to an amount corresponding to the final opening amount of the clamper. Control method. 4. A clamp section for holding a main body by a clamper that moves in a bookbinding process, a gluing section on the back surface of the main body, and a nipping section having a nip plate for tightening the main body via a cover, and each section described above. Of the bookbinding machine for controlling the operation of the bookbinding machine, the counting means for counting the number of fed sheets forming the main body, the first setting means for setting a specific number of the sheets, and the counting Comparing means for comparing the count value of the means with the set value of the first setting means, and outputting when the count value matches the set value; and reset means for resetting the counting means by the output of the comparing means. And second setting means for setting the opening amount when the main body of the clamper of the bookbinding machine is held according to the set value of the first setting means, and the second setting for each output of the comparing means. It is a set amount of means Control of the bookbinding machine, characterized by comprising: adjusting means for adjusting the opening amount of the clamper; and adjusting means for adjusting the opening amount of the nip plate to an amount corresponding to the opening amount of the clamper after the adjustment. apparatus. 5. A clamp part for holding a main body by a clamper that moves in a bookbinding process, a milling part having a guide plate with adjustable spacing for guiding passage of the main body, a gluing part on the back surface of the main body, A controller for a bookbinding machine, comprising a nipping section having a nip plate for tightening the main body via a cover, and a counting device for counting the number of sheets of paper supplied to form the main body. And a first setting means for setting a specific number of sheets and a count value of the counting means and a set value of the first setting means, and output when the count value matches the set value. Comparing means, resetting means for resetting the counting means by the output of the comparing means, and an opening amount for holding the main body of the clamper of the bookbinding machine in correspondence with the set value of the first setting means. Second adjusting means, adjusting means for adjusting the opening amount of the clamper by the setting amount of the second setting means for each output of the comparing means, and the opening amounts of the guide plate and the nip plate. A controller for a bookbinding machine, comprising an adjusting means for adjusting an amount corresponding to an opening amount of a later clamper.