JP2000006273A - Device for manufacturing paper cushioning material and component thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely cut off a cushioning base material processed in the bellows in a predetermined length by making a plurality of intermittent small-strip cuts in a corrugated fiberboard paper, and to transfer it to a bag manufacturing machine after the cutting off so as not to entangle the following cushioning base material with the preceding cushioning base material. SOLUTION: Transfer of a cushioning base material 3 sent out of a bellow processing machine 4 by a carrying-in device 8 to an end cutter 7 at a speed substantially same as the delivery speed of the bellow processing machine 4 does not cause partial shrinkage and storage of elastic energy, and any advance such that the front end side appears by being released. Thus, it is stopped at the time when the front end of the cushioning base material 3 reaches the predetermined position, and the cushioning base material 3 can be cut off in a regular size. After the cut-off completes and the cushioning base material 3 is transferred by the carrying-out device 9, since the bellow processing machine 4 and the carrying-in device 8 are actuated at a delayed time, it can be transferred to a bag manufacturing machine 5 without entangling the following cushioning base material 3 with the precedent cut cushioning base material 3a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a cushioning material made of paper, in which a plurality of parallel intermittent strip-like cuts are made in a corrugated cardboard and compressed in the cutting direction to form a bellows-shaped buffer material. About.

[0002]

2. Description of the Related Art When a fragile package is packed in a box, a cushioning material is filled in a gap between the box and the package so that the package is not damaged by an external impact. As the cushioning material, for example, a material pre-formed into the shape of the gap according to the shape of the object to be packaged, or a material shaped into beads or a string that can be filled into the space regardless of the shape of the object to be packaged However, in each case, a foamed synthetic resin having a high buffering property is often used. However, since the synthetic resin cannot be incinerated after use and cannot be reused, it has to be discarded as incombustible as it is, which is not preferable from the viewpoint of environmental protection.

For this reason, recently, paper cushioning materials have been reviewed in place of synthetic resins. For example, a number of parallel intermittent strip-shaped cuts are made in used corrugated paperboard, A flexible cushioning material compressed in the cutting direction and processed into a bellows shape is known (Japanese Patent Application Laid-Open No. Hei 8-22480).
No. 7). According to this, since corrugated paper can be used as waste, not only is there no waste in the raw material, the raw material cost is extremely low, and since it is made of paper, it can of course be incinerated after being used as a buffer material. In addition, there is an advantage that it can be reused as a raw material of recycled paper.

In order to solve the problem that paper dust and dust are liable to be generated with the flexible cushioning material formed as described above, the present applicant has automatically manufactured a paper cushioning material in which the cushioning material is packed in a paper bag. (Japanese Patent Application No. 9-13024). FIG. 5 shows such a paper cushioning material manufacturing apparatus 41, and a bellows processing machine 43 for making a large number of cuts in a corrugated paperboard cut in advance to a predetermined width and length to form a bellows-like cushioning material 42, This bellows processing machine 43
Material 42 conveyed by a scraper conveyor 44 from the
Are sequentially bagged in paper bags.

When the corrugated paper is inserted into the inlet 43 in of the bellows processing machine 43, the paper cushioning material manufacturing apparatus 41 presses the bellows-shaped buffer material 42 from the outlet 43 out to the conveying path 46 of the scraper conveyor 44. When released, the scraper 47 is driven by one pitch,
The buffer material 42 is formed to be conveyed one by one. In this case, if the buffer material 42 pressed out from the bellows processing machine 43 is longer than the pitch of the scraper 47, it cannot be conveyed one by one and bagged. For this reason,
Corrugated paper cannot be used as it is, and it has to be cut into a predetermined width and length in advance according to the size of the buffer material 42 to be bagged.

Therefore, the present inventor has shown in FIG.
A bellows processing machine 53 that cuts corrugated paper into a predetermined width with a side cutter and forms a large number of cuts to form a bellows-like buffer material 52, and a bag making machine 55 from the bellows processing machine 53.
A paper buffer manufacturing apparatus 51 having an end cutter 56 for temporarily stopping the buffer material 52 and cutting the buffer material 52 to a predetermined length on a transport path 54 leading to was manufactured.

The end cutter 56 includes, for example, an optical sensor 57 for detecting a length and a buffer material when a detection signal is output from the optical sensor 57 in order to stop the buffer material 52 at a predetermined length. A pair of work holders 58A, 58 before and after pressing the workpiece 52 on the transport path 54 to stop it.
B and a rotary cutter blade 59 running in the gap.
It has.

According to this, if the used cardboard box is put into the bellows processing machine 53 without cutting it,
Since the long buffer material 52 formed to a predetermined width is cut into a fixed length by the end cutter 56 and transported to the bag making machine 55,
No pre-processing is required.

[0009]

However, in this case, if the preceding buffer material 52 is pressed forward by the buffer material 52 sent out from the bellows processing machine 53, the buffer material 52 has a bellows shape. When there is a slight resistance, the elastic material is partially contracted or deflected to accumulate elastic energy. When the elastic energy is released, the tip of the buffer material 52 moves forward so as to jump out, and the feed and the stop are alternately repeated. And it was intermittently conveyed, making it difficult to feed at a constant speed.

For this reason, even if the tip of the buffer material 52 is detected by the optical sensor 57 and the work holders 58A, 58B are operated, if the tip of the buffer material 52 is conveyed intermittently so as to jump out, the tip of the buffer material 52 will not move. Since it jumps out beyond the position of the optical sensor 57, it is difficult to make the length constant.

The work holder 5 of the end cutter 56
The interval between 8A and 58B is easier to cut as long as the cutter blade 59 does not collide, but when the cutter blade 59 spills or becomes dull, the work is cut with the cutter blade 59 while cutting the buffer material 52. There is a problem that the presser 58A and 58B are packed in the gap.

Further, when the subsequent corrugated paper is put into the bellows processing machine 53 while the buffer material 52 is being cut, the subsequent buffer material 52 accumulates behind the work retainer 58B, and the work retainers 58A, 58B. There is a problem in that, when the is lifted, the following cushioning material 52 jumps out forward and is entangled with the preceding cushioning material 52 and is sent together.

Therefore, the present invention can surely cut the buffer material sent from the bellows processing machine to a predetermined length, and furthermore, after cutting, even when the work presser is lifted, the succeeding buffer material leads the buffer material. The technical task is to avoid entanglement with the material.

[0014]

In order to solve this problem, the present invention provides a bellows-like buffer material by making a number of parallel intermittent strip-shaped cuts in corrugated cardboard and compressing the cuts in the cut direction. A bellows processing machine for forming a, and in a paper cushioning material manufacturing apparatus equipped with a bag making machine for bagging the buffer material formed by the bellows processing machine, in the transport path from the bellows processing machine to the bag making machine, An end cutter that cuts the buffer material into a fixed length, a carry-in device that loads the buffer material sent out from the bellows processing machine into the end cutter at a speed substantially equal to the sending speed, and a fixed length cut by the end cutter. An unloading device for transporting the buffer material to the bag making machine is provided, and while the buffer material is being cut by the end cutter, the bellows processing machine and the loading device are stopped, and the cutting is completed and the fixed-size buffer is stopped. Material is carried out In after being conveyed, characterized by comprising a driving control device to restart the bellows machine and loading device.

According to the present invention, when the buffer material formed to a predetermined width by the bellows processing machine is conveyed to the end cutter by the carry-in device, the buffer material is cut into a predetermined length by the end cutter, and thereafter, the bag is made by the carry-out device. Transported to the machine. At this time, the buffer material sent from the bellows processing machine is conveyed to the end cutter by the loading device at a speed substantially equal to the sending speed from the bellows processing machine, without being pressed out from the rear by the subsequent buffer material. . Thereby, during transportation, the cushioning material does not shrink or bend partially to accumulate elastic energy, and when the cushioning material is released, the cushioning material does not move forward so that the leading end of the cushioning material jumps out. The material can be transported continuously. Therefore, when the leading end of the buffer material reaches a predetermined position, the buffer material can be stopped accurately and the buffer material can be cut to a fixed size.

Next, while the buffer material is being cut by the end cutter, the bellows processing machine and the carry-in device are stopped, so that even if the cardboard is put into the bellows processing machine, the buffer material is not formed. The buffer material does not stay behind the end cutter. Then, after the cutting is completed and the buffer material is conveyed by the unloading device, the loading device and the bellows processing machine are started, so that after the cut preceding buffer material has already been sent, the subsequent buffer material is sent. Will be
The buffer material conveyed by the loading device does not become entangled with the preceding buffer material.

According to another embodiment of the present invention,
The end cutter cuts the buffer material, and a pair of front and rear work holders on the carry-in side and the carry-out side for pressing and fixing the buffer material to the transport path from above, a cutter blade for cutting the buffer material in a gap between the work holders. And a lifting device for opening the work holder on the carry-out side earlier than the work holder on the carry-in side. In this case, when the buffer material is cut by the end cutter, first, the work holder on the carry-out side is released, so that the cut-out fixed-size buffer material can be carried out by activating the carry-out device here. At this time, the work holder on the loading side keeps holding the subsequent buffer material, so that the subsequent buffer material does not jump forward due to its own elasticity and is not entangled with the preceding buffer material.

Further, if an endless belt for feeding the buffer material in the transport direction is provided above the transport path as the carry-in device, the buffer material is transported sandwiched between the transport path and the endless belt from above and below. It is transported more reliably without being partially shrunk or bent.

Furthermore, if a plurality of endless belts are arranged in parallel at a predetermined interval, the running resistance between the endless belt and the pulley around which the endless belt is wound can be reduced, so that the endless belt can be driven by a small motor. Further, even when a predetermined tension is applied to the endless belt, a small force is sufficient, and the load applied to the pulley and the rotating shaft supporting the pulley is reduced, so that the carrying-in device can be downsized. Furthermore,
Since the slit plate that closes the gap between the endless belts is provided, the cut end does not get caught in the endless belt or the pulley around which the buffer material is conveyed.

[0020]

Embodiments of the present invention will be specifically described below with reference to the drawings. 1 is a schematic configuration diagram showing a paper cushioning material manufacturing apparatus according to the present invention, FIG. 2 is an explanatory diagram showing an end cutter, FIG. 3 is an explanatory diagram showing a loading device, and FIG.
(A)-(e) is explanatory drawing which shows a use state.

The paper cushioning material manufacturing apparatus 1 according to the present invention comprises:
A bellows processing machine 4 for forming a bellows-shaped buffer material 3 by making a number of parallel intermittent strip-shaped cuts in the corrugated paperboard 2 and compressing the cuts in the cutting direction, and a buffer formed by the bellows processing machine 4 A bag making machine 5 for bagging the material 3 is provided.

The bellows processing machine 4 to the bag making machine 5
And an end cutter 7 for cutting the buffer material 3 to a fixed size, and a buffer material 3 sent from the bellows processing machine 4 toward the end cutter 7 at a speed substantially equal to the sending speed. A carry-in device (transport device) 8 for carrying and a carry-out device 9 for carrying the fixed-size buffer material 3a cut by the end cutter 7 to the bag making machine 5 are provided.

The end cutter 7 includes a pair of front and rear parallel work holders 10F and 10B for pressing and fixing the buffer material 3 from above onto the transport path 6, and the work holders 10F and 1B.
After cutting the buffer material 3 and the rotary cutter blade 11 that moves in the direction orthogonal to the transport path 6 between the positions 0B and 0B, the work holder 10B on the loading device 8 side is moved from the work holder 10F on the unloading device 9 side. And an air cylinder (elevating device) 12 that is opened with a delay.

The work holder 10 on the unloading device 9 side
F is fixed to a pedestal 12b formed at the tip of the piston rod 12a of the air cylinder 12, and moves up and down in synchronization with the vertical stroke of the piston rod 12a. Also, the work holder 10B on the loading device 8 side is
b so as to be vertically expandable and contractable by a predetermined stroke via a spring 12c.
Is in a neutral state, its tip is lower than the other work holder 10F.

Thus, when the piston rod 12a is extended, first, the work holder 10 on the loading device 8 side is set.
B presses the buffer material 3 against the transport path 6 and then further extends the piston rod 12a.
c is contracted and the work clamp 10B is stopped,
The work presser 10F on the unloading device 9 side is configured to press the buffer material 3.

When the piston rod 12a is contracted, first, the work holder 10F on the unloading device 9 is raised to release the preceding buffer material 3, and when the piston rod 12a is further contracted, the work holder 10B The spring 12c extends while holding the subsequent buffer material 3, and finally, the work retainer 10B is raised to release the subsequent buffer material 3.

The carry-in device 8 includes a drive unit 14 having a plurality of parallel endless belts 13... For feeding the buffer material 3 in the transport direction above the transport path 6, and each endless belt 1.
3 are formed in the transport path 6 and have slits 15 formed therein. The slit plate 16 is disposed between the transport path 6 and the drive unit 14 so that a gap between the endless belts 13 is formed. It is made to close. In addition, 1
7 are pulleys around which endless belts 13 are wound, 1
Reference numeral 8 denotes a rotation shaft of each pulley 17. Reference numeral 19 denotes a motor for driving the endless belts 13 to travel.

Reference numeral 20 denotes a drive control device that starts / stops the bellows processing machine 4, the end cutter 7, the carry-in device 8, and the carry-out device 9 at a predetermined timing, and cuts the buffer material 3 by the end cutter 7. During this time, the bellows processing machine 4 and the loading device 8 are stopped, and after the cutting is completed and the fixed-size buffer material 3a is transported by the unloading device 9, the bellows processing machine 4 and the loading device 8 are restarted. It is made to let.

The drive control device 20 includes, for example, a carry-in confirmation sensor S that outputs a detection signal to the input side when the buffer material 3 is carried into the end cutter 7 by the carry-in device 8.
_1, a disconnection confirmation sensor S ₂ for outputting a detection signal when the buffer material 3 is cut by the end cutter 7, when the fixed-length buffer material 3a cut by the end cutter 7 is carried out by unloading apparatus 9 It is out confirmation sensor S ₃ for outputting a detection signal is connected to the output side, the bellows machine 4, the end cutter 7, loading device 8, unloading device 9 is connected.

As the sensors S _{1 to} S ₃ , arbitrary ones such as an optical sensor are used. For example, loading confirmation sensors S ₁ is detected the tip of the buffer material 3 conveyed by the conveying apparatus 8 passes through the end cutter 7 reaches a predetermined position, and detects that blocks the optical path of the sensor S ₁ Output a signal. Further, the cutting confirmation sensor S ₂ is connected to the piston rod 1
2a contracts, the work holder 10F on the carry-out device 9 side is opened, and the pedestal 12b returns to a position where the work holder 10B on the carry-in device 8 has not been opened yet, and the sensor S ₂
And outputs a detection signal. Further, out confirmation sensor S ₃ is the fixed-length buffer material 3a which is cut a predetermined distance from the end cutter 7, that the optical path is conductive by its rear end passes through the optical path of the sensor S ₃ It detects and outputs a detection signal.

When the start switch (not shown) is turned on, the drive control device 20 starts the bellows processing machine 4, the carry-in device 8, and the carry-out device 9 based on the detection signal of the carry-in confirmation sensor S _1. bellows machine 4 Te, loading device 8, the operation of the carry-out device 9 is activated the end cutter 7 with stops, on the basis of the detection signal of the disconnection confirmation sensor S ₂ activates the unloading apparatus 9, the discharge confirmation sensor S _The bellows processing machine 4 and the carry-in device 8 are restarted based on the detection signal of ( ₃ ).

The above is an example of the configuration of the present invention. Next, the operation thereof will be described with reference to FIGS. First, when a start switch (not shown) is turned on, the bellows processing machine 4, the carry-in device 8, and the carry-out device 9 are started. Here, the cardboard paper 2 obtained by folding the used cardboard box is
As shown in FIG. 4 (a), when put into the bellows processing machine 4,
As a buffer material 3 having a predetermined width, it is pressed out onto the transport path 6,
It is transported to the end cutter 7 by the loading device 8.

The loading device 8 is located above the transport path 6
An endless belt 13 for feeding the buffer material 3 in the transport direction is provided. The buffer material 3 is sandwiched between the transport path 6 and the endless belt 13 from above and below at a speed substantially equal to the sending speed from the bellows processing machine 4. Conveyed. Thereby, during transportation, the cushioning material 3 partially shrinks or bends to accumulate elastic energy, and when the cushioning material 3 is released, the cushioning material 3 may advance forward so that the leading end side of the cushioning material 3 jumps out. In addition, the buffer material 3 can be continuously transported.

Further, since the endless belts 13 are arranged in parallel at a predetermined interval, a running resistance between the endless belts 13 and the pulleys 17 around which the endless belts 13 are wound is reduced. A small one with a small capacity is sufficient. Furthermore, the endless belt 13
, A small amount of force is required even when a predetermined tension is applied to the pulley 17, the load on the pulleys 17 and the rotating shafts 18 supporting the pulleys 17 is reduced, and the carry-in device 8 can be downsized.
Furthermore, since the slit plate 16 for closing the gap between the endless belts 13 is provided, when the cushioning material 3 is conveyed, the cut ends are caught in the endless belts 13 and the pulleys 17 around which the endless belts 13 are wound. Nor.

Then, as shown in FIG. 4B, when the buffer material 3 passes through the end cutter 7 and the tip thereof blocks the optical path of the carry-in confirmation sensor S _1, a detection signal is output from the sensor S _1. Then, the operation of the bellows processing machine 4, the carry-in device 8, and the carry-out device 9 is stopped, and the end cutter 7 is started. At this time, since the buffer material 3 is continuously conveyed at a constant speed by the carry-in device 8, the buffer material 3 is accurately stopped when the leading end of the buffer material 3 reaches a predetermined position. Therefore, the buffer material 3 can be cut to a fixed size.

When the end cutter 7 is activated, first,
When the piston rod 12a of the air cylinder 12 is extended, the work holders 10B and 10F are lowered,
First, as shown in FIG.
0B, and then pressed by the work holders 10B and 10F on both the carry-in side and the carry-out side as shown in FIG. At this time, since the operation of the bellows processing machine 4 and the carry-in device 8 is stopped, the buffer material 3 is not further fed from behind the buffer material 3 being pressed by the work holders 10F and 10B. Further, since the work holder 10B on the loading side holds the buffer material 3 before the work holder 10F on the unloading side, even if the buffer material 3 is sent from behind due to a delay in the stop timing of the loading device 8, each work may be stopped. The buffer material 3 does not accumulate or clog between the pressers 10B and 10F.

In this state, when the cutter blade 11 is run as shown in FIG. 4C, the buffer material 3 is cut to a fixed size. When the cutter blade 11 returns to the original position, the air cylinder 12
Is contracted. And FIG.
As shown in (d), the work holder 10F on the unloading device 9 side
Buffer material 3a cut by end cutter 7
Is released, and when the buffer material 3 is pressed by the work presser 10B of the loading device 8, the cutting confirmation sensor S ₂
Outputs a detection signal. As a result, the unloading device 9 is activated, so that the cut fixed-size buffer material 3a is unloaded from the end cutter 7 to the bag making machine 5. At this time, since the succeeding buffer material 3 is pressed against the transport path 6 by the work holder 10B of the loading device 8, the leading end does not jump out to the unloading device 9 side of the end cutter 7.

When the piston rod 12a of the air cylinder 12 is further contracted, as shown in FIG.
The spring 12c returns to neutral, the work holder 10B on the carry-in device 8 rises, and the subsequent buffer material 3 is released. At this time, even if the leading end of the buffer material 3 may fly forward, the preceding fixed-size buffer material 3a is conveyed by the unloading device 9 and is not already at that location, so that both may be entangled. Absent.

[0039] Then, the fixed-length buffer material 3a conveyed by the unloading device 9, is conveyed to the bag-making machine 5, the optical path is turned by its rear end passes through the optical path of the carry-out confirmation sensor S ₃ When, it is output the detection signal from the sensor S _3, thereby, bellows machine 4, the loading device 8 is restarted to repeat the steps from FIG. 4 (a).

In the above description, each work holder 1
Although the case where 0F and 10B are moved up and down by the air cylinder 12 has been described, an arbitrary actuator can be adopted. Further, the invention is not limited to the case of raising and lowering by one air cylinder 12, and each work holder 10F and 10B may be individually raised and lowered by using two air cylinders and other actuators.

Further, the case where the drive unit 14 including the plurality of parallel endless belts 13 is provided above the transport path 6 as the loading device 8 has been described, but an arbitrary transport mechanism may be employed. it can. However, since the buffer material 3 to be conveyed is formed by cutting the paper, paper dust and dust are liable to fall off. Therefore, when the drive unit 14 is disposed above the conveyance path, a problem due to paper dust and dust occurs. Hateful. Further, the unloading device 9 can also employ an arbitrary transport mechanism such as a scraper conveyor or a belt conveyor.

Further, the carry-in confirmation sensor S ₁ detects when the tip of the buffer material 3 conveyed by the carry-in device 8 reaches a predetermined position, and the cutting confirmation sensor S ₂ uses the end cutter 7 to detect the buffer material 3. at the timing when cut (e.g., the timing of work holding 10F of the carry-out side is opened), out confirmation sensor S ₃ is fixed-length buffer material 3a
Any type, configuration, detection target, and detection position can be used as long as the detection signal can be output at the timing when the is transported by the unloading device 9 for a predetermined distance.

[0043]

As described above, according to the present invention, the buffer material sent out from the bellows processing machine is transported at a constant speed by the loading device. When the leading end of the buffer material reaches a predetermined position, it can be stopped accurately. Also,
While the buffer material is being cut by the end cutter, the bellows processing machine and the carry-in device are stopped, so that the buffer material is sent one after another before the end cutter, so that there is no delay.
Furthermore, when the cutting is completed, the buffer material cut by the end cutter is carried out by the unloading device, and then the subsequent buffer material is carried in, so that the subsequent buffer material is transported while being entangled with the preceding buffer material. It has the effect of not being done.

Further, if the work presser of the loading device side of the end cutter is opened later than the work presser of the unloading device side, until the cut fixed-size buffer material is carried out, the subsequent buffer material will not be released. Since it is pressed, there is an effect that the following cushioning material can be prevented from jumping forward due to its own elasticity and becoming entangled with the preceding cushioning material.

Furthermore, when an endless belt for feeding the buffer material in the transport direction is provided above the transport path as the loading device, the buffer material is transported sandwiched between the transport path and the endless belt from above and below. Thus, there is an effect that the sheet is transported more reliably without being partially shrunk or bent.

In this case, if a plurality of endless belts of the loading device are provided in parallel, the running resistance between the endless belt and the pulley around which the endless belt is wound is reduced, and therefore a small motor having a small capacity is sufficient. Furthermore, even when a predetermined tension is applied to the endless belt, only a small force is required, and the load on the pulley and the rotating shaft supporting the pulley can be reduced, so that the carry-in device can be downsized. Furthermore, since the slit plate that closes the gap between the endless belts is provided, it is possible to prevent the cut end from being caught in the endless belt or the pulley around which the buffer material is transported when the buffer material is transported. is there.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a paper cushioning material manufacturing apparatus according to the present invention.

FIG. 2 is an explanatory view showing an end cutter.

FIG. 3 is an explanatory view showing a loading device.

FIGS. 4A to 4E are explanatory diagrams showing a use state.

FIG. 5 is an explanatory view showing a conventional device.

FIG. 6 is an explanatory view showing a prototype device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Paper buffer manufacturing apparatus 2 ... Corrugated cardboard 3 ... Buffer material 3a ... Standard-size buffer material 4 ... Bellows processing machine 5 ... Bag making machine 6 ... Transport path 7 ··· End cutter 8 ··· Loading device (conveying device) 9 ··· Unloading device 10F, 10B ··· Work holder 11 ··· Cutter blade 12 ··· Air cylinder (elevating device) 13 ··· Endless belt 14. Drive unit 16 Slit plate 20 Drive control unit S ₁ ··· Confirmation sensor S ₂ ··· Cutting confirmation sensor S ₃ ··· Conveyance confirmation sensor

Claims (7)

[Claims] 1. A bellows processing machine (4) for forming a plurality of parallel intermittent strip-shaped cuts in a corrugated paperboard (2) and compressing the cuts in the cutting direction to form a bellows-shaped buffer material (3).
And a paper cushioning material manufacturing apparatus provided with a bag making machine (5) for bagging the buffer material (3) formed by the bellows processing machine (4). An end cutter (7) for cutting the buffer material (3) into a fixed length and a buffer material (3) sent from the bellows processing machine (4) are sent to a transport path (6) leading to (5). A carry-in device (8) for carrying in the end cutter (7) at a speed substantially equal to the speed, and a carry-out device for carrying the fixed-size buffer material (3a) cut by the end cutter (7) to a bag making machine (5). (9) is provided, and while the buffer material (3) is being cut by the end cutter (7), the accordion processing machine (4) and the loading device (8) are stopped, and the cutting is completed. After the fixed-size buffer material (3a) is conveyed by the unloading device (9), the bellows processing machine (4) and the loading device (8) Paper cushioning material manufacturing apparatus comprising the driving control device to restart the (20). 2. A pair of front and rear work holders (10F, 10B) on the carry-in side and the carry-out side for fixing the cushioning material (3) by pressing the cushioning material (3) from above onto the conveying path (6).
And the gap between the work holder (10F, 10B) and the buffer material (3)
After cutting the cutter blade (11) and the buffer material (3), the workpiece holder (10F) on the unloading side is held down by the workpiece holder on the loading side.
2. The apparatus for producing a cushioning material according to claim 1, further comprising an elevating device (12) opened earlier than (10B). 3. A drive unit (14) having an endless belt (13) for feeding a buffer material (3) in a transport direction is provided above the transport path (6) in the loading device (8). 3. The apparatus for producing a cushioning material made of paper according to claim 1. 4. The loading device (8), wherein the driving unit (1)
The endless belts (13 ...) of 4) are arranged in parallel at a predetermined interval, and the endless belts (13
..) Are exposed in the transport path (6), and the slit plate (16) for closing the gap is formed by the transport path (6) and the drive unit (14).
4. The paper cushioning material manufacturing apparatus according to claim 3, which is disposed between the paper cushioning materials. 5. The loading control sensor (S ₁ ) for outputting a detection signal when the tip of the buffer material (3) transported by the loading device (8) reaches a predetermined position.
And a cutting confirmation sensor (S ₂ ) that outputs a detection signal when the buffer material (3) is cut by the end cutter (7).
And the standard-size buffer material (3
a) is provided with an unloading confirmation sensor (S ₃ ) for outputting a detection signal when the unloading device (9) is unloaded, and based on the detection signal of the unloading confirmation sensor (S ₁ ), the bellows processing machine (4), stops the operation of the loading device (8) and the unloading device (9) to activate the end cutter (7), to activate the discharge device (9) based on a detection signal of the disconnection confirmation sensor (S _2), wherein based on the detection signal bellows machine (4) and loading device (8) restarted to so made claims 1 to 4 paper cushioning material manufacturing apparatus according to the carry-out confirmation sensor (S _3). 6. A long bellows-shaped buffer material (3) formed by making a number of parallel intermittent strip-shaped cuts in a corrugated cardboard (2) and compressing the cuts in the cut direction. A pair of front and rear work holders (1) on the carry-in side and the carry-out side for pressing and fixing the buffer material (3) onto the transport path (6) from above.
0F, 10B), a cutter blade (11) for cutting the buffer material (3) in the gap between the work holders (10F, 10B), and a buffer material (3)
And a lifting device (12) for opening the work holder (10F) on the carry-out side before opening the work holder (10B) on the carry-in side. 7. A long corrugated buffer material (3) formed by making a number of parallel intermittent strip-shaped cuts in a corrugated cardboard (2) and compressing the cuts in the cut direction. A transport unit (14) comprising a plurality of parallel endless belts (13 ...) for transporting the buffer material (3) in the transport direction above the transport path (6). ), And a slit plate (16) for closing a gap between the endless belts (13...) Is provided between the transport path (6) and the drive unit (14). Transport device.