JP2001277190A - Notch forming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a notch forming device for forming a notch in a waste material, etc., capable of adjusting the cut-in length to be provided in the waste material, etc., so that a buffer material is fabricated. SOLUTION: The notch forming device is composed of two roller cutters 22 and 23 installed opposingly with the axes laid parallel and a number of notch forming blades installed protruding from the surfaces of the roller cutters 22 and 23 with a gap reserved corresponding to the thickness of notch forming blades 26 installed on the roller cutters 22 and 23 for generating notches in a waste material W, etc., wherein the mutual distance of the two cutters 22 and 23 is arranged changeable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a notch forming apparatus. More specifically, the present invention relates to a notch forming apparatus for forming a notch in a waste material or the like with two roller cutters installed opposite to each other to manufacture a cushioning material.

[0002]

2. Description of the Related Art Conventionally, a cushioning material forming apparatus for manufacturing a cushioning material to be used as a cushion for transportation or a cushioning material to be used as a cushion for transportation, or a cushioning material using the produced cushioning material is provided by cutting a waste material such as corrugated cardboard and making a cut. USP5,0
88, 972 "Folding and crimping means" and Utility Model Registration No. 3015845 "Paper cushion forming apparatus" are known.

[0003]

However, in these conventional examples, the upper roller cutter 22 and the lower roller cutter 23, which are two roller cutters, are installed vertically in parallel, and the two roller cutters are located between the two roller cutters. There is a description about making a cut in the waste material or the like by passing the waste material or the like. However, since the roller cutter is fixed, it is difficult to adjust the cut length.

[0004]

SUMMARY OF THE INVENTION The present invention provides two roller cutters which are installed so as to face each other in parallel in an axis, and a thickness corresponding to a thickness of a notch forming blade provided on the roller cutter facing from the roller cutter surface. The present invention provides a notch forming apparatus comprising a plurality of notch forming blades projecting at intervals and providing cuts in waste material or the like, wherein the distance between the two roller cutters can be changed. . Therefore, the cut length is changed by changing the distance between the rotation axes of the roller cutters and changing the degree of overlap between the cut forming blades. That is, by bringing the rotating shafts closer to each other, the contact portion between the cut material and the waste material to be cut is made longer, and the cut length provided in the waste material and the like is made longer. When the cut length is shortened, the contact point between the cut material and the cut forming blade is shortened by increasing the distance between the rotating shafts.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a front view of a cushioning material forming device, a cushioning material cutting device and a cushioning material packing device. FIG. 1 shows a cushioning material forming device, a cushioning material cutting device, a cushioning material packing device and a paper dust suction device. FIG. 2 showing a partial sectional plan view, FIG. 3 showing a plan view of a cushioning material forming apparatus, FIG. 4 showing a front view of the cushioning material forming apparatus, FIG. 5 showing a side view of the cushioning material forming apparatus, FIG. 6 and 7 showing partially enlarged front views, FIG. 8 showing a partially enlarged view of a roller cutter portion, FIGS. 9 and 10 showing process diagrams of a cushioning material forming apparatus and a cushioning material packing apparatus, and a width regulation guide. 11 will be described with reference to a perspective view of FIG. 11 is a cushioning material forming apparatus. The cushioning material forming device 11 is formed of a substantially rectangular parallelepiped. Reference numeral 12 denotes an upstream guide unit. Upstream guide section 12
Is composed of a flat table provided on the upper part of the cushioning material forming apparatus 11, and guides to a cushioning material forming operation by installing a waste material W such as cardboard on the table. 13
Is a width regulation guide. The width regulating guide 13 is formed of a plate-like body, and is formed at the leading end of the upstream guide portion 12 on the upstream side of the notch forming portion 21 in the vertical direction which is installed in parallel with the traveling direction of the waste material W or the like in the vertical direction. Consists of pieces. The lower end of the width regulating guide 13 is in contact with the surface of the upstream guide portion 12. The width regulating guide 13 is attached to the guide sliding means 14 and the guide sliding means 1
4 along the width direction. Guide sliding means 14
Is made of a metal rod in this embodiment. The guide sliding means 14 is installed at a position higher than the height of the waste material formed on the upstream side guide portion 12 and in the vertical width direction which is a direction intersecting the waste material introduction direction, and the base portion is provided with a cushioning material forming device. 11 side. The width regulating guide 13 is provided with a bolt, and when an appropriate position on the guide sliding means 14 is selected, the bolt is tightened and fixed to determine the position. Waste material W
Pass through the outside of the width regulating guide 13, that is, the free end side of the guide sliding means 14, and the left side of the width regulating guide 13 in FIG. When the width regulation of the waste material processed by the width regulation guide 13 is not particularly performed, the width regulation guide 13
It is moved to the cushioning material forming device 11 side. Since the waste material W and the like pass through the outside of the width regulating guide 13, in this case, the widest waste material W and the like are passed. 17 is a stopper. The stopper 17 is attached to the left end of FIG.
Is further restricted to the free end side. Reference numeral 15 denotes an emergency switch, and reference numeral 16 denotes a start switch.

Reference numeral 21 denotes a cut forming section. Notch forming part 2
In FIG. 1, an upper roller cutter 22 and a lower roller cutter 23, which are two roller cutters, are installed vertically parallel as shown in FIGS. Reference numerals 24 and 25 denote rotating shafts to which an upper roller cutter 22 and a lower roller cutter 23 are respectively attached. Each of the upper roller cutter 22 and the lower roller cutter 23 has a disk-shaped notch forming blade 26 having a thickness of several mm, and a rotating shaft 24 at intervals of several mm.
A large number of them are mounted vertically on the 25. Alternatively, a notch forming blade 26 in a protruding state having a thickness of several mm is formed on the surface with a gap of several mm by shaving a cylindrical metal rod. The notch forming blade 26 is partially provided with a notch recess 27. That is, the notch forming blades 26 provided on the roller cutters 22 and 23 facing from the surfaces of the roller cutters 22 and 23.
A number of notch forming blades are protruded at intervals corresponding to the thickness of the blade. In this embodiment, the upper roller cutter 2
2 is provided with one notch recess 27 for each notch forming blade 26. Then, in the upper roller cutter 22, as shown in FIG.
The notch recesses 27 are sequentially shifted by 0 degrees. In the lower roller cutter 23, the notch recess 27 is formed with the notch forming blade 2.
Each 6 is provided 120 degrees at three places at equal intervals. One of the notch recesses 27 is installed so as to take a position opposite to the notch recess 27 provided on the adjacent upper roller cutter 22 side as shown in FIG. A notch forming blade 26 provided in the upper roller cutter 22,
Cut forming blade 26 provided in lower roller cutter 23
Is shifted by substantially the width of the blade, and overlaps with the inside of the outer periphery of the notch forming blade 26 as shown in FIGS. A cut is provided in the waste material W by contact of the upper roller cutter 22 and the lower roller cutter 23 with the waste material W or the like. The waste material W and the like are supplied to the upper roller cutter 22.
A cut is provided by passing between the lower roller cutter 23 and the lower roller cutter 23, and swells up and down.

Reference numeral 71 denotes a front frame, and 72 denotes a rear frame. Both the front frame 71 and the rear frame 72
The upper roller cutter 22 and the lower roller cutter 23 are installed in parallel on the upstream side and the downstream side with an interval. 73 is an upper side plate, and 74 is a lower side plate. The upper side plate 73 and the lower side plate 74 are mounted between the front frame 71 and the rear frame 72 at right angles to each frame. Reference numeral 75 denotes a long hole, which is provided from the surface of the front frame 71 and the rear frame 72 to the upper side plate 73 and the lower side plate 74. A fixing bolt 76 is screwed into the long hole 75 to fix the upper side plate 73 and the lower side plate 74 from the surfaces of the front frame 71 and the rear frame 72, respectively. 77 is an adjustment bolt. The adjustment bolt 77 is fixed to the upper side plate 73 and the lower side plate 74 with a nut 78. Adjustment bolt 77
The distance between the upper side plate 73 and the lower side plate 74 is adjusted by adjusting the mounting position of the. By adjusting the distance between the upper side plate 73 and the lower side plate 74, the rotation axis 2
Adjust the distance between 4 and 25 and adjust the upper roller cutter 2
The distance between the lower roller cutter 23 and the lower roller cutter 23 is adjusted. The length of the cut is changed by changing the interval between the rotating shafts 24 and 25 and changing the degree of overlap between the cut forming blades 26. That is, by bringing the rotating shafts 24 and 25 closer to each other, the contact point between the waste material W or the like to be cut and the notch forming blade 26 is increased, and the cut length provided in the waste material W or the like is increased. When shortening the cut length, use the rotating shaft 2
By making the distances 4 and 25 apart from each other, the contact point between the cut waste blade 26 and the waste material W to be cut is shortened.

Therefore, the waste material W or the like, which is installed in the upstream guide portion 12 and inserted into the cut forming portion 21,
3 regulates the width. Moreover, the width regulating guide 13 is slidable in the width direction. Therefore, the width of the cushioning material formed by the cut forming part 21 can be freely obtained by the width regulating guide 13.

Reference numeral 28 denotes a width separating portion. The width direction separating portion 28 is composed of a cutting blade 28 having no notch recess 27,
The rotating shafts 24 and 25 are attached to the outermost of the cut forming blade 26 of the upper roller cutter 22. Since the cutting blade 28 is not provided with the notch concave portion 27, the cutting blade 28 is rotated to cut the waste material W or the like that comes into contact into a portion to be used as a cushioning material and a portion not to be used.

Reference numerals 29 and 30 denote roller-side sprockets. The roller-side sprocket 29 and the sprocket 30 are attached to the ends of the rotating shaft 24 and the rotating shaft 25 opposite to the end where the cutting blade 28 is provided. 31 is a drive motor. The drive motor 31 is driven or stopped by operating the start switch 16. 31 and 32 are driving sprockets. The driving sprockets 31 and 32 are driven to rotate by a driving motor 31. 33 and 34 are chains. The driving sprocket 31 rotates the roller side sprocket 29 via the chain 33.
The driving sprocket 32 rotates the roller side sprocket 30 via the chain 34.

Reference numeral 35 denotes a separation guide. Separation guide 3
5 is installed at a downstream position of the width direction separation unit 28. The cut waste material W and the like are separated into a portion used as a buffer and an unused portion by contacting the separation guide 35, and the portion not used as a buffer is guided to the outside.
In this embodiment, a cutting blade is provided at the tip of the separation guide 35 which is a contact portion with the cut portion formed by the width direction separation portion 28 of the waste material W, but the tip may be spherical. In the case where the cutting blade is provided at the tip, even if the cutting by the cutting blade 28 of the width direction separating portion 28 is insufficient, it is possible to further cut and separate. When the tip is spherical, the separation is performed smoothly.

Reference numeral 36 denotes a downstream guide. The downstream guide section 36 is provided as a flat table on the downstream side of the cut forming section 21. 41 is a cushioning material forming device cover. The cushioning material forming device cover 41 is removably mounted on the upstream guide portion 12, the cut forming portion 21, and the downstream guide portion. Therefore, at the time of forming cuts in the waste material W or the like in the cut forming section 21, scattering of dust to these upper portions is prevented. The upper and lower distances B between the upstream guide portion 12 and the cushioning material forming device cover 41 are made equal intervals between the notch forming portions 21. Therefore, it is possible to suppress excessive vertical movement of the waste material W or the like inserted into the cut forming section 21. The space between the downstream guide portion 36 and the cushioning material forming device cover 41 is equally spaced up to a certain point in the middle, but is gradually increased from the substantially middle portion toward the downstream. Therefore, it is easy to accommodate the expanded waste material W provided with the cuts.

Reference numeral 42 denotes a downstream pressing portion. The downstream-side pressing portion 42 is formed of a plate-like body, and the upper side is slidably mounted vertically on the cushioning material forming device cover 41 over the entire width of the cut forming portion 21 downstream of the cut forming portion 21 to cover the same. . Therefore, scattering of dust generated when the cut forming section 21 forms the cut is prevented. A weight 43 is attached to the downstream side of the downstream pressing portion 42. Therefore, the notch forming part 21
, The waste material W and the like in which the cut is formed can be suppressed from expanding upward.

Reference numeral 44 denotes a suction hole. Suction hole 44
Is formed by drilling a large number of holes on the surface of the downstream guide portion 36 located on the lower surface of the downstream pressing portion 42 downstream of the cut forming portion 21. 45 is a duct and 46 is a suction device. A fan is installed in the suction device 46 and forcibly sucks dust from the suction hole 44 through the duct 45. The cut waste material W or the like is pressed and sealed by the downstream pressing portion 42 pressed by the weight 43, and a suction hole 44 is provided thereunder. Therefore, the suction device 46 is used for the cushioning material forming device 1.
The size of the suction device 46 is reduced as compared with the case where the suction device is installed downstream of the first device 1, and the dust can be efficiently sucked.

Reference numeral 51 is a cushioning material cutting device. The cushioning material cutting device 51 is installed downstream of the cushioning material forming device 11.
52 is a cushioning material transport conveyor. The cushioning material transport conveyor 52 transports waste materials W such as corrugated cardboard provided with cuts produced by the cushioning material molding device 11 located on the upstream side to the downstream side. 53 is a cushioning material cutter. The cushioning material cutter 53 includes a cushioning material transport conveyor 52 and a cushioning material cutter 5.
3 is installed in the upper part on the upstream side. The waste material W and the like are cut by the buffer material cutter 53 into a length suitable for packing. 54
Is a length sensor. The length sensor 54 is a contact-type or non-contact-type sensor, and detects the passage of the waste material W or the like conveyed by the buffer material conveyor 52.

Reference numeral 81 is a cushioning material packing device. The cushioning material packing device 81 is installed downstream of the cushioning material cutting device 51. Reference numeral 55 denotes a packaging roll for the upper surface of the cushioning material packaging device 81, and reference numeral 56 denotes a packaging roll for the lower surface. The upper surface packaging roll 55 is provided with the cushioning material cutter 53 of the cushioning material cutting device 51.
Is formed by winding a sheet, which is a covering material used for covering the upper surface of the waste material W or the like cut by the above method. The lower surface packaging roll 56 is formed by winding a sheet, which is a coating material used for coating the lower surface of the waste material W or the like cut by the buffer material cutter 53. 57 is an upper feed roller, 58
Is a lower feed roller. The upper feed roller 57 and the lower feed roller 58 are both rollers that are wider than the side portions of the cushioning material to be sealed, and are installed at both ends of the cushioning material packing device 81. However, one of the upper and lower feed rollers 57 and 58 constituting one end of each of the lower and upper feed rollers 58 is a lower and upper feed roller 57 and a lower feed roller 58 shown in FIG. Figure 2
As shown in the figure, the roller can move to the opposite roller side. Therefore, it is possible to adjust the contact position with the buffer material to be conveyed. The upper feed roller 57 and the lower feed roller 58 are installed so as to face each other up and down, drive both rolls, and pass the sheets supplied from the upper-side wrapping roll 55 and the lower-side wrapping roll 56 therebetween. The waste material W or the like cut by the buffer material cutter 53 is supplied. As shown in FIG. 2, the upper feed roller 57 and the lower feed roller 58 are provided at both ends and are not provided at the center. 59 is an upper seal roller, and 60 is a lower seal roller. The upper seal roller 59 includes an upper feed roller 57
, The lower seal roller 60 is installed downstream of the lower feed roller 58 so as to be vertically opposed to each other. As shown in FIG. 2, the upper seal roller 59 and the lower seal roller 60 are both formed of rollers wider than the side of the cushioning material to be sealed, and are installed at both ends of the cushioning material packing device 81. However, the upper seal roller 59 is one of the two rollers constituting both ends of the upper feed roller 57, and the upper seal roller 59 and the lower seal roller 60 on the right side in the lower direction shown in FIG. , Can be moved to the opposite roller side as shown in FIG. for that reason,
It is possible to adjust the contact position with the conveyed cushioning material. It is installed at both ends and not at the center. The upper seal roller 59 and the lower seal roller 60 are driven, and a sheet supplied from the upper surface packaging roll 55 between the two rolls and a cushioning material such as waste material W cut by the cushioning material cutter 53 are transferred to the lower surface packaging roll. The sheets supplied from 56 are stacked and passed. Heat is applied to both ends of the upper and lower sheets passing between the upper seal roller 59 and the lower seal roller 60, and both side ends of the sheet are pressed.

Reference numeral 61 denotes a pillow sensor. The pillow sensor 61 includes an upper seal roller 59 and a lower seal roller 6.
The sheet supplied from the upper surface packaging roll 55 and the buffer material composed of the waste material W cut by the buffer material cutter 53 are installed at the upper part of the transport position of the sheet supplied from the lower surface packaging roll 56. You. Pillow sensor 6
1 detects a sheet supplied from the upper surface packaging roll 55 and a sheet supplied from the lower surface packaging roll 56. 62 is a top seal. Top seal 62
Is installed downstream of the pillow sensor 61. The top seal 62 is composed of an upper die and a lower die which are operated to approach and separate from each other, a sheet supplied between the upper die and the lower die, a waste material W cut by the cushioning material cutter 53, and the like.
The sheets supplied from the lower surface packaging roll 56 are stacked and passed. The top seal 62 sandwiches the sheet supplied from the upper-side wrapping roll 55 and the sheet supplied from the lower-side wrapping roll 56 between the upper die and the lower die, and places the sheets coated with the heat-sensitive adhesive on the inner surface. Crimp. 63
Is a pillow cutter. The pillow cutter 63 is installed close to the top seal 62. In this embodiment, the pillow cutter 63 is provided at an intermediate portion of the pillow seal 62, and can be moved up and down. Top seal 62
The sheet supplied from the upper surface packaging roll 55 and the lower surface packaging roll 5 by passing between the upper die and the lower die.
The sheet supplied from 6 is cut. Alternatively, by adjusting the protrusion amount of the cutter blade of the pillow cutter 63 and slightly projecting the cutter blade, it is possible to form a perforation on the sheet by lowering the pillow cutter 63.

Reference numeral 64 denotes a pillow conveyor. The pillow transport conveyor 64 is installed downstream of the top seal 62, and is constantly rotated to transport the packed cushioning material that has passed through the top seal 62 and the pillow cutter 63. 65 is
Exit sensor. The exit sensor 65 detects the packed cushioning material W <b> 1 conveyed by the pillow conveyance conveyor 64. When the exit sensor 65 senses the presence of the cushioning material W1, it causes the exit sensor timer to turn on. 66
Is a guide plate. The guide plate 66 is mounted movably in the width direction downstream of the cushioning material cutter 53 to match the width of the cushioning material to be conveyed.

Next, the operation of the cushioning material forming device and the cushioning material packing device will be described with reference to FIGS. The start switch 16 is turned on. Then, the heater of the top seal 62 is turned on, and the top seal 62 is heated. The heating of the top seal 62 to the set temperature is visually checked. When the heating of the top seal 62 to the set temperature is confirmed, the emergency switch 15 is turned off. When the emergency switch 15 is not turned off, the buzzer lamp is turned on and released, and the emergency switch 15 is turned off again. When the emergency switch 15 is turned off, the start switch 16 is turned on. When the start switch 16 is turned on,
The pillow conveyor 64 is driven. When the pillow conveyor 64 is driven, the cushion cutter 53, the top seal 62, and the pillow cutter 63 are opened.

Next, the state during the operation is confirmed. If the exit sensor 65 is in the ON state and the exit sensor timer does not take the OFF state within the predetermined time, the cushioning material packed near the exit is Since the clogging has occurred, the operation of at least the pillow transport conveyor 64 or the entire apparatus is stopped. If the exit sensor 65 is not in the ON state while the work is being performed, it is determined whether the pillow sensor 61 is in the ON state.
When the pillow sensor 61 is in the ON state, the wrapping timer is set to the ON state. If the length sensor 54 does not take the off state while the packaging timer is in the on state, at least the operation of the upper seal roller 59 and the lower seal roller 60 or the entire apparatus is stopped. That is, when the pillow cutter 63 has a notched cushioning material, when the length sensor 54 detects the cushioning material, the cushioning material conveyor 52 operates to cause clogging at the pillow sensor 61, so that a predetermined time is calculated. Activate the packaging timer. When the length sensor 54 is turned off, the upper feed roller 57 and the lower feed roller 58
, And between them, the upper surface packaging roll 5
5. Through the sheet supplied from the lower surface packaging roll 56, the waste material W cut by the buffer material cutter 53 is supplied between the two sheets.

In the case where the operation is being performed,
When the exit sensor 65 is not in the ON state, the pillow sensor 61 is not in the ON state, and the length sensor 54 is in the ON state, the waste material W is extended to the length sensor 54. And so on, so that the buffer material cutter 53 is operated to cut the cut waste material W and the like. Then, the length sensor 5
A buffer material of a predetermined length from 4 to the buffer material cutter 53 is obtained.

When the operation is not being performed, the upper roller cutter 22 and the lower roller cutter 23
Is driven. Next, a waste material W or the like such as corrugated cardboard or cardboard is applied to the regulation guide 13 and thrown in the direction of the cut forming portion 21. In the notch forming section 21, notches are provided in the waste material W and the like, and the cutting blade 28 cuts the waste material W and the like into a portion that is used as a buffer material and a portion that is not used.

When the operation of the overload protection device installed in the cut forming section 21 is not in the OFF state, that is, when the overload protection device is operating, the operation is immediately stopped.
When the overload protection device is in the off state, the suction device 46 is operated to suck in dust generated when the cut forming unit 21 cuts the waste material W or the like. The dust is
It is housed in an inhaler 46 through a suction hole 44 and a duct 45. When the overload protection device is in the off state, at the same time, the swelling of the cut waste material W or the like is suppressed by the load of the weight 43 by the downstream pressing portion 42.

Next, when the length sensor 54 is in the off state, no cushioning material such as waste material W provided with a cut of a predetermined length is obtained. A waste material W such as a cardboard is applied to the regulation guide 13 and is thrown toward the cut forming portion 21. The cushioning material conveyor 52 is not normally driven. At this time, since the cushioning material conveyor 52 is not driven, the waste material W or the like provided with a cut is pushed on the cushioning material conveyor 52 and slips. To move downstream. In the notch forming section 21, notches are provided in the waste material W and the like, and the cutting blade 28 cuts the waste material W and the like into a portion that is used as a buffer material and a portion that is not used. When the operation of the overload protection device installed in the cut forming section 21 is not in the OFF state, that is, when the overload protection device is operating, the operation is immediately stopped. When the overload protection device is in the off state, the suction device 46 is operated to suck in dust generated when the cut forming unit 21 cuts the waste material W or the like. The dust is stored in the suction device 46 through the suction hole 44 and the duct 45.
When the overload protection device is in the off state, at the same time, the swelling of the cut waste material W or the like is suppressed by the load of the weight 43 by the downstream pressing portion 42.

When the length sensor 54 is in the ON state, the waste material W or the like has reached the length sensor 54. Therefore, the buffer material cutter 53 is operated, and the cut material is provided. Cut W etc. Then, a buffer material of a predetermined length from the length sensor 54 to the buffer material cutter 53 is obtained. By moving the position of the length sensor 54 to the upstream side and the downstream side, a buffer material having a desired length can be obtained.
The waste material W to be supplied is 550 m in a case where a buffer material of a predetermined length is obtained by two or more waste materials W, for example, a cardboard paper having a length of 150 mm and a cardboard paper having a length of 400 mm.
m, or when one piece of waste material W is cut to obtain a buffer, for example, 600 mm cardboard paper
There is a case where a 550 mm cushion material is obtained by cutting into a 50 mm length cardboard paper and a 50 mm cardboard paper.
After or simultaneously with the operation of the buffer material cutter 53, the buffer material transport conveyor 52 is driven.

After the driving of the buffer transport conveyor 52, the buffer cut by the buffer cutter 53 is transported downstream. The sheet supplied from the lower packaging roll 56 such as the sheet supplied from the upper packaging roll 55 and the waste material W cut by the cushioning material cutter 53 is laminated between the upper seal roller 59 and the lower seal roller 60. Let it pass.
When the sheet passes through the pillow sensor 61, the pillow sensor 61 senses the passage of the sheet or the like and turns on.
If the pillow sensor 61 does not sense, the driving of the cushioning material conveyor 52 is continued.

When the pillow sensor 61 is turned on,
The packaging timer is turned on for a predetermined time. If the length sensor 54 does not take the off state while the packaging timer is in the on state or the pillow sensor 61 is in the on state, at least the operation of the upper seal roller 59 and the lower seal roller 60 or the entire device is stopped. I do. That is, the cushioning material provided with the cuts is
When the length sensor 54 senses, the cushioning material conveyor 52 is activated and the pillow sensor 61 is clogged, so that a packaging timer for calculating a predetermined time is activated. When the length sensor 54 is in the off state, the upper feed roller 57 and the lower feed roller 58 are driven to drive the upper feed wrapping roll 55 and the sheet supplied from the lower wrapping roll 56 therebetween. The waste material W or the like cut by the buffer material cutter 53 is supplied between both sheets. Then, the upper seal roller 59 and the lower seal roller 60 are driven, and the sheet supplied from the upper surface packaging roll 55 and the waste material W cut by the cushioning material cutter 53 between the two rollers are supplied from the lower surface packaging roll 56. The upper and lower sheets passing between the upper seal roller 59 and the lower seal roller 60 are heated to both side ends, and both side ends of the sheet are pressed.

If the pillow sensor 61 does not turn off within the time set by the packaging timer, clogging occurs near the pillow sensor 61.
At least an upper seal roller 59 and a lower seal roller 60;
The operation of the cushioning material transport conveyor 52 and the upper feed roller 57 or the entire device is stopped. When the pillow sensor 61 is turned off within the time set by the packaging timer, the driving of the cushioning material transport conveyor 52 and the upper feed roller 57, the lower feed roller 58, the upper seal roller 59, and the lower seal roller 60 is stopped. I do.

Then, the top seal 62 is actuated, and the heated upper and lower dies sandwich the downstream end of the sheet supplied from the upper packaging roll 55 and the sheet supplied from the lower packaging roll 56, and are pressed. I do.

The cushioning material to be packed may be a single package separated for each package or a continuous package in which each package is continuous. In the case of a single package, the pillow cutter 63 cuts the upstream end of the sheet supplied from the upper surface packaging roll 55 and the sheet supplied from the lower surface packaging roll 56, and the top seal 62 cuts the upstream edge. Crimp. In the case of continuous packaging, the cutter blade of the pillow cutter 63 is slightly protruded to cut the upstream end of the sheet supplied from the upper surface packaging roll 55 and the sheet supplied from the lower surface packaging roll 56, and A perforation is formed at the downstream end with the seal 62. When the pillow cutter 63 is operated up to the set number of continuous packets, the same perforation operation is performed. When the sheet is cut by the pillow cutter 63, the pillow cutter 63 is opened and the top seal 62 is also opened.

The pillow conveyor 64 is always rotating, and the cushioning material W1 packed in the pillow conveyor 64
Is exhausted. When the outlet sensor 65 detects the downstream end of the packed cushioning material W1, the exit sensor timer is turned on. When the exit sensor timer does not turn off within a predetermined time, the cushioning material packed near the exit is clogged, and the operation of the entire device is stopped.Therefore, in this embodiment, continuous operation in the horizontal direction is performed. To transport waste materials W etc.
It is possible to produce

[0032]

According to the present invention, there is provided a notch forming apparatus for forming a notch in a waste material or the like capable of adjusting a cut length provided in the waste material or the like and manufacturing a cushioning material.

[Brief description of the drawings]

FIG. 1 is a front view of a cushioning material forming device, a cushioning material cutting device, and a cushioning material packing device according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional plan view of a cushioning material forming device, a cushioning material cutting device, a cushioning material packing device, and a paper dust suction device according to an embodiment of the present invention.

FIG. 3 is a plan view of the cushioning material forming apparatus according to the embodiment of the present invention.

FIG. 4 is a front view of the cushioning material forming apparatus according to the embodiment of the present invention.

FIG. 5 is a side view of the cushioning material forming apparatus according to the embodiment of the present invention.

FIG. 6 is a partially enlarged front view of the cushioning material forming apparatus according to the embodiment of the present invention.

FIG. 7 is a partially enlarged front view of a cushioning material forming apparatus according to an embodiment of the present invention.

FIG. 8 is a partially enlarged view of a roller cutter portion according to the embodiment of the present invention.

FIG. 9 is a process diagram of a cushioning material forming apparatus and a cushioning material packing apparatus according to an embodiment of the present invention.

FIG. 10 is a process diagram of the cushioning material forming device and the cushioning material packing device following FIG. 9;

FIG. 11 is a perspective view of a width regulating guide according to the embodiment of the present invention.

[Explanation of symbols]

 22 Upper Roller Cutter 23 Lower Roller Cutter 26 Cut Forming Blade

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3C027 WW02 WW17 WW20 3C060 AA01 AB01 BC02 BC11 BC22 BD03 BE07

Claims (1)

[Claims] 1. A method in which two roller cutters are installed so as to face each other with their axes parallel to each other, and project from the roller cutter surface with an interval corresponding to the thickness of a notch forming blade provided on the opposing roller cutter. A notch forming apparatus comprising a plurality of notch forming blades for forming cuts in waste materials and the like, wherein a distance between two roller cutters can be changed.