JPH02303798A - Automatic cutting and folding of filter paper and device therefor - Google Patents

Abstract

PURPOSE:To improve the cutting folding operation efficiency of a filter paper and cut the folding work cost by supplying a filter paper and automatically cutting the filter paper to a prescribed length unit and sending out the cut filter paper after applying the bending working in succession in a prescribed interval. CONSTITUTION:A filter paper is sent to a certain position which is positioned by an elevation slide cutter 15 by the constant dimension feeding devices 11 and 12. The supplied filter paper is cut to a prescribed dimension by a cutting cylinder. After a line is formed at a prescribed position by a pressing cutter 4, the prescribed position of the filter paper is pressed by a pusher 13 and gripped, and this part is advanced as it is, and folded, having the folding-formed- part between the elevation slide cutter 15 as apex. After the folding, the elevation slide cutter 15 is raised and opened, and bulges out the bent part of the filter paper forwardly naturally. Then, the elevation slide cutter 15 is lowered and closed, and supports the bottom part on this side of the bulged bent top part, and the next folding operation is prepared.

Description

Detailed Description of the Invention A. Field of Industrial Application The present invention automatically cuts and feeds filter paper into predetermined length units, and sequentially cuts filter paper at predetermined intervals to the fed length units of filter paper. The present invention relates to an automatic cutting and folding method for filter paper which is bent and sent out, and an apparatus therefor.

BACKGROUND OF THE INVENTION As shown in FIG. 10, a conventional filter paper folding device uses an upper blade 2 and a lower blade 3 that vertically cross the filter paper a coiled around a bobbin 1 in a scissor-like manner alternately. Generally, the material is passed through a bending mechanism 4 to be bent, and then sent between upper and lower hot plates 5 and 6, where the bent state is fixed. If this method is used, a continuous long folded filter paper is obtained, so it is necessary to cut this long folded filter paper into units of a certain number of folds, and this cutting process is carried out at a predetermined number of folds. It was then artificially cut off. The unavoidable manual work of checking the number of folds and cutting the paper has been a problem in reducing the efficiency of cutting and folding the filter paper and lowering the cost.

C1 Problems to be Solved by the Invention The present invention automatically cuts and feeds filter paper into predetermined length units, and sequentially bends the fed length units of filter paper at predetermined intervals. The present invention aims to automate the cutting and folding work of filter paper by sending it out, and to provide an automatic method and device for cutting and folding filter paper, which contributes to further improvement of cutting and folding work efficiency and cost reduction. be.

2. Means for Solving Problems The present invention has been made in view of the above-mentioned viewpoints, and includes a feeding process for feeding the filter paper to a certain position, and a cutting process for cutting the fed filter paper to a predetermined length. The process is to make the creases at the predetermined fold positions of the filter paper.The crease is made by pressing the predetermined part of the filter paper, then move that part forward as it is, and place the crease at the crease between it and the lifting slide blade. a bending step in which the elevating slide blade is raised and opened after folding to naturally bulge the folded portion of the filter paper forward; and a subsequent lowering of the elevating slide blade. An automatic filter paper cutting and folding method comprising a valley support step of supporting the valley in front of the folding peak that is bulged out by closing and preparing for the next folding operation, and a fixed-size feeding roller and the method therefor. A filter paper sizing feeding device consisting of elevating rollers, etc. that move toward and away from each other, an elevating sliding blade that positions the tip of the filter paper, a filter paper cutting cylinder that cuts the fed filter paper at a predetermined length position, and a filter paper cutting cylinder that cuts the fed filter paper at a predetermined length position. A movable creasing blade for creasing the filter paper, and a butcher 1 for pressing a predetermined part of the filter paper, moving that part forward as it is, and bending it with the creased part as the apex between it and the elevating slide blade. It is an object of the present invention to provide an automatic cutting and folding device for filter paper, which includes an elevating device that raises and lowers the elevating slide blade after bending.

19 Effects and Examples From now on, the structure and effects of one embodiment of the present invention will be explained with reference to the drawings.

First, the bending process will be explained step by step.

In FIG. 1(a), the filter paper a, which has been pinched between the fixed size feed roller 11 and the lifting roller 12 that has descended downward, is fed to a certain position ahead by the rotation of the fixed size feed roller 11. It will be done.

There, it is cut to a predetermined length by a cutting device (not shown). Then, the creasing blade 14 located below the filter paper running surface is raised, and the predetermined folding position of the fed filter paper a is pressed between the tip blade of the creasing blade 14 and the bottom surface of the butcher 13 and delivered. be kicked. Next, in the same figure (b), the button shear 13 is moved slightly upward from the filter paper running surface and retreated back to a predetermined position, and is then pressed downward to crush the filter paper a. At this time, the elevating roller 12 rises and separates from the fixed-size feed roller 11, and the filter paper a in that portion becomes free. Next, as shown in the same figure (c), Butsusha-13
moves forward, and the filter paper a is pinched between the descending elevating slide blade 15 and pusher knife 13, and is bent at the apex at the delivered point. And the same figure (d)
As shown in and (e) (same state position as (a) in the same figure),
The folded filter paper a is naturally pushed forward by the restoring force when the elevating slide blade 15 ascends and descends.

Thereafter, as shown in the same figure (e) (he') ()) (ch) (corresponding to the process diagrams shown in (a) to (d) above), repeat the same operations as above to make filter paper a. The number of bending processes corresponding to the length of is sequentially performed.

The last delivery of filter paper A to Zuisaku Hiiragi is after the evil folding is finished.
When a predetermined number of folds have been counted, the paper is ejected forward by a filter paper ejector attached to the upper blade in response to one electrical signal.

Next, the configuration will be explained while referring to FIGS. 2 to 9.

An indoor compartment 22 having a horizontal sliding space 21 is fixedly attached to a predetermined position in the machine frame. A slider 23 is installed in the sliding space 21 of the guide body 2'2 so as to be slidable in the horizontal direction. The slider 23 has a massage rod 2) at its rear.
is screwed in horizontally, and the opposite side is II of the guide body 22.
It extends through the J wall 25, and a gear 26 is fixed to the end of the extension, and the slider 23 moves forward or backward within the sliding space 21 depending on the direction of rotation of the gear 26 by a motor. The slider 23 is provided with a drive shaft 27 mechanically connected to a rotational drive device. A roller 29 is attached to a flange portion 28 on the outer periphery of the end portion of the drive shaft 27 . An L-shaped arm body 31 is attached to a predetermined position near the guide body 22, and the center position of the bottom dead center of the roller 29 is the center position of the rotating shaft 30.
One arm 32 of the groove path 3 provided in the longitudinal direction of one side thereof.
The roller 29 is connected to the roller 29 which fits into the roller 3.

One end of a butcher holder rod 35 is rotatably connected to the free end of the other 7-m 34 of the above-mentioned arm 31, and the other end g of the button shear holder rod 3-5 is provided with a buffer. A bushing 13 is attached with 3 and 6 interposed therebetween. With this configuration, the slider 23 can be moved into the sliding space 2.
1, the lower end position of one arm 32 of the L-shaped arm body 31 during vertical vibration is always constant and only the upper end position changes. When the arm 34 vibrates back and forth, the front end position is always constant and only the rear end position changes. However, the front end of the button shear 13 is constant and only the position of the rearward end changes, so that the stroke of the button shear 13 can be changed to accommodate various folding heights, and at the same time, the position of the scoring blade 14 can also be changed. It is configured so that settings can be made in conjunction with each other in the front and rear directions.

The tip of the buffer body 36 is attached to a button shaft 37 rotatably supported by the button shear 13, and a spring is installed between a predetermined portion of the button shear holder rod 35 and the buffer body 36. is interposed, and when the tip of the pusher holder rod 35 moves back and forth through a receiving space 391 provided in the buffer body 36 and a load is applied to the pusher 13, the spring 38 is activated in response to the load force. This is to prevent excessive force beyond a predetermined level from being applied to the bushing 13 by expanding and contracting.

Therefore, when the drive shaft 27 rotates, the roller 29 attached to the flange portion 27 is moved to the L where it is fitted.
One arm 32 of the mold arm body 31 performs a sinusoidal motion while sliding along the groove path 33, and correspondingly, the mold arm body 31 vibrates about its rotation axis 30. Therefore, the button shear 13 reciprocates in the horizontal direction via the button shear holder rod 35, one end of which is rotatably connected to the free end of the other arm 34 of the above-mentioned arm body 31.

A slide holder 42 related to the cam surface is moved up and down by the rotation of an elevating cam 41 mounted on an elevating cam drive shaft 40 disposed at a predetermined position above the button shear 13.
The front gB of the pusher 13 is configured to move up and down slightly in relation to the up and down movement of the slide holder 42, and the front part of the pusher 13 rises when retracting, and then the pusher 13 moves back. The front part of the busher 13 is pushed down again by the elevating cam 41 at the retreating end, and the filter paper is pinched between the fixed length feed roller 11 and the elevating roller 12 and fed to a certain position ahead. The motions are phased so that the robot grasps a and moves forward.

In this case, a non-slip 13- is provided on the front bottom surface of the pusher 13.

When the drive shaft 27 rotates once and stops, a lifting device such as a crankshaft 43 disposed at a predetermined position above the lifting slide blade 15 rotates once and moves the lifting slide blade 15 up and down. . When the elevating sliding blade 15 rises and opens, the folded portion of the filter paper a naturally bulges forward due to its restoring force, and when it descends, the bulged folded ridge portion Enter the trough in front of and support it in preparation for the next bending operation.

When the elevating slide blade 15 descends, a cam 45 attached to a cam drive shaft 44 disposed at a predetermined position below it rotates once, causing the creasing blade 14, which is operated by the cam 45 to move up and down, to move up and down. , thereby adjusting the operation phase so as to create one line on the filter paper a.

That is, the drive shaft 27, the crankshaft 43, and the elevating cam drive shaft 4.
0. The filter paper a is sequentially bent by driving the cam drive shafts 44 continuously and intermittently while adjusting the timing of the relative driving operations of the cam drive shafts 44 as described above.

When the terminal end of the filter paper a reaches here, it is attached to the tip of the cylinder 46 which electrically or mechanically measures the rotational speed of the drive shaft 27 and operates accordingly, and is attached to the outer surface side of the elevating slide blade 15. The provided guide rod 47 is automatically pushed down and the plate spring 48 whose lower end is in contact with the cutting edge of the elevating slide blade 15 is extended forward so that the filter paper a is folded. It is naturally pushed out from the four bending processes.

The filter paper a, which has been folded a predetermined number of times in the folding process 49, is stretched forward by the leaf spring 48 as described above, and then placed at a predetermined height position in front of the folding process 49.

It is dispensed between a screw shaft 50 of a predetermined length in which right-handed screws and left-handed screws are arranged in multiple rows alternately, and a holding belt 51 of a length approximately corresponding to the length of the screw shaft 50 according to the folding height. . Then, it is advanced while maintaining the folding pitch by the rotationally driven screw shaft 50 and the presser belt 51. A chain conveyor 52 is disposed further ahead, and chain plates 53 are attached to the chain conveyor 52 at predetermined intervals, and the screw shaft 50
As the chain conveyor 520 rotates and moves in the same direction as the presser belt 51, the chain plate 53 months 1 page enters the valley between the folded crests of the filter paper a and transports it to a specified location while maintaining the pitch. . In this case, the chain plate 53 is cut out at a portion where the presser belt 51 passes, and the presser belt 51 is inserted into the cutout portion.
1 is allowed to pass.

The drive mechanism is a gear box 5 from a gear motor 54.
5, from there to a screw drive shaft 56 and a reduction gear 57, and from the screw drive shaft 56 to the screw shaft 50 via a gear. On the other hand, drive is transmitted from the screw drive shaft 56 to the presser belt 51 via the drive belt 58. On the other hand, the speed reducer 5
7, the drive is transmitted to the chain conveyor 52, resulting in complete synchronization.

The height of the presser belt 51 is adjusted by a servo motor 5.
9 through the screw 60, slide block 6
1 is moved left and right, the slide block 61 and holder shaft 62 are connected via gears at plates 63 on both sides, and the holder shaft 62 holds a belt guide 64. The belt guide 64 has a mechanism that moves up and down horizontally by moving the slide block 61,
Thereby, it is configured to correspond to the folding height of the filter paper a.

Reference numeral 65 denotes a filter paper cutting cylinder which cuts the filter paper a, which is pinched between the fixed size feed roller 11 and the lifting roller 1 and is fed to a certain position by the rotating operation of the fixed size feed roller, at a fixed position. be.

As is clear from the above description, the present invention feeds filter paper, automatically cuts it into predetermined length units, and sequentially cuts the fed filter paper into predetermined length units at predetermined intervals. Since the filter paper is folded and sent out, the cutting and folding work of the filter paper can be automated. Therefore, the present invention is an extremely excellent method and apparatus for automatically cutting and folding filter paper, which dramatically improves the efficiency of the cutting and folding operation and thereby contributes to a reduction in the cost of the folding process.

[Brief explanation of the drawing]

Fig. 1 is a process diagram showing the order of the bending process according to an embodiment of the present invention, Figs. 2 to 9 show the structure of an embodiment of the present invention, and Fig. 2 shows the overall structure. 3 is a plan view showing the structure of the bending process section, FIG. 4 is a front view of the same, FIG. 5 is a side view showing the structure of the dispensing mechanism section at the end of the bending process, and FIG. Figure 6 is a related explanatory view seen from the front side, Figure 7 is a plan view showing the configuration of the constant pitch feeding process section following the bending process, Figure 8 is a front view of the same, and Figure 9 is the constant pitch feeding process. FIG. 10, which is a side view seen from the terminal end of the section, is a process diagram showing a conventional bending means. DESCRIPTION OF SYMBOLS 11... Fixed size feed roller, 12... Lifting roller, 13... Button 113-... Anti-slip, 14...
- Creasing blade, 15... Lifting slide blade, 21... Sliding space, 22... Guide body, 23... Slider, 24
...screw rod, 25...-side wall, 26...gear, 27.
... Drive shaft, 28--Flange portion, 29... Roller, 30... Rotating shaft, 31... L-shaped arm body, 32
...-Arm, 33...Groove way, 34...Arm, 35...Button holder rod, 36...HrU body, 37...Pusher shaft, 38...Spring, 3
9... Reception space, 40... Lifting cam drive shaft, 41.
・・Lifting cam, 42・・Slide holder, 43゛・
... Crankshaft, 44 ... Cam drive shaft, 45 ... Cam, 46 ... Cylinder, 47 ... Guide rod,
48... Leaf spring, 49... Bending process, 50...
Screw shaft, 51... Holder belt, 52... Chain conveyor, 53... Chain plate, 54... Gear motor, 55... Gear box, 56... Screw drive shaft, 57...・Reducer, 58
... Drive belt, 59 ... Servo motor, 60.
...Screw screw, 61...Slide block, 62...-Holder shaft, 63...Plate, 64...
・Belt guide, 65... Cylinder for cutting filter paper Fig. 1 Fig. 10 (2) (+)

Claims (1)

[Claims] 1. A feeding process of feeding the filter paper to a certain position, a cutting process of cutting the fed filter paper into a predetermined length, a creasing process of making creases at a predetermined folding position of the filter paper, A folding process in which a predetermined part is pressed and grasped, the part is moved forward, and the crease is bent between the vertical slide blade and the apex, and after the folding, the vertical slide blade is raised and the filter paper is opened. A bending portion bulging step in which the bent portion naturally bulges forward, followed by a lowering and closing of the lifting slide blade that operates to support the trough portion in front of the bulging bending crest portion, and then the next step. 1. A method for automatically cutting and folding filter paper, comprising a step of supporting valley portions in preparation for a folding operation. 2. A filter paper sizing feeding device consisting of a sizing feeding roller 11 and an elevating roller 12 that moves toward and away from the sizing roller 11, an elevating sliding blade 15 that positions the tip of the filter paper, and cutting the fed filter paper at a predetermined length position. Filter paper cutting cylinder 65
, a creasing blade 14 that is movable up and down at a predetermined folding position of the filter paper to create creasing; a creasing blade 14 that presses and grabs a predetermined portion of the filter paper and moves that portion forward as it is to create creasing between it and the elevating slide blade 15; An automatic filter paper cutting and folding device comprising a busher 13 that bends the filter paper with the point as the apex, and a lifting device that lifts and lowers the lifting slide blade 15 after bending. 3. The automatic filter paper cutting and folding device according to claim 2, wherein the busher 15 is provided with a non-slip member 13 on its front bottom surface. 4. The automatic cutting and folding device for filter paper according to claims 2 to 3, wherein the front portion of the busher 15 rises when retracting. 5. The automatic cutting and folding device for filter paper according to claims 2 to 4, wherein the busher 15 always has a moving front end position that is constant and only a rear end position that changes. 6. The elevating slide blade 15 is provided with a leaf spring 48 whose lower end is normally in contact with the cutting edge of the elevating slide blade 15 and is extended forward of the elevating slide blade 15 after the final bending of the filter paper. An automatic filter paper cutting and folding device according to claims 2 to 5. 7. In front of the elevating sliding blade 15, a screw shaft 50 having right-handed screws and left-handed screws arranged in multiple rows alternately, and a holding belt 51 having a length approximately corresponding to the length of the screw shaft 50 are arranged. An automatic filter paper cutting and folding device according to claims 2 to 6. 8. The automatic filter paper cutting and folding device according to claim 7, wherein the presser belt 51 has a height position variable means that can be adjusted to the folding height of the filter paper. 9. A chain conveyor 52 having chain plates 53 attached at predetermined intervals is disposed at the end of the screw shaft 50 and the presser belt 51. Cutting and folding device.