JP6029812B2 - Slitting machine for wallpaper gluing machine and wallpaper gluing machine equipped with the slitter - Google Patents

Description

  The present invention relates to a slitter for a wallpaper pasting machine that cuts a side portion of a wall covering in advance when applying a paste to a wall covering with a wallpaper pasting machine, and relates to a wallpaper pasting machine equipped with this slitter. is there.

  At present, the wall covering material is applied to the indoor wall surface in the interior construction of a building by placing a gluing machine main body composed of an upper structure and a lower structure in which a plurality of rollers are placed on the support legs. While the sheet-like wall covering material (hereinafter also referred to as “cross”) sandwiched between the upper and lower structures is conveyed by a roller, the glue is glued from the adhesive glue of the lower structure with the roller and applied to the back surface of the wall covering material. It is a common practice to apply glue continuously to a sheet-like wall covering using a wallpaper pasting machine.

  There are two types of wallpaper pasting machines: manual and automatic. Currently, a drive mechanism such as a motor is mounted on a controller that is detachable from the main body of the pasting machine, and its rotation axis is the rotation axis of the pasting roller. Automatic wallpaper gluing machines that are connected to and rotated by electric power and disengage gears and interlock with other rollers to perform gluing work stably and continuously are the mainstream.

  In addition, a slitter unit for a wallpaper pasting machine that cuts the ears of the cloth before pasting the back of the cloth to be attached to the back of the automatic wallpaper pasting machine and glues the cloth after setting the width to a predetermined width. An automatic wallpaper pasting machine with a slitter for the wallpaper pasting machine is also available.

  The slitter that is installed in this wallpaper pasting machine is a system that cuts the cloth that is transported in the longitudinal direction between the upper and lower rotary blades and a system that cuts by rotating the rotary blade at a high speed. Are commercially available. The one that is sandwiched between the upper and lower rotary blades does not require high-speed rotation, so it is mainly driven by the roller of the wall paper pasting machine to be attached. One rotary blade is rotated at high speed. For cutting, the motor is equipped with a dedicated motor for driving the rotary blade, and the rotary blade, the motor, and the housing that covers the rotary blade are combined into one removable unit in consideration of safety and maintainability. (For example, refer to Patent Document 1).

  In addition, with respect to the method of cutting by rotating one rotary blade at high speed, it was verified how the cut surface changes when the rotation speed is gradually decreased. As a result, it was found that if the thickness was about 500 revolutions per minute, even a thick wall covering material including fabric fibers could obtain a good cutting state without fuzz or fraying.

  If the speed is lower than 360 rpm, it is possible to rotate using the drive source that drives the glue roller of the installed wallpaper gluer without using a dedicated motor to drive the rotary blade. It becomes. For this reason, in order to obtain a good cutting state even at low speeds, the shape of the rotary blade is devised, and a rotary blade capable of obtaining a good cutting state even with a single rotary blade rotating at a relatively low speed is provided. A slitter for a wallpaper pasting machine has been obtained (see Patent Document 2).

  The slitter shown in this patent document 2 rotates a rotary blade by the rotation of a drive shaft driven via a gear from a drive source that drives a gluing machine roller of a wallpaper gluing machine body. This drive shaft is arranged through each cutter box containing the left and right rotary blades. In order to change the position according to the width of the wall covering material to be cut, the drive shaft has a regular hexagonal cross section, and the left and right cutter boxes contain the mounting shaft of the rotary blade that fits in this regular hexagonal cross section, It is configured to move on the drive shaft.

JP 2003-80491 A JP 2010-253653 A

  However, in order to obtain a good cutting state of the wall covering, it is necessary to make the rotation center of the rotary blade coincide with the drive axis in order to minimize the blur of the rotary blade. For this reason, a regular hexagonal machining of the drive shaft spanned across the entire width direction of the slitter must be selected and a precise machining must be performed by selecting a material that hardly bends. In addition, in order for the drive shaft to be fitted, a regular hexagonal hole must be precisely machined in the mounting shaft of the rotary blade, and this has inevitably resulted in an expensive product.

  In addition, the rotary blade is mounted in the cutter box, but the blade surface of the peripheral edge of the rotary blade is supported from the back surface in the overlapping region including the cutting point in order to eliminate the blur in the rotation axis direction of the cutting surface of the rotary blade. A rotating member is also mounted in the cutter box. This cutter box is moved in the width direction of the slitter according to the cutting width of the wall covering material, and is fixed at an arbitrary position. At this time, the cutter box is not firmly fixed to the slitter main body, and as a result, the rotating member is brought into contact with the peripheral edge of the rotating blade obliquely more than necessary. In some cases, the direction may be blurred.

  The present invention facilitates precision machining of the drive shaft that spans the entire width of the slitter, makes it possible to make the rotation center of the rotary blade coincide with the drive axis, and manufacture a slitter with less vibration of the rotary blade at a low cost. The purpose is to do. Another object of the present invention is to obtain a slitter in which the cutter box is firmly fixed to the slitter main body so as not to cause the rotation of the cutting surface of the rotary blade in the rotational axis direction.

A slitter for a wallpaper pasting machine according to claim 1 is a wall covering material before being introduced into a main body of a wallpaper pasting machine in which a glue solution is applied to the back surface of a sheet-like wall covering material by a pasting roller. It is a slitter for wallpaper pasting machine that cuts the edge in the conveying direction along the conveying direction,
A drive shaft having a circular cross section disposed at a position perpendicular to the conveying direction on the front surface side or the back surface side of the wall covering material and parallel to the wall covering material surface,
A wall blade cutting blade fixed on the drive shaft;
An attachment shaft disposed substantially parallel to the drive shaft on the opposite surface side through the wall covering,
A cylindrical rotating member rotatably supported on the mounting shaft,
The rotating member is
A flat surface portion that is pressed against the rotary blade in a partial overlap region with the peripheral edge of the rotary blade with the wall cutting point by the rotary blade as an end; and
In a slitter for wallpaper pasting machine comprising a peripheral wall portion for guiding the wall covering material to a cutting point by the rotary blade,
A mounting boss that holds the rotary blade perpendicular to a through-hole through which the drive shaft passes;
A cam clutch whose inner ring shaft diameter is reduced in the through hole of the mounting boss;
The cam clutch is a one-way clutch that transmits only a rotational force in one direction. In the idling direction, a number of cams arranged concentrically on the side wall centering on the axis of the drive shaft having a circular cross section are provided on the drive shaft. flowing of rotation, upon rotation of the torque generating direction, by a number of cams having the same cross-sectional shape rises to the inner side in the same way, by the inner ring of the shaft diameter is reduced in diameter, the plurality of cam Acting as a chuck, the rotation of the drive shaft is transmitted to the outer ring,
A mounting boss is mounted on the drive shaft through a cam clutch whose inner ring shaft diameter is reduced.

A slitter for a wallpaper pasting machine according to the invention described in claim 2 is a box main body covering the rotary blade and the mounting boss according to claim 1, and a slit groove formed on the side wall surface of the slitting machine. A cutter box provided with a fixing member inserted inside, and a screw mechanism that sandwiches and fixes the slit groove edge with the opposing wall surface of the box main body,
The fixing member has a length over the entire width of the side wall surface of the pasting machine of the cutter box.

A wallpaper pasting machine according to a third aspect of the present invention comprises the slitter for a wall paper pasting machine according to the first or second aspect.

  The present invention facilitates precision machining of the drive shaft spanned across the full width direction of the slitter, makes it possible to make the rotational center of the rotary blade coincide with the drive axis at low cost, and there is less blurring of the rotary blade. There is. In addition, the cutter box is firmly fixed to the slitter body, and there is an effect that the cutting surface of the rotary blade does not blur in the direction of the rotation axis.

It is a side view of the wallpaper pasting machine provided with the slitter of one Example of the present invention. It is the back side perspective view which notched some including the structure of a tension bar group. It is explanatory drawing which shows the structure of the cutter box of a slitter. It is explanatory drawing which shows the structure of the state except a part of cutter box of FIG. It is explanatory drawing which shows the structure of the state except for some further cutter boxes of FIG. It is explanatory drawing which shows the structure of the state except for some further cutter boxes of FIG. It is explanatory drawing of the principal part containing the rotary blade of FIG. It is explanatory drawing which shows the drive state of the cam clutch which transmits the drive of a drive shaft to a rotary blade.

  In the present invention, on the front surface side or the back surface side of the wall covering material, a drive shaft disposed at a position orthogonal to the conveying direction and parallel to the wall covering material surface, and the wall covering material cutting fixed on the drive shaft A rotary blade, a mounting shaft disposed substantially parallel to the drive shaft on the side facing the wall covering material, and a cylindrical rotating member rotatably supported by the mounting shaft. The rotating member has a flat surface portion that is pressed against the rotating blade in a partial overlapping region with the peripheral edge of the rotating blade with the wall cutting point by the rotating blade as an end, and the cutting point by the rotating blade. In a slitter for wallpaper pasting machine having a peripheral wall portion for guiding wall covering material, a mounting boss that holds the rotary blade perpendicular to a through-round hole through which a drive shaft passes, and a through-round hole of the mounting boss A cam clutch with a reduced inner ring shaft diameter, and a boss mounted on the drive shaft via a cam clutch with a reduced inner ring shaft diameter Because it is mounted, the precision of the drive shaft spanned across the entire width of the slitter can be easily adjusted so that the rotational center of the rotary blade coincides with the drive axis, and the rotational blade is less blurred. Can be manufactured inexpensively.

  The cam clutch of the present invention may be a one-way clutch that transmits only the rotational force in one direction and has a reduced inner ring shaft diameter that supports the drive shaft. A large number of cams arranged concentrically on the side wall centering on the axis of the circular drive shaft cause the rotation of the drive shaft to rotate in the direction of torque generation. Thus, it is sufficient if the shaft diameter of the inner ring is reduced by rising to the inner ring side so that the rotation of the drive shaft is transmitted to the outer ring. At this time, since the axis coincides with the rotation axis, the rotation of the rotary blade arranged via the cam clutch is free from blurring.

  As the drive shaft of the present invention, it is not necessary to process a regular hexagonal shape of the drive shaft spanned across the entire width direction of the slitter, and the inner ring shaft diameter is reduced by the cam clutch. Those having a circular cross section are easy to process and can be manufactured at low cost. In addition, the drive shaft of the present invention may be installed together with an individual drive source for each rotary blade, but each rotary blade held by the cutter box is mounted on one side wall of the main unit of the wallpaper pasting machine to which it is attached. It may be built in a controller (not shown) that is rotated by a single drive shaft that is obtained via a gear from a drive source that drives each roller.

  As a rotary blade of this invention, it is pivotally supported by the drive shaft arrange | positioned in the position orthogonal to the conveyance direction of wall covering. In order to obtain high linearity and smoothness by the cut edge portion of the wall covering material to be cut, this rotary blade is a thin one-side cutting edge. That is, by using a single cutting edge, higher linearity of the cutting edge is obtained. The thinner the blade is, the higher the smoothness of the cutting edge can be obtained. On the contrary, the life of the rotary blade is shortened. Accordingly, the thickness is preferably 0.3 to 1.0 mm, and more preferably 0.5 mm.

  The rotating member of the present invention only needs to have a peripheral wall portion that holds the wall covering material surface at a fixed height position along the blade portion of the rotating blade at the cutting point of the wall covering material. Therefore, any rotary member having a cylindrical peripheral wall portion may be used. In addition, the rotating member has a flat surface portion that is pressed against the rotating blade in a partial overlap region with the peripheral edge of the rotating blade with the cutting point as an end, and on the opposite surface side through the wall covering material. Since the axis line is pivotally supported by the mounting shaft arranged in parallel with the shaft, there is substantially no gap between the rotating member and the rotating blade, and high straightness and smoothness of the cutting edge are obtained. Can do. The mounting shaft is arranged substantially parallel to the shaft on the opposite surface side through the wall covering material, but more preferably, the mounting shaft is a few so that the flat surface of the rotating member comes into contact with the rotating blade at an angle. More specifically, the wall covering material can be surely cut by placing it at an angle of 0 to 4 degrees.

Moreover, in order to prevent the cutting surface of the rotary blade from moving in the direction of the rotational axis, the cutter box itself that holds the rotary blade inside is firmly fixed to the slitter body. Specifically, a box main body that covers the rotary blade and the mounting boss, a fixing member that is inserted into a slit groove formed on the side wall surface of the slitting machine, and an opposing wall surface of the box main body. And a cutter box provided with a screw mechanism that sandwiches and fixes the slit groove edge,
The fixing member has a length over the entire width of the side wall surface of the pasting machine of the cutter box.

In another aspect of the present invention, a drive shaft disposed at a position perpendicular to the transport direction on the front surface side or the back surface side of the wall covering material and parallel to the wall covering material surface, and the wall covering fixed on the drive shaft. A material cutting rotary blade, a mounting shaft disposed substantially parallel to the drive shaft on the opposite surface side through the wall covering, and a cylindrical rotating member rotatably supported by the mounting shaft A flat surface portion that is pressed against the rotating blade in a partially overlapping region with the peripheral edge of the rotating blade whose end portion is the wall covering cutting point by the rotating blade, and a cutting point by the rotating blade In the slitter for wallpaper pasting machine equipped with a peripheral wall part that leads the wall covering to
A box main body that covers the rotary blade and the mounting boss, a fixing member that is inserted into a slit groove formed on the side wall surface of the gluing machine of the slitter, and the slit groove between the fixing wall and the opposing wall surface of the box main body. It has a cutter box with a screw mechanism that sandwiches and fixes the edge,
Since the fixing member has a length over the entire width of the side wall surface of the pasting machine of the cutter box, the cutter box is firmly attached to the slitter main body, so that a slitter with less blurring of the rotary blade can be obtained.

1. Overall Configuration FIG. 1 is a side view of a wallpaper pasting machine equipped with a slitter according to an embodiment of the present invention. FIG. 2 is a rear perspective view in which a part including the configuration of the tension bar group is cut away. FIG. 3 is an explanatory view showing a configuration of a cutter box which is a main part of the slitter shown in FIG. FIG. 4 is an explanatory view showing a configuration in a state where a part of the cutter box of FIG. 3 is removed. FIG. 5 is an explanatory view showing a configuration in a state where a part of the cutter box of FIG. 3 is further removed. FIG. 6 is an explanatory diagram showing a configuration in a state where a part of the cutter box of FIG. 3 is further removed. FIG. 7 is an explanatory view of a main part including the rotary blade of FIG. FIG. 8 is an explanatory view showing a driving state of a cam clutch that transmits the driving shaft to the rotary blade.

  As shown in FIGS. 1 and 2, this wallpaper gluing machine supports a gluing machine body 1, a pedestal portion 15 on which the gluing machine body 1 is placed, and a gluing machine body 1 at a predetermined height. In order to do this, the leg part 2 is provided with a front leg 21 and a rear leg 22 that are arranged in pairs at the front and rear ends of the left and right ends of the base part 15, respectively. Further, the main body 1 and the pedestal portion 15 are fixed by latching locks (pachin locks) that are respectively hooked on two hooks below the both side walls of the gluing machine main body 1.

  The gluing machine main body 1 is composed of a lower structure 3 mainly composed of a glue basket 5 and an upper structure 4 mounted thereon so as to be opened and closed. A controller (not shown) is attached to one side plate of the lower structure 3, and a slitter 7 is detachably disposed on the rear surface side of the lower structure 3, and the upper structure 4 covers the upper part of the lower structure 3. It is arranged.

  Each roller of the gluing machine is driven by a drive shaft of a drive source (not shown) in the controller. For example, along with the rotation of the gluing roller 31, the other rollers to which the rotational motion is transmitted via the gear also rotate to convey the cloth C sandwiched between the upper and lower structures 3, 4 from the rear to the front. In the middle of the transfer, the glue pulled up from the glue basket 5 when being conveyed on the glue roller 31 is transferred and applied to the back surface of the cloth.

  This gluing roller 31 is pivotally supported on the pivotal support plates on the left and right wall surfaces of the lower structure 3 and is arranged in a lower position where it sinks into the glue basket 5 as much as possible. The glue in the glue basket 5 is applied by a glue raising roller 51 that abuts on the glue roller 31, and the glue raising rollers 51 are pivotally supported on both side surfaces of the glue glue 5 at positions closer to the rear side than the center. The glue inside is scraped up by rotation and transferred to the gluing roller 31.

  The gluing roller 31 is connected to a drive shaft of a controller including an electric motor that is a drive source that is detachably attached to the gluing machine body 1. The rotation axis of the gluing roller 31 is a lower pinch roller 32, a doctor roller 33, a leveling roller 34, and an upper pinch roller 41 used as a measuring roller arranged in the upper structure 4 and a pressing roller 42. The rotation shaft of a predetermined roller of the drive roller 43 is interlocked with a gear.

  As shown in FIG. 1, the leveling roller 34 has a longitudinal direction substantially equal to the claw stay for guiding the glued cloth C fed through the leveling roller 34 to the front surface of the gluing machine body 1. A plurality of claws 53 attached to the are attached.

  Note that a lever 39 for driving an eccentric gear that is eccentrically fixed to the rotation shaft of the doctor roller 33 is provided on both sides of the wallpaper pasting machine, and the axis of the doctor roller 33 that is held by the eccentric gear by the lever 39. The end is moved relative to the gluing roller 31, and the relative distance between the doctor roller 33 and the gluing roller 31 is changed so that the amount of gluing attached to the gluing roller 31 can be adjusted.

  A cross receiving bracket 25 is rotatably disposed on the pair of left and right legs 2, and a cross core rod 26 passed through the center of the original fabric roll is pivotally supported at the tip of the cross receiving bracket 25. ing.

2. Tension Bar Group Structure As shown in FIGS. 1 and 2, the cloth C fed out from the raw fabric roll has a first tension bar 61 installed below the slitter 7 via a leg tension bar 28 between the rear legs 22. While being bent by the tension bar group 6 including the second tension bar 65, it is conveyed to the slitter 7, and both sides of the cloth are cut. Further, tension is also applied by a slitter tension bar 74 that presses the cloth C against the guide surface portion 72 of the slitter.

  The leg tension bar 28 is attached to the rear leg 22 by a leg tension bar holding part 27 having a U-shaped groove formed obliquely downward and a guide protrusion projecting at the center thereof. Guide grooves formed at both ends of the leg portion tension bar 28 are fitted into the guide protrusions and attached. With the leg tension bar 28, it is possible to apply a good tension even when the tension bar group 6 alone cannot apply a good tension to the cloth C.

  The first tension bar 61 of the tension bar group 6 includes a pair of circular pipe portions 62 and 62 that are held on each of a pair of tension bar holders 60 disposed on both sides of the rear surface of the base portion 15 below the slitter 7. The first tension part 63 arranged in a stepped manner inside the pair of circular pipe parts 62 and a pair of connecting plates 64 for connecting the pair of circular pipe parts 62 and the tension part 63.

  The second tension bar 65 of the tension bar group 6 is disposed between a pair of mounting portions 66 detachably mounted on both ends of the tension portion 63 of the first tension bar 61 and the first tension bar 61. And a second tension portion 67 that can be disposed on the same axis as the circular pipe portion 62.

  The pair of mounting portions 66 are long hole-shaped grooves having an inner diameter in which the distal end portion is opened and the tension portion 63 of the first tension bar 61 is fitted. Thus, in order to attach the cloth C, the second tension bar 65 is once removed, the leg tension bar 28, the first tension bar 61, and the slitter tension bar 74 are attached, and then from the back of the pasting machine 1 By attaching the mounting portion 66 of the second tension bar 65 to the tension portion 63 of the first tension bar 61 while pressing the cloth C, the mounting can be performed with a simple operation.

  The first tension part 63 of the first tension bar 61 should preferably be held rearward with respect to the position immediately below the circular pipe part 62 in order to give good tension. Therefore, each of the pair of connecting plates 64 of the first tension bar 61 includes an abutting piece 68 that abuts on the rear rear surface of the rear leg portion 22 of the pasting machine 1 main body.

  Further, the second tension bar 65 is arranged on the same axis as the stepped circular tube portion 62 of the first tension bar 61. For this reason, in order to fix the second tension bar 65 and the first tension bar 61 at this position, it is preferable that the second tension bar 65 is disposed at a position where the pair of connecting plates 64 of the first tension bar 61 are opposed to each other. What is necessary is just to provide the latching means 69 which hold | maintains the 2 tension part 67 on the same axis line as the circular pipe part 62. FIG.

  Specifically, the hooking means 69 includes a pair of hooking pieces for holding the second tension portion 67 of the second tension bar 65 on the same axis as the circular pipe portion 62, and a pair of mounting of the second tension bar 65. What is necessary is just to equip the outside of the part 66 with the latching piece latched on each of the said latching piece. The cloth C is bent by the first tension bar 61, bent by the second tension bar 65, and conveyed to the slitter 7.

3. Slitter Structure As shown in FIGS. 1 and 2, the slitter 7 is mounted in a slitter mounting opening 55 opened on the rear wall surface of the upper part of the lower frame of the lower structure 3 of the gluing machine body 1. The slitter 7 is provided with a guide surface portion 72 at the center of the rear rear surface, and a pair of left and right rotary blades 76 that are rotated by a drive shaft 71 obtained from the gluing machine main body at both ends of the guide surface portion 72, respectively. It is arranged to be slidable in both end directions. The pair of rotary blades 76 are housed in cutter boxes 77 each having a through-round hole that penetrates the drive shaft 71 having a circular cross section.

  On the side of the slitter 7, a tension bar support 73 that supports a tension bar 74 that presses the cloth conveyed on the guide surface 72 against the guide surface 72 is provided on the side wall of the slitter. The tension bar support 73 is provided with a tension bar 74 at one end and a fulcrum 75 that swings between a pressing position and a release position of the tension bar at the other end.

  Cutter boxes 77 each equipped with a rotary blade 76 are provided in the side end region of the guide surface portion 72 of the slitter 7 so as to be movable inward and outward. The guide surface portion 72 is formed over the slitter, and the lower end edge thereof (that is, the cross conveyance upstream edge portion) and the upper end edge portion (that is, the cross conveyance downstream edge portion) convey the cloth C. Each has a curved portion for bending the direction.

  As shown in FIGS. 3 to 6, the drive of the rotary blade 76 inside the cutter box 77 is obtained from a drive source in the controller mounted on one side wall of the gluing machine body 1 via a gear. A part of the gear protrudes from the mounting wall surface of the slitter 7 of the gluing machine main body 1 on the side where the controller is mounted, and a driving gear (not shown) is formed on the slitter 7 so as to mesh with the gear. . As shown in the drawing, a drive shaft 71 whose axis rotates is disposed through the left and right cutter boxes 77 from the drive gear through the transmission gear.

  The drive shaft 71 is rotatably supported inside the cutter box 77 so that the rotary blade 76 can rotate. As shown in FIG. 3, the fixing mechanism for fixing the cutter box 77 is formed on the side wall surface of the gluing machine of the slitter 7 by tightening the fixing screw 80 inserted into the fixing member 81 at the side of the cutter box 77. The fixing member 81 is inserted into the slit groove 70, and the fixing member 81 is fixed by sandwiching the edge of the slit groove 70 with the opposing wall surface of the box 77 main body.

  Since the fixing member 81 has a length over the entire width of the cutter box 77, the cutter box 81 is firmly attached to the main body of the slitter 7, so that the slitter 7 with less blurring of the rotary blade 76 can be obtained.

  As shown in FIGS. 4 and 7, the ear guide cover 79 is rotated around a mounting shaft 83 disposed substantially in parallel with the drive shaft 71 of the rotary blade 76 at the cross cutting position on the opposite surface side through the cross. A rotating member 82 that is pivotally supported is provided. The rotating member 82 is fixed to the mounting shaft 83 via a pressing spring 84 and a mounting washer 85. The rotating member 82 is rotatably attached to the attachment shaft 83 via a bearing. The rotating member 82 has a cylindrical structure. Further, a part of the flat surface portion on the upper surface of the rotating member 82 is disposed so as to constitute a partial overlapping region with the peripheral edge portion of the rotary blade 76 having the cutting point as an end portion. A spring 84 is interposed on the mounting shaft 83 of the rotating member 82, and the rotating member 82 is urged and pressed by the blade portion of the rotating blade 76 in contact therewith.

  As shown in FIG. 7, the rotating member 82 includes a flat surface portion that presses the rotating blade 76 in a partial overlap region B with the peripheral edge portion of the rotating blade 76 having the cross cutting point A by the rotating blade 76 as an end portion, and a rotating surface. And a peripheral wall portion for guiding the wall covering material to a cutting point A by the blade 76.

  The inclination angle of the flat surface portion of the rotating member 82 with respect to the blade portion of the rotary blade 76 is 3 degrees or more and 10 degrees or less, specifically 3 degrees. As a result, high linearity and smoothness can be obtained at the cut edge of the cloth to be cut, and a good cut state can be obtained even with a cloth having a thick fabric cloth or irregularly provided on the surface layer. be able to. Further, since the mounting shaft 83 itself is tilted and fixed, and further supported by the rotating member and the mounting shaft 83 via a bearing, the rotary blade 76 of the flat surface portion of the rotating member 82 can be used over a long period of time. There is also an advantage that the change in the inclination angle with respect to the blade portion is minimized.

  Since the rotating member 82 is 1/3 of the diameter of the rotating blade 76, the rotating member 82 that does not have its own drive source is held by the rotating force of the pressed rotating blade 76. The attachment shaft 83 can be easily rotated. Further, the rotating member 82 is made of a ceramic abrasive material at the portion that contacts the rotating blade 76. For this reason, the blade part of the rotary blade 76 is sharpened with use, and the rotary blade 76 can be used over a long period of time.

  As shown in FIG. 5, inside the cutter box 77, a pressing member 86 is attached to a portion reaching the cutting position of the rotary blade 76, and presses the cloth C toward the rotary blade 76. As shown in FIG. 6, the rotary blade 76 is pivotally supported on the drive shaft 71 via a rotary blade mounting boss 87 provided with a cam clutch mechanism.

  As shown in FIG. 8, the cam clutch mechanism of the boss 87 has a large number of cams 88 arranged concentrically on the side wall in the idling direction as shown in FIG. Causes the rotation of the drive shaft 71 to flow. When rotating in the direction of torque generation as shown in FIG. b, a large number of cams 88 having the same cross-sectional shape rise in the same manner to the inner ring side, so that the shaft diameter of the inner ring is reduced, so that the drive shaft 71 Is transmitted to the outer ring. At this time, the rising of a large number of cams acts as a kind of chuck, and the shaft center easily coincides with the rotation axis, so that the rotation of the arranged rotary blades is free from blurring.

  Further, the drive shaft 71 can be divided into three parts by two brackets 78 inside the left and right cutter boxes 77. When exchanging the cutter box 77, the brackets 78 can be divided and replaced. Good.

1 ... Glue machine body,
15 ... pedestal,
2 ... leg,
21 ... front legs,
22 ... hind legs,
25 ... cross receiving bracket,
26 ... cross core,
27 ... Leg tension bar holding part,
28 ... leg tension bar,
3 ... Lower structure,
31 ... glue roller,
32 ... Lower pinch roller,
33 ... Doctor Roller,
34 ... leveling roller,
39 ... glue thickness adjusting lever,
4 ... Upper structure,
41 ... upper pinch roller,
42 ... presser roller,
43… Drive roller,
44… Toride,
5 ... glue paste,
51 ... Glue roller,
53 ... Nail,
55 ... slitter mounting opening,
58 ... supported parts,
59 ... the hooked part,
6 ... tension bar group,
61 ... the first tension bar,
62 ... circular pipe part,
63 ... 1st tension part,
64 ... connecting plate,
65 ... the second tension bar,
66 ... mounting part,
67 ... the second tension part,
68 ... contact piece,
69 ... latching means,
7 ... slitter,
70 ... slit groove,
71 ... drive shaft,
72 ... guide surface part,
73 ... tension bar support,
74 ... slitter tension bar,
75… fulcrum,
76 ... rotary blade,
77… Cutter box,
78 ... bracket,
79… Ear guide cover,
80 ... fixing screw,
81 ... fixing member,
82 ... rotating member,
83 ... mounting shaft,
84… Pressing spring,
85 ... mounting washer,
86 ... holding member,
87… rotary blade mounting boss,
88 ... Cam C ... Wall covering material (cross),

Claims (3)

Wall paper pasting machine that cuts the edge in the transport direction side of the wall covering before it is introduced into the main body of the wall pasting machine that applies the paste liquid to the back surface of the sheet-like wall covering by the glue roller. Slitting machine for
A drive shaft having a circular cross section disposed at a position perpendicular to the conveying direction on the front surface side or the back surface side of the wall covering material and parallel to the wall covering material surface,
A wall blade cutting blade fixed on the drive shaft;
An attachment shaft disposed substantially parallel to the drive shaft on the opposite surface side through the wall covering,
A cylindrical rotating member rotatably supported on the mounting shaft,
The rotating member is
A flat surface portion that is pressed against the rotary blade in a partial overlap region with the peripheral edge of the rotary blade with the wall cutting point by the rotary blade as an end; and
In a slitter for wallpaper pasting machine comprising a peripheral wall portion for guiding the wall covering material to a cutting point by the rotary blade,
A mounting boss that holds the rotary blade perpendicular to a through-hole through which the drive shaft passes;
A cam clutch whose inner ring shaft diameter is reduced in the through hole of the mounting boss;
The cam clutch is a one-way clutch that transmits only a rotational force in one direction. In the idling direction, a number of cams arranged concentrically on the side wall centering on the axis of the drive shaft having a circular cross section are provided on the drive shaft. flowing of rotation, upon rotation of the torque generating direction, by a number of cams having the same cross-sectional shape rises to the inner side in the same way, by the inner ring of the shaft diameter is reduced in diameter, the plurality of cam Acting as a chuck, the rotation of the drive shaft is transmitted to the outer ring,
A slitter for a wallpaper pasting machine, wherein a mounting boss is attached to the drive shaft via a cam clutch whose inner ring shaft diameter is reduced. A box main body that covers the rotary blade and the mounting boss, a fixing member that is inserted into a slit groove formed on the side wall surface of the gluing machine of the slitter, and the slit between the fixing wall and the opposing wall surface of the box main body. A cutter box with a screw mechanism that clamps and fixes the groove edge,
The slitter for a wallpaper pasting machine according to claim 1, wherein the fixing member has a length extending over the entire width of the side wall surface of the pasting machine of the cutter box.   A wallpaper pasting machine comprising the slitter for a wallpaper pasting machine according to claim 1 or 2.

Images