Wallpaper pasting machine

Abstract

To provide an expensive tension device which can apply appropriate tension for each wall paper used without damaging a surface of the wall paper.SOLUTION: A wall paper gluing machine unwinds a wall paper raw fabric passed through a raw fabric core bar by rotation of a delivery roller and transports the same into a wall paper gluing machine body, pumps up a glue accumulated in a glue box by the roller, and applies the glue to a reverse face of the wall paper while cutting left and right side edge parts thereof by a slitter. The wall paper gluing machine comprises a tension device which is configured from an inside cylindrical part and an outside cylindrical part, and in which the outside cylindrical part is rotatably attached to an outer side of the inside cylindrical part.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a wallpaper pasting machine for applying paste with a predetermined thickness to wallpaper of a predetermined length to be pasted on the ceiling or wall surface of a room. More specifically, it relates to a pasting machine in which a tension device is arranged in a wallpaper conveyance path from a mother roll core to a feed roller.

Background Art

[0002] Conventionally, a wallpaper pasting machine has been realized for conveying wallpaper by a plurality of rollers, applying paste to the back surface of the wallpaper, and obtaining a pasted wallpaper of a predetermined length. Wallpaper pasting machines include an automatic wallpaper pasting machine that rotates a feed roller for conveying wallpaper by a motor, and a manual wallpaper pasting machine that is rotated by a person pulling the wallpaper by hand. In both types of wallpaper pasting machines, the paste stored in the paste box is pumped up by a roller and applied to the back surface of the wallpaper by the roller. Therefore, the wallpaper conveyed inside the wallpaper pasting machine body is conveyed with its surface facing upward. Note that the wallpaper has a surface with a pattern, design, etc. that will be visible even after the wallpaper is adhered, and a back surface to which the paste is applied. In the present application, the term "surface" is used only to mean the front side of the wallpaper.

[0003] Also, the wallpaper to which the paste is applied is in the form of a roll (hereinafter referred to as a wallpaper mother roll). The wallpaper mother roll passed through the mother roll core is attached to a wallpaper mother roll receiver, and is unwound by the rotation of the feed roller.

[0004] Also, since it is desired to stably convey the wallpaper inside the wallpaper pasting machine body, a tension bar is provided in the wallpaper conveyance path from the mother roll core to the feed roller and tension is applied by contacting the surface or back surface of the wallpaper.

[0005] The invention described in Japanese Patent Publication No. 10-146552 is a pasting machine that can determine if the wallpaper is torn during the pasting process, and also determine the length of pasted wallpaper and the remaining length at that point. The specification states that stays or rollers are placed on the legs to prevent sagging or wrinkles from occurring in the wallpaper as it is fed out from the core rod of the raw material. [Prior art documents] [Patent Documents]

[0006] [Patent Document 1] Japanese Patent Application Publication No. 10-146552 [Overview of the Initiative] [Problems that the invention aims to solve]

[0007] In recent years, various types of wallpaper have become popular, including inkjet wallpaper with printed designs using inkjet printers, soft wallpaper made from Japanese paper, and wallpaper with glitter. As a result, concerns have arisen that conventional tension bars may cause damage to the wallpaper surface due to frictional contact.

[0008] While Patent Document 1 describes the use of rollers instead of bars (stays), it does not disclose how the rollers are configured to be attached to the foldable legs and how they can be detached.

[0009] Wallpaper that users apply adhesive to comes in various types, including thin and thick wallpapers, and those that are prone to wrinkling depending on the material. The appropriate tension differs for each type of wallpaper, and it has become increasingly important to adjust the tension without applying friction to the surface of the wallpaper.

[0010] Furthermore, since wallpaper pasting machines are transported by users with their legs folded when moving them from the office to the work site, the tension bar needs to be removable. Furthermore, affordability is also a requirement.

[0011] In other words, there is a need for a tensioning device that does not damage the surface of the wallpaper, can apply the appropriate tension to each type of wallpaper used, is easy to attach and detach, and is inexpensive. [Means for solving the problem]

[0012] The wallpaper roll, threaded onto the core rod, is unfolded by the rotation of the feed roller and transported into the main body of the wallpaper pasting machine, and the paste stored in the paste box is scooped up by the roller. In a wallpaper pasting machine that applies adhesive to the back of wallpaper while cutting the left and right side edges with a slitter, A tensioning device that applies tension to the wallpaper transport path from the core rod on which the wallpaper roll is attached to the feed roller, The tensioning device is composed of an inner cylindrical part and an outer cylindrical part, The outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion. The device is characterized by being equipped with the aforementioned tensioning device.

[0013] The wallpaper roll, threaded onto the core rod, is unfolded by the rotation of the feed roller and transported into the main body of the wallpaper pasting machine, and the paste stored in the paste box is scooped up by the roller. In a wallpaper pasting machine that applies adhesive to the back of wallpaper while cutting the left and right side edges with a slitter, A tensioning device that applies tension to the wallpaper transport path from the core rod on which the wallpaper roll is attached to the feed roller, The tensioning device is composed of an inner cylindrical part and an outer cylindrical part, Notches are provided at the left and right ends of the inner cylindrical portion. The outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion. The device is characterized by having the tensioning device attached to the system stopper of the wallpaper pasting machine by the aforementioned notch.

[0014] The tensioning device is characterized by being secured to a securing mechanism located at least at the leg portion within the wallpaper transport path from the wallpaper core rod to the rotating blade of the slitter.

[0015] The tension device is locked to at least a locking portion provided on the slitter within the wallpaper conveyance path from the wallpaper base roll core to the rotating blade of the slitter.

[0016] The tension device is provided with a mark corresponding to the position of the rotating blade of the slitter.

Advantages of the Invention

[0017] The wallpaper base roll passed through the base roll core is unwound by the rotation of the feed roller and conveyed into the wallpaper pasting machine body, and the paste stored in the paste box is pumped up by the roller. In a wallpaper pasting machine that applies paste to the back surface of the wallpaper while cutting the left and right side edges with a slitter. A tension device that applies tension within the wallpaper conveyance path from the base roll core on which the wallpaper base roll is mounted to the feed roller. The tension device is composed of an inner cylindrical portion and an outer cylindrical portion. The outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion. Characterized by comprising the tension device. It is possible to obtain a wallpaper pasting machine equipped with a tension device that does not damage the surface of the wallpaper and is inexpensive.

[0018] The wallpaper base roll passed through the base roll core is unwound by the rotation of the feed roller and conveyed into the wallpaper pasting machine body, and the paste stored in the paste box is pumped up by the roller. In a wallpaper pasting machine that applies paste to the back surface of the wallpaper while cutting the left and right side edges with a slitter. A tension device that applies tension within the wallpaper conveyance path from the base roll core on which the wallpaper base roll is mounted to the feed roller. The tension device is composed of an inner cylindrical portion and an outer cylindrical portion. Notches are provided at the left and right end portions of the inner cylindrical portion. The outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion. The tension device is characterized by being attached to the system-stopping part of the wallpaper pasting machine by the aforementioned notch, This allows for the creation of a wallpaper pasting machine equipped with an inexpensive tension device that does not damage the surface of the wallpaper, is removable for easy transport, and is compatible with conventional pasting machines.

[0019] The tensioning device is characterized by being secured to a securing mechanism provided at least at the leg portion within the wallpaper transport path from the wallpaper core rod to the rotating blade of the slitter. This allows for applying the appropriate tension to each type of wallpaper used.

[0020] The tensioning device is characterized by being secured to at least a securing portion provided on the slitter within the wallpaper transport path from the wallpaper core rod to the rotating blade of the slitter, This allows for applying the appropriate tension to each type of wallpaper used.

[0021] The tensioning device is characterized by having a mark corresponding to the position of the rotating blade of the slitter, This allows you to check whether the wallpaper is installed in the correct position. [Brief explanation of the drawing]

[0022] [Figure 1] Figure 1 is a perspective view illustrating the configuration of the wallpaper pasting machine of the present invention. [Figure 2] Figure 2 is a cross-sectional view illustrating the configuration of the wallpaper pasting machine of the present invention. [Figure 3] Figure 3 is a functional block diagram of the wallpaper pasting machine of the present invention. [Figure 4] Figure 4 shows a front view, a side view, and a cross-sectional view of the tensioning device of the present invention. [Figure 5] Figure 5 shows an example of a setup with one tensioning device of the present invention installed. [Figure 6] Figure 6 is a path diagram 1 when one tensioning device of the present invention is installed. [Figure 7] Figure 7 is a diagram 2 showing the path when one tensioning device of the present invention is installed. [Figure 8] Figure 8 shows the path diagram 1 when two tension devices of the present invention are installed. [Figure 9] Figure 9 is a path diagram 2 when two tension devices of the present invention are installed. [Figure 10] Figure 10 shows an example in which two tension devices of the present invention are installed on the legs of a gluing machine. [Figure 11] Figure 11 shows an example in which three tensioning devices of the present invention are installed. [Figure 12] Figure 12 shows an example in which a marking line is provided in the tensioning device of the present invention. [Modes for carrying out the invention]

[0023] The configuration of the wallpaper pasting machine (1) of the present invention will be explained using Figure 1 and Figure 2. The wallpaper pasting machine (1) has a main body (1a) consisting of an upper frame (2) and a lower frame (3) which is placed on legs (4), and a control device (5) is attached to the upper frame (2). The lower frame (3) of the main body (1a) of the wallpaper pasting machine (1) is equipped with a feed roller (9), a doctor roller (11), a pasting roller (12), and a leveling roller (14). A paste box (7) is also attached to the lower frame (3), and a paste lifting roller (15) is provided inside the paste box (7) for scooping up paste B and transferring it to the pasting roller (12). Furthermore, a slitter (6) equipped with an upper blade (28) and a lower blade (29) for cutting the left and right edges of wallpaper A is attached to the lower frame (3).

[0024] Furthermore, the upper frame (2) of the main body (1a) is equipped with a measuring roller (8), a high-tension roller (10), and a pressing roller (13). The upper frame (2) can be opened and closed relative to the lower frame (3) by an opening and closing pivot point (not shown), and the upper frame (2) is opened when putting glue B into the glue box (7) or when setting wallpaper A. Additionally, the upper frame (2) is provided with a pair of carrying handles (18) on both the left and right sides. Furthermore, the upper frame (2) is equipped with a control device (5) for controlling the wallpaper pasting machine (1).

[0025] The lower frame (3) is driven to rotate the feed roller (9), doctor roller (11), gluing roller (12), leveling roller (14), gluing roller (15), and press roller (13) by a motor gear (not shown) located at the tip of the output shaft of the motor (24) and a plurality of main body gears (not shown) located inside the lower frame (3) and inside the upper frame (2). On the other hand, the measuring roller (8) and the high-tension roller (10) are not driven by the motor (24) and rotate in accordance with the wallpaper A being transported.

[0026] Furthermore, a measuring unit (35) is provided at the end of the shaft of the measuring roller (8), and a measuring signal (37) is generated in proportion to the rotation of the measuring roller (8). The calculation unit (33) counts the measuring signal (37) to calculate the "effective adhesive length" of the discharged wallpaper A.

[0027] Furthermore, the adhesive B stored in the adhesive box (7) is scooped up by the adhesive lifting roller (15) and transferred to the adhesive application roller (12), and a predetermined thickness of adhesive B, determined by the gap between the doctor roller (11) and the adhesive application roller (12), is applied to the back of the wallpaper A.

[0028] Furthermore, the control device (5) is equipped with a display operation unit (30) consisting of a liquid crystal display and LEDs, which displays the "set adhesive length" set by the operator, the "set number of sheets" set by the operator, operating conditions such as the adhesive application speed, the settings of auxiliary functions, warnings such as high voltage and remaining adhesive amount, and the "executed adhesive length," which is the length of wallpaper A that has been discharged after adhesive B has been applied. The display and operation unit (30) is equipped with multiple key switches for operating the wallpaper pasting machine (1).

[0029] Furthermore, a slitter (6) for cutting the side edges of wallpaper A is detachably attached to the wallpaper pasting machine (1). The slitter (6) has a pair of left and right slitter frames (23) connected to the slitter rear stay (16) and the slitter entrance stay (17), and inside this, The structure consists of a pair of upper and lower blades (28 and 29) that pass through an upper blade drive shaft (not shown) and a lower blade drive shaft (not shown). The drive of the motor (24) is transmitted by multiple main body gears (not shown) to rotate the upper blade (28) and lower blade (29) to cut the side edges of the wallpaper A.

[0030] Next, the functions of the control device (5) of the wallpaper pasting machine (1) of the present invention will be explained using the block shown in Figure 3.

[0031] As shown in Figure 3, the motor (24) is a DC brushless motor, and has the function of detecting the rotor position using a Hall element mounted inside and outputting a signal proportional to the rotation direction and rotation speed.

[0032] The motor control unit (34) controls the speed of the motor (24) using signals proportional to the rotation direction and rotation speed output from the motor (24).

[0033] The display and operation unit (30) is for inputting operating conditions, outputting operating status, and issuing operating instructions for the wallpaper pasting machine (1), and is composed of multiple key switches, an LCD display, a touch panel, etc. A buzzer (not shown) is also provided to generate operation sounds and notification sounds.

[0034] The memory unit (32) is a RAM and ROM that stores multiple processes to be executed by the arithmetic unit (33), and stores data such as variables necessary for executing the processes, operating conditions, and glued execution records.

[0035] The measuring unit (35) generates a measuring signal (37) that is proportional to the rotation of the measuring roller (8) which rotates in accordance with the conveyed wallpaper.

[0036] The cross detection unit (36) detects the presence or absence of wallpaper A. It is composed of a reflective photoelectric sensor (not shown), and is positioned within the wallpaper conveying path of the wallpaper pasting machine (1) such that when wallpaper A is present in the wallpaper conveying path, the light beam emitted by the photoelectric sensor (not shown) is reflected by wallpaper A and incident on the photoelectric sensor (not shown), causing the output of the photoelectric sensor (not shown) to turn ON, and when wallpaper A is not present, it turns OFF.

[0037] The communication unit (31) is for sending and receiving data with a device separate from the control unit (5).

[0038] The arithmetic unit (33) mainly consists of a single-chip microcontroller and controls the wallpaper pasting machine (1) by executing a predetermined sequence. The measuring unit (35) generates measuring signals (37), which are counted to calculate the "effective glued length" of the transported wallpaper A. The calculation unit (33) counts each measuring signal (37) and adds to the parameter t, which serves as the first counter, as t←t+1, to determine the "effective glued length" L as L=t×P, (where P is the distance the wallpaper A traveled when one measuring signal (37) is counted (a constant determined based on the diameter of the measuring roller (8))). Furthermore, the calculation unit (33) has the function of controlling the display operation unit (30), the motor control unit (34), the communication unit (31), and so on.

[0039] Next, in the wallpaper pasting machine (1) of the present invention, The tensioning device (51) of the present invention and the path by which the wallpaper A is pulled out from the wallpaper roll C set in the roll holder (19) and transported to the main body (1a) will be described.

[0040] Figure 4(a) is a front view of the tensioning device (51) of the present invention, Figure 4(b) is a side view from the left, Figure 4(c) is a side view from the right, and Figure 4(d) is a cross-sectional view.

[0041] The tensioning device (51) consists of an outer cylindrical portion (53) and an inner cylindrical portion (52) having left and right ends. The length of the inner cylindrical portion (52) is longer than that of the outer cylindrical portion (53), and notches (52b) and (52a) are provided at the left and right ends of the inner cylindrical portion (52) that protrude from the outer cylinder, so that it can be attached to a system stopper described later.

[0042] A spring member (55) is provided in the internal cavity of the inner cylindrical portion (52). The spring member (55) is fixed in place by the spring retaining member (52c) provided on the inner cylindrical portion (52), preventing it from moving in the left-right direction (towards the center).

[0043] The inside of the outer cylindrical part (53) is hollow, and the inner cylindrical part (52) passes through it. Retaining rings (54c) and (54a) are provided at the left and right ends of the inner cylindrical portion (52). The retaining ring (54c) is fixed to the inner cylindrical portion (52) by a locking pin (54d), and the retaining ring (54a) is fixed to the inner cylindrical portion (52) by a locking pin (54b).

[0044] In this way, by configuring the outer cylindrical portion (53) on the outside of the inner cylindrical portion (52), when the notches (52b) and (52a) at the left and right ends of the inner cylindrical portion (52) are attached to the retaining parts described later, the inner cylindrical portion (52) is fixed by the notches (52b) and (52a) at the left and right ends and does not rotate, but the outer cylindrical portion (53), which is inside the left and right retaining rings (54a) and retaining rings (54c) fixed to the inner cylindrical portion (52) by lock pins (54b) and lock pins (54d), becomes rotatable relative to the inner cylindrical portion (52).

[0045] In other words, when mounted on a gluing machine, a tension device can be obtained in which the inner cylindrical part (52) attached to the system stopper does not rotate, while the outer cylindrical part (53) rotates. Furthermore, the outer cylindrical portion (53) is prevented from shifting laterally relative to the inner cylindrical portion (52) during rotation by the retaining rings (54a) and (54c) on the left and right sides.

[0046] Furthermore, although the outer cylindrical portion (53) in this invention uses a stainless steel pipe, materials other than stainless steel may be used as long as the surface that comes into contact with the wallpaper is free from irregularities or roughness.

[0047] Figure 5 shows the state in which the tension device (51) is attached to the first locking part (41a). As shown in Figure 5, the wallpaper pasting machine (1) is provided with four locking parts for attaching the tensioning device (51). The leg portion (4) has a pair of left and right first locking parts (41a) and a pair of left and right second locking parts (41b), The lower left and right frames of the slitter (6) are equipped with a pair of third locking parts (41c) and a pair of fourth locking parts (41d). The tensioning device (51) is attached to one of the locking parts described above.

[0048] When the tensioning device (51) is installed between the left and right pair of first locking parts (41a), The worker holds the tensioning device (51) by hand, If you press the notch (52a) on the side with the spring member (55) against the first locking part (41a) The spring compresses, allowing it to be attached.

[0049] As shown in Figure 5, when gluing is started with the tension device (51) attached to the first locking part (41a), the wallpaper A is unrolled from the wallpaper roll C by the rotation of the feed roller (9), and the surface of the wallpaper A comes into contact with the outer cylindrical part (53) of the tension device (51) attached to the left and right pair of first locking parts (41a) as it is conveyed. At this time, the inner cylindrical parts (52) attached to the left and right pair of first locking parts (41a) do not rotate due to the notches (52a) and notches (52b), i.e., the left and right ends, but the outer cylindrical part (53) rotates in accordance with the wallpaper A it is in contact with. Since the outer cylindrical part (53) rotates in accordance with the conveyance of the wallpaper A, the surface of the wallpaper A is not damaged by friction.

[0050] Figure 6(a) is a path diagram when a tension device (51) is attached to the first system stopper (41a) located on the leg. Figure 6(a) shows a configuration similar to that of Figure 5. Wallpaper A, which is unrolled from the wallpaper roll C by the feed roller (9) and conveyed, is conveyed while in contact with the outer cylindrical part (53) of the tension device (51) attached to the first locking part (41a) of the leg. The surface of the wallpaper A is in contact with the outer cylindrical part (53) of the tension device (51). Since the outer cylindrical part (53) rotates in response to the conveyance of the wallpaper A, it does not damage the surface of the wallpaper A. The wallpaper A, having passed through the first locking part (41a), is conveyed to the slitter inlet stay (17). Then, the back side of the wallpaper A is conveyed to the upper blade (28) and lower blade (29) of the slitter (6) while friction contact occurs at the slitter entrance stay (17). After passing through the slitter (6), the wallpaper A is sandwiched between the feed roller (9) and the measuring roller (8), and adhesive is applied to it via the adhesive roller (12), high tension roller (10), press roller (13), and leveling roller (14), and the wallpaper A is discharged.

[0051] Figure 6(b) is a path diagram when a tension device (51) is attached to the second system stopper (41b) located on the leg. Wallpaper A is transported while in contact with the outer cylindrical part (53) of the tension device (51) attached to the second locking part (41b) of the leg. The surface of wallpaper A is in contact with the outer cylindrical part (53) of the tension device (51). The outer cylindrical part (53) rotates as a result of the transport of wallpaper A, so it does not damage the surface of wallpaper A. After passing through the second locking part (41b), wallpaper A is transported to the slitter inlet stay (17), where it is coated with adhesive and discharged along the same path as in Figure 6(a).

[0052] In the path where the tension device (51) is attached to the second locking part (41b), the force (tension) applied to the wallpaper A from the wallpaper roll C, where conveyance begins, to the feed roller (9) is weaker than when the tension device (51) is attached to the first locking part (41a).

[0053] Figure 7(a) is a path diagram when a tension device (51) is attached to the third locking part (41c) provided on the slitter (6). Since the third locking part (41c) is provided on the slitter (6), the wallpaper A is conveyed without passing through the legs, but in contact with the outer cylindrical part (53) of the tensioning device (51) attached to the third locking part (41c). The surface of the wallpaper A is in contact with the outer cylindrical part (53) of the tensioning device (51). The outer cylindrical part (53) rotates in response to the conveyance of the wallpaper A, so it does not damage the surface of the wallpaper A. After passing through the third locking part (41c), it follows the same path as in Figures 6(a) and (b).

[0054] In the path where the tension device (51) is attached to the third locking part (41c), the force (tension) applied to the wallpaper A from the wallpaper roll C where conveyance begins to the feed roller (9) is the strongest among the paths where the tension device (51) is attached from the first locking part (41a) to the fourth locking part (41d).

[0055] Figure 7(b) is a path diagram when a tension device (51) is attached to the fourth locking part (41c) provided on (6) of the slitter. Wallpaper A is transported while in contact with the outer cylindrical portion (53) of the tension device (51) attached to the fourth locking portion (41d). The surface of wallpaper A is in contact with the outer cylindrical portion (53) of the tension device (51). Since the outer cylindrical portion (53) rotates in response to the transport of wallpaper A, it does not damage the surface of wallpaper A. The subsequent path is the same as in Figure 7(a).

[0056] In the path where the tension device (51) is attached to this fourth locking part (41d), the force (tension) applied to the wallpaper A from the wallpaper roll C where conveying begins to the feed roller (9) is weaker than in Figure 7(a) and stronger than in Figure 6(a).

[0057] In this way, by attaching the tensioning device (51) to one of the multiple locking parts, it becomes possible to adjust the force (tension) applied to the wallpaper A from the wallpaper roll C to the feed roller (9) without damaging the surface of the wallpaper A.

[0058] Wallpaper that users apply adhesive to comes in various types, including thin wallpaper, thick wallpaper, and wallpaper that is prone to wrinkling depending on the material, and the appropriate tension differs for each type of wallpaper.

[0059] Therefore, for example, if you want to apply strong tension to a thick wallpaper, but friction would damage the surface pattern, you can attach the tensioning device (51) to the third locking part (41c) to apply strong tension without rubbing the surface of the wallpaper.

[0060] Furthermore, for thin wallpapers that are aesthetically pleasing and should be avoided due to friction, the tensioning device (51) can be attached to the second locking part (41b) to apply tension without rubbing the surface of the wallpaper.

[0061] The wallpaper pasting machine of the present invention applies appropriate tension by changing the position where the tensioning device, in which the outer cylindrical part rotates in accordance with the wallpaper, is fixed according to the characteristics of the wallpaper material.

[0062] Next, we will explain the path when two tension devices (51) of the present invention are attached to two of the first to fourth locking parts (41a to 41d).

[0063] Figure 8 shows the path when two tension devices (51) are installed, and in both (a) and (b), one of the tension devices (51) is installed on the third locking part (41c).

[0064] Figure 8(a) shows that wallpaper A, which is unrolled from wallpaper roll C by a feed roller (9) and transported, is transported in contact with the outer cylindrical part (53) of a tension device (51) attached to the first locking part (41a) of the leg part (4), and then transported in contact with the outer cylindrical part (53) of a tension device (51) attached to the third locking part (41c) provided on the slitter (6). The surface of the wallpaper A is in contact with the outer cylindrical parts (53) of the two tension devices (51). The outer cylindrical parts (53) rotate as the wallpaper A is transported, so the surface of the wallpaper A is not damaged. After passing through the third locking part (41c), the wallpaper A is transported to the slitter inlet stay (17), and thereafter follows the same path as in the example where only one tension device (51) is attached.

[0065] Figure 8(b) shows that the transport path passes through the second locking part (41b) and the third locking part (41c), and the subsequent path is the same as in Figure 8(a).

[0066] Figure 9 shows the routing diagram when two tension devices (51) are installed, and in both (a) and (b), one of the tension devices (51) is attached to the fourth locking part (41d).

[0067] Figure 9(a) shows that the transport path passes through the second locking part (41b) and the fourth locking part (41d), and the subsequent path is the same as in Figure 8(a).

[0068] Figure 9(b) shows that the transport path passes through the first locking part (41a) and the fourth locking part (41d), and the subsequent path is the same as in Figure 8(a).

[0069] In this way, by attaching two tension devices (51) to any of the multiple locking parts, it becomes possible to adjust the force (tension) applied to the wallpaper A from the wallpaper roll C to the feed roller (9) more precisely without damaging the surface of the wallpaper A.

[0070] Furthermore, when attaching two tension devices to any two of the multiple locking parts, one tension device (51) may be attached, and the remaining one may be a conventional non-rotating tension bar. In this case, the tension device (51) should be attached to the locking part that is subjected to greater tension. For example, when attaching tension devices to the first locking part (41a) and the fourth locking part (41d) as shown in Figure 9(b), the tension device (51) should be attached to the first locking part (41a), and the conventional non-rotating tension bar should be attached to the fourth locking part (41d).

[0071] When two tension devices are attached to any two of the multiple locking parts in this manner, by combining the tension device (51) with a conventional non-rotating tension bar, it becomes possible to adjust the force (tension) applied to the wallpaper A from the wallpaper roll C to the feed roller (9) with even greater precision.

[0072] Furthermore, when two tension devices are attached to any two of the multiple locking parts, the path may be limited to the system locking part of the leg (4). Figure 10 shows a tension device (51) attached to the first system locking part (41a) and the second system locking part (41b) of the leg (4).

[0073] In Figure 10, the wallpaper A, which is unrolled from the wallpaper roll C by the feed roller (9) and transported, is transported while in contact with the outer cylindrical part (53) of the tension device (51) attached to the first locking part (41a) of the leg. The surface of the wallpaper A is in contact with the outer cylindrical part (53) of the tension device (51). Subsequently, the back surface of the wallpaper A is transported while in contact with the outer cylindrical part (53) of the tension device (51) attached to the second locking part (41b) of the leg.

[0074] In this configuration, where two tension devices are attached to two system-stopping points on the legs, the tension device (51) contacts the surface of wallpaper A at the first system-stopping point (41a) and the back surface of wallpaper A at the second system-stopping point (41b). Therefore, even if the tension device attached to the second system-stopping point (41b) is changed from a tension device (51) to a conventional non-rotating tension bar, the tension can be adjusted without frictional contact with the surface of wallpaper A.

[0075] Furthermore, in Figure 10, wallpaper A is transported via a slitter after passing through the system-stopping part of the leg, but since the tension device is attached only to the system-stopping part of the leg (4), it can also be used when gluing without using a slitter (6).

[0076] We have described the cases where one tension device (51) is attached and the cases where two tension devices (51) are attached, but it is also possible to attach three tension devices (51) and perform gluing. Figure 11 shows the case where tension devices (51) are attached to the first system stopper (41a), the second system stopper (41b), and the third system stopper (41c).

[0077] In this path, the tension devices are configured such that the first stopper (41a) contacts the surface of wallpaper A, the second stopper (41b) contacts the back surface of wallpaper A, and the third stopper (41c) contacts the surface of wallpaper A. Of course, three tension devices (51) may be used, but tension devices (51) may be attached to the stoppers that contact the surface of wallpaper A, and either tension devices (51) or conventional non-rotating tension bars may be selected and attached to the stoppers that contact the back surface of wallpaper A.

[0078] Figure 12 shows a tensioning device (51) with a marker line to confirm whether the position where wallpaper A is set in the adhesive path is appropriate.

[0079] Conventionally, slitters (6) have been equipped with a scale ruler that indicates the origin position of the rotating blades (upper blade (28) and lower blade (29)). When setting wallpaper A into the pasting machine, position it so that the center of the wallpaper roll C coincides with the center of the wallpaper roll core rod (20). After positioning wallpaper A, if the positional relationship between the left and right width of wallpaper A and the scale ruler of the slitter, and between the left and right width of wallpaper A and the mark line are the same, the wallpaper can be set to be transported straight.

[0080] Figure 12 shows a tensioning device (51) equipped with a left first marker line (61a), a right first marker line (61b), a left second marker line (62a), a right second marker line (62b), a left third marker line (63a), and a right third marker line (63b). O is the center position of the tensioning device (51).

[0081] The left and right first marking lines (61a, 61b) are located 450 millimeters to the left and right from the center O of the tensioning device (51), and the length from the left first marking line (61a) to the right first marking line (61b) is 900 millimeters. This is the same position as the zero marking on the slitter's (6) scale ruler, i.e., the origin of the rotating blade.

[0082] The second left marker line (62a) is located 10 millimeters from the first left marker line (61a) towards the center, and the second right marker line (62b) is located 10 millimeters from the first right marker line (61b) towards the center.

[0083] The left third marker line (63a) is located 10 millimeters outward from the left first marker line (61a) (opposite direction to the center), and the right third marker line (63b) is located 10 millimeters outward from the left right marker line (61b).

[0084] By providing a marking line on the tensioning device (51) that corresponds to the position of the rotating blade of the slitter (6), it is possible to confirm whether the position in which the wallpaper A is set is appropriate. [Explanation of symbols]

[0085] 1 Wallpaper gluing machine 1a Main body 2. Upper frame 3. Lower frame 4 legs 5 Control device 6 Slitter 7 Glue box 8 Measuring roller 9. Feed roller 10 High-tension rollers 11 Doctor Roller 12. Glue roller 13 Pressing roller 14. Leveling Roller 15. Glue roller 16 Slitter Rear Stay 17 Slitter Inlet Stay 18 Handle 19. Raw material receiving 20 Fabric core rod 21 Side panels 23 Slitter Frame 24 motors 25 Glue box front 26 Lower front stay 27 Leg stays 28 Upper blade 29 Lower blade 30 Display operation section 31 Communications Department 32 Storage section 33 Arithmetic section 34 Motor Control Unit 35 Measurement Department 36 Cross detection unit 37 Measurement signal 41a 1st locking part 41b Second locking part 41c 3rd locking part 41d 4th locking part 51 Tension device 52 Inner cylindrical part 52a Notch 52b Notch 52c Spring retaining member 53 Outer cylindrical part 54a Retaining ring 54b Locking pin 54c retaining ring 54d Locking pin 55 Spring component 61a Left First Marker Line 61b Right First Marker Line 62a Left Second Marker Line 62b Right Second Marker Line 63a Left Third Marker Line 63b Right Third Marker Line A wallpaper B glue C Wallpaper material

Claims

1. The wallpaper roll is fed through the roll core rod, and the roll is released by the rotation of the rollers and transported into the wallpaper pasting machine. The glue stored in the glue box is then drawn up by the rollers. In a wallpaper glue applicator that applies glue to the backside of wallpaper while cutting the left and right side edges with a slitter, A tensioning device that applies tension in the wallpaper transport path from the wallpaper roll core rod on which the wallpaper roll is attached to the feed roller, The tension device is composed of an inner cylindrical portion and an outer cylindrical portion, The outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion. A wallpaper pasting machine comprising the tension device.

2. The wallpaper roll is fed through the roll core rod, and the roll is released by the rotation of the rollers and transported into the wallpaper pasting machine. The glue stored in the glue box is then drawn up by the rollers. In a wallpaper glue applicator that applies glue to the backside of wallpaper while cutting the left and right side edges with a slitter, A tensioning device that applies tension in the wallpaper transport path from the wallpaper roll core rod on which the wallpaper roll is attached to the feed roller, The tension device is composed of an inner cylindrical portion and an outer cylindrical portion, Notches are provided at the left and right ends of the inner cylindrical portion, the outer cylindrical portion is rotatably attached to the outside of the inner cylindrical portion; 2. The wallpaper pasting machine according to claim 1, further comprising the tensioning device attached to a fastening portion of the wallpaper pasting machine by means of the notch.

3. 3. The wallpaper pasting machine according to claim 1, wherein the tension device is fixed to a fixing portion provided on at least the leg portion within the wallpaper transport path from the wallpaper roll core rod to the rotating blade of the slitter.

4. 3. The wallpaper pasting machine according to claim 1, wherein the tension device is fixed to a fixing portion provided on the slitter at least within the wallpaper transport path from the wallpaper roll core rod to the rotary blade of the slitter.

5. 5. The wallpaper pasting machine according to claim 1, wherein the tension device is provided with a mark corresponding to the position of the rotary blade of the slitter.

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