JP6378815B1 - Automatic double folding machine for recording paper - Google Patents

Abstract

An object of the present invention is to reduce the cost by automatically pasting and sealing in a double fold when recording paper is transmitted while maintaining confidentiality of the contents.
An inlet pressure contact roller and an inlet drive roller are pivotally supported by a casing inside the suction port in two upper and lower stages. The outlet pressure contact roller 41 and the outlet drive roller 40 are pivotally supported in two upper and lower stages, and the lower inlet drive roller 10 and the outlet drive roller 40 driven by the motor M are in the same direction as the traveling direction S of the recording paper 9 via the belt B. It is freely rotatable. The sucked recording paper 9 advances with both ends 91 and 92 being glued by the gluer N, is guided by the guide body G and is transferred in the reverse direction T, and the leading end 90 of the recording paper 9 contacts the sensing unit 60. In this case, the rotation of the driving roller 10 is temporarily stopped, the outlet pressure roller 41 is moved downward and the recording paper 9 is sandwiched between the outlet driving roller 40 and the driving roller 10 is re-driven to perform recording. The paper 9 is folded twice, glued and sealed and discharged.
[Selection] Figure 6

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic double folding apparatus for recording paper that secures confidentiality, and in particular, automatically pastes a letter as a standard recording paper of A4 size or the like transmitted and discharged by a facsimile machine. It belongs to the technical field of automatic double folding machines for sealing.

  Conventionally, there is no simple device that automatically folds a recording sheet and automatically folds the recording paper. No. 71069).

  That is, Patent Document 1 discloses that “the thermal recording paper (1) having an address recording area (4) and a communication content recording area (5)” and the thermal recording paper (1) arranged on the surface of the thermal recording paper (1). The covering sheet (2) for preventing the see-through of the communication content recording area (5) of (1) and the covering sheet (2) are detachably bonded to the surface of the thermal recording paper (1), and the covering sheet ( The adhesive layer (3), which does not adhere again after the 2) is peeled once, is formed on the back surface of the communication content recording area (5) of the thermal recording paper (1). A confidential double-faced facsimile paper on which a dense pattern (6) is printed, which prevents the communication content recorded in the communication content recording area (5) from being read from the back side. (Claim 1, reference numerals are as in the original text).

JP-A-9-71069

  The conventional example is inconvenient because it is not applied to standard recording paper (plain paper) of A4 size or the like that is generally used at present. That is, the heat-sensitive recording paper (1) of the conventional example is obtained by coating, for example, two kinds of compounds on a base paper, and at the time of recording, one of the two kinds of compounds melts with heat and reacts with the other. Develop color. The adhesive layer (3) adheres the cover sheet (2) to the surface of the thermal recording paper (1) so that it can be peeled off. However, once peeled off, the adhesive layer (3) needs not to be attached again. In addition, a dense pattern (6) must be printed on the back side of the thermal recording paper (1) so that the communication content recorded in the communication content recording area (5) cannot be read from the back side. It takes time and money.

  Accordingly, an object of the present invention is to provide confidentiality at a low cost by automatically sealing and double-sealing in the process of transmitting recording paper (plain paper) while maintaining confidentiality of contents. In particular, to provide an automatic double folding machine for recording paper that realizes delivery of a letter as a standard recording paper transmitted and discharged by a facsimile machine to a transmission partner easily and reliably while maintaining confidentiality. It is.

As a means for solving the problem, the automatic double folding apparatus for recording paper according to claim 1 has a suction port 3 on the front surface 2 and a discharge port 6 on the rear surface 4 of the housing 1. The drive rollers 10, 20, 40 driven by the motor M installed inside 1 are rotated in the same direction as the recording paper 9 travel direction S via the belt B, and the recording paper 9 is sucked from the suction port 3. An automatic double folding machine capable of discharging the recording paper 9 in a double folded sealed state,
a) The inlet drive roller 10 is pivotally supported on the left and right inner surfaces 70 and 80 of the housing 1 below the inside of the suction port 3, and the recording paper 9 is sandwiched at a position directly above the inlet drive roller 10. An inlet pressure contact roller 11 that slides on the left and right side surfaces 70 and 80 of the housing 1 is pivotally supported, and a sensing unit 60 that senses the leading edge 90 of the recording paper 9 that is transported in the reverse direction T and can be stopped temporarily. Installed at the top of the inlet pressure roller 11;
b) The second driving roller 20 is pivotally supported on the left and right inner side surfaces 70 and 80 of the housing 1 at the front side of the entrance driving roller 10, and directly above the left and right ends 20 a and 20 b of the second driving roller 20. At the position P, there is installed a gluer N that can be glued to the upper surfaces 93 of the left and right ends 91, 92 of the transferred recording paper 9, and a second for transporting the recording paper 9 at a position above the gluer N. The pressure roller 21 is pivotally supported on the left and right inner surfaces 70, 80 of the housing 1,
c) Below the inside of the discharge port 6, the outlet drive roller 40 is pivotally supported by the left and right inner side surfaces 70, 80 of the housing 1, and moves in the vertical direction at a position directly above the outlet drive roller 40. The outlet pressure contact roller 41 on which the recording paper 9 can be freely inserted is pivotally supported on the left and right inner surfaces 70, 80 of the housing 1,
d) A guide body G for guiding the recording paper 9 slightly upward is installed on the inner surface of the housing 1 in the vicinity of the discharge port 6.
e) The recording paper 9 sucked from the suction port 3 through the rollers 10, 11, 20, 21, 40, 41 arranged in parallel to the suction port 3 and the discharge port 6 of the housing 1 91 and 92 are pasted by the gluer N, are guided by the guide body G, are transferred in the reverse direction T within the rear surface 4 of the housing 1, and the leading end 90 of the recording paper 9 contacts the sensing unit 60. In this case, the rotation of the driving rollers 10, 20, 40 is temporarily stopped, the outlet pressure contact roller 41 is moved downward, and the recording paper 9 is sandwiched between the outlet driving roller 40 and then the driving roller 10. , 20 and 40 are driven again, and the recording paper 9 is folded and double-folded, glued and sealed, and discharged from the discharge port 6.

The automatic double folding apparatus for recording paper according to claim 2 is characterized in that the length of the side surfaces 7 and 8 from the suction port 3 to the discharge port 6 of the casing 1 is the vertical length of the A4 size standard recording paper 9. It is formed slightly longer than half of the length in the direction.

The automatic double folding apparatus for recording paper according to claim 3 , wherein the auxiliary driving roller 30 is provided between the second driving roller and the 20 outlet driving roller 40 on the left and right inner side surfaces 70, 80 of the housing 1. Auxiliary intermediate roller 32 pivotally supported on the left and right inner surfaces 70 and 80 of the stationary housing 1 directly above the auxiliary driving roller 30 and the housing 1 at a position directly above the auxiliary intermediate roller 32. The recording paper 9 is configured to be transportable between the auxiliary pressure roller 31 pivotally supported by the left and right inner surfaces 70 and 80.

The automatic double folding apparatus for recording paper according to claim 4 , wherein the outlet pressure contact roller 41 is provided with gears 42 at both ends 41a and 41b, and can be driven by a second motor M2 installed independently, A rack 50 is formed in the vertical direction on the rear inner surface 5 of the housing 1 and is supported by slide grooves 71 and 81 formed in the vertical direction of the left and right inner surfaces 70 and 80 of the housing 1. The gear M of the outlet pressure roller 41 is engaged with the rack 50 by the drive M2 of the drive motor, and the outlet pressure roller 41 is moved in the vertical direction, so that the recording paper 9 can be sandwiched between the outlet drive roller 40.

6. An automatic double folding and pasting machine for recording paper according to claim 5 , wherein replaceable window portions 72 and 82 of the gluer N are provided on the left and right side surfaces 7 and 8 of the housing 1, respectively. A gluer N having a shape-like glue can be exchanged via the window portions 72 and 82.

In the automatic double folding apparatus for recording paper according to claim 6 , the guide body G can be guided by receiving the lower surfaces 94 of the left and right ends 91, 92 of the recording paper 9 transported in the housing 1. In this way, a pair of left and right inner side surfaces 70 and 80 of the housing 1 are respectively provided inwardly projecting and curved slightly upward in the vicinity of the outlet drive roller 40.

The recording paper automatic double folding apparatus according to claim 7 , wherein the pair of left and right guide bodies G are connected to a horizontal arm portion 100 with a rack 101 extending inwardly, and the pair of left and right horizontal bodies. The arm portions 100, 100 are screwed into a central gear 102 installed at the center, and when the recording paper 9 is transferred, the pair of left and right arms are rotated by the rotation of the central gear 102 or the outward movement of the horizontal arm portion 100. Guide bodies G, G are configured to be retractable to the outside of the recording paper 9.

In the automatic double folding apparatus for recording paper according to claim 8 , the pair of left and right guide bodies G and G are provided at outer ends 104 of L-shaped arm portions 103 respectively extending inward, The inner end 105 of the L-shaped arm portion 103 is movably connected to a common central pin 107, and the bending point 108 of the L-shaped arm portion 103 is pin 109 on the left and right inner side surfaces 7, 8 of the housing 1. When the recording paper 9 is transferred, the pair of left and right guide bodies G and G are configured to be retractable to the outside of the recording paper 9 by moving the central pin 107 forward.

In the automatic double folding apparatus for recording paper according to claim 9 , the pair of left and right guide bodies G, G are divided into upper and lower divided parts of an upper fixed guide body 200 and a lower movable guide body 201, respectively. The fixed guide body 200 is provided on the inner surface 5 of the rear surface of the housing 1 with a curved portion 202 inside, and the movable guide body 201 has a curved portion 203 on the inner side and both left and right ends 41a of the outlet pressure contact roller 41. , 41b are connected to each other, and when the outlet pressure contact roller 41 is positioned above, the recording paper 9 is guided in the reverse direction by being guided by the bending portion 203 of the movable guide body 201 and the bending portion 202 of the fixed guide body 200. After being temporarily stopped, the outlet pressure contact roller 41 and the movable guide body 201 are simultaneously moved downward to open the discharge port 6 of the housing 1 and are sandwiched between the outlet drive roller 40. While the recording sheet 9 is folded double, and is configured to be freely discharged from the discharge port 6 is glued sealing.

According to a tenth aspect of the present invention, there is provided an automatic double folding apparatus for recording paper, wherein the casing 1 is installed such that the suction port 3 of the casing 1 is adjacent to the discharge port of the facsimile apparatus.

Automatic double folding gluing machine of the recording sheets of the present invention, as claimed in claim 1, parallel inlet pressure rollers to the suction port of the housing front and the entrance drive roller, inner suction port in two upper and lower stages arranged The outlet pressure contact roller and the outlet drive roller, which are pivotally supported by the casing of the casing and parallel to the outlet on the rear face of the casing, are pivotally supported by the casing inside the outlet in a two-stage arrangement and driven by a motor. The lower inlet driving roller and outlet driving roller are rotatable in the same direction as the recording paper traveling direction via the belt, and the gluer, guide body and sensing unit are installed in the housing, so the suction port The recording paper sucked from (plain paper such as A4) is advanced by being glued at both ends by the pasting device, guided to the guide body, and transferred in the reverse direction within the housing, and is sent to the sensing unit. The rotation of the drive roller when the tip of the After temporarily stopping, the outlet pressure roller is moved downward and the recording paper is sandwiched between the outlet driving roller and then the driving roller is driven again, and the recording paper is folded twice and glued. It is convenient because it is sealed and discharged from the discharge port, and reaches the recipient of the letter as a record paper that is secured confidentiality.

Further, since the length of the side surface from the suction port to the discharge port of the housing is slightly longer than half the length in the vertical direction of the A4 size standard recording paper ( Claim 2 ), the A4 size The standard recording paper is easy to flip inside the case, and the overall compact size is realized.

Further, as in claim 3 , there is an auxiliary drive roller that is pivotally supported between the second drive roller and the outlet drive roller, and an auxiliary intermediate roller that is pivotally supported at a position immediately above the auxiliary drive roller and a position immediately above the auxiliary intermediate roller. The recording paper is reliably transferred in the traveling direction S or the reverse direction T between the auxiliary pressure-contact roller supported on the shaft.

The outlet pressure contact roller is provided with gears at both ends, can be driven by the second motor, is pivotally supported by slide grooves on the left and right inner surfaces of the housing, and a rack is formed on the inner surface of the rear surface of the housing. ( Claim 4 ), by driving the second drive motor, the gear of the outlet pressure contact roller meshes with the rack, and the outlet pressure contact roller moves up and down, and the recording paper is firmly sandwiched between the outlet drive roller. The discharge of the sealed recording paper is achieved.

In addition, since the window portion on which the glue can be exchanged is provided on the left and right side surfaces of the casing ( Claim 5 ), the glue device including the tape-like glue or the like passes through the window portion. It is convenient to replace.

In addition, the guide body protrudes inwardly on the left and right inner surfaces of the casing so that it can be guided by receiving the lower surfaces of the left and right ends of the recording paper transported in the casing, and slightly in the vicinity of the exit driving roller. Since it is curved upward ( Claim 6 ), the recording paper is stably transported in the advancing direction within the housing, and there is no problem when it is reversed and transported in the reverse direction.

Further, a pair of right and left guide body is connected to the horizontal arm portion with the rack, the outward movement of rotation and the horizontal arm of the central gear, the guide body to the outwardly retracted freely retraction mechanism of the recording paper (claim 7 Or a guide mechanism is provided at the outer end of the L-shaped arm portion, the inner end is freely movable to the center pin, and the guide body is retracted to the outside of the recording paper by the movement of the center pin ( claim). By adopting 8 ), the recording paper is smoothly transported without the guide body getting in the way.

Alternatively, the pair of left and right guide bodies is divided into two parts, the upper part is fixed to the housing with a fixed guide body, and the lower movable guide body is according to a mechanism installed on a connecting bracket that connects the left and right ends of the outlet pressure contact roller. ( Claim 9 ) Since the movable guide body descends at the same time when the exit pressure roller descends, the discharge port of the housing is opened without increasing the power source, and the recording paper that is folded and glued and sealed is doubled. It is rational that it can be discharged reliably from the outlet.

The casing is excellent in convenience that it can be easily used as an external machine of an existing facsimile apparatus by installing the casing in such a manner that the suction port is adjacent to the discharge port of the facsimile apparatus ( claim 10 ).

It is the perspective view which showed the main internal structures of the automatic double folding machine of the recording paper of this invention. It is explanatory drawing of the automatic double folding machine of a recording paper. It is the perspective view which showed the gluing point. It is the perspective view which showed the mechanism of the exit press roller. A, B, and C are explanatory diagrams showing different pause positions of the recording paper. FIG. 4A is an explanatory diagram showing a procedure for turning back the recording paper. FIG. FIG. 4A is an explanatory diagram showing a procedure for temporarily moving the recording paper, and FIG. A is an explanatory view showing a double folding start of the recording paper, and B is a discharging procedure of the recording paper. FIG. 6 is an explanatory diagram showing a final stage of recording paper discharge. A and B are explanatory views showing an operation procedure of the guide body retracting mechanism. A and B are explanatory views showing the operating procedure of the retracting mechanism with different guide bodies. It is the perspective view which showed the structure of an exit pressure roller and a movable guide body. A and B are explanatory views showing an operation procedure of the movable guide body.

  A preferred embodiment of the automatic double folding apparatus for recording paper of the present invention will be described below with reference to the drawings.

  The basic structure of the automatic double folding machine of this embodiment is shown in FIG. Rollers such as driving rollers 10, 20..., And a glue N are installed in the housing 1 having the suction port 3 on the front surface 2 and the discharge port 6 on the rear surface 4, and sucked from the suction port 3. A regular recording sheet 9 of plain paper is discharged from the discharge port 6 in a double-fold sealed state (see FIGS. 6 and 9).

  The housing 1 is formed in a compact box shape having a width of 220 mm, a depth of 154 mm, and a height of 30 mm. That is, this depth is the length of the side surfaces 7 and 8 from the suction port 3 to the discharge port 6 of the housing 1, and the vertical length of the A4 size standard recording paper 9 = half of 297 mm (148.5 mm). ) Slightly longer. The width of the casing 1 is slightly longer than the lateral length 210 mm of the A4 size standard recording paper 9.

  A suction port 3 (width × height = 217 mm × 100 mm) is formed in the front surface 2 of the casing 1 so as to suck the A4 size standard recording paper 9. A discharge port 6 (width × height = 217 mm × 100 mm) is formed in the rear surface 4 so that the standard recording sheet 9 can be discharged.

  Below the inner side of the suction port 3, both ends of a cylindrical inlet drive roller 10 with φ = 10 mm and total length = 215 mm are pivotally supported on the left and right inner side surfaces 70, 80 of the housing 1 (details are shown) (Omitted). At the position directly above the inlet drive roller 10, both ends of a cylindrical inlet pressure roller 11 (φ = 10 mm and total length = 215 mm) sliding with the recording paper 9 interposed therebetween are the left and right inner surfaces 70, 80 of the housing 1. Is pivotally supported. A sensing unit 60 that senses the leading end 90 of the recording paper 9 transported in the reverse direction T and can be stopped temporarily is installed on the inlet pressure contact roller 11.

  As shown in FIG. 2, the sensing unit 60 is slightly longer than the width of the front surface 2 of the housing 1 and is formed in a rod shape having levers 61 and 61 at both left and right ends. The left and right side surfaces 7 and 8 of the housing 1 at the top of the inlet pressure roller 10 are formed in oval through holes 73 and 83 that are open in the horizontal direction, and the levers 61 at both ends of the rod-shaped sensing unit 60. 61 protrudes into the through holes 73 and 83, respectively. Therefore, by moving the lever 61, the bar-shaped sensing unit 60 moves back and forth, and the position for sensing the position of the leading end 90 of the recording paper 9 to be fed back can be changed.

  That is, as shown in FIG. 5A, when the lever 61 of the sensing unit 60 is set to the right end, the leading end 90 of the upper surface 93 that forms the upper half of the A4-size recording paper 9 that is transferred in the reverse direction T, which will be described later, The recording paper 9 is finally folded in a double manner and ejected in a state where it slightly protrudes from the end 95 of the lower surface 94 constituting the lower half of the recording paper 9 by the length k. Therefore, the recipient name and sender name printed in the k range can be displayed, and the sealed recording paper 9 (letter) can be reliably delivered to the recipient.

  As shown in FIG. 5B, when the lever 61 of the sensing unit 60 is set in the center, the leading end 90 of the upper surface 93 that forms the upper half of the A4 size recording paper 9 to be fed backward is the lower half of the recording paper 9 It becomes the same as the end 95 of the lower surface 94 forming a part, and the recording paper 9 is folded in a double manner and ejected in a completely sealed state.

  Further, as shown in FIG. 5C, when the lever 61 of the sensing unit 60 is set to the left end, the leading end 90 of the upper surface 93 that forms the upper half of the A4 size recording paper 9 fed back is In the state where it is slightly pulled by the length k from the end 95 of the lower surface 94 forming the lower half, it is finally folded twice and discharged. As shown in FIG. 5A, the receiver name and sender name printed in this k range can be displayed.

  A cylindrical second driving roller 20 (φ = 10 mm and total length = 215 mm) is pivotally supported on the left and right inner side surfaces 70 and 80 of the housing 1 at the same level as the entrance driving roller 10 described above.

  Left and right tape glues n, n that can be pasted on the upper surfaces 91a, 92a of the left and right ends 91, 92 of the transferred recording paper 9 at positions P directly above the left and right ends 20a, 20b of the second drive roller 20, respectively. The provided gluer N is installed (FIG. 3). In the case of this embodiment, the glue device N is preferably a tape-like glue, but is not limited to this and may be a liquid glue or the like. A cylindrical second pressure-contact roller 21 (φ = 10 mm and total length = 215 mm) that transports the recording paper 9 is placed on the left and right inner side surfaces 7 and 8 of the housing 1 at a position directly above the gluer N. It is supported.

  Window portions 72 and 82 are provided at the positions of the left and right side surfaces 7 and 8 of the housing 1 corresponding to the position of the paster N. Therefore, the paster N provided with a tape-like paste or the like can be exchanged through the window portions 72 and 82.

  Between the second driving roller described above and a 20-exit driving roller 40 described later, both ends of a cylindrical auxiliary driving roller 30 (φ = 10 mm and total length = 215 mm) are on the left and right inner side surfaces 70 and 80 of the housing 1. Is pivotally supported. A motor M for driving the auxiliary drive roller 30 is installed in the housing 1 near the end of the auxiliary drive roller 30 (FIG. 2).

  At a position directly above the auxiliary drive roller 30, there is a cylindrical auxiliary intermediate roller 32 (φ = 10 mm and total length = 215 mm) pivotally supported on the left and right inner surfaces 70, 80 of the housing 1, and the auxiliary intermediate roller Similarly, the recording paper 9 can be transported between a cylindrical auxiliary pressure contact roller 31 (φ = 10 mm and total length = 215 mm) supported on the left and right inner side surfaces 70 and 80 of the housing 1 at a position directly above 32. It is said that.

  At the same level of the auxiliary drive roller 30, both ends of the cylindrical exit drive roller 40 (φ = 10 mm and total length = 215 mm) are located on the left and right sides of the case 1 at the lower position inside the discharge port 6 of the case 1. The inner side surfaces 70 and 80 are pivotally supported. The belt B is wound between the outlet driving roller 40 and the inlet driving roller 10, so that the second driving roller 20 and the auxiliary driving roller 30 in the middle can transmit power by the belt B. . In the present embodiment, the driving rollers 10, 20, 30, and 40 are driven all at once in the same direction by the operation of the motor M that drives the auxiliary driving roller 30 as described above (FIG. 1 and the like). reference).

  Both ends (41a, 41b) of the outlet pressure contact roller 41 that can move vertically in the position directly above the outlet drive roller 40 to allow the recording paper 9 to be sandwiched are similarly connected to the left and right inner side surfaces 70, 80 of the housing 1. It is pivotally supported. A plurality of gears 42 are formed in the rotation direction at both ends 41 a and 41 b of the outlet pressure contact roller 41. The outlet pressure roller 41 can be independently driven by the second motor M2 that is independently installed in the housing 1 via the elastic belt B (FIG. 4).

  Slide grooves 71 and 81 are formed in the vertical direction of the left and right inner side surfaces 70 and 80 of the housing 1 at a position directly above the outlet drive roller 40, and the left end 41a and the right end 41b of the outlet pressure contact roller 41 are formed in the slide grooves 71 and 81, respectively. It is pivotally supported. At the same time, a rack 50 is formed in the vertical direction on either the left or right inner surface 5 of the rear surface 4 of the housing 1. Therefore, the gear 42 of the outlet pressure contact roller 41 is engaged with the rack 50 by the drive M2 of the second drive motor, and the outlet pressure contact roller 41 is moved in the vertical direction, so that the recording paper 9 is sandwiched between the outlet drive roller 40 and the outlet drive roller 40. It is configured freely (see FIG. 13).

  Guide bodies G and G for guiding the leading end 90 of the recording paper 9 slightly upward are provided on the left and right inner side surfaces 70 and 80 near the discharge port 6 of the housing 1. The guide bodies G, G are inwardly directed to the left and right inner side surfaces 70, 80 of the housing 1 so as to be guided by receiving the lower surfaces 94 of the left and right ends 91, 92 of the recording paper 9 transported in the housing 1. It is provided with a convex shape and is curved slightly upward in the vicinity of the outlet drive roller 40 (FIGS. 6 and 4).

  Next, a mechanism for retracting the guide body G during the transfer of the recording paper 9 will be described.

  FIG. 10 shows a retracting mechanism using a gear and a rack. The pair of left and right guide bodies G and G are connected to a horizontal arm portion 100 with a rack 101 that extends inward by 140 mm. Each rack 101 is formed at 100 on each horizontal arm so as to face each other. A central gear 102 is attached to the upper surface (not shown) of the housing 1 at a central position between the guide bodies G and G, and the pair of left and right horizontal arm portions 100 and 100 are screwed to the central gear 102. .

  Therefore, when the recording paper 9 is folded and transferred, if the central gear 102 is rotated by the operation of a motor (not shown), the pair of left and right guide bodies G and G are retracted to the outside of the recording paper 9. Alternatively, by moving either one of the horizontal arm portions 100 outward, the pair of left and right guide bodies G and G are retreated to the outside of the recording paper 9, and the guide is moved when the recording paper 9 is transferred. Body G, G does not get in the way.

  FIG. 11 shows different retraction mechanism examples.

  A pair of left and right guide bodies G, G are provided integrally on the outer end 104 of the L-shaped arm portion 103 that extends inward. The bending point 108 of the L-shaped arm portion 103 is connected to the left and right inner side surfaces 7 and 8 of the housing 1 by pins 109. In addition, an oval through hole 106 is formed at the inner end 105 of the L-shaped arm portion 103.

  On the other hand, a base 107a integrated with the center pin 107 is attached to the upper surface (not shown) of the housing 1 at the center position between the guide bodies G and G so as to be movable in the front-rear direction. Thus, since the inner end 105 (through hole 106) of each L-shaped arm portion 103 is movably connected to the common center pin 107, the center pin 107 (base 107a) is moved when the recording paper 9 is transferred. The pair of left and right guide bodies G and G can be retracted to the outside of the recording paper 9 with the pin 109 as a fulcrum.

  12 and 13 show different embodiments of the guide body G. FIG.

  Each guide body G, G is divided into two vertically, and an independent power source accompanying the retraction of the guide body is an unnecessary type.

  That is, the pair of left and right guide bodies G and G are each composed of an upper and lower fixed guide body 200 and a lower movable guide body 201, and the fixed guide body 200 has a curved portion 202 obliquely downward facing inward. It is provided and fixed to the rear inner surface 5 of the housing 1. The movable guide body 201 is provided with a horizontally-long connecting metal fitting 205 that includes a curved portion 203 that is obliquely upward on the inner side and connects the left and right ends 41a and 41b of the outlet pressure contact roller 41, and is movable in the vertical direction. . Reference numeral 206 in the figure is a support member that maintains the vertical movement of the connecting fitting 205 and is installed on the rear inner surface 5 of the housing 1.

  The exit pressure roller 41 and the exit drive roller 40 are each divided at both ends. The outlet pressure roller 41 is composed of a central roller 41c and left and right rollers 41d and 41e divided at both ends thereof, and the outlet driving roller 40 is composed of a central roller 40c and left and right rollers 40d and 40e divided at both ends thereof. Become. Thus, the upper and lower fixed guide bodies 200 and the movable guide bodies 201 are respectively installed in the gaps between the central roller 41c (40c) and the left and right rollers 41d and 41e (40d and 40e).

  Therefore, when the outlet pressure contact roller 41 shown in FIG. 13A is positioned above, the recording paper 9 is transferred in the reverse direction T by being guided by the bending portion 203 of the movable guide body 201 and the bending portion 202 of the fixed guide body 200. The After the recording paper 9 is temporarily stopped (see FIG. 5), as shown in FIG. 13B, the movable guide body 201 is simultaneously moved downward together with the outlet pressure roller 41, and the recording paper 9 is discharged. The opening state of the discharge port 6 of the body 1 is ensured. Therefore, the recording paper 9 sandwiched between the outlet driving roller 40 is glued and sealed in a double folded state, and there is no problem when discharging from the discharge port 6.

  Below, the usage method of the automatic double folding apparatus of the said recording paper is demonstrated.

  The recording paper 9 sucked in the advancing direction S from the suction port 3 of the housing 1 is glued by the paster N at both ends 91 and 92 and proceeds forward (FIGS. 6A and 3). The recording paper 9 is guided by the guide body G and transferred in the reverse direction T within the rear surface 4 of the housing 1 (FIGS. 6B, 7A, and 4).

  When the leading end 90 of the recording paper 9 comes into contact with the sensing unit 60, the rotation of the drive rollers 10, 20, and 40 is temporarily stopped (FIGS. 7B and 5). At the same time, when the exit pressure roller 41 is moved downward and the recording paper 9 is sandwiched between the exit drive roller 40 (FIG. 8A), the drive rollers 10, 20, 30, 40 are re-driven, The recording paper 9 is folded and double-folded, glued and sealed, and discharged from the discharge port 6 (FIGS. 8B and 9).

  The above-described automatic double folding machine is suitably implemented in a form in which the suction port 3 of the housing 1 is installed adjacent to the discharge port of a facsimile machine (not shown). Of course, an embodiment in which the automatic double folding machine is used alone is also adopted.

  The embodiments of the present invention have been described with reference to the drawings. However, the present invention is not limited to the illustrated examples, and variations of design changes and application that a person skilled in the art normally performs without departing from the technical idea thereof. Note that it includes the range.

DESCRIPTION OF SYMBOLS 1 Case 10 Entrance drive roller 11 Entrance pressure roller 20 Second drive roller 21 Second pressure roller 30 Auxiliary drive roller 31 Auxiliary pressure roller 32 Auxiliary intermediate roller 40 Exit drive roller 41 Exit pressure roller 42 Gear 2 Front surface 3 Suction port 4 Rear surface 5 Rear Inner Side 50 Rack 60 Sensing Unit 61 Lever 6 Discharge Port 7 Left Side 71 Slide Groove 72 Window 73 Through Hole 8 Right Side 81 Slide Groove 82 Window 83 Through Hole 9 Recording Paper 90 Top 91 Left End 92 Right End 93 Top 94 Lower surface 100 Horizontal arm portion 200 Fixed guide body 201 Movable guide body 205 Connecting bracket S Traveling direction T Reverse direction G Guide body N Grinder B Belt M Motor

Claims (10)

A suction port is opened on the front of the housing, and a discharge port is opened on the rear. Each drive roller driven by a motor installed inside the housing is rotated in the same direction as the recording paper by the belt, An automatic double-folding machine in which recording paper is sucked from the mouth and can be discharged in a double-fold sealed state,
a) An inlet driving roller is pivotally supported on the left and right inner side surfaces of the casing below the inside of the suction port, and an inlet pressure contact roller that slides across the recording paper is positioned directly above the inlet driving roller. A sensing unit that is pivotally supported on the left and right inner surfaces of the body and senses the leading edge of the recording paper that is transported in the opposite direction and is capable of being temporarily stopped is installed on the upper portion of the inlet pressure contact roller;
b) A second drive roller is pivotally supported on the left and right inner surfaces of the housing at the front side of the entrance drive roller, and the recording paper that has been transferred to the positions directly above the left and right ends of the second drive roller A gluing device capable of gluing the upper surfaces of the left and right ends; and a second pressure roller for transferring the recording paper is pivotally supported on the left and right inner surfaces of the housing at a position above the gluing device;
c) An exit driving roller is pivotally supported on the left and right inner surfaces of the casing below the inside of the discharge port, and the recording paper can be sandwiched by moving vertically in the position directly above the exit driving roller. The right outlet pressure roller is pivotally supported on the left and right inner surfaces of the housing,
d) A guide body for guiding the recording paper slightly upward is installed on the inner side surface of the casing near the discharge port.
e) The recording paper sucked from the suction port through the rollers arranged in parallel to the suction port and the discharge port of the housing is advanced by being glued at both ends by a glue device and guided to the guide body. When the leading edge of the recording paper comes into contact with the sensing unit in the reverse direction within the rear surface of the housing, the rotation of the driving roller is temporarily stopped and the outlet pressure contact roller is moved downwardly to reach the outlet driving roller. Then, after the recording paper is sandwiched in the middle, the driving roller is driven again, and the recording paper is folded and double-folded, glued and sealed, and discharged from the discharge port. Automatic double folding machine for paper. 2. The recording according to claim 1, wherein the length of the side surface from the suction port to the discharge port of the housing is formed to be slightly longer than half of the length in the vertical direction of the A4 size standard recording paper. Automatic double folding machine for paper. An auxiliary drive roller is pivotally supported on the left and right inner surfaces of the housing between the second drive roller and the outlet drive roller, and is pivotally supported on the left and right inner surfaces of the housing at a position directly above the auxiliary drive roller. The recording paper is configured to be transportable between the auxiliary intermediate roller and auxiliary pressing rollers axially supported on the left and right inner surfaces of the housing at a position directly above the auxiliary intermediate roller. A recording paper automatic double folding machine according to 1 or 2 . The outlet pressure contact roller is provided with gears at both ends thereof, can be driven by an independently installed second motor, and is pivotally supported by slide grooves formed in the vertical direction of the left and right inner surfaces of the housing. A rack is formed on the inner surface of the rear surface in the vertical direction, and the gear of the outlet pressure contact roller is engaged with the rack by the drive of the second drive motor, and the outlet pressure contact roller is moved in the vertical direction, and recording is performed with the outlet drive roller. The automatic double folding apparatus for recording paper according to any one of claims 1 to 3 , wherein the paper is freely sandwiched. A replaceable window portion of the glue device is provided on the left and right side surfaces of the housing, and the glue device having a paste made of tape or the like is replaceable through the window portion. The automatic double folding apparatus for recording paper according to any one of claims 1 to 4 . A pair of guide bodies project inwardly on the left and right inner side surfaces of the casing so that they can be guided by receiving the lower surfaces of the left and right ends of the recording paper transported in the casing, and slightly in the vicinity of the exit driving roller. The automatic double folding apparatus for recording paper according to any one of claims 1 to 5, wherein the recording paper is bent upward. The pair of left and right guide bodies are respectively connected to a horizontal arm portion with a rack extending inward, and the pair of left and right horizontal arm portions are screwed to a central gear installed at the center, and when transferring recording paper, the outward movement of rotation or the horizontal arm of the central gear, wherein the pair of right and left guide body is configured to be freely retracted to the outside of the recording sheet, one of the claims 1-6 1 Automatic double folding machine for recording paper as described in the section. The pair of left and right guide bodies are provided at the outer ends of L-shaped arm portions extending inwardly, and the inner ends of the L-shaped arm portions are movably connected to a common central pin, The bending point of the arm is pin-connected to the left and right inner surfaces of the housing, and when the recording paper is transferred, the pair of left and right guide bodies can be retracted to the outside of the recording paper by moving the central pin forward The automatic double folding apparatus for recording paper according to any one of claims 1 to 6 , characterized in that it is configured as follows. Each of the pair of left and right guide bodies is composed of an upper fixed guide body and a lower movable guide body divided into upper and lower parts, and the fixed guide body is provided on the inner surface of the rear surface of the casing with a curved portion inside, The movable guide body has a curved portion on the inside and is installed on a connecting bracket that connects the left and right ends of the outlet pressure contact roller. When the outlet pressure contact roller is positioned above, the movable guide body curved portion and the fixed guide body curved portion The recording paper was transported in the reverse direction, and after the temporary stop, the outlet pressure contact roller and the movable guide body were simultaneously moved downward to open the housing outlet, and were sandwiched between the outlet driving rollers. while being folded recording paper double, characterized in that it is configured to be freely discharged from the glue seal has been outlet, automatic duplex printing paper as claimed in any one of claims 1 to 6 Folding machine. The automatic double-folding of recording paper according to any one of claims 1 to 9 , wherein the housing is installed in such a manner that the suction port of the housing is adjacent to the discharge port of the facsimile machine. Gluing machine.

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