JPS606862B2 - Sheet stacking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sheet stacking device that stores and sequentially stacks conveyed sheets.

For example, when sheets of copied paper or the like sent from a copying machine are stacked in page order and bound, a sheet stacking device is used that stores the transported sheets and stacks them one after another. However, the conventional sheet stacking device has the disadvantage that the front end of a subsequent sheet tends to get stuck between the sheets already stacked in the storage section at the sheet import entrance of the sheet storage section. The sheets are not carried in smoothly, and the sheets are not conveyed smoothly in the sheet storage section, and the front and rear edges of the stacked sheets become uneven, and if they are bound using a binding device, they will end up in an extremely unsightly way. The drawback was that it couldn't be done.

The purpose of the present invention is to "prevent the front end of a subsequent sheet from slipping between sheets already stacked in a sheet storage section, so that sheets can be carried smoothly into the sheet storage section. In addition, it is an object of the present invention to provide a sheet stacking device that smoothly transports sheets in a sheet storage area and always transports the sheets to a predetermined position, thereby ensuring that the front and rear ends of each stacked sheet are uniformly aligned. be.

A feature of the present invention is that a guide plate is installed diagonally so that the sheet inlet of the sheet storage section opens toward the sheet inlet section such as a conveyor roller, and the guide plate is provided with a guide plate that allows the sheet to be carried into the sheet storage section. A downward protrusion is provided to suppress the rise of the rear end, and a feed roller is provided at the sheet inlet, which operates only when the sheet is being carried in and presses the sheet being carried in against the feed roller. The reason is that a pressing spring device is provided.

The present invention will be described below with reference to an illustrated embodiment that includes a sheet folding device and a binding device.

In FIG. 1, reference numeral 1 indicates a copying machine, and a sheet carrying-in end of a sheet conveying device 3 incorporating a folding machine and a binding machine is connected to a sheet carrying-out end 2 of the copying machine. In the sheet conveying device 3, as shown in FIG. The sheet 4 is folded along the center line of the sheet 4 while being conveyed to position B below position A, and then conveyed in the opposite direction to the direction of conveyance to position B, and while roughly pressing the folded portion of the sheet 4, the sheet 4 is folded. Reverse the sheet and feed the sheet to C below position B. At position C, temporarily stock a predetermined number of sheets sent in the above manner, then staple these sheets using the stapler, and move the stapled sheets to position C. Then, while changing the orientation of the bound sheets by 90 degrees in the plane while feeding them in a direction perpendicular from the D position and in a direction opposite to the carrying direction to the A position, the conveying direction is further changed in the perpendicular direction. The sheet is then sent to the tray 5 (see diagram) attached to position E on the front of the conveying device 3.The mechanism of each part that makes such movement of the sheet is explained below. .

3 and 4 show the appearance of the upper layer of the sheet conveying device 3 with the upper cover (see FIG. 1) removed, and FIG. 5 shows the upper layer with the board and guide plate removed. FIG. 6 is a vertical cross-sectional view of a portion including the upper layer. 3 to 6, a protective cover 8 for the transmission mechanism is fixed to the rear edge of the base plate 7 (from the left end in the uphill direction in FIG. 3), and a sheet is guided in parallel to the cover. A plate 9 is erected, and the guide plate has an angled guide plate 9 that is bent diagonally so that the horizontal piece 10a at the sheet input end opens toward the sheet output end of the copying machine. A plate 10 is fixed with an appropriate gap between the horizontal piece and the substrate 7. Also, the right edge of the substrate 7 has a substantially L-shaped planar shape and a sheet. A guide plate 11 that is bent diagonally so that the edge 11a and the heel 1b facing toward the sheet loading end open toward the sheet loading end.
are fixed with an appropriate gap between them and the substrate 7. Below the substrate 7, as shown in FIG.
2a and 12b are coaxially provided so as to rotate in a vertical plane parallel to the sheet carrying direction,
Two conveyor loafs 13a and 13b are also provided on the right side so as to rotate coaxially and in a plane parallel to the loaves 12a and 2b. However, the roller 13a? The mutual spacing between the sheets 13b is set wide so that the largest sheet to be carried in can be smoothly conveyed. Furthermore, two end face alignment rollers 14a and 14b are also installed at the right end of the substrate 7, as shown in FIG. A feeding roller 15 to the sheet folding section is provided coaxially and integrally so as to rotate in a plane parallel to the rollers 13b and 13M, and at a position near the right end of the front end of the substrate 7, a roller 15 for feeding into the sheet folding section is installed in a direction perpendicular to the rollers 13b and 13M. It is provided so that it can rotate within a plane. As shown in FIG.
The uppermost surface of each roller is set to be the same as the upper surface of the substrate 7 or slightly lower than the upper surface of the substrate 7, as shown in FIG. It is also assumed that the corners of each roller are chamfered as shown in FIG. Each roller 12a, deaf 2b, 14a, 14
On b, 15, an electromagnetic ball conveying device 16a is installed via an appropriate arm extending from an appropriate immovable part such as the protective cover 8.
, 16b, 17a, 17b, and 18 are provided. These dew ball conveying devices, as represented by turtle 8 in FIG. When 19 is not excited, steel ball 20 falls due to its own weight.
The sheet between the roller and the steel ball 20 is pressed against the roller to apply a sheet conveying force, and when the electromagnet 19 is excited, the electromagnet 19 attracts the steel ball 20 and releases the sheet conveying force. It has become. In addition, "Roller Turtle 3a,
Steel balls 21, 2 dropped into vertical holes of blocks 148, 149 fixed on guide plates 10, 11 are placed on 13b.
2 (see Fig. 5) is constantly under pressure. Furthermore, light emitting parts 23a and 24a of sheet sensors 23 and 24 are provided on the right side of the roller 12a and between the rollers 14b and 15, respectively, for detecting the conveyed sheets. Light receiving sections 23b and 24b of the sheet sensor are provided at positions facing the section. Immediately after the sheet sensor 23 detects the sheet, the electromagnetic ball conveying devices 16a and 16b are deenergized and the sheet is conveyed.
The sheet sensor 24 activates the electromagnetic ball conveying devices 17a and 17b after a predetermined time has elapsed after detecting the sheet, and de-energizes the electromagnetic ball conveying device 18. Also, after the sheet sensor 23 operates to detect the sheet, If the sensor 24 does not operate after a predetermined period of time has elapsed, or if the sensor 24 continues to detect and operate, it is assumed that paper warping has occurred, and the existing electromagnetic ball conveying device is energized to increase the sheet conveying force. It is designed to be canceled. On the upper surface of the right end of the substrate 7, sheet end surface alignment claws 25, 25 are provided upright. At the front of the right half of the substrate 7, there are rows of rollers 26, 27, 28 that press against each other downward and parallel to the front edge of the substrate 7 with a slight gap from the front edge of the substrate 7.
, 29, 30 are rotatably provided.

As shown in FIG.
, 32, and gears 34, 35, 36,
37 and 38 are fixed, the mutually adjacent gears mesh with each other, and a suitable drive gear meshes with one of the gears to move the adjacent rollers as indicated by the arrows in FIG. They are designed to rotate in opposite directions. At the upper and lower ends of the side plate 31, bearing blocks 39, 39 are provided to protrude outward, and these bearing blocks are connected to bearing blocks 41, 41, which are provided to protrude from the side wall 40' of the conveying device. They are connected by vertical axes 42,42. Therefore, the frame body 33 supporting the roller rows can rotate in a horizontal plane around the connecting shafts 42, 42, but the load of the frame body 33 is transferred to the shafts 42, 42.
2, it is difficult to support them all by 2, so wheels 44, 44 are provided on a block 43 forming the lower side of the frame 33 via bearing blocks 45, 45 so as to be rotatable in a vertical plane.
By placing the wheels on the stepped horizontal surface 46 of the main body of the conveying device, the load of the frame 33 is supported by the wheels 44, 44. The reason why the roller row is supported by the rotatable frame 33 in this way is to facilitate maintenance and inspection of the sheet conveyance section described above and the sheet folding section and binding section described later. is frame body 33
is closed parallel to the front end of the substrate 7 and locked by a suitable locking device. In this state, when the frame body 33 is closed, the joining line between the rollers 26 and 27 faces the gap between the substrate 7 and the guide plate 11. Therefore, as shown in FIG. , the sheet conveyed leftward between the substrate 7 and the guide plate 11 is conveyed between the rollers 26 and 26.
, 27, and as these rollers rotate, the sheet is further fed out to the left. A guide member 47 formed along the cylindrical surface of the roller 27 is provided on the left side of the roller 27 in FIG. 6 with an appropriate gap between it and the roller 27.
The sheet conveyed between rollers 6 and 27 is held between rollers 27 and 28 while being reversed along a guide member 47. Below the board 7, as shown in FIGS. 6 and 7, there are two guide plates 48,
49 are fixed with an appropriate gap above and below, and the front end (left end in FIG. 6) 48a of the guide plate 48 is bent toward the joining line of the rollers 27 and 28.
A front end portion 49a of the guide plate 49 is bent toward the joining line of the lofts 28 and 29.

A stopper 50 is fixed to the rear end of the guide plate 48, and a bent portion 50a of the stopper 50 vertically passes through the guide plates 48, 49. It is assumed that the dimension from the joining point of the rollers 28, 29 to the bent portion 50a of the stopper 50 is set to be 1'2 of the long side dimension of the sheet. Therefore, when the sheet is conveyed between the rollers 27 and 28, the sheet is transported to the bent end portions 48a of the guide plates 48 and 49,
The sheet is guided by the sheet 49a and fed between the guide plates 48 and 49, but after approximately 1'2 of the sheet has been fed, the end of the sheet comes into contact with the stopper 501 and the sheet is prevented from moving. However, since the row hooves 27 and 28 still forcibly feed out the remaining half of the sheet, the sheet is manipulated in an arc shape in the space formed by the rollers 27, 28, and 29, and this curving portion is formed by the roller 28. . As described above, the roller 2 slider 28929 forms a sheet folding roller, and the principle of such sheet folding is the same as that of the subordinate sheet folding machine.
In FIG. 6, on the left side of the roller 29 there is provided a guide section 51 formed along the cylindrical surface of the roller 29 with an appropriate gap between it and the roller 29. Rat Roller dance 9,88 while reversing the sheet conveyed between two cranes along guide member weight 1
It is designed to be placed in between.

The rollers 89 and 30 constitute press rollers, and the sheet is pressed down even more strongly between the rollers 29 and 3Q while the folded part of the sheet is conveyed with the folded part first. As shown in FIGS. 6 to 8, a suitable gap is provided below the guide plate 52 and above the board 52. A guide plate flea 3 is provided, and the front end 53a of the guide plate 53 is bent diagonally so as to face approximately the center of rotation of the roller 29. It extends obliquely toward the line.Flea 3 at the front end of guide plate S3
a and the guide plate 54 are respectively the light emitting part 5 of the seat sensor.
The light receiving section 58b and the light receiving section 58b are provided so as to face each other. Again, a downward protrusion 53 is formed horizontally in the middle of the bent front end 53a of the guide plate 53.
Further, a guide plate 56 is fixed to the rear of the guide plate 53 with an appropriate gap between it and the board S2, as shown in FIG. S and FIG.

The front end green portion 56a of the guide plate wealth 6 is bent so as to face forward and rise obliquely, and an appropriate number of slot holes 56b are bored in the front and back direction. In FIG. 8, the front corner of the board 5 on the left side is cut out at right angles to form an L-shape in plan view, and the tray 5 is provided in the cutout. Board 5
A guide plate 51 is fixed on the substrate 2 with an appropriate gap between the guide plate 51 and the substrate 52. The green rear half 6 on the right side of the guide board 57
The mist a is bent diagonally upward, and from the center of the front end of the guide plate 57, the sheet presser piece 58 is directed toward the tray 5.
is installed protrudingly. On the guide plate 63, there is a message “Bending part 3”.
Two rollers 59, 59 are coaxially supported above the proximal end part of a, and are supported so as to be able to rotate in a vertical plane in the front-rear direction, and a part of the rollers 59 and 9 are connected to the guide plate 53. It protrudes downward from a hole drilled in the.

In addition, there are two rollers 6 behind the roller 69 and the wealth g.
The rollers 889 and 68 are coaxially integrated and rotatably supported in a plane parallel to the rotating surfaces of the separate rollers S9 and H9, and a part of the rollers 889 and 6Q protrudes downward from a hole bored in the guide plate 3. There is. Furthermore, at the rear end of the guide plate 53, "two rollers 81 and 6 are rotatable independently via supports 62 and 62, and in a plane parallel to the rotation plane of the rollers 60 and 6. The lower halves of the rollers 6 and 6 protrude downward from holes drilled in the guide plate 53.An electromagnet is also mounted on the lower surface of the front end of the board 52, as shown in FIG. 63 is fixed at two places, and a board curvature 6 bent at right angles to follow the shape of the front end of the board 52 is fixed to the upper end of the electromagnetic plunger 64 that penetrates the board 52.

The electromagnet 63 is excited when the sheet sensor consisting of the light-emitting chamber 5a and the light-receiving section 55b detects the sheet, and causes the plunger 64 to protrude upward so that the rear end of the leaf spring 66 is pressed against the roller 89. The roller 681 is in pressure contact with the free end of the leaf spring S extending diagonally rearward and upward from below the substrate S2.
Further, two levers 6g are provided below the board 2 and are swingable around a T-support shaft 67. A roller 69 is rotatably supported at the free end of each lever, and the lever 68 is In Fig. 1, by rotating the clock hand in the opposite direction, the roller 69 comes into pressure contact with the roller 68'. Roller 7Q is
There is constant pressure in the gap between the base plate 6 and the guide plate 53. The plate pieces 65, 65 at the front end of the board 52
In between, stapler needle injection mechanisms as shown in Figures 0 to 2 are provided at two locations.

That is, a channel-shaped needle guard is held on the lower surface of the base plate 52 via appropriate means so as to be able to slide upward and in the front-rear direction, and a guide is provided at the front end of the needle guard 7. Block 12 is fixed and Abemura is in front of the same block?
3 are fixed on top of each other. Block 72 and Atabe Village 73 have a vertical hole 72a and 3a of the same shape and size cut through them in the front and back direction, and on the front side of block 72, there is a Gawara concave groove 7
2b is formed. A sliding plate 7 is provided in this groove 72b.
4 is dropped, and the ``needle guard'' channel is a concave groove? 2M series is suitable. In the channel of the needle guard T turtle, the needle presser 75, which is also formed in a channel shape, can be used continuously. needle holder 7 due to the appropriate spring elasticity etc.
The stitching needle row 76 housed in the hook is pressed against the rear surface of the abutment member 73. Is the sardine plate 74 a sardine axis? ? An arm that extends out from? The cylindrical tip 78a of No. 8 allows the blocks to be connected to each other. 3 most hole 2a? As the arm 78 rotates in the direction of the clock hand around the ball 77 in the 3rd army turtle diagram, the sieve plate 74 is placed upward in the groove 72b. The needles in the front row of the loose needle rows 76 in the needle receiver are ejected upward from the groove 2b.
Note that there are operation blocks on both sides of the support member 73. Both arms 79a, 79a of 9 are pivotally supported, and the operation block 79 is rotatable in a vertical plane.
12, the block 79 attempts to rotate in the clockwise direction in the same figure. However, "the side arm 79
The upper surface of the free end of a, 79a has hook portions 79C, 7gb.
are formed and the hooks 79b, 79b are not shown in the figure. The block 79 and its side arms 79 and 79a are held in a substantially horizontal position by engaging with the block 79. Also, a handle 81 hangs integrally from the lower surface of the block 9. In the state shown in FIG. 10, when you put your finger on the handle 81 and pull it toward you, the block 7 atsushi rotates against the elasticity of the spring 88, and the hook portion 79bS 79b comes off the hook (not shown). 71, 72
, 3 moves forward, and the irrigating plate 4 disengages from the tip 78a of the arm 78. At this point, when you release your finger from the handle 8, a state as shown in FIG. Above the needle injection mechanism of these staplers, the bases of the receiving arms 837 and 83 of the stapler are fixed integrally with the rotating shaft 82, as shown in Figure 6 and Figure 0. The end surfaces of the downwardly bent tips 83a, 83a of the arms 83, 3 are positioned directly above the sliding plate 4 when the arms 83, 83 are rotated downward to the limit position. It is supposed to be done.

The control mechanism of the arm 78 and the arm 83 described above is the first one.
It is as shown in Figures 3 to 5.

In Figures 3 to 5 of the Army, one end of the L-shaped follower lever flea 4 is fixed integrally with the shaft 77, and one end of the Trevor Mai 5 is fixed, and the other end of the lever lever 5 is fixed. Due to the elasticity of the samane mitsu 6 interposed between the end portion and the stationary portion, these integrated members 7g, 7, 84, 85 are given the habit of trying to move in the direction of the clock hands in Fig. 13. However, the rotation due to the above-mentioned behavior is restricted by the low foot 87 pivotally supported by the other end of the follower lever 84 supporting the large diameter cam green of the tide opening cam 88. Further, the arm 83 is fixed integrally with the lever 89 via the bag flea 2, and the elasticity of a spring 90 interposed between the arm end of the lever 89 and the stationary part causes these integral members 8
2, 83, and 89 have the rotational behavior of the clock hands in FIG. However, since the tip of the follower lever 9 is supported on one side of the other arm of the lever 89, the lever 89 is prevented from rotating due to the above-mentioned behavior. The lever lever 9 is rotatable in the direction of the clock hand in Fig. 3 by the elasticity of a spring 93 interposed between the tip of the lever and the stationary part. However, in the state shown in FIG. 3, the roller 94 pivotally supported by the follower lever 91 hits the large diameter cam green of the triangular cam 95, and this habit is blocked. Rotation is prevented. Cam 88 and Cam 95
are integrally formed, and these cams are connected to a driving pulley 97 via a one-turn clutch 96. The cam 88 has a stepped portion 88a in the radial direction connecting the maximum diameter portion and the minimum diameter portion, and the cam 88 in the normal state as shown in FIG.
The center angle between the contact point of 7 and the stepped portion 88a with respect to the rotational center point 0 of the cam 88 is the roller 94 relative to the cam 95.
The center angle 8 formed by the contact point of the cam 95 and the minimum flanges of the cam 95 with respect to the center point 0 is set to be equal. Therefore, when the cams 88, 5 rotate in the direction of the rising clock hand in FIG. ``This causes the free end of lever g1 to push against one side of lever 89, causing lever 89 to rotate counterclockwise against its habit, and finally, ``before roller g tortoise reaches the minimum ridge at 95.'' After the tip of the follower lever 9 engages with the hook ga at the lower end of the lever 9, the arm 63 is held in a substantially horizontal position as shown in Fig. 8? When 98 rotates by angle Q (=8), it is blocked by the elasticity of spring 88, and roller climbing 7 moves to cam 8.
From the stepped part 88a of the light towards the minimum temperature part, it suddenly falls down. ``The integral capitals 77, 78 and 84, 85 suddenly rotate in the direction of the clock hands ~ As a result, as shown in Figure 14, The sliding plate 74 rises toward the downwardly bent end of the arm 83, ejects one of the staples 76, and
A plurality of sheets stacked between the bent end 83a and the sliding plate 74 are stitched together using a stitching needle.
Cam noon 8? 95 is stopped after making one revolution by the one-turn clutch 96, and each member can return to its original state as shown in Fig. 5.Next, the control mechanism for the lever 68 is set as shown in Fig. 6. In FIG. 16, the lever 68 is provided integrally with the lever 9 light via its rotating shaft 67. The lever 98 has a tendency to rotate in the counterclockwise direction in the figure due to the elasticity of the spring turtle Q2. The roller 69 is separated from the roller 68 by rotating counterclockwise, but when the electromagnet Q turtle is excited and the plunger 100 is sucked downward, the levers 68, 9
8 rotates against the bending, and the roller 69 presses against the roller 6Q' as shown by the chain line.
Note that the free end of a regulating lever-base P3 that rises from below the base plate 52 is located below the rear of the roller 6Q. It is integrally connected to the lever wing Qya via the bag light 4. By applying a spring IQ6 between one arm of the lever wing Q5 and the stationary part, the lever turtle 859 and the lever turtle Q3 are connected in the direction of the rebound indicator. However, in the normal state as shown by the solid line, the lever 1 and 3 passing through the hole 52a of the board 52 press against the edge of the hole 5a, causing the lever to rotate. Q37 Army Crab Flea is prevented from rotating due to its habit as described above while maintaining its vertical position.In normal conditions, the end of one arm of Lever 9 Crab rests on the side of the upper end of Lever Heavy Crane 8. The lever electric fin 68 heavy Q3 is also prevented from rotating against its habit.The electromagnetic fin 68 shall be energized by an appropriate manual or automatic command.After the board wealth 2 As shown in FIGS. 6 and 9, at a position near the edge, one roller 61 and 6 Q8 are mounted under the base plate by means of separate rotation shafts. These roller turtles are rotatably supported in a plane perpendicular to the floor surface.
, 108 protrudes upward from the hole in the substrate 52.

These Loaf One Wing Q^ Troops are on the 8th, as shown in the Crab Figure and Figure 9 ~ the flock Turtle Crane fixed on the guide plate 56? The steel ball Tsune Sergeant dropped from the vertical hole of Kameki Q; Tomikame 2 is pressed against it by its own weight. Further, in the plurality of slot holes 56b of the guide plate 56, the bent tip portion 3a of the stopper 113 is formed, and the tip portion is formed into a comb-teeth shape, and the tip portion is bent downward at a right angle. The bending tip corner 3a is loosely competing with the slot 56b.
Similarly, it is assumed that the stopper 113 loosely passes through the slots bored in the substrate 52. Also, the stopper 113 is adjustable in its position in the front and back direction along these slots, and is designed to "accommodate the size of the sheet to be conveyed." Then, as shown in Figure 7, there is a connection point between the 6 rollers and the roller ? The dimension is set to be somewhat shorter than the dimension in the carrying direction of the sheet 4 to be conveyed, and the junction point between the roller 61 and the roller 7Q and the stopper 113
The dimension between the folded end portion 13a and the front end surface is set to be somewhat longer than the dimension in the conveying direction of the sheet 4. As shown in FIG. 9, two rollers 114 and 115 are provided at the rear of the cutout portion of the substrate 52 for installing the tray 5, and two rollers 114 and 115 are provided at the bottom of the substrate 52 by separate rotation shafts. It is rotatably supported within a rotation plane perpendicular to the rotation plane of the rollers IQ7, 108.

A portion of these roller blades 14, 1 5 protrudes upward from the holes in the base plate 52, similar to the above-mentioned rohus 107, 308. As shown in FIG. 9, steel balls 118 and 119 dropped from the vertical holes of blocks 116 and 117 fixed on the guide plate 57 are in pressure contact with each other due to their own weight. A line extending from the contact point of the ball 112 in the direction of the koji of the roller IQ8 and the roller 11
4 and a line extending perpendicularly to the axis of the roller 114 from the contact point of the steel ball turtle 18 is the distance between the rows 107 and 10
8 is set to be sufficiently narrower than the length of the sheet being conveyed in the conveying direction, and roller 1 is
The position of the roller 114 is set so that the sheets conveyed from 07 and 108 are placed on the roller 114. Note that the corners of the rollers 107, 108, 114, and 115 are chamfered. Next, the operation of the embodiment of the present invention configured as described above will be explained.

Now, when the sheet 4 is carried out from the sheet carrying end 2 of the copying machine 1 (see Fig. 1), the sheet 4 is placed between the base plate 7 and the guide plate 10 shown in Figs. 3 to 6. The ball is fed into the gap and between the carry-in rollers 12a, 12b and the electromagnetic ball conveying devices 16a, 16b.

In the electromagnetic ball conveying devices 16a and 16b, the steel balls in the devices are normally raised by energizing the electromagnets in the devices, but when the sheet reaches the sensor 23, the excitation of the electromagnets is cut off. The steel balls in the device fall due to their own weight and press the sheet 4 against the rollers 12a, 12b, and since the rollers 12a, 12b are driven to rotate in the clockwise direction in FIG. 12a,
12b and the steel balls of the electromagnetic ball conveying devices 16a and 16b, the sheet 4 is conveyed from left to upper right in FIG. Roller 13a,! 3b is also rotationally driven in the same direction, and since the steel balls 21 and 22 are always in pressure contact with the rollers 13a and 13b due to their own weight, the sheet 4 is further rotated by the cooperation of the rollers 13a and 13b and the steel balls 21 and 22. They are transported in the same direction.Furthermore, roller 1
4a and 14b are also rotationally driven in the same direction, and the steel balls of the electromagnetic ball conveying devices 17a and 17b are also rotated by the roller 14a.
, 14b due to its own weight, the sheet 4 is further conveyed in the same direction. However, at this time, the sheet sensor 24 detects the sheet, and after a sufficient time has elapsed for the leading edge of the sheet in the traveling direction to reach the position of the end face alignment claws 25, 25, the electromagnetic ball conveying devices 16a, 16b
, 17a, 17b are excited, the steel balls are attracted upward and separated from the rowhoos 12a, 12b, 14a, 14b, and the sheet conveyance force by the rollers 12a, 12b, 14a, 14b is released. Incidentally, ``The posture of the seat at this point is that the same seat is.
The sheets are transported by the cooperation of the steel balls of the electromagnetic ball transport devices 17a and 17b, and the end surfaces of the sheets are pressed against the end surface alignment claws 25, 25, so that the skew is corrected. Furthermore, since the sheet conveying means is a point contact between a roller and a steel ball, and the steel ball can rotate in all directions, this skew correction effect is much smoother than when the sheet is conveyed by a roller and a steel ball. It will be held on. After a sufficient period of time has elapsed for the skew correction to take place, the conveying action by the rollers 14a and 14b is released as described above, which prevents the sheet from buckling, preventing errors in skew correction and paper jams. can be prevented. Simultaneously or with a slight delay from the release of the sheet conveying force by the rollers 14a and 14b, the excitation of the electromagnet of the electromagnetic ball conveying device 18, which had been excited until then, is cut off, and the steel balls of the conveying device are moved by their own weight to the unloading roller. Fall on 15.

The sheet 4 has already been moved by the roller 1 during the skew correction.
5, the steel balls press the sheet against the roller 15, and as the roller 15 rotates counterclockwise in FIG. 6, the sheet is conveyed in a direction perpendicular to the conveying direction. After the sheet sensor 24 performs the sheet detection operation in this manner, when sufficient time has elapsed to finish conveying the sheet, the electromagnetic ball conveying devices 16a, 16b, 17
The excitation of a and 17b is cut off, and the electromagnetic ball conveying device 18 is excited, and each returns to its original state. In addition, if the sheet sensor 24 does not operate even after a predetermined period of time has passed after the sheet sensor 23 near the sheet carry-in end has activated its detection,
If the sensor 24 is activated but remains activated and does not return to its original state after a predetermined period of time has elapsed, a paper jam has occurred. Then, these steel balls are sucked and the conveyance force by each roller is released.If such a jam occurs again, the sheet sent from the copying machine will not be fed into the conveyance device 3. It is recommended to add a sheet carry-in prevention device as shown in Figure 19.In other words, in the figure 19, it is recommended to add a sheet carry-in prevention device as shown in Figure 19. The guide plate 2 is supported on the guide plate 82, and the guide plate is given rotational stability to open the seat receiving port under normal conditions. Attach plunger 23,
As mentioned above, when a paper jam is detected based on the timing of the operation of the sheet sensors 23 and 24, the electromagnet base 22 is energized to attract the plunger 23, and the guide plate turtle 21 is rotated against its habit, The sheet receiving port is closed as shown by the chain line in the figure, and the sheets sent from the copying machine are
The material is fed into the receiving tray on the cover i24 along the slope of the guide plate 21 and the upper cover assembly 24 of the conveying device. The sheet sent out by the cooperation of the roller turtle 5 and the electromagnetic ball conveying device is transferred to the trawlers 26 and 27.
As mentioned above, the front half of the seat in the traveling direction of the sheet is once sent between the guide plates 48 and 49 by the rollers 277 and 28 while being reversed while being guided by the guide member and hole, and then the stopper The sheet is prevented from advancing by the folded portion 58a of 5Q.

The second half of the sheet is further fed out from the rollers 27, 28;
The central part of the sheet in the space surrounded by the ends of the guide plates 48 and 49 curves downward in an arc shape, and this curved part is held between the rollers 28 and 29.
A crease is made along the center line of the sheet. Note that the position of the stopper 50 is adjustable in the front-back direction, so that a crease can always be formed along the center line of the sheet depending on the size of the sheet being conveyed. The sheet creased by the rollers 28 and 29 is transported by these rollers to the guide section 5.
While turning around along Moko 1.

It is held between the rollers 29 and 38. roller 29,
3Q' forms a press roller and folds the sheet even more firmly while bending the tip 53 of the guide plate 63.
a and the guide plate 54. At this time ~ light emitting section 5
5a and a light-receiving section 56b detects the sheet and excites the electromagnet 63 to bring the leaf plate 65 into contact with the roller 59. Since it is rotating, the roller 59
The sheet fed into 6-Tomima is on roller 59.
Due to the above-mentioned rotational force, the sheet is sent to the right in FIG. 6 and FIG. It is further sent to the right in the figure by the rotational force of the roller 69. However, the regulation lever member Q3 stands up immediately after the roller 88, and the lever blade 83 is moved toward the base plate 52 as shown by the solid line in FIG. Since rotation in either direction is prevented by one side edge of the hole 52a and the lever g, conveyance is prevented by the sheet ladder wing Q3. The pages will continue to be sent in order, and through the route described above, ``
The sheets are sequentially sent in a folded state from press rollers 29 and 3Q.

Each time, the electromagnet 63 is excited based on the detection operation of the sensor, and the leaf spring 65 rises as shown by the dotted line in FIG. 18, presses against the roller 59, feeds the sheet to the right, and stacks the sheets in page order. In this way, the board 52 and the guide plate 5
3 in the front-back direction of the sheets stacked sequentially between the
The length of 1 (left and right in Figure 8) is long enough to straddle most of the leaf spring 65 from the position of the regulation lever IQ3, so each time the sheets are fed one after another, the sheets that have already been stacked are also removed. It rises as the leaf spring 65 rises, and the intrusion space for the subsequently fed sorting sheet is restricted, and there is a risk that the fed sheet may slip between sheets that have already been stacked. However, since the bent end portion 53a of the guide plate 53 is formed with a downward protrusion 53b in the horizontal direction, the rear end of the already stacked sheets curls and the guide plate 53 is lifted up. Even in this case, the sheet does not rise above the protrusion 53b, and a predetermined space is secured between the sheet and the bending tip 53a, and the subsequent sheet is not placed between the sheets that are already stacked. The pages are stacked in the correct order without any digging. When a predetermined number of sheets have been stacked in this way, the copying machine 1 can be operated by an automatic command or the conveying device 3
By command operation at the end, the one-turn clutch 96 (see FIG. 15) is activated and the cams 88, 95 are rotated one revolution.

During one rotation of the cams 88, 95, as already explained with reference to FIG.
The arm 78, which rotates due to the elastic force of
6 (see FIG. 10), and binds the rear edge of the stacked sheets between the bent tip 83a of the arm 83 and the sliding plate 74 in the feeding direction with the stapler 76.
Bind by. In this case, the arm 83 is in a position where the lever 89, which is integral with the arm, is engaged with the lever 91 and prevents rotation due to the pushing up of the sliding plate 74.
The sheet binding operation using the stapler 76 can be performed reliably. The arms 78, 83 and sliding plate 74 described above
As mentioned above, the stapler consisting of the following sheets are arranged in two places in parallel, so the sheets are bound in two places. When the stapling operation is performed in this manner and the cams 88, 95 rotate once and stop, the stapler consisting of the arms T8, 83, etc. returns to its original position and waits until the next stapling operation. When the above-mentioned binding operation is completed, in synchronization with this (for example, as shown in FIG. 14, the lever 89 is
The electromagnet 101 (see Fig. S) is energized, and the electromagnet QI absorbs the plunger 100, causing the levers 68 and 98 to rotate against their natural movements, causing the lever 98 to rotate against the lever 105. At the same time, the roller 69 moves in the direction of compressing the roller 6QI, and the front edge of the sheet stacked above the roller 69 and bound at the rear edge as described above is rolled. Press 601.

The pressure from the roller 69 is stronger than the pressure from the leaf spring 66, and because of the pressure from the roller and the roller, a strong conveying force acts on the sheets, causing the bound sheets to move around the regulation lever 103. It is conveyed to the right in FIG. 16 while being rotated against. On this conveyance path, there is a conveyance means consisting of rollers 61 and 70.
This causes the paper to be further transported in the same direction. When the sheet passes, the levers 68, 98, 103, and 105 return to their original states due to their respective rotational habits.Roller 6
1,701 When the leading edge of the sheet 4 thus conveyed in the traveling direction reaches the joining point between the rollers 107, 108 and the steel balls 111, 112, the sheet 4 pushes up the steel balls 111, 112 and the low hoos 107, 108 and steel balls 111, 11
2 and a conveying force acts on the sheet 4 in a direction perpendicular to the conveying direction due to the rotation of the rollers 107 and 108. However, while the rear end of the sheet is sandwiched between the rollers 61 and 70, the sheet cannot move in the direction of conveyance by rollers 107 and 108.

However, as shown in FIG. 17, the sheet 4 separates from between the rollers 61 and 70 just before the tip of the sheet 4 comes into contact with the bent portion 113a of the stopper 113, and the rollers 107 and 108 and the steel balls 111 and 112 Due to the cooperative conveying force, the sheet 4 is conveyed in a direction perpendicular to the previous conveying direction (upward in FIG. 9). roller·
107, the sheet 4 conveyed based on the rotation of turtle 08
When the leading edge of the sheet 4 in the conveying direction reaches the position of the conveying means consisting of the low-foo 114 and the steel ball 118, the leading edge of the sheet 4 slips between the roller 114 and the steel ball 118 while pushing up the steel ball 118, and the roller 114 Based on the rotation of the roller IQ8, a conveying force in a direction perpendicular to the conveying direction acts on the roller IQ8.

At this point, the rear end of the sheet 4 is only in point contact between the roller 108 and the steel ball 112, and since the steel ball 112 is rotatable in all directions, the conveying means 108, 112 and conveyance means i14,
118, the posture of the sheet 4 gradually turns toward the tray 5 (see FIG. 8), and furthermore, the position of the sheet is regulated by the direction change guide pin 1501, and the sheet is conveyed by the roller turtle 5 and the steel ball 119. With the addition of force, my posture finally changed by 90 degrees. After the posture of the sheet 4 has changed in this way, the conveying means 114, 118 and 115,
119, the sheet 4 is conveyed in the direction of its long side and in the front-rear direction of the conveyance device 3 (left-right direction in FIG. 9), and sent onto the tray 5. The reason why the posture of the sheet is changed by 90 degrees and sent out in the direction of the long side of the sheet 4 is because the installation space of the tray 5 is limited in the left and right direction, and there is no margin in the space in the left and right direction. In such cases, there is no need to change the posture of the seat. According to the present invention, when folded sheets are temporarily stored and stacked in page order, the roller 2 is placed above the sheet inlet of the storage section.
A guide plate is installed diagonally so that the sheet carry-in port opens toward the sheet carry-in member consisting of 9 and 30, and the guide plate is provided with a guide plate that allows the rear end of the sheet carried into the sheet storage section to be opened. Since a downward protrusion is provided to hold down the sheet, subsequent sheets will not slip between the sheets that have already been stacked.In addition, a feed roller is provided at the sheet inlet, and the sheet that is being brought in will be held down only when the sheet is being brought in. Since a spring device is provided that presses the feed roller onto the feeder, the sheets can be smoothly carried into the sheet storage section, and each sheet can always be conveyed to a predetermined position.
This has the effect that the front and back edges of each stacked sheet are evenly aligned, and when these are bound, a good-looking combined book can be created.

[Brief explanation of the drawing]

FIG. 1 is an external perspective view showing an embodiment of the present invention connected to a copying machine, FIG. 2 is a perspective view showing how the sheet moves in the above embodiment, and FIG. 3 is a perspective view of the top cover in the above embodiment. Fig. 4 is a perspective view showing the top layer with most of its upper components removed; Fig. 5 is a perspective view showing the top layer with most of its upper components removed; FIG. 6 is a perspective view with the plate removed; FIG. 6 is a vertical cross-sectional view showing a portion including the top layer cut along the longitudinal line of the device; and FIG. 7 is a front view of the above embodiment. FIG. 8 is a perspective view showing the structure of the lower layer of the above embodiment including the sheet binding device; FIG. 9 is a plan view showing the upper and lower layers with their substrates and guide plates removed. Figure 0 is a perspective view showing only the above binding device, Figure 11 is a vertical sectional view showing a part of the same binding device, Figure 12 is a slope view showing a different aspect of the same binding device, and Figure 13 is the same as above. A side view showing the control mechanism of the binding device; Fig. 14 is a side view showing different operating modes of the above control mechanism;
FIG. 6 is a longitudinal sectional view of the knock-down regulating mechanism used in the lower layer, FIG. 17 is a side view showing the dimensional relationship between the roller and the sheet in the lower layer, and FIG. 18 is a part of the lower layer. FIG. 19 is a longitudinal sectional view showing an example of a receiving section for a sheet from the outside. 12a, 12b, 13a, 13b, 14a, 14b...
Carrying in loaf, 15... Carrying out loaf, stove 6a, 1
6b, 17a, 17b, 18... Electromagnetic ball conveyance device. 20, 21, 22... Steel ball, 23, 24...
・Sheet sensor, 25... Sheet edge alignment claw, 28
, 29...Folding lo-fu, 29, 30...Press lo-fu, 53a...Guidance plate 56a...Protrusion, 5
9...Lofu, 65...Leaf spring. Younger brother /r Scheme 2 drawings turning over drawings and 4 drawings Shibori drawing 6 drawings Rare 7 drawings 6 drawings continuation? Figure Hakama I 0 Figure Bamboo Figure Bald Figure Vermilion Figure Boar I 4 Figure Cold Figure Enjutsu Figure Rare i7 Figure Zoku Figure Rare Collar Figure

Claims (1)

[Claims] 1. In a sheet stacking device that stores and sequentially stacks conveyed sheets, a guide is provided above the sheet loading port of the sheet storage section so that the sheet loading port opens toward the sheet loading member. A plate is installed diagonally, and a downward protrusion is provided on the guide plate to suppress the rise of the rear end of the sheet carried into the sheet storage section.Furthermore, a feed roller is provided at the sheet carry-in entrance, and a A sheet stacking device comprising a pressing spring device which is actuated only when the sheet is being conveyed and presses the sheet being conveyed against the feed roller.