JPH07267458A - Counting/stacking device - Google Patents

Abstract

PURPOSE:To prevent two volumes of accumulated objects from being concurrently drifted, resolve the correcting work of counting, and improve workability by measuring the change of the thickness of the accumulated objects on the detaching side with a detaching member, and adjusting the vertical position of the cutting end of the detaching member. CONSTITUTION:This counting/stacking device is provided with the carrying-in mechanism 20 and lift mechanism 30 of accumulated objects. When the accumulated objects rise to the counting position, the jogger member 40 of a counting mechanism 40a is intermittently reciprocated to drift the accumulated objects in steps by one volume, and the number of volumes is counted by a count section 51. A detecting lever is brought into contact with the same side face as a detaching member 76 on the lower face of counted objects, and the displacement of the lower face of the accumulated objects is detected. The vertical position of the detaching member 76 is adjusted in response to the detected result, and the cutting end is brought into contact with the accumulated objects directly below the counted objects. The counted objects reaching a specific number of volumes are extruded by a pusher member 71, and they are cut off from the accumulated objects by the detaching member 76.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a counting stack device which counts the number of stacks of an aggregate such as a magazine and carries out the counted products stacked in a predetermined number.

[0002]

2. Description of the Related Art As a counting stack device of this type, there has been previously proposed by the applicant in the specification attached to the application for Japanese Patent Application No. 4-319633. That is,
The jogger member side detects the thickness of a magazine or the like with respect to the object to be counted, and determines the amount of vertical rise of the stack. As a result, it is conceivable that the cut-out end of the separating member can be adjusted in vertical position based on the detected information on the thickness of the magazine or the like. On the other hand, in magazines, etc. that make up the stack, postcards, etc. may be bound in the magazines etc., so the thickness of the outer peripheral edge of a single magazine, etc. is not always uniform, and is pushed out by the pusher member. In many cases, the thickness of the magazine or the like and the thickness of the magazine or the like cut out by the separating member are different.

[0003]

However, in such a prior art, the jogger member side with respect to the object to be counted,
Based on the detected thickness information of magazines, etc., the cutting edge of the separating member can be adjusted in vertical position, so the thickness of the magazine etc. on the side pushed out by the pusher member and the thickness of the magazine etc. on the side cut out by the separating member If they are different, the cut-out end of the separating member may not be adjusted to an appropriate cutting position, and when the jogger member is used to move one magazine at a time, two magazines may be displaced at the same time. Therefore, there is a problem that workability is deteriorated.
The present invention has been made by paying attention to the problems of the previous technique, and measures the change in the thickness of the magazine or the like on the side to be cut with the separating member, and adjusts the vertical position of the cutting end of the separating member. For example, it is an object of the present invention to provide a counting stack device capable of preventing two magazines and the like from being displaced at the same time, eliminating the counting correction work, and improving the workability.

[0004]

The gist of the present invention for achieving the above object is to count the number of stacks of a stack such as magazines and to carry out the counted products stacked in a predetermined number. In the counting stack device, a jogger member (40) that intermittently advances and retreats in a direction orthogonal to the vertical rising direction of the stack to push the stack and shift the rising stacks one by one to make a step shape. The jogger member (4
Counting mechanism (40a) having a counting unit (51) for counting the number of volumes through the operation (0), and the jogger member (4) with respect to the counting objects stacked in a predetermined number in the stepwise shape.
0), which is arranged on the same side as the pusher member (71) for pushing out the counting object from the counting position, and on the side opposite to the jogger member (40) sandwiching the counting object, and the jogger member (40). When it advances, the cut-out end is located in the vicinity of the upper end of the next stack of stacks, and the jogger member (40) shifts the bottom magazine or the like of the counted products into the next staircase. A separating member (76) adapted to cut out from a stack of accumulated materials, and the jogger member (4).
0) when the stacks are shifted one by one, the detection lever (91) comes into contact with the lower surface of the counted objects and the surface on the same side as the separating member (76) with respect to the counted objects. ), A measuring section (96) for measuring the position of the measured section (92) of the detection lever (91) when it comes into contact with the lower surface of the magazine or the like, and based on the measurement information of the measuring section (96). The cutting end of the separating member (76) can be vertically adjusted according to the displacement of the lower surface of the magazine or the like with which the detection lever (91) contacts, and the cutting end of the separating member (76) is adjusted to the jogger. And a drive unit (100) for surely hitting a magazine or the like directly below the counted objects when the stacks are shifted one by one by the member (40) and preventing the two books from being shifted at the same time. Counting stack device characterized by Exist for.

[0005]

The stack is loaded into the lower position, and vertically rises from the lower position to the upper counting position for counting. When the stack increases by an amount corresponding to the thickness of one book, the jogger member (40) of the counting mechanism accordingly moves back and forth intermittently in a direction orthogonal to the rising direction of the stack, and The books are shifted in a stepwise manner, and the counting unit (51) counts the number of books of the stack by the movement of the jogger member (40).

When the stacks are shifted one by one by the jogger member (40), the lower surface of the count object to be shifted and the surface on the same side as the separating member (76) with respect to the count object are used for detection. The lever (91) abuts. Thereby,
The measuring unit (96) measures the position of the measured unit (96) of the detection lever (91) when the measuring unit (96) contacts the lower surface of the magazine or the like.
The displacement of the lower surface of the magazine or the like is found based on the measurement information of the measuring unit (96). Thereby, the drive unit (100)
Allows the cut-out end of the separating member (76) to be vertically adjusted, and when the cut-out end of the separating member (76) is shifted one by one, it is surely applied to a magazine or the like directly below the count object to be displaced, and the jogger is securely attached. The member (40) prevents two magazines or the like from being shifted at the same time. The counted objects that have reached the predetermined number of copies are pushed out while being aligned from the counting position by the pusher member (71). The extruded counts can be separated from the stack of stacks of the lowermost magazine of the counts by the separating member (76).

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 19 show an embodiment of the present invention.
As shown in FIGS. 2 and 3, the counting stack device 10 according to the present embodiment counts the number of stacks of a stack such as a magazine and carries out the counted products stacked in a predetermined number. The stack is, for example, a bundle of magazines, and is fed to the counting stack device 10 in a state where the bundle is released.

The counting stack device 10 has a carry-in mechanism 20 for carrying the accumulated product from the supply position to the standby position.
The carry-in mechanism 20 includes a carry-in conveyor 21, the start end of which is the supply position and the end of which is the standby position. The carry-in conveyor 21 is an accumulation-type conveyor capable of accumulating a plurality of accumulated objects at all times. A stopper member 22 is provided at the end of the carry-in conveyor 21 so as to be able to contact the accumulated product conveyed to the standby position. The stopper member 2 is interlocked with the pair of lifting forks 31, 31.
A cylinder member 23 capable of projecting and retracting 2 in the vertical direction is provided. In addition, an aligning member 2 that abuts on the end of the carry-in conveyor 21 from the side and aligns both sides of the stack.
4 are provided.

At the end of the carry-in conveyor 21, a lift mechanism 30 is arranged so as to be continuous with it. The lift mechanism 30 has a pair of push-up forks 31, 31 that move up and down to a lower receiving position for receiving the stack from the standby position and an upper counting position for counting the number of stacks of the stack. The pair of push-up forks 31 are symmetrically configured. The push-up fork 31 has roller members 31a, 3
1a ... are arranged in series. A moving conveyor 31b is provided for moving the accumulated product from the standby position to the receiving position. A slide member 33 is fixed to each push-up fork 31 via an arm member 32.
A slide member 33 is movably fitted to a guide rail 34 for the front-rear direction so that 1 can be moved in the front-rear direction. A guide rail 34 for the front-rear direction is movably fitted to a guide rail 35 for the vertical direction in order to make the push-up fork 31 movable in the vertical direction.

A nut member 36 is fixedly mounted on the guide rail 34 for the front-rear direction, and the nut member 36 is screwed onto a screw member 37 extending vertically. An input pulley 37a is fixed to the lower end of the screw member 37, and a timing belt 39 is wound around the input pulley 37a and an output pulley 38a rotated by a servomotor 38. A rotary encoder 39a for detecting the raised position of the push-up fork 31 is provided in association with the input pulley 37a. As shown in FIGS. 2, 3 and 8,
A counting mechanism 40a that counts the number of books while shifting the accumulated objects one by one by the push-up fork 31 to form a staircase.
Is provided. The counting mechanism 40a includes a jogger member 40 that intermittently advances and retreats in a direction orthogonal to the rising direction of the stack and pushes the stack, and shifts the stack of stacks one by one to form a staircase. . The jogger member 40 is supported by a holder member 42 so as to be vertically movable, and is biased downward by a spring member 43. Jogger member 4
So that 0 can move back and forth in the horizontal direction toward the stack,
The holder member 42 is fitted to the guide rod 44. A cam follower 45 is fixed to the holder member 42. A cam shaft 48 rotated by a drive motor 46 via a timing belt 47 is provided, a cylindrical cam 49 is fixedly mounted on the cam shaft 48, and a cam follower 45 is fitted in a cam groove of the cylindrical cam 49.

The counting mechanism 40a has a counting section 51 for counting the number of books through the operation of the jogger member 40. The counting unit 51 is provided on the control panel. As shown in FIG. 11, the jogger member 40 is adjacent to the jogger member 40.
Thus, a clamp member 55, which is a member to be detected, is provided that can come into contact with the stepped portion of the newly formed aggregate. The clamp member 55 is internally fitted by a guide member 56 so as to be able to project and retract downward. Above the clamp member 55 is a detection unit that projects a laser beam onto the member to be detected and measures the rising position of the member to be detected by the reflected light to detect whether or not the stack has risen by a predetermined amount. An elevated position detection sensor 58 is provided.

As shown in FIGS. 2 and 3, the counting mechanism 4
0a has a pressure belt 61 that moves upwards while pressing the laminate with a constant force from above and moves in the horizontal direction to maintain the laminate in a stepwise manner. The pressure belt 61 is supported by a support member 62, and an output rod 64 of a cylinder member 63 for applying a constant force to the pressure belt 61 is connected to the support member 62. A pusher member 71 is provided between the jogger member 40 and the clamp member 55 to push out from the counting position while aligning the counted objects that have reached a predetermined number. The pusher member 71 is the unloading mechanism 7.
Configures 0. The pusher member 71 is formed in an L shape, and is fitted by a vertical guide member 72 so as to be movable in the vertical direction. The upper and lower guide members 72 are fitted to the horizontal guide rod 72a so as to be movable in the horizontal direction. The upper and lower guide members 72 are screw members 73 that are horizontally extended.
It is screwed to.

A cylinder member 74 for driving the pusher member 71 in the vertical direction is provided, and a drive motor 75 for rotating the screw member 73 in the forward and reverse directions to drive the pusher member 71 in the horizontal direction is provided. . As shown in FIG. 7, the carry-out mechanism 70 has a separating member 76 for cutting out the counted objects, which have reached the predetermined number of copies, from the other stacked objects. Further, the separating member 76 is provided with a cutting and conveying conveyer 76a for mounting and carrying out the objects to be counted. The separating member 76 slightly lifts up the counting object at the cutting end, which is the tip thereof, to separate the counting object from other laminated materials, and flips up so that the counting object is surely pushed out by the pusher member 71. Rocking in three stages: a horizontal state, an intermediate horizontal state, and a downward leaning state in which the cut end is tilted downward at the time of counting so that the cut end hits the uppermost magazine or the like of the stack that is next stacked stepwise. It is movably pivoted. The output rod of the cylinder member 77 for swinging the separating member 76 in each of the three stages is connected between the distal end portion and the base end portion of the separating member 76.

The tip of the separating member 76 is formed in a comb-teeth shape, and a slot 76b is formed in the central comb from the tip to the base. A detection lever 91 is fitted in the gap between the slots 76b. A central portion between the tip end portion and the base end portion of the detection lever 91 is pivotally supported by the central comb portion via a pivot 93. The detection lever 91 is biased by a spring member 94 so that the tip end thereof jumps up and comes into contact with the lower surface of the object to be counted, the surface being on the same side as the separating member 76. A stopper 95 is provided to limit the amount of jump of the detection lever 91. Also,
A measured bracket 92, which is a measured portion, is fixed to a base end portion of the detection lever 91, and a measured light is applied to the measured bracket 92 below the measured bracket 92 by laser light. Measuring unit 96 for measuring the position of
Is provided.

As shown in FIGS. 5 and 6, a drive unit 100 is arranged above the comb portions at both ends of the separating member 76. The drive unit 100 includes a guide rail 101 extending in the vertical direction and a screw member 102 having a screw shaft extending parallel to the guide rail 101. An upper slide 103 and a lower slide 104 are vertically fitted to the guide rail 101 so as to be vertically movable, and a cylinder member 105 is fixedly mounted on the upper slide 103. The output shaft of the cylinder member 105 is connected to the lower slide 104. The block 106 is fixed to the lower slide 104,
Is contacted with the comb portions at both ends of the separating member 76 from above,
A push pin 107 is mounted which can push down the comb portions at both ends of the separating member 76 against the air pressure of the cylinder member 77 and push it down to an appropriate vertical position. Push pin 107
Is screwed, and the vertical position of itself can be adjusted.

The nut member 10 is attached to the screw member 102.
2a is screwed together, and the nut member 102a is connected to the upper slide 103. A pulley 108 is fixed to the upper end portion of the screw member 102, and a timing belt 108a is wound around the pulley 108 and is also wound around a pulley 109a rotated by a motor 109. As shown in FIG. 2, FIG. 3 and FIG. 9 to FIG. 12, the carry-out mechanism 70 abuts on the stepwise formed counting object carried out by the separating member 76 and the cutting and conveying conveyer 76a to move the counting object up and down. It has a posture correction plate 78 for aligning the directions. A pressure belt 79 and a fork member 81 that press and convey the count object from the up and down direction are provided.

The pressure belt 79 is supported by a guide rod 79a so as to be movable in the vertical direction, and an output rod of a cylinder member 79b is connected to the pressure belt 79. A conveying roller 82 is continuously provided to the fork member 81, and the fork member 81 is fitted by a guide rail 83 so as to be vertically movable between an upper position correction position and a lower carry-out position. A carry-out conveyor 84 is provided at the carry-out position, and a drive motor 85 for driving the carry-out conveyor 84 is provided. A transport conveyor 86 is continuous with the carry-out conveyor 84.

Next, the operation will be described. FIG. 12 shows a series of steps in which the accumulated material is counted and carried out as the counted material. In FIG. 2, the bound stack is placed, for example, manually before the supply position, and the binding string and the upper and lower sheets are removed. Next, the carry-in conveyor 21 of the carry-in mechanism 20 carries the accumulated product from the supply position to the standby position. At this time, the aggregate is in contact with the stopper member 22, and
The aligning member 24 aligns both sides of the stack.

As shown in FIG. 13, at the start of counting, the lifting fork 31 of the lift mechanism 30 is at the receiving position, and the moving conveyor 31b causes the stacked fork 31 to move from the standby position to the receiving position. The collection is loaded on top. When the accumulated product is loaded onto the push-up fork 31, the screw member 37 is rotated by the servo motor 38, and the push-up fork 31 is raised via the guide rail 34 for the front-rear direction, the slide member 33, and the arm member 32. Then, the stack is lifted from the receiving position. At this time, the clamp member 55 is at the 0 level which is the lower limit position protruding downward.

As shown in FIG. 14, when the stack is lifted to the A level, the stack contacts the clamp member 55 and the clamp member 55 is retracted. Clamp member 55
Servo enters the upper limit position, the servomotor 38 stops,
The push-up fork 31 stops rising. At this time, the push-up fork 3 is rotated by the rotation of the rotary encoder 39a.
A raised position of 1 can be detected. Here, the thickness of one magazine is calculated, and thereafter, the servomotor 38 raises the lifting fork 31 by an amount corresponding to the thickness. When the accumulated amount is raised from the A level by an amount corresponding to the thickness T via the push-up fork 31 by the servo motor 38, the laminated body contacts the jogger member 40 and the jogger member 40 is contacted, as shown in FIG. 40 rises against the biasing force of the spring member 43. As the drive motor 46 rotates back and forth, the cam shaft 48 rotates via the timing belt 47, the cam follower 45 moves following the cam groove, and the holder member 42 is guided by the guide rod 44. As shown in, the jogger member 40 advances. When the jogger member 40 advances, the limit switch LS11 detects the advance of the jogger member 40, and the counting unit 51 counts the number of books "1".

When the drive motor 46 further rotates, as shown in FIG. 17, the jogger member 40 retreats, the jogger member 40 comes off the laminate, and the spring member 4 is removed.
It is lowered by the urging force of 3. The limit switch LS10 detects the backward movement of the jogger member 40. Next, the servo motor 38 raises the accumulated product by an amount corresponding to the thickness T via the push-up fork 31, and similarly the laminated product contacts the jogger member 40, and as shown in FIG.
The jogger member 40 rises against the biasing force of the spring member 43. When the drive motor 46 rotates back and forth, FIG.
As shown in, the jogger member 40 advances. When the jogger member 40 moves forward, the limit switch LS11 detects the operation of the jogger member 40, and the counting unit 51 counts the number "2". In this way, the number of laminated sheets is continuously counted as "3", "4", ... And the laminated bodies are formed in a stepwise manner. At this time, the pressure belt 61
Moves upward while pressing the stack with a constant force from above and moves horizontally.

Further, when the stacks are shifted one by one by the jogger member 40, the detection lever 91 is provided on the lower surface of the counted objects to be displaced and on the same side as the separating member 76 with respect to the counted objects. Abut. Thereby, the detection lever 91 when the measuring unit 96 contacts the lower surface of a magazine or the like.
The position of the measured bracket 92 is measured. The displacement of the lower surface of the magazine or the like is found based on the measurement information of the measuring unit.

If necessary, the motor 109 operates to drive the pulley 109a-timing belt 108a-pulley 10
The screw member 102 rotates in a predetermined direction via the shaft 8. As a result, the push pin 107 is separated through the nut member 102a, the upper slide 103, the lower slide 104, the cylinder member 105, and the block 106, and the comb portions at both ends of the member 76 are pushed down by a predetermined amount against the air pressure of the cylinder member 77. . Thereby, the separating member 76
It becomes possible to adjust the vertical position of the cutout end of the
The cut-out end of the jogger member 40 is surely applied to the magazine or the like immediately below the counting object when the stacks are shifted one by one by the jogger member 40, and the jogger member 40 prevents two magazines or the like from being simultaneously shifted. It

When the number of laminated sheets is counted and reaches a predetermined number, the driving motor 75 rotates the screw member 73 to move the upper and lower guide members 72 to the horizontal guide rod 72.
Guided by a, the pusher member 71 moves in the horizontal direction, thereby pushing the counting object out of the counting position. At this time, the cylinder member 105 operates and the push pin 107 is separated via the block 106.
6 is retracted upward from the comb portions at both ends by a predetermined amount. Also, the cylinder member 77 causes the cut-out transfer conveyor 76 to swing from the horizontal state to the flip-up state, and the leading end portion of the cut-out transfer conveyor 76 slightly lifts the counting object to separate the counting object and other laminated materials. Since the conveyors of the cutting and conveying conveyor 76 are driven, when the count object is pushed out by the pusher member 71, the count object is smoothly placed on the side of the cut and convey conveyor 76, and is pushed to the pusher member 71. It is smoothly carried out by the cutout conveyor 76a. The cut-out conveyer 76 swings horizontally while being carried out.

Before and after, the pressure belt 79 presses the object to be counted with a constant force from above, and the posture of the object to be counted is prevented from being collapsed. Next, the fork member 81 is guided by the guide rails 83 and descends, the count product descends from the posture correction position to the carry-out position, and the count product is placed on the carry-out conveyor 84. Thereby, the counted material is sent to the carry-out conveyor 84,
It is placed on the side of the conveyor 86 and is moved to the binding process by the conveyor 86.

[0026]

According to the counting stack device of the present invention, the change in the thickness of the magazine or the like on the side to be cut by the separating member is measured, and the cutting end of the separating member is vertically adjusted so that, for example, two books are separated. It is possible to prevent the magazines and the like from being displaced at the same time, eliminate the counting correction work, and improve the workability.

[Brief description of drawings]

FIG. 1 is a front view of a separating member and the like of a counting stack device according to an embodiment of the present invention.

FIG. 2 is a front view of a counting stack device according to an embodiment of the present invention.

FIG. 3 is a partial front view of the counting stack device according to the embodiment of the present invention.

FIG. 4 is a plan view of a separating member and the like of the counting stack device according to the embodiment of the present invention.

FIG. 5 is a side view of a drive unit according to an embodiment of the present invention.

FIG. 6 is a plan view of a driving unit showing an embodiment of the present invention.

FIG. 7 is a front view of a separating member and the like of the counting stack device according to the embodiment of the present invention.

FIG. 8 is a front view of a counting mechanism showing an embodiment of the present invention.

FIG. 9 is a partial front view of the carry-out mechanism according to the embodiment of the present invention.

FIG. 10 is a partial front view of the counting mechanism showing the embodiment of the present invention.

FIG. 11 is a partial front view of the lift mechanism showing the embodiment of the present invention.

FIG. 12 is an operation explanatory view of the counting stack device showing the embodiment of the present invention.

FIG. 13 is an operation explanatory view of the counting stack device according to the embodiment of the present invention.

FIG. 14 is an operation explanatory view of the counting stack device showing the embodiment of the present invention.

FIG. 15 is an operation explanatory view of the counting stack device showing the embodiment of the present invention.

FIG. 16 is an operation explanatory view of the counting mechanism showing the embodiment of the present invention.

FIG. 17 is an operation explanatory view of the counting mechanism showing the embodiment of the present invention.

FIG. 18 is an operation explanatory view of the counting mechanism showing the embodiment of the present invention.

FIG. 19 is an operation explanatory view of the counting mechanism showing the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Counting stacking device 20 ... Carrying-in mechanism 30 ... Lifting mechanism 31 ... Push-up fork 40a ... Counting mechanism 40 ... Jogger member 51 ... Counting unit 70 ... Carrying-out mechanism 71 ... Pusher member 76 ... Separation member 76b ... Slot 91 ... Detection lever 92 ... Measured bracket (measured part) 96 ... Measuring part 100 ... Drive part 101 ... Guide rail 102 ... Screw member 103 ... Upper slide 104 ... Lower slide 105 ... Cylinder member 106 ... Block 107 ... Push pin 108 ... Pulley 109 …motor

Claims (1)

[Claims] 1. A counting stack device for counting the number of stacks of a magazine or the like and discharging a stack of a predetermined number of stacks, wherein the stack is intermittent in a direction orthogonal to the vertical rising direction of the stack. A counting mechanism having a jogger member that advances and retreats into and out of the stack and shifts the rising stack one by one to form a step, and a counting unit that counts the number of books through the operation of the jogger member; And a pusher member that is arranged on the same side as the jogger member with respect to the counted objects stacked in a predetermined number and pushes out the counted objects from the counting position, and on the opposite side of the jogger member with the counted object interposed therebetween. When the jogger member is advanced, the cut-out end is located near the upper end of the stack that is next stacked stepwise,
A separating member for cutting out the lowermost magazine of the counting object that the jogger member has shifted from the stack that is next stacked stepwise, and the shift when the stack is shifted by the jogger member one by one. Of the count object to be measured, which is the lower surface of the count object, and the detection lever that contacts the surface on the same side as the separating member, and the measured portion of the detection lever when it contacts the lower surface of the magazine or the like. A measuring unit for measuring the position, and based on the measurement information of the measuring unit, the cutting end of the separating member can be vertically adjusted in accordance with the displacement of the lower surface of the magazine or the like with which the detection lever comes into contact, and the separation is performed. A drive unit for surely applying the cut-out end of the member to a magazine or the like immediately below the counting object to be displaced when the accumulated objects are displaced one by one by the jogger member, and preventing the two articles from being displaced at the same time. Counting stack apparatus comprising the.