KR20050079504A - Corrugated cardboard feeder for printing machine - Google Patents

Abstract

Disclosed is a corrugated cardboard feeder for a printing press. The corrugated cardboard feeding device includes a frame; A loading conveyor for loading a pile of cardboard; A support for supporting a pile of cardboard loaded on a loading conveyor; A discharge conveyor installed on the support, having a tilting unit for tilting the support so that the cardboard stack supported by the support is vertically turned over and falling forward; An unloading conveyor for discharging the cardboard conveyed from the discharge conveyor to a printing machine; If necessary, it is provided with a fall prevention means for preventing the cardboard to fall forward. According to the present invention, the loaded cardboard is automatically turned over as needed or supplied to the printer as it is loaded, thereby eliminating the need to manually turn over the cardboard. In particular, it has the effect of increasing the production efficiency by automatically flipping the cardboard.

Description

Corrugated cardboard feeder for printing machine {CORRUGATED CARDBOARD FEEDER FOR PRINTING MACHINE}

The present invention relates to a corrugated cardboard feeder for printing presses, and more particularly, to a corrugated cardboard feeder for printing presses that can be automatically turned over and supplied to the printing press as needed.

Corrugated cardboard is a flat liner paper adhered to the corrugated corrugated core, excellent buffering capacity, smooth surface is used as an inner or outer packaging material. In particular, corrugated paper is used as a box-type outer packaging material for packaging the appearance of the product because of the light weight and excellent strength.

Looking at the manufacturing process of the corrugated cardboard packaging material, first, the corrugated cardboard is cut to a certain size according to the size of the contents to be packaged, and then the figures, letters, symbols, etc. are printed on the cut cardboard surface, and the printed cardboard slotter By cutting using to produce a cardboard packaging material. Corrugated packaging materials produced in this way are not concerned about environmental pollution and can be recycled, so the demand is increasing in recent years.

On the other hand, such a cardboard packaging material manufacturing process, if you want to print the figures, letters, symbols, etc. on the bottom of the cardboard to be cut and transported, it is pointed out that the cardboard must be turned upside down and supplied to the printing machine. In other words, the printing machine is configured to print the upper surface of the supplied cardboard, if it is necessary to print a specific figure, characters, symbols, etc. on the bottom of the cardboard conveyed horizontally, it is turned over manually by hand to turn the bottom to the upper surface (顚 倒It had to be fed to the press while it was turned over. This drawback is to cause the waste of cardboard, as well as to delay the printing work of the corrugated cardboard because it must be turned upside down, resulting in a decrease in production efficiency.

Therefore, the present invention has been made to solve the above disadvantages, the object is to provide a corrugated cardboard feeder for printing machine that can automatically supply the corrugated cardboard to the printing machine as needed.

The present invention to achieve this object, the frame; A loading conveyor for loading a pile of cardboard; A support for supporting the pile of cardboard loaded on the loading conveyor; Tilting means for tilting the support so that the corrugated cardboard pile supported by the support is upright and then turned forward to fall; A discharge conveyor installed on the support to discharge the upset cardboard from the support; An unloading conveyor for discharging the cardboard conveyed from the discharge conveyor to a printing machine; If necessary, the cardboard includes a fall prevention means for preventing the fall to fall forward.

The tilting means includes a towing means for towing the lower end of the support to the upper side, and the support to be lifted by the towing means lifts the upper end of the support to the frame so as to tilt forward. And linkage means for movably supporting it.

The fall prevention means may interfere with the upper side of the corrugated cardboard erected by the tilting means to prevent the corrugated cardboard from falling forward, and the interference position that interferes with the upper side of the corrugated cardboard and the corrugated cardboard does not interfere with the corrugated cardboard. It includes exercise means for exercising in a non-interfering position.

Hereinafter, a preferred embodiment of a corrugated cardboard supply apparatus for a printing machine according to the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in Figures 1 and 2, the corrugated cardboard supply apparatus of the present invention has a frame (10). Frame 10 is a bottom support 12, the upper support 14 is installed on the top of the bottom support 12 and the vertical support (16) connecting the bottom support 12 and the upper support (14) It consists of In addition, the frame 10 is provided with a controller 18 for controlling the device, which is equipped with a control board (not shown) and operation buttons to adjust the control board.

On the other hand, the frame 10 has a loading conveyor 20 for introducing a pile of corrugated cardboard (C), a support (30) for supporting the introduced pile of cardboard (C), and a supported cardboard (C) forward The tilting unit 40 for tilting the support 30 so as to fall over, the transfer conveyor 50 for transferring the cardboard C of the tilting unit 40, and the transferred cardboard C to the printing machine (P). Unloading conveyor 60 to be supplied to, and fall prevention means 100 is installed to prevent the cardboard (C) to fall forward and flip over as needed.

Looking at this in turn, the loading conveyor 20 is a multi-type belt conveyor, the head pulley 24 and the tail pulley 25 and the head pulley 24 and the belt (25) for winding the tail pulley 25 And a drive motor 28 and a drive pulley 28a for circulating the belt 26. This loading conveyor 20 introduces a pile of corrugated cardboard C transferred from the transfer conveyor apparatus S into the apparatus.

Here, the loading conveyor 20 is configured to stop the operation when the loaded cardboard (C) is fully supported by the support 30, which will be described later, for this purpose to detect that the cardboard (C) is introduced into the support (30) Sensing means, for example an optical sensor 29 is installed. The optical sensor 29 serves to stop the loading conveyor 20 by detecting that the loaded cardboard C is fully supported by the support 30.

Referring again to Figure 1, the corrugated cardboard supply apparatus of the present invention is provided with a support (30) for supporting a pile of cardboard (C) loaded in a stacked state. The support 30 is composed of a vertical support 32 for supporting the side of the stack of stacked cardboard (C), and a horizontal support 34 for supporting the bottom of the cardboard (C). In particular, the horizontal support portion 34 is composed of a plurality of rod-like fingers 34a, as shown in FIG. 2, which rods 34a are disposed between the multi-type loading conveyors 20.

And the corrugated cardboard supply apparatus of the present invention, as shown in Figure 1, standing up the cardboard (C) vertically supported by the support 30, the support (30) so that the corrugated cardboard (C) standing upside down and turned upside down Equipped with a tilting unit 40 for tilting forward.

The tilting unit 40 includes a towing means 42 for pulling the lower end of the support 30 upward, and the support 30 to be lifted and lifted by the support 30 to have a predetermined trajectory to tilt forward. ) Is constituted by a link means 44, for example a fluid-filled cylinder, for movably supporting the upper end of the frame 10.

In particular, the traction means 42 is a fixed chain wheel (42a) is installed on the frame 10, a movable chain wheel (42b) capable of moving up and down relative to the fixed chain wheel 42a, and one end of the frame 10 The other end is fixed to the support 30, respectively, the chain 42c and the movable chain wheel 42b which are wound around the moving chain wheel 42b and the fixed chain wheel 42a and wound in an " S " shape. And a traction cylinder 42d installed perpendicular to the frame 10 so as to be pulled downward.

According to this tilting unit 40, the moving chain wheel 42b is pulled as the traction cylinder 42d. Then, the chain 42c wound around the moving chain wheel 42b and the fixed chain wheel 42a is also pulled and lifts the lower end of the support 30 upward. At this time, the link means 44 guides the upper end of the support 30 to a predetermined trajectory, and the support 30 is tilted toward a predetermined trajectory toward the front. As a result, the cardboard (C) of the support 30 is vertically erected by the support (30) tilted toward the front falls to the front, so that the bottom and the upper surface is reversed is reversed.

Here, the tilting unit 40 is configured to return to its original position by operating in the reverse direction when the cardboard (C) is completely discharged from the support (30). Of course, this operation is controlled by the controller 18.

Again, referring to Figure 1, the vertical support portion 32 of the support 30 is provided with a discharge conveyor 46 for discharging the corrugated cardboard (C) overturned forward and out of the vertical support portion (32). The discharge conveyor 46 includes a head pulley 46a installed at the upper end of the vertical support part 32, a tail pulley 46b installed at the lower end of the vertical support part 42, a head pulley 46a and a tail pulley 46b. It is composed of a belt 46c for winding the coupling () and a drive motor 46d for driving the head pulley 46a.

And the corrugated cardboard supply apparatus of the present invention is a conveying conveyor 50 for transporting the cardboard (C) discharged from the support 30, and the unloading conveyor 60 for transporting the conveyed cardboard (C) to the printing machine (P) Have

The transfer conveyor 50 includes a conveyor frame 52 fixedly installed at the frame 10, a head pulley 54, a tail pulley 55, and a head pulley 54 installed at both ends of the conveyor frame 10, respectively. And a belt 56 for winding and connecting the tail pulley 55 and a driving motor 58 for driving the head pulley 54. This transfer conveyor 50 is composed of a multi-type conveyor consisting of several rows as shown in FIG.

Meanwhile, as shown in FIG. 1, the unloading conveyor 60 includes a conveyor support boom 62 extending from the frame 10 and a head pulley 64 installed at an end of the conveyor support boom 62. , A tail pulley 65 installed at the other end of the conveyor support boom 62, a belt 66 for winding the head pulley 64 and the tail pulley 65, and driving the head pulley 64. It consists of a drive motor 67.

The unloading conveyor 60 serves to feed the corrugated cardboard C transferred from the transfer conveyor 50 to the end of the conveyor support boom 62 and to supply it to the printing machine P. In the present invention, as shown in Figure 2, the unloading conveyor 60 was configured as a multi-type conveyor consisting of several rows.

On the other hand, the unloading conveyor 60 of the present invention is configured such that its length can be adjusted according to the distance to the printing machine (P), as shown in Figure 1, the conveyor support boom 62, the frame ( 10, and a fixed boom 62a supported by the fixed boom 62a and a movable boom 62b movably installed on the fixed boom 62a. The fixed boom 62a includes a movable boom 62b of the fixed boom 62a. Moving means 70 for extending or shortening the length of the conveyor support boom 62 by moving outward or inward is installed, and the belt 66 is a first guide roller 60a installed in the fixed boom 62a. And an overlap section of the "S" type by the second guide roller 60b provided to the moving boom 62b. In particular, the movement means 70 is moved so as to move along the screw feed shaft 72 rotatably installed on the fixed boom 62a, the drive motor 74 for rotating the screw feed shaft 72, and the screw feed shaft 72. It consists of a moving nut 76 fixed to the moving boom 62b.

According to this configuration, when the drive motor 74 is operated to rotate the screw feed shaft 72, the moving nut 76 moves along the screw feed shaft 72, and the moving nut 76 moves the screw feed shaft 72. Therefore, when moving forward and backward, the moving boom 62b fixed thereto is also extended or shortened by the length of the conveyor support boom 62 while moving along the fixed boom 62a. At this time, the first guide roller 60a and the second guide roller 60b fixed to the fixed boom 62a and the moving boom 62b are also close to or spaced apart from each other, so as to extend the entire length of the conveyor support boom 62. The length is adjusted by unfolding or further overlapping the overlapped belt 66 in " S "

And the unloading conveyor 60 of the present invention is configured to be pivotable upward with respect to the frame 10, which is for unloading conveyor 60 for repairing the printing press (P) or exchange of plate (印 版). This is for use when you want to separate from the printing machine (P). In order to rotate the unloading conveyor 60 as described above, the fixed boom 62a is rotatably fixed to the frame 10, and the frame 10 has an actuator for rotating the fixed boom 62a upward. 78) is installed. The actuator 78 uses a pneumatic cylinder or a hydraulic cylinder, and is extended by the compressed air or the hydraulic oil introduced to rotate the conveyor support boom 62 upwards.

Meanwhile, referring to FIGS. 1, 2, and 3, the unloading conveyor 60 is provided with a cardboard discharge control unit 80 that controls the discharge of the cardboard C being transferred. The corrugated cardboard discharge control unit 80 is disposed on the upper surface of the unloading conveyor 60 at an interval with the belt 66 and is vertically disposed along the supply amount adjusting plate 82 and the supply amount adjusting plate 82 along the unloading conveyor 60. It comprises a horizontal moving means for moving horizontally, and a vertical lifting means for vertically raising and lowering the supply amount control plate 82 up and down of the unloading conveyor (60).

The supply amount adjusting plate 82 is disposed perpendicular to the upper surface of the unloading conveyor 60 so as to receive and stack the cardboard C conveyed from the conveying conveyor 50 as shown in FIG. 3. In particular, the supply amount control plate 82 is disposed at a predetermined interval with the belt 66 so that the laminated cardboard (C) is transported while falling out from the bottom.

The horizontal moving means moves the supply amount adjusting plate 82 in the horizontal direction according to the size of the corrugated cardboard C conveyed from the conveying conveyor 50, and as shown in FIG. 2, on both sides of the unloading conveyor 60. Guide rails (84) are installed side by side, a movable rail (85), which is supported at both ends to be movable on the guide rail (84) while supporting the supply amount control plate (82), and a movable rail (85) And the exercise means 86 for exercising along 84. In particular, the movement means 86 is a screw feed shaft (86a) rotatably installed on one side of the guide rail 84, a drive motor (86b) for rotating the screw feed shaft (86a), along the screw feed shaft (86a) The screw moves, and consists of a moving nut (86c) fixed to the moving table (85).

When the horizontal movement means rotates the screw feed shaft 86a as the drive motor 86b, the moving nut 86c screwed to the screw feed shaft 86a moves while the screw moves, and the moving note 86c moves. Accordingly, the movable table 85 fixed to the movable nut 86c moves in the horizontal direction. As a result, as the movable table 85 moves horizontally, the supply amount adjusting plate 82 fixed to the movable table 85 moves horizontally.

On the other hand, according to the present invention, the movement means for moving the movable table 85 is provided only on one side of the movable table 85, which may cause imbalance. Therefore, a power transmission means for transmitting the driving force of the movement means to the other side of the movable table 85 is provided. The power transmission means includes rack gears 87 installed at each of the guide rails 84, and a pair of pinion gears installed at both sides of the movable table 85 so as to rotate while being engaged with the rack gears 87. And a connecting shaft 89 connecting the pair of pinion gears 88 so that the pair of pinion gears 88 are integrally rotated.

And the vertical lifting means for raising and lowering the supply amount control plate 82 is composed of a lift cylinder (90) as shown in FIG. The lift cylinder 90 is composed of a pneumatic cylinder or a hydraulic cylinder, and is elevated and contracted by the compressed air or pressure oil introduced to raise and lower the supply amount control plate 82 up and down. In particular, by adjusting the supply amount control plate 82 up and down, the distance to the belt 66 is adjusted.

According to the corrugated cardboard discharge control unit 80 having such a configuration, as shown in FIG. 3, by receiving the corrugated cardboard C transferred from the conveying conveyor 50 as a supply amount adjusting plate 82 and stacking it, the discharged from the bottom by , Cardboard (C) will be sequentially discharged. In particular, it is possible to adjust the discharge of the corrugated cardboard (C) by adjusting the interval between the supply amount adjusting plate 82 and the belt 66 through the vertical lifting means. Here, the cardboard discharge control unit 80 is configured to be controlled by the controller 18 installed in the frame 10.

Referring back to FIG. 1, the corrugated cardboard supply apparatus of the present invention includes a fall prevention means 100 that prevents the cardboard C to fall forward and fall as necessary.

The fall prevention means 100 is used when it is not necessary to turn over the cardboard (C), as shown in Figure 4 interfere with the upper side of the cardboard (C) erected by the tilting unit 40, the cardboard (C ) Interfering with the interference member 102 to restrain the forward fall, and the "interference position" (X) that interferes with the interference member 102 and the upper side of the cardboard (C) and "non-interference not to interfere with the cardboard (C) And movement means for exercising at position "Y".

The interference member 102 is a plate body capable of bending deformation, and one end is fixed to the upper portion of the frame 10. And the movement means, one end is rotatably supported on the upper portion of the frame 10, the other end to the operating rod 104 for supporting the interference member 102, and the actuator 106 for moving the operating rod 104 It is composed.

In particular, the actuator 106 is a pneumatic or hydraulic cylinder, the cylinder housing 106a is rotatably supported by the actuation rod 104, and the cylinder rod 106b is rotatably supported by the frame 10 and introduced or The working rod 104 is reciprocated while being stretched or shrunk by the discharged compressed air or the pressurized oil. Thus, the interference member 102 is moved to the "interference position" (X) and the "non-interference position" (Y).

The fall prevention means 100 is to prevent the cardboard (C) erected by the tilting unit 40 to fall forward and overturned, thereby causing the cardboard (C) to fall to the rear, thus the cardboard (C) is loaded Allow it to be discharged as is.

Next, the operation of the present invention having such a configuration will be described with reference to FIGS. 1 and 4. First, with reference to Figure 1 looks at the case of supplying the cardboard (C) upside down.

First, in order to turn over the cardboard C, the actuator 106 of the fall prevention means 100 is operated to move the interference member 102 to the "non-interfering position" (Y). Then, the controller 18 is used to operate the device. Then, the loading conveyor 20 is operated to introduce a pile of cardboard (C) from one side of the conveying conveyor (S). And when the stack of cardboard (C) is completely loaded to the upper surface of the loading conveyor 20 and seated on the support 30, the towing means 42 is operated to tilt the support (30).

On the other hand, when the support 30 is tilted downward toward the front, the cardboard (C) supported on the support 30 is turned over while falling forward in a vertically upright state, wherein the reversed cardboard (C) is the support ( The conveying cardboard 50 is transferred to the conveying conveyor 50 by the discharge conveyor 46 of 30, and the conveyed cardboard C is conveyed to the unloading conveyor 60 again.

And the corrugated cardboard (C) transferred to the unloading conveyor 60 is stacked in order while being supported on the feed amount adjusting plate 82. And the laminated cardboard (C) is transported to the end of the unloading conveyor 60, while passing through the supply amount control plate 82 by the belt 66 of the unloading conveyor 60, and transferred to the end Corrugated cardboard C is finally supplied to the printing machine P.

On the other hand, to adjust the amount of corrugated cardboard (C) discharged to the printing machine (P), the supply amount adjusting plate 82 is raised or lowered by the lift cylinder 90 of the cardboard discharge control unit 80. Then, the interval between the supply amount control plate 82 and the belt 66 is widened or narrowed, and thus the amount of corrugated cardboard (C) discharged between the supply amount control plate 82 and the belt 66 is adjusted. In addition, when the size of the corrugated cardboard (C) conveyed from the support 30 increases or decreases, the supply amount control plate 82 is horizontally adapted to the size of the corrugated cardboard (C) by the horizontal movement means of the cardboard discharge control unit (60) Move it.

Next, referring to FIG. 4, a case in which the cardboard C is supplied as it is without being turned upside down is as follows. First, the actuator 106 of the fall prevention means 100 is operated to move the interference member 102 of the "non-interfering position" (Y) to the "interfering position" (X). Then, the cardboard (C) is tilted by the tilting unit 40 is to interfere with the interference member 102 of the upper side to fall to the rear without falling forward. Therefore, the cardboard C is supplied to the printing machine P as it is, without being turned over.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

As described above, the corrugated cardboard supply apparatus for a printing press according to the present invention automatically flips the loaded corrugated cardboard as needed or supplies the printer as it is in a loaded state, thereby alleviating the trouble of manually turning the corrugated cardboard manually. In particular, it has the effect of increasing the production efficiency by automatically flipping the cardboard.

1 is a front view showing the configuration of a corrugated cardboard supply apparatus for a printing machine according to the present invention,

2 is a plan view showing the configuration of a corrugated cardboard supply apparatus for a printing machine according to the present invention,

3 and an enlarged view showing in detail the cardboard discharge control unit constituting the cardboard supply apparatus of the present invention,

Figure 4 is a view showing the operation of the cardboard fall prevention means constituting the cardboard supply apparatus of the present invention.

♣ Explanation of symbols for main part of drawing ♣

10: frame 20: loading conveyor

30: support 32: vertical support

34: horizontal support part 40: tilting unit

42: towing means 42a: fixed chain wheel

42b: moving chain wheel 42c: chain

42d: towing cylinder 44: link means

46: discharge conveyor 50: transfer conveyor

60: unloading conveyor 62a: fixed boom

62b: moving boom 70: moving means

72: screw feed shaft 74: drive motor

76: moving nut 78: actuator

80: cardboard discharge control unit 82: supply control plate

84: guide rail 85: mobile platform

86: movement means 86a: screw feed shaft

86b: drive motor 86c: moving nut

90: lift cylinder 100: fall prevention means

102: interference member 104: operating rod

106: Actuator

Claims (6)

A frame; A loading conveyor for loading a pile of cardboard; A support for supporting the pile of cardboard loaded on the loading conveyor; Tilting means for tilting the support so that the corrugated cardboard pile supported by the support is upright and then turned forward to fall; A discharge conveyor installed on the support to discharge the upset cardboard from the support; An unloading conveyor for discharging the cardboard conveyed from the discharge conveyor to a printing machine; Corrugated cardboard supply apparatus for a printing press, characterized in that it comprises a fall prevention means for preventing the fall of the corrugated cardboard to fall forward. The method of claim 1, The tilting means includes a towing means for towing the lower end of the support to the upper side, and the support to be lifted by the towing means lifts the upper end of the support to the frame so as to tilt forward. A link means for movably supporting, The towing means includes a fixed chain wheel installed on the frame, a movable chain wheel capable of moving up and down relative to the fixed chain wheel, one end of which is fixed to the frame, and the other end of which is fixed to the support. And a chain wound around the chain wheel and the fixed chain wheel in an S-shape, and a traction cylinder installed perpendicularly to the frame to pull the movable chain wheel downward. The method of claim 1, The fall prevention means may interfere with the upper side of the corrugated cardboard erected by the tilting means to prevent the corrugated cardboard from falling forward, and the interference position that interferes with the upper side of the corrugated cardboard and the corrugated cardboard does not interfere with the corrugated cardboard. Corrugated cardboard supply apparatus for a printing machine comprising a movement means for moving to a non-interfering position. The method of claim 3, wherein The interference member is a bending deformable plate body is fixed to the frame one end, the movement means is corrugated cardboard supply apparatus for a printer, characterized in that consisting of an actuator for moving the free end of the interference member. The method of claim 1, And a transfer conveyor for transferring the cardboard discharged from the discharge conveyor to the unloading conveyor. The method according to claim 1 or 5, Further comprising a cardboard discharge control unit for controlling the discharge of the cardboard discharged from the unloading conveyor, The corrugated cardboard discharge control unit includes a supply amount control plate disposed vertically at intervals from an upper surface of the unloading conveyor, horizontal moving means for horizontally moving the supply amount control plate along the unloading conveyor, and the supply amount control plate to the unloading conveyor. Corrugated cardboard supply apparatus for a printing press, characterized in that it comprises a vertical lifting means for vertically raising and lowering.