KR100670414B1 - Apparatus for the automatic supplying cardboard - Google Patents

Abstract

An apparatus for automatically supplying corrugated boards is provided to automatically supply the corrugated boards even when the corrugated boards are deflected by sequentially introducing the corrugated boards. An apparatus for automatically supplying corrugated boards includes a base frame(3), a front and rear transfer body(9), and a lift transfer body(17), an absorption unit, a push unit, an arrangement unit, and a pressing tension unit. The front and rear transfer body can be moved forward and rearward by the mutual operation of a front and rear lead screw, a handle, and a screw nut. The lift transfer body is moved upward and downward by a lift lead screw and a handle. The absorption unit sucks and raises the corrugated boards. The push unit catches the rear sides of the corrugated boards and pushes the corrugated boards toward a work table. The arrangement unit pushes one side of the corrugated board pushed toward a formation unit and positions the corrugated board at a proper position.

Description

Corrugated cardboard automatic feeding device {APPARATUS FOR THE AUTOMATIC SUPPLYING CARDBOARD}

1 is a perspective view of an installation state of the automatic cardboard supply device of the present invention,

Figure 2 is a perspective view of the automatic cardboard supply apparatus of the present invention,

3 is a front view of the present invention,

4 is a left side view of the present invention,

5 is a left side configuration diagram illustrating an operating state of the present invention.

The present invention relates to an automatic feeder for corrugated cardboard which is automatically fed sheet by sheet into a molding apparatus for molding a laminated cardboard into a box model of a desired standard after a printing operation is completed.

In general, the manufacturing method of the packaging paper box is primarily printed on the surface of the cardboard cut to a certain size advertising advertisements, figures, images, trademarks, and transfer the cardboard is printed to the front of the molding apparatus On a pallet or plywood stand.

The molding apparatus secondly forms the surface of the corrugated cardboard at predetermined intervals according to the desired specifications, thereby forming a developed view of the box. At this time, the molding operation of the cardboard is automatically made by the molding apparatus.

However, the operation of supplying the cardboard loaded on the front of the molding apparatus to the molding apparatus is a situation that usually depends on manual work.

Therefore, conventionally, the time and personnel required for supplying the corrugated cardboard are excessive when compared to other operations, which acts as a major cause of the decrease in productivity. In addition, the worker is standing all day to work, so the efficiency is reduced, the fatigue of the worker more accumulate, the accuracy is lowered, and even the risk of safety accidents.

As a prior art that solves some of these problems, there is a 'corrugated cardboard automatic supply device' of Patent No. 04316327 (2004. 05. 17).

The prior art is to be able to automatically put into each of the molding apparatus from the bottom sheet to the sheet from the corrugated cardboard placed on the conveyer of the main body after the printing operation is completed,

A cover provided in the table main body guides the front of the table one by one from the lowermost corrugated cardboard at a predetermined speed and sends the pair of up and down moving rollers and the corrugated cardboard mounted on the transfer table. The passed corrugated cardboard moves through the leaf spring fixed to the fixing bracket by the guide roller, and when the rear end of the corrugated cardboard reaches the leaf spring, the rear portion of the leading corrugated cardboard is raised by the elastic force of the leaf spring. Means for inserting the rear corrugated cardboard under the front corrugated cardboard, while the rear corrugated cardboard is advanced by the moving rollers and is folded into a part of the rear part of the leading corrugated cardboard. The corrugated cardboard of the rear end, which enters the inside of the molding machine by the guide roller and moves by the rotation of the moving roller, is temporarily caught by the pedestal connected to the tension adjusting bar due to the stop and at the same time by the rotation of the guide roller. It is configured to allow the rear corrugated cardboard to be repeatedly moved into the molding machine.

Corrugated cardboard automatic feeding device of the prior art can be automatically supplied to the molding apparatus in the state that there is no bending of the corrugated cardboard as an object. However, most of the corrugated sheet is bowed down to the center and both ends of the front and side view or warp in the wave state, in which case the cardboard is caught on the thickness adjustment slide, which makes the conveyance practically impossible This will occur.

The present invention is to solve the above-mentioned problems of the prior art, it is possible to supply automatically even in the bending state of the corrugated paper as an object, and also to safely and accurately and quickly automatically from a sheet of cardboard loaded on the elevator of the molding apparatus from above Its purpose is to allow input.

In order to achieve the above object, the present invention is to automatically put the corrugated cardboard laminated in the elevator of the molding apparatus to the work table; The main body is constructed by installing a basic base frame at the entrance of the molding apparatus, installing a forward and backward transfer body capable of moving forward and backward on the upper part of the basic base frame, and installing a lifting transfer body which is raised and lowered at the front and rear transfer body. ; An adsorption means is installed on the front of the lifting and transporting body to adsorb and lift the uppermost sheet from the corrugated cardboard sequentially raised by the elevator of the molding apparatus; It is characterized in that the push means is installed on the bottom surface of the lifting and transporting body to walk the back of the corrugated cardboard and push it toward the work table of the molding apparatus for automatic feeding.

In addition, in the present invention, by providing a peeling means using a fixing bracket on the front of the lifting transfer body, when the uppermost cardboard is adsorbed by the suction means, to prevent the lower cardboard is pulled up together; By arranging the alignment means using a square rod on the rear of the base frame, by pushing a side of the corrugated cardboard to be injected into the molding apparatus to position; In addition, the front side of the corrugated cardboard which is introduced into the molding apparatus by using the pressing tension member supported by the rectangular holding rod to prevent lifting.

The peeling means may be configured to further include a brush mounted using a brush support fixed to the fixed bracket, and an air brush mounted by the fixed bracket.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1 shows a structure in which the automatic cardboard supply apparatus of the present invention is installed in the molding apparatus, Figures 2 to 4 show the overall structure and front and left side structure of the present invention.

As can be seen from the figure, the automatic cardboard supply apparatus of the present invention is installed in contact with the inlet side of the molding apparatus (TD), this automatic cardboard supply apparatus is the elevator (1) of the molding apparatus (TD) after printing is completed Stacked on, and sequentially uploaded by the elevator to the corrugated cardboard (CB) from the top to each sheet can be automatically put into the molding work table (not shown) of the molding apparatus (TD).

At the position where the molding apparatus (TD) bites the paper, the proximity sensor is installed to reach a predetermined position and the front and rear cylinders are operated and supplied by the detection of the sensor.

To this end, the automatic cardboard feeder of the present invention is provided with a basic base frame (3) to embrace the elevator (1) installed at the inlet side of the cardboard forming apparatus (TD).

The basic baseframe 3 is to support each of the components of the present invention as a basic skeleton structure in the form of a box.

More specifically, the front and rear LM (Linear Motion) rails 5 are installed in the upper frame of the basic base frame 3 in the entry direction of the corrugated cardboard. The front and rear LM rails 5 are spaced at equal intervals, and two are installed, and a plurality of front and rear LM blocks 7 (usually four) which are engaged with the front and rear LM rails 7 are installed. Towed). That is, the front and rear transfer body 9 is integrally formed with the front and rear LM block 7.

Front and rear lead screws 11 are provided between the front and rear LM rails 5 for the forward and backward adjustment of the front and rear conveying body 9. The front and rear lead screws 11 are rotatably supported by the upper frame of the basic base frame 3 and are rotated by the front and rear handles 13. The front and rear lead screws 11 are coupled to the screw nuts 15, and the screw nuts 15 are fixed to the front and rear transfer bodies 9 integrally. Accordingly, when the front and rear screws 11 are rotated by operating the front and rear handles 13, the front and rear transfer bodies 9 integrally coupled with the screw nut 15 can be adjusted forward and backward.

The lifting transfer body 17 is supported on the front side of the front and rear transfer body 9 (rear side of the corrugated paper fed into the molding apparatus) so as to be adjustable up and down. For this purpose, the elevating LM rail 19 is installed in the front and rear conveying body 9, and the elevating LM block 21 is installed in the elevating transport body 17, and the elevating LM rail 19 and the elevating LM block 21 are installed therein. To engage with each other.

In addition, the elevating lead screw 23 is provided at an approximately intermediate position of the front and rear conveying body 9 for the up and down adjustment of the elevating conveying body 17. The lifting guide screw 23 is rotated by the lifting handle 25 installed at the upper end, thereby raising and lowering, and as a result, the lifting transfer body 17 supported at the lower end can be adjusted up and down. . The end of the elevating lead screw 23 is coupled to the elevating feed body 17, and at the same time, is rotatably installed by means such as a ball joint.

The lifting and lowering body 17 serves as a main body supporting the main part of the present invention in which the corrugated cardboard CB stacked on the elevator 1 is directly absorbed and introduced into the molding apparatus TD.

More specifically, the adsorption means for directly adsorbing and lifting the corrugated cardboard (CB) is provided on the front side of the lifting transfer body (17). As the suction means, a suction pad 27 mounted on the spring plunger 27a may be used. A plurality of suction pads 27 mounted on the spring plunger 27a are installed, and a support rod 29 is installed to mount them, and a lift cylinder fixed to the front side of the lift transfer body 17 is mounted on the support rod 29. Securely attach to the lifting rod end of (31).

Therefore, the suction pad 27 mounted on the spring plunger 27a is operated up and down by the lifting cylinder 31, and is connected to a vacuum generator (not shown) installed inside the lifting transfer body 17 to operate it. When the cardboard is seen from the front and side by the sag down from both sides of the center side or the bending occurs in the wave state, the adsorption pad 27 mounted on the spring plunger 27a easily absorbs and lifts the cardboard (CB) It is raised.

The bottom surface of the lifting transfer body 17 constitutes push means for hanging the corrugated cardboard CB lifted by the suction means and pushing it onto the work table of the molding apparatus TD. The push means uses a push chuck 33 to hold and push the rear of the corrugated cardboard (CB), the push chuck 33 is a push cylinder (mounted on the bottom of the lifting transfer body 17) ( By being fixed to the push rod end of 35, the cardboard (CB) is automatically injected by the reverse operation of the push cylinder (35).

The push chuck 33 is configured to include a hook member that catches the rear of the corrugated cardboard CB, and a spring that is installed to give a predetermined tension to the hook member.

The push means configured as described above may be installed as another installation example, by using a separate bracket on the rear side of the corrugated cardboard CB. In this case, as opposed to the above, the push chuck 33 pushes the cardboard CB by the forward operation of the push cylinder 35 to be automatically injected.

On the other hand, the automatic cardboard supply apparatus of the present invention is provided with at least one peeling means to prevent the lower cardboard (CB) is pulled up together when lifting the uppermost sheet of cardboard (CB) to the adsorption means .

As an example, the peeling means is provided with a fixing bracket 37 on the front side of the lifting transfer body 17, the pressing cylinder 39 is mounted on the fixing bracket 37, the rod of the pressing cylinder 39 It can be configured by attaching the push pad 41 to the end.

The press cylinder 39 is operated when the uppermost cardboard (CB) is lifted by the adsorption means, wherein the pressing pad 41 is pushed and lowered in a predetermined inclination direction, while pressing the lower cardboard (CB) to be fixed. It is done. In addition, the pressing pad 41 is to prevent the flow by pressing the lower cardboard (CB) even when the cardboard (CB) is injected into the molding apparatus (TD) by the push means.

In addition, the peeling means includes at least two brushes 43 and a brush support 45 are installed at a fixed interval on the fixed bracket 37. The brush 43 prevents the lower cardboard CB from being pulled up while maintaining the state directly in contact with the rear end of the cardboard CB sequentially raised by the elevator 1.

As another means, there is an airbrush 47 supported by the fixing bracket 37. The air brush 47 blows air on the upper laminated portion of the cardboard CB sequentially raised by the elevator 1 to peel off the cardboard CB adsorbed from the top and the cardboard below. An air compressor (not shown) for supplying air to the air brush 47 may be installed outside the base frame 3.

Corrugated cardboard automatic supply device of the present invention configured as described above is provided with a separate alignment means for the automatic alignment of the cardboard (CB) is introduced into the molding apparatus (TD). If the cardboard (CB) is injected into the molding apparatus (TD) is not kept in place, the defect of the molding operation occurs.

Alignment means is installed on the rear side of the cardboard (CB) is inserted and the inlet side of the molding apparatus (TD), so that one side of the cardboard (CB) to be aligned in position by being in close contact with the guide of the molding apparatus (TD) do.

To this end, in the present invention, a separate rectangular holding rod (49) is fixedly installed on the rear of the base base frame (3), and left and right LM blocks (50b) coupled with left and right LM rails (50a) on the rectangular holding rod (49). ), The square plate 52 is seated on the upper left and right LM block 50b, and the ball screw unit 55 is installed on the square plate 52 and coupled with the ball screw 51.

The ball screw 51 is fixedly attached to the square support bar 49 and the base frame 3 by bearings, and an adjustment handle 53 is installed at the end of the ball screw 51, and the lower portion of the square plate 52 is provided. As the alignment means of the present invention, an alignment cylinder 57 and an alignment pad 57a are provided.

According to this configuration, the alignment cylinder 57 is moved left and right by the operation of the adjusting handle 53, and waits while being aligned with the cardboard CB, and the cardboard CB is fed into the molding apparatus TD. When that is done, the alignment is done by pushing one side. The alignment cylinder 57 may be selectively installed on the left or right side of the corrugated cardboard CB.

In addition, the alignment means may be provided with a pressing tension member 59 in order to prevent the front lifting of the cardboard (CB) is introduced into the molding apparatus (TD). The pressing tension member 59 is fixed to the rear of the square plate 52 to move left and right by the operation of the adjustment handle 53, is formed to be inclined downward to always press the cardboard (CB) to prevent lifting.

In addition, the automatic corrugated cardboard feeder of the present invention is provided with a guide rod 61 to guide the corrugated cardboard (CB) sequentially raised by the elevator (1).

5 shows an operating state of the present invention.

Corrugated cardboard automatic feeding device of the present invention is subjected to the step of setting in accordance with the height and front and rear width of the cardboard (CB) laminated on the elevator (1) of the molding apparatus (TD).

This setting step is to adjust the lifting transfer body 17 by operating the lifting handle 25, so that the adsorption pad 27 is positioned at a constant distance from the uppermost corrugated cardboard (CB). In addition, by adjusting the front and rear transfer body 9 by operating the front and rear handles 13, the push chuck 33 of the push means is coincident with the rear end of the cardboard CB.

In addition, in the setting step, the alignment cylinder 57 and the pressing tension member 59 of the alignment means are fixed at a desired position.

When the setting is completed, the power supply is supplied to the automatic cardboard supply device of the present invention, and in the manual mode by operating the individual switches of the components to check for any abnormality, all operations are made in the control box, if there is no error The mode switches to normal operation.

In the initial stage of operation, the lifting cylinder 31 of the suction means, the push cylinder 35 of the push means, and the alignment cylinder 57 of the alignment means are in the reversed state, and the push cylinder 39 of the peeling means is in the advanced state. Bye bye.

Subsequently, when the operation starts, the lifting cylinder 31 of the suction means is moved forward and downward, and the suction pad 27 sucks the cardboard CB at the vacuum pressure generated by the vacuum generator, and the lifting cylinder 31 moves backward. Is raised. Simultaneously with the forward and downward movement of the lifting cylinder 31, the pushing cylinder 39 is reversed, and at the same time as the lifting cylinder 31 rises, the pressing cylinder 39 moves forward to prevent the lower corrugated cardboard CB from rising up. .

At this time, the push cylinder 35 of the push means advances and is supported by the corrugated cardboard CB by the push chuck 33, and at the same time, the vacuum pressure of the suction pad 27 is released, and then the push cylinder 35 is While reversing, the cardboard CB is introduced into the work table of the molding apparatus TD.

Subsequently, the alignment cylinder 57 of the alignment means is advanced to push the side surface of the cardboard CB to a predetermined pressure so as to be aligned with the guide of the molding apparatus TD. In addition, by pressing the front of the corrugated cardboard (CB) to which the pressing tension member 59 is supplied to prevent lifting.

Then, the automatic cardboard supply apparatus of the present invention is in the initial operation state, and performs the automatic supply of repetitive cardboard (CB).

As can be seen through the configuration and operation described above, the automatic corrugated cardboard supplying apparatus of the present invention can automatically and securely and quickly supply the corrugated cardboard loaded on the elevator of the molding apparatus sheet by sheet from above.

In addition, according to the present invention by inserting the corrugated cardboard sequentially from the top by the suction means, the push means, the peeling means and the alignment means, it is possible to obtain an effect that can be automatically supplied even in the bending state of the cardboard.

Claims (3)

For laminating the corrugated cardboard, which is printed, on the elevator of the molding apparatus, and automatically inserting the corrugated cardboard to the working table of the molding apparatus. A basic base frame installed at an inlet side of the molding apparatus; Front and rear transfer body is installed using the front and rear LM rail and the front and rear LM block coupled to the base base frame, and configured to be forward, backward by the interaction of the front and rear lead screw, the handle and the screw nut; An elevating transfer body installed using the elevating LM rail installed in the front and rear conveying body and the elevating LM block coupled thereto, and being elevated and lowered by the elevating lead screw and the handle; A suction cylinder fixed to the front of the lifting transfer body and a suction pad mounted to a spring plunger at an end of the lifting rod of the lifting cylinder, for absorbing and lifting the rear side of the corrugated cardboard sequentially raised by the elevator; A push cylinder fixed to a bottom surface of the lifting transfer body and a push chuck mounted to an end of the push rod of the push cylinder to push the back of the corrugated cardboard and push it toward a work table of a molding apparatus; Left and right LM rail mounted left and right on a rectangular support rod fixed to the rear of the basic base frame, left and right LM block coupled to the left and right LM rail, a square plate installed on the left and right LM block, and the rectangular support rod And a ball screw rotatably mounted to the base frame, an adjustment handle installed at an end thereof, a ball screw unit coupled to the ball screw, an alignment cylinder mounted below the square plate, and an alignment pad. Alignment means for pushing and positioning one side of the cardboard to be pushed toward the molding apparatus Corrugated cardboard automatic supplying apparatus including a pressing tension member mounted on the upper side of the ball screw nut to prevent lifting by pressing the front of the cardboard to be introduced into the molding apparatus. The apparatus for automatically supplying corrugated cardboard according to claim 1, wherein the push cylinder constituting the pushing means is installed on the back of the corrugated cardboard using a separate bracket. The apparatus of claim 1, wherein the peeling means further comprises a brush mounted by using a brush support fixed to the fixing bracket, and an air brush mounted by the fixing bracket.

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