JP3081608U - Corrugated paper transport device - Google Patents

Abstract

(57) [Summary] An object of the present invention is to provide a corrugated paperboard conveying device capable of smoothly conveying corrugated paperboard at an appropriate speed even if there is a difference in thickness of corrugated paperboard. A vertical endless belt (2, 2 ') driven by a motor (M) sandwiches a lower edge of corrugated paper (W) from both sides,
In the corrugated paperboard conveying device 1 for running the corrugated paperboard W upright, a plurality of rollers 7, 7 'are juxtaposed on each back side of the endless belts 2, 2', and a plurality of rollers on one side among them. Reference numeral 7 'is attached to each end of a plurality of levers 10 rotating around a shaft 12, and a torsion coil spring 11 is wound around the shaft 12, and urged by the torsion coil spring 11. The endless belts 2 rotate uniformly, and the endless belts 2 ′ uniformly press the corrugated paper W by the rollers 7 ′ at the respective ends constantly pressing the endless belt 2 ′ from behind. Thus, a corrugated paperboard conveying device 1 characterized in that it is configured to be smoothly conveyed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 For example, in the process of printing product information such as a bar code on the surface of a packaging material such as corrugated cardboard or paperboard by an ink jet printer, the present invention accurately grasps corrugated paperboard, paperboard, etc. The present invention relates to a corrugated paperboard conveying device for running at a high speed.

[0002]

[Prior art]

 In the conventional corrugated paper transporting device, each roller on the back side of the endless belt on both sides that sandwiches the corrugated paper is fixed by a fixed shaft. A configuration is adopted in which the gripping force has a certain width by forming protrusions on the surface of the endless belt. A similar prior art document is Japanese Patent Application Laid-Open No. Hei 6-183591, entitled "Endless belt for transporting paper sheets". The content of the paper is a paper that requires the precision of recent OA equipment. It relates to an endless belt for transporting leaves, and describes in detail the form, material, dimensions, friction coefficient, etc. of the skin of the endless belt.

[0003] Japanese Patent Application Laid-Open No. Hei 10-181823 discloses a title "Vertical Belt Conveyor Apparatus". The content of the invention is that a plurality of press rollers are arranged on the outer surface of the belt at predetermined intervals when a conveyed object made of loose material is conveyed while being pinched on a vertical or steep slope by an endless double belt. Then, the holding roller is pressed and oscillated from the outer surface side by a supporting mechanism including a fluid pressure cylinder and a coil spring, so that the conveyed object is conveyed without causing a load without causing a load overflow.

[0004]

[Problems to be solved by the invention]

 However, in the invention disclosed in Japanese Patent Application Laid-Open No. HEI 6-183591 in which protrusions are formed on the surface of the endless belt to provide a coefficient of friction and elasticity, the object to be conveyed is OA equipment, paper sheets in financial institutions, and the like. However, as in the present invention, there is a difference in the thickness of the corrugated paper that has been cut and folded before being assembled as a box, and there is a limit to the adjustment using only the endless belt.

The invention using a pressing roller disclosed in Japanese Patent Application Laid-Open No. H10-181823 is also common in that the outer surface of an endless belt is pressed by a roller to pinch a conveyed object, but the conveyed object is different. This is a device for evenly leveling the conveyed material in the belt by oscillating the pressing roller.In contrast, in the case of the present invention, for example, corrugated paper is used in an ink jet printing process or the like. The invention and the present invention have completely different configurations and intended uses because they are required to travel in an upright state facing the inkjet printing machine and to be transported at a uniform speed. Is what you do.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is characterized in that two endless belts 2, 2 ′ of a vertical surface driven by a motor M sandwich a lower edge of corrugated paper W from both sides, and In the corrugated paper transporting apparatus 1 in which the W travels upright in the ink jet printing process 21 and the like, a plurality of rollers 7, 7 'are juxtaposed on each back side of the two endless belts 2, 2'. A plurality of rollers 7 ', 7',... On one side are axially fixed to respective distal ends of a plurality of levers 10, 10,. The torsion coil springs 11, 11, ... are wound around the shafts 12, 12, ... and the rods 10, 10, ..., which are urged by the torsion coil springs 11, 11, ... The rollers 7 ′, 7 ′,... At the tip end are always kept behind the endless belt 2 ′. By moving the pressing, the endless belt 2, 2 'are homogeneously sandwich the corrugated paper W, is obtained by a cardboard conveyance apparatus 1, characterized in that a smoothly carrying structure.

[0007]

[Embodiment of the invention]

 Hereinafter, the corrugated paperboard conveying device 1 according to the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a corrugated paper transport apparatus 1 according to the present invention, showing a state in which an endless belt 2 and an endless belt 2 'are in close contact with each other when the corrugated paper W does not travel. FIG. 2 is a plan view of the endless belt 2 ′ which is partially broken away, and the corrugated paper W is not shown. , 2 '. FIG. 3 shows an embodiment in which the present invention is incorporated in an ink jet printing process 21 which is one embodiment of the corrugated paper transport apparatus 1 of the present invention. FIG. 4 is a view of the corrugated paperboard conveying apparatus 1 of the present invention as viewed from the running direction. FIG. 5 is a diagram showing the configuration of one unit of the rod 10, the roller 7 'and the torsion coil spring 11 of the corrugated paperboard conveying device 1 of the present invention.

[0008] The corrugated paper transport device 1 of the present invention is in an era in which all kinds of products are recently packed and distributed in a corrugated cardboard box, and a beautiful cardboard box printed in consideration of the design is used for household electric appliances and the like. However, there is a reality that vegetables and machine parts that are not consumer goods cannot be added to that much value.Even in such a case, barcodes and minimal product information must be displayed on cardboard boxes. However, in this case, it is necessary to eject and fly charged ink droplets from the ink jet printer 22 and print the necessary product information on the surface of the corrugated paper W instantly.

Therefore, the corrugated paper W must travel at right angles to the nozzles of the ink jet printer 22 and be transported smoothly at a high speed. Moreover, the corrugated paper W is already cut and folded into the shape of a corrugated cardboard box of a predetermined size, and when the corrugated paper W is gripped and transported by the endless belts 2 and 2 ′ of the corrugated paper transport device 1, The thickness of the corrugated paper W was different, and a corresponding means was required.

Therefore, in the present invention, as shown in FIGS. 1 to 5, two vertically endless belts 2 and 2 ′ driven by the motor M sandwich the lower edge of the corrugated paper W from both sides. The corrugated paperboard W is run upright in the ink jet printing process 21 or the like. In the corrugated paperboard conveying device 1, a plurality of rollers 7, 7 'are provided on the back side of the two endless belts 2, 2'. The rollers 7 ′, 7 ′,... Of one side are axially secured to the respective ends of a plurality of levers 10, 10,. The torsion coil springs 11, 11, ... are wound around the shafts 12, 12, ..., and the rods 10, 10, ..., which are urged by the torsion coil springs 11, 11, ... Rollers 7 ', 7', ... at the tip of the endless belt 2 ' The endless belts 2 and 2 'are configured to uniformly hold the corrugated paper W by rolling and pressing, and smoothly convey the corrugated paper W. The endless belt 2 'on one side gripping the paper W and the rollers 7', 7 ',... Advance and retreat toward the corrugated paper W according to the thickness of the corrugated paper W, and have an appropriate pressing force. This allows the corrugated paper W to be gripped and allows the corrugated paper W to travel smoothly at high speed.

As shown in FIGS. 4 and 5, one ends of the rods 10, 10,... Are rotatably mounted on shafts 12, 12,. A roller is rotatably fixed to the tip of the shaft, and the torsion coil springs 11, 11,... Are also wound around the heads of the shafts 12, 12,. , And the other beard is hung on one side of each of the spring locking rods 13, 13,..., And the two torsion coil springs 11, 11,. When the angle of expands or contracts, it is lightly touched so that it can slide freely. When the endless belt 2 'and the rollers 7', 7 ',... Are retracted due to the thickness of the corrugated paper W, the respective rods 10, 10, urged by the torsion coil springs 11, 11,.・ ・ Rotate in conjunction with it, and restore again. Reference numeral 4 in the figure is a belt tensioner.

FIG. 3 shows an embodiment incorporated in an ink jet printing process 21 according to an embodiment of the present invention. At the same time, the entire arrangement of the corrugated paperboard conveying device 1 is also shown. ing. When the motor M is started, the endless belts 2, 2 'are driven via the transmission chain 14 and the pulleys 6, 6, and a plurality of endless belts 2, 2' are disposed in contact with the rear sides of the two endless belts 2, 2 '. The rollers 7, 7,..., 7 ′, 7 ′,. On the back side of the two endless belts 2, 2 ', a ridge 3 is provided. On the other hand, each roller 7, 7' is divided into upper and lower two, and grooves 8, 8, ... are formed therebetween. The protrusions 3, 3 of the endless belts 2, 2 'are fitted therein to prevent the endless belts 2, 2' from coming off the rollers 7, 7 'during sliding. The lower edge of the corrugated paper W is gripped from both sides by the two endless belts 2 and 2 ', and the upper edge is lightly held by the guide rail 15. The corrugated paper W runs in the direction of the arrow in the figure. .

Reference numeral 16 denotes a guide rail height adjuster, reference numeral 17 denotes a photoelectric sensor, reference numeral 18 denotes a controller box, and reference numerals 19 and 20 denote a base and an upper table. The use of the corrugated paper transport device 1 according to the present invention is not limited to the use in the ink jet printing process 21 alone, and the purpose of use is not limited as long as the corrugated paper is transported upright.

[0014]

[Effect of the invention]

 In the corrugated paperboard conveying device according to the present invention, the roller on one side presses the running endless belt from the back side with an appropriate pressure by the bias of the torsion coil spring, so that the endless belt homogenizes the corrugated paperboard. Smooth and stable transfer of corrugated paper that can be gripped and suitable for ink-jet printing, etc., and can run flexibly without stagnation even if there is a difference in the thickness of cardboard to be handled. It has the effect of being able to perform.

[Brief description of the drawings]

FIG. 1 is a plan view of a cardboard paper conveying device of the present invention;
FIG. 4 is a diagram illustrating a state in which two endless belts are in close contact with each other when the corrugated paper is not running.

FIG. 2 is a plan view of a part of the corrugated paper conveying device of the present invention, showing a state in which a gap between two endless belts is greatly expanded when a corrugated paper (not shown) is sandwiched. FIG.

FIG. 3 shows an embodiment of the corrugated paperboard conveying device of the present invention, in this case, a state in which it is incorporated in an ink jet printing process.

FIG. 4 is a diagram illustrating a state in which two endless belts sandwich the corrugated cardboard as viewed from the traveling direction of the corrugated cardboard conveying device of the present invention.

FIG. 5 is a view showing the configuration of one unit of a rod, a roller, and a torsion coil spring portion of the corrugated paperboard conveying device of the present invention.

[Explanation of symbols]

 W Corrugated paperboard M Motor 1 Corrugated paperboard conveying device 2, 2 'Endless belt 3 Ridge 4 Belt tensioner 6 Pulley 7, 7' Roller 8 Groove 9 Ball bearing 10 Pillar 11 Torsion coil spring 12 Shaft 13 Spring locking rod 14 Transmission Chain 15 Guide Rail 16 Guide Rail Height Adjuster 17 Photoelectric Sensor 18 Controller Box 19 Base 20 Upper Table 21 Inkjet Printing Process 22 Inkjet Printer

Claims (1)

[Utility model registration claims] 1. A vertical endless belt (2, 2 ') driven by a motor (M) sandwiches a lower edge of a corrugated paper (W) from both sides to erect the corrugated paper (W). In the corrugated paper conveying device 1 which travels in the ink jet printing process 21 or the like in a state, a plurality of rollers (7, 7 ') are arranged in parallel on the back side of each of the two endless belts (2, 2'). A roller (7 ') on one side is fixed to each end of a plurality of levers (10) rotatable by a shaft (12), and a torsion coil spring (11) is attached to the shaft (12). And the roller (7 ') at the tip of the rod (10) urged by the torsion coil spring (11) constantly rolls and presses the back surface of the endless belt (2'). The endless belt (2,
2 ') is a configuration in which the cardboard paper (W) is uniformly sandwiched and smoothly transported.