KR102152102B1 - Pad printing device for pallet - Google Patents

Abstract

The present invention relates to a pad printing apparatus for a pallet. More specifically, the present invention relates to the pad printing apparatus for the pallet including a pallet supply unit, a direction change unit, and a printing unit, wherein a first flame treatment member heats both sides of the pallet at the pallet supply unit to firstly arrange, and when a moving direction of the pallet is changed by the direction change unit, a second flame treatment member arranges the other two side surfaces of the pallet again, and is provided with a rotating unit which rotates the pallet in the printing unit and is configured to print on all four side surfaces of the pallet.

Description

Pad printing device for pallets{PAD PRINTING DEVICE FOR PALLET}

The present invention relates to a pad printing apparatus for pallets, and more particularly, consisting of a pallet supply unit, a direction change unit, and a printing unit, wherein the first flame treatment member heats both sides of the pallet at the pallet supply unit to first arrange and change the direction. When the moving direction of the pallet is changed by the part, the second flame treatment member arranges the other two sides of the pallet again, and furthermore, it is made to improve the print quality by burning oil during printing, and the printing part rotates the pallet. The present invention relates to a pad printing apparatus for pallets, which is provided with a rotating unit to enable printing on all four sides of the pallet.

A pallet is for transporting a specific item in a certain unit of loading, and a rectangular panel on which the item is placed is formed, and the fork of a forklift can be placed in the lower left and right directions and the front and rear directions of the panel. Each outlet is formed so that items can be loaded on the upper part of the panel, and then the fork of a forklift is inserted into the one inlet to lift and transport the panel.

As a related prior art, there is Registration Patent No. 10-1784836 "Automatic pallet braking device", which is composed of an upper plate, an intermediate bar and a lower plate, and classified into a light type or a heavy type according to the width and distance of the upper plate. In the automatic manufacturing apparatus of the pallet, which is fixed to the ground, the main frame portion having a seating rail on which the upper plate, the middle bar, and the lower plate are seated; A tablet press transfer unit provided with an upper tablet press for fixing the upper plate and the intermediate bar seated on the seating rail, and a lower plate tablet press for fixing the intermediate bar and the lower plate so as to move in the front and rear direction along the main frame; A pallet dispensing unit provided in the tableting machine transfer unit and configured to move the pallet to the rear side of the main frame unit by interference with the pallet when the pallet is stretched and contracted by the first upper and lower cylinder to move the tablet to the rear of the tablet press transfer unit; A lower plate jig provided where the main frame part is pressed and rotatably coupled to the withdrawal rail to guide the arrangement position of the lower plate 30 of the pallet, one side is fixedly installed on the withdrawal rail, and the other side is coupled to the lower plate jig. A lower plate guide comprising an elastic member for providing an elastic force to the jig so that the lower plate jig rotates at a point where the lower plate jig is coupled with the withdrawal rail to a rotation point, and a locking jaw for limiting a rotation range of the lower plate jig by the elastic member; An upper plate arranging unit disposed above the lower plate guide unit to guide an arrangement position so that an interval between the upper plate and the upper plate corresponding to the pallet type is uniformly arranged; And a control unit for controlling driving of the tablet press transfer unit, the pallet take-out unit, the lower plate guide unit and the upper plate arrangement unit.

In the same manner as in the prior art, traditionally widely used wooden pallets have an advantage in terms of cost, but they are easily damaged and have a short usable period, and it is difficult to maintain hygiene, so that in applications where hygiene is important, such as food, Its usefulness is limited. Accordingly, a wide variety of plastic materials are used to manufacture pallets in place of the conventional wooden pallet. Plastic pallets can be easily molded, are stronger and lighter than wooden pallets, and are suitable for hygienic use. As they are manufactured through an injection molding method, manufacturing convenience can also be improved.

As a related art, there is registered patent No. 10-0415967 "A method for manufacturing a blow-integrated pallet, an apparatus for forming the same, and a pallet manufactured by the above method and apparatus."

The prior art is a disadvantage of the existing wood and plastic pallets, which are easily damaged and decayed by moisture, which is weak in durability, and the impact on environmental pollution (secondary pollution) due to waste generation due to difficulty in recycling, In addition, due to the handling characteristics of the existing steel pallet, there was a problem that it was necessary to prevent slipping and attach irregularities, so the disadvantages of these existing pallets were compensated, especially the brittleness of plastic injection products and the problem of being weak against moisture in the wooden pallet. It is a technology related to a blow-integrated pallet with high density and high strength, which is lighter than pallets, has combustion resistance, and is environmentally friendly.

However, when manufactured by using a molding method such as blow or injection through a mold as in the prior art, there is a problem that a joint is formed between the mold and the mold, and the manufacturer and the product mounting direction are displayed on the outer surface of the pallet. It is necessary to do this, and conventionally, such a pattern has been protruded by an injection method, but this has a problem in that the discrimination power is lowered.

Therefore, the present invention was devised to solve the above problem,

Consisting of a pallet supply part, a direction change part, a printing part, and a flame treatment means, heat is applied to the side of the formed pallet to remove debris, but the direction change part changes the moving direction of the pallet to apply heat to all edges. , The purpose of the printing unit is to provide a pallet pad printing device designed to easily print a desired pattern on each rim by providing a rotating unit to rotate the pallet by 90 degrees.

In addition, an object of the present invention is to provide a pad printing apparatus for a pallet that includes an elevating member in the direction changing unit to lower the incoming pallet and to be seated on the second transfer member, thereby preventing the lower part of the pallet from being swept when the direction is changed.

Further, another object of the present invention is to provide a pallet pad printing apparatus capable of continuously printing by arranging the printing units multiple times in parallel or serially and operating fluidly according to the supply amount.

In order to achieve the above object, the pad printing apparatus for a pallet according to the present invention

A pallet supply unit in which the molded pallet is seated by the transport arm and provided with a first transport member for transporting the seated pallet;

A direction changing unit provided with a second transfer member for transferring the pallets mounted in a direction perpendicular to a direction in which the pallets transferred from the pallet supplying part are seated;

A printing unit that prints a pattern on both sides of the pallet transferred from the direction change unit, a rotation unit that rotates the lower part of the pallet by 90 degrees so that the printing unit prints a pattern on both sides of the pallet, and a pattern on the side A printing unit provided with a third transfer member for transferring the printed pallet to the discharge unit;

When the pallet is formed, the formed waste is removed using heat, and a first flame treatment member is provided in the pallet supply unit to heat both sides of the pallet, and a first flame treatment member is provided in the direction changing unit to control other both sides of the pallet. Flame treatment means comprising a second flame treatment member for heating;

It characterized in that it comprises a.

As described above, the pad printing apparatus for pallets according to the present invention

The molded pallet is seated, the pallet supply unit with the first transfer member, the direction change unit with the second transfer member to change the transfer direction of the pallet, and the printing of a pattern on the edge of the pallet whose transfer direction is changed. It consists of a printing unit, but is further provided with a flame treatment means for removing the debris generated during molding by applying heat in the lateral direction of the pallet, there is an effect that the finish and printing of the formed pallet can proceed continuously.

In addition, as the oil on the surface is removed by the flame treatment means, it is possible to improve adhesion and fixing power of printed materials during printing.

In addition, in the first transfer member and the second transfer member in which the pallet is transferred in different directions, the first transfer member is provided at a higher position than the second transfer member, so that the lower part of the pallet is separated by friction with the second transfer member. As the elevating member is further provided to prevent this from occurring and to prevent the pallet from falling, there is an effect of preventing impact and friction from being applied to the outer surface of the pallet.

In addition, as the printing unit further includes a rotating unit that rotates the pallet by 90 degrees, it is possible to print a pattern on all edges of the pallet through the printing units provided on both sides, thereby enhancing work convenience,

By configuring the printing unit with a plurality of printing units, it is possible to improve productivity and work speed by making it possible to respond to the supply speed and the amount of work.

1 is a plan view of a printing apparatus according to the present invention
2 is a plan view of a supply unit and a direction change unit of the printing apparatus according to the present invention
3 is a detailed view of flame treatment means used in the printing apparatus according to the present invention
Figure 4 is a side view of the printing unit of the printing apparatus according to the present invention
5 is a photographic view of a printing apparatus according to the present invention
6 is a detailed view of the printing unit of the printing apparatus according to the present invention
7 is a photographic view of the printing unit of the printing apparatus according to the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention will be described in detail in the text of the bar, implementation (態樣, aspect) (or embodiment) that can apply various changes and can have various forms. However, this is not intended to limit the present invention to a specific form of disclosure, and it should be understood that all changes, equivalents, and substitutes included in the spirit and scope of the present invention are included.

In each drawing, the same reference numerals, in particular the number of tens and ones, or the same number of tens, ones, and alphabet indicate members having the same or similar functions, and unless otherwise specified, each of the drawings The member indicated by the reference number can be identified as a member conforming to these criteria.

In addition, the components in each drawing are expressed by exaggeratingly large (or thick) or small (or thin) or simplified the size or thickness in consideration of the convenience of understanding, but this limits the scope of protection of the present invention. It shouldn't be.

The terms used in the present specification are only used to describe specific embodiments (sun, 態樣, aspect) (or examples), and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as ~include~ or ~consist~ are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance the possibility of being added.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

The pad printing apparatus (D) for a pallet (P) according to the present invention includes a pallet supply unit (10), a direction change unit (20), a printing unit (30) and a flame treatment unit (40), as shown in FIG. The pallet (P) manufactured by injection molding is discharged through sequentially passing through the pallet supply unit 10, the direction change unit 20, and the printing unit 30, so that the finish and the pattern will be printed on the side. It characterized in that it is made to be able to.

If described in more detail with reference to FIGS. 1 and 2 based on the conveying direction of the pallet (P), the pallet supply unit 10 refers to a part where the molded pallet (P) is transported and seated by a transport unit. As a result, the first outer wall portions 11 are formed on both sides to prevent the pallet P from falling during transport, and the bottom consists of the first transport member 13 so that the pallet P is the first transport member 13 ) It is made to be seated on the top.

More specifically, the first transfer member 13 is made of a roller, a plurality of the pallet supply unit 10 is provided to be spaced apart from each other, and the seated pallet by rotation of the first transfer member 13 It is made so that (P) can be transferred in one direction.

The pallet (P) is transferred from the pallet supply unit (10) to the direction change unit (20) by the first transfer member (13), and the direction change unit (20) is used to change the transfer direction of the pallet (P). Wherein, the pallet (P) is prevented from being separated from the outside through the second outer wall portion 21, and a plurality of second transfer members 23 having the same shape as the first transfer member 13 are provided apart, It is characterized in that it is arranged in a direction orthogonal to the first transfer member (13).

That is, a direction in which the first transfer member 13 transfers the pallet P and a direction in which the second transfer member 23 transfers the pallet P are made in a direction perpendicular to each other.

The direction change unit 20 is a place to change the transport direction of the pallet P, which is to remove the debris remaining on the outer surface of the pallet P by the flame treatment means 40 to be described later, which It will be described in more detail below.

Again, the pallet P whose transfer direction is changed by the direction change unit 20 is moved to the printing unit 30 by the second transfer member 23, that is, the second transfer member 23 made of rollers. , In the printing unit 30, patterns, letters, and marks to be printed are printed on the side of the pallet P.

Specifically, as shown in Figs. 4, 6 and 7, printing units 31 are further provided on both sides of the printing unit 30, the printing unit 31 including a robot arm 311 The printing unit 31 is configured to print on both sides of the pallet P transferred by the printing operation of the robot arm 311.

When the printing unit 31 is described in more detail, the printing unit 31 may be printed on the side of the pallet P by smearing ink provided in the ink impregnating unit 313 and the ink impregnating unit 313. It is made of a robot arm 311 having a printing pad 315 made of a material such as sponge, rubber, silicone, etc.

The robot arm 311 is composed of a printing arm capable of rotating and advancing/reversing, and a fixed arm fixing the same, and the ink impregnating part 313 is located at the lower part, and the ink impregnating part at the lower part of the printing arm After the printing pad 315 is buried on 313, the ink is rotated to the side of the pallet P to print the buried ink on the pallet P.

In addition, the pallet (P) is made of a quadrangular shape, so even if the printing unit 31 is provided on both sides of the printing unit 30, a side that is not printed occurs, and accordingly, the present invention rotates. The unit 37 is further provided, and the pallet P is rotated by 90 degrees in the printing unit 30 so as to print on both unprinted sides.

As shown in FIGS. 6 and 7, the rotating unit 37 includes an elevating cylinder 375 provided under the printing unit 30 to enable elevating and descending, and an upper portion of the elevating cylinder 375. It is made of a rotary motor provided in the rotary motor and rotated by the rotary motor, and is made of a rotary plate 371 configured to support the lower surface of the pallet P, and a non-slip member 373 is further disposed on the rotary plate 371 It is provided, in supporting the lower surface of the pallet P, it is made to give a more sense of stability.

When describing the operation of the rotating unit 37 in more detail, the rotating plate 371 is elevating and descending so as to protrude above the printing unit 30 by the elevating cylinder 375, and the rotation As rotation is possible by a motor, the lower surface of the pallet P is lifted and rotated, and then lowered so that the pallet P can be seated on the printing unit 30, the printing unit 31 It is possible to print on the other side of the pallet (P) that has not been printed.

In addition, in the present invention, in order to increase the efficiency of work, a plurality of the printing units 30 are arranged in series or in parallel, and this means that when the amount of work, that is, the supply of the pallet P is high, the printing unit 30 is This is to ensure that all of them are operated to handle the supply amount, and furthermore, when one of the printing units 30 is maintained and repaired, the other printing units 30 are operated so that the work can be continuously performed.

In addition, as shown in Fig. 7, the printing unit 30 is provided with a plurality of third transfer members 33, and the rotation plate 371 is moved in the same manner as the third transfer member 33. The auxiliary transfer member 35 is further provided and is configured to give a sense of stability when transferring the pallet (P).

In addition, the present invention further comprises a flame treatment means 40, so that the debris remaining on the outer surface of the pallet P can be melted and removed, wherein the flame treatment means 40 is provided in the pallet supply unit 10 Includes a first flame treatment member 41 for heating both sides of the pallet P, and a second flame treatment member 42 provided in front of the printing unit 30 to heat the other two sides of the pallet P. It characterized in that it is made by doing.

First, each flame treatment member of the flame treatment means 40 is a fuel supply pipe 45 for supplying fuel such as gas, oil, etc. so that the flame can be melted and removed instantaneously by spraying a flame, as shown in FIG. ) Is provided, and consists of an ignition member 47 that ignites a spark when fuel is injected from the fuel supply pipe.

That is, the spark is generated by the ignition member 47 to ignite the injected fuel so that the spark can be injected on the outer surface of the pallet P.

The installation location of the flame treatment means 40 is provided in the path through which the pallet P moves, as shown in FIGS. 2 and 5,

More specifically, the first flame treatment member 41 is provided on both sides of the pallet supply unit 10, the second flame treatment member 42 is formed on both sides of the front end of the printing unit 30, and the 3 Flame treatment member 43 is characterized in that it is provided in the upper portion between the direction switching unit 20 and the printing unit (30).

First, the first flame treatment member 41 radiates flames on both sides of the pallet P so as to melt and remove the debris, and the second flame treatment member 42 is the pallet P (P) is made to radiate a flame to the other sides of the debris is not removed to melt the debris, and the third flame treatment member 43 radiates a flame to the upper surface of the pallet (P) to remove the debris. It is made so that it can be melted and removed.

Here, as the pallet P proceeds through the first flame treatment member 41 and the second flame treatment member 42, flames can be radiated to each side of four places to remove debris. This is because the moving direction of the pallet P is changed by 90 degrees by the switching unit 20 to proceed.

In more detail with respect to the direction change unit 20, the direction change unit 20 is further provided with an elevating rail 25, the elevating rail 25 is the direction changing unit 20 The elevating member 253 that elevates and descends so as to protrude upward from the second transfer member 23 provided in the elevating member 253, and a rail member 251 provided in the elevating member 253 to transport the pallet P, and It is made of an elevating motor 255 that raises or lowers the elevating member 253.

The reason for the existence of the elevating rail 25 is to prevent damage due to friction or the like when the lower part of the pallet P moves to the direction change unit 20, and more precisely, the first transfer member 13 ) And the second transfer member 23 are made of rollers rotating in a direction orthogonal to each other, and through the first transfer member 13, the pallet ( This is to solve the problem that when P) moves immediately, the lower surface of the pallet P is damaged by friction or the like by the second transfer member 23.

This is the direction in which the pallet (P) is transferred to the direction change unit 20, that is, the second transfer member (23) is transferred to the upper part, and the second transfer member (23) provided in the direction change unit (20) is transferred to the pallet (P). ) Appears because the transport directions are orthogonal to each other.

In order to solve this problem, the present invention, as shown in Figure 5, the first transfer member 13 is provided at a higher position than the second transfer member 23, the first transfer member 13 When the pallet (P) is transferred, the pallet (P) is not seated on the upper surface of the second transfer member 23, but is transferred to a position spaced apart from the top,

In order to prevent the pallet (P) from falling arbitrarily, the rail member 251 is raised to support the bottom surface of the pallet (P), and the driving direction of the rail member 251 of the lifting rail 25 (pallet As (referring to the direction set for transporting P.) is the same as the first transfer member 13, the pallet P is stably located from the first transfer member 13 to the top of the elevating rail 25 Will move.

When the pallet (P) is seated on the upper surface of the elevating rail (25), the elevating rail (25) descends and is brought into the lower portion of the second transfer member (23), the pallet (P) is naturally transferred to the second The member 23 is mounted on the upper surface, and at this time, the second transfer member 23 operates to transfer the pallet P to the printing unit 30.

In addition, in describing the present invention above, a pad printing apparatus for a pallet having a specific shape, structure, and configuration has been mainly described with reference to the accompanying drawings, but the present invention can be variously modified, changed, and substituted by those skilled in the art. , Changes and substitutions should be construed as belonging to the protection scope of the present invention.

D: Pallet printing device
10: pallet supply part 11: first outer wall part
13: first transfer member 20: direction switching unit
21: second outer wall portion 23: second transfer member
25: elevating rail 251: rail member
253: elevating member 255: elevating motor
30: printing unit 31; Printing unit
311: robot arm 313: ink impregnation part
315: printing pad 33: third transfer member
35: auxiliary transfer member 37: rotation unit
371: rotating plate 373: non-slip member
375: elevating cylinder 40: flame treatment means
41: first flame treatment member 42: second flame treatment member
43: third flame treatment member 45: fuel supply pipe
47: ignition member

Claims (4)

A pallet supply unit 10 in which the molded pallet is seated by the transport unit and provided with a first transport member 13 for transporting the seated pallet;
A direction changer 20 provided with a second transfer member 23 for transporting the pallet in a direction orthogonal to a direction in which the first transfer member 13 is transported by seating the pallet transferred from the pallet supply unit 10 ;
A printing unit 31 for printing a pattern on both sides of the pallet transferred from the direction change unit 20, and the printing unit 31 of the pallet so that the pattern can be printed on both unprinted sides of the pallet. A printing unit 30 provided with a rotation unit 37 for rotating the lower part by 90 degrees, and a third transfer member 33 for transferring the pallet printed on the side of the pallet to the discharge unit;
A first flame treatment member 41 provided in the pallet supply unit 10 to heat both sides of the pallet, and a front side of the printing unit 30 to remove the formed waste by using heat when the pallet is formed. Flame treatment means comprising a second flame treatment member 42 provided on and heating the other two sides of the pallet;
Including,
The printing unit 31 is
Consisting of a robot arm 311 provided with an ink impregnating part 313 and a printing pad 315 for printing by contacting the side of the pallet P with ink provided in the ink impregnating part 313,
The rotating unit 37 is
An elevating cylinder 375 provided to be elevating and descending under the printing unit 30, a rotating motor provided on the elevating cylinder 375, and a lower portion of the pallet P while being rotated by the rotating motor It comprises a rotating plate 371 supporting the surface and a non-slip member 373 provided on the rotating plate 371,
A pad printing apparatus for pallets, characterized in that the printing unit (30) further includes a plurality of auxiliary transfer members (35) around the rotating plate (371). The method of claim 1,
The first transfer member 13 of the pallet supply unit 10 is provided at a higher position than the second transfer member 23 of the direction change unit 20,
A pallet, characterized in that the direction changing unit 20 further includes an elevating rail 25 for lowering the pallet transferred from the first transfer member 13 and seating on the upper surface of the second transfer member 23 Pad printing device The method of claim 1,
The printing unit (30) including the printing unit (31) and the rotating unit (37) is a plurality of printing units (30) arranged in parallel or in series. The method according to any one of claims 1 to 3,
In the flame treatment means 40
For a pallet, characterized in that the third flame treatment member 43 is provided on the pallet supply unit 10 or the direction change unit 20 or both of them to heat the upper surface of the pallet, characterized in that further provided Pad printing device.

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