KR200219953Y1 - Package 3 sides bending machine - Google Patents

Abstract

The present invention relates to a three-sided automatic bending machine for packaging material, a base for supporting a packaging material, a pressing plate for pressing and fixing the packaging material on the base material, a heating bending plate for forming a recessed part by bending the wing of the packaging material, and A slide bending plate for bending the wing portion of the packaging material to have a U-shaped cross section, and a cylinder for driving the pressing plate, the heating bending plate and the slide bending plate, wherein the slide bending plate is a virtual extension of the upper surface of the pressing plate. It is installed on the imaginary extension surface so as to slide on the extension surface, and the slide bending plate is formed by the inclined surface formed in contact with the inclined outer portion of the wing portion of the packaging material. This invention has the advantage that can be bent without a trace by the bending work while forming the insertion groove for fitting the cover plate by bending the wing portion of the packaging material in a U-shape, the initial position of the end of the slide bending plate under the packaging material By pushing up and bending the packaging blades, the blades of the packaging materials can be bent without being deformed or damaged, and the service life is solved by eliminating the deterioration of the cylinder for driving the heating bending plate by the heat of the heating bending plate. There is an advantage to extend.

Description

PACKAGE 3 SIDES BENDING MACHINE}

The present invention relates to a three-sided automatic bending machine for manufacturing a packaging material formed with a U-shaped bent portion for inserting a cover plate at the periphery of the storage chamber in which the goods are contained. In particular, the U-shaped bent portion of the packaging material has no trace of bending and It can be bent smoothly without damage, such as bending or crushing, to improve the quality of the packaging material, to improve productivity while significantly reducing the defect rate, and to insulate the heat of the heating bending plate that heats the packaging material blades from being conducted to the cylinder. This invention relates to a three-sided automatic bending machine for packaging material, which extends its service life.

Conventional packaging material automatic bending device has a pedestal for supporting the packaging material pre-formed in a predetermined form, a pressing plate for pressing and fixing the packaging material on the pedestal, and a heating bending plate for bending the wings of the packaging material to form a recessed portion, A slide bending plate for bending the wing portion of the packaging material to have a U-shaped cross section, and a cylinder for driving the pressing plate, the heating bending plate and the slide bending plate.

In the conventional packaging material automatic bending device, the wing of the packaging material is pressed onto the upper surface and the V-groove when the wing of the packaging material is placed on the V-groove of the pedestal and pressed while heating with a heating bent plate to form a recess in the middle of the packaging material wing. There is a problem that the indentation occurs, and when the wing is pushed into a U-shaped slide bending plate located on the outside of the wing portion of the packaging material, there was a problem that the wing portion is twisted or crushed and damaged in the upward and downward directions, respectively. Therefore, the packaging material produced by the conventional packaging material automatic bending device has a problem that not only the quality is lowered, but also the defective product generation rate is large and the productivity of the device is lowered.

In addition, in the conventional packaging material automatic bending device, the heater is attached to the surface of the heating bending plate, the excessive heat is transferred to the packaging material, the deformation of the surface of the packaging material is large, and the heat generated by the heater without the heat insulator drives the heating bending plate. There was a defect that the cylinder is deteriorated to be transmitted to, thereby reducing the service life.

The present invention has been devised to solve the above problems and defects described above, and the U-shaped bent portion of the packaging material has no traces of bending and is bent smoothly without damage such as warping or crushing to improve the quality of the packaging material. In order to provide a three-sided automatic bending machine which can improve the productivity while significantly reducing the defective rate, and insulates the heat of the heating bending plate that heats the packaging blade wings to prevent conduction to the cylinder, thereby extending the service life. will be.

1 to 6 are views of the present invention,

1 is a perspective view showing a state before the packaging material is bent by the device of the present invention.

Figure 2 is a perspective view showing a packaging material bent by the device of the present invention.

Figure 3 is a perspective view showing the configuration of the automatic packaging material bending device according to the present invention.

Figure 4 is a longitudinal sectional view of the automatic packaging material bending device according to the present invention.

Figure 5 (a), (b) is a cross-sectional view illustrating a specific form of the heating bent plate and the pedestal.

Figure 6 (a), (b), (c) is an explanatory view of the work process by the device of the present invention.

<Description of Symbols for Major Parts of Drawings>

10: packaging material 12: recessed part

13 wing part 13b inclined outer part

110: pedestal 112: V groove

113: arc-shaped bottom portion 120: cooling means

121: injection path 122: nozzle hole

130,140,150: Cylinder 131,141,151: Plunger

132: pressing plate 142: heating bending plate

143: lower portion 144: tip portion

152: slide bending plate 153: inclined surface

160: heat insulation means 180: cooling means

200: parallel opening and closing robot device

In order to achieve the above object, the packaging material three-sided automatic bending machine according to the present invention supports a packaging material and quenches the heated molded packaging blade parts, and a pedestal with a cooling device, a pressing plate for pressing and fixing the packaging material on the pedestal, A heating bending plate for bending the wing portion of the packaging material to form a recess, a slide bending plate for bending the wing portion of the packaging material to have a U-shaped cross section, and a cylinder for driving the pressing plate, the heating bending plate and the slide bending plate. In the configuration, the slide bending plate is installed on the virtual extension surface so as to slide on the virtual extension surface extending the upper surface of the pressing plate, the slide bending plate is inclined surface to be in contact with the inclined outer portion of the wing of the packaging material Is formed, the first time the slide starts moving The packaging material consists of value impellers end by a length set so that it rests on the folded slide plate portion of the inclined surface.

The tip portion of the heating bent plate is formed in a tapered shape smaller than the V groove of the pedestal, the end portion is formed in an arc shape, and the clearance is maintained between the concave portion of the packaging material and the V groove when bending the wing of the packaging material. The downward movement limit of the heating bending plate is set so as to be bent in a non-contact manner.

Hereinafter, described in detail by the accompanying drawings an embodiment of the present invention as follows.

1 is a perspective view showing a state before the packaging material is bent by the device of the present invention, Figure 2 is a perspective view of a packaging material bent and molded by the device of the present invention, the packaging material 10 represented in Figure 1 is a product (not shown) Is shown in the form of the wing portion 13 is formed in the periphery of the receiving chamber 11, the packaging material 10 is shown in other devices such as vacuum forming apparatus before processing in the device of the present invention It is preformed in the form.

The packaging material 10 of FIG. 2 is configured in a form in which the wing portion 13 is bent into a U shape by the device of the present invention, and the insertion groove 14 for inserting the cover plate 20 is fitted therein. In Fig. 2, reference numeral 12 shows a concave portion.

The packaging material automatic bending device of the present invention to be described later is for molding the packaging material 10 automatically bent from the form of FIG.

Figure 3 is a perspective view showing the configuration of the automatic packaging material bending device according to the present invention, Figure 4 is a longitudinal sectional view of the automatic packaging material bending device according to the present invention, Figure 5 (a), (b) of the heating bending plate and the pedestal As a cross-sectional view illustrating a specific form, as shown therein, the support member 114 is placed on the base plate 101 of the base 100, and the support 110 is fixed to support the packaging material 10 placed in the working position. It is to support, the center portion of the upper surface 111 that the packaging material 10 of the pedestal 110 is in contact with one side is formed with a V groove 112, the pedestal 110 of the packaging material 10 Cooling means 120 for cooling the bent portion of the wing 13 is provided.

The pressing plate 132 for pressing the packaging material 10 to the pedestal 110 is fixed to the lower end of the plunger 131 of the cylinder 130 fixed to the upper plate 102 of the base 100.

The cylinder 140 is fixed to the front and rear of the cylinder 130 of the upper plate 102, the lower end of the plunger 141 of the cylinder 140 is fixed to the lifting plate 146, the lifting plate 146 On the left, right and rear sides of the bottom surface, a heating bending plate 142 is fixed to press the wing 13 of the packaging material 10 into the V groove 112 of the pedestal 110.

Guide rods 147 are fixed to respective corners of the upper surface of the elevating plate 146, and sliding members 148, such as bearings and bushings, are fixed to each corner of the upper surface plate 102. Each of the guide rods 147 is inserted into the sliding support member 148 so that the lifting plate 146 can be raised and lowered stably and smoothly.

The cylinders 150 are fixed to both side plates 103 and the back plate 104 of the base 100, and wings 13 of the packaging material 10 are provided at ends of the plungers 151 of the respective cylinders 150. ) Is supported, the slide bending plate 152 for bending the wing 13 is bent into a U-shape after the heating bending plate 142 is bent to the pressing plate 132 is fixed.

In addition, an air cylinder is used for the cylinders 130, 140, and 150.

In the packaging automatic bending device as described above, the slide bending plate 152 is a virtual extension surface (S) to slide on the virtual extension surface (S) extending the upper surface of the pressing plate 132 as shown in FIGS. The inclined surface 153 is installed on the slide bending plate 152, the inclined outer portion 13b of the wing portion 13 of the packaging material 10 placed in the initial position is placed on the contact support.

Here, the inclined outer portion 13b of the wing portion 13 of the packaging material 10 is an inner portion of the wing portion 13 pressed between the upper surface 111 of the pedestal 110 and the lower surface of the pressing plate 132. Predetermined angle of inclination (13a) Bent upwards by).

In addition, the lower portion 143 of the heating bending plate 142 is provided with a tip portion 144, the tip portion 144 is formed in a tapered shape smaller than the V groove 112 of the pedestal 110, the end is In addition to being formed in an arc shape, it is formed to be stepped at two steps with the double stepped portions 145a and 145b so that heat is efficiently transferred to the heat bending plate 142, and the tip portion for directly bending the packaging material 10 ( 144 is to prevent excessive heat transfer to the packaging material (10). In addition, when bending the wing portion 13 of the packaging material 10 is heated so that the clearance gap (L) is maintained between the concave portion 12 of the packaging material 10 and the arc-shaped bottom portion 113 of the V groove 112. The downward movement limit point of the bending plate 142 is set so that the wing 13 of the packaging material 10 is pressed by the tip 144 of the heating bending plate 142 and bent to the V groove 112 of the pedestal 110. It is compressed so that a trace does not appear.

When bending the wing portion 13 of the packaging material 10 by the above-described pedestal 110 and the heating bending plate 142, the inner portion 13a of the wing portion 13 as shown in FIG. The upper surface 111 of the 110 and the pressing plate 132 are pressed so that the outer portion 13b extends over the inclined surface 153 of the slide bending plate 152 by the length L1, and then the wing portion (142) with the heating bending plate 142. 13 is bent by the tip portion 144 of the heating bending plate 142, at this time, as described above of the V groove 112 provided in the recessed portion 12 and the pedestal 110 of the packaging material 10 as described above. When the stroke of the V groove 112 and the heating bending plate 142 of the pedestal 110 is set to bend so that the clearance gap L is maintained between the arcuate bottoms 113, the yaw of the wing portion 13 is increased. Since the bending part is performed in a non-contact manner in which the mouth 12 does not contact the upper surface 111 of the pedestal 110 and the V-groove 112, traces due to bending in the wing part 13 do not occur.

More specifically, for example, the lower portion 143 of the heating bending plate 142 is inclined at a double angle to prevent excessive heat transfer to the packaging 10, the body portion containing the heating wire of the heater 170 Is not in direct contact with the packaging material 10, the width (W2) of the tip portion 144 to transfer heat by contacting the packaging material 10 so that it can be fully folded 180 degrees when bending the packaging material 10 to 1.5mm To form a size smaller than the width (W1) of the V groove 112 of the pedestal 110 and the inclination angle of the tip 144 ( ) Is the inclination angle of the V-groove 112 Smaller than). In addition, the heater 170 is made by drilling a hole in the body of the heating bending plate 142 and installed therein to maximize the heat utilization efficiency.

The pedestal 110, for example, by digging the V-groove 112 on the surface to a depth of 2mm to press the packaging material 10 to a depth of about 1mm when pressed by the heating bending plate 142 so that the packaging material 10 is folded well. The width W2 of the V-groove 112 is about 2.6 to 2.7 mm so that the gap between the packaging material 10 and the V-groove 112 is maintained at 0.6 to 0.7 mm so that the tip portion 144 of the heating bending plate 142 is maintained. ) To prevent marks from being formed on the packaging material 10, and a cooling air injection passage 121 having a diameter of about 8 mm is formed in the body of the pedestal 110 in the longitudinal direction, and the cooling air injection passage 121 is formed in the longitudinal direction. By bending the cooling nozzle hole 122 having a diameter of 1 mm vertically at intervals of 30 mm, air was blown instantaneously to cool the heating portion of the packaging material 10, thereby shortening the bending molding time of the packaging material 10.

The slide bending plate 152 lifts the packaging material 10 while the inclined surface 153 extends under the wing portion 13 of the packaging material 10 placed in the initial position so that the slide bending plate 152 moves forward. At the same time, the packaging material 10 is smoothly pushed forward so that the packaging material is folded evenly in a straight line without being chewed. The initial position of the slide bending plate 152 is positioned below the packaging material 10 to minimize the moving distance. As a result, the bending molding time was shortened to improve work efficiency and productivity.

In addition, the heating bending plate 142 is coupled to the heat insulating means 160 in the middle portion and the heater 170 is coupled to the lower portion, the cooling means 180 is provided on the upper, this heating bending plate 142 is The heat generated by the lower heater 170 is prevented from being transferred upward by the heat insulating means 160 and cooled by the cooling means 180 to deteriorate the function of the cylinder 130 and shorten the lifespan. It is prevented and improves thermal efficiency.

As the heat insulation means 160, the upper and lower portions of the heating bent plate 142 are formed stepped, and an insulation material 161 such as a gypsum board insulation material is inserted therebetween, and a bolt 162 is used. Can be.

The cooling means 120 provided in the pedestal 110 forms an air injection passage 121 in the longitudinal direction on the body of the pedestal 110, communicates with the injection passage 121 and passes through the V groove 112. By forming a plurality of nozzle holes 122 perpendicular to the injection passage 121, the compressed air compressed in the air compressor (not shown) flows into the injection passage 121 and through the plurality of nozzle holes 122 It is made to cool rapidly the blade | wing part 13 heated and bent by the heat | fever bending plate 142 by making it spray on the blade | wing part 13 on it.

Referring to the operation of the packaging material automatic bending device according to the present invention as described above are as follows.

As shown in FIG. 1, the molded packaging material 10 is transferred and placed on the pedestal 110 of the automatic packaging material bending device as shown in FIG. 4, and the inner portion 13a of the inclined wing portion 13 of the packaging material 10 is supported by the packaging material 10. While contacting the inner side of the upper surface 111 of the (110) and the outer portion (13b) of the wing portion 13 so as to be over the inclined surface 153 of both slide bending plate 152.

Subsequently, when the pressure plate 132 is lowered by operating the cylinder 130, the pressure plate 132 stably presses the wing 13 of the packaging material 10 on the upper surface 111 of the pedestal 110.

In the state of FIG. 4 and FIG. 6 (a), the lowering of the heating bending plate 142 by operating the cylinder 140 results in the tip 144 of the heating bending plate 142 as shown in FIG. When the wing 13 is pressed, the heating bending plate 142 is preheated by the heater 170 coupled therein so that the tip 144 heats for a predetermined time while pressing the middle of the wing 13. By applying the intermediate portion of the wing portion 13 is bent to form a recessed portion (12).

Subsequently, the cylinder 140 is operated to double the heating bending plate 142 upward, and the cylinder 150 is operated to move both slide bending plates 152 inward as shown in FIG. 6 (c). The outer portion 13b of 13) is pushed and bent by the slide bending plate 152, and instantaneously blows air through the cooling means 120 provided in the pedestal 110 to cool the bending molded portion of the packaging material 10. Then, when the slide bending plate 152 is reversed, the insertion groove 14 is formed inside the wing portion 13 bent in a U shape of the packaging material 10 as shown in FIG.

The operation of placing the packaging material 10 on the pedestal 110 may be performed manually and the operation of taking out the bent packaging material 10 may be performed using, for example, the parallel opening and closing robot device 200. In addition, both the operation of placing the packaging material 10 on the pedestal 110 and the operation of taking out the bent packaging material 10 can be performed using the parallel opening and closing robot device 200, and other conventional devices may be used. Can be used.

In the packaging material automatic bending device according to the present invention as described above, the inner portion 13a of the packaging material wing portion 13 is pressed by the upper surface 111 and the pressing plate 132 of the pedestal 110 and the outer portion 13b is The packing member 10 may be covered by the tip portion 144 of the heating bending plate 142 that is formed on the inclined surface 153 of the slide bending plate 152 and has a taper shape smaller than the V groove 112 of the pedestal 110. Since the indentation portion 12 of the concave portion 12 and the arc-shaped bottom portion 113 of the V-groove 112 is pressed to be bent so as to be maintained, the indentation portion 12 of the wing portion 13 is bent in a non-contact manner. There is no trace of bending work.

In addition, the inclined outer portion 13b of the packaging material wing portion 13 is brought into contact with the inclined surface 153 of the slide bending plate 152 and the slide bending plate 152 extends the upper surface of the pressing plate 132. As the slide 13 moves on the imaginary extension surface S, the inclined outer portion 13b of the wing portion 13 is pushed inward to bend, so that the wing portion 13 may be damaged or crushed or crushed. Bent into clean form without.

In addition, since the heat insulation means 160 is coupled to the connection portion of the plunger 131 and the heating bent plate 142 of the cylinder 130, the heat of the heating bent plate 142 is transferred to the cylinder 130 through the plunger 131. It can be prevented from being deteriorated to deteriorate the function of the cylinder 130 and shorten the life.

The present invention as described above has the advantage that can be bent without a trace by bending work while forming the insertion groove for fitting the cover plate by bending the wing portion of the packaging material U-shaped, the initial position of the slide bending plate of the packaging material By setting it under the wing, the wing of the packaging material is bent evenly without deformation or chewing and damaged, and the initial position of the slide bending plate is placed under the packaging material to minimize the moving distance and provide an air cooling device on the pedestal. There is an advantage in that the bending molding time can be shortened by cooling, and there is an advantage of extending the service life by eliminating a defect that deteriorates the cylinder for driving the heat bending plate by the heat of the heating bending plate.

Therefore, the present invention improves the quality of the packaging material, can significantly improve the productivity while significantly reducing the defective rate, and has the advantage of extending the service life of the device.

Claims (5)

A base for supporting the packaging material, a press plate for pressing and fixing the packaging material on the base, a heating bending plate for bending the wings of the packaging material to form a recess, and for bending the wings of the packaging material to have a U-shaped cross section. A slide bending plate and a cylinder for driving the pressing plate, the heating bending plate and the slide bending plate, the slide bending plate being installed on the virtual extension surface to slide on the virtual extension surface extending the upper surface of the pressing plate; And an initial inclination of the slide bending plate so that the upper inclined surface of the slide bending plate is positioned below the packing material wing. The tip portion of the heating bent plate is formed in a tapered shape smaller than the V groove of the pedestal, the end portion is formed in an arc shape, between the concave portion of the packaging material and the V groove when bending the wing of the packaging material. A three-sided automatic bending machine for packaging materials, characterized in that the downward movement limit of the heating bending plate is set so that the clearance gap is maintained in a non-contact manner. According to claim 1, wherein the heat insulation means is fixed to the middle portion of the heating bending plate, the heater is fixed to the hole formed in the lower portion, the packaging material three-sided automatic bending machine, characterized in that it is provided with a cooling means on the upper portion. . According to claim 1, The cooling means provided in the pedestal is an air injection path is formed in the longitudinal direction of the body of the pedestal, a plurality of nozzle holes in communication with the injection path is formed perpendicular to the injection path, compressed air A three-sided automatic bending machine for packaging material, characterized in that it is introduced into the injection furnace and is injected through a plurality of nozzle holes to cool the wing portion thereon. According to claim 1, Automatic packaging three-side packaging machine characterized in that it comprises a parallel opening and closing robot device for automatically detaching the bent packaging material.