KR101937829B1 - Apparatus for aligning product group before heat shrink packaging - Google Patents

Abstract

The present invention relates to an apparatus to align a product group before thermal shrinkable film packaging, comprising: a leg assembly installed on the ground; a conveyor assembly disposed in the leg assembly, transferring a plurality of products wrapped with a packaging film for thermal shrinkage by a conveyor belt, and installed on the front side of a thermal shrinkage apparatus for the packaging film; alignment bars facing each other on both side parts on the conveyor belt in parallel to a product transfer direction; and alignment driving unit providing a driving force for reciprocating the alignment bar in the lateral direction of the conveyor belt, increasing a gap between the alignment bars to allow the products to pass between the alignment bars by the conveyor belt, and decreasing the gap between the alignment bars to align the products transferred between the alignment bars in one row. According to the present invention, the alignment bars press the products placed between the alignment bars from both sides, such that alignment for the products is actively performed to correctly align the products, and thus thermal shrinkage of the packaging film is uniformly realized to provide excellent packaging quality. Moreover, a stable driving force is provided to a position variable alignment bar while facilitating gap change of the alignment bar in accordance with the size of the product, and thus convenience and reliability in operation are able to be improved.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a heat-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a group aligning apparatus for a product before heat shrink packaging, and more particularly, to a product aligning apparatus for aligning a product by heat shrinking, .

In general, not only household goods such as soap and toothpaste but also various products such as groceries are packed in a predetermined number in a packed box.

Conventionally, in order to sell a certain number of products in bundled units, there is a method of bundling products by using an adhesive tape or packing a predetermined number of products into a zipper bag. However, this method has a problem that reliability And there was a problem that it did not help promotion.

 In order to solve this problem, a certain number of products are packed in a bundle unit using a heat-shrinkable film. To this end, the products are transported by a conveyor, and a predetermined number of the products are packed in a heat shrinkable packaging film. By shrinking the packaging film, the product is packaged in batches for a number of products.

However, when a plurality of products contained in a packaging film moved to a conveyer before heat shrinkage are not aligned in parallel with each other, the heat shrinkage of the packaging film is not uniform, resulting in deterioration of the packaging quality And even repackaging due to poor packaging.

In order to solve such a conventional problem, it is necessary to align the product group before heat shrinkage. As a conventional technology for such an aligning device, Korean Registered Utility Model No. 20-0459838 entitled " A conveyor for conveying a product contained in the shrink film to the conveyor, a position sensor for sensing a position of a product conveyed on the conveyor, a conveyor for conveying the conveyor, And a stopper which is fixed to a shaft that is rotated by the operation of the rotary motor and interrupts a product conveyed to the conveyor.

However, in such a conventional art, alignment of the products is inevitable only by interrupting the products by the stoppers, so that it is not easy for the products to be properly aligned. In particular, when the products are wrapped in the wrapping film, It was not easy to accurately align the products while avoiding the interference of the packaging film.

In order to solve the problems of the prior art as described above, the present invention enables active alignment of a plurality of products, thereby enabling accurate alignment of the products, thereby uniformly shrinking the packaging film, It is possible to precisely and smoothly align the packaging film by minimizing the interference of the wrapping film wrapping a plurality of products, to facilitate the change of the interval of the sorting band according to the size of the product, So that the convenience of operation and reliability can be improved.

Other objects of the present invention will become readily apparent from the following description of the embodiments.

According to an aspect of the present invention, there is provided a leg assembly comprising: a leg assembly installed on a ground; A conveyor assembly provided in the leg assembly and disposed at a front side of the heat shrinking device of the packaging film so that a plurality of products are wrapped in a packaging film for heat shrinkage and conveyed by a conveyor belt; A sorting table installed on both sides of the conveyor belt so as to face each other in parallel with the conveying direction of the product; And providing a driving force for reciprocating the alignment stage in the width direction of the conveyor belt, and widening the gap between the alignment stages so that the plurality of products can pass between the alignment stage by the conveyor belt, And an alignment driving unit for aligning the plurality of products transferred between the alignment units by aligning the plurality of products with each other.

The alignment pads may be inclined to guide the entry of the product by the conveyor assembly as a result of the extension of the product entering the product, and may have a cross-section of a " C "shape.

The alignment driving unit may include a plurality of engagement blocks provided so as to protrude outward from the alignment blocks, An eccentric rotation shaft vertically coupled to each of the coupling blocks so as to be rotatable; An eccentric block vertically coupled to each of the eccentric rotary shafts so as to be rotatable; A drive shaft vertically fixed to each of the eccentric blocks so as to be eccentric to the eccentric rotary shaft; A shaft coupling frame coupled to the drive shaft so as to be rotatable in a state in which vertical movement of the drive shaft is suppressed and installed in the leg assembly; And an alignment drive motor for providing a rotational force to each of the drive shafts.

And an interval adjusting assembly for adjusting a minimum or maximum interval between the alignment bars, wherein the shaft coupling frame comprises: a first frame to which a driving shaft connected to any one of the alignment bars is coupled; And a second frame coupled to a drive shaft coupled to the other of the alignment bars, wherein the gap adjustment assembly is slidably coupled to the first and second frames to be orthogonal to the first and second frames, A guide shaft installed to guide the first and second frames to move to adjust the gap therebetween; The first and second frames being threaded in a different screw rotation direction so as to be orthogonal to the first and second frames in a state of being orthogonal to the first and second frames so as to adjust an interval between the first and second frames according to the rotation direction, Screw; And a handle fixed to an end of the lead screw and exposed or protruded outwardly.

Wherein the alignment driving unit includes: a plurality of auxiliary guide shafts provided by a shaft fixing member so as to be parallel to a conveying direction of the product; A motor fixing plate installed horizontally along the auxiliary guide shaft and to which the alignment driving motor is fixed; A pair of connection shafts vertically installed on the motor fixing plate to rotate by the alignment driving motor; A first sprocket fixed to each of the connection shafts; A second sprocket connected to each of the first sprockets by a chain and fixed to one drive shaft connected to each of the first and second frames; A third sprocket fixed to each of the second sprockets; A fourth sprocket connected to each of the third sprockets by a chain and fixed to a remaining drive shaft connected to each of the first and second frames; And an elastic member installed to apply an elastic force to the motor fixing plate to maintain the tension of the chain connecting the first and second sprockets.

According to the product sorting apparatuses before heat shrink packaging according to the present invention, since the sorting stand is pressed on both sides by a plurality of products positioned between the sorting stands, alignment of a plurality of products can be actively performed, It is possible to precisely align the packaging film so as to uniformly heat the packaging film so that the packaging quality can be improved and the interference of the packaging film wrapping a plurality of products can be minimized It is possible to achieve accurate and smooth alignment and to easily change the interval of the alignment band according to the size of the product while providing a stable driving force to the alignment band which is variable in position,

1 is a perspective view illustrating a group aligning apparatus for a product before heat shrink packaging according to an embodiment of the present invention.
2 is a front view showing a group aligning apparatus for a product before heat shrink packaging according to an embodiment of the present invention.
FIG. 3 is a perspective view illustrating a main part of a product aligning apparatus before heat shrink packaging according to an embodiment of the present invention.
FIG. 4 is a perspective view illustrating a part of an alignment driving unit and a gap adjusting assembly of a product aligning apparatus before heat shrink packaging according to an embodiment of the present invention.
FIG. 5 is a perspective view illustrating a part of the alignment drive unit of the product sorting apparatus before heat shrink packaging according to an embodiment of the present invention.
6 and 7 are plan views for explaining the operation of the product aligning apparatus before heat shrink packaging according to an embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in detail in the drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention, And the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant explanations thereof will be omitted.

2 is a front view showing a group aligning apparatus for a product before heat shrink packaging according to an embodiment of the present invention, and FIG. 3 is a cross- Is a perspective view illustrating the essential parts of a product aligning apparatus before heat shrink packaging according to an embodiment of the present invention.

1 to 3, a product aligning apparatus 10 according to an exemplary embodiment of the present invention includes a leg assembly 100, a conveyor assembly 200, an alignment table 300, ).

The leg assembly 100 is installed on the ground, and may have a casing structure, for example, as in the present embodiment, or alternatively may have various forms or structures including a frame structure as another example. In addition, the leg assembly 100 may include a plurality of casters 110 for movement on the bottom surface thereof, and may have a plurality of leveling legs 120 fixed to the ground surface and for adjusting the inclination or height.

The conveyor assembly 200 is provided on the leg assembly 100 and is arranged in front of the heat shrinking device of the packaging film so that a plurality of products are wrapped in a packaging film for heat shrinkage and conveyed by the conveyor belt 210 A roller (not shown) is rotatably coupled to the casing 220, and the conveyor belt 210 is fixed to the casing 220 A rotational force is transmitted to a part of a roller (not shown) by a power transmitting means such as a gear, a belt, and a pulley by a conveyor motor (not shown) so that the conveyor belt 210 rotates a product or the like placed on the upper surface by an endless track motion And the like.

A door 700 capable of being opened and closed is provided on the upper side of the conveyor assembly 200 so that the conveyed product can be isolated from the outside to some extent and the door 710 which can be opened and closed on the upper surface is opened by a hinge And an opening 720 may be formed on both sides for entry and exit of the product.

Referring to FIG. 4, the alignment table 300 is installed on both sides of the conveyor belt 210 so as to face each other in parallel to the conveying direction of the product. The sorting table 300 can be formed in such a manner that the entrance guide part 310 guiding the entry of the product by the extension of the product entering side by the conveyor assembly 200 can be formed to be inclined respectively and has a cross- , It is possible to prevent damage to a product to which a plane surface is attached and to resist bending, and to have excellent durability.

The aligning driver 400 provides a driving force to reciprocate the aligning band 300 in the width direction of the conveyor belt 210 and widens the interval between the aligning bars 300 so that the plurality of products are conveyed by the conveying belt 210 So that the plurality of products conveyed between the alignment tables 300 are aligned in a line by narrowing the interval between the alignment tables 300. [ Meanwhile, the alignment driver 400 may be provided with a control unit integrally or separately provided to perform the transport and alignment operation of the product by controlling the operation of the alignment driver 400. The control unit controls the alignment driving unit 400 so that the position of the product can be recognized through a product sensing unit such as an optical sensor or a mechanical sensor provided on one side or the upper side of the conveyor belt 210 Alternatively, the product may be loaded on the conveyor belt 210 at a predetermined time and predetermined position, and the product position on the conveyor belt 210 may be calculated by sensing the amount of rotation of the conveyor motor 210, Can be controlled.

The alignment driving unit 400 may have various power providing structures for moving the alignment band 300. For example, as in the present embodiment, the alignment block 300 may include a plurality of alignment blocks 300, An eccentric rotation shaft 420 vertically coupled to the coupling block 410 so as to be rotatable and an eccentric block 430 vertically coupled to allow the eccentric rotary shaft 420 to rotate, A driving shaft 440 fixed to the eccentric rotary shaft 420 so as to be eccentric to each of the driving shaft 440 and the driving shaft 440; Frames 451 and 452, and an alignment drive motor 460 (shown in FIG. 5) that provides a rotational force to each of the drive shafts 440. In addition to the alignment drive unit 400, bearings may be provided for smooth rotation in all the components. In addition, bearings may be installed for smooth sliding in the slidably coupled portions. Of course. The shaft coupling frames 451 and 452 may include a first frame 451 to which the driving shaft 440 connected to one of the alignment tables 300 is coupled and a driving shaft 440 connected to the other of the alignment tables 300, And a second frame 452 to which the first frame 452 is coupled. The driving shaft 440 may protrude upward through the through hole 230 formed in the casing 220 of the conveyor assembly 200.

The product sorting apparatus 10 before heat shrink packaging according to an embodiment of the present invention may further include a gap adjusting assembly 600 for adjusting a minimum or maximum gap between the alignment tables 300. Here, the minimum or maximum interval refers to the interval in which the alignment table 300 is spaced apart or minimally spaced by the alignment driver 400, and the interval between the alignment table 300 The minimum interval and the maximum interval of the alignment stage 300 by the alignment driving unit 400 can be changed to suit the size of the product.

The spacing assembly 600 may have a variety of configurations to adjust the spacing of the alignment bands 300. For example, as in the present embodiment, the guide axis 610, the lead screw 620, and the handle 630 .

The guide shaft 610 is slidably coupled to the first and second frames 451 and 452 in a slidable manner so that the first and second frames 451 and 452 are spaced apart from each other The first and second frames 451 and 452 can be slidably coupled to the guide shaft 610 via bearings 611 for smooth movement.

The lead screw 620 is screwed to the first and second frames 451 and 452 in a different screw rotational direction such as a left screw and a right screw so as to be orthogonal to each of the first and second frames 451 and 452, Accordingly, the interval between the first and second frames 451 and 452 can be adjusted.

The handle 630 may be fixed to the end of the lead screw 620 so that the handle 630 may be exposed or protruded outside the side of the leg assembly 100 to enable a turning operation for rotation of the lead screw 620.

4 and 5, the alignment driving unit 400 may properly transmit the driving force to the alignment stage 300 even if the alignment stage 300 is moved by the gap adjusting assembly 600 A plurality of auxiliary guide shafts 470 provided by the shaft fixing member 471 so as to be parallel to the conveying direction of the product by the conveyor assembly 200 and a plurality of auxiliary guide shafts 470 which are horizontally movable along the auxiliary guide shafts 470 A pair of connection shafts 490 vertically installed on the motor fixing plate 480 so as to be rotated by the alignment driving motor 460, A first sprocket 510 fixed to each shaft 490 and a driving shaft 440 connected to each of the first sprockets 510 and the first and second frames 451 and 452, A second sprocket 520 fixed to be fixed to the second sprocket 520, A fourth sprocket 540 connected to each of the third sprocket 530 and the third sprocket 530 by a chain and fixed to the remaining drive shaft 440 connected to the first and second frames 451 and 452, And an elastic member 550 installed to apply an elastic force to the motor fixing plate 480 to maintain the tension of the chain connecting the first and second sprockets 510 and 520.

The auxiliary guide shafts 470 are formed in a pair so that both ends of each of the auxiliary guide shafts 470 are fixed to the inside of the leg assembly 100 by the shaft fixing member 471. The motor fixing plate 480 may be slidably coupled to be movable along the shaft fixing member 471 via a bearing 472. [ One of the coupling shafts 490 is connected to a sprocket 461, 462 and a power transmission means such as a chain or a gear to transmit rotation force from the alignment drive motor 460, So that the other one is rotated at the same rotation speed by any one rotation. The rotational force of each of the connecting shafts 490 is transmitted from the first and second frames 451 and 452 to either one of the driving shafts 440 by a chain connecting the first sprocket 510 and the second sprocket 520, And the rotational force provided to one of the driving shafts 440 is transmitted to the other of the first and second frames 451 and 452 by a chain connecting the third sprocket 530 and the fourth sprocket 540 to the other driving shaft 440 So that each of the alignment tables 300 is driven so as to repeatedly perform the narrowing and the enlarging while maintaining the state of being parallel to each other.

The elastic member 550 can move the first sprocket 510 and the second sprocket 510 by pulling the motor fixing plate 480 even if the position of the second sprocket 520 is changed by the movement of the driving shaft 440 due to the positional change of the alignment table 300. [ The chain for connecting the second sprocket 520 is always pulled so as not to be struck or disengaged so that the rotational force of the alignment drive motor 460 can be stably provided to the positionable alignment stage 300. One end of the elastic member 550 is fixed to a shaft fixing member 471 fixed to the leg assembly 100 and the other end is fixed to a fixing shaft 551 perpendicularly fixed to the motor fixing plate 480, For example, a pair.

The operation of the group alignment apparatus for a product before heat shrink packaging according to the present invention will now be described.

6, when the alignment bars 300 are separated from each other by the alignment driving unit 400, a plurality of products 1 wrapped in the packaging film 2 through the conveyor assembly 200 are aligned in the "A" . 7, when the eccentric block 430 is rotated in the "B" direction by the driving of the alignment driving unit 400, when the plurality of products 1 stops at a predetermined position of the alignment table 300, The plurality of products 1 wrapped in the packaging film 2 are aligned so as to be aligned in a line by moving in the "C"

When the plurality of products 1 are loaded in the heat shrink apparatus as a subsequent process in the aligned state, the packaging film 2 is thermally shrunk by the heat supplied from the heaters of the heat shrink apparatus. By arranging the plurality of products 1 positioned on the both sides of the alignment table 300, the alignment of the plurality of products 1 can be made active so that accurate alignment of the product 1 is possible Whereby the heat shrinkage of the packaging film 2 can be made uniform, and the packaging quality can be improved.

In addition, by actively aligning the alignment pads 300 with respect to the plurality of products 1, it is possible to minimize the interference of the packaging film 2 surrounding the plurality of products 1, have.

In addition, since the space adjusting assembly 600 facilitates changing the spacing of the sorting table 300 according to the size of the product 1, it is possible to provide a stable driving force to the position-varying sorting table 300, .

Although the present invention has been described with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

1: Product 2: Packaging film
100: leg assembly 110: caster
120: Leveling leg 200: Conveyor assembly
210: conveyor belt 220: casing
230: Through hole 300: Alignment stand
310: entry guide unit 400: alignment drive unit
410: coupling block 420: eccentric rotary shaft
430: eccentric block 440: drive shaft
451,452: Axis coupling frame 460: Aligning drive motor
461,462: Sprocket 470: Auxiliary guide shaft
471: shaft fixing member 472: bearing
480: motor fixing plate 490: connecting shaft
491: Interlocking gear 510: First sprocket
520: second sprocket 530: third sprocket
540: Fourth sprocket 550: Elastic member
551: Fixed shaft 600: Spacer assembly
610: guide shaft 611: bearing
620: lead screw 630: handle
700: cover 710: door
720: opening

Claims (5)

A leg assembly mounted on the ground;
A conveyor assembly provided in the leg assembly and disposed at a front side of the heat shrinking device of the packaging film so that a plurality of products are wrapped in a packaging film for heat shrinkage and conveyed by a conveyor belt;
A sorting table installed on both sides of the conveyor belt so as to face each other in parallel with the conveying direction of the product; And
Wherein the conveyor belt comprises a plurality of conveyor belts, a plurality of conveyor belts for conveying the plurality of conveyor belts, An aligning driver for aligning the plurality of products conveyed between the aligning bases by aligning the plurality of products in a line;
Lt; / RTI >
The alignment driver includes:
A plurality of engagement blocks provided so as to protrude outward from each of the alignment blocks;
An eccentric rotation shaft vertically coupled to each of the coupling blocks so as to be rotatable;
An eccentric block vertically coupled to each of the eccentric rotary shafts so as to be rotatable;
A drive shaft vertically fixed to each of the eccentric blocks so as to be eccentric to the eccentric rotary shaft;
A shaft coupling frame coupled to the drive shaft so as to be rotatable in a state in which vertical movement of the drive shaft is suppressed and installed in the leg assembly; And
An alignment drive motor for providing a rotational force to each of the drive shafts;
And a heat-shrinkable packaging material group aligning device. The method according to claim 1,
[0031]
Wherein the guide guides for guiding the entry of the product by the opening of the product by the conveyor assembly are formed obliquely, respectively, and have a cross-section of a " C "shape. delete The method according to claim 1,
Further comprising an interval adjusting assembly for adjusting the minimum or maximum spacing between said alignment bands,
Wherein the axis-
A first frame coupled to a drive shaft connected to one of the alignment bases; And
And a second frame coupled to a driving shaft connected to the other one of the alignment bars,
Wherein the spacing assembly comprises:
A guide shaft slidably coupled to the first and second frames so as to be slidable so as to guide the first and second frames to move to adjust the gap therebetween by being installed in a plurality of the leg assemblies;
The first and second frames being threaded in a different screw rotation direction so as to be orthogonal to the first and second frames in a state of being orthogonal to the first and second frames so as to adjust an interval between the first and second frames according to the rotation direction, Screw; And
A handle fixed to an end of the lead screw and exposed or protruded outward;
And a heat-shrinkable product group aligning device. The method of claim 4,
The alignment driver includes:
A plurality of auxiliary guide shafts provided by a shaft fixing member so as to be parallel to the conveying direction of the product;
A motor fixing plate installed horizontally along the auxiliary guide shaft and to which the alignment driving motor is fixed;
A pair of connection shafts vertically installed on the motor fixing plate to rotate by the alignment driving motor;
A first sprocket fixed to each of the connection shafts;
A second sprocket connected to each of the first sprockets by a chain and fixed to one drive shaft connected to each of the first and second frames;
A third sprocket fixed to each of the second sprockets;
A fourth sprocket connected to each of the third sprockets by a chain and fixed to a remaining drive shaft connected to each of the first and second frames; And
An elastic member installed to apply an elastic force to the motor fixing plate so as to maintain a tension of a chain connecting the first and second sprockets;
Further comprising a heat-shrinkable packing member.

Images