KR102351404B1 - Two-head type sealing structure for cancimer - Google Patents

Abstract

The present invention relates to a two-head type sealing head structure for a can seamer, which enables sealing of an object to be sealed by selectively using any one of a plurality of heads having a double structure without replacement according to changes in the diameter of the object to be sealed and, more specifically, to a sealing structure for a can seamer, for sealing an object. The sealing structure comprises: a main head having a predetermined diameter, and rotated by a first driving unit provided in the can seamer; a subhead having a predetermined diameter, inserted to surround the outer surface of the main head, and rotated by receiving the rotational force of the main head; and a guide roller member for fixing the sealing position of the rotating subhead, and lifting the subhead so that the subhead is separated from the main head by a second driving unit provided in the can seamer. The subhead has an insertion groove formed on the circumferential surface thereof to make surface contact with the guide roller member. Therefore, work convenience can be increased.

Description

Two-head type sealing structure for cancimer

The present invention provides a sealing head structure for a cancimer of a two-head type that enables sealing of an object to be sealed by selectively using any one of a plurality of heads having a double structure without replacement according to a change in the diameter of an object to be sealed is about

Recently, a lot of cans are used to package beverages or food. After preparing the can body and the can lid in advance, using a can seamer (CANSEAMMER), the can body and the can lid are joined and sealed by pressurization to package. have.

In this way, the double seam method is often used. In the double seam method, the curl of the can lid is wound around the end of the flange of the can body, rolled up, and pressed against the body to connect the can body and the lid. In this method, the sealing property of the container is maintained by the sealing compound applied to the inside of the curl.

The same procedure applies to sealing the lids and bottoms of canning containers.

The double winding machine consists of a two-step process. The first winding roll operates to shape the double winding, and then the second winding roll presses and seals it.

As shown in FIG. 1, the conventional cancimer has a disk shape as a whole in order to seal the can body and the can lid by pressing, and the can lid seated on the top of the can body is fixed by pressing and rotated. The head 310 and a plurality of sealing rollers 330 that are provided symmetrically on both sides of the head to press the curl portion and rotate along the curl to implement sealing with the head are provided.

However, since the diameter of the can lid, whose diameter is determined in proportion to the outer diameter of the can body having a cylindrical shape, is applied to the head applied to the conventional cancimer, the head is also frequently replaced to match the diameter of the can lid. Because it has to be done, not only the inconvenience of replacement, but also minute changes are made to the exact installation position of the head according to the skill of the operator due to frequent replacement.

Domestic Registered Patent No. 10-2196224 (Announcement Date: 2020.12.29.) Domestic Registered Patent No. 10-1077952 (Announcement Date: 2011.10.28.) Domestic Registered Patent No. 10-20122324 (Announcement Date: 2019.08.20.) Domestic Registered Patent No. 10-2166460 (Announcement Date: 2020.10.15.)

In order to solve the above-mentioned problems in the prior art, the present invention provides a cancimer capable of sealing without frequent replacement in response to a change in diameter of the object when an object including a can body and a can lid is sealed with each other using a cancimer. The purpose is to reduce the defect rate as well as the convenience of work by proposing a sealing structure for use.

In order to solve the above technical problem, the sealing head structure for a cancimer of the two-head type according to the present invention is a sealing structure for a cancimer sealing an object (S), wherein the sealing structure has a predetermined diameter. The main head 100 rotates by the provided first driving unit 11, has a predetermined diameter, and is inserted to surround the outer surface of the main head 100, and rotates by receiving the rotational force of the main head 100 While fixing the sealing positions of the sub-head 200 and the rotating sub-head 200 , the sub-head 200 is lifted from the main head 100 by the second driving unit 13 provided in the cancimer. It includes a guide roller member 300, which is characterized in that the sub-head 200 has an insertion groove 221 on its peripheral surface that is inserted so as to be able to face the guide roller member 300 with each other.

In addition, the main head 100 passes through the upper portion so that the sub-head 200 elevates and lowers in the longitudinal direction, but the rotation shaft 110 rotatably coupled to the first driving part 11 and the upper portion are the lower portions of the rotation shaft 110 . It is formed to be connected to the lower surface of the main body 120 for sealing the object (S) so that airtightness can be maintained with the sealing roller 15 whose outer diameter rotates while pressing the object (S) at the same time. do.

In addition, on the upper outer surface of the main body 120 connected to the rotation shaft 110 , the second coupling surface 220 forming the inner surface of the through hole 210 formed in the longitudinal direction below the sub-head 200 is shape-fitted. A first coupling surface 121 for coupling is formed, and the sub-head 200 is the main coupling surface 121 and the second coupling surface 220 inside the through-hole 210 so that the first coupling surface 121 and the second coupling surface 220 are mutually interviewed. It is preferable to receive the rotational force of the main body 120 in a state in which the body 120 is inserted so that it can be rotated.

In addition, the through hole 210 maximizes the contact area between the first coupling surface 121 and the second coupling surface 220 so that the rotational force of the main body 120 is transmitted to the subhead 200 . It is made in a polygonal shape to be able to be, and the second coupling surface 220, which faces the first coupling surface 121 and shape-fitting, has the through hole 210 having a wide diameter in the direction from the top to the bottom side. It is preferable to have the shape of an oblique line so that it can be cut.

In addition, it is preferable that the sub-head 200 further includes an insertion groove 221 inserted into the circumferential surface to face the guide roller member 300 with each other.

In addition, the cancimer further includes a moving means 400 for moving the sealing roller 15, wherein the moving means 400 includes a moving motor 410 for rotating the rotating piece 411, and a lower portion of the cancimer A movable body 430 and one side movably inserted into the outer surface of the guide bar 420 provided in the upper part and rotatably coupled to the rotating piece 411 to perform a linear motion by the rotational movement of the rotating piece 411 . A pair of arms 440 coupled to the lower part of the movable body 430 and disposed on the other side of which the circumferential surface of the rotatable sealing roller 15 faces the circumferential surface of the main head 100, but a pair of It is preferable that the arms 440 have different lengths.

According to the present invention, when sealing an object having a different sealing diameter, different from the conventional one, a larger diameter than the main head is set so that the main head rotating at the fixed position is wrapped without an operator's replacement work By lowering the sub-head and allowing it to rotate together with the main head, it has the effect of reducing the defect rate of the sealed object as well as the convenience of work.

1 is a view showing a conventional cancimer.
2 is a front view showing a sealing head structure for a cancimer of a two-head type according to the present invention.
Fig. 3 is a side view of Fig. 2;
Figure 4 is a view showing the lowering of the guide roller and the subhead with respect to Figure 3;
5 is a cross-sectional view showing the coupling relationship between the main head and the sub-head in the sealing head structure for the cancimer of the two-head type according to the present invention.
6 is a view showing a bottom view of a sub-head and a front view of a main head for a sealing head structure for a cancimer of a two-head type according to the present invention.
7 is a view showing a cancimer equipped with a sealing head structure for a two-head type cancimer according to the present invention.
8 is a front view showing the moving means of the sealing roller with respect to FIG.
9 and 10 are plan views showing the operation relationship of the moving means with respect to FIG.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described herein may be variously modified. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, the specific embodiments disclosed in the accompanying drawings are only provided to facilitate understanding of the various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and scope of the invention.

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various components, but these components are not limited by the above-mentioned terms. The above terminology is used only for the purpose of distinguishing one component from another component.

In this specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof. When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be abbreviated or omitted.

Hereinafter, a two-head type sealing head structure for a cancimer according to the present invention (hereinafter, simply referred to as a 'sealing head structure') according to the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in FIGS. 2 to 4 , the sealing head structure 1 according to the present invention largely includes a main head 100 , a sub-head 200 , and a guide roller member 300 .

More specifically, as shown in FIGS. 5 and 6 , the main head 100 rotates by receiving the rotational force of the first driving unit 11 installed in the cancimer 10, but with a sealing roller 15 and Together, the sealing of the object S including the can body and the can cover is implemented, and the outer surface thereof includes a rotating shaft 110 and a main body 120 in a configuration for inserting a subhead 200 to be described later. .

For example, the rotating shaft 110 having a column shape is formed to be connected to the upper surface of the main body 120 at the lower portion, and a gear is provided on the outer surface to be rotatably coupled to the first driving unit 11 through a fan belt. (See FIG. 2 )

The sub-head 200 is inserted through the outer surface of the rotating shaft 110, and the sub-head 200 is driven through the second driving part 13 having a cam structure or a crack structure as well as a cylinder. ) so that it can be detachably coupled to the main head 100 by elevating along the longitudinal direction. (See Fig. 3)

In addition, as shown in the figure, the lower surface of the rotation shaft 110 and the main body 120 connected to each other are in shape fit with the second coupling surface 220 of the subhead 200 descending along the rotation shaft 110 on the outer surface thereof. A first coupling surface 121 for bonding by interviewing with a surface is formed.

At this time, the first coupling surface 121 is mollon, and the second coupling surface 220 forming the inner surface of the through hole 210 has a polygonal shape, and the descending subhead 200 is attached to the main head 100 . It is preferable that the first coupling surface 121 and the second coupling surface 220 have an oblique shape so that they can be stably inserted and coupled.

That is, the first coupling surface 121 and the second coupling surface 220 have a diameter width in the direction from the top to the bottom side of the through hole 210 as well as the bottom surface from the top surface of the main body 120 connected to the rotation shaft 110 . It is made in the shape of a diagonal line having a predetermined inclination angle to be narrow, so that the main body 120 can be stably inserted into the through hole 210 when the sub-head 200 descends. (FIG. see 4)

On the other hand, the diameter (D1) corresponding to the circumferential surface of the main head 100 in the present invention is formed to have a size based on the smallest diameter of the object (S) to be sealed on the market, so that it has a larger diameter. To implement the sealing of the object (S) having a different diameter (D2) of the main head 100 and the replaceable sub-head 200 is used.

That is, the diameter D2 of the subhead 200 is always larger than the diameter D1 of the main head 100 .

In addition, the subhead 200 is installed so as to be elevating through the second driving unit 13 in the longitudinal direction of the above-described main head 100 , but is not sealed by the main head 100 through elevating. It includes a through hole 210 and an insertion groove 221 as a configuration for sealing the object (S) having a diameter.

For example, the sub-head 200 is formed in a metal disk shape as a whole so that the circumferential surface has a predetermined diameter in the same way as the above-described main head 100, and the main head ( 100) is detachably coupled to cover the outer surface of the

To this end, a through-hole 210 is perforated in the longitudinal direction inside the sub-head 200 , and the lower portion of the through-hole 210 has a shape that can be combined with the outer surface of the main head 100 in a shape-fitting manner.

At this time, when the main head 100 and the sub-head 200 are coupled to each other, the first coupling surface 121 constituting the inner surface of the through hole 210 is formed on the outer surface of the main body 120 , the second coupling surface 220 . It is preferable to provide power for the sub-head 200 to rotate through the rotation of the rotating shaft 110 in contact with each other.

In addition, a band-shaped insertion groove 221 is formed on the outer surface of the subhead 200, and a guide roller 320 connected to a second driving unit 13 to be described later is inserted into the insertion groove 221 to insert the second driving unit. The lifting motion of (13) has a structure in which the sub-head 200 can be raised and lowered through the received guide roller member 300 .

And, as shown in FIGS. 3, 4 and 7, the guide roller member 300 is inserted into the outer surface of the sub-head 200 and rotates so that the sub-head 200 is not separated from the sealing position. The sub-head 200 includes a lifting body 310 , a guide roller 320 and a connecting bar 330 as a configuration for transmitting power for lifting and lowering.

For example, as shown in the figure, the elevating body 310 is formed to have a plate shape as a whole using a metal material, and is installed in the cancimer 10 so as to be elevated by the second driving unit 13 .

At this time, it is preferable that a groove portion is formed on the outer surface of the lifting body 310 so as not to interfere with the rotation of the gear provided on the outer surface of the rotating shaft 110 .

In addition, the connecting bar 330 is installed to have a predetermined height in the lower portion of the elevating body 310, at least one guide roller 320 is rotatably shaft-coupled to the lower portion.

At this time, a pair of connecting bars 330 are provided symmetrically on both sides of one elevating body 310 , and a part of the guide rollers 320 provided in the connecting bar 330 are inserted into the insertion groove 221 inside. It is preferable to support both sides of the rotating sub-head 200 and to transmit power for elevating the sub-head 200 at the same time.

Thus, depending on the size of the sealing diameter of the object (S), the sub-head 200 is lowered so that the sub-head 200 can be rotatably inserted to the outside in the main head 100 through the elevation of the guide roller member 300, or the main head 100 ) so that the subhead 200 is automatically raised so that it can be separated, unlike the prior art, it is possible to easily seal the object S at a predetermined sealing position without a manual detachment process by an operator.

Meanwhile, as shown in FIGS. 7 and 8 , the cancimer 10 in the present invention is a sealing roller having a slightly different diameter for sealing an object together with the main head 100 or the sub-head 200 described above. A plurality of 15 is provided, and in the sealing roller 15, the circumferential surface of the main head 100 or the sub-head 200 and the circumferential surface of the sealing roller 15 are optional by the moving means 400. to move to face each other.

Here, the moving means 400 includes a moving motor 410, a guide bar 420, a moving body 430, an arm 440, and a connecting link 450, the main head 100 having a predetermined diameter or A pair is installed on both sides of the subhead 200 based on an arbitrary central point P so as to be symmetrical to each other.

For example, as shown, the moving motor 410 rotates under the control of a control unit (not shown) that electrically controls the cancimer 10, but a disk-shaped rotating piece 411 is rotatably coupled to the drive shaft. .

One side of the connecting link 450 is rotatably coupled to the rotating piece 411, but the other side is rotatably coupled to the upper surface of the movable body 430 to cause the rotational movement of the rotating piece 411 to cause the movable body 430 to perform a linear motion. to be used as a driving force for

At this time, it is preferable that the lower part of the movable body 430 is fixed to the cancimer 10 and inserted into the outer surface of the guide bar 420 having a predetermined length so that it can be moved stably without separation.

Arms 440 are provided in pairs so as to be adjacent to each other at the lower part of each movable body 430 to have a predetermined length, one side is fixedly installed on the movable body 430, and a sealing roller 15 is rotatably coupled to the other side. do.

At this time, the pair of arms 440 installed as a pair on each movable body 430 are installed to have different lengths, so that the sealing roller 15 is selectively installed at the sealing position of the object S having different diameters. It is desirable to be able to place it.

That is, as shown in FIGS. 9 and 10 , when the sealing diameter of the object S is small, the circumferential surface of the sealing roller 15 installed on the long first arm 441 is the main head 100 . The object (S) is sealed by arranging it to face the circumferential surface in close proximity.

On the other hand, when the sealing diameter of the object S to be sealed is relatively large, the sealing roller 15 installed on the second arm 443 having a shorter length than the first arm 441 is installed around the subhead 200 . The second arm 443 is moved by the moving means 400 so that it can be disposed to face each other.

As described above, in the sealing head structure 1 according to the present invention, the main head 100 rotates in place without an operator's replacement work when sealing the object S having different sealing diameters, differentiated from the prior art. ) by lowering the sub-head 200 having a larger diameter than the main head 100 so that it can be rotated together with the main head 100, as well as convenience of work, the sealing object (S) ) has the effect of reducing the defect rate.

As described above, in the present invention, specific matters such as specific components, etc., and limited embodiments and drawings have been described, but these are only provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims to be described later, but also all those with equivalent or equivalent modifications to the claims will be said to belong to the scope of the spirit of the present invention. .

1: Sealing head structure for a two-head type cancimer according to the present invention
100: main head
110: axis of rotation 120: main body
121: first coupling surface
200: subhead
210: through hole 220: second coupling surface
221: insertion groove
300: guide roller member
310: elevating body 320: guide roller
330: connection bar
400: means of transportation
410: moving motor 411: rotating piece
420: information bar 430: moving object
440: female 450: connecting link
10: Cancimer
11: first driving unit 13: second driving unit
15: sealing roller

Claims (6)

In the sealing head structure for a cancimer for sealing an object,
The sealing head structure is
a main head having a predetermined diameter and rotating by a first driving unit provided in the cancimer;
a subhead having a predetermined diameter, inserted to surround the outer surface of the main head, and rotating by receiving the rotational force of the main head; and
A guide roller member for fixing the sealing position of the rotating sub-head and lifting and lowering the sub-head from the main head by a second driving unit provided in the cancimer;
The sealing head structure for a two-head type cancimer, characterized in that the sub-head has an insertion groove on its circumferential surface to be inserted so as to face the guide roller member.
According to claim 1,
The main head is
a rotating shaft rotatably coupled to the first driving unit through the sub-head so as to elevate in the longitudinal direction at the upper portion; and
The upper part is formed to be connected to the lower part of the rotation shaft, and the lower surface presses the object and at the same time, the main body seals the object so that the airtightness can be maintained together with the sealing roller whose outer diameter rotates. Two-head method comprising a Sealing head structure for cancimers.
3. The method of claim 2,
A first coupling surface for shape-fitting with a second coupling surface forming an inner surface of a through hole formed in the longitudinal direction under the sub-head is formed on the upper outer surface of the main body connected to the rotation shaft,
The sub-head is a two-head type, characterized in that the first coupling surface and the second coupling surface are rotated by receiving the rotational force of the main body in a state in which the main body is inserted into the through hole so that the first and second coupling surfaces are mutually interfacing. Sealing head structure for cancimers.
4. The method of claim 3,
The through hole is
It has a polygonal shape so that the rotational force of the main body can be transmitted to the sub-head by maximizing the contact area between the first coupling surface and the second coupling surface,
The second coupling surface, which is interviewed by the shape matching with the first coupling surface, has a two-head type cancimer sealing, characterized in that it has an oblique shape so that the diameter width of the through hole can be widened from the upper side to the lower side. head structure.
According to claim 1,
The guide roller member
an elevating body elevating by the second driving unit;
a plurality of guide rollers having an outer surface inserted into the insertion groove, rotating in contact with the rotating sub-head, and fixing a sealing position of the sub-head; and
The upper portion is rotatably coupled to the elevating body, but the lower portion is a connecting bar rotatably coupled to the guide roller; including,
The guide roller is a two-head method, characterized in that at least one or more guide rollers are arranged symmetrically on both sides based on an arbitrary central point of the sub-head having a predetermined diameter so that the sub-head can be raised and lowered by the elevating body. of sealing head structure for cancimers.
According to claim 1,
The cancimer further includes a moving means for moving the sealing roller;
The means of movement is
a moving motor for rotating the rotating piece;
a movable body having a lower portion movably inserted into the outer surface of the guide bar provided in the cancimer, and the upper portion is rotatably coupled to the rotating piece to perform a linear motion by the rotational movement of the rotating piece; and
A pair of arms coupled to the lower part of the movable body on one side but having a rotatable circumferential surface of the sealing roller on the other side to face the circumferential surface of the main head;
A two-head type sealing head structure for a cancimer, characterized in that the pair of arms are formed to have different lengths.

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