KR20010069849A - Sealing apparatus for synthetic resin bags - Google Patents

Sealing apparatus for synthetic resin bags Download PDF

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Publication number
KR20010069849A
KR20010069849A KR1020010026432A KR20010026432A KR20010069849A KR 20010069849 A KR20010069849 A KR 20010069849A KR 1020010026432 A KR1020010026432 A KR 1020010026432A KR 20010026432 A KR20010026432 A KR 20010026432A KR 20010069849 A KR20010069849 A KR 20010069849A
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South Korea
Prior art keywords
bag
synthetic resin
sack
sealing apparatus
air
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KR1020010026432A
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Korean (ko)
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이청규
방성원
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이청규
방성원
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Priority to KR1020010026432A priority Critical patent/KR20010069849A/en
Publication of KR20010069849A publication Critical patent/KR20010069849A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/20—Applying or generating heat or pressure or combinations thereof by fluid pressure acting directly on folds or on opposed surfaces, e.g. using hot-air jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)

Abstract

PURPOSE: A sealing apparatus of a synthetic resin sack is provided to accurately, equally and solidly seal the open inlet of the sack by heating the open inlet with hot wind and improve available rate and the productivity of the sealing apparatus. CONSTITUTION: A sealing apparatus of a synthetic resin sack includes outlet slits(26,26') of air injection nozzles(24,24') to which heated air is supplied and oppositely installed at both sides of an inlet of the sack, electric heaters(28,28') arranged at the outlet slits of the air injection nozzles, compression rolls(14,14') installed at the rear part of a hot air generator(12) for compressing a thermal bonding part, and timing belts(16,16') installed below a table(10) for holding and straightening both sides of a direct under part of the inlet of the sack.

Description

합성수지제 포대의 밀봉장치{Sealing apparatus for synthetic resin bags}Sealing apparatus for synthetic resin bags

본 발명은 비료, 사료 등과 같은 내용물의 포장용으로 사용되는 합성수지제 포대의 밀봉장치에 관한 것이다.The present invention relates to a sealing device for a synthetic resin bag used for the packaging of the contents, such as fertilizer, feed.

종래의 밀봉장치는 도 5와 도 6에 도시된 바와 같이 전기히터(50)가 내장된 고정가열막대(52)와 마주보는 가동가열막대(52') 사이를 구동롤러(54), (54')와 종동롤러(56), (56')에 의해서 순환회전하는 두께가 1㎜정도로 얇은 테프론밴드(58),5 and 6, a conventional sealing device includes a driving roller 54, 54 'between a movable heating rod 52' facing a fixed heating rod 52 having an electric heater 50 therein. Teflon band 58 having a thickness of about 1 mm that is circularly rotated by the rollers and driven rollers 56 and 56 ',

(58')를 가진 것으로서 전동식콘베이어(60)위에 올려 놓여진 체 이송되는 밀봉할 포대(A)의 개방된 입구부분(a)를 고정가열막대(52)와 가동가열막대(52')의 복사열로 가열, 접합함에 있어서 가열막대들(52), (52')에 포대(A)의 입구부분(a)이 들어 붙지 않도록 가열막대들(52), (52')과 상기 입구부분(a) 사이를 테프론 밴드(58), (58')가 순환회전하도록 된 것이었다.The open inlet portion (a) of the bag (A) to be sealed, which is conveyed on the electric conveyor (60) as having a (58 ′), is transferred to the radiant heat of the fixed heating rod (52) and the movable heating rod (52 ′). In heating and bonding, between the heating rods 52, 52 'and the inlet portion a so that the inlet portion a of the bag A does not adhere to the heating rods 52, 52'. The teflon bands 58, 58 'were to rotate.

이와 같은 종래의 밀봉장치는 가열막대들(52), (52')이 내장된 전기히터Such a conventional sealing device is an electric heater with heating rods 52, 52 '

(50)에 의해서 가열되는 것이었으므로 적정한 발열온도가 유지되도록 발열온도를 제어하기가 매우 어려웠었으며, 테프론 밴드(58), (58')에 마찰저항과 장력이 크게 작용하게 되어서 마모, 이완 등에 의해서 롤러(54), (54'), (56), (56')로 부터 자주 이탈하게 되므로 포대(A)의 밀봉상태불량이 빈번하게 발생되었었고, 테프론 밴드(58), (58')가 가열막대들(52), (52')들과 접촉하면서 순환회전하는 것이어서 쉽게 끊어지므로 고가인 테프론 밴드(58), (58')를 자주 교체해주어야만 했었기 때문에 유지 , 보수비용이 많이 들었었고, 잦은 가동중단으로 인하여서 가동율과 생산성이 낮은 등의 문제점이 있었다.Since it was heated by (50), it was very difficult to control the exothermic temperature so that the proper exothermic temperature was maintained, and the frictional resistance and tension of the Teflon bands 58 and 58 'acted greatly, resulting in abrasion and relaxation. The rollers 54, (54 '), (56), (56') is often separated from the defect of the bag (A) was frequently generated, Teflon bands (58), (58 ') Is a circular rotation in contact with the heating rods (52), (52 ') and breaks easily, so expensive Teflon bands (58), (58') had to be replaced frequently, which was expensive to maintain and repair. In addition, due to frequent shutdowns, there were problems such as low operation rate and low productivity.

본 발명은 내용물이 담겨진체 이송되는 포대의 개방된 입구부분을 열풍으로 가열하여 밀봉한 다음 압착롤러로 재차 견고하게 밀봉해 줄 수 있는 합성수지제 포대의 밀봉장치를 제공하는데 기술적 과제를 둔 것이다.The present invention has a technical problem to provide a sealing device of a synthetic resin bag that can be sealed by heating the open inlet portion of the bag to be transported in the contents with hot air and then again with a pressing roller.

도 1 은 본 발명에 의한 밀봉장치의 정면도.1 is a front view of a sealing device according to the present invention.

도 2 는 본 발명에 의한 밀봉장치의 요부를 보인 사시도.Figure 2 is a perspective view showing the main portion of the sealing device according to the present invention.

도 3 은 도 2에서 보인 열풍기의 확대사시도.3 is an enlarged perspective view of the hot air fan shown in FIG. 2.

도 4 는 도 1의 Ⅰ-Ⅰ선 확대단면도.4 is an enlarged sectional view taken along line II of FIG. 1;

도 5 는 종래 밀봉장치의 평면도.5 is a plan view of a conventional sealing device.

도 6 은 도 5의 Ⅱ-Ⅱ선 확대단면도.6 is an enlarged cross-sectional view taken along line II-II of FIG. 5;

본 발명은 도 1~ 도 4에 예시한 바와 같이 전동식콘베이어(60)위에 올려놓여진체 이송되는 밀봉할 포대(A)의 개방된 입구부분(a)이 통과하는 테이블(10)의 윗쪽에는 상기 포대(A)의 입구부분(a) 양측을 가열, 접합시켜주는 열풍기(12)와, 접합된 포대(A)의 입구부분(a) 양측을 압착시켜주는 압착롤(14), (14')이 지지되어 있고, 테이블(10)의 아래쪽에는 상기 전동식콘베이어(60)와 동일한 선속도로 주행하는 타이밍밸브(16), (16')가 구동풀리(18), (18')와 종동풀리(20), (20') 사이에서 서로 근접되게 순환회전할 수 있도록 되어 있어서 타이밍밸트(16)와 타이밍밸트(16')가 포대(A)의 입구부분(a)의 직하부(a') 양측을 안정되게 잡고서 직진할 수 있도록 되어 있다.1 to 4, the bag is placed above the table 10 through which the open inlet portion a of the bag A to be sealed is conveyed, which is placed on the electric conveyor 60. As shown in FIGS. The hot air blower 12 for heating and joining both sides of the inlet portion (a) of (A), and the pressing rolls 14 and 14 'for pressing both sides of the inlet portion (a) of the bonded bag A Under the table 10, timing valves 16 and 16 ', which run at the same linear speed as the electric conveyor 60, are driven pulleys 18, 18' and driven pulleys 20. ) And (20 ') so as to be able to rotate in close proximity to each other, so that the timing belt 16 and the timing belt 16' both sides of the inlet portion (a) of the inlet portion (a) of the bag (A) It is designed to hold on stably and go straight.

열풍기(12)는 도 2~ 도 4에 잘 표현된 바와 같이 마주보는 공기분배관(22), (22')의 내측에는 각각 공기분사노즐(24)과 공기분사노즐(24')이 대응되게 연결되어 있다.The hot air blower 12 has an air spray nozzle 24 and an air spray nozzle 24 'corresponding to the inner side of the air distribution pipes 22 and 22' facing each other, as shown in FIGS. It is connected.

공기분사노즐(24), (24')의 출구슬리트(26), (26')쪽에는 전기히터(28), (28')가 배열되어 있다.Electric heaters 28 and 28 'are arranged on the outlet slits 26 and 26' of the air injection nozzles 24 and 24 '.

공기분배관(22)과 공기분배관(22')은 연결관(30)으로 연결되어 있고, 연결관The air distribution pipe 22 and the air distribution pipe 22 'are connected to the connection pipe 30, the connection pipe

(30)에는 공기공급도관(32)이 연결되어 있으며, 이 공기공급도관(32)은 도면에서 표현이 생략된 통상의 송풍기와 연결되어 있다.An air supply conduit 32 is connected to the air supply conduit 32, and the air supply conduit 32 is connected to a conventional blower, which is omitted from the drawings.

이와 같은 열풍기(12)는 도 3과 도 4에 잘 표현된 바와 같이 표현이 생략된 송풍기와 전기히터(28), (28')를 가동시키면 공기분배관(22), (22')을 통해서 공기분사노즐(24), (24')로 유입되는 대기온도를 갖는 압축 공기를 전기히터(28), (28')로 가열하여 출구슬리트(26), (26')로 부터 고온의 공기를 포대(A)의 개방된 입구부분(a) 양측을 향하여 집중분사함으로서 포대(A)의 입구부분(a)을 가열, 접합시켜 줄 수 있도록 되어 있다.Such a hot air fan 12 is provided through the air distribution pipes 22 and 22 'by operating the blower and the electric heaters 28 and 28', which are omitted, as well represented in FIGS. 3 and 4. Hot air from the outlet slits 26 and 26 'by heating the compressed air having the atmospheric temperature flowing into the air spray nozzles 24 and 24' with the electric heaters 28 and 28 '. Is concentrated on both sides of the open inlet portion a of the bag A to heat and bond the inlet portion a of the bag A to each other.

본 발명에 있어서, 열풍기(12)는 밀봉대상 포대의 물성이나 종류 또는 크기에 맞추어서 여러개를 증설 할 수 도 있다.In the present invention, the plurality of hot air blowers 12 may be expanded in accordance with the properties, types or sizes of the bag to be sealed.

도면 중 미설명부로 34는 포대(A) 이송가이드, 36은 압착롤(14), (14')과 구동풀리(16), (16') 를 가동시켜주는 구동모터, b는 열접합부, c는 압착부이다.In the drawings, 34 is a conveying guide for the bag (A), 36 is a driving motor for operating the pressing rolls (14), (14 ') and the driving pulleys (16), (16'), b is a thermal joint, c Is a crimping part.

이와 같은 본 발명은 도 4에 잘 표현된 바와 같이 전동식콘베이어(60) 위에 올려놓여진 밀봉할 포대(A)의 개방된 입구부분(a)이 열풍기(12)쪽으로 이송되면 송풍기와 연결되는 공기공급도관(32), 연결관(30) 및 공기분배관(22), (22')과 공기분사노즐(24), (24')로 유입되는 공기를 전기히터(28), (28')로 가열 시키면서 공기분사노즐(24), (24')의 출구슬리트(26), (26')를 통해 고온의 공기 즉, 열풍을 포대(A)의 입구부분(a) 양측에 집중적으로 분사하여 포대(A)의 입구부분(a)을 가열, 접합시켜 준다.Such a present invention is an air supply conduit connected to the blower when the open inlet portion (a) of the bag (A) to be sealed is placed on the electric conveyor (60), as shown in FIG. (32), connecting pipe (30) and air distribution pipes (22), (22 ') and the air flowing into the air injection nozzles (24, 24') with electric heaters (28, 28 ') While hot air, that is, hot air, is injected to both sides of the inlet portion (a) of the bag A through the outlet slits 26 and 26 'of the air spray nozzles 24 and 24'. The inlet part (a) of (A) is heated and joined.

그리고 압착롤(14)과 압착롤(14')은 그들 사이로 진행하는 포대(A)의 입구부분(a)에 형성된 열접합부(b)를 압착시켜 준다.Then, the pressing roll 14 and the pressing roll 14 'compress the thermal bonding portion b formed at the inlet portion a of the bag A running therebetween.

따라서 포대(A)의 입구부분(a)은 열접합부(b)에 더하여 압착부(c)를 갖게 되어서 보다 견고하게 밀봉된다.Therefore, the inlet portion a of the bag A has a crimping portion c in addition to the thermal bonding portion b, thereby sealing more firmly.

이때, 테이블(10)의 아래쪽에서 순환회전하는 타이밍밸트(16), (16')는 포대 입구부분(a)이 아래로 처지지 않도록 그 직하부(a')를 잡고 직진시켜 주어서 상기 열풍기(12)와 압착롤(14), (14')로 열접합부(b)와 압착부(c)를 형성시켜 줄 때 열접합 상태와 압착상태가 치밀하고 균일해지도록 유지시켜 준다.At this time, the timing belts 16 and 16 'which are circulated under the table 10 are straightened by holding the lower portion a' so that the bag inlet portion a does not sag downward. 12) and the pressing rolls 14 and 14 'to form the thermal bonding portion (b) and the pressing portion (c) to keep the thermal bonding state and the pressing state dense and uniform.

본 발명은 포대(A)의 개방된 입구부분(a)쪽이 아래로 처지지 않도록 하면서 열접합해주는 것이므로 매우 치밀하고 균일하며 견고한 열접합부(b)로 포대(A)를 밀봉시켜 줄 수 있고, 열접합부(b)에 압착부(c)를 재차 형성해주어서 보다 견고하게 밀봉시켜 줄 수 있으며, 열풍기(12)가 반영구적이므로 유지, 보수비용이 저렴하고, 열효율이 우수하며, 가동율과 생산성을 향상시켜 줄 수 있는 등의 장점이 있다.In the present invention, since the open inlet portion (a) of the bag (A) is thermally bonded so as not to sag down, it is possible to seal the bag (A) with a very dense, uniform and solid thermal joint (b), Since the crimping portion (c) is formed again on the thermal bonding portion (b), it can be more firmly sealed. Since the hot air blower 12 is semi-permanent, the maintenance and repair cost is low, the thermal efficiency is excellent, and the operation rate and productivity are improved. There are advantages such as giving.

Claims (4)

포대입구부분(a)의 양측에 가열공기가 공급되는 공기분사노즐(24), (24')의 출구슬리트(26), (26')가 마주보게 설치되어 있는 것을 특징으로 하는 합성수지제 포대의 밀봉장치.Bags made of synthetic resin, characterized in that air outlet nozzles 24 and 24 'outlet slits 26 and 26', which are supplied with heated air, are provided opposite to both sides of the bag inlet portion a. Sealing device. 제 1항에 있어서, 공기분사노즐(24), (24')의 출구슬리트(26), (26')내에 전기히터(28), (28')를 배열시켜서 된 것임을 특징으로하는 합성수지제 포대의 밀봉장치.The synthetic resin agent according to claim 1, wherein the electric heaters 28 and 28 'are arranged in the outlet slits 26 and 26' of the air spray nozzles 24 and 24 '. Sealing device of bag. 제 1 항에 있어서, 열풍기(12) 뒤쪽에는 압착롤(14), (14')이 마련되어 있는것을 특징으로하는 합성수지제 포대의 밀봉장치.2. The sealing apparatus of a synthetic resin bag according to claim 1, wherein pressing rolls (14, 14 ') are provided behind the hot air blower (12). 제 1 항에 있어서, 테이블(10)의 아래쪽에는 포대입구부분(a)의 직하부(a') 양측을 잡고서 직진 시켜주는 타이밍밸트(16), (16')가 마련되어 있는 것을 특징으로 하는 합성수지제 포대의 밀봉장치.2. The synthetic resin according to claim 1, wherein timing belts (16 ') and (16') are provided below the table (10) to hold both sides of the bag bottom portion (a) and to move straight. Seal of 1st bag.
KR1020010026432A 2001-05-15 2001-05-15 Sealing apparatus for synthetic resin bags KR20010069849A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011040994A1 (en) * 2009-10-02 2011-04-07 Graphic Packaging International, Inc. Heat sealing systems and methods, and related articles and materials
US8753012B2 (en) 2006-06-29 2014-06-17 Graphic Flexible Packaging, Llc High strength packages and packaging materials
US8826959B2 (en) 2006-06-29 2014-09-09 Graphic Packaging International, Inc. Heat sealing systems and methods, and related articles and materials
US10029407B2 (en) 2014-12-04 2018-07-24 Big Heart Pet, Inc. Apparatus, processes, and systems for heat sealing
WO2023063674A1 (en) * 2021-10-14 2023-04-20 오씨아이 주식회사 Case inlet bonding apparatus and case inlet bonding method using same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8753012B2 (en) 2006-06-29 2014-06-17 Graphic Flexible Packaging, Llc High strength packages and packaging materials
US8826959B2 (en) 2006-06-29 2014-09-09 Graphic Packaging International, Inc. Heat sealing systems and methods, and related articles and materials
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