TWM565884U - Gas-permeable hot sealing machine - Google Patents

Abstract

A gas permeable film heat sealer comprising a feeding mechanism; a punching mechanism disposed on a discharge side of the feeding mechanism; a pre-sealing mechanism disposed on a discharge side of the punching mechanism, the pre-preparation The sealing mechanism is provided with a first upper heat sealing mold and a first lower heat sealing mold; a gas permeable film feeding mechanism is disposed on one side of the pre-sealing mechanism, the gas permeable film feeding mechanism has a cutting mechanism and two gas permeable membranes The feeding arm; an isolating heat sealing mechanism is disposed on the discharging side of the pre-sealing mechanism, and the isolating heat sealing mechanism is provided with a second upper heat sealing mold, a second lower heat sealing mold and a separating plate. In this way, the creation of the plastic bag with the gas permeable membrane can be automated, thereby improving the production efficiency and reducing the labor and manufacturing costs, thereby greatly improving the practicality of the creation.

Description

Breathable film heat sealing machine

This creation is about a plastic bag manufacturing equipment.

According to the traditional vegetables sold in the traditional market, there is no outer packaging. If stored directly in the refrigerator, it may cause damage to the vegetables themselves due to direct exposure to cold air, so it is not conducive to preservation, so the supermarket or Vegetables sold in fresh-selling places generally have plastic bags as outer packaging. However, plastic bags traditionally used for packaging fruits and vegetables generally do not have a breathable structure and function. As a result, the vegetables in the plastic bags will also rise due to humidity. Without ventilating and other problems, it quickly deteriorates, and it cannot be placed in the refrigerator for a long time. For the above dilemma, the industry has developed a breathable plastic bag that is dug or cut out on a bag of a plastic bag. a hole of a size such as a round hole, and then a gas permeable film (such as a breathable paper film, the size of which is usually slightly larger than the hole) is combined with a sealing or heat sealing to the bag body and the hole is filled up, thus The plastic bag can be kept closed in appearance but at the same time has a gas permeable property.

However, the above-mentioned gas permeable plastic bags are currently assembled and produced in an artificial manner, and there are problems such as requiring a large amount of labor, low production efficiency, and high production cost. Therefore, how to improve the above-mentioned defects, that is, the creator of the case The technical difficulties to be solved are located.

In view of the above-mentioned manufacturing of plastic bags with breathable functions The problem, therefore, the purpose of this creation is to develop a plastic bag manufacturing equipment that can automatically produce plastic bags with breathable functions.

In order to achieve the above objective, the present invention provides a gas permeable film heat sealing machine comprising: a feeding mechanism; a punching mechanism disposed on a discharge side of the feeding mechanism; and a pre-sealing mechanism disposed on the a discharge side of the punching mechanism, the pre-sealing mechanism is provided with a first upper heat sealing mold and a first lower heat sealing mold; a gas permeable film feeding mechanism is disposed on one side of the pre-sealing mechanism, the gas permeable film feeding mechanism The utility model has a cutting mechanism and two gas permeable film feeding arms in an upper and lower corresponding configuration; an isolating heat sealing mechanism is arranged on the discharging side of the pre-sealing mechanism, and the isolating heat sealing mechanism is provided with a second upper heat sealing a mold, a second lower heat seal mold, and a separator disposed between the second upper heat seal mold and the second lower heat seal mold.

The gas permeable membrane feed arm has a take-up portion, the take-up portion is provided with a vacuum suction hole, and a heat-sealing mold through hole is formed in the take-up portion.

Further, a first spacing adjustment mechanism is further disposed between the punching mechanism and the pre-sealing mechanism, and the first spacing adjustment mechanism is provided with two first fixed rollers at the same height and one movable up and down relative to the first fixed roller. And adjust the first active scroll wheel in its height position.

Further, a second spacing adjustment mechanism is further disposed between the pre-sealing mechanism and the isolation heat sealing mechanism, wherein the second spacing adjustment mechanism is provided with two second fixed rollers at the same height and one can be moved up and down relative to the second fixed roller. A second movable scroll wheel that moves to adjust its height position.

Further, a force leveling mechanism is further disposed between the feeding mechanism and the punching mechanism.

In this way, the creation can automatically produce plastic bags with breathable membranes. The function can improve the production efficiency and reduce the manpower use and manufacturing cost, which can greatly improve the practicality of the creation.

1‧‧‧Feeding agency

2‧‧‧ Tension leveling mechanism

21‧‧‧Roller

3‧‧‧punching mechanism

4‧‧‧First spacing adjustment mechanism

41‧‧‧First fixed roller

42‧‧‧First activity scroll wheel

5‧‧‧Pre-sealing institutions

51‧‧‧First hot stamping

52‧‧‧First hot stamping

6‧‧‧ Breathable film feeding mechanism

61‧‧‧ cutting mechanism

62‧‧‧ Breathable film feed arm

621‧‧‧Receiving Department

622‧‧‧Hot seal through hole

7‧‧‧Second spacing adjustment mechanism

71‧‧‧Second fixed roller

72‧‧‧Second activity scroll wheel

8‧‧‧Isolation heat sealing mechanism

81‧‧‧Second upper heat sealer

82‧‧‧Second hot seal

83‧‧‧Isolation board

90‧‧‧ plastic bag body

91‧‧‧Plastic layer

92‧‧‧Plastic layer

93‧‧‧ hole

95‧‧‧ Breathable film parts

96‧‧‧ breathable membrane

The first figure is a schematic side view of an embodiment of the present creation.

The second figure is a schematic top view of a gas permeable membrane feeding mechanism of one embodiment of the present invention.

The third figure is a schematic diagram of the action of punching one embodiment of the present creation.

The fourth figure is a schematic diagram of the operation of the gas-permeable membrane pre-pressure heat sealing in one embodiment of the present invention.

The fifth figure is a schematic view of an embodiment of the present invention for performing a pre-pressure heat sealing of a gas permeable membrane.

The sixth figure is a schematic diagram of the action of the gas permeable membrane isolation heat sealing in one embodiment of the present invention.

The seventh figure is a schematic view of a plastic bag body after the gas-permeable film is sealed in an embodiment of the present invention.

Please refer to the first figure and the second figure, which is a structural schematic diagram of an embodiment of the gas permeable film heat sealing machine of the present invention. The gas permeable film heat sealing machine is used for manufacturing a plastic bag with a gas permeable membrane. The film heat sealing machine comprises: a feeding mechanism 1 which is usually a feeding frame, generally located at the starting end of the entire shooting device (ie, the feeding end), and the feeding mechanism 1 is used for setting In the present embodiment, the material piece is a full-volume plastic bag body 90. Please refer to the third figure, the plastic bag body 90 usually includes two upper and lower overlapping frames. The plastic layers 91, 92, and the left and right sides of the two plastic layers 91, 92 are respectively connected together, in addition, the front and rear ends of the plastic bag body 90 of the raw material stage are generally open, Conducive to transport or processing, in addition, it can be noted that in order to simplify the description, in part of the creation of the drawing (such as the first figure), at least part of the plastic The bag body 90 is presented in a single layer structure (although the plastic bag body 90 is actually a two-layer structure).

A tension leveling mechanism 2 is disposed on the discharge side of the feeding mechanism 1. The tension leveling mechanism 2 is mainly composed of a roller 21 for providing proper tension to the plastic bag body 90, and pulling it into a flattening The strip is shaped to facilitate subsequent processing.

A punching mechanism 3 is disposed on the discharge side of the tension leveling mechanism 2, and the punching mechanism 3 may specifically be a punching machine. Therefore, please refer to the third and fourth figures, the punching mechanism 3, a hole 93 can be formed in the plastic bag body 90. It can be noted that since the plastic bag body 90 actually has two upper and lower plastic layers 91 and 92, in the present creation, the punching mechanism 3 The secondary operation will respectively punch holes 93 on the two plastic layers 91 and 92 of the plastic bag body 90. Further, the detailed structure of the feeding mechanism 1, the tension leveling mechanism 2 and the punching mechanism 3 are generally in the art. Knowledge is not the point of invention in this case, so it will not be detailed here.

A first spacing adjustment mechanism 4 is disposed on the discharge side of the punching mechanism 3, and the first spacing adjustment mechanism 4 is provided with two first fixed rollers 41 at the same height and one opposite to the first fixed roller 41. a first movable roller 42 that moves up and down to adjust its height position, wherein the first movable roller 42 can be specifically configured to adjust a height position by a component such as a rotating handle, a screw and a gear (not shown), thereby The first spacing adjustment mechanism 4 can adjust the height position of the first movable roller 42 according to the length dimension or actual demand of the finished plastic bag, so that the plastic bag body 90 is located on the entire first spacing adjustment mechanism 4. The (total) length of the portion can be maintained at an integral multiple of the length dimension of the finished plastic bag, so that the first spacing adjustment mechanism 4 can provide the function of assisting monitoring or checking whether the position of the material is correct in production.

A pre-sealing mechanism 5 is disposed on the discharge side of the first spacing adjustment mechanism 4, and the pre-sealing mechanism 5 is provided with a first upper heat sealing mold 51 and a first lower heat sealing mold 52. Plastic The plastic bag body 90 is located between the first upper heat sealing mold 51 and the first lower heat sealing mold 52. More specifically, the first upper heat sealing mold 51 and the first lower heat sealing mold 52 are respectively The power mechanism is driven by a pneumatic cylinder (not shown), so that the first upper heat sealing mold 51 and the first lower heat sealing mold 52 can respectively perform holes 93 and ventilate the plastic layers 91 and 92 of the plastic bag body 90. Pre-pressure heat sealing of the membrane.

a gas permeable membrane feeding mechanism 6, as shown in the second figure, the gas permeable membrane feeding mechanism 6 is disposed on the side of the pre-sealing mechanism 5, the gas permeable membrane feeding mechanism 6 has a cutting mechanism 61 and two uppers, The corresponding gas permeable membrane feeding arm 62 is arranged to take the cut gas permeable membrane onto the holes 93 of the plastic layers 91 and 92 of the plastic bag body 90 for the subsequent sealing operation of the pre-sealing mechanism 5, Here, it can be noted that since the second drawing is presented in a plan view, only a single gas permeable film feed arm 62 is provided, and the gas permeable film feed arm 62 has a take-out portion 621. In this embodiment, The reclaiming portion 621 is provided with a vacuum suction hole (not shown) or the like, that is, the reclaiming portion 621 functions to take a gas permeable membrane by vacuum adsorption, and the reclaiming portion 621 is Forming a heat sealing mold through hole 622 for the first upper heat sealing mold 51 or the first lower heat sealing mold 52 of the pre-sealing mechanism 5 to pass through, so that the heat sealing mold can be used for the gas permeable film and the plastic bag. The body 90 is sealed, but in other possible embodiments, the reclaiming portion 621 can also adopt other principles. The structure is configured to realize the function of picking up and venting the gas permeable membrane. For example, the picking portion 621 is provided with a structure such as a clamp arm or an adhesive layer. The present invention does not limit this. In addition, the gas permeable membrane feeding mechanism 6 usually includes A gas permeable film rack (not shown) is provided for the gas permeable film member 95 (usually a gas permeable film in a full roll state). At this time, in the present embodiment, the gas permeable film is placed. The number of shelves is also two to match the two gas permeable film feed arms 62.

A second spacing adjustment mechanism 7 is disposed on the discharge side of the pre-sealing mechanism 5, and the second spacing adjustment mechanism 7 is provided with two second fixed rollers 71 at the same height and one a second movable roller 72 that adjusts its height position relative to the second fixed roller 71, wherein the specific structure of the second pitch adjusting mechanism 7 and the first pitch adjusting mechanism 4 may be the same, whereby The second pitch adjustment mechanism 7 can also provide the function of assisting in monitoring or checking whether the position of the material is correct in production.

An isolating heat sealing mechanism 8 is disposed on the discharge side of the second pitch adjusting mechanism 7. The isolating heat sealing mechanism 8 is provided with a second upper heat sealing die 81, a second lower heat sealing die 82, and a The separating plate 83 between the second upper heat sealing die 81 and the second lower heat sealing die 82, wherein the separating plate 83 is used for the plastic bag body 90 to pass through and pass, and the plastic bag body 90 is The two plastic layers 91 and 92 are respectively located above and below the partitioning plate 83. In the embodiment, the separating plate 83 is disposed obliquely, so that the second upper heat sealing die 81 and the second lower heat sealing die are arranged. 82 is also arranged obliquely to ensure that the second upper heat sealing die 81 and the second lower heat sealing die 82 are orthogonal or perpendicular to the separating plate 83, respectively, wherein the separating plate 83 is inclined The arrangement, rather than the general horizontal arrangement, allows the spacer 83 to move without gravity to the material (ie, the plastic bag 90) during production, so that the device does not need or can reduce additional connections or fixing structures. So that this creation can have the characteristics of a simplified structure.

The working principle of the creation is described below: Please refer to the third figure. At the beginning, the punching mechanism 3 is respectively formed with holes 93 on the two plastic layers 91 and 92 of the plastic bag body 90. Next, please Referring to the fourth and fifth figures, the two gas permeable membrane feed arms 62 will be close to each other, and the two gas permeable membrane material members 95 in the upper and lower corresponding configurations are clamped to the two gas permeable membrane feed arms 62. Among the reclaiming portions 621 (it should be noted that in the above figures, due to the viewing angle limitation, only a single gas permeable film member 95 is also present), at which time the cutting mechanism 61 is actuated, and The gas permeable membrane member 95 cuts two gas permeable membranes of appropriate size and superposed on the upper and lower sides (generally, the size of the gas permeable membrane should be larger than the size of the holes 93), and then, the two gas permeable membranes are fed. Reclaiming portion of arm 62 621 actuation, for example, suctioning a gas permeable membrane by vacuum adsorption, at which time the two gas permeable membrane feed arms 62 can be separated again. Next, the two gas permeable membrane feed arms 62 can be moved, for example, rotated. As shown in the fifth figure, the take-up portions 621 of the two gas permeable film feed arms 62 can respectively suck and move the gas permeable membrane to the upper or lower side of the hole 93 of the plastic bag body 90. Next, the pre-sealing mechanism 5 The first upper heat sealing mold 51 and the first lower heat sealing mold 52 can respectively pass through the heat sealing mold through holes 622 of the two gas permeable film feeding arms 62, thereby using the heat sealing pressure principle to the two gas permeable membranes. They are respectively heat-sealed with the holes 93 on the plastic layers 91 and 92 of the plastic bag body 90. Thus, the creation of the plastic bag body 90 and the gas permeable film has been completed. Here, it is worth noting that at this stage. In the heat sealing process, the first upper heat sealing mold 51 and the first lower heat sealing mold 52 are used for preheating heat sealing operation using a lower temperature and pressure, in order to avoid the two plastics of the plastic bag body 90. The layers 91, 92 adhere to each other due to overheating, but at the same time allow the two plastic layers 91, 92 maintains a preliminary bonding force with each of the gas permeable membranes. Therefore, referring to the sixth figure, the plastic bag body 90 can be passed through the separator plate 83 of the heat sealing mechanism 8 . The two plastic layers 91, 92 of the plastic bag body 90 are respectively located above and below the partitioning plate 83, that is, the two plastic layers 91, 92 can be separated by the partitioning plate 83, and thus, The second upper heat sealing mold 81 and the second lower heat sealing mold 82 can perform a second heat sealing operation on each of the plastic layers 91 and 92 and each of the gas permeable membranes 96 at a relatively high temperature and pressure, thereby The plastic layers 91 and 92 are firmly combined with the gas permeable membranes 96, and at the same time, the two plastic layers 91 and 92 of the plastic bag body 90 are prevented from sticking after the heat sealing process, as shown in the seventh figure. Ensure the reliability of the finished plastic bag.

With the above structure, the present invention can realize the function of automatically producing a plastic bag having a gas permeable membrane, thereby improving production efficiency and reducing labor and manufacturing costs, thereby greatly improving the practicality of the creation.

Claims (5)

A gas permeable film heat sealing machine comprises: a feeding mechanism; a punching mechanism disposed on a discharge side of the feeding mechanism; and a pre-sealing mechanism disposed on a discharging side of the punching mechanism, the pre-preparation The sealing mechanism is provided with a first upper heat sealing mold and a first lower heat sealing mold; a gas permeable film feeding mechanism is disposed on one side of the pre-sealing mechanism, the gas permeable film feeding mechanism has a cutting mechanism and two uppers And a corresponding gas permeable membrane feeding arm; an isolating heat sealing mechanism is disposed on the discharge side of the pre-sealing mechanism, the isolating heat sealing mechanism is provided with a second upper heat sealing mold and a second lower heat sealing mold; A separator disposed between the second upper heat seal mold and the second lower heat seal mold. The ventilating film heat sealer of claim 1, wherein the gas permeable film feed arm has a take-up portion, the take-up portion is provided with a vacuum suction hole, and a heat seal mold is formed on the take-up portion. hole. The ventilating film heat sealing machine of claim 1, wherein the first spacing adjustment mechanism is provided with two first spacing adjustment mechanisms between the punching mechanism and the pre-sealing mechanism. The first fixed roller and a first movable roller that can move up and down relative to the first fixed roller to adjust its height position. The ventilating film heat sealing machine of claim 3, wherein a second spacing adjustment mechanism is further disposed between the pre-sealing mechanism and the isolating heat sealing mechanism, and the second spacing adjustment mechanism is provided with two at the same height. The second fixed roller and a second movable roller that can move up and down relative to the second fixed roller to adjust its height position. The gas permeable film heat sealer of claim 4, wherein a force leveling mechanism is further disposed between the feeding mechanism and the punching mechanism.