CN206307483U - Shockproof cushioning packaging bag - Google Patents

Abstract

The utility model relates to a shockproof cushioning packaging bag, which comprises an upper film and a lower film, and is characterized in that: end heat sealing lines are arranged at the two ends of the upper film and the lower film, and the middle part of the upper film and the lower film is provided with a The air channel, the air inlet channel separates the upper film and the lower film into a first bag and a second bag; a plurality of longitudinal heat-sealing lines are arranged on the upper film and the lower film, and the first bag and the second bag A plurality of air cavities are formed on the top; check valve structures are arranged on both sides of the air intake channel between the first bag body and the second bag body, and one end of the air intake channel is a gas inlet. The utility model integrates two packaging bags into one body, which can realize two packaging bags at one time and effectively improve the production efficiency; after the production is completed, the separation of the first bag body and the second bag body can be realized Separation, easy to operate.

Description

Shockproof cushioning bag

technical field

The utility model relates to a shockproof and cushioning packaging bag, in particular to a packaging bag structure integrating two packaging bag structures.

Background technique

In the process of product packaging and transportation, in order to prevent collision and shock, most of them are packed in air-filled shockproof bags. The shockproof cushioning packaging bag used in the prior art is generally formed by connecting several air columns, and the air columns are separated by heat-sealing lines. The top of the air column bag is provided with a gas channel and a check for automatic air lock after inflation. valve.

The existing production process of the shockproof cushioning packaging bag mainly includes: (1) the upper film and the air valve film are hot-pressed in the mold to form a check valve structure; (2) the upper film and the lower film are hot-pressed in the mold to form a longitudinal heat-sealing line Air column structure; (3) The upper and lower ends of the upper film and the lower film are hot-pressed in the mold to form the upper heat-sealing line and the lower heat-sealing line; (4) Cutting after winding, when cutting, along the air column bag Cut on both sides. A roll of shockproof cushioning packaging bag can be produced through the above process. How to improve production efficiency is the direction that enterprises need to study.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a shockproof cushioning packaging bag, which can realize simultaneous production of two packaging bags and effectively improve production efficiency.

According to the technical solution provided by the utility model, the shockproof cushioning packaging bag includes an upper film and a lower film, and is characterized in that: end heat-sealing lines are set at both ends of the upper film and the lower film, and the upper film and the lower film The middle part of the film is provided with an air inlet passage, and the air inlet passage separates the upper film and the lower film into a first bag body and a second bag body; a plurality of longitudinal heat-sealing lines are arranged on the upper film and the lower film, and the first bag body A plurality of air cavities are formed on the first bag body and the second bag body; check valve structures are arranged on both sides of the air intake channel between the first bag body and the second bag body, and one end of the air intake channel is a gas inlet.

Further, a separating heat-sealing line is set in the middle of the air intake channel between the upper film and the lower film.

Further, a dividing line is set in the middle of the dividing heat-sealing line.

Further, the check valve structure includes an upper air valve film and a lower air valve film, and the upper air valve film and the lower air valve film are arranged between the upper film and the lower film; There is an inlet heat-sealing line, which heat-seals the upper film, the lower film, the upper air valve film and the lower air valve film together, and the air inlet channel is located between the heat-sealing line and the air inlet heat seal. between the sealing lines; the heat-resistant layer is intermittently coated between the upper air valve film and the lower air valve film, and the heat-resistant layer is located at the top of the longitudinal heat-sealing line on the first bag body and the second bag body, and spans Through the heat-sealing line of the inlet channel, an air-inlet opening is formed on the upper part of the longitudinal heat-sealing line of the first bag body and the second bag body, and the air-inlet opening opening communicates with the air cavity on both sides of the longitudinal heat-sealing line.

Further, the heat-resistant layer straddles the separating heat-sealing line, and both ends of the heat-resistant layer extend below the heat-sealing line of the air inlet of the first bag body and the second bag body.

Further, several air-conducting heat-sealing lines and/or air-conducting heat-sealing points are arranged on the upper part of the air cavity, and the air-conducting heat-sealing lines and/or air-conducting heat-sealing points connect the upper air valve film, the lower air valve film and the The three layers of the lower film are heat-sealed together, or the three layers of the upper air valve film, the lower air valve film and the upper film are heat-sealed together to form a gas guide connecting the air cavity between the upper air valve film and the lower air valve film passage, and the gas guide passage communicates with the air intake opening.

Further, the first bag body and the second bag body are arranged symmetrically along the separating heat-sealing line.

Further, the first bag and the second bag have the same structure.

Further, there are one or two separating heat-sealing lines.

Further, the air cavity is cylindrical.

The shockproof cushioning packaging bag of the utility model has the following advantages: (1) The utility model integrates two packaging bags into one body, which can realize two packaging bags at one time and effectively improve the production efficiency; (2) After the production is completed, the separation of the first bag body and the second bag body can be realized through the dividing line, and the operation is convenient.

Description of drawings

Fig. 1 is a structural schematic diagram of the shockproof cushioning packaging bag described in the present invention.

Fig. 2 is a schematic view of the gas inlets of the first bag and the second bag.

Fig. 3 is a sectional view along line A-A of Fig. 1 .

Fig. 4 is a B-B sectional view of Fig. 1 .

Fig. 5 is a C-C sectional view of Fig. 1 .

detailed description

Below in conjunction with specific accompanying drawing, the utility model is further described.

As shown in Figures 1 to 5: the shockproof cushioning packaging bag includes a first bag body 1, a second bag body 2, an air cavity 10, a longitudinal heat-sealing line 11, a gas inlet 21, an upper film 31, a lower film 32, Upper air valve film 33, lower air valve film 34, heat-resistant layer 35, air intake opening 36, gas guide passage 37, air intake passage 40, separation heat sealing line 41, end heat sealing line 42, air intake channel Heat-sealing line 43, air-conducting heat-sealing line and/or air-conducting heat-sealing point 44, dividing line 5, etc.

As shown in Figure 1, the shockproof cushioning packaging bag described in the utility model comprises an upper film 31 and a lower film 32, the two ends of the upper film 31 and the lower film 32 are provided with end heat-sealing lines 42, and the upper film 31 and the lower film 32 The middle part is provided with separating heat-sealing line 41, and separating heat-sealing line 41 separates upper film 31 and lower film 32 into symmetrical first bag body 1 and second bag body 2, first bag body 1 and second bag body 2 have the same structure; a dividing line 5 is set in the middle of the separating heat-sealing line 41, so as to separate the first bag body 1 and the second bag body 2. During specific implementation, the separating heat-sealing line 41 can also be set to two, and the dividing line 5 is arranged in the middle of the two separating heat-sealing lines 41. In actual use, the first bag body 1 and the second bag Body 2 is cut open. Here, the dividing line 5 may not be provided, and the first bag body 1 and the second bag body 2 are used together during use.

A plurality of longitudinal heat-sealing lines 11 are arranged on the upper film 31 and the lower film 32, and a plurality of air cavities 10 for inflation are formed on the first bag body 1 and the second bag body 2, and the air cavities 10 are generally cylindrical . The upper air valve film 33 and the lower air valve film 34 are arranged on both sides of the separation heat sealing line 41 between the first bag body 1 and the second bag body 2, and the upper air valve film 33 and the lower air valve film 34 are arranged Between the upper film 31 and the lower film 32; on both sides of the separation heat-sealing line 41, an inlet heat-sealing line 43 is arranged, and the air inlet heat-sealing line 43 connects the upper film 31, the lower film 32, the upper film The air valve film 33 and the lower air valve film 34 are heat-sealed together, thereby forming an air intake channel 40 between the separating heat-sealing line 41 and the air inlet channel heat-sealing line 43 , and one end of the air intake channel 40 is the gas inlet 21 . Between the upper air valve film 33 and the lower air valve film 34, the heat-resistant layer 35 is intermittently coated by printing, and the heat-resistant layer 35 is positioned on each longitudinal heat-sealing line 11 across the separating heat-sealing line 41, Both ends of the heat-resistant layer 35 extend below the heat-sealing line 43 of the air inlet, thereby forming an air intake opening 36 on the upper part of the longitudinal heat-sealing line 11 of the first bag 1 and the second bag 2 respectively, and the air intake is opened. The port 36 communicates with the air cavity 10 on both sides of the longitudinal heat-sealing line 11 .

As another embodiment of the present utility model, the heat-resistant layer 35 can also be provided on both sides of the separating heat-sealing line 41, without crossing the separating heat-sealing line 41; at this time, the heat-resistant layer 35 is located in the first bag 1 and the upper part of the longitudinal heat-sealing line 11 on the second bag body 2 , across the heat-sealing line 43 of the air inlet passage, so as to communicate with the air inlet passage 40 and the air cavity 10 .

Several air conduction heat seal lines and/or air conduction heat seal points 44 are arranged on the upper part of the air cavity 10, and the air conduction heat seal lines and/or air conduction heat seal points 44 connect the upper air valve film 33 and the lower air valve film 34 and the lower film 32 are heat-sealed together in three layers (as shown in Figure 5), or the upper air valve film 33, the lower air valve film 34 and the upper film 31 are heat-sealed together in three layers, so that the upper air valve film 33 A gas guide passage 37 communicating with the air cavity 10 is formed between the lower air valve film 34, and the gas guide passage 37 communicates with the air intake opening 36; After the inflation is completed, the upper air valve film 33 and the lower air valve film 34 are tightly pressed against the lower film 32 or the upper film 31 to close the gas guide passage 37 between the upper air valve film 33 and the lower air valve film 34, A non-return function is generated to prevent the gas in the air chamber 10 from leaking out.

When the shockproof cushioning packaging bag described in the utility model is in use, gas is filled into each air cavity 10 from the gas inlet 21 through an inflating device (such as an air compressor, an air gun, etc.), and the gas enters the air cavity through the air inlet opening 36 10. The utility model integrates the first bag body 1 and the second bag body 2, and can produce two packaging bags at one time during production, effectively improving production efficiency; after the production is completed, the first bag body and the second bag body can be realized through the dividing line. The separation of the second bag is easy to operate.

Claims (10)

1. A shockproof cushioning packaging bag, comprising an upper film (31) and a lower film (32), characterized in that: heat-sealing lines are provided at both ends of the upper film (31) and the lower film (32) (42), the middle part of the upper film (31) and the lower film (32) is provided with an air inlet passage (40), and the air inlet passage (40) separates the upper film (31) and the lower film (32) into a first bag body ( 1) and the second bag body (2); the upper film (31) and the lower film (32) are provided with a plurality of longitudinal heat-sealing lines (11), between the first bag body (1) and the second bag body ( 2) A plurality of air cavities (10) are formed on the top; check valve structures are arranged on both sides of the air intake channel (40) between the first bag body (1) and the second bag body (2), and the air intake channel One end of (40) is gas inlet (21). 2. The shockproof and cushioning packaging bag according to claim 1, characterized in that: a separating heat-sealing line (41) is set in the middle of the air intake channel (40) between the upper film (31) and the lower film (32) ). 3. The shockproof and cushioning packaging bag according to claim 2, characterized in that: a dividing line (5) is set in the middle of the dividing heat sealing line (41). 4. The shockproof and cushioning packaging bag according to claim 2, characterized in that: the check valve structure includes an upper air valve film (33) and a lower air valve film (34), the upper air valve film (33) and the lower air valve film The air valve film (34) is set between the upper film (31) and the lower film (32); on both sides of the separating heat sealing line (41) there are air inlet heat sealing lines (43), A heat-sealing line (43) heat-seals the upper film (31), the lower film (32), the upper air valve film (33) and the lower air valve film (34) together, and the air inlet channel (40) is located at the separation heat Between the sealing line (41) and the heat sealing line (43) of the air inlet; between the upper air valve film (33) and the lower air valve film (34), the heat-resistant layer (35) is intermittently coated, and the heat-resistant The layer (35) is located on the upper part of the longitudinal heat-sealing line (11) on the first bag body (1) and the second bag body (2), and crosses the heat-sealing line (43) of the air inlet, so that the first bag The upper part of the longitudinal heat-sealing line (11) of the body (1) and the second bag body (2) forms an air intake opening (36), and the air intake opening (36) is connected with the longitudinal heat-sealing line (11) on both sides. The air cavity (10) is connected. 5. The shockproof and cushioning packaging bag according to claim 4, characterized in that: the heat-resistant layer (35) straddles the separating heat-sealing line (41), and the two ends of the heat-resistant layer (35) extend to the first Below the heat sealing line (43) of the air inlet of the bag body (1) and the second bag body (2). 6. The shockproof and cushioning packaging bag according to claim 1, characterized in that: several air-conducting heat-sealing lines and/or air-conducting heat-sealing points (44) are arranged on the upper part of the air chamber (10), the air-conducting heat The sealing line and/or the air guide heat sealing point (44) heat-seals the upper air valve film (33), the lower air valve film (34) and the lower film (32) together, or the upper air valve film (33 ), the lower air valve film (34) and the upper film (31) are heat-sealed together in three layers, thereby forming a gas chamber (10) between the upper air valve film (33) and the lower air valve film (34). A guide passage (37), the gas guide passage (37) communicates with the air intake opening (36). 7. The shockproof and cushioning packaging bag according to claim 2, characterized in that: the first bag body (1) and the second bag body (2) are arranged symmetrically along the separation heat-sealing line (41). 8. The shockproof and cushioning packaging bag according to claim 1, characterized in that: the first bag body (1) and the second bag body (2) have the same structure. 9. The shockproof and cushioning packaging bag according to claim 2, characterized in that: there are one or two separating heat-sealing lines (41). 10. The shockproof and cushioning packaging bag according to claim 1, characterized in that: the air cavity (10) is cylindrical.