Zipper sealing and ironing device of heat preservation bag making machine

Abstract

The utility model relates to the technical field of bag making machines, in particular to a zipper sealing and ironing device of a heat preservation bag making machine, which comprises a zipper heat sealing frame, a zipper heat sealing plate arranged in the middle of the zipper heat sealing frame, an upper zipper heat sealing assembly and a lower zipper heat sealing assembly, the upper zipper heat-sealing assembly and the lower zipper heat-sealing assembly are arranged on the upper side and the lower side of the zipper heat-sealing plate respectively, a zipper feeding piece for conveying zippers is arranged on one side of the zipper heat-sealing plate, and a first belt surrounding the upper zipper heat-sealing assembly and a second belt surrounding the lower zipper heat-sealing assembly are erected on the zipper heat-sealing frame. The first belt comprises a first anti-scalding section located above the second heat sealing plate, the second belt comprises a second anti-scalding section located below the zipper receding groove, and the upper sealing cutter and the lower sealing cutter are arranged on the upper side and the lower side of the first heat sealing plate respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of bag making machines, in particular to a zipper sealing and ironing device of a heat preservation bag making machine. Background Art

[0002] Bag making machines are favored by people for their high efficiency and full automation, and are widely used in the production of different bags.

[0003] The utility model patent with patent application number CN202222374630.8 discloses a zipper assembly mechanism of a zipper bag making machine, including a frame, a heat sealing plate arranged on the frame, and a heat sealing assembly arranged on the heat sealing plate. The end of the frame away from the heat sealing plate is provided with a traction assembly for driving the bag body to move along the heat sealing plate. The heat sealing assembly includes a heat sealing frame, heat sealing knives arranged at both ends of the heat sealing frame toward the heat sealing plate, and a heat sealing cylinder for driving the heat sealing knives to intermittently heat seal with the heat sealing plate. In order to make the zipper and the bag opening more closely fit, the zipper assembly mechanism is provided with a cold pressing assembly between the heat sealing assembly and the traction assembly. In order to cool the zipper after heat sealing, to prevent the zipper from sticking to the heat sealing plate or moving in an unstable state, resulting in an uneven zipper, a water injection hole is provided on the heat sealing plate, and the water injection hole is mutually conductive with the heat sealing plate. However, the provision of the cold pressing assembly and the water injection hole cannot prevent the packaging bag from being burned when the zipper is heat sealed. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a zipper sealing and ironing device for a heat-insulating bag making machine in view of the above-mentioned deficiencies in the prior art, so as to protect the bag body from being damaged by heat during heat sealing and improve the qualified rate of zipper sealing and ironing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a zipper sealing and ironing device of an insulation bag making machine, comprising a zipper heat-sealing frame, a zipper heat-sealing plate arranged in the middle of the zipper heat-sealing frame, an upper zipper heat-sealing assembly and a lower zipper heat-sealing assembly arranged at the upper and lower ends of the zipper heat-sealing frame, the upper zipper heat-sealing assembly and the lower zipper heat-sealing assembly are respectively arranged on the upper and lower sides of the zipper heat-sealing plate, the upper zipper heat-sealing assembly comprises an upper sealing knife and an upper heat-sealing cylinder driving the upper sealing knife to move in a vertical direction, the lower zipper heat-sealing assembly comprises a lower sealing knife and a lower heat-sealing cylinder driving the lower sealing knife to move in a vertical direction, a zipper feeding piece for conveying the zipper is provided on one side of the zipper heat-sealing plate, the zipper heat-sealing plate comprises a heat-sealing plate connecting part connected to the zipper heat-sealing frame, and one side of the heat-sealing plate connecting part is provided with a first heat-sealing plate and a second heat-sealing plate parallel to each other. Heat sealing plates, the first heat sealing plate and the second heat sealing plate are located between the upper zipper heat sealing component and the lower zipper heat sealing component, the second heat sealing plate is located on the side of the heat sealing plate connection part away from the zipper heat sealing frame, the first heat sealing plate and the second heat sealing plate are arranged at an interval to form a zipper give way groove, the zipper heat sealing frame is provided with a first pulley surrounding the outside of the upper zipper heat sealing component and a second pulley surrounding the outside of the lower zipper heat sealing component, the first pulley includes a first anti-scalding section located above the second heat sealing plate, a feeding gap is formed between the first anti-scalding section and the zipper heat sealing plate, the second pulley includes a second anti-scalding section located below the zipper give way groove, a feeding gap is formed between the second anti-scalding section and the zipper give way groove, the upper sealing knife and the lower sealing knife are respectively arranged on the upper and lower sides of the first heat sealing plate, and are arranged close to the zipper give way groove.

[0006] The utility model with the above characteristics: after the zipper enters the zipper giving way groove through the zipper feeding piece, the bag opening of the packaging bag is located at the first heat sealing plate, and the bag body of the packaging bag is located at the second heat sealing plate. During heat sealing, the first anti-scalding section and the second anti-scalding section are both attached to the bag body. By arranging the first belt and the second belt, the bag body and the upper hot knife, and the bag body and the lower hot knife are separated, thereby protecting the bag body from being damaged by scalding during heat sealing, thereby improving the qualified rate of zipper sealing.

[0007] A further configuration of the utility model is that a material discharge fixing plate is fixedly mounted on the zipper heat sealing frame, the zipper feeding piece and the heat sealing plate connecting portion are fixed side by side on the material discharge fixing plate, the zipper feeding piece is tubular, including a straight section passing through the material discharge fixing plate, and a bent section connected to the straight section at 90 degrees, a zipper guide groove connected to the zipper giving way groove is provided on the heat sealing plate connecting portion, and the bent section, the zipper guide groove and the zipper giving way groove are all located on the same axis.

[0008] The utility model with the above-mentioned characteristics: by arranging a zipper guide groove on the zipper heat sealing plate, the zipper is guided to avoid the zipper from twisting before entering the zipper give way groove; by arranging a straight section and a bent section with an angle of 90 degrees, wherein the straight section is perpendicular to the feeding direction of the packaging bag, and the bent section is parallel to the feeding direction of the packaging bag, the conveying direction of the zipper can be stably changed.

[0009] A further configuration of the utility model is that a plurality of pulleys are provided on the zipper heat-sealing frame, including two first pulleys located above the upper zipper heat-sealing assembly, two second pulleys located above the zipper heat-sealing plate, two third pulleys located below the zipper heat-sealing plate, and two fourth pulleys located below the lower zipper heat-sealing assembly, the two first pulleys and the second pulley are respectively arranged on both sides of the length direction of the upper zipper heat-sealing assembly, the first belt is wound between the first pulley and the second pulley, the two third pulleys and the fourth pulley are respectively arranged on both sides of the length direction of the lower zipper heat-sealing assembly, and the second belt is wound between the third pulley and the fourth pulley.

[0010] The utility model with the above-mentioned characteristics ensures the flatness of the first anti-scalding section and the second anti-scalding section by arranging the first pulley and the second pulley to cooperate to stretch the first belt, and the third pulley and the fourth pulley to cooperate to stretch the second belt, thereby flattening the bag body of the packaging bag and ensuring that the zipper and the bag opening are more closely connected.

[0011] A further configuration of the utility model is that cold pressing assemblies are respectively arranged at the upper and lower ends of the zipper heat sealing frame, and the cold pressing assembly comprises a first cold pressing screw threadedly connected to the zipper heat sealing frame, and a cold pressing fixing plate threadedly connected to the cold pressing screw, second cold pressing screws are passed through both ends of the cold pressing fixing plate, and the end of the second cold pressing screw is fixedly connected to the cold pressing plate, a spring is sleeved on the second cold pressing screw, one end of the spring abuts against the cold pressing fixing plate, and the other end abuts against the cold pressing plate, and a material feeding gap is formed between the cold pressing plates of the two groups of cold pressing assemblies.

[0012] The utility model with the above characteristics can improve the degree of heat-sealing between the zipper and the bag opening by providing a cold pressing plate with a low temperature and pressing the zipper after heat sealing again by the cold pressing plate.

[0013] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the installation of an embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of an embodiment of the utility model.

[0016] Figure 3It is a front view of an embodiment of the utility model.

[0017] Figure 4 It is a schematic structural diagram of a zipper feeder and a zipper heat sealing plate according to an embodiment of the utility model. DETAILED DESCRIPTION

[0018] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0019] like Figure 1-4 The zipper sealing device of the heat preservation bag making machine shown in the figure comprises a zipper heat sealing frame d1, a zipper heat sealing plate d2 arranged in the middle of the zipper heat sealing frame d1, an upper zipper heat sealing assembly d3 and a lower zipper heat sealing assembly d4 arranged at the upper and lower ends of the zipper heat sealing frame d1, the upper zipper heat sealing assembly d3 and the lower zipper heat sealing assembly d4 are arranged at the upper and lower sides of the zipper heat sealing plate d2, and the upper zipper heat sealing assembly d3 comprises an upper sealing knife d31 and a driving mechanism for driving the upper sealing knife d31 to move in a vertical direction. The upper heat-sealing cylinder d32, the lower zipper heat-sealing assembly d4 includes a lower sealing knife d41 and a lower heat-sealing cylinder d42 for driving the lower sealing knife to move in a vertical direction, a zipper feeding piece d5 for conveying the zipper is provided on one side of the zipper heat-sealing plate d2, the zipper heat-sealing plate d2 includes a heat-sealing plate connecting portion d21 connected to the zipper heat-sealing frame d1, and a first heat-sealing plate d22 and a second heat-sealing plate d23 are provided on one side of the heat-sealing plate connecting portion d21, and the first heat-sealing plate d22 and the second heat-sealing plate d23 are parallel to each other. The first heat sealing plate d22 and the second heat sealing plate d23 are arranged at intervals to form a zipper clearance groove d24. The zipper heat sealing frame d1 is provided with a first belt d33 surrounding the outer side of the upper zipper heat sealing component d3 and a second belt d43 surrounding the outer side of the lower zipper heat sealing component d4. The first belt d33 is arranged at the side of the heat sealing plate connecting portion d21 away from the zipper heat sealing frame d1. The second belt d43 comprises a first anti-scalding section d331 located above the second heat-sealing plate d23, a material feeding gap is formed between the first anti-scalding section d331 and the zipper heat-sealing plate d2, the second belt d43 comprises a second anti-scalding section d431 located below the zipper giving way groove d24, a material feeding gap is formed between the second anti-scalding section d431 and the zipper giving way groove d24, the upper sealing knife d31 and the lower sealing knife d41 are respectively arranged at the upper and lower sides of the first heat-sealing plate d22, and are arranged close to the zipper giving way groove d24.

[0020] A feeding plate d6 is fixedly mounted on the zipper heat-sealing frame d1, and a zipper feeding piece d5 and a heat-sealing plate connecting portion d21 are fixed on the feeding plate d6 side by side. The zipper feeding piece d5 is tubular, and comprises a straight section d51 penetrating the feeding plate d6, and a bent section d52 connected to the straight section d51 at 90 degrees. A zipper guide groove d25 connected to the zipper giving way groove d24 is provided on the heat-sealing plate connecting portion d21, and the bent section d52, the zipper guide groove d25 and the zipper giving way groove d24 are all located on the same axis.

[0021] A plurality of pulleys are provided on the zipper heat-sealing frame d1, including two first pulleys d35 located above the upper zipper heat-sealing component d3, two second pulleys d36 located above the zipper heat-sealing plate d2, two third pulleys d45 located below the zipper heat-sealing plate d2, and two fourth pulleys d46 located below the lower zipper heat-sealing component d4. The two first pulleys 35 and the second pulley d36 are respectively arranged on both sides of the length direction of the upper zipper heat-sealing component d3, the first belt d33 is wound between the first pulley 35 and the second pulley d36, the two third pulleys d45 and the fourth pulley d46 are respectively arranged on both sides of the length direction of the lower zipper heat-sealing component d4, and the second belt d43 is wound between the third pulley d45 and the fourth pulley d46.

[0022] A cold press assembly d7 is provided at the upper and lower ends of the zipper heat sealing frame d1. The cold press assembly d7 includes a first cold press screw d71 threadedly connected to the zipper heat sealing frame d1, and a cold press fixing plate d72 threadedly connected to the cold press screw. Second cold press screws d73 are passed through both ends of the cold press fixing plate d72. The end of the second cold press screw d73 is fixedly connected to a cold press plate d74. A spring d75 is sleeved on the second cold press screw d73. One end of the spring d75 abuts against the cold press fixing plate d72, and the other end abuts against the cold press plate d74. A material feeding gap is formed between the cold press plates d74 of the two groups of cold press assemblies d7.

[0023] The zipper feeding piece is penetrated by an assembled zipper strip, and the packaging film passes between the upper sealing knife and the lower sealing knife. The upper heat-sealing cylinder and the lower heat-sealing cylinder respectively drive the upper sealing knife and the lower sealing knife to open or close. When opening, the material is threaded, and when closing, the zipper is sealed and hot. During the zipper sealing and hotting process, the upper sealing knife and the lower sealing knife are always closed. The zipper is fed into the zipper sealing and hotting device through the zipper feeding piece and enters the zipper giving way groove from the zipper guide groove. The bag opening of the packaging bag is located at the first heat-sealing plate, and the bag body of the packaging bag is located at the second heat-sealing plate. During heat sealing, the first anti-scalding section and the second anti-scalding section are both attached to the bag body. The first belt and the second belt separate the bag body from the upper sealing knife and the bag body from the lower sealing knife, thereby protecting the bag body from being damaged by scalding during heat sealing. The zipper after heat sealing is pressed by a cold pressing plate to improve the degree of fit between the zipper and the bag opening.

Claims

1. A zipper sealing and ironing device for a heat-insulating bag making machine, comprising a zipper heat-sealing frame, a zipper heat-sealing plate arranged in the middle of the zipper heat-sealing frame, an upper zipper heat-sealing assembly and a lower zipper heat-sealing assembly arranged at the upper and lower ends of the zipper heat-sealing frame, the upper zipper heat-sealing assembly and the lower zipper heat-sealing assembly are arranged at the upper and lower sides of the zipper heat-sealing plate, the upper zipper heat-sealing assembly comprises an upper sealing knife and an upper heat-sealing cylinder driving the upper sealing knife to move in a vertical direction, the lower zipper heat-sealing assembly comprises a lower sealing knife and a lower heat-sealing cylinder driving the lower sealing knife to move in a vertical direction, a zipper feeding piece for conveying zippers is arranged on one side of the zipper heat-sealing plate, and the characteristics are as follows: The zipper heat sealing plate comprises a heat sealing plate connecting part connected to the zipper heat sealing frame, one side of the heat sealing plate connecting part is provided with a first heat sealing plate and a second heat sealing plate parallel to each other, the second heat sealing plate is located at one end of the heat sealing plate connecting part away from the zipper heat sealing frame, the first heat sealing plate and the second heat sealing plate are spaced apart to form a zipper giving way groove, the zipper heat sealing frame is provided with a first belt surrounding the outside of the upper zipper heat sealing component and a second belt surrounding the outside of the lower zipper heat sealing component, the first belt comprises a first anti-scalding section located above the second heat sealing plate, a feeding gap is formed between the first anti-scalding section and the zipper heat sealing plate, the second belt comprises a second anti-scalding section located below the zipper giving way groove, a feeding gap is formed between the second anti-scalding section and the zipper giving way groove, the upper sealing knife and the lower sealing knife are respectively arranged on the upper and lower sides of the first heat sealing plate, and are arranged close to the zipper giving way groove.

2. The zipper sealing and ironing device of the heat preservation bag making machine according to claim 1, characterized in that: A material discharge fixing plate is fixedly installed on the zipper heat sealing frame, and the zipper feeding piece and the heat sealing plate connecting part are fixed side by side on the material discharge fixing plate. The zipper feeding piece is tubular, including a straight section running through the material discharge fixing plate and a bent section connected to the straight section at 90 degrees. A zipper guide groove connected to the zipper giving way groove is provided on the heat sealing plate connecting part, and the bent section, the zipper guide groove and the zipper giving way groove are all located on the same axis.

3. The zipper sealing and ironing device of the heat preservation bag making machine according to claim 1, characterized in that: The zipper heat-sealing frame is provided with a plurality of pulleys, including two first pulleys located above the upper zipper heat-sealing assembly, two second pulleys located above the zipper heat-sealing plate, two third pulleys located below the zipper heat-sealing plate, and two fourth pulleys located below the lower zipper heat-sealing assembly. The two first pulleys and the second pulley are respectively arranged on both sides of the length direction of the upper zipper heat-sealing assembly, the first belt is wound between the first pulley and the second pulley, the two third pulleys and the fourth pulley are respectively arranged on both sides of the length direction of the lower zipper heat-sealing assembly, and the second belt is wound between the third pulley and the fourth pulley.

4. A zipper sealing and ironing device for a heat preservation bag making machine according to claim 1, 2 or 3, characterized in that: The upper and lower ends of the zipper heat-sealing frame are respectively provided with cold-pressing assemblies, and the cold-pressing assemblies include a first cold-pressing screw threadedly connected to the zipper heat-sealing frame, and a cold-pressing fixing plate threadedly connected to the cold-pressing screw. Second cold-pressing screws are passed through both ends of the cold-pressing fixing plate, and the end of the second cold-pressing screw is fixedly connected to the cold-pressing plate. A spring is sleeved on the second cold-pressing screw, one end of the spring abuts against the cold-pressing fixing plate, and the other end abuts against the cold-pressing plate, and a material feeding gap is formed between the cold-pressing plates of the two groups of cold-pressing assemblies.

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