Novel four-edge-sealed packaging bag preparation equipment and bag making machine

Abstract

The utility model relates to novel four-edge-sealed packaging bag preparation equipment and a bag making machine. The novel four-edge-sealed packaging bag preparation equipment at least comprises a film material conveying mechanism, a packaging bag film material conveying mechanism and a bag making mechanism, the zipper conveying mechanism conveys zippers to the packaging bag film material at intervals; the folding mechanism folds a packaging bag film material provided with a zipper to form a basic structure of a packaging bag with four sealed edges, the cutting mechanism cuts an upper film material along folding marks of the upper film material so that the upper film material can be separated from a lower film material and a side organ film material, and the punching mechanism forms a punching area on the side organ film material separated from the upper film material. The side organ forming mechanism is used for forming the side organ membrane material after the punching area is separated by the punching mechanism; the heat sealing mechanism conducts heat sealing on the upper film material, the formed side organ film materials and the lower film material, and the packaging bag with the four sides sealed is formed. According to the scheme, the zipper conveying device moves forwards, concentration of back-end process equipment is reduced, the installation space of the bag making machine can be effectively utilized, operation is convenient, and bag making is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a novel four-side sealed packaging bag preparation device and a bag making machine. Background Art

[0002] Packaging bags are used to package various items, making them easy to transport and store during production and distribution. They are widely used in daily life and industrial production. Four-side-seal packaging bags primarily consist of two films, top and bottom, with two side accordion films located between them.

[0003] The applicant has been committed to the research and development of the preparation of four-side sealed packaging bags, and on January 27, 2022, submitted to the Patent Office of the State Intellectual Property Office application number 202210102401.2, entitled A Four-Side Sealed Packaging Bag and Preparation Equipment Thereof, patent number 202210120014.1, entitled A Four-Side Sealed Packaging Bag Preparation Method Patent Scheme, and on December 30, 2022, submitted patent number 202211720824.7, entitled A Four-Side Sealed Packaging Bag and Preparation Equipment and Preparation Method Thereof. During the continuous research and development process, the applicant found that in the above-mentioned submitted schemes, since multiple mechanisms such as the punching mechanism and the zipper conveying mechanism are concentrated in the latter part of the packaging bag preparation process, the equipment installation is too concentrated, making operation inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a novel four-side sealed packaging bag preparation device and bag making machine to solve the problems of high equipment concentration and inconvenient operation in the background technology.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] Provided is a novel four-side sealed packaging bag preparation device, comprising at least:

[0007] The film material conveying mechanism continuously and uninterruptedly conveys the packaging bag film material along the length direction of the film material;

[0008] A zipper conveying mechanism, conveying the zippers at intervals onto the packaging bag film material;

[0009] a folding mechanism for folding the packaging bag film material provided with the zipper to form an upper film material, a lower film material, and two side accordion films of the packaging bag, thereby forming the basic structure of a four-side sealed packaging bag, wherein the zipper is located on the upper film material;

[0010] a cutting mechanism for cutting the upper film material formed by the folding mechanism along its fold line, so that the upper film material is separated from the lower film material and the side accordion film material, and the zipper follows the upper film material;

[0011] A punching mechanism, which forms a punching area on the side accordion membrane material after being separated from the upper membrane material, and separates the punching area from the side accordion membrane material;

[0012] A side accordion forming mechanism is used to form the side accordion membrane material after the punching mechanism separates the punching area;

[0013] The hot sealing mechanism hot seals the upper film material, the formed side accordion film material and the lower film material to form a four-side sealed packaging bag.

[0014] Preferably, the zipper conveying mechanism is located on one side of the film material conveying mechanism, and the conveying direction of the zipper conveying mechanism is perpendicular to the direction in which the film material conveying mechanism conveys the packaging bag film material.

[0015] Preferably, the membrane material folded by the folding mechanism is a one-piece structure. The folding mechanism folds upward along the conveying direction of the membrane material at one side edge and the center line of the membrane material and then folds back to form two folding angles, thereby forming the side accordion membrane material part; after the two folding angles at the center line are formed, the folded back membrane material is folded upward again to cover the top of the accordion membrane materials on both sides, becoming the upper membrane material, and the membrane material part that has not been folded at the bottom becomes the lower membrane material.

[0016] Preferably, there are at least two groups of the punching mechanisms, and the two groups of the punching mechanisms are symmetrically arranged on the side accordion membrane materials on both sides of the lower membrane material, and perform the punching process on the side accordion membrane materials on both sides respectively.

[0017] Preferably, each group of the breaking mechanisms has at least a breaking structure and a breaking drive structure. The breaking structure is arranged above the side accordion membrane material and is connected to the breaking drive structure. The breaking structure is controlled by the breaking drive structure to achieve breaking. The direction in which the breaking mechanism breaks the side accordion membrane material is perpendicular to the direction in which the membrane material is conveyed, forming a breaking edge of the breaking area.

[0018] Preferably, each group of the breaking mechanism also has at least a clamping structure and a clamping drive structure. The clamping structure is located downstream of the breaking structure and is connected to the clamping drive structure. The clamping drive structure controls the side accordion membrane material area broken by the breaking structure to be removed from the side accordion membrane material to form the breaking area.

[0019] Preferably, the side accordion forming mechanism includes a folding mechanism, which is arranged on both sides of the membrane material conveying direction, and folds the side accordion membrane material separating the punched area along a straight line at a 45° angle of a punched edge, so that the punched edge coincides with the edge in the length direction of the side accordion after folding, forming a right-angled triangle on the side accordion membrane material.

[0020] Preferably, the new four-side sealed packaging bag preparation equipment also has a guiding mechanism, which is located downstream of the cutting mechanism, guiding the upper film material cut by the cutting mechanism to enter another film material conveying mechanism, and continuously and uninterruptedly conveying it in the same direction as the lower film material; and when the packaging bag is finally formed, guiding the upper film material to merge into the lower film material, covering the lower film material and the side accordion film material that form the fold angle, and the zipper is located on one side of the triangular fold angle.

[0021] Preferably, a handle forming mechanism may be further provided on the side opposite to the zipper conveying mechanism, and the handle forming mechanism forms a handle portion on the packaging bag film material in the opposite direction to the extension direction of the zipper, and each of the handle portions is located between two adjacent zippers.

[0022] The present application provides a bag making machine, which has the above-mentioned novel four-side sealed packaging bag preparation equipment. Beneficial effects

[0023] The novel four-side-sealed packaging bag preparation equipment provided by the utility model moves the zipper conveying device forward, reduces the concentration of back-end process equipment, can effectively utilize the installation space of the bag making machine, is easy to operate, and facilitates bag making. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figures 1-4 1 is a schematic structural diagram of a novel four-side-sealed packaging bag preparation device according to Example 1;

[0025] Figure 5 yes Figures 1-4 Schematic diagram of the prepared packaging bag structure;

[0026] Figures 6-10 2 is a schematic structural diagram of a novel four-side-sealed packaging bag manufacturing apparatus capable of manufacturing handles according to Example 2;

[0027] Figure 11 yes Figures 6-10 Schematic diagram of the prepared packaging bag structure;

[0028] In the picture:

[0029] 1. Film material; 10. Packaging bag; 11. Upper film material; 12. Lower film material; 13. Side accordion film material; 130. Triangle; 131. Side accordion waste; 132. Punch-out area; 1320. Punch-out edge; 14. Zipper; 15. Handle; 150. First patch; 151. Second patch; 152. Punch hole;

[0030] 20. Film material conveying mechanism; 21. Cutting mechanism; 22. Guide mechanism, 220. First guide mechanism; 221. Second guide mechanism. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0032] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0035] The technical solution of the present invention is described in detail below using embodiments. Example

[0036] Combine Figures 1-4 As shown, this embodiment provides a novel four-side sealed packaging bag preparation device, which at least includes:

[0037] The film material conveying mechanism 20 continuously and uninterruptedly conveys the packaging bag film material 1 along the length direction of the film material 1;

[0038] The zipper conveying mechanism conveys the zippers 14 to the packaging bag film 1 at intervals;

[0039] The folding mechanism folds the packaging bag film 1 provided with the zipper 14 to form the upper film 11, the lower film 12, and the two side accordion films 13 of the packaging bag 10, thereby forming the basic structure of the four-side sealed packaging bag, wherein the zipper 14 is located on the upper film 11;

[0040] The cutting mechanism 21 cuts the upper film material 11 formed by the folding mechanism along its fold line, so that the upper film material 11 is separated from the lower film material 12 and the side accordion film material 13, and the zipper 14 follows the upper film material 11;

[0041] A punching mechanism forms a punching area 132 on the side accordion membrane material 13 after being separated from the upper membrane material 11, and separates the punching area 132 from the side accordion membrane material 13;

[0042] The side accordion forming mechanism performs a forming operation on the side accordion membrane material 13 after the punching mechanism separates the punching zone 132;

[0043] The hot sealing mechanism hot seals the upper film material 11, the formed side accordion film material 13 and the lower film material 12 to form a four-side sealed packaging bag.

[0044] More specific instructions:

[0045] The film material conveying mechanism 20 of this solution continuously and uninterruptedly conveys the packaging bag 10 film material 1 along the length direction of the film material 1; the film material conveying mechanism 20 is the same as the film material conveying mechanism used in the existing bag making machine, and at least includes a conveying rubber roller to continuously and uninterruptedly convey the packaging bag film material 1.

[0046] The zipper conveying mechanism is located on one side of the film material conveying mechanism 20. The conveying direction of the zipper 14 by the zipper conveying mechanism is perpendicular to the direction in which the film material conveying mechanism 20 conveys the packaging bag film material 1. The zipper conveying mechanism is the same as the existing zipper conveying mechanism and will not be described in detail.

[0047] The folding mechanism folds the film material 1 conveyed by the film material conveying mechanism 20 to form the upper film material 11, the lower film material 12, and the two side accordion film materials 13 of the packaging bag 10. The film material 1 folded by the folding mechanism is a one-piece structure. The folding mechanism folds upward along the conveying direction of the film material 1 at one side and the center line of the film material 1 and then folds back to form two folding angles, thereby forming the side accordion film material 13 part; after the two folding angles at the center line are formed, the folded film material 1 is folded upward again to make it It covers the accordion membrane materials 13 on both sides to become the upper membrane material 11. At this time, the zipper 14 is formed on the upper membrane material 11, and the part of the membrane material 1 that has not been folded at the bottom becomes the lower membrane material 12; the specific structural form of the folding mechanism can adopt the folding mechanism involved in the technical solution of the applicant's prior application with publication number CN110435218B or other folding mechanisms, the purpose of which is to realize the formation of upper and lower membrane materials and side accordion membrane materials after folding a piece of membrane material.

[0048] The cutting mechanism 21 is located on both sides of the packaging bag film material 1, and cuts the upper film material 11 formed by the folding mechanism along its fold line, so that the upper film material 11 is separated from the lower film material 12 and the side accordion film material 13; the specific structure of the cutting mechanism 21 has at least a cutting head and a head driving mechanism, and the cutting head can be a sheet-shaped head or other head that can realize film cutting; the head driving mechanism can adopt a motor, a robotic arm, a cylinder, etc., so that the cutting head can be placed between the upper film material 11 and the side accordion film material 13 and maintain stability, and the driving mechanism can be removed after the cutting is completed.

[0049] A guide mechanism 22 is provided downstream of the cutting mechanism 21. In this embodiment, the guide mechanism 22 comprises a first guide mechanism 220, which guides the upper film 11, after being cut by the cutting mechanism 21, into another film conveying mechanism, where it is continuously and uninterruptedly conveyed in the same direction as the lower film 12. The first guide mechanism 220 may comprise at least a conveying rubber roller and an inter-roller guide mechanism. The conveying rubber roller may be an existing rubber roller, and the inter-roller guide mechanism may be a guide mechanism used in existing film conveying or material feeding mechanisms.

[0050] There are at least two sets of punching mechanisms, which are symmetrically arranged on the side accordion membrane materials 13 on both sides of the membrane material of the lower sheet 12, and respectively perform the punching process on the side accordion membrane materials 13 on both sides. Each set of punching mechanisms has at least a punching structure and a punching drive structure. The punching structure is arranged above the side accordion membrane material 13 and connected to the punching drive structure. The punching structure is controlled by the punching drive structure to achieve punching. The direction in which the punching mechanism punches the side accordion membrane material 13 is perpendicular to the direction of membrane material conveyance, forming a punching edge 1320 of the punching area 132.

[0051] Each set of cutting mechanisms also has at least a clamping structure and a clamping drive structure. The clamping structure is located downstream of the cutting structure and is connected to the clamping drive structure. The clamping drive structure controls the side accordion membrane material area cut off by the cutting structure to be removed from the side accordion membrane material 13 to form a cutting area. The removed part is the side accordion waste 131.

[0052] The specific structure of the punching mechanism can adopt the technical solution of the punching mechanism in the applicant's previous application with publication number CN116494597A, or other punching mechanisms can be used to form a punching zone on the opposite side of the accordion membrane material 13 and peel off the punching zone.

[0053] The side accordion forming mechanism includes a folding mechanism, which is arranged on both sides of the conveying direction of the membrane material 1, and folds the side accordion membrane material 13 separated by the punched area 132 along a straight line at a 45° angle of the punched edge, so that the punched edge 1320 coincides with the edge in the length direction of the side accordion after folding, forming a right-angled triangle 130 on the side accordion membrane material 13.

[0054] A second guide mechanism 221 is provided in the downstream process of the folding mechanism. When the packaging bag 10 is finally formed, the upper film material 11 is guided to merge into the lower film material 12, covering the lower film material 12 and the side accordion film material 13 forming the folded angle of the triangle 130, and the zipper 14 is located on one side of the folded angle of the triangle 130. The structure of the second guide mechanism 221 is the same as that of the first guide mechanism 220.

[0055] The hot sealing mechanism hot seals the upper film material 11 with the zipper 14, the formed side accordion film material 13 and the lower film material 12 to form a four-side sealed packaging bag 10. The hot sealing mechanism 23 can adopt the existing bag making machine hot sealing mechanism. Since it is an existing technology, it will not be described in detail here.

[0056] In actual operation, due to the complicated process of the bag making machine, other equipment used to prepare four-side sealed packaging bags, such as control equipment, motor drive equipment, etc., are conventional equipment for preparing packaging bags and will not be described in detail here.

[0057] The above-mentioned preparation equipment is used to prepare Figure 5 The packaging bag 10 structure shown includes at least an upper film material 11, a lower film material 12, and two side accordion film materials 13 located between the upper film material 11 and the lower film material 12. A zipper 14 is also provided above the side accordion film material 13 between the upper film material 11 and the lower film material 12; the side accordion film material 13 is located on the side of the opening of the packaging bag 10 and has a triangular 130 structure, and the overlapping part of the triangular 130 structure and the edge of the side accordion film material 13 is ironed by spot ironing, and the zipper 14 is located above the triangular 130 structure of the side sealing accordion film material.

[0058] This embodiment provides a bag making machine having the above-mentioned novel four-side-sealed packaging bag making equipment. Example

[0059] Figure 1 Combine Figures 6-10 As shown, this embodiment differs from the first embodiment in that a handle forming mechanism is provided on the other side of the zipper conveying mechanism in the width direction of the film 1. The handle forming mechanism forms a handle portion 15 on the packaging bag film 1 in the opposite direction of the extension direction of the zipper 14, and each handle portion 15 is located between two adjacent zippers 14. A more detailed description is as follows:

[0060] The operation process of the handle forming mechanism is before the folding mechanism folds the film material 1 conveyed by the film material conveying mechanism 20, and is the same process as the zipper conveying mechanism conveying the zipper 14. The handle forming mechanism mainly includes a patch conveying mechanism, a hot pressing mechanism, and a punching mechanism. Among them, the patch conveying mechanism is used to sequentially convey the first patch 150 and the second patch 151 forming the handle portion 15 onto the film material 1, the hot pressing mechanism hot presses the first patch 150 and the second patch 151 respectively, and the punching mechanism punches the film material 1 with the first patch 150. A more specific implementation method is: after the patch conveying mechanism conveys the first patch 150 to the film material 1, the hot pressing mechanism hot presses the first patch 150 and the second patch 151, and then the punching mechanism punches the film material 1 with the first patch 150. After the punching 152 is completed, the second patch 151 is conveyed by the patch conveying mechanism to the top of the first patch 150 with the punching hole, and the hot pressing mechanism hot presses and seals it. For the description of the patch conveying mechanism and punching mechanism used in this scheme, reference can be made to the scheme description in the applicant's prior application with publication number CN210593197U. Other schemes can also be adopted. For example, the patch conveying mechanism can adopt suction cup adsorption, robot clamping and other structures, which are not described here one by one.

[0061] The packaging bag 10 prepared by the preparation equipment of this embodiment has the following structure: Figure 11 As shown, it at least includes an upper film material 11, a lower film material 12 and two side accordion film materials 13 located between the upper film material 11 and the lower film material 12, and a zipper 14 is provided above the side accordion film material 13 between the upper film material 11 and the lower film material 12; the side accordion film material 13 is located on the side of the opening of the packaging bag 10 and has a triangular 130 structure, and the overlapping part of the triangular 130 structure and the edge of the side accordion film material 13 is ironed by spot ironing, the zipper 14 is located above the triangular 130 structure of the side sealing accordion film material, and a handle portion 15 is formed on the side accordion film material 13.

[0062] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A new type of four-side sealed packaging bag preparation equipment, characterized in that: At least: The film material conveying mechanism continuously and uninterruptedly conveys the packaging bag film material along the length direction of the film material; A zipper conveying mechanism, conveying the zippers at intervals onto the packaging bag film material; a folding mechanism for folding the packaging bag film material provided with the zipper to form an upper film material, a lower film material, and two side accordion films of the packaging bag, thereby forming the basic structure of a four-side sealed packaging bag, wherein the zipper is located on the upper film material; a cutting mechanism for cutting the upper film material formed by the folding mechanism along its fold line, so that the upper film material is separated from the lower film material and the side accordion film material, and the zipper follows the upper film material; A punching mechanism, which forms a punching area on the side accordion membrane material after being separated from the upper membrane material, and separates the punching area from the side accordion membrane material; A side accordion forming mechanism is used to form the side accordion membrane material after the punching mechanism separates the punching area; The hot sealing mechanism hot seals the upper film material, the formed side accordion film material and the lower film material to form a four-side sealed packaging bag.

2. The novel four-side sealed packaging bag making equipment according to claim 1, characterized in that: The zipper conveying mechanism is located on one side of the film material conveying mechanism, and the conveying direction of the zipper conveying mechanism is perpendicular to the direction in which the film material conveying mechanism conveys the packaging bag film material.

3. The novel four-side sealed packaging bag preparation equipment according to claim 1, characterized in that: The membrane material folded by the folding mechanism is a one-piece structure. The folding mechanism folds upward at one side edge and the center line of the membrane material along the conveying direction of the membrane material and then folds back to form two folding angles, thereby forming the side accordion membrane material part; after the two folding angles at the center line are formed, the folded back membrane material is folded upward again to cover the top of the accordion membrane materials on both sides, becoming the upper membrane material, and the membrane material part that has not been folded at the bottom becomes the lower membrane material.

4. The novel four-side sealed packaging bag preparation equipment according to claim 1, characterized in that: There are at least two groups of the punching mechanisms, which are symmetrically arranged on the side accordion membrane materials on both sides of the lower membrane material, and perform the punching process on the side accordion membrane materials on both sides respectively.

5. The novel four-side sealed packaging bag preparation equipment according to claim 4, characterized in that: Each group of the breaking mechanisms has at least a breaking structure and a breaking drive structure. The breaking structure is arranged above the side accordion membrane material and is connected to the breaking drive structure. The breaking structure is controlled by the breaking drive structure to achieve breaking. The direction in which the breaking mechanism breaks the side accordion membrane material is perpendicular to the direction in which the membrane material is conveyed, forming a breaking edge of the breaking area.

6. The novel four-side sealed packaging bag preparation equipment according to claim 5, characterized in that: Each group of the breaking mechanisms also has at least a clamping structure and a clamping drive structure. The clamping structure is located downstream of the breaking structure and is connected to the clamping drive structure. The clamping drive structure controls the side accordion membrane material area broken by the breaking structure to be removed from the side accordion membrane material to form the breaking area.

7. The novel four-side sealed packaging bag making equipment according to claim 1, characterized in that: The side accordion forming mechanism includes a folding mechanism, which is arranged on both sides of the membrane material conveying direction, and folds the side accordion membrane material separating the punched area along a straight line at a 45° angle of a punched edge, so that the punched edge coincides with the edge of the side accordion in the length direction after folding, forming a right-angled triangle on the side accordion membrane material.

8. The novel four-side sealed packaging bag making equipment according to claim 7, characterized in that: The novel four-side-sealed packaging bag preparation equipment also has a guiding mechanism, which is located downstream of the cutting mechanism, guiding the upper film material cut by the cutting mechanism to enter another film material conveying mechanism, and continuously and uninterruptedly conveying it in the same direction as the lower film material; and when the packaging bag is finally formed, the upper film material is guided to merge into the lower film material, covering the lower film material and the side accordion film material that form the fold, and the zipper is located on one side of the triangular fold.

9. The novel four-side sealed packaging bag making equipment according to claim 1, characterized in that: A handle forming mechanism may also be provided on the side opposite to the zipper conveying mechanism, and the handle forming mechanism forms a handle portion on the packaging bag film material in the opposite direction of the extension direction of the zipper, and each of the handle portions is located between two adjacent zippers.

10. A bag making machine, characterized in that: The bag making machine has the novel four-side sealed packaging bag making equipment described in any one of claims 1 to 9.

Images