Single facer for carton production

Abstract

The disclosure relates to the corrugator related technical field, and one embodiment of the disclosure provides a single-sided corrugator for carton production and manufacturing, which comprises an equipment frame and a feeding roller, the feeding roller is inserted and connected in the equipment frame, one end of the feeding roller is fixedly connected through bolts, the feeding roller is driven to rotate through electricity, a forming assembly is arranged in the equipment frame, a platform frame is fixed in the equipment frame, a gluing assembly is arranged in the equipment frame, the gluing assembly comprises a pair of through openings, the through openings are formed in the two side surfaces of the equipment frame, a horizontal pipeline is movably inserted and connected in the through openings in a horizontal manner, the horizontal pipeline is located at the bottom of the platform frame, a plurality of gluing nozzles are arranged on the side surface of the horizontal pipeline, and a conveying glue storage tank is arranged on one side of the equipment frame. Through the above technical scheme, the technical problem that the existing single-sided corrugator in the prior art mostly adopts a traditional gluing mode, the gluing device structure is simple, and the conveying and smearing of glue are difficult to be uniform and accurate is solved.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the technical field of corrugating machines, and more specifically, to a single-face corrugating machine for carton production. Background Technology

[0002] In the corrugated box manufacturing industry, single-face corrugating machines play a crucial role in processing corrugated base paper into single-face corrugated cardboard, and their processing quality directly affects the quality of the finished cardboard boxes. Glue application, as a vital step in the single-face corrugating machine production process, has a decisive impact on the bonding strength, flatness, and durability of the cardboard. However, existing single-face corrugating machines have many shortcomings in glue application technology, with poor glue application being a particularly prominent issue.

[0003] Most existing single-facer corrugating machines use traditional gluing methods with simple gluing devices, making it difficult to achieve uniform and precise glue delivery and application. On one hand, the amount of glue applied is difficult to adjust flexibly according to different corrugated paper materials and production needs, easily leading to over-applying glue, causing overflow and waste, or under-applying glue, resulting in weak bonding of the cardboard. On the other hand, the unreasonable distribution and layout of the gluing device cannot guarantee the formation of a uniform glue layer on the corrugated cardboard surface, making the cardboard prone to localized delamination and warping during the lamination process, seriously affecting the quality and lifespan of the cartons. Furthermore, some single-facer corrugating machines lack effective control over parameters such as glue temperature and viscosity; fluctuations in glue properties during production further worsen the gluing effect. These drawbacks of poor gluing not only increase scrap rates and production costs but also fail to meet market demands for high-quality cartons. Therefore, it is urgent to improve existing single-facer corrugating machines, optimizing the gluing structure and technology to improve gluing performance and ensure the quality and efficiency of carton production. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a single-face corrugating machine for carton production, which solves the technical problem that most existing single-face corrugating machines adopt traditional glue application methods, have simple glue application device structures, and make it difficult to achieve uniform and precise glue delivery and application.

[0005] According to one aspect, at least one embodiment of this disclosure provides a single-face corrugating machine for carton manufacturing, comprising:

[0006] The equipment frame and the feed roller are inserted into the equipment frame. One end of the feed roller is fixedly connected by bolts. The feed roller is driven to rotate by electricity.

[0007] A molding assembly, wherein the molding assembly is disposed inside the equipment frame;

[0008] The platform frame and the glue application assembly are provided, wherein the platform frame is fixed inside the equipment frame and the glue application assembly is disposed inside the equipment frame.

[0009] The adhesive application assembly includes a pair of ports, which are opened on both sides of the equipment frame. A transverse pipe is laterally movably inserted into the port. The transverse pipe is located at the bottom of the platform frame. Several adhesive application nozzles are provided on the side surface of the transverse pipe. A conveying and storage tank for adhesive is provided on one side of the equipment frame.

[0010] As a further technical solution, the output end of the conveying and storage tank is provided with a flexible hose, one end of which is connected to the transverse pipe, and a pair of buffer springs are fitted at the movable connection points at both ends of the transverse pipe.

[0011] As a further technical solution, an eccentric shaft frame that is driven to rotate by electricity is provided on one side of the equipment frame, and a connecting rod is provided at one end of the transverse pipe. The connecting rod and the eccentric shaft frame are rotatably connected by a transmission rod through a pin.

[0012] As a further technical solution, the forming component includes several tension rollers, all of which are rotatably connected inside the equipment frame. Inside the equipment frame, a pair of corrugated forming rollers are rotatably connected. The corrugated forming rollers have a hollow structure, and each of the corrugated forming rollers has a transmission gear at one end.

[0013] As a further technical solution, one of the corrugated forming rollers is driven to rotate by a motor, and a sealing disc is fixedly connected to the inner side of the equipment frame. The sealing disc is rotatably connected to one of the corrugated forming rollers.

[0014] As a further technical solution, the sealing disc is respectively provided with a heating medium connecting pipe and a condensate drain pipe, the corrugated forming roller is provided with several baffles inside, and the surface of each baffle is provided with a water flow hole. The equipment frame is provided with a retaining cover inside, and the retaining cover covers the outside of one of the corrugated forming rollers.

[0015] As a further technical solution, the retaining cover has an overall arc-shaped transition structure, and the arc of the retaining cover matches the arc of the corrugated forming roller surface.

[0016] As a further technical solution, the platform frame is in the shape of an L, and the upper surface of the platform frame and the upper surface of the dispensing nozzle are on the same horizontal plane.

[0017] The beneficial effects of the embodiments disclosed herein are as follows:

[0018] In this disclosure, the glue coating assembly solves the problems of uneven and inaccurate glue coating in traditional methods by coordinating the reciprocating motion of the transverse pipe with the glue nozzle. An eccentric shaft drives the transverse pipe to reciprocate along the opening, ensuring the glue nozzle evenly applies glue along the width of the corrugated paper. The glue storage tank provides stable glue supply through a flexible hose, and a buffer spring reduces the impact of vibration on the glue coating, ensuring a uniform glue layer. This design allows for flexible adjustment of the glue application amount according to the corrugated paper specifications, preventing glue overflow or insufficient application, improving the bonding strength of the cardboard, reducing scrap rates, and meeting the demands of high-quality carton production. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0020] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure;

[0021] Figure 2 This is an isometric drawing of the present disclosure;

[0022] Figure 3 This is an isometric sectional view of the present disclosure;

[0023] Figure 4 This is another isometric sectional view of this disclosure;

[0024] In the diagram: 1. Equipment frame; 2. Feed roller; 3. Platform frame; 4. Glue application assembly; 4-1. Inlet; 4-2. Horizontal pipe; 4-3. Glue application nozzle; 4-4. Glue storage tank; 4-5. Hose; 4-6. Buffer spring; 4-7. Eccentric shaft frame; 4-8. Connecting rod; 4-9. Transmission rod; 5. Forming assembly; 5-1. Tensioning roller; 5-2. Corrugated forming roller; 5-3. Transmission gear; 5-4. Sealing disc; 5-5. Heating medium connecting pipe; 5-6. Condensate drain pipe; 5-7. Baffle plate; 5-8. Drain hole; 5-9. Retaining cover. Detailed Implementation

[0025] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0026] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0027] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0028] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0030] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] like Figures 1-4 As shown, it illustrates a single-face corrugated machine for carton manufacturing according to an embodiment of the present disclosure, comprising:

[0032] The equipment frame 1 and the feed roller 2 are inserted into the equipment frame 1. One end of the feed roller 2 is fixedly connected by bolts. The feed roller 2 is driven to rotate by electricity.

[0033] Molding component 5, wherein the molding component 5 is disposed inside the equipment frame 1;

[0034] Platform frame 3 and glue application assembly 4, wherein platform frame 3 is fixed inside the equipment frame 1 and glue application assembly 4 is disposed inside the equipment frame 1;

[0035] The adhesive application assembly 4 includes a pair of ports 4-1, which are located on both sides of the equipment frame 1. A transverse pipe 4-2 is horizontally inserted into each port 4-1. The transverse pipe 4-2 is located at the bottom of the platform frame 3. Several adhesive application nozzles 4-3 are provided on the side surface of the transverse pipe 4-2. A conveying and storing adhesive tank 4-4 is provided on one side of the equipment frame 1. A flexible hose 4-5 is provided at the output end of the conveying and storing adhesive tank 4-4. One end of the flexible hose 4-5 is connected to the transverse pipe 4-2. A pair of buffer springs 4-6 are fitted at the movable connection points at both ends of the transverse pipe 4-2. An eccentric shaft frame 4-7 driven by electricity is provided on one side of the equipment frame 1. A connecting rod 4-8 is provided at one end of the transverse pipe 4-2. A transmission rod 4-9 is rotatably connected to the eccentric shaft frame 4-7 via a pin.

[0036] In some examples, to achieve uniform adhesive application, an adhesive application component 4 is designed. This component includes openings 4-1 on both sides of the equipment frame 1. The openings 4-1 provide a guide space for the horizontal movement of the transverse pipe 4-2. The transverse pipe 4-2 is connected to the openings 4-1 via a movable insert and can move laterally back and forth within the equipment frame 1. The bottom of the transverse pipe 4-2 faces the platform frame 3, and the adhesive application nozzles 4-3 evenly distributed on its side surface correspond to the bottom positions of the corrugated paper formed on the platform frame 3, ensuring that the adhesive is directly applied to the designated area of ​​the corrugated paper.

[0037] The glue delivery tank 4-4 is fixed to one side of the equipment frame 1 and connected to the input end of the transverse pipe 4-2 via a hose 4-5, forming a closed glue delivery channel. The flexibility of the hose 4-5 allows for a stable glue supply when the transverse pipe 4-2 moves. Buffer springs 4-6 are fitted at both ends of the transverse pipe 4-2, one end abutting against the inner wall of the equipment frame 1 and the other end abutting against the end of the transverse pipe 4-2. These springs buffer the impact force during pipe movement, reducing the impact of vibration on the uniformity of glue application. The eccentric shaft 4-7 is electrically driven to rotate. Its eccentrically positioned rotation center is connected to one end of the transmission rod 4-9 via a pin. The other end of the transmission rod 4-9 is hinged to the connecting rod 4-8 of the transverse pipe 4-2, forming a crank-connecting rod mechanism. When the eccentric shaft 4-7 rotates, it drives the transverse pipe 4-2 to reciprocate linearly within the opening 4-1 via the transmission rod 4-9, causing the glue applicator 4-3 to move back and forth along the width of the corrugated paper, achieving uniform glue coverage.

[0038] This component is driven by the eccentric shaft 4-7, which causes the transverse pipe 4-2 to move the glue applicator 4-3 along a preset trajectory. The spacing and position of the glue applicator 4-3 are designed according to the specifications of the corrugated paper. In conjunction with the reciprocating motion of the transverse pipe 4-2, it ensures that every part of the bottom of the formed corrugated paper can contact the glue applicator 4-3, so as to achieve continuous and uniform glue application.

[0039] like Figures 1-4 As shown in the figure, the forming component 5 in this embodiment includes several tension rollers 5-1, all of which are rotatably connected inside the equipment frame 1. A pair of corrugated forming rollers 5-2 are rotatably connected inside the equipment frame 1. The corrugated forming rollers 5-2 have a hollow structure and a transmission gear 5-3 is provided at one end of each corrugated forming roller 5-2. One of the corrugated forming rollers 5-2 is driven to rotate by a motor. A sealing disc 5-4 is fixedly connected to the inside of the equipment frame 1. The sealing disc 5-4 is rotatably fitted with one of the corrugated forming rollers 5-2. A heating medium connecting pipe 5-5 and a condensate drain pipe 5-6 are respectively provided in the sealing disc 5-4. Several baffles 5-7 are provided inside the corrugated forming roller 5-2. Each baffle 5-7 has a water flow hole 5-8 on its surface. A retaining cover 5-9 is provided inside the equipment frame 1 and covers the outside of one of the corrugated forming rollers 5-2.

[0040] In some examples, to achieve stable cardboard forming, a forming component 5 is designed. This component includes tension rollers 5-1 distributed inside the equipment frame 1, which are rotatably connected to the equipment frame 1 via bearings. The tension rollers 5-1 have a smooth, anti-slip surface and are used to guide and tension the incoming flat cardboard, ensuring that the cardboard maintains constant tension as it enters the corrugated forming rollers 5-2. A pair of corrugated forming rollers 5-2 are positioned at different heights, both being hollow cylindrical structures with corrugated teeth on their outer surfaces that match the shape of the corrugations. The corrugated teeth of the two rollers mesh with each other. One roller is driven to rotate by a motor, while the transmission gear 5-3 at the other end meshes with the transmission gear 5-3 of the driven corrugated forming roller 5-2, achieving synchronous counter-rotation of the two rollers.

[0041] The sealing disc 5-4 is fixed inside the equipment frame 1 and rotatably connected to the shaft end of the active corrugated forming roller 5-2, forming a sealed hollow cavity. The heating medium connecting pipe 5-5 in the sealing disc 5-4 is connected to an external heat source to supply a high-temperature medium (such as steam) to the inside of the corrugated forming roller 5-2. The condensate drain pipe 5-6 drains the cooled condensate, achieving uniform heating of the roller body. The baffles 5-7 inside the corrugated forming roller 5-2 are spirally distributed, and the water flow holes 5-8 on the surface allow turbulence to form when the heating medium flows, enhancing heat exchange efficiency and ensuring uniform surface temperature of the roller body. The retaining cover 5-9 covers the outside of the active corrugated forming roller 5-2, with a gap between its inner side and the roller body surface, forming a locally enclosed space to reduce heat loss and maintain temperature stability in the forming area.

[0042] This component achieves stable corrugated board forming through tension control of the tension roller 5-1 and the meshing rotation of the corrugating forming roller 5-2. The tension roller 5-1 ensures the board enters the forming area flat, preventing wrinkles or looseness; the corrugated teeth of the corrugating forming roller 5-2 apply pressure to the board during rotation, forming a regular corrugated structure. The meshing of the drive gear 5-3 ensures consistent rotation speed between the two rollers, preventing slippage or misalignment. The cooperation between the sealing disc 5-4 and the heating medium pipeline maintains a suitable forming temperature for the rollers. The design of the baffle 5-7 and the drainage holes 5-8 optimizes heat transfer efficiency, ensuring structural stability of the corrugated board due to uniform temperature during forming. The retaining cover 5-9 reduces the impact of environmental factors on the forming temperature, further improving the forming quality of the corrugated board and providing regular and stable corrugated board for subsequent gluing and bonding processes.

[0043] For example, such as Figure 3 As shown, the retaining cover 5-9 has an overall arc-shaped transition structure, and the arc of the retaining cover 5-9 matches the surface arc of the corrugated forming roller 5-2.

[0044] In some examples, the retainer 5-9 has an overall arc-shaped transition structure, the curvature of which matches the surface curvature of the corrugated forming roller 5-2. The retainer 5-9 is fixed inside the equipment frame 1 by a bracket, closely fitting the outer surface of the corrugated forming roller 5-2 with only a small gap. This arc-shaped design effectively reduces heat diffusion to the surroundings, creating a relatively stable high-temperature environment around the roller, ensuring uniform heating of the corrugated cardboard during the forming process, while preventing operators from accidentally coming into contact with the high-temperature roller, thus improving equipment safety.

[0045] For example, such as Figure 3 As shown, the platform frame 3 has an overall L-shaped structure, and the upper surface of the platform frame 3 and the upper end face of the glue applicator 4-3 are located on the same horizontal plane.

[0046] In some examples, the platform frame 3 has an overall L-shaped structure, with the horizontal portion used to support the corrugated cardboard. The upper surface of the platform frame 3 is at the same level as the upper surface of the glue nozzle 4-3, allowing the glue sprayed from the glue nozzle 4-3 to fall vertically and accurately on the bottom of the corrugated cardboard, ensuring accurate glue application and providing a good foundation for subsequent cardboard bonding.

[0047] In actual use: Fix the equipment frame 1, and fix the feed roller 2 inside the equipment frame 1 with bolts. Start the electric drive to make the feed roller 2 rotate, feeding the corrugated base paper from the feed roller 2 into the equipment frame 1. After the base paper is tensioned by several tension rollers 5-1, it enters between a pair of corrugated forming rollers 5-2. The motor drives one of the corrugated forming rollers 5-2 to rotate, and drives the other to rotate synchronously in the opposite direction through the transmission gear 5-3, forming the corrugation of the base paper. At the same time, the heating medium is introduced into the heating medium through the heating medium connection pipe 5-5, and the corrugated forming roller 5-2 is heated evenly through the baffle 5-7 and the water flow hole 5-8. The retaining cover 5-9 maintains the temperature stability of the forming area. The formed corrugated paper is conveyed to the platform frame 3. The glue storage tank 4-4 supplies glue to the transverse pipe 4-2 through the hose 4-5. The electric drive eccentric shaft frame 4-7 rotates, which drives the transverse pipe 4-2 to move back and forth in the opening 4-1 through the transmission rod 4-9 and the connecting rod 4-8. The glue application nozzle 4-3 on the side surface of the transverse pipe 4-2 evenly applies glue to the bottom of the corrugated paper. The buffer spring 4-6 reduces the vibration of the pipe. The glued corrugated paper continues to be conveyed to complete the subsequent processing.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A single-face corrugated machine for manufacturing cardboard boxes, characterized in that, include: The equipment frame (1) and the feed roller (2) are inserted into the equipment frame (1). One end of the feed roller (2) is fixedly connected by bolts. The feed roller (2) is driven to rotate by electricity. A molding component (5) is disposed inside the equipment frame (1); Platform frame (3) and glue application assembly (4), wherein the platform frame (3) is fixed inside the equipment frame (1) and the glue application assembly (4) is disposed inside the equipment frame (1); The adhesive application assembly (4) includes a pair of ports (4-1), which are opened on both sides of the equipment frame (1). A transverse pipe (4-2) is movably inserted into the port (4-1). The transverse pipe (4-2) is located at the bottom of the platform frame (3). Several adhesive application nozzles (4-3) are provided on the side surface of the transverse pipe (4-2). A conveying and storage tank (4-4) is provided on one side of the equipment frame (1).

2. A single-face corrugated machine for carton production according to claim 1, characterized in that, The output end of the conveying and storage tank (4-4) is provided with a flexible hose (4-5). One end of the flexible hose (4-5) is connected to the transverse pipe (4-2). A pair of buffer springs (4-6) are fitted at the movable connection points at both ends of the transverse pipe (4-2).

3. A single-face corrugated machine for carton production according to claim 2, characterized in that, The equipment frame (1) is provided with an eccentric shaft frame (4-7) that is driven to rotate by electricity on one side. A connecting rod (4-8) is provided at one end of the transverse pipe (4-2). A transmission rod (4-9) is rotatably connected between the connecting rod (4-8) and the eccentric shaft frame (4-7) by a pin.

4. A single-face corrugated machine for carton production according to claim 1, characterized in that, The forming component (5) includes several tension rollers (5-1), all of which are rotatably connected inside the equipment frame (1). A pair of corrugated forming rollers (5-2) are rotatably connected inside the equipment frame (1). The corrugated forming rollers (5-2) are hollow structures, and a transmission gear (5-3) is provided at one end of each corrugated forming roller (5-2).

5. A single-face corrugated machine for carton production according to claim 4, characterized in that, One of the corrugated forming rollers (5-2) is driven to rotate by a motor. A sealing disc (5-4) is fixedly connected to the inner side of the equipment frame (1). The sealing disc (5-4) is rotatably connected to one of the corrugated forming rollers (5-2).

6. A single-face corrugated machine for carton production according to claim 5, characterized in that, The sealing disc (5-4) is respectively provided with a heating medium connecting pipe (5-5) and a condensate drain pipe (5-6). The corrugated forming roller (5-2) is provided with several baffles (5-7). The surface of each baffle (5-7) is provided with a water flow hole (5-8). The equipment frame (1) is provided with a retaining cover (5-9). The retaining cover (5-9) covers the outside of one of the corrugated forming rollers (5-2).

7. A single-face corrugated machine for carton production according to claim 6, characterized in that, The retaining cover (5-9) has an overall arc-shaped transition structure, and the curvature of the retaining cover (5-9) matches the surface curvature of the corrugated forming roller (5-2).

8. A single-face corrugating machine for carton production according to claim 1, characterized in that, The platform frame (3) has an overall L-shaped structure, and the upper surface of the platform frame (3) is on the same horizontal plane as the upper surface of the glue applicator (4-3).

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