A corrugated cardboard laminating device

Abstract

The utility model relates to a film coating device for corrugated paperboard, comprising a conveying mechanism, wherein a driving shaft in the conveying mechanism is driven by a motor arranged at a side of the conveying mechanism, and a film supply mechanism, a film clamping mechanism, a film applying mechanism, a first film pressing mechanism and a second film pressing mechanism are arranged in sequence on the upper side of the conveying mechanism; a film coating observation and adjustment area is formed on the conveying mechanism between the first film pressing mechanism and the second film pressing mechanism; during film coating operation, the film applying mechanism covers the film on the corrugated paperboard on the conveying mechanism, the first film pressing mechanism presses the film covered on the corrugated paperboard, and the second film supply mechanism presses the film on the corrugated paperboard for a second time; the film coating device also comprises a bubble piercing element, and during film coating operation, the bubble piercing element is used to pierce bubbles existing after the first film pressing mechanism presses the film, and eliminate bubbles between the film and the corrugated paperboard when the second film pressing mechanism presses the film.

Description

Technical Field

[0001] The utility model relates to the technical field of printing paperboard feeding equipment, in particular to a laminating device for corrugated paperboard. Background Art

[0002] In order to improve the aesthetics and practicality of packaging boxes, existing packaging boxes are generally made of laminated corrugated cardboard. The lamination of corrugated cardboard basically adopts the method of hot rolling to attach the film to the surface of the corrugated cardboard. Before lamination, the surface of the corrugated cardboard needs to be dusted and heated. The existing equipment has two separate operation steps of dust removal and heating. Moreover, the existing laminating equipment can only heat the film during heating. The temperature of the cardboard is relatively low, which affects the laminating effect. Moreover, the existing laminating equipment does not further process the bubbles generated during the laminating process, which affects the laminating yield rate and causes waste. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the existing laminating equipment heats, removes dust and separates, and the existing laminating equipment can only heat the film, and the existing equipment does not process the bubbles generated by the laminating. In view of the above-mentioned defects of the prior art, a laminating device for corrugated cardboard is provided.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A film coating device for corrugated cardboard is constructed, comprising a conveying mechanism, wherein a driving shaft in the conveying mechanism is driven by a motor arranged at a side of the conveying mechanism, and a film supply mechanism, a film clamping mechanism, a film applying mechanism, a first film pressing mechanism, and a second film pressing mechanism are arranged in sequence on the upper side of the conveying mechanism; a film coating observation and adjustment area is formed on the conveying mechanism between the first film pressing mechanism and the second film pressing mechanism; during the film coating operation, the film applying mechanism covers the corrugated cardboard on the conveying mechanism with a film, the first film pressing mechanism presses the film covered on the corrugated cardboard, and the second film supply mechanism presses the film on the corrugated cardboard for a second time.

[0006] Further preferably, the laminating device also includes a bubble piercing element. During the laminating operation, the bubble piercing element is used to pierce the bubbles existing after the first laminating mechanism laminates, and to eliminate the bubbles between the film and the corrugated cardboard during the second laminating mechanism laminates.

[0007] Further preferably, the film supply mechanism, the steamed bun clamping mechanism, the film applying mechanism, the first film pressing mechanism and the second film pressing mechanism all include a gantry, and each of the gantry is fixedly arranged above the conveying mechanism.

[0008] Further preferably, the film supply mechanism further comprises a film roller, the film roller is rotatably arranged on the inner side of the gantry of the film supply mechanism, and the film roller is driven by a motor arranged on the outer side of the gantry.

[0009] Further preferably, the film clamping mechanism also includes a fixed roller and a movable roller which can be raised and lowered relative to the fixed roller, wherein the fixed roller is rotatably arranged on the inner side of the gantry of the film clamping mechanism, and the movable roller is raised and lowered via a U-shaped frame on the inner side of the gantry of the film clamping mechanism, and an electric cylinder A and two guide columns A are fixedly arranged on the outer side of the U-shaped frame, and the end of the electric cylinder A is fixed on the inner side of the top of the gantry of the film clamping mechanism, and the guide column A is movable through the guide hole at the top of the gantry of the film clamping mechanism; during the laminating operation, the electric cylinder A controls the U-shaped frame to move toward the fixed roller, so that the movable roller and the fixed roller clamp the film.

[0010] Further preferably, the film-applying mechanism also includes a film-applying brush, on one side of the bristles of the film-applying brush, an electric cylinder B and two guide columns B are fixedly provided, the end of the electric cylinder B is fixed to the inner side of the top of the gantry of the film-applying mechanism, and the guide column B moves through the guide hole on the top of the gantry of the film-applying mechanism; a film-changing roller is provided in the film-applying mechanism near the lower end of the gantry, and the film-changing roller is close to the film-feeding side; during the laminating operation, the electric cylinder B is extended and retracted so that the bristles of the film-applying brush press the film against the corrugated cardboard.

[0011] Further preferably, the side walls of the gantries in the first film pressing mechanism and the second film pressing mechanism are both provided with vertical strip-shaped through holes; the first film pressing mechanism and the second film pressing mechanism also include an inverted U-shaped frame movably mounted on the outer side of their respective gantries and a pressure roller arranged on the inner side of their respective gantries, the rotating shafts at both ends of the pressure roller pass through the strip-shaped through holes and are rotatably connected to the lower end of the inverted U-shaped frame, a control rod is fixedly provided on the inner side of the inverted U-shaped frame, the control rod passes through the corresponding through hole on the top of the gantry, and a baffle is formed at the end of the control rod, and a spring is mounted on the control rod between the baffle and the inner side of the gantry, the upper end of the spring abuts against the inner side of the top of the gantry, and the lower end abuts against the upper side of the baffle.

[0012] Further preferably, the laminating device also includes a first heating element and a second heating element, wherein the first heating element is arranged on the conveying mechanism between the film clamping mechanism and the film loading mechanism, and the second heating element is arranged on the conveying mechanism on one side of the film feeding direction of the second film pressing mechanism; the first heating element is used to heat and remove dust from the corrugated cardboard and heat the film; the second heating element is used to heat the film attached to the corrugated cardboard.

[0013] Further preferably, the first heating element is a first air pipe spanning the conveying mechanism, and the first air pipe is provided with a first air outlet for blowing air obliquely downward and a second air outlet for blowing air obliquely upward; wherein the first air outlet blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism, thereby heating the corrugated cardboard on the conveying mechanism and removing dust on the surface of the corrugated cardboard; and the second air outlet blows hot air obliquely upward toward the film between the film clamping mechanism and the film supply mechanism, thereby heating the film between the film clamping mechanism and the film supply mechanism.

[0014] Further preferably, the second heating element is a second air pipe across the conveying mechanism, and a third air blowing port for blowing air obliquely downward is provided on the second air pipe, and the third air blowing port blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism to perform secondary heating on the film attached to the corrugated cardboard; the ends of the first air pipe and the second air pipe are both provided with air inlets, which are connected to an external heat source through a pipeline

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a first film pressing mechanism and a second film pressing mechanism, so that the corrugated paperboard and the film are pressed twice, and the obtained film-coated corrugated paperboard has a better film-coating effect;

[0017] 2. The utility model provides a film-applying mechanism, and uses a film-applying brush in the film-applying mechanism to make the film attached to the corrugated paperboard in a flat state as much as possible;

[0018] 3. The utility model heats the film and the corrugated paperboard at the same time by setting the first heating element, and the first heating element can also play a role of dust removal while heating the corrugated paperboard;

[0019] 4. The utility model forms a laminating observation and adjustment area on the conveying mechanism between the first laminating mechanism and the second laminating mechanism, so that the operator can observe whether there are bubbles in the laminated corrugated cardboard processed by the first laminating mechanism. If bubbles are found, the operator can puncture the bubbles by holding a bubble piercing element, thereby ensuring that the laminated corrugated cardboard processed by the second laminating mechanism does not contain bubbles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0021] Figure 1 The three-dimensional Figure 1 .

[0022] Figure 2 The three-dimensional Figure 2 .

[0023] Figure 3 It is a cutaway stereogram of the utility model.

[0024] Figure 4 It is a three-dimensional diagram of the utility model during film pressing operation.

[0025] Figure 5 It is a sectional stereoscopic diagram of the utility model during film pressing operation.

[0026] Figure 6 It is a longitudinal cross-sectional view of the utility model during film pressing operation.

[0027] Figure 7 for Figure 5 A partial enlarged view of part A. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0029] like Figure 1-Figure 7 As shown, a preferred embodiment of the utility model; a corrugated cardboard laminating device comprises a conveying mechanism 100, wherein a driving shaft in the conveying mechanism 100 is driven by a motor arranged at a side of the conveying mechanism 100, and a film supply mechanism 200, a film clamping mechanism 300, a film applying mechanism 400, a first film pressing mechanism 500 and a second film pressing mechanism 600 are arranged in sequence on the upper side of the conveying mechanism 100; a laminating observation and adjustment area 30 is formed on the conveying mechanism between the first film pressing mechanism 500 and the second film pressing mechanism 600; during the laminating operation, the film applying mechanism 400 covers the film 10 on the corrugated cardboard 20 on the conveying mechanism 100, the first film pressing mechanism 500 presses the film 10 covering the corrugated cardboard 20, and the second film supply mechanism 600 presses the film 10 on the corrugated cardboard 20 for a second time.

[0030] Specifically, the conveying mechanism 100 includes a frame, a support leg 102 is provided at the bottom of the frame 101, a driving shaft 103 and a driven shaft 104 are respectively provided at both ends of the frame 101, the driving shaft 103 and the driven shaft 104 are rotatably arranged on the frame 101 through bearings, and a conveying belt 105 is mounted on the driving shaft 103 and the driven shaft 104, wherein the driving shaft 103 is driven by a motor arranged on one side of the frame 101. In order to ensure that the conveying device can maintain a horizontal position during the pressing operation, a supporting plate 106 is fixedly arranged on the inner side of the belt 105 near the top of the belt, and the supporting plate 106 is fixedly connected to the frame 101 to provide support for the upper belt 105.

[0031] In order to facilitate the operator to handle the bubbles on the coated corrugated paperboard after being processed by the first film pressing mechanism 500, the film pressing device further includes a bubble piercing element (not shown in the drawings). Specifically, the bubble piercing element has a hand-held portion and a rod portion, wherein the end of the stem portion is needle-shaped. Of course, other components with thorny ends can also be used instead. During the film pressing operation, if the operator finds that there are still bubbles on the coated corrugated paperboard in the film pressing observation adjustment area 30, the operator can hold the bubble piercing element to pierce the bubbles that still exist after the first film pressing mechanism 500 is pressed, and eliminate the bubbles between the film and the corrugated paperboard during the film pressing mechanism 600.

[0032] It should be noted that the aforementioned film supply mechanism 200, steamed bun clamping mechanism 300, film loading mechanism 400, first film pressing mechanism 500 and second film pressing mechanism 600 all include a gantry, and the specific height of each gantry varies according to the respective components, and the lower end of each gantry is fixedly arranged above the conveying mechanism.

[0033] The film supply mechanism 200 further includes a film roller 201, on which the film 10 is wound, and the film roller 201 is rotatably arranged on the inner side of the gantry of the film supply mechanism 200 through a bearing, and the film roller 201 is driven by a motor arranged on the outer side of the gantry. It should be noted that in order to ensure that the film 10 and the corrugated paperboard 20 can be synchronized, the speed at which the film roller 201 releases the film 10 is the same as the speed at which the conveying mechanism 100 conveys the corrugated paperboard 20, so that the film 10 can be perfectly fitted on the corrugated paperboard 20.

[0034] In some embodiments, the film clamping mechanism 300 also includes a fixed roller 301 and a movable roller 302 that can be raised and lowered relative to the fixed roller 301, wherein the fixed roller 301 is rotatably arranged on the inner side of the gantry of the film clamping mechanism 300, and the movable roller 302 is raised and lowered via a U-shaped frame 303 on the inner side of the gantry of the film clamping mechanism 300, and an electric cylinder A304 and two guide columns A305 are fixedly arranged on the outer side of the U-shaped frame 303, the end of the electric cylinder A304 is fixed on the inner side of the top of the gantry of the film clamping mechanism 300, and the guide column A305 is movable through the guide hole at the top of the gantry of the film clamping mechanism 300; during the laminating operation, the electric cylinder A304 controls the U-shaped frame 303 to move toward the fixed roller 3001, so that the movable roller 302 and the fixed roller 301 clamp the film 10.

[0035] In some embodiments, the film applying mechanism 400 also includes a film applying brush 401, and an electric cylinder B402 and two guide columns B403 are fixedly provided on the side of the film applying brush 401 away from the bristles, the end of the electric cylinder B402 is fixed to the inner side of the top of the gantry of the film applying mechanism 400, and the guide column B403 moves through the guide hole on the top of the gantry of the film applying mechanism 400; a film changing roller 404 is provided near the lower end of the gantry in the film applying mechanism 400, and the film changing roller 404 is arranged near the film feeding side; during the laminating operation, the electric cylinder B402 is extended and retracted so that the bristles of the film applying brush 401 press the film 10 against the corrugated cardboard 20.

[0036] Furthermore, the aforementioned fixed roller 301 and the film direction-changing roller 404 can be driven to rotate by arranging driving motors on the outer sides of the respective gantry frames to assist in conveying the film.

[0037] In some embodiments, the side walls of the gantries in the first laminating mechanism 500 and the second laminating mechanism 600 are both provided with vertical strip-shaped through holes 503, 603; the first laminating mechanism 500 and the second laminating mechanism 600 both further include an inverted U-shaped frame 501, 601 movably mounted on the outside of their respective gantries and a press roller 502, 602 located on the inside of their respective gantries, the rotating shafts at both ends of the press rollers 502, 602 pass through the corresponding strip-shaped through holes 503, 603 on the gantries and are rotatably connected to the lower ends of the corresponding inverted U-shaped frames 501, 601, and the inverted U-shaped frames 501, 60 1 is fixedly provided with a control rod 504, 604, the control rod 504, 604 passes through the through hole on the top of the corresponding gantry, and a baffle 506, 606 is formed at the end of the control rod 504, 604, and another spring 505, 605 is set on the control rod 504, 604 between the baffle 506, 606 and the inner side of the gantry, the upper end of the spring 505, 605 abuts against the inner side of the top of the gantry, and the lower end abuts against the upper side of the baffle 506, 606, so that the inverted U-shaped frame 501, 601 and the pressure roller 502, 602 can be variable in the vertical direction.

[0038] In order to heat or remove dust from the film 10 and the corrugated board 20 before laminating, the laminating device further comprises a first heating element 700 and a second heating element 800, wherein the first heating element 700 is arranged on the conveying mechanism 100 between the film clamping mechanism 300 and the film loading mechanism 400, and the second heating element 800 is arranged on the conveying mechanism 100 on one side of the film feeding direction of the second film pressing mechanism 600; the first heating element 700 is used to heat and remove dust from the corrugated board 20 and to heat the film 10; the second heating element 800 is used to heat the film 10 attached to the corrugated board 20.

[0039] The first heating element 700 is a first air pipe across the conveying mechanism 100, and the first air pipe is provided with a first air outlet 701 for blowing air obliquely downward and a second air outlet 702 for blowing air obliquely upward. The first air outlet 701 and the second air outlet 702 are both in the shape of long strips and are provided along the length direction of the first air pipe, so that the first air outlet 701 and the second air outlet 702 are in the shape of long strips, and a large continuous blowing area is formed when blowing air; the first air outlet 701 blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism 100, and heats the corrugated cardboard 20 on the conveying mechanism 100 while removing dust on the surface of the corrugated cardboard 20; the second air outlet 702 blows hot air obliquely upward toward the film 10 between the film clamping mechanism 300 and the film supply mechanism 400, so as to heat the film between the film clamping mechanism 300 and the film supply mechanism 400.

[0040] Among them, the second heating element 800 is a second air pipe spanning the conveying mechanism 100, and a third air blowing port 801 for blowing air obliquely downward is opened on the second air pipe. The third air blowing port 801 blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism 100 to perform secondary heating on the film 10 attached to the corrugated cardboard 20; the ends of the first air pipe and the second air pipe are both provided with air inlets 703 and 803, and the air inlets 703 and 803 are connected to an external heat source through a pipeline to convey hot air to the first air pipe and the second air pipe.

[0041] It should be understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A corrugated cardboard laminating device, comprising a conveying mechanism, wherein a driving shaft in the conveying mechanism is driven by a motor arranged on the side of the conveying mechanism, characterized in that: A film supply mechanism, a film clamping mechanism, a film applying mechanism, a first film pressing mechanism and a second film pressing mechanism are sequentially arranged on the upper side of the conveying mechanism; a film coating observation and adjustment area is formed on the conveying mechanism between the first film pressing mechanism and the second film pressing mechanism; during the film coating operation, the film applying mechanism covers the corrugated cardboard on the conveying mechanism with the film, the first film pressing mechanism presses the film covered on the corrugated cardboard, and the second film supply mechanism presses the film on the corrugated cardboard for a second time.

2. A corrugated board laminating device according to claim 1, characterized in that: The film laminating device also includes a bubble piercing element. During the film laminating operation, the bubble piercing element is used to pierce the bubbles existing after the first film laminating mechanism is filmed, and to eliminate the bubbles between the film and the corrugated paperboard during the film laminating mechanism.

3. A corrugated board laminating device according to claim 2, characterized in that: The film supply mechanism, the steamed bun clamping mechanism, the film applying mechanism, the first film pressing mechanism and the second film pressing mechanism all include a gantry, and each of the gantry is fixedly arranged above the conveying mechanism.

4. A corrugated board laminating device according to claim 3, characterized in that: The film supply mechanism further comprises a film roller, which is rotatably arranged on the inner side of the gantry of the film supply mechanism and is driven by a motor arranged on the outer side of the gantry.

5. A corrugated board laminating device according to claim 4, characterized in that: The film clamping mechanism also includes a fixed roller and a movable roller which can be raised and lowered relative to the fixed roller, wherein the fixed roller is rotatably arranged on the inner side of the gantry of the film clamping mechanism, and the movable roller is raised and lowered via a U-shaped frame on the inner side of the gantry of the film clamping mechanism, and an electric cylinder A and two guide columns A are fixedly arranged on the outer side of the U-shaped frame, and the end of the electric cylinder A is fixed on the inner side of the top of the gantry of the film clamping mechanism, and the guide column A is movable through the guide hole on the top of the gantry of the film clamping mechanism; during the laminating operation, the electric cylinder A controls the U-shaped frame to move toward the fixed roller so that the movable roller and the fixed roller clamp the film.

6. A corrugated board laminating device according to claim 5, characterized in that: The film-applying mechanism also includes a film-applying brush, on one side of which the bristles of the film-applying brush are fixedly provided with an electric cylinder B and two guide columns B, the end of the electric cylinder B is fixed to the inner side of the top of the gantry of the film-applying mechanism, and the guide column B moves through the guide hole on the top of the gantry of the film-applying mechanism; a film-changing roller is provided in the film-applying mechanism near the lower end of the gantry, and the film-changing roller is close to the film-feeding side; during the laminating operation, the electric cylinder B is extended and retracted so that the bristles of the film-applying brush press the film against the corrugated cardboard.

7. A corrugated board laminating device according to claim 6, characterized in that: The side walls of the gantries in the first film pressing mechanism and the second film pressing mechanism are both provided with vertical strip through holes; the first film pressing mechanism and the second film pressing mechanism also include an inverted U-shaped frame movably mounted on the outer side of their respective gantries and a pressure roller arranged on the inner side of their respective gantries, the rotating shafts at both ends of the pressure roller pass through the strip through holes and are rotatably connected to the lower end of the inverted U-shaped frame, a control rod is fixedly provided on the inner side of the inverted U-shaped frame, the control rod passes through the corresponding through hole on the top of the gantry, and a baffle is formed at the end of the control rod, and a spring is mounted on the control rod between the baffle and the inner side of the gantry, the upper end of the spring abuts against the inner side of the top of the gantry, and the lower end abuts against the upper side of the baffle.

8. A corrugated board laminating device according to any one of claims 1 to 7, characterized in that: The laminating device also includes a first heating element and a second heating element, wherein the first heating element is arranged on the conveying mechanism between the film clamping mechanism and the film loading mechanism, and the second heating element is arranged on the conveying mechanism on one side of the film feeding direction of the second film pressing mechanism; the first heating element is used to heat and remove dust from the corrugated cardboard and heat the film; the second heating element is used to heat the film attached to the corrugated cardboard.

9. A corrugated board laminating device according to claim 8, characterized in that: The first heating element is a first air pipe across the conveying mechanism, and the first air pipe is provided with a first air outlet for blowing air obliquely downward and a second air outlet for blowing air obliquely upward; wherein the first air outlet blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism, so as to heat the corrugated cardboard on the conveying mechanism and remove dust on the surface of the corrugated cardboard; the second air outlet blows hot air obliquely upward toward the film between the film clamping mechanism and the film supply mechanism, so as to heat the film between the film clamping mechanism and the film supply mechanism.

10. A corrugated board laminating device according to claim 9, characterized in that: The second heating element is a second air pipe spanning the conveying mechanism, and a third air outlet for blowing air obliquely downward is provided on the second air pipe. The third air outlet blows hot air obliquely downward in the opposite direction of the conveying of the conveying mechanism to perform secondary heating on the film attached to the corrugated cardboard; air inlets are provided at the ends of the first air pipe and the second air pipe, and the air inlets are connected to an external heat source through a pipeline.

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