High uniformity paper corner protector automatic sizing equipment

Abstract

The utility model provides a kind of high-uniformity paper corner bead automatic sizing equipment, belong to paper corner bead technical field, this high-uniformity paper corner bead automatic sizing equipment includes mounting plate, the upper end of mounting plate is equipped with movable slot, and the both sides inner wall between movable slot is rotatably connected with screw rod;Screw rod nut, screw rod nut is connected on the circumference surface of screw rod with thread;And electric telescopic rod, electric telescopic rod is fixedly connected to the upper end of screw rod nut, by main end face glue roller, vice end face glue roller and side face glue roller synchronous rotation, one-time complete corner bead inside full package sizing, prevent oozing, screw rod drives screw rod nut horizontal movement, in combination with electric telescopic rod vertical lifting, realize glue roller three-dimensional space positioning, adapt to the corner bead of different thickness / height.

Description

Technical Field

[0001] This utility model belongs to the field of paper corner protector technology, specifically relating to an automatic gluing device for highly uniform paper corner protectors. Background Technology

[0002] Paper corner protectors, also known as edge boards, are one of the most popular packaging products internationally. They are used to replace wooden packaging and other bulky packaging methods. They are characterized by low price, light weight, sturdiness, and compliance with environmental protection requirements. They are also known as paper corner wraps, corner protector cardboard, edge boards, corner paper, or paper angle steel. They are made of yarn tube paper and kraft paper through a set of corner protector machines. Both ends are smooth and flat, without obvious burrs, and perpendicular to each other. They can replace wood and are 100% recyclable, making them one of the ideal new green packaging materials.

[0003] In the production of paper corner protectors, the uniformity of glue application directly affects the packaging protection effect. Traditional glue application equipment has the following drawbacks: 1. Manual positioning: Relies on manual adjustment of the corner protector position, which is inefficient and has poor positioning accuracy; 2. Single-sided adhesive application: Adhesive can only be applied to a single surface. The inner corners of L-shaped corner protectors require a second application. Utility Model Content

[0004] The purpose of this invention is to provide an automatic gluing device for paper corner protectors with high uniformity, which aims to solve the problems mentioned in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An automatic glue application device for highly uniform paper corner protectors, comprising: The mounting plate has a movable groove at its upper end, and a lead screw is rotatably connected between the inner walls of the two sides of the movable groove. A lead screw nut, the lead screw nut being threaded onto the circumferential surface of the lead screw; and An electric telescopic rod is fixedly connected to the upper end of a lead screw nut, and an external arm is fixedly connected to the upper end of the electric telescopic rod. One end, the lower end, and the other end of the external arm are respectively rotatably connected to a main end face glue roller, a secondary end face glue roller, and a side glue roller via a rotating shaft.

[0006] As a preferred embodiment of this utility model, it further includes two sets of positioning mechanisms. Each set of positioning mechanisms consists of a connecting arm, a force plate, a spring, a movable rod, and a fastening plate. The connecting arm is fixedly connected to one end of the mounting plate, the movable rod movably passes through the lower end of the connecting arm, the force plate and the fastening plate are respectively fixedly connected to the upper and lower ends of the movable rod, and the spring is sleeved on the circumferential surface of the movable rod.

[0007] In a preferred embodiment of this utility model, a limiting groove is provided at one end of the mounting plate, and a limiting block is fixedly connected to one end of the lead screw nut, with the limiting block slidably connected within the limiting groove.

[0008] In a preferred embodiment of this utility model, the lower end of the mounting plate is fixedly connected to a support cabinet, and the lower end of the support cabinet is fixedly connected to a mounting plate.

[0009] As a preferred embodiment of this utility model, one end of the supporting cabinet is fixedly connected to a plurality of connecting rods, and one end of the plurality of connecting rods is fixedly connected to a paper corner protector placement platform.

[0010] In a preferred embodiment of this utility model, a motor is fixedly connected to one end of the mounting plate, and the output end of the motor is fixedly connected to a lead screw.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. In this solution, the main end face glue roller, the secondary end face glue roller and the side glue roller rotate synchronously to complete the full coating of the inner side of the corner protector in one go, eliminating missed coating. The screw drives the screw nut to move horizontally, and combined with the electric telescopic rod to lift vertically, the glue roller is positioned in three-dimensional space to adapt to corner protectors of different thicknesses / heights.

[0012] 2. In this solution, the spring pushes the fastening plate to press the corner protector, the movable rod retracts adaptively to prevent the corner protector from shifting, the limit block slides along the limit groove to eliminate radial offset of the screw drive and ensure accurate glue application path, and the connecting rod suspends and fixes the paper corner protector on the table, leaving space for the glue application roller to avoid glue contamination of the table surface. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a front perspective view of the present invention; Figure 2 This is a perspective view of the main cross-section of this utility model; Figure 3 This is a bottom-view perspective view of the present invention; Figure 4 In this utility model Figure 3 A magnified view of a portion of point A in the middle.

[0014] In the diagram: 1. Mounting plate; 2. Support cabinet; 3. Placement plate; 4. Connecting arm; 5. Motor; 6. Paper corner protector placement platform; 7. Movable groove; 8. Lead screw; 9. Lead screw nut; 10. External arm; 11. Electric telescopic rod; 12. Limiting groove; 13. Limiting block; 14. Connecting rod; 15. Force plate; 16. Spring; 17. Fastening plate; 18. Movable rod; 19. Side glue roller; 20. Main end face glue roller; 21. Secondary end face glue roller. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example 1:

[0017] Please see Figure 1-4 The present invention provides the following technical solution: An automatic glue application device for highly uniform paper corner protectors, comprising: Mounting plate 1, the upper end of mounting plate 1 is provided with a movable groove 7, and a screw rod 8 is rotatably connected between the inner walls of the two sides of the movable groove 7. Screw nut 9, threadedly connected to the circumferential surface of screw 8; and An electric telescopic rod 11 is fixedly connected to the upper end of a screw nut 9, and an external arm 10 is fixedly connected to the upper end of the electric telescopic rod 11. One end, the lower end, and the other end of the external arm 10 are respectively rotatably connected to a main end face glue roller 20, a secondary end face glue roller 21, and a side glue roller 19 via a rotating shaft. It also includes two sets of positioning mechanisms. Each set of positioning mechanisms consists of a connecting arm 4, a force plate 15, a spring 16, a movable rod 18, and a fastening plate 17. The connecting arm 4 is fixedly connected to one end of the mounting plate 1. The movable rod 18 moves through the lower end of the connecting arm 4. The force plate 15 and the fastening plate 17 are fixedly connected to the upper and lower ends of the movable rod 18, respectively. The spring 16 is sleeved on the circumferential surface of the movable rod 18.

[0018] In a specific embodiment of this utility model, the mounting plate 1 has a movable groove 7 on its upper part. A lead screw 8 and a lead screw nut 9 are rotatably connected to the inner walls of both sides of the movable groove 7. The lead screw nut 9 is threaded onto the surface of the lead screw 8. An electric telescopic rod 11 is vertically fixed to the upper end of the lead screw nut 9, and its upper end is connected to an external arm 10. The external arm 10 of the adhesive application assembly is linked to three rollers via a rotating shaft. The main end-face adhesive roller 20 applies adhesive to the bottom of the corner protector, the secondary end-face adhesive roller 21 applies additional adhesive to the bottom surface of the corner protector, and the side adhesive roller 19 applies adhesive to the outer side of the corner protector. The adhesive is applied by the main end-face adhesive roller 20 and the secondary end-face adhesive roller 21. Roller 21 and side glue-applying roller 19 rotate synchronously to complete the full-coverage glue application on the inner side of the corner protector in one go, preventing missed coating. Screw 8 drives screw nut 9 to move horizontally, and combined with electric telescopic rod 11 to lift vertically, realize the three-dimensional spatial positioning of the glue-applying roller, and adapt to corner protectors of different thicknesses / heights. Connecting arm 4 is fixed to the movable rod 18 on the side end of mounting plate 1, and vertically passes through the lower end of connecting arm 4. Force plate 15 and fastening plate 17 are fixed to the upper and lower ends of movable rod 18, respectively. Spring 16 is sleeved on the surface of movable rod 18, and pushes fastening plate 17 to press the corner protector under normal conditions.

[0019] Please refer to the details. Figure 2 One end of the mounting plate 1 has a limiting groove 12, and one end of the screw nut 9 is fixedly connected to a limiting block 13. The limiting block 13 is slidably connected in the limiting groove 12. The lower end of the mounting plate 1 is fixedly connected to a support cabinet 2, and the lower end of the support cabinet 2 is fixedly connected to a mounting plate 3.

[0020] In this embodiment: one end of the lead screw nut 9 is fixedly connected to the limiting block 13, the limiting block 13 is embedded in the limiting groove 12 and slides to constrain the movement trajectory of the lead screw nut 9, the bottom of the mounting plate 1 is fixedly connected to the support cabinet 2, the mounting plate 3 is installed below the support cabinet 2, and the cabinet has a built-in glue tank and control module.

[0021] Please refer to the details. Figure 2 One end of the supporting cabinet 2 is fixedly connected to multiple connecting rods 14, one end of the multiple connecting rods 14 is fixedly connected to a paper corner protector placement platform 6, one end of the mounting plate 1 is fixedly connected to a motor 5, and the output end of the motor 5 is fixedly connected to a lead screw 8.

[0022] In this embodiment: multiple connecting rods 14 are fixed to the side of the support cabinet 2. The connecting rods 14 extend to the area above the mounting plate 1 and the end is fixed to the paper corner protector placement platform 6. The platform height is lower than the working area of ​​the glue coating roller. The side of the mounting plate 1 is fixed to the motor 5. The output shaft of the motor 5 is coaxially connected to the lead screw 8, driving the lead screw 8 to rotate forward and backward to adjust the horizontal position of the glue coating component.

[0023] The working principle and usage process of this utility model are as follows: Mounting plate 1 has a movable groove 7 on its upper part. Screws 8 and screw nuts 9 are rotatably connected to the inner walls of both sides of the movable groove 7. An electric telescopic rod 11 is vertically fixed to the upper end of the screw nut 9, and its upper end is connected to an external arm 10. The external arm 10 of the glue application assembly is linked to three rollers via a rotating shaft. The main end-face glue application roller 20 applies glue to the bottom of the corner protector, the secondary end-face glue application roller 21 applies glue to the bottom surface of the corner protector, and the side glue application roller 19 applies glue to the outer side of the corner protector. The glue application is achieved through the main end-face glue application roller 20 and the secondary end-face glue application roller 21. The glue roller 21 and the side glue roller 19 rotate synchronously to complete the full coating of the inner side of the corner protector in one go, eliminating missed coating. The screw 8 drives the screw nut 9 to move horizontally, and combined with the electric telescopic rod 11 to lift vertically, realize the three-dimensional spatial positioning of the glue roller, and adapt to corner protectors of different thicknesses / heights. The connecting arm 4 is fixed to the movable rod 18 on the side of the mounting plate 1 and passes vertically through the lower end of the connecting arm 4. The force plate 15 and the fastening plate 17 are fixed to the upper and lower ends of the movable rod 18, respectively. The spring 16 is sleeved on the surface of the movable rod 18 and pushes the fastening plate 17 to press the corner protector in the normal state.

[0024] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A highly uniform automatic gluing device for paper corner protectors, characterized in that, include: Mounting plate (1), the upper end of which is provided with a movable groove (7), and a screw rod (8) is rotatably connected between the inner walls of the two sides of the movable groove (7). A lead screw nut (9), said lead screw nut (9) being threaded onto the circumferential surface of the lead screw (8); and An electric telescopic rod (11) is fixedly connected to the upper end of a screw nut (9), and an external arm (10) is fixedly connected to the upper end of the electric telescopic rod (11). One end, the lower end and the other end of the external arm (10) are respectively rotatably connected to a main end face glue roller (20), a secondary end face glue roller (21) and a side glue roller (19) via a rotating shaft.

2. The automatic gluing equipment for highly uniform paper corner protectors according to claim 1, characterized in that, It also includes two sets of positioning mechanisms. Each set of positioning mechanisms consists of a connecting arm (4), a force plate (15), a spring (16), a movable rod (18), and a fastening plate (17). The connecting arm (4) is fixedly connected to one end of the mounting plate (1). The movable rod (18) moves through the lower end of the connecting arm (4). The force plate (15) and the fastening plate (17) are fixedly connected to the upper and lower ends of the movable rod (18), respectively. The spring (16) is sleeved on the circumferential surface of the movable rod (18).

3. The automatic gluing equipment for highly uniform paper corner protectors according to claim 2, characterized in that, One end of the mounting plate (1) has a limiting groove (12), and one end of the screw nut (9) is fixedly connected to a limiting block (13), which is slidably connected in the limiting groove (12).

4. The high-uniformity paper corner protector automatic gluing equipment according to claim 3, characterized in that, The lower end of the mounting plate (1) is fixedly connected to the support cabinet (2), and the lower end of the support cabinet (2) is fixedly connected to the placement plate (3).

5. The automatic gluing equipment for highly uniform paper corner protectors according to claim 4, characterized in that, One end of the supporting cabinet (2) is fixedly connected to a plurality of connecting rods (14), and one end of the plurality of connecting rods (14) is fixedly connected to a paper corner protector placement platform (6).

6. The automatic gluing equipment for highly uniform paper corner protectors according to claim 5, characterized in that, One end of the mounting plate (1) is fixedly connected to a motor (5), and the output end of the motor (5) is fixedly connected to a lead screw (8).

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