Paper product packaging box flanging machine

Abstract

The invention provides a paper product packaging box flanging machine which comprises a lower die plate, a driving assembly, flanging blocks, a flanging die and a glue spraying assembly, the driving assembly is arranged on the lower side of the lower die plate, each flanging block is located on the upper side of the lower die plate, a plurality of guide grooves are formed in the lower die plate in a penetrating mode, and the driving assembly penetrates through the guide grooves to be connected with the flanging blocks; the edge folding mold is arranged on the upper side of the lower mold plate, each glue spraying assembly is arranged on the periphery of the edge folding mold and comprises a nozzle fixing plate, a mirror glue spraying long groove and a spray valve, the nozzle fixing plate is arranged on the upper side of the edge folding mold, the mirror glue spraying long groove is formed in the inner side of the nozzle fixing plate, and the spray valve is arranged in the mirror glue spraying long groove. A spray valve is arranged at the upper end of the inner side of the mirror glue spraying long groove. The problems that traditional manual edge folding is low in efficiency and unstable in quality are effectively solved. Through the design of the accurate driving assembly and the optimized edge folding mold, accurate positioning and effective fixing of the edge of the paper are ensured, so that the edge folding effect is remarkably improved, the edge is smooth, and glue is evenly smeared.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging box processing, and particularly relates to a paper product packaging box edge folding machine. Background Art

[0002] In the paper product packaging industry, the edge folding of packaging boxes is a crucial step in the production process. Most traditional edge folding processes rely on manual operations. This method is not only inefficient, but also difficult to guarantee the edge folding quality, and cannot meet the requirements of modern industrial production. With the development of technology, some paper product packaging box edge folding devices with higher automation levels have emerged on the market. However, these devices often have complex structures, cumbersome operations, and poor adaptability to paper, making it difficult to meet the diverse and personalized packaging needs.

[0003] During the edge folding process of existing paper product packaging box edge folding devices, there is often a lack of precise positioning and effective fixation of the paper edges, resulting in unsatisfactory edge folding effects and prone to problems such as uneven edges and uneven glue application. In addition, some devices also have defects in the glue spraying link, such as difficult control of the glue spraying amount and inaccurate glue spraying position, which will affect the firmness and aesthetics of the edge folding. Summary of the Invention

[0004] In view of the above-mentioned disadvantages of the prior art, the present invention provides a paper product packaging box edge folding machine to solve the problems existing in the prior art.

[0005] To achieve the above object and other related objects, the present invention provides a paper product packaging box edge folding machine, including: a lower template, a driving component, edge folding blocks, an edge folding die, and a glue spraying component; The driving component is arranged on the lower side of the lower template; There are multiple edge folding blocks, and each edge folding block is located on the upper side of the lower template. Multiple guiding grooves penetrate through the lower template, and the driving component passes through the guiding grooves and is connected to the edge folding blocks; The edge folding die is arranged on the upper side of the lower template. The edge folding die is of a rectangular frame structure, and multiple slots matching with the edge folding blocks are arranged on the lower side of the edge folding die; There are multiple glue spraying components in total, and each glue spraying component is respectively arranged around the edge folding die; Among them, the glue spraying component includes a nozzle fixing plate, a mirror-image glue spraying long groove, and a spray valve. The nozzle fixing plate is arranged on the upper side of the edge folding die. A mirror-image glue spraying long groove is arranged inside the nozzle fixing plate, and a spray valve is arranged at the upper end inside the mirror-image glue spraying long groove.

[0006] In one embodiment, the driving assembly includes a main shaft, guide rods, swing rods, and a cylinder. Two cross - arranged guide rods are fixed to the lower side of the lower template through fixing blocks. Two bushings are slidably arranged on each guide rod. Each bushing passes through the upper end of the guiding groove and is connected to a hemming block. A swing rod is hinged to the lower end of each bushing. The lower side of the guide rods is fixed to the main shaft through a main - shaft fixing block. A main - shaft slider, a cylinder connecting plate, and a cylinder fixing plate are slidably arranged on the main shaft from top to bottom in sequence. The cylinder connecting plate is fixedly connected to the main - shaft slider. A cylinder is fixed to the lower side of the cylinder fixing plate, and the piston rod of the cylinder is connected to the cylinder connecting plate.

[0007] In one embodiment, paper - blocking rods are arranged at the four corners inside the hemming die, and the paper - blocking rods are connected to the hemming die through fixing pieces.

[0008] In one embodiment, an inclined portion is arranged at the upper end of each paper - blocking rod.

[0009] In one embodiment, the front end of the hemming block is of an inverted - trapezoid structure.

[0010] In one embodiment, the connection between the front end face and the lower end face of the hemming block is of an arc - shaped structure.

[0011] Compared with the prior art, a paper - product packaging - box hemming machine provided by the present invention effectively solves the problems of low efficiency and unstable quality in traditional manual hemming. The precise driving assembly and optimized hemming - die design ensure the accurate positioning and effective fixation of the paper edges, thus significantly improving the hemming effect, with smooth edges and evenly applied glue, meeting the requirements of modern industrial production for high efficiency and high quality.

[0012] By utilizing the synergistic effect of the main shaft, guide rods, swing rods, and cylinder, precise control of the hemming block can be achieved, ensuring a uniform and consistent folding effect on the edges of the paper - product packaging box, and significantly improving production efficiency and product quality.

[0013] The setting of the mirror - image glue - spraying long groove and the spray valve not only achieves precise glue - spraying on the hemming part, but also improves the coverage and uniformity of glue - spraying through the mirror - image design, effectively enhancing the bonding strength of the edges of the packaging box, reducing glue waste, and improving environmental performance.

[0014] The cooperative design of the hemming die and multiple hemming blocks, as well as the guidance of the guiding groove, makes the entire hemming process more stable and reliable, reducing the problem of uneven hemming caused by improper operation or mechanical errors. In addition, the inverted - trapezoid structure and arc - shaped connection design at the front end of the hemming block further improve the smoothness of hemming and the aesthetics of the finished product.

[0015] The setting of the paper stop rod and its inclined part not only effectively prevents the displacement of the paper during the hemming process, ensuring the accuracy of hemming, but also the inclined part plays a role in guiding the paper to smoothly enter the hemming die. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Side view of the present invention; Figure 3 Top view of the present invention.

[0018] Reference numerals: 1, lower template; 2, drive assembly; 210, main shaft; 220, guide rod; 230, swing rod; 240, cylinder; 250, bushing; 260, main shaft fixing block; 270, main shaft slider; 280, cylinder connecting plate; 290, cylinder fixing plate; 3, hemming block; 4, guide groove; 5, hemming die; 6, glue spraying assembly; 610, nozzle fixing plate; 620, mirror glue spraying long groove; 630, spray valve; 7, tank body; 8, paper stop rod; 9, inclined part. Detailed Description of the Invention

[0019] The following specific examples illustrate the embodiments of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. It should also be understood that the terms used in the embodiments of the present invention are for describing specific specific implementation schemes, rather than for limiting the protection scope of the present invention. The test methods without specific conditions noted in the following embodiments are usually carried out under conventional conditions or according to the conditions recommended by each manufacturer.

[0020] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in the present invention, both endpoints of each numerical range and any value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present invention, based on the understanding of those skilled in the art of this technical field of the prior art and the description of the present invention, any methods, devices, and materials of the prior art similar to or equivalent to those described in the embodiments of the present invention can also be used to implement the present invention.

[0021] It should be noted that terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear narration and are not used to limit the scope of implementation of the present invention. The change or adjustment of their relative relationships, without substantial change in technical content, should also be regarded as the scope within which the present invention can be implemented.

[0022] Please refer to Figures 1 - 3 , a paper product packaging box hemming machine, comprising: A lower template 1, a driving assembly 2, hemming blocks 3, a hemming die 5, and a glue spraying assembly 6; the lower template 1 serves as the basic support structure of the entire hemming machine, with a stable design, providing a stable platform for the hemming process and ensuring the accuracy and consistency of the hemming operation.

[0023] The driving assembly 2 is arranged on the lower side of the lower template 1; A plurality of hemming blocks 3 are provided, and each hemming block 3 is located on the upper side of the lower template 1. A plurality of guiding grooves 4 penetrate through the lower template 1, providing an accurate moving path for the driving assembly 2, further enhancing the positioning accuracy of the hemming blocks. The driving assembly 2 passes through the guiding grooves 4 and is connected to the hemming blocks 3, achieving precise control of the hemming blocks 3; The hemming die 5 is arranged on the upper side of the lower template 1. The hemming die 5 has a rectangular frame structure, and a plurality of grooves 7 matching the hemming blocks 3 are provided on the lower side of the hemming die 5. The hemming blocks 3 fold the edges of the paper product packaging box under the drive of the driving assembly 2; A plurality of glue spraying assemblies 6 are provided in total, and each glue spraying assembly 6 is respectively arranged around the hemming die 5; Among them, the glue spraying assembly 6 includes a nozzle fixing plate 610, a mirror-image glue spraying long groove 620, and a spray valve 630. The nozzle fixing plate 610 is arranged on the upper side of the hemming die 5. A mirror-image glue spraying long groove 620 is arranged inside the nozzle fixing plate 610, and a spray valve 630 is arranged at the upper end inside the mirror-image glue spraying long groove 620; the design of the mirror-image glue spraying long groove 620 enables the glue to be evenly and continuously sprayed onto the paper edge, improving the bonding strength and aesthetics. The spray valve 630 is used to precisely control the glue spraying amount, avoiding glue waste and environmental pollution. The introduction of the glue spraying assembly 6 realizes precise glue spraying at the hemming part, further improving the hemming quality and production efficiency.

[0024] The driving assembly 2 includes a main shaft 210, guide rods 220, swing rods 230, and a cylinder 240. Two cross - arranged guide rods 220 are fixed to the lower side of the lower template 1 through fixing blocks. Two bushings 250 are slidably arranged on each guide rod 220. Each bushing 250 passes through the upper end of the guiding groove 4 and is connected to the hemming block 3. A swing rod 230 is hinged to the lower end of each bushing 250. The lower side of the guide rods 220 is fixed with a main shaft 210 through a main - shaft fixing block 260. A main - shaft slider 270, a cylinder connecting plate 280, and a cylinder fixing plate 290 are slidably arranged on the main shaft 210 from top to bottom in sequence. The cylinder connecting plate 280 is fixedly connected to the main - shaft slider 270. A cylinder 240 is fixed to the lower side of the cylinder fixing plate 290. The piston rod of the cylinder 240 is connected to the cylinder connecting plate 280.

[0025] At the four corners inside the hemming die 5, paper - blocking rods 8 are provided. The paper - blocking rods 8 also play a role in supporting the paper, reducing the sagging or deformation of the paper during the hemming process, improving the quality and stability of the hemming, and the paper - blocking rods 8 are connected to the hemming die 5 through fixing pieces.

[0026] At the upper end of each paper - blocking rod 8, an inclined portion 9 is provided. The inclined portion 9 can also guide and limit the paper to a certain extent, further ensuring the stability and accuracy of the paper during the hemming process.

[0027] The front end of the hemming block 3 is of an inverted trapezoidal structure, enabling the hemming block 3 to have a smoother transition when contacting the paper, avoiding the tearing or breakage of the paper caused by sudden pressure changes.

[0028] The connection between the front end face and the lower end face of the hemming block 3 is of an arc - shaped structure, which can also make the hemming block 3 smoother and more fluent when contacting the paper, further improving the quality and aesthetics of the hemming.

[0029] The working process of the present invention is as follows: Initial state: The hemming block 3 is connected to the guiding groove 4 of the lower template 1 through the driving assembly 2 and is in the initial position.

[0030] The hemming die 5 is installed on the upper side of the lower template 1, and its internal space is used to place the paper - product packaging box to be hemmed.

[0031] The nozzle fixing plate 610 of the glue - spraying assembly 6 is arranged on the upper side of the hemming die 5, and the spraying valve 630 is in the closed state.

[0032] The pressing frame 7 is located inside the hemming die 5 and is used to keep the paper - product packaging box stable during the hemming process.

[0033] Start - up and driving: When hemming is required, the cylinder 240 is activated, and its piston rod pushes the cylinder connecting plate 280 and the main shaft slider 270 to slide on the main shaft 210.

[0034] The movement of the main shaft slider 270 is converted into the vertical movement of the hemming block 3 through the swing rod 230 and the bushing 250.

[0035] The paper stop rod 8 plays a role in positioning and preventing the offset of the paper product packaging box during the hemming process.

[0036] Glue spraying process: The spray valve 630 is opened at an appropriate time according to the preset program, and the glue is evenly sprayed on the hemming position through the mirror spray glue long groove 620 to enhance the firmness of the hemming.

[0037] Pressing and completion: When the hemming block 3 reaches the predetermined position and completes the hemming, the piston rod of the cylinder 240 retracts, driving the hemming block 3 to descend back to the initial position.

[0038] Subsequently, the operator can take out the paper product packaging box that has been hemmed and bonded and perform the next round of operations.

[0039] Adjustment and adaptability: The above embodiments merely illustrate the principles and effects of the present invention, rather than limiting the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A folding machine for paper product packaging boxes, characterized in that, Comprising: Lower template; Driving component, which is arranged on the lower side of the lower template; Flanging blocks, multiple flanging blocks are provided, each flanging block is located on the upper side of the lower template, and multiple guiding grooves penetrate through the lower template, and the driving component passes through the guiding grooves and is connected to the flanging blocks; Flanging die, which is arranged on the upper side of the lower template, the flanging die is of a rectangular frame structure, and multiple groove bodies matching with the flanging blocks are arranged on the lower side of the flanging die; Glue spraying components, multiple glue spraying components are provided in total, and each glue spraying component is respectively arranged around the flanging die; Among them, the glue spraying component includes a nozzle fixing plate, a mirror-image glue spraying long groove and a spraying valve. The nozzle fixing plate is arranged on the upper side of the flanging die, a mirror-image glue spraying long groove is arranged inside the nozzle fixing plate, and a spraying valve is arranged at the upper end inside the mirror-image glue spraying long groove.

2. The hemming machine for paper product packaging boxes according to claim 1, wherein: The driving component includes a main shaft, guide rods, swing rods and a cylinder. Two cross-arranged guide rods are fixed on the lower side of the lower template through fixing blocks. Two bushings are slidably arranged on each guide rod. Each bushing passes through the upper end of the guiding groove and is connected to the flanging block. A swing rod is hinged to the lower end of each bushing. The lower side of the guide rod is fixed with a main shaft through a main shaft fixing block. A main shaft slider, a cylinder connecting plate and a cylinder fixing plate are slidably arranged on the main shaft from top to bottom in sequence. The cylinder connecting plate is fixedly connected to the main shaft slider. A cylinder is fixed on the lower side of the cylinder fixing plate, and the piston rod of the cylinder is connected to the cylinder connecting plate.

3. The hemming machine for paper product packaging boxes according to claim 1, wherein: Paper blocking rods are arranged at the four inner corners of the flanging die, and the paper blocking rods are connected to the flanging die through fixing pieces.

4. A paper product packaging box hemming machine according to claim 3, characterized in that: An inclined portion is arranged at the upper end of each paper blocking rod 8.

5. A paper product packaging box hemming machine according to claim 1, characterized in that: The front end of the flanging block is of an inverted trapezoidal structure.

6. The hemming machine for paper product packaging boxes according to claim 1, wherein: The connection part between the front end face and the lower end face of the flanging block is of an arc structure.

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