Two-side lettering device for woven bag production

Automatic double-sided printing of woven bags is achieved by using top and bottom connecting plates driven by hydraulic cylinders, which solves the problem that traditional devices can only print on one side and improves production efficiency.

CN223778062UActive Publication Date: 2026-01-09ANHUI YONGHAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520394141.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-09
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Traditional woven bag printing devices can only print on one side, requiring manual flipping for double-sided printing, resulting in low production efficiency.

Method used

A double-sided printing device for woven bag production was designed. The device uses a hydraulic cylinder to drive the top and bottom connecting plates, which in turn bring the double-sided printing device closer to the woven bag to achieve automatic double-sided printing.

Benefits of technology

It enables automatic double-sided printing of woven bags, improving production efficiency and avoiding the inconvenience of manual flipping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of printing equipment, and provides a two-side lettering device for woven bag production, which comprises a conveying belt, a printing port is arranged in the middle of the conveying belt, a fixing plate is arranged below the conveying belt, a vertical plate is arranged at the top end of the fixing plate, a hydraulic cylinder is arranged on the back of the vertical plate, and a lettering device is arranged on the back of the hydraulic cylinder. The telescopic end of the hydraulic cylinder is fixedly connected with a top connecting plate, the bottom end of the top connecting plate is fixedly connected with an upper rack, the center of the front face of the vertical plate is rotationally connected with a gear, the left side of the gear is meshed with a lower rack, and the bottom end of the lower rack is fixedly connected with a bottom connecting plate. The technical problem that two faces cannot be printed at the same time is solved, the hydraulic cylinder can drive the top connecting plate and the bottom connecting plate to be close to and away from each other at the same time, the two faces of a woven bag can be printed at the same time, manual face turning is not needed any more, use is more convenient, and the printing efficiency is improved. And the production efficiency of woven bags is also greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field more specifically, it relates to a woven bag production is with two -sided printing device. BACKGROUND

[0002] In the woven bag production process, printing is a key link. The traditional woven bag printing device, mostly only can realize single -sided printing. With the market to the appearance and information bearing demand of woven bag increase, the demand of double -sided printing increasingly highlights. However, when the woven bag needs to be printed on both sides, many existing devices have serious deficiencies.

[0003] The utility model discloses a kind of automatic printing device for woven bag, including printer body, the inner wall of the printer body is equipped with conveying device, the outer wall of one side of the conveying device is equipped with positioning slot, the outer wall of one side of the conveying device is movably connected with mounting block, the inner wall of the mounting block is equipped with accommodating groove, the inner wall of the accommodating groove is fixedly connected with return spring.

[0004] The above patent document has the beneficial effect of facilitating the quick installation and disassembly of the storage box, which in turn facilitates the collection of printed woven bags. However, when printing on the other side of the woven bag, it can only be printed by manually turning the woven bag, which is inconvenient to use and greatly reduces the production efficiency of the woven bag. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a device that can print on both sides simultaneously for a two-sided printing device for woven bag production.

[0006] To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0007] The utility model discloses a two -sided printing device for woven bag production, including conveying belt, the middle of conveying belt is equipped with printing mouth, the lower part of conveying belt is provided with fixed plate, the top of fixed plate is provided with vertical board, the back of vertical board is provided with hydraulic cylinder, the telescopic end of hydraulic cylinder is fixedly connected with top connecting plate, the bottom of top connecting plate is fixedly connected with upper rack, the front center of vertical board is rotatably connected with gear, the left side of gear is engaged with lower rack, the bottom of lower rack is fixedly connected with bottom connecting plate, the upper rack is engaged with gear.

[0008] As a preferred technical solution of the utility model, the top connecting plate and the bottom connecting plate are both provided with a printing device, and the two printing devices are oppositely arranged.

[0009] As a preferred technical scheme of the utility model, the inner wall of the printing opening is provided with driving wheels rotating in the same direction on both sides.

[0010] As a preferred technical scheme of the utility model, the outer wall of the vertical plate is provided with a sliding opening in the middle end, the outer wall of the vertical plate is provided with a through opening in an oblique symmetry, and the hydraulic cylinder is provided with a limiting rod on both sides.

[0011] As a preferred technical scheme of the utility model, the top connecting plate is connected with the hydraulic cylinder through the sliding opening, the top connecting plate is slidably connected with the limiting rod through the through opening on the upper left side, and the bottom connecting plate is slidably connected with the limiting rod through the through opening on the lower right side.

[0012] As a preferred technical scheme of the utility model, the upper rack and the lower rack are both provided with a sliding groove, the outer wall of the vertical plate is provided with a middle limiting block and a terminal limiting block, and the middle limiting block and the terminal limiting block are both slidably connected with the sliding groove.

[0013] The utility model has the advantages of:

[0014] The printing opening, the hydraulic cylinder, the top connecting plate, the upper rack, the gear, the lower rack and the bottom connecting plate are arranged, so that the hydraulic cylinder can drive the top connecting plate and the bottom connecting plate to approach or move away from each other, the woven bag located in the printing opening can be printed on both sides at the same time, manual turning is not needed, the woven bag is more convenient to use, and the production efficiency of the woven bag is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the two-side printing device for woven bag production.

[0016] Figure 2 It is a vertical plate back structure schematic view of the two-side printing device for woven bag production.

[0017] Figure 3 It is a vertical plate front structure schematic view of the two-side printing device for woven bag production.

[0018] Figure 4 It is a sectional view of the two-side printing device for woven bag production.

[0019] In the drawings: 1, conveying belt; 2, printing opening; 3, fixed plate; 4, vertical plate; 5, hydraulic cylinder; 6, top connecting plate; 7, upper rack; 8, gear; 9, lower rack; 10, bottom connecting plate; 11, printing device; 12, driving wheel; 13, sliding opening; 14, through opening; 15, limiting rod; 16, sliding groove; 17, middle limiting block; 18, terminal limiting block. DETAILED DESCRIPTION

[0020] The principles and features of the present application are described below in relation to the drawings, which are provided by way of example only and are not intended to limit the scope of the present application. The present application is described in more detail below in relation to the drawings. It should be noted that the drawings are in a very simplified form and use non-precise proportions, only to facilitate, clarify and aid in the explanation of the present application.

[0021] It should be noted that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] Embodiment one:

[0024] Please refer to Figures 1-4 The technical scheme provided by the present application is as follows:

[0025] Specifically, it refers to a two-sided printing device for woven bag production, which comprises a conveyor belt 1, a printing opening 2 is formed in the middle of the conveyor belt 1, a fixed plate 3 is arranged below the conveyor belt 1, a vertical plate 4 is arranged at the top end of the fixed plate 3, a hydraulic cylinder 5 is arranged on the back of the vertical plate 4, a top connecting plate 6 is fixedly connected to the extension end of the hydraulic cylinder 5, an upper rack 7 is fixedly connected to the bottom end of the top connecting plate 6, a gear 8 is rotatably connected to the front center of the vertical plate 4, a lower rack 9 is engaged with the left side of the gear 8, a bottom connecting plate 10 is fixedly connected to the bottom end of the lower rack 9, and the upper rack 7 and the gear 8 are engaged with each other.

[0026] It should be noted that the conveyor belt 1, the hydraulic cylinder 5, the printing device 11, and the drive wheel 12 are prior art, and the specific model and specifications need to be selected and determined according to the actual specifications of the device. The specific selection and calculation method uses existing technology in the art, so it is not described, and all can be powered by external equipment and controlled to open and close.

[0027] The printing device 11 is arranged on the top connecting plate 6 and the bottom connecting plate 10, and the two printing devices 11 are oppositely arranged.

[0028] The inner wall of the printing port 2 is provided with driving wheels 12 rotating in the same direction.

[0029] The driving wheel 12 can rotate by itself and is not synchronous with the conveying belt 1, and the printing device 11 will not collide with the driving wheel 12 when rising to the limit position.

[0030] The outer wall of the vertical plate 4 is provided with a sliding port 13, and the outer wall of the vertical plate 4 is provided with a diagonal symmetric through port 14.

[0031] The top connecting plate 6 is connected with the hydraulic cylinder 5 through the sliding port 13, the top connecting plate 6 is slidably connected with the limiting rod 15 through the upper left through port 14, and the bottom connecting plate 10 is slidably connected with the limiting rod 15 through the lower right through port 14.

[0032] The upper rack 7 and the lower rack 9 are provided with sliding grooves 16, and the outer wall of the vertical plate 4 is provided with an intermediate limiting block 17 and a terminal limiting block 18.

[0033] The working principle of the printing device 11 is as follows:

[0034] Working principle: first, the driving wheel 12 is stationary, and when the woven bag is conveyed to the position of the printing port 2 from the conveying belt 1, the hydraulic cylinder 5 is started, the hydraulic cylinder 5 drives the top connecting plate 6 to slide up and down in the sliding port 13, the top connecting plate 6 drives the upper rack 7 to move up and down, the upper rack 7 drives the gear 8 to rotate, the gear 8 drives the lower rack 9 to move up and down, the lower rack 9 drives the bottom connecting plate 10 to move up and down in the opposite direction of the top connecting plate 6, so that the printing device 11 is close to each other, and the two sides of the woven bag are printed, and then the driving wheel 12 is started, and the driving wheel 12 conveys the woven bag to the conveying belt 1.

[0035] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is covered by the protection scope of the present application.

Claims

1. A two-side printing device for woven bag production, comprising a conveyor belt (1), characterized in that: The middle of the conveying belt (1) is provided with a printing port (2), and the conveying belt (1) is provided below with a fixed plate (3), and the top end of the fixed plate (3) is provided with a vertical plate (4), and the back of the vertical plate (4) is provided with a hydraulic cylinder (5), and the telescopic end of the hydraulic cylinder (5) is fixedly connected with a top connecting plate (6), and the bottom end of the top connecting plate (6) is fixedly connected with an upper rack (7), and the front center of the vertical plate (4) is rotatably connected with a gear (8), and the left side of the gear (8) is engaged with a lower rack (9), and the bottom end of the lower rack (9) is fixedly connected with a bottom connecting plate (10), and the upper rack (7) and the gear (8) are engaged with each other.

2. The double-side printing device for woven bag production according to claim 1, characterized in that, The top connecting plate (6) and the bottom connecting plate (10) are provided with a printing device (11), and the two printing devices (11) are oppositely arranged.

3. The double-side printing device for woven bag production according to claim 1, characterized in that, The inner wall of the printing port (2) is provided with driving wheels (12) rotating in the same direction.

4. The double-side printing device for woven bag production according to claim 1, characterized in that, The outer wall of the vertical plate (4) is provided with a sliding port (13) in the middle, and the outer wall of the vertical plate (4) is provided with a diagonal symmetric through port (14), and the two sides of the hydraulic cylinder (5) are provided with a limiting rod (15).

5. The double-side printing device for woven bag production according to claim 4, characterized in that, The top connecting plate (6) is connected with the hydraulic cylinder (5) through the sliding port (13), the top connecting plate (6) is slidably connected with the limiting rod (15) through the upper left through port (14), and the bottom connecting plate (10) is slidably connected with the limiting rod (15) through the lower right through port (14).

6. The double-side printing device for woven bag production according to claim 1, characterized in that, The upper rack (7) and the lower rack (9) are provided with a sliding groove (16), and the outer wall of the vertical plate (4) is provided with an intermediate limiting block (17) and a terminal limiting block (18), and the intermediate limiting block (17) and the terminal limiting block (18) are slidably connected with the sliding groove (16).

Citation Information

Patent Citations

  • Automatic lettering device for woven bags

    CN217968958U