Front and rear baffles of paper feeder

By installing protrusions on the front and rear baffles of the paper feeder and cooperating with the rear baffle to form an interval space, the problems of excessive pressure and high friction on the paperboard are solved, thus protecting the surface of the paperboard.

CN224160104UActive Publication Date: 2026-04-24HENGSHUI HANSHI PACKAGING MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENGSHUI HANSHI PACKAGING MASCH CO LTD
Filing Date
2025-06-09
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The existing paper feeder's front and rear baffle design results in excessive pressure and friction on the bottom cardboard, which can easily scratch the surface of the matte film cardboard.

Method used

A protruding block is installed on the front baffle. The protruding block cooperates with the vertical rear baffle to form a gap, reducing the weight of the cardboard from being concentrated on the bottom cardboard. The cardboard is supported by the protruding block and the rear baffle, reducing friction.

Benefits of technology

It effectively prevents cardboard from being scratched during feeding, maintains the integrity of the cardboard surface, reduces friction, and protects the cardboard surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a paper feeder front and rear baffle plate, which comprises a grooving machine paper feeding mechanism, a front baffle plate and a rear baffle plate are arranged on two sides above the grooving machine paper feeding mechanism, a convex block is fixedly arranged on one side of the front baffle plate close to the rear baffle plate, and a support plate is fixedly arranged at the bottom of the rear baffle plate. A side blocking face is arranged on the side, close to the front baffle, of the rear baffle. According to the front baffle and the rear baffle of the paper feeder, the protruding block is installed on the front baffle, the inclined faces are arranged on the upper face and the lower face of the protruding block, the protruding block is matched with the vertical rear baffle, most of a paperboard is supported by the protruding block and the rear baffle, an interval space is formed at the protruding block, the weight of the paperboard cannot be pressed on the bottommost paperboard, and only the height of the paperboard is about centimeter. The pressure on the lowermost paperboard is extremely small, so that the surface of the second paperboard cannot be scratched when the first paperboard is fed, the lowermost paperboard is sequentially fed into the rubber shaft, the paperboards on the protruding points fall successively, and the paperboard height of about centimeter is kept all the time.
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Description

Technical Field

[0001] This utility model relates to the field of water quality monitoring technology, specifically to a front and rear baffle of a paper feeder. Background Technology

[0002] The paper feeding mechanism at the front end of the cardboard slotting machine is the core component that ensures the accurate and efficient entry of cardboard into the processing stage. It typically consists of a paper feeding table, a paper guiding device, a drive system, and a positioning device. It uses a servo motor to drive a synchronous conveyor belt or rollers, and works with adjustable side rails and guide plates to achieve lateral alignment and smooth longitudinal transport of the cardboard. Some high-end models are also equipped with a vacuum adsorption device or pressure roller mechanism, which uses negative pressure or mechanical pressure to fix the cardboard and prevent it from shifting or slipping. The front baffle and rear baffle are key positioning and limiting devices. The core function of the front baffle is to limit the position of the front end of the cardboard and prevent the cardboard from moving too far forward due to inertia or pushing force. The function of the rear baffle is to limit the rear end position of the cardboard stack, and work with the paper separating mechanism (such as a lifting platform or paper separating roller) to separate the cardboard sheets one by one and push them forward.

[0003] The existing front baffle is straight at the top and bottom, with a 5-10 mm inward slope at the bottom. It is supported by the rear baffle, and the cardboard falls almost vertically. The weight of the entire stack of cardboard presses on the feeding surface, resulting in high pressure on the bottom cardboard. When the bottom cardboard is fed into the glue roller, there is a lot of friction between it and the second cardboard. Normally, this has no effect on cardboard without surface scratch requirements, but it will scratch the surface of matte-coated cardboard. Therefore, we propose a front and rear baffle for the paper feeder. Utility Model Content

[0004] The purpose of this utility model is to provide a front and rear baffle for a paper feeder, in order to solve the problem mentioned in the background art where the existing front baffle is straight at the top and bottom, with a 5-10 mm inward slope at the bottom, and is supported by the rear baffle. The cardboard falls almost vertically, and the weight of the entire stack of cardboard presses on the feeding surface, resulting in high pressure on the bottom cardboard. When the bottom cardboard is fed into the glue roller, there is a lot of friction between it and the second cardboard. Normally, this has no effect on cardboard without surface scratch requirements, but it will scratch the surface of matte-coated cardboard.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a front and rear baffle for a paper feeder, comprising:

[0006] The slotting machine paper feeding mechanism has a front baffle and a rear baffle installed on the upper two sides. A protrusion is fixedly installed on the side of the front baffle near the rear baffle, a support plate is fixedly installed on the bottom of the rear baffle, and a side baffle is provided on the side of the rear baffle near the front baffle.

[0007] As a preferred embodiment of the front and rear baffles of the paper feeder of this utility model, the protrusion has a triangular shape and the distance between the protrusion and the bottom of the front baffle is 10 centimeters.

[0008] As a preferred embodiment of the front and rear baffles of the paper feeder of this utility model, the rear baffle has a U-shaped structure.

[0009] As a preferred embodiment of the front and rear baffles of the paper feeder of this utility model, the included angle between the side baffle and the tray is an obtuse angle, the side baffle is perpendicular to the horizontal plane, and the side baffle is parallel to the side baffle.

[0010] Compared with the prior art, this utility model provides a front and rear baffle for a paper feeder, which has the following beneficial effects: The front and rear baffles of the paper feeder, by installing protruding blocks on the front baffle, with inclined surfaces on both the top and bottom of the protruding blocks, cooperate with the vertical rear baffle, so that most of the paperboard is supported by the protruding blocks and the rear baffle, forming a gap space at the protruding blocks. The weight of the paperboard will not be entirely pressed on the bottom paperboard, leaving only about a centimeter of paperboard height, resulting in minimal pressure on the bottom paperboard. In this way, the surface of the second paperboard will not be scratched when the first paperboard is fed in. As the bottom paperboard is fed into the rubber shaft in sequence, the paperboards above the protruding points also fall down one after another, always maintaining a paperboard height of about a centimeter. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a front view structural diagram of the front and rear baffles of this utility model;

[0013] Figure 3 This is a three-dimensional structural diagram of the front baffle of this utility model;

[0014] Figure 4 This is a three-dimensional structural diagram of the rear baffle of this utility model.

[0015] In the diagram: 1. Slotting machine paper feeding mechanism; 2. Front baffle; 21. Protrusion block; 3. Rear baffle; 31. Side baffle; 32. Pallet. Detailed Implementation

[0016] 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.

[0017] Please see Figures 1-4A paper feeder front and rear baffles include a slotting machine paper feeding mechanism 1. A front baffle 2 and a rear baffle 3 are installed on the upper two sides of the slotting machine paper feeding mechanism 1. The rear baffle 3 has a U-shaped structure. A protrusion 21 is fixedly installed on the side of the front baffle 2 near the rear baffle 3. A support plate 32 is fixedly installed on the bottom of the rear baffle 3. A side baffle 31 is provided on the side of the rear baffle 3 near the front baffle 2.

[0018] In this implementation scheme: by installing a protruding block 21 on the front baffle 2, the protruding block 21 has inclined surfaces on both the top and bottom, which cooperate with the vertical rear baffle 3, so that most of the cardboard is supported by the protruding block 21 and the rear baffle 3, forming an interval space at the protruding block 21. The weight of the cardboard will not be entirely pressed on the bottom cardboard, leaving only about 10 cm of cardboard height, which puts very little pressure on the bottom cardboard. In this way, the surface of the second cardboard will not be scratched when the first cardboard is fed in. As the bottom cardboard is fed into the glue shaft in sequence, the cardboard above the protruding point will also fall down one after another, always maintaining a cardboard height of about 10 cm.

[0019] Furthermore:

[0020] In an optional embodiment, the protrusion 21 has a triangular shape and the distance between the protrusion 21 and the bottom of the front baffle 2 is 10 centimeters.

[0021] In this implementation scheme, the distance between the protrusion 21 and the bottom of the front baffle 2 can control the number of cardboard pieces below the protrusion 21, so that there are fewer cardboard pieces below the protrusion 21, so that the pressure on the bottommost cardboard piece is less and it is less likely to be damaged.

[0022] Furthermore:

[0023] In an optional embodiment, the angle between the side baffle 31 and the tray 32 is an obtuse angle, the side baffle 31 is perpendicular to the horizontal plane, and the side baffle 31 is parallel to the side baffle 32.

[0024] In this embodiment: the inclined tray 32 holds the right end of the cardboard and makes it easy for the cardboard to be removed from the tray 32, while the vertical side panel 31 cooperates with the protrusion 21 to facilitate the support of the cardboard above and to facilitate the cardboard above to fall under the protrusion 21.

[0025] Working principle: When using the front and rear baffles of this paper feeder, the cardboard to be fed is first placed between the front baffle 2 and the rear baffle 3. The lower part of the cardboard falls below the protrusion 21, and the right end of the cardboard rests on the support plate 32. When there is a certain amount of cardboard below the protrusion 21, the right end of the upper cardboard is supported by the lower cardboard and cannot fall, thus the left end of the cardboard is supported above the protrusion 21, and the right end of the upper cardboard abuts against the side baffle 31. In this way, a gap is created between the upper cardboard and the lower cardboard. Then the slotting machine paper feeding mechanism 1 works. The slotting machine paper feeding mechanism 1 is existing technology and is a slotting machine. Model: 1225. The front edge paper feeding mechanism of the slotting machine feeds the bottom layer of cardboard through the rubber roller. During this process, as the cardboard moves, the right end of the cardboard moves out of the support plate 32, and the bottom of the cardboard is suspended, greatly reducing the pressure. This greatly reduces the friction between the cardboard and the cardboard above, thus preventing wear and damage. As the bottom cardboard is conveyed away, the right end of the cardboard above falls down, and the left end of the cardboard also falls below the protrusion 21, ensuring that there is always a certain amount of cardboard under the protrusion 21. This is the working principle of the front and rear baffles of the paper feeder.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A front and rear baffle for a paper feeder, characterized in that, include: The slotting machine paper feeding mechanism (1) has a front baffle (2) and a rear baffle (3) installed on both sides above it. A protrusion (21) is fixedly installed on the side of the front baffle (2) near the rear baffle (3). A support plate (32) is fixedly installed at the bottom of the rear baffle (3). A side baffle (31) is provided on the side of the rear baffle (3) near the front baffle (2).

2. A front and rear fender for a paper feeder according to claim 1, wherein The protrusion (21) has a triangular structure, and the distance between the protrusion (21) and the bottom of the front baffle (2) is 10 centimeters.

3. A front and rear fender for a paper feeder according to claim 1, wherein The rear baffle (3) has a U-shaped structure.

4. A front and rear fender for a paper feeder according to claim 1, wherein The angle between the side baffle (31) and the tray (32) is an obtuse angle. The side baffle (31) is perpendicular to the horizontal plane and parallel to the horizontal plane.