Paper pretreatment device for printer

By designing a paper pretreatment device for printers, a tray, pressing mechanism, and a paddle are used to separate sheets of paper one by one and dry them with hot air, solving the problem of paper sticking due to moisture or compression and ensuring normal paper feeding of the printer.

CN223466914UActive Publication Date: 2025-10-24WELLSON (WEIHAI) PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202423110648.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-10-24
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing technologies have not effectively solved the problem of paper sticking due to moisture or compression, which affects the normal paper feeding of printers.

Method used

A paper pre-processing device for printers is designed, which includes a dehumidification box, a support plate, a pressing mechanism and a paddle. Papers are separated one by one by pressing and paddle, and a hot air dryer is used for dehumidification and drying.

Benefits of technology

It achieves automated separation and dehumidification of printing paper, improves paper separation efficiency and drying effect, avoids adhesion problems, and ensures normal paper feeding of the printer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing paper pretreatment, in particular to a paper pretreatment device for a printer, which comprises a dehumidification box body, a supporting plate and a pressing mechanism positioned above the supporting plate are fixed in the dehumidification box body, and the pressing mechanism is used for pressing printing paper placed on the supporting plate; meanwhile, a transverse shaft is rotationally installed at the position, located at the end of the supporting plate, in the dehumidifying box body, a shifting plate is fixed to the transverse shaft, the shifting plate is driven along with rotation of the transverse shaft to shift the end of the pressed paper in the supporting plate, and paper is separated one by one; and moreover, the paper can be synchronously dehumidified one by one during shifting, and compared with a drying mode of stacking without moving, the paper can be quickly dehumidified during turning, so that the problem of adhesion of the paper is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing paper pretreatment technical field, and specifically point to a kind of paper pretreatment device for printer. BACKGROUND

[0002] Printing paper is often affected by paper feeding when printing due to printing paper problems, such as paper being damp, or paper being squeezed in the box for too long, forming a whole;

[0003] For damp paper, the usual method is to dry the printing paper to remove moisture; for paper squeezing problems, the solution is to separate the printing paper one by one before loading into the printer.

[0004] Based on this, the present application provides a kind of paper pretreatment device for printer, for processing printing paper before loading into the printer, to avoid sticking problem. INVENTION CONTENTS

[0005] (I) Technical problem

[0006] The utility model aims at at least solving the problem of automatic processing of printing paper sticking problem in the prior art.

[0007] (II) Technical content

[0008] The present application provides a kind of paper pretreatment device for printer, by following specific technical means: including dehumidification box body, the dehumidification box body is fixed with supporting plate and the pressing mechanism located above supporting plate, the pressing mechanism is used for pressing printing paper placed on supporting plate;

[0009] At the same time, the end of the supporting plate in the dehumidification box body is rotatably installed with a horizontal shaft, and a lever is fixed on the horizontal shaft. With the rotation of the horizontal shaft, the lever can move the end of the paper pressed in the supporting plate, realizing the separation of the paper one by one, and also completing the dehumidification of the paper one by one at the same time.

[0010] Preferred technical solution one: the horizontal shaft is symmetrically distributed at the left and right ends of the supporting plate, for turning over the printing paper stacked on the supporting plate at both ends.

[0011] Preferred technical solution two: the pressing mechanism includes a horizontal frame fixed on the rear wall of the dehumidification box body, and a lower pressing piece is arranged at the left and right ends of the horizontal frame. The two groups of lower pressing pieces are staggered downward, and when turning over one end, the lower pressing piece away from the end moves downward to press the printing paper, thereby increasing the opening amplitude of the paper during turning over.

[0012] Preferred technical solution three: the horizontal frame has a staggered driving assembly, which is connected with the two groups of lower pressing pieces for driving the two groups of lower pressing pieces to move downward alternately.

[0013] Preferably, the fourth technical solution is as follows: the two groups of the lower pressing pieces slide through the two ends of the cross frame, the staggered driving assembly comprises a driving piece sliding transversely on the cross frame, the two groups of the lower pressing pieces are provided with insertion holes, the two ends of the driving piece are symmetrically fixed with inclined blocks, and the top inclined surfaces of the inclined blocks extend into the insertion holes; and the bottom end of the lower pressing piece is fixed with a gravity plate.

[0014] Preferably, the fifth technical solution is as follows: the cross frame is further fixed with an extension rod, and the extension end of the extension rod is fixed with the driving piece, so as to drive the driving piece to move back and forth.

[0015] Preferably, the sixth technical solution is as follows: the dehumidification box body is fixed with hot air dryers on the left side and the right side, and the two groups of the hot air dryers respectively face the two ends of the supporting plate, so as to dry the printing paper when the printing paper is turned over.

[0016] (Three) technical effects

[0017] The above structure makes the present solution have the following beneficial effects:

[0018] 1. The adhesion problem of the printing paper caused by moisture or excessive extrusion is automatically processed, and the dehumidification and separation of the printing paper are realized.

[0019] 2. The printing paper can be separated one by one by the structure, and the drying operation is performed in the separated state. Compared with the drying mode of stacking and not moving, the printing paper can be dried faster in the turning state. DETAILED DESCRIPTION

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0021] Figure 1 It is a whole structure schematic view of the present solution;

[0022] Figure 2 It is an internal structure schematic view of the dehumidification box body of the present solution;

[0023] Figure 3 It is a use state view of the present solution;

[0024] Figure 4 It is a structure schematic view of the pressing mechanism and the supporting plate of the present solution;

[0025] Figure 5 It is a cross frame sectional view of the present solution.

[0026] 1, dehumidification box, 11, hot air dryer, 12, door, 2, pressing mechanism, 21, horizontal frame, 22, lower pressing piece, 221, insertion hole, 23, gravity plate, 3, staggered driving assembly, 31, driving piece, 32, inclined block, 33, telescopic rod, 4, supporting plate, 41, turning gap, 42, placing gap, 43, vertical baffle, 44, side baffle, 5, horizontal shaft, 51, push plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-4 The paper preprocessing device for the printer comprises a dehumidification box 1, a door 12 is arranged at the front opening of the dehumidification box 1, a supporting plate 4 and a pressing mechanism 2 arranged above the supporting plate 4 are fixed in the dehumidification box 1, and the pressing mechanism 2 is used for pressing the printing paper placed on the supporting plate 4; the rear side of the supporting plate 4 is fixed with a vertical baffle 43, and the rear ends of the left and right sides are also fixed with side baffles 44, which are used for limiting the stacked printing paper; when the printing paper is placed in place on the supporting plate 4, the rear side is in contact with the rear baffle, and the left and right sides are in contact with the side baffles 44; meanwhile, the front side of the supporting plate 4 is provided with a placing gap 42, and the distance between the inner wall of the placing gap 42 and the vertical baffle 43 is smaller than the width of the printing paper, so as to facilitate pushing the stacked printing paper onto the supporting plate 4 or taking the stacked printing paper off the supporting plate 4.

[0029] Meanwhile, a horizontal shaft 5 is rotatably arranged at the left and right ends of the supporting plate 4 in the dehumidification box 1, two groups of motors (not shown in the figure) connected with the horizontal shaft 5 are fixedly arranged in the dehumidification box 1, and a push plate 51 is fixed on the horizontal shaft 5; the push plate 51 is driven to turn the end of the pressed paper on the supporting plate 4, so as to realize the separation of the papers one by one.

[0030] The left and right sides of the dehumidification box 1 are fixed with hot air dryers 11 (using the prior art), and the two groups of hot air dryers 11 are arranged opposite to the two ends of the supporting plate 4, respectively, and are used for drying the printing paper by hot air when the printing paper is turned, so as to realize the drying of the printing paper one by one, improve the drying effect, and compared with the drying mode of the stacked printing paper, the printing paper can be dried more quickly in the turning process.

[0031] Please refer to Figures 4-5The paper pre-processing device for printer, the pressing mechanism 2 comprises a horizontal frame 21 fixed on the rear wall of the dehumidification box body 1, and the horizontal frame 21 is provided with a lower pressing piece 22 at each of left and right ends, and the two groups of lower pressing pieces 22 press the two ends of the printing paper by being staggered downward, and when one end is turned over, the lower pressing piece 22 far away from the end is lowered to press the printing paper, so that the opening range of the paper during turning over is improved;

[0032] The horizontal frame 21 is provided with a staggered driving assembly 3, the staggered driving assembly 3 is connected with the two groups of lower pressing pieces 22 at the same time, and is used for driving the two groups of lower pressing pieces 22 to be staggered downward; the two groups of lower pressing pieces 22 slide through the two ends of the horizontal frame 21, the staggered driving assembly 3 comprises a driving piece 31 sliding on the horizontal frame 21 in the transverse direction, and the two groups of lower pressing pieces 22 are each provided with an insertion hole 221, the top wall of the insertion hole 221 is a slope, and the high end of the slope is close to the middle part of the horizontal frame 21; the horizontal frame 21 is further fixed with an extension rod 33, and the extension end of the extension rod 33 is fixedly connected with the driving piece 31, and is used for driving the driving piece 31 to move back and forth in the left and right directions;

[0033] Meanwhile, the two ends of the driving piece 31 are symmetrically fixed with inclined blocks 32, the top slope of the inclined block 32 is in sliding contact with the slope of the insertion hole 221, the position change between the two groups of inclined blocks 32 and the two groups of driving pieces 31 is controlled by the left and right sliding of the driving piece 31, and the technical effect that the two groups of lower pressing pieces 22 are driven to be lifted up in a staggered manner is realized; the bottom end of the lower pressing piece 22 is fixed with a gravity plate 23, and the gravity plate 23 is pressed on the printing paper by using the dead weight when the lower pressing piece 22 is lowered.

[0034] Please refer to Figures 2-3 The paper pre-processing device for printer, the pressing mechanism 2 comprises a horizontal frame 21 fixed on the rear wall of the dehumidification box body 1, and the horizontal frame 21 is provided with a lower pressing piece 22 at each of left and right ends, and the two groups of lower pressing pieces 22 press the two ends of the printing paper by being staggered downward, and when one end is turned over, the lower pressing piece 22 far away from the end is lowered to press the printing paper, so that the opening range of the paper during turning over is improved;

[0035] When the right lower pressing piece 22 moves away from the supporting plate 4, the left lower pressing piece 22 moves downward to press the left side of the printing paper placed on the supporting plate 4, at this time, the right proximity sensor detects the approach of the right lower pressing piece 22, so as to feed back a signal to start the right motor to drive the horizontal shaft 5 on the right side of the supporting plate 4 to rotate, and then the dial plate 51 turns over the right end of the printing paper; conversely, when the right lower pressing piece 22 moves downward to press the right end of the printing paper, the left lower pressing piece 22 moves upward to move away from the supporting plate 4, at this time, the left proximity sensor detects the approach of the left lower pressing piece 22, and feeds back a signal to start the left motor to drive the horizontal shaft 5 to rotate to turn over the left end of the printing paper;

[0036] The end of the supporting plate 4 is provided with a turning gap 41, when the horizontal shaft 5 rotates, the push plate 51 rotates from the bottom side of the turning gap 41 to the top side and contacts the bottom side of the printing paper, and with the upward movement of the push plate 51, the ends of the stacked groups of printing paper form an inclined plane, and the printing paper is separated from the push plate 51 from bottom to top, thereby achieving the technical effect of turning and separating the stacked groups of printing paper one by one;

[0037] As a preferred option, the left side proximity sensor can also be connected to a group of hot air dryers 11 on the left side at the same time, and the right side proximity sensor can also be connected to a group of hot air dryers 11 on the right side at the same time, so that when one side is turned over, the hot air dryers 11 on the side are started at the same time, and the dehumidification work is completed synchronously.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A paper pre-treating device for a printer, characterized by: Including dehumidification box (1), the tray (4) and the pressing mechanism (2) above the tray (4) are fixed in the dehumidification box (1), the pressing mechanism (2) is used to press the printing paper placed on the tray (4); Meanwhile, the horizontal shaft (5) is rotatably installed at the end of the tray (4) in the dehumidification box (1), and the horizontal shaft (5) is fixed with the push plate (51), and the push plate (51) is used to push the end of the paper pressed on the tray (4).

2. A print paper pre-treating device as claimed in claim 1, characterized in that: The horizontal shaft (5) is symmetrically distributed at the left and right ends of the tray (4), which is used to flip the printing paper stacked on the tray (4) at both ends.

3. A print paper pre-treating device as claimed in claim 2, characterized in that: The left and right sides of the dehumidification box (1) are fixed with hot air dryer (11), and two groups of hot air dryer (11) respectively face the two ends of the tray (4).

4. A print paper pre-treating device as claimed in claim 3, characterized in that: The pressing mechanism (2) includes a horizontal frame (21) fixed on the back wall of the dehumidification box (1), the left and right ends of the horizontal frame (21) are provided with a lower pressing piece (22), and the two groups of lower pressing pieces (22) are staggered downward and respectively pressed on both ends of the printing paper.

5. A print paper pre-treating device as claimed in claim 4, characterized in that: The horizontal frame (21) has a staggered driving assembly (3), which is connected with the two groups of lower pressing pieces (22) at the same time, for driving the two groups of lower pressing pieces (22) to move downward.

6. A print paper pre-treating device as claimed in claim 5, characterized in that: Two groups of the lower pressing piece (22) slide through the two ends of the horizontal frame (21), the staggered driving assembly (3) includes a driving piece (31) sliding on the horizontal frame (21), two groups of lower pressing pieces (22) are provided with a insertion hole (221), and the both ends of the driving piece (31) are symmetrically fixed with an inclined block (32), the top inclined surface of the inclined block (32) is in sliding contact with the top wall of the insertion hole (221).

7. A print paper pre-treating device as claimed in claim 6, characterized in that: The horizontal frame (21) is also fixed with a telescopic rod (33), and the telescopic end of the telescopic rod (33) is fixed with the driving piece (31).

8. A print paper pre-treating device as claimed in claim 4, characterized in that: The bottom end of the lower pressing piece (22) is fixed with a gravity plate (23).