Paper feeding device and printing equipment

Abstract

The utility model belongs to the technical field of printer equipment, and discloses a paper feeding device and printing equipment. The paper supply device comprises a conveying belt assembly, an air blowing assembly and an air suction assembly, the conveying belt assembly is arranged at the top of a paper supply box, the paper supply box is used for containing stacked paper, and the conveying belt assembly is used for conveying the topmost paper in the preset direction; the air blowing assembly is arranged on the outer side wall of the paper supply box and located at the tail end of the paper conveying direction, and the air blowing assembly is used for blowing airflow in the horizontal direction to the stacked paper so that the topmost paper can hunch up towards the conveying belt assembly; the air suction assembly is arranged on the conveying belt assembly and used for providing vertical upward suction force so that paper can be adsorbed to the bottom of the conveying belt assembly. The paper feeding device can quickly separate paper and avoid paper adhesion, so that the paper feeding speed is increased, and the printing speed of the printing equipment is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of printer equipment, in particular to a paper supply device and printing equipment. Background Art

[0002] With the continuous advancement of technology, printers have become an indispensable part of our lives. Whether in the office or at home, printers play an important role. A printer is one of the output devices of a computer, used to print the results of computer processing on relevant media. There are many types of printers. If classified by working principle, they can be divided into three categories, namely dot matrix printers, inkjet printers and laser printers. There are three main indicators to measure the quality of a printer: print resolution, print speed and noise.

[0003] The printing speed of a printer is measured by the number of pages per minute (PPM). The printing speed of a printer is not only related to the printing resolution, the image and content of the print, but also to the speed of paper feeding. The faster the paper feeding speed, the faster the printing speed. The speed at which the brush head prints on the paper of existing printers has reached its limit. If the printing speed needs to be further improved, the only way to further improve the printing speed is to increase the paper feeding speed as much as possible.

[0004] Therefore, there is an urgent need to provide a new paper feeding device and printing equipment to solve the above-mentioned technical problems in the prior art. Utility Model Content

[0005] The utility model aims to provide a paper feeding device, which can quickly separate paper and avoid paper sticking, thereby increasing the paper feeding speed and the printing speed.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The paper feeding device includes a conveyor belt assembly, a blowing assembly and an air suction assembly. The conveyor belt assembly is arranged on the top of a paper feeding box, the paper feeding box is used to accommodate stacked papers, and the conveyor belt assembly is used to convey the topmost paper along a preset direction; the blowing assembly is arranged on the outer side wall of the paper feeding box and is located at the end of the conveying direction of the paper, and the blowing assembly is used to blow a horizontal airflow toward the stacked papers so that the topmost paper is arched toward the conveyor belt assembly; the air suction assembly is arranged on the conveyor belt assembly, and the air suction assembly is used to provide vertical upward suction so that the paper is adsorbed on the bottom of the conveyor belt assembly.

[0008] Optionally, the blowing assembly includes a blowing motor and a blowing base, the blowing base is installed on the paper supply box, the blowing base is provided with a plurality of blowing ports facing the sides of the paper, and the blowing ports are connected to the blowing motor.

[0009] Optionally, a side wall of one end of the blowing base close to the paper is slidably connected with a wind shield, and the wind shield is provided with a plurality of wind shield portions corresponding to the blowing ports one by one, and the wind shield portions can shield at least part of the blowing ports.

[0010] Optionally, a receiving paperboard is also provided on the top of the above-mentioned blowing base, and the above-mentioned receiving paperboard is used to carry the paper transmitted by the above-mentioned conveyor belt assembly; the above-mentioned receiving paperboard is embedded with a carrying roller, and the top of the above-mentioned receiving paperboard is provided with a transmission roller opposite to the above-mentioned carrying roller, and the above-mentioned paper can be clamped between the above-mentioned transmission roller and the above-mentioned carrying roller.

[0011] Optionally, the blowing base is slidably connected to a side wall at one end close to the paper with a plurality of adjustment blocks, the top wall of the adjustment block protrudes from the top wall of the receiving paper board, and the gap thickness between the top wall of the adjustment block and the bottom wall of the conveyor belt assembly is adjustable.

[0012] Optionally, the conveyor belt assembly includes a conveyor belt, a pulley and a conveyor motor, the output end of the conveyor motor is drivingly connected to the pulley, the pulley drives the conveyor belt to rotate together, and the bottom of the conveyor belt is used to drive the paper to move.

[0013] Optionally, the air suction assembly includes an air suction box and an air suction motor, the air suction box is connected to the air suction motor, an air suction hole is provided at the bottom of the air suction box, and the air suction box is passed through the interior of the conveyor belt.

[0014] Optionally, a shielding plate is slidably connected to the inner wall of the air suction box, and the shielding plate can shield at least part of the air suction hole.

[0015] Optionally, a plurality of the conveyor belts are provided, the plurality of conveyor belts are arranged at intervals, and the air suction hole is provided between two adjacent conveyor belts.

[0016] Another object of the present invention is to provide a printing device, which includes a paper supply device as described in any of the above schemes.

[0017] Beneficial effects:

[0018] The paper feeding device in the utility model first uses the blowing component to blow out horizontal airflow to the stacked papers in the paper feeding box, so that the top paper arches upward, and the paper is blown toward the conveyor belt component, and at the same time, the suction component provides suction to the blown paper, so that the paper is close to the bottom wall of the conveyor belt component, and the conveyor belt component provides friction to the paper, so that the paper is driven by the conveyor belt component to be transported along a preset direction, so as to perform subsequent printing operations. The paper feeding device uses the blowing component to provide airflow, and completes the paper separation of the top paper under the action of air pressure, reducing the adhesion of the paper, and the cooperation of the suction component and the conveyor belt component can increase the transportation speed of the paper and prevent the paper from falling off, thereby increasing the paper feeding speed and paper feeding efficiency, and increasing the subsequent printing speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an axonometric diagram of a paper feeding device provided in a specific embodiment of the utility model;

[0020] Figure 2 It is an axonometric view of the blowing assembly provided in a specific embodiment of the utility model;

[0021] Figure 3 It is a side view of the blowing assembly provided by the specific embodiment of the utility model;

[0022] Figure 4 It is an axonometric diagram of a conveyor belt assembly and an air suction assembly provided in a specific embodiment of the utility model;

[0023] Figure 5 It is a bottom view of the conveyor belt assembly and the suction assembly provided by the specific implementation mode of the utility model.

[0024] In the figure:

[0025] 100, conveyor belt assembly; 110, conveyor belt; 120, pulley;

[0026] 200, blowing assembly; 210, blowing base; 211, blowing port; 220, wind shield; 221, wind shield; 222, rack; 230, adjustment block; 231, adjustment rod; 240, receiving paper board; 241, bearing roller; 242, transmission roller;

[0027] 300, suction assembly; 310, suction motor; 320, suction box; 321, suction hole; 330, baffle; 331, adjustment knob. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0032] Please refer to Figure 1In this embodiment, the paper feeding device includes a conveyor belt assembly 100, a blowing assembly 200 and an air suction assembly 300. The conveyor belt assembly 100 is arranged on the top of a paper feeding box (not shown in the figure). The paper feeding box is used to accommodate stacked papers. The conveyor belt assembly 100 is used to convey the topmost paper along a preset direction; the blowing assembly 200 is arranged on the outer side wall of the paper feeding box and is located at the end of the conveying direction of the paper. The blowing assembly 200 is used to blow a horizontal airflow toward the stacked papers so that the topmost paper is arched toward the conveyor belt assembly 100; the air suction assembly 300 is arranged on the conveyor belt assembly 100, and the air suction assembly 300 is used to provide vertical upward suction so that the paper is adsorbed on the bottom of the conveyor belt assembly 100.

[0033] The paper supply device in this embodiment first uses the blowing assembly 200 to blow horizontal airflow to the stacked papers in the paper supply box, so that the top paper arches upward, and the paper is blown toward the conveyor belt assembly 100, and the suction assembly 300 provides suction to the blown paper, so that the paper is close to the bottom wall of the conveyor belt assembly 100, and the conveyor belt assembly 100 provides friction to the paper, so that the paper is driven by the conveyor belt assembly 100 to be transported along a preset direction, so as to perform subsequent printing operations. The paper supply device uses the blowing assembly 200 to provide airflow, and completes the paper separation of the top paper under the action of air pressure, reducing the adhesion of the paper, and the cooperation of the suction assembly 300 and the conveyor belt assembly 100 can increase the transportation speed of the paper and prevent the paper from falling off, thereby increasing the paper supply speed and paper supply efficiency, and increasing the subsequent printing speed.

[0034] Please refer to Figure 2 and Figure 3 The blowing assembly 200 includes a blowing motor (not shown) and a blowing base 210. The blowing base 210 is installed on the paper supply box. The blowing base 210 is provided with a plurality of blowing ports 211 facing the side of the paper. The blowing ports 211 are connected to the blowing motor. The plurality of blowing ports 211 are arranged at intervals to provide a more uniform airflow, ensure that the top paper is easily blown up, and increase the separation speed of the paper.

[0035] Optionally, a windshield 220 is slidably connected to the side wall of one end of the blowing base 210 close to the paper, and the windshield 220 is provided with a plurality of windshields 221 corresponding to the blowing ports 211, and the windshields 221 can block at least part of the blowing ports 211. The windshield 220 is specifically pulled and moved by a rack portion 222, and the rack portion 222 is connected to an external driving member such as a motor, and the windshield 220 drives the windshield 221 to block the blowing ports 211, thereby changing the opening of the blowing ports 211, so as to be suitable for papers of different sizes, thicknesses and qualities, thereby improving the application range of the paper feeding device and the paper separation efficiency.

[0036] Furthermore, a receiving paperboard 240 is also provided on the top of the blowing base 210, and the receiving paperboard 240 is used to carry the paper transmitted by the conveyor belt assembly 100; the receiving paperboard 240 is embedded with a bearing roller 241, and a transmission roller 242 opposite to the bearing roller 241 is provided on the top of the receiving paperboard 240, and the paper can be sandwiched between the transmission roller 242 and the bearing roller 241. The receiving paperboard 240 is used to receive the paper transmitted by the conveyor belt assembly 100, and after being transmitted to the receiving paperboard 240, the paper contacts the bearing roller 241, and then the transmission roller 242 starts to rotate, and the paper is driven to continue to move forward under the action of friction, so as to realize the paper output.

[0037] It can be imagined that one of the bearing roller 241 and the transmission roller 242 is a driving wheel, and the other can be a driven wheel or a driving wheel. The bearing roller 241 and the transmission roller 242 rotate in opposite directions and can drive the paper to move.

[0038] In this embodiment, the side wall of the blowing base 210 near one end of the paper is slidably connected with a plurality of adjustment blocks 230, the top wall of the adjustment block 230 protrudes from the top wall of the receiving paper board 240, and the gap thickness between the top wall of the adjustment block 230 and the bottom wall of the conveyor belt assembly 100 is adjustable. The adjustment block 230 is specifically driven by the adjustment rod 231 to move up and down, so that the adjustment block 230 can block excess paper, so that only the topmost paper is transported to the printing station to avoid paper jam; at the same time, the adjustment block 230 can move up and down, which is suitable for papers of different thicknesses and different printing requirements, which will not be described in detail here.

[0039] like Figure 4 and Figure 5As shown, optionally, the conveyor belt assembly 100 includes a conveyor belt 110, a pulley 120 and a conveyor motor (not shown in the figure), the output end of the conveyor motor is drivingly connected to the pulley 120, the pulley 120 drives the conveyor belt 110 to rotate together, and the bottom of the conveyor belt 110 is used to drive the paper to move. The conveyor belt 110 is efficient in transporting paper, and the surface friction coefficient of the conveyor belt 110 is large enough to prevent paper from slipping, and the paper is transported at low cost and efficiently.

[0040] Furthermore, the suction assembly 300 includes a suction box 320 and a suction motor 310. The suction box 320 is connected to the suction motor 310. The bottom of the suction box 320 is provided with a suction hole 321. The suction box 320 is penetrated inside the conveyor belt 110. The suction box 320 is penetrated inside the conveyor belt 110, and the suction hole 321 is provided at the bottom of the suction box 320, which can prevent the suction assembly 300 from directly contacting the paper in the process of providing suction to the paper, thereby ensuring that the paper can be closely attached to the bottom of the conveyor belt 110, and preventing the paper from falling off, while the running speed of the conveyor belt 110 can be increased as much as possible, thereby improving the paper supply efficiency and paper supply speed.

[0041] Specifically, the inner wall of the suction box 320 is slidably connected with a baffle plate 330, and the baffle plate 330 can block at least part of the suction hole 321. It should be noted that a connecting rod mechanism (not shown in the figure) is provided inside the suction box 320, one end of the connecting rod mechanism is connected to the baffle plate 330, and the other end is connected to the adjustment knob 331. By turning the adjustment knob 331, the connecting rod mechanism can drive the baffle plate 330 to slide, so that the baffle plate 330 can adjust the opening of the suction hole 321, so that the suction component 300 can provide different suction forces, which is suitable for papers of different weights and specifications, has a wider range of applications and ensures that the paper can be close to the bottom of the conveyor belt 110.

[0042] In this embodiment, the conveyor belts 110 are provided in plurality, and the plurality of conveyor belts 110 are arranged at intervals, and the air suction holes 321 are arranged between two adjacent conveyor belts 110. Specifically, the conveyor belts 110 are provided in two groups, each group of conveyor belts 110 has a plurality of conveyor belts 110, and there is a preset distance between the two groups of conveyor belts 110, so that the air suction holes 321 are located between the two groups of conveyor belts 110, so that in the process of blowing the paper by the blowing assembly 200, the arched middle part of the paper can be sucked by the suction assembly 300, so that the paper can be quickly and firmly adsorbed on the bottom of the conveyor belt 110.

[0043] The utility model also provides a printing device, which includes a paper supply device as described in any of the above schemes. The paper supply device is used to supply paper to the printing device, and the air blowing component 200 provides airflow, and the top paper is separated under the action of air pressure, which reduces the adhesion of paper, and the cooperation of the suction component 300 and the conveyor belt component 100 can increase the transportation speed of paper and prevent paper from falling off, thereby increasing the paper supply speed and paper supply efficiency, and increasing the subsequent printing speed.

[0044] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A paper feeding device, characterized in that: include: A conveyor belt assembly (100), the conveyor belt assembly (100) being arranged on the top of a paper supply box, the paper supply box being used to accommodate stacked paper sheets, the conveyor belt assembly (100) being used to convey the topmost paper sheets along a preset direction; an air blowing assembly (200), the air blowing assembly (200) being arranged on an outer side wall of the paper supply box and located at the end of the conveying direction of the paper, the air blowing assembly (200) being used to blow a horizontal airflow toward the stacked paper so that the topmost paper is arched toward the conveyor belt assembly (100); An air suction component (300) is arranged on the conveyor belt component (100), and the air suction component (300) is used to provide vertical upward suction so that the paper is adsorbed on the bottom of the conveyor belt component (100).

2. The paper feeding device according to claim 1, characterized in that: The blowing assembly (200) comprises a blowing motor and a blowing base (210), wherein the blowing base (210) is installed on the paper supply box, and the blowing base (210) is provided with a plurality of blowing ports (211) facing the side edges of the paper, and the blowing ports (211) are connected to the blowing motor.

3. The paper feeding device according to claim 2, characterized in that: A windshield (220) is slidably connected to a side wall of one end of the blowing base (210) close to the paper, and the windshield (220) is provided with a plurality of windshield portions (221) corresponding one-to-one to the blowing outlets (211), and the windshield portions (221) are capable of shielding at least a portion of the blowing outlets (211).

4. The paper feeding device according to claim 2, characterized in that: A receiving paperboard (240) is also provided on the top of the blowing base (210), and the receiving paperboard (240) is used to carry the paper transmitted by the conveyor belt assembly (100); a carrying roller (241) is embedded in the receiving paperboard (240), and a transmission roller (242) opposite to the carrying roller (241) is provided on the top of the receiving paperboard (240), and the paper can be sandwiched between the transmission roller (242) and the carrying roller (241).

5. The paper feeding device according to claim 4, characterized in that: The blowing base (210) is slidably connected to a side wall at one end of the paper, and the top wall of the adjusting block (230) protrudes from the top wall of the receiving paper board (240). The gap thickness between the top wall of the adjusting block (230) and the bottom wall of the conveyor belt assembly (100) is adjustable.

6. The paper feeding device according to claim 1, characterized in that: The conveyor belt assembly (100) comprises a conveyor belt (110), a pulley (120) and a conveyor motor; the output end of the conveyor motor is drivingly connected to the pulley (120); the pulley (120) drives the conveyor belt (110) to rotate together; and the bottom of the conveyor belt (110) is used to drive the paper to move.

7. The paper feeding device according to claim 6, characterized in that: The suction assembly (300) comprises a suction box (320) and a suction motor (310); the suction box (320) is connected to the suction motor (310); a suction hole (321) is provided at the bottom of the suction box (320); and the suction box (320) is inserted into the interior of the conveyor belt (110).

8. The paper feeding device according to claim 7, characterized in that: A shielding plate (330) is slidably connected to the inner wall of the air suction box (320), and the shielding plate (330) is capable of shielding at least part of the air suction hole (321).

9. The paper feeding device according to claim 7, characterized in that: A plurality of the conveying belts (110) are provided, and the plurality of the conveying belts (110) are arranged at intervals, and the air suction hole (321) is arranged between two adjacent conveying belts (110).

10. A printing device, characterized in that It comprises a paper supply device as claimed in any one of claims 1 to 9.

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