Dust removal device for paper feeding system

By designing a dust removal device for the filter cartridge tube and exhaust fan in the paper feeding system, the problem of dust accumulation was solved, resulting in a long filter cartridge life and low maintenance frequency, thus improving the operating efficiency of the equipment.

CN223800257UActive Publication Date: 2026-01-16TONGXIANG PRINTING
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520092567.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-16
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

In existing paper feeding systems, dust is generated by the friction between the paper feed rollers and the friction plates, leading to dust accumulation inside the equipment and affecting its normal operation. Furthermore, existing dust removal devices have a short service life and require frequent maintenance.

Method used

Design a dust removal device that includes a filter cartridge, an exhaust fan, and filter cotton. The exhaust fan provides negative pressure, the filter cotton filters dust from the air, and the filter cotton can be switched using a knob to extend the service life of the filter cartridge.

Benefits of technology

It effectively removes dust, extends the service life of the filter element, reduces the maintenance frequency, and improves the operational stability and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223800257U_ABST
    Figure CN223800257U_ABST
Patent Text Reader

Abstract

The utility model discloses a dust removal device for a paper feeding system, which comprises an outer cylinder, one end of the outer cylinder is provided with a fixed cover plate for sealing a cylinder opening, the other end of the outer cylinder is detachably connected with a movable cover plate, the fixed cover plate is rotatably connected with a driven disc, the movable cover plate is rotatably connected with a driving disc, and a filter element pipe is further arranged in the outer cylinder. One end of the filter element pipe is propped against the driven disc, the other end of the filter element pipe is propped against the driving disc, a main shaft is rotationally connected to the movable cover plate, one end of the main shaft is connected to the driving disc, the other end of the main shaft is provided with a knob for controlling the main shaft to rotate, and an air inlet is formed in the side face of the outer cylinder; the air outlet channel and the filter element pipe are coaxially arranged, one end of the air outlet channel is connected with the interior of the filter element pipe, and an exhaust fan for providing negative pressure is arranged at the other end of the air outlet channel. The dust removal device has the characteristics of long service life of the filter element and low replacement and maintenance frequency, and is complete in overall function and high in practicability.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification technical field more specifically, it relates to a dust collector for paper feeding system. BACKGROUND

[0002] The paper feeding system usually includes the paper fed, the paper rubbing wheel and the friction piece. During using the paper rubbing wheel to give the paper fed to provide the forward power, the moving paper fed and the static friction piece will produce certain friction between the paper fed, and the dust is produced. If not adding the dust collector in the equipment, the internal dust will increase after the equipment uses certain time, thereby the normal operation of equipment is affected, and the overall effect is not good. Accordingly, the utility model provides a dust collector for paper feeding system. SUMMARY

[0003] The utility model discloses a dust collector for paper feeding system, which has a long service life of filter core and low frequency of replacement and maintenance.

[0004] To solve the above technical problem, the utility model discloses a dust collector for paper feeding system, which includes a cylindrical outer cylinder. One end of the outer cylinder is provided with a fixed cover plate that closes the cylinder opening, and the other end is detachably connected with a movable cover plate. A driven disc is rotatably connected to the fixed cover plate. A driving disc is rotatably connected to the movable cover plate and coaxially arranged with the driven disc. Both the driving disc and the driven disc are arranged in the outer cylinder. A filter core tube is coaxially arranged in the outer cylinder. One end of the filter core tube is abutted by the driven disc, and the other end is abutted by the driving disc. A main shaft is rotatably connected to the movable cover plate. One end of the main shaft is connected to the driving disc, and the other end is provided with a knob for controlling rotation. An air inlet is formed on the side of the outer cylinder and extends in the axial direction. An air outlet channel passes through the fixed cover plate and the driven disc in sequence. The air outlet channel is coaxially arranged with the filter core tube. One end of the air outlet channel is connected to the inside of the filter core tube, and the other end is provided with an air extractor for providing negative pressure. The air extractor is arranged on the fixed cover plate.

[0005] The utility model further provides that the filter core tube includes two end plates arranged symmetrically left and right. The end plates are annular. A plurality of partition plates are arranged in annular array around the axis and connected between the two end plates. A piece of filter cotton is filled between adjacent partition plates, and the left and right ends of the filter cotton abut against the end plates.

[0006] The utility model further provides that the interval angles between adjacent partition plates are equal.

[0007] The utility model further provides that the number of partition plates is six.

[0008] The utility model further sets up: the air inlet is equipped with the guide nozzle connected with the outer tube.

[0009] The utility model further sets up: be equipped with visual window on fixed cover plate and / or movable cover plate.

[0010] The utility model further sets up: the one end of driven disc towards filter core pipe, the one end of driving disc towards filter core pipe all are equipped with flexible protruding.

[0011] The utility model further sets up: the flexible protruding is soft glue material.

[0012] The utility model further sets up: the knob is equipped with the positioning structure of limiting knob to make rotation between movable cover plate.

[0013] The utility model further sets up: the positioning structure includes the positioning recess that is distributed on movable cover plate, wherein at least one positioning recess is inlayed with positioning protruding, the one end of knob towards movable cover plate is equipped with spring piece, and the positioning protruding is located on spring piece.

[0014] Summarized above, the utility model has following beneficial effect:

[0015] 1. by setting up the device at dust concentration, makes the device work, and dust removal is carried out to local.

[0016] 2. by rotating and switching effective dust removal filter cotton, makes single filter core pipe be used many times, and the service life is greatly prolonged, and the frequency of replacement maintenance is reduced. DRAWINGS

[0017] Figure 1 It is the whole structure schematic drawing of the utility model;

[0018] Figure 2 It is the internal structure schematic drawing of the utility model;

[0019] Figure 3 It is the local structure schematic drawing of the utility model;

[0020] Figure 4 It is the structure schematic drawing for embodying filter core pipe of the utility model. SPECIFIC EMBODIMENT

[0021] In order to make the technical scheme of the utility model better understood by those skilled in the art, the preferred embodiments of the utility model are described below in conjunction with specific examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the utility model, and are not a limitation on the utility model patent claims. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] The utility model is further illustrated below in conjunction with the drawings and preferred embodiments.

[0023] Embodiment 1

[0024] Referring to Figures 1 to 4 As shown in the figure, the dust removal device for a paper feeding system of the embodiment comprises a cylindrical outer cylinder 1, one end of the outer cylinder 1 is provided with a fixed cover plate 2 closing the cylinder opening, the other end is detachably connected with a movable cover plate 3, the fixed cover plate 2 is rotatably connected with a driven disc 4, the movable cover plate 3 is rotatably connected with a driving disc 5 coaxially arranged with the driven disc, the driving disc 5 and the driven disc 4 are both arranged in the outer cylinder 1, the outer cylinder 1 is further provided with a filter core pipe 6 coaxially arranged, one end of the filter core pipe 6 is abutted by the driven disc and the other end is abutted by the driving disc, the movable cover plate 3 is rotatably connected with a main shaft 7, one end of the main shaft 7 is connected to the driving disc and the other end is provided with a knob 8 controlling rotation, the side surface of the outer cylinder 1 is provided with an air inlet 9 extending along the axial direction, further comprising an air outlet channel 10 sequentially penetrating through the fixed cover plate and the driven disc, the air outlet channel 10 is coaxially arranged with the filter core pipe 6, one end of the air outlet channel 10 is connected to the inside of the filter core pipe and the other end is provided with an air extractor 11 providing negative pressure, the air extractor 11 is arranged on the fixed cover plate 2.

[0025] Further, the filter core pipe 6 comprises two end panels 61 arranged in left-right symmetry, the end panel 61 is in the form of a circular ring, a plurality of partition plates 62 are arranged in annular array around the axis between the two end panels 61, a piece of filter cotton 63 is filled between the two adjacent partition plates 62, and the left and right ends of the filter cotton 63 abut against the end panel 61.

[0026] Further, the interval angle between the two adjacent partition plates 62 is equal.

[0027] Further, the number of the partition plates 62 is six.

[0028] In the embodiment, first, the filter core tube 6 is loaded in the outer cylinder 1 in a cocked manner and arranged coaxially with the outer cylinder 1, then the movable cover plate 3 is closed, at this time, one end of the filter core tube 6 is abutted by the driven disc and the other end is abutted by the driving disc, when the knob 8 is rotated, the filter core tube 6 is rotationally controlled relative to the outer cylinder 1, so as to achieve the effect of switching the use of the filter cotton 63.

[0029] When the filter cotton 63 in the dust removal device is used to the set time, the equipment shell is opened, the knob 8 is rotated by 60°, the dust removal device completes the switching of a new filter cotton 63, and is used for dust removal again, until the six filter cottoms 63 are all used up, then the filter core tube 6 is replaced.

[0030] The dust removal principle of the dust removal device is as follows: the suction fan 11 provides negative pressure inside the air outlet channel 10, so that a negative pressure environment is formed inside the filter core tube 6, so that the airflow at the air inlet 9 position enters the filter core tube 6 after passing through the corresponding filter cotton 63, during which the filter cotton 63 filters and removes dust from the airflow.

[0031] Embodiment 2

[0032] Referring to Figures 1 to 4 The dust removal device for the paper feeding system further comprises a guide nozzle 12 connected with the outer cylinder 1.

[0033] In the embodiment, the guide nozzle 12 is arranged to guide the airflow, so as to improve the convection intensity near the air inlet 9 and improve the dust removal effect.

[0034] Embodiment 3

[0035] Referring to Figures 1 to 4 The dust removal device for the paper feeding system further comprises a visible window (not shown) arranged on the fixed cover plate 2 and / or the movable cover plate 3.

[0036] In the embodiment, the visible window is arranged to facilitate the observation of the inside of the outer cylinder 1 and the adjustment of the position state of the filter core tube 6.

[0037] Embodiment 4

[0038] Referring to Figures 1 to 4 The dust removal device for the paper feeding system further comprises a flexible protrusion 13 arranged on one end of the driven disc 4 facing the filter core tube 6 and one end of the driving disc 5 facing the filter core tube 6; the flexible protrusion 13 is made of soft rubber material.

[0039] In the embodiment, the filter core tube 6 in the device after the closing of the movable cover plate 3 is compressed in the left-right direction, so that the transmission is more reliable (when the driving disc 5 rotates, the filter core tube 6 and the driven disc 4 need to be driven at the same time).

[0040] Embodiment 5

[0041] Referring to Figures 1 to 4 As shown in the drawings, the dust removal device for the paper feeding system in the embodiment is further provided with a positioning structure for limiting the rotation of the knob 8 on the basis of the embodiment 1, the positioning structure comprises positioning grooves (not shown) arranged on the movable cover plate 3, at least one of the positioning grooves is embedded with a positioning protrusion (not shown), one end of the knob 8 facing the movable cover plate is provided with a spring piece (not shown), and the positioning protrusion is arranged on the spring piece.

[0042] In the embodiment, after the rotation adjustment of the knob 8 is completed, the position can be locked, so that the position of the filter core tube 6 in the outer cylinder 1 is not deviated due to the wind pressure.

[0043] The dust removal device for the paper feeding system has the advantages that the device is arranged at the dust concentration position, dust in the local position can be removed when the device works, the filter cotton for effective dust removal is rotated and switched, a single filter core tube can be used for multiple times, the service life is greatly prolonged, the frequency of replacement and maintenance is reduced, the overall function is perfect, and the practicability is high.

[0044] Unless otherwise specified, in the utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, the orientation or positional relationship is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the utility model and simplifying the description, and therefore the described orientation or positional relationship in the utility model is only used for example description, and cannot be understood as the limitation of the patent, and for the ordinary skilled person in the art, the specific meaning of the above-mentioned terms can be understood in combination with the embodiments and according to the specific situation.

[0045] Unless otherwise clearly indicated and limited, in the present application, if the terms "provided", "connected" and "connected" are used, they should be understood broadly, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A dust removing device for a paper feed system comprising a cylindrical outer cylinder, characterized by: One end of the outer cylinder is provided with a fixed cover plate for closing the cylinder opening, and the other end is detachably connected with a movable cover plate, the fixed cover plate is rotatably connected with a driven disc, the movable cover plate is rotatably connected with a driving disc coaxially arranged with the driven disc, the driving disc and the driven disc are arranged in the outer cylinder, the outer cylinder is further provided with a filter core pipe coaxially arranged, one end of the filter core pipe is abutted by the driven disc, and the other end is abutted by the driving disc, the movable cover plate is rotatably connected with a main shaft, one end of the main shaft is connected to the driving disc, and the other end is provided with a knob for controlling rotation, the side surface of the outer cylinder is provided with an air inlet extending in the axial direction, and the air inlet further comprises an air outlet channel penetrating the fixed cover plate and the driven disc in sequence, the air outlet channel is coaxially arranged with the filter core pipe, one end of the air outlet channel is connected with the inside of the filter core pipe, and the other end is provided with an air extractor for providing negative pressure, and the air extractor is arranged on the fixed cover plate.

2. The dust removing device for a paper feed system according to claim 1, characterized by: The filter core pipe comprises two left and right symmetrical end face plates, the end face plates are annular, a plurality of partition plates are connected between the two end face plates and arranged in annular array around the axis, a piece of filter cotton is filled between adjacent two partition plates, and the left and right ends of the filter cotton abut against the end face plates.

3. The dust removing device for a paper feed system according to claim 2, characterized by: The interval angles between adjacent two partition plates are equal.

4. The dust removing device for a paper feed system according to claim 3, characterized by: The number of the partition plates is six.

5. The dust removal device for a paper feed system according to any one of claims 1 to 4, characterized in that: An air guide nozzle connected with the outer cylinder is arranged outside the air inlet.

6. The dust removing device for a paper feed system according to claim 1, wherein: A visible window is arranged on the fixed cover plate and / or the movable cover plate.

7. The dust removing device for a paper feed system according to claim 1, characterized by: Flexible protrusions are arranged on one end of the driven disc facing the filter core pipe and one end of the driving disc facing the filter core pipe.

8. The dust removing device for a paper feed system according to claim 7, characterized by: The flexible protrusions are made of soft rubber material.

9. The dust removing device for a paper feed system according to claim 1, wherein: A positioning structure for limiting rotation of the knob is arranged between the knob and the movable cover plate.

10. The dust removing device for a paper feed system according to claim 9, characterized by: The positioning structure comprises positioning grooves arranged on the movable cover plate, at least one positioning groove is embedded with a positioning protrusion, one end of the knob facing the movable cover plate is provided with a spring sheet, and the positioning protrusion is arranged on the spring sheet.