CN212827476U

CN212827476U - Printer capable of automatically cleaning paper rolling wheel

Info

Publication number: CN212827476U
Application number: CN202020397791.7U
Authority: CN
Inventors: 徐米新
Original assignee: Jinan Shunmao Technology Co ltd
Current assignee: Jinan Shunmao Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-03-30
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an automatic printer of clean pickup roller, including the casing, be equipped with the paper disc in the casing, the casing inside wall rotates and is connected with first pivot, and fixedly connected with is located the pickup roller of paper disc top in the first pivot, and first pivot is located two first gears of pickup roller bilateral symmetry fixedly connected with, and two first gears all mesh and are connected with the second gear, and the meshing of second gear is connected with the third gear, and third gear fixedly connected with rotates with the casing and is connected with the second pivot. The cleaning wheel is arranged, so that the cleaning wheel can rub and clean the paper rolling wheel when the paper rolling wheel works, and further, the situations of unsmooth paper extraction and the like caused by excessive sundries on the paper rolling wheel after the paper rolling wheel works for a long time can be effectively avoided; meanwhile, the cleaning wheel can be conveniently replaced after being used for a period of time by arranging the connecting mechanism, and the cleaning wheel is prevented from being reduced in cleaning effect of the paper rolling wheel after being used for a long time.

Description

Printer capable of automatically cleaning paper rolling wheel

Technical Field

The utility model belongs to the technical field of the printer, especially, relate to a printer of self-cleaning pickup roller.

Background

The paper twisting wheel of printer is a wheel which can twist paper from paper pile, and is generally composed of two portions, the middle portion is a relatively hard plastic component, and its function is to bear the rubber wheel for twisting paper and to mount the paper twisting wheel component on the driving rod for driving the paper twisting wheel, and its another portion is a rubber wheel which can directly contact paper, and its surface is relatively rough.

However, in the using process of the paper rolling wheel, the paper rolling wheel continuously contacts and rubs with paper, so that sundries such as paper scraps, dust and the like are adhered to the surface of the paper rolling wheel, the sundries can influence the friction force between the paper rolling wheel and the paper, and when the sundries are too much, the friction force between the paper rolling wheel and the paper is greatly reduced, so that the situations that the paper is not smoothly drawn or even the paper is not drawn and the like occur to the paper rolling wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that sundries such as dust, paper scraps are easy to adhere to the surface of the paper rolling wheel in the prior art to influence the normal work of the paper rolling wheel, and providing a printer with an automatic cleaning paper rolling wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic printer of clean pickup roller, includes the casing, be equipped with the paper disc in the casing, the casing inside wall rotates and is connected with first pivot, fixedly connected with is located the pickup roller of paper disc top in the first pivot, first pivot is located two first gears of pickup roller bilateral symmetry fixedly connected with, two first gear all meshes and is connected with the second gear, the second gear meshing is connected with the third gear, third gear fixedly connected with rotates with the casing and is connected with the second pivot, the one end that the casing was kept away from in the second pivot is equipped with coupling mechanism, coupling mechanism is connected with the clean wheel with pickup roller laminating.

Preferably, the second gear is fixedly connected with a third rotating shaft, and the third rotating shaft is rotatably connected with the inner side wall of the shell.

Preferably, the diameter of the first gear is smaller than that of the paper rolling wheel, the sum of the diameters of the first gear and the second gear is larger than that of the paper rolling wheel and the third rotating shaft, and the sum of the diameters of the second gear and the third gear is larger than that of the cleaning wheel and the third rotating shaft.

Preferably, coupling mechanism includes stopper and threaded sleeve, be equipped with the thread groove in the threaded sleeve, the thread groove intercommunication has logical groove, the second pivot runs through logical groove and extends to in the thread groove with stopper fixed connection, the stopper size is less than the thread groove, the stopper size is greater than logical groove.

Preferably, the equal fixedly connected with threaded rod in clean wheel both ends, the threaded rod can pass through thread groove threaded connection with the screw sleeve.

Preferably, the screwing direction of the threaded sleeve and the threaded rod is the rotating direction of the paper rolling wheel.

Compared with the prior art, the utility model discloses possess following advantage:

1. the cleaning wheel is arranged, so that the cleaning wheel can rub and clean the paper rolling wheel when the paper rolling wheel works, and further, the situations of unsmooth paper extraction and the like caused by excessive sundries on the paper rolling wheel after the paper rolling wheel works for a long time can be effectively avoided;

2. the utility model can realize that the cleaning wheel and the paper rolling wheel rotate towards the same direction when the paper rolling wheel rotates by arranging the first gear, the second gear, the third gear and other structures, thereby improving the cleaning effect of the cleaning wheel on the paper rolling wheel;

3. the utility model discloses a set up coupling mechanism and can realize using convenient change clean wheel after a period at clean wheel, and then avoid long-time clean wheel after using to take place in the condition such as the clean effect of pickup roller reduces.

Drawings

Fig. 1 is a schematic view of an overall structure of a printer for automatically cleaning a pickup roller according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a connection structure of a printer with an automatic cleaning paper roller according to the present invention;

fig. 3 the utility model provides a first gear, second gear and third gear motion schematic diagram in the printer of self-cleaning pickup roller.

In the figure: the cleaning device comprises a shell 1, a paper tray 2, a first rotating shaft 3, a paper twisting wheel 4, a first gear 5, a second gear 6, a third gear 7, a second rotating shaft 8, a connecting mechanism 9, a cleaning wheel 10, a third rotating shaft 11, a limiting block 12, a threaded sleeve 13, a threaded groove 14, a through groove 15 and a threaded rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a printer capable of automatically cleaning a paper pickup roller comprises a housing 1, a paper tray 2 is arranged in the housing 1, a first rotating shaft 3 is rotatably connected to the inner side wall of the housing 1, a paper pickup roller 4 positioned above the paper tray 2 is fixedly connected to the first rotating shaft 3, a driving mechanism for driving the first rotating shaft 3 is arranged in the housing 1, the driving mechanism is a technology disclosed in the field and will not be described in detail here, two first gears 5 are symmetrically and fixedly connected to the first rotating shaft 3 at two sides of the paper pickup roller 4, the two first gears 5 are respectively engaged and connected with a second gear 6, the second gear 6 is engaged and connected with a third gear 7, the third gear 7 is fixedly connected with a second rotating shaft 8 rotatably connected with the housing 1, a connecting mechanism 9 is arranged at one end of the second rotating shaft 8, which is far away from the housing 1, and the connecting mechanism 9 is connected.

Specifically, the second gear 6 is fixedly connected with a third rotating shaft 11, the third rotating shaft 11 is rotatably connected with the inner side wall of the shell 1, and the third rotating shaft 11 plays a role in supporting and fixing the second gear 6.

It should be noted that the diameter of the first gear 5 is smaller than the diameter of the paper pickup wheel 4, so that the paper is prevented from being damaged due to the contact of the first gear 5 and the paper, the sum of the diameters of the first gear 5 and the second gear 6 is larger than the sum of the diameters of the paper pickup wheel 4 and the third rotating shaft 11, so that the third rotating shaft 11 is prevented from being contacted with the paper pickup wheel 4 to influence the rotation of the paper pickup wheel 4, and the sum of the diameters of the second gear 6 and the third gear 7 is larger than the sum of the diameters of the cleaning wheel 10 and the third rotating shaft 11, so that the third rotating shaft 11 is prevented from being contacted with the cleaning wheel 10 to influence the rotation of the cleaning wheel.

Specifically, coupling mechanism 9 includes stopper 12 and threaded sleeve 13, is equipped with thread groove 14 in the threaded sleeve 13, and thread groove 14 intercommunication has logical groove 15, and second pivot 8 runs through logical groove 15 and extend to in the thread groove 14 with stopper 12 fixed connection, stopper 12 size be less than thread groove 14, thereby stopper 12 size is greater than logical groove 15 and ensures that threaded sleeve 13 can not separate with second pivot 8 all the time.

Specifically, the two ends of the cleaning wheel 10 are fixedly connected with threaded rods 16, the threaded rods 16 can be in threaded connection with the threaded sleeves 13 through threaded grooves 14, the cleaning wheel 10 can be mounted and dismounted through matching between the threaded rods 16 and the threaded sleeves 13, and then after the cleaning wheel 10 works for a period of time, the threaded rods 16 and the threaded sleeves 13 can be separated from each other, so that the cleaning wheel 10 can be conveniently taken down and replaced.

It should be mentioned that the screwing direction of the threaded sleeve 13 and the threaded rod 16 is the rotation direction of the paper pickup wheel 4, so that when the paper pickup wheel 4 rotates, the second rotating shaft 8 will rotate with the paper pickup wheel 4 in the morning and evening, and then in the rotating process of the paper pickup wheel 4, the connection between the threaded sleeve 13 and the threaded rod 16 can be firmer without loosening and the like.

The working principle is as follows:

the utility model discloses during the use, first pivot 3 drives the paper roller 4 during operation, first gear 5 will drive second gear 6 and rotate towards the opposite direction that turns to with first gear 5, second gear 6 will drive third gear 7 and rotate towards the opposite direction with second gear 6 rotation, thereby can realize that third gear 7 drives cleaning wheel 10 and paper roller 4 syntropy through second pivot 8 and rotate, and then can realize the cleanness to paper roller 4, and can have better clean effect with paper roller 4 syntropy pivoted cleaning wheel 10, when cleaning wheel 10 needs to be changed, only need rotate threaded sleeve 13, make it separate with threaded rod 16, and then can be convenient take off the cleaning wheel and change.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A printer capable of automatically cleaning a paper pickup wheel comprises a shell (1), a paper tray (2) is arranged in the shell (1), it is characterized in that the inner side wall of the shell (1) is rotationally connected with a first rotating shaft (3), a paper pickup wheel (4) positioned above the paper disc (2) is fixedly connected on the first rotating shaft (3), the first rotating shaft (3) is symmetrically and fixedly connected with two first gears (5) at two sides of the paper rolling wheel (4), the two first gears (5) are both meshed and connected with a second gear (6), the second gear (6) is engaged with a third gear (7), the third gear (7) is fixedly connected with a second rotating shaft (8) which is rotatably connected with the shell (1), one end of the second rotating shaft (8) far away from the shell (1) is provided with a connecting mechanism (9), the connecting mechanism (9) is connected with a cleaning wheel (10) attached to the paper rolling wheel (4).

2. The printer of the automatic cleaning paper roller according to claim 1, characterized in that the second gear (6) is fixedly connected with a third rotating shaft (11), and the third rotating shaft (11) is rotatably connected with the inner side wall of the housing (1).

3. The printer of claim 1, wherein the diameter of the first gear (5) is smaller than that of the paper rolling wheel (4), the sum of the diameters of the first gear (5) and the second gear (6) is larger than that of the paper rolling wheel (4) and the third rotating shaft (11), and the sum of the diameters of the second gear (6) and the third gear (7) is larger than that of the cleaning wheel (10) and the third rotating shaft (11).

4. The printer with the automatic cleaning function of the pickup roller as claimed in claim 1, wherein the connecting mechanism (9) comprises a limiting block (12) and a threaded sleeve (13), a threaded groove (14) is formed in the threaded sleeve (13), the threaded groove (14) is communicated with a through groove (15), the second rotating shaft (8) penetrates through the through groove (15) and extends into the threaded groove (14) to be fixedly connected with the limiting block (12), the size of the limiting block (12) is smaller than that of the threaded groove (14), and the size of the limiting block (12) is larger than that of the through groove (15).

5. The printer for automatically cleaning the paper rolling wheel according to claim 4, characterized in that a threaded rod (16) is fixedly connected to both ends of the cleaning wheel (10), and the threaded rod (16) can be in threaded connection with the threaded sleeve (13) through a threaded groove (14).

6. The printer of claim 5, characterized in that the screwing direction of the threaded sleeve (13) and the threaded rod (16) is the rotation direction of the paper roller (4).