CN117382312A - Ink scraping device and ink-jet printer - Google Patents

Abstract

The application belongs to the technical field of printing, and provides an ink scraping device and an ink-jet printer, wherein the ink-jet printer comprises an ink scraping device, the ink scraping device comprises a bracket, an ink scraping disc, a displacement driving mechanism and a folding and unfolding mechanism, the displacement driving mechanism is fixed on the bracket, one end of the folding and unfolding mechanism is connected with the displacement driving mechanism, and the other end of the folding and unfolding mechanism is connected with the ink scraping disc; when the displacement driving mechanism drives the folding and unfolding mechanism to unfold along a first direction, the folding and unfolding mechanism drives the ink scraping disc to move along the first direction, and when the displacement driving mechanism drives the folding and unfolding mechanism to fold along a second direction, the folding and unfolding mechanism drives the ink scraping disc to move along the second direction. The setting of folding and unfolding mechanism can increase the amount of movement of the ink scraping disc along the first direction or the second direction, and then increase the movement range of the ink scraping disc along the first direction, and the stroke of the displacement driving mechanism is not required to be increased.

Description

Ink scraping device and ink-jet printer

Technical Field

The application belongs to the technical field of ink-jet printing, and particularly relates to an ink scraping device and an ink-jet printer.

Background

An inkjet printer is one of the output devices of a computer for printing computer processing results on a related medium. Among various printer types, an inkjet printer has characteristics of high resolution, rich colors, and good printing effects due to its unique ink ejection manner, and is widely used in fields of home, office, advertisement, art, and the like. The ink jet mode of the ink jet printer can be adjusted according to the requirement, and characters and images with different sizes, shapes and colors can be printed. Because of its flexibility and high adaptability, inkjet printers have become an integral part of modern society. In addition, with the continuous development of technology, the inkjet printer is continuously advancing, and the technology and performance of the inkjet printer are greatly improved from the original mechanical inkjet printer to the current digital inkjet printer.

Inkjet printers are generally equipped with a wiper device, by which a head of the inkjet printer is cleaned by a wiper disc, and excess ink on the head is scraped off to prevent the ink from contaminating the head and clogging the head. Specifically, in the printing process of the ink-jet printer, when ink is jetted each time, a part of ink remains on the nozzle, if the ink is not cleared timely, the ink may dry up in the nozzle, so that the printing effect is poor, even the nozzle is blocked, and the ink-scraping disc has the function of rapidly scraping the excessive ink on the surface of the nozzle after the ink is jetted by the ink-jet printer, so that the nozzle is kept clean, and the printing effect is ensured.

The ink scraping device mainly comprises an air cylinder and an ink scraping disc, the ink scraping disc is driven to move back and forth through the air cylinder, so that the ink scraping disc can scrape ink to a spray head, when the moving range of the ink scraping disc needs to be enlarged, the traditional method is generally realized by enlarging the stroke of the air cylinder, and therefore the air cylinder is excessively long in stroke and large in occupied space, and the air cylinder is excessively long and inconvenient to fix.

Disclosure of Invention

An object of the embodiment of the application is to provide a scraping device and ink jet printer to solve the scraping device that exists among the prior art and increase the movable range of scraping the ink tray through increasing cylinder stroke, lead to the cylinder occupation space big and inconvenient fixed technical problem.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided an ink scraping device comprising: the device comprises a bracket, a scraping disc, a displacement driving mechanism and a folding and unfolding mechanism, wherein the displacement driving mechanism is fixed on the bracket, one end of the folding and unfolding mechanism is connected with the displacement driving mechanism, and the other end of the folding and unfolding mechanism is connected with the scraping disc; when the displacement driving mechanism drives the folding and unfolding mechanism to unfold along a first direction, the folding and unfolding mechanism drives the ink scraping disc to move along the first direction, when the displacement driving mechanism drives the folding and unfolding mechanism to fold along a second direction, the folding and unfolding mechanism drives the ink scraping disc to move along the second direction, and the first direction is opposite to the second direction.

The displacement actuating mechanism of this ink scraping device is connected with scraping the ink tray through folding unfolding mechanism, displacement actuating mechanism is unfolded or when folding along the second direction through the folding unfolding mechanism of drive, folding unfolding mechanism drives and scrapes the ink tray and remove along first direction or second direction, folding unfolding mechanism's setting can increase and scrape the ink tray and remove along first direction or second direction, and then increase and scrape the ink tray and remove the scope at first direction, need not to increase displacement actuating mechanism's stroke, be convenient for fix displacement actuating mechanism, and when not using, be in the folded state through folding unfolding mechanism, be favorable to reducing the space occupation of scraping the ink device.

Optionally, the folding and unfolding mechanism comprises a first connecting piece, a second connecting piece and a scissor assembly connected between the first connecting piece and the second connecting piece, wherein the first connecting piece is connected with the bracket, the second connecting piece is connected with the ink scraping disc, and the scissor assembly is connected with the displacement driving mechanism.

Optionally, the folding and unfolding mechanism is located at one side of the support, which is away from the ink scraping disc, an avoidance opening extending along a first direction is formed in the support, an adapter plate is connected to the second connecting piece, and the adapter plate passes through the avoidance opening and is connected with the ink scraping disc.

Optionally, the bracket has a guide surface disposed away from the wiper disc, and the scissor assembly is in sliding contact with the guide surface in a first direction.

Optionally, the scissors assembly includes at least one articulated unit, the articulated unit includes first connecting rod and the second connecting rod of mutual cross hinge, when articulated unit is a plurality of, a plurality of articulated unit is followed the first direction distributes in proper order, the first connecting rod of articulated unit with adjacent the second connecting rod of articulated unit, the second connecting rod of articulated unit with adjacent the first connecting rod of articulated unit articulates, displacement actuating mechanism with be close to first connecting piece first connecting rod and/or second connecting rod is connected.

Optionally, the scissor assembly 43 further includes a first folding rod and a second folding rod, wherein one end of the first folding rod is hinged to a first connecting piece, the other end of the first folding rod is hinged to one end of the first connecting piece closest to the first connecting piece, one end of the second folding rod is hinged to a second connecting piece, and the other end of the second folding rod is hinged to one end of the second connecting piece closest to the first connecting piece.

Optionally, the scissor assembly 43 further includes a third folding bar, one end of which is hinged to the first connecting piece, and the other end of which is hinged to the first connecting piece closest to the first connecting piece, and a fourth folding bar, one end of which is hinged to the second connecting piece, and the other end of which is hinged to the second connecting piece closest to the first connecting piece.

Optionally, the ink scraping disc is supported on the bracket and is in sliding fit with the bracket along a first direction.

Optionally, a guide rail extending along the first direction is arranged on the bracket, and a sliding block is arranged on the ink scraping disc and is in sliding fit with the guide rail along the first direction.

The present application also provides an ink jet printer comprising an ink scraping device as described in any one of the above

The beneficial effect that this application provided the inkjet printer lies in: compared with the prior art, through above-mentioned ink scraping device, the displacement actuating mechanism of ink scraping device is connected with the ink scraping disc through folding unfolding mechanism, displacement actuating mechanism is unfolded or when folding along the second direction through the folding unfolding mechanism of drive, and folding unfolding mechanism drives the ink scraping disc and removes along first direction or second direction, and the setting of folding unfolding mechanism can increase the mobile of ink scraping disc along first direction or second direction, and then increases the mobile range of ink scraping disc in first direction, need not to increase displacement actuating mechanism's stroke, is convenient for fix displacement actuating mechanism, and when not using, is in folded state through folding unfolding mechanism, is favorable to reducing the space occupation of ink scraping device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an ink scraping device according to an embodiment of the present application, in which a displacement driving mechanism is in an unfolded state;

fig. 2 is a schematic perspective view of a second embodiment of the ink scraping device, where the displacement driving mechanism is in a folded state;

FIG. 3 is a schematic view of a portion of a wiper device according to an embodiment of the present disclosure, wherein a wiper disc is omitted;

FIG. 4 is a schematic perspective view of a folding and unfolding mechanism according to an embodiment of the present disclosure;

fig. 5 is a schematic perspective view of an ink scraping device according to another embodiment of the present disclosure;

FIG. 6 is a schematic cross-sectional view of the ink scraping device shown in FIG. 5;

fig. 7 is a schematic perspective view of the folding and unfolding mechanism shown in fig. 5.

Wherein, each reference sign in the figure:

10. a bracket; 11. an avoidance port; 12. a guide surface; 13. a guide rail; 20. a wiper disc; 21. a tray body; 22. a bottom plate; 221. a slide block; 23. a fixed block; 30. a displacement driving mechanism; 31. a cylinder; 32. a push rod; 33. a connecting column; 40. a folding and unfolding mechanism; 41. a first connector; 42. a second connector; 421. an adapter plate; 43. a scissors assembly; 431. a hinge unit; 432. a first link; 433. a second link; 434. a first folding bar; 435. a second folding bar; 436. a third folding bar; 437. a fourth folding bar; 44. a shaft lever; 45. a universal wheel; 50. a housing; 60. a receiving chamber; 70. a buffer; f1, a first direction; f2, the second direction.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, a description will be given of an ink scraping device according to an embodiment of the present application. The ink scraping device is used for cleaning the nozzle of the ink-jet printer.

Referring to fig. 1 and 2, the ink scraping device includes a bracket 10, an ink scraping disc 20, a displacement driving mechanism 30 and a folding and unfolding mechanism 40, wherein the displacement driving mechanism 30 is fixed on the bracket 10, one end of the folding and unfolding mechanism 40 is connected with the displacement driving mechanism 30, and the other end is connected with the ink scraping disc 20; when the displacement driving mechanism 30 drives the folding and unfolding mechanism 40 to unfold along the first direction F1, the folding and unfolding mechanism 40 drives the ink scraping plate 20 to move along the first direction F1, and when the displacement driving mechanism 30 drives the folding and unfolding mechanism 40 to fold along the second direction F2, the folding and unfolding mechanism 40 drives the ink scraping plate 20 to move along the second direction F2, and the first direction F1 is opposite to the second direction F2.

The bracket 10 is used for being fixed on a frame of the inkjet printer, and is arranged along a horizontal direction, the ink scraping disc 20 is positioned above the bracket 10, and the displacement driving mechanism 30 and the folding mechanism are positioned below the ink scraping disc 20. When the displacement driving mechanism 30 expands in the first direction F1 by driving the folding and expanding mechanism 40, the length of the folding and expanding mechanism 40 increases in the first direction F1, so that the folding and expanding mechanism 40 can drive the ink scraping plate 20 to move in the first direction F1 by the self-expanding motion, as shown in fig. 1; when the displacement driving mechanism 30 drives the folding and unfolding mechanism 40 to fold along the second direction F2, the folding and unfolding mechanism 40 shortens along the second direction F2, so that the folding and unfolding mechanism 40 can drive the ink scraping plate 20 to move along the second direction F2 through folding motion, as shown in fig. 2.

When in operation, the displacement driving mechanism 30 drives the ink scraping disc 20 to move along the first direction F1 through the folding and unfolding mechanism 40 so as to transmit the ink scraping disc 20 to the position right below the ink-jet printer, and then the displacement driving mechanism 30 drives the ink scraping disc 20 to move along the first direction F1 or the second direction F2 through the folding and unfolding mechanism 40 so as to enable the ink scraping disc 20 to scrape redundant ink on the surface of the spray head, so that the spray head is kept clean, and the printing effect is ensured.

Alternatively, the first direction F1 is a horizontal straight line direction, and the second direction F2 is a horizontal straight line direction opposite to the first direction F1.

Compared with the prior art, the application provides an ink scraping device, the displacement actuating mechanism 30 of the ink scraping device is connected with the ink scraping disc 20 through folding unfolding mechanism 40, displacement actuating mechanism 30 is unfolded along first direction F1 or when folding along second direction F2 through the folding unfolding mechanism 40 of drive, folding unfolding mechanism 40 drives ink scraping disc 20 to remove along first direction F1 or second direction F2, folding unfolding mechanism 40's setting can increase the amount of movement of ink scraping disc 20 along first direction F1 or second direction F2, and then increase the range of movement of ink scraping disc 20 in first direction F1, need not to increase the stroke of displacement actuating mechanism 30, be convenient for fix displacement actuating mechanism 30, and when not using, be favorable to reducing the space occupation of ink scraping device through being in folding unfolding mechanism 40 in folded state.

In some embodiments of the present application, referring to fig. 1, a guide rail 13 extending along a first direction F1 is provided on a bracket 10, and a slider 221 is provided on a wiper disc 20, where the slider 221 is slidably engaged with the guide rail 13 along the first direction F1.

Optionally, the guide rail 13 is disposed on the upper surface of the bracket 10, and the slider 221 is disposed on the lower surface of the ink scraping plate 20.

The sliding block 221 is in sliding fit with the guide rail 13 along the first direction F1, so that the ink scraping disc 20 is arranged on the bracket 10 in a sliding manner, and the ink scraping disc 20 is not easy to shift or shake when moving.

Further, the number of the guide rails 13 is two, the two guide rails 13 are arranged at intervals in parallel along the direction perpendicular to the first direction F1, the number of the sliding blocks 221 is at least two, and each guide rail 13 is provided with at least one sliding block 221 in sliding fit with the sliding block.

Alternatively, referring to fig. 3, the displacement driving mechanism 30 is an air cylinder, and the air cylinder includes a cylinder 31 and a push rod 32 connected to the cylinder 31, and one end of the push rod 32 is connected to the folding and unfolding mechanism 40.

Specifically, when the length of the push rod 32 extends along the first direction F1 and the cylinder 31 drives the push rod 32 to extend along the first direction F1, the push rod 32 drives the folding and unfolding mechanism 40 to unfold along the first direction F1, and further drives the ink scraping plate 20 to move along the first direction F1, and when the cylinder 31 drives the push rod 32 to shorten along the second direction F2, the push rod 32 drives the folding and unfolding mechanism 40 to shorten along the second direction F2, and further drives the ink scraping plate 20 to move along the second direction F2.

It should be noted that the displacement driving mechanism 30 may be other mechanisms, such as a mechanism in which a motor is matched with a screw.

In some embodiments of the present application, referring to fig. 1 and 4, the folding and unfolding mechanism 40 includes a first connecting member 41, a second connecting member 42, and a scissor assembly 43 connected between the first connecting member 41 and the second connecting member 42, wherein the first connecting member 41 is connected with the bracket 10, the second connecting member 42 is connected with the scraping plate 20, and the scissor assembly 43 is connected with the displacement driving mechanism 30.

Specifically, the displacement driving mechanism 30 can drive the scissor assembly 43 to be unfolded along the first direction F1, and when the scissor assembly 43 is driven to be unfolded along the first direction F1, the second connecting piece 42 is driven to move along the first direction F1, and the ink scraping plate 20 is driven to move along the first direction F1, while the first connecting piece 41 is kept stationary. The displacement driving mechanism 30 can also drive the scissor assembly 43 to fold along the second direction F2, and when the scissor assembly 43 is driven to fold along the second direction F2, the second connecting piece 42 is driven to move along the second direction F2, so that the ink scraping plate 20 is driven to move along the second direction F2, and the first connecting piece 41 is kept motionless.

In some embodiments of the present application, referring to fig. 1, the folding and unfolding mechanism 40 is located on a side of the support 10 away from the ink scraping disc 20, an avoidance opening 11 extending along the first direction F1 is provided on the support 10, and an adapter plate 421 is connected to the second connecting member 42, where the adapter plate 421 is connected to the ink scraping disc 20 by passing through the avoidance opening 11.

Specifically, the ink scraping disc 20 includes a disc body 21, a bottom plate 22, and a fixing block 23, the bottom plate 22 is connected to the bottom of the disc body 21, the fixing block 23 is connected to one end of the bottom plate 22 along the first direction F1, and the adapter plate 421 is connected to the fixing block 23 by passing through the avoidance hole 11.

It can be appreciated that, when the displacement driving mechanism 30 drives the ink scraping disc 20 to move along the first direction F1 or the second direction F2 through the scissor assembly 43, the second connecting piece 42 and the adapter plate 421, the adapter piece moves in the avoidance opening 11 along the first direction F1 or the second direction F2.

In some embodiments of the present application, the carriage 10 has a guide surface 12 disposed away from the squeegee 20, and the scissor assembly 43 is in sliding contact with the guide surface 12 in the first direction F1.

In this way, by bringing the scissor assembly 43 into sliding contact with the guide surface 12 in the first direction F1, stability of the unfolding movement of the scissor assembly 43 in the first direction F1 or the folding movement in the second direction F2 is facilitated.

In some embodiments of the present application, referring to fig. 4, the scissor assembly 43 includes at least one hinge unit 431, the hinge unit 431 includes a first link 432 and a second link 433 that are hinged to each other in a crossing manner, when the hinge unit 431 is plural, the hinge units 431 are sequentially distributed along the first direction F1, the first link 432 of the hinge unit 431 is hinged to the second link 433 of the adjacent hinge unit 431, the second link 433 of the hinge unit 431 is hinged to the first link 432 of the adjacent hinge unit 431, and the displacement driving mechanism 30 is connected to the first link 432 and/or the second link 433 near the first connection member 41.

Optionally, the middle part of the first link 432 of the hinge unit 431 is hinged to the middle part of the second link 433, and the displacement driving mechanism 30 drives the first link 432 and/or the second link 433 close to the first connector 41 to move along the first direction F1 or the second direction F2, so that the first link 432 of the hinge unit 431 and the second link 433 perform a scissor motion, and the hinge unit 431 is unfolded and stretched along the first direction F1 or folded and shortened along the second direction F2, so that the scissor assembly 43 is stretched along the first direction F1 or shortened along the second direction F2.

Alternatively, the number of the hinge units 431 is two, the two hinge units 431 are distributed along the first direction F1, one end of the first link 432 of one hinge unit 431 is hinged to one end of the second link 433 of the other hinge unit 431, one end of the second link 433 of one hinge unit 431 is hinged to one end of the first link 432 of the other hinge unit 431, the displacement driving mechanism 30 further includes a connection post 33, the connection post 33 extends in the vertical direction, one end of the connection post 33 is connected to one end of the push rod 32 of the displacement driving mechanism 30, specifically, the connection post 33 is connected to one end of the push rod 32, and the other end of the connection post 33 is connected to the middle of the first link 432.

It should be noted that the number of hinge units 431 may be adjusted according to the moving range of the wiper disc 20.

In some embodiments of the present application, referring to fig. 4, the scissor assembly 43 further includes a first folding bar 434 and a second folding bar 435, wherein one end of the first folding bar 434 is hinged to the first connecting member 41, the other end is hinged to one end of the first connecting bar 432 closest to the first connecting member 41, one end of the second folding bar 435 is hinged to the second connecting member 42, and the other end is hinged to one end of the second connecting bar 433 closest to the first connecting member.

When the hinge unit 431 is unfolded or folded, the first folding bar 434 is unfolded or folded with respect to the first link 41 and the first link 432, and the second folding bar 435 is unfolded or folded with respect to the first link 41 and the second link 433, thereby realizing that the scissor assembly 43 can be unfolded or folded with respect to the first link 41.

In some embodiments of the present application, the scissor assembly 43 further includes a third folding bar 436 and a fourth folding bar 437, one end of the third folding bar 436 is hinged with the first link 41, the other end is hinged with the first link 432 closest to the first link 41, one end of the fourth folding bar 437 is hinged with the second link 42, and the other end is hinged with the second link 433 closest to the first link 41.

When the hinge unit 431 is unfolded or folded, the third folding bar 436 is unfolded or folded with respect to the second link 42 and the first link 432, and the fourth folding bar 437 is unfolded or folded with respect to the second link 42 and the second link 433, thereby enabling the scissor assembly 43 to be unfolded or folded with respect to the second link 42.

In some embodiments of the present application, the number of the scissor assemblies 43 is two, and the two scissor assemblies 43 are arranged at intervals along the vertical direction. The two scissor assemblies 43 are adopted, so that the strength of the unfolding and folding assembly is improved, and the folding assembly is not easy to deform.

Further, the hinge point at the same position between the two scissor assemblies 43 adopts the same shaft lever 44 to realize hinge, which is beneficial to ensuring the consistency of the movement of the two scissor assemblies 43 and saving the cost.

In some embodiments of the present application, referring to fig. 5 and 6, the ink scraping device further includes a housing 50, the housing 50 covers the bottom of the bracket 10 to enclose a containing cavity 60 with the bracket 10, the folding and unfolding mechanism 40 is disposed in the containing cavity 60, and the avoiding opening 11 is communicated with the containing cavity 60. By providing the housing 50, the fold-and-unfold mechanism 40 is advantageously protected.

In some embodiments of the present application, referring to fig. 7, the bottom of the folding and unfolding mechanism 40 is provided with a universal wheel 45, and the universal wheel 45 is in rolling contact with the bottom of the housing 50. Specifically, the bottoms of the first connector 41, the second connector 42 and the scissor assembly 43 are provided with universal wheels 45.

According to the technical scheme, the housing 50 is supported on the folding and unfolding mechanism 40 through the universal wheels 45, so that the situation that the gravity of the folding and unfolding mechanism 40 generates traction force on the displacement driving mechanism 30 to deform the displacement driving mechanism is effectively avoided, the service life of the displacement driving mechanism 30 is prolonged, in addition, the folding and unfolding mechanism 40 is supported through the cooperation of the housing 50 and the bracket 10, the folding and unfolding mechanism 40 is improved in stability of unfolding along the first direction F1 or folding along the second direction F2, and the folding and unfolding mechanism 40 is not easy to deform.

In some embodiments of the present application, referring to fig. 5, the ink scraping device further includes a buffer 70, where the buffer 70 is disposed on the housing 50 and located in the accommodating cavity 60, and the buffer 70 is used for buffering the unfolding motion of the folding and unfolding mechanism 40, specifically, when the folding and unfolding mechanism 40 is fully unfolded along the first direction F1, the folding and unfolding mechanism 40 is in buffering contact with the buffer 70.

In some embodiments of the present application, the wiper disc 20 is supported on the bracket 10 and is slidably engaged with the bracket 10 in the first direction F1.

Through supporting the ink scraping plate 20 on the bracket 10, the displacement driving mechanism 30 and the folding unfolding mechanism 40 are only used for driving the ink scraping plate 20 to move along the first direction F1 and the second direction F2, and no supporting force is provided for the ink scraping plate 20, so that the strength requirements on the displacement driving mechanism 30 and the folding unfolding mechanism 40 are reduced, the cost is reduced, and the displacement driving mechanism 30 and the folding unfolding mechanism 40 are not easy to deform, so that the service lives of the displacement driving mechanism 30 and the folding unfolding mechanism 40 are prolonged. In addition, by slidably engaging the wiper disc 20 with the bracket 10 along the first direction F1, the stability of the movement of the wiper disc 20 along the first direction F1 and the second direction F2 is improved.

The application also provides an ink jet printer comprising the ink scraping device of any embodiment.

Compared with the prior art, the ink jet printer provided by the application, through the ink scraping device, the displacement driving mechanism 30 of the ink scraping device is connected with the ink scraping disc 20 through the folding and unfolding mechanism 40, when the displacement driving mechanism 30 is folded along the first direction F1 or the second direction F2 by driving the folding and unfolding mechanism 40, the folding and unfolding mechanism 40 drives the ink scraping disc 20 to move along the first direction F1 or the second direction F2, the setting of the folding and unfolding mechanism 40 can increase the movement amount of the ink scraping disc 20 along the first direction F1 or the second direction F2, the movement range of the ink scraping disc 20 in the first direction F1 is further increased, the stroke of the displacement driving mechanism 30 is not required to be increased, the displacement driving mechanism 30 is convenient to fix, and when the ink scraping device is not used, the space occupation of the ink scraping device is reduced by enabling the folding and unfolding mechanism 40 to be in a folding state.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. An ink scraping device, comprising: the device comprises a bracket, a scraping disc, a displacement driving mechanism and a folding and unfolding mechanism, wherein the displacement driving mechanism is fixed on the bracket, one end of the folding and unfolding mechanism is connected with the displacement driving mechanism, and the other end of the folding and unfolding mechanism is connected with the scraping disc; when the displacement driving mechanism drives the folding and unfolding mechanism to unfold along a first direction, the folding and unfolding mechanism drives the ink scraping disc to move along the first direction, when the displacement driving mechanism drives the folding and unfolding mechanism to fold along a second direction, the folding and unfolding mechanism drives the ink scraping disc to move along the second direction, and the first direction is opposite to the second direction.

2. The ink scraping device as claimed in claim 1, wherein: the folding and unfolding mechanism comprises a first connecting piece, a second connecting piece and a scissor assembly connected between the first connecting piece and the second connecting piece, wherein the first connecting piece is connected with the bracket, the second connecting piece is connected with the ink scraping disc, and the scissor assembly is connected with the displacement driving mechanism.

3. The ink scraping apparatus as claimed in claim 2, wherein: the folding and unfolding mechanism is located on one side, away from the ink scraping disc, of the support, an avoidance opening extending along the first direction is formed in the support, an adapter plate is connected to the second connecting piece, and the adapter plate penetrates through the avoidance opening to be connected with the ink scraping disc.

4. A wiping device as defined in claim 3, wherein: the support has a guide surface facing away from the ink scraping plate, and the scissor assembly is in sliding contact with the guide surface along a first direction.

5. The ink scraping apparatus as claimed in claim 2, wherein: the shear fork assembly comprises at least one hinge unit, wherein the hinge unit comprises a first connecting rod and a second connecting rod which are mutually crossed and hinged, when the hinge units are multiple, the hinge units are sequentially distributed along the first direction, the first connecting rod of each hinge unit is hinged with the second connecting rod of the adjacent hinge unit, the second connecting rod of each hinge unit is hinged with the first connecting rod of the adjacent hinge unit, and the displacement driving mechanism is connected with the first connecting rod and/or the second connecting rod which are close to the first connecting piece.

6. The ink scraping apparatus as claimed in claim 5, wherein: the scissors assembly 43 further comprises a first folding rod and a second folding rod, wherein one end of the first folding rod is hinged to a first connecting piece, the other end of the first folding rod is hinged to one end of the first connecting piece closest to the first connecting piece, one end of the second folding rod is hinged to a second connecting piece, and the other end of the second folding rod is hinged to one end of the second connecting piece closest to the first connecting piece.

7. The ink scraping apparatus as claimed in claim 5, wherein: the scissors assembly 43 further comprises a third folding bar and a fourth folding bar, wherein one end of the third folding bar is hinged to the first connecting piece, the other end of the third folding bar is hinged to the first connecting piece closest to the first connecting piece, one end of the fourth folding bar is hinged to the second connecting piece, and the other end of the fourth folding bar is hinged to the second connecting piece closest to the first connecting piece.

8. The ink scraping apparatus as claimed in any of claims 1-7, wherein: the ink scraping disc is supported on the bracket and is in sliding fit with the bracket along a first direction.

9. The ink scraping device as claimed in claim 8, wherein: the ink scraping device comprises a support, wherein the support is provided with a guide rail extending along the first direction, the ink scraping disc is provided with a sliding block, and the sliding block is in sliding fit with the guide rail along the first direction.

10. An inkjet printer comprising an ink scraping device as claimed in any one of claims 1 to 9.