CN110381226B

CN110381226B - Scanner

Info

Publication number: CN110381226B
Application number: CN201910656048.0A
Authority: CN
Inventors: 蔡士军; 王天宇; 夏美佳
Original assignee: Skana Beijing Technology Co ltd
Current assignee: Skana (Beijing) Technology Co.,Ltd.
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2021-08-03
Anticipated expiration: 2039-07-19
Also published as: CN110381226A

Abstract

The invention belongs to the technical field of scanners, in particular to a scanner; comprises an object stage; an installation cavity is formed in the objective table, a lifting adsorption device is arranged in the installation cavity, and the lifting adsorption device is used for fixing scanned documents or paper; the electric telescopic rod is arranged on the bottom end wall of the mounting cavity, and a lifting plate is supported at the top end of the electric telescopic rod; the lifting plate is formed by sleeving a plurality of square plates, and a plurality of suckers are arranged on the upper surface of each square plate; the square plate is internally provided with a connecting cavity, and an air suction pipe is arranged in the connecting cavity; the air suction pipe is communicated with the sucking disc through the air guide pipe; the vacuum pump is communicated with the air suction pipe through a telescopic air pipe and is arranged in the center of the installation cavity; the air suction pipes arranged in the square plates are communicated through connecting pipes; the phenomenon that the paper warps or curls on the objective table when being tiled is prevented, and the clear and quick scanning effect of the scanner on the information on the paper is further influenced.

Description

Scanner

Technical Field

The invention belongs to the technical field of scanners, and particularly relates to a scanner.

Background

The scanner is a device which converts graph or image information into digital signals in a scanning mode by utilizing a photoelectric technology and a digital processing technology; scanners are commonly used in computer peripheral devices by capturing images and converting them into digitized input devices that a computer can display, edit, store, and output.

And current scanner is relatively poor at some gas permeabilities of scanning, and is folding for a long time, during the paper under the crimping state, because the relatively poor paper of gas permeability has certain elasticity, the relatively poor paper gas permeability is folding for a long time, fold and curling back, when with the paper tiling under this state on the objective table, the phenomenon of curling or perk appears easily, and then the information that influences the scanner on to the paper carries out normal clear scanning phenomenon.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the scanner which is mainly used for solving the problems that when the existing scanner scans some paper which is poor in air permeability and is folded and curled for a long time, the paper in the state is easy to curl or tilt when being flatly laid on an objective table, and the normal and clear scanning of the information on the paper by the scanner is influenced.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a scanner, which comprises an object stage, an upright post and a scanning camera; the object stage is provided with an upright post, and the upright post is provided with a scanning camera; an installation cavity is formed in the objective table, a lifting adsorption device is arranged in the installation cavity, and the lifting adsorption device is used for fixing scanned documents or paper; the lifting adsorption device comprises an electric telescopic rod, a lifting plate, a sucker, an air suction pipe, a vacuum pump and a connecting pipe; the electric telescopic rod is arranged on the bottom end wall of the mounting cavity, and a lifting plate is supported at the top end of the electric telescopic rod; the lifting plate is formed by sleeving a plurality of square plates, and a plurality of suckers are arranged on the upper surface of each square plate; a connecting cavity is formed in the square plate, and an air suction pipe is arranged in the connecting cavity; the air suction pipe is communicated with the sucker through an air guide pipe; the vacuum pump is communicated with the air suction pipe through a telescopic air pipe and is arranged in the center of the installation cavity; the air suction pipes arranged in the square plates are communicated through connecting pipes; when the device works, an operator lays paper with poor air permeability to be scanned on an objective table, the control panel of a scanner controls the starting of a vacuum pump, so that the vacuum pump pumps out gas in an air suction pipe through a telescopic air pipe, further pumps out gas in a sucker connected with an air guide pipe, and the connection part of the sucker and the paper forms a vacuum state along with continuous pumping of the vacuum pump, so that folded or curled paper can be fixed through the adsorption of the sucker, and the fixed paper scans and transmits information on the paper through a scanning camera; through the matching of the arranged lifting adsorption device, the sucker and the lifting plate, curled or folded paper can be fixed through the adsorption force of the sucker, so that the phenomenon that the paper is tilted or curled when being tiled on the objective table is prevented, and the clear and rapid scanning effect of the scanner on information on the paper is further influenced; because of the lifter plate that sets up has the square board of polylith to cup joint the formation, and then operating personnel is according to the size of waiting to scan the paper, through controller control electric telescopic handle's flexible, and then can go up and down certain height with the direction board, the sucking disc that sets up simultaneously can be fixed small-size paper, and then goes up and down fixed operation to the paper of variation in size, is convenient for to the fixed scanning of small-size paper.

Preferably, a rubber layer is arranged in the sucker, and the rubber layer is provided with an air suction hole; a rubber column is arranged on one side of the air suction hole, and a fur column is arranged on the other side of the air suction hole; soft burrs are arranged on the fur column and the rubber column; when the vacuum pump works, when air in the sucker is pumped out by the vacuum pump, the arranged rubber layer can be sunken into the sucker under the action of adsorption force, meanwhile, the air between the rubber layer and the paper can be pumped out through the air suction hole, and when the air is pumped out through the air suction hole, the rubber column and the fur column arranged at the air suction hole can generate friction, so that the rubber column and the fur column after friction have certain static electricity, the generated static electricity increases the adsorption force of the sucker to the paper, and the adsorption capacity of the sucker to the paper is improved; meanwhile, the generated static electricity can adsorb dust collected on the sucker or paper through the soft burrs, and then the paper or the sucker is subjected to adsorption dust removal operation.

Preferably, the bottom end of the rubber layer is provided with an elastic air guide plate, a dust suction cavity is formed in the elastic air guide plate, and the upper wall of the dust suction cavity is provided with a dust suction groove; the bottom end wall of the rubber layer is provided with a dust blocking column, and the dust blocking column is positioned above the dust suction groove; when the vacuum pump works, when the vacuum pump pumps out air in the sucker, the arranged elastic air guide plate plays a role in buffering, and the phenomenon that the air suction force of the vacuum pump is too large to cause damage under the action of adsorption force is prevented; meanwhile, dust adsorbed on the soft burrs can enter the elastic air guide plate through the air suction holes, and then can be adsorbed into the dust collection cavity for collection through the dust collection grooves formed in the elastic air guide plate, so that the phenomenon that the dust sucked through the air suction holes enters the suction cup is avoided; the dirt post that hinders that sets up simultaneously, after the sucking disc is lost heart, the gas that enters into in the sucking disc can upwards jack-up the elasticity air guide plate, and then hinders the dirt post and can plug up the dust absorption groove, prevents that the phenomenon of revealing from appearing in the dust that enters into the dust absorption intracavity.

Preferably, the square plates are hermetically connected through corrugated plates, and extrusion cavities are formed in the corrugated plates; the connecting pipe is of an elastic corrugated structure and is positioned in the extrusion cavity; an extrusion sealing column is arranged on the inner wall of the extrusion cavity and is positioned at the outer wall of the connecting pipe; when the electric telescopic rod works, the arranged corrugated plate can seal the joint of the square plate and the square plate, so that when the electric telescopic rod pushes one square plate to ascend, a gap is generated between the square plate and the square plate, and the sealing effect of the objective table is further influenced; meanwhile, the connecting pipe with the elastic corrugated structure is arranged, so that the air suction pipe and the air suction pipe are connected and have an air guide effect when the square plate is lifted; when one of them square board rose, buckled plate and connecting pipe all can be stretched, and then the extrusion sealing post that extrusion intracavity wall set up can extrude the connecting pipe sealed, and then the vacuum pump of being convenient for carries out the suction operation to the sucking disc after rising, and then has reduced the operating time of vacuum pump, has improved the fixed efficiency to small-size paper simultaneously.

Preferably, the upper end wall of the corrugated plate is provided with dust collection holes, and the dust collection holes are positioned in wave troughs of the corrugated plate; the rubber brush strips are arranged in the dust absorption holes, and the outer walls of the rubber brush strips are rough layers; the during operation, when the buckled plate was stretched, the rubber brush strip that the dust absorption was downthehole to be set up can produce the friction each other, and then makes the downthehole certain static that produces of dust absorption, and then can adsorb the dust of gathering on the buckled plate outer wall through the dust absorption hole and collect the operation, and the dust that prevents the gathering on the buckled plate is too much, and then influences the normal work of the inside electrical apparatus of objective table.

Preferably, a conductive dust suction rod is arranged in a wave trough on the outer wall of the connecting pipe, and the top end of the conductive dust suction rod is positioned at the dust suction hole; when the corrugated plate is stretched, the connecting pipe can be synchronously stretched along with the corrugated plate, and then the conductive dust absorption rod arranged in the wave trough can stretch into the dust absorption hole to be contacted with the electrostatic rubber brush strip, so that the conductive dust absorption rod is provided with a part of electric charges, and dust in the dust absorption hole is absorbed; when the corrugated plate and the connecting pipe are recovered, the conductive dust absorption rod is separated from the dust absorption hole, and then dust in the dust absorption hole is absorbed and collected.

The invention has the following beneficial effects:

1. through the matching of the lifting adsorption device, the sucker and the lifting plate, curled or folded paper can be fixed through the adsorption force of the sucker, and the phenomenon that the paper is tilted or curled when being laid on the objective table is prevented, so that the clear and rapid scanning effect of the scanner on information on the paper is influenced.

2. The lifting plate is formed by sleeving the square plates, so that an operator can control the electric telescopic rod to stretch and retract through the controller according to the size of paper to be scanned, the direction plate can be lifted to a certain height, and meanwhile, the small paper can be fixed through the arranged sucker, so that the lifting and fixing operation can be performed on the paper with different sizes, and the fixed scanning of the small paper is facilitated.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of the chuck of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;

in the figure: objective table 1, installation cavity 11, upright column 2, scanning camera 3, lifting adsorption device 4, electric telescopic rod 41, lifting plate 42, square plate 421, connection cavity 422, sucking disc 43, air suction pipe 44, vacuum pump 45, connecting pipe 46, rubber layer 47, air suction hole 471, rubber column 472, fur column 473, soft burr 474, elastic air guide plate 5, dust suction cavity 51, dust blocking column 52, corrugated plate 6, extrusion cavity 61, extrusion sealing column 62, dust suction hole 63, rubber brush strip 64 and conductive dust suction rod 7.

Detailed Description

A scanner according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, 2 and 3, the scanner of the present invention includes an object stage 1, a column 2 and a scanning camera 3; an upright post 2 is arranged on the objective table 1, and a scanning camera 3 is arranged on the upright post 2; an installation cavity 11 is formed in the objective table 1, a lifting adsorption device 4 is arranged in the installation cavity 11, and the lifting adsorption device 4 is used for fixing scanned documents or paper; the lifting adsorption device 4 comprises an electric telescopic rod 41, a lifting plate 42, a suction cup 43, an air suction pipe 44, a vacuum pump 45 and a connecting pipe 46; the electric telescopic rod 41 is arranged on the bottom end wall of the installation cavity 11, and a lifting plate 42 is supported at the top end of the electric telescopic rod 41; the lifting plate 42 is formed by sleeving a plurality of square plates 421, and a plurality of suckers 43 are arranged on the upper surface of each square plate 421; a connecting cavity 422 is formed in the square plate 421, and an air suction pipe 44 is arranged in the connecting cavity 422; the air suction pipe 44 is communicated with the suction cup 43 through an air guide pipe; the vacuum pump 45 is communicated with the air suction pipe 44 through a telescopic air pipe, and the vacuum pump 45 is arranged at the center of the installation cavity 11; the air suction pipes 44 arranged in the square plates 421 are communicated through a connecting pipe 46; when the scanning device works, an operator flatly lays paper with poor air permeability to be scanned on the objective table 1, the control panel of the scanner controls the starting of the vacuum pump 45, so that the vacuum pump 45 pumps out gas in the air suction pipe 44 through the telescopic air pipe, further pumps out gas in the suction disc 43 connected with the air guide pipe, and along with the continuous pumping of the vacuum pump 45, the joint of the suction disc 43 and the paper is in a vacuum state, further, the folded or curled paper can be fixed through the adsorption of the suction disc 43, and the fixed paper scans and transmits information on the paper through the scanning camera 3; through the matching of the arranged lifting adsorption device 4, the sucker 43 and the lifting plate 42, curled or folded paper can be fixed through the adsorption force of the sucker 43, so that the phenomenon that the paper is tilted or curled when being tiled on the objective table 1 is prevented, and the clear and quick scanning effect of the scanner on the information on the paper is further influenced; because of the lifter plate 42 that sets up has the square board 421 of polylith to cup joint and forms, and then operating personnel is according to the size of waiting to scan the paper, through the flexible of controller control electric telescopic handle 41, and then can go up and down certain height with the direction board, the sucking disc 43 that sets up simultaneously can be fixed small-size paper, and then goes up and down fixed operation to the paper of variation in size, is convenient for to the fixed scanning of small-size paper.

As shown in fig. 2 and 3, a rubber layer 47 is disposed in the suction cup 43, and the rubber layer 47 is provided with a suction hole 471; a rubber column 472 is arranged on one side of the air suction hole 471, and a fur column 473 is arranged on the other side of the air suction hole 471; the fur column 473 and the rubber column 472 are provided with soft burrs 474; when the vacuum pump 45 pumps air out of the sucker 43, the arranged rubber layer 47 can be sunken into the sucker 43 under the action of adsorption force, meanwhile, air between the rubber layer 47 and paper can be pumped out through the air suction holes 471, when the air is pumped out through the air suction holes 471, the rubber columns 472 and the fur columns 473 which are arranged at the air suction holes can generate friction, and then the rubber columns 472 and the fur columns 473 which are subjected to friction have certain static electricity, so that the generated static electricity increases the adsorption force of the sucker 43 to the paper, and further the adsorption capacity of the sucker 43 to the paper is improved; the static electricity generated at the same time can adsorb dust collected on the suction cup 43 or the paper by the soft burr 474, and further perform an adsorption dust removal operation on the paper or the suction cup 43.

As shown in fig. 2 and 3, the bottom end of the rubber layer 47 is provided with an elastic air guide plate 5, a dust suction cavity 51 is formed in the elastic air guide plate 5, and a dust suction groove is formed in the upper wall of the dust suction cavity 51; the bottom end wall of the rubber layer 47 is provided with a dust blocking column 52, and the dust blocking column 52 is positioned above the dust suction groove; when the vacuum pump 45 pumps air out of the sucker 43 during work, the arranged elastic air guide plate 5 plays a role in buffering, and the phenomenon that the air suction force of the vacuum pump 45 is too large to cause damage under the action of adsorption force is prevented; meanwhile, dust adsorbed on the soft burrs 474 can enter the elastic air guide plate 5 through the air suction holes 471, and then can be adsorbed into the dust suction cavity 51 for collection through the dust suction grooves formed in the elastic air guide plate 5, so that the phenomenon that the dust sucked through the air suction holes 471 enters the suction disc 43 is prevented; the dust blocking column 52 is arranged simultaneously, after the sucking disc 43 is deflated, the gas entering the sucking disc 43 can jack up the elastic gas guide plate 5 upwards, and then the dust blocking column 52 can block the dust suction groove, so that the phenomenon of leakage of dust entering the dust suction cavity 51 is avoided.

As shown in fig. 2 and 4, the square plates 421 are hermetically connected by corrugated plates 6, and extrusion cavities 61 are formed inside the corrugated plates 6; the connecting pipe 46 is arranged in an elastic corrugated structure, and the connecting pipe 46 is positioned in the extrusion cavity 61; the inner wall of the extrusion cavity 61 is provided with an extrusion sealing column 62, and the extrusion sealing column 62 is positioned on the outer wall of the connecting pipe 46; when the electric telescopic rod works, the arranged corrugated plate 6 can seal the joint of the square plate 421 and the square plate 421, so that when the electric telescopic rod 41 pushes one of the square plates 421 to ascend, a gap is formed between the square plates 421 and the square plates 421, and the sealing effect of the objective table 1 is further influenced; meanwhile, the connecting pipe 46 with the elastic corrugated structure is arranged to facilitate the connection and air guide effect of the air suction pipe 44 and the air suction pipe 44 when the square plate 421 is lifted; when one of them square board 421 rose, buckled plate 6 and connecting pipe 46 all can be stretched, and then the extrusion sealing post 62 that extrusion chamber 61 inner wall set up can carry out extrusion sealing to connecting pipe 46, and then the vacuum pump 45 of being convenient for carries out the suction operation to the sucking disc 43 after rising, and then has reduced vacuum pump 45's operating time, has improved the fixed efficiency to small-size paper simultaneously.

As shown in fig. 4, dust suction holes 63 are formed in the upper end wall of the corrugated plate 6, and the dust suction holes 63 are located in the wave troughs of the corrugated plate 6; a rubber brush strip 64 is arranged in the dust collection hole 63, and the outer wall of the rubber brush strip 64 is provided with a rough layer; the during operation, when buckled plate 6 is stretched, the rubber brush strip 64 that sets up in the dust absorption hole 63 can produce the friction each other, and then produces certain static in making the dust absorption hole 63, and then can adsorb the dust of gathering on the 6 outer walls of buckled plate through dust absorption hole 63 and collect the operation, and the dust of gathering on preventing buckled plate 6 is too much, and then influences the normal work of the inside electrical apparatus of objective table 1.

As shown in fig. 4, the conductive dust suction rod 7 is arranged in the valley of the outer wall of the connecting pipe 46, and the top end of the conductive dust suction rod 7 is located at the dust suction hole 63; when the dust collector works, when the corrugated plate 6 is stretched, the connecting pipe 46 can be synchronously stretched along with the corrugated plate 6, and then the conductive dust collection rod 7 arranged in the wave trough can extend into the dust collection hole 63 to be contacted with the electrostatic rubber brush strip 64, so that the conductive dust collection rod 7 is partially charged, and dust in the dust collection hole 63 is adsorbed; when the corrugated plate 6 and the connecting pipe 46 are restored, the conductive dust suction rod 7 is separated from the dust suction hole 63, and the dust in the dust suction hole 63 is adsorbed and collected.

The specific working process is as follows:

the during operation, the relatively poor paper tiling of gas permeability that operating personnel will treat the scanning is placed on objective table 1, control panel through the scanner controls the start-up of vacuum pump 45, and then make vacuum pump 45 take out the gas in breathing pipe 44 through flexible trachea, and then take out the gas in the sucking disc 43 that the air duct is connected, along with the continuous bleed of vacuum pump 45, and then form vacuum state with the junction of sucking disc 43 and paper, and then the absorption through sucking disc 43 can be fixed fold or curled paper, the paper after the fixing is through scanning camera 3 information on the paper and is scanned the transmission.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A scanner, characterized by: comprises an object stage (1), an upright post (2) and a scanning camera (3); an upright post (2) is arranged on the objective table (1), and a scanning camera (3) is arranged on the upright post (2); an installation cavity (11) is formed in the objective table (1), a lifting adsorption device (4) is arranged in the installation cavity (11), and the lifting adsorption device (4) is used for fixing scanned documents or paper; the lifting adsorption device (4) comprises an electric telescopic rod (41), a lifting plate (42), a sucking disc (43), an air suction pipe (44), a vacuum pump (45) and a connecting pipe (46); the electric telescopic rod (41) is arranged on the bottom end wall of the mounting cavity (11), and a lifting plate (42) is supported at the top end of the electric telescopic rod (41); the lifting plate (42) is formed by sleeving a plurality of square plates (421), and a plurality of suckers (43) are arranged on the upper surface of each square plate (421); a connecting cavity (422) is formed in the square plate (421), and an air suction pipe (44) is arranged in the connecting cavity (422); the air suction pipe (44) is communicated with the sucker (43) through an air guide pipe; the vacuum pump (45) is communicated with the air suction pipe (44) through a telescopic air pipe, and the vacuum pump (45) is arranged at the center of the installation cavity (11); the air suction pipes (44) arranged in the square plates (421) are communicated through connecting pipes (46).

2. A scanner according to claim 1, wherein: a rubber layer (47) is arranged in the sucker (43), and the rubber layer (47) is provided with a suction hole (471); a rubber column (472) is arranged on one side of the air suction hole (471), and a fur column (473) is arranged on the other side of the air suction hole (471); the fur column (473) and the rubber column (472) are provided with soft burrs (474).

3. A scanner according to claim 2, wherein: the bottom end of the rubber layer (47) is provided with an elastic air guide plate (5), a dust suction cavity (51) is formed in the elastic air guide plate (5), and the upper wall of the dust suction cavity (51) is provided with a dust suction groove; the bottom end wall of the rubber layer (47) is provided with a dust blocking column (52), and the dust blocking column (52) is positioned above the dust suction groove.

4. A scanner according to claim 1, wherein: the square plates (421) are connected in a sealing way through corrugated plates (6), and extrusion cavities (61) are formed in the corrugated plates (6); the connecting pipe (46) is arranged to be of an elastic corrugated structure, and the connecting pipe (46) is located in the extrusion cavity (61); the inner wall of the extrusion cavity (61) is provided with an extrusion sealing column (62), and the extrusion sealing column (62) is positioned on the outer wall of the connecting pipe (46).

5. A scanner according to claim 4, wherein: dust collection holes (63) are formed in the upper end wall of the corrugated plate (6), and the dust collection holes (63) are located in wave troughs of the corrugated plate (6); rubber brush strips (64) are arranged in the dust collection holes (63), and the outer walls of the rubber brush strips (64) are rough layers.

6. A scanner according to claim 5, wherein: the conductive dust absorption rod (7) is arranged in the wave trough of the outer wall of the connecting pipe (46), and the top end of the conductive dust absorption rod (7) is positioned at the dust absorption hole (63).