CN218162554U - Flat plate type scanning device - Google Patents
Flat plate type scanning device Download PDFInfo
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- CN218162554U CN218162554U CN202221083186.8U CN202221083186U CN218162554U CN 218162554 U CN218162554 U CN 218162554U CN 202221083186 U CN202221083186 U CN 202221083186U CN 218162554 U CN218162554 U CN 218162554U
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- wheel
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Abstract
The utility model discloses a flat scanning device, including box, apron, light screen, glass board, motion guide arm, scanning subassembly, synchronous belt drive mechanism, spring pinch roller and belt briquetting. The utility model discloses a synchronous belt drive mechanism drives the scanning subassembly and makes linear reciprocating motion on the motion guide arm, and through setting up the elasticity of the driven hold-in range that spring pinch roller self-adaptation was adjusted on the belt drive mechanism, the messenger moves more steadily with driven hold-in range fixed connection's scanning subassembly. Meanwhile, the sizes of the files can be judged by combining detection results of the photoelectric sensors at different positions, so that the flat scanning equipment can be suitable for scanning files with different formats.
Description
Technical Field
The utility model belongs to scanner equipment field, concretely relates to flat scanning equipment.
Background
A scanner is a device that converts graphic or image information into digital signals in a scanning manner by using a photoelectric technology and a digital processing technology. Scanners are commonly used in computer peripheral devices to capture images and convert them into digital input devices that can be displayed, edited, stored, and output by a computer. The scanner can take photos, text pages, drawings, art pictures, photographic negatives and film films as scanning objects, even can take three-dimensional objects such as textiles, sign panels, printed board samples and the like as scanning objects, and extracts and converts original lines, graphs, characters, photos and planar real objects into editable electronic files.
Based on the limitation of the existing office conditions, the scanning and translating process of the entity paper document into the electronic file still has a lot of defects, for example, after a scanner using a transmission mechanism is used for a long time, the motion stability of a scanning component can be deteriorated, so that the scanning cannot be stable and uniform, most of flat-panel scanners can only scan paper pieces with fixed breadth, and the scanning cannot be performed or cannot be performed completely when the breadth is large.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a flat scanning device for solve the not good problem of scanning subassembly motion stationarity of scanner.
The technical scheme of the utility model is realized like this:
the utility model discloses a flat plate type scanning device, which comprises a box body, a cover plate, a glass plate, a motion guide rod, a scanning component, a synchronous belt transmission mechanism, a spring pinch roller and a belt press block;
the cover plate is hinged with one side of the box body, the surface of the box body is provided with a scanning platform, the cover plate is matched with the scanning platform, and the scanning platform is provided with a scanning window;
the glass plate is fixedly arranged on a scanning window of the scanning platform;
the motion guide rods are fixedly arranged in the box body, and at least two motion guide rods are arranged in parallel;
two ends of the scanning assembly are arranged on the motion guide rod in a sliding mode along the direction parallel to the motion guide rod;
the synchronous belt transmission mechanism is fixedly arranged in the box body and used for driving the synchronous belt to transmit, and one side of the synchronous belt is parallel to the motion guide rod;
the spring pinch roller abuts against a synchronous belt of the synchronous belt transmission mechanism and is used for adjusting the tightness of the synchronous belt;
and two ends of the belt pressing block are respectively fixedly connected with the scanning assembly and a synchronous belt on the synchronous belt transmission mechanism.
On the basis of the technical scheme, preferably, the synchronous belt transmission mechanism comprises a driving synchronous wheel, a first driven synchronous wheel, a second driven synchronous wheel, a third driven synchronous wheel, a driving synchronous belt and a driven synchronous belt;
the driving synchronous belt is sleeved on the driving synchronous wheel and the first driven synchronous wheel;
the driven synchronous belt is sleeved on the first driven synchronous wheel, the second driven synchronous wheel and the third driven synchronous wheel, and one side of the driven synchronous belt is parallel to the motion guide rod.
On the basis of the technical scheme, preferably, the spring pressing wheel comprises a pressing wheel fixing plate, a pair of pressing wheel fixing shafts, a tensioning pressing wheel and a pair of springs;
the pinch roller fixing plate is fixed on the inner wall of the box body, a pair of through holes are formed in two ends of the tensioning pinch roller, and one ends of a pair of pinch roller fixing shafts respectively penetrate through the through holes in the tensioning pinch roller and are fixedly connected with the pinch roller fixing plate; a pair of springs are respectively sleeved on the pair of pinch roller fixing shafts, and two ends of each spring are respectively fixedly connected with the pinch roller fixing plate and the tensioning pinch roller;
the tensioning pinch roller is abutted against the driven synchronous belt.
On the basis of the above technical solution, preferably, the device further includes a scale, and the scale is fixedly arranged on the edge of the scanning window on the scanning platform.
On the basis of the above technical solution, preferably, the apparatus further comprises a light shielding plate, which is arranged inside the cover plate and hinged with the box body.
On the basis of the above technical solution, preferably, the apparatus further includes a plurality of paper detection sensors arranged inside the box body along a direction parallel to the movement guide rod.
On the basis of the above technical solution, preferably, the apparatus further includes a plurality of photoelectric sensors arranged inside the box body along a direction parallel to the movement guide rod.
On the basis of the technical scheme, preferably, the equipment further comprises a motor, and a rotating shaft of the motor is coaxially and fixedly arranged with the driving synchronous wheel.
On the basis of the above technical solution, preferably, the device further includes a key board disposed on the scanning platform.
On the basis of the above technical solution, preferably, the device further includes a switch button, a DC interface, a UDE interface, and a USB interface, which are respectively disposed on the side surface of the box body.
The utility model has the advantages that:
1) The tightness of a driven synchronous belt on the belt transmission mechanism can be adjusted in a self-adaptive manner by arranging the spring pressing wheel, so that a scanning assembly fixedly connected with the driven synchronous belt runs more stably; by arranging two parallel motion guide rods as the double-track moving mechanism, the problem that the scanning assembly is easy to shift in the long-distance scanning motion process is solved, and the scanning stability of the scanning assembly is further ensured;
2) A plurality of photoelectric sensors are arranged in the direction parallel to the moving guide rail, and the size of the paper can be judged through the combination of the photoelectric sensors at different positions, so that the flat-plate scanning equipment can be suitable for scanning files with different formats.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a flat scanning device according to the present invention;
FIG. 2 is a top sectional view of the inside of the case of the present invention;
fig. 3 is a schematic diagram of the connection relationship between the synchronous belt transmission mechanism, the spring pinch roller and the belt press block.
Fig. 4 is a perspective view of the spring pressing 8 according to the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
The utility model discloses to the single problem of size of the not good, scannable paper of current flatbed scanner scanning stationarity, proposed a new flat scanning equipment, this flat scanning equipment scan the file of stable, scannable different breadths, small in size, convenient to use.
Referring to fig. 1-2, fig. 1 is a perspective view of a flat-plate scanning device according to the present invention, fig. 2 is a top sectional view of the interior of a case 1. The flat-plate scanning device comprises a box body 1, a cover plate 2, a glass plate 3, a scale 4, a motion guide rod 5, a scanning assembly 6, a synchronous belt transmission mechanism 7, a spring pressing wheel 8, a belt pressing block 9, a light shielding plate 10, a plurality of paper detection sensors 11, a plurality of photoelectric sensors 12, a motor 13, a key board 14, a switch button 15, a DC interface 16, a UDE interface 17 and a USB interface 18.
The box body 1 is integrally a cuboid, the surface of the box body 1 is provided with a scanning platform 101, and a scanning window is arranged on the scanning platform 101 and is rectangular.
The cover plate 2 is hinged to one side of the box body 1 through a hinge sheet 201, and the cover plate 2 is matched with the scanning platform 101.
And the glass plate 3 is fixedly arranged on the scanning window of the scanning platform 101 and is used for placing a file to be scanned.
The scales 4 are fixedly arranged at the edge of the scanning window on the scanning platform 101 and are positioned on the glass plate 3, as shown in fig. 1, 3 scales 4 can be arranged and respectively distributed on three sides of the scanning window for aligning the document to be scanned.
And the at least two motion guide rods 5 are arranged in parallel and used for providing motion guide for the scanning assembly 6, so that the scanning assembly 6 can do linear reciprocating motion along the motion guide rods 5. Specifically, the scanning assembly may be coupled to the motion guide via a linear bearing.
The utility model discloses a set up the motion guide arm of two parallels and say moving mechanism as the double track, can solve the problem that produces the skew easily among the scanning subassembly long distance scanning motion process, further guarantee the stationarity that the scanning subassembly transported.
And the two ends of the scanning component 6 are respectively arranged on the motion guide rod 5 in a sliding way along the direction parallel to the motion guide rod 5. The scanning component in the scanning component 6 is a CIS, and integrates a light emitting source and a scanning photosensitive element, and is used for emitting a light source, irradiating the light source on a file to be scanned, collecting reflected light, and converting an optical signal into an electric signal. The scanning assembly 6 scans the document to be scanned on the glass plate while performing linear reciprocating motion on the moving guide rod 5.
Synchronous belt drive mechanism 7, fixed setting is inside box 1 for drive synchronous belt drive, just one side and the motion guide arm 5 of hold-in range are parallel.
Referring to fig. 3, fig. 3 is a schematic diagram of a connection relationship between the synchronous belt transmission mechanism 7, the spring pinch roller 8, and the belt press block 9.
The synchronous belt transmission mechanism 7 comprises a driving synchronous pulley 701, a first driven synchronous pulley 702, a second driven synchronous pulley 703, a third driven synchronous pulley 704, a driving synchronous belt 705 and a driven synchronous belt (706).
The driving synchronous belt 705 is sleeved on the driving synchronous wheel 701 and the first driven synchronous wheel 702.
The driven synchronous belt 706 is sleeved on the first driven synchronous wheel 702, the second driven synchronous wheel 703 and the third driven synchronous wheel 704, and one side of the driven synchronous belt 706 is parallel to the motion guide rod 5.
And the spring pinch roller 8 is abutted against the synchronous belt of the synchronous belt transmission mechanism 7 and is used for adjusting the tightness of the synchronous belt.
Referring to fig. 4, fig. 4 is a perspective view of the spring pinch roller 8.
The spring pinch roller 8 comprises a pinch roller fixing plate 81, a pair of pinch roller fixing shafts 82, a tensioning pinch roller 83 and a pair of springs 84.
The pinch roller fixing plate 81 is fixed on the inner wall of the box body 1, through holes are respectively formed in two ends of the tensioning pinch roller 83, and one end of the pinch roller fixing shaft 82 penetrates through the through holes in the tensioning pinch roller 83 and is fixedly connected with the pinch roller fixing plate 81; a pair of springs 84 are respectively sleeved on the pair of pinch roller fixing shafts 82, and two ends of each spring 84 are respectively fixedly connected with the pinch roller fixing plate 81 and the tensioning pinch roller 83; the tension pinch roller 83 is abutted against the driven synchronous belt 706. When the driven synchronous belt 706 is too loose or too tight, the elasticity of the driven synchronous belt 706 can be self-adaptively adjusted by utilizing the elastic force of the spring, so that the motion stability of the scanning assembly 6 is prevented from being influenced by the loosening of the driven synchronous belt 706.
The utility model discloses a but set up the elasticity of the driven hold-in range on the self-adaptation regulation belt drive mechanism of spring pinch roller, make the scanning subassembly with driven hold-in range fixed connection move more steadily.
And two ends of the belt pressing block 9 are respectively fixedly connected with the scanning assembly 6 and the synchronous belt on the synchronous belt transmission mechanism 7. The synchronous belt transmission mechanism 7 drives the scanning component 6 to do linear reciprocating motion on the motion guide rod 5 through a belt pressing block 9.
The light screen 10 is articulated through hinge leaf 201 with box 1, and pivot between apron 2 and the box 1, the pivot coaxial setting between light screen 10 and the box 1 promptly. The shutter plate 10 is used to cover other light sources when the scanning assembly 6 is in operation.
The paper detecting sensors 11 are arranged inside the box body 1 along a direction parallel to the moving guide rod 5 and used for detecting whether a file to be scanned is placed on the glass plate 3 or not, and if the file to be scanned is not placed, the paper shortage is prompted.
And a plurality of photoelectric sensors 12 arranged inside the case 1 in a direction parallel to the movement guide 5. Photoelectric sensors 12 can be reasonably arranged at different positions in the direction parallel to the movement guide rod 5, the size of the scanned manuscript can be judged by detecting the state combination of all the photoelectric sensors 12, for example, the photoelectric sensors 12 can be respectively arranged at the corresponding positions of the A3, A4, A5, B4 and B5 breadth, the sizes of the A3, A4, A5, B4 and B5 breadths can be detected, so that the size of the manuscript to be scanned is judged, the breadth is confirmed before scanning, and the misoperation is prevented.
The motor 13, the pivot of motor and the coaxial fixed setting of driving synchronizing wheel for drive driving synchronizing wheel 701, driving synchronizing wheel 701 drives driving hold-in range 705, the motion of first driven synchronizing wheel 702, and first driven synchronizing wheel 702 drives second driven synchronizing wheel 703, third driven synchronizing wheel 704 and driven hold-in range 706 again and moves, and driven hold-in range 706 carries out reciprocating motion along being on a parallel with motion guide rod 5 direction.
And the keypad 14 is arranged on the scanning platform 101 and used for providing file scanning related options or settings and display.
The switch button 15, the DC interface 16, the UDE interface 17 and the USB interface 18 are respectively arranged on the side surface of the box body 1. The DC interface 16 is used for power supply, and the UDE interface 17 and the USB interface 18 are used for data transmission or connection of an external computer device.
The box body 1 is also internally provided with basic components such as a circuit board and the like which are electrically connected with the motor 13, the key board 14, the switch button 15, the DC interface 16, the UDE interface 17, the USB interface 18 and the like, and the parts can adopt the prior art in the field and are not described in detail.
The utility model discloses a theory of operation does:
the switch button 15 of the flat-panel scanning device is opened, the cover plate 2 and the shading plate 10 are opened, the file to be scanned is placed in the scanning platform 101 and aligned through the scale 4, the shading plate 10 is covered, and the file is started after the required format or function is selected through the key-press plate 14. The motor 13 drives the driving synchronous belt 705 and the driven synchronous belt 706 to move, and then drives the scanning assembly 6 to make linear reciprocating motion on the motion guide rod 5, the scanning assembly 6 makes linear reciprocating motion and emits light to irradiate a document to be scanned, reflected light is collected by a photosensitive element of a scanner in the scanning assembly 6, and the reflected light is converted into an electric signal from an optical signal and then is converted into a digital signal to be transmitted to a computer. Before scanning, the sizes of the to-be-scanned documents can be detected through photoelectric sensors arranged at different positions, the motion stroke of the scanning assembly is determined through web confirmation, the motion stroke of the scanning assembly 6 determines the scanning web, and finally the to-be-scanned documents are completely scanned. The flat-bed scanning device can be suitable for scanning different breadth documents.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flat-plate scanning device comprises a box body (1) and a cover plate (2), and is characterized in that: the device also comprises a glass plate (3), a motion guide rod (5), a scanning assembly (6), a synchronous belt transmission mechanism (7), a spring pressing wheel (8) and a belt pressing block (9);
the surface of the box body (1) is provided with a scanning platform (101), and a scanning window is formed in the scanning platform (101);
the cover plate (2) is hinged with one side of the box body (1), and the cover plate (2) is matched with the scanning platform (101);
the glass plate (3) is fixedly arranged on a scanning window of the scanning platform (101);
the motion guide rods (5) are fixedly arranged in the box body (1), and at least two motion guide rods (5) are arranged in parallel;
two ends of the scanning component (6) are arranged on the motion guide rod (5) in a sliding way along the direction parallel to the motion guide rod (5);
the synchronous belt transmission mechanism (7) is fixedly arranged in the box body (1) and used for driving a synchronous belt to transmit, and one side of the synchronous belt is parallel to the motion guide rod (5);
the spring pressing wheel (8) is abutted against a synchronous belt of the synchronous belt transmission mechanism (7) and is used for self-adaptively adjusting the tightness of the synchronous belt;
and two ends of the belt pressing block (9) are respectively and fixedly connected with the scanning assembly (6) and a synchronous belt on the synchronous belt transmission mechanism (7).
2. The flat bed scanning device of claim 1, wherein:
the synchronous belt transmission mechanism (7) comprises a driving synchronous wheel (701), a first driven synchronous wheel (702), a second driven synchronous wheel (703), a third driven synchronous wheel (704), a driving synchronous belt (705) and a driven synchronous belt (706);
the driving synchronous belt (705) is sleeved on the driving synchronous wheel (701) and the first driven synchronous wheel (702);
the driven synchronous belt (706) is sleeved on the first driven synchronous wheel (702), the second driven synchronous wheel (703) and the third driven synchronous wheel (704), and one side of the driven synchronous belt (706) is parallel to the motion guide rod (5).
3. The flat bed scanning device according to claim 2, wherein:
the spring pressing wheel (8) comprises a pressing wheel fixing plate (81), a pair of pressing wheel fixing shafts (82), a tensioning pressing wheel (83) and a pair of springs (84);
the pinch roller fixing plate (81) is fixed on the inner wall of the box body (1), through holes are formed in two ends of the tensioning pinch roller (83) respectively, and one end of the pinch roller fixing shaft (82) penetrates through the through holes in the tensioning pinch roller (83) respectively and is fixedly connected with the pinch roller fixing plate (81); a pair of springs (84) are respectively sleeved on the pair of pinch roller fixing shafts (82), and two ends of each spring (84) are respectively fixedly connected with the pinch roller fixing plate (81) and the tensioning pinch roller (83);
the tension pinch roller (83) is abutted against the driven synchronous belt (706).
4. The flat panel scanning device according to claim 1, wherein:
the device further comprises a scale (4), wherein the scale (4) is fixedly arranged on the edge of the scanning window on the scanning platform (101).
5. The flat bed scanning device of claim 1, wherein:
the equipment also comprises a shading plate (10) which is arranged on the inner side of the cover plate (2) and is hinged with the box body (1).
6. The flat panel scanning device according to claim 1, wherein:
the device also comprises a plurality of paper detection sensors (11) which are arranged inside the box body (1) along a direction parallel to the movement guide rod (5).
7. The flat bed scanning device of claim 1, wherein:
the device also comprises a plurality of photoelectric sensors (12) which are arranged inside the box body (1) along the direction parallel to the motion guide rod (5).
8. The flat bed scanning device according to claim 2, wherein:
the equipment also comprises a motor (13), and a rotating shaft of the motor (13) is coaxially and fixedly connected with the driving synchronizing wheel (701).
9. The flat bed scanning device of claim 1, wherein:
the device further comprises a keypad (14) arranged on the scanning platform (101).
10. The flat panel scanning device according to claim 1, wherein:
the device also comprises a switch button (15), a DC interface (16), a UDE interface (17) and a USB interface (18), which are respectively arranged on the side surface of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221083186.8U CN218162554U (en) | 2022-05-07 | 2022-05-07 | Flat plate type scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221083186.8U CN218162554U (en) | 2022-05-07 | 2022-05-07 | Flat plate type scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218162554U true CN218162554U (en) | 2022-12-27 |
Family
ID=84573343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221083186.8U Active CN218162554U (en) | 2022-05-07 | 2022-05-07 | Flat plate type scanning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218162554U (en) |
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2022
- 2022-05-07 CN CN202221083186.8U patent/CN218162554U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230427 Address after: Room 110D, 1st Floor, Building 5 (Building 1), No. 2266 Sun Road, High Speed Rail New City, Xiangcheng District, Suzhou City, Jiangsu Province, 215133 Patentee after: Suzhou Rongtu Technology Co.,Ltd. Address before: 430000 d-507, chuangxinghui Science Park, No. 8, Maodian West Road, East Lake New Technology Development Zone, Wuhan City, Hubei Province (Wuhan area of the free trade zone) Patentee before: Wuhan Yuantu Information Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |