Miniaturized scanning module and printer

Abstract

The invention discloses a miniaturized scanning module and a printer, and relates to the technical field of scanning equipment, the miniaturized scanning module comprises a deviation rectifying mechanism and a shading mechanism mounted on the deviation rectifying mechanism, the deviation rectifying mechanism comprises a conveying assembly and a shell, an upper cover is mounted on the shell, a scanner is mounted on the upper cover, and an inlet and an outlet are formed in the shell; a scanning table is fixedly installed in the shell, guide plates and installation blocks are symmetrically arranged on the scanning table, each installation block is provided with a row of sensors, the sensors are close to the direction of an inlet, each installation block is matched with a deviation rectifying plate, each deviation rectifying plate is fixedly connected with a toothed sliding frame, and the two toothed sliding frames move oppositely or oppositely. The toothed sliding frame is installed on the shell in a sliding mode. Through cooperation of the deviation rectifying mechanism and the shading mechanism, the inlet and the outlet are closed through the shading plate in a normal state, and the scanning quality is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of scanning equipment technology, and in particular to a miniaturized scanning module and printer. Background Technology

[0002] Traditional printing equipment typically only performs printing operations, while modern printing equipment has gradually become more multifunctional. Today's printers can not only print, but also scan, copy, and fax, meeting diverse user needs. With the development of semiconductor technology, printers have become increasingly smaller and more versatile in their applications. However, existing printer scanning modules often have excessively large scanning tables that cannot perform skew correction, leading to paper misalignment and affecting scan quality.

[0003] Chinese invention patent CN116216033A discloses a synchronous scanning and conveying label receiving module and a corresponding printer, which performs efficient operation through automation and scanning modules; however, this device cannot be used with a printer and is too bulky; therefore, this invention provides a miniaturized scanning module and printer, which, through the cooperation of a correction mechanism and a light-shielding mechanism, closes the inlet and outlet under normal conditions through a light-shielding plate to ensure scanning quality. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing a miniaturized scanning module and printer, thus overcoming the problems in the prior art.

[0005] The technical solution adopted in this invention is as follows: a miniaturized scanning module and printer, including a correction mechanism and a light-shielding mechanism installed on the correction mechanism. The correction mechanism includes a conveying component and a housing. A top cover is installed on the housing, and a scanner is installed on the top cover. The housing has an inlet and an outlet. A scanning stage is fixedly installed inside the housing. Guide plates and mounting blocks are symmetrically arranged on the scanning stage. Each mounting block is provided with a row of sensors, with the sensors close to the inlet direction. Each mounting block cooperates with a correction plate, and each correction plate is fixedly connected to a toothed sliding frame. Two toothed sliding frames move relative to or away from each other and are slidably mounted on the housing. Two sets of transmission components move relative to or away from each other, with one set slidably mounted on the top cover and the other set slidably mounted on the housing.

[0006] Furthermore, the transmission assembly includes two sliding plates, with a first transmission roller and a second transmission roller rotatably mounted between the two sliding plates. The second transmission roller is connected to the first transmission roller via a belt, and a correction gear is coaxially fixedly mounted at both ends of the second transmission roller and the first transmission roller.

[0007] Furthermore, each sliding plate is rotatably connected to the first end of two connecting rods, and the second end of the connecting rods is rotatably mounted on the toothed sliding frame.

[0008] Furthermore, the toothed structures on both toothed sliding frames mesh with mating gears, which are rotatably mounted on the housing.

[0009] Furthermore, one of the toothed sliding frames is threadedly engaged with a bidirectional lead screw, which is connected to the output shaft of motor one, and the other toothed sliding frame is slidably connected to a sliding rod, which is mounted on the housing.

[0010] Furthermore, the sliding plate in one of the transmission components is connected to the upper cover via an upper spring, and the sliding plate in the other transmission component is connected to the housing via a lower spring.

[0011] Furthermore, the number of sensors in each column is no less than three.

[0012] Furthermore, the two sets of transmission components are arranged symmetrically, and the correction gears in the two sets of transmission components are normally in a meshed state.

[0013] Furthermore, the correction gear and the linkage gear in the transmission assembly that are slidably mounted on the housing are coaxially and fixedly connected. The linkage gear is engaged with the toothed structure on the toothed light shield. The toothed light shield is slidably mounted on the upper cover and is connected to the upper cover by a light shielding spring.

[0014] The beneficial effects of this invention compared with the prior art are: (1) In this invention, two toothed sliding frames move relative to each other. The toothed sliding frames move towards the sensor, causing the connecting rod to swing. The connecting rod pushes two sets of transmission components to move in opposite directions, so that the transmission rollers in the two transmission components separate and no longer press the paper. At the same time, the toothed sliding frames moving towards the sensor drive the correction plate to move. The two correction plates move relative to each other and contact the skewed paper, pushing the paper to move for correction. (2) The paper enters from the inlet on the housing. The two ends of the paper are attached to the guide plate. At this time, the paper will completely cover the scanner during the movement. Sensors on both sides of the drawing table; if the paper is skewed, some sensors will not be covered, and the values ​​will change. This will be fed back to the correction mechanism. At this time, the scanner will not scan, the second motor will stop operating, and the correction mechanism will start the first motor to perform correction. (3) Under normal conditions, the toothed light shield blocks the entrance and exit of the housing. The second motor drives the correction gear and the linkage gear to rotate. The linkage gear meshes with the toothed structure on the toothed light shield, causing the toothed light shield to slide towards the top cover, compressing the light shielding spring. The toothed light shield moves up, exposing the entrance and exit. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 This is a schematic diagram of a partial structure of the correction mechanism of the present invention. Figure 1 .

[0017] Figure 3 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0018] Figure 4 This is a schematic diagram of a partial structure of the correction mechanism of the present invention. Figure 2 .

[0019] Figure 5 This is a schematic diagram of a partial structure of the correction mechanism of the present invention. Figure 3 .

[0020] Figure 6 This is a schematic diagram of a partial structure of the correction mechanism of the present invention. Figure 4 .

[0021] Figure 7 This is a schematic diagram of a partial structure of the correction mechanism and the light-shielding mechanism of the present invention. Figure 1 .

[0022] Figure 8 This is a schematic diagram of a partial structure of the correction mechanism and the light-shielding mechanism of the present invention. Figure 2 .

[0023] Reference numerals: 1-Correction mechanism; 2-Light-shielding mechanism; 101-Housing; 102-Upper cover; 103-Scanner; 104-Upper spring; 105-Sliding plate; 106-Transmission roller one; 107-Transmission roller two; 108-Scanning stage; 109-Correction gear; 110-Belt; 111-Lower spring; 112-Double-actuated screw; 113-Connecting rod; 114-Motor one; 115-Toothed sliding frame; 116-Motor two; 117-Linkage gear; 118-Correction plate; 119-Guide plate; 120-Sensor; 121-Matching gear; 122-Mounting block; 123-Sliding rod; 201-Toothed light-shielding plate; 202-Light-shielding spring. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

[0025] Example: See below Figures 1-8The illustrated miniaturized scanning module and printer include a web-correcting mechanism 1 and a light-shielding mechanism 2 mounted on the web-correcting mechanism 1. The light-shielding mechanism 2 includes a toothed light-shielding plate 201 and a light-shielding spring 202. The web-correcting mechanism 1 includes a conveying assembly, a housing 101, a top cover 102, a scanner 103, an upper spring 104, a scanning stage 108, a lower spring 111, a bidirectional lead screw 112, a connecting rod 113, a first motor 114, a toothed sliding frame 115, a second motor 116, a linkage gear 117, a web-correcting plate 118, a guide plate 119, a sensor 120, a mating gear 121, a mounting block 122, and a sliding rod 123. The top cover 102 is mounted on the housing 101, and the scanner 103 is mounted on the top cover 102. The housing 101 has an inlet and an outlet. The housing 101 contains a scanning stage 108, which is positioned corresponding to the inlet and outlet. The scanning stage 108 is symmetrically equipped with guide plates 119 and mounting blocks 122. Each mounting block 122 has a row of sensors 120 positioned closer to the inlet. Each mounting block 122 is paired with a correction plate 118, which is positioned corresponding to the mounting block 122. Each correction plate 118 is fixedly connected to a toothed sliding frame 115. The two toothed sliding frames 115 move relative to or away from each other and are slidably mounted on the housing 101. Two sets of transmission components move relative to or away from each other, with one set slidably mounted on the upper cover 102 and the other set slidably mounted on the housing 101.

[0026] The transmission assembly includes a sliding plate 105, a first transmission roller 106, a second transmission roller 107, a correction gear 109, and a belt 110. There are two sliding plates 105, and the first transmission roller 106 and the second transmission roller 107 are rotatably mounted between the two sliding plates 105. The second transmission roller 107 is connected to the first transmission roller 106 via the belt 110. A correction gear 109 is coaxially fixed at both ends of the second transmission roller 107 and the first transmission roller 106.

[0027] Each sliding plate 105 is rotatably connected to the first end of two connecting rods 113, and the second end of the connecting rods 113 is rotatably mounted on the toothed sliding frame 115.

[0028] The toothed structures on the two toothed sliding frames 115 mesh with the mating gear 121, which is rotatably mounted on the housing 101.

[0029] One of the toothed sliding brackets 115 is threadedly engaged with a bidirectional lead screw 112, which is connected to the output shaft of a motor 114. The motor 114 is mounted on the housing 101. The other toothed sliding bracket 115 is slidably connected to a sliding rod 123, which is mounted on the housing 101.

[0030] In one transmission assembly, a sliding plate 105 is slidably mounted on the upper cover 102, and the sliding plate 105 in this transmission assembly is connected to the upper cover 102 via an upper spring 104; in another transmission assembly, a sliding plate 105 is slidably mounted on the housing 101, and the sliding plate 105 in this transmission assembly is connected to the housing 101 via a lower spring 111.

[0031] The number of sensors 120 in each column shall not be less than three, and the height of the sensors 120 on the mounting block 122 shall not be higher than the upper surface of the scanning stage 108.

[0032] The two sets of transmission components are arranged symmetrically, and the correction gears 109 in the two sets of transmission components are normally in a meshed state.

[0033] The correction gear 109 in the transmission assembly that is slidably mounted on the housing 101 is coaxially and fixedly connected to the linkage gear 117. One of the correction gears 109 is connected to the output shaft of the second motor 116. The second motor 116 is mounted on the sliding plate 105. The linkage gear 117 is engaged with the toothed structure on the toothed light shield 201. The toothed light shield 201 is slidably mounted on the upper cover 102. The toothed light shield 201 is connected to the upper cover 102 through the light shielding spring 202. Under normal conditions, the toothed light shield 201 blocks the entrance and exit of the housing 101.

[0034] The working principle of this invention is as follows: The starting motor 116 drives the correcting gear 109 and the linkage gear 117 to rotate. The linkage gear 117 meshes with the toothed structure on the toothed light-shielding plate 201, causing the toothed light-shielding plate 201 to slide towards the upper cover 102, compressing the light-shielding spring 202. The toothed light-shielding plate 201 moves upward, exposing the inlet and outlet. The correcting gear 109 in the transmission assembly connected to the lower spring 111 normally meshes with the correcting gear 109 in the transmission assembly above it, causing the correcting gears 109 in both transmission assemblies to move simultaneously. When the gear 109 rotates, it drives the first transmission roller 106 and the second transmission roller 107 to rotate. The first transmission roller 106 rotates synchronously with the second transmission roller 107 through the belt 110. Under normal conditions, the second transmission roller 107 in the two sets of transmission components remains in contact, and the first transmission roller 106 in the two sets of transmission components remains in contact. The materials of the second transmission roller 107 and the first transmission roller 106 are elastic. After the paper is fed into the housing 101 through the inlet, it falls onto the scanning table 108 and is transported into the housing 101 by the two transmission rollers 106 rotating in opposite directions.

[0035] The scanning table 108 is the table surface for scanning paper. The scanner 103 scans the paper on the scanning table 108. Under normal circumstances, the paper enters from the inlet on the housing 101, and both ends of the paper are in contact with the guide plate 119. At this time, the paper will completely cover the sensors 120 on both sides of the scanning table 108 during the movement. If the paper is skewed, some of the sensors 120 will not be covered, and the values ​​will change. This is fed back to the correction mechanism 1. At this time, the scanner 103 will not scan, the second motor 116 will stop operating, and the correction mechanism 1 will start the first motor 114 to perform correction.

[0036] Motor 114 starts, driving the bidirectional lead screw 112 to rotate, causing the toothed slide frame 115 to reciprocate once. The toothed slide frame 115 slides, causing the mating gear 121 to rotate, which in turn causes another toothed slide frame 115 to slide on the sliding rod 123, causing the two toothed slide frames 115 to move relative to each other. The toothed slide frame 115 moves towards the sensor 120, causing the connecting rod 113 to swing. The connecting rod 113 pushes the two sets of transmission components to move in opposite directions, causing the transmission rollers 106 in the two transmission components to separate and no longer press the paper; at the same time, it sends a signal to the sensor. The toothed sliding frame 115 of the device 120 moves in the direction of the movement, which drives the correction plate 118 to move. The two correction plates 118 move relative to each other and contact the skewed paper, pushing the paper to move and correct the deviation until the paper completely covers the sensors 120 on both sides. At this time, the correction plate 118 contacts the mounting block 122. Then the two toothed sliding frames 115 start to move in opposite directions and return to the initial position, driving the connecting rod 113 to swing. The two sets of transmission components are reset under the elastic force of the upper spring 104 and the lower spring 111, respectively. The deviation correction ends and the scanning and printing work continues.

[0037] After the work is completed, motor 116 reverses, which drives the linkage gear 117 to reverse and drive the toothed light shield 201 to move down, blocking the inlet and outlet again.

[0038] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of the present invention.

Claims

1. A miniaturized scanning module and printer, comprising a web-correcting mechanism (1) and a light-shielding mechanism (2) mounted on the web-correcting mechanism (1), characterized in that: The correction mechanism (1) includes a conveying assembly and a housing (101). A top cover (102) is mounted on the housing (101), and a scanner (103) is mounted on the top cover (102). The housing (101) has an inlet and an outlet. A scanning table (108) is fixedly installed inside the housing (101). Guide plates (119) and mounting blocks (122) are symmetrically arranged on the scanning table (108). Each mounting block (122) is equipped with a row of sensors (120). The sensor (120) is located near the entrance. Each mounting block (122) is engaged with a correction plate (118). Each correction plate (118) is fixedly connected to a toothed sliding frame (115). The two toothed sliding frames (115) move relative to each other or in opposite directions. The toothed sliding frames (115) are slidably mounted on the housing (101). Two sets of transmission components move relative to each other or in opposite directions. One set is slidably mounted on the top cover (102), and the other set is slidably mounted on the housing (101).

2. The miniaturized scanning module and printer according to claim 1, characterized in that: The transmission assembly includes two sliding plates (105), and a first transmission roller (106) and a second transmission roller (107) are rotatably mounted between the two sliding plates (105). The second transmission roller (107) is connected to the first transmission roller (106) via a belt (110). A correction gear (109) is coaxially fixedly mounted at both ends of the second transmission roller (107) and the first transmission roller (106).

3. The miniaturized scanning module and printer according to claim 2, characterized in that: Each sliding plate (105) is rotatably connected to the first end of two connecting rods (113), and the second end of the connecting rods (113) is rotatably mounted on the toothed sliding frame (115).

4. A miniaturized scanning module and printer according to claim 3, characterized in that: The toothed structures on the two toothed sliding frames (115) mesh with the mating gear (121), which is rotatably mounted on the housing (101).

5. A miniaturized scanning module and printer according to claim 4, characterized in that: One of the toothed sliding brackets (115) is threadedly engaged with a two-way lead screw (112), which is connected to the output shaft of motor one (114). The other toothed sliding bracket (115) is slidably connected with a sliding rod (123), which is mounted on the housing (101).

6. A miniaturized scanning module and printer according to claim 5, characterized in that: In one transmission assembly, the sliding plate (105) is connected to the upper cover (102) via an upper spring (104), and in the other transmission assembly, the sliding plate (105) is connected to the housing (101) via a lower spring (111).

7. A miniaturized scanning module and printer according to claim 6, characterized in that: The number of sensors (120) in each column shall not be less than three.

8. A miniaturized scanning module and printer according to claim 7, characterized in that: The two sets of transmission components are arranged symmetrically, and the correction gears (109) in the two sets of transmission components are normally in a meshed state.

9. A miniaturized scanning module and printer according to claim 8, characterized in that: The correction gear (109) in the transmission assembly that is slidably mounted on the housing (101) is coaxially fixedly connected to the linkage gear (117). The linkage gear (117) is engaged with the toothed structure on the toothed light shield (201). The toothed light shield (201) is slidably mounted on the upper cover (102). The toothed light shield (201) is connected to the upper cover (102) through the light shielding spring (202).

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