Nozzle guide structure of convertible scanning type printer
By combining the guide rod with the sliding block, the lead screw with the threaded block, and designing the rotating column, positioning groove, and threaded groove, the accuracy and stability issues of the printhead guide structure when quickly switching scanning modes are solved, realizing the high-precision printing and scanning functions of the convertible scanning printer.
Patent Information
- Application Number
- CN202520828244.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-28
AI Technical Summary
The printhead guide structure of existing convertible scanners suffers from insufficient accuracy and inflexible switching when quickly switching scanning modes, making it impossible to achieve precise control over both printing and scanning functions, resulting in poor practicality.
By employing a sliding connection between a guide rod and a sliding block, and a threaded transmission between a lead screw and a threaded block, combined with positioning grooves and threaded grooves on the rotating column and the fixed plate, precise position and speed control of the printhead assembly is achieved. Furthermore, the use of positioning plates and positioning bolts ensures stable installation of the printhead assembly within the printer.
It enables rapid switching of printhead components and diverse working modes, improves the precise control of printing and scanning functions, ensures the stability and accuracy of the printhead during the printing process, and reduces printing errors.
Smart Images

Figure CN223904749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printer technical field, concretely is a kind of nozzle guide structure of convertible scanning formula printer. BACKGROUND
[0002] Printer is one of important output devices of computer, and it has been widely applied in office, family, industry and many other fields, from early needle printer, to later ink-jet printer, laser printer etc., technology is continuously developed, function is also increasingly powerful, with the diversification of printing demand of each industry, convertible scanning formula printer arises at the historic moment, it is combined printing and scanning function, can better satisfy the use demand of user in different scenarios, in convertible scanning formula printer, nozzle guide structure is crucial, nozzle as the core component of printer, the precision of its movement directly influences printing quality.
[0003] In prior art, although normal printing can be realized, but it is not convenient to quickly switch scanning mode, so that mode is relatively single when using, and some guide structures in prior art when converting function, there can be problems such as insufficient precision, switching inflexibility, cannot well take into account the accurate control of nozzle movement of printing and scanning two functions, lead to its practicality is poor, not convenient for popularization and use. SUMMARY
[0004] The utility model provides a nozzle guide structure of convertible scanning formula printer, it can effectively solve the problem in prior art.
[0005] The technical scheme adopted by the utility model is: a nozzle guide structure of convertible scanning formula printer, including mounting plate and fixed frame, the outer surface of mounting plate is fixedly installed with multiple groups of mounting seat, the inner surface of a group of mounting seat is fixedly installed with guide rod, the outer surface of guide rod is provided with sliding block, the outer surface of another group of mounting seat is fixedly installed with guide motor, the output shaft of guide motor is fixedly installed with lead screw, the outer surface of lead screw is provided with threaded block, the outer surface of fixed frame is fixedly installed with rotating column, the side, away from fixed frame of rotating column, is rotatably installed with nozzle assembly, and the one end of fixed frame is fixedly installed with fixed plate two.
[0006] Preferably, the sliding block and guide rod are in sliding connection, the threaded block and lead screw are in threaded connection, and the sliding block and threaded block are fixedly installed with the fixed frame.
[0007] Through the above technical scheme, guide rod provides stable guide effect for sliding block, and the threaded transmission of lead screw and threaded block can accurately control the moving position and speed of nozzle assembly, so that the nozzle assembly can accurately perform printing operation at different positions during scanning printing of printer, and the printing quality and efficiency are improved.
[0008] Preferably, the guide rods and sliding blocks are provided in pairs, and the two guide rods and sliding blocks are symmetrically distributed about the center line of the nozzle assembly.
[0009] The symmetrically distributed guide rods and sliding blocks further enhance the stability and balance of the nozzle assembly movement, can better withstand the weight and inertial force of the nozzle assembly during movement, prevent the nozzle assembly from tilting or shaking during movement, ensure that the nozzle always maintains a horizontal and stable state during printing, thereby improving the printing precision and quality and reducing printing errors.
[0010] Preferably, the second outer surface of the fixed plate is provided with a through groove, a positioning groove and a threaded groove, and the positioning groove and the threaded groove are matched with the nozzle assembly.
[0011] Through the above technical scheme, when the nozzle assembly changes the working state, it can rotate around the rotating column, and then the second positioning plate is clamped into the positioning groove, and then locked through the threaded groove. The working state can be adjusted according to the actual situation to improve the diversity.
[0012] Preferably, the nozzle assembly comprises a mounting frame and a first fixed plate, and the outer surface of the mounting frame is fixedly provided with a top plate and an ink pump, the outer surface of the top plate is provided with an ink inlet, and the ink inlet is connected with the ink pump through a pipeline.
[0013] Through the above technical scheme, the ink inlet is convenient for connecting the external ink supply device, the ink pump can accurately control the delivery amount and pressure of the ink, and the nozzle body can obtain stable and appropriate ink, so as to ensure that the printed image or text is clear and high in quality. At the same time, the mounting frame and the top plate and other structures provide a stable installation basis for the ink pump and other components.
[0014] Preferably, one end of the ink pump is provided with a connecting pipe, the other end of the connecting pipe away from the ink pump is provided with a nozzle body fixedly installed in the inside of the mounting frame, and the ink pump, the connecting pipe and the nozzle body are one-to-one corresponding.
[0015] Through the above technical scheme, the one-to-one corresponding ink pump, connecting pipe and nozzle body design ensures that each nozzle body can independently and stably obtain ink supply, avoids uneven ink supply and blockage caused by sharing an ink pipeline, improves the working reliability of the nozzle assembly and the printing quality, and at the same time, the setting of the connecting pipe can flexibly adjust the installation position of the nozzle body, which is convenient for reasonable layout according to the overall structure of the printer.
[0016] Preferably, the mounting frame outer surface is fixedly provided with a positioning plate one, the positioning plate one surface is penetrated and threadedly connected with a positioning bolt one, the fixed plate one outer surface is fixedly provided with a positioning plate two, and the positioning plate two surface is penetrated and threadedly connected with a positioning bolt two.
[0017] Through the technical scheme, the positioning plate one, the positioning bolt one, the positioning plate two and the positioning bolt two are arranged, so that the installation of the nozzle assembly in the printer is more flexible and firm, the installation position of the nozzle assembly can be accurately adjusted according to the specific structure and design requirements of the printer, then the nozzle assembly is fixed through the positioning bolt, so that the displacement of the nozzle assembly in the working process of the printer is avoided, and the printing accuracy and stability are ensured.
[0018] Compared with the prior art, the utility model provides a nozzle guide structure of convertible scanning type printer, has the following beneficial effects:
[0019] 1、the nozzle guide structure of convertible scanning type printer, through the positioning groove and the thread groove on the rotating column and the fixed plate two, the nozzle assembly can rotate around the rotating column and lock in the appropriate position quickly, realizes the quick switching of working state, greatly improves the diversity of working mode, can realize the quick switching scanning mode, avoids the mode is single;
[0020] 2、the nozzle guide structure of convertible scanning type printer, the sliding fit of guide rod and sliding block and the thread transmission of screw rod and screw block can accurately control the moving position and speed of nozzle assembly, when converting function, the high accuracy of nozzle movement is ensured, and the accurate control of nozzle movement for printing and scanning two functions is well balanced;
[0021] 3、the nozzle guide structure of convertible scanning type printer, the positioning plate one, the positioning bolt one, the positioning plate two and the positioning bolt two are arranged, so that the installation of the nozzle assembly in the printer is flexible and firm, the accurate installation adjustment can be carried out according to the different structure and design requirements of the printer, so that the displacement of the nozzle assembly in the working process is avoided, and the printing accuracy and stability are ensured. DRAWINGS
[0022] Figure 1 It is the three-dimensional structure schematic of the utility model Figure 1 ;
[0023] Figure 2 It is the three-dimensional structure schematic of the utility model Figure 2 ;
[0024] Figure 3 It is the sliding block and fixed frame mounting structure schematic of the utility model;
[0025] Figure 4 It is the thread block and fixed frame structure schematic of the utility model;
[0026] Figure 5 This is a schematic diagram showing the disassembled structure of the fixing frame and nozzle assembly of this utility model;
[0027] Figure 6 This is a schematic diagram of the second state structure of this utility model;
[0028] Figure 7 This is a schematic diagram of the exploded structure of the nozzle assembly of this utility model.
[0029] The components are as follows: 1. Mounting plate; 2. Mounting base; 3. Guide rod; 4. Sliding block; 5. Guide motor; 6. Lead screw; 7. Threaded block; 8. Fixing frame; 9. Rotating column; 10. Printhead assembly; 1001. Mounting frame; 1002. Top plate; 1003. Ink inlet; 1004. Ink pump; 1005. Connecting pipe; 1006. Printhead body; 1007. Positioning plate one; 1008. Positioning bolt one; 1009. Fixing plate one; 1010. Positioning plate two; 1011. Positioning bolt two; 11. Fixing plate two; 12. Through groove; 13. Positioning groove; 14. Threaded groove. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Example 1: As Figures 1-7 As shown, the present invention provides a printhead guide structure for a convertible scanning printer, including a mounting plate 1 and a fixing frame 8. Multiple sets of mounting seats 2 are fixedly mounted on the outer surface of the mounting plate 1. A guide rod 3 is fixedly mounted on the inner surface of one set of mounting seats 2, and a sliding block 4 is provided on the outer surface of the guide rod 3. A guide motor 5 is fixedly mounted on the outer surface of another set of mounting seats 2. A lead screw 6 is fixedly mounted on the output shaft of the guide motor 5, and a threaded block 7 is provided on the outer surface of the lead screw 6. A rotating column 9 is fixedly mounted on the outer surface of the fixing frame 8. A printhead assembly 10 is rotatably mounted on the side of the rotating column 9 away from the fixing frame 8. A fixing plate 11 is fixedly mounted on one end of the fixing frame 8.
[0032] Specifically, the sliding block 4 is in sliding connection with the guide rod 3, the threaded block 7 is in threaded connection with the lead screw 6, and the sliding block 4 and the threaded block 7 are both fixedly installed with the fixing frame 8, which has the advantages that the guide rod 3 provides stable guiding action for the sliding block 4, and the threaded transmission of the lead screw 6 and the threaded block 7 can accurately control the moving position and speed of the nozzle assembly 10, so that the nozzle assembly 10 can accurately perform printing operation at different positions in the scanning printing process of the printer, and the printing quality and efficiency are improved.
[0033] Specifically, the guide rod 3 and the sliding block 4 are both provided with two, and the two guide rods 3 and the sliding blocks 4 are symmetrically distributed about the center line of the nozzle assembly 10, which has the advantages that the symmetrically distributed guide rods 3 and sliding blocks 4 further enhance the stability and balance of the movement of the nozzle assembly 10, can better withstand the weight and inertial force of the nozzle assembly 10 during movement, prevent the nozzle assembly 10 from tilting or shaking during movement, and ensure that the nozzle always maintains a horizontal and stable state during printing, thereby improving the printing precision and quality and reducing printing errors.
[0034] Specifically, the outer surface of the fixed plate two 11 is provided with a through groove 12, a positioning groove 13 and a threaded groove 14, and the positioning groove 13 and the threaded groove 14 are both matched with the nozzle assembly 10, which has the advantages that when the working state of the nozzle assembly 10 is changed, it can be rotated around the rotating column 9, and then the positioning plate two 1010 is clamped into the positioning groove 13, and then locked through the threaded groove 14, so that the working state can be adjusted according to actual conditions, and the diversity is improved.
[0035] Embodiment two: as shown in the following table, which is an improvement on the previous embodiment. Figures 2-7
[0036] Specifically, the nozzle assembly 10 comprises a mounting frame 1001 and a fixed plate one 1009, the outer surface of the mounting frame 1001 is fixedly installed with a top plate 1002 and an ink pump 1004, the outer surface of the top plate 1002 is provided with an ink inlet 1003, and the ink inlet 1003 is connected with the ink pump 1004 through a pipeline, which has the advantages that the ink inlet 1003 is convenient for connecting external ink supply device, the ink pump 1004 can accurately control the delivery amount and pressure of ink, so that the nozzle body 1006 can obtain stable and appropriate ink, thereby ensuring that the printed image or text is clear and high in quality, and at the same time, the mounting frame 1001 and the top plate 1002 and other structures provide a stable installation basis for the ink pump 1004 and other components.
[0037] Specifically, one end of the ink supply pump 1004 is provided with a connecting pipe 1005, the other end of the connecting pipe 1005 away from the ink supply pump 1004 is provided with a nozzle body 1006 fixedly installed in the mounting rack 1001, the ink supply pump 1004, the connecting pipe 1005 and the nozzle body 1006 are one-to-one correspondence, the advantages are that the one-to-one correspondence of the ink supply pump 1004, the connecting pipe 1005 and the nozzle body 1006 design ensures that each nozzle body 1006 can independently and stably obtain ink supply, avoids uneven ink supply and blockage caused by sharing ink supply pipeline, improves the working reliability and printing quality of the nozzle assembly 10, and meanwhile, the setting of the connecting pipe 1005 can flexibly adjust the installation position of the nozzle body 1006, facilitating reasonable layout according to the overall structure of the printer.
[0038] Specifically, the mounting rack 1001 is fixedly installed with a positioning plate one 1007 on the outer surface, the positioning plate one 1007 is threadedly connected with a positioning bolt one 1008 penetrating through the surface, a fixed plate one 1009 is fixedly installed with a positioning plate two 1010 on the outer surface, and the positioning plate two 1010 is threadedly connected with a positioning bolt two 1011 penetrating through the surface, the advantages are that the setting of the positioning plate one 1007, the positioning bolt one 1008, the positioning plate two 1010 and the positioning bolt two 1011 makes the installation of the nozzle assembly 10 in the printer more flexible and firm, the installation position of the nozzle assembly 10 can be accurately adjusted according to the specific structure and design requirements of the printer, and then fixed by the positioning bolt, so that the nozzle assembly 10 will not displace in the working process of the printer, ensuring the accuracy and stability of printing.
[0039] Working principle: in use, the guide motor 5 starts, and its output shaft drives the screw rod 6 to rotate. Since the threaded block 7 is threadedly connected with the screw rod 6, and the threaded block 7 is fixedly installed with the fixed frame 8, the threaded block 7 will move along the direction of the screw rod 6 with the rotation of the screw rod 6. At the same time, the sliding block 4 is slidingly connected with the guide rod 3, and the sliding block 4 is also fixedly installed with the fixed frame 8, the guide rod 3 provides a guide for the sliding block 4, so that the fixed frame 8 and the nozzle assembly 10 installed on the fixed frame 8 can smoothly translate along the direction of the guide rod 3, realizing the position adjustment of the nozzle assembly 10 in the horizontal direction to meet the printing needs of different positions in the scanning printing process. When it is necessary to change the working state of the nozzle assembly 10, the nozzle assembly 10 can rotate around the rotating column 9. After rotating to the appropriate position, the positioning plate two 1010 on the nozzle assembly 10 can be clamped into the positioning groove 13 on the outer surface of the fixed plate two 11, and then locked by using screws or other connecting members through the threaded groove 14, so as to fix the nozzle assembly 10 at a new angle position to adapt to different working modes. The external ink supply device is connected with the ink delivery pump 1004 through the ink inlet 1003, the ink enters from the ink inlet 1003, and the ink delivery pump 1004 is started to accurately control the delivery amount and pressure of the ink, and the ink is delivered to the nozzle body 1006 installed in the inside of the mounting frame 1001 through the connecting pipe 1005. Since the ink delivery pump 1004, the connecting pipe 1005 and the nozzle body 1006 are one-to-one corresponding, each nozzle body 1006 can independently and stably obtain ink supply, ensuring that the nozzle can normally spray ink for printing. When the nozzle assembly 10 is installed in the printer, the positioning plate one 1007 and the positioning pin one 1008 on the outer surface of the mounting frame 1001, and the positioning plate two 1010 and the positioning pin two 1011 on the outer surface of the fixed plate one 1009 can accurately adjust the installation position of the nozzle assembly 10 according to the specific structure and design requirements of the printer, and then the positioning pin is screwed, so that the nozzle assembly 10 is firmly fixed in the printer, ensuring that the nozzle assembly 10 will not displace during the working process of the printer.
[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A printhead guide structure for a switchable scanning printer comprising a mounting plate (1) and a holder (8), characterized in that: The outer surface of mounting plate (1) is fixedly installed with multiple groups of mounting seat (2), the inner surface of one group of mounting seat (2) is fixedly installed with guide rod (3), the outer surface of guide rod (3) is provided with sliding block (4), the outer surface of another group of mounting seat (2) is fixedly installed with guide motor (5), the output shaft of guide motor (5) is fixedly installed with lead screw (6), the outer surface of lead screw (6) is provided with threaded block (7), the outer surface of fixed frame (8) is fixedly installed with rotating column (9), the side, away from fixed frame (8), of rotating column (9) is rotatably installed with nozzle assembly (10), one end of fixed frame (8) is fixedly installed with fixed plate two (11).
2. A printhead guide structure for a swappable scanning printer as defined in claim 1, wherein: The sliding block (4) and the guide rod (3) are in sliding connection, the threaded block (7) and the lead screw (6) are in threaded connection, and the sliding block (4) and the threaded block (7) are both fixedly installed with the fixed frame (8).
3. A printhead guide structure for a swappable scanning printer as defined in claim 1, wherein: The guide rod (3) and the sliding block (4) are provided with two same ones, and the two guide rods (3) and the two sliding blocks (4) are symmetrically distributed about the center line of the nozzle assembly (10).
4. A printhead guide structure for a swappable scanning printer as defined in claim 1, wherein: The outer surface of fixed plate two (11) is provided with through groove (12), positioning groove (13) and threaded groove (14), and the positioning groove (13) and the threaded groove (14) are matched with the nozzle assembly (10).
5. A printhead guide structure for a swappable scanning printer as defined in claim 1, wherein: The nozzle assembly (10) comprises mounting frame (1001) and fixed plate one (1009), the outer surface of mounting frame (1001) is fixedly installed with top plate (1002) and ink conveying pump (1004), the outer surface of top plate (1002) is provided with ink inlet (1003), and the ink inlet (1003) is connected with the ink conveying pump (1004) through a pipeline.
6. A printhead guide structure for a swappable scanning printer as defined in claim 5, wherein: One end of the ink conveying pump (1004) is provided with connecting pipe (1005), the other end, away from the ink conveying pump (1004), of the connecting pipe (1005) is provided with nozzle body (1006) fixedly installed in the mounting frame (1001), and the ink conveying pump (1004), the connecting pipe (1005) and the nozzle body (1006) are in one-to-one correspondence.
7. A printhead guide structure for a swappable scanning printer as defined in claim 6, wherein: The outer surface of mounting frame (1001) is fixedly installed with positioning plate one (1007), the surface of positioning plate one (1007) is threadedly penetrated and connected with positioning bolt one (1008), the outer surface of fixed plate one (1009) is fixedly installed with positioning plate two (1010), and the surface of positioning plate two (1010) is threadedly penetrated and connected with positioning bolt two (1011).