Multi-nozzle bidirectional synchronous ink scraping device
By using a multi-head bidirectional synchronous scraping device, which employs a synchronous drive mechanism and a waste ink receiving tank design, the problem of low scraping efficiency and incomplete scraping in inkjet printers is solved, achieving a highly efficient and thorough scraping effect and ensuring print quality.
Patent Information
- Application Number
- CN202422899992.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing inkjet printers rely on the print carriage for their scraping mechanism, resulting in low scraping efficiency and incomplete scraping, leading to residual ink condensation that affects print quality.
It adopts a multi-head bidirectional synchronous scraping device, which drives the scraper to move back and forth through a synchronous drive mechanism. The scraper scrapes the ink by moving itself. Combined with the design of waste ink receiving tank and guide slope, it ensures that the ink is discharged in time.
It improves the efficiency and thoroughness of ink scraping, avoids residual ink condensation, and ensures smooth printhead operation and print quality.
Smart Images

Figure CN223456667U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a printer field especially relates to a kind of two-way synchronous ink scraping device of multiple spray heads. BACKGROUND
[0002] The print head of ink-jet printer is its core component, installed on printing trolley, it is responsible for the accurate ejection of ink to paper, forms image or character. Ink stack is located at the end of printer, when printer completes printing work, print head will move to ink stack and stay, so that it can prevent the exposure of spray head in air to cause ink dry and nozzle blockage, ink stack usually has moisturizing function, can keep the wet state of spray head, usually install ink scraping mechanism on the side of ink stack, remove the excess ink of print head nozzle by ink scraping mechanism, to ensure printing quality and the unobstructed of spray head.
[0003] When ink stack is cleaned, printing trolley moves to ink stack position, ink stack is lifted, cleaning pump works to form negative pressure, ink is extracted to flush nozzle, after flushing, ink stack is lowered, the wiper blade of ink scraping mechanism is lifted, and the residual ink of spray head is scraped off, then printing trolley is reset, and cleaning is completed;The current ink scraping mechanism is driven by printing trolley to move print head to ink scraping mechanism for ink scraping, printing trolley has more accessories, heavy in weight, and limited in moving speed, which leads to low ink scraping efficiency, and there is the phenomenon that ink scraping is not thorough, residual ink condensation exists on print head, which affects subsequent printing effect, and needs to be improved. UTILITARIAN CONTENT
[0004] In order to solve the above problems, the utility model provides a kind of two-way synchronous ink scraping device of multiple spray heads.
[0005] The technical scheme of the utility model is: a kind of two-way synchronous ink scraping device of multiple spray heads, including the square frame support of longitudinal plate and horizontal plate, the upper surface of longitudinal plate is equipped with guide rail, two guide rails are arranged in parallel with each other, and multiple spray head scraping plate assembly is installed between two guide rails, the scraping plate assembly includes moving support and the equal-interval installation of several scraping plates on the upper surface of moving support, the scraping plate is fixedly connected with moving support by clamping plate seat, the scraping plate is arranged obliquely, the end surface of moving support is equipped with sliding block, and the sliding block of both ends is matched and connected on two guide rails, and synchronous driving mechanism connected with moving support is arranged in square frame support.
[0006] Preferably, the synchronous driving mechanism comprises driving pulleys and driven pulleys respectively arranged at both ends of the outer side of the longitudinal plate, the driving pulley comprises a gear body and a pulley body arranged coaxially, the size of the gear body is larger than that of the pulley body, the end of the longitudinal plate is provided with a corresponding speed reducer motor, the shaft of the speed reducer motor is connected with a driving gear engaged with the gear body, the speed reducer motor is arranged on the inner side of the longitudinal plate, the pulley body and the driven pulley are provided with a belt, the end of the moving support is connected with the belt through a clamping plate, the clamping plate comprises an L-shaped plate connected with the moving support and a lower plate body, the lower plate body and the L-shaped plate are fastened through bolts to realize clamping and fixing.
[0007] Preferably, the two driven pulleys are fixedly connected as a whole through a synchronous shaft, and the length of the synchronous shaft is the same as the spacing between the two longitudinal plates.
[0008] Preferably, the bottom surfaces of the two longitudinal plates are connected with a seat plate, the seat plate is fixedly connected with the longitudinal plates through a channel steel plate, the seat plate is provided with a waste ink receiving groove capable of covering the multi-nozzle scraping plate assembly, the size of the waste ink receiving groove is basically the same as that of the square frame support, one side of the groove bottom of the waste ink receiving groove is provided with a flow guide slope, and a waste ink discharge nozzle is arranged at the groove bottom of the waste ink receiving groove.
[0009] Preferably, the waste ink receiving groove is provided with a stable plate invertedly arranged at the groove bottom, the stable plate comprises a main plate body and support plate bodies vertically connected at both sides of the main plate body, and the surface of the stable plate is provided with a plurality of through holes at equal intervals.
[0010] Preferably, the upper end of the side plate of the waste ink receiving groove is vertically provided with a holding flange.
[0011] Preferably, the upper surface of the moving support is provided with a square flow guide groove covering the scraping plate, a plurality of waste ink discharge holes are uniformly arranged in the square flow guide groove, and the waste ink discharge holes are opposite to the waste ink receiving groove below.
[0012] The device can drive the scraping plate to reciprocate through the synchronous driving mechanism, and the scraping plate can scrape ink by moving itself, the scraping method has the characteristics of high scraping rate of the scraping plate, can effectively improve the scraping efficiency, the control of the scraping plate itself on the scraping is relatively strong, the residual ink is scraped more completely, the phenomenon of residual ink condensation on the print head is avoided, and the printing effect of the print head is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;
[0014] Figure 2 is Figure 1 a partial enlarged view of
[0015] Figure 3is a top view structure schematic diagram of the utility model;
[0016] Figure 4 is Figure 3 A-A cross section structure schematic diagram of the utility model;
[0017] Figure 5 is the three-dimensional structure schematic diagram of the multi-jet scraper assembly;
[0018] Figure 6 is the three-dimensional structure schematic diagram of the utility model after removing the multi-jet scraper assembly.
[0019] In the figure, 11. longitudinal plate, 12. transverse plate, 13. guide rail, 14. sliding block, 15. moving support, 151. diversion groove, 152. ink discharge hole, 16. scraper, 21. driving wheel, 211. gear body, 212. pulley body, 22. driven pulley, 23. speed reducer motor, 231. driving gear, 24. belt, 25. clamping plate, 26. synchronous shaft, 3. waste ink receiving groove, 31. diversion slope, 32. ink discharge nozzle, 33. stabilizing plate, 331. through long hole, 4. seat plate. DETAILED DESCRIPTION
[0020] Example one, refer to the attached Figures 1-6 A multi-jet bidirectional synchronous ink scraping device, comprising a square frame composed of longitudinal plate 11 and transverse plate 12, the upper surface of longitudinal plate is provided with guide rail 13, a multi-jet scraper assembly is installed between the two guide rails, the multi-jet scraper assembly can move on the end surface of the square frame along guide rail 13, the scraper assembly comprises moving support 15 and a plurality of scrapers 16 installed at equal intervals on the upper surface of moving support 15, the scrapers are all made of plastic material, which reduces the wear of the print head and avoids damaging the print head, the end surface of moving support 15 is provided with sliding block 14, the sliding blocks at both ends are matched and connected on the two guide rails 13, and moving support 15 moves between the two guide rails 13 through sliding block 14.
[0021] In the frame support is provided with a synchronous drive mechanism connected with the mobile support 15, the mechanism includes the longitudinal plate 11 outside both ends are provided with respectively installed driving wheel 21 and driven pulley 22, driving wheel 21 includes an integral coaxial gear body 211 and pulley body 212, the end of longitudinal plate 11 is provided with a corresponding reduction motor 23 of driving wheel 21, the shaft of the reduction motor is connected with the driving gear 231 engaged with the gear body 211, the size of the driving gear is smaller than the size of the gear body 211, which plays a role in speed reduction drive, pulley body 212 and driven pulley 22 are installed with belt 24, the end of mobile support 15 is connected with belt 24 through clamping plate 25, the two sides of driven pulley 22 are fixedly connected as a whole through synchronous shaft 26; the synchronous drive mechanism works, driving gear 231 drives driving wheel 21 to rotate, belt 24 rotates between pulley body 212 on driving wheel 21 and driven pulley 22, the two sides of belt 24 pull mobile support 15 to move reciprocatingly through clamping plate 25, realizing synchronous movement of several scrapers 16 for scraping ink, this kind of ink scraping structure is scraped by the movement of scraper 16 itself, this kind of scraping method has the characteristics of high scraping rate, which can effectively improve the scraping efficiency, and the movement of the scraper itself has strong control force for scraping, which can completely scrape the residual ink.
[0022] Embodiment two, see attached Figures 3-4 , 6, this embodiment is basically the same as embodiment one, the difference is that: the bottom surface of the two longitudinal plates 11 is connected with a seat plate 4, the seat plate is provided with a waste ink receiving groove 3 capable of covering the multi-nozzle scraper assembly, the side plate of the waste ink receiving groove is vertically provided with a holding flange at the upper end, one side of the groove bottom of the waste ink receiving groove 3 is provided with a flow guide slope 31, and the groove bottom of the waste ink receiving groove 3 is provided with an ink discharge nozzle 32, the flow guide slope 31 timely guides the ink falling into the waste ink receiving groove 3 into the ink discharge nozzle 32, avoiding the phenomenon that the ink is not discharged in time, leading to the solidification of the ink at the bottom of the receiving groove, avoiding affecting the capacity of the waste ink receiving groove 3, and unnecessary frequent cleaning of the receiving groove.
[0023] The waste ink receiving groove 3 is provided with a stabilizing plate 33 invertedly buckled at the groove bottom, the surface of the stabilizing plate 33 is provided with a plurality of through long holes 331 at equal intervals, the through long holes are used to ensure the normal flow of ink in the waste ink receiving groove 3, and the stabilizing plate 33 plays a role in stabilizing the shaking amount of ink in the waste ink receiving groove 3, and holds the holding flange during taking out the waste ink receiving groove 3 full of ink, so that the ink does not appear violent shaking phenomenon, avoiding the ink spilling on the ground, and improving the cleaning efficiency.
[0024] The upper surface of the mobile support 15 is provided with a flow guide groove 151 covering the scraper 16, a plurality of ink discharge holes 152 are uniformly provided in the flow guide groove 151, the ink scraped down by the scraper 16 enters the flow guide groove 151, and then flows into the waste ink receiving groove 3 below from the ink discharge holes 152.
Claims
1. A multi-nozzle bidirectional synchronous ink wiping device, characterized in that: The frame support comprises longitudinal plates and transverse plates, the upper surface of the longitudinal plate is provided with guide rails, a plurality of nozzle scraping plate assemblies are installed between the guide rails, the scraping plate assembly comprises a moving support and a plurality of scraping plates installed on the upper surface of the moving support at equal intervals, the end surface of the moving support is provided with a sliding block, and the sliding blocks at both ends are matched and connected to the guide rails.
2. A multi-jet bi-directional synchronous ink wiping device according to claim 1, characterized in that: The synchronous driving mechanism comprises driving wheels and driven pulleys installed at both ends of the outer side surface of the longitudinal plate, the driving wheel comprises a gear body and a pulley body arranged coaxially, the end of the longitudinal plate is provided with a corresponding reduction motor, the shaft of the reduction motor is connected with a driving gear engaged with the gear body, the pulley body and the driven pulley are installed with a belt, and the end of the moving support is connected with the belt through a clamping plate.
3. A multi-jet bi-directional synchronous ink wiping device according to claim 2, characterized in that: The driven pulleys at both sides are fixedly connected into one through a synchronous shaft.
4. A multi-jet bi-directional synchronous ink wiping device according to claim 1, characterized in that: The bottom surface of the two longitudinal plates is connected with a seat plate, the seat plate is provided with a waste ink receiving groove capable of covering the plurality of nozzle scraping plate assemblies, the groove bottom of the waste ink receiving groove is provided with a flow guide slope, and a waste ink outlet is arranged on the groove bottom of the waste ink receiving groove.
5. A multi-jet bi-directional synchronous ink wiping device according to claim 4, characterized in that: The waste ink receiving groove is provided with a stabilizing plate invertedly arranged on the groove bottom, and the surface of the stabilizing plate is provided with a plurality of through holes at equal intervals.
6. A multi-jet bi-directional synchronous ink wiping device according to claim 5, characterized in that: The upper end of the side plate of the waste ink receiving groove is vertically provided with a holding flange.
7. A multi-jet bi-directional synchronous ink wiping device as claimed in claim 1, wherein: The upper surface of the moving support is provided with a flow guide groove covering the scraping plate, and a plurality of waste ink outlets are uniformly arranged in the flow guide groove.