Alternating up and down blank daily porcelain inkjet machine

Abstract

The application provides an alternating up-down blank daily-use porcelain inkjet machine, and relates to the technical field of mechanical equipment. The machine comprises a scanning and printing assembly and an up-down material switching mechanism below the scanning and printing assembly. The scanning and printing assembly comprises a crossbeam moving mechanism, and a moving printing part is slidingly connected to the crossbeam moving mechanism. The moving printing part reciprocally moves along the length direction of the crossbeam moving mechanism, and is used for inkjet printing on the workpiece below. The up-down material switching mechanism comprises a first switching part and a second switching part. The first switching part and the second switching part are arranged side by side, and are used for alternately moving the workpiece to be printed into the printing area or moving the printed workpiece out of the printing area. The application has the beneficial effect that the up-down material action and the printing action are overlapped in time through the alternating cooperation of the first switching part and the second switching part, the idle time of the printing execution part caused by waiting for the up-down material in the traditional single-station serial mode is eliminated, and the equipment productivity is maximally released.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment technology, and in particular to an inkjet printer for daily-use ceramics with alternating loading and unloading of blanks. Background Technology

[0002] Surface decoration of daily-use ceramics is a crucial process that determines the product's appearance quality and added value. Currently, the preparation of surface colors and patterns for daily-use ceramics mainly employs screen printing and roller transfer processes, as well as manual decal application. Screen printing involves engraving patterns on a screen and then transferring them to the product surface via rollers; manual decal application involves operators manually pasting decal patterns onto the product. These traditional methods suffer from significant drawbacks, including high plate-making costs, long sampling cycles, poor decorative effects on uneven surfaces, and low production efficiency, making it difficult to meet the modern market's rapid response demands for personalized, small-batch, and high-precision decoration.

[0003] In recent years, digital inkjet printing technology has gained widespread attention in the field of daily-use ceramic decoration due to its advantages of not requiring plate making, high flexibility, and high precision. However, most digital inkjet printers currently used in this field still use a single-station serial loading and unloading method. That is, the workpieces to be printed enter the same station one by one, and the positioning, printing, and unloading are completed in sequence before the next workpiece is loaded. This sequential loading and unloading and printing actions in this operation mode result in the inkjet printhead being idle for a long time during each workpiece change, leading to low equipment utilization.

[0004] With the rapid growth in demand for personalized customization in the daily-use ceramics market, production orders are characterized by multiple batches, small quantities, and high frequency, requiring equipment to be able to complete frequent product switching and rapid alignment in a short period of time. However, the existing single-station serial structure lacks a rapid batch change and positioning mechanism, making it difficult to adapt to the needs of high-frequency flexible production.

[0005] Therefore, there is an urgent need for a digital inkjet printer for daily-use ceramics that can achieve parallel loading and unloading at multiple workstations and is equipped with a rapid batch change positioning device, in order to solve the problems of long idle time, cumbersome batch change positioning, and poor positioning consistency of existing equipment. Summary of the Invention

[0006] This invention overcomes the shortcomings of the prior art and provides an inkjet printer for daily-use ceramics with alternating loading and unloading. By alternating the cooperation of the first switching component and the second switching component, the loading and unloading actions and the printing action overlap in time, eliminating the idle time of the printing execution unit caused by waiting for loading and unloading in the traditional single-station serial mode.

[0007] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0008] An inkjet printer for alternating loading and unloading of daily-use ceramic blanks includes a scanning and printing assembly and a loading and unloading switching mechanism located below it.

[0009] The scanning and printing assembly includes a beam moving mechanism, and a movable printing component is slidably connected to the beam moving mechanism; the movable printing component reciprocates along the length of the beam moving mechanism to perform inkjet printing on the workpiece below.

[0010] The loading and unloading switching mechanism includes a first switching component and a second switching component; the first switching component and the second switching component are arranged side by side, and are used to alternately move the workpiece to be printed into the printing area or move the printed workpiece out of the printing area;

[0011] The first switching component includes two sets of parallel first slide rails, which are simultaneously slidably connected to the first switching placement platform.

[0012] The second switching component includes two sets of parallel second slide rails, which are simultaneously slidably connected to the second switching seat.

[0013] The two sets of second slide rails are located between the two sets of first slide rails;

[0014] The second switching seat is connected to the switching lifting power unit, the output end of the switching lifting power unit is connected to the switching lifting platform, and the switching lifting platform is connected to the second switching placement platform.

[0015] Furthermore, the second switching seat is connected to the switching lifting seat, the switching lifting seat is connected to the switching lifting slide rail, the switching lifting slide rail is slidably connected to the switching lifting slider; the switching lifting slider is connected to the switching lifting platform.

[0016] Furthermore, the second switching component includes a second drive shaft, one end of which is connected to a second motor, and the second drive shaft is connected to a second driving wheel. The second driving wheel is connected to a second driven wheel via a second drive belt.

[0017] The upper belt of the second drive belt is connected to the second connecting seat, and the second connecting seat is connected to the second switching seat.

[0018] Furthermore, the second slide rail is connected to one side of the second aluminum strip, the second slide rail is slidably connected to the second sliding seat, and a number of second clamping wheels are rotatably connected to one side of the second sliding seat. The number of second clamping wheels are divided into two groups, and the two groups of second clamping wheels are respectively tumblingly connected to the upper and lower sides of the second slide rail.

[0019] The second sliding seat is connected to the second switching seat.

[0020] Furthermore, the first switching component includes a first drive shaft, one end of which is connected to a first motor, and the first drive shaft is connected to a first driving wheel. The first driving wheel is connected to a first driven wheel via a first drive belt. The upper belt of the first drive belt is connected to a first connecting seat, and the first connecting seat is connected to a first switching seat. A first switching placement platform is disposed on the first switching seat.

[0021] Furthermore, the first slide rail is disposed on one side of the first square aluminum strip, and the first slide rail is slidably connected to the first sliding seat;

[0022] A plurality of first clamping wheels are rotatably connected to one side of the first sliding seat. The plurality of first clamping wheels are divided into two groups, and the two groups of first clamping wheels are respectively rotatably connected to the upper and lower sides of the first slide rail.

[0023] The first sliding seat is connected to the first switching seat.

[0024] Furthermore, the mobile printing component includes a printing protective frame, which includes side panels on both sides. An opening and closing door is rotatably connected to the upper end of the printing protective frame. An opening and closing door cover is provided on the outside of the opening and closing door. An opening and closing power unit is provided inside the printing protective frame, and the output end of the opening and closing power unit is connected to the opening and closing door.

[0025] Furthermore, a printing execution unit is provided inside the printing protective frame.

[0026] Furthermore, one side of the printing protective frame is connected to a printing lifting base;

[0027] The printing lifting base is connected to the printing lifting screw seat, which is threadedly connected to the printing lifting screw. The printing lifting screw is connected to the output end of the printing lifting motor.

[0028] Furthermore, the printing lifting motor is connected to the movable base, and a lifting slide rail is provided on one side of the movable base. A lifting slider is slidably connected to the lifting slide rail; the lifting slider is connected to the printing lifting base.

[0029] The other side of the movable base is connected to a transverse slider, which is slidably connected to the crossbeam moving mechanism.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] By alternating between the first and second switching components, the loading / unloading actions and the printing actions overlap in time, eliminating the idle time of the printing unit caused by waiting for loading / unloading in the traditional single-station serial mode. When the workpiece on the first switching platform is being printed, the operator or robot can simultaneously place the next workpiece to be printed on the second switching platform. After printing is completed, the two platforms move in and out alternately with almost no waiting interval, enabling the print head to work continuously and maximizing the release of equipment capacity. This is especially suitable for flexible production scenarios with multiple varieties, small batches, and high-frequency production changes. Attached Figure Description

[0032] The accompanying drawings are provided to further illustrate the invention and, together with the embodiments thereof, are used to explain the invention. They do not constitute a limitation thereof. In the drawings:

[0033] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention;

[0034] Figure 2 This is a schematic diagram of the overall structure of the loading and unloading switching mechanism according to an embodiment of the present invention;

[0035] Figure 3 This is a first exploded view of the loading / unloading switching mechanism according to an embodiment of the present invention;

[0036] Figure 4 This is a second exploded view of the loading / unloading switching mechanism according to an embodiment of the present invention;

[0037] Figure 5 This is an exploded view of the first switching component according to an embodiment of the present invention;

[0038] Figure 6 This is an exploded view of the second switching component according to an embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of the scanning and printing component structure according to an embodiment of the present invention;

[0040] Figure 8 This is an exploded view of the movable printing component according to an embodiment of the present invention.

[0041] In the diagram: 1. Scanning and printing assembly; 101. Crossbeam moving mechanism; 102. Moving printing component; 1021. Moving base; 10211. Horizontal sliding slider; 10212. Lifting slide rail; 10213. Lifting slider; 1022. Printing protective frame; 10221. Side guard plate; 10222. Opening and closing power unit; 10223. Opening and closing door; 10224. Opening and closing door cover; 1023. Printing lifting base; 102 4. Printer lifting motor; 10241. Printer lifting screw; 10242. Printer lifting lead screw seat; 1025. Printing actuator; 2. Loading / unloading switching mechanism; 201. Loading / unloading base; 202. First switching component; 2021. First drive shaft; 2022. First motor; 2023. First drive belt; 20231. First drive wheel; 20232. First driven wheel; 20233. First connecting seat; 2024. First square aluminum strip; 2025. First slide rail; 2026. First sliding seat; 20261. First clamping wheel; 2027. First switching seat; 2028. First switching placement table; 203. Second switching component; 2031. Second drive shaft; 2032. Second motor; 2033. Second square aluminum strip; 2034. Second drive belt; 20341. Second drive wheel; 20342. Second driven wheel 20343, Second connecting seat; 2035, Second slide rail; 2036, Second sliding seat; 20361, Second clamping wheel; 2037, Second switching seat; 20371, Switching lifting power unit; 20372, Switching lifting slider; 20373, Switching lifting slide rail; 20374, Switching lifting seat; 2038, Switching lifting platform; 2039, Second switching placement platform; 3, Operating table; 4, External ink tank. Detailed Implementation

[0042] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the invention.

[0043] like Figures 1 to 8 As shown, an inkjet printer for daily-use porcelain with alternating loading and unloading includes a scanning and printing component 1 and a loading and unloading switching mechanism 2 located below it. The scanning and printing component 1 is responsible for high-precision inkjet printing on the surface of the porcelain, while the loading and unloading switching mechanism 2 realizes continuous alternating supply of workpieces, eliminating the printhead idle time caused by traditional single-station serial loading and unloading.

[0044] The scanning and printing assembly 1 includes a beam moving mechanism 101, which is a rigid beam extending along the width of the device and has a linear guide rail and a drive system inside. A moving printing component 102 is slidably connected to the beam moving mechanism 101. The moving printing component 102 is equipped with a printing actuator 1025 and can reciprocate along the length of the beam moving mechanism 101 to perform scanning inkjet printing on the workpiece below. During movement, the moving printing component 102 maintains stable speed and position control to ensure the consistency and repeatability of the printed pattern on different workpieces.

[0045] The loading / unloading switching mechanism 2 includes a first switching component 202 and a second switching component 203; the first switching component 202 and the second switching component 203 are arranged side by side and are used to alternately move the workpiece to be printed into the printing area or move the printed workpiece out of the printing area; so that the loading / unloading process overlaps with the printing process in time, eliminating the idle time of the printing execution unit 1025 caused by waiting for loading / unloading in the traditional single-station serial mode, and improving equipment utilization and production efficiency.

[0046] The first switching component 202 includes two sets of parallel first slide rails 2025, which are simultaneously slidably connected to the first switching placement stage 2028, enabling the first switching placement stage 2028 to move smoothly back and forth along the first slide rails 2025 and enter and exit the printing area.

[0047] The second switching component 203 includes two sets of parallel second slide rails 2035, both sets of second slide rails 2035 being slidably connected to the second switching seat 2037. The two sets of second slide rails 2035 are located between the two sets of first slide rails 2025, forming a nested slide rail layout. The inner slide rail drives the second switching seat 2037, and the outer slide rail drives the first switching placement platform 2028. This compact design allows the first switching component 202 and the second switching component 203 to move alternately within a limited space without interfering with each other, thus shortening the longitudinal dimension of the equipment and saving floor space.

[0048] The second switching seat 2037 is connected to the switching lifting power unit 20371, which is either a pneumatic or electric cylinder. The output end of the switching lifting power unit 20371 is connected to the switching lifting platform 2038, which is connected to the second switching placement stage 2039. When the second switching seat 2037 drives the second switching placement stage 2039 back from the printing area, the switching lifting power unit 20371 drives the switching lifting platform 2038 and the second switching placement stage 2039 to descend a certain height, so that the second switching placement stage 2039 is lower than the moving plane of the first switching placement stage 2028, thus passing under the first switching placement stage 2028 during the return process and avoiding interference between them. After the second switching placement stage 2039 reaches the printing area, the switching lifting power unit 20371 raises it back to the printing height, ready to receive the next workpiece.

[0049] The second switching seat 2037 is connected to the switching lifting seat 20374, the switching lifting seat 20374 is connected to the switching lifting slide rail 20373, the switching lifting slide rail 20373 is slidably connected to the switching lifting slider 20372; the switching lifting slider 20372 is connected to the switching lifting platform 2038.

[0050] During operation, the first switching platform 2028 carries the workpiece to be printed into the printing area, and the moving printing component 102 scans and prints it. Simultaneously, the operator or loading robot places the next workpiece to be printed onto the second switching platform 2039. After the workpiece on the first switching platform 2028 is printed, the second switching seat 2037 drives the second switching platform 2039 to move towards the printing area, while the first switching platform 2028 retracts. During the entry of the second switching platform 2039 into the printing area, the switching lifting power unit 20371 holds it at a lower height, allowing it to pass under the first switching platform 2028, reach the printing area, and then rise to the printing height. After printing, the second switching platform 2039 descends and retracts, and the next cycle begins. Through the alternating cooperation of the first switching component 202 and the second switching component 203, the inkjet printhead can work continuously, virtually eliminating the waiting time for loading and unloading, maximizing equipment capacity, and is particularly suitable for flexible production scenarios with multiple varieties, small batches, and high-frequency changeovers.

[0051] The second switching component 203 includes a second drive shaft 2031, one end of which is connected to a second motor 2032. The second drive shaft 2031 is connected to a second drive wheel 20341, which is connected to a second driven wheel 20342 via a second drive belt 2034. The upper belt of the second drive belt 2034 is connected to a second connecting seat 20343, which is connected to a second switching seat 2037.

[0052] The second slide rail 2035 is connected to one side of the second aluminum strip 2033. The second slide rail 2035 is slidably connected to the second sliding seat 2036. A plurality of second clamping wheels 20361 are rotatably connected to one side of the second sliding seat 2036. These second clamping wheels 20361 are divided into two groups, which are respectively rolled on the upper and lower sides of the second slide rail 2035, forming a clamping rolling guide structure. The upper and lower groups of second clamping wheels 20361 clamp the second slide rail 2035 from the vertical direction, which can not only withstand the vertical load but also effectively resist the overturning moment. Even when the second switching seat 2037 moves at high speed or is subjected to an off-center load, it can ensure smooth movement, without tilting or jamming. Rolling friction replaces sliding friction, resulting in low frictional resistance, sensitive movement, low wear, and good long-term accuracy retention. The second sliding seat 2036 is connected to the second switching seat 2037, and transmits the guiding motion and driving force to the second switching seat 2037, so that the workpiece it carries can accurately reach the predetermined position.

[0053] The first switching component 202 includes a first drive shaft 2021, one end of which is connected to a first motor 2022. The first drive shaft 2021 is connected to a first drive wheel 20231, which is connected to a first driven wheel 20232 via a first drive belt 2023. The upper belt of the first drive belt 2023 is connected to a first connecting seat 20233, which is connected to a first switching seat 2027. A first switching placement platform 2028 is disposed on the first switching seat 2027.

[0054] The first slide rail 2025 is disposed on one side of the first square aluminum strip 2024, and the first slide rail 2025 is slidably connected to the first sliding seat 2026; a plurality of first clamping wheels 20261 are rotatably connected to one side of the first sliding seat 2026, and the plurality of first clamping wheels 20261 are divided into two groups, and the two groups of first clamping wheels 20261 are respectively tumbling connected to the upper and lower sides of the first slide rail 2025; the first sliding seat 2026 is connected to the first switching seat 2027.

[0055] The mobile printing unit 102 includes a printing protective frame 1022, which is an enclosed frame structure used to protect internal precision components from external dust and accidental impacts. The printing protective frame 1022 includes side panels 10221 on both sides. An opening / closing door 10223 is rotatably connected to the upper end of the printing protective frame 1022. An opening / closing door cover 10224 is provided on the outside of the opening / closing door 10223. An opening / closing power unit 10222 is located inside the printing protective frame 1022. The opening / closing power unit 10222 is one of a pneumatic cylinder, an electric cylinder, or a hydraulic cylinder. The output end of the opening / closing power unit 10222 is connected to the opening / closing door 10223. The opening / closing power unit 10222 drives the opening / closing door 10223 to automatically open or close, facilitating operations such as printhead maintenance and ink replacement by operators.

[0056] The protective frame 1022 contains a printing execution unit 1025, which is an industrial-grade high-precision inkjet printhead assembly. It is the core component of inkjet printing and is responsible for accurately spraying ink onto the surface of the porcelain to form a pattern.

[0057] A printing protective frame 1022 is connected to a printing lifting base 1023 on one side. The printing lifting base 1023 is connected to a printing lifting lead screw seat 10242, which is threadedly connected to a printing lifting screw 10241. The printing lifting screw 10241 is connected to the output end of the printing lifting motor 1024. The printing lifting motor 1024 drives the printing lifting screw 10241 to rotate, converting the rotational motion into vertical linear motion of the printing lifting base 1023 through a lead screw and nut transmission pair. This causes the entire printing protective frame 1022 and its internal printing actuator 1025 to rise and fall. This lead screw lifting method has a self-locking characteristic, maintaining its current position after the printing lifting motor 1024 stops, preventing changes in printing height due to gravity.

[0058] A printing lifting motor 1024 is connected to a movable base 1021. A lifting slide rail 10212 is provided on one side of the movable base 1021, and a lifting slider 10213 is slidably connected to the lifting slide rail 10212. The lifting slider 10213 is connected to the printing lifting base 1023. The cooperation between the lifting slide rail 10212 and the lifting slider 10213 provides precise guidance for the lifting movement, ensuring that the printing actuator 1025 maintains a horizontal posture during the lifting process, without tilting or wobbling, thereby ensuring consistent distance between the print head and the porcelain surface. A horizontal slider 10211 is connected to the other side of the movable base 1021. The horizontal slider 10211 is slidably connected to the crossbeam moving mechanism 101, realizing the overall scanning movement of the moving printing component 102 along the crossbeam direction. The horizontal slider 10211 and the lifting slider 10213 are responsible for movement in two orthogonal directions, enabling the print head to accurately align with porcelain surfaces at different heights and positions, completing high-quality inkjet printing.

[0059] The alternating loading and unloading inkjet printer for daily-use ceramics of the present invention achieves temporal overlap between the loading / unloading action and the printing action through the alternating cooperation of the first switching component 202 and the second switching component 203. This eliminates the idle time of the printing execution unit 1025 caused by waiting for loading / unloading in the traditional single-station serial mode. When the workpiece on the first switching placement table 2028 is being printed, the operator or robot can simultaneously place the next workpiece to be printed on the second switching placement table 2039. After printing is completed, the two placement tables move in and out alternately with almost no waiting interval, enabling the print head to work continuously and maximizing the release of equipment capacity. It is especially suitable for flexible production scenarios with multiple varieties, small batches, and high-frequency production changes.

[0060] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A daily-use porcelain inkjet printer with alternating loading and unloading blanks, characterized in that, Includes a scanning and printing component (1) and a loading and unloading switching mechanism (2) located below it; The scanning and printing assembly (1) includes a beam moving mechanism (101), and a moving printing component (102) is slidably connected to the beam moving mechanism (101); the moving printing component (102) moves back and forth along the length direction of the beam moving mechanism (101) to perform inkjet printing on the workpiece below. The loading and unloading switching mechanism (2) includes a first switching component (202) and a second switching component (203); the first switching component (202) and the second switching component (203) are arranged side by side for alternately moving the workpiece to be printed into the printing area or moving the printed workpiece out of the printing area; The first switching component (202) includes two sets of parallel first slide rails (2025), which are simultaneously slidably connected to the first switching placement platform (2028); The second switching component (203) includes two sets of parallel second slide rails (2035), which are simultaneously slidably connected to the second switching seat (2037); The two sets of second slide rails (2035) are located between the two sets of first slide rails (2025); The second switching seat (2037) is connected to the switching lifting power unit (20371), the output end of the switching lifting power unit (20371) is connected to the switching lifting platform (2038), and the switching lifting platform (2038) is connected to the second switching placement platform (2039).

2. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 1, characterized in that, The second switching seat (2037) is connected to the switching lifting seat (20374), the switching lifting seat (20374) is connected to the switching lifting slide rail (20373), the switching lifting slide rail (20373) is slidably connected to the switching lifting slider (20372), and the switching lifting slider (20372) is connected to the switching lifting platform (2038).

3. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 2, characterized in that, The second switching component (203) includes a second drive shaft (2031), one end of which is connected to a second motor (2032), and the second drive shaft (2031) is connected to a second drive wheel (20341). The second drive wheel (20341) is connected to the second driven wheel (20342) via a second drive belt (2034). The upper belt of the second drive belt (2034) is connected to the second connecting seat (20343), and the second connecting seat (20343) is connected to the second switching seat (2037).

4. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 3, characterized in that, The second slide rail (2035) is connected to one side of the second square aluminum strip (2033). The second slide rail (2035) is slidably connected to the second sliding seat (2036). A number of second clamping wheels (20361) are rotatably connected to one side of the second sliding seat (2036). The number of second clamping wheels (20361) are divided into two groups. The two groups of second clamping wheels (20361) are respectively tumbling connected to the upper and lower sides of the second slide rail (2035). The second sliding seat (2036) is connected to the second switching seat (2037).

5. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 1, characterized in that, The first switching component (202) includes a first drive shaft (2021), one end of which is connected to a first motor (2022), and the first drive shaft (2021) is connected to a first drive wheel (20231). The first drive wheel (20231) is connected to a first driven wheel (20232) via a first drive belt (2023). The upper belt of the first drive belt (2023) is connected to a first connecting seat (20233), and the first connecting seat (20233) is connected to a first switching seat (2027). A first switching placement platform (2028) is disposed on the first switching seat (2027).

6. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 5, characterized in that, The first slide rail (2025) is disposed on one side of the first square aluminum strip (2024), and the first slide rail (2025) is slidably connected to the first sliding seat (2026); A plurality of first clamping wheels (20261) are rotatably connected to one side of the first sliding seat (2026). The plurality of first clamping wheels (20261) are divided into two groups, and the two groups of first clamping wheels (20261) are respectively rotatably connected to the upper and lower sides of the first slide rail (2025). The first sliding seat (2026) is connected to the first switching seat (2027).

7. A daily-use porcelain inkjet printer with alternating loading and unloading blanks according to any one of claims 1 to 6, characterized in that, The mobile printing component (102) includes a printing protective frame (1022), which includes side guards (10221) on both sides. An opening and closing door (10223) is rotatably connected to the upper end of the printing protective frame (10222). An opening and closing door cover (10224) is provided on the outside of the opening and closing door (10223). An opening and closing power unit (10222) is provided inside the printing protective frame (10222), and the output end of the opening and closing power unit (10222) is connected to the opening and closing door (10223).

8. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 7, characterized in that, The printing protective frame (1022) is equipped with a printing execution unit (1025).

9. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 8, characterized in that, The printing protective frame (1022) is connected to the printing lifting base (1023) on one side. The printing lifting base (1023) is connected to the printing lifting screw seat (10242), the printing lifting screw seat (10242) is threadedly connected to the printing lifting screw (10241), and the printing lifting screw (10241) is connected to the output end of the printing lifting motor (1024).

10. The inkjet printer for alternating loading and unloading of daily-use ceramic blanks according to claim 9, characterized in that, The printing lifting motor (1024) is connected to the movable base (1021). A lifting slide rail (10212) is provided on one side of the movable base (1021). A lifting slider (10213) is slidably connected to the lifting slide rail (10212). The lifting slider (10213) is connected to the printing lifting base (1023). The other side of the movable base (1021) is connected to the transverse slider (10211), and the transverse slider (10211) is slidably connected to the beam moving mechanism (101).

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