Steel cylinder code spraying and printing machine

By integrating inkjet printing and lettering functions, the cylinder inkjet printer has achieved precise inkjet printing on the cylinder caps and double-line lettering on the outer wall, solving the problems of complexity and inconsistency in the production process, and improving production efficiency and uniformity of marking.

CN224256287UActive Publication Date: 2026-05-19HANGZHOU YUHANG ZHANGSHAN STEEL CYLINDER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU YUHANG ZHANGSHAN STEEL CYLINDER CO LTD
Filing Date
2025-07-09
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In the production process of steel cylinders, printing and coding are carried out separately, which increases the complexity of the production process, reduces efficiency, and causes inconsistencies in information identification, affecting quality traceability and safety management.

Method used

Design a cylinder inkjet printer that integrates inkjet coding and text printing functions. By inkjet printing coded information onto the cylinder cap, combined with hydraulic drive and motor control, it can achieve precise positioning of the cylinder and continuous printing of two lines of information.

Benefits of technology

It improves production efficiency, ensures the uniformity and clarity of labeling information, meets the high standards for cylinder quality and safety, and solves the efficiency loss and information inconsistency problems caused by traditional separate processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel cylinder production, in particular to a steel cylinder code spraying printer which comprises a frame-shaped base, a support arranged at the bottom of the frame-shaped base, a code spraying machine arranged on the left side of the support, a code spraying frame arranged on the left side of the support and used for adjusting the height of a spraying head of the code spraying machine, and a transverse moving assembly arranged on the top of the support and capable of moving front and back. Second hydraulic cylinders are arranged at the positions, close to the left end and the right end of the rear side, of the top of the frame-shaped base, movable rods of the two second hydraulic cylinders are jointly connected with a U-shaped frame, a longitudinal fixing plate is arranged in the middle of the rear side of the inner wall of the U-shaped frame, and printing assemblies are arranged on the left side and the right side of the longitudinal fixing plate. According to the ink-jet printing machine for the steel cylinder, fixed-point ink-jet printing of the ink-jet printing machine on the end socket of the steel cylinder and line-by-line ink-jet printing of the ink-jet printing assembly on the outer wall are integrated, so that ink-jet printing and double-line ink-jet printing procedures are continuously completed by single equipment, efficiency loss caused by equipment switching and repeated positioning of the steel cylinder in the traditional process is eliminated, and the overall production efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of steel cylinder production technology, specifically a steel cylinder inkjet printing machine. Background Technology

[0002] Gas cylinders are essential containers widely used in industrial, civilian, and medical fields, typically for storing and transporting gases such as oxygen, argon, and acetylene. They are generally made of high-strength steel to ensure safety and durability under high-pressure environments. With increasingly stringent safety and quality requirements, the production and management of gas cylinders have become more rigorous. To achieve effective traceability and management of gas cylinders, printing information on the outer wall has become crucial, especially on the cylinder's seal, where relevant information such as production date, inspection mark, and serial number needs to be clearly displayed.

[0003] Currently, in the production process of steel cylinders, printing and coding are generally carried out separately. This process not only increases the complexity of the production process but also affects work efficiency. Printing on the outer wall of the cylinder usually uses traditional engraving or inkjet printing methods, while coding is mainly used to mark more complex information. This separate approach affects the smoothness of the production line, prolongs the production cycle, and may also lead to inconsistencies in information marking, thereby affecting the quality traceability and safety management of the cylinders.

[0004] To address the aforementioned issues, we have proposed a cylinder inkjet printing machine. This device integrates printing and coding functions, enabling rapid and accurate coding on the cylinder's cap and printing on the outer wall. By combining these two functions, production efficiency is improved, and the consistency and clarity of the marking information are ensured, thus better meeting the industry's high standards for cylinder quality and safety. Utility Model Content

[0005] The purpose of this invention is to provide a cylinder coding printer to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A cylinder marking printer includes a frame-shaped base, such as Figure 1 As shown, the bottom of the frame-shaped base is equipped with a support, and a coding machine is provided on the left side of the support. The coding machine is used to print coded information onto the cylinder cap. The left side of the support is also equipped with a coding frame for adjusting the height of the coding machine nozzle. The coding machine nozzle is located directly to the left of the cylinder cap. The coding frame adjusts the vertical height of the nozzle through rectangular blocks and locking bolts to accommodate cylinders of different specifications. The top of the support is equipped with a horizontal moving component that can move back and forth. The horizontal moving component is driven to move back and forth by a first hydraulic cylinder to realize the positioning and placement of the cylinder.

[0008] like Figure 5 As shown, the horizontal movement component includes a frame-shaped movable plate. The top of the frame-shaped movable plate is equipped with a movable plate that can move left and right. The movable plate achieves precise left and right positioning of the cylinder through a motor-driven lead screw. The cylinder first moves to the bottom of the printing component on the left to prepare for printing the first line of information. After the first line of information is printed on the outer wall of the cylinder, it can move to the right to the bottom of the second printing component to print the second line of information. The top of the movable plate is equipped with four fixed vertical plates arranged in a matrix. The fixed vertical plates are used to install rotating support rods to support the cylinder and allow it to rotate adaptively. Rotating support rods are rotatably connected between two fixed vertical plates arranged opposite each other on the left and right. The outer wall of the rotating support rod is equipped with two support wheels arranged symmetrically on the left and right. The cylinder is placed horizontally on the four support wheels so that the part of the cylinder cap with inkjet printing is facing the printhead of the inkjet printer, and the cylinder can rotate adaptively during printing.

[0009] Combination Figure 1 and Figure 7 As shown, a second hydraulic cylinder is provided at the top of the frame-shaped base and near the left and right ends of the rear side. The second hydraulic cylinder drives the U-shaped frame and the printing assembly to rise and fall, adapting to the printing needs of steel cylinders of different diameters. When printing, the movable rod of the second hydraulic cylinder retracts, causing the printing assembly to move downward until the bottom of the printing plate abuts against the outer wall of the steel cylinder. The movable rods of the two second hydraulic cylinders are connected to the U-shaped frame. A longitudinal fixing plate is provided in the middle of the rear side of the inner wall of the U-shaped frame. Printing assemblies are provided on both the left and right sides of the longitudinal fixing plate to realize double-line information printing.

[0010] Preferred, such as Figure 4 As shown, the inkjet printer frame includes a fixed base that is bolted to the left side of the bracket. The top of the fixed base is provided with a rectangular vertical rod. A rectangular sleeve block is fitted on the outside of the rectangular vertical rod. The rectangular sleeve block slides along the rectangular vertical rod to adjust the height of the inkjet printer nozzle. The right side of the rectangular sleeve block is provided with a mounting plate for fixing the inkjet printer nozzle to ensure that the inkjet printing position is aligned with the cylinder seal.

[0011] The left side of the rectangular sleeve is threaded with a locking bolt. The threaded end of the locking bolt abuts against the left side of the rectangular vertical rod. The locking bolt locks the adjustable height of the inkjet printer head by abutting against the rectangular vertical rod.

[0012] Preferred, combined Figure 5 and Figure 6As shown, grooves are provided on both the front and rear sides of the inner wall of the frame-shaped movable plate. The grooves accommodate the lead screw and the transverse slide bar, providing driving and guiding space for the movable plate. The lead screw is rotatably connected in the front groove. The lead screw drives the L-shaped active moving block through the motor to realize the left and right movement of the movable plate. The right side of the frame-shaped movable plate is provided with a motor for driving the lead screw to rotate. It is connected to an external power supply and controller. The motor provides power for the left and right movement of the movable plate. The rear groove is provided with a transverse slide bar. The transverse slide bar guides the L-shaped driven moving block to slide, ensuring that the movable plate moves smoothly.

[0013] The bottom of the movable plate and near the left and right ends of the front side are provided with L-shaped active moving blocks. The L-shaped active moving blocks are threadedly connected to the lead screw, converting the rotational motion into linear displacement. The L-shaped active moving blocks are threadedly connected to the outside of the lead screw. The bottom of the movable plate and near the left and right ends of the rear side are provided with L-shaped driven moving blocks. The L-shaped driven moving blocks are slidably connected to the outside of the transverse slide bar. The L-shaped driven moving blocks slide along the transverse slide bar to prevent the movable plate from deviating.

[0014] Preferred, combined Figure 3 and Figure 5 As shown, a first hydraulic cylinder is provided in the middle of the rear side of the inner wall of the frame-shaped base, and a connecting protrusion is provided in the middle of the front edge of the bottom of the frame-shaped movable plate. The end of the movable rod of the first hydraulic cylinder is fixedly connected to the rear side of the connecting protrusion. The first hydraulic cylinder drives the transverse component to move back and forth. When the movable rod of the first hydraulic cylinder extends, it drives the transverse component to move forward, so that the gas cylinder is close to the front side of the frame-shaped base, so that the staff can pick up and put down the gas cylinder.

[0015] Preferred, such as Figure 7 As shown, a rectangular vertical block is provided at the top of the U-shaped frame and at the middle of the left and right edges. The rectangular vertical block is connected to the left and right side structures by a fixed crossbar to enhance the overall rigidity of the U-shaped frame. A rectangular vertical block is also provided at the middle of the top of the longitudinal fixing plate, and a fixed crossbar is provided between two adjacent rectangular vertical blocks on the left and right.

[0016] Preferred, combined Figure 7 and Figure 8As shown, the printing assembly includes a third hydraulic cylinder bolted to the top of the U-shaped frame. The third hydraulic cylinder drives the printing plate to move back and forth, causing the cylinder to rotate to achieve continuous printing. The first, second, and third hydraulic cylinders are all connected to an external hydraulic drive system and work in coordination. The end of the movable rod of the third hydraulic cylinder is provided with a connecting block, which connects the third hydraulic cylinder and the first strip plate to transmit driving force. The bottom of the connecting block is provided with a first strip plate, which fixes the printing plate and guides it to move along the second longitudinal slide bar. The bottom of the rear side of the first strip plate is provided with a printing plate, which cooperates with the printing brush to press the paint onto the outer wall of the cylinder. The rear side of the printing plate is provided with a second strip plate, which restricts the movement trajectory of the printing plate through the second longitudinal slide bar. When the movable rod of the third hydraulic cylinder extends, it can drive the printing plate to move forward, causing the cylinder to rotate, and the paint on the printing brush can be printed on the outer wall of the cylinder.

[0017] The printing assembly also includes an electric telescopic rod bolted to the top of the fixed crossbar. It is powered by an external power source and controller. The movable rod of the electric telescopic rod passes through the top of the fixed crossbar and is connected to a printing brush. When printing on the cylinder, the movable rod of the electric telescopic rod extends, and the printing brush absorbs the paint and contacts the printing plate to complete the printing of the graphics on the outer wall of the cylinder. The paint for the printing brush is supplied by a paint supply device.

[0018] Preferred, combined Figure 3 and Figure 5 As shown, the bottom of the frame-shaped movable plate and near the left and right sides are provided with limiting sliders, and the inner wall of the frame-shaped base is provided between the front and rear sides and near the left and right sides with first longitudinal slide rods. The two limiting sliders are respectively slidably connected to the outside of the two first longitudinal slide rods. The limiting sliders slide along the first longitudinal slide rods to improve the stability of the transverse component moving back and forth.

[0019] Preferred, such as Figure 1 As shown, the top of the frame base and near the rear side are provided with multiple vertical sliding rods arranged at equal intervals on the left and right. The top of the vertical sliding rods penetrates through the bottom of the U-shaped frame to the outside, ensuring the stability of the U-shaped frame during lifting.

[0020] Preferred, such as Figure 5 As shown, anti-detachment rollers are rotatably connected to the top of the movable plate and near the left and right sides. The anti-detachment rollers limit the displacement of the cylinder ends and prevent them from slipping.

[0021] Preferred, such as Figure 7As shown, the inner wall of the U-shaped frame is provided with fixing protrusions on both the left and right sides and at the front end. The fixing protrusions fix the second longitudinal slide rod and guide the movement of the first strip plate and the second strip plate. The front end of both the left and right sides of the longitudinal fixing plate is provided with fixing protrusions. The rear side of the fixing protrusion is provided with the second longitudinal slide rod. The first strip plate and the second strip plate are slidably connected to the corresponding second longitudinal slide rod. The second longitudinal slide rod restricts the movement direction of the printing plate to avoid deflection.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] 1. This cylinder inkjet printer integrates the functions of inkjet printer for fixed-point inkjet printing on cylinder caps and printing component for line printing on outer wall, enabling a single device to continuously complete inkjet printing and double-line printing processes. This eliminates the efficiency loss caused by equipment switching and repeated cylinder positioning in traditional processes, thereby improving overall production efficiency.

[0024] 2. This cylinder inkjet printer features a printhead height adjustment function that ensures precise matching of the printing position on the cylinder caps of different sizes. The support wheels bear the weight of the cylinder and guide its adaptive rotation. Combined with the hydraulic drive of the transverse component for forward and backward movement and the motor control for precise left and right positioning, it ensures consistent markings.

[0025] 3. After the left printing component completes the first line of printing, the moving plate moves to the right to precisely align the outer wall of the cylinder with the right printing component. The pressure of the printing brush is controlled by the electric telescopic rod, and the third hydraulic cylinder drives the printing plate to press against the outer wall of the cylinder. The two lines of text and images are clear and do not overlap, completely solving the problem of cumulative error caused by manual repositioning. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall first-view structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the overall second-view structure of this utility model;

[0028] Figure 3 This is a partial structural schematic diagram of the present invention;

[0029] Figure 4 This is a schematic diagram of the inkjet printer frame structure in this utility model;

[0030] Figure 5 This is a schematic diagram of the transverse moving component structure in this utility model;

[0031] Figure 6 This is a schematic diagram of the movable plate structure in this utility model;

[0032] Figure 7 This is a schematic diagram of the assembly structure of the U-shaped frame and the printing component in this utility model;

[0033] Figure 8 This is a schematic diagram of the printing component structure in this utility model;

[0034] In the diagram: 100, frame-shaped base; 110, bracket; 120, first longitudinal slide bar; 130, vertical slide bar; 200, inkjet printer; 300, inkjet printer frame; 310, fixed base; 320, rectangular vertical bar; 330, rectangular sleeve block; 340, locking bolt; 350, mounting horizontal plate; 400, transverse moving assembly; 410, frame-shaped movable plate; 411, groove; 412, connecting protrusion; 420, moving plate; 421, fixed vertical plate; 422, L-shaped active moving block; 423, L-shaped driven moving block; 430, rotating support rod; 431, support. 440. Anti-detachment roller; 450. Lead screw; 460. Motor; 470. Transverse slide bar; 480. Limiting slider; 500. First hydraulic cylinder; 600. Second hydraulic cylinder; 700. U-shaped frame; 710. Longitudinal fixing plate; 720. Fixing protrusion; 730. Second longitudinal slide bar; 740. Rectangular vertical block; 750. Fixing crossbar; 800. Printing assembly; 810. Third hydraulic cylinder; 820. Connecting block; 830. First strip plate; 840. Printing plate; 850. Second strip plate; 860. Electric telescopic rod; 870. Printing brush. Detailed Implementation

[0035] 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.

[0036] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0037] Please see Figures 1-8 This utility model provides a technical solution:

[0038] A cylinder coding printer includes a frame-shaped base 100, such as... Figure 1 As shown, the bottom of the frame-shaped base 100 is provided with a support 110. On the left side of the support 110, there is a coding machine 200. The coding machine 200 is used to print coding information onto the cylinder cap. On the left side of the support 110, there is also a coding frame 300 for adjusting the height of the coding machine 200 printhead. The printhead of the coding machine 200 is located directly to the left of the cylinder cap. The coding frame 300 adjusts the vertical height of the printhead through a rectangular sleeve block 330 and a locking bolt 340 to adapt to cylinders of different specifications. The top of the support 110 is provided with a horizontal moving component 400 that can move back and forth. The horizontal moving component 400 is driven to move back and forth by a first hydraulic cylinder 500 to realize the positioning and placement of the cylinder.

[0039] like Figure 5 As shown, the horizontal movement component 400 includes a frame-shaped movable plate 410. The top of the frame-shaped movable plate 410 is equipped with a movable plate 420 that can move left and right. The movable plate 420 is driven by a motor 460 and a lead screw 450 to achieve precise left and right positioning of the cylinder. The cylinder first moves to the left below the printing component 800, preparing for the printing of the first line of information. After the first line of information is printed on the outer wall of the cylinder, it can move to the right to the right below the second printing component 800 for the printing of the second line of information. The top of the movable plate 420 is equipped with... Four fixed vertical plates 421 are arranged in a matrix. The fixed vertical plates 421 are used to install the rotating support rod 430, support the steel cylinder and allow it to rotate adaptively. The rotating support rod 430 is rotatably connected between two fixed vertical plates 421 arranged on the left and right. The outer wall of the rotating support rod 430 is provided with two support wheels 431 arranged on the left and right symmetrically. The steel cylinder is placed horizontally on the four support wheels 431, so that the part of the steel cylinder end with the inkjet is facing the print head of the inkjet printer 200, and the steel cylinder can rotate adaptively when printing.

[0040] Combination Figure 1 and Figure 7 As shown, a second hydraulic cylinder 600 is provided at the top of the frame base 100 and near the left and right ends of the rear side. The second hydraulic cylinder 600 drives the U-shaped frame 700 and the printing assembly 800 to rise and fall, adapting to the printing needs of steel cylinders of different diameters. When printing, the movable rod of the second hydraulic cylinder 600 retracts, causing the printing assembly 800 to move downward until the bottom of the printing plate 840 abuts against the outer wall of the steel cylinder. The movable rods of the two second hydraulic cylinders 600 are connected to the U-shaped frame 700. A longitudinal fixing plate 710 is provided in the middle of the rear side of the inner wall of the U-shaped frame 700. The printing assembly 800 is provided on both the left and right sides of the longitudinal fixing plate 710 to realize double-line information printing.

[0041] In this embodiment, as Figure 4As shown, the inkjet printer frame 300 includes a fixed seat 310 bolted to the left side of the bracket 110. The top of the fixed seat 310 is provided with a rectangular vertical rod 320. A rectangular sleeve block 330 is sleeved on the outside of the rectangular vertical rod 320. The rectangular sleeve block 330 slides along the rectangular vertical rod 320 to adjust the height of the inkjet printer 200 nozzle. The right side of the rectangular sleeve block 330 is provided with a mounting plate 350 for fixing the inkjet printer 200 nozzle to ensure that the inkjet printing position is aligned with the cylinder seal.

[0042] A locking bolt 340 is threadedly connected to the left side of the rectangular sleeve block 330. The threaded end of the locking bolt 340 abuts against the left side of the rectangular vertical rod 320. The locking bolt 340 locks the adjustable height of the inkjet printer 200 printhead by abutting against the rectangular vertical rod 320.

[0043] Specifically, in combination Figure 5 and Figure 6 As shown, grooves 411 are provided on both the front and rear sides of the inner wall of the frame-shaped movable plate 410. The grooves 411 accommodate the lead screw 450 and the transverse slide bar 470, providing driving and guiding space for the movable plate 420. The lead screw 450 is rotatably connected in the front groove 411. The lead screw 450 drives the L-shaped active moving block 422 through the motor 460, realizing the left and right movement of the movable plate 420. The right side of the frame-shaped movable plate 410 is provided with a motor 460 for driving the lead screw 450 to rotate. It is connected to an external power supply and controller. The motor 460 provides power for the left and right movement of the movable plate 420. The rear groove 411 is provided with a transverse slide bar 470. The transverse slide bar 470 guides the L-shaped driven moving block 423 to slide, ensuring that the movable plate 420 moves smoothly.

[0044] L-shaped active moving blocks 422 are provided at the bottom of the movable plate 420 and near the left and right ends of the front side. The L-shaped active moving blocks 422 are threadedly connected to the lead screw 450 to convert the rotational motion into linear displacement. The L-shaped active moving blocks 422 are threadedly connected to the outside of the lead screw 450. L-shaped driven moving blocks 423 are provided at the bottom of the movable plate 420 and near the left and right ends of the rear side. The L-shaped driven moving blocks 423 are slidably connected to the outside of the transverse slide bar 470. The L-shaped driven moving blocks 423 slide along the transverse slide bar 470 to prevent the movable plate 420 from deviating.

[0045] Furthermore, in combination Figure 3 and Figure 5 As shown, a first hydraulic cylinder 500 is provided in the middle of the rear side of the inner wall of the frame-shaped base 100, and a connecting protrusion 412 is provided in the middle of the front edge of the bottom of the frame-shaped movable plate 410. The end of the movable rod of the first hydraulic cylinder 500 is fixedly connected to the rear side of the connecting protrusion 412. The first hydraulic cylinder 500 drives the transverse moving assembly 400 to move back and forth. When the movable rod of the first hydraulic cylinder 500 extends, it drives the transverse moving assembly 400 to move forward, so that the gas cylinder is close to the front side of the frame-shaped base 100, so that the staff can pick up and put down the gas cylinder.

[0046] Furthermore, such as Figure 7 As shown, a rectangular vertical block 740 is provided at the top of the U-shaped frame 700 and at the middle of the left and right edges. The rectangular vertical block 740 is connected to the left and right side structures by a fixed crossbar 750 to enhance the overall rigidity of the U-shaped frame 700. A rectangular vertical block 740 is also provided at the middle of the top of the longitudinal fixing plate 710. A fixed crossbar 750 is provided between two adjacent rectangular vertical blocks 740 on the left and right.

[0047] Furthermore, in combination Figure 7 and Figure 8 As shown, the printing assembly 800 includes a third hydraulic cylinder 810 bolted to the top of the U-shaped frame 700. The third hydraulic cylinder 810 drives the printing plate 840 to move back and forth, causing the cylinder to rotate to achieve continuous printing. The first hydraulic cylinder 500, the second hydraulic cylinder 600, and the third hydraulic cylinder 810 are all connected to an external hydraulic drive system and work in coordination. The end of the moving rod of the third hydraulic cylinder 810 is provided with a connecting block 820, which connects the third hydraulic cylinder 810 and the first strip plate 830 to transmit driving force. The bottom of the connecting block 820 is provided with the first strip plate 830. The first strip plate 830 fixes the printing plate 840 and guides it to move along the second longitudinal slide bar 730. The printing plate 840 is provided at the bottom of the rear side of the first strip plate 830. The printing plate 840 cooperates with the printing brush 870 to press the paint onto the outer wall of the cylinder. The second strip plate 850 is provided at the rear side of the printing plate 840. The second strip plate 850 restricts the movement trajectory of the printing plate 840 through the second longitudinal slide bar 730. When the movable rod of the third hydraulic cylinder 810 extends, it can drive the printing plate 840 to move forward and drive the cylinder to rotate. The paint on the printing brush 870 can be printed on the outer wall of the cylinder.

[0048] The printing assembly 800 also includes an electric telescopic rod 860 bolted to the top of the fixed crossbar 750. It is powered by an external power source and controller. The movable rod of the electric telescopic rod 860 passes through the top of the fixed crossbar 750 and is connected to a printing brush 870. When printing on the cylinder, the movable rod of the electric telescopic rod 860 extends, and the printing brush 870 absorbs the paint and contacts the printing plate 840 to complete the graphic printing on the outer wall of the cylinder, thereby performing the printing operation on the outer wall of the cylinder. The paint for the printing brush 870 is supplied by a paint supply device.

[0049] Furthermore, in combination Figure 3 and Figure 5As shown, the bottom of the frame-shaped movable plate 410 and near the left and right sides are provided with limiting sliders 480, and the inner wall of the frame-shaped base 100 is provided with first longitudinal slide rods 120 between the front and rear sides and near the left and right sides. The two limiting sliders 480 are respectively slidably connected to the outside of the two first longitudinal slide rods 120. The limiting sliders 480 slide along the first longitudinal slide rods 120 to improve the stability of the forward and backward movement of the transverse component 400.

[0050] Furthermore, such as Figure 1 As shown, the top of the frame base 100 and near the rear side are provided with multiple vertical slide rods 130 arranged at equal intervals on the left and right. The top of the vertical slide rods 130 penetrates through the bottom of the U-shaped frame 700 to the outside, ensuring the stability of the U-shaped frame 700 during the lifting process.

[0051] Furthermore, such as Figure 5 As shown, anti-detachment rollers 440 are rotatably connected to the top of the movable plate 420 and near the left and right sides. The anti-detachment rollers 440 limit the displacement of the end of the steel cylinder to prevent it from slipping. The anti-detachment rollers 440 limit the height of the steel cylinder and can accommodate steel cylinders of the same height but different diameters, and can accommodate at least two specifications of steel cylinders.

[0052] Furthermore, such as Figure 7 As shown, fixing protrusions 720 are provided on both the left and right sides of the inner wall of the U-shaped frame 700 at the front end. The fixing protrusions 720 fix the second longitudinal slide rod 730 and guide the movement of the first strip plate 830 and the second strip plate 850. Fixing protrusions 720 are provided on the front end of both the left and right sides of the longitudinal fixing plate 710. The second longitudinal slide rod 730 is provided on the rear side of the fixing protrusions 720. The first strip plate 830 and the second strip plate 850 are slidably connected to the corresponding second longitudinal slide rod 730. The second longitudinal slide rod 730 restricts the movement direction of the printing plate 840 to avoid skewing.

[0053] In this embodiment, when using the cylinder coding machine, the operator places the cylinder to be processed horizontally on the four support wheels 431 on the top of the moving plate 420 of the transverse component 400. After the two ends of the cylinder are limited by the anti-detachment rollers 440, the first hydraulic cylinder 500 is activated to retract its movable rod, driving the frame-shaped movable plate 410 to move backward along the first longitudinal slide bar 120 to the processing position. At this time, the cylinder end is located to the right of the inkjet printer 200 nozzle. By adjusting the rectangular sleeve block 330 of the coding frame 300 in the rectangular... The vertical rod 320 is raised to the desired height, and the locking bolt 340 is tightened, aligning the printhead of the inkjet printer 200 with the cylinder seal. Then, the movable rod of the second hydraulic cylinder 600 retracts, causing the U-shaped frame 700 to move downwards until the printing plate 840 of the left printing assembly 800 abuts against the outer wall of the cylinder, providing a positioning function for the cylinder. At this point, the inkjet printer 200 operates, and the printhead performs inkjet printing on the cylinder seal. Then, the movable rod of the electric telescopic rod 860 of the left printing assembly 800 extends, allowing the inkjet printer to... The printing brush 870 presses against the printing plate 840, while the movable rod of the third hydraulic cylinder 810 extends, driving the printing plate 840 forward. Simultaneously, the cylinder rotates adaptively under the guidance of the support wheel 431 to complete the first line of printing. Then, the movable rod of the second hydraulic cylinder 600 rises and resets, and the motor 460 drives the lead screw 450 to rotate, causing the moving plate 420 to move to the right along the transverse slide bar 470 via the L-shaped active moving block 422 and the L-shaped driven moving block 423, aligning the outer wall of the cylinder with the right-side printing assembly 80. After 0, repeat the above printing process to complete the second line of printing; after processing, the movable rod of the second hydraulic cylinder 600 rises and resets, the movable rod of the first hydraulic cylinder 500 extends, driving the transverse component 400 to move forward to the loading and unloading position, the worker unloads the gas cylinder and places the next workpiece to be processed, and then the motor 460 drives the lead screw 450 to rotate so that the moving plate 420 moves to the initial position along the transverse slide bar 470 through the L-shaped active moving block 422 and the L-shaped driven moving block 423, thereby forming a continuous operation cycle.

[0054] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cylinder inkjet printer, comprising a frame-shaped base (100), characterized in that: The bottom of the frame-shaped base (100) is provided with a bracket (110). A coding machine (200) is provided on the left side of the bracket (110). A coding frame (300) for adjusting the height of the coding machine (200) nozzle is also provided on the left side of the bracket (110). The top of the bracket (110) is provided with a horizontal moving assembly (400) that can move back and forth. The horizontal moving assembly (400) includes a frame-shaped movable plate (410). The top of the frame-shaped movable plate (410) is provided with a movable plate (420) that can move left and right. The top of the movable plate (420) is provided with four fixed vertical plates (421) arranged in a matrix. A rotating support rod (430) is rotatably connected between two fixed vertical plates (421) arranged opposite each other on the left and right. The outer wall of the rotating support rod (430) is provided with two support wheels (431) arranged symmetrically on the left and right. A second hydraulic cylinder (600) is provided at the top of the frame base (100) and near the left and right ends of the rear side. The movable rods of the two second hydraulic cylinders (600) are connected to a U-shaped frame (700). A longitudinal fixing plate (710) is provided in the middle of the rear side of the inner wall of the U-shaped frame (700). Printing components (800) are provided on both the left and right sides of the longitudinal fixing plate (710).

2. The cylinder inkjet printer according to claim 1, characterized in that: The inkjet printer frame (300) includes a fixing seat (310) that is bolted to the left side of the bracket (110). The top of the fixing seat (310) is provided with a rectangular vertical rod (320). A rectangular sleeve block (330) is sleeved on the outside of the rectangular vertical rod (320). A mounting plate (350) for fixing the printhead of the inkjet printer (200) is provided on the right side of the rectangular sleeve block (330).

3. The cylinder inkjet printer according to claim 2, characterized in that: The left side of the rectangular sleeve (330) is threaded with a locking bolt (340), and the threaded end of the locking bolt (340) abuts against the left side of the rectangular vertical rod (320).

4. The cylinder inkjet printer according to claim 1, characterized in that: The inner wall of the frame-shaped movable plate (410) is provided with grooves (411) on both the front and rear sides. A lead screw (450) is rotatably connected in the front groove (411). A motor (460) for driving the lead screw (450) to rotate is provided on the right side of the frame-shaped movable plate (410). A transverse slide rod (470) is provided in the rear groove (411).

5. The cylinder inkjet printer according to claim 4, characterized in that: The bottom of the movable plate (420) and near the left and right ends of the front side are provided with L-shaped active moving blocks (422), and the L-shaped active moving blocks (422) are threaded to the outside of the lead screw (450). The bottom of the movable plate (420) and near the left and right ends of the rear side are provided with L-shaped driven moving blocks (423), and the L-shaped driven moving blocks (423) are slidably connected to the outside of the transverse slide bar (470).

6. The cylinder inkjet printer according to claim 1, characterized in that: A first hydraulic cylinder (500) is provided in the middle of the rear side of the inner wall of the frame-shaped base (100), and a connecting convex plate (412) is provided in the middle of the front edge of the bottom of the frame-shaped movable plate (410). The end of the movable rod of the first hydraulic cylinder (500) is fixedly connected to the rear side of the connecting convex plate (412).

7. The cylinder inkjet printer according to claim 1, characterized in that: A rectangular vertical block (740) is provided at the top of the U-shaped frame (700) and at the middle of the left and right edges. A rectangular vertical block (740) is also provided at the middle of the top of the longitudinal fixing plate (710). A fixed crossbar (750) is provided between two adjacent rectangular vertical blocks (740).

8. The cylinder inkjet printer according to claim 7, characterized in that: The printing assembly (800) includes a third hydraulic cylinder (810) bolted to the top of the U-shaped frame (700). The end of the movable rod of the third hydraulic cylinder (810) is provided with a connecting block (820). The bottom of the connecting block (820) is provided with a first strip plate (830). The bottom of the rear side of the first strip plate (830) is provided with a printing plate (840). The rear side of the printing plate (840) is provided with a second strip plate (850).

9. The cylinder inkjet printer according to claim 8, characterized in that: The printing assembly (800) also includes an electric telescopic rod (860) bolted to the top of the fixed crossbar (750), the movable rod of which passes through the top of the fixed crossbar (750) and is connected to a printing brush (870).