Online ink-jet printer equipment
By designing an online inkjet printer device including multiple compression springs and arc-shaped clamping press plates, the problem of poor adaptability of existing equipment is solved, and stable clamping and high-quality inkjet coding of workpieces of different thicknesses and sizes is achieved.
Patent Information
- Application Number
- CN202421409708.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The clamping mechanism of existing online inkjet printer equipment is poor in adaptability and cannot effectively clamp workpieces to be inkjet of different thicknesses and sizes.
An online inkjet printer device including a base, a mounting bracket, an adjustment plate, a transverse adjustment mechanism, a vertical adjustment mechanism and a clamping pressure plate are designed. Through multiple compression springs and arc-shaped clamping press plates, stable clamping of workpieces of different thicknesses is achieved, and the position of the inkjet printer head is adjusted through the adjustment mechanism to ensure the inkjet quality.
It improves the equipment's adaptability to workpieces of different thicknesses and sizes, ensures the stability and quality of workpieces during the injection coding process, and facilitates the injection coding operation of various workpieces.
Smart Images

Figure CN222554557U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of inkjet printers, and specifically relates to an online inkjet printer device. Background Art
[0002] Online inkjet printer equipment, also known as remote inkjet printer equipment, uses a network connection to remotely control the inkjet operation. It is a commonly used identification equipment in industrial production. It helps to perform operations such as inkjet coding and coding on products to achieve product identification, management and traceability functions. It is mainly used in manufacturing, printing, packaging and other industries.
[0003] For example, the utility model patent with announcement number CN216033229U discloses an online inkjet printer device, in which an inkjet printer body is installed under the placement plate, and an inkjet printer head is fixedly connected to the bottom of the inkjet printer body, a controller is fixedly connected to the outer wall of the first support plate, and a first clamping mechanism is installed on the inner wall of the first support plate, and a second clamping mechanism is installed on the second support plate. A driving mechanism is installed on the top of the placement plate. Through the combined use of the first clamping mechanism and the second clamping mechanism, the workpiece to be coded can be clamped to prevent the workpiece from loosening and causing the coding quality to be substandard. At the same time, the workpiece can be driven to flip, so that the back of the workpiece can also be coded. The driving mechanism can drive the gear and rack to engage, and after the gear and rack are engaged, the lower inkjet printer body and the inkjet printer head can be driven to move up and down to prevent the distance between the inkjet printer head and the workpiece from being too long, resulting in unclear coding, so as to facilitate flexible coding according to actual coding needs.
[0004] However, it was found in actual use that the first clamping plate and the second clamping plate of the device can only clamp and fix the workpiece to be coded with a fixed thickness, which makes the adaptability of the device poor. For this purpose, an online inkjet printer device is provided. Utility Model Content
[0005] The purpose of this application is to provide an online inkjet printer device in order to solve the above-mentioned problems.
[0006] The technical solution adopted in the present application is as follows: an online inkjet printer device comprises a base, two mounting brackets are fixedly installed on the top surface of the base, and the top surfaces of the two mounting brackets are both provided with mounting plates, an adjusting plate is provided on the front side of the mounting plate, a lateral adjustment mechanism connected to the adjusting plate is provided on the front side of the mounting plate, two slide rails are fixedly installed on the front side of the adjusting plate, and the top surfaces of the two slide rails are both slidably connected with sliders, a fixed bracket is fixedly installed on the front side of the slider, a inkjet printer head is fixedly installed on the top surface of the fixed bracket, a vertical adjustment mechanism connected to the fixed bracket is provided on the front side of the adjusting plate, two support plates are fixedly installed on the top surface of the base, and a fixed block is provided on one side of the fixed block where the two support plates are close to each other, a U-shaped groove is provided on one side of the fixed block, a plurality of compression springs are fixedly installed in an array at equal intervals on the inner top surface of the U-shaped groove, and a clamping plate is fixedly installed on one end of the plurality of compression springs away from the inner top surface of the U-shaped groove, and a rotation adjustment mechanism connected to the fixed block is provided on one side of the support plate.
[0007] In a preferred embodiment, the rotation adjustment mechanism includes a bearing seat 1, a connecting shaft, a synchronous wheel 1, a bearing seat 2, a rotating rod, a synchronous wheel 2 and a servo motor, a synchronous wheel 3 and a synchronous wheel 4, the bearing seat 1 is fixedly installed on the side of the two support plates close to each other, and a connecting shaft is fixedly installed in the middle of the bearing seat 1, one end of the connecting shaft is fixed to one side of the fixed block, and a synchronous wheel 1 is fixedly installed on the outer surface of the end of the connecting shaft away from the fixed block, two bearing seats 2 are symmetrically fixedly installed on the top surface of the base, and rotating rods are fixedly installed in the middle of the two bearing seats 2, and synchronous wheels 2 are fixedly installed on the outer surface of one end of the rotating rod, a servo motor is fixedly installed on the top surface of the base, and a synchronous wheel 3 is fixedly installed on the driving end of the servo motor, a transmission belt 1 is provided on the outer surface of the synchronous wheel 3, and the synchronous wheel 3 is connected to the synchronous wheel 2 by a transmission belt 1, a synchronous wheel 4 is fixedly installed on the outer surface of the rotating rod, a transmission belt 2 is provided on the outer surface of the synchronous wheel 4, and the synchronous wheel 4 is connected to the synchronous wheel 1 by a transmission belt 2.
[0008] In a preferred embodiment, the lateral adjustment mechanism includes a motor 1, a screw rod, a threaded slider 1 and a limit plate, the motor 1 is fixedly mounted on the front side of the mounting plate, the screw rod is fixedly mounted on the driving end of the motor 1, the outer surface of the screw rod is threadedly connected with a threaded slider 1, the front end of the threaded slider 1 is connected to the rear side of the adjustment plate, and the limit plate is fixedly mounted on the front side of the mounting plate.
[0009] In a preferred embodiment, the vertical adjustment mechanism includes a connecting plate, a bearing seat three, a screw, a threaded slider two, a synchronous wheel five, a motor two and a synchronous wheel six, the top surface of the adjustment plate is fixedly installed with a connecting plate, the bottom surface of the connecting plate is fixedly installed with a bearing seat three, the middle part of the bearing seat three is penetrated and fixedly installed with a screw, the outer surface of the screw is threadedly connected with a threaded slider two, the side of the threaded slider two is fixed to one side of the slider, the outer surface of the top end of the screw is fixedly installed with a synchronous wheel five, the bottom surface of the connecting plate is fixedly installed with a motor two, the driving end of the motor two is fixedly installed with a synchronous wheel six, the outer surface of the synchronous wheel six is provided with a transmission belt three, and the synchronous wheel six and the synchronous wheel five are connected with each other through a three-phase transmission belt.
[0010] In a preferred embodiment, a rubber pad is fixedly mounted on the bottom surface of the clamping plate.
[0011] In a preferred embodiment, a support frame is fixedly mounted on the bottom surface of the base.
[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0013] 1. In the present application, due to the adoption of the above-mentioned scheme, the user first inserts the side of the workpiece to be coded into the interior of the U-shaped groove and makes the side of the workpiece located under the clamping plate. At this time, the multiple compression springs and the clamping plate are provided to facilitate the clamping of the workpiece to be coded so that it will not move during the coding process. Then the personnel operate the lateral adjustment mechanism and the vertical adjustment mechanism to adjust the position of the fixed bracket and the inkjet printer head so that the inkjet printer head is close to the surface of the clamped workpiece to be coded. At this time, the personnel control the start of the inkjet printer head so that the inkjet printer head sprays paint according to data processing and control instructions, thereby facilitating the coding operation on the workpiece. The device has an arc structure at both ends of the clamping plate, so that the personnel can push the workpiece to be coded of different thicknesses into the interior of the guide U-shaped groove and clamp and fix it through multiple compression springs and the clamping plate, thereby improving adaptability and facilitating subsequent coding operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of this application;
[0015] Figure 2 This is a schematic diagram of the structure where the adjustment plate of this application is not installed;
[0016] Figure 3 This is a schematic diagram of the clamping plate structure of the present application;
[0017] Figure 4 For this application Figure 4 The enlarged structural diagram at A in the middle;
[0018] Figure 5 This is a schematic diagram of the connecting shaft structure of this application.
[0019] Markings in the figure: 1. Base; 2. Mounting bracket; 3. Mounting plate; 4. Adjustment plate; 5. Horizontal adjustment mechanism; 6. Slide rail; 7. Slider; 8. Fixed bracket; 9. Inkjet printer head; 10. Vertical adjustment mechanism; 11. Support plate; 12. Fixed block; 13. U-shaped groove; 14. Compression spring; 15. Clamping plate; 16. Rotation adjustment mechanism; 17. Bearing seat one; 18. Connecting shaft; 19. Synchronous wheel one; 20. Bearing seat two; 21. Rotating rod; 22. Synchronous wheel two; 23. Servo motor; 24. Synchronous wheel three; 25. Synchronous wheel four; 26. Motor one; 27. Screw; 28. Threaded slider one; 29. Limiting plate; 30. Connecting plate; 31. Bearing seat three; 32. Screw; 33. Threaded slider two; 34. Synchronous wheel five; 35. Motor two; 36. Synchronous wheel six; 37. Rubber pad; 38. Support frame. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0021] refer to Figure 1 , Figure 2 and Figure 3 An online inkjet printer device includes a base 1, a support frame 38 is fixedly installed on the bottom surface of the base 1, two mounting brackets 2 are fixedly installed on the top surface of the base 1, and the top surfaces of the two mounting brackets 2 are provided with mounting plates 3; the support frame 38 is provided to facilitate the support of the base 1, improve the stability, and keep it away from the ground; the mounting bracket 2 is provided to facilitate the installation of the mounting plate 3; the top surface of the mounting bracket 2 is provided with an adjustment mechanism, which can drive the mounting plate 3 to move left and right for adjustment; the adjustment mechanism is a motor-driven ball screw, and when the ball screw rotates, it will drive the mounting plate 3 to move forward and backward, which is convenient for subsequent inkjet operation on the workpiece.
[0022] refer to Figure 1 , Figure 2 and Figure 3An adjusting plate 4 is arranged on the front side of the mounting plate 3, and a lateral adjusting mechanism 5 connected with the adjusting plate 4 is arranged on the front side of the mounting plate 3. Two slide rails 6 are fixedly installed on the front side of the adjusting plate 4, and the top surfaces of the two slide rails 6 are slidably connected with sliders 7, a fixed bracket 8 is fixedly installed on the front side of the slider 7, and a printer head 9 is fixedly installed on the top surface of the fixed bracket 8; the set slider 7 can facilitate the fixed bracket 8 to move up and down, and the set fixed bracket 8 can facilitate the installation and fixation of the printer head 9, so that the inkjet terminal at the bottom of the printer head 9 can move on the surface of the workpiece, and the paint can be sprayed according to data processing and control instructions.
[0023] refer to Figure 1 , Figure 2 and Figure 3 The lateral adjustment mechanism 5 includes a motor 26, a screw rod 27, a threaded slider 28 and a limit plate 29. A motor 26 is fixedly installed on the front side of the mounting plate 3, and a screw rod 27 is fixedly installed on the driving end of the motor 26. The outer surface of the screw rod 27 is threadedly connected with a threaded slider 28. The front end of the threaded slider 28 is connected to the rear side of the adjustment plate 4, and the front side of the mounting plate 3 is fixedly installed with a limit plate 29; the motor 26 drives the screw rod 27 to rotate, so that the threaded slider 28 drives the adjustment plate 4 to move left and right, which is convenient for adjusting the position of the inkjet printer head 9, so that the inkjet printer head 9 can perform inkjet printing operations on different positions of the workpiece. The inner top and bottom surfaces of the limit plate 29 are respectively provided with grooves, and the top and bottom surfaces of the threaded slider 28 are provided with convex blocks corresponding to the grooves, and the convex blocks are inserted into the inside of the grooves, so that when the screw rod 27 rotates, the threaded slider 28 will not rotate.
[0024] refer to Figure 1 , Figure 2 and Figure 3The front side of the adjusting plate 4 is provided with a vertical adjustment mechanism 10 connected to the fixed bracket 8. The vertical adjustment mechanism 10 includes a connecting plate 30, a bearing seat 31, a screw 32, a threaded slider 33, a synchronous wheel 5 34, a motor 35 and a synchronous wheel 6 36. The top surface of the adjusting plate 4 is fixedly installed with a connecting plate 30, the bottom surface of the connecting plate 30 is fixedly installed with a bearing seat 31, a screw 32 is fixedly installed through the middle of the bearing seat 31, the outer surface of the screw 32 is threadedly connected with a threaded slider 33, the side of the threaded slider 33 is fixed to one side of the slider 7, the outer surface of the top end of the screw 32 is fixedly installed with a synchronous wheel 5 34, and the connecting plate 30 is fixedly installed with a bearing seat 31. A motor 2 35 is fixedly installed on the bottom surface of the connecting plate 30, and a synchronous wheel 6 36 is fixedly installed on the driving end of the motor 2 35. A transmission belt 3 is provided on the outer surface of the synchronous wheel 6 36, and the synchronous wheel 6 36 is connected to the synchronous wheel 5 34 through a three-phase transmission belt; through the vertical adjustment mechanism 10 provided, it is convenient to adjust the height of the inkjet printer head 9, and the motor 2 35 drives the synchronous wheel 6 36 to rotate. At this time, the transmission belt 3 drives the synchronous wheel 5 34 and the screw 32 to rotate, so that the threaded slider 2 33 drives the fixed bracket 8 and the inkjet printer head 9 to move up and down, so that the inkjet printer head 9 can be close to the surface of the workpiece, which is convenient for the inkjet printer head 9 to be sprayed on the workpiece.
[0025] refer to Figure 1 , Figure 2 and Figure 3 Two support plates 11 are fixedly installed on the top surface of the base 1, and a fixing block 12 is provided on one side of the two support plates 11 close to each other, and a U-shaped groove 13 is opened on one side of the fixing block 12. A plurality of compression springs 14 are fixedly installed in an array with equal intervals on the inner top surface of the U-shaped groove 13, and a clamping plate 15 is fixedly installed on one end of the plurality of compression springs 14 away from the inner top surface of the U-shaped groove 13, and a rubber pad 37 is fixedly installed on the bottom surface of the clamping plate 15, and a rotation adjustment mechanism 16 connected to the fixing block 12 is provided on one side of the support plate 11; through the setting of the fixing block 12, it is convenient for personnel to insert the side of the workpiece to be coded into the inside of the U-shaped groove 13. When the workpiece to be coded is inserted into the inside of the U-shaped groove 13, the plurality of compression springs 14 and the clamping plate 15 are set at this time, so that the side of the workpiece to be coded is pressed tightly, so that it will not move during the coding process, thereby improving stability.
[0026] refer to Figure 1 , Figure 2 and Figure 3The rotation adjustment mechanism 16 includes a bearing seat 17, a connecting shaft 18, a synchronous wheel 19, a bearing seat 20, a rotating rod 21, a synchronous wheel 22 and a servo motor 23, a synchronous wheel 3 24 and a synchronous wheel 4 25. The two support plates 11 are fixedly installed with a bearing seat 17 on the side close to each other, and a connecting shaft 18 is fixedly installed in the middle of the bearing seat 17. One end of the connecting shaft 18 is fixed to one side of the fixed block 12, and a synchronous wheel 19 is fixedly installed on the outer surface of the end of the connecting shaft 18 away from the fixed block 12; through the set rotation adjustment mechanism 16, it is convenient to drive the fixed block 12 to rotate, so that it is convenient to perform coding operation on both sides of the workpiece to be coded.
[0027] refer to Figure 1 , Figure 2 and Figure 3 The top surface of the base 1 is symmetrically fixed with two bearing seats 20, and the middle of the two bearing seats 20 is penetrated and fixed with a rotating rod 21, and the outer surface of one end of the rotating rod 21 is fixedly installed with a synchronous wheel 22, and the top surface of the base 1 is fixedly installed with a servo motor 23, and the driving end of the servo motor 23 is fixedly installed with a synchronous wheel 3 24, and the outer surface of the synchronous wheel 3 24 is provided with a transmission belt 1, and the synchronous wheel 3 24 is connected to the synchronous wheel 2 22 through a transmission belt 1, and the outer surface of the rotating rod 21 is fixedly installed with a synchronous wheel 22. The outer surfaces of the step wheel four 25 and the synchronous wheel four 25 are provided with a transmission belt two, and the synchronous wheel four 25 is connected to the synchronous wheel one 19 through the transmission belt two; the servo motor 23 drives the synchronous wheel three 24 to rotate, so that it is convenient for the transmission belt one to drive the synchronous wheel two 22 to rotate, so that the rotating rod 21 drives the synchronous wheel four 25, the transmission belt two and the synchronous wheel one 19 to rotate, so that it is convenient for the connecting shaft 18 to drive the fixed block 12 to rotate, so that the workpiece to be coded clamped and fixed in the fixed block 12 is rotated, and the effect of double-sided coding is achieved.
[0028] The implementation principle of an online inkjet printer device embodiment of the present application is as follows: the user first inserts the side of the workpiece to be coded into the inside of the U-shaped groove 13 and makes the side of the workpiece located below the clamping plate 15. At this time, the multiple compression springs 14 and the clamping plate 15 are provided to facilitate the workpiece to be coded to be pressed tightly so that it will not move during the coding process. At this time, the personnel operate the horizontal adjustment mechanism 5 and the vertical adjustment mechanism 10 to adjust the position of the fixed bracket 8 and the inkjet printer head 9 so that the inkjet printer head 9 is close to the surface of the workpiece to be coded that is clamped and clamped. Then the personnel control the inkjet printer head 9 to start so that the inkjet printer head 9 sprays paint according to the data processing and control instructions, thereby facilitating the coding operation on the workpiece. When the workpiece is coded on one side After completion, the personnel can control the servo motor 23 in the rotation adjustment mechanism 16 to start, and the servo motor 23 drives the synchronous wheel three 24, the transmission belt one and the synchronous wheel two 22 to rotate, so that the rotating rod 21 drives the synchronous wheel four 25, the transmission belt two and the synchronous wheel one 19 to rotate, so that it is convenient for the connecting shaft 18 to drive the fixed block 12 to rotate, so that the workpiece to be coded clamped in the fixed block 12 is rotated, and the effect of double-sided coding is achieved. The device has a simple structure and is easy to operate. The two ends of the clamping plate 15 are arc-shaped structures, so that the personnel can push the workpieces to be coded of different thicknesses into the guide U-shaped groove 13 and clamp and fix them through multiple compression springs 14 and the clamping plate 15, thereby improving the adaptability to the workpiece and facilitating subsequent coding operations.
[0029] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An online inkjet printer device, comprising a base (1), characterized in that: Two mounting brackets (2) are fixedly mounted on the top surface of the base (1), and the top surfaces of the two mounting brackets (2) are both provided with mounting plates (3), the front side of the mounting plates (3) is provided with an adjustment plate (4), the front side of the mounting plates (3) is provided with a lateral adjustment mechanism (5) connected to the adjustment plate (4), the front side of the adjustment plate (4) is fixedly mounted with two slide rails (6), and the top surfaces of the two slide rails (6) are both slidably connected with sliders (7), the front side of the sliders (7) is fixedly mounted with a fixed bracket (8), the top surface of the fixed bracket (8) is fixedly mounted with an inkjet printer head (9), the front side of the adjustment plate (4) is provided with A vertical adjustment mechanism (10) connected to the fixed bracket (8), two support plates (11) are fixedly installed on the top surface of the base (1), and a fixed block (12) is provided on the side where the two support plates (11) are close to each other, a U-shaped groove (13) is opened on one side of the fixed block (12), a plurality of compression springs (14) are fixedly installed in an array at equal intervals on the internal top surface of the U-shaped groove (13), and a clamping plate (15) is fixedly installed on one end of the plurality of compression springs (14) away from the internal top surface of the U-shaped groove (13), and a rotation adjustment mechanism (16) connected to the fixed block (12) is provided on one side of the support plate (11).
2. An online inkjet printer device as claimed in claim 1, characterized in that: The rotation adjustment mechanism (16) comprises a bearing seat 1 (17), a connecting shaft (18), a synchronous wheel 1 (19), a bearing seat 2 (20), a rotating rod (21), a synchronous wheel 2 (22) and a servo motor (23), a synchronous wheel 3 (24) and a synchronous wheel 4 (25); the two support plates (11) are fixedly mounted with a bearing seat 1 (17) on the sides close to each other, and a connecting shaft (18) is fixedly mounted through the middle of the bearing seat 1 (17); one end of the connecting shaft (18) is fixed to one side of the fixed block (12); the outer surface of the end of the connecting shaft (18) away from the fixed block (12) is fixedly mounted with a synchronous wheel 1 (19); two bearing seats 2 (20) are symmetrically fixedly mounted on the top surface of the base (1); A rotating rod (21) is fixedly installed in the middle of the two bearing seats (20), and a synchronous wheel (22) is fixedly installed on the outer surface of one end of the rotating rod (21). A servo motor (23) is fixedly installed on the top surface of the base (1), and a synchronous wheel (24) is fixedly installed on the driving end of the servo motor (23). A transmission belt (1) is arranged on the outer surface of the synchronous wheel (24), and the synchronous wheel (24) is connected to the synchronous wheel (22) through the transmission belt (1). A synchronous wheel (25) is fixedly installed on the outer surface of the rotating rod (21), and a transmission belt (2) is arranged on the outer surface of the synchronous wheel (25), and the synchronous wheel (25) is connected to the synchronous wheel (19) through the transmission belt (2).
3. An online inkjet printer device as claimed in claim 1, characterized in that: The lateral adjustment mechanism (5) comprises a motor (26), a screw (27), a threaded slider (28) and a limit plate (29); the motor (26) is fixedly mounted on the front side of the mounting plate (3); the screw (27) is fixedly mounted on the driving end of the motor (26); the outer surface of the screw (27) is threadedly connected to the threaded slider (28); the front end of the threaded slider (28) is connected to the rear side of the adjustment plate (4); and the limit plate (29) is fixedly mounted on the front side of the mounting plate (3).
4. The online inkjet printer device according to claim 1, characterized in that: The vertical adjustment mechanism (10) comprises a connecting plate (30), a bearing seat three (31), a screw (32), a threaded slider two (33), a synchronous wheel five (34), a motor two (35) and a synchronous wheel six (36); the connecting plate (30) is fixedly mounted on the top surface of the adjustment plate (4); the bearing seat three (31) is fixedly mounted on the bottom surface of the connecting plate (30); a screw (32) is fixedly mounted through the middle of the bearing seat three (31); the outer surface of the screw (32) is threadedly connected to a threaded Slider 2 (33), the side of the threaded slider 2 (33) is fixed to one side of the slider (7), the outer surface of the top end of the screw rod (32) is fixedly mounted with a synchronous wheel 5 (34), the bottom surface of the connecting plate (30) is fixedly mounted with a motor 2 (35), the driving end of the motor 2 (35) is fixedly mounted with a synchronous wheel 6 (36), the outer surface of the synchronous wheel 6 (36) is provided with a transmission belt 3, and the synchronous wheel 6 (36) and the synchronous wheel 5 (34) are connected in three phases through a transmission belt.
5. The online inkjet printer device according to claim 1, characterized in that: A rubber pad (37) is fixedly mounted on the bottom surface of the clamping plate (15).
6. An online inkjet printer device as claimed in claim 1, characterized in that: A support frame (38) is fixedly mounted on the bottom surface of the base (1).
Citation Information
Patent Citations
Online ink-jet printer equipment
CN216033229U