Printing device with printing head easy to replace

Abstract

The utility model provides a printing device with a printing head easy to replace, which relates to the technical field of printing devices and comprises a rack, a motor is fixedly mounted on one side of the rack, a rotating roller is fixedly mounted at the output end of the motor, a conveying belt is sleeved on the surface of the rotating roller, and a hydraulic cylinder is fixedly mounted at the top end of the rack. A long plate is fixedly mounted at the output end of the hydraulic cylinder, and a long groove is formed in one side of the long plate. According to the printing device, through the long plate, the long groove, the groove, the circular groove A, the circular groove B, the inserting groove, the long rods, the sliding block, the inserting block, the spring, the printing head, the protruding block, the inserting hole, the inclined groove and other structures, a worker can take down the printing head by pressing the long rods at the two ends of the long plate, and when the printing head is installed, only the protruding block on the top face of the printing head needs to be aligned with the inserting groove in the bottom face of the long plate to be inserted. The printing head can be stably fixed at the bottom end of the long plate, the replacement process is simple, a worker can quickly replace the printing head, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to a printing device with an easy-to-replace printing head. Background Art

[0002] Publication No. CN216804821U discloses a printing device for towel production and processing, which relates to the technical field of towel production equipment, including a machine body, a conveying mechanism, a lint removal mechanism and a printing mechanism. The upper end of the machine body is provided with a conveying mechanism, and a lint removal mechanism is fixedly installed on the upper end of one side of the conveying mechanism. A printing mechanism is fixedly installed near the middle of the conveying mechanism, and the flipping mechanism includes a first rotating member, a first top block, a second rotating member, a hydraulic rod and a third rotating member. Although this printing device has the characteristic of being able to replace the printing head. However, when replacing the printing head of this printing device, it is first necessary to loosen a plurality of threaded rods, and then after installing the printing head, it is necessary to tighten the plurality of threaded rods to fix the printing head before the replacement can be completed. The installation process is cumbersome, causing inconvenience to the staff, and reducing work efficiency, and needs to be improved. Summary of the invention

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a printing device that is easy to replace a printing head, comprising a frame, a motor is fixedly installed on one side of the frame, a roller is fixedly installed on the output end of the motor, a conveyor belt is sleeved on the surface of the roller, a hydraulic cylinder is fixedly installed on the top of the frame, a long plate is fixedly installed on the output end of the hydraulic cylinder, a long groove is opened on one side of the long plate, a groove is opened on the inner side of the long groove, a circular groove A is opened on one side of the groove, a circular groove B is opened on one side of the groove, a slot is opened on the bottom surface of the long plate, a long rod is slidably connected to the inner side of the long groove, a slider is fixedly installed on one side of the long rod, an insert block is fixedly installed on one side of the slider, a spring is fixedly installed on the other side of the slider, a printing head is arranged on the bottom end of the long plate, a convex block is fixedly installed on the top surface of the printing head, a plug hole is opened on one side of the convex block, and an inclined groove is opened on the top of the convex block.

[0005] Preferably, the diameter of the circular groove B is greater than the diameter of the spring. Here, the circular groove B can provide compression space for the spring.

[0006] Preferably, the number of the slots is four groups, and the four groups of slots are evenly distributed on the bottom surface of the long board. Here, the printing head can be fixed firmly at the bottom end of the long board.

[0007] Preferably, the slot is engaged with the protrusion, and the plug is engaged with the jack. Here, the protrusion can be fixed firmly in the slot.

[0008] Preferably, the width of the inclined slot is equal to the diameter of the insertion hole. Here, the insert block can slide into the insertion hole through the inclined slot.

[0009] Preferably, one end of the rotating roller is fixedly mounted with a gear A, the inner side of the frame is rotatably connected with a pressure roller, and one end of the pressure roller is fixedly mounted with a gear B. Here, the towel can be kept flat on the conveyor belt by the pressure roller.

[0010] Preferably, the gear A is meshed with the gear B. Here, the rotation of the gear A can drive the gear B to rotate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by providing the long board, long groove, groove, round groove A, round groove B, slot, long rod, slider, plug, spring, printing head, protrusion, jack, inclined groove and other structures, the staff can remove the printing head by pressing the long rods at both ends of the long board. When installing the printing head, it is only necessary to align the protrusion on the top surface of the printing head with the slot on the bottom surface of the long board and insert it, so that the printing head can be fixed firmly at the bottom end of the long board. The replacement process is simple, so that the staff can quickly replace the printing head, thereby improving work efficiency.

[0013] 2. In the utility model, by setting the gear A, pressure roller, gear B and other structures, the towel can be kept flat on the conveyor belt, ensuring the uniformity of printing on the towel by the printing device and improving the printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a printing device with an easy-to-replace printing head is provided for the utility model;

[0015] Figure 2 The utility model provides a bottom cross-sectional view of a printing device with an easy-to-replace printing head;

[0016] Figure 3 The utility model proposes a printing device with easy replacement of printing head Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 The utility model provides a schematic diagram of a printing head of a printing device which is easy to replace the printing head.

[0018] Legend:

[0019] 1. Frame; 2. Motor; 3. Roller; 4. Conveyor belt; 5. Hydraulic cylinder; 6. Long plate; 7. Long groove; 8. Groove; 9. Round groove A; 10. Round groove B; 11. Slot; 12. Long rod; 13. Slider; 14. Insert block; 15. Spring; 16. Print head; 17. Bump; 18. Socket; 19. Bevel groove; 20. Gear A; 21. Press roller; 22. Gear B. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Example

[0022] See also Figure 1-4The utility model provides a technical solution: a printing device that is easy to replace a printing head, including a frame 1, a motor 2 is fixedly installed on one side of the frame 1, the motor 2 can drive a roller 3 to rotate inside the frame 1, the output end of the motor 2 is fixedly installed with a roller 3, the roller 3 can drive a conveyor belt 4 to move by rotating, the surface of the roller 3 is sleeved with a conveyor belt 4, the conveyor belt 4 is used to transport towels, a hydraulic cylinder 5 is fixedly installed on the top of the frame 1, the hydraulic cylinder 5 can drive a long plate 6 to move up and down, the output end of the hydraulic cylinder 5 is fixedly installed with a long plate 6, a long groove 7 is provided on one side of the long groove 7, a groove 8 is provided on the inner side of the long groove 7, a circular groove A9 is provided on one side of the groove 8, a circular groove B10 is provided on one side of the groove 8, the circular groove B10 can provide compression space for a spring 15, the diameter of the circular groove B10 is larger than the diameter of the spring 15, a slot 11 is provided on the bottom surface of the long plate 6, and the number of the slots 11 is four groups, four groups of slots 11 is evenly distributed on the bottom surface of the long plate 6, the slot 11 is fitted with the protrusion 17, the plug 14 is fitted with the socket 18, the inner side of the long slot 7 is slidably connected with a long rod 12, and the plug 14 can be driven to be received into the circular groove A9 by pressing the long rod 12, a slider 13 is fixedly installed on one side of the long rod 12, and a plug 14 is fixedly installed on one side of the slider 13, and the plug 14 can make the protrusion 17 fixed firmly inside the slot 11, and a spring is fixedly installed on the other side of the slider 13 Spring 15, spring 15 can bounce the plug 14 into the socket 18, a printing head 16 is provided at the bottom end of the long board 6, the printing head 16 is used to print the towel, a protrusion 17 is fixedly installed on the top surface of the printing head 16, a socket 18 is provided on one side of the protrusion 17, the socket 18 can clamp the plug 14, an inclined groove 19 is provided on the top of the protrusion 17, the plug 14 can slide into the socket 18 through the inclined groove 19, and the width of the inclined groove 19 is equal to the diameter of the socket 18. Example

[0023] See also Figure 1 A gear A20 is fixedly installed at one end of the roller 3. The gear A20 can drive the gear B22 to rotate by rotating. The gear A20 is meshed with the gear B22. A pressure roller 21 is rotatably connected to the inner side of the frame 1. The pressure roller 21 can keep the towel flat on the conveyor belt 4. A gear B22 is fixedly installed at one end of the pressure roller 21. The rotation of the gear B22 can drive the pressure roller 21 to rotate.

[0024] Working principle: When the printing head 16 of the printing device needs to be replaced, first press the long rod 12 inside the long groove 7 on both sides of the long plate 6 at the bottom end of the hydraulic cylinder 5 at the top of the frame 1, so that the long rod 12 drives the slider 13 to move inside the groove 8, and the slider 13 drives the plug 14 inside the circular groove A9 to move out from the inside of the socket 18 on the side of the protrusion 17 on the top surface of the printing head 16. Then the printing head 16 can be removed from the bottom end of the long plate 6, and then the protrusion 17 on the top surface of the new printing head 16 is inserted into the slot 11 on the bottom surface of the long plate 6, so that the plug 14 inside the circular groove A9 is squeezed by the oblique groove 19 at the top end of the protrusion 17 and moves toward the inside of the circular groove A9. When the printing head 16 is completely fitted with the long plate 6, the spring 15 inside the circular groove B10 on one side of the groove 8 will automatically rebound to bounce the plug 14 into the socket 18 on the side of the protrusion 17, so that the printing head 16 is fixed firmly at the bottom end of the long plate 6. When the towel is printed, the motor 2 on one side of the frame 1 is first started, so that the motor 2 drives the roller 3 inside the frame 1 and the gear A20 at one end of the roller 3 to rotate, the roller 3 drives the conveyor belt 4 to move, the gear A20 drives the gear B22 to rotate, the gear B22 drives the pressure roller 21 to rotate, and then the towel is placed in the conveyor belt 4 through the middle of the conveyor belt 4 and the pressure roller 21, so that the towel can be kept flat on the conveyor belt 4 by the rotation of the pressure roller 21.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A printing device with an easily replaceable printing head, comprising a frame (1), characterized in that: A motor (2) is fixedly mounted on one side of the frame (1), a roller (3) is fixedly mounted on the output end of the motor (2), a conveyor belt (4) is sleeved on the surface of the roller (3), a hydraulic cylinder (5) is fixedly mounted on the top of the frame (1), a long plate (6) is fixedly mounted on the output end of the hydraulic cylinder (5), a long groove (7) is provided on one side of the long plate (6), a groove (8) is provided on the inner side of the long groove (7), a circular groove A (9) is provided on one side of the groove (8), a circular groove B (10) is provided on one side of the groove (8), and the long plate (6) is provided with a plurality of grooves. ) is provided with a slot (11) on the bottom surface, a long rod (12) is slidably connected to the inner side of the long slot (7), a slider (13) is fixedly mounted on one side of the long rod (12), an insert block (14) is fixedly mounted on one side of the slider (13), a spring (15) is fixedly mounted on the other side of the slider (13), a printing head (16) is provided at the bottom end of the long plate (6), a protrusion (17) is fixedly mounted on the top surface of the printing head (16), a plug hole (18) is provided on one side of the protrusion (17), and an inclined groove (19) is provided on the top of the protrusion (17).

2. The printing device with easily replaceable printing head according to claim 1, characterized in that: The diameter of the circular groove B (10) is greater than the diameter of the spring (15).

3. The printing device with easily replaceable printing head according to claim 1, characterized in that: The number of the slots (11) is four groups, and the four groups of slots (11) are evenly distributed on the bottom surface of the long board (6).

4. The printing device with easily replaceable printing head according to claim 1, characterized in that: The slot (11) is engaged with the protrusion (17), and the insert block (14) is engaged with the insertion hole (18).

5. The printing device with easily replaceable printing head according to claim 1, characterized in that: The width of the inclined groove (19) is equal to the diameter of the insertion hole (18).

6. The printing device with easily replaceable printing head according to claim 1, characterized in that: A gear A (20) is fixedly mounted on one end of the rotating roller (3), a pressure roller (21) is rotatably connected to the inner side of the frame (1), and a gear B (22) is fixedly mounted on one end of the pressure roller (21).

7. The printing device with easily replaceable printing head according to claim 6, characterized in that: The gear A (20) meshes with the gear B (22).

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