CN220363142U - Spray printing mechanism of digital printer - Google Patents

Abstract

The utility model relates to the technical field of jet printers, specifically a jet printing mechanism of a digital printer, which includes a frame and a machine cover fixed on the upper end of the frame; a fixing plate B is provided on the right or left side of the machine cover. A mounting frame B is provided below the fixed plate B. An elastic component A is elastically connected between the mounting frame B and the fixed plate B. A pressure roller is rotatably mounted on the mounting frame B. A fixed plate A is slidably installed on both the front and rear sides of the machine cover. , a power component is installed on the machine cover for driving the two fixed plates A to move closer to or away from each other. A turret A is provided below the fixed plate A. An elastic component B is elastically connected between the turret A and the fixed plate A. The turret There are multiple pressure wheels rotating on A. The utility model can compress and limit the conveyed paper, avoid wrinkles on the surface of the paper, ensure the printing effect of the equipment, and has strong practicability.

Description

A printing mechanism of a digital printing machine

Technical field

The utility model relates to the technical field of jet printers, and in particular to a jet printing mechanism of a digital printer.

Background technique

Digital printing presses, also known as universal flatbed printers or flatbed printers, break through the bottleneck of digital printing technology and achieve a true one-page printing without plate making and full-color images at one time. The printing cost is extremely low and the high-quality printing effect is better than traditional printing. The printing system is economical and convenient.

The Chinese patent with the authorization announcement number CN211031735U discloses a printing mechanism of a digital printer, which includes a printing device, a conveying device, a positioning device and an ink curing device. The printing device includes two groups of front nozzles and rear nozzles. Nozzle, the conveying device includes a conveyor belt and a supporting plate, the supporting plate is arranged below the conveying belt, the conveying belt is provided with a through hole, the supporting plate is provided with a long hole, the supporting plate An exhaust air chamber is provided below, and the through holes and long holes are connected with the exhaust air chamber. A wind shielding plate that rises and falls is provided under the supporting plate. The wind shielding plate is arranged on the front nozzle and the rear nozzle. between the nozzles, and the length of the windshield is no longer than the distance between the front nozzle and the rear nozzle.

The above disclosed patents still have the following technical flaws: they rely on airflow to adsorb paper, which can easily cause the paper to vibrate when the airflow fluctuates, and the continuous output of airflow can easily cause a waste of energy.

Utility model content

The purpose of this utility model is to solve the technical problems existing in the background technology. This utility model proposes a jet printing mechanism of a digital printer.

The technical solution of the present invention: a printing mechanism of a digital printing machine, including a frame and a machine cover fixed on the upper end of the frame; perforations are provided on both sides of the bottom end of the machine cover; the inner right or left side of the machine cover There is a fixing plate B on the side, and a mounting bracket B is set below the fixing plate B. An elastic component A is elastically connected between the mounting bracket B and the fixing plate B. A pressure roller is mounted on the mounting bracket B for rotation. It is useful to install on the mounting bracket B. The servo motor B that drives the pressure roller to rotate; a fixed plate A is slidably installed on both the front and rear sides of the machine cover. A power component for driving the two fixed plates A closer to or away from each other is installed on the machine cover. A power component is installed below the fixed plate A. There is a turret A, and an elastic component B is elastically connected between the turret A and the fixed plate A. A plurality of pressure wheels are mounted on the turret A. Two adjacent pressure wheels are connected by transmission. The turret A is installed on the turret A. There is a servo motor C used to drive the rotation of the pressure roller; two limit baffles are symmetrically arranged in the perforation on one side of the pressure roller, and connecting frames are fixed between the two limit baffles and the fixed plates A on both sides; A printing mechanism is installed on the inside of the machine cover.

Preferably, a drying mechanism is installed inside the machine cover, a fan is installed above the drying mechanism, and an activated carbon filter is installed on the machine cover.

Preferably, the power component includes a servo motor A and a two-way screw rod. A sliding rod is fixed longitudinally on the inside of the machine cover. Both fixed plates A are slidably installed on the sliding rod. The two-way screw rod is rotatably installed on the inside of the machine cover. Each fixed plate A is threadedly connected to the two-way screw rod. The servo motor A is fixed on the outside of the machine cover, and its output shaft is connected to the two-way screw rod.

Preferably, the elastic component A includes a guide rod B, a spring B and a limiting block B, wherein the guide rod B is fixed on the mounting bracket B, and the top end of the guide rod B movablely penetrates the fixed plate B and is fixedly connected to the limiting block B. Spring B is sleeved and installed on guide rod B.

Preferably, the elastic component B includes a guide rod A, a spring A and a limiting block A. The guide rod A is fixed on the turret A. The top end of the guide rod A moves through the fixed plate A and is fixedly connected to the limiting block A. The spring Set A is installed on guide rod A.

Preferably, a sponge strip is fixed on the inside of the turret A, and the sponge strip is in close contact with the plurality of pressure wheels.

Compared with the existing technology, the above technical solution of the present invention has the following beneficial technical effects: the distance between the pressure wheels on both sides can be adjusted through the power assembly A, and the limit baffles on both sides can be driven to move at the same time. , so that paper of different sizes can be limited, the paper to be printed is placed between the two limit baffles, and then the paper is pushed into the inside of the machine cover, and the servo motor B works to drive the pressure roller to rotate, thereby It can drive the paper to one side of the printing mechanism, and at the same time, the pressure roller can flatten the paper. The pressure rollers on both sides can press and limit the two ends of the paper to avoid wrinkles on the surface of the paper. Ensure the printing effect of the equipment; to sum up, the utility model can compress and limit the conveyed paper to avoid wrinkles on the surface of the paper, ensure the printing effect of the equipment, and has strong practicability.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is an exploded view of the utility model.

Figure 3 is a schematic diagram of the partially enlarged structure of A in Figure 2.

Figure 4 is a schematic diagram of the partially enlarged structure at B in Figure 2.

Reference signs: 1. Frame; 2. Machine cover; 201. Perforation; 3. Turret A; 4. Pressure wheel; 5. Drying mechanism; 6. Printing mechanism; 7. Pressure roller; 8. Mounting frame B; 9. Limit baffle; 10. Fixed plate A; 11. Slide rod; 121. Servo motor A; 122. Servo motor B; 123. Servo motor C; 13. Two-way screw; 14. Activated carbon filter; 15. Guide rod A; 16. Spring A; 17. Limiting block A; 18. Fixed plate B; 19. Guide rod B; 20. Spring B; 21. Limiting block B; 22. Connecting frame; 23. Sponge strip.

Detailed ways

As shown in Figures 1 to 4, the utility model proposes a printing mechanism for a digital printer, which includes a frame 1 and a machine cover 2 fixed on the upper end of the frame 1; the bottom end of the machine cover 2 has openings on both sides. There is a perforation 201; a fixing plate B18 is provided on the right or left side of the cover 2, and a mounting bracket B8 is arranged below the fixing plate B18. An elastic component A is elastically connected between the mounting bracket B8 and the fixing plate B18. The mounting bracket B8 A pressure roller 7 is rotatably installed on the machine cover 2, and a servo motor B122 for driving the pressure roller 7 to rotate is installed on the mounting frame B8; a fixed plate A10 is slidably installed on both the front and rear sides of the machine cover 2, and a servo motor B122 is installed on the machine cover 2 for driving two The fixed plates A10 are power components that move toward or away from each other. A turret A3 is provided below the fixed plate A10. An elastic component B is elastically connected between the turret A3 and the fixed plate A10. A plurality of pressure wheels 4 are mounted on the turret A3. , two adjacent pressure rollers 4 are all connected by transmission, and a servo motor C123 for driving the rotation of the pressure roller 4 is installed on the turret A3; two limit baffles are symmetrically provided in the perforation 201 adjacent to the side of the pressure roller 7 9. A connecting frame 22 is fixed between the two limit baffles 9 and the fixing plates A10 on both sides; a printing mechanism 6 is installed on the inside of the machine cover 2 .

A drying mechanism 5 is installed inside the machine cover 2, a fan is installed above the drying mechanism 5, and an activated carbon filter 14 is installed on the machine cover 2.

The power component includes a servo motor A121 and a two-way screw rod 13. A sliding rod 11 is fixed longitudinally on the inside of the machine cover 2. The two fixed plates A10 are both slidingly installed on the slide rod 11. The two-way screw rod 13 is rotatably installed on the machine cover 2. Inside, the two fixing plates A10 are threadedly connected to the two-way screw mandrel 13. The servo motor A121 is fixed on the outside of the machine cover 2, and its output shaft is connected to the two-way screw mandrel 13.

The elastic component A includes a guide rod B19, a spring B20 and a limit block B21. The guide rod B19 is fixed on the mounting bracket B8. The top of the guide rod B19 moves through the fixed plate B18 and is fixedly connected to the limit block B21. The spring B20 is set It is installed on the guide rod B19.

Elastic component B includes a guide rod A15, a spring A16 and a limit block A17. The guide rod A15 is fixed on the turret A3. The top of the guide rod A15 moves through the fixed plate A10 and is fixedly connected to the limit block A17. The spring A16 is set Installed on guide rod A15.

A sponge strip 23 is fixed on the inner side of the turret A3, and the sponge strip 23 is in close contact with the plurality of pressure rollers 4. When ink is stuck on the pressure wheel 4, the pressure wheel 4 rubs against the sponge strip 23 during rotation, thereby erasing the ink on the surface of the pressure wheel 4.

The working principle of the utility model is as follows: the power assembly A can adjust the distance between the pressure wheels 4 on both sides, and at the same time drive the limit baffles 9 on both sides to move, so that paper of different sizes can be limited. Work, place the paper to be printed between the two limit baffles 9, and then push the paper into the inside of the machine cover 2. The servo motor B122 works to drive the pressure roller 7 to rotate, so that the paper can be pushed toward the printing mechanism 6 One side is driven, and the pressure roller 7 can flatten the paper at the same time. The pressure rollers 4 on both sides can compress and limit the two ends of the paper to avoid wrinkles on the surface of the paper, thus ensuring the printing of the equipment. Effect; To sum up, the utility model can compress and limit the conveyed paper, avoid wrinkles on the surface of the paper, ensure the printing effect of the equipment, and has strong practicability.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the utility model is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, the utility model can also be implemented without departing from the purpose of the present utility model. Make various changes.

Claims (6)

1. The jet printing mechanism of the digital printer is characterized by comprising a frame (1) and a cover (2) fixed at the upper end of the frame (1); perforations (201) are formed on two sides of the bottom end of the machine cover (2); a fixed plate B (18) is arranged on the right side or the left side of the inside of the cover (2), a mounting frame B (8) is arranged below the fixed plate B (18), an elastic component A is elastically connected between the mounting frame B (8) and the fixed plate B (18), a press roller (7) is rotatably arranged on the mounting frame B (8), and a servo motor B (122) for driving the press roller (7) to rotate is arranged on the mounting frame B (8); the front side and the rear side of the inside of the machine cover (2) are respectively provided with a fixed plate A (10) in a sliding manner, the machine cover (2) is provided with a power assembly for driving the two fixed plates A (10) to be close to or far away from each other, a rotating frame A (3) is arranged below the fixed plates A (10), an elastic assembly B is elastically connected between the rotating frame A (3) and the fixed plates A (10), a plurality of pressing wheels (4) are rotatably arranged on the rotating frame A (3), two adjacent pressing wheels (4) are in transmission connection, and a servo motor C (123) for driving the pressing wheels (4) to rotate is arranged on the rotating frame A (3); two limit baffles (9) are symmetrically arranged in the perforation (201) adjacent to one side of the press roller (7), and a connecting frame (22) is fixed between the two limit baffles (9) and the fixed plates A (10) at two sides; the inner side of the cover (2) is provided with a jet printing mechanism (6).

2. The jet printing mechanism of a digital printer according to claim 1, wherein a drying mechanism (5) is installed on the inner side of the cover (2), a fan is installed above the drying mechanism (5), and an activated carbon filter screen (14) is installed on the cover (2).

3. The jet printing mechanism of a digital printer according to claim 1, wherein the power assembly comprises a servo motor a (121) and a bidirectional screw rod (13), a sliding rod (11) is fixedly arranged on the inner side of the machine cover (2) along the longitudinal direction, two fixing plates a (10) are both slidably mounted on the sliding rod (11), the bidirectional screw rod (13) is rotatably mounted on the inner side of the machine cover (2), the two fixing plates a (10) are both in threaded connection with the bidirectional screw rod (13), the servo motor a (121) is fixed on the outer side of the machine cover (2), and an output shaft of the servo motor a is connected with the bidirectional screw rod (13).

4. The jet printing mechanism of a digital printer according to claim 1, wherein the elastic component A comprises a guide rod B (19), a spring B (20) and a limiting block B (21), wherein the guide rod B (19) is fixed on the mounting frame B (8), the top end of the guide rod B (19) movably penetrates through the fixing plate B (18) and is fixedly connected with the limiting block B (21), and the spring B (20) is sleeved on the guide rod B (19).

5. The jet printing mechanism of a digital printer according to claim 1, wherein the elastic component B comprises a guide rod A (15), a spring A (16) and a limiting block A (17), wherein the guide rod A (15) is fixed on the rotating frame A (3), the top end of the guide rod A (15) movably penetrates through the fixed plate A (10) and is fixedly connected with the limiting block A (17), and the spring A (16) is sleeved on the guide rod A (15).

6. The jet printing mechanism of a digital printer according to claim 1, wherein a sponge strip (23) is fixed on the inner side of the rotating frame a (3), and the sponge strip (23) is tightly attached to the plurality of pressing wheels (4).