Flexible printing machine adjusting device with high precision and stable printing pressure

Abstract

The flexographic printing machine adjusting device comprises a frame, the bottom ends of the two sides of the inner wall of the frame are rotationally connected with first rotating shafts through first bearings, the surfaces of the first rotating shafts are fixedly sleeved with impressing rollers, and the tops of the two sides of the inner wall of the frame are fixedly connected with transverse plates. The surfaces of the two transverse plates are rotationally connected with threaded rods through second bearings, the bottoms of the two threaded rods are in threaded connection with lifting cylinders, the bottoms of the two lifting cylinders are rotationally connected with second rotating shafts through third bearings, the surfaces of the second rotating shafts are fixedly sleeved with printing plate rollers, and the tops of the two sides of the inner wall of the frame are rotationally connected with transmission shafts through fourth bearings. According to the flexographic printing machine adjusting device with the high precision and the stable printing pressure, the printing pressure of a flexographic printing machine can be adjusted more rapidly and accurately, the position of the printing plate roller can be locked through the locking mechanism, the situation of displacement caused by vibration and the like is avoided, and the flexographic printing machine adjusting device is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of flexographic printing machines, in particular to an adjusting device for a flexographic printing machine with high-precision and stable printing pressure. Background Art

[0002] A flexographic printing press is a type of printing equipment commonly used for printing packaging materials, and its characteristic is the use of a flexible printing plate.

[0003] Flexographic printing presses often adjust the printing pressure by moving the position of the plate roller, but the existing flexographic printing press adjustment device has the following disadvantages:

[0004] The existing flexographic printing machine adjustment device is troublesome to operate when manually adjusting the plate roller position, and cannot accurately adjust to the required pressure;

[0005] The existing adjustment device of the flexographic printing machine lacks a locking structure. After being used for a period of time, the position of the plate roller is easily displaced due to vibration. Utility Model Content

[0006] The utility model aims to provide a high-precision and stable printing pressure adjusting device for a flexographic printing machine, so as to solve the problems in the prior art of manually adjusting the position of the plate roller of the existing flexographic printing machine adjusting device, which is cumbersome to operate and cannot be accurately adjusted to the required pressure; the flexographic printing machine adjusting device lacks a locking structure, and after being used for a period of time, the position of the plate roller is easily displaced due to vibration.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision printing pressure and stable flexographic printing machine adjustment device, comprising a frame, the bottom ends of both sides of the inner wall of the frame are rotatably connected with a rotating shaft 1 through a bearing 1, the surface of the rotating shaft 1 is fixedly sleeved with a printing roller, the tops on both sides of the inner wall of the frame are fixedly connected with cross plates, the surfaces of the two cross plates are rotatably connected with threaded rods through bearings 2, the bottoms of the two threaded rods are threadedly connected with lifting cylinders, the bottoms of the two lifting cylinders are rotatably connected with the rotating shaft 2 through bearings 3, the surface of the rotating shaft 2 is fixedly sleeved with a printing plate roller, the tops on both sides of the inner wall of the frame are rotatably connected with a transmission shaft through bearings 4, one end of the transmission shaft passes through the outer wall of the frame and is fixedly connected with a turntable, and the top of the frame close to the turntable is connected with a locking mechanism.

[0008] When a high-precision printing pressure-stable flexographic printing machine adjustment device of the technical solution is used, the printing pressure adjustment of the flexographic printing machine is faster and more accurate, and a locking mechanism is provided to lock the position of the printing plate roller, which will not be displaced due to vibration and the like, and is more stable.

[0009] As a preferred technical solution of the utility model, an indicator light is fixedly installed on one side of the top of the frame, a connecting plate is fixedly connected to the bottom of both sides of the inner wall of the frame, a pressure switch is fixedly installed on the top of the connecting plate, and the indicator light is electrically connected to an external power supply through the pressure switch. The pressure switch is used to control the on and off of the indicator light.

[0010] As a preferred technical solution of the utility model, bevel gears 1 are fixedly sleeved on both sides of the transmission shaft surface, bevel gears 2 are fixedly connected to the top ends of the two threaded rods, and the bottom of bevel gear 1 is meshed with bevel gear 2. The meshed bevel gears play a transmission role.

[0011] As a preferred technical solution of the utility model, the middle parts of both sides of the inner wall of the frame are fixedly connected with slide rails, and the middle parts of the two lifting cylinders on the opposite sides are fixedly connected with sliders, and the sliders are slidably connected to the surface of the slide rails. The sliders and the slide rails guide and limit the movement of the lifting cylinders.

[0012] As a preferred technical solution of the utility model, the locking mechanism includes a connection box, a spring and a locking block, the connection box is fixedly connected to the top of the frame, the inner wall of the connection box is fixedly connected to the spring, one end of the spring is fixedly connected to the locking block, and a plurality of locking holes are evenly opened on the surface of the turntable. The locking block will be pushed outward under the action of the spring.

[0013] As a preferred technical solution of the utility model, one end of the locking block is plugged into one of the locking holes. The locking block is plugged into the locking hole to limit the rotation of the turntable.

[0014] As a preferred technical solution of the utility model, a driving motor is fixedly installed at the bottom end of the frame away from the turntable, and the output end of the driving motor is fixedly connected to one end of the rotating shaft. The driving motor drives the embossing roller to rotate.

[0015] As a preferred technical solution of the utility model, the side wall of the turntable is provided with anti-skid patterns, which prevent the hand from slipping when the turntable is turned.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By rotating the turntable to drive the transmission shaft to rotate, it can eventually drive the lifting cylinders on both sides and the printing plate roller to rise and fall vertically, adjust the printing pressure, and is equipped with a pressure switch. When the set pressure is detected, the indicator light will be controlled to light up, and the turntable will stop rotating after the observation light is on, thereby making the printing pressure adjustment of the flexographic printing machine faster and more accurate;

[0018] 2. By providing a locking mechanism at the turntable for adjusting the printing pressure, after the adjustment is completed, the locking block in the connecting box will pop out under the action of the spring and engage with the locking hole on the turntable, thereby locking the position of the printing plate roller and preventing displacement due to vibration and other factors, making it more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the lifting cylinder of the utility model;

[0021] Figure 3 It is a cross-sectional view of the locking mechanism of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the turntable of the utility model.

[0023] In the figure: 1. frame; 2. embossing roller; 3. driving motor; 4. transmission shaft; 5. turntable; 6. bevel gear one; 7. cross plate; 8. bevel gear two; 9. threaded rod; 10. lifting cylinder; 11. plate roller; 12. slider; 13. slide rail; 14. connecting plate; 15. pressure switch; 16. locking mechanism; 161. connecting box; 162. spring; 163. locking block; 17. locking hole; 18. anti-slip pattern; 19. indicator light; 20. rotating axis one; 21. rotating axis two. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a high-precision printing pressure stable flexographic printing machine adjustment device, including a frame 1, the bottom ends of both sides of the inner wall of the frame 1 are rotatably connected with a rotating shaft 20 through a bearing 1, and a embossing roller 2 is fixedly sleeved on the surface of the rotating shaft 20 to apply printing pressure, and the tops of both sides of the inner wall of the frame 1 are fixedly connected with horizontal plates 7, and the surfaces of the two horizontal plates 7 are rotatably connected with threaded rods 9 through bearings 2, and the bottoms of the two threaded rods 9 are threadedly connected with lifting cylinders 10, and the bottoms of the two lifting cylinders 10 are rotatably connected with a rotating shaft 21 through bearings 3, and a printing plate roller 11 is fixedly sleeved on the surface of the rotating shaft 21 for printing patterns, and the tops of both sides of the inner wall of the frame 1 are rotatably connected with a transmission shaft 4 through bearings 4, and one end of the transmission shaft 4 passes through the outer wall of the frame 1 and is fixedly connected with a turntable 5 for adjusting the roller position, and the top of the frame 1 close to the turntable 5 is connected with a locking mechanism 16.

[0026] When in use, the drive shaft 4 is rotated by rotating the turntable 5, and finally the lifting cylinders 10 on both sides and the printing plate roller 11 can be vertically lifted and lowered to adjust the printing pressure. By providing a locking mechanism 16 at the turntable 5 for adjusting the printing pressure, the turntable 5 can be locked, so that the printing plate roller 11 will not be displaced due to vibration and the like, and the printing plate roller 11 is more stable.

[0027] An indicator light 19 is fixedly installed on one side of the top of the frame 1, and a connecting plate 14 is fixedly connected to the bottom of both sides of the inner wall of the frame 1. A pressure switch 15 is fixedly installed on the top of the connecting plate 14, and the indicator light 19 is electrically connected to the external power supply through the pressure switch 15 to control the operation. Bevel gears 16 are fixedly sleeved on both sides of the surface of the transmission shaft 4, and bevel gears 8 are fixedly connected to the tops of the two threaded rods 9, and the bottom of the bevel gear 16 is meshed with the bevel gear 28 for transmission. The middle parts of both sides of the inner wall of the frame 1 are fixedly connected with slide rails 13, and the middle parts of the opposite sides of the two lifting cylinders 10 are fixedly connected with sliders 12, and the sliders 12 are slidably connected to the surface of the slide rails 13 to play a guiding role. The side walls of the turntable 5 are provided with anti-slip grooves 18 to improve the anti-slip performance.

[0028] When in use, when the transmission shaft 4 rotates, the bevel gear 1 6 and the bevel gear 2 8 cooperate to drive the threaded rod 9 to rotate. Since the bottom of the threaded rod 9 is threadedly connected with the lifting cylinder 10, and under the guidance of the slider 12 and the slide rail 13, the lifting cylinders 10 on both sides and the printing plate roller 11 can be vertically lifted and lowered. A pressure switch 15 is provided. When the set pressure is detected, the indicator light 19 will be controlled to light up, which serves as a reminder. The anti-slip pattern 18 is provided to prevent the turntable 5 from slipping when held by hand.

[0029] The locking mechanism 16 includes a connection box 161, a spring 162 and a locking block 163. The connection box 161 is fixedly connected to the top of the frame 1. The inner wall of the connection box 161 is fixedly connected to the spring 162. One end of the spring 162 is fixedly connected to the locking block 163. A plurality of locking holes 17 are evenly provided on the surface of the turntable 5. One end of the locking block 163 is plugged into one of the locking holes 17 to play a locking role. The bottom end of the frame 1 away from the turntable 5 is fixedly installed with a drive motor 3, and the output end of the drive motor 3 is fixedly connected to one end of the rotating shaft 20 for transmission.

[0030] When in use, the driving motor 3 drives the impression roller 2 to rotate and cooperates with the printing plate roller 11 to transfer the ink on the printing plate to the substrate. A locking mechanism 16 is provided at the turntable 5 for adjusting the printing pressure. After the adjustment is completed, the locking block 163 in the connecting box 161 will pop out under the action of the spring 162 and engage with the locking hole 17 on the turntable 5, thereby locking the position of the printing plate roller 11 and preventing displacement due to vibration or the like.

[0031] When used specifically, the utility model is a high-precision printing pressure stable flexographic printing machine adjustment device, in which the driving motor 3 drives the impression roller 2 to rotate, and cooperates with the printing plate roller 11 to transfer the ink on the printing plate to the substrate, and drives the transmission shaft 4 to rotate by rotating the turntable 5, and under the cooperation of the bevel gear 1 6 and the bevel gear 2 8, the threaded rod 9 can be driven to rotate. Since the bottom of the threaded rod 9 is threadedly connected with the lifting cylinder 10, and under the guidance of the slider 12 and the slide rail 13, the lifting cylinders 10 on both sides and the printing plate roller 11 can be vertically lifted and lowered to adjust the printing pressure, and a pressure switch is provided. Switch 15, when the set pressure is detected, the indicator light 19 will be controlled to light up, and the turntable 5 will stop rotating after the observation light is on, thereby making the printing pressure adjustment of the flexographic printing machine faster and more accurate. The pressure switch 15 model is CX20AJ2TN1210, and a locking mechanism 16 is provided at the turntable 5 for adjusting the printing pressure. After the adjustment is completed, the locking block 163 in the connecting box 161 will pop out under the action of the spring 162 and engage with the locking hole 17 on the turntable 5, thereby locking the position of the printing plate roller 11, and will not be displaced due to vibration and the like, and is more stable.

Claims

1. A high-precision printing pressure-stabilized flexographic printing machine adjustment device, comprising a frame (1), characterized in that: The bottom ends of both sides of the inner wall of the frame (1) are rotatably connected to a rotating shaft (20) via a bearing (1); a printing roller (2) is fixedly sleeved on the surface of the rotating shaft (20); the tops of both sides of the inner wall of the frame (1) are fixedly connected to a horizontal plate (7); the surfaces of the two horizontal plates (7) are rotatably connected to threaded rods (9) via bearings (2); the bottoms of the two threaded rods (9) are threadedly connected to a lifting cylinder (10); the bottoms of the two lifting cylinders (10) are rotatably connected to a rotating shaft (21) via bearings (3); a printing plate roller (11) is fixedly sleeved on the surface of the rotating shaft (21); the tops of both sides of the inner wall of the frame (1) are rotatably connected to a transmission shaft (4) via bearings (4); one end of the transmission shaft (4) passes through the outer wall of the frame (1) and is fixedly connected to a turntable (5); the top of the frame (1) close to the turntable (5) is connected to a locking mechanism (16).

2. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: An indicator light (19) is fixedly mounted on one side of the top of the frame (1), a connecting plate (14) is fixedly connected to the bottom of both sides of the inner wall of the frame (1), a pressure switch (15) is fixedly mounted on the top of the connecting plate (14), and the indicator light (19) is electrically connected to an external power source via the pressure switch (15).

3. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: Bevel gear one (6) is fixedly sleeved on both sides of the surface of the transmission shaft (4), the top ends of the two threaded rods (9) are fixedly connected with bevel gear two (8), and the bottom of the bevel gear one (6) is meshed with bevel gear two (8).

4. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: The middle parts of both sides of the inner wall of the frame (1) are fixedly connected with slide rails (13), the middle parts of the opposite sides of the two lifting cylinders (10) are fixedly connected with sliders (12), and the sliders (12) are slidably connected to the surfaces of the slide rails (13).

5. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: The locking mechanism (16) comprises a connection box (161), a spring (162) and a locking block (163); the connection box (161) is fixedly connected to the top of the frame (1); the inner wall of the connection box (161) is fixedly connected to the spring (162); one end of the spring (162) is fixedly connected to the locking block (163); and a plurality of locking holes (17) are evenly provided on the surface of the rotating disk (5).

6. The high-precision printing pressure-stabilized flexographic printing machine adjustment device according to claim 5, characterized in that: One end of the locking block (163) is plugged into one of the locking holes (17).

7. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: A driving motor (3) is fixedly mounted on the bottom end of the frame (1) on the side away from the turntable (5), and the output end of the driving motor (3) is fixedly connected to one end of the rotating shaft (20).

8. The high-precision printing pressure-stabilized flexographic printing press adjustment device according to claim 1, characterized in that: The side wall of the rotating disk (5) is provided with anti-slip grooves (18).

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