CN213733973U

CN213733973U - Printing pressure adjusting mechanism of flexographic printing machine

Info

Publication number: CN213733973U
Application number: CN202021621618.7U
Authority: CN
Inventors: 杨永平
Original assignee: Beijing Ziruili Printing Co ltd
Current assignee: Beijing Ziruili Printing Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-07-20
Anticipated expiration: 2030-08-06

Abstract

A printing pressure adjusting mechanism of a flexographic printing machine comprises a bottom plate, a U-shaped seat and a locking module, wherein a left vertical plate is arranged on the left side of the upper end of the bottom plate, a right vertical plate is arranged on the right side of the upper end of the bottom plate, the upper ends of the left vertical plate and the right vertical plate are jointly supported and connected with a top plate, an auxiliary conveying rod is rotatably connected to the lower side of one end, opposite to the left vertical plate and the right vertical plate, of the left vertical plate, the middle of one end, opposite to the right vertical plate, of the left vertical plate is connected with a limiting slide rod through a fixed seat, limiting slide sleeves are arranged at the left end and the right; the device has the advantages of high printing pressure adjustment speed and precision, convenience for finding the required definition of the printed pattern faster and better, no need of additional tools, simplicity and convenience in operation, capability of avoiding the damage caused by the clamping of foreign matters, reduction of failure rate, and fixation, firmness, avoidance of the change of pressure during the operation of equipment and influence on printing quality.

Description

Printing pressure adjusting mechanism of flexographic printing machine

Technical Field

The utility model relates to a printing machine equipment technical field especially relates to a flexographic printing machine printing pressure guiding mechanism.

Background

The flexographic printing machine uses fluid ink with strong fluidity, the ink is transferred to the image-text part of the printing plate by the ink fountain rubber roll and the anilox ink roller and is inked, then printing pressure is applied by the pressure roller, the ink on the printing plate is transferred to a printing stock, and finally the printing process is finished through a drying surface; the printing part is the core of the flexographic printing machine, and the arrangement mode of the printing part directly influences the operation performance, the quality of printed products, the printing speed and the application range of printing. The flexographic printing machine can be divided into three types of laminating type, satellite type and unit type according to the arrangement mode of a printing part, and mainly comprises four components, namely an uncoiling feeding component, a printing component, a drying component and a rewinding receiving component.

At present, current flexographic printing machine is because the raw materials thickness of waiting to print differs, in order better that the perfect demonstration of printing pattern comes out, need use the instrument to carry out careful regulation usually, and the process is complicated to consume for a long time, influences production efficiency, and the printing rod does not possess the buffering space simultaneously, can appear the foreign matter occasionally on the raw materials, leads to the printing rod to damage easily, influences going on of production, and along with some vibrations in the printing machine course, long-term vibration makes printing pressure change easily, influences printing quality. In order to solve the problems, the application provides a printing pressure adjusting mechanism of a flexographic printing machine.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a flexographic printing machine printing pressure guiding mechanism, this device printing pressure adjusts the fast precision height, is convenient for faster better find the required definition of printing pattern, need not extra instrument, and easy operation is convenient, can avoid blocking the foreign matter and damage, reduces the fault rate, and fixed firm pressure change when avoiding equipment operation, influences the printing quality.

(II) technical scheme

In order to solve the problems, the utility model provides a printing pressure adjusting mechanism of a flexographic printing machine, which comprises a bottom plate, a U-shaped seat and a locking module, wherein the left side of the upper end of the bottom plate is provided with a left vertical plate, the right side of the upper end of the bottom plate is provided with a right vertical plate, the upper ends of the left vertical plate and the right vertical plate are commonly supported and connected with a top plate, the lower side of the opposite end of the left vertical plate and the right vertical plate is rotatably connected with an auxiliary conveying rod, the middle part of the opposite end of the left vertical plate and the right vertical plate is respectively connected with a limit slide rod through a fixed seat, the left end and the right end of the U-shaped seat are respectively provided with a limit slide sleeve, the U-shaped seat is slidably connected with the limit slide rod through the limit slide sleeve, the middle part of the U-shaped seat is rotatably connected with a printing rod through a bearing, the left side and the right side of the upper end of the U-shaped seat are respectively provided with a rectangular moving rod, the top plate is respectively penetrated through the top plate, the upper end of the left vertical plate and the right vertical plate is rotatably connected with a rotating shaft, the right vertical plate is connected with a speed reducing fluted disc, the upper side of the right end of the right vertical plate is rotatably connected with a second gear through a rotating shaft, the second gear is meshed with a speed reduction fluted disc, the edge of the right end of the second gear is provided with a crank, and the right part of the top plate is provided with a locking module.

Preferably, the upper part and the lower part of the limiting sliding rod and the positions of the upper side and the lower side of the limiting sliding sleeve are both sleeved with buffer springs.

Preferably, U type seat upper portion is provided with the oil brush, and U type seat upper end left side and right side are provided with the dye box, and the dye box passes through the conveying pipe and connects the oil brush.

Preferably, the middle part of the front end of the rectangular moving rod is provided with a rack and pinion, the left side and the right side of the rotating shaft are provided with first gears, and the first gears are respectively meshed with the rack and pinion.

Preferably, the locking module comprises a fixed sleeve, a pull rod, a pull ring, a pressure spring, an arc-shaped plate and anti-slip rubber, the pull rod is slidably connected inside the fixed sleeve, the pull rod upper end is connected with the pull ring through the fixed sleeve, the pull rod lower end is connected with the arc-shaped plate through the fixed sleeve, the anti-slip rubber is arranged at the lower end of the arc-shaped plate, and the middle of the pull rod is connected with the pressure spring through a limiting block.

The above technical scheme of the utility model has following profitable technological effect: when the device works, the crank drives the second gear to rotate, and further drives the speed reduction fluted disc to rotate slowly, so that the adjustment precision is improved, the definition required by the printed pattern can be found more quickly and better, the speed reduction fluted disc drives the rotating shaft to rotate, the two rectangular moving rods are driven to move downwards by the first gear and the gear teeth strip, so that the printing roller is close to the auxiliary conveying roller, the printing pressure is adjusted conveniently and quickly, no additional tool is needed, the buffer spring provides a certain buffer space, the situation that the printing roller and the auxiliary conveying roller are damaged due to the fact that foreign matters are on a material to be printed and cause the foreign matters to be clamped is avoided, the fault rate is reduced, after the adjustment is finished, the pull ring pressure spring is loosened, the pull rod is driven to move downwards through the limiting block, the rotating shaft is fixed through the locking module, therefore, the phenomenon that the U-shaped seat moves upwards due to bumping and vibration when the equipment runs, pressure changes and printing quality is affected can be avoided.

Drawings

Fig. 1 is a schematic structural view of a printing pressure adjusting mechanism of a flexographic printing machine according to the present invention.

Fig. 2 is a schematic structural diagram of a locking module in a printing pressure adjusting mechanism of a flexographic printing machine according to the present invention.

Reference numerals: 1. a base plate; 2. a left vertical plate; 3. a right vertical plate; 4. a top plate; 5. an auxiliary transfer roller; 6. a fixed seat; 7. a limiting slide bar; 8. a U-shaped seat; 9. a limiting sliding sleeve; 10. a buffer spring; 11. a printing roller; 12. oil brushing; 13. a cartridge; 14. a rectangular travel bar; 15. a rack and pinion; 16. a rotating shaft; 17. a first gear; 18. a speed reduction fluted disc; 19. a second gear; 20. a crank; 21. a locking module; 2101. fixing a sleeve; 2102. a pull rod; 2103. a pull ring; 2104. a pressure spring; 2105. an arc-shaped plate; 2106. and (3) anti-skid rubber.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, the utility model provides a flexographic printing machine printing pressure adjustment mechanism, including bottom plate 1, U type seat 8 and locking module 21, bottom plate 1 upper end left side is provided with left riser 2, bottom plate 1 upper end right side is provided with right riser 3, left riser 2 and right riser 3 upper end support jointly and are connected with roof 4, left riser 2 and right riser 3 relative one end downside rotate connect with supplementary conveying rod 5, left riser 2 and right riser 3 relative one end middle part all is connected with spacing slide bar 7 through fixing base 6, U type seat 8 left end and right-hand member all are provided with spacing sliding sleeve 9, U type seat 8 passes through spacing sliding sleeve 9 sliding connection spacing slide bar 7, spacing slide bar 7 upper portion and lower part and lie in spacing sliding sleeve 9 upper and lower both sides department cover and are equipped with buffer spring 10;

the middle part of the U-shaped seat 8 is rotatably connected with a printing stick 11 through a bearing, the upper part of the U-shaped seat 8 is provided with an oil brush 12, the left side and the right side of the upper end of the U-shaped seat 8 are provided with dye boxes 13, the dye boxes 13 are connected with the oil brush 12 through a feeding pipe, the left side and the right side of the upper end of the U-shaped seat 8 are both provided with rectangular moving rods 14, the upper ends of the rectangular moving rods 14 penetrate through the top plate 4, the middle part of the front end of each rectangular moving rod 14 is provided with a rack 15, the left side and the right side of each rotating shaft 16 are both provided with first gears 17, the first gears 17 are respectively meshed with and connected with the rack gears 15, the upper sides of the opposite ends of the left vertical plate 2 and the right vertical plate 3 are rotatably connected with the rotating shaft 16, the right end of the rotating shaft 16 penetrates through the right vertical plate 3 and is connected with a speed reduction fluted disc 18, the upper side of the right end of the right vertical plate 3 is rotatably connected with a second gear 19 through the rotating shaft, the second gear 19 is meshed with the speed reduction fluted disc 18, and the edge of the right end of the second gear 19 is provided with a crank 20;

a locking module 21 is arranged at the right part of the top plate 4, the locking module 21 comprises a fixed sleeve 2101, a pull rod 2102, a pull ring 2103, a pressure spring 2104, an arc-shaped plate 2105 and anti-skid rubber 2106, the pull rod 2102 is connected inside the fixed sleeve 2101 in a sliding mode, the pull ring 2103 is connected to the upper end of the pull rod 2102 in a penetrating mode through the fixed sleeve 2101, the arc-shaped plate 2105 is connected to the lower end of the pull rod 2102 in a penetrating mode through the fixed sleeve 2101, the anti-skid rubber 2106 is arranged at the lower end of the arc-shaped plate 2105, and the pressure spring 2104 is connected to the middle part of the pull rod 2102 through a limiting block;

when the device works, the auxiliary conveying roller 5 drives cloth or paper to move, then dye in a dye box 13 is coated on the printing roller 11 through the oil brush 12, the pull ring 2103 is pulled to start adjustment, the crank 20 drives the second gear 19 to rotate, and further drives the speed reduction fluted disc 18 to slowly rotate, so that the adjustment precision is improved, the definition required by a printing pattern can be found more quickly and better, the speed reduction fluted disc 18 drives the rotating shaft 16 to rotate, the two rectangular moving rods 14 are driven to move downwards through the first gear 17 and the wheel rack 15, the U-shaped seat 8 is driven to move downwards along the limiting sliding rod 7, the printing roller 11 is close to the auxiliary conveying roller 5, the printing pressure is adjusted, the adjustment is convenient and quick, and no additional tool is needed;

under buffer spring 10's effect, provide certain buffering space, avoid waiting to have the foreign matter to lead to printing rod 11 and supplementary conveying rod 5 to block the foreign matter and damage on the printing material, help reducing the fault rate, and adjust the back that finishes, it drives pull rod 2102 and moves down through the stopper to loosen pull ring 2103 pressure spring 2104, move down fixed rotation axis 16 through arc 2105, the multiplicable frictional force of antiskid rubber 2106 further avoids rotation axis 16 to rotate, jolt vibration when can avoiding equipment operation from this leads to U type seat 8 to shift up, pressure changes, influence printing quality.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A printing pressure adjusting mechanism of a flexographic printing machine is characterized by comprising a bottom plate (1), a U-shaped seat (8) and a locking module (21); a left vertical plate (2) is arranged on the left side of the upper end of a bottom plate (1), a right vertical plate (3) is arranged on the right side of the upper end of the bottom plate (1), a top plate (4) is jointly supported and connected to the upper ends of the left vertical plate (2) and the right vertical plate (3), an auxiliary conveying rod (5) is rotatably connected to the lower side of the opposite end of the left vertical plate (2) and the right vertical plate (3), a limiting slide rod (7) is connected to the middle part of the opposite end of the left vertical plate (2) and the right vertical plate (3) through a fixing seat (6), limiting slide sleeves (9) are respectively arranged at the left end and the right end of a U-shaped seat (8), the U-shaped seat (8) is slidably connected to the limiting slide rod (7) through the limiting slide sleeves (9), a printing rod (11) is rotatably connected to the middle part of the U-shaped seat (8) through bearings, rectangular moving rods (14) are respectively arranged on the left side and the right side of the upper end of the U-shaped seat (8), and the upper end of the rectangular moving rods (14) all penetrate through the top plate (4), the upper side of the opposite end of the left vertical plate (2) and the right vertical plate (3) is rotatably connected with a rotating shaft (16), the right end of the rotating shaft (16) penetrates through the right vertical plate (3) to be connected with a speed reduction fluted disc (18), the upper side of the right end of the right vertical plate (3) is rotatably connected with a second gear (19) through the rotating shaft, the second gear (19) is meshed with the speed reduction fluted disc (18), the edge of the right end of the second gear (19) is provided with a crank (20), and the right part of the top plate (4) is provided with a locking module (21).

2. The printing pressure adjusting mechanism of the flexographic printing machine according to claim 1, characterized in that the upper and lower parts of the limit slide bar (7) and the upper and lower sides of the limit slide sleeve (9) are sleeved with buffer springs (10).

3. The printing pressure adjusting mechanism of the flexographic printing machine according to claim 1, characterized in that the upper part of the U-shaped seat (8) is provided with an oil brush (12), the left side and the right side of the upper end of the U-shaped seat (8) are provided with a dye box (13), and the dye box (13) is connected with the oil brush (12) through a feeding pipe.

4. The printing pressure adjusting mechanism of the flexographic printing machine according to claim 1, characterized in that the rectangular moving rod (14) is provided with a rack and pinion (15) at the middle of the front end thereof, the rotating shaft (16) is provided with a first gear (17) at the left side and the right side thereof, and the first gear (17) is respectively engaged with the rack and pinion (15).

5. The flexographic printing press printing pressure adjusting mechanism according to claim 1, wherein the locking module (21) comprises a fixed sleeve (2101), a pull rod (2102), a pull ring (2103), a pressure spring (2104), an arc-shaped plate (2105) and an anti-slip rubber (2106), the pull rod (2102) is slidably connected inside the fixed sleeve (2101), the pull ring (2103) is connected to the upper end of the pull rod (2102) through the fixed sleeve (2101), the arc-shaped plate (2105) is connected to the lower end of the pull rod (2102) through the fixed sleeve (2101), the anti-slip rubber (2106) is arranged at the lower end of the arc-shaped plate (2105), and the pressure spring (2104) is connected to the middle of the pull rod (2102) through a limit block.