CN213353877U

CN213353877U - Printing roller of printing machine

Info

Publication number: CN213353877U
Application number: CN202021647070.3U
Authority: CN
Inventors: 万鹏
Original assignee: Tianjin Xunjie Printing Co ltd
Current assignee: Tianjin Xunjie Printing Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-04
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a printing roller of printing machine, including bottom plate, support frame, roof, supporting shoe, base, cavity, lead screw, fixed sleeve, bracing piece, installation bearing, the transmission shaft is installed to the installation bearing, and transmission shaft externally mounted has the printing roller, has seted up the third through-hole along central symmetry on the roof, runs through in the third through-hole and is equipped with the gag lever post, installs the limiting plate on the gag lever post, is equipped with the mounting panel under the roof, and the mounting bracket is installed to the bottom of mounting panel, and the cleaning brush is installed to the bottom of mounting bracket. Has the advantages that: the utility model has the advantages of simple and reasonable structure, it is swift convenient to use, and the bracing piece can realize printing the roller to the tensioning of printing the paper through the height of installation bearing adjusting drive shaft and printing roller, guarantees to print the effect, adjusts the height of cleaning brush through the limiting plate, can clean the printing roller surface after the printing roller work, and supporting spring then can make the cleaning brush utensil possess certain buffer function, fish tail printing roller surface when avoiding clean.

Description

Printing roller of printing machine

Technical Field

The utility model relates to a printing field particularly, relates to a printing roller of printing machine.

Background

Printing is a technique of transferring ink to the surface of paper, textiles, plastics, leather, PVC, PC, or other materials by plate making, inking, and pressing original documents such as characters, pictures, photographs, and forgery prevention, and copying the contents of the original documents in bulk. Printing is the process of transferring the approved printing plate to the printing stock by printing machine and special ink.

Printing roller can be used to the printing in-process, and printing roller among the prior art can not independently tensioning printing paper, need adjust the paper and just can guarantee the printing, and current printing roller accomplishes work and must dismantle when needing to wash moreover, wastes time and energy.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel blackboard eraser to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a printing roller of a printing machine comprises a bottom plate, wherein support frames are symmetrically arranged on two sides of the top of the bottom plate, the support frames are perpendicular to the bottom plate, a top plate is arranged at the top end of each support frame, a support block is arranged at the top of the bottom plate, a base is arranged at the top end of each support block, the base is parallel to the bottom plate, a cavity is formed in the base and is arranged along the length direction of the base, lead screws are arranged at the bottoms of the two inner sides of the cavity through bearing seats, the lead screws are perpendicular to the base, the top ends of the lead screws penetrate out of the cavity, a height adjusting mechanism is arranged at the top ends of the lead screws and comprises fixing sleeves, the fixing sleeves are fixedly arranged at the top ends of the base, the top ends of the lead screws are inserted into the fixing sleeves, support rods are, install the transmission shaft between the installation bearing of both sides, transmission shaft externally mounted has the printing roller, the garbage collection groove is installed at the top center of base, the garbage collection groove is located under the printing roller, seted up the third through-hole along central symmetry on the roof, run through in the third through-hole and be equipped with the gag lever post, install the limiting plate on the gag lever post, the top of roof is located to the limiting plate, be equipped with the mounting panel under the roof, the bottom tip fixed mounting of gag lever post is on the mounting panel, the mounting bracket is installed to the bottom of mounting panel, the cleaning brush is installed to the bottom of mounting bracket, the cleaning brush is located directly.

Furthermore, guide grooves are symmetrically formed in the inner side wall of the fixing sleeve, guide blocks are symmetrically installed at the bottom of the outer wall of the supporting rod, and one end, far away from the supporting rod, of each guide block is slidably arranged in each guide groove.

Furthermore, first bevel gears are installed on the parts, located inside the cavity, of the screw rods, second bevel gears are meshed with the side portions of the first bevel gears on the two screw rods, the two second bevel gears are installed at the two ends of the connecting shaft, third bevel gears are further installed at the middle portions of the connecting shaft, a motor is installed at the center of the top of the bottom plate, a motor sleeve is installed outside the motor, a motor shaft is arranged at the top of the motor, the end portion of the top end of the motor shaft penetrates into the cavity, a fourth bevel gear is installed at the top end of the motor shaft, and the fourth bevel gear is meshed with.

Further, the fixed block is installed to the inside bottom of cavity, and the connecting axle rotates with the fixed block through connecting bearing to be connected, and the fixed block is equipped with two, and two fixed blocks set up along the central symmetry of connecting axle.

Furthermore, first through holes are formed in two sides of the top of the base, the screw rod penetrates through the first through holes, a second through hole is formed in the center of the bottom of the base, and the motor shaft penetrates through the second through hole.

Furthermore, adjusting bolt is installed at the center of limiting plate, is equipped with screw thread portion on the gag lever post, and adjusting bolt installs on screw thread portion, and the gag lever post outside still overlaps and is equipped with supporting spring, and supporting spring locates between limiting plate and the roof.

Further, the dashpot has been seted up to the bottom of mounting panel, and the top of mounting bracket is installed in the dashpot, has seted up the mounting groove on the roof of dashpot, has seted up down the mounting groove on the roof of mounting bracket, and lower mounting groove sets up with last mounting groove relatively, installs buffer spring between the lower mounting groove that sets up relatively and the last mounting groove.

Furthermore, a sliding groove is formed in the side wall of the buffer groove, a sliding block is installed on the side wall of the installation frame, the end portion, far away from the installation frame, of the sliding block is slidably arranged in the sliding groove, and a stop block is installed at the bottom of the sliding groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model has the advantages of simple and reasonable structure, it is swift convenient to use, when the motor drives the motor shaft and rotates, alright it is rotatory with driving third bevel gear through fourth bevel gear, then realize the rotation regulation to the connecting axle, the setting of connecting axle can guarantee that two second bevel gears realize synchronous rotation, then carry out synchronous regulation to the lead screw, when the lead screw rotates, alright realize the altitude variation with driving the bracing piece through the screw hole, the bracing piece can be through the height of installation bearing adjusting transmission shaft and printing roller, realize the tensioning of printing roller to the printing paper, guarantee the printing effect, adjust the height of cleaning brush through the limiting plate, can clean the printing roller surface after the printing roller work, supporting spring then can make the cleaning brush possess certain buffer function, fish tail printing roller surface when avoiding clean.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a printing cylinder of a printing press according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a printing cylinder of a printing machine according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a height adjusting mechanism in a printing cylinder of a printing press according to an embodiment of the present invention;

FIG. 4 is an enlarged view at A in FIG. 2;

fig. 5 is a schematic structural view of a limiting rod in a printing roller of a printing machine according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a mounting plate in a printing cylinder of a printing press according to an embodiment of the present invention;

fig. 7 is an enlarged view at B in fig. 6.

Reference numerals:

1. a base plate; 2. a support frame; 3. a top plate; 4. a support block; 5. a base; 6. a cavity; 7. a bearing seat; 8. a screw rod; 9. fixing the sleeve; 10. a support bar; 11. a threaded hole; 12. a guide groove; 13. a guide block; 14. mounting a bearing; 15. a drive shaft; 16. a printing roller; 17. a first bevel gear; 18. a second bevel gear; 19. a connecting shaft; 20. a fixed block; 21. connecting a bearing; 22. a third bevel gear; 23. a motor; 24. a motor cover; 25. a motor shaft; 26. a fourth bevel gear; 27. a first through hole; 28. a second through hole; 29. a waste collection tank; 30. a third through hole; 31. a limiting rod; 32. a limiting plate; 33. mounting a plate; 34. a mounting frame; 35. a cleaning brush; 36. adjusting the bolt; 37. a threaded portion; 38. a support spring; 39. a buffer tank; 40. mounting a mounting groove; 41. a lower mounting groove; 42. a buffer spring; 43. a chute; 44. a slider; 45. and a stop block.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-7, a printing roller of a printing machine according to an embodiment of the present invention includes a bottom plate 1, wherein support frames 2 are symmetrically installed on both sides of the top of the bottom plate 1, the support frames 2 are perpendicular to the bottom plate 1, a top plate 3 is installed on the top end of the support frames 2, a support block 4 is installed on the top of the bottom plate 1, a base 5 is installed on the top end of the support block 4, the base 5 is parallel to the bottom plate 1, a cavity 6 is formed in the base 5, the cavity 6 is arranged along the length direction of the base 5, a lead screw 8 is installed on the bottom of both sides of the interior of the cavity 6 through a bearing seat 7, the lead screw 8 is perpendicular to the base 5, the top end of the lead screw 8 penetrates through the cavity 6, a height adjusting mechanism is installed on the top end of the lead screw 8, the height adjusting, a support rod 10 is inserted into the top end of the inside of the fixed sleeve 9, a threaded hole 11 is formed in the bottom of the support rod 10, the top of the screw rod 8 is installed in the threaded hole 11, an installation bearing 14 is fixedly installed at the top end of the support rod 10, a transmission shaft 15 is installed between the installation bearings 14 on the two sides, a printing roller 16 is installed outside the transmission shaft 15, when the screw rod 8 rotates, the support rod 10 can be driven by the threaded hole 11 to realize height change, the support rod 10 can adjust the heights of the transmission shaft 15 and the printing roller 16 through the installation bearing 14, tensioning of the printing paper by the printing roller 16 is realized, the printing effect is ensured, a waste collecting tank 29 is installed at the center of the top of the base 5, the waste collecting tank 29 is arranged under the printing roller 16, third through holes 30 are symmetrically formed in the top plate 3 along the center, a limiting, the top of roof 3 is located to limiting plate 32, is equipped with mounting panel 33 under the roof 3, and the bottom end fixed mounting of gag lever post 31 is on mounting panel 33, and mounting bracket 34 is installed to the bottom of mounting panel 33, and cleaning brush 35 is installed to the bottom of mounting bracket 34, and printing roller 16 is located directly over to cleaning brush 35, adjusts cleaning brush 35's height through limiting plate 32, can clean printing roller 16 surface after printing roller 16 has worked.

Specifically, guide grooves 12 have been seted up to the symmetry on the inside wall of fixed sleeve 9, and guide block 13 is installed to the outer wall bottom symmetry of bracing piece 10, and the one end that the bracing piece 10 was kept away from to guide block 13 slides and locates in guide groove 12, and guide block 13 and guide groove 12's cooperation can avoid bracing piece 10 to follow lead screw 8 and rotate together.

Specifically, a first bevel gear 17 is mounted on a part of the screw rod 8 located inside the cavity 6, two second bevel gears 18 are respectively engaged with lateral parts of the first bevel gears 17 on the two screw rods 8, the two second bevel gears 18 are mounted at two ends of a connecting shaft 19, the connecting shaft 19 is arranged to ensure that the two second bevel gears 18 synchronously rotate, and then the screw rods 8 are synchronously adjusted, a third bevel gear 22 is further mounted in the middle of the connecting shaft 19, a motor 23 is mounted at the center of the top of the bottom plate 1, a motor sleeve 24 is mounted outside the motor 23, a motor shaft 25 is arranged at the top of the motor 23, the top end of the motor shaft 25 penetrates into the cavity 6, a fourth bevel gear 26 is mounted at the top of the motor shaft 25, the fourth bevel gear 26 is engaged with the third bevel gear 22, when the motor 23 drives the motor shaft 25 to rotate, the third bevel gear 22 can be driven to rotate by the fourth, in turn, the rotational adjustment of the connecting shaft 19 is effected.

Specifically, the fixed block 20 is installed at the inside bottom of cavity 6, and connecting axle 19 rotates with fixed block 20 through connecting bearing 21 and is connected, and fixed block 20 is equipped with two, and two fixed blocks 20 set up along the central symmetry of connecting axle 19.

Specifically, first through holes 27 are formed in two sides of the top of the base 5, the screw rod 8 penetrates through the first through holes 27, a second through hole 28 is formed in the center of the bottom of the base 5, and the motor shaft 25 penetrates through the second through hole 28.

Specifically, adjusting bolt 36 is installed at the center of limiting plate 32, is equipped with screw thread portion 37 on the gag lever post 31, and adjusting bolt 36 installs on screw thread portion 37, and gag lever post 31 outside still overlaps and is equipped with supporting spring 38, and supporting spring 38 is located between limiting plate 32 and the roof 3, and adjusting bolt 36 conveniently adjusts the position of limiting plate 32, and supporting spring 38 then can make cleaning brush 35 possess certain buffer function, fish tail printing roller 16 surface when avoiding cleaning.

Specifically, buffer slot 39 has been seted up to the bottom of mounting panel 33, and the top of mounting bracket 34 is installed in buffer slot 39, has seted up mounting groove 40 on the roof of buffer slot 39, has seted up down mounting groove 41 on the roof of mounting bracket 34, and lower mounting groove 41 sets up with last mounting groove 40 relatively, installs buffer spring 42 between lower mounting groove 41 and the last mounting groove 40 of relatively setting.

Specifically, a sliding groove 43 is formed in a side wall of the buffer groove 39, a sliding block 44 is installed on the side wall of the installation frame 34, an end portion, far away from the installation frame 34, of the sliding block 44 is slidably arranged in the sliding groove 43, and a stop block 45 is installed at the bottom of the sliding groove 43.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the motor 23 is started, when the motor 23 drives the motor shaft 25 to rotate, the third bevel gear 22 can be driven to rotate through the fourth bevel gear 26, so as to realize rotation adjustment of the connecting shaft 19, the arrangement of the connecting shaft 19 can ensure that the two second bevel gears 18 synchronously rotate, so as to synchronously adjust the screw rod 8, when the screw rod 8 rotates, the screw hole 11 can drive the support rod 10 to realize height change, the support rod 10 can adjust the heights of the transmission shaft 15 and the printing roller 16 through the mounting bearing 14, the printing roller 16 can tension printing paper, the printing effect is ensured, the height of the cleaning brush 35 is adjusted through the limiting plate 32, the surface of the printing roller 16 can be cleaned after the printing roller 16 is finished, and the supporting spring 38 can enable the cleaning brush 35 to have a certain buffering function so as to avoid scratching the surface of the printing roller 16 during cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A printing roller of a printing machine comprises a bottom plate (1), wherein support frames (2) are symmetrically arranged on two sides of the top of the bottom plate (1), the support frames (2) are perpendicular to the bottom plate (1), a top plate (3) is arranged on the top end of each support frame (2), a support block (4) is arranged on the top of the bottom plate (1), a base (5) is arranged on the top end of each support block (4), the base (5) is parallel to the bottom plate (1), a cavity (6) is formed in each base (5), the cavity (6) is arranged along the length direction of the base (5), a lead screw (8) is arranged at the bottom of each of two inner sides of the cavity (6) through a bearing seat (7), the lead screw (8) is perpendicular to the base (5), the top end of the lead screw (8) penetrates through the cavity (6), a height adjusting mechanism is arranged at the top end of the lead screw (, fixed sleeve (9) fixed mounting is on base (5) top, the top of lead screw (8) is inserted in fixed sleeve (9), the inside top of fixed sleeve (9) is inserted and is equipped with bracing piece (10), threaded hole (11) is seted up to the bottom of bracing piece (10), the top of lead screw (8) is installed in threaded hole (11), the top fixed mounting of bracing piece (10) has installation bearing (14), install between the installation bearing (14) of both sides transmission shaft (15), transmission shaft (15) externally mounted has printing roller (16), waste collecting vat (29) is installed at the top center of base (5), waste collecting vat (29) are located under printing roller (16), third through-hole (30) have been seted up along central symmetry on roof (3), run through in third through-hole (30) and be equipped with gag lever post (31), install limiting plate (32) on gag lever post (31), the top of roof (3) is located to limiting plate (32), is equipped with mounting panel (33) under roof (3), and the bottom tip fixed mounting of gag lever post (31) is on mounting panel (33), and mounting bracket (34) are installed to the bottom of mounting panel (33), and cleaning brush (35) are installed to the bottom of mounting bracket (34), and printing roller (16) is located directly over cleaning brush (35).

2. The printing roller of the printing machine according to claim 1, wherein the inner side wall of the fixed sleeve (9) is symmetrically provided with guide grooves (12), the bottom of the outer wall of the support rod (10) is symmetrically provided with guide blocks (13), and one end of each guide block (13) far away from the support rod (10) is slidably arranged in each guide groove (12).

3. The printing roller of the printing machine according to claim 2, wherein a first bevel gear (17) is mounted on the part of the screw rods (8) located inside the cavity (6), second bevel gears (18) are respectively meshed with the side parts of the first bevel gears (17) on the two screw rods (8), the two second bevel gears (18) are mounted at two ends of a connecting shaft (19), a third bevel gear (22) is further mounted at the middle part of the connecting shaft (19), a motor (23) is mounted at the center of the top of the bottom plate (1), a motor sleeve (24) is mounted outside the motor (23), a motor shaft (25) is arranged at the top of the motor (23), and the end part of the top end of the motor shaft (25) penetrates into the cavity (6), and a fourth bevel gear (26) is arranged at the top end of the motor shaft (25), and the fourth bevel gear (26) is meshed with the third bevel gear (22).

4. Printing cylinder for a printing machine according to claim 1, characterised in that the cavity (6) has a fixed block (20) mounted at its inner bottom, the connecting shaft (19) being rotatably connected to the fixed block (20) by means of a connecting bearing (21), two fixed blocks (20) being provided, the two fixed blocks (20) being arranged symmetrically about the centre of the connecting shaft (19).

5. The printing roller of the printing machine according to claim 4, wherein the base (5) is provided with first through holes (27) at two sides of the top, the screw rod (8) is arranged to pass through the first through holes (27), the base (5) is provided with a second through hole (28) at the center of the bottom, and the motor shaft (25) is arranged to pass through the second through hole (28).

6. The printing roller of a printing machine according to claim 5, wherein an adjusting bolt (36) is installed at the center of the limiting plate (32), a threaded portion (37) is arranged on the limiting rod (31), the adjusting bolt (36) is installed on the threaded portion (37), a supporting spring (38) is further sleeved outside the limiting rod (31), and the supporting spring (38) is arranged between the limiting plate (32) and the top plate (3).

7. The printing roller of the printing machine according to claim 6, wherein a buffer groove (39) is formed at the bottom of the mounting plate (33), the top of the mounting frame (34) is installed in the buffer groove (39), an upper mounting groove (40) is formed on the top wall of the buffer groove (39), a lower mounting groove (41) is formed on the top wall of the mounting frame (34), the lower mounting groove (41) and the upper mounting groove (40) are oppositely arranged, and a buffer spring (42) is installed between the oppositely arranged lower mounting groove (41) and the upper mounting groove (40).

8. The printing roller of the printing machine according to claim 7, wherein a sliding groove (43) is formed in a side wall of the buffer groove (39), a sliding block (44) is installed on a side wall of the mounting frame (34), an end portion, far away from the mounting frame (34), of the sliding block (44) is slidably arranged in the sliding groove (43), and a stopper (45) is installed at the bottom of the sliding groove (43).