CN111070861B

CN111070861B - Printing plate roller mechanism

Info

Publication number: CN111070861B
Application number: CN201911366913.4A
Authority: CN
Inventors: 李瑜; 陈龙; 韩健; 李龙; 史龙飞; 王蕊; 李芯雨
Original assignee: Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd
Current assignee: Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2022-06-07
Anticipated expiration: 2039-12-26
Also published as: CN111070861A

Abstract

The invention discloses a printing plate roller mechanism, which comprises a printing plate roller mandrel, wherein a printing plate sleeve is arranged on the printing plate roller mandrel for printing, one end of the printing plate roller mandrel is fixed on an M-side push-pull seat through a needle bearing A, the M-side push-pull seat axially moves on the M-side moving seat in a transverse manner and turns over in a rotary manner through a guide shaft for disassembling a printing plate, the M-side moving seat is fixed on a wallboard M through a linear guide rail A, the other end of the printing plate roller mandrel is fixed on a printing plate roller support G through a needle bearing B, the printing plate roller support G is fixed on the wallboard G through the linear guide rail B, the M-side moving seat and the printing plate support G are transversely adjusted along respective corresponding linear guide rail directions, and the transverse adjustment of the printing plate is respectively completed by a motor belt wheel and a belt wheel driving screw rod transmission pair A driven by transverse motors at the M side and the G side Heating of the printing plate, and the like.

Description

Printing plate roller mechanism

Technical Field

The invention belongs to the technical field of printing machinery, and particularly relates to a printing plate roller mechanism.

Background

With increasingly strict environmental regulations and increasingly heightened environmental awareness of society, flexographic printing is becoming more and more favored by the printing industry for its high efficiency, environmental friendliness and no pollution. The method has the advantages that accumulated errors are large in the double-layer structure of the roller of the original satellite type flexible printing machine, the precision of parts is required to be high, the assembling and debugging difficulty is high, the heating is serious, the printing effect is influenced, the overall cost is also improved, and the popularization of the technology are influenced.

Disclosure of Invention

The invention aims to provide a printing plate roller mechanism, which solves the problems of large accumulated error of a printing roller, large difficulty in debugging parts, heating of a printing plate and the like in the prior art.

The invention adopts the technical scheme that the printing plate roller mechanism comprises a printing plate mandrel, a printing plate sleeve is arranged on the printing plate mandrel for printing, one end of the printing plate mandrel is fixed on an M-side push-pull seat through a needle bearing A, the M-side push-pull seat axially moves transversely on an M-side moving seat and turns over by a guide shaft in a rotating way, the machine is used for disassembling a printing plate, an M side moving seat is fixed on a wallboard M through a linear guide rail A, the other end of a printing roller mandrel is fixed on a printing roller support G through a needle roller bearing B, the printing roller support G is fixed on the wallboard G through the linear guide rail B, the M side moving seat and the printing roller support G are transversely adjusted along the directions of the respective corresponding linear guide rails, the transverse adjustment of the printing plate is completed by driving a motor belt pulley and a belt pulley driving screw rod transmission pair A through pressure motors on the M side and the G side respectively, the screw rod transmission pair A is fixed on the support A through a bearing, and the support A is fixed on the wallboard M and the wallboard G.

The present invention is also characterized in that,

the needle roller bearing B is axially fixed by a gland, the gland is arranged on the roller support G, the lubricating seal of the needle roller bearing B is sealed by a seal ring A arranged on the gland and a seal ring B arranged on the roller support G, and the oil pointer is arranged on the roller support G and used for draining and cleaning lubricating oil.

Still install guide rail baffle on wallboard M and the wallboard G respectively, guide rail baffle corresponds the setting with linear guide A, linear guide B, and guide rail baffle is used for preventing the pollutant including printing ink among the printing process and pollutes linear guide A and linear guide B.

And the printing roller support G is also provided with a cooling joint, and the printing roller support G is provided with a cooling circulation hole for solving the problem that the printing plate sleeve is softened due to the fact that excessive heat is transferred to the printing roller mandrel and the printing plate sleeve.

Still install on the printing plate sleeve and push away the version cylinder, push away the version cylinder front end and install the push pedal, when changing the printing plate sleeve, push away the version cylinder and release and change the printing plate sleeve in order to assist, improve and trade version efficiency, reduce work load.

The printing roller support G is fixedly provided with a support, the support is provided with a transverse linear guide rail, a printing roller motor is connected with the transverse linear guide rail through a motor support, the printing roller motor is connected with a printing roller mandrel through a coupler B to drive the printing roller mandrel and a printing plate sleeve to operate and print, the transverse motor is connected with a lead screw transmission pair B through a coupler A, the lead screw transmission pair B is connected with the support through a bearing and a sleeve cup, a nut is used for locking the lead screw transmission pair B, and the lead screw transmission pair B is connected with the motor support through the support B.

The motor support is provided with an inflating sleeve, the sealing performance of the inflating sleeve is guaranteed by a sealing ring C and a sealing ring D, a thrust bearing is arranged in the inflating sleeve, the thrust bearing and the inflating sleeve are matched to bear axial force brought by transverse adjustment together, the roller mandrel is axially positioned, and the transverse motor drives the roller motor, the motor support and the roller mandrel to transversely adjust through a lead screw transmission pair B.

Still the cooperation is provided with the kicking block on the support, and the kicking block is used for the fixed bolster in order to guarantee the precision.

The M side moving seat is also provided with a locking amplitude which ensures that the M side push-pull seat and the M side moving seat are locked during printing.

The printing plate roller mechanism has the advantages that the radial supporting points of the printing plate roller mandrel are respectively an M-side needle bearing and a needle bearing, axial force is not borne, the over-positioning problem does not exist, and the problem that the bearing is seriously heated and easily damaged due to the internal stress generated by over-positioning is avoided. The axial forces resulting from the lateral adjustment are taken up by the thrust bearing, where no radial forces are taken up. In addition, the heating source plate roller motor and the air inflation sleeve are separated from the plate roller support, the cooling circulation holes are reserved on the plate roller support, the cooling joint is installed on the plate roller support, and the like, so that the phenomenon that the rubber plate is heated and softened to influence the printing effect due to the fact that the heat is transferred to the plate sleeve is avoided. The plate pushing cylinder is additionally arranged, when the printing plate sleeve is replaced, the plate pushing cylinder pushes out the printing plate sleeve to assist in replacing the printing plate sleeve, the plate replacing efficiency is improved, and the workload is reduced.

Drawings

FIG. 1 is a view showing a plate roll structure;

FIG. 2 is an enlarged view at K;

FIG. 3 is a drive side view;

fig. 4 is an operational side view.

As shown in the figure, 1 printing roller mandrel, 2 printing plate sleeve, 3M side push-pull seat, 4 needle bearing a, 5M side moving seat, 6 linear guide rail a, 7 guide rail baffle, 8 belt wheel, 9 seat a, 10 bearing, 11 screw transmission pair a, 12 motor belt wheel, 13 pressure motor, 14 gland, 15 sealing ring a, 16 needle bearing B, 17 printing roller seat G, 18 linear guide rail B, 19 sealing ring B, 20 cooling joint, 21 push plate, 22 push plate cylinder, 23 oil pointer, 24 bracket, 25 transverse linear guide rail, 26 seat B, 27 screw transmission pair B, 28 sleeve cup, 29 bearing, 30 nut, 31 coupler a, 32 transverse motor, 33 printing roller motor, 34 motor seat, 35 coupler B, 36 sealing ring C, 37 inflation sleeve, 38 sealing ring D, 39 thrust bearing, 40 locking nut, 41 top block, 42 wall plate G, 43 wall plate M, 44 locking amplitude, 45 guide shaft.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, which is a structural diagram of a plate cylinder portion, a plate sleeve 2 is mounted on a plate cylinder mandrel 1 for printing. The roller mandrel 1 is fixed on the M-side push-pull seat 3 through a needle bearing 4, and the M-side push-pull seat 3 can axially move transversely on the M-side moving seat 5 and rotate and turn over through a guide shaft 45 to disassemble the printing plate 2. The roller mandrel 1 is fixed on a roller support G17 through a needle bearing 16, and the M-side moving seat 5 and the roller support G17 are respectively fixed on the wallboard M43 and the wallboard G42 through a linear guide rail 6 and a linear guide rail 18 and are transversely adjusted along the direction of the linear guide rail. The guide rail baffle 7 is installed on the wall plate M43 and the wall plate G42 and used for preventing pollutants such as ink and the like from polluting the linear slide rail 6 and the linear slide rail 18 in the printing process. The transverse adjustment of the printing plate is completed by driving a motor belt wheel 12 and a belt wheel 8 to drive a screw rod transmission pair A11 by a pressure motor 13 on an M side and a pressure motor 13 on a G side respectively, wherein the screw rod transmission pair A11 is fixed on a support A9 through a bearing, and a support A9 is fixed on a wallboard M43 and a wallboard G42.

The needle roller bearing B16 is axially fixed by a gland 14, the gland 14 is mounted on the plate roller support G17, and the lubricating seal of the needle roller bearing B16 is sealed by a seal ring a15 mounted on the gland 14 and a seal ring B19 mounted on the plate roller support G17. The oil pointer 23 is mounted on the plate roller support G17 for draining the cleaning lubricant.

The cooling joint 20 is installed on the plate roller support seat 17, and the plate roller support seat 17 is provided with cooling circulation holes for solving the problem that the printing plate 2 is softened and the printing precision is influenced due to the fact that excessive heat is transmitted to the plate roller mandrel 1 and the printing plate 2.

Push pedal 21 is installed to push away version cylinder 22 front end, and when changing printing plate sleeve 2, push away version cylinder 22 and release and can assist and change printing plate sleeve 2, improve and trade version efficiency, reduce work load.

The support 24 is fixed on the plate roller support 17, the transverse linear guide rail 25 is installed on the support 24, the plate roller motor 33 is connected with the transverse linear guide rail 25 through the motor support 34, and the plate roller motor 33 is connected with the plate roller mandrel 1 through the coupler 35 to drive the plate roller mandrel 1 and the plate sleeve 2 to run and print. The transverse motor 32 is connected with a screw rod transmission pair B27 through a coupler 31, the screw rod transmission pair B27 is connected with the bracket 24 through a bearing 29 and a sleeve cup 28, and the nut 30 is used for locking the screw rod transmission pair B27. The screw rod transmission pair B27 is connected with the motor support 34 through a support B26.

Fig. 2 is an enlarged view of the position K in fig. 1, the inflation sleeve 37 is mounted on the motor support 34, the sealing performance of the inflation sleeve is ensured by a sealing ring C36 and a sealing ring D38, and a thrust bearing 39 is mounted in the sealing sleeve to bear the axial force caused by the transverse adjustment and axially position the plate roller mandrel 1. The transverse motor 32 drives the plate roller motor 33, the motor support 34 and the plate roller mandrel 1 to transversely adjust through the screw rod transmission pair B27.

Fig. 3 is a side view of the driving side, and a top block 41 is used for fixing the bracket 24 to ensure accuracy.

Fig. 4 is an operation side view, and a locking web 44 ensures locking of the M-side push-pull carriage 3 and the M-side moving carriage 5 at the time of printing.

According to the invention, the radial supporting points of the roller mandrel 1 are respectively the M-side needle bearing 4 and the needle bearing 16, so that the roller mandrel does not bear axial force, the over-positioning problem does not exist, and the problem that the bearing is seriously heated and easily damaged due to the internal stress generated by over-positioning is avoided. The axial forces resulting from the lateral adjustment are taken up by the thrust bearing 39, where no radial forces are taken up. In addition, in the invention, the heating source plate roller motor 33 and the air inflation sleeve 37 are separated from the plate roller support seat 17, cooling circulation holes are reserved on the plate roller support seat 17, and the cooling joint 20 and the like are installed, so that the heating and softening of the rubber plate, which are caused by the heat transferred to the plate sleeve 2, are avoided to influence the printing effect. The plate pushing cylinder 22 is added, when the printing plate sleeve 2 is replaced, the plate pushing cylinder 22 pushes out the printing plate sleeve 2 which can assist in replacing the printing plate sleeve 2, the plate replacing efficiency is improved, and the workload is reduced. The single layer structure also reduces the difficulty of assembly and debugging and reduces the cost.

Claims

1. A printing plate roller mechanism is characterized by comprising a printing plate roller mandrel (1), a printing plate sleeve (2) is arranged on the printing plate roller mandrel (1) for printing, one end of the printing plate roller mandrel (1) is fixed on an M-side push-pull seat (3) through a needle bearing A (4), the M-side push-pull seat (3) axially transversely moves on an M-side moving seat (5) and turns over in a rotary mode through a guide shaft (45) and is used for disassembling the printing plate sleeve (2), the M-side moving seat (5) is fixed on a wall plate M (43) through a linear guide rail A (6), the other end of the printing plate roller mandrel (1) is fixed on a printing plate roller support G (17) through a needle bearing B (16), the printing plate support G (17) is fixed on a wall plate G (42) through a linear guide rail B (18), the M-side moving seat (5) and the printing plate roller support G (17) are transversely adjusted along the directions of the respective corresponding linear guide rails, and the transverse adjustment of a belt pulley (12) and a belt pulley (17) are respectively driven by a pressure motor (13) on the M side and the G side 8) The guide screw transmission pair A (11) is driven to complete, the guide screw transmission pair A (11) is fixed on a support A (9) through a bearing, the support A (9) is fixed on a wall plate M (43) and a wall plate G (42), a needle bearing B (16) is axially fixed through a gland (14), the gland (14) is arranged on a roller support G (17), the needle bearing B (16) is lubricated and sealed through a sealing ring A (15) arranged on the gland (14) and a sealing ring B (19) arranged on the roller support G (17), an oil pointer (23) is arranged on the roller support G (17) and used for draining and cleaning lubricating oil, guide rail baffles (7) are respectively arranged on the wall plate M (43) and the wall plate G (42), the guide rail baffles (7) are arranged corresponding to the linear guide rail A (6) and the linear guide rail B (18), and the guide rail baffles (7) are used for preventing pollutants including ink from polluting the linear guide rail A (6) and the linear guide rail B (18) in the printing process 18) The plate roller support G (17) is further provided with a cooling joint (20), a cooling circulation hole is reserved on the plate roller support G (17), the problem that the printing plate sleeve (2) caused by excessive heat is softened for the plate roller mandrel (1) and the printing plate sleeve (2) is solved, a plate pushing cylinder (22) is further arranged on the printing plate sleeve (2), the front end of the plate pushing cylinder (22) is provided with a push plate (21), when the printing plate sleeve (2) is replaced, the plate pushing cylinder (22) is pushed out to assist in replacing the printing plate sleeve (2), the plate replacing efficiency is improved, the workload is reduced, the plate roller support G (17) is further fixedly provided with a support (24), the support (24) is provided with a transverse linear guide rail (25), a plate roller (33) is connected with the transverse linear guide rail (25) through a motor support (34), and the motor (33) is connected with the plate roller mandrel (1) through a plate roller coupling B (35), the printing plate roller mandrel (1) and the printing plate sleeve (2) are driven to operate and print, a transverse motor (32) is connected with a lead screw transmission pair B (27) through a coupler A (31), the lead screw transmission pair B (27) is connected with a support (24) through a bearing (29) and a sleeve cup (28), a nut (30) is used for locking the lead screw transmission pair B (27), the lead screw transmission pair B (27) is connected with a motor support (34) through a support B (26), an inflating sleeve (37) is installed on the motor support (34), the sealing performance of the inflating sleeve (37) is guaranteed by a sealing ring C (36) and a sealing ring D (38), a thrust bearing (39) is installed in the inflating sleeve (37), the thrust bearing (39) and the inflating sleeve (37) are matched to bear axial force brought by transverse adjustment together, the printing plate roller mandrel (1) is axially positioned, and the transverse motor (32) drives a motor (33) through the lead screw transmission pair B (27), The printing roller lateral adjustment mechanism comprises a motor support (34) and a printing roller mandrel (1) which are transversely adjusted, a top block (41) is further arranged on the support (24) in a matched mode, the top block (41) is used for fixing the support (24) to guarantee accuracy, a locking amplitude (44) is further arranged on the M lateral moving seat (5), and the M lateral pushing and pulling seat (3) and the M lateral moving seat (5) are guaranteed to be locked through the locking amplitude (44) during printing.