CN215203950U

CN215203950U - Driving mechanism for gravure printing roller

Info

Publication number: CN215203950U
Application number: CN202121017389.2U
Authority: CN
Inventors: 卫俊义
Original assignee: Qingdao Zhixing Plate Making Co ltd
Current assignee: Qingdao Zhixing Plate Making Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-17
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a drive mechanism for gravure printing roller, concretely relates to gravure printing technical field, its technical scheme is: the automatic braking device comprises a base, fixedly connected with shell and driving motor on the base, driving motor sets up in the shell left side, be equipped with drive assembly, movable assembly, lazytongs and arrestment mechanism in the shell. The utility model has the advantages that: the printing roller can be quickly braked after printing is finished by arranging the braking mechanism, so that the phenomenon that the printing roller drives the motor rotor to continuously rotate due to the inertia effect after printing is finished is prevented, unnecessary abrasion to the printing roller and the motor rotating shaft is avoided, and the service lives of the printing roller and the motor are prolonged; through setting up lazytongs and movable assembly cooperation, utilize the rotation drive brake mechanism of version roller, the brake mechanism operation need not to establish the driving source in addition, and the energy saving is the running cost is lower simultaneously.

Description

Driving mechanism for gravure printing roller

Technical Field

The utility model relates to an intaglio printing technical field, concretely relates to actuating mechanism for intaglio printing roller.

Background

The intaglio printing is that the surface of printing plate roller is coated with ink, then the blank ink is removed by using special ink-scraping mechanism, so that the ink can be retained in the network holes of image-text portion, and under the action of large pressure the ink can be transferred onto the surface of printing material so as to obtain the printed matter, and in the intaglio printing machine the printing plate roller is driven by motor.

The prior art has the following defects: the printing plate roller of the existing intaglio printing press is directly driven by the motor, and after printing is finished, although the motor is powered off, the printing plate roller can still continue to rotate for a long time under the action of inertia, so that unnecessary abrasion is brought to the printing plate roller and a motor rotating shaft, and the service lives of the printing plate roller and the motor are shortened.

Therefore, it is necessary to provide a drive mechanism for a gravure printing roll.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a drive mechanism for gravure printing roller can stop version roller pivoted arrestment mechanism fast through the setting to solve printing end back version roller and continue rotatory problem because of inertia.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a gravure printing version roller is with actuating mechanism, includes the base, fixedly connected with shell and driving motor on the base, driving motor sets up in the shell left side, be equipped with drive assembly, movable assembly, lazytongs and arrestment mechanism in the shell.

The drive assembly comprises a drive rod and a rotating column, the drive rod is horizontally and rotatably connected in the shell, the rotating column is horizontally and rotatably connected to the right side of the shell, the left end of the drive rod penetrates through the shell, the rotating shaft of the drive motor is fixedly connected with the left end of the drive rod, and a tooth groove is formed in the drive rod.

The synchronizing mechanism comprises a rotary drum and a primary gear, the primary gear is fixedly connected with the rotary drum, and the rotary drum is sleeved on the driving rod.

The movable assembly comprises an electric hydraulic cylinder, a movable plate strip and a first-level sliding rod, the electric hydraulic cylinder is horizontally and fixedly connected with the left side wall in the shell, the movable plate strip is fixedly connected to the right end of the electric hydraulic cylinder, the first-level sliding rod is horizontally and fixedly connected to the left side of the inner wall of the shell, the synchronizing mechanism is arranged on the movable plate strip and the driving rod, and the braking mechanism is arranged on the rotating column and the movable plate strip.

Preferably, drive assembly still includes drive gear, driven gear and mounting disc, drive gear and actuating lever fixed connection, driven gear with rotate post fixed connection, it runs through the shell and extends to outside the shell to rotate post right-hand member, mounting disc fixed connection rotates post right-hand member.

Preferably, the driving gear is meshed with the driven gear, and the gear ratio of the driving gear to the driven gear is 3: 1.

Preferably, the movable assembly further comprises a second-stage sliding rod and a supporting block, the second-stage sliding rod is horizontally and fixedly connected in the shell, the supporting block is fixedly connected with the base, and the right end of the first-stage sliding rod is fixedly connected with the supporting block.

Preferably, the driving rod, the primary sliding rod and the secondary sliding rod penetrate through the movable lath.

Preferably, the synchronizing mechanism further comprises a sliding barrel, two groups of connecting plates, a synchronizing gear and a friction pad, the sliding barrel is sleeved on the first-stage sliding rod, the left end of the sliding barrel is fixedly connected with the movable lath, the two groups of connecting plates are respectively positioned on two sides of the first-stage gear, the two groups of connecting plates are both fixedly connected with the rotating drum, the synchronizing gear is sleeved on the driving rod, and the left end of the synchronizing gear is fixedly connected with the rotating drum.

Preferably, the synchronizing mechanism further comprises a synchronizing block, a return spring and a stop block, the stop block is fixedly connected with the driving rod, the synchronizing block is connected with the driving rod in a sliding mode through a tooth groove, the return spring is sleeved on the driving rod, and two ends of the return spring are fixedly connected to the stop block and the synchronizing block respectively.

Preferably, the tooth profile of the synchronizing gear is a triangular prism, the right end of the synchronizing gear is in a circular truncated cone shape, the friction pad is positioned at the right end of the synchronizing gear, and the right end of the synchronizing block is provided with a groove matched with the synchronizing gear.

Preferably, the braking mechanism comprises a second-stage gear, a third-stage gear and friction discs, the second-stage gear and the third-stage gear are rotatably connected to the right side of the movable lath, the second-stage gear is meshed with the first-stage gear, the third-stage gear is meshed with the second-stage gear, two groups of friction discs are arranged, and the two groups of friction discs are fixedly connected to the right end of the third-stage gear and the left end of the rotating column respectively.

Preferably, the two sets of friction discs are diametrically opposed.

The utility model has the advantages that:

1. the braking mechanism is arranged to quickly brake the printing roller after printing is finished, so that the printing roller is prevented from driving the motor rotor to continue rotating due to the inertia effect after printing is finished, unnecessary abrasion to the printing roller and the motor rotating shaft is avoided, and the service lives of the printing roller and the motor are prolonged.

2. Through setting up lazytongs and movable assembly cooperation, utilize the rotation drive brake mechanism of version roller, the brake mechanism operation need not to establish the driving source in addition, and the cost is lower when the energy saving.

Drawings

Fig. 1 is an internal structure diagram of embodiment 1 provided by the present invention;

fig. 2 is an enlarged view of the structure of the area a in fig. 1 according to the present invention;

fig. 3 is a perspective view of the synchronizing mechanism according to embodiment 1 of the present invention;

fig. 4 is an external structural view of embodiment 2 of the present invention.

In the figure: the device comprises a base 1, a shell 2, a driving motor 3, a driving assembly 4, a movable assembly 5, a synchronous mechanism 6, a braking mechanism 7, a driving rod 8, a rotating column 9, a tooth groove 10, a rotating drum 11, an electric hydraulic cylinder 12, a movable lath 13, a first-stage sliding rod 14, a first-stage gear 15, a driving gear 16, a driven gear 17, a mounting disc 18, a second-stage sliding rod 19, a supporting block 20, a sliding cylinder 21, a connecting plate 22, a synchronous gear 23, a friction pad 24, a synchronous block 25, a return spring 26, a stop block 27, a second-stage gear 28, a third-stage gear 29, a friction disc 30 and a heat dissipation fan 31.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1-3, the utility model provides a pair of, including base 1, fixedly connected with shell 2 and driving motor 3 on the base 1, driving motor 3 sets up in shell 2 left side, be equipped with drive assembly 4, movable assembly 5, lazytongs 6 and arrestment mechanism 7 in the shell 2.

Drive assembly 4 includes actuating lever 8 and

rotation post

9, 8 horizontal rotations of actuating lever are connected in shell 2, rotate 9 horizontal rotations of post and connect on the 2 right sides of shell, 8 left ends of actuating lever run through

shell

2, 3 pivot of driving motor and 8 left end fixed connection of actuating lever, be equipped with tooth's socket 10 on the actuating lever 8.

The synchronizing mechanism 6 comprises a rotary drum 11 and a primary gear 15, the primary gear 15 is fixedly connected with the rotary drum 11, and the rotary drum 11 is sleeved on the driving rod 8.

The movable assembly 5 comprises an electric hydraulic cylinder 12, a movable lath 13 and a first-level sliding rod 14, the horizontal fixed connection of the electric hydraulic cylinder 12 is arranged on the left side wall of the shell 2, the movable lath 13 is fixedly connected at the right end of the electric hydraulic cylinder 12, the horizontal fixed connection of the first-level sliding rod 14 is arranged on the left side of the inner wall of the shell 2, the synchronizing mechanism 6 is arranged on the movable lath 13 and the driving rod 8, and the braking mechanism 7 is arranged on the rotating column 9 and the movable lath 13.

Further, drive assembly 4 still includes drive gear 16, driven gear 17 and mounting disc 18, drive gear 16 and actuating lever 8 fixed connection, driven gear 17 with rotate post 9 fixed connection, it runs through shell 2 and extends to outside the shell to rotate post 9 right-hand member, mounting disc 18 fixed connection rotates post 9 right-hand member.

Further, the driving gear 16 is engaged with the driven gear 17, the gear ratio of the driving gear 16 to the driven gear 17 is 3:1, and the upper limit of the printing speed of the gravure press is increased by setting the transmission ratio.

Furthermore, the movable assembly 5 further comprises a second-stage sliding rod 19 and a supporting block 20, the second-stage sliding rod 19 is horizontally and fixedly connected in the shell 2, the supporting block 20 is fixedly connected with the base 1, and the right end of the first-stage sliding rod 14 is fixedly connected with the supporting block 20.

Further, the driving rod 8, the primary sliding rod 14 and the secondary sliding rod 19 all penetrate through the movable lath 13.

Further, the synchronizing mechanism 6 further comprises a sliding cylinder 21, connecting plates 22, synchronizing gears 23 and friction pads 24, the sliding cylinder 21 is sleeved on the first-stage sliding rod 14, the left end of the sliding cylinder 21 is fixedly connected with the movable lath 13, the sliding cylinder 21 synchronously moves along with the movable lath 13, two groups of the connecting plates 22 are arranged, the two groups of the connecting plates 22 are respectively positioned on two sides of the first-stage gear 15, the two groups of the connecting plates 22 are fixedly connected with the rotating cylinder 11, the two groups of the connecting plates 22 enable the device to be more stable, the synchronizing gears 23 are sleeved on the driving rod 8, and the left end of the synchronizing gears 23 is fixedly connected with the rotating cylinder 11.

Further, the synchronizing mechanism 6 further comprises a synchronizing block 25, a return spring 26 and a stop block 27, the stop block 27 is fixedly connected with the driving rod 8, the synchronizing block 25 is slidably connected with the driving rod 8 through the tooth grooves 10, the return spring 26 is sleeved on the driving rod 8, and two ends of the return spring 26 are respectively and fixedly connected to the stop block 27 and the synchronizing block 25.

Further, the tooth profile of the synchronizing gear 23 is a triangular prism, the right end of the synchronizing gear 23 is a circular truncated cone, the friction pad 24 is located at the right end of the synchronizing gear 23, a groove matched with the synchronizing gear 23 is formed at the right end of the synchronizing block 25, and the gear teeth of the triangular prism enable the synchronizing gear 23 to be clamped into the groove corresponding to the synchronizing block 25.

Further, the braking mechanism 7 comprises a secondary gear 28, a tertiary gear 29 and friction discs 30, the secondary gear 28 and the tertiary gear 29 are rotatably connected to the right side of the movable lath 13, the secondary gear 28 is meshed with the primary gear 15, the tertiary gear 29 is meshed with the secondary gear 28, two groups of friction discs 30 are arranged, the two groups of friction discs 30 are fixedly connected to the right end of the tertiary gear 29 and the left end of the rotating column 9 respectively, and the rotation directions of the two groups of friction discs 30 are opposite by arranging three groups of gear transmission modes, so that the printing roller is ensured to be braked quickly.

Further, the two groups of friction discs 30 are opposite to each other, so that the brake mechanism 7 can stably run.

The utility model discloses a use as follows: when the utility model is used, after the printing plate roller is installed on the installation plate 18, the driving motor 3 is started, the driving motor 3 drives the driving rod 8 to rotate, the driving rod 8 drives the synchronizing block 25 and the driving gear 16 to rotate, the driving gear 16 drives the driven gear 17 to rotate, then the installation plate 18 drives the printing plate roller to rotate, when the printing is stopped, the driving motor 3 is powered off, at the moment, the printing plate roller continues to rotate under the inertia effect, the electric hydraulic cylinder 12 is started, the electric hydraulic cylinder 12 pushes the movable lath 13 to displace rightwards, the two groups of friction discs 30 are close to each other, the movable lath 13 drives the sliding cylinder 21 to displace rightwards, the sliding cylinder 21 drives the rotating cylinder 11 to displace rightwards through the connecting plate 22, then the synchronizing gear 23 and the friction pad 24 to displace rightwards, the friction pad 24 firstly contacts with the synchronizing gear 23 and generates friction in the displacement process, thereby the synchronizing block 25 drives the synchronizing gear 23 to rotate, when the continuous displacement is carried out, the friction pad 24 and the synchronous block 25 are gradually pressed, the return spring 26 is compressed, the friction force is continuously enhanced, the synchronous block 25 and the synchronous gear 23 are gradually relatively static, after the gear teeth of the synchronous gear 23 are clamped into the synchronous block 25, the synchronous block 25 and the synchronous gear 23 synchronously rotate, the synchronous gear 23 drives the first-stage gear 15 to rotate through the rotary drum 11 when rotating, the first-stage gear 15 drives the second-stage gear 28 to rotate, the second-stage gear 28 drives the third-stage gear 29 to rotate, then the friction discs 30 fixed with the third-stage gear 29 rotate, the movable plate strip 13 continuously displaces rightwards to enable the two friction discs 30 to be tightly abutted and generate friction, the two friction discs 30 are reversely rotated, the printing plate rollers are rapidly stopped, unnecessary abrasion caused by the continuous rotation of the rotary shaft of the driving motor 3 and the printing plate rollers is prevented, and the service life is prolonged.

Embodiment 2, referring to fig. 4, the utility model provides a pair of safety protection device, including base 1, outer shell 2 and driving motor 3 are fixedly connected to base 1, driving motor 3 is arranged on the left side of outer shell 2, driving assembly 4, movable assembly 5, synchronizing mechanism 6 and brake mechanism 7 are arranged in outer shell 2;

the driving assembly 4 comprises a driving rod 8 and a rotating column 9, the driving rod 8 is horizontally and rotatably connected in the shell 2, the rotating column 9 is horizontally and rotatably connected to the right side of the shell 2, the left end of the driving rod 8 penetrates through the shell 2, a rotating shaft of the driving motor 3 is fixedly connected with the left end of the driving rod 8, and a tooth socket 10 is arranged on the driving rod 8;

the synchronous mechanism 6 comprises a rotary drum 11 and a primary gear 15, the primary gear 15 is fixedly connected with the rotary drum 11, and the rotary drum 11 is sleeved on the driving rod 8;

the movable assembly 5 comprises an electric hydraulic cylinder 12, a movable lath 13 and a first-level sliding rod 14, the horizontal fixed connection of the electric hydraulic cylinder 12 is arranged on the left side wall of the shell 2, the movable lath 13 is fixedly connected at the right end of the electric hydraulic cylinder 12, the horizontal fixed connection of the first-level sliding rod 14 is arranged on the left side of the inner wall of the shell 2, the synchronizing mechanism 6 is fixedly connected with the movable lath 13, and the braking mechanism 7 is arranged between the rotating column 9 and the movable lath 13.

Further, the brake mechanism 7 comprises a secondary gear 28, a tertiary gear 29 and friction discs 30, the secondary gear 28 and the tertiary gear 29 are rotatably connected to the right side of the movable lath 13, the secondary gear 28 is meshed with the primary gear 15, the tertiary gear 29 is meshed with the secondary gear 28, two groups of friction discs 30 are arranged, the two groups of friction discs 30 are fixedly connected to the right end of the tertiary gear 29 and the left end of the rotating column 9 respectively, the top of the shell 2 is fixedly connected with a heat dissipation fan 31, the position of the heat dissipation fan 31 is opposite to the position of the friction discs 30, heat generated by friction between the two groups of friction discs 30 during braking can overheat the device, and the heat dissipation fan 31 can dissipate heat of the device by accelerating the exchange speed of air inside and outside the shell.

The utility model discloses a use as follows: when using the utility model discloses the time, the field technical staff dispels the heat to the device through addding heat dissipation fan 31, prevents that the heat that two sets of friction discs 30 friction produced in braking process from making equipment overheated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A driving mechanism for a gravure printing roller comprises a base (1) and is characterized in that a shell (2) and a driving motor (3) are fixedly connected to the base (1), the driving motor (3) is arranged on the left side of the shell (2), and a driving assembly (4), a movable assembly (5), a synchronizing mechanism (6) and a braking mechanism (7) are arranged in the shell (2);

the driving assembly (4) comprises a driving rod (8) and a rotating column (9), the driving rod (8) is horizontally and rotatably connected in the shell (2), the rotating column (9) is horizontally and rotatably connected to the right side of the shell (2), the left end of the driving rod (8) penetrates through the shell (2), a rotating shaft of the driving motor (3) is fixedly connected with the left end of the driving rod (8), and a tooth groove (10) is formed in the driving rod (8);

the synchronous mechanism (6) comprises a rotary drum (11) and a primary gear (15), the primary gear (15) is fixedly connected with the rotary drum (11), and the rotary drum (11) is sleeved on the driving rod (8);

activity subassembly (5) include electric hydraulic cylinder (12), activity lath (13) and one-level slide bar (14), electric hydraulic cylinder (12) level fixed connection is on the left side wall in shell (2), activity lath (13) fixed connection is on electric hydraulic cylinder (12) right-hand member, one-level slide bar (14) level fixed connection is on shell (2) inner wall left side, lazytongs (6) set up on activity lath (13) and actuating lever (8), arrestment mechanism (7) set up on rotation post (9) and activity lath (13).

2. The drive mechanism for the gravure printing roller according to claim 1, wherein the drive assembly (4) further comprises a drive gear (16), a driven gear (17) and a mounting disc (18), the drive gear (16) is fixedly connected with the drive rod (8), the driven gear (17) is fixedly connected with the rotating column (9), the right end of the rotating column (9) penetrates through the housing (2) and extends out of the housing, and the mounting disc (18) is fixedly connected with the right end of the rotating column (9).

3. The drive mechanism for a gravure printing roller according to claim 2, characterized in that the drive gear (16) meshes with the driven gear (17), and the gear ratio of the drive gear (16) to the driven gear (17) is 3: 1.

4. Drive mechanism for intaglio roller according to claim 1 characterized in that said movable assembly (5) further comprises a secondary slide bar (19) and a support block (20), said secondary slide bar (19) being horizontally and fixedly connected within the housing (2), said support block (20) being fixedly connected to the base (1), the right end of said primary slide bar (14) being fixedly connected to the support block (20).

5. Drive mechanism for intaglio roller according to claim 4 characterized in that said driving rod (8), primary slide bar (14) and secondary slide bar (19) all penetrate the movable slat (13).

6. The drive mechanism for the intaglio roller according to claim 1, characterized in that the synchronization mechanism (6) further comprises a sliding cylinder (21), two sets of connection plates (22), two sets of synchronization gears (23) and a friction pad (24), wherein the sliding cylinder (21) is sleeved on the primary sliding rod (14), the left end of the sliding cylinder (21) is fixedly connected with the movable lath (13), the two sets of connection plates (22) are respectively positioned on two sides of the primary gear (15), the two sets of connection plates (22) are both fixedly connected with the drum (11), the synchronization gears (23) are sleeved on the drive rod (8), and the left end of the synchronization gears (23) is fixedly connected with the drum (11).

7. The drive mechanism for the intaglio roller according to claim 6, characterized in that the synchronization mechanism (6) further comprises a synchronization block (25), a return spring (26) and a stop block (27), wherein the stop block (27) is fixedly connected with the drive rod (8), the synchronization block (25) is slidably connected with the drive rod (8) through a tooth slot (10), the return spring (26) is sleeved on the drive rod (8), and two ends of the return spring (26) are respectively fixedly connected with the stop block (27) and the synchronization block (25).

8. The intaglio roller driving mechanism according to claim 7, wherein the tooth profile of the synchronizing gear (23) is triangular prism, the right end of the synchronizing gear (23) is truncated cone-shaped, the friction pad (24) is located at the right end of the synchronizing gear (23), and the right end of the synchronizing block (25) is provided with a groove engaged with the synchronizing gear (23).

9. Drive mechanism for intaglio printing roller according to claim 1, characterized in that said braking mechanism (7) comprises a secondary gear (28), a tertiary gear (29) and friction discs (30), said secondary gear (28) and tertiary gear (29) being rotatably connected to the right side of the movable slat (13), said secondary gear (28) being in engagement with the primary gear (15), said tertiary gear (29) being in engagement with the secondary gear (28), said friction discs (30) being provided in two groups, said two groups of friction discs (30) being fixedly connected to the right end of the tertiary gear (29) and to the left end of the rotary column (9), respectively.

10. Drive mechanism for intaglio printing plate rolls according to claim 9, characterized in that said two sets of friction discs (30) are positioned opposite each other.