CN217476827U

CN217476827U - Offset press is with pressing device

Info

Publication number: CN217476827U
Application number: CN202221588854.2U
Authority: CN
Inventors: 郭俊杰; 魏浩; 张自赏; 张晓琳
Original assignee: Beijing Hui Lin Printing Co ltd
Current assignee: Beijing Hui Lin Printing Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-23
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to an impression device for offset press, it includes the frame, installs in impression cylinder and the rubber cylinder of frame, just the roll axis of impression cylinder and rubber cylinder parallels, the impression cylinder is provided with control mechanism, control mechanism includes the motor, the motor is installed in the frame and is used for controlling the impression cylinder and rotates, control mechanism still includes drive assembly, drive assembly slides along the distribution direction of impression cylinder and rubber cylinder and connects in the frame, the impression cylinder rotates and connects in drive assembly, drive assembly connects in the motor output. This application can be adjusted the clearance between impression cylinder and the rubber cylinder.

Description

Offset press is with pressing device

Technical Field

The application relates to the field of offset presses, in particular to a pressing device for an offset press.

Background

Nowadays, adopt offset press to print paper picture and text usually, offset press includes the frame, rotates impression cylinder and the rubber cylinder of connecting in the frame, and the axis of rotation parallel arrangement of impression cylinder and rubber cylinder to, impression cylinder and rubber cylinder all are provided with and are used for controlling self pivoted motor, and the motor is installed in the frame. Wherein the impression cylinder comprises an impression roller and a printing plate. When the printing plate is used, the printing plate is required to be wrapped on the impression roller, and then the printing paper can pass through the gap between the impression roller and the rubber cylinder, so that the pictures and texts on the printing plate can be transferred to the printing paper.

And the rubber roller comprises a supporting roller and rubber cloth sleeved on the supporting roller. When in use, the gap between the impression cylinder and the rubber cylinder can not be adjusted, so that the thickness of the rubber cloth on the rubber cylinder easily influences the size of the gap between the impression cylinder and the rubber cylinder, thereby influencing the quality of the printed paper after printing; or when printing sheets of different thickness are embossed, the printing quality of the printing sheets is affected.

SUMMERY OF THE UTILITY MODEL

In order to adjust the clearance between impression cylinder and the rubber cylinder, this application provides an offset press with stamping device.

The application provides a stamping device for offset press adopts following technical scheme:

the utility model provides an impression device for offset press, includes the frame, installs in the impression cylinder and the rubber cylinder of frame, just the roll axis of impression cylinder and rubber cylinder parallels, the impression cylinder is provided with control mechanism, control mechanism includes the motor, the motor is installed in the frame and is used for controlling the impression cylinder and rotates, control mechanism still includes drive assembly, drive assembly slides along the distribution direction of impression cylinder and rubber cylinder and connects in the frame, the impression cylinder rotates to be connected in drive assembly, drive assembly connects in the motor output.

Through adopting above-mentioned technical scheme, thereby during the use, thereby the transmission assembly that slides can control the impression cylinder and slide, and then adjusts the interval between impression cylinder and the rubber cylinder to be convenient for print the printing of printing paper, and, when the transmission assembly removed different positions, the homoenergetic can be to doing the transmission between motor and the impression cylinder, thereby guarantee the normal use of impression cylinder.

Optionally, control mechanism still includes the driving gear, the coaxial fixed connection of driving gear is in the output of motor, the driving gear is rectangular form and extends along the direction of distribution of impression cylinder and rubber cylinder, transmission assembly includes mount pad and gear train, the mount pad slides and connects in the frame, the impression cylinder tip rotates and connects in the mount pad, the gear train is installed in the mount pad, the gear train is used for doing the transmission between driving gear and the impression cylinder, just the gear train meshes the driving gear and slides and connect in the driving gear, transmission assembly still includes the control that is used for controlling the mount pad and slides.

By adopting the technical scheme, the control piece controls the mounting seat to slide, so that the size of a gap between the impression cylinder and the rubber cylinder is adjusted, the motor can drive the driving gear to rotate, and then the impression cylinder is controlled to rotate through the transmission of the gear set; when the impression cylinder is adjusted, the gear set slides relative to the driving gear while being meshed with the driving gear, so that the impression cylinder is not easy to lose efficacy when the motor drives the impression cylinder.

Optionally, the control member is a first screw rod, the first screw rod is rotatably connected to the frame, and the first screw rod penetrates through the mounting seat and is in threaded connection with the mounting seat.

Through adopting above-mentioned technical scheme, rotate first lead screw and can control the mount pad and slide, and then adjust the clearance size between impression cylinder and the rubber cylinder, and when just first lead screw stall, have the locking effect to the regulation of impression cylinder.

Optionally, the frame fixedly connected with spout, the spout extends along the distribution direction of impression cylinder and rubber cylinder, the mount pad card is established and is slided and connect in the spout.

Through adopting above-mentioned technical scheme, the spout that sets up makes the mount pad comparatively firm when sliding.

Optionally, the gear set includes a first transmission gear and a second transmission gear which are engaged with each other, and both of them are rotatably connected to the mounting base, the impression cylinder is coaxially and fixedly connected to the first transmission gear, and the second transmission gear is engaged with the driving gear and slidably connected to the driving gear.

By adopting the technical scheme, when the impression cylinder is adjusted, the second transmission gear can slide relative to the driving gear while being meshed with the driving gear, so that the driving of the motor to the impression cylinder is ensured.

Optionally, a sliding seat is arranged at one end, far away from the mounting seat, of the impression cylinder, the impression cylinder is rotatably connected to the sliding seat, and the sliding seat is connected to the rack in a sliding manner.

Through adopting above-mentioned technical scheme, the impression cylinder can receive the support of mount pad and slide simultaneously when adjusting to improve the steadiness of impression cylinder.

Optionally, the slide is penetrated and threaded connection has a second lead screw, the second lead screw rotates to be connected to the frame, the frame is provided with drive assembly, drive assembly includes the transfer line, the transfer line rotates to be connected to the frame, drive assembly still includes two coaxial fixed connection in the third drive gear of transfer line, the equal coaxial fixedly connected with fourth drive gear of first lead screw and second lead screw, two fourth drive gear is respectively the one-to-one meshing in two third drive gear.

By adopting the technical scheme, the transmission rod is rotated during use, and then the first screw rod and the second screw rod can be driven to synchronously rotate under the action of the third transmission gear and the fourth transmission gear, so that the mounting seat and the sliding seat are controlled to synchronously slide, and the effect of controlling the stamping roller to slide is better.

Optionally, the rack is provided with a bevel protractor surrounding the transmission rod, and the transmission rod is provided with a pointer pointing to the bevel protractor.

By adopting the technical scheme, the rotating angle of the transmission rod can be read out, and the adjusting size of the impression cylinder can be conveniently known.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the stamping machine is used, the sliding transmission assembly can control the stamping cylinder to slide, so that the distance between the stamping cylinder and the rubber cylinder is adjusted, printing of printing paper is facilitated, and when the transmission assembly moves to different positions, transmission can be performed between the motor and the stamping cylinder, so that normal use of the stamping cylinder is guaranteed;

2. the motor can drive the driving gear to rotate, then the driving gear is driven by the gear set to control the rotation of the impression cylinder, and when the impression cylinder is adjusted, the gear set is meshed with the driving gear, and meanwhile the driving gear slides relatively, so that the situation that the driving of the motor to the impression cylinder is not prone to failure is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic illustration in partial cross-sectional view of an embodiment of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

fig. 5 is an enlarged schematic view of a portion C of fig. 1.

Description of reference numerals: 1. a frame; 2. an impression cylinder; 3. a rubber roller; 4. a control mechanism; 41. a motor; 42. a driving gear; 43. a transmission assembly; 431. a mounting seat; 432. a gear set; 4321. a first drive gear; 4322. a second transmission gear; 433. a first lead screw; 434. a chute; 5. a slide base; 51. a second lead screw; 6. a drive assembly; 61. a transmission rod; 62. a third transmission gear; 63. a fourth transmission gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses offset press is with pressing device. Referring to fig. 1, an impression apparatus for an offset printing machine includes a frame 1, an impression cylinder 2 and a blanket cylinder 3 mounted to the frame 1. The impression cylinder 2 is provided with a control mechanism 4, the control mechanism 4 comprises a motor 41, a driving gear 42 and a transmission assembly 43, the motor 41 is installed on the frame 1, and the driving gear 42 is coaxially and fixedly connected to the output end of the motor 41. The driving gear 42 is elongated and extends along the distribution direction of the impression cylinder 2 and the blanket cylinder 3.

The transmission assembly 43 is slidably connected to the frame 1, the impression cylinder 2 is rotatably connected to the transmission assembly 43, so that the impression cylinder 2 is slidably connected to the frame 1, and the transmission assembly 43 is engaged with the driving gear 42 and slidably connected to the driving gear 42. The rubber roller 3 is rotatably connected to the frame 1, and the impression roller 2 is parallel to the rolling axis of the rubber roller 3.

During the use, thereby the transmission assembly 43 that slides can control impression cylinder 2 and slide, and then adjusts the interval between impression cylinder 2 and the rubber cylinder 3 to be convenient for the printing of printing paper. In addition, the driving gear 42 is arranged, so that the driving assembly 43 can be kept meshed with the driving gear 42 in the adjusting process of the impression cylinder 2, and the motor 41 can control the impression cylinder 2 to rotate when the impression cylinder 2 is adjusted to any position.

Referring to fig. 2 and 3, the transmission assembly 43 includes a mount 431, a gear set 432, and a control member. The frame 1 is fixedly connected with a chute 434, the chute 434 extends along the distribution direction of the impression cylinder 2 and the rubber cylinder 3, and the mounting seat 431 is clamped and connected with the chute 434 in a sliding manner. The gear set 432 includes a first transmission gear 4321 and a second transmission gear 4322 which are engaged with each other, and the first transmission gear 4321 and the second transmission gear 4322 are both rotatably connected to the mounting seat 431. The impression cylinder 2 is rotatably connected to the mounting base 431, one end of the impression cylinder 2 is coaxially and fixedly connected to the first transmission gear 4321, and the second transmission gear 4322 is meshed with the driving gear 42 and is connected to the driving gear 42 in a sliding manner.

The control piece is set as a first screw rod 433, the first screw rod 433 is rotatably connected to the rack 1, and the first screw rod 433 penetrates through and is in threaded connection with the mounting base 431.

When the stamping device is used, the first screw rod 433 is rotated to control the mounting seat 431 to slide, so that the size of a gap between the stamping roller 2 and the rubber roller 3 is adjusted. The provision of the runner 434 enables the mount 431 to be relatively stable when slid. Moreover, the motor 41 can drive the driving gear 42 to rotate, and then the impression cylinder 2 is controlled to rotate through the transmission of the gear set 432; and when the impression cylinder 2 is adjusted, the second transmission gear 4322 can slip relative to the driving gear 42, thereby ensuring that the driving of the impression cylinder 2 by the motor 41 is not easy to fail.

In other embodiments, the control member may also be provided as a pneumatic or hydraulic cylinder.

Referring to fig. 2, at the same time, a sliding base 5 is disposed at an end of the impression cylinder 2 away from the mounting base 431, the sliding base 5 is slidably connected to the frame 1, and an end of the impression cylinder 2 away from the mounting base 431 is rotatably connected to the sliding base 5. So that the impression cylinder 2 can be supported by the mount 431 and the slide 5 at the same time when adjusted, thereby improving the stability of the impression cylinder 2.

Referring to fig. 2 and 4, the slide 5 is inserted and screwed with a second lead screw 51, and the second lead screw 51 is rotatably connected to the frame 1. The frame 1 is provided with a driving assembly 6, the driving assembly 6 comprises a transmission rod 61 and two third transmission gears 62, and the two third transmission gears 62 are coaxially and fixedly connected to the transmission rod 61. The first screw 433 and the second screw 51 are both coaxially and fixedly connected with fourth transmission gears 63, and the two fourth transmission gears 63 are respectively meshed with the two third transmission gears 62 in a one-to-one correspondence manner.

When the stamping device is used, the transmission rod 61 is rotated, and then the first screw rod 433 and the second screw rod 51 can be driven to synchronously rotate under the action of the third transmission gear 62 and the fourth transmission gear 63, so that the mounting seat 431 and the sliding seat 5 are controlled to synchronously slide, and the effect of controlling the sliding of the stamping roller 2 is better.

Referring to fig. 5, one end of the transmission rod 61 penetrates out of the frame 1, the frame 1 is provided with a bevel gauge surrounding the transmission rod 61, and the transmission rod 61 is provided with a pointer extending towards the bevel gauge. The angle by which the transmission rod 61 is rotated can thus be read out, which facilitates the knowledge of the size of the adjustment of the impression cylinder 2.

The implementation principle of the stamping device for the offset press is as follows: when the sliding seat is used, the transmission rod 61 is rotated, and then the first screw rod 433 and the second screw rod 51 can be driven to synchronously rotate under the action of the third transmission gear 62 and the fourth transmission gear 63, so that the installation seat 431 and the sliding seat 5 are controlled to synchronously slide. And further, the interval between the impression cylinder 2 and the blanket cylinder 3 is adjusted, thereby facilitating printing of the printing paper.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an offset press is with printing device, includes frame (1), installs in impression cylinder (2) and rubber cylinder (3) of frame (1), just the roll axis of impression cylinder (2) and rubber cylinder (3) parallels, its characterized in that: impression cylinder (2) are provided with control mechanism (4), control mechanism (4) include motor (41), motor (41) are installed in frame (1) and are used for controlling impression cylinder (2) to rotate, control mechanism (4) still include drive assembly (43), drive assembly (43) along impression cylinder (2) with the distribution direction of rubber cylinder (3) slide connect in frame (1), impression cylinder (2) rotate to be connected in drive assembly (43), drive assembly (43) are connected in motor (41) output.

2. The pressing device for an offset printing machine according to claim 1, wherein: the control mechanism (4) also comprises a driving gear (42), the driving gear (42) is coaxially and fixedly connected with the output end of the motor (41), the driving gear (42) is strip-shaped and extends along the distribution direction of the impression cylinder (2) and the rubber cylinder (3), the transmission assembly (43) comprises a mounting seat (431) and a gear set (432), the mounting seat (431) is connected to the frame (1) in a sliding manner, the end part of the impression cylinder (2) is rotatably connected to the mounting seat (431), the gear set (432) is arranged on the mounting seat (431), the gear set (432) is used for transmitting the driving gear (42) and the impression cylinder (2), and the gear set (432) is meshed with the driving gear (42) and is connected with the driving gear (42) in a sliding way, the transmission assembly (43) further comprises a control member for controlling the sliding of the mounting seat (431).

3. The printing apparatus for an offset printing press according to claim 2, wherein: the control piece sets up to first lead screw (433), first lead screw (433) rotate to be connected in frame (1), first lead screw (433) wear to establish and threaded connection in mount pad (431).

4. A printing apparatus for an offset printing press according to claim 3, wherein: frame (1) fixedly connected with spout (434), spout (434) extend along impression cylinder (2) and the distribution direction of rubber cylinder (3), mount pad (431) card is established and is slided and connect in spout (434).

5. The printing apparatus for an offset printing press according to claim 2, wherein: the gear set (432) comprises a first transmission gear (4321) and a second transmission gear (4322) which are meshed with each other, the first transmission gear and the second transmission gear are both rotatably connected to the mounting base (431), the impression cylinder (2) is coaxially and fixedly connected to the first transmission gear (4321), and the second transmission gear (4322) is meshed with the driving gear (42) and is connected to the driving gear (42) in a sliding mode.

6. A pressing device for an offset printing machine according to claim 3, wherein: one end of the impression cylinder (2) far away from the mounting seat (431) is provided with a sliding seat (5), the impression cylinder (2) is rotatably connected to the sliding seat (5), and the sliding seat (5) is connected to the rack (1) in a sliding manner.

7. The printing apparatus for an offset printing press according to claim 6, wherein: slide (5) wear to establish and threaded connection has second lead screw (51), second lead screw (51) rotate to be connected in frame (1), frame (1) is provided with drive assembly (6), drive assembly (6) are including transfer line (61), transfer line (61) rotate and connect frame (1), drive assembly (6) still include two coaxial fixed connection in third drive gear (62) of transfer line (61), the equal coaxial fixedly connected with fourth drive gear (63) of first lead screw (433) and second lead screw (51), two fourth drive gear (63) are the one-to-one meshing respectively in two third drive gear (62).

8. The printing apparatus for an offset printing press according to claim 7, wherein: the frame (1) is provided with a bevel protractor surrounding the transmission rod (61), and the transmission rod (61) is provided with a pointer pointing to the bevel protractor.