CN223521973U

CN223521973U - Spare reel changing positioning device for rotary press

Info

Publication number: CN223521973U
Application number: CN202422838723.0U
Authority: CN
Inventors: 苏炳吝; 唐秀广
Original assignee: Guilin Hongya Color Printing And Packaging Co ltd
Current assignee: Guilin Hongya Color Printing And Packaging Co ltd
Priority date: 2024-11-21
Filing date: 2024-11-21
Publication date: 2025-11-07
Anticipated expiration: 2034-11-21

Abstract

The utility model relates to the technical field of printing machine devices and discloses a standby roll changing positioning device for a rotary printing machine, which comprises a workbench, wherein a placing table is arranged at the top of the workbench, a reel is further arranged at the top of the workbench, a roll changing mechanism is arranged on the left side of the workbench, an adjusting mechanism is further arranged on the left side of the workbench, the roll changing mechanism consists of a fixing assembly and a roll changing assembly, the roll changing assembly comprises a fixing plate, a connecting rod is rotatably connected to the left side of the fixing plate, and a rotating cover is rotatably connected to the inside of the connecting rod. According to the utility model, through the actions of the connecting rod and the rotating cover, the printing machine is stopped in a very short time when the reel is replaced, the replacement mode is more convenient, the downtime caused by reel replacement is greatly reduced, and the printing machine can be kept in an operating state for a longer time, so that more products can be printed in unit time, and the production efficiency is remarkably improved.

Description

Spare reel changing positioning device for rotary press

Technical Field

The utility model relates to the technical field of printing machine devices, in particular to a standby roll changing positioning device for a rotary printing machine.

Background

Rotary presses are important devices in the printing industry, the development of which is closely related to the growth of modern printing demands, lithographic and letterpress printing being dominant in early printing technologies, but with increasing printing traffic and higher demands on printing speeds, rotary presses are increasingly becoming more open-ended, and rotary presses are emerging mainly to meet the demands of large-scale, high-speed, continuous printing. The rotary press can print a large number of pages in a short time, is suitable for producing a large number of printed matters such as newspapers, magazines, advertisement handlets and the like, and is remarkably improved and improved in the aspects of mechanical structure, control system, printing quality and the like along with continuous progress of technology.

In the prior art, most rotary printers have a remarkable limitation in roll changing, namely, the rotary printers need to be stopped for a long time, the long-time stop roll changing mode brings a plurality of adverse effects, the production efficiency is reduced, the delivery time of printed matters is prolonged, and the problem is more remarkable along with the increase of printing traffic and the improvement of efficiency requirements, so that a standby roll changing positioning device for the rotary printers is provided to solve the problems.

Disclosure of utility model

In order to make up for the defects, the utility model provides a standby roll changing positioning device for a rotary printing machine, and aims to solve the problem that the roll changing of the rotary printing machine needs to be stopped so as to reduce the production efficiency in the prior art.

In order to achieve the purpose, the standby roll changing positioning device for the rotary printing machine comprises a workbench, wherein a placing table is arranged at the top of the workbench, a reel is further arranged at the top of the workbench, a roll changing mechanism is arranged on the left side of the workbench, an adjusting mechanism is further arranged on the left side of the workbench, the roll changing mechanism consists of a fixing assembly and a roll changing assembly, the roll changing assembly comprises a fixing plate, a connecting rod is connected to the left side of the fixing plate in a rotating mode, a rotating cover is connected to the inner portion of the connecting rod in a rotating mode, and a rotating wheel is connected to the inner wall of the workbench in a rotating mode.

As further description of the technical scheme, the fixing assembly comprises a mounting plate, an upper rolling plate is fixedly connected to the rear portion of the workbench, a lap joint block is mounted on the top of the workbench, and a spring block is fixedly connected to the left side of the lap joint block.

As further description of the technical scheme, the rear part of the fixing plate is fixedly connected with the workbench, the surface of the rotating wheel is provided with a driving belt, and the rotating wheel is in driving connection with the rotating cover through the driving belt.

As further description of the technical scheme, the right side of the mounting plate is fixedly connected with the left side of the workbench, and the spring block is fixedly connected with the right side of the mounting plate.

As further description of the technical scheme, the adjusting mechanism comprises a sliding plate, the top of the workbench is connected with a baffle plate, the baffle plate is distributed in a front-back opposite mode, and a pressing plate is connected inside the baffle plate in a sliding mode.

As further description of the technical scheme, the adjusting mechanism comprises a transverse block, the inner wall of the transverse block is rotatably connected with a threaded rod, and the top of the threaded rod is fixedly connected with a knob.

As a further description of the above technical solution, the surface of the sliding plate is slidingly connected with the inner wall of the workbench.

As a further description of the technical scheme, the bottom of the transverse block is fixedly connected with the top of the baffle.

The utility model has the following beneficial effects:

1. According to the utility model, through the cooperation operation among the workbench, the placing table, the scroll, the mounting plate, the upper rolling plate, the lap joint block, the spring block, the fixing plate, the connecting rod, the rotating wheel and the rotating cover, the printing machine is stopped only in a very short time when the scroll is replaced under the action of the connecting rod and the rotating cover, the replacement mode is more convenient, the downtime caused by the reel replacement is greatly reduced, the printing machine can be kept in an operation state for a longer time, more products can be printed in unit time, and the production efficiency is remarkably improved.

2. According to the utility model, through the cooperation operation among the sliding plate, the baffle plate, the pressing plate, the transverse block, the threaded rod and the knob, the upper and lower height adjustment of the scroll is realized, the tension distribution of the coiled material is changed, the coiled material is ensured to always maintain proper tension in the printing process, the problems of wrinkling, stretching deformation or inaccurate paper feeding are avoided, and the printing quality is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a standby roll change positioning device for a rotary press according to the present utility model;

FIG. 2 is a semi-sectional view showing the whole structure of a standby roll-changing positioning device for a rotary press according to the present utility model;

FIG. 3 is a schematic view of a stationary plate structure of a standby roll changing positioning device for a rotary press according to the present utility model;

Fig. 4 is a schematic view of the structure of a threaded rod of a standby roll-changing positioning device for a rotary press according to the present utility model.

Legend description:

1. The device comprises a workbench, a placing table, a reel changing mechanism, 401, a mounting plate, 402, an upper rolling plate, 403, a lap joint block, 404, a spring block, 405, a fixed plate, 406, a connecting rod, 407, a rotating wheel, 408, a rotating cover, 5, an adjusting mechanism, 501, a sliding plate, 502, a baffle, 503, a pressing plate, 504, a transverse block, 505, a threaded rod, 506 and a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an embodiment of the utility model provides a standby roll changing positioning device for a rotary printing machine, which comprises a workbench 1, wherein the workbench 1 is a device fixing support body, a placing table 2 is arranged at the top of the workbench 1, the placing table 2 is used for placing printing materials, a scroll 3 is further arranged at the top of the workbench 1, the scroll 3, the workbench 1 and the placing table 2 form the rotary printing machine, and the rotary printing machine is in the prior art, however, a roll changing mechanism 4 is arranged at the left side of the workbench 1, and an adjusting mechanism 5 is also arranged at the left side of the workbench 1;

Referring to fig. 1-3, the reel changing mechanism 4 is composed of a fixing assembly and a reel changing assembly, the reel changing assembly includes a fixing plate 405, the fixing plate 405 is used for placing a reel 3 after a reel is about to run out, a connecting rod 406 is rotatably connected to the left side of the fixing plate 405, one end of the connecting rod 406 is a circular ring, a rotating cover 408 is rotatably connected to the inside of the connecting rod 406, the rotating cover 408 is rotatably connected to the inside of the circular ring at one end of the connecting rod 406, a rotating wheel 407 is rotatably connected to the inner wall of the workbench 1, the rotating wheel 407 is fixedly connected to the output end of the main body of the device, the device is started to drive the rotating wheel 407 to rotate, the rear portion of the fixing plate 405 is fixedly connected with the workbench 1, a driving belt is arranged on the surface of the rotating wheel 407, and the rotating wheel 407 is in driving connection with the rotating cover 408 through the driving belt.

Referring to fig. 1-3, the fixing assembly includes a mounting plate 401, the mounting plate 401 is used for connecting a workbench 1 and a baffle 502, an upper rolling plate 402 is fixedly connected to the rear portion of the workbench 1, the upper rolling plate 402 is different from a fixing plate 405 and is used for placing standby rolling materials, a lap-joint block 403 is mounted on the top of the workbench 1, the lap-joint block 403 is pressed against the inner wall of the mounting plate 401 through a spring block 404 to be attached to the workbench 1 in a staggered manner, the left side of the lap-joint block 403 is fixedly connected with the spring block 404, then a reel 3 and the standby rolling materials can be smoothly pushed into the device to be fixed, the right side of the mounting plate 401 is fixedly connected with the left side of the workbench 1, the spring block 404 is fixedly connected with the right side of the mounting plate 401, the printer is stopped only in a very short time, the replacement mode is more convenient, and the effect of downtime caused by coil replacement is greatly reduced.

Referring to fig. 4, the adjusting mechanism 5 includes a sliding plate 501, a baffle 502 is connected to the top of the workbench 1, the baffle 502 is relatively distributed in front and back, a pressing plate 503 is slidably connected to the inside of the baffle 502, the pressing plate 503 and the sliding plate 501 move through the acting force of a spring, the surface of the sliding plate 501 is slidably connected to the inner wall of the workbench 1, the adjusting mechanism 5 includes a transverse block 504, a threaded rod 505 is rotatably connected to the inner wall of the transverse block 504, the threaded rod 505 rises or falls along the inner wall of the transverse block 504 according to the requirement, a knob 506 is fixedly connected to the top of the threaded rod 505, the knob 506 drives the threaded rod 505 to rotate, the bottom of the transverse block 504 is fixedly connected to the top of the baffle 502, the effect that the reel 3 can be adjusted in the up and down height is achieved, the tension distribution of the coiled material is changed, and the coiled material is ensured to keep proper tension all the time in the printing process.

Working principle: when in use, an operator places the standby roll-changing roller in the upper roll plate 402 when carrying out roll-changing work on the rotary press, then presses the overlap block 403 on the inner wall of the mounting plate 401 through the spring block 404 to be attached, the overlap block 403 is dislocated and separated from the workbench 1, the reel 3 which is about to be used up is pushed onto the fixed plate 405, then the connecting rod 406 rotates along the left side of the fixed plate 405 by pulling the grip on the surface of the rotating cover 408, the purpose that the rotating cover 408 continuously drives the reel 3 to rotate and unwind is achieved, the standby roll-changing roller can be mounted in advance on the other side, the standby roll-changing roller can be directly started when the reel 3 is exhausted, the standby roll-changing roller can repeat the work of the reel 3, the reel 3 which is exhausted can be directly taken away from the fixed plate 405, the press is stopped only by a very short time when the reel 3 is replaced, the replacement mode is more convenient, the downtime caused by reel replacement is greatly reduced, the printer can keep the running state for a longer time, thereby more products can be printed in unit time, the production efficiency is remarkably improved, meanwhile, in the printing process of the rotary press, if the coil material is insufficient in tension and wrinkled or sagged, an operator can rotate the knob 506 through the knob 506, the knob 506 drives the threaded rod 505 to rotate, the threaded rod 505 rises or falls along the inner wall of the transverse block 504 according to the requirement, the pressing plate 503 and the sliding plate 501 move through the acting force of the spring, the purpose of adjusting the upper and lower heights of the scroll 3 is realized, the tension distribution of the coil material is changed, the coil material is ensured to always keep proper tension in the printing process, the problems of wrinkling, stretching deformation or inaccurate paper feeding are avoided, thereby improving the printing quality.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. The standby roll changing positioning device for the rotary printing machine comprises a workbench (1) and is characterized in that a placing table (2) is installed at the top of the workbench (1), a reel (3) is further installed at the top of the workbench (1), a roll changing mechanism (4) is arranged on the left side of the workbench (1), an adjusting mechanism (5) is further arranged on the left side of the workbench (1), the roll changing mechanism (4) consists of a fixing assembly and a roll changing assembly, the roll changing assembly comprises a fixing plate (405), a connecting rod (406) is connected to the left side of the fixing plate (405) in a rotating mode, a rotating cover (408) is connected to the inner side of the connecting rod (406) in a rotating mode, and a rotating wheel (407) is connected to the inner wall of the workbench (1) in a rotating mode.

2. The standby roll changing positioning device for the rotary printing machine according to claim 1, wherein the fixing assembly comprises a mounting plate (401), an upper roll plate (402) is fixedly connected to the rear portion of the workbench (1), a lap joint block (403) is mounted on the top of the workbench (1), and a spring block (404) is fixedly connected to the left side of the lap joint block (403).

3. The standby roll changing positioning device for the rotary printing machine according to claim 1, wherein the rear part of the fixed plate (405) is fixedly connected with the workbench (1), a transmission belt is arranged on the surface of the rotating wheel (407), and the rotating wheel (407) is in transmission connection with the rotating cover (408) through the transmission belt.

4. The standby roll changing positioning device for the rotary press according to claim 2, wherein the right side of the mounting plate (401) is fixedly connected with the left side of the workbench (1), and the spring block (404) is fixedly connected with the right side of the mounting plate (401).

5. The standby roll changing positioning device for the rotary printing machine according to claim 1, wherein the adjusting mechanism (5) comprises a sliding plate (501), a baffle plate (502) is connected to the top of the workbench (1), the baffle plate (502) is distributed in a front-back opposite mode, and a pressing plate (503) is connected to the inside of the baffle plate (502) in a sliding mode.

6. The standby roll changing positioning device for the rotary press according to claim 1, wherein the adjusting mechanism (5) comprises a transverse block (504), a threaded rod (505) is rotatably connected to the inner wall of the transverse block (504), and a knob (506) is fixedly connected to the top of the threaded rod (505).

7. The standby roll changing positioning device for a rotary press according to claim 5, wherein the surface of the sliding plate (501) is slidingly connected with the inner wall of the workbench (1).

8. The backup roll change positioning device for a rotary press of claim 6, wherein the bottom of the transverse block (504) is fixedly connected with the top of the baffle (502).