CN111731904A - Pneumatic loading and unloading film roll mechanism for printing press - Google Patents

Abstract

The invention discloses a pneumatic loading and unloading film roll mechanism of a printing press, which comprises a main swing arm and a lower swing arm, one end of the lower swing arm is connected to the main swing arm through a swing bearing, and a small air cylinder is arranged on the inner side of the main swing arm. The main swing arm is fixedly connected to the slide rail through screws, and the slide rail is provided with a matching sliding block that is movably connected to the slide rail. A fisheye joint connected with a small cylinder is installed on the push rod, and one end of the push rod extends to the outside of the main swing arm; the overall structure of the present invention is simple and the design is reasonable, and the main swing arm is driven by the large air cylinder and the small air cylinder respectively. The rotation and movement of the machine will load and unload the heavier film roll, which reduces the labor intensity of the workers, enhances the operation safety, and reduces the work injury caused by the damage to the lumbar spine caused by the upper and lower loading and unloading of the operator.

Description

Pneumatic loading and unloading film roll mechanism for printing press

technical field

The invention belongs to the technical field of printing presses, and particularly relates to a pneumatic loading and unloading film roll mechanism of a printing press.

Background technique

When printing, it is sometimes necessary to coat the printed product. Since the film is in a roll structure, the film roll needs to be placed on the printing machine when it is used. The existing printing machine is generally used when placing the film roll or removing the lower film roll. Manual operation is not only time-consuming and labor-intensive, but also because the film roll is generally heavy, about 100 kilograms, after a long time of installation or removal, the lumbar spine of the operator will inevitably cause work-related injuries.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a pneumatic loading and unloading film roll mechanism for a printing machine, and the specific scheme is as follows:

A pneumatic loading and unloading film roll mechanism for a printing press includes a main swing arm and a lower swing arm, one end of the lower swing arm is connected to the main swing arm through a swing bearing, a small air cylinder is arranged on the inner side of the main swing arm, and the main swing arm is provided with a small cylinder. The arm is fixedly connected to the slide rail by screws, and the slide rail is provided with a matching slider that is movably connected to the slide rail. One end of the connection between the slider and the cylinder is installed with a push rod through screws. A fisheye joint connected with the small cylinder is installed, and one end of the push rod extends to the outside of the main swing arm;

A large air cylinder is connected below the main swing arm, one end of the large air cylinder is connected to the main swing arm, and the other end is connected to the printing press.

Further, one end of the lower swing arm is provided with two material support rod bearings, and a tow rod of the film roll is placed between the two material support rod bearings.

Further, the lower part of the main swing arm is connected to the lower part of the printer body through the installation and positioning bearing.

Further, the length of the large cylinder is greater than the length of the small cylinder.

Further, the lower end of the small swing arm is provided with a deep groove ball bearing.

Further, the push rod and the slide rail are perpendicular to each other.

Adopt the above-mentioned technical scheme, have the following beneficial effects:

The overall structure of the invention is simple and the design is reasonable. The large air cylinder and the small air cylinder respectively drive the rotation and movement of the main swing arm to load and unload the heavier film roll, which reduces the labor intensity of workers, enhances operation safety, and reduces the number of operators. Work-related injuries caused by damage to the lumbar spine caused by the upper and lower loading and unloading.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the use state schematic diagram of the present invention;

In the picture: 1-large cylinder; 2-small cylinder; 3-main swing arm; 4-lower arm; 5-installation positioning bearing; 6-slider; 7-slide rail; 8-push rod; 9-material support rod Bearing; 10-deep groove ball bearing; 11-swing bearing; 12-locking ring; 13-fish eye joint.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

Example 1:

As shown in FIG. 1 and FIG. 2 , a pneumatic loading and unloading film roll mechanism of a printing press includes a main swing arm 3 and a lower swing arm 4 . One end of the lower swing arm 3 is connected to the main swing arm 3 through a swing bearing 11 . The inner side of the main swing arm 3 is provided with a small cylinder 2, and the main swing arm 3 is fixedly connected to the slide rail 7 by screws. One end where the rail 7 is connected with the small cylinder 2 is installed with a push rod 8 through a bearing. The push rod 8 is provided with a fisheye connection 13 connected with the small cylinder 2, and one end of the push rod 8 extends to the main pendulum. the outer side of arm 3;

A large air cylinder 1 is connected below the main swing arm 3, one end of the large air cylinder 1 is connected to the main swing arm 3, and the other end is connected to the printing press.

One end of the lower swing arm 4 is provided with two material support rod bearings 9, between the two material support rod bearings 9 is placed the tow rod of the film roll, and the lower part of the main swing arm 3 is installed on the lower part through the installation hole at the lower end. On the main shaft, the main shaft is installed under the printing press by installing a positioning bearing and a bearing seat, the length of the large cylinder 1 is greater than that of the small cylinder 2, and the lower end of the lower arm 4 is provided with a deep groove ball bearing 10. The push rod 8 and the slide rail 7 are perpendicular to each other.

The installation and positioning bearing 5 in the present invention is an outer spherical bearing with an F series bearing seat, the support rod bearing 9 adopts a total of four deep groove ball bearings on one side, and the swing bearing 11 adopts a combination of two bearings including a deep groove ball bearing. The groove bearing is installed inside the main swing arm and the plane bearing is installed in the middle of the abutment surface of the main swing arm 3 and the lower swing arm 4 .

The small cylinder 2 in the present invention is mounted on the tailstock and welded on the main swing arm 3 .

In the present invention, two identical structures in Fig. 1 are used to realize, that is, the present invention describes one of the entire mechanism, and the other half is the same. When working, the entire mechanism runs together. When connecting, by installing The rotating shaft in the center of the positioning bearing 5 and the small hole mounting rod at the bottom of the main swing arm install the two parts together, so that the two main swing arms can move up and down synchronously.

In the specific use of the present invention, the large cylinder 1 moves upward, which drives the main swing arm 3 and the lower swing arm 4 to move upward, and the lower swing arm 4 hooks the film unwinding shaft of the printing machine with the film roll to a predetermined position and completes the feeding. At the same time, the upper end of the main swing arm 3 also reaches the predetermined position obliquely below the reel of the printing machine, the printing machine starts to work, the film material on the reel is gradually transferred to the reel until it is all, and the printing machine stops working , When unloading, the staff will take out the film unwinding reel without material and install it on the next film roll to prepare for the next feeding. When unloading, the lower cylinder will drive the slider 6 upward to remove the film unwinding reel from the shaft seat of the printing press. After exiting, it is transferred to the main swing arm 3, and the large cylinder 1 goes down to drive the main swing arm 3 to go down to place the film roll on the ground to complete the unloading process.

The cylinder rod of the large cylinder 1 of the present invention is provided with a locking ring 12 to adjust the height of the top dead center position of the main swing arm.

The present invention adopts the lever principle to realize a set of mechanism for loading and unloading the heavier large film roll onto and from the printing press through the cooperation of various components. The dotted line part in FIG. 2 is the printer part.

The overall structure of the invention is simple and the design is reasonable. The large air cylinder 1 and the small air cylinder 2 respectively drive the rotation and movement of the main swing arm 3 to load and unload the heavier film roll, thereby reducing the labor intensity of workers and enhancing the operation safety. Reduce work injuries caused by damage to the lumbar spine caused by the operator's upper and lower loading and unloading.

The basic principles and main features of the present invention have been described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention, without departing from the present invention. Under the premise of the spirit and scope, the present invention will also have various changes and corresponding improvements, and these changes and improvements all fall within the scope of the claimed invention, and the claimed scope of the invention is determined by the appended claims and their equivalents. object definition.

Claims (6)

1. A pneumatic film roll loading and unloading mechanism of a printing machine is characterized by comprising a main swing arm and a lower swing arm, wherein one end of the lower swing arm is connected to the main swing arm through a swing bearing, a small air cylinder is arranged on the inner side of the main swing arm, the main swing arm is fixedly connected to a slide rail through a screw, a sliding block which is movably connected with the slide rail and matched with the slide rail is arranged on the slide rail, a push rod is installed at one end of the joint of the sliding block and the air cylinder through the screw, a fisheye joint connected with the small air cylinder is installed on the push rod, and one end of the push rod extends to the outer side;

the lower part of the main swing arm is connected with a large air cylinder, one end of the large air cylinder is connected to the main swing arm, and the other end of the large air cylinder is connected to the printing machine.

2. The pneumatic film roll loading and unloading mechanism of the printing machine as recited in claim 1, wherein one end of the lower swing arm is provided with two material supporting rod bearings, and a drag rod of the film roll is placed between the two material supporting rod bearings.

3. The pneumatic loading and unloading film roll mechanism of the printing machine as recited in claim 1, wherein the lower part of the main swing arm is connected to the lower part of the printing machine body through a mounting positioning bearing.

4. The pneumatic film roll loading and unloading mechanism of a printing machine as recited in claim 1, wherein the large cylinder is longer than the small cylinder.

5. The pneumatic film roll loading and unloading mechanism of the printing machine as recited in claim 1, wherein a deep groove ball bearing is arranged at one end of the lower part of the small swing arm.

6. The pneumatic film roll loading and unloading mechanism of a printing machine as recited in claim 1, wherein the push rod and the slide rail are perpendicular to each other.

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