CN217861385U - Automatic cutting device of low fault rate - Google Patents

Abstract

The utility model relates to an automatic cutting device with low failure rate, which comprises a main shaft (2) which is rotatably arranged on wall boards (1) at the left and the right sides, a left and a right main spiral arms (3) the ends of which are fixedly arranged at the two ends of the main shaft (2), a compression roller (4) which is arranged between the left and the right main spiral arms (3) and a cutting knife (5), wherein a supporting stop (8), a compression roller rotating shaft (9) and a cutting knife rotating shaft (10) are also fixedly arranged between the wall boards (1) at the two sides; the compression roller rotating shaft (9) is fixedly provided with a compression roller spiral arm (11), the left end of the compression roller rotating shaft is provided with a compression roller secondary spiral arm (12), and the compression roller (4) is arranged between the left compression roller spiral arm and the right compression roller spiral arm (11); the cutter rotating shaft (10) is fixedly provided with a cutter rotating arm (14), the right end of the cutter rotating shaft is provided with a cutter secondary rotating arm (15), and the cutting cutter (5) is arranged on a cutter frame (16) between the left cutter rotating arm and the right cutter rotating arm (14). The utility model discloses simple structure, fault rate are low, the cost of manufacture is low, it is convenient to maintain.

Description

Automatic cutting device of low fault rate

Technical Field

The utility model relates to a low fault rate automatic cutting device belongs to gravure printing equipment technical field.

Background

Fixed single-station winding and unwinding intaglio printing press has the advantages that if the material film is to be replaced, the operation must be stopped, the working efficiency is affected on one hand, on the other hand, the tension change can be caused due to the stopping, the intaglio printing press is started again, the machine must be registered again, the material film which is not printed in the printing press is unfinished, the overprinting precision cannot be affected, and therefore waste products are caused, and modern high-speed intaglio printing press mostly adopts a double-station winding and unwinding system to realize automatic and quick material replacement. When the double-station winding and unwinding is rapidly changed, the original winding film needs to be automatically cut off and then adhered to a new material roll, so that automatic roll changing is realized. The existing automatic cutting device is mostly of a swing arm structure, swing arms on the left side and the right side, swing arms of compression rollers on the two sides and swing arms of cutting knives on the two sides are controlled to swing through a left independent air cylinder and a right independent air cylinder, and the problem that the rotation synchronism of the swing arms on the two sides is poor exists; in the limited space between the wall boards on the two sides, the air cylinder actuating mechanisms are more in number, complex in structure, relatively high in failure rate, relatively high in manufacturing cost and inconvenient to maintain after failure occurs.

Disclosure of Invention

An object of the utility model is to overcome the aforesaid not enough, provide a simple structure, with low costs, maintain convenient low fault rate automatic cutting device.

The purpose of the utility model is realized like this:

an automatic cutting device with low failure rate comprises a main shaft, a left main rotating arm, a right main rotating arm, a compression roller and a cutting knife, wherein the main shaft is rotatably arranged on wall plates on the left side and the right side; a supporting baffle is fixedly arranged between the two side wall plates, and a compression roller rotating shaft and a cutter rotating shaft are rotatably arranged between the two side wall plates; the compression roller rotating shaft is fixedly provided with a compression roller rotating arm, the left end of the compression roller rotating shaft is provided with a compression roller secondary rotating arm, the compression roller is arranged between the left compression roller rotating arm and the right compression roller rotating arm, and a compression roller cylinder is hinged between the compression roller secondary rotating arm and the main rotating arm; the cutter rotating shaft is fixedly provided with a cutter rotating arm, the right end of the cutter rotating shaft is provided with a cutter secondary rotating arm, the cutter is arranged on a cutter frame between the left cutter rotating arm and the right cutter rotating arm, and a cutter cylinder is hinged between the cutter secondary rotating arm and the main rotating arm.

Further, the compression roller comprises a compression roller shaft and a compression roller sleeve which is rotatably arranged on the compression roller shaft through a bearing; the compression roller shaft is fixedly arranged between the left compression roller rotating arm and the right compression roller rotating arm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an all install main spiral arm, compression roller spiral arm and cutter spiral arm in corresponding axis of rotation, every axis of rotation only needs a cylinder control swing, has simplified the actuating mechanism when guaranteeing each spiral arm pivoted synchronism in both sides, has reduced cylinder quantity, reduces cutting device fault rate, and the cost of manufacture is low, and the space increases between each spiral arm and side wall board, and it is convenient to maintain when breaking down.

Drawings

Fig. 1 is a schematic structural diagram of the automatic cutting device with low failure rate of the present invention.

Fig. 2 is the utility model discloses a low fault rate automatic cutting device looks sideways at schematic structure diagram.

Fig. 3 is a schematic view of the local enlargement of the automatic cutting device with low failure rate according to the present invention.

Wherein:

the cutting machine comprises a side wall plate 1, a main shaft 2, a main rotary arm 3, a compression roller 4, a cutting knife 5, a rotary arm cylinder 6, a secondary rotary arm 7, a support 8, a compression roller rotary shaft 9, a cutting knife rotary shaft 10, a compression roller rotary arm 11, a compression roller secondary rotary arm 12, a compression roller cylinder 13, a cutting knife rotary arm 14, a cutting knife secondary rotary arm 15, a cutting knife rest 16 and a cutting knife cylinder 17;

a roller shaft 401 and a roller sleeve 402.

Detailed Description

Referring to fig. 1 to 3, the utility model relates to a low failure rate automatic cutting device, which comprises a main shaft 2 rotatably arranged on wall boards 1 at the left and right sides, a left and right main spiral arms 3 with ends fixedly arranged at the two ends of the main shaft 2, a compression roller 4 arranged between the left and right main spiral arms 3 and a cutting knife 5; a radial arm cylinder 6 is hinged to the outer side of the left side wall plate 1, and the movable end of the radial arm cylinder 6 is hinged to the end part of a secondary radial arm 7 arranged at the left end of the main shaft 2 and used for pushing the main shaft 2 to rotate so as to control the main radial arm 3 to rotate; a supporting baffle 8, a compression roller rotating shaft 9 and a cutter rotating shaft 10 are fixedly arranged between the two side wall plates 1; the supporting bars 8 enhance the structural strength of the wall boards 1 on the two sides; the compression roller rotating shaft 9 is fixedly provided with a compression roller swing arm 11, the left end of the compression roller rotating shaft is provided with a compression roller secondary swing arm 12, the compression roller 4 is arranged between the left compression roller swing arm 11 and the right compression roller swing arm 11, a compression roller cylinder 13 is hinged between the compression roller secondary swing arm 12 and the main swing arm 3 and used for pushing the compression roller rotating shaft 9 to rotate so as to control the compression roller 4 to swing, and the compression roller 4 comprises a compression roller shaft 401 and a compression roller sleeve 402 which is rotatably arranged on the compression roller shaft 401 through a bearing; the compression roller shaft 401 is fixedly arranged between the left compression roller spiral arm 11 and the right compression roller spiral arm 11; the cutting knife is characterized in that a cutting knife rotary arm 14 is fixedly arranged on the cutting knife rotary shaft 10, a cutting knife secondary rotary arm 15 is arranged at the right end of the cutting knife rotary shaft, the cutting knife 5 is arranged on a cutting knife rest 16 between the left cutting knife rotary arm 14 and the right cutting knife rotary arm 14, and a cutting knife cylinder 17 is hinged between the cutting knife secondary rotary arm 15 and the main rotary arm 3 and used for controlling the cutting knife 5 to swing to execute cutting action.

When the double-station winding and unwinding is rapidly changed, the rotary arm cylinder 6 pushes the secondary rotary arm 7 to drive the main shaft 2 to rotate, and further drives the main rotary arm 3 to swing to a cutting position; the compression roller cylinder 13 pushes the compression roller secondary rotating arm 12 to drive the compression roller rotating shaft 9 to rotate, and further drives the compression roller rotating arm 11 to swing, so that the compression roller 4 presses the material film downwards to be tightened and leveled; the cutter cylinder 17 pushes the cutter secondary radial arm 15 to drive the cutter rotating shaft 10 to rotate, and further drives the cutter radial arm 14 to swing, so that the cutting knife 5 on the cutting knife rest 16 downwards cuts off the material film, and the automatic cutting action is completed.

In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims (2)

1. The utility model provides an automatic cutting device of low fault rate, contains main shaft (2), tip that rotate to set up on left and right sides wallboard (1) and adorns two main spiral arms (3) of the left and right sides at main shaft (2) both ends admittedly, sets up compression roller (4) and cutting sword (5) between two main spiral arms (3) about, its characterized in that: a swing arm cylinder (6) is hinged to the outer side of the left side wall plate (1), and the movable end of the swing arm cylinder (6) is hinged to the end of a secondary swing arm (7) arranged at the left end of the main shaft (2); a supporting stop (8), a pressing roller rotating shaft (9) and a cutter rotating shaft (10) are fixedly arranged between the two side wall plates (1); the compression roller rotating shaft (9) is fixedly provided with a compression roller spiral arm (11), the left end of the compression roller rotating shaft is provided with a compression roller secondary spiral arm (12), the compression roller (4) is arranged between the left compression roller spiral arm and the right compression roller spiral arm (11), and a compression roller cylinder (13) is hinged between the compression roller secondary spiral arm (12) and the main spiral arm (3); cutter spiral arm (14) is fixedly installed on cutter rotating shaft (10), cutter secondary spiral arm (15) is installed at the right end, cutter (5) is installed on cutter frame (16) between the left cutter spiral arm and the right cutter spiral arm (14), and cutter cylinder (17) is installed between cutter secondary spiral arm (15) and main spiral arm (3) in a hinged mode.

2. The low failure rate automatic cutting device of claim 1, wherein: the compression roller (4) comprises a compression roller shaft (401) and a compression roller sleeve (402) which is rotatably arranged on the compression roller shaft (401) through a bearing; the compression roller shaft (401) is fixedly arranged between the left compression roller rotating arm and the right compression roller rotating arm (11).

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