CN216548774U

CN216548774U - Winding and pressing device

Info

Publication number: CN216548774U
Application number: CN202122553977.4U
Authority: CN
Inventors: 张圣荣
Original assignee: Jiangyin Jiaming Printing And Packaging Machinery Co ltd
Current assignee: Jiangyin Jiaming Printing And Packaging Machinery Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-05-17
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to a winding and pressing device, which comprises a main shaft (2) and an air cylinder (4) which are erected on a rack (1) at two sides of a winding part, and a compression roller swing arm (3) arranged on the main shaft (2), wherein two ends of the compression roller swing arm (3) are respectively erected with a compression roller (5) and a counterweight shaft (6), the main shaft (2) is erected on the rack (1) through a bearing in a rotating way, the middle part of the compression roller swing arm (3) is fixedly arranged on the main shaft (2), the parts of two ends of the main shaft (2) which are positioned at the outer side of the rack (1) are fixedly provided with air cylinder swing arms (7), and the end parts of the air cylinder swing arms (7) are hinged with a piston rod of the air cylinder (4); the compression roller (5) is rotatably arranged on the compression roller shaft (8) through a bearing, and two ends of the compression roller shaft (8) are embedded in the sliding grooves (302) at the end parts of the compression roller swing arms (3) in a sliding mode. The utility model has simple structure, high adjusting efficiency, convenient maintenance and overhaul and can effectively control the problem of the size and the diameter of the material roll.

Description

Winding and pressing device

Technical Field

The utility model relates to a winding and pressing device, and belongs to the technical field of printing and packaging mechanical equipment.

Background

In the winding part of printing and packaging equipment such as a web printing machine, a compound machine, a coating machine and the like, such as a unit type gravure printing machine, in the winding process, due to the reasons of material film thickness, asymmetric printing patterns, tension fluctuation and the like, the problems of material roll shaking, left and right large and small diameters, end surface irregularity, wrinkling and the like can be caused during winding. At present, a material receiving compression roller device is installed at a winding part, and a compression roller presses a material roll with certain pressure all the time when receiving the material, so that the material film of the material roll is flat and smooth in the winding process, the tension is moderate, and the end face of the material roll is curled neatly. Traditional receipts material compression roller device adopts full manual regulation, needs adjust at any time according to the material roll situation, wastes time and energy, and work efficiency is low, still has certain potential safety hazard.

Chinese patent CN2009203113580 provides a material receiving press roll device of a web material printing machine, which utilizes the stable pressure of an air cylinder to act on a press roll, and adds floating mechanisms arranged at two ends of the press roll, thereby automatically controlling the pressure of the press roll and a material roll and ensuring the balance of left and right pressure; however, because the swing arms on one side are independently controlled by the cylinders on the two sides, when the material roll has large and small diameters at the two ends, the pressure of the compression roller on the two ends is constant, so that the large and small diameters can be kept all the time and cannot be eliminated; in addition, the structure can only place the mechanical transmission mechanisms in the wall plates at the two sides of the winding mechanism, so that a great deal of invariance is brought to maintenance; in addition, the floating mechanism matched with the floating mechanism is complex in structure, low in manufacturing and mounting efficiency, high in cost and high in failure rate.

Therefore, a rolling and pressing device which can practically control the rolling diameters at the two ends of the material roll, has a simple integral structure, is low in cost and is convenient to adjust is needed.

Disclosure of Invention

The utility model aims to overcome the defects and provide the winding and pressing device which is simple and reliable in overall structure, convenient to adjust, capable of effectively controlling the winding diameter and the winding diameter, high in efficiency and low in cost.

The purpose of the utility model is realized as follows:

a winding and pressing device comprises a main shaft, an air cylinder and a compression roller swing arm, wherein the main shaft and the air cylinder are erected on a machine frame on two sides of a winding part, the compression roller swing arm is installed on the main shaft, a compression roller and a counterweight shaft are erected at two ends of the compression roller swing arm respectively, the main shaft is erected on the machine frame through a bearing in a rotating mode, the middle of the compression roller swing arm is fixedly installed on the main shaft, the air cylinder swing arm is fixedly installed at a position, located on the outer side of the machine frame, of two ends of the main shaft, and the end part of the air cylinder swing arm is hinged to a piston rod of the air cylinder; the compression roller passes through the bearing and rotates the setting on the compression roller axle, and the both ends slip of compression roller axle are inlayed and are put in the spout of compression roller swing arm tip, and the tip of compression roller axle is equipped with the screw hole, and the tip of compression roller swing arm rotates and is provided with the screw rod, and the screw rod is arranged in the screw hole soon, and the position of compression roller axle in the spout can be adjusted to rotatory screw rod.

The utility model relates to a winding and pressing device, wherein a hand wheel with scales is arranged at the tail part of a screw rod.

The utility model relates to a winding and pressing device, wherein a chute is U-shaped.

The utility model relates to a winding and pressing device, wherein a rubber layer is coated on the surface layer of a press roller.

The utility model relates to a winding and pressing device, wherein a rolling guide roller is also erected on a rack.

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

according to the utility model, the air cylinder is linked with the main shaft, the main shaft is linked with the compression roller swing arm, and the compression roller swing arm controls the compression roller position, so that the air cylinder can be erected outside the rack, and the whole structure is simple and is convenient to maintain and overhaul; the compression roller manually adjusts the parallelism through the screw, and has simple structure, low failure rate and convenient adjustment; the mode that the compression roller both ends compressed tightly the removal in step can avoid appearing the problem that can not in time be corrected when rolling big or small footpath.

Drawings

Fig. 1 is a schematic side view of a winding and pressing device according to the present invention.

Fig. 2 is a schematic view of a front partial cross-sectional structure of a winding and pressing device according to the present invention.

Fig. 3 is a schematic view of an assembly structure of a pressure roller swing arm end and a pressure roller shaft of the winding and pressing device.

Wherein:

the device comprises a frame 1, a main shaft 2, a compression roller swing arm 3, an air cylinder 4, a compression roller 5, a balance weight shaft 6, an air cylinder swing arm 7, a compression roller shaft 8 and a rolling guide roller 9;

screw 301, spout 302, hand wheel 303, screw hole 801.

Detailed Description

Referring to fig. 1-3, the winding and pressing device comprises a main shaft 2, an air cylinder 4, a rolling guide roller 9 and a pressing roller swing arm 3, wherein the main shaft 2, the air cylinder 4 and the rolling guide roller 9 are erected on a rack 1 on two sides of a winding part, the pressing roller swing arm 3 is installed on the main shaft 2, two ends of the pressing roller swing arm 3 are respectively erected with a pressing roller 5 and a counterweight shaft 6, and a rubber layer is coated on the surface layer of the pressing roller 5; the main shaft 2 is rotatably erected on the rack 1 through a bearing, the middle part of the compression roller swing arm 3 is fixedly arranged on the main shaft 2, the positions, located on the outer side of the rack 1, at the two ends of the main shaft 2 are fixedly provided with cylinder swing arms 7, and the end parts of the cylinder swing arms 7 are hinged with piston rods of the cylinders 4; the pressing roller 5 is rotatably arranged on the pressing roller shaft 8 through a bearing, two ends of the pressing roller shaft 8 are slidably embedded in the U-shaped sliding grooves 302 at the end parts of the pressing roller swing arms 3, the end parts of the pressing roller shaft 8 are provided with threaded holes 801, the end parts of the pressing roller swing arms 3 are rotatably provided with screw rods 301, the screw rods 301 are rotatably arranged in the threaded holes 801, hand wheels 303 with scales are installed at the tail parts of the screw rods 301, and the positions of the pressing roller shaft 8 in the sliding grooves 302 can be adjusted by rotating the screw rods 301.

When the material roll takes place the big path in both ends when producing the rolling, because compression roller 5 remains throughout and rolls up the axis of rotation parallel with the material, big footpath end receives the pressure of compression roller 5 and becomes along with its diameter grow gradually, consequently, the rolling firmness can improve, and the path end receives the support of big footpath end because compression roller 5, its pressure that receives compression roller 5 becomes gradually along with big footpath end diameter grow gradually and diminishes gradually, consequently, the material roll firmness of path end becomes pine, consequently big footpath end is owing to receive compression roller 5 pressure grow gradually, the material membrane rolling is compacter more closely, its diameter is corresponding slow, path end receives compression roller 5 pressure and diminishes gradually, the material membrane rolling is loose more, its diameter is corresponding to be grown sooner, along with this disappears to grow, both ends resume to the diameter unanimity again, then the pressure material roll of compression roller 5 is rolled up evenly once more to the whole root again, thereby realize automatic control's big footpath phenomenon.

The adjusting hand wheel 303 can conveniently and quickly adjust the parallelism between the pressing roller 5 and the material reel, and the pressure of the control cylinder 4 can ensure the whole pressure of the pressing roller 5 to be stable.

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

1. The utility model provides a rolling press device, contains main shaft (2) and cylinder (4) of erectting on rolling portion both sides frame (1), installs compression roller swing arm (3) on main shaft (2), and compression roller swing arm (3)'s both ends have erect compression roller (5) and counter weight axle (6) respectively, its characterized in that: the main shaft (2) is rotatably erected on the rack (1) through a bearing, the middle part of the compression roller swing arm (3) is fixedly arranged on the main shaft (2), the positions, located on the outer side of the rack (1), of the two ends of the main shaft (2) are fixedly provided with an air cylinder swing arm (7), and the end part of the air cylinder swing arm (7) is hinged with a piston rod of the air cylinder (4); the compression roller (5) is rotatably arranged on the compression roller shaft (8) through a bearing, the two ends of the compression roller shaft (8) are slidably embedded in a sliding groove (302) at the end part of the compression roller swing arm (3), a threaded hole (801) is formed in the end part of the compression roller shaft (8), a screw rod (301) is rotatably arranged at the end part of the compression roller swing arm (3), the threaded hole (801) is rotatably arranged in the screw rod (301), and the position of the compression roller shaft (8) in the sliding groove (302) can be adjusted by rotating the screw rod (301).

2. The winding and pressing device of claim 1, characterized in that: and a hand wheel (303) with scales is arranged at the tail part of the screw rod (301).

3. The winding and pressing device of claim 1, characterized in that: the sliding groove (302) is U-shaped.

4. The winding and pressing device of claim 1, characterized in that: the surface layer of the press roller (5) is coated with a rubber layer.

5. The winding and pressing device of claim 1, characterized in that: and a rolling guide roller (9) is also erected on the rack (1).