CN214323501U

CN214323501U - Anvil-free roll crosscutting device for web material

Info

Publication number: CN214323501U
Application number: CN202120214853.0U
Authority: CN
Inventors: 王永革; 倪小辉; 胡永杰
Original assignee: Hebei Wanjie Machinery Technology Co ltd
Current assignee: Hebei Wanjie Machinery Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-01
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a web material lateral cutting device without anvil roll, which comprises an upper cutter arranged above the web material and a lower cutter arranged below the web material, wherein the lower cutter is arranged on the peripheral circle of a rotary roller; the rotary roller is fixedly connected with the frame; the top of the frame is provided with a fixed seat, and the bottom of the fixed seat is provided with an upper cutter placing groove; the upper cutter is arranged in the upper cutter placing groove, the utility model replaces the original structure of the anvil roller with the structure of the cutter head and the fixed seat, the structure of the scheme is simple, and the manufacturing cost is greatly reduced compared with that of the anvil roller; the upper cutter and the mounting structure thereof are convenient to replace and maintain.

Description

Anvil-free roll crosscutting device for web material

Technical Field

The utility model relates to a web cutting device, concretely relates to web does not have hammering block roller crosscut device.

Background

With the continuous development of the printing packaging industry, the manufacturing process of the printing packaging is more and more diversified, and the roll material does not need to be cut into single sheets and then printed and finished. Consequently, the crosscutting device is brought in-line with the printing process, etc. in a stepwise manner. The existing commonly used transverse cutting device is generally matched with an anvil roll and a die cutting roll cylinder for use, the anvil roll is used as a key part for transverse cutting, and the heat treatment hardness, the self rigidity, the size precision, the shape precision and the dynamic balance precision of the anvil roll directly influence the quality of a printed product, so that the anvil roll has extremely high processing difficulty and high cost, and can not be repaired if the defects of bending, abrasion and the like occur in the using process.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a coiled material crosscut device that does not need hammering block roller to accomplish the coiled material cutting, solve the hammering block roller that is used for cutting the coiled material and cut roller production and require high, the operation requirement is high, hammering block roller warp unable prosthetic problem.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a web does not have transecting device of the anvil roll, including setting up the upper cutter above the web and setting up the lower cutter under the web, the lower cutter is mounted to the peripheral circle of the rotary drum; the rotary roller is fixedly connected with the frame; the top of the frame is provided with a fixed seat, and the bottom of the fixed seat is provided with an upper cutter placing groove; the upper cutter is arranged in the upper cutter mounting groove.

Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its beneficial effect is:

the utility model discloses replace hammering block roller structure with the structure of tool bit and fixing base, simple structure, the cost is compared and is reduced in hammering block roller by a wide margin, and the part of being convenient for is changed and is maintained to middle and upper cutter and mounting structure in this scheme.

The following is the preferred scheme of the utility model:

the upper cutter is fixedly connected with the cutter backup plate, and the cutter backup plate is arranged in the upper cutter mounting groove through an adjusting screw.

The adjusting screw comprises a fixing screw, an adjusting screw and a set screw; the top of the fixed seat is provided with a vertical through hole, a fixing screw is arranged in the vertical through hole, and the fixing screw is connected with the top of the cutter backup plate; a vertical through threaded hole is formed in the top of the fixed seat, an adjusting screw is installed in the vertical through threaded hole, and the lower end of the adjusting screw is in contact with the top of the cutter backup plate; a transverse through threaded hole is formed in the side face of the fixing seat, a set screw is installed in the transverse through threaded hole, and the end part of the set screw is in contact with the side face of the cutter backup plate; the structure designs an adjustable backup plate mounting structure for the upper cutter, and realizes the correction of the relative contact degree of the worn cutting edges of the upper cutter and the lower cutter.

The contact surface of the upper cutter and the lower cutter is a plane or an inclined plane. The plane incision structure of the structurally-arranged cutter can reduce the installation precision requirement of the lower cutter during fixation, so that the tolerance degree is higher during installation of the lower cutter, and the lower cutter is convenient to install.

The outer circumferential surface of the rotary roller is tangent to the winding drum material, the lower cutter arranged on the rotary roller is contacted with the upper cutter to cut the winding drum material when rotating to a tangent point position, and the lower cutter in rotary operation in the structure can effectively improve the cutting speed.

The blade part of the fixed knife is arranged in parallel with the blade part of the movable knife.

And a lower cutter mounting groove is formed in the outer circumferential surface of the rotary roller, and the lower cutter is fixedly pressed in the lower cutter mounting groove through a cutter pressing plate and a compression screw.

The shaft end of the rotary roller is provided with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is arranged on an output shaft of a servo motor, and the servo motor is arranged in the rack. The belt wheel transmission is convenient for overhaul and maintenance.

The outer circumference of the rotary roller is provided with one or a plurality of uniformly distributed lower cutters. The cutting frequency is faster when the number of the lower cutters is larger, and the cutting length of the reel material is easier to control when the number of the lower cutters is smaller.

A tension wheel matched with the belt is also arranged on the frame; the tension wheel is used for controlling the tightness of the belt and protecting effective transmission.

Drawings

Fig. 1 is a schematic diagram of the basic design structure of the web transverse cutting device.

Fig. 2 is a schematic view of a stationary knife mounting structure.

Fig. 3 is a reference view of the arrangement of the fixed cutter adjusting screw.

Fig. 4 is an overall configuration diagram of the web crosscutting apparatus.

Fig. 5 is a schematic view of a web cutting process.

In the figure: the cutting device comprises a fixed seat 1, an upper cutter 2, a cutter backup plate 3, a fixing screw 4, a set screw 5, a lower cutter 6, a lower cutter mounting groove 7, a rotary roller 8, a cutter pressing plate 9, a compression screw 10, a first belt pulley 11, a second belt pulley 12, a servo motor 13, a belt 14, a tensioning wheel 15, a reel material 16, an upper cutter mounting groove 17, an adjusting screw 18 and a rack 19.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a coiled material crosscut device is used for handling the banded material crosscut segmentation of lapping. A web transecting apparatus without an anvil roll as shown in fig. 1 comprises an upper cutter 2 disposed above a web 16 and a lower cutter 6 disposed below the web 16, the lower cutter 6 being installed on a peripheral circle of a rotary drum 8; the rotary roller 8 is fixedly connected with the frame 19; the top of the frame 19 is provided with a fixed seat 1, and the bottom of the fixed seat 1 is provided with an upper cutter placing groove 17; the upper cutter 2 is installed in the upper cutter seating groove 17.

The outer circumferential surface of the rotary roller 8 is tangent to the web material 16, and the rotary roller 8 is provided with a lower cutter 6 which is contacted with the upper cutter 2 to cut the web material 16 when rotating to the tangent point position. Referring to fig. 1 and 5, the web 16 is conveyed from left to right by a conveying mechanism (not shown), the rotating roller 8 rotates clockwise, and when the lower cutter 6 moves to the position of the upper cutter 2, the lower cutter 6 contacts the upper cutter 2 at a zero distance to form shearing on the web. It should be noted that the designation of "upper cutter" and "lower cutter" in the present invention is determined according to the position of fig. 1, and the position shown in the whole name and the accompanying drawings is only an embodiment of the present invention, and does not represent that the two cutters must be disposed at the "upper" and "lower" positions of the material to be cut, and may be disposed left, right or obliquely. The lower cutter 6 is driven by the rotary roller 8 to move uniformly in a circle, and the cutting edge of the lower cutter 6 is in direct contact with the cutting edge of the upper cutter 2 at a certain moment to form shearing on the web 16.

Preferably, the edge portion of the upper cutter 2 is disposed in parallel with the edge portion of the lower cutter 6. This parallel is absolutely parallel, ensuring that at the moment when the web 16 is cut, the edge of the lower blade 6 is in full contact with the edge of the upper blade 2.

The upper cutter 2 of the utility model does not adopt a cutting edge, but adopts a plane cutter form. As shown in fig. 2 and 5, the contact position of the upper cutter 2 and the lower cutter 6 is at the bottom, and the bottom is in a plane or inclined plane structure. When the lower cutter 6 of the structure is in direct contact with a certain position (any position in the plane) of the bottom plane of the upper cutter 2 at a zero distance, the cutting of the conveyor belt is realized, and the transverse cutting of the coiled material is realized.

After the lower cutter 6 or the upper cutter 2 is used for a period of time, the lower cutter or the upper cutter is worn, and the partial or whole edges of the two cutters can not form effective shearing. In order to improve the defect, the mounting structure of the upper cutter 2 is improved, specifically, as shown in fig. 2 and 3, the upper cutter 2 is fixedly connected with a cutter backup plate 3, and the cutter backup plate 3 is mounted in the upper cutter mounting groove 17 through an adjusting screw. The adjustment screws include a set screw 4, an adjustment screw 18 and a set screw 5. The top of the fixed seat 1 is provided with a vertical through hole, a fixing screw 4 is arranged in the vertical through hole, and the fixing screw 4 is connected with the top of the cutter backup plate 3; the top of the fixed seat 1 is provided with a vertical through threaded hole, an adjusting screw 18 is arranged in the vertical through threaded hole, and the lower end of the adjusting screw 18 is in contact with the top of the cutter backup plate 3; a transverse through threaded hole is formed in the side face of the fixing seat 1, a set screw 5 is installed in the transverse through threaded hole, and the end portion of the set screw 5 is in contact with the side face of the cutter backup plate 3. In the structure, a fixing screw 4 lifts a cutter backup plate 3 upwards, and the position of a high point of the cutter backup plate 3 is determined; the adjusting screw 18 presses the cutter backup plate 3 downwards to determine the low point position of the cutter backup plate 3, and each pair of fixing screws 4 and the adjusting screw 18 act together to limit the height of the upper cutter 2 relative to the lower cutter 6 within a certain length and ensure that the upper cutter and the lower cutter can be contacted; the set screw 5 restricts the cutter backup plate 3 and the upper cutter 2 from moving in the left-right direction. The position repairing operation of the upper cutter 2 comprises the following steps: the position of the lower cutter 6 is adjusted to the top of the rotary roller 8, and the edge of the lower cutter 6 is used as the adjustment reference of the upper cutter 2; loosening the set screw 5 and the set screw 4 which cannot realize the contact area; rotating the adjusting screw 18 clockwise to bring the upper cutter 2 and the lower cutter 6 into contact; finally, the fixing screw 4 and the set screw 5 are re-locked.

The utility model discloses a be provided with down cutter mounting groove 7 on rotary roller 8's the outer periphery, lower cutter 6 compresses tightly through cutter clamp plate 9 and housing screw 10 to be fixed in lower cutter mounting groove 7. The utility model discloses well move the sword and can not remove.

The utility model discloses set up one down cutter 6 or evenly set up a plurality of down cutters 6 on 8 weeks of well rotatory roller. For example, when two lower cutters 6 are provided, the two moving blades are arranged at 180 ° with respect to each other, and when three lower cutters 6 are provided, the three moving blades are arranged at 120 ° with respect to each other. Of course, if the web requires slitting of unequal lengths, the lower knives 6 may also be unevenly distributed. The rotary roller rotates at a constant speed, the rotating speed can be adjusted according to requirements, the rotating speed is different, and the lengths of transversely cut wound roll materials are different. The linear speed of the movable blades of the rotary roller cannot be lower than the conveying speed of the web material, and the larger the number of the movable blades arranged on the rotary roller is, the shorter the cross-cut length of the web material is.

Referring to fig. 1 and 4, the driving structure of the rotary roller 8 may be that a first belt pulley 11 is disposed on a rotary shaft of the rotary roller 8, the first belt pulley 11 is connected to a second belt pulley 12 through a belt 14, the second belt pulley 12 is mounted on an output shaft of a servo motor 13, and the servo motor 13 is mounted in a frame 19. (it should be noted that the line filling of the belt in fig. 4 is only a convenient distinguishing component, and does not represent that the belt has a special texture, structure and is made of a special material; the point filling of the upper cutter 2 and the lower cutter 6 is also only a convenient distinguishing component, and does not represent that the upper cutter 2 and the lower cutter 6 have a texture or are made of a special material). It is also possible to design the shaft ends of the rotating drums 8 to be directly connected to the servo motors 13 via couplings. Driven by a servo motor 13, the servo motor rotates at a constant speed according to instructions. The rotating speed of the movable knife can be adjusted according to production requirements. The utility model discloses still be provided with 14 complex tight pulleys 15 that rise of belt for the elasticity of adjustment belt.

The utility model discloses a crosscut of coiled material is exclusively used in, compare the structure that has anvil roller and the cooperation of die-cutting roller to carry out the coiled material cutting among the prior art, it has beneficial effect as follows:

1) the structure of the cutter head and the fixed seat replaces the structure of the anvil roller, the scheme has simple structure, and the manufacturing cost is greatly reduced compared with that of the anvil roller;

2) the strip-shaped tool bit structure and the structure fixed at the bottom of the fixed seat are convenient for the tool bit and equipment to overhaul and maintain;

3) the upper cutter of the plane has low requirement on installation precision, and the effective contact of the upper cutter and the lower cutter is protected;

4) the upper cutter structure with adjustable height can repair the influence of cutter abrasion on the cutting effect;

5) the lower cutter independently installed on the roller is convenient to install, the manufacturing cost of parts is low, the rotating speed is easy to control, and the cutting frequency is convenient to control.

The device is not only suitable for cutting plastic adhesive tapes of packaging products, but also can be used for cutting rubber tapes.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims

1. A web anvil-free crosscutting apparatus comprising an upper cutter (2) disposed above a web (16) and a lower cutter (6) disposed below the web (16), characterized in that: the lower cutter (6) is arranged on the peripheral circle of the rotary roller (8); the rotary roller (8) is fixedly connected with the frame (19); a fixed seat (1) is arranged at the top of the frame (19), and an upper cutter placing groove (17) is arranged at the bottom of the fixed seat (1); the upper cutter (2) is arranged in the upper cutter mounting groove (17).

2. The web-fed anvil-free crosscutting apparatus according to claim 1, wherein: the upper cutter (2) is arranged in the upper cutter mounting groove (17) through the cutter backup plate (3), the upper cutter (2) is fixedly connected with the cutter backup plate (3), and the cutter backup plate (3) is arranged in the cutter mounting groove (17) through an adjusting screw.

3. The web-fed anvil-free crosscutting apparatus according to claim 2, wherein: the adjusting screw comprises a fixing screw (4), an adjusting screw (18) and a set screw (5); the top of the fixed seat (1) is provided with a vertical through hole, a fixing screw (4) is installed in the vertical through hole, and the fixing screw (4) is connected with the top of the cutter backup plate (3); a vertical through threaded hole is formed in the top of the fixed seat (1), an adjusting screw (18) is installed in the vertical through threaded hole, and the lower end of the adjusting screw (18) is in contact with the top of the cutter backup plate (3); the side of the fixed seat (1) is provided with a transverse through threaded hole, a set screw (5) is installed in the transverse through threaded hole, and the end of the set screw (5) is in contact with the side of the cutter backup plate (3).

4. The web-fed anvil-free crosscutting apparatus according to claim 3, wherein: the contact surface of the upper cutter (2) and the lower cutter (6) is a plane or an inclined plane.

5. A web-fed anvil-free crosscutting apparatus according to any one of claims 1-3, wherein: the outer circumferential surface of the rotary roller (8) is tangent to the reel material (16), and the lower cutter (6) arranged on the rotary roller (8) is contacted with the upper cutter (2) to cut the reel material (16) when rotating to the tangent point position.

6. The web-fed anvil-free crosscutting apparatus according to claim 5, wherein: the blade part of the lower cutter (6) is arranged in parallel with the blade part of the upper cutter (2).

7. The web-fed anvil-free crosscutting apparatus according to claim 1 or 6, wherein: a lower cutter placing groove (7) is formed in the outer circumferential surface of the rotary roller (8), and the lower cutter (6) is pressed and fixed in the lower cutter placing groove (7) through a cutter pressing plate (9) and a pressing screw (10).

8. The web-fed anvil-free crosscutting apparatus according to claim 7, wherein: one or a plurality of lower cutters (6) are uniformly distributed on the rotary roller (8).

9. The web-fed anvil-free crosscutting apparatus according to claim 8, wherein: a first belt wheel (11) is arranged at the shaft end of the rotary roller (8), the first belt wheel (11) is connected with a second belt wheel (12) through a belt (14), the second belt wheel (12) is installed on an output shaft of a servo motor (13), and the servo motor (13) is installed in a rack (19).

10. The web-fed anvil-free crosscutting apparatus according to claim 9, wherein: a tension wheel (15) matched with the belt (14) is also arranged on the frame (19).