CN218226941U

CN218226941U - Slitting device for polyethylene film layer of high-molecular coiled material

Info

Publication number: CN218226941U
Application number: CN202221386128.2U
Authority: CN
Inventors: 余金平
Original assignee: Hubei Zhongcheng Jinyu Waterproof Technology Co ltd
Current assignee: Hubei Zhongcheng Jinyu Waterproof Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-01-06
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a device of cutting of polyethylene film layer of polymer coiled material belongs to coiled material processing technology field. The device comprises a frame, a feeding roller set, a double-roller conveying structure, a slitting structure and a discharging roller set, wherein the slitting structure comprises a sliding table, a square tube and a circular saw cutting mechanism; a circular saw blade on the circular saw cutting mechanism is arranged in the front-back direction, and the upper part of the circular saw blade penetrates out of the sliding table upwards; the square tube is arranged along the left and right directions, is positioned right above the circular saw blade and above the polyethylene film, can move downwards to press the polyethylene film on the sliding table, and is provided with an upper strip-shaped opening for the circular saw blade to pass through and move left and right along the left and right directions at the bottom; the surface of the sliding table is smooth, and a lower strip-shaped opening for a circular saw blade to pass through and move left and right is arranged on the sliding table in the left and right directions; the top of the circular saw blade is always located within the square tube. In this device, the square tube serves several functions: 1, pressing a polyethylene film to ensure a slitting effect, and 2, coating the exposed part of a circular saw blade.

Description

Slitting device for polyethylene film layer of high-molecular coiled material

Technical Field

The utility model belongs to the technical field of the coiled material processing, in particular to device of cutting of polyethylene film layer of polymer coiled material.

Background

The waterproof roll is mainly used for roofs of industrial and civil buildings, underground waterproof engineering, public works such as tunnels, railways and bridges, and has the function of resisting external water from permeating into buildings or corroding building structures.

For example, the patent with the application number of CN202110843149.6 discloses a double-layer waterproof protective layer-free self-adhesive polymer modified asphalt waterproof coiled material, which comprises a polyethylene film, a first modified asphalt layer, a polyester tire layer, a second modified asphalt layer, a high-strength polyethylene tire layer and a quartz sand layer which are sequentially arranged from bottom to top; the first modified asphalt layer and the second modified asphalt layer are both modified asphalt rubber; the quartz sand layer consists of quartz sand; the thickness of the double-layer waterproof protective layer-free self-adhesive polymer modified asphalt waterproof roll is 4.0-4.5mm.

After the polyethylene film is extruded and molded, the polyethylene film is cut, rolled and then sent to another device to prepare the polymer coiled material. In the prior art, the slitting device generally comprises a feeding roller group, a slitting structure, a discharging roller group and the like, wherein the feeding roller group and the discharging roller group are used for drawing the polyethylene film. The slitting structure generally includes a circular saw cutting mechanism or the like which is movable in the left-right direction above the polyethylene film, and the lower portion of the circular saw cutting mechanism cuts the polyethylene film.

The applicant has found the following problems when slitting with the aforementioned slitting device:

1. the circular saw cutting mechanism is exposed more, hurts people easily, and has potential safety hazard.

2. The polyethylene film has certain elasticity, and after cutting, the polyethylene film before the circular saw cutting mechanism (the polyethylene film after that is sent to the rolling device) can obviously retract, so that the next rolling operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a device of cutting of polyethylene film layer of polymer coiled material, in the device, the effect of square pipe has a plurality ofly: the cutting method comprises the following steps of 1, pressing a polyethylene film to ensure a cutting effect, and 2, coating the exposed part of a circular saw blade. The technical scheme is as follows:

the embodiment of the utility model provides a device of cutting of polyethylene film layer of polymer coiled material, the device includes frame and the feeding roller group 1, pair roller transport structure 2, cut structure and the discharge roller group 3 that set gradually from front to back on it, cut the structure and include along the slip table 4 that the fore-and-aft direction set up, slip table 4 top and square pipe 5 that can up-and-down motion and the circular saw cutting mechanism 6 that can left and right direction motion below slip table 4; the polyethylene film 7 enters from the feeding roller group 1, is conveyed backwards along the surface of the sliding table 4 and is finally output from the discharging roller group 3; the circular saw cutting mechanism 6 can move from one side of the polyethylene film 7 to the other side of the polyethylene film 7, a circular saw blade 8 on the circular saw cutting mechanism is arranged in the front-back direction, and the upper part of the circular saw blade penetrates out of the sliding table 4; the square tube 5 is arranged in the left-right direction, is positioned right above the circular saw blade 8 and above the polyethylene film 7, can move downwards to press the polyethylene film 7 against the sliding table 4, and is provided with an upper strip-shaped opening 9 for the circular saw blade 8 to pass through and move left and right in the left-right direction at the bottom; the surface of the sliding table 4 is smooth, and a lower strip-shaped opening 10 for a circular saw blade 8 to pass through and move left and right is arranged on the upper edge of the sliding table in the left and right directions; the top of the circular saw blade 8 is always located in the square tube 5.

Specifically, the embodiment of the utility model provides an in pair roller conveying structure 2 is located the adjacent the place ahead of slip table 4, circular saw cutting mechanism 6 locates the rear portion of slip table 4, ejection of compact roller set 3 is located the adjacent rear of slip table 4.

Furthermore, the left side and the right side of the frame in the embodiment of the utility model are both provided with side plates along the front-back direction, and the two side plates are respectively positioned at the left side and the right side of the polyethylene film 7; the pair roller conveying structure 2 includes from top to bottom set up side by side and is located compression roller and the drive roll of both sides about the polyethylene film 7 respectively, the upside and the 4 parallel and level of slip table and its by corresponding motor drive of drive roll, both ends slide through the slider about the compression roller and locate on the curb plate that corresponds the side, the slider can slide from top to bottom on the curb plate and be equipped with along vertical direction between its top and the curb plate and let its gliding roof pressure cylinder from top to bottom, two roof pressure cylinder synchronous drive.

Further, the embodiment of the utility model provides an between two blocks of curb plates along controlling to being equipped with the crossbeam, it cuts cylinder 11 to be equipped with two on the crossbeam side by side about, cut the cylinder 11 vertical setting and the lower extreme of its telescopic link and square pipe 5's top fixed connection, two cut cylinder 11 synchronous drive.

Specifically, a vertical plate 12 is arranged at the lower side of the sliding table 4 and in front of or behind the lower strip-shaped opening 10, the vertical plate 12 is arranged in the left-right direction, a sliding rail 13, a rack 14 and a zipper groove 15 are sequentially arranged at one side of the vertical plate 12 close to the lower strip-shaped opening 10 from top to bottom, the sliding rail 13, the rack 14 and the zipper groove 15 are all arranged in the left-right direction, the circular saw cutting mechanism 6 is arranged at the upper part of a sliding plate 16, the sliding plate 16 is arranged on the sliding rail 13 in a sliding manner, a rack travelling mechanism 17 is arranged at the lower part of the sliding plate 16, a gear of the rack travelling mechanism 17 penetrates through the sliding plate 16 and is meshed with the rack 14, and two pulleys 18 are arranged side by side at one side of the sliding plate 16 close to the vertical plate 12; the pulley 18 is vertically arranged, is positioned between the rack 14 and the towline groove 15, and is arranged on the vertical plate 12 in a sliding mode.

Further, the embodiment of the utility model provides an in square pipe 5 about both ends extend for the corresponding side of polyethylene film 7 is outside, riser 12 about both ends be equipped with two position sensor 19 that can detect 6 positions of circular saw cutting mechanism.

The feeding roller group 1 in the embodiment of the utility model comprises a feeding roller, the lower side of the feeding roller is flush with the upper side of the driving roller, and the polyethylene film 7 is wound by the lower side of the feeding roller; the discharging roller group 3 comprises two discharging rollers which are arranged side by side up and down, the upper sides of the discharging rollers above the discharging rollers are flush with the sliding table 4 and are positioned at the adjacent rear part of the sliding table 4; the polyethylene film 7 winds around the upper side of the discharge roller above, slants forwards and downwards to the front side of the discharge roller below, and then winds out backwards from the lower side of the discharge roller below.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a device of cutting of polyethylene film layer of polymer coiled material, in the device, the effect of square pipe has a plurality ofly: 1, compressing a polyethylene film to ensure a slitting effect; 2, coating the exposed part of the circular saw blade to ensure personal safety; and 3, pressing the polyethylene film after slitting to avoid retraction (before the square tube is loosened, the polyethylene film before the circular saw cutting mechanism can be pulled or pressed manually or in other modes). In addition, this patent will set up the pair roller transport structure and locate the circular saw cutting mechanism and all have the effect of preventing returning back at the slip table rear portion.

Drawings

Fig. 1 is a schematic structural diagram of a slitting device for a polyethylene film layer of a polymer coiled material according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of fig. 1.

In the figure: the automatic feeding device comprises a feeding roller set 1, a pair of roller conveying structures 2, a discharging roller set 3, a sliding table 4, a square pipe 5, a circular saw cutting mechanism 6, a polyethylene film 7, a circular saw blade 8, an upper strip-shaped opening 9, a lower strip-shaped opening 10, a slitting cylinder 11, a vertical plate 12, a sliding rail 13, a rack 14, a drag chain groove 15, a sliding plate 16, a rack traveling mechanism 17, a pulley 18 and a position sensor 19.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, the embodiment of the present invention provides a device for slitting a polyethylene film of a polymer coiled material, which comprises a frame (specifically, a frame structure disposed along the front-back direction) and a feeding roller set 1 (disposed on the front side of the frame), a pair roller conveying structure 2, a slitting structure, a discharging roller set 3 (disposed on the rear side of the frame), and the like, wherein the feeding roller set 1 is sequentially disposed from front to back. Wherein, cut the structure and include along the slip table 4 that sets up in the fore-and-aft direction, slip table 4 top (preferred rear portion) and square pipe 5 and the circular saw cutting mechanism 6 that can control the motion below slip table 4 and can the up-and-down motion, etc.. The polyethylene film 7 enters from the feeding roller group 1, is conveyed backwards along the surface of the sliding table 4 and is finally output from the discharging roller group 3. The circular saw cutting mechanism 6 can move from one side (such as the left side) of the polyethylene film 7 to the other side of the polyethylene film 7, the circular saw blade 8 on the circular saw cutting mechanism is arranged in the front-back direction, and the upper part of the circular saw blade upwards penetrates through the sliding table 4 (upwards penetrates through the lower strip-shaped opening 10). The square tube 5 is arranged in the left-right direction, is located right above the circular saw blade 8, is located above the polyethylene film 7, can move downwards to press the polyethylene film 7 on the sliding table 4, is provided with an upper strip-shaped opening 9 for the circular saw blade 8 to pass through and move left and right in the left-right direction at the bottom (preferably the middle part) of the square tube, and is high enough to ensure that the top of the circular saw blade 8 is located below the top wall of the square tube when the square tube is pressed on the upper side of the polyethylene film 7. The surface of the sliding table 4 is smooth, and a lower strip-shaped opening 10 (positioned right below the upper strip-shaped opening 9) for allowing a circular saw blade 8 to pass through and move left and right is arranged on the upper edge of the sliding table in the left and right directions. The top of the circular saw blade 8 is always located inside the square tube 5 regardless of whether the square tube 5 ascends or descends.

Specifically, referring to fig. 1, the pair-roller conveying structure 2 in the embodiment of the present invention is located adjacent to the front side of the sliding table 4, the circular saw cutting mechanism 6 is located at the rear portion of the sliding table 4, and the discharging roller group 3 is located adjacent to the rear side of the sliding table 4.

Further, referring to fig. 1, the left and right sides of the frame in the embodiment of the present invention are provided with side plates (vertical arrangement) along the front-back direction, and the two side plates are respectively located on the left and right sides of the polyethylene film 7. The pair roller conveying structure 2 comprises a press roller and a drive roller which are arranged side by side from top to bottom and are respectively positioned on the upper side and the lower side of the polyethylene film 7, the drive roller is a metal roller arranged along the left-right direction, and the press roller is a rubber roller arranged along the left-right direction. The upper side of the driving roller is flush with the sliding table 4 and is driven by a corresponding motor (the speed is matched with that of the polyethylene film 7), the left end and the right end of the pressing roller are arranged on the side plates on the corresponding sides in a sliding mode through the sliding blocks, the sliding blocks can slide up and down on the side plates, jacking cylinders capable of enabling the sliding blocks to slide up and down are arranged between the tops of the sliding blocks and the side plates in the vertical direction, and the two jacking cylinders are driven synchronously; when the jacking cylinder extends, the compression roller jacks the upper side of the polyethylene film 7.

Further, the embodiment of the utility model provides an between two blocks of curb plates along controlling to being equipped with the crossbeam, be equipped with two side by side on the crossbeam and cut cylinder 11 (can set up with the central line bilateral symmetry of polyethylene film 7), cut the lower extreme of 11 vertical settings of cylinder and its telescopic link and square pipe 5's top fixed connection, two cut cylinder 11 synchronous drive. The slitting cylinder 11 is extended and the pressure roller is pressed against the upper side of the polyethylene film 7.

Specifically, referring to fig. 1, the lower side of the sliding table 4 in the embodiment of the present invention and the front or rear side (the embodiment is the front) of the lower strip-shaped opening 10 are provided with a vertical plate 12, the vertical plate 12 is provided with a slide rail 13, a rack 14 (the upper side of which is provided with teeth) and a zipper groove 15 from top to bottom in sequence from left to right, and the slide rail 13, the rack 14 and the zipper groove 15 are all provided from left to right. The circular saw cutting mechanism 6 is arranged at the rear side of the upper part of the sliding plate 16, the sliding plate 16 is arranged on the sliding rail 13 in a sliding way, the rear side of the lower part of the sliding plate is provided with a rack travelling mechanism 17, and a gear of the rack travelling mechanism 17 penetrates through the sliding plate 16 (the upper part of the sliding plate is provided with a through hole in a matching way in the front-back direction) and is meshed with the upper side of the rack 14. Two pulleys 18 are arranged side by side on the side (front side) of the sliding plate 16 close to the vertical plate 12. The pulley 18 is vertically arranged, is positioned between the rack 14 and the drag chain groove 15, and is arranged at the rear side of the vertical plate 12 in a sliding mode.

Further, the embodiment of the utility model provides an in square pipe 5 about both ends extend for the corresponding side of polyethylene film 7 is outside, riser 12 about both ends be equipped with two position sensor 19 that can detect 6 positions of circular saw cutting mechanism. The position sensor 19 is positioned on the inner side of the corresponding end of the square tube 5 to ensure that the top of the circular saw blade 8 is always positioned in the square tube 5; when the position sensor 19 is triggered, the rack travel mechanism 17 is stopped. The foregoing structure is conventional technology, and detailed description is omitted in this embodiment.

Wherein, the embodiment of the utility model provides an in feed roll group 1 include a feed roll, the downside of feed roll and the upside parallel and level of drive roll, polyethylene film 7 is walked around by the downside of feed roll. The discharging roller group 3 comprises two discharging rollers which are arranged side by side up and down, the upper side of the discharging roller above is flush with the sliding table 4 and is positioned at the adjacent rear part of the sliding table 4; the polyethylene film 7 obliquely goes down to the front side of the discharging roller below after passing around the upper side of the discharging roller above, and then is wound out from the lower side of the discharging roller below.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The slitting device for the polyethylene film layer of the high polymer coiled material is characterized by comprising a rack and a feeding roller group (1), a pair roller conveying structure (2), a slitting structure and a discharging roller group (3) which are sequentially arranged from front to back on the rack, wherein the slitting structure comprises a sliding table (4) which is arranged in the front-back direction, a square tube (5) which is arranged above the sliding table (4) and can move up and down, and a circular saw cutting mechanism (6) which is arranged below the sliding table (4) and can move left and right; the polyethylene film (7) enters from the feeding roller group (1), is conveyed backwards along the surface of the sliding table (4), and is finally output from the discharging roller group (3); the circular saw cutting mechanism (6) can move from one side of the polyethylene film (7) to the other side of the polyethylene film (7), a circular saw blade (8) on the circular saw cutting mechanism is arranged in the front-back direction, and the upper part of the circular saw blade penetrates out of the sliding table (4) upwards; the square tube (5) is arranged in the left-right direction, is positioned right above the circular saw blade (8) and is positioned above the polyethylene film (7), can move downwards to press the polyethylene film (7) on the sliding table (4), and is provided with an upper strip-shaped opening (9) at the bottom in the left-right direction, through which the circular saw blade (8) passes and moves in the left-right direction; the surface of the sliding table (4) is smooth, and a lower strip-shaped opening (10) through which a circular saw blade (8) passes and moves left and right is arranged on the sliding table in the left and right directions; the top of the circular saw blade (8) is always positioned in the square pipe (5).

2. The slitting device for the polyethylene film layer of the high polymer coiled material according to claim 1, wherein the pair roller conveying structure (2) is located in the adjacent front of the sliding table (4), the circular saw cutting mechanism (6) is arranged at the rear of the sliding table (4), and the discharging roller set (3) is located in the adjacent rear of the sliding table (4).

3. The slitting device for the polyethylene film layer of the high polymer coiled material according to claim 2, wherein the left side and the right side of the rack are respectively provided with a side plate in the front-back direction, and the two side plates are respectively positioned on the left side and the right side of the polyethylene film (7); roll pair roller conveying structure (2) are including setting up side by side from top to bottom and being located compression roller and the drive roll of both sides about polyethylene film (7) respectively, the upside and slip table (4) parallel and level of drive roll and it by corresponding motor drive, both ends slide through the slider about the compression roller and locate on the curb plate that corresponds the side, the slider can slide about on the curb plate and be equipped with along vertical direction between its top and the curb plate and can let its gliding roof pressure cylinder from top to bottom, two roof pressure cylinder synchronous drive.

4. The slitting device for the polyethylene film layer of the high polymer coiled material according to claim 3, characterized in that a cross beam is arranged between the two side plates along the left and right directions, two slitting cylinders (11) are arranged on the cross beam side by side, the lower ends of the vertical setting of the slitting cylinders (11) and the telescopic rods thereof are fixedly connected with the top of the square pipe (5), and the two slitting cylinders (11) are driven synchronously.

5. The slitting device for the polyethylene film layer of the high polymer coiled material according to claim 1, wherein a vertical plate (12) is arranged on the lower side of the sliding table (4) and in front of or behind the lower strip-shaped opening (10), the vertical plate (12) is arranged in the left-right direction, one side of the vertical plate (12) close to the lower strip-shaped opening (10) is sequentially provided with a sliding rail (13), a rack (14) and a zipper groove (15) from top to bottom, the sliding rail (13), the rack (14) and the zipper groove (15) are arranged in the left-right direction, the circular saw cutting mechanism (6) is arranged on the upper portion of the sliding plate (16), the sliding plate (16) is arranged on the sliding rail (13) in a sliding manner, the lower portion of the sliding plate is provided with a rack travelling mechanism (17), a gear of the rack travelling mechanism (17) penetrates through the sliding plate (16) and is meshed with the rack (14), and two pulleys (18) are arranged side by side on the left side and right side of the side close to the vertical plate (12); the pulley (18) is vertically arranged, is positioned between the rack (14) and the drag chain groove (15), and is arranged on the vertical plate (12) in a sliding manner.

6. A slitting device for polyethylene film layers of polymer rolls according to claim 5, characterized in that the left and right ends of the square tube (5) extend outward relative to the corresponding sides of the polyethylene film (7), and the left and right ends of the vertical plate (12) are provided with two position sensors (19) capable of detecting the position of the circular saw cutting mechanism (6).

7. The slitting device for the polyethylene film layer of the high polymer coiled material according to claim 3, wherein the feeding roller group (1) comprises a feeding roller, the lower side of the feeding roller is flush with the upper side of the driving roller, and the polyethylene film (7) is wound by the lower side of the feeding roller; the discharging roller group (3) comprises two discharging rollers which are arranged side by side up and down, the upper side of the discharging roller above is flush with the sliding table (4) and is positioned at the adjacent rear part of the sliding table (4); the polyethylene film (7) winds around the upper side of the discharge roller above, slants forwards and downwards to the front side of the discharge roller below, and then winds backwards from the lower side of the discharge roller below.