CN218286635U

CN218286635U - Plastic sheet forming and slitting device

Info

Publication number: CN218286635U
Application number: CN202222964253.3U
Authority: CN
Inventors: 张建群; 李勇; 汤修峰; 吕令广
Original assignee: Shandong Gongju Machinery Technology Co ltd
Current assignee: Shandong Gongju Machinery Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-01-13
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a plastic sheet molding and cutting device, which belongs to the field of sheet cutting, and comprises a frame, a molding roller piece and a cutting roller piece, and is characterized in that the molding roller piece comprises a pre-cutting molding roller and two molding smooth rollers, the two molding smooth rollers are respectively arranged at the upper side and the lower side of the pre-cutting molding roller, and the gap between the pre-cutting molding roller and the molding smooth roller at the lower side is positioned at the output end of an extruder die head; the pre-cutting forming roller comprises a pre-cutting forming roller surface, wherein annular pre-cutting lugs are arranged on the roller surface of the pre-cutting forming roller along the circumferential direction of the roller surface, a plurality of pre-cutting lugs are uniformly distributed along the axial direction of the pre-cutting forming roller, and a preset interval is reserved between every two adjacent pre-cutting lugs; the slitting roller piece comprises a slitting bottom roller and a slitting cutter roller arranged on the upper side of the slitting bottom roller; the slitting bottom roller is provided with a groove which is correspondingly matched with the cutting edge of the hobbing cutter along the circumferential direction; the utility model discloses can effectively improve plastic sheet cut precision and homogeneity, be particularly useful for cutting the less goods of back width.

Description

Plastic sheet forming and slitting device

Technical Field

The utility model relates to a technical field is cut to the sheet, concretely relates to device is cut in plastics sheet shaping.

Background

At present, the mainstream plastic sheet slitting device firstly forms a flat sheet and then slits the flat sheet to a set width by a blade. When the cutting mode is used for continuous production, the sheet is easy to deviate, the cutting width is inconsistent, and the linear speed cannot be improved. Especially, the product which has higher requirement on the slitting precision and smaller width after slitting can not be slit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a device is cut in plastic sheet shaping, can effectively improve plastic sheet cut precision and homogeneity, be particularly useful for cutting the less goods of back width.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a plastic sheet molding and cutting device is arranged at the output end of an extruder die head and comprises a frame, and a molding roller piece, a primary traction mechanism, a cutting roller piece and a secondary traction and winding mechanism which are connected with the frame and are arranged along the sheet conveying direction in sequence,

the forming roller part comprises a pre-cutting forming roller and two forming smooth rollers, the two forming smooth rollers are respectively arranged on the upper side and the lower side of the pre-cutting forming roller, and a gap between the pre-cutting forming roller and the forming smooth roller on the lower side of the pre-cutting forming roller is positioned at the output end of the die head of the extruder; the pre-cutting forming roller comprises a pre-cutting forming roller surface and a pre-cutting forming roller surface, wherein the pre-cutting forming roller surface is provided with annular pre-cutting lugs along the circumferential direction of the pre-cutting forming roller surface, a plurality of pre-cutting lugs are uniformly distributed along the axial direction of the pre-cutting forming roller, and a preset interval m is reserved between every two adjacent pre-cutting lugs;

the slitting roller piece comprises a slitting bottom roller and a slitting cutter roller arranged on the upper side of the slitting bottom roller; the slitting and cutting roller is wrapped by the roller shaft and the hobbing cutter fixedly installed on the roller shaft, grooves corresponding to and matched with the cutting edges of the hobbing cutters are formed in the roller surface of the slitting bottom roller along the circumferential direction of the roller surface, and the distance n between every two adjacent grooves is consistent with m.

Further, the primary traction device comprises two traction rollers which are arranged in a stacked mode.

Further, the forming smooth roller is connected with the frame in a mode of moving along the vertical direction.

Furthermore, the end part of the forming smooth roller is connected with a sliding block bearing seat through a bearing, the sliding block bearing seat is connected in a sliding groove which is vertically arranged on the rack in a sliding mode, the sliding block bearing seat is connected with an air cylinder which is used for driving the sliding block bearing seat to move in the sliding groove, and the telescopic end of the air cylinder is fixedly connected with the sliding block bearing seat.

Further, the slitting knife roller is connected with the frame in a manner of being capable of moving along the vertical direction.

Furthermore, the end part of the slitting knife roller is connected with a sliding block bearing seat through a bearing, the sliding block bearing seat is connected in a sliding groove which is vertically arranged on the rack in a sliding manner, the sliding block bearing seat is connected with an air cylinder which is used for driving the sliding block bearing seat to move in the sliding groove, and the telescopic end of the air cylinder is fixedly connected with the sliding block bearing seat.

The beneficial effects of the utility model are that: the utility model discloses a what set up is in the front along production direction of transportation shaping roller spare, cut the roller spare behind, and shaping roller spare includes that one cuts forming roll and two shaping smooth rolls in advance especially the lug of cutting in advance that sets up on the forming roll surface in advance, can leave the incision in advance when the sheet is extruded to the forming roll primary forming in advance via the extruder die head, the alignment of hobbing cutter when being favorable to follow-up formal cutting, the phenomenon of sheet off tracking has effectively been prevented, thereby can effectively improve the precision of cutting of sheet, and the production efficiency is improved, especially, it is more obvious to the less sheet effect of width after cutting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a side view schematic structure of the present invention;

fig. 4 is a schematic side view of the pre-cutting forming roller of the present invention;

FIG. 5 is a schematic view of the connection structure of the forming smooth roll (slitting roll) and the frame of the present invention;

in the figure: 1. the device comprises a frame, 2 parts of a forming roller, 21 parts of a pre-cutting forming roller, 210 parts of a pre-cutting lug, 22 parts of a forming smooth roller, 3 parts of a first-stage traction, 4 parts of a cutting roller, 41 parts of a cutting bottom roller, 411 parts of a groove, 42 parts of a cutting knife roller, 421 parts of a roller shaft, 422 parts of a hob cutter, 5 parts of a second-stage traction, 6 parts of a winding mechanism, 7 parts of an extruder die head, 81 parts of a sliding block bearing seat, 82 parts of a sliding chute, 83 parts of a support, 84 parts of threaded holes, 85 parts of an adjusting screw rod and 9 parts of a sheet.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-5, the plastic sheet forming and slitting device of this embodiment is disposed at an output end of a die head 7 of an extruder, and includes a frame 1, and a forming roller 2, a first-stage traction 3, a slitting roller 4, a second-stage traction 5, and a winding mechanism 6 connected to the frame 1 and disposed in sequence along a sheet conveying direction, where the first-stage traction 3 includes two traction rollers disposed in a stacked manner.

The forming roller part 2 comprises a precutting forming roller 21 and two forming smooth rollers 22, the two forming smooth rollers 22 are respectively arranged at the upper side and the lower side of the precutting forming roller 21, and a gap between the precutting forming roller 21 and the forming smooth rollers 22 at the lower side of the precutting forming roller 21 is positioned at the output end of the extruder die head 7; annular precut protruding pieces 210 are arranged on the roller surface of the precut forming roller 21 along the circumferential direction of the roller surface, the plurality of precut protruding pieces 210 are uniformly distributed along the axial direction of the precut forming roller 21, and a preset interval m is reserved between every two adjacent precut protruding pieces 210;

the slitting roller part 4 comprises a slitting bottom roller 41 and a slitting cutter roller 42 arranged on the upper side of the slitting bottom roller 41; the slitting cutter roller 42 wraps the roller shaft 421 and the hobbing cutter 422 fixedly installed on the roller shaft 421, grooves 411 corresponding to and matched with the cutting edges of the hobbing cutters 422 are formed in the roller surface of the slitting bottom roller 41 along the circumferential direction of the roller surface, and the distance n between every two adjacent grooves 411 is consistent with m.

The utility model discloses a working process as follows: the raw material enters the extruder die head 7 after being plasticized by the extruder, and enters a gap between the forming smooth roller 22 and the precut forming roller 21 on the lower side of the forming smooth roller for further cooling and forming after being preliminarily formed by the extruder die head 7. Meanwhile, the precutting lugs 210 on the roll surface of the precutting forming roll 21 roll out precutting grooves with set intervals on the surface of the sheet. The sheet after cooling forming is continuously and stably pulled out by the primary pulling 3, enters a gap between the slitting bottom roller 41 and the slitting cutter roller 42, so that the positions of the groove 411 on the slitting bottom roller 41, the blade edge of the hob 422 on the slitting cutter roller 42 and the pre-slitting groove on the surface of the sheet 9 are consistent, then the slitting cutter roller 42 is pressed down, and the sheet 9 is slit into strips with set interval width along the pre-slitting groove.

In this embodiment, the shaping smooth roller 22 links to each other with the mode that can remove along vertical direction with frame 1, specifically, the shaping smooth roller 22 tip is connected with slider bearing frame 81 through the bearing, slider bearing frame 81 sliding connection is in vertical spout 82 of seting up on frame 1, slider bearing frame 81 is connected with and is used for driving its cylinder 83 of motion in spout 82, the control cylinder fixed mounting who leans on upper shaping smooth roller 22 is in the frame upside, the control cylinder fixed mounting who leans on lower shaping smooth roller 22 is in the frame downside, the flexible end and the slider bearing frame 81 fixed connection of cylinder 83. The cylinder 83 drives the sliding block bearing seat 81 to float up and down along the sliding chute so as to adjust the gap between the forming smooth roller 22 and the precut forming roller 21.

In this embodiment, the slitting knife roller 42 is connected with the frame 1 in a manner of being capable of moving in the vertical direction, specifically, the end of the slitting knife roller 42 is connected with a slider bearing seat 81 through a bearing, the slider bearing seat 81 is connected in a sliding groove 82 vertically arranged on the frame 1 in a sliding manner, the slider bearing seat 81 is connected with a cylinder 83 used for driving the slider bearing seat to move in the sliding groove 82, the cylinder is fixedly arranged on the upper side of the frame, and the telescopic end of the cylinder 83 is fixedly connected with the slider bearing seat 81. The cylinder 83 drives the sliding block bearing block 81 to float up and down along the sliding chute so as to adjust the gap between the slitting knife roller 42 and the slitting bottom roller 41.

Claims

1. A plastic sheet molding and cutting device is arranged at the output end of an extruder die head (7) and comprises a frame (1), and a molding roller piece (2), a first-stage traction (3), a cutting roller piece (4), a second-stage traction (5) and a winding mechanism (6) which are connected with the frame (1) and are sequentially arranged along the sheet conveying direction,

the forming roller part (2) comprises a pre-cutting forming roller (21) and two forming smooth rollers (22), the two forming smooth rollers (22) are respectively arranged on the upper side and the lower side of the pre-cutting forming roller (21), and a gap between the pre-cutting forming roller (21) and the forming smooth roller (22) on the lower side is positioned at the output end of the extruder die head (7); annular pre-cutting lugs (210) are arranged on the roller surface of the pre-cutting forming roller (21) along the circumferential direction of the roller surface, the plurality of pre-cutting lugs (210) are uniformly distributed along the axial direction of the pre-cutting forming roller (21), and a preset interval m is reserved between every two adjacent pre-cutting lugs (210);

the slitting roller piece (4) comprises a slitting bottom roller (41) and a slitting cutter roller (42) arranged on the upper side of the slitting bottom roller (41); roll shaft (421) and hobbing cutter (422) of fixed mounting on roll shaft (421) are wrapped to branch cutter roller (42), cut on bottom roll (41) the roll surface along its circumference open have with hobbing cutter (422) the cutting edge correspond complex recess (411), interval n between adjacent recess (411) is unanimous with m.

2. A plastic sheet shaping and slitting device according to claim 1, characterized in that the primary drawing (3) comprises two drawing rolls arranged one above the other.

3. A plastic sheet shaping and slitting device according to claim 1, characterized in that the shaping smoothing roller (22) is connected to the machine frame (1) in such a way that it can move in the vertical direction.

4. A plastic sheet forming and slitting device according to claim 3, wherein a slider bearing seat (81) is connected to an end of the forming smoothing roller (22) through a bearing, the slider bearing seat (81) is slidably connected to a sliding chute (82) vertically arranged on the frame (1), the slider bearing seat (81) is connected to a cylinder (83) for driving the slider bearing seat to move in the sliding chute (82), and a telescopic end of the cylinder (83) is fixedly connected to the slider bearing seat (81).

5. A plastic sheet profiled slitting device according to claim 1, characterized in that the slitting knife roll (42) is connected to the machine frame (1) in such a way that it can move in the vertical direction.

6. A plastic sheet molding and slitting device according to claim 5, wherein the end of the slitting knife roll (42) is connected with a slider bearing seat (81) through a bearing, the slider bearing seat (81) is slidably connected in a sliding chute (82) vertically arranged on the frame (1), the slider bearing seat (81) is connected with a cylinder (83) for driving the slider bearing seat (81) to move in the sliding chute (82), and the telescopic end of the cylinder (83) is fixedly connected with the slider bearing seat (81).