CN111535069A

CN111535069A - Edge cutting equipment for papermaking machinery

Info

Publication number: CN111535069A
Application number: CN202010405543.7A
Authority: CN
Inventors: 徐园
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-14

Abstract

The invention discloses a paper making machine trimming device.A paper limiting plate shaped like a Chinese character 'ji' is arranged on the left end surface of a lower supporting plate in a back-and-forth movement manner; the pair of paper feeding rollers are positioned in the opening of the paper limiting plate; the upper end surface of the upper supporting plate is tangent with the upper end of the paper feeding roller on the lower side; a paper cutting device is arranged on the upper supporting plate in a left-right moving mode; the paper cutting device comprises a pair of paper cutting moving plates which are symmetrically arranged in front and back; the paper cutting support plates are respectively formed on the end surfaces of the pair of paper cutting moving plates, which are close to each other; the left end and the right end of the end surface close to the pair of paper cutting supporting plates are respectively provided with a middle driving roller in a rotating way; the center of the front end face of the paper cutting support plate at the rear side is rotatably provided with a disc-shaped cutting knife.

Description

Edge cutting equipment for papermaking machinery

Technical Field

The invention relates to the field of papermaking machinery, in particular to edge cutting equipment of papermaking machinery.

Background

The paper making is an important invention for ancient Chinese workers and is divided into a mechanism mode and a manual mode. The mechanism is continuously carried out on a paper machine, pulp suitable for paper quality is diluted to certain concentration by water, and is primarily dewatered at a wire part of the paper machine to form a wet paper sheet, and then the wet paper sheet is pressed for dewatering and then dried to form paper. The dried paper needs to be trimmed, and the uniform specification of the paper is ensured.

Present paper side cut equipment is when the paper is first step-by-step, often needs the manual work to pull and one end winding is on winding the paper roll, wastes time and energy like this.

Disclosure of Invention

The invention aims to solve the technical problem that manual drawing of paper into and out of a trimming device wastes time and labor, and provides a trimming device of a papermaking machine.

The technical scheme for solving the technical problems is as follows: a paper machine edge cutting device comprises a central support, a paper feeding device and a paper winding device; the paper feeding device is positioned on the left side of the central bracket; the paper winding device is positioned on the right side of the central bracket; the paper feeding device comprises a pair of paper feeding supporting plates which are symmetrically arranged in front and back; a pair of paper feeding rollers which are symmetrically arranged up and down are rotatably arranged between the upper ends of the pair of paper feeding supporting plates; the central support comprises a lower support plate; a plurality of supporting legs are arranged on the lower end surface of the lower supporting plate; a plurality of vertical connecting rods are formed on the upper end surface of the lower supporting plate; an upper supporting plate is arranged at the upper end of the vertical connecting rod; a paper limiting plate shaped like a Chinese character 'ji' is arranged on the left end surface of the lower supporting plate in a back-and-forth movement manner; the pair of paper feeding rollers are positioned in the opening of the paper limiting plate; the upper end surface of the upper supporting plate is tangent with the upper end of the cylindrical surface of the paper feeding roller at the lower side; a paper cutting device is arranged on the upper supporting plate in a left-right moving mode; the paper cutting device comprises a pair of paper cutting moving plates which are symmetrically arranged in front and back; the paper cutting support plates are respectively formed on the end surfaces of the pair of paper cutting moving plates, which are close to each other; the left end and the right end of the end surface close to the pair of paper cutting supporting plates are respectively provided with a middle driving roller in a rotating way; a disc-shaped cutting knife is rotatably arranged at the center of the front end face of the paper cutting support plate at the rear side; an avoidance groove for avoiding the cutting knife is formed on the upper end surface of the upper supporting plate; a gap for feeding the paper is arranged between the pair of paper feeding rollers; the horizontal tangent plane of the lower end of the cylindrical surface of the pair of the driving rollers is coplanar with the horizontal tangent plane of the lower end of the cylindrical surface of the paper feeding roller at the upper side.

Preferably, a rectangular groove-shaped front-and-back moving groove is formed on the left end surface of the lower support plate; a front threaded rod and a rear threaded rod are pivoted between the front side wall and the rear side wall of the front-rear moving groove; a front-back driving motor is fixed at the rear end of the front-back moving groove; the rear ends of the front and rear threaded rods are fixedly connected with the output shaft of the front and rear driving motors; a front and rear moving plate matched with the front and rear moving grooves is formed at the lower end of the right end face of the paper limiting plate; the front and back moving plate is arranged in the front and back moving groove in a front and back moving mode and is in threaded connection with the front and back threaded rods.

Preferably, a plurality of lower support rods are formed on the lower end face of the paper limiting plate; the bottom of the lower supporting rod is provided with a roller.

Preferably, left and right moving grooves are respectively formed at the front and rear ends of the upper supporting plate; a left driving threaded rod and a right driving threaded rod are pivoted between the left side wall and the right side wall of the left moving groove and the right moving groove; a left driving motor and a right driving motor are fixed on the left side wall of the left and right moving groove; the left end of the left and right driving threaded rod is fixedly connected with an output shaft of a left and right driving motor; the lower end of the paper cutting moving plate moves left and right, the left and right moving grooves on the corresponding sides are formed, and the paper cutting moving plate is in threaded connection with the left and right driving threaded rods.

Preferably, a pair of conveying motors and a cutting motor are fixed on the paper cutting supporting plate at the rear side; the rotating central shaft of the paper cutting supporting plate is fixedly connected with the output shaft of the conveying motor on the corresponding side; the cutting knife is fixed at the front end of the output shaft of the cutting motor.

Preferably, a pair of paper feeding driving motors distributed up and down are fixed on the rear end surface of the paper feeding supporting plate at the rear side; the rear end of the rotating central shaft of the paper feeding roller is fixedly connected with an output shaft of the paper feeding driving motor.

Preferably, a pair of auxiliary supporting plates which are symmetrically arranged in front and back are formed at the right end of the upper supporting plate; an auxiliary roller is pivoted between the upper ends of the pair of auxiliary supporting plates; the paper winding device comprises a pair of paper winding supporting plates which are symmetrically arranged in front and back; a winding roller is rotatably arranged between the upper ends of the pair of winding paper supporting plates; the horizontal tangent plane of the lower end of the cylindrical surface of the auxiliary roller is coplanar with the horizontal tangent plane of the lower end of the cylindrical surface of the middle driving roller; the horizontal tangent plane of the upper end of the cylindrical surface of the paper winding roller is higher than the upper end surface of the upper supporting plate.

The invention has the beneficial effects that: the width of the paper is controllable, the paper is preliminarily wound on the paper winding device without manual traction, and time and labor are saved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a cross section B-B in FIG. 2 according to the present invention.

In the figure, 10, the central support; 11. a lower support plate; 110. moving the slot forward and backward; 12. supporting legs; 13. a vertical connecting rod; 14. an upper support plate; 140. a groove is moved left and right; 141. an avoidance groove; 15. an auxiliary support plate; 151. an auxiliary roller; 16. a paper limiting plate; 161. a lower support bar; 162. a roller; 17. a front and rear driving motor; 18. a front threaded rod and a rear threaded rod; 19. driving the threaded rod left and right; 20. a paper feeding device; 21. a paper feeding support plate; 22. a paper feeding roller; 23. a paper feed driving motor; 30. a paper cutting device; 31. a paper cutting moving plate; 32. a paper cutting support plate; 33. a middle driving roller; 34. a cutting knife; 40. a paper winding device; 41. a paper winding support plate; 42. and winding the paper roll.

Detailed Description

As shown in fig. 1 to 3, a trimming apparatus for a paper machine includes a center frame 10, a paper feeding device 20, and a paper winding device 40; the paper feeding device 20 is positioned at the left side of the central bracket 10; the paper winding device 40 is positioned at the right side of the central bracket 10; the paper feeding device 20 includes a pair of paper feeding support plates 21 disposed symmetrically in front and rear; a pair of paper feeding rollers 22 which are symmetrically arranged up and down are rotatably arranged between the upper ends of the pair of paper feeding supporting plates 21; the center support 10 includes a lower support plate 11; a plurality of supporting legs 12 are arranged on the lower end surface of the lower supporting plate 11; a plurality of vertical connecting rods 13 are formed on the upper end surface of the lower supporting plate 11; the upper end of the vertical connecting rod 13 is provided with an upper supporting plate 14; a paper limiting plate 16 shaped like a Chinese character 'ji' is arranged on the left end surface of the lower supporting plate 14 in a back-and-forth movement manner; a pair of paper feed rollers 22 are located in the opening of the paper restriction plate 16; the upper end surface of the upper supporting plate 14 is tangent to the upper end of the cylindrical surface of the paper feeding roller 22 at the lower side; a paper cutting device 30 is arranged on the upper supporting plate 14 to move left and right; the paper cutting device 30 includes a pair of paper cutting moving plates 31 arranged symmetrically in front and rear; the paper cutting support plates 32 are respectively formed on the end surfaces of the pair of paper cutting moving plates 31 close to each other; a pair of paper cutting support plates 32 are respectively provided with a middle driving roller 33 in a rotating way at the left end and the right end close to the end faces; a disc-shaped cutting knife 34 is rotatably arranged at the center of the front end face of the paper cutting support plate 32 at the rear side; an avoidance groove 141 for avoiding the cutting knife 34 is formed on the upper end surface of the upper support plate 14; a gap for the sheet to enter is provided between the pair of sheet feed rollers 22; the lower end horizontal section of the cylindrical surface of the pair of middle driving rollers 33 is coplanar with the lower end horizontal section of the cylindrical surface of the upper paper feed roller 22.

As shown in fig. 1 to 3, a front-rear moving groove 110 in the shape of a rectangular groove is formed on the left end surface of the lower support plate 11; a front threaded rod 18 and a rear threaded rod 18 are pivoted between the front side wall and the rear side wall of the front-rear moving groove 110; a front and rear driving motor 17 is fixed at the rear end of the front and rear moving slot 110; the rear end of the front and rear threaded rods 18 is fixedly connected with the output shaft of the front and rear driving motors 17; a front and rear moving plate matched with the front and rear moving groove 110 is formed at the lower end of the right end surface of the paper limiting plate 16; the forward and backward moving plate is arranged in the forward and backward moving groove 110 and is screwed on the forward and backward threaded rod 18.

As shown in fig. 1 and 2, a plurality of lower support bars 161 are formed on the lower end surface of the paper position restricting plate 16; the bottom of the lower support bar 161 is mounted with a roller 162.

As shown in fig. 2, left and right moving grooves 140 are formed at the front and rear ends of the upper support plate 14, respectively; a left driving threaded rod 19 and a right driving threaded rod 19 are pivoted between the left side wall and the right side wall of the left moving groove 140 and the right side wall; a left and right driving motor is fixed on the left side wall of the left and right moving groove 140; the left end of the left and right driving threaded rod 19 is fixedly connected with an output shaft of a left and right driving motor; the lower end of the cut sheet moving plate 31 moves left and right in the left and right movement groove 140 of the corresponding side and is screwed on the left and right driving screw rod 19.

A pair of conveying motor and cutting motor are fixed on the paper cutting support plate 32 at the rear side; the rotating central shaft of the paper cutting support plate 32 is fixedly connected with the output shaft of the conveying motor on the corresponding side; the cutter 34 is fixed to the front end of the output shaft of the cutter motor.

As shown in fig. 1 to 3, a pair of vertically distributed paper feed driving motors 23 is fixed to the rear end surface of the paper feed supporting plate 21 on the rear side; the rear end of the rotation center axis of the paper feed roller 22 is fixedly connected to the output shaft of the paper feed drive motor 23.

As shown in fig. 1 and 3, a pair of auxiliary support plates 15 symmetrically arranged in front and back are formed at the right end of the upper support plate 14; an auxiliary roller 151 is pivoted between the upper ends of the pair of auxiliary supporting plates 15; the paper winding device 40 includes a pair of paper winding support plates 41 arranged symmetrically in front and rear; a winding roller 42 is rotatably provided between the upper ends of the pair of winding support plates 41; the horizontal tangent plane of the lower end of the cylindrical surface of the auxiliary roller 151 is coplanar with the horizontal tangent plane of the lower end of the cylindrical surface of the middle driving roller 33; the upper end of the cylindrical surface of the winding roller 42 is horizontally cut higher than the upper end surface of the upper support plate 14.

The working principle of the edge cutting equipment of the papermaking machine is as follows:

the paper restriction plate 16 is moved in the front-rear direction according to the desired width of the paper, then the paper cutting device 30 is moved to the leftmost end to the left, then the right end of the paper enters from the gap between the pair of paper feed rollers 22 and one end of the right end of the paper comes into contact with the rear end surface of the paper restriction plate 16, and then the right end of the paper immediately enters between the left middle driving roller 33 and the upper end surface of the upper support plate 14; the paper can move horizontally, and is cut by the cutter 34 in a rotating state, and then the right end of the paper enters between the middle driving roller 33 at the right end and the upper end surface of the upper supporting plate 14, so that the paper continuously advances and is cut; until the right end of the sheet reaches the winding roller 42; at this time, the right end of the paper is manually wound on the winding roller 42; the cutter 30 then moves to the right to return it so that the paper can be cut normally.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims

1. The utility model provides a papermaking equipment of cutting edge which characterized in that: comprises a central bracket (10), a paper feeding device (20) and a paper winding device (40); the paper feeding device (20) is positioned on the left side of the central bracket (10); the paper winding device (40) is positioned on the right side of the central bracket (10); the paper feeding device (20) comprises a pair of paper feeding supporting plates (21) which are symmetrically arranged in front and back; a pair of paper feeding rollers (22) which are symmetrically arranged up and down are rotatably arranged between the upper ends of the pair of paper feeding supporting plates (21); the central support (10) comprises a lower support plate (11); a plurality of supporting legs (12) are arranged on the lower end surface of the lower supporting plate (11); a plurality of vertical connecting rods (13) are formed on the upper end surface of the lower supporting plate (11); an upper supporting plate (14) is arranged at the upper end of the vertical connecting rod (13); a paper limiting plate (16) shaped like a Chinese character 'ji' is arranged on the left end surface of the lower supporting plate (14) in a back-and-forth movement way; a pair of paper feeding rollers (22) are positioned in the opening of the paper limiting plate (16); the upper end surface of the upper supporting plate (14) is tangent to the upper end of the cylindrical surface of the paper feeding roller (22) at the lower side; a paper cutting device (30) is arranged on the upper supporting plate (14) in a left-right moving mode; the paper cutting device (30) comprises a pair of paper cutting moving plates (31) which are symmetrically arranged in front and back; the paper cutting support plates (32) are respectively formed on the end surfaces close to the pair of paper cutting moving plates (31); the left end and the right end of the end surface close to the pair of paper cutting supporting plates (32) are respectively provided with a middle driving roller (33) in a rotating way; a disc-shaped cutting knife (34) is rotatably arranged at the center of the front end face of the paper cutting support plate (32) at the rear side; an avoiding groove (141) for avoiding the cutting knife (34) is formed on the upper end surface of the upper support plate (14); a gap for feeding the paper is arranged between the pair of paper feeding rollers (22); the horizontal section of the lower end of the cylindrical surface of the pair of middle driving rollers (33) is coplanar with the horizontal section of the lower end of the cylindrical surface of the paper feeding roller (22) at the upper side.

2. The edge slitting device of a papermaking machine according to claim 1, wherein: a front-back moving groove (110) in a rectangular groove shape is formed on the left end surface of the lower supporting plate (11); a front threaded rod and a rear threaded rod (18) are pivoted between the front side wall and the rear side wall of the front-rear moving groove (110); a front and rear driving motor (17) is fixed at the rear end of the front and rear moving slot (110); the rear ends of the front and rear threaded rods (18) are fixedly connected with the output shaft of the front and rear driving motors (17); a front and rear moving plate matched with the front and rear moving groove (110) is formed at the lower end of the right end surface of the paper limiting plate (16); the front and back moving plate is arranged in the front and back moving groove (110) in a front and back moving mode and is screwed on the front and back threaded rods (18).

3. The edge slitting device of a papermaking machine according to claim 2, wherein: a plurality of lower supporting rods (161) are formed on the lower end surface of the paper limiting plate (16); the bottom of the lower support rod (161) is provided with a roller (162).

4. The edge slitting device of a papermaking machine according to claim 1, wherein: left and right moving grooves (140) are respectively formed at the front and rear ends of the upper supporting plate (14); a left driving threaded rod (19) and a right driving threaded rod (19) are pivoted between the left side wall and the right side wall of the left-right moving groove (140); a left driving motor and a right driving motor are fixed on the left side wall of the left and right moving groove (140); the left end of the left and right driving threaded rod (19) is fixedly connected with an output shaft of a left and right driving motor; the lower end of the paper cutting moving plate (31) moves left and right in a left and right moving groove (140) on the corresponding side and is screwed on the left and right driving threaded rod (19).

5. The edge slitting device of a papermaking machine according to claim 1, wherein: a pair of conveying motors and cutting motors are fixed on the paper cutting support plate (32) at the rear side; the rotating central shaft of the paper cutting supporting plate (32) is fixedly connected with the output shaft of the conveying motor on the corresponding side; the cutting knife (34) is fixed at the front end of the output shaft of the cutting motor.

6. The edge slitting device of a papermaking machine according to claim 1, wherein: a pair of paper feeding driving motors (23) which are distributed up and down are fixed on the rear end surface of the paper feeding supporting plate (21) at the rear side; the rear end of the rotation central shaft of the paper feeding roller (22) is fixedly connected with an output shaft of a paper feeding driving motor (23).

7. The edge slitting device of a papermaking machine according to claim 1, wherein: a pair of auxiliary supporting plates (15) which are symmetrically arranged front and back are formed at the right end of the upper supporting plate (14); an auxiliary roller (151) is pivoted between the upper ends of the pair of auxiliary supporting plates (15); the paper winding device (40) comprises a pair of paper winding support plates (41) which are symmetrically arranged in front and back; a winding roller (42) is rotatably arranged between the upper ends of the pair of winding supporting plates (41); the horizontal tangent plane of the lower end of the cylindrical surface of the auxiliary roller (151) is coplanar with the horizontal tangent plane of the lower end of the cylindrical surface of the middle driving roller (33); the horizontal tangent plane of the upper end of the cylindrical surface of the winding roller (42) is higher than the upper end surface of the upper supporting plate (14).