CN110802695A

CN110802695A - Mao bamboo rotary cutter device with arc-shaped guide rail

Info

Publication number: CN110802695A
Application number: CN201911155917.8A
Authority: CN
Inventors: 周生祥
Original assignee: Xian University of Posts and Telecommunications
Current assignee: Xian University of Posts and Telecommunications
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-02-18
Anticipated expiration: 2039-11-22
Also published as: CN110802695B

Abstract

A circular arc guide rail bamboo rotary cutter device is characterized in that the right ends of three press rollers are fixedly connected with a gear D respectively, each gear D is meshed with a next gear C, a shaft of each gear C is fixedly connected with a gear B, the three gears B are meshed with a gear A simultaneously, and a cutter is hinged to the end part of one of the press rollers through a bearing; the gear E is fixedly connected to the left end of one compression roller, the gear E is meshed with the gear F, the gear F is meshed with the gear G, the gear G is meshed with the gear H, the gear H is fixedly connected with the cam, the left ends of the three compression rollers are hinged in three curve grooves of the cam through bearings respectively, the gear A drives the moso bamboo section to rotate sequentially through the three gears B, the three gears C, the three gears D and the three compression rollers, the gear E drives the cam to rotate through the gear F, the gear G and the gear H, the cam simultaneously drives the three compression rollers and the cutter to perform feeding motion through the three curve grooves of the cam, and uniform bamboo skins are cut.

Description

Mao bamboo rotary cutter device with arc-shaped guide rail

Technical Field

The invention relates to the field of moso bamboo rotary cutters, in particular to a moso bamboo rotary cutter device with circular arc guide rails.

Background

The existing mao bamboo rotary cutter adopts two chucks to clamp mao bamboo sections from two ends, the chucks drive the mao bamboo sections to rotate to complete rotary cutting, so that only the more rentable mao bamboo sections at the root of the mao bamboo can be rotary cut, the fine mao bamboo sections at the middle and upper parts of the mao bamboo cannot be rotary cut, waste is caused, the utilization rate of the mao bamboo materials is less than 40%, the rotary cutting mode can only be used for rotary cutting one mao bamboo section at each time, and the production rate is very low.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a mao bamboo rotary cutter device with an arc-shaped guide rail, which is a mao bamboo rotary cutter device with compact structure, high productivity and high bamboo utilization rate, wherein the mao bamboo rotary cutter is used for rotary cutting a mao bamboo section with the length of 300-600 mm into a bamboo skin with the thickness of about 1mm and used for manufacturing bamboo floors, decorative plates, mould frame plates for buildings and the like.

In order to achieve the purpose, the invention adopts the technical scheme that:

a mao bamboo rotary cutter device with circular arc guide rails comprises a support plate, the ends of three press rollers are hinged in the three circular arc guide rails of the support plate through bearings, the right end of each press roller is fixedly connected with a gear D, each gear D is meshed with a next gear C, a shaft of each gear C is fixedly connected with a gear B, the three gears B are simultaneously meshed with a gear A, and a cutter is hinged at the end of one of the press rollers through a bearing; the gear E is fixedly connected to the left end of one compression roller, the gear E is meshed with the gear F, the gear F is meshed with the gear G, the gear G is meshed with the gear H, the gear H is fixedly connected with the cam, and the left ends of the three compression rollers are hinged in three curve grooves of the cam through bearings respectively;

the gear A drives the moso bamboo section to do rotary motion through three gears B, three gears C, three gears D and three compression rollers in sequence, the gear E drives the cam to do rotary motion through a gear F, a gear G and a gear H in sequence, and the cam simultaneously drives the three compression rollers and the cutter to move in three arc-shaped guide rail grooves of the support plate through three curve grooves of the cam;

three circular guide rails of the bearing plate are uniformly distributed on the circumference of 360 degrees, namely, the distance between every two circular guide rails is 120 degrees or the distance between every two circular guide rails is 120 +/-15 degrees;

three curve grooves of the cam are uniformly distributed on the circumference of 360 degrees, namely, the mutual difference between every two curve grooves is 120 degrees or the mutual difference between every two curve grooves is 120 degrees +/-15 degrees, theoretical curve equations of the three curve grooves of the cam (13) are all,

wherein theta is the rotation angle of the cam, h is the pushing stroke of the cam, f is the thickness of the bamboo skin which is cut by rotary cutting, d is the diameter of the press roll, i is the transmission ratio of the press roll to the cam, pi is the circumferential ratio, and α is the correction quantity of the arc guide rail to the cam rotation angle;

the three press rollers respectively perform rotation motion around the axis of the press rollers and revolution motion around the center of the arc guide rail groove in the three arc guide rails of the support plate, the rotation motion drives the moso bamboo section to perform rotation motion as main motion, the revolution motion drives the cutter to perform feeding motion, and the two motions together complete rotary cutting of the moso bamboo section.

The axial length of the compression roller is 600-1300 mm, and the rotary cutter device can simultaneously carry out rotary cutting on 2-4 moso bamboo sections.

The invention has the beneficial effects that:

the device can rotate to cut thick moso bamboo sections at the root part of the moso bamboo and thin moso bamboo sections at the middle upper part of the moso bamboo, and the utilization rate of moso bamboo materials is more than 90%. The phyllostachys pubescens rotary cutter device with the arc-shaped guide rail disclosed by the invention can be used for simultaneously carrying out rotary cutting on 2-4 phyllostachys pubescens sections, and the production rate is improved by 1-3 times.

Drawings

FIG. 1 is a motion resolving mechanism of the primary motion of the present patent;

FIG. 2 is a motion synthesizing mechanism of the main motion of the present invention patent;

FIG. 3 is a cam feed mechanism of the present invention;

fig. 4 is a multi-bamboo-segment rotary cutting mechanism of the invention.

Wherein, 1 is a gear A; 2 is a gear B; 3 is a gear C; 4 is a gear D; 5 is a support plate; 6, a compression roller; 7 is a moso bamboo section; 8 is bamboo skin; 9 is a cutter; 10 is a gear E; 11 is a gear F; 12 a gear G; 13 is a cam; and 14 is a gear H.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the mao bamboo rotary cutter device with the circular arc guide rails comprises a support plate 5, the ends of three press rolls 6 are hinged in the three circular arc guide rails of the support plate 5 through bearings, the right end of each press roll 6 is fixedly connected with a gear D4, each gear D4 is meshed with a nearby gear C3, a gear B2 is fixedly connected to the shaft of each gear C3, and three gears B2 are meshed with a gear a1 at the same time. The cutter 9 is hinged at the end of one of the compression rollers 6 through a bearing; the gear E10 is fixedly connected with the left end of one press roller 6, the gear E10 is meshed with the gear F11, the gear F11 is meshed with the gear G12, the gear G12 is meshed with the gear H14, the gear H14 is fixedly connected with the cam 13, and the left ends of the three press rollers 6 are hinged in three curve grooves of the cam 13 through bearings respectively;

the gear A1 drives the moso bamboo section 7 to rotate sequentially through the three gears B2, the three gears C3, the three gears D4 and the three press rollers 6, the gear E10 drives the cam 13 to rotate sequentially through the gear F11, the gear G12 and the gear H14, and the cam 13 simultaneously drives the three press rollers 6 and the cutter 9 to move in the three circular arc guide rail grooves of the bearing plate 5 through the three curve grooves of the cam 13;

three circular guide rails of the bearing plate 5 are uniformly distributed on the circumference of 360 degrees, namely, the distance between every two circular guide rails is 120 degrees or the distance between every two circular guide rails is 120 +/-15 degrees;

as shown in fig. 3, the three curved grooves of the cam 13 are uniformly distributed on the circumference of 360 °, i.e. 120 ° of mutual difference between two and two or 120 ° ± 15 ° of mutual difference between two and two, the theoretical curved equations of the three curved grooves of the cam 13 are all,

wherein θ is the rotation angle of the cam 13, h is the pushing distance of the cam 13, f is the thickness of the bamboo skin 8 which is cut by rotary cutting, d is the diameter of the press roll 6, i is the transmission ratio of the press roll 6 to the cam 13, pi is the circumferential ratio, and α is the correction amount of the arc guide rail to the rotation angle of the cam 13;

the three press rollers 6 respectively perform rotation motion around the axis of the press rollers and revolution motion around the center of the circular arc guide rail groove in the three circular arc guide rails of the support plate 5, the rotation motion drives the moso bamboo section 7 to perform rotation motion as main motion, the revolution motion drives the cutter 9 to perform feeding motion, and the two motions together complete rotary cutting of the moso bamboo section 7.

As shown in fig. 4, the axial length of the press roll 6 is 600 to 1300mm, and the rotary cutter device can simultaneously cut 2 to 4 moso bamboo segments 7 in a rotary manner.

Claims

1. A mao bamboo rotary cutter device with circular arc guide rails comprises a support plate (5) and is characterized in that the end parts of three press rollers (6) are hinged in the three circular arc guide rails of the support plate (5) through bearings, the right end of each press roller (6) is fixedly connected with a gear D (4), each gear D (4) is meshed with a nearby gear C (3), a gear B (2) is fixedly connected to the shaft of each gear C (3), the three gears B (2) are meshed with a gear A (1) at the same time, and a cutter (9) is hinged at the end part of one of the press rollers (6) through a bearing; the gear E (10) is fixedly connected to the left end of one press roll (6), the gear E (10) is meshed with the gear F (11), the gear F (11) is meshed with the gear G (12), the gear G (12) is meshed with the gear H (14), the gear H (14) is fixedly connected with the cam (13), and the left ends of the three press rolls (6) are hinged in three curve grooves of the cam (13) through bearings respectively;

the gear A (1) drives the moso bamboo section (7) to rotate sequentially through the three gears B (2), the three gears C (3), the three gears D (4) and the three press rolls (6), the gear E (10) drives the cam (13) to rotate sequentially through the gear F (11), the gear G (12) and the gear H (14), and the cam (13) simultaneously drives the three press rolls (6) and the cutter (9) to move in the three arc-shaped guide rail grooves of the support plate (5) through the three curve grooves of the cam (13);

three arc-shaped guide rails of the bearing plate (5) are uniformly distributed on the circumference of 360 degrees, namely, the distance between every two arc-shaped guide rails is 120 degrees or the distance between every two arc-shaped guide rails is 120 +/-15 degrees;

three curve grooves of the cam (13) are uniformly distributed on the circumference of 360 degrees, namely, the mutual difference between every two curve grooves is 120 degrees or the mutual difference between every two curve grooves is 120 degrees +/-15 degrees, theoretical curve equations of the three curve grooves of the cam (13) are all,

wherein theta is the rotation angle of the cam (13), h is the pushing stroke of the cam (13), f is the thickness of the rotary-cut bamboo skin (8), d is the diameter of the press roller (6), i is the transmission ratio of the press roller (6) to the cam (13), pi is the circumferential ratio, and α is the correction quantity of the arc guide rail to the rotation angle of the cam (13);

the three press rollers (6) respectively perform autorotation motion around the axis of the press rollers and revolution motion around the center of the arc guide rail groove in the three arc guide rails of the support plate (5), the autorotation motion drives the moso bamboo section (7) to perform rotary motion as main motion, the revolution motion drives the cutter (9) to perform feed motion, and the rotary cutting of the moso bamboo section (7) is completed by the two motions.

2. The rotary cutting machine device for moso bamboo with circular arc guide rail according to claim 1, wherein the axial length of the press roll (6) is 600-1300 mm, and the rotary cutting machine device can simultaneously rotary cut 2-4 moso bamboo sections (7).