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CN-121973302-A - Method and device for removing raised knots of green bamboo and yellow bamboo

CN121973302ACN 121973302 ACN121973302 ACN 121973302ACN-121973302-A

Abstract

The invention relates to the technical field of bamboo processing, in particular to a method and a device for removing a raised knot of a bamboo green, which comprise a device for removing the knot of the bamboo green, a device for removing the knot of the bamboo yellow and a device for clamping a bamboo tube, wherein the device for removing the knot of the bamboo green is used for removing the raised part of the outer bamboo green of the bamboo tube, the device for removing the knot of the bamboo yellow is used for removing the raised parts of the inner bamboo tube, the device for clamping the bamboo tube is used for clamping the bamboo tube in the milling process, the device for removing the knot of the bamboo green comprises a frame, a first-stage air pressure rod is connected to the frame through bolts, and the moving end of the first-stage air pressure rod is fixedly connected with a connecting plate and drives the connecting plate to be connected with the frame in a sliding way. The method and the device have the advantages that the protrusions on the green surface of the bamboo tube are milled to be smooth, the yellow intervals and the protrusions of the bamboo tube are milled to be smooth, the next processing of the bamboo tube is facilitated, the traditional manual green protrusion removal and yellow protrusion removal are replaced, the problem of uneven material removal caused by manual processing is avoided, meanwhile, the processing speed is greatly increased, and the primary processing efficiency of the bamboo tube is improved.

Inventors

  • WANG YU
  • LI YANJUN
  • LI XIAOLONG
  • LI JUNTING

Assignees

  • 浙江农林大学

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The device for removing the raised knots of the green bamboo and the yellow bamboo is characterized by comprising a device for removing the green bamboo knots, a device for removing the yellow bamboo knots and a bamboo tube clamping device; The bamboo green knot removing device is used for removing the convex part of the outer bamboo green of the bamboo tube; the tabasheer knot removing device is used for removing tabasheer interval protrusions inside the bamboo tube; the bamboo tube clamping device is used for clamping in the process of milling the bamboo tube; The bamboo knot removing device comprises a frame (101), a first-stage air pressure rod (1) is connected to the frame (101) through bolts, the moving end of the first-stage air pressure rod (1) is fixedly connected with a connecting plate (102) and drives the connecting plate (102) to be connected with the frame (101) in a sliding mode; The connecting plate (102) is connected with a secondary air pressure rod (2) through a bolt, and the movable end of the secondary air pressure rod (2) is fixedly connected with the base of the milling cutter motor (3) and drives the base of the milling cutter motor (3) to be in sliding connection with the top of the connecting plate (102); an output shaft of the milling cutter motor (3) is fixedly connected with the milling cutter head (4); the side wall of the base of the milling cutter motor (3) is rotationally connected with a first limiting pulley (5).
  2. 2. The device for removing the raised joint of the green bamboo and the yellow bamboo according to claim 1, wherein the device for removing the yellow bamboo and the yellow bamboo comprises a pneumatic rod (6), the pneumatic rod (6) is connected with the side wall of the frame (101) through bolts, the guide rail (61) is connected with the side wall of the frame (101) through bolts, and the guide rail (61) is connected with a sliding block (62) in a sliding manner.
  3. 3. The device for removing the tabasheer boss of the bamboo green is characterized in that a motor (7) is connected to a sliding block (62) through bolts, an output shaft of the motor (7) is fixedly connected with a universal shaft (8), the other end of the universal shaft (8) is fixedly connected with a spherical milling head (10), the spherical milling head (10) is slidingly connected in a moving plate at the upper end of a telescopic device (9), and the telescopic device (9) is fixedly connected to a frame (101); The side walls of the left end and the right end of the moving plate at the upper end of the telescopic device (9) are rotationally connected with second limiting pulleys (11).
  4. 4. The device for removing the raised knots of the green bamboo and the yellow bamboo according to claim 3, wherein the bamboo tube clamping device comprises a gear steering mechanism (12), and a gear steering mechanism (12) and a motor (13) are arranged on the side wall of the frame (101).
  5. 5. The device for removing the raised knots of the green bamboo and the yellow bamboo according to claim 4, wherein the gear steering mechanism (12) is connected with the motor (13), the gear steering mechanism (12) is internally connected with the first steel rope (14) and the second steel rope (15), the first steel rope (14) is connected with the upper end of the upper pressing plate (16), the second steel rope (15) is connected with the bottom of the lower pressing plate (17), and the upper pressing plate (16) and the lower pressing plate (17) are in sliding connection with the side wall of the frame (101) through springs.
  6. 6. The device for removing the raised knots of the green bamboo and the yellow bamboo according to claim 5 is characterized in that the upper pressing plate (16) and the lower pressing plate (17) are rotatably connected with contact wheels, the back surfaces of the other ends of the upper pressing plate (16) and the lower pressing plate (17) are fixedly connected with driving motors, and the driving motors drive the contact wheels to be rotatably connected with the upper pressing plate (16) and the lower pressing plate (17).
  7. 7. The device for removing the raised knots of the green bamboo and the yellow bamboo according to claim 6, wherein the corners of the steel rope I (14) and the steel rope II (15) are supported by fixed pulleys, and the fixed pulleys are arranged on the side wall of the frame (101).
  8. 8. The device for removing the raised joint of the green bamboo and the yellow bamboo according to claim 1, wherein the display (103) is fixedly connected to the top of the frame (101), the placing plates (104) are fixedly connected to the left end and the right end of the top of the frame (101), a belt conveyor (105) is arranged below the inside of the frame (101), and the belt conveyor (105) is positioned below the milling cutter motor (3) and the processing area of the spherical milling head (10).
  9. 9. The device for removing the raised knots of the green bamboo and the yellow bamboo according to claim 1, wherein the frame (101) is provided with a guide plate at the front end and the rear end of the belt conveyor (105), and the guide plate is used for guiding and conveying the crushed aggregates above to the belt conveyor (105).
  10. 10. The method for removing the convex knots of the green bamboo and the yellow bamboo is characterized by comprising the following steps of: Placing the separated bamboo tubes into grooves on a placing plate (104), starting a motor (13), driving a gear steering mechanism 12 by the motor (13), driving a steel rope I (14) and a steel rope II (15) to move outwards simultaneously by the gear steering mechanism 12, loosening the tension of the steel rope I (14) and the steel rope II (15) on an upper pressing plate (16) and a lower pressing plate (17), and enabling the upper pressing plate (16) and the lower pressing plate (17) to be under the action of a spring and reset to enable the two groups of upper pressing plates (16) and the lower pressing plate (17) to be close to each other, enabling the two groups of upper pressing plates (16) and the lower pressing plate (17) to drive a contact wheel to contact four sides of the bamboo tubes, and clamping and fixing the bamboo tubes; Step two, after the bamboo tube is clamped, a motor (7) and a milling cutter motor (3) are started, a first-stage air pressure rod (1) drives a connecting plate (102) to move, the connecting plate (102) drives a second-stage air pressure rod (2), the milling cutter motor (3), a milling cutter head (4) and a first limiting pulley (5) to push towards the bamboo tube, the bamboo tube is closed, then the second-stage air pressure rod (2) drives the milling cutter motor (3), the milling cutter head (4) and the first limiting pulley (5) to push until the milling cutter head and the first limiting pulley (5) are stopped after contacting the bamboo tube, the first limiting pulley (5) is propped against two sides of a boss outside the bamboo tube, and the milling cutter head (4) is controlled; The telescopic device (9) moves downwards until the second limiting pulley (11) contacts the inner wall of the bamboo tube, meanwhile, the telescopic device (9) can also stretch in real time, the constant cutting amount is guaranteed, the spherical milling head (10) can just mill the inner section of the bamboo tube, the pneumatic rod (6) and the secondary pneumatic rod (2) are started at the same time, the sliding block (62) is pushed to the bamboo tube, the two milling cutters start milling, the contact wheel drives the bamboo tube to rotate after the milling starts, after the bamboo tube rotates for a circle, the outer bulge, the inner section of the tabasheer and the bulge of the bamboo tube are milled smoothly, and bamboo scraps fall into a conveying belt on the belt conveyor (105) below.

Description

Method and device for removing raised knots of green bamboo and yellow bamboo Technical Field The invention relates to the technical field of bamboo processing, in particular to a method and a device for removing raised knots of green and yellow bamboo. Background The patent with the publication number of CN119429610A discloses a vertical bamboo separation machine, which is characterized by comprising a frame, a turnover feeding mechanism, a bamboo separation mechanism and a discharging conveying mechanism, wherein the turnover feeding mechanism, the bamboo separation mechanism and the discharging conveying mechanism are sequentially arranged on the frame, the turnover feeding mechanism is used for upwards overturning a bamboo tube to be vertical to the frame, the bamboo separation mechanism is used for removing bamboo separation in the bamboo tube in a vertical state, and the discharging conveying mechanism is used for conveying the bamboo tube after the bamboo separation is removed to a rear production line. The patent with the bulletin number of CN223356740U discloses a bamboo tube overturning and feeding mechanism, which comprises a frame, a bamboo tube clamp, an overturning assembly and a limiting assembly, wherein the bamboo tube clamp is arranged on the frame, the limiting assembly comprises a limiting piece and a pushing piece, the limiting piece is arranged at the tail part of the frame and used for limiting the bamboo tube in the bamboo tube clamp to move forwards, the pushing piece is arranged at the head part of the frame and used for pushing the bamboo tube in the bamboo tube clamp towards the direction of the limiting piece, and the overturning assembly is arranged on the frame. The general processing process of the bamboo flattening plate comprises the steps of cutting a middle section of a bamboo, cutting the cut bamboo into small sections, manually removing protrusions at bamboo joints on the surface of the outer bamboo green, removing the protrusions on the surface of the inner bamboo yellow, and determining the next processing flow according to whether the outer bamboo green and the inner bamboo yellow are needed or not after the removal. After the inner and outer bulges are removed, the inner and outer planes of the bamboo tube are smoothed, the bamboo tube is put into flattening equipment for damp-heat treatment after being axially opened, and finally the flattened bamboo tube is a bamboo flattening plate. The traditional process of removing the bulges on the inner surface and the outer surface is finished by manual work, is time-consuming and labor-consuming, and is easy to cause the problem of excessive or insufficient material removal in the removal engineering, so that the problems of low yield, low efficiency and the like are caused easily due to the fact that stress weak points are generated during the wet heat flattening treatment. Therefore, a method and a device for removing the raised knots of the green bamboo and the yellow bamboo are provided to solve the problems. Disclosure of Invention The technical scheme includes that the device comprises a bamboo green knot removing device, a bamboo yellow knot removing device and a bamboo tube clamping device, the bamboo green knot removing device is used for removing a bamboo green protruding portion outside a bamboo tube, the bamboo yellow knot removing device is used for removing a bamboo yellow interval protrusion inside the bamboo tube, the bamboo tube clamping device is used for clamping in the milling process of the bamboo tube, the bamboo green knot removing device comprises a frame, a first-stage pneumatic rod is connected to the frame through bolts, the movable end of the first-stage pneumatic rod is fixedly connected with a connecting plate and drives the connecting plate to be in sliding connection with the frame, a second-stage pneumatic rod is connected to the connecting plate through bolts, the movable end of the second-stage pneumatic rod is fixedly connected with a milling cutter motor base and drives the milling cutter motor base to be in sliding connection with the top of the connecting plate, an output shaft of a milling cutter motor is fixedly connected with a milling cutter head, and a first limiting pulley is rotationally connected to the side wall of the milling cutter motor base. In one possible implementation mode, the tabasheer knot removing device comprises a pneumatic rod, wherein the pneumatic rod is connected with the side wall of the frame through bolts, the side wall of the frame is connected with a guide rail through bolts, and a sliding block is connected onto the guide rail in a sliding manner. In one possible implementation mode, a motor is connected to a slide block through a bolt, an output shaft of the motor is fixedly connected with a universal shaft, the other end of the universal shaft is fixedly connected with a spherical milling head, the spherical milling head is slidably connected in a mo