CN-121844944-B - Device and method for disentangling and spreading before rope winding of kelp seedlings

CN121844944BCN 121844944 BCN121844944 BCN 121844944BCN-121844944-B

Abstract

The invention relates to a device for disentangling and spreading before rope winding of kelp seedlings, which comprises a frame, and a conveying assembly, a disentangling assembly and a homogenizing and spreading assembly which are sequentially arranged on the frame. The conveying assembly is provided with a first power device, at least two rotatable rollers and a conveying belt, and the rollers are in transmission connection with the first power device and drive the conveying belt to move. The disentangling assembly is provided with a plurality of groups along the conveying direction, and comprises a second power device, an eccentric rotating piece, a floating connecting structure and a mounting bracket, wherein the eccentric rotating piece is connected with the floating connecting structure. The homogenizing flattening component is arranged below the carrying section of the conveyor belt. The invention also discloses a kelp seedling rope-feeding pretreatment method. According to the invention, the disentangling assembly and the homogenizing flattening assembly are matched, so that disentangling, loosening and thickness homogenization of kelp seedlings are realized in a continuous operation process, the kelp seedlings are uniformly and low-overlapping flattened before being fed into a rope feeding station, and the feeding stability and the rope feeding density consistency are improved.

Inventors

FENG YUNLING
NI HUI
LV HUITING
YANG BIYUN
TU FURONG

Assignees

厦门海洋职业技术学院

Dates

Publication Date: 20260508
Application Date: 20260318

Claims (14)

1. The device for disentangling and spreading the kelp seedling before rope feeding is characterized by comprising a frame, and a conveying assembly, a disentangling assembly and a homogenizing and spreading assembly which are arranged on the frame, wherein the disentangling assembly and the homogenizing and spreading assembly are sequentially arranged along the conveying direction of the conveying assembly; The conveying assembly comprises a first power device, rollers and a conveying belt, wherein the first power device and the rollers are arranged on the frame, at least two rollers are arranged, the rollers are rotatably arranged on the frame, the conveying belt is sleeved on the outer side of the rollers, at least one roller is in transmission connection with the first power device, and the rollers drive the conveying belt to move; The device comprises a conveying assembly, a first power device, an eccentric rotating piece, a floating connecting structure and a mounting bracket, wherein the first power device, the eccentric rotating piece, the floating connecting structure and the mounting bracket are arranged on the rack, the mounting bracket is positioned on two sides of the conveying assembly, the floating connecting structure is arranged on the mounting bracket, two ends of the eccentric rotating piece are rotatably connected with the floating connecting structure, the floating connecting structure is used for enabling the eccentric rotating piece to move in the vertical direction, the second power device is arranged on the floating connecting structure and is in transmission connection with the eccentric rotating piece, a connecting line of the mounting brackets at two ends of the eccentric rotating piece is perpendicular to the conveying direction of the conveying assembly, and a gap is reserved between the eccentric rotating piece and a conveying belt; The floating connecting structure comprises an elastic piece and a rotating shaft connecting piece, one end of the elastic piece is fixedly connected with the rotating shaft connecting piece, the other end of the elastic piece is connected with the mounting bracket, and the rotating shaft of the eccentric rotating piece is rotatably mounted on the rotating shaft connecting piece; the floating connection structure further comprises a transition connection piece, the elastic piece is a spring, two ends of the spring are fixedly connected with the transition connection piece, one transition connection piece is connected with the mounting bracket, the other transition connection piece is connected with the rotating shaft connection piece, and the rotating shaft connection piece is a bearing; the homogenizing flattening component is used for flattening kelp seedlings on the conveyor belt; the homogenizing and flattening assembly is arranged below the bearing part of the conveyor belt and comprises a bottom plate, a supporting piece, a damping device and a vibrator, wherein the bottom plate is horizontally arranged on the frame and arranged below the bearing part of the conveyor belt, the bottom plate is connected with the frame through the damping device, the supporting piece is arranged on the bottom plate in a staggered mode, the supporting piece is abutted to the bearing part of the conveyor belt, and the vibrator is arranged on the bottom plate.
2. The kelp seedling pre-rope-winding and flattening averaging device is characterized in that the conveying speed of a conveying belt is v, the setting range of v is 0.5 m/min-5 m/min, the setting range of e of an eccentric rotating piece is 5 mm-20 mm, the setting range of n of the rotating speed of the eccentric rotating piece is 30 rpm-150 rpm, and the setting range of g min ,g min of the dynamic minimum gap width between the eccentric rotating piece and the conveying belt is 3 mm-10 mm.
3. The device for disentangling and spreading before rope winding of kelp seedlings according to claim 1 is characterized in that the travel of the floating connection structure in the vertical direction is h, the value range of h is 10-30 mm, the elastic recovery stiffness of the elastic piece is k, and the value range of k is 0.5-5N/mm.
4. The kelp seedling pre-rope unwinding and flattening averaging device is characterized in that a plurality of groups of supporting pieces are arranged, a plurality of groups of supporting pieces are arranged in a collinear mode along the width direction of a conveying belt, the plurality of groups of supporting pieces are arranged at intervals along the conveying direction of the conveying belt, two adjacent groups of supporting pieces are arranged in a staggered mode, the distance between the central lines of the two adjacent groups of supporting pieces along the conveying direction of the conveying belt is 50-150 mm, the value range of P is 50 mm-150 mm, the offset distance between the central lines of the two adjacent groups of supporting pieces in the width direction of the conveying belt is transverse offset delta P, and the arrangement range of delta P is 20-80 mm.
5. A device for disentangling and spreading before roping kelp seedlings according to claim 4, wherein said supporting member is a roller mounted on a bottom plate.
6. The device for disentangling and spreading before rope winding of kelp seedlings according to claim 1, wherein the damping device is a rubber spring.
7. The device for disentangling and spreading the kelp seedling before rope feeding according to claim 1 is characterized in that the vibrator is an eccentric vibrator, the vibrator is obliquely arranged on a bottom plate, an included angle between a vibrator installation surface and the vertical direction is 10-30 degrees, the vibration frequency of the vibrator is f, the setting range of f is 10-50 Hz, the vibration amplitude of the vibrator is A, and the setting range of A is 1-8 mm.
8. The device for disentangling and spreading before rope-feeding of kelp seedlings according to claim 7, wherein two vibrators are arranged, the vibrators are symmetrically arranged at the bottom of the bottom plate, and connecting lines of the vibrators are perpendicular to the conveying direction of the conveying belt.
9. The device for disentangling and spreading before rope-feeding of kelp seedlings according to claim 1, wherein said eccentric rotating member is an eccentric roller or an eccentric drum.
10. The device for disentangling and spreading before rope-feeding of kelp seedlings according to claim 1, wherein the surface of the conveyor belt is provided with oblique opening lines, the opening direction of the oblique opening lines faces the conveying direction of the conveying assembly, and the inclined edges of the oblique opening lines form an included angle with the conveying direction of the conveying assembly, wherein the included angle is 10-35 degrees.
11. The device for disentangling and spreading before rope winding of kelp seedling according to claim 10, wherein said oblique opening lines are V-shaped, and the cross section of said oblique opening lines is trapezoidal.
12. A kelp seedling rope-feeding pretreatment method, which adopts the kelp seedling rope-feeding pre-unwrapping and flattening averaging device according to any one of claims 1-11, and is characterized by comprising the following steps: S1, feeding, namely continuously feeding wet kelp seedlings taken out of a seedling raising pond into a feeding end of the device, so that the kelp seedlings spread on the surface of a conveyor belt of the conveying assembly; S2, disentangling, namely driving the eccentric rotating piece to rotate through a second power device of the disentangling assembly, applying transverse stirring and turning-up actions to kelp seedlings in a winding and series connection state through periodic asymmetric disturbance of the eccentric rotating piece, and simultaneously driving the eccentric rotating piece to adaptively move in the vertical direction through the floating connection structure so as to avoid forming rigid pressing on the kelp seedlings and realize disentangling separation of the kelp seedlings; s3, homogenizing and flattening, namely conveying kelp seedlings to the position of a homogenizing and flattening assembly along with a conveyor belt, and utilizing the action of the assembly to promote the kelp seedlings to stretch and rearrange along the width direction of the conveyor belt so as to finish the homogenizing and flattening; S4, discharging, namely outputting the flattened kelp seedlings to a rope feeding station.
13. The method for rope-feeding pretreatment of kelp seedling in step S1, wherein in step S1, oblique opening lines are arranged on the surface of the conveyor belt, the openings of the oblique opening lines face the conveying direction of the conveyor belt, and the oblique opening lines guide the kelp seedling to stretch along the width direction of the conveyor belt through directional friction.
14. The kelp seedling rope-feeding pretreatment method according to claim 12, wherein in the step S3, the homogenizing and leveling assembly is arranged below a bearing part of a conveyor belt, the homogenizing and leveling assembly comprises a bottom plate, a supporting piece, a damping device and a vibrator, the bottom plate is horizontally arranged on a frame and is arranged below the bearing part of the conveyor belt, the bottom plate is connected with the frame through the damping device, the supporting piece is arranged on the bottom plate in a staggered manner, the supporting piece is abutted with the bearing part of the conveyor belt, and the vibrator is arranged on the bottom plate; The conveyer belt alternately forms free subsidence areas at different positions under the self weight and vibration action of materials through the support pieces arranged in a staggered manner, a stable stacking structure formed along the conveying direction or the width direction of the conveyer belt in the conveying process of the materials is broken, and kelp seedlings are caused to perform multidirectional relative displacement and redistribution under the vibration disturbance action of the vibrator.

Description

Device and method for disentangling and spreading before rope winding of kelp seedlings Technical Field The invention relates to the technical field of kelp seedling cultivation operation equipment, in particular to a device and a method for disentangling, spreading and homogenizing before kelp seedling rope loading. Background Kelp cultivation generally requires kelp seedlings to be fixed on seedling ropes and then put into sea areas for deployment and cultivation. The quality of the rope is directly affected on the survival rate and the consistency of growth, so the ideal state before the rope is put on is that the kelp seedling is loose, the aggregation is low, the winding is low, the overlapping is low, the thickness and the distribution are uniform, and the continuous and stable feeding can be realized. However, in actual production, kelp seedlings are in a wet state and easy to adhere and tangle, and after being taken out from a seedling raising pond or temporarily transferred, the kelp seedlings are often formed into series winding and local thick piles, so that rope feeding fluctuation is large, the density is uneven, and manual frequent scattering and line stopping arrangement are caused, so that rope feeding efficiency and consistency are reduced. The prior related patent technology is mainly focused on the realization and optimization of seedling clamping actions or seedling rope links. For example, patent CN111557236a discloses a kelp seedling clamping machine and a kelp seedling clamping method, and a rope twisting, rope opening and seedling clamping integrated structure is designed to realize mechanical operation of fixing kelp seedlings and seedling ropes. Patent CN117530169a discloses a kelp seedling rope passing device and a swing suppression method, which suppress seedling rope shake by lifting and suppressing plate and other structures to improve rope clamping efficiency. The above proposal does not consider the influence of the uniformity state before the kelp seedling enters the rope feeding station on the cultivation effect of the kelp seedling, and lacks the pertinence proposal of breaking agglomeration and winding, realizing thickness homogenization and continuous feeding. Disclosure of Invention The invention aims to provide a device and a method for disentangling and spreading averaging before kelp seedling rope loading, which are used for solving the problems of stacking, uneven thickness and series connection winding in the continuous feeding process before kelp seedling rope loading. The invention discloses a kelp seedling pre-rope untwisting and flattening and averaging device which comprises a frame, a conveying component, an untwisting component and an averaging and flattening component, wherein the conveying component, the untwisting component and the averaging and flattening component are arranged on the frame, and the untwisting component and the averaging and flattening component are sequentially arranged along the conveying direction of the conveying component. The conveying assembly comprises a first power device, rollers and a conveying belt, wherein the first power device and the rollers are arranged on the frame, at least two rollers are arranged, the rollers are rotatably arranged on the frame, the conveying belt is sleeved on the outer side of the rollers, at least one roller is in transmission connection with the first power device, and the rollers drive the conveying belt to move. The utility model discloses a conveying assembly, including conveying assembly, disentangling assembly, first power device, eccentric rotating member, floating connection structure and installing support, installing support fixed mounting in the frame, and be located conveying assembly's both sides, floating connection structure installs on the installing support, eccentric rotating member's both ends and floating connection structure rotatable coupling, floating connection structure is used for making eccentric rotating member remove in vertical direction, second power device installs in floating connection structure, and with eccentric rotating member transmission is connected, the wiring of the installing support at eccentric rotating member both ends is perpendicular with conveying assembly's conveying direction, reserve the clearance between eccentric rotating member and the conveyer belt. The homogenizing flattening component is used for flattening kelp seedlings on the conveyor belt and reducing the thickness of the kelp seedlings. Preferably, the eccentric amount of the eccentric rotating piece is e, the setting range of e is 5 mm-20 mm, the rotating speed of the eccentric rotating piece is n, the setting range of n is 30 rpm-150 rpm, and the setting range of the dynamic minimum gap width between the eccentric rotating piece and the conveyor belt is g min,gmin mm-10 mm. Preferably, the floating connection structure comprises an elastic piece and a rotating shaft connecting piece