CN114916283A - Wheat seed belt for precision seeding, preparation device and process thereof - Google Patents
Wheat seed belt for precision seeding, preparation device and process thereof Download PDFInfo
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- CN114916283A CN114916283A CN202210594131.1A CN202210594131A CN114916283A CN 114916283 A CN114916283 A CN 114916283A CN 202210594131 A CN202210594131 A CN 202210594131A CN 114916283 A CN114916283 A CN 114916283A
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- Prior art keywords
- belt
- shaped structure
- accommodating space
- wheat
- bending
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/04—Arranging seed on carriers, e.g. on tapes, on cords ; Carrier compositions
- A01C1/042—Tapes, bands or cords
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/04—Arranging seed on carriers, e.g. on tapes, on cords ; Carrier compositions
- A01C1/046—Carrier compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention discloses a wheat seed belt for precision seeding, which comprises a belt-shaped structure, wherein a plurality of depressions are symmetrically arranged on one long edge or two long edges of the belt-shaped structure at equal intervals, the belt-shaped structure is symmetrically bent along the width direction, and the depressions on one side of a bent opening are combined to form an accommodating space; two long edges of the belt-shaped structure are connected with a belt structure for contracting the opening of the accommodating space. Form accommodation space through sunken combination, form the location to the wheat seed, need not to carry out the pressfitting to the wheat seed at the location in-process, solved among the prior art wheat seed and the problem of the easy fracturing of seed tape combination in-process. The opening of the containing space is used for actively receiving the wheat seeds, positioning is not needed, the bouncing and rolling problems of the wheat seeds in the seeding process can not cause accurate positioning of the final product of the wheat seed tape, and the problem that the misplaced seeds are difficult to correct and adjust in the seeding process in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of agricultural sowing, in particular to a wheat seed belt for precision sowing, a preparation device and a process thereof.
Background
In the prior art, a wheat seed tape is of a double-layer composite structure, wheat seeds are placed at intervals at a gluing position by coating an adhesive on the surface of a lower paper tape, an upper paper tape is covered, and the upper paper tape and the lower paper tape are pressed by a pressing device.
The wheat seed sub-band in the prior art has the following problems: 1. in the sealing process of the wheat seeds and the seed belts, a pressing device is mostly used for sealing, but the wheat seeds can be damaged and even fractured, the germination capacity of the wheat seeds at the later stage is influenced, and the emergence rate is reduced; 2. the wheat seeds are mostly bonded with the lower paper tape by using an adhesive, and the adhesive is directly contacted with the wheat seeds, so that the wheat seeds have obvious negative effects on sprouting; 3. In the seeding process, the seeding device is generally used for suspending the wheat seeds and dropping the seeds, which easily causes the problems of bounce and rolling of the wheat seeds.
In order to solve the above problems, improvements in the wheat seed tape of the prior art are required to solve the above problems.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides a wheat seed tape for precision seeding, a preparation device and a process thereof, and aims to solve the problem that the wheat seed and the seed tape are easy to crack in the combining process in the prior art, the problem that the malposition seed is difficult to correct and adjust in the seeding process, and the problem that the germination rate is reduced because an adhesive is directly contacted with the wheat seed.
In order to achieve the above purpose, the first technical scheme adopted by the invention is as follows: a wheat seed tape for precision seeding comprising a tape-like structure;
the two long edges of the strip-shaped structure are symmetrically provided with a plurality of depressions which are arranged at equal intervals, the strip-shaped structure is symmetrically bent along the width direction, the depressions on one side of the bent opening are combined to form an accommodating space, the accommodating space is used for accommodating wheat seeds, and the accommodating space is of a semi-surrounding structure;
the two long edges of the belt-shaped structure are connected with a belt structure and used for contracting the opening of the accommodating space; the two sides of each accommodating space are provided with the belt structures;
and a gap is arranged between every two adjacent accommodating spaces and is positioned on one side of the bent sealing opening of the strip-shaped structure.
The invention provides a second technical scheme: a wheat seed belt for precision seeding comprises a belt-shaped structure, wherein a plurality of depressions are symmetrically arranged on one long edge of the belt-shaped structure at equal intervals, the belt-shaped structure is symmetrically bent along the length direction, and the plurality of depressions on the long edge are combined to form an accommodating space; the accommodating space is used for accommodating wheat seeds and is of a semi-surrounding structure;
the two long edges of the belt-shaped structure are connected with a belt structure and used for contracting the opening of the accommodating space; the two sides of each accommodating space are provided with the belt structures;
and a gap is arranged between the adjacent accommodating spaces and is positioned on the long edge of the other side of the recess.
In a preferred embodiment of the present invention, the accommodating space is a semi-ellipse, a semi-circle or a semi-oval.
In a preferred embodiment of the present invention, the strap structure is a suspension loop, and the suspension loop is a linear structure;
when one end of the hanging lug is connected with the outer side of the accommodating space, a knotting and tightening mode is adopted to realize the contraction of the opening of the accommodating space;
when both ends of the hanging lugs are connected with the outer side of the accommodating space, the rope is tied to shrink at the opening of the accommodating space in a crossed penetrating mode.
In a preferred embodiment of the present invention, the notch is a triangle, a quadrangle or a special-shaped structure.
In a preferred embodiment of the present invention, the thickness of the recessed portion of the belt structure is the largest.
A preparation apparatus for preparing the wheat seed tape of the first or second aspect, comprising: the device comprises a forming device, a collecting roller, a bending die, a clamp, a gluing device, a bonding device, a shearing device and a receiving die;
the forming device comprises a plurality of melt-blown nozzles arranged in an array and a conveyor belt arranged right below the melt-blown nozzles; a plurality of conveying bulges are arranged on the two edges of the conveying belt;
the surface of the collecting roller is provided with collecting bulges, and the shapes and the sizes of the collecting bulges are consistent with those of the conveying bulges;
the mould of bending includes: the bending die comprises a first die and a second die which are connected through a rotating shaft, wherein a plurality of bending grooves are formed in the surfaces of the first die and the second die, and the bending grooves and the strip-shaped structures are consistent in concave shape and size and arrangement mode; a plurality of clamping pieces are arranged on one side of the first mould or the second mould;
the clamp is used for drawing the belt-shaped structure on the collecting roller and aligning the belt-shaped structure with the bending groove;
the gluing device is used for dispensing glue on the surface of the belt-shaped structure;
the bonding device comprises a plurality of ultrasonic bonding heads for bonding the concave edges of the bent strip-shaped structure;
the bonding means is for bonding a harness structure to both sides of the accommodating space of the belt-like structure;
the shearing device is used for shearing one side of the bent closed opening of the bent belt-shaped structure at equal intervals, and the shearing position is the middle position adjacent to the accommodating space;
the bearing die is provided with a bearing groove for bearing the bent ribbon-shaped structure, and the bearing groove is of a vortex-shaped structure.
In a preferred embodiment of the invention, the meltblown material sprayed by the meltblown spray head just irradiates the width range of the conveyor belt; the number of the melt-blown layers of the belt-shaped structure is consistent with the number of the arrays of the melt-blown nozzles.
A process for preparing the wheat seed tape of the first or second aspect, comprising the steps of:
s1, forming a belt-shaped structure by laminating by using a melt-blowing technology, wherein a plurality of recesses are symmetrically formed on one long edge or two long edges of the surface of the belt-shaped structure;
s2, bending the strip-shaped structure along the central line in the width direction or the length direction, and combining the recesses to form an accommodating space; the recess on one long edge in the S1 corresponds to the bending in the length direction in the S2, and the recesses on two long edges in the S1 correspond to the bending in the width direction in the S2;
s3, scattering the wheat seeds into the containing spaces, and contracting the opening of each containing space by using a belt structure;
s4, bending the seed tape into a vortex shape and collecting.
In a preferred embodiment of the present invention, in S2, the opposite depressions are formed to have the receiving spaces by means of thermal bonding or ultrasonic bonding.
In a preferred embodiment of the present invention, the belt-like structure is formed by melt-blowing a melt-blown material, which is a degradable material.
In a preferred embodiment of the present invention, the degradable material is a polylactide material.
In a preferred embodiment of the present invention, the method for determining the size of the recess includes:
a1, measuring the geometric characteristics of the wheat seeds of the corresponding variety, and establishing a three-dimensional model;
a2, determining a theoretical accommodating space model according to the three-dimensional model;
a3, and two semi-ellipsoids with equal size formed by splitting the theoretical accommodation space model in the length direction, wherein the semi-ellipsoids are matched with the recesses.
In a preferred embodiment of the present invention, in a1, the method for measuring the geometric characteristics of the wheat seeds comprises: the method comprises the steps of placing wheat seeds in three-dimensional coordinates, measuring the length, width and thickness of the wheat seeds by using a three-axis instrument, taking an average value after multiple tests, enabling the wheat seeds to be approximate to ellipsoids, and obtaining a three-dimensional model of each variety of wheat seeds.
In a preferred embodiment of the present invention, compensation values are added to the length, width and thickness of the wheat seeds, wherein the compensation values are 5% -10% of the length, 5% -10% of the width and 40% -50% of the thickness of the wheat seeds.
In a preferred embodiment of the present invention, the thickness of the belt-like structure at the recessed position is 1.3 to 1.5mm, and the thickness of the rest of the belt-like structure is 1.0 to 1.2 mm.
In a preferred embodiment of the present invention, the surface of the depression is provided with a plurality of communication holes for communicating the accommodating space with the outside, so that the wheat seeds can be subjected to material exchange with the outside soil or water.
The invention solves the defects in the background art, and has the following beneficial effects:
(1) the invention provides a wheat seed tape, which is characterized in that pits in array arrangement are prepared on a tape-shaped structure, and the pits are combined to form an accommodating space to position wheat seeds, so that the wheat seeds are not required to be pressed in the positioning process, and the problem that the wheat seeds are easy to crack in the process of combining with the seed tape in the prior art is solved.
(2) The invention utilizes the opening of the containing space to actively receive the wheat seeds without positioning, and the problems of bounce and rolling of the wheat seeds in the seeding process can not cause accurate positioning of the final product of the wheat seed belt, thereby solving the problem that the misplaced seeds are difficult to correct and adjust in the seeding process in the prior art.
(3) The wheat seeds are positioned by combining the containing space with the bunch structure, and compared with a chemical positioning mode in the prior art, the physical positioning mode reduces the influence on the wheat seeds and solves the problem that the germination rate is reduced because the adhesive is directly contacted with the wheat seeds in the prior art.
(4) According to the invention, the notch is arranged on the long edge or the bent closed position on the other side of the recess, and the notch is beneficial to guiding the coiling direction of the strip-shaped structure, so that the coiled wheat seed strips are more compact.
(5) The belt-shaped structure is prepared by melt-blown materials through a melt-blown technology, the melt-blown materials are polylactide materials, on one hand, the polylactide materials have certain plasticity and meet the requirement for forming a depression or a containing space, on the other hand, the polylactide materials can be decomposed into carbon dioxide and water after contacting soil or water for one month and become the starting materials of starch under the action of sunlight photosynthesis, the environment is not polluted, and the influence on the germination of wheat seeds is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
fig. 1 is a perspective view of a wheat seed tape for precision seeding according to a first embodiment of the present invention;
FIG. 2 is a perspective view of a belt structure according to a first embodiment of the present invention;
FIG. 3 is a flow chart of a manufacturing process according to a first embodiment of the present invention;
FIG. 4 is a perspective view of a molding apparatus according to a first embodiment of the present invention;
FIG. 5 is a perspective view of a bending mold according to a first embodiment of the present invention;
fig. 6 is a perspective view of a wheat seed tape for precision seeding according to a second embodiment of the present invention;
in the figure: 1. a wheat seed tape; 2. a belt-like structure; 3. sinking; 4. an accommodating space; 5. a belt structure; 6. a molding device; 61. a melt-blown spray head; 62. a conveyor belt; 63. a transfer projection; 7. bending the die; 71. A rotating shaft; 72. a first mold; 73. a second mold; 74. and bending the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1, a wheat seed tape 1 for precision sowing in the present embodiment is shown, comprising a tape-like structure 2. Two long edges of banded structure 2 are provided with a plurality of sunken 3 along the symmetry, and sunken 3 equidistant arrangement, banded structure 2 bend along the width direction symmetry to 3 combinations of a plurality of sunken of opening one side of bending form accommodation space 4, and accommodation space 4 is used for holding the wheat seed, and accommodation space 4 is half surrounding structure. The two long edges of the belt-shaped structure 2 are connected with a belt structure 5 for contracting the opening of the accommodating space 4; two sides of each accommodating space 4 are provided with a belt structure 5; a gap is arranged between the adjacent accommodating spaces 4 and is positioned on one side of the bending closed opening of the belt-shaped structure 2.
The belt structure 2 in this embodiment is formed by melt-blowing a melt-blown material, which is a degradable material. In this embodiment, the degradable material is preferably a polylactide material. The polylactide material is obtained by using starch extracted from annual plants such as corn, wheat and cotton swamp as an initial raw material, synthesizing lactic acid and polymerizing.
The polylactide material has certain plasticity to meet the formation of the depression 3 or the accommodating space 4, and can be decomposed into carbon dioxide and water in one month after contacting soil or water, and the carbon dioxide and the water become the starting materials of starch under the action of sunlight photosynthesis, so that the polylactide material has no pollution to the environment and has small influence on the germination of wheat seeds.
The band-like structure 2 is in the form of a strip in this embodiment. The distance between the depressions is 10-12 cm.
The accommodating space 4 formed by combining the depressions 3 on the two long sides is in a semi-elliptical, semi-circular, semi-oval or other special-shaped structure. The receiving space 4 is preferably semi-elliptical in this embodiment. The shape of the accommodating space 4 is matched with the shape of the wheat seeds, and the wheat seeds of the same variety are selected as much as possible in the embodiment, so that the accommodating space 4 is convenient to design due to the similar shape characteristics of the wheat seeds of the same variety.
The spacing between the depressions 3 is determined according to the actual conditions of agricultural production. The size of the recess 3 in this embodiment is matched with the shape of the wheat seed. The types of wheat seeds in the prior art include Yumai No. 7, Yangma No. 12, Minong No. 6, Zhoumai No. 22, Zhoumai No. 27, Xinchun No. 6, Longdao No. 14, Xinchun No. 11, Xinchun No. 10, Zhongyou 206, Niyannong No. 19, Jinghua No. 9 and the like. The seeds of each variety are slightly different in geometrical dimension, and in the present embodiment, the size of the accommodating space 4, and thus the size of the recess 3, is determined by measuring geometrical characteristics of the seeds of different varieties.
The present embodiment provides a way to determine the size of the recess 3:
a1, measuring the geometric characteristics of the wheat seeds of the corresponding variety, and establishing a three-dimensional model;
a2, determining a theoretical accommodating space 4 model according to the three-dimensional model;
a3, and two semi-ellipsoids with equal size formed by cutting the theoretical containing space 4 in the length direction, wherein the semi-ellipsoids are matched with the concave 3.
Wherein, in A1, the method for measuring the geometrical characteristics of the wheat seeds comprises the following steps: the method comprises the steps of placing wheat seeds in three-dimensional coordinates, measuring the length l, the width b and the thickness h of the wheat seeds by using a three-axis instrument (such as a vernier caliper), taking an average value after multiple tests, and approximating the wheat seeds to be ellipsoids to obtain a three-dimensional model of each variety of wheat seeds.
In a2, the present embodiment determines the length L, width B and depth H of the theoretical accommodation space 4 model from the length L, width B and thickness H of the wheat seed in the three-dimensional solid model. The determination method comprises the following steps: adding compensation values to the length, width and thickness of the wheat seeds, wherein the compensation values are 5% -10% of the length, 5% -10% of the width and 40% -50% of the thickness of the wheat seeds. The preferred offset values in this example are 7% of the length, 7% of the width and 35% of the thickness of the wheat seed. Namely: l ═ L (1+ 7%); b ═ B (1+ 7%); h ═ H (1+ 45%). The theoretical accommodation space 4 model is equivalent to an unequal magnification of the three-dimensional solid model, and is formed as another ellipsoid.
In the embodiment, the length and the width of the theoretical accommodation space 4 model are slightly larger than the shape of the wheat seeds, so that the seeds can easily enter the accommodation space 4, and a certain space is reserved so that the posture of the seeds can be changed in the shaking process; on the other hand, the entry of redundant seeds is reduced.
In a3, the theoretical accommodation space 4 model in the present embodiment differs from the accommodation space 4 combined by the recess 3 described above in that: the volume of the accommodating space 4 combined by the recess 3 is half of the volume of the theoretical accommodating space 4 model, namely two half ellipsoids which are equal in size and are formed by cutting in the length direction of the theoretical accommodating space 4 model. The semi-ellipsoid and the recess 3 have the same outer dimensions.
Therefore, the depth compensation value of the accommodating space 4 in the present embodiment is larger than the compensation value of the length or width thereof, and the design is such that when the seeds are embedded into the accommodating space 4, the thickness of the most part of the wheat seeds is inside the accommodating space 4, and the thickness of the least part of the wheat seeds protrudes out of the accommodating space 4.
Specifically, in this embodiment, the length, the width and the thickness of the model of the theoretical accommodation space 4 corresponding to the variety yangmai 12 are respectively 8.04mm, 2.99mm and 2.19mm, and the length, the width and the depth of the model of the theoretical accommodation space 4 corresponding to the variety yangmai 12 are respectively 8.60mm, 3.20mm and 3.18 mm. Similarly, the length, the width and the thickness of the model of the theoretical accommodation space 4 corresponding to the cotton farmer No. 6 variety are respectively 7.98mm, 2.86mm and 2.20mm, and the length, the width and the depth of the model of the theoretical accommodation space 4 corresponding to the cotton farmer No. 6 variety are respectively 9.20mm, 3.06mm and 3.19 mm.
The thickness of the belt-shaped structure 2 at the position of the recess 3 is 1.3-1.5 mm, and the thickness of the rest parts is 1.0-1.2 mm. The belt-shaped structure 2 at the position of the recess 3 is thickened, the plasticity of the belt-shaped structure 2 is improved, and the forming of the recess 3 and the accommodating space 4 is ensured.
The surface of the depression 3 in this embodiment is provided with a plurality of communication holes for communicating the accommodating space 4 with the outside, so that the wheat seeds can be subjected to material exchange with the outside soil or water, thereby improving the germination rate or emergence rate of the wheat seeds.
As shown in fig. 2, the belt structure 5 of the present embodiment includes a plurality of hangers, and each hanger is connected to the outer side of each accommodating space 4. The hanging lug is a linear structure, one end of which is connected with the outer side of the accommodating space 4, or two ends of which are connected with the outer side of the accommodating space 4.
When one end of the linear structure is connected with the outer side of the accommodating space 4, the opening of the accommodating space 4 is contracted by adopting a knotting and tightening mode. When both ends of the linear structure are connected with the outer side of the accommodating space 4, a plurality of ropes can be used for shrinking the opening of the accommodating space 4 in a cross penetrating mode. It should be noted that the length of the suspension loop is adapted to the size of the recess 3 and the tightening condition. The threadlike structure here is a degradable material and may be a PLA thread or a PGLA thread.
The wheat seed tape 1 prepared in this example was stored in a coiled form. Because the ribbon structure 2 in this embodiment is bent, the fiber at the bent position is bent, even breaks, and the bent closed position is not flat and smooth when being coiled, and wrinkles are formed, so that the ribbon structure is difficult to coil. In the embodiment, the other side long edge or the bent closed position of the recess 3 is provided with a notch which is beneficial to guiding the coiling direction of the belt-shaped structure 2, so that the coiled wheat seed belts 1 are more compact. The gaps in this embodiment are not limited to triangular, quadrilateral or other special-shaped structures.
As shown in fig. 3, there is shown a flow chart of a manufacturing process in the present invention for manufacturing a wheat seed tape 1 for precision seeding as described above, comprising the steps of:
s1, forming a belt-shaped structure 2 by utilizing a melt-blowing technology in a laminated mode, wherein a plurality of recesses 3 are symmetrically formed in two long edges of the surface of the belt-shaped structure 2;
s2, bending the strip-shaped structure 2 along the central line of the width direction, and combining the recesses 3 to form an accommodating space 4;
s3, scattering the wheat seeds into the accommodating spaces 4, and shrinking the opening of each accommodating space 4 by using the belt structure 5;
s4, bending the seed tape into a spiral shape and collecting.
Here, in S2, the opposing depressions 3 form the accommodating spaces 4 using thermal bonding or ultrasonic bonding.
The embodiment also provides a preparation device which is used for preparing the wheat seed belt 1. The preparation equipment comprises: the device comprises a forming device 6, a collecting roller, a bending die 7, a clamp, a gluing device, a bonding device, a shearing device and a receiving die.
As shown in fig. 4, the forming device 6 in this embodiment includes a plurality of meltblown nozzles 61 arranged in an array, and a conveyor belt 62 disposed directly below the meltblown nozzles 61, and a plurality of conveying protrusions 63 are disposed on two edges of the conveyor belt 62. The transfer projections 63 in this embodiment conform to the shape and size of the above-described semi-ellipsoid or depression 3. The meltblown material is sprayed on the surface of the conveyor belt 62 by the meltblown nozzle 61, and the meltblown material sprayed by the meltblown nozzle 61 irradiates the width of the conveyor belt 62. In this embodiment, the number of the meltblown layers of the belt structure 2 is the same as the number of the arrays of the meltblown heads 61, and the meltblown heads 61 on the side of the transfer projection 63 may be selectively adjusted to increase the thickness of the belt structure 2 at the position of the recess 3.
The surface of the collecting roller in this embodiment is provided with collecting projections having the same shape and size as the transfer projections 63 for coiling the formed strip-like structure 2.
As shown in fig. 5, the bending die 7 in this embodiment includes: the first die 72 and the second die 73 are connected through the rotating shaft 71, a plurality of bending grooves 74 are formed in the surfaces of the first die 72 and the second die 73, and the bending grooves 74 are consistent with the depressions 3 of the belt-shaped structure 2 in shape, size and arrangement mode; the array direction of the bending grooves 74 coincides with the center line direction of the rotating shaft 71. A plurality of clamping pieces are arranged on one side of the first die 72 or the second die 73; and a cutter is arranged on one side of the bending die 7.
The gripper is used to pull and align the belt structure 2 on the collecting roll with the bending groove 74. The gluing device is used for gluing the surface of the strip-shaped structure 2. The bonding device comprises a plurality of ultrasonic bonding heads for bonding the groove edges of the bent strip-shaped structure 2. The bonding means is used to bond the harness structure to both sides of the accommodating space 4 of the belt structure 2. The shearing device is used for shearing the bent closed end side of the bent strip-shaped structure 2 at equal intervals, and the shearing position is the middle position of the adjacent accommodating space 4.
In the present embodiment, the sticky rice glue is used for dispensing, and the main components of the sticky rice glue are edible sticky rice starch, edible potassium sorbate, edible white vinegar and water. The glutinous rice glue in the embodiment is edible glue, and the problems of edible safety and environmental pollution of wheat seeds are solved. Glutinous rice glue in this embodiment does not contact with wheat seed direct contact, only plays the shaping to sunken 3 or accommodation space 4, avoids its influence to wheat seed.
In the embodiment, the receiving mold is provided with a receiving groove for receiving the bent ribbon-shaped structure 2, and the receiving groove is of a vortex-shaped structure; a discharging device is arranged above the receiving mould and used for uniformly spraying the wheat seeds on the surface of the receiving groove, a vibrating device and a rotating device are arranged at the bottom of the receiving mould, and the vibrating device is used for vibrating the receiving mould so that the wheat seeds clamped on the upper surface of the accommodating space 4 and the surface of the receiving mould can be adjusted in posture and can easily slide into the accommodating space 4; the transfer device is used for controlling the inclination of the receiving mould, wherein the inclination angle satisfies the following conditions: such that wheat seeds falling on the receiving mould surface but not entering the receiving space 4 leave the receiving mould surface. In the embodiment, the preferred inclination angle is 15-30 degrees.
The embodiment provides a use method of a preparation device, which comprises the following steps:
b1, primary forming of the belt-like structure 2: the melt-blown spray head 61 sprays melt-blown materials on two sides in the length direction along a conveyor belt 62 with a conveying protrusion 63, the melt-blown materials sprayed by the melt-blown spray head 61 just irradiate the width range of the conveyor belt 62 to form a belt-shaped structure 2 and are collected to a collecting roller;
b2, drawing and aligning by using a clamp: clamping the belt-shaped structure 2 on the collecting roller through a clamp, drawing and aligning the belt-shaped structure 2 to the middle position of the first die 72 and the second die 73, and ensuring that the depressions 3 on the belt-shaped structure 2 correspond to the bending grooves 74 one by one;
b3, positioning and gluing: dispensing on the surface of the strip-shaped structure 2 by using a glue coating device, wherein the dispensing position does not relate to the position of the recess 3, and the dispensing is convenient for fixing the bent strip-shaped structure 2;
b4, bending: combining a first die 72 and a second die 73 through a rotating shaft 71, and shearing the belt-shaped structure 2 by a cutter at one side of a bending die 7;
b5, formation of the accommodation space 4: by rotating the jaws laterally of the first 72 or second 73 dies, the jaws grip the belt structure 2; the edge of each recess 3 is ultrasonically or thermally bonded with a bonding means so that the recess 3 forms a semi-enclosed accommodation space 4;
b6, adhesive tape structure 5: bonding the harness structure to both sides of the accommodating space 4 of the belt-like structure 2;
b7, cutting gaps: cutting a notch at the bent closed part by using a shearing device, and coiling the strip-shaped structure 2 into a receiving mould;
b8, uniformly sprinkling the wheat seeds on the surface of the receiving groove, adjusting the postures of the wheat seeds on the upper surface of the accommodating space 4 and the surface of the receiving mould by using a vibration device at the bottom of the receiving groove, and easily sliding the wheat seeds into the accommodating space 4; inclining the bearing mould by a certain angle by using a rotating device, and separating the wheat seeds which fall on the surface of the bearing mould but do not enter the accommodating space 4 from the surface of the bearing mould; repeating the steps for a plurality of times;
b9, contraction of the accommodation space 4: the opening of the containing space 4 is contracted by using a belt structure 5, and the coil is stored.
The purpose of the repeated operation in step B8 in this embodiment is to: and the hole rate is reduced by multiple operations.
Example two
This embodiment is based on the first embodiment, as shown in fig. 6, and provides another wheat seed tape 1 for precision seeding, comprising a tape-like structure 2.
A long limit of ribbon structure 2 is provided with a plurality of sunken 3 along the symmetry, and sunken 3 equidistant arrangement, ribbon structure 2 bend along the length direction symmetry, and long edge 3 combinations of a plurality of sunken on along form accommodation space 4, and accommodation space 4 is used for holding the wheat seed, and accommodation space 4 is half surrounding structure. The two long edges of the belt-shaped structure 2 are connected with a belt structure 5 for contracting the opening of the accommodating space 4; two sides of each accommodating space 4 are provided with a belt structure 5; a gap is arranged between the adjacent accommodating spaces 4 and is positioned on the long edge of the other side of the recess 3.
The above embodiments of the present embodiment are different in that: the direction of the bends differs and the arrangement of the recesses 3 on the strip-like structure 2 differs.
According to the difference, the preparation equipment and the preparation process of the first embodiment are modified.
Wherein, a preparation process for preparing the wheat seed tape 1 for precision seeding in the embodiment comprises the following steps:
s1, forming a belt-shaped structure 2 by utilizing a melt-blowing technology in a laminated mode, wherein a plurality of recesses 3 are symmetrically formed in one long edge of the surface of the belt-shaped structure 2;
s2, bending the strip-shaped structure 2 along the center line of the length direction, and combining the recesses 3 to form an accommodating space 4;
s3, scattering the wheat seeds into the accommodating spaces 4, and contracting the opening of each accommodating space 4 by using a belt structure 5;
s4, bending the seed tape into a vortex shape and collecting.
Accordingly, a preparation device for preparing the wheat seed tape 1 of the present embodiment. The preparation equipment comprises: the device comprises a forming device 6, a collecting roller, a bending die 7, a clamp, a gluing device, a bonding device, a shearing device and a receiving die.
In the molding device 6, the conveying protrusion 63 in the first embodiment may be provided only on one side of the conveyor belt 62. The collecting protrusion of the collecting roller surface is less adaptable. Bending die 7 includes: the first die 72 and the second die 73 are connected through the rotating shaft 71, a plurality of bending grooves 74 are formed in the surfaces of the first die 72 and the second die 73, and the arrangement direction of the bending grooves 74 is perpendicular to the center line of the rotating shaft 71. The gluing device adapts to the position of the gluing head, but the gluing position still does not comprise recesses 3. The structure and the embodiment of the clamp, the shearing device and the receiving mould are kept consistent.
The method of use of the manufacturing apparatus in this embodiment is substantially the same as in the first embodiment, and the position of the meltblown nozzle 61 is adaptively changed in the preliminary forming of the belt-like structure 2 in step B1; in the bending of step B4, the direction in which first die 72 and second die 73 merge differs.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific cases.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A wheat seed belt for precision seeding comprises a belt-shaped structure and is characterized in that,
the two long edges of the strip-shaped structure are symmetrically provided with a plurality of recesses which are arranged at equal intervals, the strip-shaped structure is symmetrically bent along the width direction, and the plurality of recesses on one side of the bent opening are combined to form an accommodating space which is used for accommodating wheat seeds and is of a semi-surrounding structure;
two long edges of the belt-shaped structure are connected with a belt structure and used for contracting an opening of the accommodating space; the two sides of each accommodating space are provided with the belt structures;
and a gap is arranged between every two adjacent accommodating spaces and is positioned on one side of the bent sealing opening of the strip-shaped structure.
2. A wheat seed belt for precision seeding comprises a belt-shaped structure and is characterized in that,
a plurality of depressions are symmetrically arranged on one long edge of the strip-shaped structure, the depressions are arranged at equal intervals, the strip-shaped structure is symmetrically bent along the length direction, and the depressions on the long edge are combined to form an accommodating space; the accommodating space is used for accommodating wheat seeds and is of a semi-surrounding structure;
the two long edges of the belt-shaped structure are connected with a belt structure and used for contracting the opening of the accommodating space; the two sides of each accommodating space are provided with the belt structures;
and a gap is arranged between the adjacent accommodating spaces and is positioned on the long edge of the other side of the recess.
3. A wheat seed tape for precision sowing according to claim 1 or 2, characterized in that: the accommodating space is semi-elliptical, semicircular or semi-oval.
4. A wheat seed tape for precision sowing according to claim 1 or 2, characterised in that: the bridle structure is a suspension loop, and the suspension loop is a linear structure;
when one end of the hanging lug is connected with the outer side of the accommodating space, a knotting and tightening mode is adopted to realize the contraction of the opening of the accommodating space;
when both ends of the hanging lug are connected with the outer side of the accommodating space, the wire bundling rope is used for shrinking the opening of the accommodating space in a crossed penetrating mode.
5. A wheat seed tape for precision sowing according to claim 1 or 2, characterised in that: the notch is of a triangular, quadrilateral or special-shaped structure.
6. A wheat seed tape for precision sowing according to claim 1 or 2, characterised in that: the thickness of the recessed locations in the ribbon is greatest.
7. A preparation apparatus for preparing a wheat seed tape for precision seeding as claimed in claim 1 or 2, characterized in that: the method comprises the following steps: the device comprises a forming device, a collecting roller, a bending die, a clamp, a gluing device, a bonding device, a shearing device and a receiving die;
the forming device comprises a plurality of melt-blown nozzles arranged in an array and a conveyor belt arranged right below the melt-blown nozzles; a plurality of conveying bulges are arranged on the two edges of the conveying belt;
the surface of the collecting roller is provided with a collecting bulge, and the shape and the size of the collecting bulge are consistent with those of the conveying bulge;
the mould of bending includes: the bending die comprises a first die and a second die which are connected through a rotating shaft, wherein a plurality of bending grooves are formed in the surfaces of the first die and the second die, and the bending grooves and the concave parts of the strip-shaped structures are consistent in shape, size and arrangement mode; a plurality of clamping pieces are arranged on one side of the first mold or the second mold;
the clamp is used for drawing the belt-shaped structure on the collecting roller and aligning the belt-shaped structure with the bending groove;
the gluing device is used for dispensing glue on the surface of the belt-shaped structure;
the bonding device comprises a plurality of ultrasonic bonding heads for bonding the concave edges of the bent strip-shaped structure;
the bonding means is for bonding a harness structure to both sides of the accommodating space of the belt-like structure;
the shearing device is used for shearing one side of the bent closed opening of the bent belt-shaped structure at equal intervals, and the shearing position is the middle position adjacent to the accommodating space;
the bearing die is provided with a bearing groove for bearing the bent ribbon-shaped structure, and the bearing groove is of a vortex-shaped structure.
8. A production apparatus according to claim 7, characterized in that: the melt-blown material sprayed by the melt-blown spray head just irradiates the width range of the conveyor belt; the number of the melt-blown layers of the belt-shaped structure is consistent with the number of the arrays of the melt-blown nozzles.
9. A preparation process for preparing a wheat seed tape for precision sowing as claimed in claim 1 or 2, characterized by comprising the steps of:
s1, forming a belt-shaped structure by laminating by using a melt-blowing technology, wherein a plurality of recesses are symmetrically formed on one long edge or two long edges of the surface of the belt-shaped structure;
s2, bending the strip-shaped structure along the central line in the width direction or the length direction, and forming an accommodating space by the combination of the depressions; the recess on one long edge in the S1 corresponds to the bending in the length direction in the S2, and the recesses on two long edges in the S1 correspond to the bending in the width direction in the S2;
s3, scattering the wheat seeds into the containing spaces, and shrinking the opening of each containing space by using a belt structure;
s4, bending the seed tape into a vortex shape and collecting.
10. A process according to claim 9, wherein: in S2, the opposing depressions form accommodating spaces by means of thermal bonding or ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594131.1A CN114916283B (en) | 2022-05-27 | 2022-05-27 | Wheat seed tape for precision seeding, preparation device and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594131.1A CN114916283B (en) | 2022-05-27 | 2022-05-27 | Wheat seed tape for precision seeding, preparation device and process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114916283A true CN114916283A (en) | 2022-08-19 |
| CN114916283B CN114916283B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210594131.1A Active CN114916283B (en) | 2022-05-27 | 2022-05-27 | Wheat seed tape for precision seeding, preparation device and process thereof |
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| CN (1) | CN114916283B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191405350A (en) * | 1914-03-02 | 1914-07-23 | Edward Elisha Gray | Improvements in or relating to Packages for Seeds or the like. |
| CN2595133Y (en) * | 2002-12-31 | 2003-12-31 | 赵彦斌 | Strip seed positioner for conveniently sowing |
| KR100767343B1 (en) * | 2007-04-16 | 2007-10-17 | 영신산업(주) | Seeds germination net and the manufacturing method |
| CN207733207U (en) * | 2018-01-11 | 2018-08-17 | 北京中农富通园艺有限公司 | A kind of garlic orientation sowing paper tape |
| US20200000017A1 (en) * | 2018-07-02 | 2020-01-02 | Felton, lnc. | Conveyance belt for high speed planting of seeds |
| CN210630207U (en) * | 2019-09-12 | 2020-05-29 | 济南市农业科学研究院 | Equidistant single-seed sowing bar |
| CN111527831A (en) * | 2020-04-27 | 2020-08-14 | 山东省农业科学院玉米研究所（山东省农业科学院玉米工程技术研究中心） | Seed tape processing device and method suitable for scientific research and accurate sowing of corn |
| CN212138299U (en) * | 2019-12-20 | 2020-12-15 | 东北林业大学 | Seed germination filter paper and seed germination box |
-
2022
- 2022-05-27 CN CN202210594131.1A patent/CN114916283B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191405350A (en) * | 1914-03-02 | 1914-07-23 | Edward Elisha Gray | Improvements in or relating to Packages for Seeds or the like. |
| CN2595133Y (en) * | 2002-12-31 | 2003-12-31 | 赵彦斌 | Strip seed positioner for conveniently sowing |
| KR100767343B1 (en) * | 2007-04-16 | 2007-10-17 | 영신산업(주) | Seeds germination net and the manufacturing method |
| CN207733207U (en) * | 2018-01-11 | 2018-08-17 | 北京中农富通园艺有限公司 | A kind of garlic orientation sowing paper tape |
| US20200000017A1 (en) * | 2018-07-02 | 2020-01-02 | Felton, lnc. | Conveyance belt for high speed planting of seeds |
| CN210630207U (en) * | 2019-09-12 | 2020-05-29 | 济南市农业科学研究院 | Equidistant single-seed sowing bar |
| CN212138299U (en) * | 2019-12-20 | 2020-12-15 | 东北林业大学 | Seed germination filter paper and seed germination box |
| CN111527831A (en) * | 2020-04-27 | 2020-08-14 | 山东省农业科学院玉米研究所（山东省农业科学院玉米工程技术研究中心） | Seed tape processing device and method suitable for scientific research and accurate sowing of corn |
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| Publication number | Publication date |
|---|---|
| CN114916283B (en) | 2023-05-16 |
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