Grassland seed screening device

Abstract

The utility model relates to the technical field of seed screening, in particular to a grass industry seed screening device which comprises a machine frame, a feeding hopper is fixedly connected to the top of the machine frame, a screening mechanism is arranged at the bottom of the machine frame and located below the feeding hopper, and an intermittent assembly and a pressing and scattering assembly are arranged in the feeding hopper. Seeds are intermittently discharged through the intermittent assembly, the pressing and scattering assembly is used for pressing and scattering and separating caked seeds, a motor drives a drive plate to drive a gear to rotate, grass seeds are indirectly discharged through a turning plate, and it is avoided that too much one-time feeding affects equipment work; in addition, in the operation process of the intermittent mechanism, the pressing roller can be driven to rotate synchronously, the pressing roller is matched with the pressing plate to press and separate caked grass seeds when rotating, the situation that the caked grass seeds cannot be screened, and the screening efficiency is affected is avoided, the distance between the pressing plate and the pressing roller can be adjusted by unlocking a fastener, and the screening efficiency is improved. Therefore, grass seeds with different particle sizes can be adapted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grass industry seed screening device, especially to a grass industry seed screening device. BACKGROUND

[0002] Grass industry is an industry related to the development, utilization and protection management of grassland resources, including lawn, landscaping, forage cultivation and breeding and processing, artificial grassland planting and management, grassland improvement and other aspects.

[0003] Grass industry seed refers to various types of grass seeds used for grassland planting, improvement and maintenance. The dried-up seeds can be cleaned through the screening method of the screening equipment to ensure that most seeds can germinate normally. For example, the prior art Chinese patent publication No. "CN218797432U" discloses a seed detection device related to the seed detection technical field, which comprises a detection machine for screening and detecting seeds, a driving motor for providing driving power is fixedly connected to the front of the detection machine, and the output shaft of the driving motor extends to the inside of the detection machine and is movably connected with the inner wall of the detection machine. The seed detection device drives the rotating shaft and the driving wheel to rotate through the driving motor, thereby driving the conveying belt to drive, so that the seeds are pushed into the inside of the detection groove by the scraper, the seeds with appropriate size are driven to the upper side of the mounting block, the small seeds are screened out through the through groove, the qualified seeds are put into the inside of the channel through the inclined groove, the hollow seeds are blown to the upper side of the inclined block by the fan and then slide into the inside of the hollow seed storage tank, and the qualified seeds are put into the inside of the qualified seed storage tank through the channel, so that the size and the hollow of the seeds are detected and screened, thereby improving the practicability of the equipment.

[0004] In the specific operation, considering that part of the grass seeds appear to be clumped during storage or processing, the clumped seeds cannot be separated during screening, which affects the subsequent screening efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the above-mentioned shortcomings that the clumped seeds cannot be separated in the prior art, and provides a grass industry seed screening device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A grass industry seed screening device is designed, which comprises a rack, a feeding hopper is fixedly connected to the top of the rack, a screening mechanism is arranged below the feeding hopper at the bottom of the rack, an intermittent component and a dispersing component are arranged in the inside of the feeding hopper, the seeds are intermittently discharged through the intermittent component, and the dispersing component is used for dispersing and separating the clumped seeds.

[0008] Further, the intermittent assembly comprises a rotating rod rotatably connected to the middle of the bottom of the feeding hopper, and a flap is fixedly connected to the periphery of the rotating rod, and the flap can close the feeding port of the feeding hopper.

[0009] Further, a connecting rod is rotatably connected to the side wall of the feeding hopper, a free end of the connecting rod is fixedly connected with a dial, the dial is in a circular structure, and a clearance slot is arranged on the periphery of the dial, and an abutting block is arranged on the end of the side extension of the dial.

[0010] Further, one end of the rotating rod extends to the periphery of the feeding hopper and is fixedly connected with a grooved wheel, a plurality of recesses are circumferentially distributed on the periphery of the grooved wheel, and a straight slot is arranged between the adjacent two recesses.

[0011] The dial is rotatably connected in the recess and avoids the grooved wheel through the clearance slot, and the abutting block is slidably connected with the straight slot.

[0012] Further, the pressure dispersion assembly comprises a pressure roller, the feeding hopper is rotatably connected with the pressure roller through a rotating shaft below the intermittent assembly, and a baffle is fixedly connected to the inner wall of the feeding hopper above the pressure roller.

[0013] The rotating shaft and the connecting rod are synchronously rotated through a transmission mechanism.

[0014] Further, a pressing plate is arranged, one end of the pressing plate is fixedly connected with a guide rod, the other end of the pressing plate is bent downward and arranged opposite to the pressure roller, an extension is formed on the side of the pressing plate close to the guide rod, and the extension penetrates the feeding hopper.

[0015] Further, the bottom of the feeding hopper is slidably connected with the guide rod through a sliding groove, an end of the guide rod is provided with a sealing element, and a fastener is threadedly connected, the fastener is abutted against the feeding hopper through the sealing element.

[0016] The middle of the sealing element is slidably connected with the guide rod, and the sealing element is used for sealing the sliding groove.

[0017] The grass seed screening device has the advantages that: the gear is driven to rotate by the motor driving the dial, the grass seeds are indirectly discharged by the flap, the one-time feeding is prevented from being too much to affect the equipment work, in addition, the pressure roller is synchronously rotated during the operation of the intermittent mechanism, the caked grass seeds are separated by the pressure roller and the pressing plate, the caked grass seeds cannot be screened to affect the screening efficiency, the distance between the pressing plate and the pressure roller can be adjusted by unlocking the fastener to adapt to the grass seeds with different particle sizes, and the large block grass seeds cannot be dispersed.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic view of the utility model;

[0019] Figure 2 It is the structure schematic view of the utility model intermittent assembly;

[0020] Figure 3 It is Figure 2 The enlarged structure schematic view of A area of the utility model;

[0021] Figure 4 It is Figure 2 The enlarged structure schematic view of B area of the utility model;

[0022] Figure 5 It is the section view of the utility model compression roller.

[0023] In the drawing: 1, rack; 2, feed hopper; 21, rotating shaft; 22, chute; 3, screening mechanism; 4, intermittent assembly; 41, rotating rod; 42, flap; 43, connecting rod; 44, dial; 441, accommodation slot; 45, stop block; 46, slot wheel; 461, recessed part; 462, straight slot; 5, compression assembly; 51, compression roller; 52, baffle; 53, compression plate; 531, extension; 54, guide rod; 55, plugging piece; 56, fastener; 6, transmission mechanism. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Referring to Figures 1-5 A grass industry seed screening device, including rack 1, be fixedly connected with feed hopper 2 at the top of rack 1, and its bottom is located below feed hopper 2 and is provided with screening mechanism 3, the inside of feed hopper 2 is equipped with intermittent assembly 4 and compression assembly 5, and seed is intermittently discharged through intermittent assembly 4, and compression assembly 5 is used for the compression separation of the seed of the seed group.

[0026] Further, the intermittent assembly 4 includes a rotating rod 41, which is rotatably connected to the middle part of the bottom of the feed hopper 2, and a flap 42 is fixedly connected to the periphery of the rotating rod 41, and the flap 42 can close the feed inlet of the feed hopper 2.

[0027] Further, a connecting rod 43 is rotatably connected to the sidewall of the feeding hopper 2, a free end of the connecting rod 43 is fixedly connected with a dial 44, the dial 44 is in a circular structure, and a clearance slot 441 is arranged at the periphery of the dial 44, and the dial 44 is provided with an abutting block 45 at the end of the side extension, and the abutting block 45 is arranged correspondingly to the clearance slot 441.

[0028] In more detail, one end of the rotating rod 41 extends to the periphery of the feeding hopper 2 and is fixedly connected with a grooved wheel 46, a plurality of recesses 461 are circumferentially distributed on the periphery of the grooved wheel 46, and a straight slot 462 is arranged between the adjacent two recesses 461;

[0029] The dial 44 is rotatably connected in the recess 461 and avoids the grooved wheel 46 through the clearance slot 441, and the abutting block 45 is slidably connected with the straight slot 462.

[0030] It should be noted that the structure of the dial 44 driving the grooved wheel 46 can refer to the Geneva mechanism in the prior art.

[0031] In the specific operation, the connecting rod 43 is driven to rotate by the transmission mechanism 6 to drive the dial 44 to rotate, the dial 44 drives the grooved wheel 46 to drive the flap 42 to rotate intermittently through the abutting block 45, and the intermittent feeding effect is achieved.

[0032] Further, the abutting block 45 does not deviate from the straight slot 462, and the grooved wheel 46 is fixedly resisted by the abutting block 45 to avoid free rotation.

[0033] In general, the pressure dispersion assembly 5 includes a pressure roller 51, the feeding hopper 2 is rotatably connected with the pressure roller 51 through a rotating shaft 21 below the intermittent assembly 4, and the inner wall of the feeding hopper 2 is fixedly connected with a baffle 52 above the pressure roller 51.

[0034] The rotating shaft 21 and the connecting rod 43 are synchronously rotated through the transmission mechanism 6.

[0035] In this embodiment, the transmission mechanism 6 includes a motor, the motor is fixedly connected to the top of the rack 1, a first synchronous wheel is fixedly connected to the shaft end of the motor and one end of the connecting rod 43, and a first transmission belt is sleeved between the two first synchronous wheels.

[0036] In addition, a second synchronous wheel is fixedly connected to the end of the rotating shaft 21 and the end of the connecting rod 43, a second transmission belt is sleeved between the two second synchronous wheels, and it is worth mentioning that the diameter of the second synchronous wheel connected with the connecting rod 43 is greater than that of the other second synchronous wheel, and the small transmission ratio synchronous wheel is driven to rotate in the way of large transmission ratio, so as to avoid the influence of the slow rotating speed of the pressure roller 51 on the feeding.

[0037] Further, the pressing plate 53 is fixedly connected with the guide rod 54 at one end and is downwardly bent at the other end to be arranged opposite to the pressing roller 51, and the pressing plate 53 is extended to form an extension part 531 at the side close to the guide rod 54, and the extension part 531 is arranged through the feeding hopper 2.

[0038] It is worth mentioning that the baffle 52 is used to prevent the grass seeds from being discharged along the gap between the pressing roller 51 and the feeding hopper 2, the baffle 52 is bent at one end to cooperate with the pressing roller 51 to spread the grass seeds, and one end of the baffle 52 is downwardly bent to form a discharging space between the baffle 52 and the pressing roller 51, thereby further increasing the contact area of the grass seeds with the pressing roller 51.

[0039] Finally, the bottom of the feeding hopper 2 is slidably connected with the guide rod 54 through the chute 22, the end of the guide rod 54 is provided with a blocking piece 55, and a fastener 56 is threadedly connected, and the fastener 56 is abutted against the feeding hopper 2 through the blocking piece 55;

[0040] The middle part of the blocking piece 55 is slidably connected with the guide rod 54, and the blocking piece 55 is used to block the chute 22.

[0041] Specifically, the fastener 56 is a nut, and when the nut is locked, the feeding hopper 2 is abutted against the blocking piece 55 through friction, the blocking piece 55 is used to block the chute 22 to prevent the grass seeds from overflowing along the chute 22.

[0042] The extension part 531 is arranged to prevent the pressing plate 53 from moving to cause a gap between the side of the pressing plate 53 away from the pressing roller 51 and the feeding hopper 2.

[0043] Working mode; when working, the grass seeds are poured into the feeding hopper 2, the connecting rod 43 is driven to rotate through the transmission mechanism 6, the connecting rod 43 drives the groove wheel 46 to rotate through the dial 44, and the groove wheel 46 achieves the intermittent discharging effect through intermittent rotation and the flap 42;

[0044] The grass seeds need to be spread through the spreading assembly 5 after passing through the intermittent assembly 4, the connecting rod 43 drives the rotating shaft 21 to rotate through the second synchronous wheel and the second synchronous belt, and the rotating shaft 21 drives the pressing roller 51 to cooperate with the pressing plate 53 to spread the grass seeds;

[0045] After the fastener 56 is unlocked, the distance between the pressing plate 53 and the pressing roller 51 can be adjusted, and after the adjustment is completed, the fastener 56 is locked again, the fastener 56 cooperates with the feeding hopper 2 to fasten the blocking piece 56 through friction to prevent the grass seeds from being discharged along the chute 22.

[0046] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A grassland seed screening apparatus comprising a frame (1), characterised in that: The top of the frame (1) is fixedly connected with a feeding hopper (2), and the bottom of the frame (2) is provided with a screening mechanism (3) below the feeding hopper (2). The inside of the feeding hopper (2) is provided with an intermittent assembly (4) and a pressure dispersion assembly (5). The seeds are intermittently discharged through the intermittent assembly (4), and the pressure dispersion assembly (5) is used for pressure dispersion and separation of the seed balls.

2. A grassland seed screening device according to claim 1, characterised in that: The intermittent assembly (4) comprises a rotating rod (41) which is rotatably connected to the middle of the bottom of the feeding hopper (2). The outer periphery of the rotating rod (41) is fixedly connected with a flap (42), and the flap (42) can close the feeding port of the feeding hopper (2).

3. A grassland seed screening apparatus according to claim 2, wherein: The sidewall of the feeding hopper (2) is rotatably connected with a connecting rod (43), the free end of the connecting rod (43) is fixedly connected with a dial (44), the dial (44) is in a circular structure, and the outer periphery of the dial (44) is provided with a clearance groove (441). The end of the dial (44) located at the extended portion of the side surface is provided with an abutting block (45), and the abutting block (45) is correspondingly arranged with the clearance groove (441).

4. A grassland seed screening apparatus according to claim 3, wherein: One end of the rotating rod (41) extends to the outer periphery of the feeding hopper (2) and is fixedly connected with a groove wheel (46). The outer periphery of the groove wheel (46) is circumferentially provided with a plurality of recesses (461), and a straight groove (462) is further arranged between the adjacent two recesses (461). The dial (44) is rotatably connected in the recess (461) and avoids the groove wheel (46) through the clearance groove (441). The abutting block (45) is slidably connected with the straight groove (462).

5. A grassland seed screening apparatus according to claim 3, wherein: The pressure dispersion assembly (5) comprises a pressure roller (51). The feeding hopper (2) is rotatably connected with the pressure roller (51) through a rotating shaft (21) below the intermittent assembly (4), and the inner wall of the feeding hopper (2) is fixedly connected with a baffle (52) above the pressure roller (51). The rotating shaft (21) and the connecting rod (43) are synchronously rotated through a transmission mechanism (6).

6. A grassland seed screening apparatus according to claim 5, wherein: A pressing plate (53) is further included. One end of the pressing plate (53) is fixedly connected with a guide rod (54), and the other end thereof is downwardly bent and oppositely arranged with the pressure roller (51). The pressing plate (53) is extended to form an extended portion (531) close to one side of the guide rod (54), and the extended portion (531) penetrates the feeding hopper (2).

7. A grassland seed screening apparatus according to claim 6, wherein: The guide rod (54) is slidably connected with the feeding hopper (2) through a sliding groove (22) at both sides of the bottom of the feeding hopper (2). The end of the guide rod (54) is provided with a plugging member (55) and is threadedly connected with a fastener (56). The fastener (56) is abutted against the feeding hopper (2) through the plugging member (55). The middle of the plugging member (55) is slidably connected with the guide rod (54), and the plugging member (55) is used for plugging the sliding groove (22).

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