Breeding screening machine

Abstract

The utility model relates to the technical field of screening machines, in particular to a breeding screening machine which comprises a screening box, a top cover is arranged at the top of the screening box, an air blowing assembly is arranged on the left side of the screening box close to the top, and an impurity collecting box is arranged on the right side of the screening box close to the top. A drawer is arranged on the front end face, close to the bottom, of the screening box. The top of the left side face in the impurity collecting box communicates with the interior of the screening box. According to the breeding screening machine, by arranging an air blower, air blowing cooperation is conducted on a guide plate on the screening box, air blowing cooperation is conducted on seeds passing through the guide plate under the cooperation of ventilation holes, under the gravity effect, weed chippings and dust particles enter an impurity collecting box, the seeds fall into a vibration screening box, and under the cooperation of a motor, the seeds are screened out through the vibration screening box. The rotary table is matched with the hinge rod, so that the vibrating screen box shakes up and down, seeds are screened under the matching of the screen plate with screen holes, and finally the screened seeds are collected under the matching of the drawer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening machine, concretely to a breeding screening machine. BACKGROUND

[0002] When breeding, in order to guarantee the germination rate and survival rate of seeds, the seeds need to be screened to remove impurities and bad seeds, so as to guarantee the fullness of screened seeds, guarantee the quality of seeds and further improve the germination rate and survival rate of seeds in the breeding link.

[0003] The utility model discloses a kind of agricultural breeding screening machines with the announcement number CN219648095U, including support frame, two support rods are slidably connected in the support frame, a plurality of adjusting rods are equipped between the support rods, two The support rod side is all provided with outer connecting groove, a plurality of The adjusting rod is all provided with inner limiting slot, the outer connecting groove and inner connecting groove are slidably equipped with a plurality of connecting blocks, wherein two The connecting block side is provided with outer adjusting groove, the rest a plurality of The connecting block both sides are provided with inner adjusting groove;

[0004] The above technical scheme, by connecting block and slider component can be adjusted between the spacing of support rod and adjusting rod, so that the device can be effectively adjusted according to the seed requirements required by different types of seeds, so that the device can be widely used, and the agricultural planting personnel can avoid using different types of screening machines when screening seeds, which is high in use cost. But screening cannot quickly clean the dust and grass clippings mixed with seeds, and it is not convenient to screen different sizes of seeds, and the screening plate is not convenient to replace and cooperate according to different crop seeds. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of breeding screening machine to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A breeding screening machine comprises a screening box, a top cover is provided on the top of the screening box, a blowing assembly is provided on the left side of the screening box near the top, an impurity collection box is provided on the right side of the screening box near the top, a guide plate and a vibration screening box are provided in sequence from top to bottom inside the screening box, a drawer is provided on the front end surface of the screening box near the bottom, the top position of the left side of the impurity collection box is connected to the inside of the screening box, a slot is provided on the front end surface of the impurity collection box near the bottom, a storage box is provided in the slot, a gauze is provided on the right end surface of the impurity collection box, and the guide plate and the blowing assembly are connected. Corresponding to the air outlet, a baffle is provided at the bottom of the guide plate, and a number of ventilation holes are provided on the guide plate. An opening is provided on the front end surface of the screening box corresponding to the vibration screen box, and a side door that can be opened and closed is provided in the opening. An annular groove is provided in the middle of the vibration screen box, and a sieve plate is provided in the annular groove, and a number of sieve holes are provided on the sieve plate. A turntable rotatably connected to the screening box is symmetrically provided below the vibration screen box, and a hinge seat is symmetrically provided at the bottom of the vibration screen box, and a hinge rod is provided on the hinge seat. A motor is provided on the rear end surface of the screening box, and the output shaft of the motor is coaxially connected to the rotating shaft of the turntable.

[0008] Furthermore, the width of the outer wall of the top cover is adapted to the width of the outer wall of the screening box, and a limiting ring is provided on the lower surface of the top cover, and the width of the outer wall of the limiting ring is adapted to the width of the inner wall of the screening box.

[0009] In the utility model, the top cover is matched with a limiting ring, and the limiting ring is bonded and fixed to the top cover, which helps the top cover to be quickly plugged into the screening box.

[0010] Specifically, a feed hopper is provided on the top of the top cover near the left side, and the feed hopper is bonded and fixed to the top cover.

[0011] In the utility model, the provision of a feed hopper helps to centrally feed seeds that need to be screened from the outside into the interior from the left side of the top cover.

[0012] Secondly, the blowing assembly includes a blower and a protective net installed at the air inlet of the blower, and the blower is fixedly connected to the screening box by screws.

[0013] In the utility model, the blower is connected to an external power source and continuously blows air into the screening box. With the cooperation of the protective net, the air entering the blower is intercepted and filtered, reducing the entry of dust, impurities and particulate matter, and reducing the impact on seed screening.

[0014] It should be noted that the width of the outer wall of the impurity collection box is adapted to the width of the outer wall of the screening box, the gauze is fixed to the impurity collection box by screws, the width of the inner wall of the slot is adapted to the width of the outer wall of the storage box, and a handle is provided on the front end surface of the storage box.

[0015] In the utility model, the cooperation of the gauze helps to ventilate the interior of the impurity collection box and the screening box, while reducing the impact of weed debris and dust on the surrounding environment when screening seeds. The cooperation of the storage box helps to collect weed debris and dust particles. The cooperation of the pull handle helps to push and pull the storage box out.

[0016] Furthermore, the width of the inner wall of the opening is adapted to the width of the outer wall of the side door, a second observation window is provided in the middle of the side door, the left side of the side door is rotatably connected to the screening box through a hinge, a latch is symmetrically provided on the end of the side door away from the hinge, a hook is provided on the outer wall of the screening box at a position corresponding to the latch, and a handle is provided on the end of the outer wall of the side door away from the hinge.

[0017] In the utility model, the second observation window is made of tempered glass, which helps outsiders to observe the internal conditions in real time. The side door is easy to open manually with the help of the hinge, and the latch and hook are used to install and fix the side door. The side door can be opened or closed with the help of the handle.

[0018] Specifically, support columns are provided near the corners on the lower surface of the screening box, the tops of the support columns are bonded and fixed to the bottom of the screening box, a through groove is provided on the front end surface of the screening box near the bottom, the drawer is plugged into the through groove, and a protrusion is provided on the front end surface of the drawer.

[0019] In the utility model, the cooperation of the support column helps to make the screening box independent as a whole, and the cooperation of the through groove enables the drawer to be quickly installed. The convex block provides a fulcrum to facilitate the opening or installation of the drawer.

[0020] Among them, a first observation window is also provided on the front surface of the screening box near the bottom, and the first observation window is made of tempered glass, which helps outsiders observe the storage status of the internal drawers.

[0021] It is worth adding that the width of the outer wall of the vibrating screen box is adapted to the width of the inner wall of the screening box, the width of the inner wall of the annular groove is adapted to the width of the outer wall of the screen plate, and the outer wall of the screen plate is provided with perforations near the four corners, and the perforations are provided with fixing bolts, and screw holes are provided in the annular groove at the corresponding positions of the perforations.

[0022] In the utility model, the sieve plate is plugged into the annular groove and is threadedly connected to the screw hole through the fixing bolt through the through hole, so that the sieve plate and the vibration screening box can be quickly installed. When seeds of different sizes need to be screened, the sieve holes of different sizes are replaced and the corresponding screening and matching are quickly carried out.

[0023] Furthermore, sliding rods are provided at the bottom of the vibration screen box near the four corners, and fixed blocks are provided on the inner wall of the screening box corresponding to the sliding rods. Sliding holes are opened on the fixed blocks, and the sliding rods are slidably connected to the sliding holes.

[0024] In the utility model, the slide rod cooperates with the slide hole on the fixed block to realize the stable up and down movement of the vibrating screen box in the screening box.

[0025] In addition, the turntable is rotatably connected to the screening box via a rotating shaft, convex shafts are provided on opposite sides of the turntable, the rotating shafts are connected by connecting rods, the hinge seat is welded and fixed to the vibration screening box, one end of the hinge rod is rotatably connected to the hinge seat, and the other end of the hinge rod is rotatably connected to the convex shaft.

[0026] In the utility model, the turntable can be flexibly rotated on the screening box with the cooperation of the cam shaft. When the motor is connected to the external power supply and the control switch is started, the output shaft rotates to drive the turntable to rotate. Through the cooperation of the hinged rod and the hinged seat, the vibration screening box is driven to shake up and down continuously, thereby realizing the up and down fluctuation screening of seeds.

[0027] Compared with the prior art, the beneficial effects of the present invention are:

[0028] 1. The utility model realizes the cooperation of blowing air to the guide plate on the screening box by arranging a blower, and blows air to the seeds passing on the guide plate with the cooperation of the ventilation holes. Under the action of gravity, weed debris and dust particles enter the impurity collection box, and the seeds fall into the vibration screening box. With the cooperation of the motor, the turntable and the hinged rod are cooperated to realize the up and down shaking of the vibration screening box. With the cooperation of the sieve plate with sieve holes, the seeds are screened. Finally, with the cooperation of the drawer, the screened seeds are collected.

[0029] 2. The utility model sets a first observation window to observe the seed collection status in the drawer in real time. With the cooperation of the side door, the latch and the hook cooperate to fix the position of the side door. The side door is opened to facilitate the removal and replacement of the sieve plate in the vibration sieve box. With the cooperation of the second observation window, it is convenient to observe the internal vibration sieve box status in real time. With the cooperation of the gauze net, it is convenient for ventilation and helps to intercept weed debris and dust particles. The setting of the protective net filters the air entering the blower. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 It is a schematic rear view of the entirety of the present invention;

[0032] Figure 3 This is a schematic diagram of the combined structure of the guide plate and the screening box of the present utility model;

[0033] Figure 4 This is a schematic diagram of the top cover structure of the present utility model;

[0034] Figure 5This is a schematic diagram of the combined structure of the screening box and drawer of the present utility model;

[0035] Figure 6 This is a schematic diagram of the screening box frame structure of the present utility model;

[0036] Figure 7 This is a schematic diagram of the structure of the vibrating screen box of the present utility model;

[0037] Figure 8 This is a schematic diagram of the structure of the vibrating screen box and the motor combination of the present invention;

[0038] Figure 9 This is a schematic structural diagram of the blowing assembly of the present utility model;

[0039] Figure 10 It is a schematic diagram of the overall cross-sectional structure of the present utility model.

[0040] The meaning of each number in the figure is:

[0041] 1. Screening box; 10. Guide plate; 100. Baffle; 101. Ventilation hole; 11. Opening; 12. First observation window; 13. Side door; 130. Handle; 131. Second observation window; 132. Snap lock; 14. Hook; 15. Support column; 16. Fixing block; 160. Slide hole; 17. Through slot;

[0042] 2. Blowing assembly; 20. Blower; 21. Protective net;

[0043] 3. Impurity collection box; 30. Slot; 31. Screen; 32. Storage box; 320. Handle;

[0044] 4. Top cover; 40. Limiting ring; 41. Feed hopper; 410. Arc plate;

[0045] 5. Drawer; 50. Bump;

[0046] 6. Vibrating screen box; 60. Annular groove; 600. Screw hole; 601. Articulated seat; 602. Articulated rod; 61. Sliding rod; 62. Screen plate; 620. Screen hole; 621. Perforation; 622. Fixing bolt; 63. Motor; 64. Turntable; 640. Cam shaft; 641. Connecting rod. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] See also Figures 1-10 , this embodiment provides a technical solution:

[0049] A breeding screening machine includes a screening box 1. A top cover 4 is provided on the top of the screening box 1. The width of the outer wall of the top cover 4 is adapted to the width of the outer wall of the screening box 1. A limiting ring 40 is provided on the lower surface of the top cover 4. The width of the outer wall of the limiting ring 40 is adapted to the width of the inner wall of the screening box 1.

[0050] In the present invention, the top cover 4 is fitted with a limiting ring 40, and the limiting ring 40 is bonded and fixed to the top cover 4, which helps the top cover 4 to quickly plug and match with the screening box 1.

[0051] Furthermore, a feed hopper 41 is provided on the top of the top cover 4 near the left side, and the feed hopper 41 is bonded and fixed to the top cover 4 .

[0052] In the present invention, the provision of a feed hopper 41 helps to concentrate seeds that need to be screened from the outside and feed them into the interior from the left side of the top cover 4.

[0053] Secondly, curved plates 410 are provided on both sides of the top cover 4. The curved plates 410 and the top cover 4 are an integrally formed structure. With the cooperation of the curved plates 410, a fulcrum is provided, thereby facilitating the opening or installation of the top cover 4.

[0054] Specifically, a blowing assembly 2 is provided on the left side of the screening box 1 near the top. The blowing assembly 2 includes a blower 20 and a protective net 21 installed at the air inlet of the blower 20. The blower 20 is fixedly connected to the screening box 1 by screws.

[0055] In the present invention, the blower 20 is connected to an external power source and continuously blows air into the screening box 1. With the cooperation of the protective net 21, the air entering the blower 20 is intercepted and filtered, reducing the entry of dust, impurities and particulate matter, and reducing the impact on seed screening.

[0056] It should be noted that an impurity collection box 3 is provided near the top on the right side of the screening box 1, and the top position of the left side of the interior of the impurity collection box 3 is connected with the interior of the screening box 1. A slot 30 is provided near the bottom of the front end face of the impurity collection box 3, and a storage box 32 is provided in the slot 30. A gauze 31 is provided on the right end face of the impurity collection box 3. The width of the outer wall of the impurity collection box 3 is adapted to the width of the outer wall of the screening box 1. The gauze 31 is fixed to the impurity collection box 3 by screws. The width of the inner wall of the slot 30 is adapted to the width of the outer wall of the storage box 32, and a handle 320 is provided on the front end face of the storage box 32.

[0057] In the present invention, the cooperation of the gauze 31 helps to ventilate the interior of the impurity collection box 3 and the screening box 1, while reducing the impact of weed debris and dust on the surrounding environment when screening seeds. The cooperation of the storage box 32 helps to collect weed debris and dust particles. The cooperation of the pull handle 320 helps to push and pull the storage box 32 out.

[0058] Furthermore, the interior of the screening box 1 is provided with a guide plate 10 and a vibrating screen box 6 in sequence from top to bottom, and a drawer 5 is provided on the front surface of the screening box 1 near the bottom;

[0059] It is worth adding that the guide plate 10 corresponds to the air outlet of the blowing assembly 2, a baffle 100 is provided at the bottom of the guide plate 10, and a number of ventilation holes 101 are provided on the guide plate 10. An opening 11 is provided on the front end surface of the screening box 1 corresponding to the vibration box 6, and a side door 13 that can be opened and closed is provided in the opening 11. The width of the inner wall of the opening 11 is adapted to the width of the outer wall of the side door 13. A second observation window 131 is provided in the middle of the side door 13. The left side of the side door 13 is rotatably connected to the screening box 1 through a hinge, and a latch 132 is symmetrically provided on the end of the side door 13 away from the hinge, and a hook 14 is provided on the outer wall of the screening box 1 corresponding to the latch 132, and a handle 130 is provided on the outer wall of the side door 13 away from the hinge.

[0060] In the present invention, the second observation window 131 is made of tempered glass, which helps outsiders observe the internal conditions in real time. The side door 13 is easy to open manually with the help of the hinge. The latch 132 is connected with the hook 14 to realize the installation and fixation of the side door 13. With the help of the handle 130, the side door 13 can be opened or closed.

[0061] Furthermore, an annular groove 60 is provided in the middle of the vibration screen box 6, a sieve plate 62 is provided in the annular groove 60, and a plurality of sieve holes 620 are provided on the sieve plate 62. A turntable 64 rotatably connected to the screening box 1 is symmetrically provided below the vibration screen box 6, and a hinge seat 601 is symmetrically provided at the bottom of the vibration screen box 6. A hinge rod 602 is provided on each of the hinge seats 601. A motor 63 is provided on the rear end face of the screening box 1, and the output shaft of the motor 63 is coaxially connected to the rotating shaft of the turntable 64.

[0062] Specifically, the width of the outer wall of the vibrating box 6 is adapted to the width of the inner wall of the screening box 1, the width of the inner wall of the annular groove 60 is adapted to the width of the outer wall of the sieve plate 62, and the outer wall of the sieve plate 62 is provided with through holes 621 near the four corners, and the through holes 621 are provided with fixing bolts 622, and screw holes 600 are provided in the annular groove 60 corresponding to the through holes 621.

[0063] In the present invention, the sieve plate 62 is plugged into the annular groove 60, and is threadedly connected to the screw hole 600 through the fixing bolt 622 through the through-hole 621, so that the sieve plate 62 and the vibration screening box 6 can be quickly installed. When it is necessary to screen seeds of different sizes, the sieve plate 62 with different sieve holes 620) can be replaced and the corresponding screening and combination can be quickly performed.

[0064] Secondly, slide rods 61 are provided near the four corners at the bottom of the vibrating box 6, and fixed blocks 16 are provided on the inner wall of the screening box 1 corresponding to the slide rods 61. Slide holes 160 are opened on the fixed blocks 16, and the slide rods 61 are slidably connected to the slide holes 160.

[0065] In the present invention, the slide rod 61 cooperates with the slide hole 160 on the fixed block 16 to achieve stable up and down movement of the vibration screening box 6 in the screening box 1.

[0066] Furthermore, the turntable 64 is rotatably connected to the screening box 1 through a rotating shaft. The opposite surfaces of the turntable 64 are provided with convex shafts 640, and the convex shafts 640 are connected by connecting rods 641. The hinge seat 601 is welded and fixed to the vibration screening box 6, and one end of the hinge rod 602 is rotatably connected to the hinge seat 601, and the other end of the hinge rod 602 is rotatably connected to the convex shaft 640.

[0067] In the present utility model, the turntable 64 can rotate flexibly on the screening box 1 with the cooperation of the convex shaft 640, the motor 63 is connected to the external power supply, the control switch is started, the output shaft rotates to drive the turntable 64 to rotate, and through the cooperation of the hinged rod 602 and the hinged seat 601, the vibration screening box 6 is driven to shake up and down continuously, thereby realizing the up and down fluctuation screening of seeds.

[0068] Among them, a first observation window 12 is further provided on the front end surface of the screening box 1 near the bottom, and the first observation window 12 is made of tempered glass, which helps outsiders observe the storage status of the internal drawer 5.

[0069] In addition, support columns 15 are provided near the corners on the lower surface of the screening box 1. The tops of the support columns 15 are bonded and fixed to the bottom of the screening box 1. A through groove 17 is provided on the front end surface of the screening box 1 near the bottom. The drawer 5 is plugged into the through groove 17, and a protrusion 50 is provided on the front end surface of the drawer 5.

[0070] In the present invention, the support column 15 helps the screening box 1 to be independent as a whole, and the through groove 17 helps the drawer 5 to be quickly installed. The protrusion 50 provides a fulcrum to facilitate the opening or installation of the drawer 5.

[0071] When the breeding screening machine of this embodiment is in use, the user first connects the guide plate 10 with the ventilation holes 101 and the baffle 100 with the screening box 1, and then connects the blower 20 with the protective net 21 with the screening box 1, and the air outlet end of the blower 20 corresponds to the guide plate 10, and then fixes the impurity collection box 3 with the gauze 31 on the screening box 1, and the storage box 32 with the pull handle 320 is plugged into the slot 30, and the vibration screening box 6 is plugged into the fixed block 16 inside the screening box 1 through the sliding rod 61, and then the turntable 64 with the cam 640 is rotatably connected to the screening box 1 through the rotating shaft, and the two ends of the hinged rod 602 are rotatably connected to the corresponding hinged seat 601 and the cam 640, and finally the connecting rod 641 connects the two cams 640, and then the top cover 4 with the feed hopper 41 is plugged into the screening box 1 through the limiting ring 40;

[0072] When seed screening is required, the blower 20 and the motor 63 are connected to the external power supply respectively, the control switch is started, and then the seeds to be screened are added into the feed hopper 41 in turn. With the cooperation of the guide plate 10, the seeds fall in turn. The seeds are mixed with weed debris and dust. With the cooperation of the blower 20, they are blown into the impurity collection box 3 and collected by the storage box 32. The fallen seeds enter the vibration screening box 6 again. With the cooperation of the turntable 64 and the hinged rod 602, the output shaft of the motor 63 rotates to achieve the up and down shaking of the vibration screening box 6, thereby achieving seed screening. When screening seeds of different sizes, it is necessary to replace the sieve plate 62. When the sieve hole 620 corresponding to the seed size is selected, the latch 132 is separated from the hook 14, the side door 13 is opened, and the fixing bolt 622 is manually removed to achieve quick removal and replacement of the sieve plate 62. The drawer 5 collects the screened seeds, which is conducive to centralized processing. The overall combination is easy to install and convenient for screening seeds of different sizes.

Claims

1. A breeding screening machine, comprising a screening box (1), wherein a top cover (4) is provided on the top of the screening box (1), a blowing assembly (2) is provided on the left side of the screening box (1) near the top, an impurity collecting box (3) is provided on the right side of the screening box (1) near the top, a guide plate (10) and a vibrating screen box (6) are provided in sequence from top to bottom inside the screening box (1), and a drawer (5) is provided on the front surface of the screening box (1) near the bottom, characterized in that: The top position of the left side of the interior of the impurity collection box (3) is connected to the interior of the screening box (1), a slot (30) is provided on the front end surface of the impurity collection box (3) near the bottom, a storage box (32) is provided in the slot (30), a gauze (31) is provided on the right end surface of the impurity collection box (3), the guide plate (10) corresponds to the air outlet of the blowing component (2), a baffle (100) is provided at the bottom of the guide plate (10), a plurality of ventilation holes (101) are provided on the guide plate (10), an opening (11) is provided on the front end surface of the screening box (1) corresponding to the vibration screen box (6), the opening (11) is provided on the front end surface of the screening box (1), and the opening (11) is provided on the front end surface of the screening box (1). An openable and closable side door (13) is provided in the opening (11), an annular groove (60) is provided in the middle of the vibration screen box (6), a sieve plate (62) is provided in the annular groove (60), and a plurality of sieve holes (620) are provided on the sieve plate (62), a turntable (64) rotatably connected to the screening box (1) is symmetrically provided below the vibration screen box (6), a hinge seat (601) is symmetrically provided at the bottom of the vibration screen box (6), and a hinge rod (602) is provided on each of the hinge seats (601), and a motor (63) is provided on the rear end surface of the screening box (1), and the output shaft of the motor (63) is coaxially connected to the rotating shaft of the turntable (64).

2. The breeding screening machine according to claim 1, characterized in that: The width of the outer wall of the top cover (4) is adapted to the width of the outer wall of the screening box (1); a limiting ring (40) is provided on the lower surface of the top cover (4); and the width of the outer wall of the limiting ring (40) is adapted to the width of the inner wall of the screening box (1).

3. The breeding screening machine according to claim 2, characterized in that: A feed hopper (41) is provided on the top of the top cover (4) near the left side, and the feed hopper (41) is bonded and fixed to the top cover (4).

4. The breeding screening machine according to claim 1, characterized in that: The blowing assembly (2) comprises a blower (20) and a protective net (21) installed at the air inlet of the blower (20), and the blower (20) is fixedly connected to the screening box (1) via screws.

5. The breeding screening machine according to claim 1, characterized in that: The width of the outer wall of the impurity collection box (3) is adapted to the width of the outer wall of the screening box (1); the gauze (31) is fixedly connected to the impurity collection box (3) by screws; the width of the inner wall of the slot (30) is adapted to the width of the outer wall of the storage box (32); and a handle (320) is provided on the front end surface of the storage box (32).

6. The breeding screening machine according to claim 1, characterized in that: The width of the inner wall of the opening (11) is adapted to the width of the outer wall of the side door (13). A second observation window (131) is provided in the middle of the side door (13). The left side of the side door (13) is rotatably connected to the screening box (1) via a hinge. A latch (132) is symmetrically provided on the end of the side door (13) away from the hinge. A hook (14) is provided on the outer wall of the screening box (1) at a position corresponding to the latch (132). A handle (130) is provided on the end of the outer wall of the side door (13) away from the hinge.

7. The breeding screening machine according to claim 1, characterized in that: The lower surface of the screening box (1) is provided with support columns (15) near the corners, and the tops of the support columns (15) are bonded and fixed to the bottom of the screening box (1). A through groove (17) is provided on the front end surface of the screening box (1) near the bottom, and the drawer (5) is plugged into the through groove (17). A protrusion (50) is provided on the front end surface of the drawer (5).

8. The breeding screening machine according to claim 1, characterized in that: The width of the outer wall of the vibration screen box (6) is adapted to the width of the inner wall of the screening box (1), the width of the inner wall of the annular groove (60) is adapted to the width of the outer wall of the screen plate (62), and the outer wall of the screen plate (62) is provided with perforations (621) near the four corners, and the perforations (621) are provided with fixing bolts (622), and the annular groove (60) is provided with screw holes (600) at positions corresponding to the perforations (621), and the bottom of the vibration screen box (6) is provided with sliding rods (61) near the four corners, and the inner wall of the screening box (1) is provided with fixing blocks (16), and the fixing blocks (16) are provided with sliding holes (160), and the sliding rods (61) are slidably connected to the sliding holes (160).

9. The breeding screening machine according to claim 8, characterized in that: The turntable (64) is rotatably connected to the screening box (1) via a rotating shaft. The turntable (64) is provided with convex shafts (640) on opposite sides thereof. The convex shafts (640) are connected to each other via a connecting rod (641). The hinge seat (601) is welded and fixed to the vibrating screen box (6). One end of the hinge rod (602) is rotatably connected to the hinge seat (601), and the other end of the hinge rod (602) is rotatably connected to the convex shaft (640).

Images