Drum-type grass seed continuous screening machine

Abstract

The utility model relates to the technical field of animal husbandry, and discloses a drum-type grass seed continuous screening machine which comprises a machine frame and two sets of rotating frames, the rotating frames are installed on the top face of the machine frame, each rotating frame comprises two supports, a rotating shaft and a rotating roller, the two supports are rotatably connected with the same rotating shaft, and the rotating rollers are installed on the rotating shafts. According to the grass seed screening device, the screening assembly is arranged, impurities with the large size are driven by the first material guide plate to be discharged from the discharging barrel along with rotation of the first screening barrel, impurities with the size smaller than that of grass seeds fall into the first discharging groove under the second screening barrel, and the impurities with the size smaller than that of the grass seeds fall into the second discharging groove under the second screening barrel. The forage grass seeds fall into a first discharging groove under the third screening cylinder, impurities with the size larger than that of the forage grass seeds are discharged from the other connecting cylinder and fall into a second discharging groove, and therefore the screening accuracy is improved, and other impurities mixed in the forage grass seeds are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of animal husbandry technology more particularly to a kind of continuous screening machine of drum-type pasture seed. BACKGROUND

[0002] Pasture it generally refers to the grass or other herbaceous plants used for feeding livestock. Broadly speaking, pasture includes green forage and crops. The best conditions for pasture are to have vigorous growth, tender grass quality, high yield per unit area, strong regenerative capacity, multiple harvests within a year, good palatability for livestock, rich in high-quality protein, and the necessary amount of phosphorus and calcium for long bones, as well as abundant vitamins, etc. Therefore, it becomes the first choice for raising livestock. After the harvesting of pasture, a pasture seed screening machine is needed to separate the seeds from the impurities such as straw and stones.

[0003] The existing screening of pasture seeds is to pile them on a sieve tray with sieve holes, and then start the equipment to shake the sieve tray. The pasture seeds that match the size of the sieve holes fall down to remove larger impurities. This method can only screen impurities larger than the diameter of the sieve holes, and cannot screen impurities smaller than the pasture seeds. It can only screen two types, with poor screening effect and low efficiency. Therefore, we propose a continuous screening machine for drum-type pasture seeds. SUMMARY

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a continuous screening machine for drum-type pasture seeds to solve the problem that the existing screening machine can only screen impurities larger than the diameter of the sieve holes and cannot screen impurities smaller than the pasture seeds.

[0005] The utility model provides the following technical scheme:

[0006] A continuous screening machine for drum-type pasture seeds includes a frame and a rotating frame. The number of rotating frames is two. The rotating frame is installed on the top surface of the frame. The rotating frame includes a bracket, a shaft, and a rotating roller. The number of brackets is two. The same shaft is rotatably connected to the two brackets. The number of rotating rollers is two. The rotating roller is rotatably connected to the corresponding bracket. The two rotating rollers are fixedly connected to the side of the shaft. The same screening assembly for screening pasture seeds is installed on the two rotating frames. A drive assembly is installed on the frame. The drive assembly is connected to the rotating frame to drive the screening assembly to rotate. A feeding assembly for feeding is provided on one side of the screening assembly. An outlet assembly for discharging screened pasture seeds and impurities is provided below the screening assembly.

[0007] Further, the screening assembly includes a first screening cylinder, a feeding cylinder, a discharging cylinder, a second screening cylinder and a third screening cylinder, the first screening cylinder is located above the frame, one end of the first screening cylinder close to the feeding assembly is fixedly connected with the feeding cylinder, the other end of the first screening cylinder is fixedly connected with the discharging cylinder, the second screening cylinder and the third screening cylinder are both sleeved on the circumferential side of the first screening cylinder, the second screening cylinder is fixedly connected with the third screening cylinder, two connecting cylinders are arranged above the frame, one end of the connecting cylinder close to the feeding assembly is fixedly connected with one end of the second screening cylinder, and one end of the connecting cylinder close to the discharging assembly is fixedly connected with one end of the third screening cylinder, the inner wall of the connecting cylinder is fixedly connected with a connecting rod, the connecting rod close to the feeding assembly is fixedly connected with the circumferential side of the feeding cylinder, and the connecting rod close to the discharging assembly is fixedly connected with the circumferential side of the discharging cylinder, the inner wall of the first screening cylinder is fixedly connected with a first guide plate, the second screening cylinder and the third screening cylinder are fixedly connected with a same second guide plate, and rotating grooves are formed in the circumferential side of the connecting cylinder and abut against the circumferential side of the corresponding rotating roller.

[0008] Further, the driving assembly includes a driving motor, a belt pulley and a belt strip, the driving motor is fixedly installed on the top surface of the frame, the number of the belt pulleys is two, the two belt pulleys are fixedly installed on two rotating shafts respectively, the same belt strip is installed on the two belt pulleys, and one end of the rotating shaft close to the driving motor is fixedly connected with the output shaft of the driving motor.

[0009] Further, the feeding assembly includes a feeding hopper and a feeding pipe, the feeding hopper is located on one side of the frame and above the screening assembly, the feeding hopper is in communication with the feeding pipe, one end of the feeding pipe is fixedly connected with the feeding hopper, and the other end of the feeding pipe extends into the feeding cylinder.

[0010] Further, the discharging assembly includes two first discharging grooves and two baffle plates, the two first discharging grooves are fixedly connected with the frame and are rotationally symmetrically arranged, the two baffle plates are rotationally symmetrically arranged and are fixedly connected with the corresponding first discharging grooves, the two first discharging grooves are located below the second screening cylinder and the third screening cylinder respectively, a second discharging groove is arranged on the side, away from the feeding assembly, of the frame, first and second accommodation grooves are arranged on the side wall of the second discharging groove, the radius of the first accommodation groove is greater than that of the discharging cylinder, and the radius of the second accommodation groove is greater than that of the connecting cylinder.

[0011] Further, the inner wall of the rotating groove is a rough surface, and the circumferential side of the rotating roller is a rough surface.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1.The utility model discloses a screening assembly is set up, with the rotation of first screening cylinder is driven from the discharge cylinder place with the first guide plate and is discharged with the impurity of relatively big volume, and the impurity of volume is less than the forage grass seed falls in the first discharge groove under the second screening cylinder, and the forage grass seed falls into the first discharge groove under the third screening cylinder, and the impurity of volume is greater than the forage grass seed and is discharged from another connecting cylinder and falls into the second discharge groove, thereby improving the accuracy of screening, and reducing other impurities mixed in the forage grass seed.

[0014] 2.The utility model discloses a drive assembly and rotating frame are set up, with the output shaft of drive motor drives corresponding shaft rotation, and drives corresponding pulley rotation, and the pulley rotation drives the rotation of belt strip, and the rotation of belt strip drives another pulley rotation, thereby drive another shaft rotation, and the rotation of two shafts to the same direction facilitates the rotation of roller and drives screening assembly rotation. ACCURACY

[0015] Figure 1 For the overall structure of the utility model Figure 1 ;

[0016] Figure 2 For the overall structure of the utility model Figure 2 ;

[0017] Figure 3 For the utility model rack area structure diagram;

[0018] Figure 4 For the screening assembly area cross section structure of the utility model Figure 1 ;

[0019] Figure 5 For the screening assembly area cross section structure of the utility model Figure 2 ;

[0020] Figure 6 For the second discharge groove structure diagram of the utility model;

[0021] Figure 7 For the first discharge groove structure diagram of the utility model;

[0022] Figure 8 For the utility model feed hopper area structure diagram.

[0023] The reference signs are: 1, frame; 2, support; 3, rotating shaft; 4, rotating roller; 5, feeding hopper; 6, feeding pipe; 7, driving motor; 8, belt pulley; 9, belt strip; 10, first screening cylinder; 11, feeding cylinder; 12, discharging cylinder; 13, second screening cylinder; 14, third screening cylinder; 15, connecting cylinder; 16, rotating groove; 17, connecting rod; 18, first guide plate; 19, second guide plate; 20, first discharging groove; 21, baffle plate; 22, second discharging groove; 23, first accommodation groove; 24, second accommodation groove. DETAILED DESCRIPTION

[0024] The utility model will be further explained below in combination with specific embodiments, however, people skilled in the art should understand that the detailed description given in combination with the drawings is for better explanation, and the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be described in the text, but still belongs to the protection scope of the application.

[0025] Figure 1 Figure 8 The utility model is the best embodiment, and the following will be further explained in combination with the drawings Figure 1 Figure 8 The utility model will be further explained below in combination with specific embodiments, however, people skilled in the art should understand that the detailed description given in combination with the drawings is for better explanation, and the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be described in the text, but still belongs to the protection scope of the application.

[0026] The utility model will be further explained below in combination with specific embodiments, however, people skilled in the art should understand that the detailed description given in combination with the drawings is for better explanation, and the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be described in the text, but still belongs to the protection scope of the application. Figure 1 Figure 8 A drum-type continuous pasture seed screening machine, comprising a frame 1 and a rotating frame, the number of rotating frames is two groups, the rotating frame is installed on the top surface of the frame 1, the rotating frame comprises a support 2, a rotating shaft 3 and a rotating roller 4, the number of supports 2 is two, the same rotating shaft 3 is rotatably connected to the two supports 2, the number of rotating rollers 4 is two, the rotating roller 4 is rotatably connected to the corresponding support 2, the two rotating rollers 4 are fixedly connected to the circumferential side of the rotating shaft 3, the same screening assembly for screening pasture seeds is installed on the two groups of rotating frames, a driving assembly is installed on the frame 1, the driving assembly is connected with the rotating frame to drive the screening assembly to rotate through the rotating frame, a feeding assembly for feeding is arranged on one side of the screening assembly, and a discharging assembly for discharging screened pasture seeds and impurities is arranged below the screening assembly.

[0027] In the embodiment, the feeding assembly is communicated with the screening assembly, so that the mixture of impurities and pasture seeds enters the screening assembly for screening.

[0028] ​​​Specifically, the screening assembly includes a first screening cylinder 10, a feeding cylinder 11, a discharging cylinder 12, a second screening cylinder 13, and a third screening cylinder 14. The first screening cylinder 10 is located above the frame 1. One end of the first screening cylinder 10 close to the feeding assembly is fixedly connected with the feeding cylinder 11. The other end of the first screening cylinder 10 is fixedly connected with the discharging cylinder 12. The second screening cylinder 13 and the third screening cylinder 14 are both sleeved on the circumferential side of the first screening cylinder 10. The second screening cylinder 13 is fixedly connected with the third screening cylinder 14. Two connecting cylinders 15 are arranged above the frame 1. One connecting cylinder 15 close to the feeding assembly is fixedly connected with one end of the second screening cylinder 13. The other connecting cylinder 15 close to the discharging assembly is fixedly connected with one end of the third screening cylinder 14. The inner walls of the two connecting cylinders 15 are both fixedly connected with a connecting rod 17. The connecting rod 17 close to the feeding assembly is fixedly connected with the circumferential side of the feeding cylinder 11. The connecting rod 17 close to the discharging assembly is fixedly connected with the circumferential side of the discharging cylinder 12. The inner wall of the first screening cylinder 10 is fixedly connected with a first guide plate 18. The second screening cylinder 13 and the third screening cylinder 14 are both fixedly connected with a same second guide plate 19. The circumferential side of the connecting cylinder 15 is provided with a rotating groove 16. The rotating groove 16 is in abutment with the circumferential side of the corresponding rotating roller 4.

[0029] In the embodiment, the length of the discharging cylinder 12 is greater than the length of the connecting cylinder 15, which facilitates the discharging cylinder 12 to discharge the impurities with a larger volume. The mesh diameter of the second screening cylinder 13 is smaller than the mesh diameter of the third screening cylinder 14. The mesh diameter of the third screening cylinder 14 is smaller than the mesh diameter of the first screening cylinder 10. The mesh diameter of the third screening cylinder 14 is the same as the diameter of the grass seeds. Therefore, the mixture of the grass seeds and the impurities can be screened into four categories according to the size by the first screening cylinder 10, the second screening cylinder 13, and the connecting cylinder 15, thereby improving the screening precision.

[0030] Specifically, the driving assembly includes a driving motor 7, a belt pulley 8, and a belt strip 9. The driving motor 7 is fixedly installed on the top surface of the frame 1. The number of the belt pulleys 8 is two. The two belt pulleys 8 are respectively fixedly installed on the two rotating shafts 3. The same belt strip 9 is installed on the two belt pulleys 8. The output shaft of the driving motor 7 is fixedly connected with one end of the rotating shaft 3 close to the driving motor 7.

[0031] In the embodiment, the output shaft of the driving motor 7 drives the corresponding rotating shaft 3 to rotate, and drives the corresponding belt pulley 8 to rotate. The rotation of the belt pulley 8 drives the belt strip 9 to rotate. The rotation of the belt strip 9 drives the other belt pulley 8 to rotate, thereby driving the other rotating shaft 3 to rotate. The rotation of the two rotating shafts 3 in the same direction facilitates the rotating roller 4 to drive the screening assembly to rotate.

[0032] Specifically, the feeding assembly comprises a feeding hopper 5 and a feeding pipe 6. The feeding hopper 5 is located on one side of the frame 1 and above the screening assembly. The feeding hopper 5 is in communication with the feeding pipe 6. One end of the feeding pipe 6 is fixedly connected with the feeding hopper 5, and the other end of the feeding pipe 6 extends into the feeding cylinder 11.

[0033] In the embodiment, the inner wall bottom surface of the feeding hopper 5 and the feeding pipe 6 are both inclined surfaces, and the inclined surfaces of the feeding hopper 5 and the feeding pipe 6 have the same slope, so that the mixture of the pasture seeds and impurities can enter the feeding cylinder 11 more quickly.

[0034] Specifically, the discharging assembly comprises two first discharging grooves 20 and two baffle plates 21. The two first discharging grooves 20 are fixedly connected with the frame 1 and are arranged in rotational symmetry. The two baffle plates 21 are arranged in rotational symmetry and are fixedly connected with the corresponding first discharging grooves 20. The two first discharging grooves 20 are respectively located below the second screening cylinder 13 and the third screening cylinder 14. The frame 1, away from the feeding assembly, is provided with a second discharging groove 22. The sidewall of the second discharging groove 22 is respectively provided with a first accommodation groove 23 and a second accommodation groove 24. The radius of the first accommodation groove 23 is greater than that of the discharging cylinder 12, and the radius of the second accommodation groove 24 is greater than that of the connecting cylinder 15.

[0035] In the embodiment, the impurities with a volume smaller than that of the pasture seeds fall into the first discharging groove 20 directly below the second screening cylinder 13, the pasture seeds fall into the first discharging groove 20 directly below the third screening cylinder 14, and the impurities with a volume greater than that of the pasture seeds are discharged from the other connecting cylinder 15 and fall into the second discharging groove 22.

[0036] Specifically, the inner wall of the rotating groove 16 is a rough surface, and the circumferential side of the rotating roller 4 is a rough surface.

[0037] In the embodiment, when the rotating roller 4 abuts against and rotates with the rotating groove 16, the friction is large, so that the rotating roller 4 can drive the connecting cylinder 15 to rotate through the rotating groove 16.

[0038] The working principle and use process of the utility model are as follows: when in use, personnel first start the driving motor 7, the output shaft of the driving motor 7 drives the corresponding rotating shaft 3 to rotate, and drives the corresponding belt pulley 8 to rotate, the belt pulley 8 drives the belt strip 9 to rotate, the belt strip 9 drives another belt pulley 8 to rotate, thereby driving another rotating shaft 3 to rotate, at this time, the two rotating shafts 3 rotate in the same direction and drive the rotating roller 4 to rotate, the rotating roller 4 rotates and rubs the rotating groove 16 to drive the corresponding connecting cylinder 15 to rotate, the connecting cylinder 15 drives the second screening cylinder 13 and the third screening cylinder 14 to rotate, the connecting cylinder 15 drives the feeding cylinder 11 and the discharging cylinder 12 to rotate through the connecting rod 17, thereby driving the first screening cylinder 10 to rotate, at this time, personnel add the mixture of impurities and pasture seed into the feeding hopper 5, the mixture enters the feeding cylinder 11 from the feeding pipe 6, and enters the first screening cylinder 10 from the feeding cylinder 11, along with the rotation of the first screening cylinder 10, the impurities with large volume are left in the first screening cylinder 10, the impurities with small volume and the pasture seed are filtered and fall into the second screening cylinder 13, the impurities with large volume are discharged from the discharging cylinder 12 along with the rotation of the first screening cylinder 10 and the driving of the first material guide plate 18, the second screening cylinder 13 rotates and filters the impurities with small volume than the pasture seed, so that the impurities fall into the first discharging groove 20 directly below and are discharged from the corresponding first discharging groove 20, the impurities with large volume than the pasture seed and the pasture seed are left in the second screening cylinder 13, and are left on the third screening cylinder 14 along with the rotation of the second screening cylinder 13 and the driving of the second material guide plate 19, the third screening cylinder 14 rotates and filters the pasture seed, so that the pasture seed falls into the first discharging groove 20 directly below the third screening cylinder 14 and is discharged from the corresponding first discharging groove 20, at this time, the impurities with large volume than the pasture seed are left on the third screening cylinder 14, and are discharged from another connecting cylinder 15 along with the rotation of the third screening cylinder 14 and the driving of the second material guide plate 19, fall into the second discharging groove 22 and are discharged from the second discharging groove 22, thereby improving the accuracy of screening and reducing other impurities mixed in the pasture seed.

[0039] The above is only the preferred embodiment of the utility model, and is not other forms of limitation to the utility model, any skilled person in the art can change or modify the above disclosed technology content into equivalent embodiment with equivalent change. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model without departing from the technical scheme content of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A drum-type pasture seed continuous screening machine comprising a frame (1) and a rotating frame, characterized in that: The number of the rotating frames is two groups, the rotating frame is installed on the top surface of the rack (1), the rotating frame includes a support (2), a rotating shaft (3) and a rotating roller (4), the number of the support (2) is two, the same rotating shaft (3) is rotatably connected to the two supports (2), the number of the rotating roller (4) is two, the rotating roller (4) is rotatably connected to the corresponding support (2), the two rotating rollers (4) are fixedly connected to the circumferential side of the rotating shaft (3), the same screening assembly for screening the pasture seeds is installed on the two groups of rotating frames, the driving assembly is installed on the rack (1), the driving assembly is connected with the rotating frame to drive the screening assembly to rotate through the rotating frame, the feeding assembly for feeding is arranged on one side of the screening assembly, and the discharging assembly for discharging the screened pasture seeds and impurities is arranged below the screening assembly.

2. A continuous roller-type pasture seed screening machine according to claim 1, characterised in that: The screening assembly includes a first screening cylinder (10), a feeding cylinder (11), a discharging cylinder (12), a second screening cylinder (13) and a third screening cylinder (14), the first screening cylinder (10) is located above the rack (1), one end of the first screening cylinder (10) close to the feeding assembly is fixedly connected with the feeding cylinder (11), the other end of the first screening cylinder (10) is fixedly connected with the discharging cylinder (12), the second screening cylinder (13) and the third screening cylinder (14) are both sleeved on the circumferential side of the first screening cylinder (10), the second screening cylinder (13) is fixedly connected with the third screening cylinder (14), two connecting cylinders (15) are arranged above the rack (1), one end of the connecting cylinder (15) close to the feeding assembly is fixedly connected with one end of the second screening cylinder (13), and one end of the connecting cylinder (15) close to the discharging assembly is fixedly connected with one end of the third screening cylinder (14), the inner wall of the connecting cylinder (15) is fixedly connected with a connecting rod (17), the connecting rod (17) close to the feeding assembly is fixedly connected with the circumferential side of the feeding cylinder (11), and the connecting rod (17) close to the discharging assembly is fixedly connected with the circumferential side of the discharging cylinder (12), the inner wall of the first screening cylinder (10) is fixedly connected with a first guide plate (18), the second screening cylinder (13) and the third screening cylinder (14) are fixedly connected with the same second guide plate (19), the circumferential side of the connecting cylinder (15) is provided with a rotating groove (16), and the rotating groove (16) is in abutment with the circumferential side of the corresponding rotating roller (4).

3. A continuous roller type forage seed screening machine according to claim 1, characterized in that: The driving assembly includes a driving motor (7), a belt pulley (8) and a belt strip (9), the driving motor (7) is fixedly installed on the top surface of the rack (1), the number of the belt pulley (8) is two, the two belt pulleys (8) are fixedly installed on the two rotating shafts (3) respectively, the same belt strip (9) is installed on the two belt pulleys (8), and the output shaft of the driving motor (7) is fixedly connected with one end of the rotating shaft (3) close to the driving motor (7).

4. A continuous roller-type pasture seed screening machine according to claim 2, characterised in that: The feeding assembly comprises a feeding hopper (5) and a feeding pipe (6), the feeding hopper (5) is located on one side of the frame (1), the feeding hopper (5) is located above the screening assembly, the feeding hopper (5) is communicated with the feeding pipe (6), one end of the feeding pipe (6) is fixedly connected with the feeding hopper (5), and the other end of the feeding pipe (6) extends into the feeding cylinder (11).

5. A continuous roller type forage seed screening machine according to claim 2, characterized in that: The discharging assembly comprises two first discharging grooves (20) and two baffle plates (21), the two first discharging grooves (20) are fixedly connected with the frame (1), the two first discharging grooves (20) are rotationally symmetrically arranged, the two baffle plates (21) are rotationally symmetrically arranged, the baffle plate (21) is fixedly connected with the corresponding first discharging groove (20), the two first discharging grooves (20) are located below the second screening cylinder (13) and the third screening cylinder (14) respectively, the frame (1) is provided with a second discharging groove (22) away from the feeding assembly, the sidewall of the second discharging groove (22) is provided with a first accommodation groove (23) and a second accommodation groove (24), the radius of the first accommodation groove (23) is greater than that of the discharging cylinder (12), and the radius of the second accommodation groove (24) is greater than that of the connecting cylinder (15).

6. A continuous drum-type pasture seed screening machine according to claim 2, characterised in that: The inner wall of the rotating groove (16) is a rough surface, and the circumferential side of the rotating roller (4) is a rough surface.

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