Crop seed sample crusher

Abstract

The utility model relates to the field of crushers, and discloses a crop seed sample crusher which comprises a crushing shell, a bottom shell arranged at the bottom end of the crushing shell, a motor arranged in the bottom shell, an output shaft arranged at the output end of the motor, a crushing cavity and a powder cavity respectively arranged at the upper part and the lower part of the crushing shell, and a filter screen movably connected between the crushing cavity and the powder cavity, the output shaft penetrates through the powder cavity and penetrates into the crushing cavity, the part, located in the crushing cavity, of the output shaft is connected with a crushing roller, the bottom face of the filter screen is provided with a first vibration part, the output shaft is provided with a second vibration part, the output shaft in the powder cavity is connected with a scraper, a baffle is arranged in the powder cavity, and the movement track of the scraper intersects with the baffle. The powder filtering device has the advantages that the filter screen slides up and down in a reciprocating mode under the combined action of the first elastic piece, vibration of the filter screen is achieved, meanwhile, the output shaft drives the scraper to rotate, powder is brought out under the combined action of the baffle and the second elastic piece, and the powder filtering efficiency and the discharging efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverizers, in particular to a crop seed sample pulverizer. Background Art

[0002] Seed sample crusher is a laboratory equipment specially used for seed sample processing. It can crush seed samples quickly and effectively for subsequent analysis and research. This machine is usually suitable for seed inspection, protein electrophoresis, moisture determination and other experiments. It can process single seeds of various crops such as wheat, corn, cotton, beans, etc.

[0003] The Chinese utility model patent with authorization announcement number CN213996138U discloses a seed sample crushing device, including a bottom shell, a crushing shell and a sealing cover, a block is provided on the top of the bottom shell, a block thread is provided on the outer wall of the block, a first opening is provided in the center of the top surface of the block, a motor is fixedly installed inside the bottom shell, an output shaft is provided on the top of the motor, the output shaft diameter is smaller than the first opening diameter, the output shaft is arranged on the inner wall of the first opening, a slot is provided at the bottom of the crushing shell, a powder shell is fixedly installed at the bottom of the crushing shell, a filter is provided on the top of the powder shell, and the sealing cover is installed on the outer wall of the top of the crushing shell. In this seed sample crushing device, the powder shell can be used to store powder inside the powder shell, and the filter above the powder shell can block uncrushed seeds, thereby facilitating the separation between seeds and crushing.

[0004] However, the existing technology still has the following technical problems: the powder accumulates on the filter screen after being crushed, and the powder is filtered into the powder chamber through the rotation of the crushing slices, which is slow and inefficient. The powder is also difficult to pour out of the powder chamber, and needs to be poured out slowly and manually, which has low work efficiency. Utility Model Content

[0005] The utility model aims to provide a crop seed sample crusher, which has the effects of improving powder filtering efficiency and discharging efficiency.

[0006] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a crop seed sample crusher comprises a crushing shell, a bottom shell is provided at the bottom end of the crushing shell, a motor is installed in the bottom shell, an output shaft is provided at the output end of the motor, a crushing chamber and a powder chamber are respectively provided at the upper and lower ends of the crushing shell, a filter is movably connected between the crushing chamber and the powder chamber, the output shaft passes through the powder chamber and passes into the crushing chamber, the output shaft is connected to a crushing roller located in the crushing chamber, the crushing roller is provided with several crushing blades, a first vibrating part is provided on the bottom surface of the filter, and a second vibrating part is provided on the output shaft, the second vibration contacts the first vibrating part to lift the first vibrating part and drive the filter to move upward, a scraper is connected to the output shaft in the powder chamber, a discharge port is provided in the powder chamber, and a baffle is provided at the discharge port in the powder chamber, and the movement trajectory of the scraper intersects with the baffle.

[0007] By adopting the above technical solution, by setting the first vibrating part and the second vibrating part, when the output shaft drives the second vibrating part to rotate and contact with the first vibrating part, the filter screen is lifted up and slides upward in the crushing shell. Under continuous rotation, the filter screen vibrates, which can achieve the purpose of accelerating powder filtration. By setting the scraper and baffle, the purpose of rapid powder discharge can be achieved.

[0008] The utility model is further configured as follows: the filter screen is slidably connected to the inner ring of the pulverizing shell, and a first elastic member is connected between the filter screen and the inner wall of the pulverizing shell.

[0009] By adopting the above technical solution, when the first vibrating part and the second vibrating part are out of contact, the filter is reset under the action of the first elastic member, and the filter vibrates under continuous rotation, thereby achieving the purpose of accelerating powder filtration.

[0010] The present invention is further configured as follows: the first vibration part and the second vibration part are both configured as bumps.

[0011] By adopting the above technical solution and providing the protrusions, the smooth surfaces of the two protrusions are pressed against each other when they come into contact, so that the filter can be lifted up quickly, thereby achieving the purpose of reducing energy consumption.

[0012] The present invention is further configured as follows: a second elastic member is connected between the scraper and the output shaft.

[0013] The present invention is further configured as follows: the crushing shell is vertically provided with a slide groove, the filter screen is provided with a slider, the slide groove is embedded in the slider, the first elastic member is configured as a spring, and the first elastic member is connected between the slider and the crushing shell.

[0014] By adopting the above technical solution, the filter drives the slider to slide in the slide groove under the action of the first vibrating part and the second vibrating part, which can prevent the slider and the first elastic part from interfering with the crushing work and achieve the purpose of rapid filtration.

[0015] The present invention is further configured as follows: the second elastic member is configured as a torsion spring.

[0016] By adopting the above technical solution and setting a torsion spring, when the scraper rotates under the drive of the output shaft and contacts the baffle, the scraper rotates under the action of the baffle. After the scraper and the baffle are out of contact, the second elastic member can quickly reset the scraper to continue scraping out the powder.

[0017] The utility model is further configured as follows: the radius of the scraper is smaller than the radius of the inner circle of the crushing shell.

[0018] By adopting the above technical solution, the purpose of preventing the end of the scraper from contacting the inner ring of the pulverizing shell and hindering the rotation of the scraper can be achieved.

[0019] The utility model is further configured as follows: the crushing roller includes a connecting sleeve and crushing blades, the crushing blades are multiple and connected to the connecting sleeve, and the inner ring of the connecting sleeve is tangent to the outer ring of the output shaft.

[0020] The present invention is further configured as follows: the crushing shell is provided with a discharge chute at the discharge port, and the discharge chute is connected to the discharge port and is tilted downward.

[0021] By adopting the above technical solution, the powder is scraped out by the scraper and slides out along the discharge chute and is collected, without the need for manual dumping, thereby achieving the purpose of improving the powder discharge efficiency.

[0022] The utility model is further configured as follows: a through hole is provided at the center of the filter screen for the output shaft to slide.

[0023] The beneficial effects of the present invention are as follows: by arranging the first vibrating part and the second vibrating part, the second vibrating part rotates continuously under the drive of the output shaft and contacts intermittently with the first vibrating part, and the filter screen slides back and forth up and down under the joint action of the first elastic member to realize the vibration of the filter screen, and at the same time the output shaft drives the scraper to rotate, and the powder is brought out under the joint action of the baffle and the second elastic member. Compared with the prior art, the present invention improves the filtering efficiency and discharge efficiency of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0027] Figure 3 yes Figure 2 Schematic diagram of the local structure of the middle powder chamber.

[0028] Figure 4 This is a schematic diagram of the powder chamber structure of the utility model.

[0029] In the figure, 1. crushing shell; 11. crushing chamber; 12. powder chamber; 13. baffle; 14. chute; 15. discharge port; 16. discharge chute; 2. bottom shell; 21. motor; 3. filter; 31. first vibrating part; 32. through hole; 33. first elastic member; 34. slider; 4. output shaft; 41. second vibrating part; 42. crushing roller; 421. connecting sleeve; 422. crushing blade; 43. scraper; 431. second elastic member. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0031] Embodiment, a crop seed sample crusher, such as Figures 1-4 As shown, it includes a crushing shell, the interior of the crushing shell is arranged as a crushing chamber and a powder chamber in sequence from top to bottom, a filter is arranged between the crushing chamber and the powder chamber, a slider is arranged on the outer ring of the filter, a slide groove is vertically opened on the inner ring of the crushing shell, the slider is embedded in the slide groove to realize the movable connection of the filter, a first elastic member is connected between the slider and the slide groove, the first elastic member is arranged as a spring, a bottom shell is provided at the bottom end of the crushing shell, a motor is installed in the bottom shell, the output end of the motor is connected to an output shaft, the output shaft passes through the powder chamber and passes into the crushing chamber, a through hole is opened in the center of the filter screen for the output shaft to slide, the part of the output shaft located in the crushing chamber is connected to a crushing roller, the crushing roller includes a connecting sleeve and a plurality of crushing blades arranged on the connecting sleeve, and the inner ring of the connecting sleeve is tangent to the outer ring of the output shaft.

[0032] Further, such as Figures 1-4 As shown, a first vibrating part is provided at the bottom of the filter, and a second vibrating part is provided at the part of the output shaft located in the powder chamber. The first vibrating part and the second vibrating part are both arranged as protrusions. The motion trajectory of the second vibrating part intersects with the first vibrating part. The second vibrating part presses against the first vibrating part and lifts the filter. The filter slides upward in the crushing shell. A scraper is connected to the output shaft in the powder chamber. A second elastic member is connected between the scraper and the output shaft. The second elastic member is arranged as a torsion spring. A discharge port is provided at the powder chamber of the crushing shell. A baffle is provided at the discharge port in the powder chamber. The motion trajectory of the scraper intersects with the baffle. The radius of the scraper is smaller than the radius of the inner ring of the crushing shell. A discharge chute is provided at the discharge port of the crushing shell. The discharge chute is connected to the discharge port and is tilted downward.

[0033] Its working principle is: put the seed sample to be crushed into the crushing chamber, turn on the motor, the output shaft drives the second vibrating part to rotate back and forth, and the second vibrating part repeatedly contacts the first vibrating part, so that the filter is lifted up. Under the action of the first elastic part, when the second vibrating part is out of contact with the first vibrating part, the filter is quickly reset to achieve vibration of the filter and accelerate the filtration of the powder. At the same time, the output shaft drives the scraper to rotate. Under the action of the second elastic part, the baffle will not block the normal rotation of the scraper. The scraper brings the powder to the discharge port, and under the action of the baffle, the powder accumulates on the baffle and slides out of the discharge port along the baffle.

Claims

1. A crop seed sample crusher, comprising a crushing shell, a bottom shell provided at the bottom end of the crushing shell, a motor installed in the bottom shell, and an output shaft provided at the output end of the motor, characterized in that: The pulverizing shell is respectively provided with a pulverizing chamber and a powder chamber, and a filter is movably connected between the pulverizing chamber and the powder chamber. The output shaft passes through the powder chamber and enters the pulverizing chamber. The output shaft is located in the pulverizing chamber and is connected to a pulverizing roller. The pulverizing roller is provided with a plurality of pulverizing blades. The bottom surface of the filter is provided with a first vibrating part, and the output shaft is provided with a second vibrating part. The second vibration contacts the first vibrating part to lift the first vibrating part and drive the filter to move upward. The output shaft in the powder chamber is connected with a scraper, and the powder chamber is provided with a discharge port. A baffle is provided at the discharge port in the powder chamber, and the movement trajectory of the scraper intersects with the baffle.

2. The crop seed sample crusher according to claim 1, characterized in that: The filter screen is slidably connected to the inner ring of the pulverizing shell, and a first elastic member is connected between the filter screen and the inner wall of the pulverizing shell.

3. The crop seed sample crusher according to claim 1, characterized in that: The first vibration part and the second vibration part are both configured as bumps.

4. The crop seed sample crusher according to claim 1, characterized in that: A second elastic member is connected between the scraper and the output shaft.

5. The crop seed sample crusher according to claim 2, characterized in that: The crushing shell is vertically provided with a slide groove, the filter screen is provided with a slider, the slide groove is embedded in the slider, the first elastic member is provided as a spring, and the first elastic member is connected between the slider and the crushing shell.

6. The crop seed sample crusher according to claim 4, characterized in that: The second elastic member is configured as a torsion spring.

7. The crop seed sample crusher according to claim 1, characterized in that: The scraper radius is smaller than the radius of the inner circle of the crushing shell.

8. The crop seed sample crusher according to claim 1, characterized in that: The crushing roller comprises a connecting sleeve and crushing blades. The crushing blades are multiple and connected to the connecting sleeve. The inner ring of the connecting sleeve is tangent to the outer ring of the output shaft.

9. The crop seed sample crusher according to claim 1, characterized in that: The crushing shell is provided with a discharge chute at the discharge port, and the discharge chute is connected to the discharge port and is arranged to be tilted downward.

10. The crop seed sample crusher according to claim 1, characterized in that: A through hole for the output shaft to slide is provided at the center of the filter screen.

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