Soybean drying device

Abstract

The invention relates to the technical field of agriculture, in particular to a soybean drying device which comprises a machine base, a support, a vertical plate, a hollow shaft and a drying cylinder, the support and the vertical plate are fixedly connected to the left side and the right side of the upper surface of the machine base respectively, the hollow shaft is installed at the top of the vertical plate through a bearing, and the right end of the drying cylinder communicates with the hollow shaft. The support supports the left side of the drying cylinder, the drying cylinder is used for storing soybeans, a driven gear is installed on the outer wall of the hollow shaft, a plurality of releasing mechanisms are installed on the outer wall of the drying cylinder from left to right in the circumferential direction at equal intervals, and soybeans with not full particles are discharged outwards through the releasing mechanisms. The soybean screening device overcomes the defect that traditional equipment is not timely in exhaust, avoids overhigh local humidity, remarkably shortens the drying period, can meet the screening requirements of soybeans with different particle sizes, not only can remove shriveled soybeans and impurities in the reserved soybeans to improve the germination rate, but also can screen qualified soybeans for processing links such as oil squeezing and smashing, reduces subsequent processing procedures and reduces the production cost.

Description

Technical Field

[0001] The present invention relates to the technical field of agriculture, and in particular to a soybean drying device. Background Art

[0002] Soybean drying, a core step in post-harvest agricultural product processing, directly impacts storage stability, processing suitability, and quality safety. By reducing the moisture content of soybean kernels, it effectively inhibits mold and spoilage caused by microbial growth, reduces the risk of pests, and provides qualified raw materials for subsequent processing steps such as crushing, seed storage, and oil extraction.

[0003] Currently, soybean drying generally uses drum drying equipment. Its working principle is as follows: soybeans roll inside the drum as the drum rotates, hot air enters from one end of the drum and flows axially, heating the soybeans through heat exchange. After the water evaporates, it is discharged from the other end of the drum with the hot air, thus achieving the purpose of drying. However, the existing technology has the following significant drawbacks: Low drying efficiency: Moisture generated by hot air and evaporation can only be discharged through a single end of the drum. The exhaust path is fixed and concentrated, resulting in moisture accumulation and uneven heat dissipation inside the drum, significantly extending the drying cycle. In particular, in high humidity environments, it is easy to cause incomplete drying in some areas. Single function, unable to meet subsequent processing needs: Existing equipment only performs drying operations and cannot simultaneously remove impurities such as underfilled beans, broken seeds, and dust. Underfilled beans reduce seed germination rates and affect oil extraction yields, while impurities can contaminate processing equipment and reduce the quality of the finished product, requiring additional screening steps, increasing production costs and processing time. Summary of the Invention

[0004] In order to overcome the shortcomings of low soybean drying efficiency and inability to remove impurities in the prior art, the present invention provides a soybean drying device.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a soybean drying device, comprising a machine base, a bracket, a vertical plate, a hollow shaft and a drying drum, the bracket and the vertical plate are fixedly connected to the left and right sides of the upper surface of the machine base respectively, the hollow shaft is installed on the top of the vertical plate through a bearing, the right end of the drying drum is connected to the hollow shaft, and the bracket supports the left side of the drying drum, the drying drum is used to store soybeans, the outer wall of the hollow shaft is installed with a driven gear, the outer wall of the drying drum is equidistantly installed with a plurality of release mechanisms from left to right along the circumferential direction, and the soybeans with unfull particles are discharged outward through the release mechanism, a material guide chute is installed in the middle of the upper surface of the machine base, and impurities falling from the release mechanism are collected through the material guide chute, a plurality of vertical rods are installed on the upper surface of the material guide chute from left to right, and the vertical rods correspond to the position of the release mechanism, a driver is installed at the right end of the upper surface of the machine base for use in conjunction with the driven gear, and the drying drum is rotated under the drive of the driver; the drying drum is rotated by the cooperation of the driver and the driven gear, so that the soybeans roll left and right in the drying drum, so that the soybeans are evenly heated and dried.

[0006] Preferably, the front and rear sides of the top of the vertical pole are both triangular in shape.

[0007] Preferably, the release mechanism includes a support frame installed on the outer wall of the drying cylinder, guide rods are installed horizontally at the upper and lower ends of the inner cavity of the support frame, a number of limit rods are equidistantly sleeved on the outer wall of the guide rods from left to right, and the gaps between the limit rods are used to screen soybeans, latches are installed at the front and rear ends of the limit rods, and adjustment components are installed at the upper and lower ends of the support frame, and the distance between the limit rods is adjusted by the adjustment component, an opening and closing component is installed on the front side of the inner cavity of the support frame, and the support frame is opened and closed by the opening and closing component, and a cover plate is installed on the front of the support frame; the adjustment component adjusts the distance between the limit rods to change the screening particle size of the beans, and the opening and closing component cooperates with the vertical rod to open and close the drying cylinder, thereby increasing the moisture release point.

[0008] Preferably, the adjustment component includes a braking unit installed on the outer wall of the support frame, a support rod is inserted in the center of the braking unit, and a marking line is provided on the outer wall of the support rod, and the marking line is used to judge the advancement distance of the support rod, a limit plate is installed on the inner side of the support rod, and the limit plate is inserted in the inner cavity of the support frame, and several groups of left-right symmetrical guide grooves are opened on the surface of the limit plate, and the pins are inserted in the inner cavity of the guide grooves; the guide grooves play a role in squeezing the pins, thereby changing the spacing between the limit rods.

[0009] Preferably, the guide groove is arranged at an angle, and the inclination of the guide groove increases from the inside to the outside.

[0010] Preferably, the braking unit includes a sleeve installed on the outer wall of the support frame, and the support rod passes through the center of the sleeve, a number of brake pads are installed on the outside of the sleeve at equal intervals along the circumferential direction, and the outer wall of the brake pad is provided with a thread, and the outer wall of the brake pad is screwed with a locking nut; the support rod is positioned after movement, thereby realizing the positioning of the limit plate.

[0011] Preferably, the contact surface between the brake pad and the locking nut is an inclined surface.

[0012] Preferably, the opening and closing assembly includes a sliding rod installed at the upper and lower ends of the inner cavity of the support frame, and baffles are sleeved on the left and right sides of the outer wall of the sliding rod, and the baffles are L-shaped. Two columns are vertically installed at the upper and lower ends of the inner cavity of the support frame, and the outer walls of the columns are sleeved with tension springs and sliding sleeves from the outside to the inside. The left and right sides of the sliding sleeve are connected to one end of the connecting rod through a pin shaft, and the other end of the connecting rod is connected to the outer wall of the baffle through a pin shaft. Under the action of the tension of the tension spring, the sliding sleeve is pulled to move, so that the connecting rod pulls the two baffles to move inward and close. When the baffle is closed, the upper and lower ends are triangular; with the cooperation of the column, the sliding sleeve and the connecting rod, the two baffles are synchronously and reversely moved to control the opening and closing of the support frame.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Improve drying efficiency and accelerate moisture discharge: In the existing technology, hot air and moisture can only be discharged from a single end of the drum, which easily causes moisture accumulation in the drum. The present invention arranges multiple release mechanisms on the circumference of the outer wall of the drying drum, and utilizes the cooperation of the vertical rods and the opening and closing components to form multi-point exhaust channels during the rotation of the drying drum. The hot air carrying moisture can be quickly discharged through the opened support frame, which solves the defect of untimely exhaust in traditional equipment, avoids excessive local humidity, and significantly shortens the drying cycle.

[0014] 2. Achieve precise screening and adapt to the needs of multiple scenarios: Existing equipment cannot remove unfilled beans and impurities, and an additional screening process is required. The present invention solves this problem through the linkage design of the adjustment component and the limit rod: the support rod advancement distance is accurately controlled by the marking line, and the guide groove extrusion pin is arranged at an angle on the limit plate to make the limit rod slide along the guide rod and flexibly adjust the spacing; this structure can adapt to the screening needs of soybeans of different particle sizes, and can not only remove the empty grains and impurities in the seed soybeans to improve the germination rate, but also screen qualified beans for processing links such as oil pressing and crushing, thereby reducing subsequent processing steps and reducing production costs.

[0015] 3. Integrated design improves operation continuity: The present invention integrates drying and screening functions into the same device. While the rotation of the drying drum ensures uniform heating of the soybeans, the automatic opening and closing of the release mechanism completes impurity separation and moisture discharge without manual intervention. Compared with the traditional step-by-step operation mode of drying and screening, it reduces equipment investment and transportation time, and improves the degree of automation and continuity of soybean post-harvest processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the present invention; Figure 2 This is a schematic diagram of the pole structure of the present invention; Figure 3 This is an exploded view of the release mechanism of the present invention; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 This is a schematic diagram of the structure of the regulating component of the present invention; Figure 6 This is an exploded view of the brake unit of the present invention; Figure 7 This is a schematic diagram of the structure of the opening and closing assembly of the present invention; Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0017] In the figure: 1. base; 2. bracket; 3. vertical plate; 4. hollow shaft; 5. drying drum; 6. driven gear; 7. release mechanism; 8. guide trough; 9. vertical rod; 10. driver; 71. support frame; 72. guide rod; 73. limit rod; 74. latch; 75. adjustment assembly; 76. opening and closing assembly; 77. cover plate; 751. brake unit; 752. support rod; 753. marking line; 754. limit plate; 755. guide groove; 7511. bushing; 7512. brake pad; 7513. locking nut; 761. slide rod; 762. baffle; 763. column; 764. tension spring; 765. sleeve; 766. connecting rod; 101. base; 102. motor; 103. driving gear. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0019] The present invention provides a technical solution: a soybean drying device, such as Figure 1-8As shown, it includes a base 1, a bracket 2, a vertical plate 3, a hollow shaft 4 and a drying cylinder 5. The bracket 2 and the vertical plate 3 are fixedly connected to the left and right sides of the upper surface of the base 1 respectively. The hollow shaft 4 is installed on the top of the vertical plate 3 through a bearing. The hollow shaft 4 is connected to the hot air blower to transport hot air for drying soybeans into the drying cylinder 5. The right end of the drying cylinder 5 is connected to the hollow shaft 4, and the bracket 2 supports the left side of the drying cylinder 5. There are rollers on the bracket 2 to reduce the friction when the drying cylinder 5 rotates. The drying cylinder 5 is used for storing soybeans. A spiral heat plate is provided in the drying cylinder 5. As the drying cylinder 5 rotates in both directions, the soybeans can be moved. A driven gear 6 is installed on the outer wall of the hollow shaft 4. The outer wall of the drying cylinder 5 is from left to right. Several release mechanisms 7 are installed at equal intervals along the right circumference, and the unfull soybean particles are discharged outward through the release mechanism 7. A material guide trough 8 is installed in the middle of the upper surface of the machine base 1, and the impurities falling from the release mechanism 7 are collected through the material guide trough 8. Several vertical rods 9 are installed on the upper surface of the material guide trough 8 from left to right, and the vertical rods 9 correspond to the position of the release mechanism 7. The front and rear sides of the top of the vertical rod 9 are both triangular. As the drying cylinder 5 rotates, the inclined surface of the vertical rod 9 can squeeze the release mechanism 7 to open the release mechanism 7. A driver 10 used in conjunction with the driven gear 6 is installed at the right end of the upper surface of the machine base 1, and the drying cylinder 5 is rotated by the drive 10.

[0020] like Figure 3 and Figure 4 As shown, as a preferred embodiment, further, the release mechanism 7 includes a support frame 71 installed on the outer wall of the drying drum 5, and guide rods 72 are horizontally installed at the upper and lower ends of the inner cavity of the support frame 71. Several limit rods 73 are equidistantly sleeved on the outer wall of the guide rod 72 from left to right, and the gaps between the limit rods 73 are used to screen soybeans. Pins 74 are installed at the front and rear ends of the limit rods 73. The pins 74 are cylindrical in shape, and the curved surface of the pins 74 has good stability when moving relative to the adjustment component 75. Adjustment components 75 are installed at the upper and lower ends of the support frame 71, and the distance between the limit rods 73 is adjusted by the adjustment component 75. An opening and closing component 76 is installed on the front side of the inner cavity of the support frame 71, and the support frame 71 is opened and closed by the opening and closing component 76. A cover plate 77 is installed on the front of the support frame 71.

[0021] More specifically, when the release mechanism 7 rotates to a position corresponding to the vertical rod 9, the triangular slope on the top of the vertical rod 9 contacts the baffle 762 of the opening and closing assembly 76, and the baffle 762 is squeezed to open to both sides, and the screening gap between the limit rods 73 is exposed; at this time, the soybeans in the drying cylinder 5 contact the limit rods 73 due to gravity and rotating centrifugal force, and the deflated grains and impurities with a particle size smaller than the gap width fall through the gap to be collected in the guide trough 8, and at the same time, the hot air carrying moisture in the drying cylinder 5 is quickly discharged through the gap, realizing multi-point exhaust and avoiding excessive local humidity.

[0022] When the release mechanism 7 continues to rotate with the drying cylinder 5 and leaves the squeezing range of the vertical rod 9, the tension spring 764 pulls the sliding sleeve 765 to reset, and drives the baffle 762 to close inward through the connecting rod 766, sealing the screening gap and ensuring that qualified soybeans remain in the drying cylinder 5 and continue to dry.

[0023] like Figure 5 As shown, as a preferred embodiment, further, the adjustment component 75 includes a brake unit 751 installed on the outer wall of the support frame 71, a support rod 752 is plugged into the center of the brake unit 751, and a marking line 753 is provided on the outer wall of the support rod 752. The marking line 753 is used to judge the advancement distance of the support rod 752. A limit plate 754 is installed on the inner side of the support rod 752, and the limit plate 754 is plugged into the inner cavity of the support frame 71. A plurality of groups of left-right symmetrical guide grooves 755 are opened on the surface of the limit plate 754, and the pin 74 is plugged into the inner cavity of the guide groove 755. The guide groove 755 is tilted and tilted from the inside to the outside. The inclination of the guide groove 755 increases gradually. As the limit plate 754 moves inward or outward, the inclined surface of the guide groove 755 can squeeze the pins 74 on the left and right sides outward or inward, thereby adjusting the distance between the limit rods 73; the guide groove 755 is designed with an increasing inclination, so that the distance between the limit rods 73 can be continuously adjusted, which is suitable for multiple scenarios from seed soybeans (full grains need to be retained) to oil-pressing raw materials (tiny impurities need to be removed); the cylindrical pin 74 contacts the curved surface of the guide groove 755, with low sliding resistance and not easy to get stuck, and cooperates with the guide rod 72 to guide the limit rod 73 to ensure the adjustment accuracy during long-term use.

[0024] like Figure 6 As shown, as a preferred embodiment, further, the braking unit 751 includes a sleeve 7511 installed on the outer wall of the support frame 71, and the support rod 752 passes through the center of the sleeve 7511, and the sleeve 7511 serves as a limiter for the support rod 752. A number of brake pads 7512 are equidistantly installed on the outside of the sleeve 7511 along the circumferential direction, and the outer wall of the brake pad 7512 is provided with a thread, and a locking nut 7513 is screwed on the outer wall of the brake pad 7512. The contact surface between the brake pad 7512 and the locking nut 7513 is an inclined surface. When the locking nut 7513 is screwed onto the brake pad 7512, the brake pad 7512 is squeezed inward under the action of the inclined surface, and the brake pad 7512 is pressed against the outer wall of the support rod 752 to position the support rod 752.

[0025] If the screening particle size needs to be adjusted (such as for different varieties of soybeans or different processing requirements), the adjustment component 75 can be operated. By loosening the locking nut 7513, the support rod 752 is pushed to move along the shaft sleeve 7511, and the advancement distance is controlled according to the marking line 753 on the outer wall of the support rod 752. The limit plate 754 moves synchronously, and the inclined guide groove 755 on its surface squeezes the pin 74, causing the limit rod 73 to slide along the guide rod 72 to adjust the gap width between adjacent limit rods 73; after the adjustment is completed, tighten the locking nut 7513, and fix its position through the friction between the brake pad 7512 and the support rod 752 to complete the setting of the screening parameters.

[0026] like Figure 7 and Figure 8 As shown, as a preferred embodiment, further, the opening and closing component 76 includes a slide rod 761 installed at the upper and lower ends of the inner cavity of the support frame 71, and the left and right sides of the outer wall of the slide rod 761 are sleeved with baffles 762, and the baffle 762 is L-shaped, and two columns 763 are vertically installed at the upper and lower ends of the inner cavity of the support frame 71. The outer wall of the column 763 is sleeved with a tension spring 764 and a sliding sleeve 765 from the outside to the inside, and the left and right sides of the sliding sleeve 765 are connected to one end of a connecting rod 766 through a pin shaft, and the other end of the connecting rod 766 is connected to the outer wall of the baffle 762. Through the pin connection, the sliding sleeve 765 is moved under the tension of the tension spring 764, so that the connecting rod 766 pulls the two baffles 762 to move inward and close. When the baffle 762 is closed, the upper and lower ends are triangular, which can make the baffle 762 and the inclined surface of the vertical pole 9 squeeze each other; the dynamic opening and closing control of the support frame 71 is realized through the opening and closing component 76, which not only ensures the impurity screening during the soybean drying process, but also accelerates the moisture discharge through the multi-point opening design, effectively solving the problem of single exhaust and low efficiency of traditional drying equipment.

[0027] Working principle: Step 1: The driving gear 103 is driven by the motor 102 to rotate. The driving gear 103 and the driven gear 6 drive the drying drum 5 to rotate. The soybeans move back and forth inside the drying drum 5. Hot air enters from the hollow shaft 4 and is used to dry the soybeans. In step 2, as the drying drum 5 rotates, when the baffle 762 contacts the vertical rod 9, the vertical rod 9 oblique surface presses the baffle 762 outward, promoting the two baffles 762 to gradually move away from each other. At the same time, the baffle 762 pulls the connecting rod 766 to move the sliding sleeve 765. The baffle 762 opens the support frame 71, and the gap between the limiting rods 73 screens the soybeans. The unfull soybeans and impurities fall into the guide chute 8 under the action of gravity, and exhaust is also performed, thereby achieving soybean impurity removal and improving soybean drying efficiency. Step 3: When the upright 9 and the baffle 762 are separated, the tension spring 764 pulls the sliding sleeve 765, so that the two baffles 762 move closer to each other and close, thereby opening and closing the support frame 71. Step 4: When the bean screening particle size needs to be adjusted, the locking nut 7513 is screwed away from the brake pad 7512 to release the brake pad 7512 from positioning the support rod 752. The advancement distance of the support rod 752 is determined according to the marking line 753, and the position of the limit plate 754 is adjusted. The inclined surface of the guide groove 755 moves outward or inward to squeeze the pin 74, so that the distance between the limit rods 73 becomes smaller or larger. The locking nut 7513 is screwed onto the brake pad 7512. Under the action of the inclined surface, the brake pad 7512 squeezes the support rod 752 inward to position the limit plate 754, thereby adjusting the screening standard.

[0028] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A soybean drying device, comprising a machine base (1), a bracket (2), a vertical plate (3), a hollow shaft (4) and a drying drum (5), wherein the bracket (2) and the vertical plate (3) are fixedly connected to the left and right sides of the upper surface of the machine base (1), respectively, the hollow shaft (4) is mounted on the top of the vertical plate (3) through a bearing, the right end of the drying drum (5) is connected to the hollow shaft (4), and the bracket (2) supports the left side of the drying drum (5), and the drying drum (5) is used for storing soybeans, characterized in that A driven gear (6) is installed on the outer wall of the hollow shaft (4). A plurality of release mechanisms (7) are installed on the outer wall of the drying drum (5) at equal intervals from left to right along the circumferential direction. The soybean particles that are not full are discharged outward through the release mechanisms (7). A material guide trough (8) is installed in the middle of the upper surface of the machine base (1). Impurities falling from the release mechanism (7) are collected through the material guide trough (8). A plurality of vertical rods (9) are installed on the upper surface of the material guide trough (8) from left to right, and the vertical rods (9) correspond to the positions of the release mechanism (7). A driver (10) used in conjunction with the driven gear (6) is installed on the right end of the upper surface of the machine base (1). The drying drum (5) is rotated under the drive of the driver (10).

2. A soybean drying device according to claim 1, characterized in that: The shapes of the front and rear sides of the top of the vertical pole (9) are both triangular.

3. A soybean drying device according to claim 2, characterized in that: The release mechanism (7) comprises a support frame (71) mounted on the outer wall of the drying drum (5), guide rods (72) are transversely mounted at both upper and lower ends of the inner cavity of the support frame (71), a plurality of limit rods (73) are sleeved on the outer wall of the guide rod (72) at equal distances from left to right, and soybeans are screened by using the gaps between the limit rods (73), latches (74) are mounted on both the front and rear ends of the limit rods (73), adjustment components (75) are mounted on both the upper and lower ends of the support frame (71), and the spacing between the limit rods (73) is adjusted by the adjustment components (75), an opening and closing component (76) is mounted on the front side of the inner cavity of the support frame (71), and the support frame (71) is opened and closed by the opening and closing component (76), and a cover plate (77) is mounted on the front of the support frame (71).

4. A soybean drying device according to claim 3, characterized in that: The adjustment assembly (75) includes a brake unit (751) installed on the outer wall of the support frame (71), a support rod (752) is plugged into the center of the brake unit (751), a marking line (753) is provided on the outer wall of the support rod (752), and the marking line (753) is used to judge the advancement distance of the support rod (752), a limit plate (754) is installed on the inner side of the support rod (752), and the limit plate (754) is plugged into the inner cavity of the support frame (71), and a plurality of groups of left-right symmetrical guide grooves (755) are opened on the surface of the limit plate (754), and the pin (74) is plugged into the inner cavity of the guide groove (755).

5. A soybean drying device according to claim 4, characterized in that: The guide groove (755) is arranged obliquely, and the inclination of the guide groove (755) increases from the inside to the outside.

6. A soybean drying device according to claim 5, characterized in that: The brake unit (751) comprises a shaft sleeve (7511) mounted on the outer wall of the support frame (71), and the support rod (752) passes through the center of the shaft sleeve (7511). A plurality of brake pads (7512) are mounted on the outer side of the shaft sleeve (7511) at equal intervals along the circumferential direction, and the outer wall of the brake pad (7512) is provided with a thread, and the outer wall of the brake pad (7512) is screwed with a locking nut (7513).

7. A soybean drying device according to claim 6, characterized in that: The contact surface between the brake pad (7512) and the locking nut (7513) is an inclined surface.

8. The soybean drying device according to claim 7, characterized in that: The opening and closing assembly (76) includes a slide rod (761) installed at the upper and lower ends of the inner cavity of the support frame (71), and baffles (762) are sleeved on the left and right sides of the outer wall of the slide rod (761), and the baffles (762) are L-shaped. Two columns (763) are vertically installed at the upper and lower ends of the inner cavity of the support frame (71), and the outer wall of the column (763) is sleeved with a tension spring (764) and a slide sleeve (765) from the outside to the inside. The left and right sides of the slide sleeve (765) are connected to one end of a connecting rod (766) through a pin shaft, and the other end of the connecting rod (766) is connected to the outer wall of the baffle (762) through a pin shaft. Under the action of the tension of the tension spring (764), the slide sleeve (765) is pulled to move, so that the connecting rod (766) pulls the two baffles (762) to move inward and close. When the baffle (762) is closed, the upper and lower ends are triangular.

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