A device for dehulling fresh corn kernels and a method of using the same

Abstract

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

Description

Technical Field

[0001] This invention relates to the field of corn food processing equipment, specifically to a fresh corn kernel de-threshing device and its usage method. Background Technology

[0002] Corn is rich in various nutrients, making it a nutritionally complete food. In the food industry, fresh corn kernels are widely used to make canned corn, beverages, candies, and seasonings. After harvesting and peeling, fresh corn undergoes a kernel-removing process. Most current corn threshers are designed for mature and dried corn kernels. Fresh corn, due to its high moisture content, lower structural hardness, and softer texture, is easily deformed by compression. Its stem is also more resilient and less prone to breakage. Furthermore, most current corn threshers are friction-type or hammer-type structures. When using general-purpose threshers to thresh tender corn, the kernels are easily crushed or damaged. When corn kernels are squeezed and lose moisture, they are not easy to separate from the cob, resulting in excessive compression and damage, making threshing difficult. Therefore, the traditional corn thresher, which uses the friction, squeezing, and kneading action between the rotating drum and the concave plate to thresh the kernels, is not suitable for tender corn. Currently, the structure of equipment that uses ring cutters to directly cut the corn kernels off the cob requires a high degree of uniformity in the size of the corn cobs. A sorting station needs to be set up before the threshing process to put corn cobs of uniform size into the corresponding kernel cutting and threshing station. The sorting workload is large, and the size screening accuracy is difficult to control, which can easily lead to over-cutting or under-cutting of the corn kernels, thus restricting the quality of the corn kernel products. Summary of the Invention

[0003] The purpose of this invention is to provide a fresh corn kernel threshing device and its usage method to solve the above problems. It can adjust the inner diameter of the annular blade composed of multiple sets of blade holders in real time according to the diameter of different corn cobs, thereby achieving corresponding cutting and kernel threshing of tender corn cobs. There is no need for manual sorting and size grading of corn cobs, making it more convenient to use, and the corn kernels are threshed more thoroughly and with better results. See the following description for details.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] The present invention provides a fresh corn kernel threshing device, including a feeding cylinder and a mounting frame. The feeding cylinder is coaxially fixed to the outer side of the end face of the mounting frame. A rotating ring is rotatably arranged in the middle of the mounting frame. Multiple sets of blade holders are arranged around the inside of the rotating ring. Multiple sets of retainers are arranged in the middle of the rotating ring corresponding to the blade holders. A synchronization disc for fixing and supporting the retainers is arranged on the outer side of the rotating ring.

[0006] The outer circumference of the rotating ring is provided with an annular mounting groove that matches the mounting bracket. The middle of the rotating ring has multiple sets of retaining grooves that accommodate the retainer. The inner circumference of the rotating ring is provided with multiple sets of radial holes corresponding to the retaining grooves. The tool holder includes a pressure rod that slides through the radial holes. One end of the pressure rod is fixed with a blade, and the other end of the pressure rod is fixed with a sliding seat, which is also fixed with a sliding seat. The retainer is a wedge-shaped slider structure. One side of the inclined surface of the retainer is provided with a sliding groove that accommodates the sliding seat, and a smooth rod that slides and engages with the sliding seat is provided inside the sliding groove.

[0007] Preferably, a wing plate is provided on the side of the cage away from the feed cylinder, and a positioning groove for accommodating the wing plate is provided radially through the timing disc. The wing plate is slidably engaged with the timing disc through the positioning groove, and a constraint hole is provided transversely through the center of the positioning groove.

[0008] Preferably, a fine-tuning ring is provided on the side of the synchronizing disc away from the rotating ring. The fine-tuning ring is provided with multiple sets of arc-shaped constraint grooves corresponding to the constraint holes. A constraint bolt is fixed on the outer side of the wing plate, passing through the constraint grooves and the constraint holes in sequence. A compression spring is sleeved on the outer side of the constraint bolt to keep the fine-tuning ring pressed against the synchronizing disc.

[0009] Preferably, a transmission ring is coaxially sleeved on the outer side of the synchronous disk, and a transmission groove for accommodating the transmission ring is provided on the outside of the synchronous disk. Multiple sets of positioning components are arranged around the side of the mounting frame away from the transmission ring, and multiple sets of transversely penetrating sliding holes are provided on the mounting frame corresponding to the positioning components. A transmission frame that transversely penetrates the sliding holes is fixed on the side of the transmission ring near the mounting frame, and a transverse rack is provided on the side of the transmission frame near the axis of the feed cylinder.

[0010] Preferably, the mounting bracket end face is fixed with an auxiliary bracket to support the positioning component. The auxiliary bracket is a U-shaped structure with its opening facing the mounting bracket. A guide ring is fixed on the auxiliary bracket. The positioning component includes a positioning frame extending radially along the mounting bracket. A pressure roller is provided at the end of the positioning frame, and a guide rod is fixed in the middle of the positioning frame along its length direction, passing through the guide ring. The guide rod is clearance-fitted with the guide ring, and a spring is sleeved on the outer side of the guide rod inside the auxiliary bracket.

[0011] Preferably, the auxiliary frame has an assembly hole extending tangentially through the middle of the mounting frame, and a reversing shaft is rotatably installed in the assembly hole. A driving gear and a driven gear are fixed to the two ends of the reversing shaft, respectively. A vertical rack is provided on the side of the positioning frame near the mounting frame. The vertical rack meshes with the driving gear, and the horizontal rack meshes with the driven gear.

[0012] Preferably, the feed cylinder is provided with multiple sets of end holes around the end near the mounting frame to accommodate the insertion of the pressure roller, and the top surface of the feed cylinder away from the mounting frame has a placement hole.

[0013] Preferably, a push cylinder is provided at the end of the feed cylinder away from the mounting frame. The telescopic end of the push cylinder extends into the inside of the feed cylinder. A disc-shaped push cover is fixed to the telescopic end of the push cylinder, and the lateral telescopic stroke of the push cylinder is greater than the distance between the placement hole and the rotating ring.

[0014] Preferably, a drive motor is fixed to the outside of the mounting bracket, a gear ring is provided on the outer circumference of the rotating ring, a drive gear that meshes with the gear ring is fixed to the output end of the drive motor, a motor base fixed to the outside of the mounting bracket is provided on the outside of the drive motor, and multiple support rods that are fixedly connected to the feed cylinder are arranged around the end face of the mounting bracket.

[0015] The method of using the fresh corn kernel threshing device includes the following steps:

[0016] a. The tender corn that needs to be threshed is put into the feed cylinder through the placement hole. The push cover of the push cylinder pushes the tender corn to the position of the positioning component. Multiple sets of positioning components are distributed around the tender corn. The pressure roller presses against the outer circumference of the tender corn so that the positioning components can be used to achieve outer circumferential positioning during the process of pushing the tender corn to the knife holder position.

[0017] b. The pressure roller is pressed by the outer circumference of the tender corn, and the positioning frame expands and moves outward as a whole. The vertical rack drives the reversing shaft to rotate, and then the reversing shaft drives the horizontal rack to move the transmission ring away from the feed cylinder. At this time, the transmission ring, through the rotational cooperation with the synchronous disc, drives the synchronous disc and multiple sets of retainers to move horizontally in sync. The retainers gradually move towards the direction of disengaging from the retaining groove. At this time, through the sliding cooperation between the cutter holder and the inclined surface of the retainer, multiple sets of cutter holders are driven to expand outward in sync, realizing the synchronous opening of multiple sets of annularly distributed cutter holders. The positioning component is used as a pre-positioning mechanism for the cutter holder position, and the opening position of multiple sets of cutter holders is adjusted in real time according to the diameter of different tender corn.

[0018] c. The drive gear at the output end of the drive motor drives the gear ring to rotate, so as to ensure that the rotating ring and its internal cage, the blade holder and the external synchronous disc and the fine-tuning ring rotate synchronously. Then, during the rotation of the blade holder, the inner diameter of the formed ring blade body is adjusted. When the tender corn is pushed to the contact position by the push cylinder, the continuously rotating blade cuts the tender corn off the corn cob, completing the tender corn threshing process.

[0019] d. When it is necessary to adjust the thickness of the cut corn kernels according to different product requirements, that is, when it is necessary to adjust the relative position of the blade and the pressure roller, pull the fine-tuning ring away from the rotating ring. Push the fine-tuning ring and compress the compression spring, thereby separating the fine-tuning ring from the synchronous plate. At this time, the fine-tuning ring is in a rotatable state. Rotate the fine-tuning ring, and use the arc-shaped constraint groove on the fine-tuning ring to drive the constraint bolts of multiple retainers to move along the constraint holes. In this way, while keeping the position of the pressure roller unchanged, the radial position of multiple sets of blade holders in the rotating ring is adjusted, thereby adjusting the relative position of the blade and the pressure roller, and realizing the adjustment of the thickness of the cut corn kernels.

[0020] The beneficial effects are as follows: 1. The present invention sets multiple sets of positioning components on the outer circumference of the end of the feed cylinder, and uses springs to push the positioning frame to keep the pressure roller always pressing against the outer circumference of the corn cob to be threshed. The vertical rack of the positioning component drives the reversing shaft to rotate, so as to convert the vertical movement of the pressure roller into the lateral movement of the transmission ring and the synchronous disc. With the adjustable blade holder, the blade position is adjusted by using the retainer to drive the blade holder. When the pressure roller presses against different diameter positions on the corn cob, it can ensure that the position of the blade holder changes synchronously, and thus actively adjust the blade position according to the diameter of the corn cob to adapt to the cutting and threshing action of corn cobs of different sizes.

[0021] 2. A fine-tuning ring is set on the outer end face of the synchronous disc that supports multiple sets of retainers. An arc-shaped constraint groove is set on the fine-tuning ring to accommodate the constraint bolts. By rotating the fine-tuning ring, the multiple sets of constraint grooves can be used to support the movement of multiple sets of retainers, thereby changing the radial position of the retainers on the synchronous disc. This allows the position of the blade to be changed while keeping the position of the pressure roller unchanged. As a result, the relative position of the blade holder and the pressure roller can be adjusted according to the required cutting thickness of the corn kernels, adapting to the threshing needs of different tender corn products and meeting the processing specifications of different products. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a front view structural diagram of the present invention;

[0024] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0025] Figure 3 This is a structural breakdown diagram of the present invention;

[0026] Figure 4This is a structural breakdown diagram of the feed cylinder and push cylinder of the present invention;

[0027] Figure 5 This is a structural breakdown diagram of the mounting bracket and positioning assembly of the present invention;

[0028] Figure 6 This is a three-dimensional structural schematic diagram of the rotating ring of the present invention;

[0029] Figure 7 This is a structural disassembly diagram of the tool holder and cage of the present invention;

[0030] Figure 8 This is a schematic diagram showing the structural breakdown of the synchronization disk and the fine-tuning ring of the present invention;

[0031] Figure 9 This is a three-dimensional structural schematic diagram of the transmission ring of the present invention;

[0032] Figure 10 This is a three-dimensional structural diagram of the positioning component of the present invention;

[0033] Figure 11 This is a three-dimensional structural schematic diagram of another aspect of the present invention;

[0034] Figure 12 This is a three-dimensional structural diagram of the drive motor of the present invention.

[0035] The annotations in the attached figures are explained as follows:

[0036] 1. Feed cylinder; 101. End hole; 102. Placement hole; 2. Mounting bracket; 201. Auxiliary bracket; 202. Guide ring; 203. Assembly hole; 204. Sliding hole; 205. Reversing shaft; 205a. Drive gear; 205b. Driven gear; 206. Pre-installation hole; 3. Rotating ring; 301. Mounting groove; 302. Retaining groove; 303. Radial hole; 304. Gear ring; 4. Tool holder; 401. Blade; 402. Pressure rod; 403. Sliding seat; 5. Retaining bracket; 501. Sliding groove; 502. Polished rod; 5 03. Wing plate; 504. Compression spring; 505. Constraint bolt; 6. Synchronous disc; 601. Transmission groove; 602. Positioning groove; 603. Constraint hole; 7. Positioning assembly; 701. Positioning frame; 702. Pressure roller; 703. Guide rod; 704. Spring; 705. Vertical rack; 8. Transmission ring; 801. Transmission frame; 802. Horizontal rack; 9. Drive motor; 901. Drive gear; 902. Motor base; 10. Push cylinder; 10a. Push cover; 11. Support rod; 12. Fine-tuning ring; 12a. Constraint groove. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0038] See Figures 1-12 As shown, the present invention provides a fresh corn kernel threshing device, including a feeding cylinder 1 and a mounting frame 2. The feeding cylinder 1 is coaxially fixed to the outer side of the end face of the mounting frame 2. The feeding cylinder 1 serves as the feeding channel for corn cobs. A rotating ring 3 is rotatably arranged in the middle of the mounting frame 2. Multiple sets of blade holders 4 are arranged around the inside of the rotating ring 3. The multiple sets of blade holders 4 form a ring blade to rotate and cut the tender corn cobs to separate the corn kernels from the corn cobs. A multiple set of retainers 5 are arranged in the middle of the rotating ring 3 corresponding to the blade holders 4. A synchronous disc 6 for fixing and supporting the retainers 5 is arranged on the outer side of the rotating ring 3. Multiple pre-installed holes 206 are arranged on the outer circumference of the mounting frame 2 to facilitate fixing the mounting frame 2 to the fresh corn threshing production line for use with other processing equipment.

[0039] The outer circumference of the rotating ring 3 is provided with an annular mounting groove 301 that matches the mounting bracket 2, ensuring that the rotating ring 3 can rotate stably in the mounting bracket 2. Multiple sets of retaining grooves 302 for accommodating the retainer 5 are transversely passed through the middle of the rotating ring 3. Multiple sets of radial holes 303 are provided on the inner circumference of the rotating ring 3 corresponding to the retaining grooves 302. The tool holder 4 includes a pressure rod 402 that slides through the radial holes 303. The pressure rod 402 is clearance-fitted with the radial holes 303. One end of the pressure rod 402, which extends into the rotating ring 3, is fixed with a blade 401. A sliding seat 403 is fixed at one end of the retaining groove 302. The retainer 5 is a wedge-shaped slider structure. A sliding groove 501 is provided on one side of the inclined surface of the retainer 5 to accommodate the sliding seat 403. A smooth rod 502 that slides and engages with the sliding seat 403 is provided inside the sliding groove 501. During the transverse movement of the retainer 5 following the synchronous disk 6, the sliding groove 501 on one side of the inclined surface of the retainer 5, in conjunction with the smooth rod 502, supports the tool holder 4 to move radially along the rotating ring 3, thereby realizing the radial position adjustment action of the tool holder 4.

[0040] As an optional implementation, a wing plate 503 is provided on the side of the retainer 5 away from the feed cylinder 1. A positioning groove 602 for accommodating the wing plate 503 is provided radially through the synchronous disk 6. The wing plate 503 slides with the synchronous disk 6 through the positioning groove 602 to ensure that the position of the retainer 5 on the synchronous disk 6 is adjustable. A constraint hole 603 is transversely passed through the middle of the positioning groove 602. The constraint hole 603 extends radially along the synchronous disk 6. A fine-tuning ring 12 is provided on the side of the synchronous disk 6 away from the rotating ring 3. A plurality of arc-shaped constraint grooves 12a are provided on the fine-tuning ring 12 corresponding to the constraint hole 603. A constraint bolt 505 is fixed on the outside of the wing plate 503, which passes through the constraint groove 12a and the constraint hole 603 in sequence. A compression spring 504 is sleeved on the outside of the constraint bolt 505 to keep the fine-tuning ring 12 pressed against the synchronous disk 6, so as to ensure that the fine-tuning ring 12 can be pressed against the end face of the synchronous disk 6, thereby ensuring that the position of the retainer 5 on the synchronous disk 6 is fixed.

[0041] A transmission ring 8 is coaxially sleeved on the outer side of the synchronous disc 6, and a transmission groove 601 is provided on the outside of the synchronous disc 6 to accommodate the transmission ring 8, ensuring that the synchronous disc 6 can rotate inside the transmission ring 8 and that the synchronous disc 6 can move laterally synchronously with the transmission ring 8. Multiple sets of positioning components 7 are arranged around the side of the mounting frame 2 away from the transmission ring 8, and multiple sets of transversely penetrating sliding holes 204 are provided on the mounting frame 2 corresponding to the positioning components 7. A transmission frame 801 with transversely penetrating sliding holes 204 is fixed on the side of the transmission ring 8 near the mounting frame 2. A transverse rack 802 is provided on the side of the transmission frame 801 near the axis of the feed cylinder 1.

[0042] Specifically, an auxiliary frame 201 supporting the positioning assembly 7 is fixed to the end face of the mounting frame 2. The auxiliary frame 201 is a U-shaped structure with its opening facing the mounting frame 2. A guide ring 202 is fixed on the auxiliary frame 201. The positioning assembly 7 includes a positioning frame 701 extending radially along the mounting frame 2. A pressure roller 702 is provided at the end of the positioning frame 701. The pressure roller 702 has a concave structure to ensure that the pressure roller 702 can adapt to the external shape of the corn cob. A guide rod 703 passing through the guide ring 202 is fixed in the middle of the positioning frame 701 along its length direction. The guide rod 703 is clearance-fitted with the guide ring 202. A spring 704 is sleeved on the outside of the guide rod 703 inside the auxiliary frame 201. The spring 704 pushes the positioning frame 701 downward to ensure that the pressure roller 702 can press against the outside of the corn cob inside the feed cylinder 1.

[0043] An assembly hole 203 is tangentially inserted through the middle of the auxiliary frame 201 along the mounting frame 2, and a reversing shaft 205 is rotatably installed in the assembly hole 203. The two ends of the reversing shaft 205 are respectively fixed with a driving gear 205a and a driven gear 205b. A vertical rack 705 is provided on the side of the positioning frame 701 near the mounting frame 2. The vertical rack 705 meshes with the driving gear 205a, and the horizontal rack 802 meshes with the driven gear 205b. The pressure roller 702 is pressed against the outside of the corn cob by the reversing shaft 205 and the two sets of gears outside it, and the corresponding height position is transmitted to the transmission ring 8. The lateral position of the transmission ring 8, the synchronous disc 6 and the retainer 5 are adjusted accordingly. Then, the radial position of the blade holder 4 is changed by the lateral displacement of the retainer 5, so as to adapt to the targeted threshing work of corn cobs of different diameters.

[0044] The feeding cylinder 1 has multiple sets of end holes 101 around its end near the mounting frame 2 to accommodate the insertion of pressure rollers 702. A placement hole 102 is also present on the top surface of the feeding cylinder 1 away from the mounting frame 2. A pushing cylinder 10 is located at the end of the feeding cylinder 1 away from the mounting frame 2. The telescopic end of the pushing cylinder 10 extends into the feeding cylinder 1. A disc-shaped push cover 10a is fixed to the telescopic end of the pushing cylinder 10. The lateral telescopic stroke of the pushing cylinder 10 is greater than the distance between the placement hole 102 and the rotating ring 3, ensuring that the push cover 10a can push the corn cob entirely into the rotating ring 3 and rotate it through the blade 401. For cutting and threshing, a drive motor 9 is fixed to the outside of the mounting frame 2. A gear ring 304 is provided on the outer circumference of the rotating ring 3. A drive gear 901 that meshes with the gear ring 304 is fixed to the output end of the drive motor 9. A motor base 902 fixed to the outside of the mounting frame 2 is provided on the outside of the drive motor 9. Multiple support rods 11 that are fixedly connected to the feed cylinder 1 are arranged around the end face of the mounting frame 2. In addition, the speed at which the push rod is pushed by the telescopic end of the push cylinder 10 is not less than 1m / s, which reduces the error problem of corn kernel cutting and threshing caused by the retraction of the blade 401 when the corn cob is pushed to the position of disengaging from the pressure roller 702.

[0045] The method of using a fresh corn kernel threshing device includes the following steps:

[0046] a. The tender corn that needs to be threshed is put into the feed cylinder 1 through the placement hole 102. The push cover 10a of the push cylinder 10 pushes the tender corn to the position of the positioning component 7. Multiple sets of positioning components 7 are distributed around the tender corn. The pressure roller 702 presses against the outer circumference of the tender corn so that the positioning component 7 can be used to achieve outer circumferential positioning during the process of pushing the tender corn to the position of the cutter holder 4.

[0047] b. The pressure roller 702 is subjected to the top pressure of the outer circumference of the tender corn body. The positioning frame 701 expands and moves outward as a whole. The vertical rack 705 drives the reversing shaft 205 to rotate. Then, the reversing shaft 205 drives the horizontal rack 802 to drive the transmission ring 8 to move laterally away from the feed cylinder 1. At this time, the transmission ring 8, through the rotational cooperation with the synchronous disk 6, drives the synchronous disk 6 and multiple sets of retainers 5 to move laterally synchronously. The retainers 5 gradually move towards the direction of disengaging from the retaining groove 302. At this time, through the sliding cooperation between the sliding seat 403 on the knife holder 4 and the sliding groove 501 on the inclined surface of the retainer 5, multiple sets of knife holders 4 are driven to expand outward synchronously, realizing the synchronous opening of multiple sets of annularly distributed knife holders 4. The positioning component 7 is used as a pre-positioning mechanism for the position of the knife holder 4, which can adjust the opening position of multiple sets of knife holders 4 in real time according to the diameter of different tender corn.

[0048] c. The drive gear 901 at the output end of the drive motor 9 drives the gear ring 304 to rotate, so as to ensure that the rotating ring 3 and its internal retainer 5, the blade holder 4 and the external synchronous disk 6 and the fine-tuning ring 12 rotate synchronously. In this way, the inner diameter of the formed ring blade body is adjusted during the rotation of the blade holder 4. When the tender corn is pushed to the position of contacting the blade 401 by the push cylinder 10, the continuously rotating blade 401 cuts the tender corn off the corn cob, completing the tender corn threshing process.

[0049] d. When it is necessary to adjust the thickness of the cut corn kernels according to different product requirements, that is, when it is necessary to adjust the relative position of the blade 401 and the pressure roller 702, pull the fine adjustment ring 12 away from the rotating ring 3, push the fine adjustment ring 12 and compress the compression spring 504, thereby separating the fine adjustment ring 12 from the synchronous disk 6. At this time, the fine adjustment ring 12 is in a rotatable state. Rotate the fine adjustment ring 12, and use the arc-shaped constraint groove 12a on the fine adjustment ring 12 to drive the constraint bolts 505 of multiple retainers 5 to move along the constraint hole 603. Then, while keeping the position of the pressure roller 702 unchanged, adjust the radial position of multiple sets of blade holders 4 in the rotating ring 3, thereby adjusting the relative position of the blade 401 and the pressure roller 702, and realizing the adjustment action of the cut corn kernel thickness.

[0050] By setting multiple sets of positioning components 7 on the outer circumference of the end of the feed cylinder 1, the spring 704 pushes the positioning frame 701 to keep the pressure roller 702 always pressing against the outer circumference of the corn cob to be threshed. The vertical rack 705 of the positioning component 7 drives the reversing shaft 205 to rotate, so as to convert the vertical movement of the pressure roller 702 into the lateral movement of the transmission ring 8 and the synchronous disc 6. With the adjustable blade holder 4, the retainer 5 drives the blade holder 4 to adjust the position of the blade 401. When the pressure roller 702 presses against different diameter positions on the corn cob, it can ensure that the position of the blade holder 4 changes synchronously, and then actively adjust the position of the blade 401 according to the diameter of the corn cob to adapt to the cutting and threshing action of corn cobs of different sizes.

[0051] A fine-tuning ring 12 is provided on the outer end face of the synchronous disc 6 that supports multiple sets of retainers 5. An arc-shaped constraint groove 12a is provided on the fine-tuning ring 12 to accommodate the constraint bolt 505. By rotating the fine-tuning ring 12, the multiple sets of retainers 5 can be moved using the multiple sets of constraint grooves 12a, thereby changing the radial position of the retainers 5 on the synchronous disc 6. This allows the position of the blade 401 to be changed while keeping the position of the pressure roller 702 unchanged. As a result, the relative position of the blade holder 4 and the pressure roller 702 can be adjusted according to the required cutting thickness of the corn kernels, adapting to the threshing needs of different tender corn products and meeting the processing specifications of different products.

[0052] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A device for dehulling fresh corn kernels, characterized in that: It includes a feed cylinder (1) and a mounting frame (2). The feed cylinder (1) is coaxially fixed to the outer side of the end face of the mounting frame (2). A rotating ring (3) is rotatably arranged in the middle of the mounting frame (2). Multiple sets of tool holders (4) are arranged around the inside of the rotating ring (3). Multiple sets of retainers (5) are arranged in the middle of the rotating ring (3) corresponding to the tool holders (4). A timing disc (6) is arranged on the outer side of the rotating ring (3) to fix and support the retainers (5). The outer circumference of the rotating ring (3) is provided with an annular mounting groove (301) matching the mounting bracket (2). The middle part of the rotating ring (3) has multiple sets of retaining grooves (302) that accommodate the retainer (5). The inner circumference of the rotating ring (3) is provided with multiple sets of radial holes (303) corresponding to the retaining grooves (302). The tool holder (4) includes a pressure rod (402) that slides through the radial holes (303). One end of the pressure rod (402) that extends into the rotating ring (3) is fixed with a blade (401). One end of the pressure rod (402) that extends into the retaining groove (302) is fixed with a sliding seat (403). The retainer (5) is a wedge-shaped slider structure. One side of the inclined surface of the retainer (5) is provided with a sliding groove (501) that accommodates the sliding seat (403). The sliding groove (501) is provided with a smooth rod (502) that slides and engages with the sliding seat (403). A wing plate (503) is provided on the side of the cage (5) away from the feed cylinder (1). A positioning groove (602) for accommodating the wing plate (503) is provided on the synchronous disk (6) along its radial direction. The wing plate (503) is slidably engaged with the synchronous disk (6) through the positioning groove (602). A constraint hole (603) is provided transversely through the middle of the positioning groove (602). A fine-tuning ring (12) is provided on the side of the synchronous disk (6) away from the rotating ring (3). The fine-tuning ring (12) is provided with multiple sets of arc-shaped extended constraint grooves (12a) corresponding to the constraint hole (603). A constraint bolt (505) is fixed on the outer side of the wing plate (503) and passes through the constraint groove (12a) and the constraint hole (603) in sequence. A compression spring (504) is sleeved on the outer side of the constraint bolt (505) to keep the fine-tuning ring (12) pressed against the synchronous disk (6). A transmission ring (8) is coaxially sleeved on the outside of the synchronous disk (6), and a transmission groove (601) for accommodating the transmission ring (8) is provided on the outside of the synchronous disk (6). Multiple sets of positioning components (7) are arranged around the side of the mounting frame (2) away from the transmission ring (8), and multiple sets of transversely penetrating sliding holes (204) are provided on the mounting frame (2) corresponding to the positioning components (7). A transmission frame (801) that transversely penetrates the sliding hole (204) is fixed on the side of the transmission ring (8) near the mounting frame (2). A transverse rack (802) is provided on the side of the transmission frame (801) near the axis of the feed cylinder (1). The mounting frame (2) has an auxiliary frame (201) fixed on its end face to support the positioning component (7). The auxiliary frame (201) is a U-shaped structure with its opening facing the mounting frame (2). A guide ring (202) is fixed on the auxiliary frame (201). The positioning component (7) includes a positioning frame (701) extending radially along the mounting frame (2). A pressure roller (702) is provided at the end of the positioning frame (701). A guide rod (703) is fixed in the middle of the positioning frame (701) along its length direction, penetrating the guide ring (202). The guide rod (703) is clearance-fitted with the guide ring (202). A spring (704) is sleeved on the outer side of the guide rod (703) inside the auxiliary frame (201). The auxiliary frame (201) has an assembly hole (203) tangentially through the middle of the mounting frame (2), and a reversing shaft (205) is rotatably installed in the assembly hole (203). The two ends of the reversing shaft (205) are respectively fixed with a driving gear (205a) and a driven gear (205b). The positioning frame (701) is provided with a vertical rack (705) on the side near the mounting frame (2). The vertical rack (705) meshes with the driving gear (205a), and the transverse rack (802) meshes with the driven gear (205b).

2. A device for threshing fresh corn kernels as claimed in claim 1, wherein: The feed cylinder (1) has multiple sets of end holes (101) around one end near the mounting frame (2) to accommodate the pressure roller (702) extending into it, and the top surface of the feed cylinder (1) away from the mounting frame (2) has a placement hole (102) through it.

3. A device for threshing fresh corn kernels as claimed in claim 2, wherein: A push cylinder (10) is provided at one end of the feed cylinder (1) away from the mounting frame (2). The telescopic end of the push cylinder (10) extends into the feed cylinder (1). A disc-shaped push cover (10a) is fixed to the telescopic end of the push cylinder (10), and the lateral telescopic stroke of the push cylinder (10) is greater than the distance between the placement hole (102) and the rotating ring (3).

4. A device for threshing fresh corn kernels as claimed in claim 3, wherein: A drive motor (9) is fixed on the outside of the mounting bracket (2). A gear ring (304) is provided on the outer circumference of the rotating ring (3). A drive gear (901) that meshes with the gear ring (304) is fixed at the output end of the drive motor (9). A motor base (902) fixed to the outside of the mounting bracket (2) is provided on the outside of the drive motor (9). Multiple support rods (11) that are fixedly connected to the feed cylinder (1) are arranged around the end face of the mounting bracket (2).

5. The method of using the fresh corn kernel threshing device according to claim 4, characterized in that, Includes the following steps: a. The tender corn that needs to be threshed is put into the feed cylinder (1) through the placement hole (102). The push cover (10a) of the push cylinder (10) pushes the tender corn to the position of the positioning component (7). Multiple positioning components (7) are distributed around the tender corn. The pressure roller (702) presses against the outer circumference of the tender corn so that the positioning components (7) can be used to achieve outer circumferential positioning during the process of pushing the tender corn to the position of the cutter holder (4). b. The pressure roller (702) is subjected to the top pressure of the outer circumference of the tender corn body. The positioning frame (701) expands and moves outward as a whole. The vertical rack (705) drives the reversing shaft (205) to rotate. Then, the reversing shaft (205) drives the horizontal rack (802) to drive the transmission ring (8) to move laterally away from the feed cylinder (1). At this time, the transmission ring (8) rotates with the synchronous disk (6) to drive the synchronous disk (6) and multiple sets of retainers (5) to move laterally. The retainers (5) gradually move towards the direction of exiting the retaining groove (302). At this time, through the sliding cooperation between the knife holder (4) and the inclined surface of the retainer (5), multiple sets of knife holders (4) are driven to expand outward synchronously, realizing the synchronous opening of multiple sets of annularly distributed knife holders (4). The positioning component (7) is used as the pre-positioning mechanism for the position of the knife holder (4). The opening position of multiple sets of knife holders (4) is adjusted in real time according to the diameter of different tender corn. c. The drive gear (901) at the output end of the drive motor (9) drives the gear ring (304) to rotate, so as to ensure that the rotating ring (3) and its internal retainer (5), the knife holder (4) and the external synchronous disk (6) and the fine-tuning ring (12) rotate synchronously, and then realize the adjustment process of the inner diameter of the formed ring-shaped knife body during the rotation of the knife holder (4). When the tender corn is pushed to the position of contacting the blade (401) by the push cylinder (10), the continuously rotating blade (401) cuts the tender corn off the corn cob, completing the tender corn threshing process. d. When it is necessary to adjust the thickness of the cut corn kernels according to different product requirements, that is, when it is necessary to adjust the relative position of the blade (401) and the pressure roller (702), pull the fine adjustment ring (12) away from the rotating ring (3), push the fine adjustment ring (12) and compress the compression spring (504), and then separate the fine adjustment ring (12) from the synchronous disk (6). At this time, the fine adjustment ring (12) is in a rotatable state. Rotate the fine adjustment ring (12) and use the arc-shaped constraint groove (12a) on the fine adjustment ring (12) to drive the constraint bolts (505) of multiple retainers (5) to move along the constraint hole (603). Then, while keeping the position of the pressure roller (702) unchanged, adjust the radial position of multiple sets of blade holders (4) in the rotating ring (3), thereby adjusting the relative position of the blade (401) and the pressure roller (702) to achieve the adjustment action of the cut corn kernel thickness.

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