Rubbing type corn thresher
Patent Information
- Application Number
- CN202522366230.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-07
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-07
AI Technical Summary
[0006]针对上述情况,为克服现有技术的缺陷,本实用新型提供一种揉搓式玉米脱粒机,本实用新型结构新颖,构思巧妙,有效的解决了脱粒效率低、脱粒后玉米芯不易收集的技术问题
[0017]本实用新型具有如下技术效果。
Smart Images

Figure CN224775555U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of corn threshing technology, specifically a rubbing-type corn threshing machine. Background Technology
[0002] A corn thresher is an agricultural machine specifically designed to separate corn kernels from the corn cob. Its core function is to replace manual threshing, efficiently separating the kernels from the cob through mechanical force. This improves post-harvest processing efficiency while reducing labor intensity and kernel breakage. It is a key piece of equipment connecting corn harvesting with storage and processing. However, existing equipment on the market has the following problems:
[0003] When threshing corn, the threshing handles on the threshing rollers are arranged as a whole with horizontal spacing between adjacent handles. This causes some corn to get stuck in the gap between two threshing handles during the threshing process, making it impossible to make effective contact with the handles and ultimately preventing threshing. These unthreshed corn pieces need to be manually picked out one by one in subsequent processes and repeatedly removed by hand, which increases labor costs and reduces the overall threshing efficiency.
[0004] After the corn is threshed, operators usually collect the separated corn cobs for use in fuel processing or for direct sale. However, due to the continuous output of the equipment, operators need to stay by the discharge port throughout the process, using tools to collect the cobs in real time. If they leave their posts or fail to collect them in time, the corn cobs will be discharged directly and scattered on the ground. This requires additional time and manpower to clean and recycle them, which increases the workload and may also cause some corn cob loss.
[0005] Based on this, the present invention provides a kneading corn thresher to solve the above problems. Utility Model Content
[0006] In view of the above situation and to overcome the defects of the prior art, this utility model provides a rubbing corn thresher. This utility model has a novel structure and ingenious design, and effectively solves the technical problems of low threshing efficiency and difficulty in collecting corn cobs after threshing.
[0007] A rubbing-type corn thresher includes a machine body. A threshing roller is rotatably installed inside the machine body. A spiral blade is fixed to one end of the threshing roller. Multiple threshing blocks are fixedly installed on the right side of the spiral blade. A deflector is fixedly installed at the other end of the threshing roller. Multiple round tubes are fixedly installed on one side of both ends of the threshing roller inside the machine body. Multiple fixing plates are fixedly installed on both sides of the threshing roller inside the machine body. Multiple threshing rods are fixedly installed on the fixing plates below the threshing roller. A fence is fixedly installed on the threshing rods on both sides of the threshing roller.
[0008] Preferably, a feeding box is fixedly installed on the machine body, the feeding box has a feeding port, a feeding plate is rotatably installed inside the feeding port, a partition is fixedly installed inside the machine body below the feeding port, an observation port is installed behind the feeding box and placed on the machine body, and an observation plate is rotatably installed on the observation port.
[0009] Preferably, the machine body has inspection ports at both the front and rear ends, and each inspection port is rotatably mounted with a cover plate.
[0010] Preferably, a fixing block is fixedly installed on the cover plate at the rear of the machine body, a support rod is hinged to the fixing block, and a slot is opened at the other end of the support rod. A lap plate corresponding to the support rod is fixedly installed on the machine body, and a lap groove is opened on the lap plate for the slot to be inserted.
[0011] Preferably, the machine body has a discharge port on the right side, a guard plate is fixedly installed inside the discharge port, a core plate is rotatably installed on the guard plate inside the machine body, and a rotating rod placed outside the machine body is detached and inserted through the core plate.
[0012] Preferably, an observation box is fixedly installed above the discharge port and placed on the machine body. The observation box has an observation window, and an installation frame is fixedly installed inside the observation window. A telescopic rod is hinged to the installation frame, and the end of the telescopic rod is hinged to the core plate.
[0013] Preferably, a drive wheel is fixedly sleeved at the end of the threshing roller, and the drive wheel is connected to a drive source.
[0014] Preferably, an installation box is fixedly installed below the machine body, a base plate is rotatably installed inside the installation box, a sieve plate is fixedly installed above the base plate, a sewage outlet is installed on the right side of the sieve plate, and a particle outlet is installed on the right side of the base plate.
[0015] Preferably, two symmetrical mounting plates are installed on the lower right side of the base plate, and an electric push rod is hinged between the mounting plates and the base plate.
[0016] Preferably, the right side of the mounting box has rectangular grooves corresponding to the sewage outlet and the particle outlet, respectively.
[0017] The present invention has the following technical effects.
[0018] 1. This utility model incorporates structures such as threshing blocks, fixing plates, and threshing rods, enabling the threshing blocks to rotate when the threshing roller rotates. The threshing rods, threshing blocks, and fences work together to collide and rub the corn to complete the threshing process. At the same time, spiral blades are used to transport the material, and the corn cobs are discharged through a deflector plate, avoiding the problem of corn getting stuck and improving the corn threshing efficiency.
[0019] 2. This utility model incorporates a coke discharge plate, a telescopic rod, and an output rod, enabling the corn cobs to be discharged after threshing by rotating the coke discharge plate via the telescopic rod. At the same time, a guide plate is used as a guide, eliminating the need for operators to stand next to the equipment for extended periods to collect the corn cobs, and allowing for real-time control of whether the corn cobs are being discharged. Attached Figure Description
[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0021] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model.
[0022] Figure 2 This is a schematic diagram of the assembly structure of the threshing roller, threshing block and deflector plate of this utility model.
[0023] Figure 3 This is a schematic diagram of the assembly structure of the cover plate, fixing block and feeding box of this utility model.
[0024] Figure 4 This is a schematic diagram of the assembly structure of the base plate, sieve plate and electric push rod of this utility model.
[0025] Figure 5 This is a top view of the assembly of the body, spiral blades, and circular tube of this utility model.
[0026] Figure label:
[0027] 1-Machine body; 2-Threshing roller; 3-Spiral blade; 4-Threshing block; 5-Pulling plate; 6-Round tube; 7-Fixing plate; 8-Threshing rod; 9-Fence; 10-Feeding box; 11-Feeding port; 12-Feeding plate; 13-Separator; 14-Observation port; 15-Observation plate; 16-Maintenance port; 17-Cover plate; 18-Fixing block; 19-Support rod; 20-Slot; 21-Overlap plate; 22-Overlap groove; 23-Discharge port; 24-Fence plate; 25-Core discharge plate; 26-Rotating rod; 27-Observation box; 28-Observation window; 29-Mounting frame; 30-Telescopic rod; 32-Drive wheel; 33-Mounting box; 34-Base plate; 35-Screen plate; 36-Drainage port; 37-Pellet outlet; 38-Mounting plate; 39-Electric push rod; 40-Rectangular trough. Detailed Implementation
[0028] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 5 The detailed description of the embodiments will make this clear. All references to the following embodiments are made with reference to the accompanying drawings.
[0029] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.
[0030] This utility model is a rubbing-type corn thresher, including a machine body 1. The machine body 1 is a rectangular box with a hollow interior and an opening at the bottom. A threshing roller 2, which is cylindrical in shape, is rotatably installed inside the machine body 1. A spiral blade 3 is fixed to the left end of the threshing roller 2. When the spiral blade 3 rotates, it generates a rotational transmission force on the conveyed material. Multiple threshing blocks 4, which are rectangular in shape, are fixedly installed on the right side of the spiral blade 3 and are evenly distributed around the circumference of the threshing roller 2. When the threshing roller 2 rotates, it synchronously drives the threshing blocks 4 to rotate. A deflector plate 5 is fixedly installed to the right end of the threshing roller 2. After the corn is threshed, the corn cob is pushed out of the machine body 1 by the rotation of the deflector plate 5.
[0031] Multiple round tubes 6 are fixedly installed inside the machine body 1 on both ends of the threshing roller 2. The round tubes 6 are evenly distributed in an arc shape inside the machine body 1 to limit and guide the corn and corn cobs. Multiple rectangular fixing plates 7 are installed outside the threshing roller 2. The fixing plates 7 are evenly arranged and installed inside the machine body 1, and cavities are formed between adjacent fixing plates 7. Multiple threshing rods 8 located below the threshing roller 2 are fixedly installed on the fixing plates 7. As the threshing roller 2 rotates, the threshed corn kernels are discharged from the gaps between the threshing rods 8. The threshing roller 2 is equipped with fences 9 fixed on the threshing rods 8 on both sides. When the corn rotates and threshes inside the machine body 1.
[0032] In practical use, after the corn enters the machine body 1, it first contacts the spiral blade 3 at one end of the threshing roller 2. The spiral blade 3 generates rotational transmission force as the threshing roller 2 rotates, smoothly conveying the corn to the threshing area on the right. After entering this area, the rectangular threshing block 4 on the threshing roller 2 rotates at high speed, cooperating with the threshing rod 8 and the fence on the circumferentially distributed circular tube 6 and fixed plate 7 inside the machine body 1. This causes the corn to rub and knead between the threshing roller, the fence 9, and the threshing rod 8, thus separating the kernels. At the same time, the threshing rod 8 and the fence 9 on both sides of the threshing roller 2 form a lateral limit to prevent the corn cob from coming out. Finally, the threshed corn kernels fall out of the cavity through the gaps in the threshing rod 8 and the fence 9, while the corn cob rotates to the end of the threshing roller 2 and is pushed out of the machine body 1 by the rotating plate 5, realizing the separation of kernels and corn cob. This process effectively improves the threshing efficiency.
[0033] As an example, a feeding box 10 is fixedly installed on the machine body 1. A feeding plate 12 located on the feeding port 11 is rotatably installed inside the feeding box 10. When the equipment is not in use, the feeding plate 12 is in a normally closed state to prevent dust and impurities from falling into the equipment. A partition 13 is fixedly installed inside the machine body 1 below the feeding port 11 to guide the corn entering from the feeding port 11 so that the corn contacts the spiral blades 3. An observation port 14 is installed on the machine body 1 behind the feeding box 10. An observation plate 15 is rotatably installed on the observation port 14. When the equipment is running, the operator can check the threshing situation through the observation port 14.
[0034] As an example, the machine body 1 has inspection ports 16 on both the front and back. When the equipment is malfunctioning, the operator can carry out maintenance through the inspection ports 16. Each inspection port 16 is rotatably installed with a cover plate 17.
[0035] As an example, a fixing block 18 is fixedly installed on the cover plate 17 at the rear of the machine body 1. A long strip-shaped support rod 19 is hinged to the fixing block 18. A slot 20 is opened at the end of the support rod 19. A connecting plate 21 corresponding to the support rod 19 is fixedly installed on the right side of the machine body 1. A connecting groove 22 is opened on the connecting plate 21 so that the slot 20 can be inserted. During maintenance, the operator can connect the cover plate 17 to the connecting plate 21 through the support rod 19, so that the slot 20 and the connecting groove 22 limit each other, so that the operator does not need to hold the cover plate 17 continuously.
[0036] As one embodiment, a discharge port 23 is provided on the right side of the machine body 1 for discharging the threshed corn cobs. An inclined baffle plate 24 is fixedly installed inside the discharge port 23 to guide the discharged corn cobs. A cob discharge plate 25 is rotatably installed inside the machine body 1 above the baffle plate 24. An insertion hole is provided on the rotating shaft of the cob discharge plate 25. A rotating rod 26 placed outside the machine body 1 is detachably installed in the insertion hole. During threshing, the cob discharge plate 25 is in a normally closed state. After the corn cobs in the equipment accumulate to a certain extent, the operator inserts the rotating rod 26 into the insertion hole. The rotating rod 26 can be rotated, and the rotating rod 26 drives the cob discharge plate 25 to rotate and open, so as to discharge the corn cobs.
[0037] As an example, an observation box 27 is fixedly installed on the machine body 1 above the discharge port 23. The observation box 27 is hollow inside and has an observation window 28. When the equipment is running, the operator can observe the threshing situation inside through the observation window 28. A mounting frame 29 is fixedly installed inside the observation window 28. A telescopic rod 30 is hinged on the mounting frame 29. The telescopic rod 30 can be electric, pneumatic, or hydraulic. The end of the telescopic rod 30 is hinged to the core plate 25, so that the core plate 25 can be controlled not only manually but also automatically.
[0038] In practical use, when the equipment is running, the cob discharge plate 25 of the discharge port 23 on the right side of the machine body 1 remains normally closed. The corn cobs after threshing gradually accumulate inside the machine body 1. The operator can check the amount of corn cob accumulation and threshing status in real time through the observation window 28 of the observation box 27 above the discharge port 23. When the corn cobs accumulate to a suitable level, the operator controls the telescopic rod 30 to start, which drives the cob discharge plate 25, which is hinged to it, to rotate and open around the rotating shaft. The corn cobs are discharged through the discharge port 23. During the process, the baffle plate 24 inside the discharge port 23 plays a guiding role. After the cob discharge is completed, the telescopic rod 30 is controlled to reset, and the cob discharge plate 25 returns to the normally closed state, waiting for the next operation.
[0039] As an example, a drive wheel 32 is fixedly sleeved at the end of the threshing roller 2 and placed outside the machine body 1. The drive wheel 32 is responsible for driving the threshing roller 2 to rotate and is connected to a drive source.
[0040] As an example, an installation box 33 is fixedly installed below the machine body 1. The installation box 33 is connected to the machine body 1. The installation box 33 is hollow inside. An inclined base plate 34 is rotatably installed inside the installation box 33. Specifically, the left end of the base plate 34 is rotatably installed inside the installation box 33 via a rotating shaft. A sieve plate 35 is fixedly installed above the base plate 34. The sieve plate 35 has multiple sieve holes for corn kernels to enter. A drain port 36 is installed on the right side of the sieve plate 35, which can discharge impurities intercepted by the sieve plate 35. A kernel outlet 37 is installed on the right side of the base plate 34, from which corn kernels falling from the sieve plate 35 onto the base plate 34 will be discharged.
[0041] In practical use, the corn kernels that fall after threshing enter the mounting box 33 through the connection between the machine body 1 and the mounting box 33. They first fall onto the screen plate 35 above the bottom plate 34. Corn kernels of the correct size fall through the screen holes onto the bottom plate 34. Straw, stones and other impurities are intercepted by the screen plate 35 and discharged from the drain port 36 on the right side. The corn kernels on the bottom plate 34 are finally discharged from the kernel outlet 37 on the right side of the bottom plate 34. This process completes the screening and collection of corn kernels.
[0042] It should be noted that a small vibration motor can be installed below the base plate 34 as needed.
[0043] As an example, two mounting plates 38 are symmetrically placed inside the mounting box 33 on the lower right side of the base plate 34. An electric push rod 39 is hinged between the mounting plate 38 and the base plate 34. The electric push rod 39 is connected to a power supply and a controller. The tilt angle between the base plate 34 and the screen plate 35 can be adjusted by the electric push rod 39.
[0044] As an example, the right side of the mounting box 33 is provided with rectangular grooves 40 corresponding to the drain port 36 and the grain outlet 37, respectively, for the discharge of corn and impurities, and at the same time to accommodate the adjustment of the electric push rod 39.
[0045] Working principle of this utility model:
[0046] First, the operator starts the drive source and drives the threshing roller 2 to rotate via the drive wheel 32; then, the normally closed feed plate 12 of the feed box 10 is opened, and the corn to be threshed is put in. The corn is guided by the partition 13 to contact the spiral blades 3 of the threshing roller 2 and is conveyed to the threshing area.
[0047] The threshing block 4 rotates at high speed with the threshing roller 2, and works with the round tube 6, threshing rod 8 and fence 9 to thresh the corn. The fence 9 is laterally limited to prevent the corn cob from popping out. At the same time, the threshing situation can be viewed through the observation port 14 on the feeding box 10 or the observation window 28 of the observation box 27 above the discharge port 23.
[0048] After threshing, the corn kernels fall from the gap between the threshing rod 8 and the fence 9, enter the mounting box 33 through the connection between the machine body 1 and the mounting box 33, and fall onto the sieve plate 35. Kernels that meet the size pass through the sieve holes to the bottom plate 34 and are discharged from the kernel outlet 37 along with the bottom plate 34. Impurities are discharged from the sewage outlet 36 on the sieve plate 35.
[0049] Corn cobs accumulate inside the machine body 1. The accumulated amount is confirmed through the observation window 28. Based on the actual situation, the telescopic rod 30 is driven or the rotating rod 26 is inserted to rotate, causing the cob discharge plate 25 to open around the shaft. The corn cobs are discharged through the discharge port 23. After discharge, the telescopic rod 30 is reset to close the cob discharge plate 25.
[0050] When the equipment malfunctions, the cover plate 17 on the inspection port 16 can be opened, and the cover plate 17 can be fixed by the support rod 19 and the overlapping plate 21 for maintenance.
[0051] The present invention has the following technical effects.
[0052] 1. This utility model incorporates structures such as threshing block 4, fixing plate 7, and threshing rod 8, so that when the threshing roller 2 rotates, it drives the threshing block 4 to rotate. The threshing rod 8, threshing block 4, and fence 9 work together to collide and rub the corn to complete the threshing. At the same time, the spiral blade 3 is used to transport the material, and the corn cob is discharged through the deflector 5, which avoids the problem of corn getting stuck and improves the corn threshing efficiency.
[0053] 2. By incorporating structures such as the cob discharge plate 25, the telescopic rod 30, and the output rod 31, the corn cobs after threshing are discharged by the telescopic rod 30 driving the cob discharge plate 25 to rotate. At the same time, the baffle plate 24 serves as a guide, eliminating the need for operators to stand next to the equipment for extended periods to collect the corn cobs, and allowing for real-time control of whether the corn cobs are discharged.
[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A kneading-type corn thresher, comprising a machine body (1), characterized in that, The threshing roller (2) is rotatably installed inside the machine body (1). A spiral blade (3) is fixed at one end of the threshing roller (2). Multiple threshing blocks (4) are fixedly installed on the right side of the spiral blade (3) on the threshing roller (2). A baffle plate (5) is fixedly installed at the other end of the threshing roller (2). Multiple round tubes (6) are fixedly installed inside the machine body (1) on one side of both ends of the threshing roller (2). Multiple fixing plates (7) are fixedly installed inside the machine body (1) on both sides of the threshing roller (2). Multiple threshing rods (8) placed below the threshing roller (2) are fixedly installed on the fixing plates (7). Fences (9) are fixedly installed on the threshing rods (8) on both sides of the threshing roller (2).
2. The rubbing-type corn thresher according to claim 1, characterized in that, A feeding box (10) is fixedly installed on the machine body (1). A feeding port (11) is opened on the feeding box (10). A feeding plate (12) is rotatably installed inside the feeding port (11). A partition (13) is fixedly installed inside the machine body (1) below the feeding port (11). An observation port (14) is installed behind the feeding box (10) and placed on the machine body (1). An observation plate (15) is rotatably installed on the observation port (14).
3. The rubbing-type corn thresher according to claim 1, characterized in that, The machine body (1) has inspection ports (16) at both the front and rear ends, and each inspection port (16) is rotatably mounted with a cover plate (17).
4. A kneading-type corn thresher according to claim 3, characterized in that, A fixing block (18) is fixedly installed on the cover plate (17) at the rear of the body (1). A support rod (19) is hinged on the fixing block (18). A slot (20) is opened at the other end of the support rod (19). A lap plate (21) corresponding to the support rod (19) is fixedly installed on the body (1). A lap groove (22) is opened on the lap plate (21) for the slot (20) to be inserted.
5. A kneading-type corn thresher according to claim 1, characterized in that, The machine body (1) has a discharge port (23) on the right side. A guard plate (24) is fixedly installed inside the discharge port (23). A core plate (25) is installed above the guard plate (24) and rotated inside the machine body (1). A rotating rod (26) is detached and inserted on the core plate (25) and placed outside the machine body (1).
6. A rubbing-type corn thresher according to claim 5, characterized in that, An observation box (27) is fixedly installed above the discharge port (23) and placed on the machine body (1). An observation window (28) is opened on the observation box (27). An installation frame (29) is fixedly installed inside the observation window (28). A telescopic rod (30) is hinged on the installation frame (29). The end of the telescopic rod (30) is hinged on the core plate (25).
7. A rubbing-type corn thresher according to claim 1, characterized in that, The threshing roller (2) is fixedly fitted with a drive wheel (32), and the drive wheel (32) is connected to a drive source.
8. A rubbing-type corn thresher according to claim 1, characterized in that, An installation box (33) is fixedly installed below the machine body (1). A base plate (34) is rotatably installed inside the installation box (33). A sieve plate (35) is fixedly installed above the base plate (34). A drain outlet (36) is installed on the right side of the sieve plate (35). A particle outlet (37) is installed on the right side of the base plate (34).
9. A rubbing-type corn thresher according to claim 8, characterized in that, Two mounting plates (38) are installed symmetrically inside the mounting box (33) on the lower right side of the base plate (34). An electric push rod (39) is hinged between the mounting plate (38) and the base plate (34).
10. A kneading-type corn thresher according to claim 9, characterized in that, The upper right side of the installation box (33) is provided with rectangular grooves (40) corresponding to the sewage outlet (36) and the particle outlet (37) respectively.