Structure of threshing machine

Abstract

The utility model provides a threshing machine structure which comprises a threshing cylinder, one side of the threshing cylinder is connected with an upper shell, a multi-tool-bit threshing toothed bar mechanism is arranged in the threshing cylinder, a transmission main shaft is arranged in the multi-tool-bit threshing toothed bar mechanism in an inserted mode, and one end of the transmission main shaft is provided with a scrap removing mechanism. One end of the transmission main shaft is connected with a first synchronous belt wheel, a driving motor is arranged at the bottom of one side of the threshing roller, an output shaft of the driving motor is connected with a second synchronous belt wheel, a vibrating screen mechanism is arranged on one side of the threshing roller, and the multi-tool-bit threshing toothed bar mechanism is used for threshing different crops. The scrap removing mechanism is used for taking out scrap iron in crops, and the vibrating screen mechanism is used for screening straw and grain particles. According to the structure of the threshing machine, scrap iron generated in the threshing cylinder can be adsorbed conveniently in the threshing process, and the grain purity is improved.

Description

Technical Field

[0001] The utility model relates to the field of crop threshing, in particular to the structure of a thresher. Background Art

[0002] The utility model with authorization announcement number: CN215122256U discloses a threshing device with coaxial multi-drum flippable threshing teeth, wherein the threshing drum comprises a threshing tooth rod, a first spoke disk and a second spoke disk; the threshing tooth rod is provided with a plurality of teeth, each of which comprises a tooth rod and different threshing tooth combinations in the circumferential direction of the tooth rod for threshing different crops; both ends of the tooth rod are provided with flip mounting plates, and the plurality of threshing tooth rods are detachably mounted between the first spoke disk and the second spoke disk through the flip mounting plates at both ends; each threshing tooth combination comprises a plurality of threshing teeth, and the plurality of threshing teeth are mounted on the tooth rod along the length direction of the tooth rod.

[0003] When the device is threshing crops, the threshing blade group will rub and collide with the inner wall of the threshing drum or impurities in the crops, causing the blade head of the threshing blade group to wear and produce iron filings, which are mixed into the grain particles and reduce the purity of the grain.

[0004] Therefore, it is necessary to provide a new structure of thresher to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a structure of a thresher with the function of removing iron chips.

[0006] The structure of the thresher provided by the utility model comprises a threshing drum, one side of the threshing drum is connected to an upper shell, a multi-blade threshing gear rod mechanism is arranged inside the threshing drum, a transmission main shaft is inserted inside the multi-blade threshing gear rod mechanism, a chip removal mechanism is arranged at one end of the transmission main shaft, a first synchronous pulley is connected to one end of the transmission main shaft, a driving motor is arranged at the bottom of one side of the threshing drum, and the output shaft of the driving motor is connected to the second synchronous pulley, the first synchronous pulley is connected to the second synchronous pulley through a synchronous belt, a vibrating screen mechanism is arranged on one side of the threshing drum, the multi-blade threshing gear rod mechanism is used for threshing different crops, the chip removal mechanism is used for removing iron filings in crops, and the vibrating screen mechanism is used for screening straw and grain particles.

[0007] In order to achieve the effect of facilitating the disassembly and replacement of the tooth plate, as the structure of the thresher provided by the utility model, preferably, the multi-blade head threshing tooth rod mechanism includes a connecting tooth plate installed on the transmission main shaft, the four corners of the connecting tooth plate are connected to a connecting plate, the connecting plate is provided with a screw hole, and the tooth plate is screwed into the screw hole, the tooth plate is connected to grass row teeth, and the tooth plate is connected to a threshing tooth group.

[0008] In order to achieve the effect of improving the hardness of the connecting plate, as the structure of the thresher provided by the utility model, preferably, the chip removal mechanism includes a support plate installed on the transmission main shaft, the four corners of the support plate are connected to the inner side of the connecting plate, one side of the support plate is connected to an arc plate, and a magnetic ball is screwed inside the arc plate.

[0009] In order to facilitate the screening of straw and grain particles, the utility model provides a structure of a thresher, preferably, the vibrating screen mechanism includes a mounting frame installed on one side of the threshing drum, and a vibrating screen plate is inserted into the interior of the mounting frame.

[0010] In order to achieve the effect of driving the vibrating screen plate to vibrate and screen, the utility model provides a structure of a thresher, preferably, an eccentric wheel on the transmission main shaft, the interior of the eccentric wheel is connected with a transmission rod, the transmission rod is sleeved with a vibration rod, a slide groove is opened on one side of the mounting frame, one end of the vibration rod is inserted into the interior of the slide groove and connected to one side of the vibrating screen plate.

[0011] In order to achieve the effect of mincing by the fixed knife cooperating with the threshing tooth group, the utility model provides a structure of a thresher, preferably, a feed port is opened on one side of the upper shell, a grass discharge port is opened on the side of the upper shell close to the vibrating screen plate, and fixed knives are arranged on both sides of the inside of the threshing drum.

[0012] In order to achieve the effect of facilitating the discharge of grain particles, the utility model provides a structure of a thresher, preferably, a discharge groove is provided on one side of the threshing drum, and a baffle plate is inserted into the discharge groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Multi-blade threshing tooth rod mechanism: The threshing blade tooth combination can be a combination of blade teeth, bow teeth, spike teeth, etc. When it is necessary to thresh a certain type of crop, the threshing blade tooth group can be turned over and installed, and the threshing blade tooth group can be installed on the outside of the connecting plate to thresh certain types of crops in a targeted manner, thereby improving the threshing effect, making the crops threshed cleanly, and increasing grain production;

[0015] Chip removal mechanism: It is convenient for the iron chips produced in the threshing drum to be adsorbed during the threshing process to improve the purity of grain.

[0016] Vibrating screen mechanism: The transmission main shaft drives the vibration rod to move through the transmission rod inside the eccentric wheel, and the vibration rod drives the vibrating screen plate to shake. The grain particles at the grass discharge port fall into the channel below the bottom screen through the sieve holes of the vibrating screen plate, so as to separate the crushed straw and grain, prevent the grain particles from being discharged from the grass discharge port together with the crushed straw, so as to achieve the goal of returning the grain particles to the warehouse and saving grain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a preferred embodiment of the structure of the thresher provided by the utility model;

[0018] Figure 2 for Figure 1 The structural schematic diagram of the threshing drum shown;

[0019] Figure 3 for Figure 2 The structural schematic diagram of the multi-blade threshing gear rod mechanism shown;

[0020] Figure 4 for Figure 3 A schematic diagram of the structure of the connecting toothed disc and the connecting plate shown;

[0021] Figure 5 for Figure 2 A partial top view of the transmission main shaft and eccentric wheel is shown.

[0022] Numbers in the figure: 1. threshing drum; 2. upper shell; 3. multi-blade threshing tooth rod mechanism; 31. connecting toothed disc; 32. connecting plate; 33. grass discharge tooth; 34. knife tooth plate; 35. threshing knife tooth group; 4. transmission main shaft; 5. chip removal mechanism; 51. support plate; 52. arc plate; 53. magnetic ball; 6. vibration screen mechanism; 61. mounting frame; 62. vibration screen plate; 63. eccentric wheel; 64. transmission rod; 65. vibration rod; 7. first synchronous pulley; 8. fixed knife; 9. discharge chute; 10. baffle plate. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A schematic diagram of a preferred embodiment of the structure of the thresher provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the threshing drum shown; Figure 3 for Figure 2 The structural schematic diagram of the multi-blade threshing gear rod mechanism shown; Figure 4for Figure 3 A schematic diagram of the structure of the connecting toothed disc and the connecting plate shown; Figure 5 for Figure 2 The structure of the thresher includes a threshing drum 1, one side of the threshing drum 1 is connected to the upper shell 2, a multi-blade threshing gear rod mechanism 3 is arranged inside the threshing drum 1, a transmission main shaft 4 is inserted inside the multi-blade threshing gear rod mechanism 3, one end of the transmission main shaft 4 is provided with a chip removal mechanism 5, one end of the transmission main shaft 4 is connected to a first synchronous pulley 7, a driving motor is arranged at the bottom of one side of the threshing drum 1, and the output shaft of the driving motor is connected to the second synchronous pulley, the first synchronous pulley 7 is connected to the second synchronous pulley through a synchronous belt, a vibrating screen mechanism 6 is arranged on one side of the threshing drum 1, the multi-blade threshing gear rod mechanism 3 is used to thresh different crops, the chip removal mechanism 5 is used to remove iron filings from crops, and the vibrating screen mechanism 6 is used to screen straw and grain particles.

[0025] In the specific implementation process, Figure 2 and Figure 3 As shown, the multi-blade head threshing gear rod mechanism 3 includes a connecting toothed disc 31 installed on the transmission main shaft 4, the connecting toothed disc 31 is key-connected to the transmission main shaft 4, and connecting plates 32 are welded and fixed to the four corners of the connecting toothed disc 31. The connecting plate 32 is provided with a screw hole, and a tooth plate 34 is screwed into the screw hole. Grass-removing teeth 33 are welded on the tooth plate 34, and a threshing tooth group 35 is welded and fixed on the tooth plate 34.

[0026] refer to Figure 3 and Figure 4 As shown, the chip removal mechanism 5 includes a support plate 51 installed on the transmission main shaft 4, the four corners of the support plate 51 are connected to the inner side of the connecting plate 32, one side of the support plate 51 is connected to an arc plate 52, the material of the arc plate 52 is metal, the inside of the arc plate 52 is screwed with a magnetic ball 53, the outer key of the transmission main shaft 4 is connected to the support plate 51, and the four corners of the support plate 51 are welded and fixed to the inner side of the connecting plate 32.

[0027] refer to Figure 2 and Figure 5 As shown, the vibration screen mechanism 6 includes a mounting frame 61 installed on one side of the threshing drum 1, one side of the mounting frame 61 is fixedly connected to the supporting leg on one side of the threshing drum 1 by bolts, a vibration screen plate 62 is inserted inside the mounting frame 61, and both sides of the vibration screen plate 62 are slidably inserted into the inner wall of the mounting frame 61.

[0028] refer to Figure 5As shown, the eccentric wheel 63 on the transmission main shaft 4 has two eccentric wheels 63, one side of each of the two eccentric wheels 63 is welded and fixed to one end of a transmission rod 64, the interior of the eccentric wheel 63 is connected to the transmission rod 64, a vibration rod 65 is sleeved on the transmission rod 64, the transmission rod 64 is slidably inserted into the interior of one end of the vibration rod 65, a slide groove is provided on one side of the mounting frame 61, one end of the vibration rod 65 is inserted into the interior of the slide groove and connected to one side of the vibration screen plate 62, and one end of the vibration rod 65 is hinged to one side of the vibration screen plate 62.

[0029] refer to Figure 1 As shown, a feed port is provided on one side of the upper shell 2, a grass discharge port is provided on one side of the upper shell 2 close to the vibrating screen plate 62, and fixed knives 8 are provided on both sides of the inside of the threshing drum 1, and one side of the fixed knife 8 is welded and fixed to the inner wall of the threshing drum 1.

[0030] refer to Figure 1 and Figure 2 As shown, a discharge groove 9 is provided on one side of the threshing drum 1 , and a baffle plate 10 is inserted into the discharge groove 9 .

[0031] The working principle of the structure of the thresher provided by the utility model is as follows:

[0032] By starting the driving motor on one side of the threshing drum 1, the driving motor drives the first synchronous pulley 7 to rotate through the second synchronous pulley and the synchronous belt. At this time, the personnel can put the crops into the inside of the threshing drum 1 through the feeding port on one side of the upper shell 2, and the first synchronous pulley 7 drives the transmission main shaft 4 and the eccentric wheel 63 to rotate respectively, and the transmission main shaft 4 drives the connecting toothed disc 31 and the supporting plate 51 to rotate respectively, and the supporting plate 51 and the connecting toothed disc 31 drive the connecting plate 32 to rotate, and the connecting plate 32 drives the knife tooth plate 34 to rotate, and the knife tooth plate 34 drives the threshing knife tooth group 35 to rotate. During the rotation of the threshing knife tooth group 35, the threshing knife tooth group 35 cooperates with the threshing knife tooth group 35 to rotate. The fixed knife 8 inside the threshing drum 1 is convenient for cutting crops. During the cutting process of the threshing tooth group 35, friction will be generated with the inner wall of the threshing drum 1 to produce fine iron filings. When the threshing tooth group 35 and the grass-removing teeth 33 flip the crop debris inside the threshing drum 1, the arc plate 52 and the magnetic ball 53 inside the connecting plate 32 adsorb these debris, thereby achieving the purpose of filtering iron filings. The eccentric wheel 63 drives the vibrating screen plate 62 to shake through the transmission rod 64, thereby separating the straw debris and the grain particles, and the grain particles return to the inside of the threshing drum 1 from the through holes of the vibrating screen plate 62 to avoid food waste.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. The structure of the thresher is characterized by: The invention comprises a threshing drum (1), one side of which is connected to an upper shell (2), a multi-blade threshing gear rod mechanism (3) is arranged inside the threshing drum (1), a transmission main shaft (4) is inserted inside the multi-blade threshing gear rod mechanism (3), one end of which is provided with a chip removal mechanism (5), one end of which is connected to a first synchronous pulley (7), a driving motor is arranged at the bottom of one side of the threshing drum (1), and the output shaft of the driving motor is connected to a second synchronous pulley, the first synchronous pulley (7) is connected to the second synchronous pulley through a synchronous belt, a vibrating screen mechanism (6) is arranged on one side of the threshing drum (1), the multi-blade threshing gear rod mechanism (3) is used for threshing different crops, the chip removal mechanism (5) is used for removing iron filings from crops, and the vibrating screen mechanism (6) is used for screening straw and grain particles.

2. The structure of the thresher according to claim 1, characterized in that: The multi-blade head threshing tooth rod mechanism (3) comprises a connecting toothed disc (31) mounted on a transmission main shaft (4), the four corners of the connecting toothed disc (31) are connected to connecting plates (32), the connecting plates (32) are provided with screw holes, and a knife tooth plate (34) is screwed into the screw holes, the knife tooth plate (34) is connected to grass row teeth (33), and the knife tooth plate (34) is connected to a threshing knife tooth group (35).

3. The structure of the thresher according to claim 1, characterized in that: The chip removal mechanism (5) comprises a support plate (51) mounted on the transmission main shaft (4), the four corners of the support plate (51) are connected to the inner side of the connecting plate (32), one side of the support plate (51) is connected to an arc plate (52), and a magnetic ball (53) is screwed inside the arc plate (52).

4. The structure of the thresher according to claim 1, characterized in that: The vibrating screen mechanism (6) comprises a mounting frame (61) mounted on one side of the threshing drum (1), and a vibrating screen plate (62) is inserted into the interior of the mounting frame (61).

5. The structure of the thresher according to claim 4, characterized in that: The eccentric wheel (63) on the transmission main shaft (4) is internally connected to a transmission rod (64), a vibration rod (65) is sleeved on the transmission rod (64), a slide groove is provided on one side of the mounting frame (61), one end of the vibration rod (65) is inserted into the interior of the slide groove and connected to one side of the vibration screen plate (62).

6. The structure of the thresher according to claim 4, characterized in that: A feed port is provided on one side of the upper shell (2), a grass discharge port is provided on one side of the upper shell (2) close to the vibrating screen plate (62), and fixed knives (8) are provided on both sides of the interior of the threshing drum (1).

7. The structure of the thresher according to claim 1, characterized in that: A material discharge groove (9) is provided on one side of the threshing drum (1), and a material blocking plate (10) is inserted inside the material discharge groove (9).

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