Corn threshing device

Abstract

The utility model relates to the technical field of corn threshing, and provides a corn threshing device which comprises a box body, the bottom of the box body is fixedly connected with a support, the left side of the box body is fixedly connected with a transmission motor, and the output end of the transmission motor is fixedly connected with a first gear rotationally connected with the box body. A second gear rotationally connected with the box body is meshed with one side of the first gear, threshing rollers located in the box body are fixedly connected to one side of the first gear and one side of the second gear, a stirring plate is arranged, a servo motor can be started to control a screw rod to rotate, a sliding block drives a transmission block to slide along the side face of the box body, and threshing is achieved. The embedded rod can move in the transverse groove in the swing plate when moving, the swing plate is driven to swing around the joint point of the swing plate and the groove, the stirring plate moves along with the swing plate, corn kernels falling on the ground are stirred through back-and-forth swinging of the stirring plate, and the corn kernels are prevented from being accumulated at one position.

Description

TECHNICAL FIELD

[0001] The utility model relates to corn threshing technical field, specifically, and relate to a corn threshing device. BACKGROUND

[0002] The harvested corn needs to be stripped after drying, and the mature and dry corn kernels are separated to facilitate later consumption. During the processing of mature corn, the corn needs to be threshed. When the corn is threshed, a corn threshing device is needed.

[0003] After searching, the existing patent (publication number CN 221264482 U) discloses a threshing device for corn processing, which comprises a processing cylinder, a driving box is fixedly arranged on the side of the processing cylinder, a driving mechanism is arranged in the driving box, a rotating shaft is rotatably connected to the inner wall of the processing cylinder, a plurality of iron chains with different lengths are fixedly arranged on the surface of the rotating shaft, and a vibrating sieve plate is arranged in the processing cylinder. The driving mechanism comprises a driving motor, and the output shaft of the driving motor extends into the inside of the driving box. The utility model sets rotating shaft in the inside of processing cylinder, and sets a plurality of iron chains with different lengths on the surface of rotating shaft, can drive rotating shaft and iron chain to rotate by driving mechanism, and then uses iron chain to carry out threshing operation on corn put into the inside of processing cylinder, uses flexible iron chain to carry out threshing on corn, reduces the rigid contact between the threshing device and the corn, reduces the damage to the corn kernels, and is beneficial to improving the quality of corn threshing.

[0004] However, although the above-mentioned corn threshing device can realize the operation of threshing corn, the corn kernels will accumulate at one place after falling out of the discharge place. When no one is looking around, the accumulated corn kernels may block the discharge opening, affecting the normal use of the equipment. Therefore, it is necessary to design a corn threshing device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a corn threshing device, which solves the problem that the corn kernels in the related art accumulate at one place after falling out of the discharge place, and the accumulated corn kernels may block the discharge opening when no one is looking around, affecting the normal use of the equipment.

[0006] The technical scheme of the utility model is as follows:

[0007] The utility model provides a corn threshing device, including the box, the bottom fixed connection of box has the support, the left side fixed connection of box has the transmission motor, the output fixed connection of transmission motor has with the box rotation connection first gear, the side of first gear is engaged with the box rotation connection second gear, the one side of first gear and second gear all fixedly connected with the threshing stick in the inside of box, the surface of two groups threshing stick all fixedly connected with the protruding piece, the side of two groups threshing stick all is provided with with the box rotation connection limiting rod, the below of transmission motor is provided with with the support fixed connection servo motor, the output fixed connection of servo motor has with the support rotation connection screw rod, the surface screw thread connection of screw rod has with the support sliding connection sliding block, the one side fixed connection of sliding block has the transmission block, the bottom fixed connection of transmission block has the embedded rod, the inside of support is provided with the recess, the inside rotation connection of recess has the swing plate, the right side fixed connection of swing plate has the dialing plate, the above of threshing stick is provided with with the fixed connection of box pressure plate.

[0008] Preferably, the surface of the box is fixedly connected with a mounting plate, a plurality of dust removal fans are arranged in the mounting plate, a guide plate is fixedly connected to the back of the box, a receiving plate is attached to the surface of the guide plate, springs are fixedly connected to the surface of the receiving plate, and an insertion rod is embedded into the guide plate through the receiving plate and attached to the inner wall of the spring.

[0009] Preferably, the two groups of threshing sticks are respectively arranged at the centers of the first gear and the second gear, and the protruding pieces are equidistantly arranged on the surfaces of the threshing sticks.

[0010] Preferably, the two groups of limiting rods are parallel to the threshing sticks, and the two groups of limiting rods are both provided with helical protrusions.

[0011] Preferably, the embedded rod is vertically arranged at the bottom of the transmission block, and the embedded rod slides left and right along the side surface of the support through the screw rod.

[0012] Preferably, the inside of the swing plate is provided with a linear sliding groove, and the embedded rod is embedded in the sliding groove and attached thereto.

[0013] Preferably, the dialing plate is linearly arranged, and the dialing plate is in a swing state around the recess under the action of the swing plate.

[0014] Preferably, the mounting plate wraps the dust removal fans inside itself, and the surface of the box is provided with air inlets corresponding to the positions of the dust removal fans.

[0015] Preferably, the inside of the guide plate is hollow, and the receiving plate completely blocks the bottom of the guide plate.

[0016] Preferably, the top corners of the receiving plate are provided with a plug rod and a spring, and the receiving plate and the guide plate are provided with a plug hole corresponding to the plug rod.

[0017] The utility model discloses beneficial effect has:

[0018] 1, through setting the dialing board, can open servo motor control screw rod rotation, slider drives transmission block to slide along the box side surface immediately, and drives the embedded rod synchronous movement, the embedded rod movement will move in the horizontal groove in the swing board, and swing board is driven to swing around the link point with the recess by this, dialing board moves, and this is to dial the corn kernel that falls on the ground by dialing board to and fro swing, avoids the corn kernel to accumulate at a place.

[0019] 2, through setting the receiving plate, when the corn kernel just passes through threshing and falls, dust fan can blow out the wind and contacts the corn kernel at this moment, and the dust in the corn kernel is blown into the guide plate inside, and falls into the receiving plate inside along the guide plate, and the dust is collected uniformly through the receiving plate, avoids the dust to fly in the air and pollutes the environment, finally, the plug rod is pulled and makes it move out of the guide plate inside, can detach the receiving plate. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model makes further detailed explanation in combination with the drawings and specific embodiment.

[0021] Figure 1 It is whole structure schematic diagram of the utility model;

[0022] Figure 2 It is local three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is embedded rod structure schematic diagram of the utility model;

[0024] Figure 4 It is back three-dimensional structure schematic diagram of the utility model;

[0025] Figure 5 It is plug rod position schematic diagram of the utility model;

[0026] Figure 6 It is guide plate and receiving plate separation state structure schematic diagram of the utility model;

[0027] Figure 7 It is threshing stick structure schematic diagram of the utility model;

[0028] Figure 8 It is dust fan position schematic diagram of the utility model;

[0029] Figure 9 It is pressing plate position schematic diagram of the utility model.

[0030] In the figure: 1, box; 2, support; 3, transmission motor; 4, first gear; 5, second gear; 6, threshing stick; 7, protruding block; 8, limiting rod; 9, servo motor; 10, screw rod; 11, sliding block; 12, transmission block; 13, embedded rod; 14, groove; 15, swing plate; 16, push plate; 17, mounting plate; 18, dust removal fan; 19, guide plate; 20, receiving plate; 21, spring; 22, insertion rod; 23, pressing plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are involved in the scope of protection of the present application.

[0032] As Figures 1-8The embodiment shown provides a corn threshing device, which comprises a box body 1, a support 2 fixedly connected to the bottom of the box body 1, a transmission motor 3 fixedly connected to the left side of the box body 1, a first gear 4 rotatably connected to the box body 1 and fixedly connected to the output end of the transmission motor 3, a second gear 5 rotatably connected to the box body 1 and meshed with one side of the first gear 4, threshing rods 6 located inside the box body 1 and fixedly connected to one side of the first gear 4 and the second gear 5, protrusions 7 fixedly connected to the surfaces of the two groups of threshing rods 6, limiting rods 8 rotatably connected to the box body 1 and arranged on the sides of the two groups of threshing rods 6, a servo motor 9 fixedly connected to the support 2 and arranged below the transmission motor 3, a screw rod 10 rotatably connected to the support 2 and fixedly connected to the output end of the servo motor 9, a sliding block 11 slidably connected to the support 2 and threadedly connected to the surface of the screw rod 10, a transmission block 12 fixedly connected to one side of the sliding block 11, an embedding rod 13 fixedly connected to the bottom of the transmission block 12, a groove 14 arranged in the inside of the support 2, an oscillating plate 15 rotatably connected to the inside of the groove 14, a pushing plate 16 fixedly connected to the right side of the oscillating plate 15, a pressing plate 23 fixedly connected to the box body 1 and arranged above the threshing rods 6, a mounting plate 17 fixedly connected to the surface of the box body 1, a plurality of dust removal fans 18 arranged in the inside of the mounting plate 17, a guide plate 19 fixedly connected to the back of the box body 1, a receiving plate 20 attached to the surface of the guide plate 19, springs 21 fixedly connected to the surface of the receiving plate 20, plug rods 22 embedded into the inside of the guide plate 19 through the receiving plate 20 and attached to the inner walls of the springs 21, the two groups of threshing rods 6 are respectively arranged at the centers of the first gear 4 and the second gear 5, the protrusions 7 are equidistantly arranged on the surfaces of the threshing rods 6, the transmission motor 3 drives the first gear 4 to rotate, when the first gear 4 rotates clockwise, the second gear 5 synchronously rotates counterclockwise, thereby driving the two groups of threshing rods 6 to synchronously move, corn is conveyed forward under the cooperation of the rotation of the threshing rods 6 and the limiting rods 8, and is threshed through the rotation of the protrusions 7, the two groups of limiting rods 8 are parallel to the threshing rods 6, the two groups of limiting rods 8 are both provided with helical protrusions, the helical protrusions can assist the corn being threshed to be conveyed forward, the embedding rod 13 is vertically arranged at the bottom of the transmission block 12, the embedding rod 13 slides left and right along the side surface of the support 2 through the screw rod 10, when the embedding rod 13 moves, it moves in the transverse groove in the oscillating plate 15, thereby driving the oscillating plate 15 to oscillate around the joint with the groove 14, the inside of the oscillating plate 15 is provided with a linear sliding groove, the embedding rod 13 is embedded in and attached to the sliding groove.The linear motion of the embedded rod 13 is converted into the rotating force of the swing plate 15, the poking plate 16 is linearly arranged, and the poking plate 16 swings around the groove 14 under the action of the swing plate 15 to poke the corn kernels falling on the ground, so that the corn kernels are prevented from piling up at one place. The installation plate 17 wraps the dust removal fan 18 inside itself, the surface of the box body 1 is provided with an air inlet corresponding to the position of the dust removal fan 18, and the dust removal fan 18 blows air to contact the corn kernels when the corn kernels just fall after threshing, so that the dust in the corn kernels is blown into the guide plate 19. The inside of the guide plate 19 is hollowly arranged, the receiving plate 20 completely blocks the bottom of the guide plate 19, so that the dust is prevented from floating in the air through the gap, and the top corners of the receiving plate 20 are provided with the insertion rod 22 and the spring 21. The inside of the receiving plate 20 and the guide plate 19 is provided with the insertion hole corresponding to the insertion rod 22, and the insertion rod 22 is pulled out of the inside of the guide plate 19, so that the receiving plate 20 can be disassembled.

[0033] In the embodiment, when in use, the corn to be threshed is put into the inside of the box body 1 from the feeding head of the box body 1, the corn falls on the threshing roller 6 from the feeding port of the pressing plate 23, the transmission motor 3 drives the first gear 4 to rotate, the first gear 4 rotates clockwise, the second gear 5 rotates anticlockwise synchronously, and the two groups of threshing rollers 6 move synchronously. The corn is conveyed forward under the cooperation of the rotation of the threshing roller 6 and the limiting rod 8, and is threshed by the rotation of the protruding block 7. The pressing plate 23 limits the corn in the threshing area, so that the corn is prevented from moving out of the threshing area. Finally, the threshed corn is discharged from the right outlet of the box body 1, and the corn kernels fall from the bottom of the box body 1. At this time, the servo motor 9 is opened to drive the screw rod 10 to rotate, the sliding block 11 drives the transmission block 12 to slide along the side surface of the box body 1, and the embedded rod 13 moves synchronously. The embedded rod 13 moves in the transverse groove in the swing plate 15, and drives the swing plate 15 to swing around the joint with the groove 14. The poking plate 16 moves to swing back and forth to poke the corn kernels falling on the ground, so that the corn kernels are prevented from piling up at one place.

[0034] The receiving plate 20 is arranged, the dust removal fan 18 blows air to contact the corn kernels when the corn kernels just fall after threshing, the dust in the corn kernels is blown into the guide plate 19, and the dust is dropped into the inside of the receiving plate 20 along the guide plate 19. The dust is collected by the receiving plate 20, so that the dust is prevented from flying in the air to pollute the environment. Finally, the insertion rod 22 is pulled out of the inside of the guide plate 19, so that the receiving plate 20 can be disassembled.

[0035] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A maize threshing apparatus, characterized by, The utility model provides a rice threshing machine, including box (1), the bottom fixed connection of box (1) has the support (2), the left side fixed connection of box (1) has transmission motor (3), the output of transmission motor (3) is fixedly connected with the first gear (4) of rotation connection with box (1), the first gear (4) one side is engaged with the second gear (5) of rotation connection with box (1), the first gear (4) with the second gear (5) one side all are fixedly connected with the inside threshing roll (6) of box (1), two groups the surface of threshing roll (6) all are fixedly connected with lug (7), two groups the side of threshing roll (6) all are provided with the limiting rod (8) of rotation connection with box (1), transmission motor (3) below is provided with the servo motor (9) of fixed connection with support (2), servo motor (9) output is fixedly connected with the screw rod (10) of rotation connection with support (2), the surface screw thread connection of screw rod (10) has the sliding block (11) of sliding connection with support (2), the one side of sliding block (11) is fixedly connected with transmission block (12), the bottom fixed connection of transmission block (12) has embedded rod (13), the inside of support (2) is provided with recess (14), the inside rotation connection of recess (14) has swing plate (15), the right side fixed connection of swing plate (15) has the dialing plate (16), the above of threshing roll (6) is provided with the pressing plate (23) of fixed connection with box (1).

2. A maize threshing apparatus according to claim 1, wherein, The surface fixed connection of box (1) has mounting plate (17), the inside of mounting plate (17) is provided with several groups dust removal fan (18), the back of box (1) is fixedly connected with guide plate (19), the surface of guide plate (19) is attached with receiving plate (20), the surface fixed connection of receiving plate (20) has spring (21), the inner wall of spring (21) is attached with plug rod (22) and is embedded into the inside of guide plate (19) through receiving plate (20).

3. A maize threshing apparatus according to claim 1, wherein, Two groups the surface of threshing roll (6) is equidistantly provided with lug (7) respectively at the center of first gear (4) and second gear (5).

4. A maize threshing apparatus according to claim 1, wherein, Two groups the limiting rod (8) is parallel with threshing roll (6), and two groups the limiting rod (8) is provided with helical protrusion.

5. A maize threshing apparatus according to claim 1, wherein, The bottom of transmission block (12) is vertically provided with embedded rod (13), and the embedded rod (13) slides left and right along the side of support (2) through screw rod (10).

6. A maize threshing apparatus according to claim 1, wherein, The inside of swing plate (15) is provided with linear chute, and the embedded rod (13) is embedded in the chute and is attached therewith.

7. A maize threshing apparatus according to claim 1, wherein, The dialing plate (16) is linearly arranged, and the dialing plate (16) is in a swing state around the recess (14) under the action of the swing plate (15).

8. A maize threshing apparatus according to claim 2, wherein, The mounting plate (17) wraps the dust removal fan (18) inside itself, and the surface of the box (1) is provided with an air inlet corresponding to the position of the dust removal fan (18).

9. A maize threshing apparatus according to claim 2, wherein, The inside of the guide plate (19) is hollow, and the receiving plate (20) completely blocks the bottom of the guide plate (19).

10. A maize threshing apparatus according to claim 2, wherein, The receiving plate (20) is provided with a plug rod (22) and a spring (21) at the top corner, and the receiving plate (20) and the guide plate (19) are provided with a plug hole corresponding to the plug rod (22) inside.

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