Flexible threshing machine for broad beans

Abstract

The utility model relates to the field of agricultural machinery, in particular to a broad bean flexible threshing machine which comprises a machine box, a machine frame, a threshing roller, a concave grid, a vibrating screen, a feeding port, a grass discharging port, a motor and an automatic adjusting device. And the three-arc-section plate teeth arranged on the threshing roller can play roles in striking, extruding and axially conveying the broad beans at the same time, so that the threshing efficiency is improved. The utility model provides a broad bean flexible thresher which can protect broad beans from being damaged while the broad beans are threshed and fully beaten, and when the broad bean flexible thresher is used for threshing and processing the broad beans, not only is the working efficiency improved, but also the quality of the broad beans can be ensured, and the loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field, concretely is a flexible thresher of broad bean. TECHNICAL BACKGROUND

[0002] Broad bean threshing as an important link of broad bean harvesting processing, its mechanization can greatly improve the production efficiency of broad bean, but because the pod and bean of dry broad bean are closely adhered, broad bean is easy to be extruded and damaged during mechanical threshing, and broad bean needs to be flexibly threshed, in addition, dry broad bean needs to be fully beaten to be effectively threshed, and broad bean is easy to be damaged if beating time is too long, and broad bean is not completely threshed if beating time is too short, and broad bean needs to be guaranteed to stay in the machine box for enough time, therefore, research and development of a flexible broad bean thresher can not only improve threshing efficiency, but also make broad bean not be damaged during threshing. UTILIT Y MODEL CONTENTS

[0003] (1) the technical problem to be solved:

[0004] In order to solve the problems of broad bean being easy to be extruded and damaged and not being completely threshed during mechanical threshing in the above background, the utility model provides a flexible broad bean thresher.

[0005] (2) technical scheme:

[0006] The utility model provides a flexible broad bean thresher, including machine case, frame, threshing cylinder, concave screen, vibrating screen, feeding port, straw discharge port, motor, the uppermost of frame is equipped with machine case, the lowermost layer connecting rod of frame is equipped with motor, the inside of machine case is equipped with threshing cylinder and concave screen, it further includes automatic adjusting device, the automatic adjusting device is equipped with concave screen two support surface below and is fixed on the uppermost two rods of frame, the middle connecting rod of frame supports four legs of vibrating screen through damping spring, the left side of the curved surface machine cover of machine case is connected with feeding port, the right side of the bottom of machine case is connected with straw discharge port.

[0007] Further, the automatic adjusting device includes adjusting spring, adjusting nut, concave screen gasket and base, the automatic adjusting device is four respectively fixed on the uppermost front and rear two rods of frame.

[0008] Further, the base is composed of two top threaded guide rods fixed on a bottom plate in parallel, and the threaded parts cooperate with the adjusting nuts, and the adjusting springs pass through the two guide rods to support the concave screen gasket and the concave screen.

[0009] Further, the vibrating screen is fixed horizontally by seven fixed clamps at the middle position, so that it is divided into two layers, and the upper right discharge port is longer than the lower right screening port, and the vibrating screen is installed with left high and right low, and the bottom center is provided with a vibrating motor.

[0010] Further, the inner side of the curved machine cover is provided with four arc baffles with a spiral angle of 10°.

[0011] Further, the three-arc segment plate teeth on the surface of the threshing cylinder are arranged in an axial equidistance and circumferential staggered form, the left 4 / 5 shaft segment below the threshing cylinder is wrapped by the concave screen, and the right 1 / 5 shaft segment below is provided with a straw discharge port.

[0012] Further, the three-arc segment plate teeth are 22 in total and are arranged at an angle of 30° relative to the cylinder shaft on the left 4 / 5 shaft segment of the threshing cylinder and at an angle of 0° relative to the cylinder shaft on the right 1 / 5 shaft segment.

[0013] (3) Beneficial effects:

[0014] The automatic adjusting device added in the utility model can make the impact and extrusion force received by the broad beans in the threshing process change with the size of the broad bean feeding amount, so that the broad beans are protected from being damaged; in addition, the three-arc segment plate teeth on the threshing cylinder can simultaneously play the roles of impact, extrusion and axial conveying on the broad beans, so that the threshing effect is improved; and the arc baffles on the inner side of the curved machine cover can make the broad beans stay in the machine box for a certain period of time to make the threshing sufficient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model of a broad bean flexible threshing machine;

[0016] Figure 2 It is an internal structure schematic view of the utility model of a broad bean flexible threshing machine;

[0017] Figure 3 It is an automatic adjusting device schematic view;

[0018] Figure 4 It is an inner side schematic view of the curved machine cover of the machine box;

[0019] In the drawings, the components or parts represented by each reference numeral are described as follows:

[0020] 1, motor; 2, shock absorbing spring; 3, vibrating screen; 4, fixed clamp; 5, machine box; 6, feeding port; 7, straw discharge port; 8, screen mesh; 9, discharge port; 10, rack; 11, screening port; 12, vibrating motor; 13, threshing cylinder; 14, concave screen; 15, automatic adjusting device; 1501, adjusting spring; 1502, adjusting nut; 1503, concave screen gasket; 1504, base; 16, three-arc segment plate tooth; 17, curved machine cover; 18, arc baffle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model examples. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The following is an embodiment of a flexible broad bean threshing machine provided by the utility model, which can solve the above technical problems.

[0023] Please refer to Figure 1 and Figure 2 , wherein, Figure 1 is a whole structure schematic view of the flexible broad bean threshing machine, Figure 2 is an internal structure schematic view of the flexible broad bean threshing machine.

[0024] An embodiment of the flexible broad bean threshing machine provided by the utility model is as follows: a flexible broad bean threshing machine, comprising a machine box 5, a rack 10, a threshing cylinder 13, a concave screen 14, a vibrating screen 3, a feeding port 6, a straw discharge port 7 and a motor 1, the rack 10 is provided with the machine box 5 at the top, the rack 10 is provided with the motor 1 at the bottom, the machine box 5 is provided with the threshing cylinder 13 and the concave screen 14 at the inner side; further comprising an automatic adjusting device 15, the automatic adjusting device 15 is arranged below two support surfaces of the concave screen 14 and is fixed on two rods at the top of the rack 10, a middle connecting rod of the rack 10 supports four legs of the vibrating screen 3 through damping springs 2, the left side of a curved cover 17 of the machine box 5 is connected with the feeding port 6, and the right side of the bottom of the machine box 5 is connected with the straw discharge port 7, the flexible broad bean threshing machine is designed as three layers, so that the occupied space of the whole machine can be reduced, and operation is facilitated.

[0025] Please refer to Figure 3 , Figure 3 is a schematic view of the automatic adjusting device, and the automatic adjusting device will be described as follows:

[0026] In the embodiment, the automatic adjusting device 15 comprises adjusting springs 1501, adjusting nuts 1502, concave screen gaskets 1503 and bases 1504, the automatic adjusting device 15 is fixed on two rods at the top of the rack 10, the base 1504 is composed of two mutually parallel guide rods with threads at the top and is fixed on a base plate, and the threaded parts are matched with the adjusting nuts 1502, the adjusting springs 1501 pass through the two guide rods to support the concave screen gaskets 1503 and the concave screen 14, the automatic adjusting device 15 can move the concave screen 14 downward according to the pressure of broad beans in the machine box 5 during threshing, so that the broad beans are protected from being broken, and the adjusting nuts 1502 can manually adjust the concave screen 14 to a suitable position before threshing, so that the threshing efficiency is higher.

[0027] Please refer to Figure 1 , the following describes the vibrating screen:

[0028] In this embodiment, the vibrating screen 3 is horizontally fixed in the middle position by 7 fixed clamps 4, so that it is divided into two layers, and the upper layer is longer than the lower layer on the right side of the discharge port 9. The vibrating screen 3 is installed with a left high right low and a vibrating motor 12 at the bottom center, which can move the degerminated broad beans from left to right while screening the pod residues.

[0029] Please refer to Figure 4 , Figure 4 is a schematic view of the inner side of the curved cover of the case, and the following describes the arc baffle:

[0030] In this embodiment, the inner side of the curved cover 17 is provided with four arc baffles 18 with a spiral angle of 10°, which can make the broad beans stay in the case 5 for enough time.

[0031] Please refer to Figure 2 , the following describes the degerminating cylinder:

[0032] In this embodiment, the three-arc segment plate teeth 16 on the surface of the degerminating cylinder 13 are arranged in the form of axial equidistance and circumferential misplacement. The left 4 / 5 shaft segment of the degerminating cylinder 13 is wrapped by the concave plate screen 14, and the right 1 / 5 shaft segment is provided with the straw discharge port 7. The three-arc segment plate teeth 16 are 22 in total and arranged in four rows. The left 4 / 5 shaft segment of the degerminating cylinder 13 is arranged at an angle of 30° relative to the cylinder shaft, and the right 1 / 5 shaft segment is arranged at an angle of 0° relative to the cylinder shaft. In this way, the broad beans can be moved from the straw discharge port 7 while degerminating, and the degerminated broad bean stalks are finally discharged from the case.

[0033] The working principle of the preferred embodiment of the broad bean flexible degerminator is as follows:

[0034] When the user uses the flexible broad bean threshing machine to thresh, first, the power supply of the motor 1 and the vibration motor 12 is connected, the controller is used to adjust the motor 1 to the appropriate rotating speed, and the vibration motor 12 is adjusted to the appropriate vibration frequency, then the dried broad beans with straws are put into the feeding port 6 at a uniform speed, the broad beans contacting the threshing cylinder 13 are hit to thresh, the three-arc segment plate teeth 16 with a 30° angle with the cylinder shaft axially transport the broad beans, the broad beans are slowly moved to the straw discharging port 7 by the blocking of the arc-shaped baffle 18 in the inner side of the curved cover 17, the broad beans and straws are finally moved to the right straw discharging port 7, the three-arc segment plate teeth 16 with a 0° angle with the cylinder shaft drive the broad beans and straws out of the machine box 5, if the feeding amount of the broad beans is too large to cause the broad beans to be seriously pressed, the adjusting spring 1501 in the automatic adjusting device 15 is compressed, the concave sieve 14 is moved downward to protect the broad beans from being damaged, the threshed broad beans and broken straws fall from the concave sieve 14 to the vibration sieve 3, under the high-frequency vibration, the broad beans fall into the collecting container from the right upper layer discharging port 9 of the vibration sieve 3, the broken straws are screened from the right lower layer screening port 11 of the vibration sieve 3, and the threshing is finally completed.

[0035] In this way, the whole process of the flexible broad bean threshing is completed.

[0036] The preferred embodiments disclosed above are only for clearly explaining the utility model. The preferred embodiments do not describe all the details, and do not limit the utility model to the specific embodiments. Obviously, for ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. It is unnecessary and impossible to enumerate all the embodiments. The embodiments selected and specifically described in the specification are for better explaining the principles and practical applications of the utility model, so that the skilled persons in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole protection scope and equivalents.

Claims

1. A flexible broad bean thresher, comprising a machine box (5), a machine frame (10), a threshing cylinder (13), a concave screen (14), a vibrating screen (3), a feeding port (6), a straw discharge port (7), a motor (1), the uppermost layer of the machine frame (10) is provided with the machine box (5), the lowermost layer of the machine frame (10) is provided with the motor (1), the inner side of the machine box (5) is provided with the threshing cylinder (13) and the concave screen (14), characterized in that: It also includes automatic adjusting device (15), the automatic adjusting device (15) is equipped with two support surface below concave screen (14) and is fixed on the uppermost two rods of frame (10), the middle connecting rod of frame (10) is supported four legs of vibrating screen (3) by shock absorbing spring (2), the left side of the upper surface of curved surface machine cover (17) of case (5) is connected with feeding port (6), the right side of the bottom of case (5) is connected with grass discharge port (7).

2. A flexible broad bean threshing machine as claimed in claim 1, characterized in that: The automatic adjusting device (15) includes adjusting spring (1501), adjusting nut (1502), concave screen gasket (1503), base (1504), the automatic adjusting device (15) is four respectively fixed on the uppermost front and rear two rods of frame (10).

3. A flexible broad bean threshing machine according to claim 2, characterised in that: The base (1504) is composed of two top threaded guide rods fixed on a bottom plate, and the threaded part is matched with the adjusting nut (1502), the adjusting spring (1501) supports the concave screen gasket (1503) and the concave screen (14) through the two guide rods.

4. A flexible broad bean threshing machine as claimed in claim 1, wherein: The vibrating screen (3) is horizontally fixed in the middle position by seven fixed clamps (4), which is divided into two layers, and the upper right discharge port (9) is longer than the lower right screening port (11), the vibrating screen (3) is installed left high right low and the bottom center is equipped with vibration motor (12).

5. A flexible broad bean threshing machine as claimed in claim 1, wherein: The inner side of the curved surface machine cover (17) is provided with four arc baffles (18) with a spiral angle of 10°.

6. A flexible broad bean threshing machine as claimed in claim 1, characterized in that: The three-arc segment plate teeth (16) on the surface of the threshing cylinder (13) are arranged in the form of axial equidistance and circumferential misplacement, the left 4 / 5 shaft segment of the threshing cylinder (13) is wrapped by the concave screen (14), and the right 1 / 5 shaft segment is equipped with the grass discharge port (7).

7. A flexible broad bean threshing machine according to claim 6, characterised in that: The three-arc segment plate teeth (16) are 22 arranged in 4 rows, and the left 4 / 5 shaft segment of the threshing cylinder (13) is arranged at an angle of 30° relative to the cylinder shaft, and the right 1 / 5 shaft segment is arranged at an angle of 0° relative to the cylinder shaft.

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