Double-vibration self-shaking type grain classificator

Abstract

The utility model relates to the technical field of grain classifiers, and discloses a double-vibration self-shaking type grain classificator which comprises a rack and further comprises a grain shaking frame, a flat vibration frame and a rotary screen drum, a vertical vibration generating part is installed on the rack, the grain shaking frame is driven by the vertical vibration generating part and vibrates in the vertical direction, the flat vibration frame is connected with the grain shaking frame, and the inner wall of the flat vibration frame is rotationally connected with the rotary screen drum. A plurality of sets of screening holes distributed in a circumferential array mode are formed in the rotary screen drum, an adjusting drum is rotationally connected to the inner wall of the rotary screen drum, blocking strips are installed at the positions, corresponding to the screening holes, of the inner wall of the adjusting drum, and an angle adjusting part and a flat vibration generating part are installed between the rotary screen drum and the adjusting drum. The driving device is used for driving the rotary screen drum to rotate and simultaneously driving the rotary screen drum to reciprocate in the axis direction of the rotary screen drum. Through bidirectional vibration of the screening mechanism, the filtering efficiency of grains through the screening holes is effectively improved, and the blocking rate of the screening holes is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain selecting machine technical field more specifically, the utility model relates to double vibration self-shaking type grain selecting machine. BACKGROUND

[0002] Grain selecting machine is a kind of for the grain processing process, accurately screen grain, the auxiliary device that large particle impurities in grain is screened off.

[0003] In prior art, the patent file with the publication number CN218610323U discloses a kind of multistage grain selecting machine, including working tank, the both sides of the inner chamber of working tank are fixedly installed with guard plate, the top of the inner side of guard plate is equipped with chute, the inner chamber of chute is movably installed with sliding block, the inner side of sliding block is fixedly installed with first screen, the both sides of the inner chamber top of working tank are fixedly installed with vibration motor, the bottom of vibration motor is fixedly connected with connecting shaft, connecting shaft is movably connected with first screen, the above-mentioned device can effectively drive connecting shaft and first screen to carry out first stage vibration screening by vibration motor operation, but the above-mentioned screening machine is not convenient to realize the adjustment of the aperture of screening device when carrying out screening operation, on the other hand, it is not convenient to improve the screening efficiency of grain and reduce the plugging rate of screening mechanism by the bidirectional vibration of screening mechanism, simultaneously, existing device is not convenient to realize the rapid unblocking of screen hole by the adjustment of screen hole aperture, based on this, the utility model provides double vibration self-shaking type grain selecting machine to solve the technical problems proposed in the above background art. UTILITARIAN CONTENT

[0004] In order to overcome the deficiencies of prior art, the utility model provides double vibration self-shaking type grain selecting machine, the utility model occurs by the bidirectional vibration of screening mechanism, to effectively improve the filtering efficiency of grain via screening hole and reduce the plugging rate of screening hole.

[0005] To achieve the above object, the utility model provides the following technical scheme: double vibration self-shaking type grain selecting machine, including rack, still including:

[0006] Shake grain frame, vertical vibration generating component is installed on the rack, and the shake grain frame is driven and generates vertical vibration by vertical vibration generating component;

[0007] Horizontal vibration frame is connected with shake grain frame, the inner wall of horizontal vibration frame is rotatably connected with spin screen cylinder, a plurality of groups of screening holes are arranged in circumferential array on the spin screen cylinder, angle adjusting piece is installed between spin screen cylinder and adjusting cylinder;

[0008] The horizontal vibration generating component is used for driving the rotary screen drum to rotate and simultaneously driving the rotary screen drum to reciprocate along the axis direction of the rotary screen drum.

[0009] As a preferred technical scheme of the utility model, the vertical vibration generating component comprises a vibration excitation motor installed on the bottom surface of the frame, two symmetrical shock-absorbing supports are installed on the bottom surface of the frame, a foot wheel is arranged at the bottom of each shock-absorbing support, and a set of electric push rods are installed between the frame and the grain shaking frame.

[0010] As a preferred technical scheme of the utility model, the angle adjusting member comprises a transmission worm connected to the rotary screen drum, the axis of the transmission worm is perpendicular to the axis of the rotary screen drum, an angle locking gear ring is fixedly installed on the adjusting cylinder, the transmission worm is in transmission connection with the angle locking gear ring, an end of the transmission worm is fixedly provided with a rotating knob, and a scale mark matched with the rotating knob is fixedly arranged on the adjusting cylinder.

[0011] As a preferred technical scheme of the utility model, the horizontal vibration generating component comprises a driving motor installed on the grain shaking frame, a driving shaft rotatably connected to the grain shaking frame, a first bevel gear is installed on the output shaft end of the driving motor and the driving shaft, the two first bevel gears are in meshing connection with each other, a set of half-toothed gears are installed on the driving shaft, a horizontal vibration gear plate is installed on the horizontal vibration frame, the half-toothed gears are in transmission connection with the horizontal vibration gear plate, and a set of elastic reset members are installed between the horizontal vibration frame and the grain shaking frame.

[0012] As a preferred technical scheme of the utility model, the horizontal vibration generating component further comprises a sliding shaft and a differential shaft rotatably connected to the grain shaking frame, a second bevel gear is installed on the differential shaft, the second bevel gear is in transmission connection with the first bevel gear on the driving shaft, the differential shaft is in transmission connection with the sliding shaft through a chain belt, a hollow shaft is rotatably connected to the inner wall of the horizontal vibration frame, a connecting groove with two open ends and in sliding connection with the sliding shaft is fixedly arranged in the hollow shaft, the cross sections of the connecting groove and the sliding shaft are regular polygons, a driving gear is installed on the hollow shaft, and a driven gear ring meshing with the driving gear is installed on the rotary screen drum.

[0013] As a preferred technical scheme of the utility model, a material collecting box is installed on the bottom surface of the horizontal vibration frame and corresponds to the position directly below the rotary screen drum, the top end and the bottom end of the material collecting box are open, a feeding box is installed on the frame, and a feeding nozzle in adaptive communication with the adjusting cylinder is installed on the bottom surface of the feeding box.

[0014] As a preferred technical scheme of the utility model, the screening hole is a square hole, and the adjusting cylinder and the rotary screen drum are both hollow cylindrical structures with two open ends.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1、The utility model discloses a work, through the setting of transmission worm and angle locking gear, the relative angle between adjusting cylinder and rotary screen cylinder can be limited, the relative angle between adjusting cylinder and rotary screen cylinder is adjusted, thereby the shielding area of baffle to screening hole is adjusted, the shielding area of baffle to screening hole is adjusted, thereby the aperture size of screening hole during work is adjusted, the realization of the aperture size of screening hole during work is adjusted, thereby effectively increase the applicable scene of the machine.

[0017] 2、The utility model discloses a grain fine selection operation, the vibration excitation motor is with set power output speed, vibration excitation motor output speed is through the cooperation with the damping support to make the frame and the grain shaking frame vibrate in the vertical direction, simultaneously drive motor works, through the setting of a group of elastic reset piece, half tooth gear and flat vibration tooth plate, thereby drive flat vibration frame can reciprocating flatly along the axial direction of rotary screen cylinder, and rotary screen cylinder reciprocating flatly along its axial direction can also rotate, through the above-mentioned two -way vibration of screening mechanism, the filtering efficiency of grain through screening hole is effectively improved and the plugging rate of screening hole is reduced.

[0018] 3、The utility model discloses a machine when using, through the setting of transmission worm, make baffle and screening hole misplacement setting, baffle and screening hole misplacement setting, thereby make the aperture of screening hole adjust maximum, the aperture of screening hole adjust maximum, rotary screen cylinder centrifugal rotation, thereby the grain that blocks in screening hole is automatically discharged, through the realization of above-mentioned technical effect, thereby make the machine have the function of quick unblocking. ACCURATE DRAWING

[0019] Figure 1 It is the structure schematic diagram of the utility model double -vibration self -shaking grain fine selection machine;

[0020] Figure 2 It is the structure schematic diagram of the utility model Figure 1 It is the local enlarged structure schematic diagram of the utility model A place;

[0021] Figure 3 It is the local enlarged structure schematic diagram of the utility model B place; Figure 1

[0022] Figure 4 It is the structure schematic diagram of another angle of view of the utility model; Figure 1

[0023] Figure 5 It is the cross -section structure schematic diagram of rotary screen cylinder and adjusting cylinder of the utility model;

[0024] Figure 6 It is the front view structure schematic diagram of the utility model Figure 1 .

[0025] ​​In the figure: 1, rack; 2, grain shaking frame; 3, flat vibration frame; 4, rotary screen cylinder; 5, screening hole; 6, adjusting cylinder; 7, blocking strip; 8, excitation motor; 9, shock absorbing support; 10, electric push rod; 11, transmission worm; 12, angle locking gear ring; 13, drive motor; 14, driving shaft; 15, half-tooth gear; 16, flat vibration tooth plate; 17, elastic reset member; 18, sliding shaft; 19, differential shaft; 20, hollow shaft; 21, driving gear; 22, driven gear ring; 23, material collecting box; 24, feeding box. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As Figures 1 to 6 shown in the utility model provides double vibration self-shaking grain fine selecting machine, including rack 1, the rack 1 is installed with feeding box 24, the bottom surface of feeding box 24 is installed with the feeding nozzle that is adapted to communicate with adjusting cylinder 6, still including:

[0028] Grain shaking frame 2, the rack 1 is installed with vertical vibration generating component, and grain shaking frame 2 is driven and generates vertical vibration by vertical vibration generating component;

[0029] Vertical vibration generating component includes excitation motor 8 installed on the bottom surface of rack 1, and the bottom surface of rack 1 is installed with two symmetrically arranged shock absorbing supports 9, the bottom of each shock absorbing support 9 is provided with a trundle, and a group of electric push rods 10 are installed between the rack 1 and the grain shaking frame 2;

[0030] Before grain fine selecting operation, a group of electric push rods 10 are arranged, so that the adjusting cylinder 6 and the rotary screen cylinder 4 are kept at a set angle with the horizontal plane, and the angle of the adjusting cylinder 6 and the rotary screen cylinder 4 is kept, so that the grain to be screened can flow in the rotary screen cylinder 4;

[0031] During grain fine selecting operation, the excitation motor 8 outputs a set power output speed, and the excitation motor 8 outputs the speed through cooperation with the shock absorbing support 9, so that the rack 1 and the grain shaking frame 2 vibrate vertically;

[0032] Flat vibration frame 3 is connected with the grain shaking frame 2, and the inner wall of the flat vibration frame 3 is rotatably connected with the rotary screen cylinder 4, a plurality of groups of screening holes 5 are arranged in a circumferential array on the rotary screen cylinder 4, and the screening holes 5 are square holes;

[0033] A collecting box 23 is installed on the bottom surface of the flat vibration frame 3 and corresponds to the position directly below the screening cylinder 4, and the top end and the bottom end of the collecting box 23 are both open;

[0034] The inner wall of the screening cylinder 4 is rotationally connected with an adjusting cylinder 6;

[0035] The adjusting cylinder 6 and the screening cylinder 4 are both hollow cylinder structures with both ends open;

[0036] The inner wall of the adjusting cylinder 6 and the positions corresponding to each group of screening holes 5 are both installed with a blocking strip 7, and an angle adjusting member is installed between the screening cylinder 4 and the adjusting cylinder 6;

[0037] The angle adjusting member includes a transmission worm 11 rotationally connected to the screening cylinder 4, the axis of the transmission worm 11 is perpendicular to the axis of the screening cylinder 4, the adjusting cylinder 6 is fixedly installed with a lock angle gear ring 12, the transmission worm 11 is in transmission connection with the lock angle gear ring 12, the end of the transmission worm 11 is fixedly provided with a rotating knob, and the adjusting cylinder 6 is fixedly provided with a scale mark matched with the rotating knob;

[0038] During work, the relative angle between the adjusting cylinder 6 and the screening cylinder 4 can be limited through the setting of the transmission worm 11 and the lock angle gear ring 12, the relative angle between the adjusting cylinder 6 and the screening cylinder 4 is adjusted, so as to adjust the shielding area of the blocking strip 7 to the screening hole 5, the size of the aperture of the screening hole 5 during work is adjusted through the adjustment of the shielding area of the blocking strip 7 to the screening hole 5, and the size of the aperture of the screening hole 5 during work is adjusted through the realization of the adjustable function, so as to effectively increase the applicable scenarios of the fine selection machine;

[0039] When the fine selection machine is used up, the blocking strip 7 and the screening hole 5 are set in dislocation through the setting of the transmission worm 11, the aperture of the screening hole 5 is adjusted to be the largest after the blocking strip 7 and the screening hole 5 are set in dislocation, the screening cylinder 4 is centrifugally rotated, and then the grain blocked in the screening hole 5 is automatically discharged, and the fine selection machine has the quick unblocking function through the realization of the above technical effects;

[0040] The flat vibration generating component is used for driving the screening cylinder 4 to rotate and simultaneously driving the screening cylinder 4 to reciprocate along the axis direction of the screening cylinder 4.

[0041] The flat vibration generating component includes a driving motor 13 installed on the grain shaking frame 2, a driving shaft 14 rotationally connected to the grain shaking frame 2, a first bevel gear is installed on the output shaft end of the driving motor 13 and the driving shaft 14, and the two first bevel gears are in meshing with each other;

[0042] A group of half-toothed gears 15 are installed on the driving shaft 14, a flat vibration tooth plate 16 is installed on the flat vibration frame 3, the group of half-toothed gears 15 are in transmission connection with the flat vibration tooth plate 16, and a group of elastic return members 17 are installed between the flat vibration frame 3 and the grain shaking frame 2;

[0043] When the driving motor 13 works, the flat vibration frame 3 can move reciprocatingly along the axial direction of the rotating screen cylinder 4 and the rotating screen cylinder 4 can rotate when moving reciprocatingly along the axial direction, so as to effectively improve the filtering efficiency of the grain through the screening hole 5.

[0044] The flat vibration generating part further comprises a sliding shaft 18 and a differential shaft 19 which are rotationally connected to the grain shaking frame 2, the differential shaft 19 is provided with a second bevel gear, the second bevel gear is in transmission connection with the first bevel gear on the driving shaft 14, the differential shaft 19 is in transmission connection with the sliding shaft 18 through a chain belt, the inner wall of the flat vibration frame 3 is rotationally connected with a hollow shaft 20, the hollow shaft 20 is internally provided with a connecting groove which is open at both ends and is in sliding connection with the sliding shaft 18, the cross sections of the connecting groove and the sliding shaft 18 are regular polygons, the hollow shaft 20 is provided with a driving gear 21, and the rotating screen cylinder 4 is provided with a driven gear ring 22 which is in meshing connection with the driving gear 21.

[0045] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0046] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Double-shake self-rattling grain cleaner comprising a frame (1), characterized in that, Also include: Shake grain frame (2), the rack (1) is installed on the vertical vibration generating component, the shake grain frame (2) is driven and generates vertical vibration by vertical vibration generating component; Flat vibration frame (3) is connected with shake grain frame (2), the inner wall of flat vibration frame (3) is rotatably connected with rotating screen cylinder (4), a plurality of groups of screening holes (5) are arranged in circumferential array on rotating screen cylinder (4), the inner wall of adjusting cylinder (6) is rotatably connected with rotating screen cylinder (4), the inner wall of adjusting cylinder (6) is rotatably connected with rotating screen cylinder (4), and the position corresponding to each group of screening holes (5) is rotatably connected with rotating screen cylinder (4); Angle adjusting member is installed between rotating screen cylinder (4) and adjusting cylinder (6). Flat vibration generating component is used for driving rotating screen cylinder (4) to rotate and driving rotating screen cylinder (4) to reciprocate along the axis direction of rotating screen cylinder (4).

2. The dual-shake self-rattling grain cleaner according to claim 1, characterized in that: The vertical vibration generating component includes a vibration motor (8) mounted on the bottom surface of the rack (1), two symmetrically arranged damping supports (9) are mounted on the bottom surface of the rack (1), a foot wheel is arranged on the bottom of each damping support (9), and a group of electric push rods (10) are mounted between the rack (1) and the shake grain frame (2).

3. The dual-vibration self-rattling grain cleaner according to claim 1, characterized in that: The angle adjusting member includes a transmission worm (11) rotatably connected to the rotating screen cylinder (4), the axis of the transmission worm (11) is perpendicular to the axis of the rotating screen cylinder (4), the adjusting cylinder (6) is fixedly installed with a lock angle gear ring (12), the transmission worm (11) is in transmission connection with the lock angle gear ring (12), the end of the transmission worm (11) is fixedly provided with a rotating wrench, and the adjusting cylinder (6) is fixedly provided with a scale mark matched with the rotating wrench.

4. The dual-vibration self-rattling grain cleaner according to claim 1, characterized in that: The flat vibration generating component includes a drive motor (13) mounted on the shake grain frame (2), a driving shaft (14) rotatably connected to the shake grain frame (2), a first bevel gear is mounted on the output shaft end of the drive motor (13) and the driving shaft (14), the two first bevel gears are in meshing with each other, a group of half-tooth gears (15) are mounted on the driving shaft (14), a flat vibration gear plate (16) is mounted on the flat vibration frame (3), a group of half-tooth gears (15) are in transmission connection with the flat vibration gear plate (16), and a group of elastic return members (17) are mounted between the flat vibration frame (3) and the shake grain frame (2).

5. The dual-vibration self-rattling grain cleaner according to claim 4, characterized in that: The flat vibration generating component further includes a sliding shaft (18) and a differential shaft (19) rotatably connected to the shake grain frame (2), a second bevel gear is mounted on the differential shaft (19), the second bevel gear is in transmission connection with the first bevel gear on the driving shaft (14), the differential shaft (19) is in transmission connection with the sliding shaft (18) through a chain belt, a hollow shaft (20) is rotatably connected to the inner wall of the flat vibration frame (3), a connecting groove with two open ends and in sliding connection with the sliding shaft (18) is fixedly arranged in the hollow shaft (20), the cross sections of the connecting groove and the sliding shaft (18) are regular polygons, a driving gear (21) is mounted on the hollow shaft (20), and a driven gear ring (22) engaged with the driving gear (21) is mounted on the rotating screen cylinder (4).

6. The dual-vibration self-rattling grain cleaner according to claim 1, characterized in that: The bottom surface of the flat vibrating frame (3) is provided with a material collecting box (23) below the screen drum (4), the top and bottom ends of the material collecting box (23) are open, and the frame (1) is provided with a feeding box (24), the bottom surface of the feeding box (24) is provided with a feeding nozzle in communication with the adjusting cylinder (6).

7. The dual-vibration self-rattling grain cleaner according to claim 1, characterized in that: The screening hole (5) is a square hole, and the adjusting cylinder (6) and the screen drum (4) are both hollow cylinder structures with open ends.

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