Vibrating screening device for separating hickory shells and hickory kernels

Abstract

The utility model discloses a vibratory screening device for separating hickory shells and kernels, which comprises a base, a support plate slidably arranged on the base, and a screen slidably arranged on the support plate, the vibratory screening device is provided with a driving component and a reciprocating component, and the driving component and the reciprocating component share one power source, so that the cost is saved; carya cathayensis kernels and shells after shells are ground are poured into a screen together, a motor is started, the motor controls a cam to rotate, the cam controls the screen abutting against the cam to vibrate the shells and the kernels up and down, and when the motor controls the cam to rotate, a first bevel gear coaxially and fixedly connected with an output shaft of the motor rotates; when screening is carried out, a second bevel gear meshed with the first bevel gear rotates, a lead screw fixedly connected to the second bevel gear rotates, a movable block in threaded connection with the lead screw moves, the movable block drives a screen and a supporting plate to jointly slide on a base in a reciprocating mode, the possibility that the screen is clamped during screening is reduced, and the screening speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of walnut shell and kernel separation, in particular to a vibration screening device for separating walnut shell and kernel. Background Art

[0002] Walnut shelling and shell-kernel separation are the basis for walnut deep processing. Shell-kernel separation is an important step in the primary processing of walnuts. Its separation effect directly affects the loss rate and impurity rate of walnut kernels, thus affecting the improvement of walnut economic value.

[0003] In the existing technology of shell-kernel separation, vibration screening or shaking screening is used to promote shell-kernel separation. However, when only one screening method is used, the screening process is slow and the screening result is not ideal. In addition, using more than one screening method requires an additional power source, which is costly. Utility Model Content

[0004] The utility model aims to solve the problems raised in the background technology and proposes a vibration screening device for separating pecan shell kernels.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a vibrating screening device for separating pecan kernels and shells, comprising a base, a support plate slidably arranged on the base, a screen slidably arranged on the support plate, a driving component for controlling the up and down vibration of the screen fixedly arranged on the base, and the output end of the driving component abuts against the screen.

[0006] The driving assembly includes a motor and a cam, the cam is coaxially fixed on the output shaft of the motor, the output shaft of the motor is also connected to a reciprocating assembly for controlling the horizontal sliding of the screen and the support plate, the output end of the reciprocating assembly is connected to a toggle unit, and the toggle unit is fixedly connected to the screen.

[0007] Preferably, the motor is fixedly arranged on the base, the cam is in contact with the screen, a fixed seat is fixedly arranged on the base, a rotating rod is rotatably connected to the fixed seat, four cams are arranged, two of which are coaxially fixedly arranged on the output shaft of the motor, and the other two are coaxially fixedly arranged on the rotating rod, and the driving assembly also includes a belt, and the output shaft of the motor and the rotating rod are connected by the belt.

[0008] Preferably, the reciprocating component includes bevel gear 1, bevel gear 2 and a screw, the bevel gears are coaxially fixed on the output shaft of the motor, the bevel gear 2 is rotatably set on the base, the bevel gear 1 is meshed with the bevel gear 2, the screw is coaxially fixed on the bevel gear 2, and the toggle unit is threadedly connected to the screw.

[0009] Preferably, a rocker arm is fixedly mounted on the output shaft and the rotating rod of the motor, a slide groove is provided on the screen, a spreading plate is slidably arranged in the slide groove, a spring is fixedly connected to the spreading plate, one end of the spring away from the spreading plate is fixedly connected to the screen, and the rocker arm cooperates with the spreading plate.

[0010] Preferably, the shifting unit comprises a moving block, a telescopic rod and a shifting rod, the moving block is threadedly connected to the screw rod, the moving block and the shifting rod are fixedly connected via the telescopic rod, and the shifting rod is fixedly connected to the screen.

[0011] Preferably, a receiving box is fixedly provided on the base, the receiving box is arranged at the bottom of the screen, and the receiving box cooperates with the screen.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a driving assembly and a reciprocating assembly, and the driving assembly and the reciprocating assembly share a power source, which saves costs. The pecan kernels and the shells after the shells are crushed are poured onto the screen together, and the motor is started. The motor controls the rotation of the cam, so that the cam controls the screen abutting against the cam to vibrate up and down to screen the shells and kernels. When the motor controls the rotation of the cam, the bevel gear 1 coaxially fixedly connected to the motor output shaft rotates, so that the bevel gear 2 meshing with the bevel gear 1 rotates, and the two screw rods fixedly connected on the bevel gear rotate, and the moving block threadably connected with the screw rod moves, and the moving block drives the screen and the support plate to slide back and forth on the base together, so as to better separate the kernels and the cores, reduce the possibility of the screen being stuck during screening, and speed up the screening speed.

[0014] 2. The utility model is provided with a swing rod and a spreading plate. When the motor drives the swing rod to rotate, the swing rod swings and contacts the spreading plate, pushing the spreading plate to slide on the screen. There is a distance between the bottom surface of the spreading plate and the screen. The height of this section is the height of the pecans added to the screen after being flattened, which helps to flatten the pecan pieces and speed up the screening process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of a vibration screening device for separating pecan kernels from shells of the utility model;

[0017] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 3 The utility model is a schematic diagram of the structure of a toggle unit of a vibration screening device for separating pecan kernels from shells.

[0019] In the figure:

[0020] 1. Base; 2. Support plate; 3. Screen; 4. Motor; 5. Cam; 6. Toggle unit; 7. Fixed seat; 8. Rotating rod; 9. Belt; 10. Bevel gear 1; 11. Bevel gear 2; 12. Screw rod; 13. Rocker rod; 14. Spreading plate; 15. Moving block; 16. Telescopic rod; 17. Toggle rod; 18. Receiver box; 19. Spring. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-3 As shown, a vibrating screening device for separating pecan kernels from shells includes a base 1, a support plate 2 is slidably provided on the base 1, a screen 3 is slidably provided on the support plate 2, a driving component for controlling the up and down vibration of the screen 3 is fixedly provided on the base 1, and the output end of the driving component abuts against the screen 3.

[0024] The driving assembly includes a motor 4 and a cam 5. The cam 5 is coaxially fixed on the output shaft of the motor 4. The motor 4 is fixed on the base 1. The cam 5 abuts against the screen 3. A fixing seat 7 is fixed on the base 1. A rotating rod 8 is rotatably connected to the fixing seat 7. Four cams 5 are arranged, and the four cams 5 are exactly the same in shape and size. Two of them are coaxially fixed on the output shaft of the motor 4, and the other two are coaxially fixed on the rotating rod 8. The driving assembly also includes a belt 9. The output shaft of the motor 4 and the rotating rod 8 are connected by the belt 9. When the motor 4 is started, the two cams 5 fixedly connected to the output shaft of the motor 4 rotate, and at the same time, the output shaft of the motor 4 is connected to the rotating rod 8 by the belt 9, then the cam 5 on the rotating rod 8 also rotates, and the four cams 5 rotate together to control the screen 3 abutting against the cam 5 to vibrate up and down, thereby realizing the vibration screening of pecan shells and kernels.

[0025] Example 2

[0026] See also Figure 1-3As shown, the output shaft of the motor 4 is also connected to a reciprocating assembly for controlling the horizontal sliding of the screen 3 and the support plate 2, and the output end of the reciprocating assembly is connected to a toggle unit 6, which is fixedly connected to the screen 3. The reciprocating assembly includes a bevel gear 10, a bevel gear 2 11 and a screw 12. The bevel gear 10 is coaxially fixed on the output shaft of the motor 4, and the bevel gear 2 11 is rotatably set on the base 1. The bevel gear 10 is meshed with the bevel gear 2 11, and the screw 12 is coaxially fixed on the bevel gear 2 11. The toggle unit 6 is threadedly connected to the screw 12. When the motor 4 is started, the bevel gear 10 fixedly connected to the output shaft of the motor 4 rotates, driving the bevel gear 2 11 to rotate, so that the screw 12 fixedly connected to the bevel gear 2 11 rotates, and the moving block 15 threadedly connected to the screw 12 moves, and the movement of the moving block 15 drives the toggle rod 17 to move, and the toggle rod 17 drives the screen 3 and the support plate 2 to slide together on the base 1.

[0027] A rocker arm 13 is fixedly mounted on the output shaft of the motor 4 and the rotating rod 8. A slide groove is provided on the screen 3. A spreading plate 14 is slidably arranged in the slide groove. A spring 19 is fixedly connected to the spreading plate 14. One end of the spring 19 away from the spreading plate 14 is fixedly connected to the screen 3. The rocker arm 13 cooperates with the spreading plate 14. The spring 19 is used to reset the spreading plate 14, so that each time the rocker arm 13 rotates until it is no longer in contact with the spreading plate 14, the spreading plate 14 can slide back to its initial position to achieve the next cooperation with the rocker arm 13.

[0028] The toggle unit 6 includes a moving block 15, a telescopic rod 16 and a toggle rod 17. The moving block 15 is threadedly connected to the screw rod 12. The moving block 15 and the toggle rod 17 are fixedly connected via the telescopic rod 16. The telescopic rod 16 is arranged between the moving block 15 and the toggle rod 17 so that the toggle unit 6 can always cooperate with the screen 3 when the screen 3 vibrates up and down. The toggle rod 17 is fixedly connected to the screen 3.

[0029] A receiving box 18 is fixedly provided on the base 1 , and the receiving box 18 is used to receive the kernels screened by the screen 3 , and the receiving box 18 is arranged between the rotating rod 8 and the output shaft of the motor 4 , and the receiving box 18 is arranged at the bottom of the screen 3 , and the receiving box 18 cooperates with the screen 3 .

[0030] When the utility model is in use, the pecan kernels and shells after the shells are crushed are poured onto the screen 3 together, the motor 4 is started, and the motor 4 controls the cam 5 to rotate, so that the cam 5 controls the screen 3 abutting against the cam 5 to vibrate up and down to screen the shells and kernels. When the motor 4 controls the cam 5 to rotate, the bevel gear 10 coaxially fixedly connected to the output shaft of the motor 4 rotates, so that the bevel gear 2 11 meshing with the bevel gear 10 rotates, and the screw rod 12 fixedly connected to the bevel gear rotates, and the moving block 15 threadedly connected with the screw rod 12 moves, and the moving block 15 drives the screen 3 and the support plate 2 to slide back and forth on the base 1 together, so as to achieve the purpose of the screen 3 sliding horizontally and vibrating up and down, so as to better separate the kernels and the cores;

[0031] When the motor 4 is started, the motor 4 controls the swing rod 13 to rotate, and the swing rod 13 swings to contact the spreading plate 14, pushing the spreading plate 14 to slide on the screen 3. There is a distance between the bottom surface of the spreading plate 14 and the screen 3. This height is the height of the pecan pieces added to the screen 3 after being flattened, which helps to quickly flatten the pecan pieces and speed up the screening speed.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A vibrating screening device for separating pecan kernels from shells, comprising a base (1), a support plate (2) slidably disposed on the base (1), a screen (3) slidably disposed on the support plate (2), and characterized in that: A driving component for controlling the up and down vibration of the screen (3) is fixedly arranged on the base (1), and an output end of the driving component abuts against the screen (3); The driving assembly comprises a motor (4) and a cam (5); the cam (5) is coaxially fixedly arranged on an output shaft of the motor (4); the output shaft of the motor (4) is also connected to a reciprocating assembly for controlling the horizontal sliding of the screen (3) and the support plate (2); the output end of the reciprocating assembly is connected to a toggle unit (6); and the toggle unit (6) is fixedly connected to the screen (3).

2. A vibrating screening device for separating pecan kernels according to claim 1, characterized in that: The motor (4) is fixedly arranged on the base (1), the cam (5) is in contact with the screen (3), a fixed seat (7) is fixedly arranged on the base (1), a rotating rod (8) is rotatably connected to the fixed seat (7), four cams (5) are arranged, two of which are coaxially fixedly arranged on the output shaft of the motor (4), and the other two are coaxially fixedly arranged on the rotating rod (8), and the driving component also includes a belt (9), and the output shaft of the motor (4) and the rotating rod (8) are connected through the belt (9).

3. A vibrating screening device for separating pecan kernels according to claim 1, characterized in that: The reciprocating assembly comprises a bevel gear 1 (10), a bevel gear 2 (11) and a screw (12); the bevel gear 1 (10) is coaxially fixedly arranged on the output shaft of the motor (4); the bevel gear 2 (11) is rotatably arranged on the base (1); the bevel gear 1 (10) is meshed with the bevel gear 2 (11); the screw (12) is coaxially fixedly arranged on the bevel gear 2 (11); and the toggle unit (6) is threadedly connected to the screw (12).

4. A vibrating screening device for separating pecan kernels from shells according to claim 1, characterized in that: A rocker arm (13) is fixedly mounted on the output shaft of the motor (4) and the rotating rod (8); a slide groove is provided on the screen (3); a spreading plate (14) is slidably arranged in the slide groove; a spring (19) is fixedly connected to the spreading plate (14); one end of the spring (19) away from the spreading plate (14) is fixedly connected to the screen (3); and the rocker arm (13) cooperates with the spreading plate (14).

5. A vibrating screening device for separating pecan kernels according to claim 3, characterized in that: The shifting unit (6) comprises a moving block (15), a telescopic rod (16) and a shifting rod (17); the moving block (15) is threadedly connected to the screw rod (12); the moving block (15) and the shifting rod (17) are fixedly connected via the telescopic rod (16); and the shifting rod (17) is fixedly connected to the screen (3).

6. A vibrating screening device for separating pecan kernels according to claim 1, characterized in that: A receiving box (18) is fixedly arranged on the base (1), and the receiving box (18) is arranged at the bottom of the screen (3), and the receiving box (18) cooperates with the screen (3).

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