Walnut specification grading and screening device

Abstract

The utility model discloses a walnut specification grading screening device which comprises a shell, a reciprocating lead screw is rotationally connected between the left inner wall and the right inner wall of the shell, three screening cavities are formed in the shell, a plurality of exhaust inlets are formed in the lower ends of a plurality of hollow plates, a fan is installed on the rear side of the shell, and a plurality of air outlets are formed in the lower ends of the hollow plates. A cleaning mechanism and a screening mechanism which are used for walnut specification grading are arranged in the shell. According to the walnut screening device, a reciprocating screw rod is driven to rotate through a transmission belt when a rotating rod rotates, then three hollow plates in threaded connection with the reciprocating screw rod drive corresponding stirring plates to reciprocate left and right, so that walnuts in three screening cavities are flatly laid on corresponding filter screens, and meanwhile, the rotating rod rotates to drive a plurality of cams to rotate; and under the cooperation of a plurality of connecting springs, a plurality of filter screens can continuously drive walnuts to vibrate, so that chippings and stones are screened out, and the overall quality of the walnuts is improved.

Description

Technical Field

[0001] The present application relates to the technical field of walnut production, and in particular to a device for grading and screening walnut specifications. Background Art

[0002] For example, the grading and screening device for walnut dried fruit production mentioned in the application number CN201721122950.7, walnuts have high medicinal value, and have the effects of strengthening the stomach, nourishing blood, moistening the lungs, nourishing the mind, and prolonging life. They can be widely used to treat neurasthenia, hypertension, coronary heart disease, emphysema, stomachache and other symptoms. In the early stage of walnut processing, walnuts of different sizes need to be graded and screened, and walnuts with similar sizes are collected and stored. Manual grading and screening consumes a lot of manpower and has poor screening effect.

[0003] The solution is that after the walnuts pass through the screening cylinder, they enter the screening chamber step by step. Under the screening of the screening holes and partitions, the walnuts are graded and screened into various sizes according to their different sizes, which saves time and labor and improves the screening efficiency.

[0004] With respect to the above-mentioned related technologies, the inventor believes that during the screening process of existing walnuts, some stones and debris will be mixed in, and these stones and debris will seriously affect the overall quality of the walnuts. The device cannot remove the stones and debris during the screening process;

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that during the screening process of existing walnuts, some stones and debris will be mixed in, which will seriously affect the overall quality of the walnuts, and the device cannot remove the stones and debris during the screening process, the present application provides a walnut specification grading and screening device.

[0007] The present application provides a walnut specification grading and screening device adopts the following technical solution:

[0008] A walnut specification grading and screening device comprises a shell, a reciprocating screw rod is rotatably connected between the left and right inner walls of the shell, three screening chambers are arranged in the shell, a plurality of threaded layers are arranged on the reciprocating screw rod, a plurality of threaded layer parts are threadedly connected with hollow plates, a plurality of air suction ports are arranged at the lower ends of the plurality of hollow plates, a fan is installed on the rear side of the shell, and a cleaning mechanism and a screening mechanism for walnut specification grading are arranged in the shell.

[0009] Preferably, the cleaning mechanism includes a guide rod fixedly connected between the left and right inner walls of the shell, the guide rod passes through multiple hollow plates and is slidably connected to the multiple hollow plates, the suction end of the fan is connected to a branch pipe, and the branch pipe is connected to the interior of the multiple hollow plates through multiple hoses.

[0010] Preferably, the screening mechanism comprises a mounting plate fixedly connected to the left side of the shell, a motor is mounted on the upper end of the mounting plate, and a filter is slidably connected between the left and right inner walls of the plurality of screening chambers.

[0011] Preferably, the end of the output shaft of the motor extends into the shell and is fixedly connected to a rotating rod, and a plurality of cams are fixedly connected to the rotating rod, and one end of the plurality of cams is always against the lower end of the corresponding filter screen, and one end of the reciprocating screw rod and the rotating rod are fixedly connected to a transmission wheel, and the two transmission wheels are connected by a transmission belt, and the lower ends of the plurality of hollow plates are fixedly connected to a toggle plate.

[0012] Preferably, a fixing plate is fixedly connected to the left and right inner walls of the plurality of screening chambers, and the upper ends of the plurality of filter screens are elastically connected to the lower ends of the corresponding fixing plates through a plurality of connecting springs.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. After the motor is started, it will drive the rotating rod to rotate. When the rotating rod rotates, the reciprocating screw rod is driven to rotate through the transmission belt, and then the three hollow plates connected to the thread drive the corresponding toggle plates to reciprocate left and right, so that the walnuts in the three screening chambers are spread on the corresponding filter screens, thereby avoiding the accumulation of walnuts and improving the screening efficiency of walnuts. At the same time, the rotation of the rotating rod will drive multiple cams to rotate. With the cooperation of multiple connecting springs, multiple filter screens will continuously drive the walnuts to vibrate, thereby screening out debris and stones, and improving the overall quality of walnuts;

[0015] 2. After the fan is started, the debris and dust raised during the screening process will be sucked into the hollow plate through multiple suction ports through the branch pipes, hoses and hollow plates, and finally enter the fan, where they will be filtered by the filter plate inside the fan and remain on the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0017] Figure 2 It is a schematic diagram of the internal structure of an embodiment of the application;

[0018] Figure 3 It is an application example Figure 2 A magnified image of point A;

[0019] Figure 4It is a schematic diagram of the cleaning component structure of an embodiment of the application.

[0020] Explanation of the accompanying drawings: 1. Shell; 2. Mounting plate; 3. Motor; 4. Transmission belt; 5. Fan; 6. Branch pipe; 7. Screening chamber; 8. Filter; 9. Hollow plate; 10. Toggle plate; 11. Hose; 12. Fixed plate; 13. Connecting spring; 14. Rotating rod; 15. Cam; 16. Guide rod; 17. Reciprocating screw; 18. Air suction port. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a walnut specification grading and screening device. Figure 2-3 A walnut specification grading and screening device comprises a shell 1, a reciprocating screw rod 17 is rotatably connected between the left and right inner walls of the shell 1, three screening chambers 7 are arranged in the shell 1, a plurality of threaded layers are arranged on the reciprocating screw rod 17, a plurality of threaded layer parts are threadedly connected with hollow plates 9, a plurality of air suction ports 18 are arranged at the lower ends of the plurality of hollow plates 9, a fan 5 is installed on the rear side of the shell 1, a cleaning mechanism and a screening mechanism for walnut specification grading are arranged in the shell 1, the three screening chambers 7 are used to screen walnuts of different sizes, and a plurality of filter plates are arranged inside the fan 5.

[0023] Reference Figure 1-3 The cleaning mechanism includes a guide rod 16 fixedly connected between the left and right inner walls of the shell 1, the guide rod 16 passes through multiple hollow plates 9 and is slidably connected to the multiple hollow plates 9, the suction end of the fan 5 is connected to a branch pipe 6, and the branch pipe 6 is connected to the interior of the multiple hollow plates 9 through multiple hoses 11.

[0024] After the fan 5 is started, the debris and dust raised during the screening process will be sucked into the hollow plate 9 through the branch pipe 6, the hose 11 and the hollow plate 9 through multiple suction ports 18, and finally enter the fan 5, be filtered by the filter plate in the fan 5, and remain on the filter plate.

[0025] Reference Figure 2-4The screening mechanism includes a mounting plate 2 fixedly connected to the left side of the shell 1, a motor 3 is installed on the upper end of the mounting plate 2, and filter screens 8 are slidably connected between the left and right inner walls of multiple screening chambers 7. The output shaft end of the motor 3 extends into the shell 1 and is fixedly connected to a rotating rod 14, and multiple cams 15 are fixedly connected to the rotating rod 14. One end of the multiple cams 15 is always against the lower end of the corresponding filter screen 8. The reciprocating screw rod 17 and one end of the rotating rod 14 are fixedly connected to a transmission wheel, and the two transmission wheels are connected by a transmission belt 4. The lower ends of multiple hollow plates 9 are fixedly connected to a toggle plate 10, and the left and right inner walls of multiple screening chambers 7 are fixedly connected to a fixed plate 12. The upper ends of multiple filter screens 8 are elastically connected to the lower ends of the corresponding fixed plates 12 through multiple connecting springs 13.

[0026] When the rotating rod 14 rotates, the reciprocating screw rod 17 is driven to rotate through the transmission belt 4, and then the three hollow plates 9 threadedly connected to it drive the corresponding toggle plates 10 to reciprocate left and right, so that the walnuts in the three screening chambers 7 are spread flat on the corresponding filter screens 8, thereby avoiding the accumulation of walnuts and improving the screening efficiency of walnuts. At the same time, the rotation of the rotating rod 14 will drive the rotation of multiple cams 15. With the cooperation of multiple connecting springs 13, the multiple filter screens 8 will continuously drive the walnuts to vibrate, thereby screening out debris and stones.

[0027] The implementation principle of the walnut specification grading and screening device of the embodiment of the present application is as follows: when in use, walnuts of different sizes are placed into the corresponding screening chamber 7, and then the motor 3 and the fan 5 are started;

[0028] After the motor 3 is started, it will drive the rotating rod 14 to rotate. When the rotating rod 14 rotates, the reciprocating screw rod 17 is driven to rotate through the transmission belt 4, so that the three hollow plates 9 threadedly connected thereto drive the corresponding toggle plates 10 to reciprocate left and right, so that the walnuts in the three screening chambers 7 are spread on the corresponding filter screens 8, thereby avoiding the accumulation of walnuts and improving the screening efficiency of walnuts. At the same time, the rotation of the rotating rod 14 will drive the multiple cams 15 to rotate. With the cooperation of the multiple connecting springs 13, the multiple filter screens 8 will continuously drive the walnuts to vibrate, thereby screening out debris and stones, and improving the overall quality of the walnuts;

[0029] The debris and stones will fall into the inner bottom of the screening chamber 7. A trash can can be placed at the bottom of the corresponding screening chamber 7 to facilitate the cleaning of the debris and stones.

[0030] In the above process, after the fan 5 is started, the debris and dust raised during the screening process will be sucked into the hollow plate 9 through the branch pipe 6, the hose 11 and the hollow plate 9 through multiple suction ports 18, and finally enter the fan 5, be filtered by the filter plate in the fan 5, and remain on the filter plate.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A walnut specification grading and screening device, comprising a housing (1), characterized in that: A reciprocating screw (17) is rotatably connected between the left and right inner walls of the shell (1), three screening chambers (7) are arranged in the shell (1), a plurality of threaded layers are arranged on the reciprocating screw (17), a plurality of threaded layers are threadedly connected to hollow plates (9), a plurality of air suction ports (18) are arranged at the lower ends of the plurality of hollow plates (9), a fan (5) is installed on the rear side of the shell (1), and a cleaning mechanism and a screening mechanism for grading walnut specifications are arranged in the shell (1).

2. A walnut specification grading and screening device according to claim 1, characterized in that: The cleaning mechanism comprises a guide rod (16) fixedly connected between the left and right inner walls of the shell (1), the guide rod (16) passing through the plurality of hollow plates (9) and being slidably connected to the plurality of hollow plates (9), the air suction end of the fan (5) being connected to a branch pipe (6), the branch pipe (6) being connected to the interior of the plurality of hollow plates (9) through a plurality of hoses (11).

3. A walnut specification grading and screening device according to claim 2, characterized in that: The screening mechanism comprises a mounting plate (2) fixedly connected to the left side of the housing (1), a motor (3) being mounted on the upper end of the mounting plate (2), and a filter screen (8) being slidably connected between the left and right inner walls of the plurality of screening chambers (7).

4. A walnut specification grading and screening device according to claim 3, characterized in that: The output shaft end of the motor (3) extends into the housing (1) and is fixedly connected to a rotating rod (14). A plurality of cams (15) are fixedly connected to the rotating rod (14). One end of the plurality of cams (15) always abuts against the lower end of the corresponding filter screen (8). One end of the reciprocating screw rod (17) and the rotating rod (14) are both fixedly connected to a transmission wheel. The two transmission wheels are connected in transmission via a transmission belt (4). The lower ends of the plurality of hollow plates (9) are all fixedly connected to a toggle plate (10).

5. A walnut specification grading and screening device according to claim 4, characterized in that: A fixing plate (12) is fixedly connected to the left and right inner walls of the plurality of screening chambers (7), and the upper ends of the plurality of filter screens (8) are elastically connected to the lower ends of the corresponding fixing plates (12) via a plurality of connecting springs (13).

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