Efficient screening device for agricultural seeds

Abstract

The utility model relates to the technical field of seed screening, and discloses an efficient agricultural seed screening device which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located in front of the main body mechanism, the main body mechanism comprises a device body, a screening frame and a screening plate, the screening frame is located above the device body, and the screening plate is located above the screening frame. The screening plate is movably mounted in the screening frame, the main body mechanism further comprises a bottom frame, a telescopic rod, a connecting rod and a positioning plate, and the bottom frame is fixedly mounted at the lower end of the screening frame. According to the efficient screening device for the agricultural seeds, by installing the main body mechanism, when the device body conducts screening work of the agricultural seeds, a worker can rapidly disassemble and assemble a screen plate through operation, the worker can replace the screen plates with different pore diameters conveniently, and therefore the requirement for screening work of the agricultural seeds with different particle sizes is met; and meanwhile, workers can conveniently overhaul and maintain the sieve plate, and the using flexibility of the device body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seed screening, in particular to a highly efficient screening device for agricultural seeds. Background Art

[0002] In the process of agricultural seed breeding, in order to improve the germination rate of agricultural seeds, agricultural seeds of different qualities need to be graded, and a screening device is needed in the agricultural seed grading process.

[0003] The existing patent document with technical publication number CN214718160U provides an efficient agricultural seed screening machine, which is convenient for adjusting the height of the feed inlet according to needs, and is convenient for achieving shock absorption and better screening effect during use.

[0004] However, when the existing agricultural seed high-efficiency screening device is in use, it is not convenient for the staff to quickly disassemble and assemble the screening components, and it is not convenient for the staff to replace the screening components with different apertures. In addition, during the long-term use of the screening device, the screening components will cause certain wear and tear. If they are not repaired or replaced in time, the screening effect of agricultural seeds will be directly affected, and the practicality is poor. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide an efficient agricultural seed screening device to solve the problem in the above-mentioned background technology that the existing efficient agricultural seed screening device is not convenient for workers to quickly disassemble and assemble the screening components when in use.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical solutions: an efficient agricultural seed screening device, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located in front of the main mechanism, the main mechanism comprises a device body, a screening frame and a screening plate, the screening frame is located above the device body, and the screening plate is movably installed inside the screening frame;

[0009] The main body mechanism also includes a base frame, a telescopic rod, a connecting rod and a positioning plate. The base frame is fixedly installed at the lower end of the screening frame, the telescopic rod is fixedly installed at the outer end of the screening frame, the connecting rod is fixedly installed at the lower end of the telescopic rod, the positioning plate is fixedly installed at the inner end of the connecting rod, the inner end of the positioning plate is located inside the screening frame, the positioning plate is movably connected to the screening frame, and the positioning plate is located at the upper end of the screening plate.

[0010] Preferably, the auxiliary mechanism includes a base plate and a shock absorber, the base plate is located below the device body, and the shock absorber is fixedly mounted on the upper end of the base plate.

[0011] Preferably, the auxiliary mechanism further comprises a bearing plate and a fixing plate, the bearing plate is fixedly mounted on the upper end of the shock absorber, the device body is located at the upper end of the bearing plate, and the fixing plate is fixedly mounted on the right end of the device body.

[0012] Preferably, the auxiliary mechanism further includes a motor and a drive shaft, wherein the motor is fixedly mounted on the upper end of the fixed plate, and the drive shaft is fixedly mounted on the transmission end of the left end of the motor.

[0013] Preferably, the auxiliary mechanism further comprises a belt and a driven disk, wherein the belt is movably mounted on the outer end of the driving shaft, and the driven disk is movably mounted on the right end of the device body, and the belt is located at the outer end of the driven disk.

[0014] Preferably, the auxiliary mechanism also includes a vibration shaft and a spring, the vibration shaft is fixedly mounted on the left end of the driven disk, the vibration shaft is located inside the device body, the spring is fixedly mounted on the upper end of the device body, and the upper end of the spring is fixedly connected to the screening frame.

[0015] Preferably, the auxiliary mechanism also includes a first collecting bucket, a material guide plate and a second collecting bucket, the first collecting bucket is fixedly mounted at the front end of the screening frame, the material guide plate is fixedly mounted inside the device body, the material guide plate is located below the vibration shaft, and the second collecting bucket is fixedly mounted at the front end of the device body.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The agricultural seed efficient screening device, by installing the main body mechanism, realizes that when the device body is performing the agricultural seed screening operation, the staff can quickly disassemble and assemble the sieve plate through operation, which is convenient for the staff to replace the sieve plates with different apertures to meet the screening operation of agricultural seeds with different particle sizes, and at the same time, it is convenient for the staff to perform maintenance operations on the sieve plate, thereby improving the flexibility of the use of the device body;

[0018] 2. The agricultural seed efficient screening device is equipped with auxiliary mechanisms so that when the device body is in use, the design of the shock absorber can buffer the vibration generated during its operation, thereby reducing the wear on the internal structure and improving the protectiveness of the device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2This is a schematic diagram of the three-dimensional structure of the main mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the auxiliary mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the enlarged structure of the local details of the belt of the utility model.

[0023] In the figure: 1. main mechanism; 101. device body; 102. screening frame; 103. sieve plate; 104. base frame; 105. telescopic rod; 106. connecting rod; 107. positioning plate; 2. auxiliary mechanism; 201. base plate; 202. shock absorber; 203. bearing plate; 204. fixing plate; 205. motor; 206. driving shaft; 207. belt; 208. driven disk; 209. vibrating shaft; 210. spring; 211. first collecting bucket; 212. guide plate; 213. second collecting bucket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figure 1 - Figure 4 The utility model provides a technical solution: an efficient agricultural seed screening device, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located in front of the main mechanism 1, the main mechanism 1 comprises a device body 101, a screening frame 102 and a screening plate 103, the screening frame 102 is located above the device body 101, and the screening plate 103 is movably installed inside the screening frame 102;

[0026] The main mechanism 1 also includes a base frame 104, a telescopic rod 105, a connecting rod 106 and a positioning plate 107. The base frame 104 is fixedly mounted on the lower end of the screening frame 102, the telescopic rod 105 is fixedly mounted on the outer end of the screening frame 102, the connecting rod 106 is fixedly mounted on the lower end of the telescopic rod 105, and the positioning plate 107 is fixedly mounted on the inner end of the connecting rod 106. The inner end of the positioning plate 107 is located inside the screening frame 102. The positioning plate 107 is movably connected to the screening frame 102. The positioning plate 107 is located at the upper end of the sieve plate 103. When the sieve plate 103 needs to be repaired or replaced, The staff adjusts the telescopic rod 105 to drive the connecting rod 106 to move outward, and the connecting rod 106 pulls the positioning plate 107 to separate the positioning plate 107 from the sieve plate 103. The sieve plate 103 can be removed for inspection or replacement, and then the new sieve plate 103 is placed on the base frame 104 inside the screening frame 102. By pushing the connecting rod 106, the positioning plate 107 is in full contact with the sieve plate 103 and is located above the sieve plate 103. The sieve plate 103 is positioned, and the staff fixes the telescopic rod 105 to complete the assembly of the sieve plate 103.

[0027] The auxiliary mechanism 2 includes a bottom plate 201 and a shock absorber 202, the bottom plate 201 is located below the device body 101, and the shock absorber 202 is fixedly installed on the upper end of the bottom plate 201. The auxiliary mechanism 2 also includes a bearing plate 203 and a fixing plate 204, the bearing plate 203 is fixedly installed on the upper end of the shock absorber 202, the device body 101 is located at the upper end of the bearing plate 203, and the fixing plate 204 is fixedly installed on the right end of the device body 101. The auxiliary mechanism 2 also includes a motor 205 and a drive shaft 206, the motor 205 is fixedly installed on the upper end of the fixing plate 204, and the drive shaft 206 is fixedly installed At the transmission end at the left end of the motor 205, the auxiliary mechanism 2 also includes a belt 207 and a driven disk 208, the belt 207 is movably mounted on the outer end of the drive shaft 206, the driven disk 208 is movably mounted on the right end of the device body 101, the belt 207 is located at the outer end of the driven disk 208, the auxiliary mechanism 2 also includes a vibration shaft 209 and a spring 210, the vibration shaft 209 is fixedly mounted on the left end of the driven disk 208, the vibration shaft 209 is located inside the device body 101, the spring 210 is fixedly mounted on the upper end of the device body 101, and the upper end of the spring 210 is fixedly connected to the screening frame 102 The auxiliary mechanism 2 also includes a first collecting bucket 211, a guide plate 212, and a second collecting bucket 213. The first collecting bucket 211 is fixedly mounted on the front end of the screening frame 102, the guide plate 212 is fixedly mounted inside the device body 101, the guide plate 212 is located below the vibration shaft 209, and the second collecting bucket 213 is fixedly mounted on the front end of the device body 101. When the device body 101 is used to screen agricultural seeds, the seeds to be screened enter the screening frame 102, the motor 205 drives the drive shaft 206 to rotate, and the drive shaft 206 drives the belt 20 7 rotates, the belt 207 drives the driven disk 208 to rotate, the driven disk 208 drives the vibration shaft 209 to rotate, the vibration shaft 209 continuously vibrates the screening frame 102, so that the small-particle seeds fall through the aperture of the screen plate 103, and under the setting of the inclination angle of the guide plate 212, the small-particle seeds fall into the second collecting bucket 213 for collection, and the intercepted large-particle seeds fall into the first collecting bucket 211. During the operation of the device body 101, the shock absorber 202 buffers the vibration generated by its operation to reduce the wear on the structure during the screening operation.

[0028] Working principle: When the device body 101 is used to screen agricultural seeds, the seeds to be screened enter the screening frame 102, the motor 205 drives the drive shaft 206 to rotate, the drive shaft 206 drives the belt 207 to rotate, the belt 207 drives the driven disk 208 to rotate, the driven disk 208 drives the vibration shaft 209 to rotate, the vibration shaft 209 continuously vibrates the screening frame 102, so that small-particle seeds fall through the aperture of the sieve plate 103, and under the setting of the inclination angle of the guide plate 212, the small-particle seeds fall into the second collection bucket 213 for collection, and the intercepted large-particle seeds fall into the first collection bucket 211. During the operation of the device body 101, the shock absorber 202 will The vibration generated by its operation is buffered to reduce the wear and tear on the structure during the screening operation. When the sieve plate 103 needs to be inspected or replaced, the staff adjusts the telescopic rod 105 to drive the connecting rod 106 to move outward, and the connecting rod 106 pulls the positioning plate 107 to separate the positioning plate 107 from the sieve plate 103. The sieve plate 103 can be removed for inspection or replacement, and then the new sieve plate 103 is placed on the base frame 104 inside the screening frame 102. By pushing the connecting rod 106, the positioning plate 107 is fully in contact with the sieve plate 103 and is located above the sieve plate 103. The sieve plate 103 is positioned, and the staff fixes the telescopic rod 105 to complete the assembly of the sieve plate 103.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An efficient agricultural seed screening device, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located in front of the main mechanism (1); the main mechanism (1) comprises a device body (101), a screening frame (102) and a screening plate (103); the screening frame (102) is located above the device body (101); and the screening plate (103) is movably mounted inside the screening frame (102); The main body mechanism (1) further comprises a base frame (104), a telescopic rod (105), a connecting rod (106) and a positioning plate (107); the base frame (104) is fixedly mounted on the lower end of the screening frame (102); the telescopic rod (105) is fixedly mounted on the outer end of the screening frame (102); the connecting rod (106) is fixedly mounted on the lower end of the telescopic rod (105); the positioning plate (107) is fixedly mounted on the inner end of the connecting rod (106); the inner end of the positioning plate (107) is located inside the screening frame (102); the positioning plate (107) is movably connected to the screening frame (102); and the positioning plate (107) is located at the upper end of the screening plate (103).

2. The device for efficiently screening agricultural seeds according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a bottom plate (201) and a shock absorber (202); the bottom plate (201) is located below the device body (101); and the shock absorber (202) is fixedly mounted on the upper end of the bottom plate (201).

3. The efficient agricultural seed screening device according to claim 2, characterized in that: The auxiliary mechanism (2) further comprises a bearing plate (203) and a fixing plate (204); the bearing plate (203) is fixedly mounted on the upper end of the shock absorber (202); the device body (101) is located on the upper end of the bearing plate (203); and the fixing plate (204) is fixedly mounted on the right end of the device body (101).

4. The device for efficiently screening agricultural seeds according to claim 3, characterized in that: The auxiliary mechanism (2) further comprises a motor (205) and a drive shaft (206); the motor (205) is fixedly mounted on the upper end of the fixed plate (204); and the drive shaft (206) is fixedly mounted on the transmission end at the left end of the motor (205).

5. The device for efficiently screening agricultural seeds according to claim 4, characterized in that: The auxiliary mechanism (2) further comprises a belt (207) and a driven disk (208), wherein the belt (207) is movably mounted on the outer end of the drive shaft (206), and the driven disk (208) is movably mounted on the right end of the device body (101), and the belt (207) is located at the outer end of the driven disk (208).

6. The device for efficiently screening agricultural seeds according to claim 5, characterized in that: The auxiliary mechanism (2) further comprises a vibration shaft (209) and a spring (210); the vibration shaft (209) is fixedly mounted on the left end of the driven disk (208); the vibration shaft (209) is located inside the device body (101); the spring (210) is fixedly mounted on the upper end of the device body (101); and the upper end of the spring (210) is fixedly connected to the screening frame (102).

7. The device for efficiently screening agricultural seeds according to claim 6, characterized in that: The auxiliary mechanism (2) further comprises a first collecting hopper (211), a material guide plate (212) and a second collecting hopper (213); the first collecting hopper (211) is fixedly mounted at the front end of the screening frame (102); the material guide plate (212) is fixedly mounted inside the device body (101); the material guide plate (212) is located below the vibration shaft (209); and the second collecting hopper (213) is fixedly mounted at the front end of the device body (101).

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