Screen structure

Abstract

The utility model relates to the technical field of screens, in particular to a screen structure which comprises a screen tray, a screen bin is arranged in the middle of the upper surface of the screen tray, meshes are formed in the bottom of the screen bin, a supporting assembly is arranged in the center of the bottom of the screen tray and comprises a supporting cylinder, and a cleaning assembly is further arranged on the outer side of the supporting cylinder and comprises a rotating roller. Rotating shafts are arranged at the end parts of the rotating rollers; a gear sleeves the rotating shaft on the left side; according to the screen structure, the screen tray is arranged, the fixing columns are matched with the fixing plate, so that the overall position can be fixed, the supporting cylinder is combined and fixed with the screen tray through the supporting rods, the cleaning assembly is installed at the bottom of the screen tray, the multiple protruding columns are matched with the rotating roller, and the protruding columns are matched with the corresponding meshes in an inserted mode, so that the meshes are cleaned, and the blocking influence is reduced; and under the cooperation of the guide ring, the ground soil needing to be screened can be guided to enter the sieve tray for stable screening cooperation.

Description

Technical Field

[0001] The utility model relates to the technical field of screen meshes, in particular to a screen mesh structure. Background Art

[0002] Soil refers to a loose layer of material on the surface of the earth, which is composed of various granular minerals, organic matter, water, air, microorganisms, etc., and can grow plants. In soil research, a special soil grinding device is needed to grind and break the collected soil samples to facilitate subsequent soil testing. After the soil is ground, it needs to be screened and combined to reduce the impact of large particles in the soil on subsequent grinding monitoring;

[0003] The utility model with publication number CN219111838U discloses a soil sample grinding and screening device, which relates to the field of soil sample collection, and comprises a grinding box, a sealing top cover is provided on the outer surface of one end of the grinding box, a lifting handle and a fixed cone rod are provided on the outer wall of the grinding box, the lifting handle is located above the fixed cone rod, a collecting sieve plate is provided on the outer wall of the fixed cone rod, a rotating shaft rod is provided in the middle of the sealing top cover, and a grinding leak plate is provided on the inner wall of the grinding box;

[0004] In the above technical solution, the lifting handle is provided to facilitate carrying the grinding box when in use, and is convenient for use when collecting soil, and the grinding filter plate can filter the soil for the first time, and the fixed cone rod is convenient for fixing the grinding box when in use, and is convenient for use when grinding, and the collecting sieve plate can collect the ground and filtered soil when in use, and the soil can be filtered again through the sieve plate; however, when the sieve is used for long-term filtration, the soil is easy to clog the mesh holes on the sieve, affecting continuous screening. Utility Model Content

[0005] The purpose of the utility model is to provide a screen structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A screen structure comprises a screen plate, a screen bin is provided in the middle of the upper surface of the screen plate, a plurality of mesh holes are provided at the bottom of the screen bin, a support assembly is provided at the center of the bottom of the screen plate, the support assembly comprises a support cylinder, a cleaning assembly is also provided on the outer side of the support cylinder, the cleaning assembly comprises a roller, both ends of the roller are provided with a rotating shaft, a gear is sleeved on the rotating shaft on the left side, a first conical tooth is provided on the rotating shaft on the right side, a connecting shaft is also provided at the end of the rotating shaft on the right side, a second conical tooth is provided on the top of the connecting shaft, a motor is provided at the bottom of the connecting shaft, and a plurality of protrusions are provided on the outer wall of the roller.

[0008] Preferably, an annular groove is provided on the outer wall of the support tube at a position corresponding to the rotating shaft, and a plurality of support rods are provided on the outer wall of the support tube near the bottom.

[0009] In the utility model, with the cooperation of the annular groove, the rotating shaft can be easily rotated in the annular groove, so that the rotating roller can rotate around the supporting cylinder.

[0010] Preferably, the support rods are distributed in a circular shape with equal intervals, one end of the support rod is welded and fixed to the support tube, and the other end of the support rod is welded and fixed to the sieve plate.

[0011] In the utility model, with the cooperation of the support rod, the support cylinder and the sieve plate can be stably assembled and installed.

[0012] Preferably, a base plate is further provided at the bottom of the support tube, the connecting shaft passes through the base plate, and a bearing is sleeved on the connecting shaft, the inner ring of the bearing is welded and fixed to the connecting shaft, and the outer ring of the bearing is welded and fixed to the base plate.

[0013] In the utility model, with the cooperation of the bearing, the coupling shaft and the base plate are flexibly rotated and connected. With the cooperation of the base plate, the motor is easy to install and cooperate. The motor is connected to the external power supply through a wire. When the motor is started, the motor output shaft is coaxially connected to the coupling shaft, which helps to drive the coupling shaft to operate and realize the corresponding rotation to clean the mesh.

[0014] Preferably, the bosses are distributed in a ring shape with equal spacing, and the bosses and the roller are an integrally formed structure, the diameter of the bosses is matched with the inner diameter of the mesh, the meshes are distributed in a ring shape with equal spacing, and the bosses are plug-fitted with the meshes.

[0015] In the utility model, the convex column cooperates with the mesh hole and plugs into the mesh hole, which reduces the influence of the mesh hole being blocked after the soil is ground, and helps to continuously screen the soil with the sieve plate.

[0016] Preferably, the rotating shaft and the rotating roller are an integrally formed structure, the gear is welded and fixed to the rotating shaft on the left side, an annular groove is provided at the bottom of the inner wall of the sieve plate corresponding to the rotating shaft, an annular tooth plate is provided at the top of the annular groove, and the gear is meshed with the annular tooth plate.

[0017] In the utility model, the annular tooth plate is in a circular ring shape and is bonded and fixed to the sieve plate. When the gear cooperates with the annular tooth plate, the roller rotates around the supporting cylinder while the roller moves and cooperates with the annular tooth plate.

[0018] Preferably, the top of the coupling shaft is rotatably connected to the top of the support tube, the second conical teeth and the coupling shaft are an integrally formed structure, the second conical teeth and the first conical teeth are meshed with each other, and the diameter of the rotating shaft is matched with the width of the annular groove.

[0019] In the utility model, the second conical teeth cooperate with the first conical teeth to realize the rotation of the shaft to drive the first conical teeth to rotate, and then drive the rotating roller to rotate, and one of the rotating shafts rotates in the annular groove.

[0020] Preferably, a guide ring is provided on the top of the sieve plate, the guide ring is funnel-shaped, the bottom of the guide ring is welded and fixed to the top of the sieve plate, a fixing column is provided near the middle of the outer wall of the sieve plate, and a fixing plate is provided at the outer end of the fixing column.

[0021] In the utility model, the installation edge of the guide ring guides the ground soil falling from above to enter the sieve plate for corresponding screening. The cooperation of the fixing plate and the fixing column facilitates the fixation of the overall position of the sieve plate and facilitates rapid installation and fixing.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model sets a sieve plate, and the cooperation of the fixed column and the fixed plate helps to fix the overall position. The support cylinder is fixed to the sieve plate through the support rod. The cleaning component is installed at the bottom of the sieve plate. The roller is equipped with multiple protrusions, and the protrusions are plug-in-fit with the corresponding mesh holes to achieve mesh cleaning and reduce clogging effects. It helps to continuously screen the soil on the sieve plate. With the cooperation of the guide ring, it helps to guide the ground soil that needs to be screened into the sieve plate for stable screening.

[0024] 2. The utility model sets a gear that meshes with the annular tooth plate, which helps the roller to rotate around the support tube at the bottom of the sieve plate when rotating. The first conical teeth cooperate with the second conical teeth to achieve uniform rotation of the roller. The motor provides power, and the connecting shaft rotates with the base plate on the bottom of the support tube under the cooperation of the bearing to achieve stable installation combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is an overall bottom view schematic diagram of the utility model;

[0027] Figure 3 This is a schematic diagram of the combined structure of the guide ring and the sieve plate of the utility model;

[0028] Figure 4 This is a bottom view schematic diagram of the sieve plate of the utility model;

[0029] Figure 5 This is a schematic diagram of the combined structure of the cleaning component and the supporting component of the utility model;

[0030] Figure 6 This is a schematic diagram of the cleaning component structure of the utility model;

[0031] Figure 7 It is a schematic diagram of the support assembly of the utility model.

[0032] The meaning of each number in the figure is:

[0033] 1. sieve plate; 10. sieve bin; 100. mesh; 11. fixing column; 110. fixing plate; 111. fixing hole; 12. annular groove; 120. annular tooth plate;

[0034] 2. Guide ring;

[0035] 3. Support cylinder; 30. Ring groove; 31. Support rod; 32. Base plate;

[0036] 4. Cleaning assembly; 40. Roller; 41. Boss; 42. Shaft; 420. Gear; 43. First conical gear; 44. Connecting shaft; 440. Second conical gear; 441. Bearing; 442. Motor. DETAILED DESCRIPTION

[0037] 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.

[0038] See also Figure 1-Figure 7 , this embodiment provides a technical solution:

[0039] A screen structure, comprising a screen plate 1, a screen bin 10 is provided in the middle of the upper surface of the screen plate 1, a plurality of mesh holes 100 are provided at the bottom of the screen bin 10, a support assembly is provided at the center of the bottom of the screen plate 1, the support assembly comprises a support cylinder 3, a cleaning assembly 4 is further provided outside the support cylinder 3, the cleaning assembly 4 comprises a rotating roller 40, and a rotating shaft 42 is provided at each end of the rotating roller 40;

[0040] Secondly, an annular groove 30 is provided on the outer wall of the support tube 3 at a position corresponding to the rotating shaft 42 , and a plurality of support rods 31 are provided on the outer wall of the support tube 3 near the bottom.

[0041] In the utility model, with the cooperation of the annular groove 30 , it is convenient for the rotating shaft 42 to rotate in the annular groove 30 , so that the rotating roller 40 can rotate around the supporting tube 3 .

[0042] Furthermore, the support rods 31 are distributed in a circular shape with equal intervals, one end of the support rod 31 is welded and fixed to the support tube 3 , and the other end of the support rod 31 is welded and fixed to the sieve plate 1 .

[0043] In the utility model, with the cooperation of the support rod 31, the support cylinder 3 and the sieve plate 1 can be stably assembled and installed.

[0044] Specifically, a base plate 32 is further provided at the bottom of the support tube 3 , a connecting shaft 44 passes through the base plate 32 , and a bearing 441 is sleeved on the connecting shaft 44 , an inner ring of the bearing 441 is welded and fixed to the connecting shaft 44 , and an outer ring of the bearing 441 is welded and fixed to the base plate 32 .

[0045] In the utility model, with the cooperation of the bearing 441, the connecting shaft 44 and the base plate 32 are flexibly rotated and connected. With the cooperation of the base plate 32, the motor 442 is easy to install and cooperate. The motor 442 is connected to the external power supply through a wire. The motor 442 is started, and the output shaft of the motor 442 is coaxially connected to the connecting shaft 44, which helps to drive the connecting shaft 44 to operate and realize the corresponding rotation to clean the mesh 100.

[0046] It should be noted that a gear 420 is sleeved on the left rotating shaft 42, a first conical tooth 43 is provided on the right rotating shaft 42, a connecting shaft 44 is further provided at the end of the right rotating shaft 42, and a second conical tooth 440 is provided at the top of the connecting shaft 44;

[0047] Secondly, the rotating shaft 42 and the rotating roller 40 are an integrally formed structure, the gear 420 is welded and fixed to the rotating shaft 42 on the left side, an annular groove 12 is opened at the bottom of the inner wall of the sieve plate 1 corresponding to the rotating shaft 42, and an annular tooth plate 120 is provided at the top of the annular groove 12, and the gear 420 is meshed with the annular tooth plate 120.

[0048] In the utility model, the annular tooth plate 120 is in a circular ring shape and is bonded and fixed to the sieve plate 1. The gear 420 cooperates with the annular tooth plate 120 to realize that the roller 40 rotates around the support tube 3 while the roller 40 moves and cooperates with the annular tooth plate 120.

[0049] Furthermore, the top of the connecting shaft 44 is rotatably connected to the top of the support tube 3 , the second conical teeth 440 and the connecting shaft 44 are an integrally formed structure, the second conical teeth 440 and the first conical teeth 43 are meshed with each other, and the diameter of the rotating shaft 42 is adapted to the width of the annular groove 30 .

[0050] In the present invention, the second conical teeth 440 cooperate with the first conical teeth 43 to realize that the connecting shaft 44 rotates to drive the first conical teeth 43 to rotate, and then drives the rotating roller 40 to rotate, and one of the rotating shafts 42 rotates in the annular groove 30.

[0051] It is worth adding that a motor 442 is provided at the bottom of the connecting shaft 44 , and a plurality of protruding columns 41 are provided on the outer wall of the rotating roller 40 .

[0052] Furthermore, the bosses 41 are distributed in a ring shape with equal spacing, and the bosses 41 and the roller 40 are an integrally formed structure. The diameter of the bosses 41 is adapted to the inner diameter of the mesh 100 , the mesh 100 is distributed in a ring shape with equal spacing, and the bosses 41 and the mesh 100 are plug-fitted.

[0053] In the utility model, the convex column 41 cooperates with and plugs into the mesh 100, which reduces the clogging effect of the mesh 100 after the soil is ground, and helps to continue the screening of the soil by the sieve plate 1.

[0054] In addition, a guide ring 2 is provided on the top of the sieve plate 1. The guide ring 2 is funnel-shaped, and the bottom of the guide ring 2 is welded and fixed to the top of the sieve plate 1. A fixing column 11 is provided near the middle of the outer wall of the sieve plate 1, and a fixing plate 110 is provided at the outer end of the fixing column 11.

[0055] In the utility model, the installation edge of the guide ring 2 guides the ground soil falling from above into the sieve plate 1 for corresponding screening. The cooperation of the fixing plate 110 and the fixing column 11 facilitates the overall position of the sieve plate 1 to facilitate quick installation and fixing.

[0056] When the screen structure of this embodiment is in use, the user first plugs and matches the top of the support tube 3 with the sieve plate 1, and then installs the roller 40 with the protruding column 41 on the bottom of the sieve plate 1, and the rotating shaft 42 with the gear 420 is plugged and matched with the annular groove 12, the gear 420 is meshed with the annular gear plate 120, the first conical teeth 43 extend into the inside of the support tube 3, and the first conical teeth 43 and the second conical teeth 440 are meshed with each other, the connecting shaft 44 is rotatably connected to the base plate 32 at the bottom of the support tube 3 with the cooperation of the bearing 441, the motor 442 is fixed on the base plate 32, and then the guide ring 2 is fixed on the top of the sieve plate 1, the fixing column 11 is cooperated with the fixing plate 110, and the external screws pass through the fixing holes 111 on the fixing plate 110 and are installed and matched with the corresponding fixed positions;

[0057] When it is necessary to screen the ground soil, the guide ring 2 guides the ground soil above to enter the sieve plate 1 to screen small particles of soil from the mesh 100. The motor 442 is connected to an external power supply, and the output shaft rotates to drive the connecting shaft 44 to rotate, thereby driving the roller 40 to rotate. The roller 40 can rotate stably at the bottom of the sieve plate 1 with the cooperation of the gear 420, and the convex column 41 is plugged into the mesh 100 to reduce the clogging effect of the soil on the mesh 100, which is conducive to continuous soil screening.

Claims

1. A screen structure, comprising a screen plate (1), a screen bin (10) is provided in the middle of the upper surface of the screen plate (1), a plurality of mesh holes (100) are provided at the bottom of the screen bin (10), a support assembly is provided at the center of the bottom of the screen plate (1), the support assembly comprises a support cylinder (3), a cleaning assembly (4) is further provided outside the support cylinder (3), the cleaning assembly (4) comprises a rotating roller (40), and the characteristics are as follows: The ends of the rotating rollers (40) are each provided with a rotating shaft (42), a gear (420) is sleeved on the rotating shaft (42) on the left side, a first conical tooth (43) is provided on the rotating shaft (42) on the right side, a connecting shaft (44) is also provided at the end of the rotating shaft (42) on the right side, a second conical tooth (440) is provided at the top of the connecting shaft (44), a motor (442) is provided at the bottom of the connecting shaft (44), and a plurality of convex columns (41) are provided on the outer wall of the rotating roller (40).

2. The screen structure according to claim 1, characterized in that: An annular groove (30) is provided on the outer wall of the support tube (3) at a position corresponding to the rotating shaft (42), and a plurality of support rods (31) are provided on the outer wall of the support tube (3) near the bottom.

3. The screen structure according to claim 2, characterized in that: The support rods (31) are distributed in a circular shape with equal spacing; one end of the support rod (31) is welded and fixed to the support cylinder (3); and the other end of the support rod (31) is welded and fixed to the sieve plate (1).

4. The screen structure according to claim 2, characterized in that: The bottom of the support tube (3) is also provided with a base plate (32), the connecting shaft (44) passes through the base plate (32), and a bearing (441) is sleeved on the connecting shaft (44), the inner ring of the bearing (441) is welded and fixed to the connecting shaft (44), and the outer ring of the bearing (441) is welded and fixed to the base plate (32).

5. The screen structure according to claim 1, characterized in that: The convex columns (41) are distributed in an annular shape with equal spacing, and the convex columns (41) and the rotating roller (40) are an integrally formed structure, the diameter of the convex columns (41) is matched with the inner diameter of the mesh (100), the mesh (100) are distributed in an annular shape with equal spacing, and the convex columns (41) and the mesh (100) are plug-fitted.

6. The screen structure according to claim 1, characterized in that: The rotating shaft (42) and the rotating roller (40) are an integrally formed structure; the gear (420) is welded and fixed to the rotating shaft (42) on the left side; an annular groove (12) is provided at the bottom of the inner wall of the sieve plate (1) corresponding to the rotating shaft (42); an annular tooth plate (120) is provided at the top of the annular groove (12); and the gear (420) meshes with the annular tooth plate (120).

7. The screen structure according to claim 1, characterized in that: The top of the connecting shaft (44) is rotatably connected to the top of the supporting tube (3); the second conical teeth (440) and the connecting shaft (44) are an integrally formed structure; the second conical teeth (440) and the first conical teeth (43) are meshed with each other; and the diameter of the rotating shaft (42) is adapted to the width of the annular groove (30).

8. The screen structure according to claim 1, characterized in that: A guide ring (2) is provided on the top of the sieve plate (1), the guide ring (2) is funnel-shaped, the bottom of the guide ring (2) is welded and fixed to the top of the sieve plate (1), a fixing column (11) is provided near the middle of the outer wall of the sieve plate (1), and a fixing plate (110) is provided at the outer end of the fixing column (11).

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