Vibrating screen

Abstract

The utility model provides a vibrating screen which comprises a bottom plate and a screen mesh, the top of the bottom plate is fixedly connected with a box body, the top of the box body is communicated with a feeding pipe, a cleaning mechanism is arranged, materials are filled into the box body through the feeding pipe, and the materials are vibrated and separated through the cooperation of a vibrator and the screen mesh. After screening work is finished, a threaded rod is driven by the output end of a servo motor to rotate, the threaded rod drives a threaded block to move forwards and backwards under the action of threaded connection, a brush roller makes contact with the surface of a screen, the threaded block drives a sliding block to slide in an inner cavity of a sliding groove in the forward and backward moving process, and the brush roller is driven to rotate; the stability in the moving process of the screw block is improved, the brush roller is driven to rotate through the output end of the rotating motor in the moving process of the brush roller, materials clamped on meshes of the screen are brushed away, blocking of the screen is avoided, the follow-up screening operation progress is facilitated, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to a vibrating screen and belongs to the technical field of vibrating screens. Background Art

[0002] The working principle of the dynamic screen is mainly to rely on the vibration energy generated by the vibration motor to make the material on the screen surface vibrate and stratify it according to the size of the material particle size, thereby achieving the purpose of screening.

[0003] The Chinese patent publication (publication number: CN 220900993 U) discloses a vibrating screen for screening materials, including a shock-absorbing base and a mounting plate, four corners of the top of the shock-absorbing base are fixedly provided with shock-absorbing springs, a screen body is fixedly provided on the top between the four shock-absorbing springs, a sealing cover is fixedly provided on the top of the screen body, and cylinders are fixedly provided on the four corners of the top of the sealing cover, and the movable ends of the four cylinders extend to the inside of the sealing cover and are fixedly connected to the mounting plate. The utility model is a vibrating screen for screening materials, and the mounting plate is pushed downward by four cylinders so that the bottom ends of several auxiliary rods are in contact with the screen inside the screen body, and then the driving wheel is driven to rotate by a motor, and at the same time, the several driven wheels can be driven to rotate under the transmission action of the belt, and then the several shaft rods and the several rotating rods are driven to rotate, thereby driving the several auxiliary rods to rotate, so as to evenly spread the materials in the screen body on the screen, thereby facilitating the screening of materials and improving the screening efficiency;

[0004] Although the above equipment is convenient for screening materials and improves screening efficiency, it still has certain defects. Since the existing vibrating screen is easy to get stuck on the mesh of the screen during the vibration screening process of the material, it may cause the screen to be blocked, affecting the progress of the screening operation and reducing the practicality of the equipment.

[0005] Therefore, a vibrating screen is proposed. Utility Model Content

[0006] In view of this, the utility model provides a vibrating screen to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0007] The technical solution of the utility model is achieved as follows: a vibrating screen comprises a bottom plate and a screen, the top of the bottom plate is fixedly connected to a box body, the top of the box body is connected to a feeding pipe, a pull-out box is arranged at the middle end of the top of the bottom plate, the front side of the bottom of the screen body is fixedly connected to a vibrator, a cleaning mechanism is arranged in the inner cavity of the box body, and the cleaning mechanism comprises a device box, the device box is fixedly connected to the left side of the box body, the front side of the device box is fixedly connected to a servo motor, the output end of the servo motor is rotatably connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a screw block, the right side of the screw block is fixedly connected to an L-shaped plate, the outer side of the L-shaped plate is fixedly connected to a rotating motor, the output end of the rotating motor is rotatably connected to a brush roller, the bottom of the screw block is fixedly connected to a slider, the bottom of the inner cavity of the device box is provided with a slide groove, and the bottom of the slider is slidably connected to the inner cavity of the slide groove.

[0008] Further preferably, fixing seats are fixedly connected to the four sides of the bottom of the inner cavity of the box, hard springs are fixedly connected to the tops of the four fixing seats, and the tops of the four hard springs are fixedly connected to the four sides of the bottom of the screen.

[0009] Further preferably, guide plates are fixedly connected to the left and right sides of the bottom of the inner cavity of the box, and a through groove is provided at the middle end of the bottom of the inner cavity of the box.

[0010] Further preferably, a slot is provided on the front side of the box body, and a baffle is clamped on the inner side of the slot.

[0011] Further preferably, a bracket is fixedly connected to the front side of the device box, and the top of the bracket is in contact with the bottom of the device box.

[0012] Further preferably, a cover plate is connected to the left side of the device box via threads, and a glass window is fixedly connected to the outer side of the cover plate and the front side of the box body.

[0013] Further preferably, guide blocks are fixedly connected around the bottom of the pull-out box, guide grooves are opened on the left and right sides of the top of the bottom plate, and the bottoms of the four guide blocks are slidably connected to the inner cavities of the two guide grooves.

[0014] Further preferably, movable wheels are fixedly connected on all four sides of the bottom of the base plate, threaded sleeves are fixedly connected on the left and right sides of the top of the base plate, the inner walls of the two threaded sleeves are connected to screw rods through threads, the bottoms of the two screw rods are fixedly connected to positioning plates, and the tops of the two screw rods are fixedly connected to hand wheels.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model provides a cleaning mechanism, infuses materials into the box through a feed pipe, vibrates and screens the materials through the cooperation of a vibrator and a screen, and drops them into a pull-out box for unified collection. When the screening work is completed, the output end of the servo motor drives the threaded rod to rotate, and the threaded rod drives the screw block to move forward and backward through the action of the threaded connection, so that the brush roller contacts the surface of the screen. During the forward and backward movement of the screw block, the slider is driven to slide in the inner cavity of the slide groove, thereby improving the stability of the screw block during movement. During the movement of the brush roller, the output end of the rotating motor drives the brush roller to rotate, and the material stuck on the mesh of the screen is brushed off, thereby avoiding blockage of the screen, facilitating the subsequent screening operation, and improving the practicability of the equipment.

[0017] 2. The utility model can improve the vibration frequency of the screen by arranging a fixed seat and a hard spring, can guide the screened material by arranging a guide plate, can block the through slot by arranging a baffle, and when the screening work is completed, the baffle is pulled out to allow the screened material to fall into the interior of the pull-out box through the through slot; when a bracket is arranged, the device box can be placed so that it will fall off during the work; by arranging a cover plate and a glass window, the inside of the device box can be inspected by removing the cover plate, and the glass window can be used to observe the conditions inside the device box and the box body; by arranging a guide block and a guide groove, the stability of the pull-out box during the pulling and pulling process can be improved; by arranging a moving wheel, a threaded sleeve, a screw rod, a positioning plate and a hand wheel, the moving wheel can transfer the entire device; when it moves to the preset position, the hand wheel is turned to drive the screw rod to rotate, and the screw rod moves downward through the inner wall of the threaded sleeve through the effect of the threaded connection, driving the positioning plate to contact the ground, fixing the entire device, and improving the stability of the entire device.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0023] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the baffle and the card slot in the separated state of the utility model;

[0025] Figure 6 It is a schematic diagram of the structure of the drawer box of the utility model in the drawer state.

[0026] Figure numerals: 1. bottom plate; 2. cleaning mechanism; 201. device box; 202. servo motor; 203. threaded rod; 204. screw block; 205. L-shaped plate; 206. rotating motor; 207. brush roller; 208. slider; 209. slide groove; 3. screen; 4. box; 5. vibrator; 6. fixed seat; 7. hard spring; 8. guide plate; 9. through groove; 10. slot; 11. baffle; 12. bracket; 13. cover plate; 14. glass window; 15. pull-out box; 16. guide block; 17. guide groove; 18. moving wheel; 19. threaded sleeve; 20. screw rod; 21. positioning plate; 22. hand wheel; 23. feed pipe. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0029] Example 1

[0030] like Figure 1-6As shown, the embodiment of the utility model provides a vibrating screen, including a bottom plate 1 and a screen 3, the top of the bottom plate 1 is fixedly connected to a box 4, the top of the box 4 is connected to a feed pipe 23, a pull-out box 15 is arranged at the middle end of the top of the bottom plate 1, a vibrator 5 is fixedly connected to the front side of the bottom of the screen 3, a cleaning mechanism 2 is arranged in the inner cavity of the box 4, the cleaning mechanism 2 includes a device box 201, the device box 201 is fixedly connected to the left side of the box 4, the front side of the device box 201 is fixedly connected to a servo motor 202, and the servo motor The output end of the machine 202 is rotatably connected to a threaded rod 203, the outer surface of the threaded rod 203 is threadedly connected to a screw block 204, the right side of the screw block 204 is fixedly connected to an L-shaped plate 205, the outer side of the L-shaped plate 205 is fixedly connected to a rotating motor 206, the output end of the rotating motor 206 is rotatably connected to a brush roller 207, the bottom of the screw block 204 is fixedly connected to a slider 208, a slide groove 209 is provided at the bottom of the inner cavity of the device box 201, and the bottom of the slider 208 is slidably connected to the inner cavity of the slide groove 209.

[0031] By setting up the cleaning mechanism 2, the material is infused into the box body 4 through the feeding pipe 23, and the material is vibrated and screened by the cooperation of the vibrator 5 and the screen 3, and falls into the pull-out box 15 for unified collection. When the screening work is completed, the threaded rod 203 is driven to rotate by the output end of the servo motor 202, and the threaded rod 203 drives the screw block 204 to move forward and backward through the action of the threaded connection, so that the brush roller 207 contacts the surface of the screen 3. In the process of the screw block 204 moving forward and backward, the slider 208 is driven to slide in the inner cavity of the slide groove 209, thereby improving the stability of the screw block 204 during movement. In the process of the movement of the brush roller 207, the brush roller 207 is driven to rotate by the output end of the rotating motor 206, and the material stuck on the mesh of the screen 3 is brushed off, thereby avoiding the blockage of the screen 3, facilitating the subsequent screening operation, and improving the practicability of the equipment.

[0032] Example 2

[0033] In one embodiment, the bottom of the inner cavity of the box body 4 is fixedly connected with a fixing seat 6 on all sides, the tops of the four fixing seats 6 are fixedly connected with hard springs 7, the tops of the four hard springs 7 are fixedly connected to the bottom of the screen 3 on all sides, the left and right sides of the bottom of the inner cavity of the box body 4 are fixedly connected with guide plates 8, the middle end of the bottom of the inner cavity of the box body 4 is provided with a through groove 9, the front side of the box body 4 is provided with a card slot 10, the inner side of the card slot 10 is clamped with a baffle 11, the front side of the device box 201 is fixedly connected with a bracket 12, the top of the bracket 12 is in contact with the bottom of the device box 201, and the left side of the device box 201 is connected with a cover plate 1 through a thread. 3. The outer side of the cover plate 13 and the front side of the box body 4 are fixedly connected with a glass window 14, the bottom of the pull-out box 15 is fixedly connected with guide blocks 16 on all sides, the left and right sides of the top of the bottom plate 1 are provided with guide grooves 17, the bottoms of the four guide blocks 16 are slidably connected in the inner cavities of the two guide grooves 17, the bottom of the bottom plate 1 is fixedly connected with moving wheels 18 on all sides, the left and right sides of the top of the bottom plate 1 are fixedly connected with threaded sleeves 19, the inner walls of the two threaded sleeves 19 are connected with screw rods 20 through threads, the bottoms of the two screw rods 20 are fixedly connected with positioning plates 21, and the tops of the two screw rods 20 are fixedly connected with hand wheels 22.

[0034] By setting the fixing seat 6 and the hard spring 7, the vibration frequency of the screen 3 can be increased. By setting the guide plate 8, the screened material can be diverted. By setting the baffle 11, the through slot 9 can be blocked. When the screening work is completed, the baffle 11 is pulled out to allow the screened material to fall into the pull-out box 15 through the through slot 9. By setting the bracket 12, the device box 201 can be placed to prevent it from falling off during the work. By setting the cover plate 13 and the glass window 14, the inside of the device box 201 can be inspected by removing the cover plate 13, and the glass window 14 can be used to observe The situation inside the device box 201 and the box body 4 can be improved by setting the guide block 16 and the guide groove 17 during the pulling process of the pull-out box 15. By setting the moving wheel 18, the threaded sleeve 19, the screw rod 20, the positioning plate 21 and the hand wheel 22, the moving wheel 18 can transfer the entire device. When it moves to the preset position, the hand wheel 22 is turned to drive the screw rod 20 to rotate. The screw rod 20 moves downward through the inner wall of the threaded sleeve 19 through the effect of the threaded connection, driving the positioning plate 21 to contact the ground, fixing the whole device, and improving the stability of the overall device.

[0035] When the utility model is working: first, the moving wheel 18 can transfer the whole equipment. When it moves to the preset position, the hand wheel 22 is turned to drive the screw 20 to rotate. The screw 20 moves downward through the inner wall of the threaded sleeve 19 through the effect of the threaded connection, driving the positioning plate 21 to contact the ground and fix the whole. Then, the material is infused into the box body 4 through the feed pipe 23, and the material is vibrated and screened by the cooperation of the vibrator 5 and the screen 3. When the screening work is completed, the baffle 11 is pulled out, so that the screened material falls into the interior of the pull-out box 15 through the through slot 9 for unified collection, and then the servo motor is used to collect the material. The output end of the machine 202 drives the threaded rod 203 to rotate, and the threaded rod 203 drives the screw block 204 to move forward and backward through the action of the threaded connection, so that the brush roller 207 contacts the surface of the screen 3. During the forward and backward movement of the screw block 204, the slider 208 is driven to slide in the inner cavity of the slide groove 209, thereby improving the stability of the screw block 204 during the movement. During the movement of the brush roller 207, the output end of the rotating motor 206 drives the brush roller 207 to rotate, and the material stuck on the mesh of the screen 3 is brushed off, thereby avoiding the blockage of the screen 3, facilitating the subsequent screening operation, and improving the practicability of the equipment.

[0036] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A vibrating screen, characterized in that: The invention comprises a bottom plate (1) and a screen (3), wherein the top of the bottom plate (1) is fixedly connected to a box (4), the top of the box (4) is connected to a feed pipe (23), a pull-out box (15) is arranged at the middle end of the top of the bottom plate (1), a vibrator (5) is fixedly connected to the front side of the bottom of the screen (3), a cleaning mechanism (2) is arranged in the inner cavity of the box (4), the cleaning mechanism (2) comprises a device box (201), the device box (201) is fixedly connected to the left side of the box (4), the front side of the device box (201) is fixedly connected to a servo motor (202), and the servo motor (202) ) is rotatably connected to an output end of a threaded rod (203), an outer surface of the threaded rod (203) is threadedly connected to a screw block (204), an L-shaped plate (205) is fixedly connected to the right side of the screw block (204), an outer side of the L-shaped plate (205) is fixedly connected to a rotating motor (206), an output end of the rotating motor (206) is rotatably connected to a brush roller (207), a bottom of the screw block (204) is fixedly connected to a slider (208), a slide groove (209) is provided at the bottom of the inner cavity of the device box (201), and the bottom of the slider (208) is slidably connected to the inner cavity of the slide groove (209).

2. A vibrating screen according to claim 1, characterized in that: The bottom of the inner cavity of the box body (4) is fixedly connected to fixed seats (6) on all sides, the tops of the four fixed seats (6) are fixedly connected to hard springs (7), and the tops of the four hard springs (7) are fixedly connected to the bottom of the screen (3) on all sides.

3. A vibrating screen according to claim 1, characterized in that: Guide plates (8) are fixedly connected to the left and right sides of the bottom of the inner cavity of the box body (4), and a through groove (9) is provided at the middle end of the bottom of the inner cavity of the box body (4).

4. A vibrating screen according to claim 1, characterized in that: A card slot (10) is provided on the front side of the box body (4), and a baffle (11) is clamped on the inner side of the card slot (10).

5. A vibrating screen according to claim 1, characterized in that: A bracket (12) is fixedly connected to the front side of the device box (201), and the top of the bracket (12) is in contact with the bottom of the device box (201).

6. A vibrating screen according to claim 1, characterized in that: The left side of the device box (201) is connected to a cover plate (13) via a thread, and the outer side of the cover plate (13) and the front side of the box body (4) are both fixedly connected to a glass window (14).

7. A vibrating screen according to claim 1, characterized in that: Guide blocks (16) are fixedly connected to the four sides of the bottom of the pull-out box (15), and guide grooves (17) are provided on the left and right sides of the top of the bottom plate (1), and the bottoms of the four guide blocks (16) are slidably connected to the inner cavities of two guide grooves (17).

8. A vibrating screen according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected to moving wheels (18) on all sides, the top of the base plate (1) is fixedly connected to threaded sleeves (19) on both left and right sides, the inner walls of the two threaded sleeves (19) are connected to screw rods (20) via threads, the bottoms of the two screw rods (20) are fixedly connected to positioning plates (21), and the tops of the two screw rods (20) are fixedly connected to hand wheels (22).

Images