Vibrating screen for mine
The vibrating screen design with eccentric rods and springs solves the problems of inconvenient maintenance and wear caused by rigid connections, achieving efficient screening and flexible angle adjustment, and improving the service life and maintenance convenience of the equipment.
Patent Information
- Application Number
- CN202520024455.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The power source of existing vibrating screens used in mines is rigidly connected to the screen mesh, making it difficult to disassemble or adjust, resulting in inconvenient maintenance and severe wear.
It adopts an eccentric rod and spring structure. The eccentric rod is driven to rotate by a vibrating motor, which drives the screen to move up and down. The screening is achieved by combining the reaction force of the spring. The screen tilt angle is adjusted by a dual-head motor, and a soft connection is used to reduce mechanical wear.
This has resulted in improved screening efficiency and increased equipment flexibility, reduced wear on mechanical parts, and enhanced equipment maintenance convenience and service life.
Smart Images

Figure CN223733272U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vibrating screen technology, and in particular to a vibrating screen mesh for mining. Background Technology
[0002] Vibrating screens used in mines are generally used to screen crushed stone materials. The stone materials pass through the screen mesh, and the stone materials larger than the screen mesh diameter remain on the screen mesh, while the stone materials smaller than the screen mesh diameter fall below the screen mesh.
[0003] In existing vibrating screen technologies, some devices use a rigid connection between the power source and the screen mesh. This connection method is usually difficult to disassemble or adjust. This causes inconvenience when maintenance, disassembly, or replacement of parts is required, and the rigid connection method causes severe wear and tear on the power source. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a vibrating screen for mining.
[0005] This utility model is achieved using the following technical solution: a vibrating screen for mining, comprising a screen base, a motor mounting base fixedly connected to the front of the screen base, a vibrating motor fixedly connected to the top of the motor mounting base, a motor rotating rod fixedly connected to the output end of the vibrating motor, a power transmission belt fixedly connected to the outer wall of the motor rotating rod, a rotating rod fixedly connected to the end of the power transmission belt away from the motor rotating rod, an eccentric rod fixedly connected to the outer wall of the rotating rod, a baffle rotatably connected to the outer wall of the rotating rod, the rotating rod penetrating the inner wall of the baffle and extending therefrom, a vibrating screen one fixedly connected to the outer wall of the baffle, a hole opened in the inner wall of the vibrating screen one, the outer wall of the eccentric rod contacting and set on the outer wall of the hole, a support rod fixedly connected to the top of the vibrating screen one, a clearance groove opened at the bottom of the support rod, a limit rod slidably connected to the inner wall of the clearance groove, the bottom of the limit rod fixedly connected to the top of the screen base, a spring fixedly connected to the bottom of the vibrating screen one, and the bottom of the spring fixedly connected to the top of the screen base.
[0006] As a further improvement to the above solution, several power transmission belts are provided, and the several power transmission belts are evenly arranged around the center of the motor rotating rod. Several support rods are provided, and the several support rods are symmetrically arranged around the center of the vibrating screen. Several springs are provided, and the several springs are symmetrically arranged around the center of the screen base.
[0007] With the above technical solution, the vibrating motor is operated, the output end of the vibrating motor rotates the motor rotating rod, the motor rotating rod rotates the power transmission belt, the power transmission belt rotates the rotating rod, the rotating rod rotates the eccentric rod, the eccentric rod rotates along the hole in the inner wall of the vibrating screen, when the eccentric rod rotates to the bottom, the vibrating screen moves downward as a whole, and at the same time the limiting rod moves upward along the clearance groove.
[0008] As a further improvement to the above solution, a second vibrating screen is fixedly connected to the outer wall of the support rod, a third vibrating screen is fixedly connected to the top of the support rod, and a discharge port is fixedly connected to the right side of the first vibrating screen.
[0009] As a further improvement to the above scheme, a discharge port two is fixedly connected to the right side of the vibrating screen two, a discharge port three is fixedly connected to the right side of the vibrating screen three, a fixing block is fixedly connected to the left side of the screen base, and a rotating rod two is rotatably connected to the inner wall of the fixing block.
[0010] As a further improvement to the above scheme, a connecting rod is rotatably connected to the outer wall of the rotating rod two, and a rotating rod three is rotatably connected to the inner wall of the end of the connecting rod away from the rotating rod two, and a fixing block two is rotatably connected to the outer wall of the rotating rod three.
[0011] As a further improvement to the above solution, a toothed connecting rod is fixedly connected to the end of the fixed block two away from the rotating rod three. A limiting shell is slidably connected to the outer wall of the toothed connecting rod. An avoidance groove two is provided on the right side of the limiting shell. The outer wall of the fixed block two is slidably connected to the inner wall of the avoidance groove two.
[0012] As a further improvement to the above solution, a dual-head motor is fixedly connected to the top of the limiting shell, a motor rotating rod two is fixedly connected to the output end of the dual-head motor, a gear is fixedly connected to the outer wall of the motor rotating rod two, and the outer wall of the gear is meshed with the outer wall of the toothed connecting rod.
[0013] Through the above technical solution, by operating a dual-head motor, the output end of the dual-head motor rotates the motor rotating rod two, the motor rotating rod two rotates the gear, the gear meshes with the toothed connecting rod, the toothed connecting rod moves upward along the limiting shell, and at the same time the toothed connecting rod drives the fixed block two to move upward along the clearance groove two.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This invention utilizes a vibrating motor. The output of the vibrating motor rotates a motor rod, which in turn rotates a power transmission belt. The power transmission belt then rotates a rotating rod, which in turn rotates an eccentric rod. The eccentric rod rotates along a hole in the inner wall of the vibrating screen. When the eccentric rod rotates to the bottom, the entire vibrating screen moves downwards, while a limiting rod moves upwards along a clearance groove. The vibrating screen then compresses a spring downwards. Through the repeated rotation of the eccentric rod, the vibrating screen drives the support rod to move up and down repeatedly. Simultaneously, the reaction force of the spring repeatedly pushes the vibrating screen up and down, thus achieving the screening function. The flexible belt connection has a certain degree of elasticity, effectively absorbing and mitigating vibration and impact loads in the system, reducing wear on mechanical parts.
[0016] This invention achieves the adjustment of the tilt angle of the screen base and the screen by operating a dual-head motor. The output end of the dual-head motor rotates the second motor rotating rod, which in turn rotates the gear. The gear meshes with the toothed connecting rod, which moves upward along the limiting shell. Simultaneously, the toothed connecting rod drives the second fixed block to move upward along the second clearance groove. The second fixed block drives the third rotating rod, which pulls the connecting rod. The connecting rod pulls the second rotating rod, which in turn pulls the fixed block. The fixed block then pulls the screen base, causing the left side of the screen base to move upward, thereby changing the tilt angle of the screen base and the screen. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a cross-sectional structural diagram of the vibrating screen of this utility model;
[0019] Figure 3 This is a schematic diagram of the eccentric rod structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the support rod of this utility model;
[0021] Figure 5 This utility model Figure 4 Enlarged structural diagram of section A in the middle;
[0022] Figure 6 This is a schematic diagram of the gear structure of this utility model.
[0023] Explanation of key symbols:
[0024] 1. Screen base; 2. Motor mounting base; 3. Vibrating motor; 4. Motor rotating rod; 5. Power transmission belt; 6. Rotating rod; 7. Eccentric rod; 8. Vibrating screen one; 9. Hole; 10. Baffle; 11. Support rod; 12. Clearance groove; 13. Limiting rod; 14. Spring; 15. Vibrating screen two; 16. Vibrating screen three; 17. Discharge port one; 18. Discharge port two; 19. Discharge port three; 20. Fixing block; 21. Rotating rod two; 22. Connecting rod; 23. Rotating rod three; 24. Fixing block two; 25. Toothed connecting rod; 26. Limiting housing; 27. Clearance groove two; 28. Double-headed motor; 29. Motor rotating rod two; 30. Gear. Detailed Implementation
[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0026] Example:
[0027] Please combine Figure 1-6 This embodiment discloses a vibrating screen for mining, comprising a screen base 1, a motor mounting base 2 fixedly connected to the front of the screen base 1, a vibrating motor 3 fixedly connected to the top of the motor mounting base 2, a motor rotating rod 4 fixedly connected to the output end of the vibrating motor 3, a power transmission belt 5 fixedly connected to the outer wall of the motor rotating rod 4, a rotating rod 6 fixedly connected to the end of the power transmission belt 5 away from the motor rotating rod 4, an eccentric rod 7 fixedly connected to the outer wall of the rotating rod 6, a baffle 10 rotatably connected to the outer wall of the rotating rod 6, the rotating rod 6 penetrating through the inner wall of the baffle 10 and extending therefrom, a vibrating screen 8 fixedly connected to the outer wall of the baffle 10, a hole 9 opened in the inner wall of the vibrating screen 8, the outer wall of the eccentric rod 7 contacting the outer wall of the hole 9, a support rod 11 fixedly connected to the top of the vibrating screen 8, a relief groove 12 opened at the bottom of the support rod 11, a limit rod 13 slidably connected to the inner wall of the relief groove 12, the bottom of the limit rod 13 fixedly connected to the top of the screen base 1, and a spring 14 fixedly connected to the bottom of the vibrating screen 8, the bottom of the spring 14 fixedly connected to the top of the screen base 1.
[0028] Several power transmission belts 5 are provided, and the power transmission belts 5 are evenly arranged around the center of the motor rotating rod 4. Several support rods 11 are provided, and the support rods 11 are symmetrically arranged around the center of the vibrating screen 8. Several springs 14 are provided, and the springs 14 are symmetrically arranged around the center of the screen base 1.
[0029] Vibrating screen 2 15 is fixedly connected to the outer wall of support rod 11, vibrating screen 3 16 is fixedly connected to the top of support rod 11, and discharge port 17 is fixedly connected to the right side of vibrating screen 1 8.
[0030] The vibrating screen 215 has a discharge port 218 fixedly connected to its right side, the vibrating screen 316 has a discharge port 319 fixedly connected to its right side, and the screen base 1 has a fixed block 20 fixedly connected to its left side. The inner wall of the fixed block 20 is rotatably connected to a rotating rod 21.
[0031] A connecting rod 22 is rotatably connected to the outer wall of rotating rod 21. A rotating rod 23 is rotatably connected to the inner wall of the end of the connecting rod 22 away from rotating rod 21. A fixing block 24 is rotatably connected to the outer wall of rotating rod 23.
[0032] The end of the fixed block 24 away from the rotating rod 3 23 is fixedly connected to the toothed connecting rod 25. The outer wall of the toothed connecting rod 25 is slidably connected to the limiting shell 26. The right side of the limiting shell 26 is provided with the relief groove 27. The outer wall of the fixed block 24 is slidably connected to the inner wall of the relief groove 27.
[0033] A dual-head motor 28 is fixedly connected to the top of the limiting housing 26. A motor rotating rod 29 is fixedly connected to the output end of the dual-head motor 28. A gear 30 is fixedly connected to the outer wall of the motor rotating rod 29. The outer wall of the gear 30 is meshed with the outer wall of the toothed connecting rod 25.
[0034] The implementation principle of a vibrating screen for mining in this embodiment is as follows: Vibrating motor 3 is operated, the output end of vibrating motor 3 rotates motor rotating rod 4, motor rotating rod 4 rotates power transmission belt 5, power transmission belt 5 rotates rotating rod 6, rotating rod 6 rotates eccentric rod 7, eccentric rod 7 rotates along the hole 9 on the inner wall of vibrating screen 8. When eccentric rod 7 rotates to the lower position, vibrating screen 8 moves downwards as a whole, while limiting rod 13 moves upwards along clearance groove 12. Then, vibrating screen 8 compresses spring 14 downwards. Through the repeated rotation of eccentric rod 7, vibrating screen 8 drives support rod 11 to move up and down repeatedly. At the same time, the reaction force of spring 14 repeatedly pushes vibrating screen 8 up and down, thereby achieving the screening function. The belt flexible connection has a certain elasticity, which can effectively absorb and alleviate vibration and impact loads in the system. To reduce wear on mechanical parts, when it is necessary to adjust the tilt angle of the screen base 1 and the screen, the double-headed motor 28 is operated. The output end of the double-headed motor 28 rotates the motor rotating rod 29, which in turn rotates the gear 30. The gear 30 meshes with the toothed connecting rod 25, which moves upward along the limiting shell 26. At the same time, the toothed connecting rod 25 drives the fixed block 24 to move upward along the clearance groove 27. The fixed block 24 drives the rotating rod 23, which pulls the connecting rod 22. The connecting rod 22 pulls the rotating rod 21, which pulls the fixed block 20. The fixed block 20 pulls the screen base 1, causing the left side of the screen base 1 to move upward. The screen base 1 drives the motor fixing seat 2, thereby realizing the change of the tilt angle of the screen base 1 and the screen, increasing the flexibility of the equipment and speeding up the screen speed.
[0035] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A mine screen, characterised in that, Including screen base (1), the screen base (1) front fixedly connected with motor fixed seat (2), the motor fixed seat (2) top fixedly connected with vibration motor (3), the vibration motor (3) output fixedly connected with motor rotating rod (4), the motor rotating rod (4) outer wall fixedly connected with power transmission belt (5), the power transmission belt (5) away from the one end of motor rotating rod (4) fixedly connected with rotating rod (6), the rotating rod (6) outer wall fixedly connected with eccentric rod (7), the rotating rod (6) outer wall rotationally connected with baffle (10), the rotating rod (6) passes through baffle (10) inner wall and extends, the baffle (10) outer wall fixedly connected with vibrating screen one (8), the vibrating screen one (8) inner wall is opened with hole (9), the eccentric rod (7) outer wall is contacted with the hole (9) outer wall, the vibrating screen one (8) top fixedly connected with support rod (11), the support rod (11) bottom is opened with avoiding slot (12), the avoiding slot (12) inner wall is slidably connected with limiting rod (13), the limiting rod (13) bottom is fixedly connected in screen base (1) top, the vibrating screen one (8) bottom fixedly connected with spring (14), the spring (14) bottom fixedly connected in screen base (1) top.
2. A mine screen as claimed in claim 1, characterised in that: The power transmission belt (5) is provided with several, several power transmission belts (5) are evenly arranged with the center of motor rotating rod (4), the support rod (11) is provided with several, several support rods (11) are symmetrically arranged with the center of vibrating screen one (8), the spring (14) is provided with several, several springs (14) are symmetrically arranged with the center of screen base (1).
3. A mine screen as claimed in claim 1, characterised in that: The support rod (11) outer wall fixedly connected with vibrating screen two (15), the support rod (11) top fixedly connected with vibrating screen three (16), the vibrating screen one (8) right side fixedly connected with discharge port one (17).
4. A mine screen as claimed in claim 3 wherein: The vibrating screen two (15) right side fixedly connected with discharge port two (18), the vibrating screen three (16) right side fixedly connected with discharge port three (19), the screen base (1) left side fixedly connected with fixed block (20), the fixed block (20) inner wall rotationally connected with rotating rod two (21).
5. A mine screen as claimed in claim 4, characterised in that: The rotating rod two (21) outer wall rotationally connected with connecting rod (22), the connecting rod (22) one end inner wall rotationally connected with rotating rod three (23) away from rotating rod two (21), the rotating rod three (23) outer wall rotationally connected with fixed block two (24).
6. A mine screen as claimed in claim 5 wherein: The fixed block two (24) one end fixedly connected with toothed link (25) away from rotating rod three (23), the toothed link (25) outer wall slidably connected with limiting housing (26), the limiting housing (26) right side is opened with avoiding slot two (27), the fixed block two (24) outer wall slidably connected in avoiding slot two (27) inner wall.
7. A mine screen as claimed in claim 6 wherein: The limiting shell (26) top fixed connection has double -end motor (28), double -end motor (28) output fixed connection has motor rotation pole two (29), motor rotation pole two (29) outer wall fixed connection has gear (30), gear (30) outer wall engagement connection in the toothed link (25) outer wall.