Elastic screen vibrating screen with adjustable tension

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a tension-adjustable elastic screen vibrating screen which comprises a rectangular frame, two vertical plates distributed left and right are fixedly connected to the upper end face of the rectangular frame, a first motor is installed on the left end face of the vertical plate located at the left end, and the output end of the first motor penetrates through the vertical plates and is fixedly connected with a first lead screw. The other end of the first lead screw is movably connected with the vertical plate at the right end through a bearing, the outer wall of the first lead screw is in threaded connection with two first threaded sleeves which are distributed left and right, the opposite ends of the two first threaded sleeves are fixedly connected with first limiting plates, and a second motor is started to drive the second lead screw to rotate; when a second lead screw rotates, two second threaded sleeves can be driven to move reversely, so that second limiting plates corresponding to the second threaded sleeves move reversely in second limiting grooves, the elastic screen can be driven to stretch longitudinally, the tensioning force of the elastic screen can be adjusted, the elastic screen is relatively flat, and the service life of the elastic screen is prolonged. Therefore, the service life of the elastic screen is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a tension-adjustable elastic screen vibrating screen. Background Art

[0002] The vibrating screen can screen and sort materials. There is a screen on the vibrating screen. The material on the screen is screened by vibration, so that the small-diameter material falls under the screen and is discharged from the discharge port below the vibrating screen, and the large-diameter material remains on the screen to achieve screening and sorting.

[0003] It is usually inconvenient to adjust the tension of the existing vibrating screen. After long-term use, the middle of the screen will become concave and uneven, thereby reducing the service life of the screen. Therefore, a tension-adjustable elastic screen vibrating screen is proposed. Utility Model Content

[0004] The utility model aims to provide a tension-adjustable elastic screen vibrating screen, which has the characteristics of being able to adjust the tension of the screen to make the screen relatively flat, thereby increasing the service life of the screen.

[0005] The utility model aims to provide a tension-adjustable elastic mesh vibrating screen, comprising a rectangular frame, wherein the upper end surface of the rectangular frame is fixedly connected to two vertical plates distributed on the left and right, a first motor is installed on the left end surface of the vertical plate at the left end, an output end of the first motor passes through the vertical plate and is fixedly connected to a first screw rod, the other end of the first screw rod is movably connected to the vertical plate at the right end through a bearing, an outer wall of the first screw rod is threadedly connected to two first threaded sleeves distributed on the left and right, and the opposite ends of the two first threaded sleeves are fixedly connected to a first limit plate;

[0006] The upper end surface of the rectangular frame is fixedly connected to two front and rear distributed fixing plates, a second motor is installed on the rear end surface of the fixing plate at the rear end, an output end of the second motor passes through the fixing plate and is fixedly connected to a second screw rod, the other end of the second screw rod is movably connected to the front fixing plate through a bearing, the outer wall of the second screw rod is threadedly connected to two second threaded sleeves that are relatively distributed, and the two second threaded sleeves are fixedly connected to second limit plates on opposite sides;

[0007] An elastic screen is arranged above the rectangular frame, and both left and right end surfaces inside the elastic screen are provided with first limiting grooves matching the first limiting plate, and both front and rear end surfaces inside the elastic screen are provided with second limiting grooves matching the second limiting plate.

[0008] In order to facilitate the vibration of the rectangular frame, as a preferred embodiment of the utility model of the elastic mesh vibrating screen with adjustable tension, the lower end surface of the rectangular frame is fixedly connected to two support plates distributed front and back, and vibration motors are installed on the opposite sides of the two support plates.

[0009] In order to assist the vibration of the rectangular frame, as a preferred embodiment of the utility model of the elastic mesh vibrating screen with adjustable tension, the four corners of the lower end surface of the rectangular frame are fixedly connected with springs, and the lower end surfaces of the four springs are fixedly connected with support frames.

[0010] In order to prevent the two first threaded sleeves from axially rotating, as a preferred embodiment of the elastic screen vibrating screen with adjustable tension of the utility model, a first limiting rod is fixedly connected between the two vertical plates, and the two first threaded sleeves are slidably connected to the first limiting rod.

[0011] In order to prevent the two second threaded sleeves from axially rotating, as a preferred embodiment of the elastic screen vibrating screen with adjustable tension of the utility model, a second limiting rod is fixedly connected between the two fixed plates, and the two second threaded sleeves are slidably connected to the second limiting rod.

[0012] In order to conveniently block the material and prevent it from spilling out, as a preferred embodiment of the utility model of the elastic screen vibrating screen with adjustable tension, the upper end surface of the elastic screen is fixedly connected with an elastic baffle.

[0013] In order to facilitate the reverse movement of the two first threaded sleeves and the two second threaded sleeves, as a preferred embodiment of the tension-adjustable elastic screen vibrating screen of the utility model, the first screw rod and the second screw rod are both double-threaded screw rods.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model starts the first motor to drive the first screw to rotate, and when the first screw rotates, the two first threaded sleeves are driven to move in opposite directions, thereby driving the two corresponding first limiting plates to move in opposite directions inside the two first limiting grooves, respectively, thereby driving the elastic screen to stretch horizontally;

[0016] Start the second motor to drive the second screw rod to rotate. When the second screw rod rotates, it will drive the two second threaded sleeves to move in the opposite direction, so that the corresponding second limit plate can move in the opposite direction inside the second limit groove, thereby driving the elastic screen to stretch longitudinally, so as to achieve the purpose of adjusting the tension of the elastic screen, making the elastic screen relatively flat, and increasing the service life of the elastic screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 It is a rectangular frame structure diagram of the utility model;

[0019] Figure 3 This is a structural diagram of the elastic screen of the utility model.

[0020] In the figure: 1. support frame; 2. rectangular frame; 3. elastic screen; 4. vertical plate; 5. first motor; 6. first screw rod; 7. first limiting rod; 8. first threaded sleeve; 9. first limiting plate; 10. fixed plate; 11. second motor; 12. second screw rod; 13. second limiting rod; 14. support plate; 15. vibration motor; 16. spring; 17. second limiting groove; 18. first limiting groove; 19. elastic baffle; 20. second limiting plate; 21. second threaded sleeve. DETAILED DESCRIPTION

[0021] See also Figures 1 to 3 , a tension-adjustable elastic mesh vibrating screen comprises a rectangular frame 2, the upper end surface of the rectangular frame 2 is fixedly connected to two vertical plates 4 distributed on the left and right, a first motor 5 is installed on the left end surface of the left vertical plate 4, an output end of the first motor 5 passes through the vertical plate 4 and is fixedly connected to a first screw rod 6, the other end of the first screw rod 6 is movably connected to the vertical plate 4 on the right end through a bearing, the outer wall of the first screw rod 6 is threadedly connected to two first threaded sleeves 8 distributed on the left and right, and the opposite ends of the two first threaded sleeves 8 are fixedly connected to a first limit plate 9;

[0022] The upper end surface of the rectangular frame 2 is fixedly connected to two front and rear distributed fixing plates 10, and a second motor 11 is installed on the rear end surface of the rear fixing plate 10. The output end of the second motor 11 passes through the fixing plate 10 and is fixedly connected to a second screw rod 12. The other end of the second screw rod 12 is movably connected to the front fixing plate 10 through a bearing. The outer wall of the second screw rod 12 is threadedly connected to two relatively distributed second threaded sleeves 21, and the opposite sides of the two second threaded sleeves 21 are fixedly connected to a second limit plate 20;

[0023] An elastic screen 3 is arranged above the rectangular frame 2, and the left and right end surfaces inside the elastic screen 3 are provided with first limiting grooves 18 matching the first limiting plate 9, and the front and rear end surfaces inside the elastic screen 3 are provided with second limiting grooves 17 matching the second limiting plate 20.

[0024] In the present embodiment: when the elastic screen 3 is depressed in the middle after long-term use and the tensioning force needs to be adjusted, the first motor 5 is first started to drive the first screw rod 6 to rotate. When the first screw rod 6 rotates, it drives the two first threaded sleeves 8 to move in the opposite direction. When the two first threaded sleeves 8 move in the opposite direction, they will drive the corresponding first limiting plates 9 to move in the opposite direction inside the first limiting groove 18, thereby driving the elastic screen 3 to stretch horizontally; the second motor 11 is started to drive the second screw rod 12 to rotate. When the second screw rod 12 rotates, it will drive the two second threaded sleeves 21 to move in the opposite direction, thereby making the corresponding second limiting plates 20 move in the opposite direction inside the second limiting groove 17, thereby driving the elastic screen 3 to stretch longitudinally, so as to achieve the purpose of adjusting the tensioning force of the elastic screen 3, making the elastic screen 3 relatively flat, and thus increasing the service life of the elastic screen 3;

[0025] The elastic screen 3 is made of a high-elasticity and high-toughness material, so that the elastic screen 3 can be easily stretched horizontally and vertically.

[0026] As a technical optimization solution of the utility model, the lower end surface of the rectangular frame 2 is fixedly connected with two support plates 14 distributed front and back, and the vibration motors 15 are installed on the opposite sides of the two support plates 14.

[0027] In this embodiment: two vibration motors 15 can drive the rectangular frame 2 to vibrate, thereby driving the elastic screen 3 to vibrate.

[0028] As a technical optimization solution of the present invention, springs 16 are fixedly connected to the four corners of the lower end surface of the rectangular frame 2, and the lower end surfaces of the four springs 16 are fixedly connected to the support frame 1.

[0029] In this embodiment: four springs 16 are used to assist the rectangular frame 2 in vibrating.

[0030] As a technical optimization solution of the utility model, a first limiting rod 7 is fixedly connected between the two vertical plates 4 , and the two first threaded sleeves 8 are both slidably connected to the first limiting rod 7 .

[0031] In this embodiment, the two first threaded sleeves 8 can be prevented from axially rotating by making the two first threaded sleeves 8 slidably connected to the first limiting rod 7 .

[0032] As a technical optimization solution of the present invention, a second limiting rod 13 is fixedly connected between the two fixing plates 10 , and the two second threaded sleeves 21 are both slidably connected to the second limiting rod 13 .

[0033] In this embodiment, the two second threaded sleeves 21 are slidably connected to the second limiting rod 13 , so that the two second threaded sleeves 21 can be prevented from axially rotating.

[0034] As a technical optimization solution of the present invention, an elastic baffle 19 is fixedly connected to the upper end surface of the elastic screen 3 .

[0035] In this embodiment, the material to be screened can be blocked by the elastic baffle 19 .

[0036] As a technical optimization solution of the present invention, the first screw rod 6 and the second screw rod 12 are both double-threaded screw rods.

[0037] In this embodiment: the first screw rod 6 and the second screw rod 12 are both configured as double-thread screw rods, so that the two first threaded sleeves 8 and the two second threaded sleeves 21 can move in opposite directions conveniently.

[0038] Working principle: During use, when the elastic screen 3 is depressed in the middle after long-term use and the tensioning force needs to be adjusted, first start the first motor 5 to drive the first screw rod 6 to rotate. When the first screw rod 6 rotates, it drives the two first threaded sleeves 8 to move in the opposite direction. When the two first threaded sleeves 8 move in the opposite direction, they will drive the corresponding first limit plates 9 to move in the opposite direction inside the first limit groove 18, thereby driving the elastic screen 3 to stretch horizontally; start the second motor 11 to drive the second screw rod 12 to rotate. When the second screw rod 12 rotates, it will drive the two second threaded sleeves 21 to move in the opposite direction, thereby making the corresponding second limit plates 20 move in the opposite direction inside the second limit groove 17, thereby driving the elastic screen 3 to stretch longitudinally, so as to achieve the purpose of adjusting the tensioning force of the elastic screen 3, making the elastic screen 3 relatively flat, and thus increasing the service life of the elastic screen 3.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tension-adjustable elastic mesh vibrating screen, comprising a rectangular frame (2), characterized in that: The upper end surface of the rectangular frame (2) is fixedly connected to two vertical plates (4) distributed on the left and right, and a first motor (5) is installed on the left end surface of the vertical plate (4) at the left end, the output end of the first motor (5) passes through the vertical plate (4) and is fixedly connected to a first screw rod (6), the other end of the first screw rod (6) is movably connected to the vertical plate (4) at the right end through a bearing, the outer wall of the first screw rod (6) is threadedly connected to two first threaded sleeves (8) distributed on the left and right, and the opposite ends of the two first threaded sleeves (8) are fixedly connected to a first limit plate (9); The upper end surface of the rectangular frame (2) is fixedly connected to two front-to-rear distributed fixing plates (10); a second motor (11) is installed on the rear end surface of the fixing plate (10) at the rear end; an output end of the second motor (11) passes through the fixing plate (10) and is fixedly connected to a second screw rod (12); the other end of the second screw rod (12) is movably connected to the fixing plate (10) at the front end via a bearing; the outer wall of the second screw rod (12) is threadedly connected to two second threaded sleeves (21) that are relatively distributed; and the two second threaded sleeves (21) are fixedly connected to a second limiting plate (20) on opposite sides thereof; An elastic screen (3) is arranged above the rectangular frame (2), and first limit grooves (18) matching the first limit plate (9) are provided on both left and right end surfaces inside the elastic screen (3), and second limit grooves (17) matching the second limit plate (20) are provided on both front and rear end surfaces inside the elastic screen (3).

2. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: The lower end surface of the rectangular frame (2) is fixedly connected to two support plates (14) distributed front and back, and a vibration motor (15) is installed on the opposite sides of the two support plates (14).

3. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: The four corners of the lower end surface of the rectangular frame (2) are fixedly connected to springs (16), and the lower end surfaces of the four springs (16) are fixedly connected to a support frame (1).

4. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: A first limiting rod (7) is fixedly connected between the two vertical plates (4), and the two first threaded sleeves (8) are both slidably connected to the first limiting rod (7).

5. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: A second limiting rod (13) is fixedly connected between the two fixing plates (10), and the two second threaded sleeves (21) are both slidably connected to the second limiting rod (13).

6. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: An elastic baffle (19) is fixedly connected to the upper end surface of the elastic screen (3).

7. The tension-adjustable elastic mesh vibrating screen according to claim 1, characterized in that: The first screw rod (6) and the second screw rod (12) are both double-threaded screw rods.

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