Vibrating screen

Abstract

The utility model discloses a vibrating screen, which relates to the technical field of vibrating screens, and comprises a support frame, a material screening cover is arranged in the support frame, a coarse mesh screen and a fine mesh screen are fixedly arranged in the material screening cover, the coarse mesh screen is arranged above the fine mesh screen, one end of the upper surface of the material screening cover is fixedly provided with a feed port, and the other end of the upper surface of the material screening cover is fixedly provided with a discharge port. And the other end of the lower surface of the screening cover is horizontally and sequentially provided with a long material port, a finished product port and a powder port. The supporting frame is arranged, the material screening cover is arranged in the supporting frame, and the coarse-mesh screen and the fine-mesh screen are arranged on the upper portion and the lower portion of the interior of the material screening cover, after materials enter the material screening cover, the materials firstly fall on the coarse-mesh screen, the coarse-mesh screen can screen large materials, then the materials fall on the fine-mesh screen, and therefore the materials can be screened through the fine-mesh screen. And the coarse-mesh screen can screen qualified materials, the fine-mesh screen can screen the qualified materials, and the coarse-mesh screen and the fine-mesh screen are matched, so that the materials can be screened in various specifications, and the screening effect of the materials is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, and particularly relates to a vibrating screen. Background Technique

[0002] In the industrial production process, screening is a commonly used process means, which can vibrate materials to realize the separation and screening of materials of different sizes, so as to prepare for subsequent processes.

[0003] For example, the vibrating screen with the publication number of CN219168869U includes a frame. A screen frame is installed on the left side of the upper end of the frame. The left end of the screen frame is rotatably connected to the frame. The right end of the screen frame is fixedly connected with a force-bearing plate. A connecting plate is arranged at the lower end of the force-bearing plate. Springs are evenly arranged at the front and rear ends between the connecting plate and the force-bearing plate. A support plate is fixedly connected to the frame. The connecting plate is fixed on the support plate by bolts. A motor is connected to the frame by bolts. The left side of the output shaft of the motor is connected with an eccentric wheel. The eccentric wheel is located below the force-bearing plate. A discharge plate is arranged below the frame. The discharge plate is located below the screen frame. In the utility model, the motor drives the eccentric wheel to rotate. The eccentric wheel can lift the force-bearing plate. With the cooperation of the springs, the screen frame vibrates, and the materials added to the screen frame are separated. The structure is simple and easy to use.

[0004] The above technical solution has some problems in practical applications. The screening range of this technical solution for materials is limited, and powdery materials will adhere to the inside of the equipment during the screening process, affecting the subsequent screening work.

[0005] Therefore, it is very necessary to invent a vibrating screen to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a vibrating screen to solve the problems put forward in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A vibrating screen, comprising a support frame, inside which a material screening cover is provided, and one end of the material screening cover is movably arranged at one end of the inner side wall of the support frame through a pin shaft. Inside the material screening cover, a coarse-hole screen and a fine-hole screen are fixedly arranged, and the coarse-hole screen is arranged above the fine-hole screen. At one end of the upper surface of the material screening cover, a feed inlet is fixedly arranged. At the other end of the lower surface of the material screening cover, a long-material outlet, a finished-material outlet and a powder-material outlet are horizontally arranged in sequence. The top end of the long-material outlet extends to one end of the coarse-hole screen, the top end of the finished-material outlet extends to one end of the fine-hole screen, and the top end of the powder-material outlet extends to the bottom end of the material screening cover. At one end of the outer side wall of the support frame, a driving motor is fixedly arranged. On the output shaft of the driving motor, a transmission rod is fixedly arranged. In the middle of the transmission rod, a transmission disk is fixedly arranged. On the outer side wall of the transmission disk, a swing arm is movably arranged through a pin shaft. At one end of the swing arm, a movable rod is movably arranged through a pin shaft, and the movable rod is fixedly arranged at one end of the lower surface of the material screening cover.

[0008] Preferably, a fixed rod is fixedly arranged in the middle of the inner side of the support frame. In the middle of the fixed rod, a movable block is movably arranged through a pin shaft, and a torsion spring is arranged between the movable block and the fixed rod.

[0009] Preferably, in the middle of the outer side of the movable block, an extension arm is fixedly arranged. On the outer side wall of the transmission disk, a movable column is fixedly arranged, and the movable column corresponds to the extension arm.

[0010] Preferably, an air inlet is fixedly arranged at one end of the material screening cover, and the air inlet is arranged between the coarse-hole screen and the fine-hole screen.

[0011] Preferably, an air outlet is fixedly arranged at the top end of the material screening cover. A cold air blower is arranged on one side of the support frame, and the output port of the cold air blower is connected to the air outlet through an air duct.

[0012] Preferably, a carbon steel base is arranged at the bottom end of the support frame. At the four corners of the upper surface of the carbon steel base, the support frame is fixedly connected to the bottom end through high-strength springs.

[0013] The technical effects and advantages of the present utility model are as follows:

[0014] 1. By setting the support frame, with the material screening cover arranged inside the support frame, and the coarse-hole screen and the fine-hole screen arranged vertically inside the material screening cover. After the material enters the material screening cover, it first falls on the coarse-hole screen, and the coarse-hole screen can screen out large pieces of material. Then the material falls on the fine-hole screen, and the fine-hole screen can screen out qualified material. The cooperation of the coarse-hole screen and the fine-hole screen can achieve the screening of materials of various specifications to ensure the screening effect of the materials.

[0015] 2. The utility model drives the screening material cover by arranging a support frame, a transmission rod is arranged inside the support frame, a transmission disc is arranged in the middle of the transmission rod, and the transmission disc drives the screening material cover through a swing arm and a movable rod, so that the screening material cover swings around a pin shaft. By arranging a movable block on one side of the transmission disc, the movable block can be extruded by a movable column and an extension arm during the rotation of the transmission disc, so that the movable block extrudes a torsion spring to store energy, and then the movable block hammers the bottom end of the screening material cover under the action of the torsion spring, so as to prevent powdery materials from adhering to the inside of the screening material cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 is a schematic top view of the overall structure of the utility model.

[0018] Figure 3 is a schematic diagram of the support frame structure of the utility model.

[0019] Figure 4 is a schematic diagram of the inside of the support frame structure of the utility model.

[0020] In the figure: 1. Support frame; 2. Screening material cover; 3. Coarse-hole screen; 4. Fine-hole screen; 5. Feed inlet; 6. Long-material outlet; 7. Finished-product outlet; 8. Powder-material outlet; 9. Driving motor; 10. Transmission rod; 11. Transmission disc; 12. Swing arm; 13. Movable rod; 14. Fixed rod; 15. Torsion spring; 16. Movable block; 17. Extension arm; 18. Movable column; 19. Air inlet; 20. Air outlet; 21. Cooling fan; 22. Air duct; 23. Carbon steel base; 24. High-strength spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model provides a vibrating screen as Figures 1-4 shown, including a support frame 1, a screening material cover 2 is arranged inside the support frame 1, and one end of the screening material cover 2 is movably arranged at one end of the inner side wall of the support frame 1 through a pin shaft. A coarse-hole screen 3 and a fine-hole screen 4 are fixedly arranged inside the screening material cover 2, and the coarse-hole screen 3 is arranged above the fine-hole screen 4;

[0023] Specifically, one end of the upper surface of the screening hood 2 is fixedly provided with a feed inlet 5. At the other end of the lower surface of the screening hood 2, a long material outlet 6, a finished product material outlet 7, and a powder material outlet 8 are arranged horizontally in sequence. The top end of the long material outlet 6 extends to one end of the coarse-hole screen 3, the top end of the finished product material outlet 7 extends to one end of the fine-hole screen 4, and the top end of the powder material outlet 8 extends to the bottom end of the screening hood 2. The large pieces of material in the material are screened above the coarse-hole screen 3, the powdery material is screened below the fine-hole screen 4, and the qualified material stays between the coarse-hole screen 3 and the fine-hole screen 4. After the material screening is completed, the material is discharged through the long material outlet 6, the finished product material outlet 7, and the powder material outlet 8 respectively;

[0024] More specifically, one end of the outer side wall of the support frame 1 is fixedly provided with a driving motor 9. The output shaft of the driving motor 9 is fixedly provided with a transmission rod 10. A transmission disc 11 is fixedly provided in the middle of the transmission rod 10. A swing arm 12 is movably arranged on the outer side wall of the transmission disc 11 through a pin shaft. One end of the swing arm 12 is movably arranged with a movable rod 13 through a pin shaft, and the movable rod 13 is fixedly provided at one end of the lower surface of the screening hood 2. The transmission disc 11 drives the movable rod 13 to move through the swing arm 12, and the movable rod 13 drives the screening hood 2 to move, so that the screening hood 2 rotates around the pin shaft;

[0025] Moreover, a fixed rod 14 is fixedly provided in the middle of the inner side of the support frame 1. A movable block 16 is movably arranged in the middle of the fixed rod 14 through a pin shaft, and a torsion spring 15 is arranged between the movable block 16 and the fixed rod 14. An extension arm 17 is fixedly provided in the middle of the outer side of the movable block 16. A movable column 18 is fixedly provided on the outer side wall of the transmission disc 11, and the movable column 18 corresponds to the extension arm 17. The transmission disc 11 squeezes the extension arm 17 through the movable column 18, and the extension arm 17 drives the movable block 16 to rotate, so that the movable block 16 squeezes the torsion spring 15. After the transmission disc 11 rotates within a certain range, the extension arm 17 is separated from the movable column 18. At this time, the movable block 16 knocks on the lower surface of the screening hood 2 under the action of the torsion spring 15;

[0026] In addition, an air inlet 19 is fixedly provided at one end of the screening hood 2, and the air inlet 19 is arranged between the coarse-hole screen 3 and the fine-hole screen 4. An air outlet 20 is fixedly provided at the top end of the screening hood 2. A cold air blower 21 is arranged on one side of the support frame 1, and the output port of the cold air blower 21 is connected with the air outlet 20 through an air duct 22. The cold air blower 21 can convey cold air into the screening hood 2 through the air duct 22 and the air outlet 20 to cool the material;

[0027] At the same time, a carbon steel base 23 is arranged at the bottom end of the support frame 1. The four corners of the upper surface of the carbon steel base 23 are fixedly connected with the bottom end of the support frame 1 through high-strength springs 24. The carbon steel base 23 can support the device, and the high-strength springs 24 can prevent the vibration of the screening hood 2 from affecting the carbon steel base 23.

[0028] The working principle of the utility model:

[0029] When this device is in use, the material to be screened is put into the screening material cover 2 through the feed inlet 5. The material first falls above the coarse-hole screen 3, and then after being screened by the coarse-hole screen 3, it falls above the fine-hole screen 4, and is discharged after being screened by the fine-hole screen 4. During this process, the large pieces of material in the material are screened above the coarse-hole screen 3, the powdery material is screened below the fine-hole screen 4, and the qualified material stays between the coarse-hole screen 3 and the fine-hole screen 4. After the material screening is completed, they are discharged through the long material outlet 6, the finished product material outlet 7, and the powder material outlet 8 respectively;

[0030] During the screening process of the material, the driving motor 9 drives the transmission rod 10 to rotate, the transmission rod 10 drives the transmission disk 11 to rotate, the transmission disk 11 drives the movable rod 13 to move through the swing arm 12, the movable rod 13 drives the screening material cover 2 to move, so that the screening material cover 2 rotates around the pin shaft. And, the transmission disk 11 squeezes the extension arm 17 through the movable column 18, the extension arm 17 drives the movable block 16 to rotate, so that the movable block 16 squeezes the torsion spring 15. After the transmission disk 11 rotates within a certain range, the extension arm 17 separates from the movable column 18. At this time, the movable block 16 knocks on the lower surface of the screening material cover 2 under the action of the torsion spring 15 to prevent the powdery raw material inside the screening material cover 2 from adhering to its inner wall.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A vibrating screen, comprising a support frame (1), characterized in that: A sieve cover (2) is provided inside the support frame (1), and one end of the sieve cover (2) is movably arranged on one end of the inner wall of the support frame (1) through a pin shaft. A coarse-pore screen (3) and a fine-pore screen (4) are fixedly arranged inside the sieve cover (2), and the coarse-pore screen (3) is arranged above the fine-pore screen (4). A feed port (5) is fixedly provided on one end of the upper surface of the sieve cover (2), and a long feed port (6), a finished product feed port (7) and a powder feed port (8) are horizontally arranged in sequence on the other end of the lower surface of the sieve cover (2). The top end of the long feed port (6) extends to one end of the coarse-pore screen (3), and the finished product feed port (7) and the powder feed port (8) are fixedly provided on one end of the upper surface of the sieve cover (2). The top end of the material port (7) extends to one end of the fine mesh screen (4), the top end of the powder material port (8) extends to the bottom end of the sieve cover (2), a driving motor (9) is fixedly provided at one end of the outer wall of the support frame (1), a transmission rod (10) is fixedly provided on the output shaft of the driving motor (9), a transmission plate (11) is fixedly provided in the middle of the transmission rod (10), a swing arm (12) is movably provided on the outer wall of the transmission plate (11) via a pin shaft, a movable rod (13) is movably provided at one end of the swing arm (12) via a pin shaft, and the movable rod (13) is fixedly provided on one end of the lower surface of the sieve cover (2); A fixing rod (14) is fixedly provided at the middle part of the inner side of the support frame (1), a movable block (16) is movably provided at the middle part of the fixing rod (14) via a pin, and a torsion spring (15) is provided between the movable block (16) and the fixing rod (14); An extension arm (17) is fixedly provided at the middle portion of the outer side of the movable block (16), and a movable column (18) is fixedly provided on the outer side wall of the transmission plate (11), and the movable column (18) corresponds to the extension arm (17).

2. A vibrating screen according to claim 1, characterized in that: An air inlet (19) is fixedly provided at one end of the screening cover (2), and the air inlet (19) is arranged between the coarse-pore screen (3) and the fine-pore screen (4).

3. A vibrating screen according to claim 2, characterized in that: An air outlet (20) is fixedly provided at the top of the screening cover (2), an air cooler (21) is provided at one side of the support frame (1), and an output port of the air cooler (21) is connected to the air outlet (20) via an air guide pipe (22).

4. A vibrating screen according to claim 3, characterized in that: A carbon steel base (23) is provided at the bottom end of the support frame (1), and the four corners of the upper surface of the carbon steel base (23) are fixedly connected to the bottom end of the support frame (1) via high-strength springs (24).

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