Discharging and screening device

Abstract

The utility model provides a discharged material screening device, which belongs to the technical field of screening devices and comprises a material receiving box arranged on the side face of a discharging machine and located below a discharging pipe of the discharging machine. An L-shaped supporting frame is arranged on the outer surface of the material receiving box, a motor is arranged on the side surface of the L-shaped supporting frame, a motor shaft of the motor is fixedly connected with one end of a reciprocating lead screw, and the other end of the reciprocating lead screw penetrates through the other L-shaped supporting frame to be fixedly connected with a rotating disc. A positioning column is arranged on the end surface of the turntable far away from the circle center; and one end, close to the discharging pipe, of the sieve plate penetrates through the box wall of the material receiving box and is connected with the positioning column through a connecting rod. The scraping rods can reciprocate to scrape materials on the surface of the sieve plate under the operation of the motor, so that the materials can be prevented from being attached to the surface of the sieve plate, and the materials are promoted to slide quickly.

Description

Technical Field

[0001] This utility model belongs to the technical field of screening devices, and specifically relates to a discharge screening device. Background Technology

[0002] Some discharge mechanisms, such as ball mills, crushers, and pulverizers, are equipped with screening devices at their discharge ports. However, these screening devices can only passively screen materials based on the speed and quality of the discharge. This achieves the effect of classifying the crushed materials by size and collecting large particles for further crushing during discharge. This solves the problem that existing discharge mechanisms often result in uneven material crushing and the presence of large particles that cannot be directly reused and require further crushing. However, the existing technology mixes the crushed particles of different sizes together, making the crushed material unsuitable for reuse and causing significant waste.

[0003] In the aforementioned prior art, the processed materials can be screened by setting up a discharge screening device. However, the filter screen used for screening in this device is fixed and mainly relies on the movement of the material when it falls to achieve screening. The screening efficiency is low and the screen is prone to clogging.

[0004] Therefore, it is necessary to propose a device that allows the filter screen to move in order to solve the above-mentioned defects. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a discharge screening device, including a receiving box, which is disposed on the side of the discharge machine and located below the discharge pipe of the discharge machine.

[0006] An L-shaped support frame is provided on the outer surface of the receiving box. A motor is provided on the side surface of the L-shaped support frame. The motor shaft of the motor is fixedly connected to one end of a reciprocating lead screw. The other end of the reciprocating lead screw passes through another L-shaped support frame and is fixedly connected to a turntable. A positioning post is provided on the end face of the turntable away from the center. A screen plate is slidably installed in the receiving box. The end of the screen plate near the discharge pipe passes through the box wall of the receiving box and is connected to the positioning post through a connecting rod.

[0007] Furthermore, a scraper is slidably installed in the receiving box, and the scraper contacts the upper surface of the screen plate; the end of the scraper near the reciprocating screw is connected to the threaded slide plate, and the reciprocating screw hole of the threaded slide plate is threadedly engaged with the reciprocating screw.

[0008] Furthermore, a guide rod is provided on the side of the receiving box near the motor, and the threaded slide plate is slidably mounted on the guide rod.

[0009] Furthermore, a side frame is provided on the inner surface of the receiving box away from the discharging machine, and a striking structure is provided on the inner side of the side frame.

[0010] Furthermore, the striking structure includes a striking block and a connecting rope. A sliding rod is provided on the side of the striking block away from the sieve plate. The sliding rod is slidably installed in a sliding hole in a fixed plate, which is located inside the side frame. One end of the connecting rope is connected to the striking block, and the other end is connected to the sieve plate.

[0011] Furthermore, sliding rods are respectively provided on both sides of one end of the connecting rope that connects to the striking block.

[0012] Furthermore, the striking structure also includes a spring, which is fitted on the outside of the sliding rod and located between the fixed plate and the striking block.

[0013] Furthermore, the striking structure also includes a first roller rotatably mounted inside the groove of the fixed plate and a second roller rotatably mounted inside the side frame, with the first roller located outside the fixed plate; the connecting rope passes through the groove of the fixed plate and contacts the second roller and the first roller.

[0014] Furthermore, a first discharge port is provided on the side of the receiving box away from the discharge machine, and the first discharge port is located on the side of the screen plate away from the scraper.

[0015] Furthermore, a second discharge port is provided on the side of the receiving box away from the motor, and the second discharge port is located on the side of the screen plate near the scraper rod.

[0016] Beneficial effects:

[0017] (1) In this utility model, the material produced by the discharge machine can fall onto the screen plate in the receiving box through the discharge pipe. By turning on the motor, the turntable and positioning column are rotated. The positioning column drives the screen plate through the connecting rod to realize the reciprocating movement of the screen plate to screen the material. Larger materials can slide down through the second discharge port, while smaller particles fall out from the first discharge port, so that the materials can be separated and discharged so that larger materials can be screened out for secondary processing. Furthermore, under the operation of the motor, the scraper can reciprocate to scrape the material on the surface of the screen plate, which can prevent the material from adhering to the surface of the screen plate and promote the rapid sliding of the material.

[0018] (2) During the reciprocating movement of the screen plate, the connecting rope can be pulled back and forth, causing the striking block to strike the screen plate repeatedly and generate vibration, which is beneficial for the material in the screen plate mesh to fall off and prevent the screen plate mesh from being blocked.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A three-dimensional structural schematic diagram of the discharge screening device in an embodiment of this utility model is shown.

[0022] Figure 2 A schematic diagram of the reciprocating screw installation of the discharge screening device in an embodiment of this utility model is shown.

[0023] Figure 3 A schematic diagram of the cross-sectional structure of the receiving box of the discharge screening device in an embodiment of this utility model is shown.

[0024] Figure 4 A schematic diagram of the striking structure of the discharge screening device in an embodiment of this utility model is shown.

[0025] In the diagram, 100 is the discharge machine; 101 is the discharge pipe.

[0026] 200. Receiving box; 201. First discharge port; 202. Screen plate; 203. L-shaped support frame; 204. Reciprocating screw; 205. Motor; 206. Turntable; 2061. Positioning column; 207. Connecting rod; 208. Second discharge port;

[0027] 300. Threaded slide plate; 301. Scraper rod; 302. Reciprocating screw hole; 303. Guide rod;

[0028] 400. Side frame; 401. Fixing plate; 402. Sliding rod; 403. Striking block; 404. Connecting rope; 405. Roller one; 406. Roller two; 407. Spring; 408. Sliding hole. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] like Figure 1 As shown, Figure 1 A three-dimensional structural schematic diagram of the discharge screening device in an embodiment of this utility model is shown. (Reference) Figure 1 A discharge screening device includes a receiving box 200, which is disposed on the side of a discharge machine 100 and located below the discharge pipe 101 of the discharge machine 100. An L-shaped support frame 203 is provided on the outer surface of the receiving box 200. A motor 205 is provided on the side surface of the L-shaped support frame 203. The motor shaft of the motor 205 is fixedly connected to one end of a reciprocating lead screw 204. The other end of the reciprocating lead screw 204 passes through another L-shaped support frame 203 and is fixedly connected to a turntable 206. A positioning post 2061 is provided on the end face of the turntable 206 away from the center. A screen plate 202 is slidably installed in the receiving box 200. One end of the screen plate 202 near the discharge pipe 101 passes through the box wall of the receiving box 200 and is connected to the positioning post 2061 by a connecting rod 207.

[0031] Specifically, starting the motor 205 drives the reciprocating screw 204 to rotate, which in turn drives the turntable 206 to rotate. The rotation of the turntable 206 drives the positioning column 2061, which in turn drives one end of the connecting rod 207 to rotate and move. The other end of the connecting rod 207 repeatedly pushes and pulls the screen plate 202, causing the screen plate 202 to slide back and forth on the inner wall of the receiving box 200, thus screening the material on the screen plate 202. This invention is used to screen out larger particles.

[0032] Furthermore, a scraper rod 301 is slidably installed in the receiving box 200, and the scraper rod 301 contacts the upper surface of the screen plate 202; one end of the scraper rod 301 near the reciprocating screw 204 is connected to the threaded slide plate 300, and the reciprocating screw hole 302 of the threaded slide plate 300 is threadedly engaged with the reciprocating screw 204. Turning on the motor 205 enables its output end to drive the reciprocating screw 204 to rotate on the two L-shaped support frames 203, driving the scraper rod 301 to move back and forth to scrape the material in the screen plate 202, promoting the material to slide down. Specifically, the continuous rotation of the reciprocating screw 204 can drive the threaded slide plate 300 to move back and forth. The moving threaded slide plate 300 will slide on the guide rod 303, thereby preventing the threaded slide plate 300 from deviating during movement. The continuously moving threaded slide plate 300 can drive the scraper rod 301 to scrape the material on the surface of the screen plate 202, preventing the material from adhering to the screen plate 202. During rotation, the reciprocating screw 204 can drive the threaded slide plate 300 to reciprocate through the threaded engagement with the reciprocating screw hole 302.

[0033] In this embodiment of the invention, a guide rod 303 is provided on the side of the receiving box 200 near the motor 205, and the threaded slide plate 300 is slidably mounted on the guide rod 303. The moving threaded slide plate 300 will slide on the guide rod 303, which can prevent the threaded slide plate 300 from deviating during movement.

[0034] refer to Figure 2 A side frame 400 is provided on the inner surface of the receiving box 200 away from the discharge machine 100, and a striking structure is provided on the inner side of the side frame 400. The striking structure is used to strike the screening structure to prevent material blockage.

[0035] Specifically, the striking structure includes a striking block 403 and a connecting rope 404. A sliding rod 402 is provided on the side of the striking block 403 away from the screen plate 202. The sliding rod 402 is slidably installed in the sliding hole 408 of the fixing plate 401 inside the side frame 400. One end of the connecting rope 404 is connected to the striking block 403, and the other end is fixedly connected to the screen plate 202. The connecting rope 404 plays the role of transmitting tension.

[0036] Specifically, sliding rods 402 are respectively provided on both sides of one end of the connecting rope 404 that connects to the striking block 403. The striking structure also includes a spring 407, which is fitted on the outside of the sliding rod 402 and located between the fixed plate 401 and the striking block 403. The spring 407 serves to reset the mechanism.

[0037] refer to Figure 4The striking structure also includes a first roller 405 rotatably mounted inside the groove of the fixed plate 401 and a second roller 406 rotatably mounted inside the side frame 400. The first roller 405 is located outside the fixed plate 401. The connecting rope 404 passes through the groove of the fixed plate 401 and contacts the second roller 406 and the first roller 405. During the reciprocating movement of the screen plate 202, the connecting rope 404 is repeatedly pulled. As the connecting rope 404 moves, it pulls the striking block 403 to move. When the striking block 403 moves, it compresses the spring 407 and stores energy. When the connecting rope 404 is no longer pulled by the screen plate 202, the compressed spring 407 will press the striking block 403 to reset it. The reset striking block 403 then strikes the screen plate 202, causing the screen plate 202 to vibrate and shake the material out of its mesh.

[0038] In the above embodiments, another optional implementation is that a first discharge port 201 is provided on the side of the receiving box 200 away from the discharge machine 100, and the first discharge port 201 is located on the side of the screen plate 202 away from the scraper rod 301. The first discharge port 201 is used to remove the fine materials after screening.

[0039] In the above embodiments, another optional implementation is that a second discharge port 208 is provided on the side of the receiving box 200 away from the motor 205, and the second discharge port 208 is located on the side of the screen plate 202 near the scraper rod 301. The second discharge port 208 is used to discharge large particles of material.

[0040] Working principle:

[0041] The discharge machine 100 can be a ball mill or other crushing mechanism. During processing, the granular material produced by the discharge machine 100 falls through the discharge pipe 101 onto the screen plate 202 in the receiving box 200. Turning on the motor 205 causes its output end to drive the reciprocating screw 204 to rotate on the L-shaped support frame 203. Simultaneously, the rotation of the reciprocating screw 204 drives the turntable 206 to rotate. This causes the positioning pin 2061 on the turntable 206 to drive one end of the connecting rod 207 to rotate and move. The other end of the connecting rod 207 repeatedly pushes and pulls the screen plate 202, causing the screen plate 202 to move within the receiving box 200. The reciprocating sliding mechanism 204 screens the material on the screen plate 202. Screened material passes through the screen plate 202 and exits through the first discharge port 201, while larger particles are discharged through the second discharge port 208. The continuous rotation of the reciprocating screw 204, through its threaded engagement with the reciprocating screw hole 302, drives the threaded slide plate 300 to reciprocate. The moving threaded slide plate 300 slides on the guide rod 303, preventing it from shifting during movement. The continuously moving threaded slide plate 300 also drives the scraper rod 301 to scrape the material on the surface of the screen plate 202, preventing... To prevent material from adhering to the screen plate 202, allowing the material to slide out through the inclined surface of the screen plate 202, larger particles are separated from smaller particles for feeding. This allows the larger particles to be re-screened for secondary processing. During the reciprocating movement of the screen plate 202, the connecting rope 404 is repeatedly pulled. When the connecting rope 404 is pulled, it comes into contact with roller 1 405 and roller 2 406, simultaneously causing roller 1 405 and roller 2 406 to rotate. This reduces the friction of the connecting rope 404 and changes its direction. As the connecting rope 404 moves, it pulls the striking block 403 and drives the striking block 4... 03. When the striking block 403 moves, it will drive the sliding rod 402 to slide in the sliding hole 408 on the fixed plate 401, thereby restricting the movement direction of the striking block 403. The continuously moving striking block 403 will squeeze the spring 407 and compress the spring 407 to store energy. When the connecting rope 404 is no longer pulled by the screen plate 202, the compressed spring 407 will squeeze the striking block 403 to reset it, so that the reset striking block 403 will strike the screen plate 202, causing the screen plate 202 to vibrate and shake the material in its mesh to fall off, preventing the mesh on the screen plate 202 from being blocked by material.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An outfeed screening apparatus characterized by, Including the receiving box (200), the receiving box (200) is arranged in the side of the discharging machine (100), and is located below the discharge pipe (101) of the discharging machine (100); The outer surface of the receiving box (200) is provided with an L-shaped support frame (203), the side surface of the L-shaped support frame (203) is provided with a motor (205), the motor shaft of the motor (205) is fixedly connected with one end of a reciprocating screw rod (204), the other end of the reciprocating screw rod (204) penetrates through the other L-shaped support frame (203) and is fixedly connected with a rotating disc (206), the end face of the rotating disc (206) is provided with a positioning column (2061) away from the center of the circle, and the sieve plate (202) is obliquely and slidingly installed in the receiving box (200), one end of the sieve plate (202) close to the discharge pipe (101) penetrates through the wall of the receiving box (200) and is connected with the positioning column (2061) through a connecting rod (207).

2. A discharge screening device according to claim 1, characterized in that The receiving box (200) is slidingly installed with a scraping rod (301), and the scraping rod (301) is in contact with the upper surface of the sieve plate (202); one end of the scraping rod (301) close to the reciprocating screw rod (204) is connected with a threaded sliding plate (300), and the reciprocating screw hole (302) of the threaded sliding plate (300) is in threaded engagement with the reciprocating screw rod (204).

3. A discharge screening apparatus according to claim 2, wherein, The side close to the motor (205) of the receiving box (200) is provided with a guide rod (303), and the threaded sliding plate (300) is slidingly installed on the guide rod (303).

4. A discharge screening apparatus according to claim 1, wherein, The inner surface of the receiving box (200) away from the discharging machine (100) is provided with a side frame (400), and the inner side of the side frame (400) is provided with a knocking structure.

5. A discharge screening apparatus according to claim 4, wherein, The knocking structure comprises a knocking block (403) and a connecting rope (404), one side of the knocking block (403) away from the sieve plate (202) is provided with a sliding rod (402), the sliding rod (402) is slidingly installed in a sliding hole (408) of a fixed plate (401), and the fixed plate (401) is arranged on the inner side of the side frame (400); one end of the connecting rope (404) is connected with the knocking block (403), and the other end is connected with the sieve plate (202).

6. A discharge screening apparatus according to claim 5, wherein, The two sides of one end of the connecting rope (404) connected with the knocking block (403) are respectively provided with sliding rods (402).

7. A discharge screening apparatus according to claim 5 or 6, characterised in that, The knocking structure further comprises a spring (407), the spring (407) is sleeved on the outer side of the sliding rod (402) and located between the fixed plate (401) and the knocking block (403).

8. A discharge screening apparatus according to claim 7, wherein, The knocking structure further comprises a first roller (405) rotatably installed on the inner side of a groove of the fixed plate (401) and a second roller (406) rotatably installed on the inner side of the side frame (400), and the first roller (405) is located on the outer side of the fixed plate (401); the connecting rope (404) penetrates through the groove of the fixed plate (401) and is in contact with the second roller (406) and the first roller (405).

9. A discharge screening apparatus according to claim 1, wherein, The side of the receiving box (200) away from the discharging machine (100) is provided with a first discharge port (201), and the first discharge port (201) is located on the side of the sieve plate (202) away from the scraping rod (301).

10. A discharge screening apparatus according to claim 1, wherein, The receiving box (200) is provided with a second discharge port (208) on the side away from the motor (205), and the second discharge port (208) is located on the side of the sieve plate (202) close to the scraping rod (301).

Images