Anti-blocking type building construction vibrating screen machine

Abstract

The utility model discloses an anti-blocking type building construction vibrating screening machine which comprises a screening box, a screening net, a machine cover, a vibrating mechanism, a feeding port, a discharging port, a moving frame, a moving seat, a dredging rod, a lifting mechanism, a brush roller, a rotating mechanism and a translation mechanism, a screening cavity is formed in the screening box, and the moving frame is connected to the inner side wall of the screening cavity in a sliding mode; the bottom end of the moving frame is fixedly connected with two moving seats, the dredging rod is arranged at the bottom of the screen, the lifting mechanism is arranged at the bottom of the dredging rod and used for controlling the dredging rod to ascend and descend, a brush roller is rotationally connected between the two moving seats, and the rotating mechanism is arranged at the top of the screen and used for controlling the brush roller to rotate and providing power for the lifting mechanism. The translation mechanism is arranged at the top of the screen and used for controlling the dredging rod and the brush roller to move from one side of the screen to the other side of the screen. According to the anti-blocking type building construction vibration screening machine, the problem that in the related technology, after a screen of a building construction vibration screening machine is blocked, manual cleaning needs to be frequently conducted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen machines, in particular to an anti-blocking type vibrating screen machine for construction. Background Art

[0002] In construction, building materials such as sand, gravel, and concrete need to be screened according to particle size before use to meet construction requirements. A construction vibrating screen is a device used to screen building materials. It can classify materials according to different particle sizes. It features easy operation, high production efficiency, and precise screening. It is widely used in construction industries such as building materials, roads, bridges, and tunnels.

[0003] The screen box of the construction vibrating screen machine is equipped with screens of different particle sizes. The screen is vibrated periodically by a vibrating motor, and fine-grained materials enter the lower layer through the pores of the screen, and large-grained materials are screened out. After the construction vibrating screen machine has been used for a long time, the mesh holes on the screen are easily blocked by larger particles, affecting the screening effect of the screen. At this time, the machine needs to be stopped to manually clean the screen. Frequent cleaning affects production efficiency. Therefore, the utility model proposes an anti-blocking construction vibrating screen machine. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the shortcomings of the existing technology, the utility model provides an anti-blocking construction vibrating screen machine to solve the problem in the prior art that the screen of the construction vibrating screen machine needs to be frequently cleaned manually after being blocked.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] The technical solution of the utility model is as follows: an anti-blocking construction vibrating screen machine, comprising a screen box, a screen, a machine cover, a vibrating mechanism, a feed port, two discharge ports, a movable frame, a movable seat, a dredging rod, a lifting mechanism, a brush roller, a rotating mechanism and a translation mechanism, wherein a screen cavity is provided inside the screen box, and the screen is fixedly connected to the inner side wall of the screen cavity, and the screen divides the screen cavity into an upper screen cavity and a lower screen cavity, and the movable frame is slidably connected to the inner side wall of the upper screen cavity, and the bottom end of the movable frame is fixedly connected to two movable seats, and two sliding seats are provided on the screen. Groove, the two movable seats both pass through the slide groove and extend into the lower screen cavity, the dredging rod is arranged at the bottom of the screen, and the lifting mechanism is arranged at the bottom of the dredging rod to control the lifting and lowering movement of the dredging rod. The brush roller is rotatably connected between the two movable seats, and the rotating mechanism is arranged at the top of the screen to control the rotation of the brush roller and provide power for the lifting mechanism. The translation mechanism is arranged at the top of the screen to control the dredging rod and the brush roller to move from one side of the screen to the other side.

[0009] Preferably, the lifting mechanism includes a rotating shaft, a cam, and a slide. The rotating shaft is rotatably connected to the two movable seats, and the two cams are symmetrically fixedly connected to the rotating shaft. The top ends of the two cams are abutted against the bottom end of the dredging rod. The slide is fixedly connected between the two movable seats, and the dredging rod slides in cooperation with the slide.

[0010] Preferably, the rotating mechanism includes a mounting frame, a motor 1, a connecting shaft, a driving gear and a driven gear, the screen box is provided with a slide 1, the mounting frame passes through the slide 1 and extends into the upper screen cavity, the mounting frame is fixedly connected to one of the movable seats, the motor 1 is installed on the mounting frame, the mounting frame is rotatably connected to the connecting shaft between the movable seat, one end of the connecting shaft is fixedly connected to the output end of the motor 1, the screen box is provided with a slide 2, the other end of the connecting shaft passes through the slide 2 and extends into the upper sieve cavity, the other end of the connecting shaft is fixedly connected to the brush roller, the part of the connecting shaft located outside the screen box is fixedly connected to the driving gear, the screen box is provided with a slide 3, the end of the rotating shaft close to the driving gear passes through the slide 3 and is fixedly connected to the driven gear, and the driven gear meshes with the driving gear.

[0011] Furthermore, the translation mechanism includes a second motor, a lead screw and a connecting seat, the second motor is installed on the outer wall of the screen box, the lead screw is rotatably connected to the inner wall of the upper screen cavity, and the lead screw is fixedly connected to the output end of the second motor, the connecting seat is threadedly connected to the lead screw, and the connecting seat is fixedly connected to the movable frame.

[0012] Furthermore, a detachable dredging strip is provided on the top end of the dredging rod, and a detachable brush cover is provided on the outer side wall of the brush roller.

[0013] Furthermore, the outer covers of the driving gear and the driven gear are provided with protective covers, and the protective covers are detachably mounted on the outer side wall of the screen box.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides an anti-blocking construction vibrating screen machine with the following beneficial effects:

[0016] In the utility model, when cleaning the material blocked on the screen, the motor drives the connecting shaft to rotate, the connecting shaft drives the driving gear and the brush roller to rotate at the same time, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, the cam on the rotating shaft pushes the dredging rod to rise and fall and slide in the slideway, thereby dredging the material blocked on the screen from the mesh, the motor drives the lead screw to rotate, the lead screw drives the connecting seat and the movable frame to move, and the movable frame drives the dredging rod and the brush roller to move from one side of the screen to the other side at the same time, thereby dredging and cleaning the material blocked on the entire screen.

[0017] Therefore, compared with the existing construction vibrating screening machine that needs frequent manual cleaning after the screen is blocked, this anti-blocking construction vibrating screening machine controls the dredging rod to dredge the materials blocked on the entire screen through the cooperation of the lifting mechanism, the rotating mechanism and the translation mechanism, and controls the brush roller to clean out the dredged materials at the same time. This not only reduces the labor intensity of workers, but also improves the production efficiency of the construction vibrating screening machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a partial cross-section of this application;

[0019] Figure 2 A schematic diagram of the overall structure of this application;

[0020] Figure 3 A schematic diagram of the overall structure of this application;

[0021] Figure 4 This is a schematic diagram of the structure of the coordination of the dredging rod, brush roller, lifting mechanism and rotating mechanism in this application;

[0022] Figure 5 This is a schematic diagram of the structure of the brush roller, screen, rotating mechanism and translation mechanism in this application;

[0023] Figure 6 This is a schematic structural diagram of a partial cross-section of the movable seat, dredging rod, brush roller and slideway of this application.

[0024] In the figure: 1. Screen box; 2. Screen; 3. Machine cover; 5. Feed inlet; 6. Discharge outlet; 7. Moving frame; 8. Moving seat; 9. Dredging rod; 10. Brush roller; 11. Protective cover; 12. Motor pedestal; 13. Vibration motor; 14. Base; 15. Shock-absorbing spring; 101. Rotating shaft; 102. Cam; 103. Slide; 201. Mounting frame; 202. Motor 1; 203. Connecting shaft; 204. Driving gear; 205. Driven gear; 301. Motor 2; 302. Screw; 303. Connecting seat. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1 to 6 , this embodiment proposes an anti-blocking construction vibrating screen machine, including a screen box 1, a screen 2, a machine cover 3, a vibration mechanism, a feed port 5, two discharge ports 6, a movable frame 7, a movable seat 8, a dredging rod 9, a lifting mechanism, a brush roller 10, a rotating mechanism and a translation mechanism. A screen cavity is provided inside the screen box 1, and the screen 2 is fixedly connected to the inner side wall of the screen cavity. The screen 2 divides the screen cavity into an upper screen cavity and a lower screen cavity. The vibration mechanism includes a motor base 12, two vibration motors 13 with the same frequency inversion, a base 14 and a shock-absorbing spring 15. The motor base 12 is installed at the bottom end of the screen box 1, and the two vibration motors 13 are both installed on the motor base 12. The shock-absorbing spring is installed on the base 14 and the screen Box 1, the feed port 5 is fixedly connected to the top of the screen box 1, the feed port 5 is communicated with the upper sieve cavity, and there are two discharge ports 6. The two discharge ports 6 are fixedly connected to the outer wall of the screen box 1, the upper discharge port 6 is communicated with the upper sieve cavity, and the lower discharge port 6 is communicated with the lower sieve cavity. Two slide rails are installed on the inner wall of the upper sieve cavity, and sliders are fixedly connected at both ends of the movable frame 7. The sliders slide with the slide rails. The bottom end of the movable frame 7 is fixedly connected to two movable seats 8. Two slide grooves are provided on the screen 2. The two movable seats 8 pass through the slide grooves and extend into the lower sieve cavity. The dredge rod 9 is provided at the bottom of the screen 2, and a detachable dredge strip is provided on the top of the dredge rod 9. Please refer to Figure 6 The surface of the dredging strip is provided with a plurality of elastic protrusions, which are used to dredge the materials blocked on the screen 2 from the mesh. The lifting mechanism is provided at the bottom of the dredging rod 9, which is used to control the lifting and moving of the dredging rod 9. A brush roller 10 is rotatably connected between the two movable seats 8. A detachable brush cover is provided on the outer wall of the brush roller 10. Please refer to Figure 6The surface of the brush cover is provided with bristles, which are used to clean out the materials dredged on the screen 2. The rotating mechanism is provided at the top of the screen 2, which is used to control the rotation of the brush roller 10 and provide power for the lifting mechanism. The translation mechanism is provided at the top of the screen 2, which is used to control the dredging rod 9 and the brush roller 10 to move from one side of the screen 2 to the other side.

[0027] See also Figures 1 to 4 Among them, the lifting mechanism includes a rotating shaft 101, a cam 102, and a slide 103. The two movable seats 8 are rotatably connected to the rotating shaft 101, and two cams 102 are symmetrically fixedly connected to the rotating shaft 101. The top ends of the two cams 102 are in contact with the bottom ends of the dredging rod 9. When the two cams 102 rotate, they can push the dredging rod 9 to move up and down. A slide 103 is fixedly connected between the two movable seats 8, and the dredging rod 9 slides in cooperation with the slide 103.

[0028] See also Figures 1 to 5 , wherein the rotating mechanism includes a mounting frame 201, a motor 202, a connecting shaft 203, a driving gear 204 and a driven gear 205, a sliding port 1 is provided on the screen box 1, the mounting frame 201 passes through the sliding port 1 and extends into the upper sieve cavity, the mounting frame 201 is fixedly connected to one of the moving seats 8, the motor 202 is installed on the mounting frame 201, and a connecting shaft 203 is rotatably connected between the mounting frame 201 and the moving seat 8, one end of the connecting shaft 203 is fixedly connected to the output end of the motor 202, a sliding port 2 is provided on the screen box 1, the other end of the connecting shaft 203 passes through the sliding port 2 and extends into the upper sieve cavity, and the other end of the connecting shaft 203 is fixedly connected to the output end of the motor 202. The brush roller 10 is fixedly connected, and the part of the connecting shaft 203 located outside the screen box 1 is fixedly connected to the driving gear 204. The screen box 1 is provided with a slide three, and the end of the rotating shaft 101 close to the driving gear 204 passes through the slide three and is fixedly connected to the driven gear 205. The driven gear 205 is meshed with the driving gear 204. The number of teeth of the driven gear 205 is less than that of the driving gear 204, which can increase the rotation speed of the driven gear 205, thereby controlling the dredging rod 9 to perform multiple lifting and dredging while the brush roller 10 rotates. The external cover of the driving gear 204 and the driven gear 205 is provided with a protective cover 11, which is detachably mounted on the outer wall of the screen box 1.

[0029] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 5 , wherein, the translation mechanism includes a second motor 301, a screw 302 and a connecting seat 303, the second motor 301 is installed on the outer wall of the screen box 1, the screw 302 is rotatably connected to the inner wall of the upper screen cavity, and the screw 302 is fixedly connected to the output end of the second motor 301, the connecting seat 303 is threadedly connected to the screw 302, and the connecting seat 303 is fixedly connected to the movable frame 7.

[0030] In summary, when the anti-blocking construction vibrating screen machine is screening construction materials, the two vibration motors 13 are first turned on. The exciting force generated by the vibration motor 13 causes the screen box 1 to vibrate periodically, and the material on the screen 2 is thrown up on the screen 2 and moves forward in a straight line. The fine-grained material enters the lower screen cavity through the pores of the screen 2, and the large-grained material is screened out and then discharged from the upper discharge port 6 and the lower discharge port 6 respectively. When the screen 2 needs to be cleaned, the motor 1 202 is started, and the motor 1 202 drives the connecting shaft 203 to rotate, and the connecting shaft 203 drives the driving gear 204 to rotate, and the driving gear 204 drives the driven gear 205 to rotate, and the driven gear 205 drives the rotating The shaft 101 rotates, and the cam 102 on the rotating shaft 101 pushes the dredging rod 9 to rise and fall and slide in the slide 103. The rubber column at the top of the dredging rod 9 dredges the material blocked on the screen 2 out of the mesh. The connecting shaft 203 drives the driving gear 204 to rotate while driving the brush roller 10 to rotate, thereby synchronously cleaning the dredged material. Start the motor 2 301, and the motor 2 301 drives the lead screw 302 to rotate. The lead screw 302 drives the connecting seat 303 to move. The connecting seat 303 drives the moving frame 7 to slide from one side of the screen 2 to the other side. The moving frame 7 drives the dredging rod 9 to dredge the material blocked on the entire screen 2. At the same time, the moving frame 7 drives the brush roller 10 to clean the dredged material out from the discharge port 6.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blocking-proof construction vibrating screen machine, comprising a screen box (1), a screen mesh (2), a machine cover (3), a vibrating mechanism, a feed port (5) and two discharge ports (6), wherein a screen cavity is provided inside the screen box (1), the screen mesh (2) is fixedly connected to the inner side wall of the screen cavity, and the screen mesh (2) divides the screen cavity into an upper screen cavity and a lower screen cavity, and is characterized in that: Also includes: A movable frame (7), the inner side wall of the upper sieve chamber is slidably connected to the movable frame (7), the bottom end of the movable frame (7) is fixedly connected to two movable seats (8), the sieve (2) is provided with two chute grooves, and the two movable seats (8) both pass through the chute grooves and extend into the lower sieve chamber; A dredging rod (9), the dredging rod (9) being arranged at the bottom of the screen (2); A lifting mechanism, the lifting mechanism being arranged at the bottom of the dredging rod (9) and being used to control the lifting and lowering movement of the dredging rod (9); A brush roller (10), wherein the brush roller (10) is rotatably connected between the two movable seats (8); A rotating mechanism, the rotating mechanism being arranged on the top of the screen (2) and being used to control the rotation of the brush roller (10) and simultaneously being used to provide power for the lifting mechanism; A translation mechanism, the translation mechanism being arranged on the top of the screen (2) and being used to control the dredging rod (9) and the brush roller (10) to move from one side of the screen (2) to the other side; The lifting mechanism comprises: A rotating shaft (101), the two movable seats (8) are rotatably connected to the rotating shaft (101); Cams (102), two cams (102) are symmetrically fixedly connected to the rotating shaft (101), and the top ends of the two cams (102) are in contact with the bottom end of the dredging rod (9); A slideway (103) is fixedly connected between the two movable seats (8), and the dredging rod (9) is slidably matched with the slideway (103).

2. The anti-blocking construction vibrating screen machine according to claim 1, characterized in that: The rotating mechanism comprises: A mounting frame (201), wherein a sliding opening 1 is provided on the screen box (1), the mounting frame (201) passes through the sliding opening 1 and extends into the upper screen cavity, and the mounting frame (201) is fixedly connected to one of the movable seats (8); Motor 1 (202), the motor 1 (202) is mounted on the mounting frame (201); A connecting shaft (203) is rotatably connected between the mounting frame (201) and the movable seat (8), one end of the connecting shaft (203) is fixedly connected to the output end of the motor 1 (202), a sliding opening 2 is provided on the screen box (1), the other end of the connecting shaft (203) passes through the sliding opening 2 and extends into the upper screen cavity, and the other end of the connecting shaft (203) is fixedly connected to the brush roller (10); A driving gear (204), the driving gear (204) being fixedly connected to the portion of the connecting shaft (203) located outside the screen box (1); A driven gear (205) is provided on the screen box (1) with a sliding opening three, and one end of the rotating shaft (101) close to the driving gear (204) passes through the sliding opening three and is fixedly connected to the driven gear (205), and the driven gear (205) is meshed with the driving gear (204).

3. The anti-blocking construction vibrating screen machine according to claim 2, characterized in that: The translation mechanism comprises: Motor 2 (301), the motor 2 (301) is mounted on the outer side wall of the screen box (1); A lead screw (302), the lead screw (302) being rotatably connected to the inner wall of the upper sieve chamber, and the lead screw (302) being fixedly connected to the output end of the second motor (301); A connecting seat (303), wherein the connecting seat (303) is threadedly connected to the lead screw (302), and the connecting seat (303) is fixedly connected to the movable frame (7).

4. The anti-blocking construction vibrating screen machine according to claim 3, characterized in that: The top end of the dredging rod (9) is provided with a detachable dredging strip, and the outer side wall of the brush roller (10) is provided with a detachable brush cover.

5. The anti-blocking construction vibrating screen machine according to claim 4, characterized in that: The outer covers of the driving gear (204) and the driven gear (205) are provided with protective covers (11), and the protective covers (11) are detachably mounted on the outer side wall of the screen box (1).

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