Concrete aggregate vibration screening device

Abstract

The utility model relates to a concrete aggregate vibrating screening device which comprises a screening cylinder installed in a frame body, the bottom of the screening cylinder is fixedly connected with a plurality of vibrating screen springs arranged in an annular array mode, the bottom ends of the vibrating screen springs are fixedly connected with the inner bottom wall of the frame body, and a vibrating motor is fixedly installed at the bottom of the screening cylinder. The inner wall of the screening barrel is connected with a screen through bolts, and through holes are formed in the screen. Concrete aggregate is put into the screening cylinder, the concrete aggregate can fall on the screen, the screening cylinder is connected with the frame through the vibrating screen spring, the vibrating motor is started, the screening cylinder can be driven to vibrate, and therefore the concrete aggregate on the screen can be screened conveniently, and by rotating a rotating rod, a vertical block and a scraping rod on a connecting rod can rotate; due to the fact that the screening barrel vibrates to drive the screen to vibrate, the vertical block is slidably connected with the connecting rod, and the collision strength between the scraping rod and the screen can be reduced through the connecting mode that the scraping rod is rotationally connected with the vertical block.

Description

Technical Field

[0001] The utility model relates to a concrete aggregate screening technology, in particular to a concrete aggregate vibration screening device. Background Art

[0002] Concrete aggregate refers to the loose granular material that acts as a skeleton or filler in concrete. It is divided into coarse aggregate and fine aggregate. Coarse aggregate refers to pebbles, crushed stones, etc., and fine aggregate refers to natural sand, artificial sand, etc. In the process of concrete aggregate processing, crushing, screening and cleaning are required.

[0003] When the existing concrete aggregate vibrating screening device is in use, the concrete aggregate thrown into the vibrating screening device often gathers at a certain position of the screen, which is inconvenient to flatten it during vibration screening, and it is also inconvenient to clean the screen on the vibrating screening device to avoid clogging of the screen. Utility Model Content

[0004] The utility model aims to provide a concrete aggregate vibrating screening device, which is used to solve the problem that the existing concrete aggregates gather at a certain position of the screen, which is inconvenient to flatten them during vibration screening and it is inconvenient to clean the screen on the vibration screening device.

[0005] In order to solve the above problems, the utility model provides a concrete aggregate vibration screening device, comprising a screening drum installed in a frame, a plurality of vibration screen springs arranged in a ring array are fixedly connected to the bottom of the screening drum, the bottom ends of the plurality of vibration screen springs are respectively fixedly connected to the bottom wall of the frame, a vibration motor is fixedly installed at the bottom of the screening drum, a screen is connected to the inner wall of the screening drum by bolts, a through hole is opened in the screen, a cover pipe is fixed in the through hole, a rotatable rotating rod is provided in the screening drum, a connecting rod is fixed to one side of the rotating rod, a vertical block that can move up and down is slidably connected to one side of the connecting rod, the bottom of the vertical block is rotatably connected to a scraper rod via a rotating shaft, the scraper rod can contact the upper side of the screen, a vertical rod is fixed to the bottom of the rotating rod, the bottom of the vertical rod passes through the cover pipe and is fixed with a cleaning brush.

[0006] The concrete aggregate vibrating screening device provided by the utility model also has the following technical features:

[0007] Furthermore, the cleaning brush is provided with bristles, and the bristles can be inserted into corresponding sieve holes on the sieve.

[0008] Furthermore, support springs are fixed around the top of the screening cylinder, and the free ends of the support springs are fixedly connected to the frame.

[0009] Furthermore, a crossbeam is fixed on the top of the frame, a drive motor is fixedly installed on the upper side of the crossbeam, and an output end of the drive motor is fixedly connected to the top of the rotating rod.

[0010] Furthermore, the top of the vertical block is connected to the upper side of the connecting rod via a compression spring, a torsion spring is fixedly installed at one end of the rotating shaft, one end of the torsion spring is fixedly installed at the vertical block, and the lower side of the scraper rod is arranged in a tooth shape.

[0011] Furthermore, a shield is fixed on the vertical rod, the shield is located above the shield tube, a first discharge hole is opened at the bottom of the screening cylinder, a second discharge hole is opened on one side of the screening cylinder, and the second discharge hole is located on one side of the screen.

[0012] The utility model has the following beneficial effects: concrete aggregates are put into the screening drum, and the concrete aggregates can fall on the screen; since the screening drum is connected to the frame via the vibrating screen spring, starting the vibration motor can drive the screening drum to vibrate, thereby facilitating screening of the concrete aggregates on the screen; and by rotating the rotating rod, the vertical blocks and the scraper rod on the connecting rod can be rotated; since the vibration of the screening drum drives the vibration of the screen, the vertical blocks are slidably connected to the connecting rod, and the connection method of the scraper rod and the vertical blocks rotatably connected can reduce the collision force between the scraper rod and the screen, thereby extending the service life of the screen and the scraper rod; and the scraper rod can facilitate flattening the concrete aggregates on the screen, thereby facilitating screening; the cleaning brush can rotate with the rotating rod, thereby facilitating cleaning of the screen and avoiding clogging of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0014] Figure 2 It is a front view cutaway diagram of an embodiment of the utility model;

[0015] Figure 3 For the utility model embodiment Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 4 It is a structural diagram of the scraper rod in the embodiment of the utility model. DETAILED DESCRIPTION

[0017] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0018] like Figures 1 to 4In the embodiment of the concrete aggregate vibration screening device of the utility model shown, the concrete aggregate vibration screening device includes a screening drum 2 installed in a frame 1, and the bottom of the screening drum 2 is fixedly connected to a plurality of vibration screen springs 3 arranged in a ring array, and the bottom ends of the plurality of vibration screen springs 3 are respectively fixedly connected to the bottom wall of the frame 1, and a vibration motor 4 is fixedly installed at the bottom of the screening drum 2, and a screen 5 is connected to the inner wall of the screening drum 2 by bolts, and a through hole is opened in the screen 5, and a cover pipe 6 is fixed in the through hole, and a rotatable rotating rod 7 is provided in the screening drum 2, and a connecting rod 8 is fixed to one side of the rotating rod 7, and a vertical block 9 that can move up and down is slidably connected to one side of the connecting rod 8, and the bottom of the vertical block 9 is rotatably connected to a scraper rod 10 via a rotating shaft, and the scraper rod 10 can contact the upper side of the screen 5, and a vertical rod 11 is fixed to the bottom of the rotating rod 7, and the bottom of the vertical rod 11 passes through the cover pipe 6 and is fixed There is a cleaning brush 12. By putting concrete aggregate into the screening drum 2, the concrete aggregate can fall on the screen 5. Since the screening drum 2 is connected to the frame 1 via the vibrating screen spring 3, starting the vibration motor 4 can drive the screening drum 2 to vibrate, so as to facilitate screening of the concrete aggregate on the screen 5. By rotating the rotating rod 7, the vertical block 9 and the scraper rod 10 on the connecting rod 8 can be rotated. Since the vibration of the screening drum 2 drives the screen 5 to vibrate, the vertical block 9 is slidably connected to the connecting rod 8, and the connection mode of the scraper rod 10 and the vertical block 9 is rotatably connected. The collision force between the scraper rod 10 and the screen 5 can be reduced, thereby extending the service life of the screen 5 and the scraper rod 10, and the scraper rod 10 can facilitate flattening the concrete aggregate on the screen 5, thereby facilitating screening. The cleaning brush 12 can rotate with the rotating rod 7, so as to facilitate cleaning of the screen 5 and avoid clogging of the screen 5.

[0019] In one embodiment of the present application, preferably, the cleaning brush 12 is provided with bristles, the bristles are deformable, and the bristles can be inserted into corresponding sieve holes on the sieve 5, so that the sieve holes on the sieve 5 can be cleared by the bristles.

[0020] In one embodiment of the present application, preferably, support springs 13 are fixed around the top of the screening drum 2, and the free ends of the support springs 13 are fixedly connected to the frame 1. By setting the support springs 13, the position of the screening drum 2 can be further limited to avoid a large vibration amplitude of the screening drum 2, and the support springs 13 are not easily deformed.

[0021] In one embodiment of the present application, preferably, a crossbeam 14 is fixed on the top of the frame 1, a drive motor 15 is fixedly installed on the upper side of the crossbeam 14, an output end of the drive motor 15 is fixedly connected to the top of the rotating rod 7, and the rotating rod 7 can be driven to rotate by starting the drive motor 15.

[0022] In one embodiment of the present application, preferably, the top of the vertical block 9 is connected to the upper side of the connecting rod 8 via a compression spring, a torsion spring is fixedly installed at one end of the rotating shaft, one end of the torsion spring is fixedly installed to the vertical block 9, and the lower side of the scraper rod 10 is toothed. When the screen 5 vibrates and collides with the scraper rod 10, the scraper rod 10 can move or rotate upward to play a buffering role and avoid rigid collision.

[0023] In one embodiment of the present application, preferably, a shield 16 is fixed on the vertical rod 11, and the shield 16 is located above the shield pipe 6. The shield 16 can block the shield pipe 6 to prevent concrete aggregate from falling into the shield pipe 6. A first discharge hole is provided at the bottom of the screening cylinder 2, and a second discharge hole is provided on one side of the screening cylinder 2. The second discharge hole is located on one side of the screen 5. The inner bottom wall of the screening cylinder 2 is inclined, and the first discharge hole is located at a lower position of the inner bottom wall of the screening cylinder 2, so that the qualified concrete aggregate screened by the screen 5 can be collected, and the rotation of the scraper rod 10 can also play a role in shifting materials, and the concrete aggregate that cannot be screened by the screen 5 can be collected through the second discharge hole.

[0024] When the utility model is in use, concrete aggregate is put into the screening drum 2, and the concrete aggregate can fall on the screen 5. Since the screening drum 2 is connected to the frame 1 via the vibrating screen spring 3, the vibration motor 4 is started, which can drive the screening drum 2 to vibrate, so as to facilitate the screening of the concrete aggregate on the screen 5. The support spring 13 can further limit the position of the screening drum 2 to avoid a large vibration amplitude of the screening drum 2. Starting the drive motor 15 can drive the rotating rod 7 to rotate, which can make the vertical block 9 and the scraper rod 10 on the connecting rod 8 rotate. When the screen 5 vibrates and collides with the scraper rod 10, the scraper rod 10 can move upward Or rotate to play a buffering role, avoid rigid collision, thereby extending the service life of the screen 5 and the scraper rod 10, and the scraper rod 10 can easily flatten the concrete aggregate on the screen 5, so as to facilitate screening. The rotation of the scraper rod 10 can also play a role in shifting materials, and the concrete aggregate that the screen 5 fails to screen can be collected through the second discharge hole. The cleaning brush 12 can rotate with the rotating rod 7, so as to facilitate cleaning of the screen 5 and avoid clogging of the screen 5. The inner bottom wall of the screening cylinder 2 is inclined, and the first discharge hole is located at a lower position of the inner bottom wall of the screening cylinder 2, which can collect the qualified concrete aggregate screened by the screen 5.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A concrete aggregate vibrating screening device, comprising a screening drum (2) installed in a frame (1), characterized in that: The bottom of the screening cylinder (2) is fixedly connected to a plurality of vibration screen springs (3) arranged in a ring array, the bottom ends of the plurality of vibration screen springs (3) are respectively fixedly connected to the inner bottom wall of the frame (1), a vibration motor (4) is fixedly installed at the bottom of the screening cylinder (2), a screen (5) is connected to the inner wall of the screening cylinder (2) by bolts, a through hole is opened in the screen (5), a cover tube (6) is fixed in the through hole, a rotatable rotating rod (7) is provided in the screening cylinder (2), a connecting rod (8) is fixed to one side of the rotating rod (7), a vertical block (9) that can move up and down is slidably connected to one side of the connecting rod (8), the bottom of the vertical block (9) is rotatably connected to a scraper rod (10) via a rotating shaft, the scraper rod (10) can contact the upper side of the screen (5), a vertical rod (11) is fixed to the bottom of the rotating rod (7), the bottom of the vertical rod (11) passes through the cover tube (6) and is fixed with a cleaning brush (12).

2. The concrete aggregate vibrating screening device according to claim 1, characterized in that: The cleaning brush (12) is provided with bristles, which can be inserted into corresponding sieve holes on the sieve (5).

3. The concrete aggregate vibrating screening device according to claim 1, characterized in that: Support springs (13) are fixed around the top of the screening cylinder (2), and the free ends of the support springs (13) are fixedly connected to the frame (1).

4. The concrete aggregate vibrating screening device according to claim 1, characterized in that: A crossbeam (14) is fixed on the top of the frame (1), a drive motor (15) is fixedly mounted on the upper side of the crossbeam (14), and an output end of the drive motor (15) is fixedly connected to the top of the rotating rod (7).

5. The concrete aggregate vibrating screening device according to claim 1, characterized in that: The top of the vertical block (9) is connected to the upper side of the connecting rod (8) via a compression spring, a torsion spring is fixedly mounted on one end of the rotating shaft, one end of the torsion spring is fixedly mounted on the vertical block (9), and the lower side of the scraper rod (10) is arranged in a toothed shape.

6. The concrete aggregate vibrating screening device according to claim 1, characterized in that: A shield (16) is fixed on the vertical rod (11), and the shield (16) is located above the shield tube (6). A first discharge hole is provided at the bottom of the screening cylinder (2), and a second discharge hole is provided on one side of the screening cylinder (2), and the second discharge hole is located on one side of the screen (5).

Images