Waste concrete crushing and sieving sand making device

Abstract

The utility model discloses a waste concrete crushing and sieving sand making device which comprises a bottom bin, a sieve plate is obliquely arranged in an inner cavity of the bottom bin, a top bin is detachably installed at the top end of the bottom bin, a feeding port is formed in the top end of the top bin, and a feeding hopper is detachably arranged at the top end of the top bin and located on the outer side of the feeding port. A rotating shaft is rotatably and transversely arranged in an inner cavity of the top bin in a penetrating mode, and a plurality of crushing blades are evenly arranged on the surface of the rotating shaft at intervals. According to the waste concrete crushing, powder screening and sand making device, the bottom bin and the top bin are of a separated structure, the integrated structure can be split, the transportation area is reduced, the transportation cost is reduced, the structure is better transported to the needed position, the impact force of gravel falling is delayed by arranging a first slope plate and a second slope plate, damage to a screen plate is reduced, and the sand making efficiency is improved. And the device can adapt to large-batch processing, so that the working efficiency is improved, and the working time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of waste concrete processing, in particular to a waste concrete crushing, powder screening and sand making device. Background Art

[0002] Waste concrete is a kind of waste generated in construction production. If the waste concrete can be effectively recycled, the effective recycling of resources can be achieved. The existing concrete recycling generally involves crushing it and then screening it to separate it into sand and gravel.

[0003] The existing sand making devices crush and screen the required raw materials through crushing and screening, but they are generally one-piece structures, which may take up too much space during transportation, which may lead to excessive transportation costs. In addition, the screen plate is likely to be damaged if it falls directly after crushing, resulting in frequent replacement and inability to use for batch processing. The screen plates are fixed, which may cause residues, resulting in reduced work efficiency and increased working time. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a waste concrete crushing powder screening and sand making device, which solves the problem that the integrated structure may occupy too much space during transportation, which may lead to excessive transportation costs, and the screen plate is likely to be damaged when it falls directly after crushing, resulting in frequent replacement and inability to use for batch processing. The screen plates are fixed, which may cause residues, resulting in reduced work efficiency and increased working time.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a waste concrete crushing powder screening sand making device includes a bottom bin, a sieve plate is obliquely arranged in the inner cavity of the bottom bin, a top bin is detachably installed on the top of the bottom bin, a feed port is opened on the top of the top bin, a feed hopper is detachably arranged on the top of the top bin and located outside the feed port, a rotating shaft is rotatably arranged horizontally through the inner cavity of the top bin, and a plurality of crushing blades are evenly spaced on the surface of the rotating shaft.

[0006] Furthermore, a drive box is fixedly connected to one side of the top bin, a motor is fixedly connected to the bottom end of the inner wall of the drive box, the motor output shaft is fixedly connected to one end of the rotating shaft, and a plurality of reinforcement rods are fixedly connected between the bottom surface of the drive box and the surface of one side of the top bin.

[0007] Furthermore, a first ramp is obliquely provided in the inner cavity of the bottom bin, and a second ramp is obliquely provided in the inner cavity of the bottom bin and located above the screen plate in the opposite direction of the first ramp.

[0008] Furthermore, a first through-hole is opened on the bottom end of the surface of one side of the bottom bin, a first discharge hopper is fixedly connected to the bottom end of the surface of one side of the bottom bin and located outside the first through-hole, a second through-hole is opened on the surface of one side of the bottom bin and located above one end of the screen plate, and a second discharge hopper is fixedly connected to the surface of one side of the bottom bin and located outside the second through-hole.

[0009] Furthermore, support plates are fixedly connected to both sides of the inner wall of the bottom bin, and spring rods are evenly spaced between the top ends of the two support plates and the two ends of the bottom surface of the screen plate.

[0010] Furthermore, both ends of the bottom surface of the top bin are fixedly connected with mounting blocks, both ends of the upper surface of the bottom bin are provided with mounting grooves matching the mounting blocks, and both end surfaces of the feed hopper are fixedly connected with fixing blocks.

[0011] Furthermore, support blocks are fixedly connected to both ends of the upper surface of the top bin, pull rings are provided in the middle of the two support blocks, and support legs are fixedly connected to the four corners of the rectangular bottom surface of the bottom bin.

[0012] Compared with the prior art, the beneficial effects of the utility model are: by making the bottom bin and the top bin into separate structures, the integrated structure can be disassembled, the transportation area can be reduced, and the transportation cost can be reduced, so that the structure can be better transported to the required place, and by setting the first slope plate and the second slope plate, the impact force of the falling sand and gravel is delayed and the damage to the screen plate is reduced, so that it can be adapted to large-scale processing, increase work efficiency and reduce working time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the local structure of the utility model in the disassembled state.

[0016] In the figure: 1-bottom bin, 2-screen plate, 3-top bin, 4-feed hopper, 5-rotating shaft, 6-drive box, 7-motor, 8-reinforcement rod, 9-first ramp, 10-second ramp, 11-first discharge hopper, 12-second discharge hopper, 13-support plate, 14-spring rod, 15-mounting block, 16-fixed block, 17-vibration box, 18-support block, 19-pull ring, 20-support leg. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution: a waste concrete crushing powder screening sand making device comprises a bottom bin 1, a sieve plate 2 is obliquely arranged in the inner cavity of the bottom bin 1, a top bin 3 is detachably installed on the top of the bottom bin 1, a feed port is opened at the top of the top bin 3, a feed hopper 4 is detachably arranged on the top of the top bin 3 and located outside the feed port, a rotating shaft 5 is rotatably arranged horizontally through the inner cavity of the top bin 3, and a plurality of crushing blades are evenly spaced on the surface of the rotating shaft 5.

[0019] The waste concrete is fed into the feed hopper 4, broken into sand and gravel by the rotating shaft 5 and the crushing blade, and then falls into the bottom bin 1, slowed down by the first ramp 9 and the second ramp 10 and falls onto the surface of the screen plate 2 for screening. Those that meet the standards can fall and be discharged from the first discharge hopper 11, and those that do not meet the standards will be discharged from the second discharge hopper 12, and the top bin 3 can be separated from the bottom bin 1 by disassembly.

[0020] By making the bottom bin 1 and the top bin 3 into separate structures, the integrated structure can be disassembled, the transportation area can be reduced, and the transportation cost can be reduced, so that the structure can be better transported to the required place. In addition, by setting the first ramp plate 9 and the second ramp plate 10, the impact force of the falling sand and gravel is delayed, and the damage to the screen plate 2 is reduced, so that it can be adapted to large-scale processing, increase work efficiency, and reduce working time.

[0021] A drive box 6 is fixedly connected to one side of the top bin 3, a motor 7 is fixedly connected to the bottom end of the inner wall of the drive box 6, an output shaft of the motor 7 is fixedly connected to one end of the rotating shaft 5, and a plurality of reinforcement rods 8 are fixedly connected between the bottom surface of the drive box 6 and the surface of one side of the top bin 3.

[0022] A first ramp plate 9 is obliquely arranged in the inner cavity of the bottom bin 1 , and a second ramp plate 10 is obliquely arranged in the inner cavity of the bottom bin 1 and above the sieve plate 2 in the opposite direction to the first ramp plate 9 .

[0023] The first ramp plate 9 is inclined from one end to the other end, and the second ramp plate 10 is inclined from the other end to one end and is arranged below the first ramp plate 9 .

[0024] A first through opening is opened at the bottom end of one side surface of the bottom bin 1, and a first discharge hopper 11 is fixedly connected to the bottom end of one side surface of the bottom bin 1 and located outside the first through opening. A second through opening is opened at the surface of one side of the bottom bin 1 and located above one end of the sieve plate 2, and a second discharge hopper 12 is fixedly connected to the surface of one side of the bottom bin 1 and located outside the second through opening.

[0025] Those that meet the standards can fall down and be discharged from the first discharge hopper 11, and those that do not meet the standards can be discharged from the second discharge hopper 12.

[0026] Support plates 13 are fixedly connected to both sides of the inner wall of the bottom bin 1 , and spring rods 14 are evenly spaced between the top ends of the two support plates 13 and the two ends of the bottom surface of the sieve plate 2 .

[0027] A vibration box 17 is fixedly connected to the surface of one side of the bottom bin 1, and a vibration motor is fixedly connected to the bottom end of the inner wall of the vibration box 17, which can make the entire device vibrate to facilitate better work during screening. The spring rod 14 can make the vibration effect of the screen plate 2 stronger during vibration.

[0028] Both ends of the bottom surface of the top bin 3 are fixedly connected with mounting blocks 15 , both ends of the upper surface of the bottom bin 1 are provided with mounting grooves matching the mounting blocks 15 , and both end surfaces of the feed hopper 4 are fixedly connected with fixing blocks 16 .

[0029] Support blocks 18 are fixedly connected to both ends of the upper surface of the top bin 3, and pull rings 19 are provided in the middle of the two support blocks 18. Support legs 20 are fixedly connected to the four corners of the rectangular bottom surface of the bottom bin 1.

[0030] During operation, waste concrete is fed into the feed hopper 4, broken into sand and gravel by the rotating shaft 5 and the crushing blade, and then falls into the bottom bin 1, slowed down by the first ramp 9 and the second ramp 10 and falls onto the surface of the screen plate 2 for screening. Concrete that meets the standards can fall and be discharged from the first discharge hopper 11, and concrete that does not meet the standards will be discharged from the second discharge hopper 12, and the top bin 3 can be separated from the bottom bin 1 by disassembly.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for crushing and screening waste concrete into sand, comprising a bottom bin (1), characterized in that: A sieve plate (2) is obliquely arranged in the inner cavity of the bottom bin (1); a top bin (3) is detachably mounted on the top of the bottom bin (1); a feed port is provided at the top of the top bin (3); a feed hopper (4) is detachably arranged at the top of the top bin (3) and located outside the feed port; a rotating shaft (5) is rotatably and transversely penetrated in the inner cavity of the top bin (3); and a plurality of crushing blades are evenly spaced on the surface of the rotating shaft (5).

2. The waste concrete crushing and powder screening sand making device according to claim 1 is characterized by: A drive box (6) is fixedly connected to one side of the top bin (3); a motor (7) is fixedly connected to the bottom end of the inner wall of the drive box (6); an output shaft of the motor (7) is fixedly connected to one end of the rotating shaft (5); and a plurality of reinforcement rods (8) are fixedly connected between the bottom surface of the drive box (6) and a surface of one side of the top bin (3).

3. The waste concrete crushing, powder screening and sand making device according to claim 1 is characterized by: A first ramp plate (9) is obliquely arranged in the inner cavity of the bottom bin (1), and a second ramp plate (10) is obliquely arranged in the inner cavity of the bottom bin (1) and located above the sieve plate (2) in the opposite direction to the first ramp plate (9).

4. The waste concrete crushing and powder screening sand making device according to claim 1 is characterized by: A first through opening is provided at the bottom end of one side surface of the bottom bin (1), and a first discharge hopper (11) is fixedly connected to the bottom end of one side surface of the bottom bin (1) and located outside the first through opening; a second through opening is provided at the top of one end of the sieve plate (2), and a second discharge hopper (12) is fixedly connected to the bottom end of one side surface of the bottom bin (1) and located outside the second through opening.

5. The waste concrete crushing, powder screening and sand making device according to claim 1 is characterized by: Support plates (13) are fixedly connected to both sides of the inner wall of the bottom bin (1), and spring rods (14) are evenly spaced between the top ends of the two support plates (13) and the two ends of the bottom surface of the sieve plate (2).

6. The waste concrete crushing, powder screening and sand making device according to claim 1 is characterized by: Both ends of the bottom surface of the top bin (3) are fixedly connected with mounting blocks (15), both ends of the upper surface of the bottom bin (1) are provided with mounting grooves matching the mounting blocks (15), and both end surfaces of the feed hopper (4) are fixedly connected with fixing blocks (16).

7. The waste concrete crushing, powder screening and sand making device according to claim 1 is characterized by: Support blocks (18) are fixedly connected at both ends of the upper surface of the top bin (3), and pull rings (19) are provided in the middle of the two support blocks (18). Support legs (20) are fixedly connected at the four corners of the rectangular bottom surface of the bottom bin (1).

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