Anti-blocking recycled concrete screening machine

Abstract

The utility model relates to the technical field of recycled concrete processing, and discloses an anti-blocking recycled concrete screening machine which comprises a box body and a feeding hopper, the feeding hopper fixedly penetrates through the left side of the top of the box body, a discharging port is formed in the lower end of the left side wall of the box body in a penetrating mode, and a fixing rod is arranged in the box body. The front end and the rear end of the fixing rod are fixedly connected with the front inner wall face and the rear inner wall face of the box body correspondingly, the fixing rod is sleeved with a screen frame, the screen frame is slidably connected with the fixing rod, a screen is installed at the lower end of the inner wall face of the screen frame, and a discharging channel is formed in the right side of the screen. And the discharging channel fixedly penetrates through the right side wall of the box body. According to the anti-blocking recycled concrete screening machine, efficient screening of recycled concrete can be guaranteed, blocking is avoided, the screening smoothness of the recycled concrete is guaranteed, the screening efficiency of the recycled concrete is improved, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled concrete processing, in particular to an anti-clogging recycled concrete screening machine. Background Art

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc. Recycled concrete needs to be screened during processing to select recycled concrete of appropriate size for use. However, existing recycled concrete screening equipment still has certain defects, such as:

[0003] The "A Recycled Concrete Screening Device" with application number CN201921069175.2 does not have an anti-clogging function during use. During screening, due to the irregular shape of the recycled concrete, it is easy to clog the sieve plate holes, making it difficult to ensure smooth screening of the recycled concrete, affecting the screening efficiency of the recycled concrete and having limitations in use. In view of this, an anti-clogging recycled concrete screening machine is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-clogging recycled concrete screening machine to solve the problem in the above background technology that the existing recycled concrete screening equipment does not have the anti-clogging function.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: an anti-clogging recycled concrete screening machine, comprising a box body and a feed hopper, the feed hopper is fixed through the top left side of the box body,

[0006] A discharge port is provided at the lower end of the left side wall of the box body, a fixing rod is provided inside the box body, and the front and rear ends of the fixing rod are fixedly connected to the front and rear inner wall surfaces of the box body respectively, a screen frame is mounted on the fixing rod, and the screen frame is slidably connected to the fixing rod, and a screen is installed at the lower end of the inner wall surface of the screen frame, a discharge channel is provided on the right side of the screen, and the discharge channel is fixedly passed through the right side wall of the box body;

[0007] The bottom of the screen is abutted with a brush, and the brushes are evenly installed on the top surface of the installation plate.

[0008] The above technical solution is adopted to facilitate the cleaning of the screen during the screening of recycled concrete to avoid clogging.

[0009] As a preferred technical solution of the present invention, the inner bottom surface of the box body is tilted with the left side higher and the right side lower.

[0010] The above technical solution is adopted to ensure the discharge of the screened recycled concrete.

[0011] As a preferred technical solution of the present invention, the screen frame and the screen mesh are arranged tilted with the left side higher and the right side lower.

[0012] The above technical solution is adopted to ensure that the recycled concrete rolls during screening.

[0013] As an optimal technical solution of the present invention, a rotating shaft is provided on the left side of the screen frame, and the rotating shaft bearing passes through the left side wall of the box body, a turntable is coaxially fixedly installed on the right end of the rotating shaft, and a driving pin is fixedly installed at an eccentric position on the right side of the turntable, the driving pin movably extends into the strip slide, and the strip slide is opened on the left side of the screen frame.

[0014] The above technical solution makes it easy to drive the driving pin to rotate in a circle through the turntable by rotating the rotating shaft, and the screen frame and the screen mesh are driven to move back and forth through the cooperation of the driving pin and the strip slide, thereby improving the screening effect.

[0015] As a preferred technical solution of the present invention, the left end of the rotating shaft is coaxially fixedly connected to the shaft end of the motor, and the motor is installed on the left inner wall of the chassis, and the chassis is fixedly installed on the left side of the box body.

[0016] By adopting the above technical solution, the rotating shaft can be rotated by driving the motor, so that the rotation of the rotating shaft can be automatically controlled.

[0017] The lockhole that is formed on the upper part of the second end of the crankcase is formed, and the lockhole that is formed on the upper part of the second end of the crankcase is formed. The lockhole that is formed on the upper part of the second end of the crankcase is formed.

[0018] By adopting the above technical solution, when the reciprocating screw rotates, the connecting plate drives the sliding ring, the mounting plate and the brush to move, thereby cleaning the screen and preventing the screen from being blocked.

[0019] As an optimal technical solution of the present invention, a driving gear is fixedly mounted on the rotating shaft, and the driving gear is located inside the chassis. The driving gear is meshed with a driven gear, and the driven gear is coaxially fixedly mounted on the left end of the reciprocating screw.

[0020] By adopting the above technical solution, the reciprocating screw can be rotated by the arrangement of the driving gear and the driven gear when the rotating shaft rotates.

[0021] Compared with the existing technology, the beneficial effects of the utility model are: the anti-clogging recycled concrete screening machine can ensure efficient screening of recycled concrete, avoid blockage, ensure the smoothness of recycled concrete screening, improve the screening efficiency of recycled concrete, and is simple and flexible to operate and highly practical;

[0022] 1. The recycled concrete is put into the screen frame through the feed hopper and placed on the top of the screen, so that the recycled concrete rolls to the right to achieve screening;

[0023] 2. At the same time, start the motor to make the rotating shaft drive the turntable to rotate, so that the driving pin produces circular rotation and the screen frame and screen mesh produce reciprocating movement under the action of the fixed rod through the cooperation of the strip slide, so that the recycled concrete shakes back and forth, thereby improving the screening effect of the recycled concrete;

[0024] 3. When the shaft rotates, the reciprocating screw rotates through the action of the driving gear and the driven gear, so that the connecting plate drives the sliding ring, the mounting plate and the brush to move back and forth, cleaning the screen to avoid blockage, ensuring the smooth screening of recycled concrete and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0027] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0028] Figure 4 This is a schematic diagram of the three-dimensional connection structure between the screen frame and the fixing rod of the utility model;

[0029] Figure 5 This is a schematic diagram of the side cross-sectional connection structure of the connecting plate, sliding ring and hollow tube of the utility model.

[0030] In the figure: 1. Box body; 2. Feed hopper; 3. Discharge port; 4. Screen frame; 5. Screen; 6. Brush; 7. Mounting plate; 8. Rotating shaft; 9. Turntable; 10. Driving pin; 11. Strip slide; 12. Motor; 13. Chassis; 14. Sliding ring; 15. Hollow tube; 16. Connecting plate; 17. Through slot; 18. Reciprocating screw; 19. Driving gear; 20. Driven gear; 21. Fixed rod; 22. Discharge channel. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-5 The utility model relates to a technical solution of an anti-clogging recycled concrete screening machine, comprising a box body 1 and a feed hopper 2. The inner bottom surface of the box body 1 is an inclined setting with the left side higher and the right side lower. The feed hopper 2 is fixed through the top left side of the box body 1, and a discharge port 3 is provided at the lower end of the left wall of the box body 1. A fixing rod 21 is provided inside the box body 1, and the front and rear ends of the fixing rod 21 are fixedly connected to the front and rear inner wall surfaces of the box body 1 respectively. A screen frame 4 is mounted on the fixing rod 21, and the screen frame 4 is slidably connected to the fixing rod 21, and a screen mesh 5 is installed at the lower end of the inner wall surface of the screen frame 4, and the screen frame 4 and the screen mesh 5 are inclinedly set with the left side higher and the right side lower. A discharge channel 22 is provided on the right side of the screen mesh 5, and the discharge channel 22 is fixed through the right side wall of the box body 1, and the bottom of the screen mesh 5 abuts against a brush 6, and the brush 6 is evenly mounted on the top surface of the mounting plate 7;

[0033] A rotating shaft 8 is provided on the left side of the screen frame 4, and the bearing of the rotating shaft 8 passes through the left wall of the box body 1. A turntable 9 is coaxially fixedly installed on the right end of the rotating shaft 8, and a driving pin 10 is fixedly installed at an eccentric position on the right side of the turntable 9. The driving pin 10 movably extends into a strip chute 11, and the strip chute 11 is opened on the left side of the screen frame 4;

[0034] The left end of the rotating shaft 8 is coaxially fixedly connected to the shaft end of the motor 12, and the motor 12 is installed on the left inner wall of the chassis 13, and the chassis 13 is fixedly installed on the left side of the box body 1;

[0035] The bottom surface of the mounting plate 7 is fixedly installed with a sliding ring 14, and the sliding ring 14 is sleeved on the outer wall of the hollow tube 15, the sliding ring 14 is slidably connected to the outer wall of the hollow tube 15, and the left and right ends of the hollow tube 15 are respectively fixedly connected to the left and right inner walls of the box body 1, and the hollow tube 15 is parallel to the screen 5. The inner top surface of the hollow tube 15 is slidably connected with a connecting plate 16, and the connecting plate 16 is provided with a through slot 17, and the through slot 17 is opened at the bottom of the hollow tube 15, the bottom surface of the connecting plate 16 is fixedly connected to the inner bottom surface of the sliding ring 14, and a reciprocating screw rod 18 is penetrated on the connecting plate 16, and the reciprocating screw rod 18 is threadedly connected to the connecting plate 16, the reciprocating screw rod 18 is located inside the hollow tube 15, and the right end of the reciprocating screw rod 18 is connected to the right inner wall bearing of the box body 1, and the reciprocating screw rod 18 bearing passes through the left wall of the box body 1 and extends to the interior of the chassis 13;

[0036] A driving gear 19 is fixedly mounted on the rotating shaft 8 and is located inside the chassis 13 . The driving gear 19 is meshed with a driven gear 20 , and the driven gear 20 is coaxially fixedly mounted on the left end of the reciprocating screw 18 .

[0037] Working principle: When in use, the recycled concrete is put into the screen frame 4 through the feed hopper 2 and screened through the screen 5. At the same time, the motor 12 is started to rotate the rotating shaft 8, so that the rotating shaft 8 drives the driving pin 10 to rotate in a circle through the turntable 9. The driving pin 10 cooperates with the strip chute 11 to make the screen frame 4 and the screen 5 move back and forth on the fixed rod 21, so that the recycled concrete shakes, thereby improving the screening effect of the recycled concrete. The screened recycled concrete falls and is discharged through the discharge port 3, while the recycled concrete that does not meet the requirements will be discharged through the discharge channel 22.

[0038] When the rotating shaft 8 rotates, it drives the driving gear 19 to rotate synchronously, so that the driven gear 20 meshing with the driving gear 19 drives the reciprocating screw 18 to rotate, so that the connecting plate 16 drives the sliding ring 14 and the mounting plate 7 and the brush 6 to move back and forth, so that the screen 5 is brushed and cleaned to avoid clogging of the screen 5. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0039] 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. An anti-clogging recycled concrete screening machine, comprising a box body (1) and a feed hopper (2), wherein the feed hopper (2) is fixedly passed through the top left side of the box body (1), characterized in that: A discharge port (3) is provided at the lower end of the left side wall of the box body (1), a fixing rod (21) is provided inside the box body (1), and the front and rear ends of the fixing rod (21) are fixedly connected to the front and rear inner wall surfaces of the box body (1), respectively, a screen frame (4) is mounted on the fixing rod (21), and the screen frame (4) is slidably connected to the fixing rod (21), and a screen (5) is installed at the lower end of the inner wall surface of the screen frame (4), a discharge channel (22) is provided on the right side of the screen (5), and the discharge channel (22) is fixedly passed through the right side wall of the box body (1); The bottom of the screen (5) is in contact with a brush (6), and the brush (6) is evenly mounted on the top surface of the mounting plate (7).

2. The anti-clogging recycled concrete screening machine according to claim 1, characterized in that: The inner bottom surface of the box body (1) is tilted so that the left side is higher and the right side is lower.

3. The anti-clogging recycled concrete screening machine according to claim 1, characterized in that: The screen frame (4) and the screen mesh (5) are arranged in an inclined manner with the left side higher and the right side lower.

4. The anti-clogging recycled concrete screening machine according to claim 3, characterized in that: A rotating shaft (8) is provided on the left side of the screen frame (4), and the bearing of the rotating shaft (8) passes through the left side wall of the box body (1). A turntable (9) is coaxially fixedly installed on the right end of the rotating shaft (8), and a driving pin (10) is fixedly installed at an eccentric position on the right side of the turntable (9). The driving pin (10) movably extends into a strip chute (11), and the strip chute (11) is opened on the left side of the screen frame (4).

5. The anti-clogging recycled concrete screening machine according to claim 4, characterized in that: The left end of the rotating shaft (8) is coaxially fixedly connected to the shaft end of the motor (12), and the motor (12) is installed on the left inner wall surface of the chassis (13), and the chassis (13) is fixedly installed on the left side surface of the box body (1).

6. The anti-clogging recycled concrete screening machine according to claim 5, characterized in that: A sliding ring (14) is fixedly installed on the bottom surface of the mounting plate (7), and the sliding ring (14) is sleeved on the outer wall surface of the hollow tube (15). The sliding ring (14) is slidably connected to the outer wall surface of the hollow tube (15), and the left and right ends of the hollow tube (15) are respectively fixedly connected to the left and right inner wall surfaces of the box body (1), and the hollow tube (15) is parallel to the screen (5). The inner top surface of the hollow tube (15) is slidably connected to a connecting plate (16), and the connecting plate (16) is set through the through groove (17), and the through groove (17) is opened. Located at the bottom of the hollow tube (15), the bottom surface of the connecting plate (16) is fixedly connected to the inner bottom surface of the sliding ring (14), and a reciprocating screw (18) is provided through the connecting plate (16), and the reciprocating screw (18) is threadedly connected to the connecting plate (16), the reciprocating screw (18) is located inside the hollow tube (15), and the right end of the reciprocating screw (18) is connected to the right inner wall of the box body (1) by a bearing, and the reciprocating screw (18) bearing passes through the left side wall of the box body (1) and extends to the inside of the chassis (13).

7. The anti-clogging recycled concrete screening machine according to claim 6, characterized in that: A driving gear (19) is fixedly mounted on the rotating shaft (8), and the driving gear (19) is located inside the chassis (13). The driving gear (19) is meshedly connected to a driven gear (20), and the driven gear (20) is coaxially fixedly mounted on the left end of the reciprocating screw (18).

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