Screening device for concrete processing

By introducing a spiral conveying structure and driving structure into the screening device for concrete processing, the problem of low efficiency of crushing and screening of large particles is solved, efficient screening and extended equipment life is achieved, and the screen plate can be replaced as needed to meet the screening requirements of different raw materials.

CN223276675UActive Publication Date: 2025-08-29LUXI YAOCHENG COMMERCIAL CONCRETE CO LTD
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Patent Information

Application Number
CN202422440908.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-08-29
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

The existing screening device for concrete processing cannot initially crush large pieces of particles, which increases screening difficulty, and the long-term use of the centrifugal wheel may deform and affect its service life.

Method used

A screening device including a spiral conveying structure and a driving structure is designed to initially crush large-sized raw materials through spiral blades, and the reciprocating movement of the screen plate is realized through a rotating disc and connecting rod driven by a motor, combined with a detachable screen plate to meet different raw material screening requirements.

Benefits of technology

It improves screening efficiency, extends the service life of the device, and can replace the screen plate as needed to meet the screening needs of different raw materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete processing screening device which comprises a box body, sliding rails are symmetrically arranged on the front side and the rear side of the interior of the box body, a first protective shell is arranged on one side of the box body, a first discharging opening is formed in the other side of the box body, a movable groove is formed in the side, close to the first protective shell, of the box body, a driving structure penetrates through the interior of the movable groove, and a fixing frame is arranged on the side, close to the box body, of the driving structure. Pulleys are symmetrically arranged on the front side and the rear side of the fixing frame respectively, a sieve plate is arranged at the top of the fixing frame, four dismounting structures penetrate through the four corners of the top of the sieve plate respectively, a movable plate is hinged to the side, opposite to the first discharging opening, of the driving structure, a feeding opening is formed in the top of the box body, a conveying box is arranged on the rear side of the top of the feeding opening, and a spiral conveying structure is arranged in the conveying box. Through the application of the thread conveying structure, large-specification raw materials can be preliminarily crushed, the screening difficulty is reduced, the screening efficiency is improved, and through the application of the dismounting structure, the proper screening plate can be selected according to the raw material screening requirement, and different raw materials can be conveniently screened.
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Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a screening device for concrete processing. Background Art

[0002] In the daily concrete processing process, it is often necessary to screen sand and gravel raw materials. Screening equipment is a machine that separates coarse and fine materials through a filter. Screening equipment is divided into drum type, water-washing drum type and vibrating screen type. It has a simple structure and high screening efficiency. It is widely used in construction sites such as rivers, coal yards, and construction sites.

[0003] A raw material screening device for construction concrete processing with announcement number CN215844108U includes a screening box and a motor frame fixedly connected to the right side of the screening box, a motor fixedly connected to the bottom of the inner cavity of the motor frame, and the output shaft of the motor fixedly connected to a rotating rod through a coupling, the left end of the rotating rod passes through the screening box and extends to the interior of the screening box, and the left end of the rotating rod is fixedly connected to a centrifugal wheel. The utility model relates to the technical field of construction. The raw material screening device for construction concrete processing drives the rotating rod to rotate by the motor, and the rotation of the centrifugal wheel will repeatedly lift and move the L-shaped rod up and down, thereby driving the screen to continuously tilt and rotate, causing the concrete raw materials of unqualified size on the screen to shake, and can effectively clean the concrete raw materials of unqualified size, and can well prevent the screen from being blocked, greatly improving the efficiency of concrete raw material screening. In addition, the existing screening device for concrete processing also has the following disadvantages during use:

[0004] (1) The existing concrete processing screening device and feeding device are unable to perform preliminary crushing, and large particles are directly vibrated and screened, which increases the screening difficulty and reduces the screening efficiency;

[0005] (2) The existing screening device for concrete processing uses a centrifugal wheel to push the L-shaped rod up and down repeatedly. The L-shaped rod may be deformed after long-term use, which affects the service life of the device. Utility Model Content

[0006] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a screening device for concrete processing.

[0007] In order to solve the above problems, the technical solution of the present invention is as follows: it includes a box body, and slide rails are symmetrically provided on the front and back sides of the interior of the box body, a protective shell is provided on one side of the box body, and a discharge port is provided on the other side, a movable groove is provided on the side of the box body close to the protective shell, a driving structure is passed through the interior of the movable groove, and a fixed frame is provided on the side of the driving structure close to the box body, four pulleys are symmetrically provided on the front and rear sides of the fixed frame, a sieve plate is provided on the top of the fixed frame, and four groups of disassembly structures are respectively passed through the four corners of the top of the sieve plate, the driving structure is hinged to a movable plate on the opposite side of the discharge port, a discharge port 2 is provided at the bottom of the box body, a feeding port is provided on the top of the box body, a conveying box is provided on the top rear side of the feeding port, a spiral conveying structure is provided inside the conveying box, and a feeding funnel is provided on the top side of the conveying box.

[0008] Furthermore, one end of the motor 1 is fixedly connected to the inner wall of the protective shell 1, and the other end is fixedly connected to the rotating disk.

[0009] Furthermore, the spiral conveying structure includes a spiral shaft, spiral blades and motor 2. A spiral shaft is passed through the interior of the conveying box. One end of the spiral shaft is connected to the inner wall of the conveying box by a bearing, and the other end passes through the conveying box and is fixedly connected to motor 2. The outer wall of the spiral shaft is sleeved with spiral blades, and a discharge port 3 is provided on the front bottom side of the conveying box.

[0010] Furthermore, the driving structure includes a connecting shaft, a connecting rod, a rotating disk and a motor 1. A connecting shaft is passed through the inside of the movable groove. One end of the connecting shaft is hinged to the fixed frame, and the other end is connected to the connecting rod through the box bearing. The front side bearing of the connecting rod is connected to the rotating disk, and a motor 1 is provided on the front side of the rotating disk.

[0011] Furthermore, each group of the disassembly structure includes a threaded rod, a threaded hole and a fixing block. The fixing frame and the top four corners of the sieve plate are respectively provided with threaded holes, the top four corners of the sieve plate are respectively penetrated by threaded rods, the tops of the four threaded rods are respectively provided with fixing blocks, and the four threaded rods are respectively threadedly connected to the threaded holes.

[0012] Furthermore, support frames are respectively provided at the four corners of the bottom of the conveying box, a control panel is provided at the top of one side of the box body, the four pulleys are respectively slidably connected to the slide rails, two of the slide rails have a certain inclination angle, and the two slide rails are inclined from the movable groove toward the direction of the discharge port.

[0013] The advantages of this utility model compared with the existing technology are:

[0014] 1. The utility model provides a screening device for concrete processing. When it is needed, the processed raw materials are poured into the conveying box through the feeding funnel, and the motor 2 is started through the control panel. The motor 2 starts to drive the spiral shaft to rotate, and the rotation of the spiral shaft drives the spiral blade to rotate. The rotation of the spiral blade drives the processed raw materials to be conveyed to the discharge port 3. The processed raw materials are output from the discharge port 3 and enter the box body through the feeding port. The friction between the spiral blade and the inner wall of the conveying box can be used to preliminarily crush large-sized raw materials, thereby reducing the difficulty of screening and improving the screening efficiency.

[0015] 2. The utility model provides a screening device for concrete processing. The motor 1 is started through the control panel. The motor 1 starts to rotate the rotating shaft, the rotating shaft rotates the rotating disk, the rotating disk rotates the connecting rod, the connecting rod rotates the connecting shaft to reciprocate, the reciprocating motion of the connecting shaft drives the sieve plate to reciprocate, thereby screening the processed raw materials, thereby increasing the service life of the utility model.

[0016] 3. The utility model provides a screening device for concrete processing. The four corners of the sieve plate and the fixed frame are provided with threaded holes, which are threadedly connected to the threaded rods. Through the cooperation of the threaded rods and the threaded holes, the sieve plate can be disassembled. The appropriate sieve plate can be selected according to the requirements of the screening raw materials, which is convenient for screening different raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the present utility model.

[0018] Figure 2 yes Figure 1 Schematic cross-sectional view of the structure near the middle drive structure.

[0019] Figure 3 yes Figure 1 Schematic diagram of the structure near the middle drive structure.

[0020] Figure 4 yes Figure 3 Schematic cross-sectional view at point A in the middle.

[0021] Figure 5 yes Figure 1 Schematic cross-sectional view of the structure near the spiral conveyor structure.

[0022] As shown in the figure: 1. Box body; 2. Slide rail; 3. Protective shell 1; 4. Discharge port 1; 5. Movable slot; 6. Driving structure; 601. Connecting shaft; 602. Connecting rod; 603. Rotating disk; 604. Motor 1; 7. Fixed frame; 8. Pulley; 9. Screen plate; 10. Disassembly structure; 101. Threaded rod; 102. Threaded hole; 103. Fixed block; 11. Movable plate; 12. Discharge port 2; 13. Feed port; 14. Conveyor box; 15. Spiral conveying structure; 151. Spiral shaft; 152. Spiral blade; 153. Motor 2; 154. Discharge port 3; 16. Feed funnel; 17. Support frame; 18. Control panel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] like Figure 1 and Figure 2 As shown, it includes a box body 1, and slide rails 2 are symmetrically provided on the front and back sides of the interior of the box body 1. A protective shell 3 is provided on one side of the box body 1, and a discharge port 4 is provided on the other side. A movable groove 5 is provided on the side of the box body 1 close to the protective shell 3. A driving structure 6 is passed through the inside of the movable groove 5. A fixing frame 7 is provided on the side of the driving structure 6 close to the box body 1. Four pulleys 8 are symmetrically provided on the front and rear sides of the fixing frame 7. A sieve plate 9 is provided on the top of the fixing frame 7. Four groups of disassembly structures 10 are respectively passed through the four corners of the top of the sieve plate 9. The driving structure 6 is hinged on the opposite side of the discharge port 4. A movable plate 11 is connected, and a discharge port 12 is provided at the bottom of the box body 1, a feed port 13 is provided at the top of the box body 1, and a transfer box 14 is provided on the top rear side of the feed port 13. A spiral transfer structure 15 is provided inside the transfer box 14, and a feed hopper 16 is provided on one side of the top of the transfer box 14. Support frames 17 are provided at the four corners of the bottom of the transfer box 14, and a control panel 18 is provided on the top of one side of the box body 1. The four pulleys 8 are respectively slidably connected to the slide rails 2, and the two slide rails 2 have a certain inclination angle. The two slide rails 2 are inclined from the movable groove 5 toward the direction of the discharge port 4.

[0025] like Figure 3 and Figure 4As shown, the driving structure 6 includes a connecting shaft 601, a connecting rod 602, a rotating disk 603 and a motor 1 604. The interior of the movable slot 5 is provided with a connecting shaft 601. One end of the connecting shaft 601 is hinged to the fixing frame 7, and the other end passes through the box body 1 and is connected to the connecting rod 602 with a bearing. The front side bearing of the connecting rod 602 is connected to the rotating disk 603. The front side of the rotating disk 603 is provided with a motor 1 604. One end of the motor 1 604 is fixedly connected to the inner wall of the protective shell 1 3, and the other end is fixedly connected to the rotating disk 603. A rotating shaft is provided on the opposite side of the motor 1 604 and the rotating disk 603. One end of the rotating shaft One end is fixedly connected to the motor 604, and the other end is fixedly connected to the rotating disk 603. Each group of disassembly structures 10 includes a threaded rod 101, a threaded hole 102 and a fixed block 103. The four corners of the top of the fixing frame 7 and the sieve plate 9 are respectively provided with threaded holes 102. The four corners of the top of the sieve plate 9 are respectively penetrated by threaded rods 101. The tops of the four threaded rods 101 are respectively provided with fixed blocks 103. The four threaded rods 101 are respectively threadedly connected to the threaded holes 102. The control panel 18 is electrically connected to the motor 604. The sieve plate 9 is detachable. The appropriate sieve plate 9 can be selected according to the requirements of the screening raw materials, which is convenient for screening different raw materials.

[0026] like Figure 5 As shown, the spiral conveying structure 15 includes a spiral shaft 151, a spiral blade 152 and a second motor 153. The interior of the conveying box 14 is provided with a spiral shaft 151. One end of the spiral shaft 151 is connected to the inner wall of the conveying box 14 by a bearing, and the other end passes through the conveying box 14 and is fixedly connected to the second motor 153. The outer wall of the spiral shaft 151 is provided with a spiral blade 152. The side of the motor away from the spiral shaft 151 is fixedly connected to the second protection box. The front bottom side of the conveying box 14 is provided with a third discharge port 154. The control panel 18 is electrically connected to the second motor 153. The application of structure 15 is to pour the processed raw materials into the conveying box 14 through the feeding funnel 16, and start the motor 2 153 through the control panel 18. The motor 2 153 starts to drive the screw shaft 151 to rotate, and the rotation of the screw shaft 151 drives the spiral blade 152 to rotate. The rotation of the spiral blade 152 drives the processed raw materials to be transported to the discharge port 3 154. The processed raw materials are output from the discharge port 3 154 and enter the box body 1 from the feed port 13. Through the friction between the spiral blade 152 and the inner wall of the conveying box 14, large-sized raw materials can be preliminarily crushed, reducing the difficulty of screening.

[0027] In specific use, refer to Figures 1 to 5As shown, when it is needed, the processed raw materials are poured into the conveying box 14 through the feeding funnel 16, and the motor 2 153 is started through the control panel 18. The motor 2 153 starts to drive the screw shaft 151 to rotate, and the rotation of the screw shaft 151 drives the spiral blade 152 to rotate, and the rotation of the spiral blade 152 drives the processed raw materials to be transported to the discharge port 3 154. The processed raw materials are output from the discharge port 3 154 and enter the box body 1 from the feed port 13. The motor 1 604 is started through the control panel 18. The motor 1 604 starts to drive the rotating shaft to rotate, and the rotation of the rotating shaft drives the rotating disk 603 to rotate, and the rotation of the rotating disk 603 drives the connecting rod 602 rotates, the connecting rod 602 rotates to drive the connecting shaft 601 to reciprocate, the reciprocating motion of the connecting shaft 601 drives the sieve plate 9 to reciprocate, thereby screening the processed raw materials. Because the two slide rails 2 have a certain inclination angle, larger raw materials cannot pass through the sieve plate 9 and slide from the discharge port 4, and the screened raw materials slide from the discharge port 2 12 to complete the screening of the processed raw materials. The sieve plate 9 and the four corners of the fixed frame 7 are provided with threaded holes 102, and the threaded holes 102 are threadedly connected to the threaded rod 101. The sieve plate 9 is detachable, and the appropriate sieve plate 9 can be selected according to the requirements of the screening raw materials, which is convenient for screening different raw materials.

[0028] The electrical components appearing in this article are all electrically connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] 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.

[0031] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A screening device for concrete processing, characterized in that: The invention comprises a box body (1), wherein the box body (1) is symmetrically provided with slide rails (2) on the front and rear sides thereof, a protective shell (3) is provided on one side of the box body (1), and a discharge port (4) is provided on the other side thereof, a movable groove (5) is provided on the side of the box body (1) close to the protective shell (3), a driving structure (6) is passed through the inside of the movable groove (5), a fixing frame (7) is provided on the side of the driving structure (6) close to the box body (1), four pulleys (8) are symmetrically provided on the front and rear sides of the fixing frame (7), and the top of the fixing frame (7) is provided with a plurality of pulleys (8). A sieve plate (9) is provided, and four groups of disassembly structures (10) are respectively provided at the four corners of the top of the sieve plate (9), the driving structure (6) is hinged with a movable plate (11) on the opposite side of the discharge port 1 (4), the bottom of the box body (1) is provided with a discharge port 2 (12), the top of the box body (1) is provided with a feed port (13), a transfer box (14) is provided on the rear side of the top of the feed port (13), a spiral transfer structure (15) is provided inside the transfer box (14), and a feeding funnel (16) is provided on one side of the top of the transfer box (14).

2. A screening device for concrete processing according to claim 1, characterized in that: The driving structure (6) includes a connecting shaft (601), a connecting rod (602), a rotating disk (603) and a motor (604). The connecting shaft (601) is passed through the interior of the movable groove (5). One end of the connecting shaft (601) is hinged to the fixed frame (7), and the other end passes through the bearing of the box (1) and is connected to the connecting rod (602). The front side bearing of the connecting rod (602) is connected to the rotating disk (603), and the front side of the rotating disk (603) is provided with a motor (604).

3. A screening device for concrete processing according to claim 2, characterized in that: One end of the motor 1 (604) is fixedly connected to the inner wall of the protective shell 1 (3), and the other end is fixedly connected to the rotating disk (603).

4. A screening device for concrete processing according to claim 1, characterized in that: Each group of the disassembly structures (10) comprises a threaded rod (101), a threaded hole (102) and a fixing block (103); the four corners of the top of the fixing frame (7) and the sieve plate (9) are respectively provided with threaded holes (102); the four corners of the top of the sieve plate (9) are respectively penetrated by threaded rods (101); the tops of the four threaded rods (101) are respectively provided with fixing blocks (103); and the four threaded rods (101) are respectively threadedly connected to the threaded holes (102).

5. The screening device for concrete processing according to claim 1, characterized in that: The spiral conveying structure (15) comprises a spiral shaft (151), a spiral blade (152) and a second motor (153). The spiral shaft (151) is passed through the interior of the conveying box (14). One end of the spiral shaft (151) is connected to the inner wall of the conveying box (14) by a bearing, and the other end passes through the conveying box (14) and is fixedly connected to the second motor (153). The outer wall of the spiral shaft (151) is sleeved with a spiral blade (152). A third discharge port (154) is provided on the front bottom side of the conveying box (14).

6. The concrete processing screening device according to claim 1, characterized in that: The four corners of the bottom of the transfer box (14) are respectively provided with support frames (17), a control panel (18) is provided on the top of one side of the box body (1), the four pulleys (8) are respectively slidably connected to the slide rails (2), the two slide rails (2) have a certain inclination angle, and the two slide rails (2) are inclined from the movable groove (5) toward the discharge port (4).