Adjustable machine-made sand screening equipment

By introducing angle adjustment and connection components into the screening equipment, the problem of difficult screen replacement has been solved, thereby improving screening efficiency and reducing costs.

CN224010438UActive Publication Date: 2026-03-20GUANGDONG HULU SANDSTONE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing screening equipment, the screening screen is fixed to the outer frame, making it difficult to disassemble and replace with screening screens of different aperture sizes, resulting in complicated operation, time consumption, and increased labor and transportation costs.

Method used

The adjustable manufactured sand screening equipment adopts an angle adjustment component and a connecting component between the screening component and the frame, which makes the screening component angle adjustable and detachable, facilitating the replacement of the screening screen.

Benefits of technology

It achieves high screening efficiency, reduces labor and material costs, simplifies operation procedures, and reduces screening time.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224010438U_ABST
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Abstract

The utility model provides adjustable machine-made sand screening equipment which comprises a rack and a screening assembly rotationally arranged on the rack, the screening assembly comprises an outer frame rotationally arranged in the middle of the rack, a screening net arranged on the outer frame and a connecting assembly arranged between the screening net and the outer frame, and an angle adjusting assembly is arranged between the middle frame and the rack; the angle between the screening assembly and the machine frame can be adjusted, the inclination angle of the screening assembly can be adjusted according to the actual situation of materials to be screened, high screening efficiency is kept, the screening assembly and the outer frame can be detachably connected by arranging the connecting assembly between the screening net and the outer frame, and the screening efficiency is improved. A user can conveniently replace screening nets with different pore diameter specifications, multiple screening assemblies with different pore diameter specifications do not need to be arranged, manpower, material resources and transportation cost can be effectively reduced, screening time is shortened, and the screening device has the advantages of being simple in structure, high in applicability, easy to obtain manufacturing materials and convenient to popularize and implement.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sand and stone prefabrication, and particularly relates to an adjustable machine-made sand screening device. BACKGROUND

[0002] In the prior art, in the fields of building, road construction and concrete prefabrication, the screening process of machine-made sand is a basic and key process. The existing screening device comprises a rack and a screening net assembly arranged on the rack. The screening net assembly comprises an outer frame and a screening net arranged on the outer frame. The material to be screened is placed on the screening net, and screening is performed by relying on the self-weight of the material to be screened. In actual implementation, in order to ensure the fixing strength of the screening net, the existing screening net is usually fixed on the screening net outer frame and cannot be or is difficult to be disassembled. When it is necessary to replace the screening net with different aperture, the entire screening assembly usually needs to be replaced. During the screening operation, a plurality of screening assemblies with different apertures need to be provided to meet the requirements of the screening operation. In actual use, the operation is complex and time-consuming, and the labor and transportation costs are high. Therefore, improvement is needed. CONTENT OF THE UTILITY MODEL

[0003] The application is proposed to solve the technical problem in the prior art that, in the sand and stone prefabrication process, the existing screening net is usually fixed on the screening net outer frame, the fixing mode is relatively complex for improving the fixing strength, the screening net cannot be or is difficult to be disassembled after fixing, different aperture specifications of the screening net cannot be replaced, the actual sand and stone screening requirements cannot be met, the sand and stone screening operation difficulty is increased, and the labor and transportation costs are increased. A kind of adjustable machine-made sand screening device is provided.

[0004] The application adopts the following scheme. An adjustable machine-made sand screening device comprises a rack and a screening assembly rotatably arranged on the rack. An angle adjusting assembly is arranged between the screening assembly and the rack. The angle adjusting assembly is used to adjust the inclination angle of the screening assembly relative to the rack. The screening assembly comprises an outer frame rotatably arranged on the rack, a screening net arranged on the outer frame, and a connecting assembly arranged between the screening net and the outer frame. The screening net is detachably arranged on the outer frame through the connecting assembly.

[0005] In some possible embodiments, the angle adjusting assembly comprises a rotating hole arranged in the middle of the rack and a rotating shaft arranged on the outer frame at a position corresponding to the rotating hole. The rotating shaft can be matched to extend into the rotating hole to enable the outer frame to rotate relative to the rack.

[0006] In some possible embodiments, the angle adjusting assembly further comprises a limiting nut arranged between the rotating shaft and the frame, when the limiting nut matches the rotating shaft, the limiting nut can abut against the outside of the frame to limit the rotation of the outer frame relative to the frame.

[0007] In some possible embodiments, the connecting assembly comprises a plurality of clamping post groups arranged on the side of the outer frame away from the frame, and the four corners of the screen are respectively clamped on each of the clamping post groups.

[0008] In some possible embodiments, the clamping post group comprises an outer clamping post and an inner clamping post, and the cross-sectional radius of the outer clamping post is greater than that of the inner clamping post.

[0009] In some possible embodiments, the frame comprises a base frame and a mounting portion arranged on the base frame, and the base frame and the mounting portion jointly enclose a mounting slot, and when the screening assembly rotates towards the frame, the screening assembly can match the mounting slot.

[0010] In some possible embodiments, the mounting slot comprises a first mounting area and a second mounting area adjacent to the first mounting area, the screening assembly can match the first mounting area, and the accommodating member can match the second mounting area.

[0011] In some possible embodiments, a plurality of fixing holes are arranged on the accommodating member along the width direction of the accommodating member, and a fixing nail can match the fixing hole to fix the accommodating member to a reference surface.

[0012] In some possible embodiments, an opening is arranged on one end of the accommodating member, and a hand holding portion is arranged on the other end, and the hand holding portion is used for a user to hold.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] The application provides an adjustable mechanism sand screening device, which comprises a rack, a screening assembly rotatably arranged on the rack, wherein the screening assembly comprises an outer frame rotatably arranged at the middle part of the rack, a screening net arranged on the outer frame, and a connecting assembly arranged between the screening net and the outer frame, the angle between the screening assembly and the rack is adjustable through the angle adjusting assembly arranged between the middle frame and the rack, the inclination angle of the screening assembly can be adjusted according to the actual situation of the material to be screened, the screening efficiency is kept high, the screening assembly and the outer frame can be detachably connected through the connecting assembly arranged between the screening net and the outer frame, different aperture specifications of the screening net can be replaced by the user, a plurality of screening assemblies with different aperture specifications are not needed, the manpower, material resources and transportation cost can be effectively reduced, the screening time is reduced, and the application has the advantages of simple structure, strong applicability, easy-to-obtain manufacturing material and easy popularization and implementation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the application in the actual use process of an adjustable mechanism sand screening device;

[0016] Figure 2 is a structural schematic diagram of the application after the screening net of the adjustable mechanism sand screening device is removed;

[0017] Figure 3 is a top view of the application;

[0018] Figure 4 is a sectional view of the application at A-A; Figure 3

[0019] Figure 5 is a structural schematic diagram of the application in the storage state after the screening operation of the adjustable mechanism sand screening device is completed;

[0020] Figure 6 is a structural schematic diagram of the application;

[0021] Figure 7 is a structural schematic diagram of the application;

[0022] Figure 8 is a structural schematic diagram of the application. DETAILED DESCRIPTION

[0023] In combination Figures 1-8 ​The content shown further illustrates the technical solutions provided in the present application. A mechanism sand screening device includes a rack 1, a screening assembly 2 rotatably arranged on the rack 1, an angle adjusting assembly 3 arranged between the screening assembly 2 and the rack 1, the angle adjusting assembly 3 being used for adjusting the inclination angle of the screening assembly 2 relative to the rack 1, the screening assembly 2 including an outer frame 20 rotatably arranged on the rack 1, a screening net 21 arranged on the outer frame 20, and a connecting assembly 22 arranged between the screening net 21 and the outer frame 20, the screening net 21 being detachably arranged on the outer frame 20 through the connecting assembly 22.

[0024] The present application provides a mechanism sand screening device, which includes a rack, a screening assembly rotatably arranged on the rack, wherein the screening assembly includes an outer frame rotatably arranged in the middle of the rack, a screening net arranged on the outer frame, and a connecting assembly arranged between the screening net and the outer frame. By arranging an angle adjusting assembly between the middle frame and the rack, the angle between the screening assembly and the rack is adjustable, the inclination angle of the screening assembly can be adjusted according to the actual situation of the material to be screened, the screening efficiency is maintained, by arranging the connecting assembly between the screening net and the outer frame, the screening assembly and the outer frame can be detachably connected, the user can replace the screening net with different aperture specifications, multiple screening assemblies with different aperture specifications are not required, the manpower, material resources and transportation cost can be effectively reduced, the screening time is reduced, and the device has the advantages of simple structure, strong applicability, easy-to-obtain manufacturing materials, and easy popularization and implementation.

[0025] In the implementation process of the present embodiment, the angle adjusting assembly 3 includes a rotating hole 30 arranged in the middle of the rack 1 and a rotating shaft 31 arranged on the outer frame 20 at a position corresponding to the rotating hole 30, the rotating shaft 31 can be matched to extend into the rotating hole 30, so that the outer frame 20 rotates relative to the rack 1.

[0026] In the implementation process of the present embodiment, the angle adjusting assembly 3 further includes a limiting nut 32 arranged between the rotating shaft 31 and the rack 1, when the limiting nut 32 is matched to be arranged on the rotating shaft 31, the limiting nut 32 can abut against the outer side of the rack 1 to limit the rotation of the outer frame 20 relative to the rack 1.

[0027] In the implementation process of the present embodiment, the connecting assembly 22 includes a plurality of clamping column groups 4 arranged on the side of the outer frame 20 away from the rack 1, the plurality of clamping column groups 4 are respectively arranged at the four corners of the outer frame 20, and the four corners of the screening net 21 are respectively clamped on each clamping column group 4.

[0028] In the implementation process of the embodiment, the clamping column group 4 includes an outer clamping column 40 and an inner clamping column 41, and the cross-sectional radius of the outer clamping column 40 is greater than the cross-sectional radius of the inner clamping column 41.

[0029] In the actual implementation process, the screening net is a metal net with elasticity, the clamping column group can be matched to extend into four corner portions of the screening net, and the screening net is clamped on the clamping column group by relying on the elastic force of the screening net, so that the screening net can be detachably arranged on the outer frame.

[0030] Further, a threading hole is arranged on the outer clamping column or the inner clamping column, and when the screening net is matched and clamped on the clamping column group, the screening net can also be flexibly connected with the clamping column group through the threading hole, thereby improving the connection stability of the screening net.

[0031] In the implementation process of the embodiment, the rack 1 includes a base frame 10 and a mounting portion 11 arranged on the base frame 10, and the base frame 10 and the mounting portion 11 jointly enclose a mounting groove 12, and when the screening assembly 2 rotates towards the rack 1, the screening assembly 2 can be matched and arranged in the mounting groove 12.

[0032] In the actual implementation process, the rack can be directly welded by square steel on the site during the construction of buildings and roads and the prefabrication of concrete, without the need for special customization and special manufacturing, and has the advantages of strong applicability, multiple applicable fields, and convenience for popularization and implementation.

[0033] In the implementation process of the embodiment, a containing piece 5 is further included, the mounting groove 12 includes a first mounting area and a second mounting area adjacent to the first mounting area, the screening assembly 2 can be matched and arranged in the first mounting area, and the containing piece 5 can be matched and arranged in the second mounting area.

[0034] In the implementation process of the embodiment, a plurality of fixing holes 6 are arranged on the containing piece 5 at intervals along the width direction of the containing piece 5, and a fixing nail can be matched to extend into the fixing hole 6, so that the containing piece 5 is fixed on the reference surface.

[0035] In the implementation process of the embodiment, an opening 50 is arranged on one end of the containing piece 5, and a hand holding portion 51 is arranged on the other end, and the hand holding portion 51 is used for being held by a user.

[0036] In the actual implementation process, as shown in Figure 1 In the actual implementation process, as shown in

[0037] In the actual implementation process, as shown in Figure 5As shown, after the screening operation is completed, the screening net can be removed from the outer frame, and the screening assembly is matched in the first mounting area, and the containing piece is matched in the second mounting area, which can effectively reduce the floor area and improve the user experience;

[0038] In actual implementation process, such as Figure 4 As shown, the outer frame is also provided with a support hole 7 on the side close to the rack, and one end of the support column can be matched into the support hole, and the other end can be abutted with the reference surface, so as to provide further support for the outer frame and improve the support stability.

[0039] In actual implementation process, in the construction, road construction and concrete prefabrication, the support column can be directly replaced by the steel bar on site without special manufacturing, which has the advantages of strong applicability, multiple applicable fields and easy popularization and implementation.

[0040] The application provides an adjustable mechanism sand screening equipment, which comprises a rack, a screening assembly rotatably arranged on the rack, wherein the screening assembly comprises an outer frame rotatably arranged in the middle part of the rack, a screening net arranged on the outer frame, and a connecting assembly arranged between the screening net and the outer frame.

[0041] The above is an embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable manufactured sand screening device, characterized in that, The device includes a frame (1) and a screening assembly (2) rotatably mounted on the frame (1). An angle adjustment assembly (3) is provided between the screening assembly (2) and the frame (1). The angle adjustment assembly (3) is used to adjust the tilt angle of the screening assembly (2) relative to the frame (1). The screening assembly (2) includes an outer frame (20) rotatably mounted on the frame (1), a screening screen (21) mounted on the outer frame (20), and a connecting assembly (22) between the screening screen (21) and the outer frame (20). The screening screen (21) is detachably mounted on the outer frame (20) via the connecting assembly (22).

2. The adjustable manufactured sand screening equipment according to claim 1, characterized in that, The angle adjustment component (3) includes a rotating hole (30) located in the middle of the frame (1) and a rotating shaft (31) located on the outer frame (20) at the position corresponding to the rotating hole (30). The rotating shaft (31) can be matched and extended into the rotating hole (30) so that the outer frame (20) can rotate relative to the frame (1).

3. The adjustable manufactured sand screening equipment according to claim 2, characterized in that, The angle adjustment assembly (3) also includes a limiting nut (32) disposed between the rotating shaft (31) and the frame (1). When the limiting nut (32) is matched and disposed on the rotating shaft (31), the limiting nut (32) can abut against the outside of the frame (1) to restrict the outer frame (20) from rotating relative to the frame (1).

4. The adjustable manufactured sand screening equipment according to claim 1, characterized in that, The connecting assembly (22) includes a plurality of locking post groups (4) disposed on the side of the outer frame (20) away from the frame (1). The plurality of locking post groups (4) are respectively disposed at the four corners of the outer frame (20), and the four corners of the screening screen (21) are respectively locked onto each of the locking post groups (4).

5. The adjustable manufactured sand screening equipment according to claim 4, characterized in that, The locking post assembly (4) includes an outer locking post (40) and an inner locking post (41), wherein the cross-sectional radius of the outer locking post (40) is greater than the cross-sectional radius of the inner locking post (41).

6. The adjustable manufactured sand screening equipment according to claim 1, characterized in that, The frame (1) includes a base frame (10) and a mounting part (11) provided on the base frame (10). The base frame (10) and the mounting part (11) together form a mounting groove (12). When the screening component (2) rotates toward the frame (1), the screening component (2) can be matched and placed in the mounting groove (12).

7. The adjustable manufactured sand screening equipment according to claim 6, characterized in that, It also includes a receiving element (5), the mounting groove (12) includes a first mounting area and a second mounting area adjacent to the first mounting area, the screening component (2) can be matched and disposed in the first mounting area, and the receiving element (5) can be matched and disposed in the second mounting area.

8. The adjustable manufactured sand screening equipment according to claim 7, characterized in that, The receiving member (5) is provided with a plurality of fixing holes (6) spaced apart along its width direction. The fixing pins can be matched and extended into the fixing holes (6) so that the receiving member (5) is fixed on the reference surface.

9. An adjustable manufactured sand screening device according to claim 7, characterized in that, The receiving member (5) has an opening (50) at one end and a handhold (51) at the other end, which is used for the user to hold.