A crusher screen assembly
By designing a pull-out screen assembly, using screws, auxiliary screws, and bullseye bearings, the problem of difficult screen disassembly and assembly in crushers was solved, enabling convenient replacement and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ENERPAT JIANGSU ENVIRONMENTAL PROTECTION IND CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-05
AI Technical Summary
The existing crusher screen assembly is difficult to disassemble and assemble, and inconvenient to maintain.
Design a pull-out screen assembly that is fixed to the crusher housing with screws and auxiliary screws. Combined with bullseye bearings, it improves the smoothness of disassembly and assembly. The two sides of the screen are fastened to the upper part of the longitudinal side of the bottom of the housing. Notches and cover plates are provided to facilitate entry and exit.
It enables convenient disassembly, assembly, and maintenance of the screen, facilitates replacement, avoids jamming, and improves operational efficiency.
Smart Images

Figure CN224321564U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to crushers, specifically to a crusher screen assembly. Background Technology
[0002] The screen components of the crusher are directly fixed to the bottom of the crushing box with bolts. When disassembling and assembling, auxiliary tools are needed to align the fixing holes and hold the screen components, making disassembly and assembly difficult, and replacement and maintenance inconvenient. Utility Model Content
[0003] In view of the above problems, this utility model proposes a crusher screen assembly that is easy to disassemble and install, and convenient to replace and maintain.
[0004] The technical solution of this utility model:
[0005] A screen assembly for a crusher is installed at the outlet of the crusher. The bottom opening of the crusher housing is the outlet, and there are longitudinal side edges. The screen assembly includes a screen, which is placed inside the outlet of the crusher and covers the cutter shaft of the crusher. Its two side edges are fastened to the upper part of the longitudinal side edges at the bottom of the crusher housing and fixed by several screws. A notch for the screen to enter and exit is provided on the lower part of the transverse side of the crusher housing. The notch matches the screen and is sealed by a screen cover plate.
[0006] For disassembly, first remove the screen cover plate, then remove the screws to allow the screen to fall. Place the screen's two edges on the longitudinal sides of the bottom of the crusher's housing, then pull out the screen. This completes the screen disassembly. For installation, insert the screen into place, then lift it up, install the screws to secure it, and then reinstall the screen. During the process, use a screen support to move the screen around.
[0007] Further refining the above technical solution, the screen assembly also includes several bullseye bearings, each distributed and installed at the bottom of both sides of the screen edge, suspended in the air. The design of the bullseye bearings makes it easier to pull out or insert the screen.
[0008] The above technical solution is further refined as follows: each screw is installed on both longitudinal sides of the crusher housing and connected to the sides of the screen; several auxiliary screws are installed on the longitudinal sides of the bottom of the crusher housing and supported on the sides of the screen. During disassembly, the auxiliary screws are loosened, allowing the sides of the screen to slowly fall to the longitudinal sides of the bottom of the crusher housing to avoid damage; during installation, the auxiliary screws are tightened to lift the screen.
[0009] To further refine the above technical solution, a handle is installed on the screen.
[0010] The advantages of this utility model are that it has a reasonable design and simple structure. It adopts a pull-out design, and the two sides of the screen are fastened to the upper part of the longitudinal side of the bottom of the crusher box, leaving enough space to make the screen move in and out smoothly and not easily get stuck. It is easy to disassemble and assemble, and easy to replace and maintain. Attached Figure Description
[0011] Figure 1 This is a schematic diagram (3D) of the crusher structure.
[0012] Figure 2 This is a schematic diagram of the crusher structure (top view).
[0013] Figure 3 yes Figure 2 Schematic diagram of cross section in the AA direction.
[0014] The figure shows the crusher housing 1, screen assembly 3, screen 3-1, bullseye bearing 3-2, crusher cutter shaft 4, screw 5, and auxiliary screw 6. Detailed Implementation
[0015] like Figure 1-3 As shown, a crusher;
[0016] The bottom opening of the crusher housing 1 is the outlet of the crusher, with longitudinal side edges. The screen assembly 3 includes a screen 3-1 and several bullseye bearings 3-2. The screen 3-1 is placed inside the outlet 2 of the crusher, covering the cutter shaft 4 of the crusher. Its two side edges are fastened to the upper part of the longitudinal side edges at the bottom of the crusher housing 1 and fixed by several screws 5 and several auxiliary screws 6. Each bullseye bearing 3-2 is distributed and installed at the bottom of the two side edges of the screen 3-1, suspended in the air. The lower part of the transverse sides of the crusher housing 1 is provided with notches for the screen 3-1 to enter and exit. The notches match the screen 3-1 and are sealed by screen cover plates. A handle is installed on the screen 3-1.
[0017] Each screw 5 is installed on both longitudinal sides of the crusher housing 1 and connected to the sides of the screen 3-1; each auxiliary screw 6 is installed on the sides of the bottom longitudinal side of the crusher housing 1 and supported on the bottom of the sides of the screen 3-1.
[0018] The above embodiments are only for illustrating the technical concept and features of the utility model, and are intended to enable those skilled in the art to understand the content of the utility model and implement it accordingly. They should not be construed as limiting the scope of protection of the utility model. All equivalent changes or modifications made in accordance with the spirit and essence of the utility model should be covered within the scope of protection of the utility model.
Claims
1. A crusher screen assembly, installed at the outlet of the crusher; characterized in that, The crusher housing has an opening at the bottom, which is the outlet of the crusher, and two longitudinal sides. The screen assembly includes a screen, which is placed inside the outlet of the crusher and covers the cutter shaft of the crusher. Its two sides are fastened to the upper part of the longitudinal sides at the bottom of the crusher housing and fixed by several screws. The lower part of the horizontal sides of the crusher housing has notches for the screen to enter and exit. The notches match the screen and are sealed by screen cover plates.
2. A crusher screen assembly according to claim 1, characterized in that, The screen assembly also includes several bullseye bearings, which are distributed and installed at the bottom of the two sides of the screen and suspended in the air.
3. A crusher screen assembly according to claim 1, characterized in that, Each screw is installed on both longitudinal sides of the crusher housing and connected to the sides of the screen. Several auxiliary screws are installed on the longitudinal sides of the bottom of the crusher housing and supported on both sides of the screen.
4. A crusher screen assembly according to claim 1, characterized in that, Handles are installed on the screen.