Square swinging screen convenient to overhaul
By setting mounting brackets and pressing frames at both ends of the screen of the square gyratory screen, and utilizing the limiting structure of locking blocks and positioning grooves, the problem of inconvenient screen plate maintenance is solved, and the screen can be quickly disassembled and stably installed.
Patent Information
- Application Number
- CN202520469630.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-18
AI Technical Summary
When repairing or replacing the screen plate of an existing square gyratory screen, the screen plate needs to be kept parallel to the chute, resulting in low disassembly and assembly efficiency and inconvenience in maintenance.
Mounting brackets and pressing frames are installed at the top and bottom ends of the screen. The pressing frame and the mounting bracket form an angle, and the screen can be quickly assembled and disassembled by the limiting structure of the locking block and the positioning groove.
It improves the efficiency of screen replacement and maintenance, making the screen maintenance process faster, and achieving stable installation and convenient disassembly of the screen.
Smart Images

Figure CN223931933U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of square gyratory screens, specifically a square gyratory screen that is easy to maintain. Background Technology
[0002] Square gyratory screens play an important role in many industries. They can not only achieve fine screening and purification of materials, but also improve production efficiency and adaptability.
[0003] Patent document CN215695636U discloses a high-efficiency and easy-to-maintain square gyratory screen. The screen comprises a support frame, a screening box, and a vibrator. The support frame includes a base, a vertical support column, an annular groove structure, a rotating connecting rod, a bearing, and an "L"-shaped connecting rod connected sequentially from bottom to top. The bottom end of the rotating connecting rod is slidably connected to the annular groove structure via rollers. The screening box is located inside the support frame and connected to the "L"-shaped connecting rod. The screening box contains inclined grooves and a screen body. A sealing block is located on one side of the screen body, within a rectangular through-hole on one side wall of the screening box. A discharge port is located on the side wall of the screening box, which is on the same side as the lower side of the screen body. A feed inlet is located on the upper surface of the screening box. A vibrator is coaxially connected to the bottom of the screening box, and the vibrator has an electrical connector. This design offers high screening efficiency, ease of maintenance, and prevents dust emission. However, this patent has the following problems in practical use:
[0004] The square gyratory screen uses a chute to limit the screen plate. However, when the screen plate is repaired or replaced, it needs to be kept parallel to the chute, which reduces the efficiency of disassembling and assembling the screen plate and makes the repair of the screen plate on the square gyratory screen inconvenient.
[0005] Therefore, a square gyratory screen that is easy to maintain is proposed to solve the problems mentioned above. Utility Model Content
[0006] The purpose of this utility model is to provide a square gyratory screen that is easy to maintain, in order to solve the problem mentioned in the background art that the current square gyratory screen limits the screen plate by setting a sliding groove, but when the screen plate is maintained or replaced, it is necessary to keep the screen plate parallel to the sliding groove, which makes the disassembly and assembly of the screen plate inefficient and inconvenient to maintain the screen plate on the square gyratory screen.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a square gyratory screen that is easy to maintain, comprising a square gyratory screen body;
[0008] The square gyratory screen body has an inlet on one side of its top end and an outlet fixedly connected to one end of its body.
[0009] Also includes:
[0010] A mounting frame is fixedly connected to one side of the inner wall of the square oscillating screen body. A screen is attached to the upper end of the mounting frame. A pressing groove is provided on one side of the top of the screen, and a snap-fit groove is provided on one side of the pressing groove.
[0011] Among them, a rotating shaft is rotatably connected to the other side of the inner wall of the square gyratory screen body, a pressing frame is fixedly connected to one end of the rotating shaft, a snap-fit block is fixedly connected to one side of the bottom of the pressing frame, a protective strip is fixedly connected to the bottom of one end of the pressing frame, and a handle is provided at the top of one end of the pressing frame.
[0012] The protective strip has a sliding groove at one end, a locking spring is fixedly connected to one side of the middle of the sliding groove, a locking block is fixedly connected to one end of the locking spring, a positioning groove is attached to one side of the locking block, and a locking groove is provided on one side of the positioning groove.
[0013] Preferably, the mounting frame is symmetrically fixed to the inner wall of the square gyratory screen body. The mounting frame is L-shaped and is located on one side of the discharge port to facilitate positioning.
[0014] Preferably, the pressing groove and the snap-fit groove are symmetrically arranged on both sides of the screen, and the snap-fit groove is evenly arranged on one side of the top surface of the pressing groove to facilitate the positioning of the snap-fit groove.
[0015] Preferably, the rotating shafts are symmetrically arranged at both ends of the pressing frame, and the pressing frame is connected to the inner wall of the square gyratory screen body near the discharge port through the rotating shafts, which facilitates the positioning of the pressing frame.
[0016] Preferably, the snap-fit blocks are evenly and fixedly connected to both sides of the bottom surface of the pressing frame, and the snap-fit blocks are inserted into the snap-fit slots to facilitate the connection between the snap-fit blocks and the snap-fit slots.
[0017] Preferably, the protective strip is located at the end of the pressing frame away from the rotating shaft, and the protective strip overlaps with one side of the top surface of the mounting bracket to facilitate the positioning of the protective strip.
[0018] Preferably, the locking block is slidably connected to one side of the sliding groove, the positioning groove is symmetrically opened on the side of the square gyratory screen body near the mounting frame, and the locking groove is symmetrically opened on the side of the square gyratory screen body away from the mounting frame, which facilitates the positioning of the locking block.
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This square gyratory screen, which is easy to maintain, forms an angle between the pressing frame and the mounting frame by setting mounting brackets and pressing frames at the upper and lower ends of the screen, which facilitates quick assembly and disassembly of the screen. This makes the replacement and maintenance of the screen of the square gyratory screen more convenient and faster. Furthermore, by setting a locking block at one end of the pressing frame, the installation or unfolding position of the pressing frame is limited, which makes the assembly and disassembly of the screen even more convenient and faster. The specific details are as follows:
[0020] 1. This square gyratory screen has mounting frames and pressing frames at both ends of the screen. The pressing frames rotate inside the square gyratory screen to form an angle between the pressing frames and the mounting frames. This eliminates the need for the screen to be installed horizontally, making it easy to quickly install and remove the screen. This makes it more convenient and faster to replace and maintain the screen of the square gyratory screen.
[0021] 2. This square gyratory screen uses a locking block at one end of the pressing frame, which overlaps with the positioning groove and the locking groove to limit the position of the pressing frame during installation or unfolding, thus making the installation and disassembly of the screen more convenient and quick. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the front cross-section structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the installation structure of the pressing frame of this utility model;
[0024] Figure 3 This is a schematic diagram of the unfolded structure of the press frame of this utility model;
[0025] Figure 4 This utility model Figure 1 Enlarged structural diagram at point A in the middle;
[0026] Figure 5 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point B.
[0027] In the diagram: 1. Square gyratory screen body; 2. Inlet; 3. Outlet; 4. Mounting frame; 5. Screen; 6. Pressing groove; 7. Snap-fit groove; 8. Pressing frame; 9. Rotating shaft; 10. Snap-fit block; 11. Protective strip; 12. Handle; 13. Locking block; 14. Sliding groove; 15. Locking spring; 16. Positioning groove; 17. Locking groove. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Please see Figures 1-5 This utility model provides a technical solution: a square gyratory screen that is easy to maintain, including a square gyratory screen body 1; a feed inlet 2 is provided on one side of the top of the square gyratory screen body 1, and a discharge outlet 3 is fixedly connected to one end of the square gyratory screen body 1; it also includes: a mounting frame 4 is fixedly connected to one side of the inner wall of the square gyratory screen body 1, a screen 5 is attached to the upper end of the mounting frame 4, a pressing groove 6 is provided on one side of the top of the screen 5, and a snap-fit groove 7 is provided on one side of the pressing groove 6; the mounting frame 4 is symmetrically fixedly connected to the inner wall of the square gyratory screen body 1, the mounting frame 4 is L-shaped, and the mounting frame 4 is located on one side of the discharge outlet 3; the pressing groove 6 and the snap-fit groove 7 are symmetrically opened on both sides of the screen 5, and the snap-fit groove 7 is evenly opened on one side of the top surface of the pressing groove 6. By setting the L-shaped mounting frame 4, it is convenient to support the position of the screen 5, thereby facilitating the positioning of the screen 5, and by setting the pressing groove 6 and the snap-fit groove 7, it is convenient to strengthen the connection between the screen 5 and the pressing frame 8, making the installation of the screen 5 more stable.
[0030] The square gyratory screen body 1 has a rotating shaft 9 rotatably connected to the other side of its inner wall. One end of the rotating shaft 9 is fixedly connected to a pressing frame 8. A snap-fit block 10 is fixedly connected to one side of the bottom of the pressing frame 8. A protective strip 11 is fixedly connected to the bottom of one end of the pressing frame 8. A handle 12 is provided at the top of one end of the pressing frame 8. The rotating shaft 9 is symmetrically arranged at both ends of the pressing frame 8. The pressing frame 8 is connected to the side of the inner wall of the square gyratory screen body 1 near the discharge port 3 via the rotating shaft 9. The snap-fit blocks 10 are evenly fixedly connected to both sides of the bottom surface of the pressing frame 8. The snap-fit blocks 10 are inserted into the snap-fit grooves 7. The protective strip 11 is located at the end of the pressing frame 8 away from the rotating shaft 9. The protective strip 11 overlaps with one side of the top surface of the mounting frame 4. By setting the protective strip 11, the end of the screen 5 is easily protected. The snap-fit blocks 10 and snap-fit grooves 7, as well as the snap-fit blocks 8 and pressing grooves 6, enhance the stability of the screen 5 installation.
[0031] The protective strip 11 has a sliding groove 14 at one end, a locking spring 15 is fixedly connected to one side of the middle of the sliding groove 14, a locking block 13 is fixedly connected to one end of the locking spring 15, a positioning groove 16 overlaps one side of the locking block 13, and a locking groove 17 is provided on one side of the positioning groove 16. The locking block 13 is slidably connected to one side of the sliding groove 14. The positioning groove 16 is symmetrically opened on the side of the square gyratory screen body 1 close to the mounting frame 4, and the locking groove 17 is symmetrically opened on the side of the square gyratory screen body 1 away from the mounting frame 4. By setting the locking block 13, the positioning groove 16 and the locking groove 17, it is easy to lock the position of the rotating pressing frame 8, thereby forming a gap between the pressing frame 8 and the mounting frame 4, which facilitates the quick disassembly and assembly of the screen 5, making the maintenance and replacement of the screen 5 more convenient and quick, and also facilitating the stable installation of the screen 5.
[0032] Working principle: When inspecting the screen 5 inside the square gyratory screen body 1, firstly, by pulling the handle 12, the handle 12 drives the protective strip 11 and the pressing frame 8 to rotate at the rotating shaft 9, thereby separating the pressing frame 8 from the pressing grooves 6 on both sides of the screen 5, and separating the locking block 10 from the locking groove 7.
[0033] Secondly, at the same time, the locking block 13 separates from the positioning groove 16, and the locking block 13 pushes the locking spring 15 to contract inside the sliding groove 14, and then the locking block 13 engages with the locking groove 17, so that the screen 5 can be replaced from the mounting frame 4.
[0034] Finally, the material is placed in the square gyratory screen body 1 through the feed port 2, and the material is screened out from the discharge port 3.
[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A square gyratory screen that is easy to maintain, comprising a square gyratory screen body (1); The square gyratory screen body (1) has an inlet (2) on one side of its top end, and an outlet (3) is fixedly connected to one end of the square gyratory screen body (1). Its features are, Also includes: A mounting bracket (4) is fixedly connected to one side of the inner wall of the square swing screen body (1). A screen (5) is attached to the upper end of the mounting bracket (4). A pressing groove (6) is provided on one side of the top of the screen (5). A snap-fit groove (7) is provided on one side of the pressing groove (6). Among them, a rotating shaft (9) is rotatably connected to the other side of the inner wall of the square gyratory screen body (1). A pressing frame (8) is fixedly connected to one end of the rotating shaft (9). A snap-fit block (10) is fixedly connected to one side of the bottom of the pressing frame (8). A protective strip (11) is fixedly connected to the bottom of one end of the pressing frame (8). A handle (12) is opened at the top of one end of the pressing frame (8). The protective strip (11) has a sliding groove (14) at one end, a locking spring (15) is fixedly connected to one side of the middle of the sliding groove (14), a locking block (13) is fixedly connected to one end of the locking spring (15), a positioning groove (16) is attached to one side of the locking block (13), and a locking groove (17) is provided on one side of the positioning groove (16).
2. The square gyratory screen for easy maintenance according to claim 1, characterized in that: The mounting frame (4) is symmetrically fixed to the inner wall of the square gyratory screen body (1). The mounting frame (4) is L-shaped and is located on one side of the discharge port (3).
3. A square gyratory screen for easy maintenance according to claim 1, characterized in that: The pressing groove (6) and the snap-fit groove (7) are symmetrically arranged on both sides of the screen (5), and the snap-fit groove (7) is evenly arranged on one side of the top surface of the pressing groove (6).
4. A square gyratory screen for easy maintenance according to claim 1, characterized in that: The rotating shaft (9) is symmetrically arranged at both ends of the pressing frame (8). The pressing frame (8) is connected to the inner wall of the square gyratory screen body (1) near the discharge port (3) through the rotating shaft (9).
5. A square gyratory screen for easy maintenance according to claim 1, characterized in that: The snap-fit blocks (10) are evenly and fixedly connected to both sides of the bottom surface of the pressing frame (8), and the snap-fit blocks (10) are inserted into the snap-fit grooves (7).
6. A square gyratory screen for easy maintenance according to claim 1, characterized in that: The protective strip (11) is located at one end of the pressing frame (8) away from the rotating shaft (9), and the protective strip (11) overlaps with one side of the top surface of the mounting bracket (4).
7. A square gyratory screen for easy maintenance according to claim 1, characterized in that: The locking block (13) is slidably connected to one side of the sliding groove (14), the positioning groove (16) is symmetrically opened on the side of the square gyratory screen body (1) close to the mounting frame (4), and the locking groove (17) is symmetrically opened on the side of the square gyratory screen body (1) away from the mounting frame (4).
Citation Information
Patent Citations
Efficient square rocking sieve easy to overhaul
CN215695636U