Screen mesh replacement structure of polyurethane metal screen plate
By using hinged joints and clamps, as well as snap-fit and wedge-shaped blocks, the replacement process of polyurethane metal screen plates is simplified, solving the problems of complex replacement methods and easy damage to screen plates in traditional methods, and achieving convenient and efficient screen replacement and structural stability.
Patent Information
- Application Number
- CN202422614726.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The replacement of traditional polyurethane metal screens is complicated, time-consuming, and can easily damage other components of the screen, affecting structural stability.
The screen is designed with hinged joints and clamps, combined with buckles and wedge blocks. The buckles and wedge blocks work together to make the screen easy to install and remove. The positioning columns and splicing blocks ensure the screen is in the correct position.
It simplifies the screen replacement process, reduces time and labor costs, and improves the stability of screening results and the reliability of the structure.
Smart Images

Figure CN223571314U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polyurethane metal sieve plate screen replacement tool technical field especially polyurethane metal sieve plate's screen replacement structure. BACKGROUND
[0002] In modern industrial production, screening and grading of materials is one of the important links; polyurethane metal sieve plate as a new type of screening equipment, its structural advantages are: long service life, large carrying capacity; high screening efficiency; wide application range, stronger professional applicability, suitable for any type of vibrating screen machine and can be made by machine; high screening precision; the production process of polyurethane sieve plate adopts mold casting forming process, the aperture is accurate, the screening quality is high, and the particle size of the screened material can well meet the requirements of the user.
[0003] The traditional screen replacement mode is usually complex and time-consuming; generally, a large number of tools are needed for disassembly and installation, which is not only cumbersome to operate, but also easy to damage other parts of the sieve plate. For example, the screen fixed by welding or bolts needs to be cut or disassembled during replacement, which not only increases the workload, but also may affect the overall structural stability of the sieve plate; therefore, the above problems need to be improved. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in the prior art and provides a screen replacement structure of polyurethane metal sieve plate.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the screen replacement structure of polyurethane metal sieve plate, including two interval setting vertical boards, the upper and lower ends of the two vertical boards are both installed with hinge opening and closing clamping plates, the clamping plates are composed of a fixed plate between the rear ends of the two vertical boards and a pressing plate hinged to the front end face of the fixed plate, a plurality of hinge hinges are installed between the fixed plate and the pressing plate, buckle assemblies are installed between the two ends of the pressing plate and the fixed plate, a rectangular groove is vertically opened on the opposite surface of the two vertical boards, a metal screen is arranged between the rectangular grooves, and the upper and lower ends of the metal screen are pressed and fixed between the pressing plate and the fixed plate.
[0006] Preferably, the vertical plate is a U-shaped plate structure with opposite notches, and one end of the middle of one vertical plate and the upper and lower ends of the other vertical plate are both fixed with splicing blocks.
[0007] Preferably, a rectangular fixing groove is opened on the outer end face of the splicing block.
[0008] Preferably, deflection grooves are opened at both ends of the pressing plate, and clamping grooves are opened at both ends of the fixed plate.
[0009] Preferably, the buckle assembly comprises a connecting shaft fixed inside the deflection groove and a buckle movably sleeved on the connecting shaft, one end of the buckle is fixed with a cylinder, the cylinder is sleeved on the connecting shaft, a reset coil spring is sleeved on the shaft body inside the cylinder, one end of the reset coil spring is fixedly connected with the connecting shaft and the other end is fixedly connected with the inner wall of the cylinder; a wedge block matched with the connecting end of the buckle is fixed inside the clamping groove.
[0010] Preferably, the end of the wedge block is a protruding triangular block, the end of the buckle is provided with a protruding block corresponding to the end of the wedge block, the edge of the protruding end of the protruding block is circular, and the front end face of the fixed plate is fixedly connected with positioning stand columns for positioning the metal screen at two ends.
[0011] Compared with the prior art, the utility model has the advantages that: in the utility model, the hinge and the clamping plate are matched, the clamping plate is convenient to open and close, the operation is more convenient when the screen is replaced, the time and labor cost required for replacing the screen are greatly reduced, the buckle and the wedge block are matched, the clamping plate is convenient to fix and open, the clamping plate can be separated by pulling the buckle outward, complex tools and operation steps are not needed, the clamping plate and the positioning stand column are matched, the metal screen is conveniently positioned quickly and accurately, the position of the screen is accurate during installation, the screen does not deviate or dislocate, and therefore the stability of the screening effect is ensured, the vertical plate and the splicing block are matched, and the utility model is convenient to use and expand, and the stability and reliability of the structure are further enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0012] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.
[0013] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is a second angle three-dimensional structure schematic view of the utility model;
[0015] Figure 3 It is a three-dimensional sectional structure schematic view of the utility model;
[0016] Figure 4 It is a Figure 3 It is a local enlarged structure schematic view of A part in the utility model;
[0017] Figure 5 It is a buckle and wedge block clamping state structure schematic view of the utility model.
[0018] The figure serial number: 1, clamping plate; 2, vertical plate; 3, splice block; 4, buckle; 5, hinged hinge; 6, metal screen; 7, connecting shaft; 8, reset coil spring; 9, wedge block; 10, positioning column. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Embodiment: see Figures 1-5 The screen replacement structure of the polyurethane metal screen plate in the utility model, including two interval setting vertical plate 2, through vertical plate 2, it is convenient to connect both ends clamping plate 1 and with clamping plate 1 common clamping metal screen 6;The upper and lower ends of the two vertical plate 2 are all installed with the clamping plate 1 that is hinged open and closed, through clamping plate 1, it is convenient to clamp metal screen 6;Clamping plate 1 is fixedly connected between the rear end of two vertical plate 2 and the compression plate hinged in the front end surface of fixed plate, a plurality of hinged hinges 5 are installed between fixed plate and compression plate, through hinged hinge 5, it is convenient to open and close two clamping plates 1;Compression plate and the both ends of fixed plate are all installed with buckle assembly, the opposite surface of two vertical plate 2 is all vertically provided with rectangular slot, metal screen 6 is arranged between rectangular slot, and the upper and lower ends of metal screen 6 are inserted into compression plate and fixedly connected between fixed plate;Vertical plate 2 is the U-shaped plate structure with the slot opposite, and the middle of one end of one vertical plate 2 and the upper and lower ends of the other vertical plate 2 are all fixedly connected with splice block 3;Through splice block 3, it is convenient to splice between vertical plate 2 and vertical plate 2;The outer end surface of splice block 3 is provided with rectangular fixed slot;The both ends of compression plate are all provided with deflection slot, and the both ends of fixed plate are all provided with clamping groove;Buckle assembly includes connecting shaft 7 fixedly connected in deflection slot and buckle 4 movably sleeved on connecting shaft 7, one end of buckle 4 is fixed with cylinder, the cylinder is sleeved on connecting shaft 7, and reset coil spring 8 is sleeved on the shaft body in the cylinder, through reset coil spring 8, it is convenient to reset buckle 4, one end of reset coil spring 8 is fixedly connected with connecting shaft 7, the other end is fixedly connected with the inner wall of cylinder;The inside of clamping groove is fixedly connected with wedge block 9 matched with the connecting end of buckle 4;The end of wedge block 9 is convex triangular block, through wedge block 9, it is convenient to fix clamping plate 1 with matched buckle 4;The end of buckle 4 is provided with convex block corresponding with the end of wedge block 9, and the edge of convex end of convex block is circular;The both ends of the front end surface of fixed plate are all fixedly connected with positioning column 10 for positioning metal screen 6;Through positioning column 10, it is convenient to quickly position metal screen 6.
[0021] Working principle: when the screen is needed to be replaced, first operate the buckle 4, because the buckle 4 is connected with the upper clamping plate 1 through the connecting shaft 7, and the connecting shaft 7 is sleeved with the reset coil spring 8, the both ends of the reset coil spring 8 and the spring itself are clamped in the inner surface of the round shaft of the buckle 4, at this time, the buckle 4 is pulled outward, the elastic force of the reset coil spring 8 is overcome, and the end of the buckle 4 is separated from the wedge block 9 in the rectangular groove of the lower clamping plate 1; then, because the two clamping plates 1 are connected through the buckle 4, after the buckle 4 is separated from the wedge block 9, the clamping plate 1 can be opened around the rotating shaft of the buckle 4; at this time, the metal screen 6 originally clamped by the clamping plate 1 and the vertical plate 2 is no longer subjected to the clamping force, and can be taken out from between the clamping plate 1 and the vertical plate 2 for replacement; when the new metal screen 6 is installed, the screen is placed on the lower clamping plate 1, the positioning column 10 at the four corners of the lower clamping plate 1 is clamped in the gap formed by the metal screen 6, and the metal screen 6 is quickly positioned; then, the upper clamping plate 1 is closed, in the process, when the end of the buckle 4 contacts the wedge block 9, because the end of the wedge block 9 is a protruding triangular block, and the protruding block at the end of the buckle 4 is provided with a circular chamfer, with the closing of the clamping plate 1, the buckle 4 is gradually squeezed open, and when the end of the buckle 4 passes the wedge block 9, under the action of the reset coil spring 8, the buckle 4 is reset, the end of the buckle 4 cooperates with the wedge block 9 to fix the clamping plate 1, so that the metal screen 6 is clamped between the clamping plate 1 and the vertical plate 2; for the plurality of screen replacement structures, the splicing blocks 3 outside the vertical plate 2 can be spliced; the triangular splicing block 3 outside one of the vertical plates 2 can be clamped in the middle of the two splicing blocks 3 outside the other vertical plate 2, so that the plurality of screen replacement structures are combined and used.
[0022] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A screen replacement structure of a polyurethane metal sieve plate, comprising two vertically arranged spacers (2), characterized in that: The upper and lower ends of the two vertical plates (2) are provided with hinge opening and closing clamping plates (1), the clamping plate (1) is fixed between the fixed plates at the rear ends of the two vertical plates (2) and the pressing plates hinged to the front end face of the fixed plate, a plurality of hinge hinges (5) are installed between the fixed plate and the pressing plate, buckle assemblies are installed between the two ends of the pressing plate and the fixed plate, the opposite surfaces of the two vertical plates (2) are vertically provided with rectangular grooves, the metal screen (6) is arranged between the rectangular grooves, and the upper and lower ends of the metal screen (6) are inserted into the pressing plate and the fixed plate.
2. The polyurethane metal sieve plate screen replacement structure according to claim 1, characterized by: The vertical plate (2) is a U-shaped plate structure with notched opposite surfaces, one end of one vertical plate (2) and the upper and lower ends of the other vertical plate (2) are fixed with splicing blocks (3).
3. The polyurethane metal sieve plate screen replacement structure according to claim 2, characterized by: The outer end face of the splicing block (3) is provided with a rectangular fixing groove.
4. The polyurethane metal sieve plate screen replacement structure according to claim 1, characterized by: The two ends of the pressing plate are provided with deflection grooves, and the two ends of the fixed plate are provided with clamping grooves.
5. The polyurethane metal sieve plate screen replacement structure according to claim 4, characterized by: The buckle assembly comprises a connecting shaft (7) fixed in the deflection groove and a buckle (4) movably sleeved on the connecting shaft (7), one end of the buckle (4) is fixed with a cylinder, the cylinder is sleeved on the connecting shaft (7), the shaft body in the cylinder is sleeved with a reset coil spring (8), one end of the reset coil spring (8) is fixedly connected with the connecting shaft (7), and the other end is fixedly connected with the inner wall of the cylinder; the clamping groove is fixedly connected with a wedge block (9) matched with the connecting end of the buckle (4).
6. The polyurethane metal sieve plate screen replacement structure according to claim 5, characterized by: The end of the wedge block (9) is a protruding triangular block, the end of the buckle (4) is provided with a protruding block corresponding to the end of the wedge block (9), and the edge of the protruding end of the protruding block is circular; the front end face of the fixed plate is fixed with a positioning column (10) for positioning the metal screen (6).