Grinding wheel mesh cloth composite forming device

Abstract

The utility model relates to abrasive wheel mesh cloth manufacturing technical field, especially abrasive wheel mesh cloth composite forming device, including the frame of dipping gum, the frame of dipping gum bottom middle position is provided with the drain pipe. The device sets dipping gum, composite, extrusion shaping in an organic whole, first through the setting limit pressure roller in the frame of dipping gum, makes the stable travel of bottom layer base material in the glue solution, realizes two -sided full, even impregnation, and the upper material is introduced through independent passage, is accurate with the frame of dipping gum precision lamination at limit pressure roller export, finally by the elastic pressure mechanism of guide rod, movable frame, spring and upper extrusion roller constitution, can be according to the gap between the upper and lower extrusion roller of different thickness composite mesh cloth automatic regulation, while guaranteeing effectively extruding the redundant glue solution, avoid damaging the fibre structure because of the excessive pressure, realize flexible pressure bonding, precision control glue, solved the technical defects that traditional equipment only has single dipping gum function, cannot realize continuous composite, significantly promoted the production integration and automation level.

Description

Technical Field

[0001] This utility model relates to the field of abrasive wheel mesh manufacturing technology, and in particular to an abrasive wheel mesh composite molding device. Background Technology

[0002] The grinding wheel mesh is the skeleton in a resin-bonded grinding wheel. It plays a vital role in improving tensile strength, enhancing mechanical stability under high-speed rotation, and preventing grinding wheel breakage. Its quality directly affects the safety, service life, and processing accuracy of the grinding wheel. Therefore, strict requirements are placed on the uniformity of resin impregnation, composite strength, and overall structural consistency of the mesh during the manufacturing process. To improve the mechanical properties of the grinding wheel mesh, multiple layers of fiber fabric are usually impregnated with thermosetting resin and then composite molded to form a reinforced substrate with high modulus, high temperature resistance, and good adhesion.

[0003] Patent CN209810542U discloses an impregnation device for producing glass fiber abrasive wheel mesh. This device includes an impregnation tank, an extrusion assembly, and a sliding adjustment component. The extrusion assembly consists of two rows of staggered extrusion rollers that repeatedly crush the fiber yarn during its travel, eliminating micro-air bubbles in the adhesive and improving impregnation density. The sliding assembly, driven by a cylinder, raises and lowers a transverse plate, dynamically adjusting the adhesive level in the impregnation tank to ensure complete impregnation even with low adhesive levels. Furthermore, the device features a sealing structure with a C-shaped groove and a limiting block, effectively preventing adhesive leakage and improving material utilization and environmental friendliness. While this device achieves some progress in impregnation uniformity and bubble control, it still has some shortcomings in practical applications. It only performs the impregnation of the mesh and lacks the ability to simultaneously introduce, stack, and press multiple layers of materials, failing to meet the functional requirements of modern abrasive wheel mesh for multi-layer heterogeneous composites.

[0004] Therefore, there is an urgent need to provide a grinding wheel mesh composite molding device that can realize integrated continuous operation from impregnation to composite molding. Utility Model Content

[0005] In order to overcome the shortcomings of existing patented grinding wheel mesh production equipment, which has only the function of impregnation and lacks the ability to composite molding, resulting in the inability to achieve synchronous bonding of multiple materials and meet the requirements of continuous and high-quality production, this utility model provides a grinding wheel mesh composite molding device that can realize integrated continuous operation from impregnation to composite molding.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a composite molding device for abrasive mesh fabric, comprising an impregnation frame, a drain pipe located at the bottom center of the impregnation frame, a valve installed on the drain pipe, a limiting pressure roller rotatably mounted on the left side inside the impregnation frame, guide rollers mounted on the top left and slightly to the right of the center of the impregnation frame, each guide roller having both ends fixed to the impregnation frame via bearing support seats, symmetrically distributed guide frames fixed to the right side of the impregnation frame, a lower extrusion roller rotatably mounted on the guide frames, a guide rod fixed to the guide frames, a sliding frame slidably mounted on the guide rod, an upper extrusion roller rotatably mounted on the sliding frame, the upper extrusion roller and the lower extrusion roller being vertically opposite each other to form a roller gap channel for passing through and extruding the mesh fabric, a spring sleeved on the guide rod, the two ends of the spring being fixedly connected to the sliding frame and the guide frame respectively.

[0007] As a preferred embodiment of this utility model, symmetrically distributed support plates are fixed to the right side of the inside of the impregnation frame, and the support plates together support the filter frame. The filter frame is located directly below the lower extrusion roller. A rectangular opening matching the shape of the filter frame is opened on the right side wall of the impregnation frame, and a pull plate is provided on the right side of the filter frame.

[0008] As a preferred embodiment of this utility model, the pull plate is covered with an anti-slip sleeve.

[0009] As a preferred technical solution of this utility model, a support plate is fixedly connected to the top of the bearing support seat on the left side, and a ball screw is rotatably arranged on the support plate. The ball screw consists of a screw rod, balls and a nut, and a positioning plate is provided on the nut of the ball screw.

[0010] As a preferred technical solution of this utility model, the lower end of the positioning plate is designed as an arc-shaped surface that matches the outer circle contour of the guide roller, and maintains a contact sliding fit with the surface of the left guide roller.

[0011] As a preferred embodiment of this utility model, the bottom of the dipped frame is provided with symmetrically distributed anti-slip support pads.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. The device integrates impregnation, lamination, and extrusion shaping. First, by setting a limiting pressure roller in the impregnation frame, the bottom substrate is stably passed through the glue, achieving full and uniform impregnation on both sides. The upper material is introduced through an independent channel and precisely adheres to the impregnated substrate at the outlet of the limiting pressure roller. Finally, the elastic pressure mechanism composed of guide rod, moving frame, spring and upper extrusion roller can automatically adjust the gap between the upper and lower extrusion rollers according to the composite mesh of different thicknesses. While ensuring the effective removal of excess glue, it avoids damage to the fiber structure due to excessive pressure, achieving flexible pressing and precise glue control. It solves the technical defects of traditional equipment that only has a single impregnation function and cannot achieve continuous lamination, and significantly improves the production integration and automation level.

[0013] 2. A detachable filter frame is installed on the right side of the dipping frame to filter the adhesive liquid extruded during the extrusion process, thereby effectively intercepting impurities such as fiber debris and gel particles, maintaining the cleanliness of the adhesive liquid, extending the service life of the adhesive liquid, and reducing the frequency of replacement and waste liquid discharge.

[0014] 3. By setting up a positioning plate structure driven by a ball screw, the lateral limit adjustment of the mesh substrate can be precisely adjusted, thereby preventing lateral deviation due to uneven tension, eccentric guide rollers or material deviation during continuous conveying, and ensuring conveying stability at high speed. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the glue-impregnated frame, drain pipe, valve, and other components of this utility model.

[0017] Figure 3 This is a cross-sectional view of, for example, the guide frame, lower extrusion roller, and upper extrusion roller of this utility model.

[0018] Figure 4 This is a cross-sectional view of components such as the tray, filter frame, and pull plate of this utility model.

[0019] Figure 5 This is a three-dimensional sectional view of the support plate, ball screw, and positioning plate of this utility model.

[0020] Among them: 1-impregnated frame, 2-drain pipe, 3-valve, 4-limiting pressure roller, 5-bearing support seat, 6-guide roller, 7-guide frame, 8-lower extrusion roller, 9-guide rod, 901-moving frame, 10-upper extrusion roller, 11-spring, 12-support plate, 13-filter frame, 14-pull plate, 15-anti-slip sleeve, 16-support plate, 17-ball screw, 18-positioning plate, 19-anti-slip support pad. Detailed Implementation

[0021] 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.

[0022] Example 1: Please refer to Figures 1-3 A composite molding device for abrasive mesh includes an impregnation frame 1. A drain pipe 2 is located at the bottom center of the impregnation frame 1, and a valve 3 is installed on the drain pipe 2. Two limiting pressure rollers 4 are rotatably installed on the left side inside the impregnation frame 1. The limiting pressure rollers 4 guide and press the substrate to ensure stable passage through the adhesive area during impregnation and achieve uniform impregnation on both sides. Guide rollers 6 are installed on the top left and slightly right of the center of the impregnation frame 1. Each guide roller 6 is fixed to the impregnation frame 1 at both ends by bearing support seats 5. The guide rollers 6 precisely guide the running path of the mesh, ensuring uniform tension and stable trajectory during conveying. A guide frame 7 symmetrically distributed front and rear are fixed to the right side of the impregnation frame 1. A lower extrusion roller 8 is rotatably installed on both guide frames 7. Vertically arranged guide rods are fixed to the guide frames 7. 9. A movable frame 901 is slidably mounted on the guide rod 9. An upper extrusion roller 10 is rotatably mounted on two movable frames 901. The upper extrusion roller 10 and the lower extrusion roller 8 are arranged opposite each other in the vertical direction to form a roller gap channel for passing through and extruding the mesh fabric. A spring 11 is sleeved on the guide rod 9. The upper and lower ends of the spring 11 are fixedly connected to the movable frame 901 and the guide frame 7, respectively, to provide a downward preload force so that the upper extrusion roller 10 always has a downward pressing tendency without external force. This allows the gap between the upper and lower extrusion rollers 8 to be automatically adjusted according to the thickness of the composite material, achieving adaptive pressing. The bottom of the impregnation frame 1 is provided with symmetrically distributed anti-slip support pads 19 to increase the friction between the device and the installation foundation, prevent equipment displacement caused by changes in material traction tension or vibration, and ensure stable and reliable operation of the whole machine.

[0023] When using this device for composite molding of abrasive wheel mesh, firstly, an appropriate amount of prepared adhesive is injected into the impregnation frame 1, ensuring the liquid level is sufficient to fully submerge the substrate. Next, the bottom layer of abrasive wheel mesh substrate is introduced from the left side of the device. After being pulled by the left guide roller 6, it passes through the gap between the two limiting pressure rollers 4 and the bottom surface of the impregnation frame 1, achieving double-sided impregnation. The upper covering material is directly introduced through the gap between the two limiting pressure rollers 4. At this point, the impregnated bottom substrate and the upper dry material are initially bonded at the exit of the limiting pressure roller 4, forming a laminated structure. The composite mesh is then guided by the guide roller 6, which is slightly to the right of center, and enters... In the extrusion molding area, the composite mesh enters between the upper and lower extrusion rollers 8. Under the pre-pressure of the spring 11, the upper extrusion roller 10 automatically moves down along the guide rod 9 to adapt to the material thickness until it forms a stable pressure zone with the lower extrusion roller 8, ensuring that the appropriate pressing force is maintained. During the extrusion process, excess adhesive is squeezed out and flows back into the impregnation frame 1 to control the adhesive film thickness and prevent sagging or accumulation. At the same time, the two layers of material are tightly compacted to improve the interfacial bonding strength and complete the composite molding. The molded composite mesh is pulled to the winding device through the output end on the right side for drying or curing treatment, finally obtaining a composite reinforcing material for grinding wheels with stable performance.

[0024] Example 2: Based on Example 1, please refer to... Figure 4 The right side of the impregnation frame 1 is fixed with symmetrically distributed support plates 12, which together support the filter frame 13. The filter frame 13 is located directly below the lower extrusion roller 8 and is used to intercept and collect impurities, glue clumps, or fiber debris squeezed off the mesh during the lamination process. The right side wall of the impregnation frame 1 has a rectangular opening that matches the shape of the filter frame 13. This opening is sealed by the filter frame 13 body during equipment operation to ensure that the glue does not leak out. During maintenance, the filter frame 13 can be slid out horizontally for easy cleaning. A pull plate 14 is provided on the right side of the filter frame 13 for easy manual assistance in pulling it out. The pull plate 14 is covered with an anti-slip sleeve 15 to increase the friction when gripping the filter frame, making it easier for the operator to apply force smoothly when pulling out or pushing back the filter frame 13.

[0025] During the composite molding process, the abrasive mesh continuously passes through the extrusion roller area to extrude excess adhesive. The excess adhesive may contain fiber detachment or impurities from the material surface. At this time, the adhesive flows downward into the filter frame 13 to trap the particulate impurities, thereby achieving filtration. After filtration, the adhesive flows back into the impregnation frame 1 for reuse. When the filter frame 13 needs to be cleaned, the operator holds the pull plate 14 and pulls the filter frame 13 horizontally along the support plate 12 for cleaning. After cleaning, the filter frame 13 is pushed back to its original position to continue participating in the adhesive filtration process.

[0026] Please see Figure 5A support plate 16 is fixedly connected to the top of the bearing support seat 5 on the left side. A ball screw 17 arranged laterally is rotatably mounted on the support plate 16. The ball screw 17 consists of a screw, balls and a nut. A positioning plate 18 is provided on the nut of the ball screw 17. The positioning plate 18 can move linearly back and forth with the rotation of the ball screw 17 to achieve adjustable lateral limit. The lower end of the positioning plate 18 is designed as an arc surface that matches the outer circle contour of the guide roller 6 and maintains a contact sliding fit with the surface of the left guide roller 6.

[0027] During the conveying of the abrasive mesh, the operator manually rotates the ball screw 17 according to the running status of the mesh. The rotation of the ball screw 17 drives the nut on it and the connected positioning plate 18 to move precisely in the horizontal direction. The lower end of the arc shape of the positioning plate 18 moves closer or further away, forming an adjustable lateral limiting stop. When the positioning plate 18 contacts the edge of the mesh, its lateral displacement is constrained, thus being guided to the center of the predetermined running trajectory, realizing automatic correction and stable conveying.

[0028] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A composite molding device for abrasive wheel mesh, comprising an impregnation frame (1), wherein a drain pipe (2) is provided at the bottom center of the impregnation frame (1), and a valve (3) is installed on the drain pipe (2), characterized in that, The impregnation frame (1) is rotatably installed on the left side inside. The top left and middle right positions of the impregnation frame (1) are equipped with guide rollers (6). Both ends of each guide roller (6) are fixed to the impregnation frame (1) by bearing support seats (5). The right side of the impregnation frame (1) is fixed with symmetrically distributed guide frames (7). The guide frames (7) are rotatably installed with a lower extrusion roller (8). The guide frame (7) is fixed with a guide rod (9). The guide rod (9) is slidably provided with a movable frame (901). The movable frame (901) is rotatably provided with an upper extrusion roller (10). The upper extrusion roller (10) and the lower extrusion roller (8) are arranged opposite each other in the vertical direction to form a roller gap channel for passing through and extruding the mesh. The guide rod (9) is sleeved with a spring (11). The two ends of the spring (11) are fixedly connected to the movable frame (901) and the guide frame (7) respectively.

2. The abrasive wheel mesh composite molding device according to claim 1, characterized in that, The right side of the impregnation frame (1) is fixed with symmetrically distributed support plates (12), which together support the filter frame (13). The filter frame (13) is located directly below the lower extrusion roller (8). The right side wall of the impregnation frame (1) has a rectangular opening that matches the shape of the filter frame (13). A pull plate (14) is provided on the right side of the filter frame (13).

3. The abrasive wheel mesh composite molding device according to claim 2, characterized in that, The pull plate (14) is covered with an anti-slip sleeve (15).

4. The abrasive wheel mesh composite molding device according to claim 3, characterized in that, A support plate (16) is fixedly connected to the top of the bearing support seat (5) on the left side. A ball screw (17) is rotatably mounted on the support plate (16). The ball screw (17) consists of a screw rod, balls and a nut. A positioning plate (18) is mounted on the nut of the ball screw (17).

5. The abrasive wheel mesh composite molding device according to claim 4, characterized in that, The lower end of the positioning plate (18) is designed to be an arc-shaped surface that matches the outer circle contour of the guide roller (6), and maintains a contact sliding fit with the surface of the left guide roller (6).

6. The abrasive wheel mesh composite molding device according to claim 5, characterized in that, The bottom of the dipped frame (1) is provided with symmetrically distributed anti-slip support pads (19).

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