A small vertical glass fiber sizing machine for experiment

Abstract

The utility model relates to prepreg production technical field, concretely relates to a small -size vertical glass fibre cloth gluing machine for experiment, include: base, stand, top frame, two metering steel rollers, two drive air cylinders and glue receiving tray, top frame and base are arranged horizontally one above the other, fixedly connected through stand in the middle, and glue receiving tray is placed on the base, the locating shaft of first metering steel roller is installed in the front side of top frame through support, screw hole is seted up in the both ends of locating shaft, adjusting screw rod is installed in screw hole and is spun out a distance in rear end, second metering steel roller is located in the rear side of first metering steel roller, and both parallel and equal height arrangement, two drive air cylinders are installed on top frame left and right, and the top rod of drive air cylinder all is arranged towards forward and is connected with the mounting shaft of second metering steel roller through locating sleeve, when locating sleeve and the rear end of adjusting screw rod abut, the clearance kept between first metering steel roller and second metering steel roller is as the glue scraping channel of gluing glass fibre cloth.

Description

Technical Field

[0001] This utility model relates to the field of prepreg production technology, specifically to a small-scale vertical fiberglass cloth gluing machine for experimental use. Background Technology

[0002] Prepreg is a laminate material for fiberglass boards. Multiple layers of prepreg are stacked and pressed together using lamination equipment to form a fiberglass board of a predetermined thickness. The production process of prepreg can be roughly divided into the following steps: impregnation of fiberglass cloth / glass mat substrate → pre-drying of adhesive → cooling and curing → cutting to size. During the impregnation process, after the fiberglass cloth / glass mat substrate is soaked in resin, the metering rollers on the discharge side of the impregnation tank scrape off excess adhesive from the surface, ensuring that the dried prepreg reaches the predetermined weight range.

[0003] Before mass production, each fiberglass board product's prepreg needs to undergo an adhesive application test to determine the spacing of the metering rollers and the content of the main components in the adhesive, serving as the basis for formal production. Conducting the adhesive application test directly on the production line would disrupt normal production; therefore, a miniaturized adhesive application device needs to be designed to meet the requirements of completing the test in a laboratory setting. Utility Model Content

[0004] The purpose of this invention is to provide a small vertical fiberglass cloth gluing machine for experimental use, which can scrape off excess glue from the surface of fiberglass cloth / glass mat substrate, and the amount of glue scraped can be easily adjusted according to experimental requirements. It also features simple operation and low manufacturing cost.

[0005] The technical solution adopted in this utility model is as follows: A small-scale vertical fiberglass cloth gluing machine for experimental use includes: a base, a column, a top frame, two metering steel rollers, two drive cylinders, and a glue receiving tray; the top frame and the base are arranged horizontally, one above the other, and fixedly connected in the middle by the column, with the glue receiving tray placed on the base; the positioning shaft of the first metering steel roller is mounted on the front side of the top frame through a support, and screw holes are opened at both ends of the positioning shaft, with an adjusting screw installed in the screw holes and its rear end turned out a certain distance; the second metering steel roller is located behind the first metering steel roller, and the two are arranged parallel and at the same height; the two drive cylinders are mounted on the top frame, one on the left and one on the right, with the push rods of the drive cylinders both facing forward and connected to the mounting shaft of the second metering steel roller through a positioning sleeve; when the positioning sleeve abuts against the rear end of the adjusting screw, the gap between the first metering steel roller and the second metering steel roller serves as a scraping channel for the gluing fiberglass cloth.

[0006] In a further embodiment, support plates are fixed on the left and right sides of the top frame, and the upper edge of the support plates supports the mounting shaft of the second metering steel roller.

[0007] In a further embodiment, the upper edge of the support plate has an upward-facing notch for supporting the lifting rod of the glued fiberglass cloth.

[0008] In a further embodiment, both the base and the top frame are rectangular frames, with the space inside the base frame used to accommodate the adhesive receiving tray.

[0009] In a further embodiment, the positioning shaft of the first metering steel roller is fixedly connected to the supports at both ends, and the first metering steel roller is rotatably fitted onto the positioning shaft.

[0010] In a further embodiment, the driving cylinder is a two-way cylinder.

[0011] This utility model has the following beneficial effects: (1) The distance between the first and second metering steel rollers is controlled by adjusting the screw. The driving cylinder only needs to realize simple extension and retraction. There is no need to accurately control the stroke through sensors, control boards and other modules, so the control cost is low. (2) The upper edge of the support plate supports the second metering steel roller to avoid its weight affecting the extension and retraction of the drive cylinder; (3) The lifting rod is placed in the notch on the upper edge of the support plate. A single person can roll the upper end of the glued fiberglass cloth onto the lifting rod. After starting the drive cylinder, a single person can also lift the glued fiberglass cloth, saving labor costs. (4) Both the base and the top frame are rectangular frame structures, which facilitates the lifting of the glued fiberglass cloth. The rectangular frame of the base can also be connected to the glue tray for limiting, preventing it from moving significantly during the lifting process.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0014] Figure 1 This is a schematic diagram of the main structure of an embodiment of this utility model.

[0015] Figure 2 This is a top view of an embodiment of the present invention.

[0016] The reference numerals in the diagram are as follows: 1. Base; 2. Glue receiving tray; 3. Column; 4. Top frame; 5. Drive cylinder; 6. Positioning sleeve; 7. Lifting rod; 8. Glue-applying fiberglass cloth; 9. Mounting shaft; 10. Support plate; 11. Notch; 12. Support; 13. Adjusting screw; 14. Positioning shaft; 15. Fastening bolt; 16. Slot; 17. First metering steel roller; 18. Second metering steel roller. Detailed Implementation

[0017] To enable those skilled in the art to more clearly understand the purpose, technical solution and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments, but the present utility model is not limited to the following embodiments.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0020] like Figure 1 , Figure 2 As shown, this embodiment provides a small-scale vertical fiberglass cloth gluing machine for experimental use, comprising a base 1, a top frame 4, and two columns 3. The base 1 and top frame 4 are both steel rectangular frames, arranged horizontally one above the other, and welded together as a single unit by the two columns 3 arranged on the left and right sides. A rectangular glue receiving tray 2 is placed inside the rectangular frame of the base 1. The rectangular frame limits the downward movement of the glue receiving tray 2, reducing its movement during the gluing and lifting processes of the fiberglass cloth.

[0021] The first metering steel roller 17 and the second metering steel roller 18 both span across the top frame 4. The positioning shaft 14 of the first metering steel roller 17 is mounted on the front side of the top frame 4 via supports 12. The positioning shaft 14 has threaded holes at both ends, and an adjusting screw 13 is installed in these holes with its rear end extended a certain distance. In one embodiment, the positioning shaft 14 of the first metering steel roller 17 is fixedly connected to the supports 12 at both ends, and the first metering steel roller 17 is rotatably fitted onto the positioning shaft 14. Specifically, the supports 12 have slots 16 extending from the top of the supports 12 to the mounting holes of the positioning shaft 14. Fastening bolts 15 apply a pulling force to the supports 12 on both sides of the slots 16, bringing them closer together, thereby clamping the positioning shaft 14 and preventing the adjusting screw 13 from rotating. The second metering steel roller 18 is located behind the first metering steel roller 17, and the two are arranged parallel to each other at the same height.

[0022] Two drive cylinders 5 are mounted on the frame of the top frame 4, one on the left and one on the right. Both are double-acting cylinders. The push rods of the two drive cylinders 5 are arranged forward and connected to the mounting shaft 9 of the second metering steel roller 18 through the positioning sleeve 6. The second metering steel roller 18 can rotate on the mounting shaft 9. Since the fastening bolt 15 does not directly abut against the mounting shaft 9, the mounting shaft 9 and the positioning sleeve 6 can be either fastened or rotated. When the positioning sleeve 6 abuts against the rear end of the adjusting screw 13, the gap between the first metering steel roller 17 and the second metering steel roller 18 serves as the glue scraping channel for the glued fiberglass cloth 8. Rotating the adjusting screw 13 can control the length of its extended rear end, thereby controlling the size of the gap between the two metering steel rollers.

[0023] Support plates 10 are fixed on the left and right sides of the top frame 4 respectively. The upper edge of the support plate 10 supports the mounting shaft 9 of the second metering steel roller 18 to avoid the weight of the second metering steel roller 18 affecting the action of the drive cylinder 5. The upper edge of the support plate 10 has an upward-facing notch 11 for placing the lifting rod 7 of the glued fiberglass cloth 8.

[0024] Considering that the fiberglass cloth gluing machine provided in this embodiment is mainly used in the laboratory, the dimensions of the base 1 and the top frame 4 should not be too large. The recommended dimensions are: no more than 50cm on the left and right, no more than 45cm on the front and back, and no more than 60cm in height.

[0025] The working principle of this embodiment is as follows: First, adjust the gluing machine according to the production requirements of different fiberglass cloth / glass mat substrates, so that the length of the rear end of the adjusting screws 13 on both sides is basically the same and reaches the expected value (the length of the extended adjusting screws 13 on both sides can be measured with a ruler). Then, soak the small sample of fiberglass cloth / glass mat substrate in glue, and wrap one end around the lifting rod 7 (the lifting rod 7 is placed in the notch 11 of the two support plates 10). Then lift the small sample (glued fiberglass cloth 8 / glued glass mat substrate) with the lifting rod 7, so that its upper end is between the two metering steel rollers of the gluing machine. Operate the drive cylinder 5 to move the second metering steel roller 18 forward until the positioning sleeve 6 abuts against the rear end of the adjusting screw 13. The second metering steel roller 18 reaches the limit position. Then slowly lift the small sample until the small sample has passed through the two metering steel rollers. The excess glue scraped off is received by the glue receiving tray 2. Afterwards, the second metering steel roller 18 retracts, and the sample enters the subsequent drying and weight detection stages. The lifting rod 7 is then returned to the two notches 11. If the weight meets the standard, mass production can proceed according to the gap between the two metering steel rollers and the adhesive formula. If the weight does not meet the standard, the gap between the two metering steel rollers is readjusted, or the adhesive formula is adjusted.

[0026] In another embodiment, the prepared water is poured directly into the receiving tray 2, and the sample is directly soaked in the receiving tray 2. The remaining steps are the same as above, which can prevent glue from dripping onto the laboratory floor during the sample transfer process.

[0027] The above description is merely a preferred embodiment of this utility model. For those skilled in the art, various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A laboratory scale vertical glass fiber sizing machine characterized by, include: The system consists of a base (1), a column (3), a top frame (4), two metering steel rollers, two drive cylinders (5), and a glue receiving tray (2). The top frame (4) and the base (1) are arranged horizontally, one above the other, and are fixedly connected in the middle by the column (3). The glue receiving tray (2) is placed on the base (1). The positioning shaft (14) of the first metering steel roller (17) is installed on the front side of the top frame (4) through a support (12). The positioning shaft (14) has screw holes at both ends, and the adjusting screw (13) is installed in the screw holes and screwed out a certain distance at the rear end. The second metering steel roller (18) is located behind the first metering steel roller (17), and the two are arranged parallel and at the same height. Two drive cylinders (5) are installed on the top frame (4) on the left and right respectively. The push rods of the drive cylinders (5) are arranged forward and connected to the mounting shaft (9) of the second metering steel roller (18) through the positioning sleeve (6). When the positioning sleeve (6) abuts against the rear end of the adjusting screw (13), the gap between the first metering steel roller (17) and the second metering steel roller (18) serves as the glue scraping channel for the glued fiberglass cloth (8).

2. The small-sized vertical glass fiber sizing machine for experiment according to claim 1, characterized in that: The top frame (4) is fixed with support plates (10) on the left and right sides respectively, and the upper edge of the support plate (10) supports the mounting shaft (9) of the second metering steel roller (18).

3. The small-sized vertical glass fiber sizing machine for experiment according to claim 2, characterized in that: The upper edge of the support plate (10) has an upward-facing notch (11) for placing the lifting rod (7) of the glued fiberglass cloth (8).

4. The small-sized vertical glass fiber sizing machine for experiment according to claim 1, characterized in that: Both the base (1) and the top frame (4) are rectangular frames, and the space inside the base (1) is used to accommodate the adhesive tray (2).

5. The small-sized vertical glass fiber sizing machine for experiment according to claim 1, characterized in that: The positioning shaft (14) of the first metering steel roller (17) is fixedly connected to the supports (12) at both ends, and the first metering steel roller (17) is rotatably fitted on the positioning shaft (14).

6. The small-sized vertical glass fiber sizing machine for experiment according to claim 1, characterized in that: The drive cylinder (5) is a two-way cylinder.

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