Waterproofing coating forming mold

Abstract

The utility model discloses a water conservancy waterproof coating forming die, and the die includes bottom plate, forming frame board and four frame board clamping pieces, and the bottom plate top surface is paved with oil felt raw paper, and the forming frame board is pressed and covers the four peripheral edges of oil felt raw paper and forms test piece forming area, and the frame board clamping piece is fixed on the both sides of bottom plate and is pressed tightly forming frame board in two pairs of a group. Frame board clamping piece includes seat board, riser, axle, rotating rod, manual shift lever, pressure bar and pressure head, and the rotating rod is equipped with tension spring between seat board. The utility model adopts the above -mentioned structure, can solve the problem that traditional water conservancy waterproof coating forming die is poor in sealing, is inconvenient to clamp, is difficult to demould and is poor in commonality, realizes the effect that sealing is reliable, clamps conveniently, demoulds easily, improves test efficiency and detection result accuracy.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy waterproof coating testing technology, specifically a water conservancy waterproof coating molding mold. Background Technology

[0002] The performance evaluation of waterproof coatings requires a series of tests, among which the quality of the specimen molding is a prerequisite for ensuring the accuracy and reliability of the test results. According to relevant industry standards (such as GB / T 1727-1992 "General Preparation Method of Paint Film" and SL 352-2022 "Technical Specification for Concrete Anti-seepage Walls in Water Conservancy and Hydropower Projects"), waterproof coating specimens are typically prepared into films or composite specimens of specified dimensions for testing core performance characteristics such as tensile strength, elongation at break, bond strength, and impermeability. The structural rationality of the molds used in the specimen molding process directly affects the dimensional accuracy, surface smoothness, and molding efficiency of the specimens.

[0003] Currently, most molding molds used for testing water-conserving waterproof coatings adopt traditional steel or wooden frame structures, which have the following main problems: 1. Insufficient sealing performance: Traditional molds lack reliable sealing and positioning structures between the frame and the base plate. During the coating pouring or scraping process, coating is prone to seep through the gaps between the frame and the base plate, which not only wastes materials but also causes chipped corners and uneven thickness of the specimens, affecting the accuracy of subsequent performance tests.

[0004] 2. Inconvenient clamping and fixing: Existing molds often use bolts to directly press the frame or use external clamps for fixing. During the operation, each bolt needs to be tightened or the clamps need to be adjusted, which is time-consuming and labor-intensive. Moreover, it is difficult to control the clamping force evenly. If it is too loose, it will easily cause the frame to shift. If it is too tight, it may cause the frame to deform, which will further affect the molding quality of the specimen.

[0005] 3. Difficulty in demolding specimens: Some molds do not have an isolation layer or the isolation structure is not designed properly. After the waterproof coating cures, it is easy to stick to the bottom plate or frame of the mold. When demolding, tools are needed to pry it, which can easily cause the specimen to break or crack, resulting in test failure.

[0006] 4. Poor versatility: The frame size of traditional molds is mostly fixed, making it difficult to flexibly adjust the size requirements of specimens according to different test standards. Multiple sizes of molds are required, which increases test costs and storage space.

[0007] In addition, given the special nature of water-conserving waterproof coatings, the molding of their specimens must meet the requirements of substrate simulation (such as the rough surface and porous structure of concrete substrates). However, existing molds often ignore the influence of substrate conditions on coating molding and performance, resulting in deviations between test results and actual engineering applications. Summary of the Invention

[0008] The technical problem to be solved by this utility model is to provide a molding die for water conservancy and waterproof coatings, which can solve the problems of poor sealing, inconvenient clamping, difficult demolding and poor versatility of traditional molding dies for water conservancy and waterproof coatings, and achieve the effects of reliable sealing, convenient clamping and easy demolding, thereby improving the efficiency of testing and the accuracy of test results.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a water conservancy waterproof coating molding mold, including a base plate, a molding frame plate and frame plate clamping members. The top surface of the base plate is covered with tar paper. The molding frame plate is pressed and set on the four edges of the tar paper. There are four frame plate clamping members, which are fixedly arranged in pairs on both sides of the base plate. The frame plate clamping members press the two sides of the molding frame plate. The specimen forming area is formed above the felt base paper on the inner side of the forming frame plate.

[0010] In a preferred embodiment, the frame clamping component includes a seat plate, which is fixed to a base plate. The base plate has two vertical plates, and an axially horizontal shaft is provided between the two vertical plates. The shaft is equipped with a rotating rod and a manual lever. The end of the rotating rod is equipped with a pressure rod perpendicular to it, and the lower end of the pressure rod is equipped with a pressure head.

[0011] In a preferred embodiment, the included angle between the rotating rod and the manual lever is 90°-180°.

[0012] In a preferred embodiment, the end of the rotating rod is provided with a threaded hole, and the outer wall of the pressure rod is provided with an external thread, and the pressure rod and the rotating rod are connected by a threaded engagement.

[0013] In a preferred embodiment, the pressure head is a soft frustum structure with its smaller diameter end facing downwards to press against the forming frame plate.

[0014] In a preferred embodiment, the pressure head is made of rigid foam material.

[0015] In a preferred embodiment, a tension spring fixing ring is provided on the bottom surface of the end of the rotating rod near the pressure rod and on the top surface of the seat plate between the two upright plates, and a tension spring is provided between the two tension spring fixing rings.

[0016] The water-conserving waterproof coating molding die provided by this utility model has the following beneficial effects by adopting the above-mentioned structure: (1) Four frame clamping parts are fixed to the two sides of the base plate in pairs. The tension of the spring can drive the rotating rod to rotate around the shaft, so that the pressure head at the lower end of the pressure rod continuously and stably presses the two sides of the forming frame plate. No manual continuous force is required. The clamping force is uniform and stable, avoiding frame displacement due to excessive clamping or frame deformation due to excessive clamping. When disassembling the mold, the tension of the spring can be released by manually turning the lever, so that the pressure head can be removed from the forming frame plate. The operation is simple and quick, greatly improving the efficiency of mold disassembly and assembly. (2) The pressure bar and the rotating bar are connected by a threaded fit, which makes it easy to adjust the height of the pressure bar according to the thickness of the forming frame plate and adapt to different specifications of forming frame plates. At the same time, by replacing the forming frame plate of different sizes, the requirements of different test standards on the specimen size can be met, reducing the number of molds required and reducing test costs and storage space. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a side view of the frame clamping component of this utility model.

[0019] In the diagram: 1. Base plate, 2. Roofing felt base paper, 3. Forming frame plate, 4. Frame plate clamping piece, 5. Seat plate, 6. Vertical plate, 7. Rotating rod, 8. Shaft rod, 9. Manual lever, 10. Pressure rod, 11. Pressure head, 12. Tension spring, 13. Tension spring retaining ring. Detailed Implementation

[0020] like Figure 1-2 In the present invention, a water conservancy waterproof coating forming mold includes a base plate 1, a forming frame plate 3 and a frame plate clamping member 4. The top surface of the base plate 1 is covered with an asphalt felt base paper 2. The forming frame plate 3 is pressed and set on the four edges of the asphalt felt base paper 2. There are four frame plate clamping members 4, which are fixedly set in pairs on both sides of the base plate 1, and the frame plate clamping members 4 press the two sides of the forming frame plate 3. The specimen forming area is formed above the felt base paper 2 on the inner side of the forming frame plate 3.

[0021] In a preferred embodiment, the frame clamping member 4 includes a seat plate 5, which is fixed on the base plate 1. The base plate 1 has two vertical plates 6, and an axially horizontal shaft 8 is provided between the two vertical plates 6. The shaft 8 is provided with a rotating rod 7 and a manual lever 9. The end of the rotating rod 7 is provided with a pressure rod 10 perpendicular to it, and the lower end of the pressure rod 10 is provided with a pressure head 11.

[0022] In a preferred embodiment, the included angle between the rotating rod 7 and the manual lever 9 is 90°-180°.

[0023] In a preferred embodiment, the rotating rod 7 has a threaded hole at its end, and the pressure rod 10 has an external thread on its outer wall, with the pressure rod 10 and the rotating rod 7 connected by a threaded engagement.

[0024] In a preferred embodiment, the pressure head 11 is a soft frustum structure with its smaller diameter end facing downwards to press against the forming frame plate 3.

[0025] In a preferred embodiment, the pressure head 11 is made of rigid foam material.

[0026] In a preferred embodiment, a tension spring fixing ring 13 is provided on the bottom surface of the rotating rod 7 near the pressure rod 10 and on the top surface of the seat plate 5 between the two upright plates 6, and a tension spring 12 is provided between the two tension spring fixing rings 13.

[0027] The water conservancy waterproof coating molding mold disclosed in this utility model, when using the above-described structure for water conservancy waterproof coating molding operations: First, the base paper 2 is laid flat on the top surface of the base plate as a sealing and isolation layer; then the forming frame plate 3 is precisely pressed onto the four edges of the base paper 2, so that the area of ​​the base paper 2 inside the forming frame plate 3 forms a regular specimen forming area.

[0028] Then, a tension spring 12 is installed between the seat plate 5 and the rotating rod 7. The tension force generated by the tension spring 12 is transmitted to the rotating rod 7 through the tension spring retaining ring 13, causing the rotating rod 7 to rotate around the shaft 8. The pressure head 11 presses tightly against the top surface of the forming frame plate 3. Since the tension spring has a constant tension, the pressure head can apply a uniform and stable pressing force to the forming frame plate, ensuring a tight fit between the forming frame plate and the felt base paper and the base plate, achieving a reliable seal.

[0029] Water-resistant and waterproof coating is poured or applied to the specimen molding area enclosed by the molding frame plate 3. The asphalt felt base paper 2 fills the gap between the molding frame plate 3 and the base plate 1 to prevent the coating from leaking. At the same time, the asphalt felt base paper 2 simulates the characteristics of the concrete base layer, providing a molding environment for the coating that is close to the actual construction. After the coating cures according to the test requirements, the specimen is formed.

[0030] After the waterproof coating has cured, manually turn the lever 9 on the frame clamping part 4. The lever 9 drives the rotating rod 7 to rotate upward around the shaft 8 against the tension of the tension spring 12, so that the pressure head 11 is disengaged from the top surface of the molding frame plate 3, and the pressing state on the molding frame plate 3 is released. Then, remove the molding frame plate 3, remove the cured specimen together with the asphalt felt base paper 2 from the base plate 1, and then peel the specimen from the asphalt felt base paper 2 to complete the entire specimen preparation process.

Claims

1. A molding die for a water-conserving waterproof coating, characterized in that: Includes a base plate (1), a forming frame plate (3) and frame plate clamping parts (4). The top surface of the base plate (1) is covered with tar paper (2). The forming frame plate (3) is pressed on the four edges of the tar paper (2). There are four frame plate clamping parts (4). The four frame plate clamping parts (4) are fixedly arranged in pairs on both sides of the base plate (1). The frame plate clamping parts (4) press the two sides of the forming frame plate (3). The specimen forming area is formed above the felt base paper (2) on the inner side of the forming frame plate (3).

2. The molding die for a water-conserving waterproof coating according to claim 1, characterized in that: The frame clamping component (4) includes a seat plate (5), which is fixed on the base plate (1). The base plate (1) has two vertical plates (6), and an axial horizontal shaft (8) is provided between the two vertical plates (6). The shaft (8) has a rotating rod (7) and a manual lever (9). The end of the rotating rod (7) has a pressure rod (10) perpendicular to it, and the lower end of the pressure rod (10) has a pressure head (11).

3. The molding die for a water-conserving waterproof coating according to claim 2, characterized in that: The included angle between the rotating rod (7) and the manual lever (9) is 90°-180°.

4. The molding die for a water-conserving waterproof coating according to claim 2, characterized in that: The rotating rod (7) has a threaded hole at its end, and the pressure rod (10) has an external thread on its outer wall. The pressure rod (10) and the rotating rod (7) are connected by a threaded fit.

5. The molding die for a water-conserving waterproof coating according to claim 2, characterized in that: The pressure head (11) is a soft frustum structure with its smaller diameter end facing downwards and pressing against the forming frame plate (3).

6. A molding die for a water-conserving waterproof coating according to claim 2 or 5, characterized in that: The pressure head (11) is made of rigid foam material.

7. The molding die for a water-conserving waterproof coating according to claim 2, characterized in that: A tension spring fixing ring (13) is provided on the bottom surface of the rotating rod (7) near the pressure rod (10) and on the top surface of the seat plate (5) between the two upright plates (6), and a tension spring (12) is provided between the two tension spring fixing rings (13).

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