Large rotational molding product air tightness detection device
By designing the airtightness detection device of large rotomold products, including test tanks, downpressure devices and consoles, the airtightness detection problem of large rotomold products has been solved, comprehensive inspection of various areas of the product has been achieved, and the accuracy of the inspection has been improved. degree and efficiency.
Patent Information
- Application Number
- CN202421341944.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-13
AI Technical Summary
It is difficult for large rotomolding products to be effectively tested using existing devices in airtightness detection, resulting in the inability to detect airtightness problems in time and affecting product quality.
A large-scale rotomolding product airtightness detection device is designed, including a test tank, a down pressure device and a console. A white acrylic plate is installed on the inner wall of the test tank to facilitate observation of leaking bubbles; the down pressure device drives the down pressure push frame through the cylinder to completely press the product into the water; the console is used to control the cylinder lifting and testing time.
The device can effectively detect the airtightness of large rotomolded products, ensure that each area of the product can be detected for water leakage, and improve the accuracy and efficiency of detection.
Smart Images
Figure CN222505721U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air tightness detection devices, in particular to an air tightness detection device for large-scale rotational molding products. Background Art
[0002] Roto-molding is a thermoplastic hollow molding method. The method is to first add the plastic raw material into the mold, then the mold is continuously rotated along two vertical axes and heated. Under the action of gravity and heat energy, the plastic raw material in the mold is gradually and evenly coated, melted and adhered to the entire surface of the mold cavity, forming into the required shape, and then cooled and shaped into a product.
[0003] Roto-molded products need to be tested for air tightness. However, due to the production of large roto-molded products, the products themselves are too large, and general air tightness testing equipment cannot be fully tested or even cannot be used, resulting in product air tightness problems that cannot be discovered in time, affecting product quality, wasting time, labor, and material costs, and causing losses. Utility Model Content
[0004] The purpose of the utility model is to provide a large-scale rotational molding product air tightness detection device to solve the problem of how to conveniently and effectively perform air tightness detection on large-scale rotational molding products.
[0005] Technical solution: The utility model provides an air tightness detection device for large-scale rotationally molded products, including: a water test pool, a downward pressure device, and a control console. A white acrylic plate is arranged along the edge of the inner side of the water test pool, which is convenient for observing whether there are water leakage bubbles in the product when testing the air tightness; the downward pressure device includes: a bracket, a cylinder, and a downward pressure push frame. The bracket is arranged above the middle of the water test pool, the cylinder is arranged in the middle of the bracket, the push rod of the cylinder is perpendicular to the water test pool below, the downward pressure push frame is connected to the push rod of the cylinder, and a universal joint is arranged between the downward pressure push frame and the cylinder, and the universal joint is used for adjustment to prevent damage to the cylinder; the control console is arranged on the side of the bracket.
[0006] Furthermore, in the above-mentioned large-scale rotational molding product air tightness detection device, the inner diameter of the test water tank is 3020mm long, 2320mm wide, and 1100mm deep.
[0007] Furthermore, the above-mentioned large-scale rotational molding product air tightness detection device also includes a sealing device, which is installed at the opening position of the product to be tested to seal the opening, and then an air pipe is arranged to connect to the interior of the product through the sealing device.
[0008] Furthermore, in the above-mentioned large-scale rotational molding product air tightness detection device, the push-down frame is a rectangular frame structure, composed of a plurality of tubes connected vertically and horizontally, and the width of the push-down frame is greater than or equal to the width of the bracket, so as to ensure that the large-scale rotational molding product can be completely pressed into the water, and the accuracy of the air tightness test is guaranteed.
[0009] Furthermore, in the above-mentioned large-scale rotational molding product air tightness detection device, the cylinders are provided with four, arranged in a rectangular shape on the bracket, and the center of the diagonal line connected to the push-down frame below is consistent with the center of the push-down frame. This allows the push-down frame to move up and down synchronously to maintain balance.
[0010] Furthermore, in the above-mentioned large-scale rotational molding product air tightness testing device, water is placed in the test water tank, and the water surface height can meet the requirement of completely immersing the product to be tested.
[0011] Furthermore, in the above-mentioned large-scale rotational molding product air tightness detection device, the control console includes a cylinder switch and a time control switch, which are used to control the lifting and lowering of the cylinder and adjust the time for testing after pressing down the product.
[0012] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the utility model describes a large-scale rotationally molded product air tightness detection device, the size of the water pool is sufficient for immersing the large-scale rotationally molded product, and a white acrylic plate is added to the edge of the inner wall of the water pool to facilitate observation of whether there are water leaks and bubbles during water testing. The cylinder is used to push the push rack down, so that the product can be pressed smoothly and completely into the water without obstructing the line of sight, making it convenient to observe whether there are leaks in various positions of the product. The console adjusts the test time according to the size of the product to ensure that every area of the product can be tested for water leaks. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front view of a large-scale rotational molding product air tightness detection device of the utility model;
[0014] Figure 2 It is a side view of a large-scale rotational molding product air tightness detection device of the utility model.
[0015] In the figure: a water test tank 1, a downward pressure device 2, a control console 3, a bracket 21, a cylinder 22, and a downward pressure push frame 23. DETAILED DESCRIPTION
[0016] Example 1
[0017] like Figure 1-2A large-scale rotational molding product air tightness detection device shown in the figure includes: a water test pool 1, a downward pressure device 2, and a control console 3. A white acrylic plate is arranged along the edge of the inner side of the water test pool 1, which is convenient for observing whether there are water leakage bubbles in the product when testing the air tightness; the downward pressure device 2 includes: a bracket 21, a cylinder 22, and a downward pressure push frame 23. The bracket 21 is erected above the middle of the water test pool 1, and the cylinder 22 is arranged in the middle of the bracket 21. The push rod of the cylinder 22 is perpendicular to the water test pool 1 below, and the downward pressure push frame 23 is connected to the push rod of the cylinder 22. The downward pressure push frame 23 and the cylinder 22 are connected to set a universal joint, and the universal joint is used for adjustment to prevent damage to the cylinder 22; the control console 3 is arranged on the side of the bracket 21.
[0018] In this embodiment, the inner diameter of the water test pool 1 is 3020 mm long, 2320 mm wide, and 1100 mm deep. Water is placed in the water test pool 1, and the water surface height can meet the requirement of completely immersing the product to be tested.
[0019] Example 2
[0020] On the basis of Example 1, in this example, Figure 1-2 The air tightness detection device for a large roto-molded product shown in the figure, the push-down frame 23 is a rectangular frame structure, composed of a plurality of pipes connected vertically and horizontally, and the width of the push-down frame 23 is greater than or equal to the width of the bracket 21. It ensures that the large roto-molded product can be completely pressed into the water to ensure the accuracy of the air tightness test.
[0021] In this embodiment, four cylinders 22 are provided and arranged in a rectangular shape on the bracket 21 , and the center of the diagonal line connected to the downward push frame 23 at the bottom is consistent with the center of the downward push frame 23 .
[0022] In this embodiment, a sealing device is also included. The sealing device is installed at the opening of the product to be tested to seal the opening, and then an air pipe is arranged to connect to the interior of the product through the sealing device.
[0023] In this embodiment, the control console 3 includes a cylinder switch and a time control switch, which are used to control the lifting of the cylinder and adjust the time of the test after pressing the product down. The control console 3 adjusts the test time according to the size of the product to ensure that every area of the product can be tested for water leakage.
[0024] It should be noted that the above is only a technical solution of the utility model and is not a limitation. Although the utility model is described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A large-scale rotational molding product air tightness detection device, characterized in that: include: A water testing pool (1), wherein a white acrylic plate is arranged on the inner edge of the water testing pool (1); A downward pressing device (2), the downward pressing device (2) comprising: a bracket (21), a cylinder (22), and a downward pressing push frame (23), the bracket (21) being mounted above the middle of the water test pool (1), the cylinder (22) being arranged in the middle of the bracket (21), the push rod of the cylinder (22) being perpendicular to the water test pool (1) below, the downward pressing push frame (23) being connected to the push rod of the cylinder (22), and the downward pressing push frame (23) and the cylinder (22) being connected to each other by a universal joint; A control console (3), wherein the control console (3) is arranged on a side of the bracket (21).
2. A large-scale rotational molding product air tightness detection device according to claim 1, characterized in that: The water test pool (1) has an inner diameter of 3020 mm, a width of 2320 mm and a depth of 1100 mm.
3. A large-scale rotational molding product air tightness detection device according to claim 1, characterized in that: It also includes a sealing device, which is installed at the opening of the product to be tested to seal the opening, and then an air pipe is arranged to connect to the interior of the product through the sealing device.
4. A large-scale rotational molding product air tightness detection device according to claim 1, characterized in that: The push-down frame (23) is a rectangular frame structure, which is composed of a plurality of pipe bodies connected vertically and horizontally. The width of the push-down frame (23) is greater than or equal to the width of the bracket (21).
5. The large-scale rotational molding product air tightness detection device according to claim 1 is characterized in that: The cylinders (22) are provided with four cylinders arranged in a rectangular shape on the bracket (21), and the center of the diagonal line connected to the downward push frame (23) at the bottom is consistent with the center of the downward push frame (23).
6. A large-scale rotational molding product air tightness detection device according to claim 1, characterized in that: Water is placed in the water testing pool (1), and the water surface height can meet the requirement of completely immersing the product to be tested.
7. A large-scale rotational molding product air tightness detection device according to claim 1, characterized in that: The control console (3) comprises a cylinder switch and a time control switch, which are used to control the lifting and lowering of the cylinder and adjust the time for testing after pressing down the product.