Device for testing strength of polyurethane edge-sealed rock wool sandwich panel

Abstract

The utility model belongs to the field of strength testing devices, and particularly relates to a polyurethane edge sealing rock wool sandwich panel strength testing device which comprises a base, a movable plate is slidably connected to the upper end of the base, a guide frame is fixedly connected to the upper end of the movable plate, a screw rod is installed in the guide frame through a bearing, and the screw rod is fixedly connected with the base. A downward pressing frame is connected to the outer side of the screw rod through threads, a locking mechanism is arranged on the guide frame, a driving frame is fixedly connected to the lower end of the moving plate, and a connecting plate is fixedly connected to the outer side of the driving frame. According to the utility model, the pressing frame, the moving plate, the driving frame and other structures are additionally arranged on the base, and in the use process, after a plate is placed above the supporting block, the pressing frame can be driven by the hydraulic cylinder to slide to the outer side of the plate, so that the plate can be limited, the plate can be prevented from moving in the detection process, and the detection accuracy is improved. And meanwhile, the two sides are tilted, so that the data stability can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the technical field of strength testing devices, specifically a strength testing device for polyurethane-sealed rock wool sandwich panels. Background Technology

[0002] Polyurethane-sealed rock wool sandwich panels typically use color steel plates, stainless steel plates, or aluminum plates as the outer shell, filled with rock wool, and then sealed with polyurethane material. During the processing of the sandwich panels, the strength of the assembled panels needs to be tested. This testing can be performed by using a hydraulic cylinder to drive an extrusion press to compress the panels. However, existing strength testing devices require the panels to be deformed during extrusion, but this necessitates placing the panels above a support block, making the extrusion point suspended. As the pressure gradually increases, this can easily cause the panels to shift, affecting the accuracy of the test data. Furthermore, the panels are prone to warping on one side during extrusion, impacting the accuracy of the results. Therefore, improvements to the existing technology are needed. Utility Model Content

[0003] The purpose of this invention is to provide a strength testing device for polyurethane-sealed rock wool sandwich panels, which solves the problems of unstable placement of support blocks and easy warping of the panels.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a polyurethane-sealed rock wool sandwich panel strength testing device, comprising a base, a movable plate slidably connected to the upper end of the base, a guide frame fixedly connected to the upper end of the movable plate, a screw installed inside the guide frame via a bearing, a lower pressure frame threadedly connected to the outer side of the screw, a locking mechanism provided on the guide frame, a drive frame fixedly connected to the lower end of the movable plate, a connecting plate fixedly connected to the outer side of the drive frame, a mounting frame fixedly connected to the lower end of the base, and a hydraulic cylinder fixedly installed inside the mounting frame.

[0005] Preferably, the screw is connected to the moving plate via a bearing, and the lower pressure frame is slidably connected to the guide frame, which can guide the movement of the lower pressure frame.

[0006] Preferably, a handwheel is fixedly connected to the upper end of the screw, and two symmetrically distributed support blocks are fixedly connected to the upper end of the base, which can support the plate.

[0007] Preferably, the drive frame is slidably connected to the base, the hydraulic cylinder is fixedly connected to the base, and the output end of the hydraulic cylinder is fixedly connected to the connecting plate. The hydraulic cylinder can drive the drive frame to move through the connecting plate.

[0008] Preferably, a guide rod frame is fixedly connected to the lower end of the base, and the guide rod frame is slidably connected to the drive frame, so that the guide rod frame can guide the movement of the drive frame.

[0009] Preferably, the locking mechanism includes a multi-grooved wheel, the multi-grooved wheel is fixedly connected to the upper outer side of the screw, a hinge frame is fixedly connected to the middle outer side of the guide frame, a flip frame is hinged to the inner side of the hinge frame, a limit tooth is fixedly connected to the side of the flip frame near the multi-grooved wheel, and a spring is provided on the outer side of the flip frame. The limit tooth can limit the screw through the multi-grooved wheel.

[0010] Preferably, the limiting tooth engages with the multi-groove wheel, one end of the spring is fixedly connected to the tilting frame, and the other end of the spring is fixedly connected to the guide frame. The spring can automatically reset the tilting frame through its elastic force.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model adds a pressing frame, a moving plate, and a driving frame to the base. During use, after the plate is placed on the support block, the pressing frame can be driven by a hydraulic cylinder to slide to the outside of the plate, thereby limiting the plate and preventing it from moving or tilting on both sides during the testing process, which can effectively improve the stability of the data.

[0013] 2. This utility model adds a screw, multi-grooved wheel, and limiting teeth to the guide frame. During use, the downward pressure of the lower pressure frame can be adjusted through the threaded engagement between the screw and the lower pressure frame, and the range of downward pressure can be adjusted, thereby improving the degree of freedom of downward pressure. Furthermore, the screw can be limited by the engagement of the limiting teeth and multi-grooved wheel, making the downward pressure more stable. Attached Figure Description

[0014] Figure 1 The overall structure of this utility model is three-dimensional. Figure 1 ;

[0015] Figure 2 The overall structure of this utility model is three-dimensional. Figure 2 ;

[0016] Figure 3 For the present utility model Figure 1 A three-dimensional magnified view of the lower pressure frame;

[0017] Figure 4 For the present utility model Figure 1 A 3D magnified view of the movable plate;

[0018] Figure 5 For the present utility model Figure 1 Enlarged view of the A-section structure;

[0019] Figure 6 For the present utility model Figure 5 A 3D magnified view of the screw;

[0020] Figure 7 For the present utility model Figure 5 A 3D magnified view of the flipping frame.

[0021] In the diagram: 1. Base; 2. Moving plate; 3. Guide frame; 4. Screw; 5. Pressing frame; 6. Locking mechanism; 7. Support block; 8. Drive frame; 10. Connecting plate; 11. Mounting frame; 12. Hydraulic cylinder; 13. Guide rod frame; 14. Handwheel; 61. Multi-grooved wheel; 62. Hinge frame; 63. Tilting frame; 64. Limiting tooth; 65. Spring. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A strength testing device for polyurethane-sealed rock wool sandwich panels includes a base 1, a movable plate 2 slidably connected to the upper end of the base 1, a guide frame 3 fixedly connected to the upper end of the movable plate 2, a screw 4 installed inside the guide frame 3 via bearings, a lower pressure frame 5 connected to the outside of the screw 4 via threads, a locking mechanism 6 provided on the guide frame 3, a drive frame 8 fixedly connected to the lower end of the movable plate 2, a connecting plate 10 fixedly connected to the outside of the drive frame 8, and a mounting frame 11 fixedly connected to the lower end of the base 1. A hydraulic cylinder 12 is fixedly installed inside the mounting frame 11.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5The screw 4 is connected to the moving plate 2 via a bearing. The lower pressure frame 5 is slidably connected to the guide frame 3. The guide frame 3 can guide the movement of the lower pressure frame 5. A handwheel 14 is fixedly connected to the upper end of the screw 4. Two symmetrically distributed support blocks 7 are fixedly connected to the upper end of the base 1. The support blocks 7 can support the plate. The drive frame 8 is slidably connected to the base 1. The hydraulic cylinder 12 is fixedly connected to the base 1. The output end of the hydraulic cylinder 12 is fixedly connected to the connecting plate 10. The hydraulic cylinder 12 can drive the drive frame 8 to move through the connecting plate 10. A guide rod frame 13 is fixedly connected to the lower end of the base 1. The guide rod frame 13 is slidably connected to the drive frame 8. The guide rod frame 13 can guide the movement of the drive frame 8.

[0025] Please see Figure 1 , Figure 5 , Figure 6 , Figure 7 The locking mechanism 6 includes a multi-grooved wheel 61. The multi-grooved wheel 61 is fixedly connected to the upper outer side of the screw 4. The hinge frame 62 is fixedly connected to the middle outer side of the guide frame 3. The hinge frame 62 is hinged to the inner side of the hinge frame 62. The side of the hinge frame 63 near the multi-grooved wheel 61 is fixedly connected to a limiting tooth 64. A spring 65 is provided on the outer side of the hinge frame 63. The limiting tooth 64 can limit the screw 4 through the multi-grooved wheel 61. The limiting tooth 64 is engaged with the multi-grooved wheel 61. One end of the spring 65 is fixedly connected to the hinge frame 63, and the other end of the spring 65 is fixedly connected to the guide frame 3. The spring 65 can drive the hinge frame 63 to automatically reset through its elastic force.

[0026] The specific implementation process of this utility model is as follows: In use, the plate is placed above the support block 7, and then the hydraulic cylinder 12 is started. The hydraulic cylinder 12 drives the drive frame 8 to move through the connecting plate 10. During the movement of the drive frame 8, the lower pressure frame 5 can be moved through the moving plate 2. When the lower pressure frame 5 moves above the plate, the hydraulic cylinder 12 is stopped, and then the flipping frame 63 is pressed. During the deflection of the limiting tooth 64 driven by the flipping frame 63, the spring 65 is compressed. When the limiting tooth 64 disengages from the multi-grooved wheel 61, the limiting of the screw 4 can be released. Then, the handwheel 14 is turned, and the handwheel 14 drives the screw 4 to rotate. During the rotation of the screw 4, the screw 4 can drive the lower pressure frame 5 to press against the outside of the plate through the threaded engagement with the lower pressure frame 5. Then, the handwheel 14 is stopped, and the flipping frame 63 is released at the same time. The spring 65 returns to its original position. The spring 65 can drive the limiting tooth 64 to re-engage inside the multi-grooved wheel 61 through its elastic force, thus completing the limiting of the screw 4, which makes the plate more stable during the test.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A strength testing device for polyurethane-sealed rock wool sandwich panels, comprising a base (1), characterized in that: A movable plate (2) is slidably connected to the upper end of the base (1), and a guide frame (3) is fixedly connected to the upper end of the movable plate (2). A screw (4) is installed inside the guide frame (3) through a bearing. A pressure frame (5) is threadedly connected to the outside of the screw (4). A locking mechanism (6) is provided on the guide frame (3). A drive frame (8) is fixedly connected to the lower end of the movable plate (2). A connecting plate (10) is fixedly connected to the outside of the drive frame (8). A mounting frame (11) is fixedly connected to the lower end of the base (1). A hydraulic cylinder (12) is fixedly installed inside the mounting frame (11).

2. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 1, characterized in that: The screw (4) is connected to the moving plate (2) via a bearing, and the lower pressure frame (5) is slidably connected to the guide frame (3).

3. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 1, characterized in that: A handwheel (14) is fixedly connected to the upper end of the screw (4), and two symmetrically distributed support blocks (7) are fixedly connected to the upper end of the base (1).

4. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 1, characterized in that: The drive frame (8) is slidably connected to the base (1), the hydraulic cylinder (12) is fixedly connected to the base (1), and the output end of the hydraulic cylinder (12) is fixedly connected to the connecting plate (10).

5. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 1, characterized in that: The lower end of the base (1) is fixedly connected to a guide rod frame (13), and the guide rod frame (13) is slidably connected to the drive frame (8).

6. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 1, characterized in that: The locking mechanism (6) includes a multi-grooved wheel (61), the upper outer side of the screw (4) is fixedly connected to the multi-grooved wheel (61), the middle outer side of the guide frame (3) is fixedly connected to the hinge frame (62), the inner side of the hinge frame (62) is hinged to the flipping frame (63), the side of the flipping frame (63) near the multi-grooved wheel (61) is fixedly connected to the limiting tooth (64), and the outer side of the flipping frame (63) is provided with a spring (65).

7. The polyurethane-sealed rock wool sandwich panel strength testing device according to claim 6, characterized in that: The limiting tooth (64) engages with the multi-grooved wheel (61), one end of the spring (65) is fixedly connected to the flipping frame (63), and the other end of the spring (65) is fixedly connected to the guide frame (3).

Images