Compressive strength testing machine for curved surface sample

Abstract

The utility model relates to the technical field of compressive strength testing, in particular to a compressive strength testing machine for a curved surface sample, which comprises a bearing plate, a pressure sensor, a pressure sensor and a pressure sensor, a vertical rod is arranged at the bottom of the filter screen, a screwing rod is arranged at the bottom of the vertical rod, a storage groove is formed in the surface of the screwing rod, and a connecting pipe is arranged at the bottom of the bearing plate; the inserting rod is arranged on the surface of the connecting pipe; the device has the beneficial effects that a tested piece is placed on the surface of a bearing plate, the end part of a connecting pipe is connected with vehicle vacuumizing equipment, the tested piece is adsorbed on the surface of the tested piece through a suction hole, the tested piece is fixed, an inserting rod is inserted into the surface of the connecting pipe, a through hole is formed in the surface of the inserting rod, so that the connecting pipe is communicated with the suction hole, and a filter screen is arranged in the inserting rod; and when a screwing rod is screwed, the filtering net is driven by the screwing rod to move downwards, and when the filtering net moves to the bottom of an inserting rod, the filtering net touches a vibration rod.

Description

Technical Field

[0001] The utility model relates to the field of compressive strength testing, in particular to a compressive strength testing machine for curved surface samples. Background Art

[0002] The compressive strength test machine can be used to test mobile phones, VR, etc. The compressive strength of the tested object can be tested by pressing the component against the surface of the tested object and changing the pressure.

[0003] In the prior art, the tested object is fixed by a suction cup and held on the surface of the tested object by a pressing assembly;

[0004] However, the suction cup is connected through a pipe which is used for vacuuming. When dust enters the inside of the pipe, it will affect the strength of the suction cup's adsorption and the stability of the fixation of the test piece. Utility Model Content

[0005] The purpose of the utility model is to provide a compressive strength testing machine for curved surface samples to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a compressive strength test machine for curved surface samples, the compressive strength test machine for curved surface samples comprising:

[0007] A supporting plate, wherein suction holes are provided on the surface of the supporting plate;

[0008] The filter screen has a vertical rod at the bottom, a screw rod at the bottom, a storage groove on the surface of the screw rod, and a connecting pipe at the bottom of the supporting plate;

[0009] The plug-in rod is arranged on the surface of the connecting pipe.

[0010] Preferably, a supporting rod is provided on the top of the supporting plate, and the supporting rod can be lowered to support the surface of the supporting plate, and the end of the connecting pipe is connected to the vacuum pumping equipment.

[0011] Preferably, the screw rod is screwed inside the plug-in rod, a groove is provided inside the plug-in rod, and the diameter of the top of the groove inside the plug-in rod is smaller than the diameter of the bottom.

[0012] Preferably, a vibration rod is fixed inside the plug-in rod, the filter screen is in a round arch shape, and the filter screen rises and falls inside the plug-in rod along with the vertical rod.

[0013] Preferably, the vertical rod is raised and lowered along with the screw rod, and a through hole is provided on the surface of the plug-in rod, so that the inside of the plug-in rod is communicated with the inside of the connecting pipe.

[0014] Preferably, a support rod is fixed to the bottom of the supporting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model proposes that the tested piece is placed on the surface of a supporting plate, the end of the connecting pipe is connected to a car vacuum device, and is adsorbed on the surface of the tested piece through a suction hole to fix the tested piece, a plug-in rod is plugged into the surface of the connecting pipe, a through hole is opened on the surface of the plug-in rod, so that the connecting pipe is connected to the suction hole, and a filter is arranged inside the plug-in rod to play a filtering role, so that dust is located on the surface of the filter, and the screwing rod is screwed to drive the filter to move downward through the screwing rod. When the filter moves to the bottom of the plug-in rod, the filter touches the vibration rod, and the vibration rod causes the filter to vibrate, and the dust on the surface of the filter falls into the storage groove, so that the surface of the filter is cleaned, and the dust in the storage groove can be cleaned after the screwing rod is taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the connecting pipe of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0020] In the figure: a supporting plate 1, a supporting rod 2, a suction hole 3, a supporting rod 4, a connecting pipe 5, a screw rod 6, a plug-in rod 7, a filter screen 8, a vertical rod 9, a vibration rod 10, a through hole 11, and a storage groove 12. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 3The utility model provides a technical solution: a compressive strength test machine for curved surface samples, the compressive strength test machine for curved surface samples comprising: a supporting plate 1, a suction hole 3 is provided on the surface of the supporting plate 1; a filter screen 8, a vertical rod 9 is provided at the bottom of the filter screen 8, a screw rod 6 is provided at the bottom of the vertical rod 9, a storage groove 12 is provided on the surface of the screw rod 6, a connecting pipe 5 is provided at the bottom of the supporting plate 1; a plug-in rod 7 is provided on the surface of the connecting pipe 5, a plug-in rod 7 is plugged on the surface of the connecting pipe 5, a through hole 11 is provided on the surface of the plug-in rod 7, so that the connecting pipe 5 is connected to the suction hole 3, and a filter screen 8 is provided inside the plug-in rod 7 to play a filtering role.

[0024] Embodiment 2

[0025] On the basis of embodiment 1, a supporting rod 2 is provided on the top of the supporting plate 1, and the supporting rod 2 can be lowered and supported on the surface of the supporting plate 1. The end of the connecting pipe 5 is connected to the vacuum equipment. The screwing rod 6 is screwed into the inside of the plug-in rod 7. A groove is provided inside the plug-in rod 7. The diameter of the top of the groove inside the plug-in rod 7 is smaller than the diameter of the bottom. A vibration rod 10 is fixed inside the plug-in rod 7. The filter screen 8 is in a round arch shape, and the filter screen 8 rises and falls inside the plug-in rod 7 with the vertical rod 9. The screwing rod 6 drives the filter screen 8 to move downward. When the filter screen 8 moves to the bottom of the plug-in rod 7, the filter screen 8 touches the vibration rod 10. The vibration rod 10 causes the filter screen 8 to vibrate, and the dust on the surface of the filter screen 8 falls into the storage groove 12.

[0026] Embodiment 3

[0027] On the basis of the second embodiment, the vertical rod 9 is raised and lowered along with the screw rod 6, and a through hole 11 is opened on the surface of the plug-in rod 7. The through hole 11 makes the interior of the plug-in rod 7 communicate with the interior of the connecting tube 5. A support rod 4 is fixed to the bottom of the support plate 1. The screw rod 6 is screwed to drive the filter screen 8 to move downward. When the filter screen 8 moves to the bottom of the plug-in rod 7, the filter screen 8 touches the vibration rod 10.

[0028] During actual use, the tested piece is placed on the surface of the supporting plate 1, and the end of the connecting pipe 5 is connected to the car vacuum equipment, and is adsorbed on the surface of the tested piece through the suction hole 3 to fix the tested piece. The surface of the connecting pipe 5 is plugged with a plug-in rod 7, and a through hole 11 is provided on the surface of the plug-in rod 7, so that the connecting pipe 5 is connected to the suction hole 3, and a filter screen 8 is arranged inside the plug-in rod 7 to play a filtering role, so that dust is located on the surface of the filter screen 8, and the screwing rod 6 is screwed to drive the filter screen 8 to move downward. When the filter screen 8 moves to the bottom of the plug-in rod 7, the filter screen 8 touches the vibration rod 10, and the vibration rod 10 causes the filter screen 8 to vibrate, and the dust on the surface of the filter screen 8 falls into the storage groove 12, and the surface of the filter screen 8 is cleaned. After the screwing rod 6 is taken out, the dust in the storage groove 12 can be cleaned.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compressive strength testing machine for curved surface samples, characterized in that: The compressive strength testing machine for curved surface samples comprises: A supporting plate (1), wherein a suction hole (3) is provided on the surface of the supporting plate (1); A filter screen (8), a vertical rod (9) is arranged at the bottom of the filter screen (8), a screw rod (6) is arranged at the bottom of the vertical rod (9), a receiving groove (12) is arranged on the surface of the screw rod (6), and a connecting pipe (5) is arranged at the bottom of the supporting plate (1); The plug-in rod (7) is arranged on the surface of the connecting pipe (5).

2. A compressive strength testing machine for curved surface samples according to claim 1, characterized in that: A supporting rod (2) is arranged on the top of the supporting plate (1), and the supporting rod (2) can be lowered to support the surface of the supporting plate (1), and the end of the connecting pipe (5) is connected to a vacuum pumping device.

3. The compressive strength testing machine for curved surface samples according to claim 2, characterized in that: The screw rod (6) is screwed inside the plug rod (7), a groove is provided inside the plug rod (7), and the diameter of the top of the groove inside the plug rod (7) is smaller than the diameter of the bottom.

4. The compressive strength testing machine for curved surface samples according to claim 3, characterized in that: A vibration rod (10) is fixed inside the plug-in rod (7); the filter screen (8) is in a round arch shape, and the filter screen (8) rises and falls inside the plug-in rod (7) along with the vertical rod (9).

5. The compressive strength testing machine for curved surface samples according to claim 4, characterized in that: The vertical rod (9) is raised and lowered along with the screw rod (6), and a through hole (11) is provided on the surface of the plug-in rod (7), and the through hole (11) enables the interior of the plug-in rod (7) to communicate with the interior of the connecting pipe (5).

6. The compressive strength testing machine for curved surface samples according to claim 5, characterized in that: A support rod (4) is fixed to the bottom of the support plate (1).

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