A gravity sensor automatic detection device

Abstract

The utility model discloses an automatic detection device for a gravity sensor, comprising a frame, wherein a plurality of special jigs for positioning the gravity sensor are arranged on the top of the frame, and precision electric cylinders corresponding to the special jigs are installed on the top of the frame via a mounting frame, a high-inertia servo motor for driving the precision electric cylinder to extend and retract is installed at the end of the precision electric cylinder, a pressure block for applying pressure to the gravity sensor fixed by the special jig is installed at the telescopic end of the precision electric cylinder, and a pressure sensor is arranged between the telescopic end of the precision electric cylinder and the pressure block, and the pressure sensor is used to detect the contact pressure between the pressure block and the gravity sensor; the utility model performs high-precision displacement by using a high-inertia servo motor plus a precision electric cylinder combined structure; and the contact pressure sensor can monitor the precise change of the pressure on the measured gravity sensor in real time.

Description

Technical Field

[0001] The utility model relates to the technical field related to gravity sensor detection, in particular to automatic detection equipment for a gravity sensor. Background Art

[0002] During the manufacturing process of gravity sensors, it is necessary to inspect the gravity sensors to determine whether they are qualified. When performing functional tests on gravity sensor products, pneumatic structures or screw + motor structures are usually used to apply pressure to the gravity sensors for testing. This is inefficient and has a high false detection rate. A product needs to be tested repeatedly to output the test results. Due to manual operation, consistency cannot be guaranteed, resulting in a low production yield. Debugging operations are difficult and often take a long time to debug. Minor adjustments cannot be made, making it unsafe and unreliable. Utility Model Content

[0003] In order to solve the defects of the prior art that consistency cannot be guaranteed during manual operation, resulting in low production yield; debugging operation is difficult, often requiring a long time for debugging, and fine adjustments cannot be made, and it is unsafe and unreliable, the utility model provides a gravity sensor automatic detection device.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an automatic detection device for a gravity sensor, comprising a frame, a plurality of special jigs for positioning the gravity sensor are arranged on the top of the frame, and a precision electric cylinder corresponding to the special jig is installed on the top of the frame via a mounting frame, a high-inertia servo motor for driving the precision electric cylinder to extend and retract is installed at the end of the precision electric cylinder, a pressure block for applying pressure to the gravity sensor fixed by the special jig is installed at the telescopic end of the precision electric cylinder, and a pressure sensor is arranged between the telescopic end of the precision electric cylinder and the pressure block, and the pressure sensor is used to detect the contact pressure between the pressure block and the gravity sensor;

[0006] The frame is provided with a protective cover for covering the precision electric cylinder, the high-inertia servo motor and the special fixture. The protective cover is provided with a human-machine interface, and the pressure sensor is connected to the human-machine interface. The frame is fixed with a code reader for reading the data on each gravity sensor via a fixing frame; the code reader is connected to the human-machine interface.

[0007] As a preferred technical solution of the utility model, a maintenance door is provided on the protective cover.

[0008] As a preferred technical solution of the utility model, a reflecting light curtain is provided on the frame.

[0009] As a preferred technical solution of the utility model, a plurality of function keys are provided on the human-machine interface.

[0010] As a preferred technical solution of the present utility model, there are no less than three special jigs.

[0011] As a preferred technical solution of the utility model, the code reader reads the readings of the gravity sensor to be detected in a one-to-one correspondence.

[0012] The beneficial effects of the utility model are:

[0013] This type of gravity sensor automatic detection equipment uses a high-inertia servo motor and a precision electric cylinder combination structure to perform high-precision displacement; through a contact pressure sensor, the precise changes in the pressure on the gravity sensor being tested can be monitored in real time; and the data detected by the gravity sensor is compared with the data detected by the pressure sensor to achieve qualified detection of the gravity sensor, which makes the detected gravity sensor data more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a structural schematic diagram of a gravity sensor automatic detection device of the utility model;

[0016] Figure 2 It is a structural schematic diagram of a maintenance door of a gravity sensor automatic detection device of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the installation of a human-machine interface of a gravity sensor automatic detection device.

[0018] In the figure: 1. Frame; 2. Special fixture; 3. Precision electric cylinder; 4. High inertia servo motor; 5. Pressure block; 6. Pressure sensor; 7. Mounting frame; 8. Protective cover; 9. Gravity sensor; 10. Human-machine interface; 11. Code reader; 12. Maintenance door; 13. Through-light curtain; 14. Function buttons. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1-3As shown, the utility model is an automatic detection device for a gravity sensor, comprising a frame 1, the top of the frame 1 is provided with a plurality of special jigs 2 for positioning a gravity sensor 9, and the top of the frame 1 is provided with precision electric cylinders 3 corresponding to the special jigs 2 one by one via a mounting frame 7, the end of the precision electric cylinder 3 is provided with a high-inertia servo motor 4 for driving the precision electric cylinder 3 to extend and retract, the telescopic end of the precision electric cylinder 3 is provided with a pressure block 5 for applying pressure to the gravity sensor 9 fixed by the special jig 2, and a pressure sensor 6 is provided between the telescopic end of the precision electric cylinder 3 and the pressure block 5, and the pressure sensor 6 is used to detect the contact pressure between the pressure block 5 and the gravity sensor 9;

[0021] The frame 1 is provided with a protective cover 8 for covering the precision electric cylinder 3, the high inertia servo motor 4 and the special fixture 2. The protective cover 8 is provided with a human-machine interface 10, and the pressure sensor 6 is connected to the human-machine interface 10. The frame 1 is fixed with a code reader 11 for reading the data on each gravity sensor 9 through a fixed frame; the code reader is connected to the human-machine interface 10. By using the high inertia servo motor 4 plus the precision electric cylinder 3 combined structure, high-precision displacement is performed; through the contact pressure sensor 6, the precise change of the pressure on the measured gravity sensor 9 can be monitored in real time; and the data detected by the gravity sensor 9 is compared with the data detected by the pressure sensor 6, so as to achieve qualified detection of the gravity sensor 9, so that the data detected by the gravity sensor 9 is more accurate.

[0022] The protective cover 8 is provided with a maintenance door 12, which facilitates maintenance of the components inside the protective cover.

[0023] The frame 1 is provided with a projection light curtain 13, which effectively prevents the risk of random misjudgment introduced by manual operation and ensures the safety of detection.

[0024] The human-machine interface 10 is provided with a plurality of function buttons 14 , wherein the function buttons can control the high-inertia servo motor 4 to perform telescopic control on the precision electric cylinder 3 .

[0025] The special jigs 2 are provided with no less than three, so that a plurality of gravity sensors 9 can be detected at the same time, ensuring high working efficiency.

[0026] The code reader 11 reads the corresponding readings of the gravity sensor 9 to be tested one by one, so that there is no interference with each other, which improves the efficiency of product function testing; the manual operation is simple, the safety performance is high, the test success rate is high, and the misjudgment rate is low; the product function test data is collected completely, and the quality traceability is high; the equipment debugging operation is simple and the stability is good, wherein the code reader can use a visual camera to display the readings on the gravity sensor.

[0027] When working, this type of gravity sensor automatic detection equipment uses a high-inertia servo motor 4 and a precision electric cylinder 3 combined structure to perform high-precision displacement; through a contact pressure sensor 6, it can monitor the precise changes in the pressure on the measured gravity sensor 9 in real time; and through the data detected by the gravity sensor 9, it compares the data detected by the pressure sensor 6 to achieve qualified detection of the gravity sensor 9, so that the data detected by the gravity sensor 9 is more accurate. The utility model is manually loaded and unloaded.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gravity sensor automatic detection device, characterized in that: The invention comprises a frame (1), wherein a plurality of special jigs (2) for positioning a gravity sensor (9) are arranged on the top of the frame (1), and precision electric cylinders (3) corresponding to the special jigs (2) are installed on the top of the frame (1) via a mounting frame (7), and a high-inertia servo motor (4) for driving the precision electric cylinder (3) to extend and retract is installed at the end of the precision electric cylinder (3), and a pressure block (5) for applying pressure to the gravity sensor (9) fixed by the special jig (2) is installed at the telescopic end of the precision electric cylinder (3), and a pressure sensor (6) is arranged between the telescopic end of the precision electric cylinder (3) and the pressure block (5), and the pressure sensor (6) is used to detect the contact pressure between the pressure block (5) and the gravity sensor (9); The frame (1) is provided with a protective cover (8) for covering the precision electric cylinder (3), the high-inertia servo motor (4) and the special fixture (2); the protective cover (8) is provided with a human-machine interface (10), and the pressure sensor (6) is connected to the human-machine interface (10); the frame (1) is fixed with a code reader (11) for reading data on each gravity sensor (9) via a fixing frame; the code reader is connected to the human-machine interface (10).

2. The automatic detection device for gravity sensor according to claim 1, characterized in that: The protective cover (8) is provided with a maintenance door (12).

3. The automatic detection device for gravity sensor according to claim 1, characterized in that: The frame (1) is provided with a reflecting light curtain (13).

4. The automatic detection device for gravity sensor according to claim 3, characterized in that: The human-machine interface (10) is provided with a plurality of function keys (14).

5. The automatic detection device for gravity sensor according to claim 1, characterized in that: The special jigs (2) are provided with no less than three.

6. The automatic detection device for gravity sensor according to claim 5, characterized in that: The code reader (11) reads the readings of the gravity sensors (9) to be detected in a one-to-one correspondence.

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