CN211955315U

CN211955315U - Screw thread detection tool

Info

Publication number: CN211955315U
Application number: CN202020498606.3U
Authority: CN
Inventors: 何敏
Original assignee: Suzhou Union Precision Metal Products Co ltd
Current assignee: Suzhou Union Precision Metal Products Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-17
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a thread detection tool, the upper surface of a substrate is provided with three positioning pins and three eddy current detection sensors, the three positioning pins are designed not only because triangles are more stable, but also can play the role of preventing reverse rotation and can be positioned quickly, the side surface of each positioning pin and the upper surface of the substrate are provided with air tightness detection holes, the air tightness detection holes are connected with an air tightness detection device, the air tightness detection device is connected with a state display lamp, the air tightness detection holes are used for detecting whether a product is laid flat or not, the sample calibration preparation before detection is made, if the product is uneven or the positioning is not finished, an NG display lamp is lightened, if the product is laid correctly, an OK display lamp is lightened, a probe of the eddy current sensor is a pneumatic lifting probe, the pneumatic lifting probe is arranged on the side surface of one positioning pin of the three positioning pins, a pneumatic button and a pause button for, after the product is placed without errors, the lifting probe rises to detect the thread.

Description

Screw thread detection tool

Technical Field

The utility model relates to a machine-building field especially relates to a screw thread detection tool.

Background

Aiming at the problems of thread missing processing and thread tooth decay, the conventional manual detection has low efficiency and large error, and can consider introducing an eddy current detection technology, wherein the eddy current detection works on the principle that a variable alternating magnetic field is introduced into a conductive material through a coil, when a magnetic line of force passes through a detected metal part, a tiny current with the frequency ranging from 500Hz to several megahertz is generated inside the part, the current is called an eddy current, because the essence of the eddy current detection principle is the detection of the conductivity of the material, an eddy current monitoring system is very suitable for detecting a non-ferromagnetic material (such as aluminum), when the eddy current detection system is used for measuring high conductivity (such as aluminum), an electromagnetic field generated by the eddy current detection system has large penetration capacity (the surface penetration depth is 2.54-6.35mm or more) on the detected part, a thread detection sensor consists of a controller of an electronic module and a probe with good compatibility, different probes can be replaced at any time, the threads of all conductive materials can be stably and reliably detected, the cleanliness of detected parts is not required, and the detection cost is reduced.

Disclosure of Invention

The utility model aims at providing a can control the deformation of work piece and stabilize machining dimension's screw thread detection tool.

For realizing above-mentioned technical purpose, the utility model discloses a following technical scheme, a screw thread detection tool, which comprises a base, be equipped with the base plate on the base, the upper surface of base plate is equipped with locating pin and eddy current detection sensor, the locating pin is equipped with threely, the side of every locating pin, the upper surface of base plate is equipped with airtight inspection hole, airtight inspection hole connects airtight detection device, airtight detection device connection status display lamp, eddy current sensor's probe is pneumatic lift probe, pneumatic lift probe establishes the side at a locating pin in above-mentioned three locating pin, the pneumatic button and the pause button setting of control pneumatic lift probe lift are in the side of base, the side of base still is equipped with the unusual display lamp of connecting eddy current sensor.

Preferably, the base and the substrate are fixedly connected by screws.

Preferably, the status indicator lamps are an OK indicator lamp and an NG indicator lamp provided on the side surface of the base.

Preferably, the side of the base is provided with an air source processing element.

The utility model discloses the upper surface of base plate is equipped with locating pin and eddy current detection sensor, the locating pin is equipped with three, the design of three locating pin not only is because triangle-shaped is more stable, can play the anti-reflection effect, quick positioning, the side of each locating pin, the upper surface of base plate is equipped with airtight inspection hole, airtight inspection hole connects airtight detection device, airtight detection device connects the status display lamp, airtight inspection hole is for detecting whether the product is set level, the sample calibration preparation before detecting is done, if the product is uneven or not to accomplish the location, NG display lamp lights, if the product is put correctly, OK display lamp lights, eddy current sensor's probe is the pneumatic lift probe, the pneumatic lift probe is established in the side of one of the above-mentioned three locating pins, the pneumatic button and the pause button that control pneumatic lift probe goes up and down are set up and down in the side of base, the product is put iner, the lifting probe rises to detect the screw thread, and the side of base still is equipped with the abnormal display lamp of connecting eddy current sensor, if the screw thread leaks processing or has the damage then abnormal display lamp lights.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a plan view of the substrate.

In the figure: 1. a base; 2. a substrate; 3. positioning pins; 4. an eddy current sensor; 5. an air-tightness detection hole; 6. a pneumatic lifting probe; 7. a pneumatic button; 8. a pause button; 9. an abnormality display lamp; 10. an OK display lamp; 11. NG display lamp; 12. an air source processing element.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used in a broad sense and can be, for example, mechanically or electrically connected, or can be connected by two elements through internal communication, either directly or indirectly via an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.

The utility model discloses a screw thread inspection tool according to the embodiment of the utility model is described below with reference to fig. 1 and 2, including base 1, be equipped with base plate 2 on base 1, the upper surface of base plate 2 is equipped with locating pin 3 and eddy current sensor 4, locating pin 3 is equipped with threely, the side of every locating pin 3, the upper surface of base plate 2 is equipped with airtight inspection hole 5, airtight inspection device is connected to airtight inspection hole 5, airtight inspection device connects the status display lamp, eddy current sensor 4's probe is pneumatic lift probe 6, pneumatic lift probe 6 establishes the side at above-mentioned three locating pin 3 in, the pneumatic button 7 and the pause button 8 that control pneumatic lift probe 6 goes up and down set up the side at base 1, the side of base 1 still is equipped with the abnormal display lamp 9 of connecting eddy current sensor 4.

Preferably, the base 1 and the substrate 2 are fixedly connected by screws.

Preferably, the status indicator lamps are an OK indicator lamp 10 and an NG indicator lamp 11 provided on the side surface of the base 1.

Preferably, the side of the base 1 is provided with an air supply treatment element 12.

In the description herein, references to the description of "one embodiment," "an example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a screw thread detection tool, which comprises a base, a serial communication port, be equipped with the base plate on the base, the upper surface of base plate is equipped with locating pin and eddy current detection sensor, the locating pin is equipped with threely, the side of every locating pin, the upper surface of base plate is equipped with airtight inspection hole, airtight detection device is connected to airtight inspection hole, airtight detection device connects the status display lamp, eddy current sensor's probe is pneumatic lift probe, pneumatic lift probe establishes the side at a locating pin in above-mentioned three locating pin, the pneumatic button setting of control pneumatic lift probe lift is in the side of base, the side of base still is equipped with the unusual display lamp of connecting eddy current sensor.

2. The tool of claim 1, wherein the base is fixed to the substrate by screws.

3. The threading detection jig of claim 1, wherein the status indicator lights are an OK indicator light and an NG indicator light disposed on the side of the base.

4. The thread inspection jig of claim 1, wherein the base is provided with an air source processing element on a side thereof.