CN221696241U - Numerical control drilling machine tool precision calibration tool - Google Patents

Numerical control drilling machine tool precision calibration tool Download PDF

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Publication number
CN221696241U
CN221696241U CN202420068609.1U CN202420068609U CN221696241U CN 221696241 U CN221696241 U CN 221696241U CN 202420068609 U CN202420068609 U CN 202420068609U CN 221696241 U CN221696241 U CN 221696241U
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China
Prior art keywords
shell
pressure sensor
conical head
spring
controller
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CN202420068609.1U
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Chinese (zh)
Inventor
马浩鹏
石立鹏
杜鹏阳
张永江
张阔
刘志雄
顾彦华
王钦国
霍英杰
郭浩飞
刘凯
盛徐
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China Railway Shanqiao Nantong Co ltd
China Railway Shanhaiguan Bridge Group Co Ltd
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China Railway Shanqiao Nantong Co ltd
China Railway Shanhaiguan Bridge Group Co Ltd
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Priority to CN202420068609.1U priority Critical patent/CN221696241U/en
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Publication of CN221696241U publication Critical patent/CN221696241U/en
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Abstract

The utility model discloses a precision calibration tool for a numerical control drilling machine tool, and relates to the technical field of steel bridge manufacturing. The tool comprises a shell, an electric control device, a spring, a conical head rod and a pin rod; the electric control device comprises a pressure sensor, a displacement sensor, a controller, a power supply and a display screen; a mounting cavity is arranged below the inner part of the shell, a spring is mounted in the mounting cavity, one end of the spring is connected with the shell, and the other end of the spring is connected with the pressure sensor; the pressure sensor is arranged at the top of the conical head rod; the pin rod is arranged at the middle position of the conical head rod, and one end of the pin rod penetrates through the side face of the shell. The utility model has the advantages that: after the tool is used for drawing the line, a displacement sensor senses the line drawing distance, and a controller compares the actual line drawing distance with the set distance to obtain a real-time error, and the real-time error is compensated and calibrated, so that the deviation of the drilling position is avoided, and the drilling precision is ensured; avoiding the occurrence of the condition of part waste and reworking caused by inconsistent processing and drilling intervals and designs, and saving the cost.

Description

Numerical control drilling machine tool precision calibration tool
Technical Field
The utility model relates to the technical field of steel bridge manufacturing, in particular to a precision calibration tool for a numerical control drilling machine tool.
Background
Drilling machines refer to machines and devices that leave cylindrical holes or bores in a target by rotary cutting or rotary extrusion with a tool that is harder and sharper than the target, and are commonly referred to as semi-automatic and fully-automatic drilling machines that drill precision parts to achieve a desired result. With the increase of drilling precision requirements, a numerical control drilling machine tool is one of common equipment in the metal processing industry or die manufacturing, and is generally used for precisely drilling a metal blank.
The existing common numerical control drilling machine tool can generate displacement errors in the working process due to the influences of movement gaps, temperature and the like, so that the drilling position is deviated. Therefore, a numerical control drilling machine tool precision calibration tool is provided, and is used for measuring offset errors and calibrating drilling machine precision.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a precision calibration tool for a numerical control drilling machine tool, which can solve the problems that in the prior art, the numerical control drilling machine tool can generate displacement errors in the working process and cause drilling position deviation due to the influences of movement gaps, temperature and the like.
In order to solve the technical problems, the technical scheme of the utility model is as follows: install in drilling rod side of numerical control drilling lathe, its characterized in that: comprises a shell, an electric control device, a spring, a conical head rod and a pin rod;
The electric control device comprises a pressure sensor, a displacement sensor, a controller, a power supply and a display screen, wherein the displacement sensor and the power supply are arranged at the bottom of the shell, the controller is arranged at the lower position outside the shell, the display screen is arranged at the upper position outside the shell, and the controller is electrically connected with the pressure sensor, the displacement sensor and the display screen;
The bottom of the mounting cavity is communicated with the outside of the shell, the spring is mounted in the mounting cavity, one end of the spring is connected with the shell, and the other end of the spring is connected with the pressure sensor;
the pressure sensor is arranged at the top of the conical head rod, the conical head rod is also arranged in the mounting cavity, and the bottom end of the conical head rod is exposed out of the shell;
The pin rod is arranged at the middle position of the conical head rod, a bolt hole for mounting the pin rod is formed in the middle of the conical head rod, one end of the pin rod penetrates through the side face of the shell, and an inverted L-shaped notch for sliding the pin rod is formed below the shell.
Further, an electromagnetic interference preventing cover is arranged on the outer side of the shell.
Further, the power supply is electrically connected with the pressure sensor, the displacement sensor, the controller and the display screen, and supplies power to the pressure sensor, the displacement sensor, the controller and the display screen through the power supply.
Further, the taper of the taper rod is 0.1mm.
After adopting the structure, the utility model has the advantages that: after the tool is used for drawing the line, a displacement sensor senses the line drawing distance, and a controller is used for comparing the actual line drawing distance with the set distance to obtain the real-time error of the numerical control drilling machine tool in the moving process, and the real-time error is compensated and calibrated, so that the deviation of the drilling position is avoided, and the drilling precision is ensured; the conditions of part waste, reworking and the like caused by inconsistent machining and drilling intervals and design are avoided, and the manufacturing cost is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a functional block diagram of the electric control device of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and detailed description. The following examples will provide those skilled in the art with a more complete understanding of the present utility model and are not intended to limit the utility model to the embodiments described.
As shown in fig. 1, the following technical scheme is adopted in this specific embodiment: the numerical control drilling machine precision calibration tool is arranged on the side surface of a drill rod of the numerical control drilling machine, and comprises a shell 1, an electric control device, a spring 2, a conical head rod 4 and a pin rod 5, wherein the shell 1 is arranged on the side surface of the drill rod of the numerical control drilling machine, and the drill machine can drive the shell 1 to lift by controlling the drill rod to lift.
The electric control device comprises a pressure sensor 3, a displacement sensor 6, a controller 8, a power supply 7 and a display screen 9, wherein the displacement sensor 6 and the power supply 7 are arranged at the bottom of the shell 1, the controller 8 is arranged at the lower position outside the shell 1, the display screen 9 is arranged at the upper position outside the shell 1, the controller 8 is electrically connected with the pressure sensor 3, the displacement sensor 6 and the display screen 9, information obtained by the pressure sensor 3 and the displacement sensor 6 is transmitted to the controller 8, the information processed by the controller 8 is displayed through the display screen 9, and the power supply 7 is electrically connected with the pressure sensor 3, the displacement sensor 6, the controller 8 and the display screen 9 and supplies power to the pressure sensor 3, the displacement sensor 6, the controller 8 and the display screen 9 through the power supply 7.
The controller 8 is responsible for processing and transmitting data; the pressure sensor 3 is responsible for detecting the descending and describing depth and is kept in a safe range; the displacement sensor 6 is responsible for identifying the scribing line and measuring the distance; the display screen 9 is responsible for outputting displacement errors, and the working principle of the electric control device is shown in fig. 2.
The inside below of shell 1 is equipped with the installation cavity, the bottom in installation cavity communicates with the outside of shell 1, spring 2 installs in the installation cavity, the one end of spring 2 is connected with shell 1, the other end is connected with pressure sensor 3, pressure sensor 3 installs in conical head pole 4 tops, conical head pole 4 can compress spring 2 extrusion, pressure sensor 3 detectable spring 2's pressure numerical value, conical head pole 4 also locates the installation cavity, the outside of shell 1 bottom is exposed to conical head bottom of conical head pole 4, conical head's sharpness is 0.1mm, when pressure sensor 3 detects the pressure numerical value and equals the pressure numerical value that sets up in the controller 8, the frock stops to descend, the extrusion degree of spring 2 and conical head pole 4 are fixed for the position of shell 1.
The pin 5 is installed in the intermediate position of awl pole 4, and awl pole 4 middle part is equipped with the bolt hole that is used for the installation of pin 5, and the one end of pin 5 passes shell 1 side setting, and shell 1's below is equipped with the gliding type notch of falling of supply pin 5, and the back is stopped to descend to the frock, slides pin 5 in the type notch of falling for pin 5 passes through the bolt hole and is fixed with awl pole 4, realizes the locking to awl pole 4.
An electromagnetic interference preventing cover is arranged on the outer side of the shell 1.
The components of the pressure sensor 3, the displacement sensor 6, the power supply 7, the controller 8, the electromagnetic interference preventing cover, the display screen 9 and the like are all universal standard components or components known to those skilled in the art, and the structures and principles of the components are all known to those skilled in the art through technical manuals or through routine experimental methods and are not described.
Working principle: retraction state: the power supply is turned off, the pin rod 5 is shifted to the transverse position of the inverted L-shaped notch at the middle lower part of the shell 1, the conical head rod 4 is retracted into the installation cavity inside the shell 1 and locked through the pin rod 5, and the precision calibration tool of the numerical control drilling machine tool is in a retracted state at the moment and used for protecting the sharpness of the end head of the conical head rod 4.
The working state principle is as shown in figure 2: turning on a power supply 7, and poking the pin rod 5 to the vertical position of the inverted L-shaped notch at the middle lower part of the shell 1, wherein the precision calibration tool of the numerical control drilling machine tool is in a working state; when the precision calibration tool of the numerical control drilling machine is in a working state, the drilling machine controls the drill rod to drive the shell 1 of the tool to descend, so that the conical head rod 4 is contacted with the steel plate; at the moment, the tool continues to descend, and when the pressure sensor 3 detects that the pressure value is equal to the pressure value set in the controller 8, the tool stops descending, and the extrusion degree of the spring 2 and the position of the conical head rod 4 relative to the shell 1 are fixed; next, the tool executes a line drawing program arranged in the controller 8, controls the conical head rod 4 to alternately draw a straight line with a distance of 1 meter in the X direction and the Y direction, and repeatedly executes for 5 times, so that line drawing work is completed; the displacement sensor 6 detects the line drawing distance, data are transmitted into the controller 8, and the controller 8 compares the detection distance of the displacement sensor 6 with the program set distance of the controller 8, and obtains displacement errors after weight analysis; the controller 8 transmits the displacement error to the display screen 9 for display; and loading the displacement error value into a machine tool drilling displacement program to compensate the drilling machine precision.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a numerical control drilling lathe precision calibration frock, installs in the drilling rod side of numerical control drilling lathe, its characterized in that: comprises a shell, an electric control device, a spring, a conical head rod and a pin rod;
The electric control device comprises a pressure sensor, a displacement sensor, a controller, a power supply and a display screen, wherein the displacement sensor and the power supply are arranged at the bottom of the shell, the controller is arranged at the lower position outside the shell, the display screen is arranged at the upper position outside the shell, and the controller is electrically connected with the pressure sensor, the displacement sensor and the display screen;
The bottom of the mounting cavity is communicated with the outside of the shell, the spring is mounted in the mounting cavity, one end of the spring is connected with the shell, and the other end of the spring is connected with the pressure sensor;
the pressure sensor is arranged at the top of the conical head rod, the conical head rod is also arranged in the mounting cavity, and the bottom end of the conical head rod is exposed out of the shell;
The pin rod is arranged at the middle position of the conical head rod, a bolt hole for mounting the pin rod is formed in the middle of the conical head rod, one end of the pin rod penetrates through the side face of the shell, and an inverted L-shaped notch for sliding the pin rod is formed below the shell.
2. The numerical control drilling machine tool precision calibration tool according to claim 1, wherein: an electromagnetic interference preventing cover is arranged on the outer side of the shell.
3. The numerical control drilling machine tool precision calibration tool according to claim 1, wherein: the power supply is electrically connected with the pressure sensor, the displacement sensor, the controller and the display screen, and supplies power to the pressure sensor, the displacement sensor, the controller and the display screen through the power supply.
4. The numerical control drilling machine tool precision calibration tool according to claim 1, wherein: the sharpness of the cone head rod is 0.1mm.
CN202420068609.1U 2024-01-11 2024-01-11 Numerical control drilling machine tool precision calibration tool Active CN221696241U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420068609.1U CN221696241U (en) 2024-01-11 2024-01-11 Numerical control drilling machine tool precision calibration tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420068609.1U CN221696241U (en) 2024-01-11 2024-01-11 Numerical control drilling machine tool precision calibration tool

Publications (1)

Publication Number Publication Date
CN221696241U true CN221696241U (en) 2024-09-13

Family

ID=92650121

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202420068609.1U Active CN221696241U (en) 2024-01-11 2024-01-11 Numerical control drilling machine tool precision calibration tool

Country Status (1)

Country Link
CN (1) CN221696241U (en)

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