CN114749999A - Distance measuring guide sleeve of automatic feeding drill and using method - Google Patents

Distance measuring guide sleeve of automatic feeding drill and using method Download PDF

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Publication number
CN114749999A
CN114749999A CN202210404361.7A CN202210404361A CN114749999A CN 114749999 A CN114749999 A CN 114749999A CN 202210404361 A CN202210404361 A CN 202210404361A CN 114749999 A CN114749999 A CN 114749999A
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China
Prior art keywords
distance measuring
guide sleeve
drill
contact
probe
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CN202210404361.7A
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Chinese (zh)
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CN114749999B (en
Inventor
韩汪涛
骆迎昕
孙小平
杨力
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AVIC Xian Aircraft Industry Group Co Ltd
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AVIC Xian Aircraft Industry Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B23Q17/2233Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

A distance measuring guide sleeve of an automatic feed drill and a using method thereof are disclosed, wherein a distance measuring guide sleeve body is matched with a drill jig hole on a drill jig plate and is of a cylindrical structure with a convex shoulder, a central through hole is formed in the center of the distance measuring guide sleeve and is matched with a drill bit of the automatic feed drill, a contact distance measuring instrument and a digital display meter are connected with the distance measuring guide sleeve, the contact distance measuring instrument is embedded in an installation hole of the guide sleeve body and is parallel to the central through hole, the contact distance measuring instrument is connected with the digital display meter through a signal line, the contact distance measuring instrument comprises a contact distance measuring probe, a displacement sensor, an expansion spring and a probe connecting rod which are sequentially connected, the probe connecting rod is relatively fixed with the distance measuring guide sleeve body, and the contact distance measuring probe is directly contacted with the surface of a product and is extruded by the surface of the product at the front end to generate displacement. The displacement sensor judges and feeds back the displacement value, and finally, the measurement result can be read out through the number displayed on the digital display meter.

Description

Distance measuring guide sleeve of automatic feeding drill and using method
Technical Field
The application relates to the technical field of automatic feed drill drilling, in particular to a distance measuring guide sleeve of an automatic feed drill and a using method.
Background
The hole making, the dimple forming and the fastener installing are the most common technological processes in the aircraft assembling link and are also one of the most important links of the aircraft assembling. The quality of the hole and the dimple is the most direct influence factor on the fatigue life of the airplane body structure. With the increasing technical indexes of the airplane, the requirement on the aerodynamic appearance of the airplane is more and more strict, and the quality of the countersink becomes the most critical ring with the highest precision requirement in the process of assembling the airplane. Generally, the conventional countersunk head fastener socket needs manual operation, the manual socket is time-consuming and labor-consuming, the precision is low, and socket test needs to be carried out on each hole. Especially for large-aperture countersunk head fasteners, the precision requirement of modern airplanes for the large-aperture countersunk head fasteners cannot be met by the manual countersink. The automatic feed drill is usually selected to be matched with the drill jig for automatic recess boring for the large-aperture countersunk head fastener, the automatic recess boring precision of the automatic feed drill is high, and the automatic recess boring is more stable than a manual recess boring, but certain processing errors exist in the appearance and the thickness of a part, so that the position of the tool tip of the recess boring cannot be measured and calibrated in advance when the automatic feed drill is used for recess boring, the depth of the recess boring of a product is difficult to control, the feeding amount of the tool needs to be debugged repeatedly, and the recess quality and the recess boring efficiency are seriously influenced. Therefore, an automatic feed drill contact type distance measuring method suitable for large-aperture countersinks is needed for rapidly completing detection work of the distance from the end face of a guide sleeve to the surface of a product, judging whether the position of a cutter meets requirements of the countersinks according to a measuring result, and achieving identification of part deformation in the countersink region and subsequent cutter compensation measures.
Disclosure of Invention
In order to meet the actual requirements of an aircraft production field, the application aims to provide a distance measuring guide sleeve of an automatic feeding drill and a using method.
A distance measuring guide sleeve of an automatic feeding drill is characterized in that a distance measuring guide sleeve body is matched with a drill jig hole on a drill jig plate and is of a cylindrical structure with a convex shoulder, a central through hole is formed in the center of the distance measuring guide sleeve and is matched with a drill bit of the automatic feeding drill, a contact distance measuring instrument and a digital display meter are connected with the distance measuring guide sleeve, the contact distance measuring instrument is embedded in an installation hole of the guide sleeve body and is parallel to the central through hole, the contact distance measuring instrument is connected with the digital display meter through a signal line, the contact distance measuring instrument comprises a contact distance measuring probe, a displacement sensor, an expansion spring and a probe connecting rod which are sequentially connected, the probe connecting rod is relatively fixed with the distance measuring guide sleeve body, the expansion spring is arranged between the displacement sensor and the probe connecting rod, the front end of the displacement sensor is fixedly connected with the contact distance measuring probe, and the displacement sensor and the contact distance measuring probe can perform expansion movement relative to the distance measuring guide sleeve, the front end of the contact type distance measuring probe extends out of the front end face of the distance measuring guide sleeve body.
The distance from the front end of the contact type distance measuring probe to the front end face of the distance measuring guide sleeve body is larger than a preset detection distance.
The use method of the distance measuring guide sleeve of the automatic feeding drill is characterized by comprising the following steps of: 1) drilling a hole on the surface of the product through a drilling template by using an automatic feeding drill, wherein the theoretical distance between the surface of the drilling template and the surface of the product is known; 2) installing the ranging guide sleeve on a drilling die hole of a drilling die plate, enabling the front end of the ranging guide sleeve to be flush with the surface of the drilling die plate, and ensuring that the relative position of the ranging guide sleeve and the drilling die hole is fixed; 3) actually measuring the deviation value between the actual distance and the theoretical distance between the surface of the drill plate and the surface of the product by a contact distance measuring probe at the front end of the contact distance measuring instrument; 4) the displacement sensor transmits the deviation value to a digital display meter through a signal line to be displayed; 5) and adjusting the position parameters of the automatic feeding drill according to the deviation value.
The beneficial effect of this application lies in: the deviation value of the real-time distance between the drill plate and the surface of the part and the theoretical distance is detected in real time through the contact type distance measuring instrument arranged on the distance measuring guide sleeve, the cutter lifting position parameter of the automatic feeding drill is adjusted in time according to the deviation value, the problem that the depth of the automatic feeding drill countersink is difficult to control due to part thickness errors is solved, the operation of repeatedly detaching the automatic feeding drill from the drill plate and adjusting the position of a tool tip is omitted, and the risk of out-of-tolerance when the product uses the automatic feeding drill countersink is reduced. The tool is convenient to use and easy to operate, improves the production efficiency of an assembly field, and provides reliable scheme support for subsequent design optimization and process improvement.
The present application is described in further detail below with reference to the accompanying drawings of embodiments.
Drawings
FIG. 1 is a schematic view of an automatic feeding drill contact type distance measuring guide sleeve during operation
FIG. 2 is a schematic view of the structure of the contact type distance measuring guide sleeve of the automatic feeding drill
FIG. 3 is a schematic view of the contact type distance measuring device of the automatic feeding drill
The numbering in the figures illustrates: 1 product, 2 drilling templates, 3 contact type distance measuring probes, 4 displacement sensors, 5 expansion springs, 6 probe connecting rods, 7 distance measuring guide sleeves and 8 digital display meters
Detailed Description
Referring to the attached drawings, the distance measuring guide sleeve of the automatic feed drill of the application, the distance measuring guide sleeve 7 body is matched with a drill jig hole on a drill jig plate 2 and is of a cylindrical structure with a convex shoulder, the center of the distance measuring guide sleeve is provided with a center through hole which is matched with a drill bit of the automatic feed drill, a contact distance measuring instrument and a digital display meter 8 are connected with the distance measuring guide sleeve 7, the contact distance measuring instrument is embedded on a mounting hole of the guide sleeve body and is parallel to the center through hole, the contact distance measuring instrument is connected with the digital display meter 8 through a signal line, the contact distance measuring instrument comprises a contact distance measuring probe 3, a displacement sensor 4, a telescopic spring 5 and a probe connecting rod 6 which are sequentially connected, the probe connecting rod 6 is relatively fixed with the distance measuring guide sleeve 7 body, the telescopic spring 5 is arranged between the displacement sensor 4 and the probe connecting rod 6, and the front end of the displacement sensor 4 is fixedly connected with the contact distance measuring probe 3, the displacement sensor 4 and the contact type distance measuring probe 3 can do telescopic motion relative to the distance measuring guide sleeve 7, and the distance from the front end of the contact type distance measuring probe 3 to the front end face of the distance measuring guide sleeve 7 body is 2-3 centimeters larger than the preset detection distance.
The distance measuring guide sleeve of the automatic feeding drill is used for detecting the actual distance between the drill plate and a product and adjusting the tool setting position of the automatic feeding drill so as to avoid the problem that the depth of a hole making dimple of the automatic feeding drill is difficult to control due to manufacturing errors. The specific method comprises the following steps: 1) using an automatic feeding drill to make holes and recesses on the surface of the product 1 through the drill plate 2, and knowing the theoretical distance between the surface of the drill plate 2 and the surface of the product 1; 2) installing the distance measuring guide sleeve 7 on a drilling die hole of the drilling template 2, enabling the front end of the distance measuring guide sleeve 7 to be flush with the surface of the drilling template 2, and ensuring that the relative position of the distance measuring guide sleeve 7 and the drilling die hole is fixed; 3) actually measuring the deviation value between the actual distance and the theoretical distance between the surface of the drill plate 2 and the surface of the product 1 by a contact distance measuring probe 3 at the front end of a contact distance measuring instrument; 4) the displacement sensor transmits the deviation value to a digital display meter 8 through a signal line for displaying;
5) and finally, adjusting the position parameters of the automatic feeding drill according to the deviation value, and ensuring the quality of the hole making and the dimple forming on the product 1.

Claims (3)

1. A distance measuring guide sleeve of an automatic feeding drill is characterized in that a distance measuring guide sleeve body is matched with a drill jig hole on a drill jig plate and is of a cylindrical structure with a convex shoulder, a central through hole is formed in the center of the distance measuring guide sleeve and is matched with a drill bit of the automatic feeding drill, a contact distance measuring instrument and a digital display meter are connected with the distance measuring guide sleeve, the contact distance measuring instrument is embedded on a mounting hole of the guide sleeve body and is parallel to the central through hole, the contact distance measuring instrument is connected with the digital display meter through a signal line, the contact distance measuring instrument comprises a contact distance measuring probe, a displacement sensor, an expansion spring and a probe connecting rod which are sequentially connected, the probe connecting rod is relatively fixed with the distance measuring guide sleeve body, the expansion spring is arranged between the displacement sensor and the probe connecting rod, the front end of the displacement sensor is fixedly connected with the contact distance measuring probe, and the displacement sensor and the contact distance measuring probe can do expansion movement relative to the distance measuring guide sleeve, the front end of the contact type distance measuring probe extends out of the front end face of the distance measuring guide sleeve body.
2. The distance measuring guide of an automatic feed drill as set forth in claim 1, wherein the front end of the contact type distance measuring probe is extended beyond the front end surface of the distance measuring guide body by a distance greater than a preset detection distance.
3. The method of using a distance measuring guide sleeve of an automatic feed drill according to claim 1 or 2, characterized by comprising the following steps: 1) drilling a hole on the surface of the product through a drilling template by using an automatic feeding drill, wherein the theoretical distance between the surface of the drilling template and the surface of the product is known; 2) installing the ranging guide sleeve on a drilling die hole of a drilling template, and enabling the front end of the ranging guide sleeve to be flush with the surface of the drilling template; 3) actually measuring the deviation value between the actual distance and the theoretical distance between the surface of the drill plate and the surface of the product by a contact distance measuring probe at the front end of the contact distance measuring instrument; 4) the displacement sensor transmits the deviation value to a digital display meter through a signal line to be displayed; 5) and adjusting the position parameters of the automatic feeding drill according to the deviation value.
CN202210404361.7A 2022-04-18 2022-04-18 Distance measuring guide sleeve of automatic feeding drill and use method Active CN114749999B (en)

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Application Number Priority Date Filing Date Title
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CN114749999B CN114749999B (en) 2023-06-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000856A (en) * 2010-12-15 2011-04-06 重庆大江工业有限责任公司 General drill jig
US20140348603A1 (en) * 2013-05-27 2014-11-27 Fuji Jukogyo Kabushiki Kaisha Drilling apparatus and drilling method
CN108168488A (en) * 2018-03-20 2018-06-15 成都飞机工业(集团)有限责任公司 A kind of detection device of contact drilling quality
CN209424577U (en) * 2019-01-07 2019-09-24 辛集市宇泰机械有限公司 For processing the multiaxis bench drill of porous part
CN209614346U (en) * 2018-12-11 2019-11-12 苏州市职业大学 A kind of fixture of axial workpiece drilling radial hole
CN209867460U (en) * 2019-04-26 2019-12-31 遵义天辉机电有限责任公司 Tool for drilling center hole of motor casing
CN113432570A (en) * 2021-05-10 2021-09-24 中航西安飞机工业集团股份有限公司 Measuring tool and measuring method for measuring dimple depth

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000856A (en) * 2010-12-15 2011-04-06 重庆大江工业有限责任公司 General drill jig
US20140348603A1 (en) * 2013-05-27 2014-11-27 Fuji Jukogyo Kabushiki Kaisha Drilling apparatus and drilling method
CN108168488A (en) * 2018-03-20 2018-06-15 成都飞机工业(集团)有限责任公司 A kind of detection device of contact drilling quality
CN209614346U (en) * 2018-12-11 2019-11-12 苏州市职业大学 A kind of fixture of axial workpiece drilling radial hole
CN209424577U (en) * 2019-01-07 2019-09-24 辛集市宇泰机械有限公司 For processing the multiaxis bench drill of porous part
CN209867460U (en) * 2019-04-26 2019-12-31 遵义天辉机电有限责任公司 Tool for drilling center hole of motor casing
CN113432570A (en) * 2021-05-10 2021-09-24 中航西安飞机工业集团股份有限公司 Measuring tool and measuring method for measuring dimple depth

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