CN110834112A - Flexible tool for hole making of profile part and hole making method thereof - Google Patents
Flexible tool for hole making of profile part and hole making method thereof Download PDFInfo
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- CN110834112A CN110834112A CN201910987743.5A CN201910987743A CN110834112A CN 110834112 A CN110834112 A CN 110834112A CN 201910987743 A CN201910987743 A CN 201910987743A CN 110834112 A CN110834112 A CN 110834112A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements 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
- B23Q17/2241—Detection of contact between tool and workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a flexible tool for hole making of profile parts and a hole making method thereof, and belongs to the technical field of conventional machining processes. The invention has the advantages of no need of bench work marking, simple positioning and clamping mode, high efficiency, high drilling quality of parts and the like.
Description
Technical Field
The invention relates to the technical field of conventional machining processes, in particular to a flexible tool for hole making of profile parts and a hole making method thereof.
Background
With the increase of foreign subcontracting projects, the small-structure section parts in foreign civil aircraft continuously increase, and the digital machining efficiency of the small-structure section parts in the foreign civil aircraft is obviously improved. However, due to the lack of the experience of drilling and processing the section parts, the efficiency of drilling and processing the section parts is low, and the processing quality is not high. Therefore, the efficiency of processing the parts and the quality of processing the parts are urgently improved. At present, the number of small-structure section parts is continuously increased, and because part of the parts can not be digitally processed, the bearing number of the small-structure section parts in a civil aircraft is larger year by using a conventional processing technology.
The hole-making precision of the airplane section parts directly influences the later-stage component assembly and system butt joint assembly quality, and the parts are usually aluminum alloys and play an important role in connection of the partition frame and the stringer. The parts mainly bear loads such as bending, shearing, torsion and the like from an airplane fuselage system. Because the number of medium and small structural section parts is large and a large number of holes need to be manufactured, the part has the characteristics of one-step forming, single structure, more holes and the like; due to various factors such as the positioning and clamping of the parts, the selection of the process method and the like. The drilling efficiency of the parts is reduced, the parts are drilled basically by hand, no positioning tool is used, the drilling efficiency is low, the labor rate is increased, the rapid delivery cycle cannot be met, and the production delivery progress is seriously influenced. In order to meet the requirements of customers and the development of digital manufacturing production line technology in the future, holes are made in a part production line for meeting the requirements of section parts.
Disclosure of Invention
The invention provides a flexible tool for making holes of profile parts, which does not need drawing by a fitter, has simple positioning and clamping modes, high efficiency and high part drilling quality, and a hole making method thereof.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a section bar type part is flexible frock for system hole, includes the frock base, its characterized in that: the left and right adjusting device and the up and down adjusting device are arranged on the tool base, the left and right adjusting device comprises a first lead screw, one end of the first lead screw is fixed on the tool base, the other end of the first lead screw penetrates through the side wall of the tool base and is connected with a first hand wheel, first slide rails are arranged on two sides of the first lead screw, a first slide block is sleeved on the first lead screw, two ends of the first slide block are in sliding connection with the first slide rails, a first fixing mechanism is fixedly connected on the first slide block, the up and down adjusting device comprises a second lead screw, one end of the second lead screw is fixed on the tool base, the other end of the second lead screw penetrates through the side wall of the tool base and is connected with a second hand wheel, second slide rails are arranged on two sides of the second lead screw, a second slide block is sleeved on the second lead screw, two ends of the second slide block are in sliding connection with the, the four-connecting-rod rocking handle clamping device fixing device is characterized in that four-connecting-rod rocking handle clamping device mounting holes are formed in the second fixing mechanism, the rear end of the tooling base is connected with a universal base plate through universal bolts, a plurality of four-connecting-rod rocking handle clamping device mounting holes are formed in the universal base plate, and the four-connecting-rod rocking handle clamping devices are fixedly connected with the four-connecting-rod rocking handle clamping devices through bolts at the four-connecting-rod rocking handle clamping device mounting holes.
Preferably, the four-bar rocking handle clamp comprises a support, a handle and a clamping head, one end of the handle and one end of the clamping head are hinged with the support, the handle and the clamping head are further connected through a connecting bar, one end of the connecting bar is hinged with the handle, and the other end of the connecting bar is hinged with the clamping head; the support, the handle, the connecting rod and the clamping head form a four-bar linkage, when the handle and the clamping head are in a clamping state, the free end of the clamping head is tightly attached to a clamped object, and the connecting line of the hinged centers of the two ends of the connecting rod is parallel to the center line of the handle and is vertical to the center line of the clamping head.
A method for drilling a hole on a profile part mainly comprises the following steps of adopting a flexible tool for drilling the hole on the profile part:
A. moving the first fixing mechanism and the second fixing mechanism through the first hand wheel and the second hand wheel according to the size of the section part;
B. selecting universal base plates with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates by using universal bolts, finding out proper four-connecting-rod rocking handle clamp mounting holes in the universal base plates and mounting the four-connecting-rod rocking handle clamps;
C. installing a four-connecting-rod rocking handle clamping device on the second positioning device, positioning the profile part with the second positioning device through the bottom surface of the tool base, and pressing by using the four-connecting-rod rocking handle clamping device to ensure the tool setting precision of the part and the tool in the thickness direction so as to finish the clamping of the profile part;
D. installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen;
E. after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing hole, tool setting precision is verified, drilling quality is guaranteed, according to the requirement of the hole site interval of the process manufacturing outline, a hole site interval scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine;
F. when the first part is inspected, a second part with the same type is installed, and the hole is directly manufactured according to the hole position distance of the first part without scribing the first hole.
Preferably, the length range of the profile type part is 100 mm-300 mm.
Preferably, the profile-like part comprises a web and a reinforcing rib.
Preferably, the web plate is provided with a positioning hole, and the reinforcing rib is provided with an auxiliary processing technical hole.
Preferably, the reinforcing rib is provided with an auxiliary processing process hole or a positioning hole.
The beneficial effects of this technical scheme are as follows:
the method comprises the steps that firstly, new method optimization trial is conducted on parts, and when the method is used, a first fixing mechanism and a second fixing mechanism are moved through a first hand wheel and a second hand wheel according to the size of a section part; selecting universal base plates with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates by using universal bolts, finding out proper four-connecting-rod rocking handle clamp mounting holes in the universal base plates and mounting the four-connecting-rod rocking handle clamps; installing a four-connecting-rod rocking handle clamping device on the second positioning device, positioning the profile part with the second positioning device through the bottom surface of the tool base, and pressing by using the four-connecting-rod rocking handle clamping device to ensure the tool setting precision of the part and the tool in the thickness direction so as to finish the clamping of the profile part; installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen; after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing hole, tool setting precision is verified, drilling quality is guaranteed, according to the requirement of the hole site interval of the process manufacturing outline, a hole site interval scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine; when the first part is inspected, a second part with the same type is installed, the first hole is manufactured without scribing, the hole is manufactured according to the hole position distance of the first part, and the part scribing time is saved; when holes are made in other section parts, only the first fixing mechanism and the second fixing mechanism need to be adjusted, the four-connecting-rod rocking handle clamping device is installed on the universal base plate, a plurality of four-connecting-rod rocking handle clamping device installation holes are formed in the universal base plate, and the universal base plate is replaced according to different positions; the invention achieves the purposes of shortening the processing time of parts, really achieving the quick manufacture of parts, improving the surface quality, reducing the rejection rate and improving the processing efficiency.
Secondly, according to the hole making method for the profile part, provided by the invention, when the web surface is provided with the positioning hole, the rib can be clamped for hole making; when the rib surface is provided with the positioning hole, the web surface can be clamped to form the hole.
Drawings
FIG. 1 is a schematic structural diagram of a flexible tooling for hole making of profile type parts according to the invention;
FIG. 2 is a schematic diagram of the mechanism of the four-bar rocking handle clamp of the present invention;
FIG. 3 is a schematic view of a profile type part;
FIG. 4 is a schematic view of another profile type part;
wherein: 1. a tooling base; 2.1, a first screw rod; 2.2, a first hand wheel; 2.3, a first slide rail; 2.4, a first slide block; 2.5, a first fixing mechanism; 3.1, a second screw rod; 3.2, a second hand wheel; 3.3, a second slide rail; 3.4, a second fixing mechanism; 4. a universal base plate; 5. a four-bar rocking handle clamp; 5.1, a bracket; 5.2, a handle; 5.3, clamping the head; 5.4, connecting rods; 6.1, a web plate; 6.2, reinforcing ribs; 6.3, positioning holes; and 6.4, auxiliary processing of the fabrication holes.
Detailed Description
The method of the present invention will be further described with reference to the drawings and examples, but the present invention is not limited to the examples.
Example 1
As a most basic embodiment of the invention, the embodiment discloses a flexible tooling for hole making of profile type parts, as shown in fig. 1-2, comprising a tooling base 1, a left and right adjusting device and an up and down adjusting device on the tooling base 1, wherein the left and right adjusting device comprises a first screw rod 2.1, one end of the first screw rod 2.1 is fixed on the tooling base 1, the other end of the first screw rod 2.1 passes through the side wall of the tooling base 1 to be connected with a first hand wheel 2.2, two sides of the first screw rod 2.1 are provided with first slide rails 2.3, the first screw rod 2.1 is sleeved with a first slide block 2.4, two ends of the first slide block 2.4 are connected with the first slide rails 2.3 in a sliding manner, the first slide block 2.4 is fixedly connected with a first fixing mechanism 2.5, the up and down adjusting device comprises a second screw rod 3.1, one end of the second screw rod 3.1 is fixed on the tooling base 1, the other end of the second screw rod 3.1 passes through the side wall of the tooling base 1 to be connected with a second, the utility model discloses a four-bar linkage.
Preferably, the four-bar rocking handle clamp 5 comprises a bracket 5.1, a handle 5.2 and a clamping head 5.3, one end of the handle 5.2 and one end of the clamping head 5.3 are hinged with the bracket 5.1, the handle 5.2 and the clamping head 5.3 are also connected through a connecting bar 5.4, one end of the connecting bar 5.4 is hinged with the handle 5.2, and the other end of the connecting bar 5.4 is hinged with the clamping head 5.3; the support 5.1, the handle 5.2, the connecting rod 5.4 and the clamping head 5.3 form a four-connecting-rod 5.4 mechanism, when the handle 5.2 and the clamping head 5.3 are in a clamping state, the free end of the clamping head 5.3 is tightly attached to a clamped object, and the connecting line of the hinge centers of the two ends of the connecting rod 5.4 is parallel to the center line of the handle 5.2 and is vertical to the center line of the clamping head 5.3.
A method for drilling a hole on a profile part mainly comprises the following steps of adopting a flexible tool for drilling the hole on the profile part:
A. according to the size of the section bar parts, a first fixing mechanism 2.5 and a second fixing mechanism 3.4 are moved through a first hand wheel 2.2 and a second hand wheel 3.2;
B. selecting universal base plates 4 with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates 4 by using universal bolts, finding appropriate mounting holes of the four-bar rocking handle clamp 5 in the universal base plates 4, and mounting the four-bar rocking handle clamp 5;
C. a four-connecting-rod rocking handle clamping device 5 is installed on the second positioning device, the profile part is positioned with the second positioning device through the bottom surface of the tool base, the four-connecting-rod rocking handle clamping device 5 is used for pressing, the tool setting precision of the part and the tool in the thickness direction is guaranteed, and clamping of the profile part is completed;
D. installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen;
E. after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing process hole 6.4, tool setting accuracy is verified, drilling quality is guaranteed, according to the requirement of the process manufacturing outline hole site distance, a hole site distance scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine;
F. when the first part is inspected, a second part with the same type is installed, and the hole is directly manufactured according to the hole position distance of the first part without scribing the first hole.
The invention carries out new method optimization test on parts, and when in use, the first fixing mechanism 2.5 and the second fixing mechanism 3.4 are moved through the first hand wheel 2.2 and the second hand wheel 3.2 according to the size of the section part; selecting universal base plates 4 with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates 4 by using universal bolts, finding appropriate mounting holes of the four-bar rocking handle clamp 5 in the universal base plates 4, and mounting the four-bar rocking handle clamp 5; a four-connecting-rod rocking handle clamping device 5 is installed on the second positioning device, the profile part is positioned with the second positioning device through the bottom surface of the tool base, the four-connecting-rod rocking handle clamping device 5 is used for pressing, the tool setting precision of the part and the tool in the thickness direction is guaranteed, and clamping of the profile part is completed; installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen; after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing process hole 6.4, tool setting accuracy is verified, drilling quality is guaranteed, according to the requirement of the process manufacturing outline hole site distance, a hole site distance scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine; when the first part is inspected, a second part with the same type is installed, the first hole is manufactured without scribing, the hole is manufactured according to the hole position distance of the first part, and the part scribing time is saved; when holes are made in other section parts, only the first fixing mechanism 2.5 and the second fixing mechanism 3.4 need to be adjusted, the four-connecting-rod rocking handle clamping device 5 is installed on the universal base plate 4, a plurality of installation holes of the four-connecting-rod rocking handle clamping device 5 are formed in the universal base plate 4, and the universal base plate 4 is replaced according to different positions; the invention achieves the purposes of shortening the processing time of parts, really achieving the quick manufacture of parts, improving the surface quality, reducing the rejection rate and improving the processing efficiency.
Example 2
As a most basic embodiment of the invention, the embodiment discloses a flexible tooling for hole making of profile type parts, as shown in fig. 1-2, comprising a tooling base 1, a left and right adjusting device and an up and down adjusting device on the tooling base 1, wherein the left and right adjusting device comprises a first screw rod 2.1, one end of the first screw rod 2.1 is fixed on the tooling base 1, the other end of the first screw rod 2.1 passes through the side wall of the tooling base 1 to be connected with a first hand wheel 2.2, two sides of the first screw rod 2.1 are provided with first slide rails 2.3, the first screw rod 2.1 is sleeved with a first slide block 2.4, two ends of the first slide block 2.4 are connected with the first slide rails 2.3 in a sliding manner, the first slide block 2.4 is fixedly connected with a first fixing mechanism 2.5, the up and down adjusting device comprises a second screw rod 3.1, one end of the second screw rod 3.1 is fixed on the tooling base 1, the other end of the second screw rod 3.1 passes through the side wall of the tooling base 1 to be connected with a second, the utility model discloses a four-bar linkage.
Preferably, the four-bar rocking handle clamp 5 comprises a bracket 5.1, a handle 5.2 and a clamping head 5.3, one end of the handle 5.2 and one end of the clamping head 5.3 are hinged with the bracket 5.1, the handle 5.2 and the clamping head 5.3 are also connected through a connecting bar 5.4, one end of the connecting bar 5.4 is hinged with the handle 5.2, and the other end of the connecting bar 5.4 is hinged with the clamping head 5.3; the support 5.1, the handle 5.2, the connecting rod 5.4 and the clamping head 5.3 form a four-connecting-rod 5.4 mechanism, when the handle 5.2 and the clamping head 5.3 are in a clamping state, the free end of the clamping head 5.3 is tightly attached to a clamped object, and the connecting line of the hinge centers of the two ends of the connecting rod 5.4 is parallel to the center line of the handle 5.2 and is vertical to the center line of the clamping head 5.3.
A method for drilling a hole on a profile part mainly comprises the following steps of adopting a flexible tool for drilling the hole on the profile part:
A. according to the size of the section bar parts, a first fixing mechanism 2.5 and a second fixing mechanism 3.4 are moved through a first hand wheel 2.2 and a second hand wheel 3.2;
B. selecting universal base plates 4 with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates 4 by using universal bolts, finding appropriate mounting holes of the four-bar rocking handle clamp 5 in the universal base plates 4, and mounting the four-bar rocking handle clamp 5;
C. a four-connecting-rod rocking handle clamping device 5 is installed on the second positioning device, the profile part is positioned with the second positioning device through the bottom surface of the tool base, the four-connecting-rod rocking handle clamping device 5 is used for pressing, the tool setting precision of the part and the tool in the thickness direction is guaranteed, and clamping of the profile part is completed;
D. installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen;
E. after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing process hole 6.4, tool setting accuracy is verified, drilling quality is guaranteed, according to the requirement of the process manufacturing outline hole site distance, a hole site distance scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine;
F. when the first part is inspected, a second part with the same type is installed, and the hole is directly manufactured according to the hole position distance of the first part without scribing the first hole.
Preferably, the length range of the profile type part is 100 mm-300 mm.
As shown in fig. 3 and 4, the profile-like part preferably comprises a web 6.1 and a reinforcement rib 6.2.
Preferably, the reinforcing rib 6.2 is provided with an auxiliary processing process hole 6.4 or a positioning hole 6.3.
The invention carries out new method optimization test on parts, and when in use, the first fixing mechanism 2.5 and the second fixing mechanism 3.4 are moved through the first hand wheel 2.2 and the second hand wheel 3.2 according to the size of the section part; selecting universal base plates 4 with different sizes according to the sizes of the section parts, connecting the side surfaces of the section parts with the universal base plates 4 by using universal bolts, finding appropriate mounting holes of the four-bar rocking handle clamp 5 in the universal base plates 4, and mounting the four-bar rocking handle clamp 5; a four-connecting-rod rocking handle clamping device 5 is installed on the second positioning device, the profile part is positioned with the second positioning device through the bottom surface of the tool base, the four-connecting-rod rocking handle clamping device 5 is used for pressing, the tool setting precision of the part and the tool in the thickness direction is guaranteed, and clamping of the profile part is completed; installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen; after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing process hole 6.4, tool setting accuracy is verified, drilling quality is guaranteed, according to the requirement of the process manufacturing outline hole site distance, a hole site distance scale value is set on a radial drilling machine, and finally batch hole making is completed according to the size scale of the radial drilling machine; when the first part is inspected, a second part with the same type is installed, the first hole is manufactured without scribing, the hole is manufactured according to the hole position distance of the first part, and the part scribing time is saved; when holes are made in other section parts, only the first fixing mechanism 2.5 and the second fixing mechanism 3.4 need to be adjusted, the four-connecting-rod rocking handle clamping device 5 is installed on the universal base plate 4, a plurality of installation holes of the four-connecting-rod rocking handle clamping device 5 are formed in the universal base plate 4, and the universal base plate 4 is replaced according to different positions; the invention achieves the purposes of shortening the processing time of parts, really achieving the quick manufacture of parts, improving the surface quality, reducing the rejection rate and improving the processing efficiency. When the web 6.1 surface is provided with the positioning hole 6.3, the rib can be clamped to make a hole; when the rib surface is provided with the positioning hole 6.3, the web 6.1 surface can be clamped for hole making.
Claims (7)
1. The utility model provides a section bar type part is flexible frock for system hole, includes fixture base (1), its characterized in that: the tool base (1) is provided with a left-right adjusting device and an up-down adjusting device, the left-right adjusting device comprises a first lead screw (2.1), one end of the first lead screw (2.1) is fixed on the tool base (1), the other end of the first lead screw (2.1) penetrates through the side wall of the tool base (1) and is connected with a first hand wheel (2.2), two sides of the first lead screw (2.1) are provided with first slide rails (2.3), the first lead screw (2.1) is sleeved with a first slide block (2.4), two ends of the first slide block (2.4) are in sliding connection with the first slide rails (2.3), the first slide block (2.4) is fixedly connected with a first fixing mechanism (2.5), the up-down adjusting device comprises a second lead screw (3.1), one end of the second lead screw (3.1) is fixed on the tool base (1), and the other end of the second lead screw (3.1) penetrates through the side wall of the tool base (1) and is connected with a second hand wheel (3.2), second lead screw (3.1) both sides are provided with second slide rail (3.3), the cover is equipped with the second slider on second lead screw (3.1), second slider both ends and second slide rail (3.3) sliding connection, fixed connection second fixed establishment (3.4) on the second slider, be provided with four connecting rod rocking handle binding clasp mounting holes on second fixed establishment (3.4), frock base (1) rear end passes through universal bolt and links to each other with general backing plate (4), set up a plurality of four connecting rod rocking handle binding clasp mounting holes on general backing plate (4), four connecting rod rocking handle binding clasp mounting holes department passes through bolt fixed connection four connecting rod rocking handle binding clasp (5).
2. The flexible tool for hole making of the profile type part according to claim 1, wherein the flexible tool comprises: the four-connecting-rod rocking handle clamping device (5) comprises a support (5.1), a handle (5.2) and a clamping head (5.3), one end of the handle (5.2) and one end of the clamping head (5.3) are hinged to the support (5.1), the handle (5.2) and the clamping head (5.3) are further connected through a connecting rod (5.4), one end of the connecting rod (5.4) is hinged to the handle (5.2), and the other end of the connecting rod (5.4) is hinged to the clamping head (5.3); the support (5.1), the handle (5.2), the connecting rod (5.4) and the clamping head (5.3) form a four-connecting-rod (5.4) mechanism, when the handle (5.2) and the clamping head (5.3) are in a clamping state, the free end of the clamping head (5.3) is tightly attached to a clamped object, and the connecting line of the hinge centers at the two ends of the connecting rod (5.4) is parallel to the central line of the handle (5.2) and is vertical to the central line of the clamping head (5.3).
3. A method for drilling a hole on a profile part mainly comprises the following steps of adopting a flexible tool for drilling the hole on the profile part:
A. according to the size of the section bar part, a first fixing mechanism (2.5) and a second fixing mechanism (3.4) are moved through a first hand wheel (2.2) and a second hand wheel (3.2);
B. according to the size of the section part, selecting universal base plates (4) with different sizes, connecting the side faces of the section part with the universal base plates (4) by using universal bolts, finding a proper mounting hole of the four-connecting-rod rocking handle clamp (5) on the universal base plates (4) and mounting the four-connecting-rod rocking handle clamp (5);
C. a four-connecting-rod rocking handle clamping device (5) is installed on the second positioning device, the profile part is positioned with the second positioning device through the bottom surface of the tool base, the four-connecting-rod rocking handle clamping device (5) is used for pressing, the tool setting precision of the part and the tool in the thickness direction is guaranteed, and clamping of the profile part is completed;
D. installing a dial indicator on a main shaft head of a drilling machine, accurately setting the tool, displaying scales according to the dial indicator in the tool setting process, taking 0.01mm as the tool setting feeding amount, and finishing tool setting when tiny chips can be seen;
E. after clamping and tool setting of the profile parts are completed, according to a first completed auxiliary processing hole (6.4), tool setting precision is verified, drilling quality is guaranteed, according to the requirement of the hole site interval of the process manufacturing outline, a hole site interval scale value is set on a radial drilling machine, and finally batch hole manufacturing is completed according to the size scale of the radial drilling machine;
F. when the first part is inspected, a second part with the same type is installed, and the hole is directly manufactured according to the hole position distance of the first part without scribing the first hole.
4. A method of making a hole in a profile part according to claim 3, wherein: the length range of the section part is 100 mm-300 mm.
5. A method of making a hole in a profile part according to claim 3, wherein: the profile-type part comprises a web (6.1) and a reinforcement (6.2).
6. A method of making a hole in a profile part according to claim 5, wherein: the web plate (6.1) is provided with a positioning hole (6.3), and the reinforcing rib (6.2) is provided with an auxiliary processing technical hole (6.4).
7. A method of making a hole in a profile part according to claim 5, wherein: and auxiliary processing process holes (6.4) or positioning holes (6.3) are arranged on the reinforcing ribs (6.2).
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