CN113275618B - Machine tool and method for machining round holes of automobile body-in-white parts - Google Patents

Machine tool and method for machining round holes of automobile body-in-white parts Download PDF

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Publication number
CN113275618B
CN113275618B CN202110656885.0A CN202110656885A CN113275618B CN 113275618 B CN113275618 B CN 113275618B CN 202110656885 A CN202110656885 A CN 202110656885A CN 113275618 B CN113275618 B CN 113275618B
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Prior art keywords
side wall
rod
movably
seat
base
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CN113275618A (en
Inventor
曹岩
白瑀
李一青
党云鹏
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Xian Technological University
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Xian Technological University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a round hole processing machine tool for automobile body-in-white parts, which comprises: a base; the main body structure is fixedly arranged on the upper wall of the left end of the base and is positioned on the rear side of the central line; a drilling structure fixedly disposed on the body structure; the clamping structure is fixedly arranged on the central line of the upper wall of the base, is positioned on the right side of the main body frame and is positioned on the rear side of the left side wall of the base along the central line; the auxiliary structure is detachably arranged on the upper wall of the base and is positioned in the center of the front end, the invention relates to the technical field of automobile production, and the auxiliary structure can be used for clamping and fixing various workpieces in irregular shapes through the clamping structure and is convenient to operate; the auxiliary structure can realize reference and limiting of the drilling position according to the corresponding aperture size, so that drilling is more accurate; the drill bit horizontal position and the lifting operation can be conveniently adjusted through the matching of the main body structure and the drilling structure, so that the whole body is not only labor-saving and material-saving, but also the operation control is convenient, and the drilling is more accurate.

Description

Machine tool and method for machining round holes of automobile body-in-white parts
Technical Field
The invention relates to the technical field of automobile production, in particular to a circular hole machining machine tool and a method for automobile body-in-white parts.
Background
In the production of automobile body-in-white parts, small parts with irregular shapes are involved, and round holes for mounting, riveting and the like are distributed on the surfaces of the small parts; however, in the existing production mode, parts are positioned by using special tools, and then the parts are machined by a five-axis linkage numerical control machine tool according to a pre-programmed program;
however, due to the fact that purchasing and production costs of the five-axis linkage numerical control machine tool are high, the five-axis linkage numerical control machine tool is large in size, a machining position needs to be precisely calculated or lineation is conducted before machining, and operation and control are difficult, the automobile body-in-white part circular hole machining machine tool and the machining method are designed.
Disclosure of Invention
The invention aims to provide a machine tool and a method for processing round holes of automobile body-in-white parts, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a white automobile body spare part round hole machine tool of car which characterized in that includes:
a base;
the main body structure is fixedly arranged on the upper wall of the left end of the base and is positioned on the rear side of the central line;
a drilling structure fixedly disposed on the body structure;
the clamping structure is fixedly arranged on the upper wall of the base, is positioned on the front wall of the base along the central line and is positioned on the rear side of the left side wall of the base along the central line;
the auxiliary structure is detachably arranged on the central line of the upper wall of the base and is positioned on the right side of the main structure;
the main body structure comprises: the device comprises a main body frame, a hydraulic cylinder, a limiting seat and a sliding frame;
the hydraulic cylinder is fixedly embedded in the bottom end of the main body frame, the limiting seat is movably sleeved on the main body frame and is fixedly connected with the telescopic end of the hydraulic cylinder, the sliding frame is of a rectangular frame structure, and one end of the sliding frame is fixedly welded on the right side wall of the limiting seat and is parallel to the base;
the drilling structure includes: the device comprises a moving block, a spiral rod, a first rotating handle, a mounting plate, a motor, a transfer pipe, a first fastening bolt and a drill bit;
the moving block is movably embedded in the sliding frame, a spiral through hole is arranged at the central part of the left side wall of the moving block, one end of the screw rod is movably embedded in the central part of the left side wall in the sliding frame, the other end of the screw rod movably penetrates through the spiral through hole of the moving block, and movably penetrates through the right side wall of the sliding frame, the first rotating handle is fixedly sleeved on the other end of the screw rod, the mounting plate is fixedly welded on the lower wall of the moving block, first fastening threaded holes with the same structure are formed in the center parts of the front end and the rear end, the motor is fixedly arranged on the lower wall of the mounting plate, one end of the adapter tube is fixedly sleeved on the driving end of the motor, and a second fastening threaded hole is formed in the side wall of the other end of the drill bit, one end of the first fastening bolt movably penetrates through the second fastening threaded hole in the other end of the adapter tube and is screwed with the adapter tube, and one end of the drill bit is detachably inserted into the other end of the adapter tube.
Preferably, the clamping structure comprises: the clamping device comprises a clamping seat, a switching rod, a clamping jaw, a pull rod, a spring and a second rotating handle;
the clamping seat is fixedly welded on a central line of the upper wall of the base and is positioned on the right side of the main body frame, a through countersunk hole is formed in the central line of the top end of the left side wall of the clamping seat, one end of the adapter rod is fixedly welded on the left side wall of the clamping seat and is positioned on the central line, the bottom end of the clamping jaw is movably arranged at the other end of the adapter rod, a rectangular swinging opening is formed in the position, close to the center, of the left side wall, a swinging groove communicated with the rectangular swinging opening is formed in each of the front side wall and the rear side wall of the left side wall, the pull rod is of a T-shaped column structure, the diameter of one end of the pull rod is larger than that of the other end of the pull rod, inclined threads are formed on the periphery of the outer side wall of the other end of the pull rod, one end of the pull rod is movably embedded in the rectangular swinging opening of the clamping jaw, adapter columns are respectively and are movably inserted in the swinging grooves, the other end of the pull rod movably penetrates through the countersunk hole of the clamping seat, and the spring is movably sleeved on one end of the pull rod, and the second rotating handle is movably and rotatably connected to the other end of the pull rod.
Preferably, the auxiliary structure comprises: the auxiliary seat, a pair of second fastening bolts with the same structure, an adjusting rod, an adjusting bolt, an auxiliary plate and a nut;
the bottom end of the auxiliary seat is detachably arranged on the upper wall of the base and is positioned at the position of the mounting threaded hole, a fastening groove is formed in the central position of the front side wall of the top end, a pair of second fastening bolts respectively and movably penetrates through the left side and the right side of the bottom end of the auxiliary seat and is respectively and movably screwed in the mounting threaded hole in the upper wall of the base, the adjusting rod is of a round rod structure, the central position of the upper wall of the top end is of a threaded rod structure, the bottom end of the adjusting rod is movably inserted in the auxiliary seat, a adjusting threaded hole is formed in the central position of the front side wall, the adjusting bolts movably penetrate through the fastening groove in the front side wall of the auxiliary seat and are movably screwed in the adjusting threaded hole in the front side wall of the adjusting rod, the auxiliary plate is of a rectangular structure, a rectangular groove is formed in the central position of one end, a plurality of reference holes with different diameters are formed in the central line of the other end, one end of the auxiliary plate is movably sleeved on the top end of the adjusting rod, the nut is movably screwed at the top end of the adjusting rod.
Preferably, the auxiliary seat is of a T-shaped structure, and the top end of the auxiliary seat is of a tubular structure.
Preferably, the clamping seat and the clamping jaw are both L-shaped structures.
Preferably, the moving block is of an H-shaped structure.
Preferably, the limiting seat is of a circular ring structure, the bearing block is fixedly welded between the left side wall and the right side wall in the limiting seat, the left end and the right end of the bearing block respectively and movably penetrate through the adjusting groove, and the bearing block is fixedly welded on the telescopic end of the hydraulic cylinder.
A circular hole machining machine tool for automobile body-in-white parts and a construction method thereof comprise the following steps:
firstly, with the help of stable support of a base, one end of a workpiece is placed on a clamping seat in a clamping structure, the position and the direction of a hole are determined, a pull rod is connected with a second rotating handle in a rotating mode by rotating the second rotating handle, one end of the pull rod is pulled rightwards, a clamping jaw is driven to turn over on the switching rod, the clamping jaw is matched with the clamping seat to be clamped and fixed with the help of the action force of a spring, and workpieces in various shapes can be clamped according to the designed shapes of the clamping seat and the clamping jaw;
secondly, according to the punching requirement, the position of an auxiliary plate on an adjusting rod in the auxiliary structure can be adjusted, so that a corresponding reference hole corresponds to the punching position of the workpiece, and the auxiliary plate is fastened by virtue of a nut, so that the auxiliary plate can limit punching and also has the reference and visual observation effects; the height of the adjusting rod in the auxiliary seat fixed by the second fastening bolt can be adjusted by means of the adjusting bolt, and the adjusting rod is matched with the workpiece to realize fit;
thirdly, finally, rotating a first rotating handle in the drilling structure according to requirements to drive a screw rod to rotate in a sliding frame in the main structure, further driving a motor fixed on a mounting plate to move by being stressed on the sliding frame to drive the drill bit to be aligned with a drilling position, controlling the motor to drive, simultaneously controlling a hydraulic cylinder in the main frame in the main structure to slowly descend, and driving the drill bit on the sliding frame to descend in a driven manner through limiting movement of a limiting seat on the main frame to realize drilling operation; the first fastening bolt can also be rotated to replace drill bits with different diameters fixed on the adapter tube.
The invention provides a circular hole machining machine tool and method for automobile body-in-white parts and a construction method, and has the beneficial effects that:
1. according to the invention, various workpieces with irregular shapes can be clamped and fixed through the clamping structure, and the operation is convenient;
2. according to the invention, the reference and the limiting of the drilling position can be realized according to the corresponding aperture size through the auxiliary structure, so that the drilling is more accurate;
3. according to the invention, the horizontal position of the drill bit and the lifting operation can be conveniently adjusted through the matching of the main body structure and the drilling structure, so that not only are manpower and material resources saved, but also the operation and control are convenient, and the drilling is more accurate.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic view of the assembled structure of the present invention;
FIG. 3 is an enlarged view of the part A of the present invention;
fig. 4 is an enlarged sectional view of the holder of the present invention.
In the figure: 1. the device comprises a base, 2, a main body structure, 21, a main body frame, 22, a hydraulic cylinder, 23, a limiting seat, 24, a sliding frame, 3, a drilling structure, 31, a moving block, 32, a screw rod, 33, a first rotating handle, 34, a mounting plate, 35, a motor, 36, an adapter tube, 37, a first fastening bolt, 38, a drill bit, 4, a clamping structure, 41, a clamping seat, 42, an adapter rod, 43, a clamping jaw, 44, a pull rod, 45, a spring, 46, a second rotating handle, 5, an auxiliary structure, 51, an auxiliary seat, 52, a second fastening bolt, 53, an adjusting rod, 54, an adjusting bolt, 55, an auxiliary plate, 56 and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a white automobile body spare part round hole machine tool of car which characterized in that includes: a base 1; the main body structure 2 is fixedly arranged on the upper wall of the left end of the base 1 and is positioned at the rear side of the central line; a drilling structure 3 fixedly arranged on the main body structure 2; the clamping structure 4 is fixedly arranged below the center of the upper wall of the base 1, is positioned on the right side of the bottom main body structure 2 and is positioned on the rear side of the left side wall of the base 1 along the central line; the auxiliary structure 5 is detachably arranged on the upper wall of the base 1 and is positioned at the center of the front end; the main body structure 2 includes: a main body frame 21, a hydraulic cylinder 22, a limit seat 23 and a sliding frame 24; the base 1 is of a rectangular structure, a pair of mounting threaded holes with the same structure are formed in the left side and the right side of the central line of the front end of the upper wall, the main body frame 21 is of a tubular structure, regulating grooves with the same structure and a through structure are formed in the central positions of the left side wall and the right side wall of the top end, the bottom end of the main body frame 21 is fixedly welded on the upper wall of the left end of the base 1 and is positioned on the rear side of the central line, the hydraulic cylinder 22 is fixedly embedded in the bottom end of the main body frame 21, the limiting seat 23 is movably sleeved on the main body frame 21 and is fixedly connected with the telescopic end of the hydraulic cylinder 22, the sliding frame 24 is of a rectangular frame structure, and one end of the sliding frame 24 is fixedly welded on the right side wall of the limiting seat 23 and is parallel to the base 1; the descending operation can be conveniently controlled through the main structure 2; the drilling structure 3 includes: the device comprises a moving block 31, a screw rod 32, a first rotating handle 33, a mounting plate 34, a motor 35, an adapter tube 36, a first fastening bolt 37 and a drill 38; the moving block 31 is movably embedded in the sliding frame 24, a spiral through hole is arranged at the central part of the left side wall of the moving block, one end of the spiral rod 32 is movably embedded in the central part of the left side wall in the sliding frame 24, the other end of the spiral rod movably penetrates through the spiral through hole of the moving block 31, and movably penetrates through the right side wall of the sliding frame 24, a first rotating handle 33 is fixedly sleeved on the other end of the screw rod 32, a mounting plate 34 is fixedly welded on the lower wall of the moving block 31, and the center parts of the front and rear ends are respectively provided with a first fastening threaded hole with the same structure, the motor 35 is fixedly arranged on the lower wall of the mounting plate 34, one end of the adapter tube 36 is fixedly sleeved on the driving end of the motor 35, and the side wall of the other end is provided with a second fastening threaded hole, one end of the first fastening bolt 37 movably penetrates through the second fastening threaded hole at the other end of the adapter tube 36, and is screwed with the adapter tube 36, one end of the drill bit 38 is detachably inserted into the other end of the adapter tube 36; the drilling structure 3 can be used for conveniently driving drilling and horizontally adjusting the drilling position.
Preferably, the holding structure 4 further comprises: the clamping seat 41, the adapter rod 42, the clamping jaw 43, the pull rod 44, the spring 45 and the second rotating handle 46;
the clamping seat 41 is fixedly welded on the central line of the upper wall of the base 1 and is positioned at the right side of the main body frame 21, a through countersunk hole is arranged on the central line of the top end of the left side wall of the clamping seat, one end of the adapter rod 42 is fixedly welded on the left side wall of the clamping seat 41 and is positioned on the central line, the bottom end of the clamping jaw 43 is movably arranged at the other end of the adapter rod 42, a rectangular swinging opening is arranged at the position of the left side wall close to the central position, swinging grooves communicated with the rectangular swinging openings are respectively arranged on the front side wall and the rear side wall of the left side wall, the pull rod 44 is of a T-shaped column structure, the diameter of one end is larger than that of the other end, inclined threads are respectively arranged on the circumference of the outer side wall of the other end, one end of the pull rod 44 is movably embedded in the rectangular swinging opening of the clamping jaw 43, adapter columns are respectively arranged on the front side wall and the rear side wall of one end, the adapter columns are movably inserted in the swinging grooves, the other end of the pull rod movably penetrates through the countersunk hole of the clamping seat 41, the spring 45 is movably sleeved on one end of the pull rod 44, and is positioned in a countersunk hole at the left side of the clamping seat 41, a rotary threaded hole is formed at the central part of the second rotating handle 46, and the second rotating handle 46 is movably and rotatably connected to the other end of the pull rod 44.
Preferably, the auxiliary structure 5 further comprises: an auxiliary seat 51, a pair of second fastening bolts 52 having the same structure, an adjustment lever 53, an adjustment bolt 54, an auxiliary plate 55, and a nut 56;
the bottom end of the auxiliary seat 51 is detachably arranged on the upper wall of the base 1 and is positioned at the position of a mounting threaded hole, a fastening groove is formed in the center of the front side wall of the top end, a pair of second fastening bolts 52 respectively and movably penetrates through the left side and the right side of the bottom end of the auxiliary seat 51 and is respectively and movably screwed in mounting threaded holes in the upper wall of the base 1, the adjusting rod 53 is of a round rod structure, the center of the upper wall of the top end is of a threaded rod structure, the bottom end of the adjusting rod 53 is movably inserted in the auxiliary seat 51, a adjusting threaded hole is formed in the center of the front side wall, an adjusting bolt 54 movably penetrates through the fastening groove in the front side wall of the auxiliary seat 51 and is movably screwed in the adjusting threaded hole in the front side wall of the adjusting rod 53, the auxiliary plate 55 is of a rectangular structure, a rectangular groove is formed in the center of one end, a plurality of reference holes with different diameters are formed on the center line of the other end, one end of the auxiliary plate 55 is movably sleeved on the top end of the adjusting rod 53, the nut 56 is movably screwed on the top end of the adjusting rod 53.
Preferably, the auxiliary seat 51 is a T-shaped structure and the top end is a tubular structure for designing the adjusting requirement.
Preferably, the holder 41 and the clamping jaw 43 are both L-shaped, so as to facilitate clamping and fixing.
Preferably, the moving block 31 is an H-shaped structure, so that the movement is limited conveniently.
As a preferred scheme, further, the limiting seat 23 is a circular ring structure, a bearing block is fixedly welded between the left and right side walls in the limiting seat 23, and the left and right ends of the bearing block respectively and movably penetrate through the adjusting groove and are fixedly welded on the telescopic end of the hydraulic cylinder 22 for designing and installing requirements.
Example (b): as can be seen from the accompanying fig. 1-4 of the specification: a circular hole machining machine tool and method for automobile body-in-white parts comprise the following steps:
firstly, with the help of the stable support of the base 1, one end of a workpiece is placed on a clamping seat 41 in a clamping structure 4, the position and the direction of a hole are determined, and a pull rod 44 is screwed with a second rotating handle 46 by rotating the second rotating handle 46, so that one end of the pull rod 44 is pulled rightwards, a clamping jaw 43 is driven to turn over on a switching rod 42 and is matched with the clamping seat 41 to be clamped and fixed by the aid of the action force of a spring 45, and workpieces in various shapes can be clamped according to the designed shapes of the clamping seat 41 and the clamping jaw 43;
secondly, according to the punching requirement, the position of an auxiliary plate 55 on an adjusting rod 53 in the auxiliary structure 5 can be adjusted, so that a corresponding reference hole corresponds to the punching position of the workpiece, and the corresponding reference hole is fastened by a nut 56, so that the position-limiting punching can be performed, and the reference and visual observation effects can be realized; the height of the adjusting rod 53 in the auxiliary seat 51 fixed by the second fastening bolt 52 can be adjusted by the adjusting bolt 54, and the adjusting rod is matched with the workpiece to realize fit;
step three, finally, rotating a first rotating handle 33 in the drilling structure 3 according to requirements to drive a screw rod 32 to rotate in a sliding frame 24 in the main structure 2, further driving a moving block 31 to move on the sliding frame 24 under the force of the force to drive a motor 35 fixed on a mounting plate 34 to move, so that a drill bit 38 is aligned with a drilling position, controlling the motor 35 to drive, simultaneously controlling a hydraulic cylinder 22 in a main frame 21 in the main structure 2 to slowly descend, and driving the drill bit 38 on the sliding frame 24 to descend in a driven manner through the limiting movement of a limiting seat 23 on the main frame 21 to realize drilling operation; the first tightening bolt 37 can also be turned to replace a drill 38 of a different diameter fixed to the adapter tube 36.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a white automobile body spare part round hole machine tool of car which characterized in that includes:
a base (1);
the main body structure (2) is fixedly arranged on the upper wall of the left end of the base (1) and is positioned on the rear side of the central line;
a drilling structure (3) fixedly arranged on the main body structure (2);
the clamping structure (4) is fixedly arranged on the upper wall of the base (1) and is positioned on the central line of the front wall of the base (1);
the auxiliary structure (5) is detachably arranged on the upper wall of the base (1) and is positioned at the center of the front end;
the body structure (2) comprises: a main body frame (21), a hydraulic cylinder (22), a limiting seat (23) and a sliding frame (24);
the base (1) is of a rectangular structure, a pair of mounting threaded holes with the same structure are formed in the left side and the right side of the central line of the front end of the upper wall, the main body frame (21) is of a tubular structure, through adjusting grooves with the same structure are formed in the central positions of the left side wall and the right side wall of the top end, the bottom end of the main body frame (21) is fixedly welded to the upper wall of the left end of the base (1) and is located on the rear side of the central line, the hydraulic cylinder (22) is fixedly embedded in the bottom end of the main body frame (21), the limiting seat (23) is movably sleeved on the main body frame (21) and is fixedly connected with the telescopic end of the hydraulic cylinder (22), the sliding frame (24) is of a rectangular frame structure, and one end of the sliding frame (24) is fixedly welded to the right side wall of the limiting seat (23) and is parallel to the base (1);
the drilling structure (3) comprises: the device comprises a moving block (31), a screw rod (32), a first rotating handle (33), a mounting plate (34), a motor (35), an adapter tube (36), a first fastening bolt (37) and a drill bit (38);
the movable block (31) is movably embedded in the sliding frame (24), a spiral through hole is formed in the center of the left side wall of the movable block, one end of a spiral rod (32) is movably embedded in the center of the left side wall of the sliding frame (24), the other end of the spiral rod movably penetrates through the spiral through hole of the movable block (31) and movably penetrates through the right side wall of the sliding frame (24), a first rotating handle (33) is fixedly sleeved on the other end of the spiral rod (32), the mounting plate (34) is fixedly welded on the lower wall of the movable block (31), first fastening threaded holes with the same structure are formed in the center of the front end and the rear end of the movable block, the motor (35) is fixedly arranged on the lower wall of the mounting plate (34), one end of the adapter tube (36) is fixedly sleeved on the driving end of the motor (35), a second fastening threaded hole is formed in the side wall of the other end of the adapter tube (36), one end of the first fastening bolt (37) movably penetrates through the second fastening threaded hole in the other end of the adapter tube (36), and is screwed with the adapter tube (36), and one end of the drill bit (38) is detachably inserted into the other end of the adapter tube (36).
2. The machine tool for machining the round hole of the automobile body-in-white part according to claim 1, wherein: the clamping structure (4) comprises: the clamping device comprises a clamping seat (41), an adapter rod (42), a clamping jaw (43), a pull rod (44), a spring (45) and a second rotating handle (46);
the clamping seat (41) is fixedly welded on the upper wall of the base (1), a through countersunk hole is formed in the center line of the top end of the left side wall of the clamping seat, one end of the adapter rod (42) is fixedly welded on the left side wall of the clamping seat (41) and is positioned on the center line, the bottom end of the clamping jaw (43) is movably arranged at the other end of the adapter rod (42), a rectangular swinging opening is formed in the position, close to the center, of the left side wall, swinging grooves communicated with the rectangular swinging openings are formed in the front side wall and the rear side wall of the left side wall, the pull rod (44) is of a T-shaped column structure, the diameter of one end of the pull rod is larger than that of the other end of the pull rod, oblique threads are formed in the circumference of the outer side wall of the other end of the pull rod, one end of the pull rod (44) is movably embedded in the rectangular swinging opening of the clamping jaw (43), adapter columns are formed in the front side wall and the rear side wall of one end of the front side wall and the rear side wall of the other end of the pull rod and are movably inserted in the swinging grooves respectively, and the other end of the pull rod (44) is movably penetrated in the countersunk hole of the clamping seat (41), the spring (45) is movably sleeved on one end of the pull rod (44) and is positioned in a countersunk hole in the left side of the clamping seat (41), a rotary threaded hole is formed in the center of the second rotating handle (46), and the second rotating handle (46) is movably screwed on the other end of the pull rod (44).
3. The round hole processing machine tool for the automobile body-in-white parts as claimed in claim 2, characterized in that: the auxiliary structure (5) comprises: an auxiliary seat (51), a pair of second fastening bolts (52) with the same structure, an adjusting rod (53), an adjusting bolt (54), an auxiliary plate (55) and a nut (56);
the bottom end of the auxiliary seat (51) is detachably arranged on the upper wall of the base (1) and is positioned at the position of a mounting threaded hole, a fastening groove is formed in the center of the front side wall of the top end, a pair of second fastening bolts (52) respectively and movably penetrate through the left side and the right side of the bottom end of the auxiliary seat (51) and are respectively and movably screwed in mounting threaded holes in the upper wall of the base (1), the adjusting rod (53) is of a round rod structure, the center of the upper wall of the top end is of a threaded rod structure, the bottom end of the adjusting rod (53) is movably inserted in the auxiliary seat (51), an adjusting threaded hole is formed in the center of the front side wall, the adjusting bolt (54) movably penetrates through the fastening groove in the front side wall of the auxiliary seat (51) and is movably screwed in the adjusting threaded hole in the front side wall of the adjusting rod (53), the auxiliary plate (55) is of a rectangular structure, and a rectangular groove is formed in the center of one end, a plurality of reference holes with different diameters are formed in the center line of the other end of the adjusting rod, one end of the auxiliary plate (55) is movably sleeved on the top end of the adjusting rod (53), and the nut (56) is movably screwed on the top end of the adjusting rod (53).
4. The round hole processing machine tool for the automobile body-in-white parts as claimed in claim 3, characterized in that: the auxiliary seat (51) is of a T-shaped structure, and the top end of the auxiliary seat is of a tubular structure.
5. The round hole processing machine tool for the automobile body-in-white parts as claimed in claim 4, wherein: the clamping seat (41) and the clamping jaw (43) are both L-shaped structures.
6. The round hole processing machine tool for the automobile body-in-white parts as claimed in claim 5, wherein: the moving block (31) is of an H-shaped structure.
7. The round hole processing machine tool for the automobile body-in-white parts as claimed in claim 6, wherein: spacing seat (23) are the ring structure, and fixed welding has the carrier block between its inside left and right sides wall, and both ends are movable respectively and run through in the adjustment tank about the carrier block to fixed welding is served in pneumatic cylinder (22) flexible.
8. The machining method of the round hole machining tool for the automobile body-in-white parts as claimed in claim 7, characterized in that: the method comprises the following steps:
firstly, with the help of stable support of a base (1), one end of a workpiece is placed on a clamping seat (41) in a clamping structure (4), the position and the direction of a hole are determined, a pull rod (44) is screwed with a second rotating handle (46) by rotating the second rotating handle (46), one end of the pull rod (44) is pulled rightwards, a clamping jaw (43) is driven to turn over on an adapter rod (42), the clamping seat (41) is matched with the clamping seat to be clamped and fixed with the help of the action force of a spring (45), and workpieces with various shapes can be clamped according to the shapes of the clamping seat (41) and the clamping jaw (43);
secondly, according to the punching requirement, the position of an auxiliary plate (55) on an adjusting rod (53) in the auxiliary structure (5) can be adjusted, so that a corresponding reference hole corresponds to the punching position of the workpiece, and the corresponding reference hole is fastened by virtue of a nut (56), so that the limiting punching can be performed, and the reference and visual observation effects can be realized; the height of the adjusting rod (53) in the auxiliary seat (51) fixed by the second fastening bolt (52) can be adjusted by the adjusting bolt (54), and the adjusting rod is matched with the workpiece to realize fit;
thirdly, finally, rotating a first rotating handle (33) in the drilling structure (3) according to requirements to drive a screw rod (32) to rotate in a sliding frame (24) in the main body structure (2), further driving a moving block (31) to move on the sliding frame (24) under stress to drive a motor (35) fixed on a mounting plate (34) to move, so that a drill bit (38) is aligned with a drilling position, then controlling the motor (35) to drive, simultaneously controlling a hydraulic cylinder (22) in a main body frame (21) in the main body structure (2) to slowly descend, and driving the drill bit (38) on the sliding frame (24) to be driven to descend through limiting movement of a limiting seat (23) on the main body frame (21) to realize drilling operation; the first fastening screw (37) can also be rotated to replace drill bits (38) of different diameters fixed on the adapter tube (36).
CN202110656885.0A 2021-06-11 2021-06-11 Machine tool and method for machining round holes of automobile body-in-white parts Active CN113275618B (en)

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GB2025282A (en) * 1978-07-17 1980-01-23 Heinemann R A Multi-purpose Machine Tool
CN105478839A (en) * 2016-01-05 2016-04-13 苏州市永通不锈钢有限公司 Fastening-type metal tube drilling machine
CN211161988U (en) * 2019-09-10 2020-08-04 顾银狗 Perforating device is used in automobile parts processing
CN111230768B (en) * 2020-02-19 2020-11-10 山东中天盛科自动化设备有限公司 Fixture for machining
CN213002770U (en) * 2020-08-21 2021-04-20 重庆王安铁艺制品有限公司 Drilling equipment is used in processing production of metal iron art railing

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