CN108406316B - Automatic drilling and tapping all-in-one machine for nut columns - Google Patents

Automatic drilling and tapping all-in-one machine for nut columns Download PDF

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Publication number
CN108406316B
CN108406316B CN201810182326.9A CN201810182326A CN108406316B CN 108406316 B CN108406316 B CN 108406316B CN 201810182326 A CN201810182326 A CN 201810182326A CN 108406316 B CN108406316 B CN 108406316B
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fixed
drilling
tapping
positioning
cylinder
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CN108406316A (en
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苏波
田凤阳
杰顿雷克斯
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Zhoushan Lichi Technology Development Co ltd
Zhoushan Zhengyuan Standard Parts Co ltd
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Zhoushan Zhengyuan Standard Parts Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Drilling And Boring (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

The invention discloses an automatic drilling and tapping integrated machine for a nut column, which comprises a workbench, a rotary table, a stepping motor, a feeding mechanism, a drilling mechanism, a tapping mechanism, a material returning mechanism and a positioning mechanism, wherein the stepping motor is fixed on the upper end surface of the workbench, the rotary table is fixed on a main shaft of the stepping motor, the feeding mechanism, the drilling mechanism, the tapping mechanism and the material returning mechanism are all fixed on the upper end surface of the workbench, the feeding mechanism, the drilling mechanism, the tapping mechanism and the material returning mechanism are sequentially arranged around the rotary table along the rotating direction of the rotary table, a plurality of jigs distributed at equal angles are arranged at the edge of the rotary table, the positioning mechanism is fixed on the upper end surface of the workbench and is positioned below the rotary table, and the positioning mechanism and the rotary. The nut column drilling and tapping device has the advantages that continuous and automatic nut column drilling and tapping operations can be realized, automatic production of the nut column can be realized by connecting the nut column drilling and tapping device with other equipment in series, and the nut column drilling and tapping device has the advantages of simple structure and low manufacturing cost and maintenance cost.

Description

Automatic drilling and tapping all-in-one machine for nut columns
Technical Field
The invention relates to the field of part processing equipment, in particular to an automatic drilling and tapping integrated machine for a nut column.
Background
The pressure riveting nut column is also called as a pressure riveting stud or a nut column, and is a fastener applied to metal plates, thin plates, cases and cabinets, wherein one end of the external shape of the pressure riveting nut column is hexagonal, the other end of the external shape of the pressure riveting nut column is cylindrical, a tool withdrawal groove is arranged between the hexagonal edge and the cylindrical shape, the internal shape of the pressure riveting nut column is internal thread, the diameter of a preset hole of a hexagonal head pressed into the thin plate by a press is generally slightly larger than the external diameter of a cylinder of the pressure riveting stud so as to generate plastic deformation on the periphery of the hole, and the deformed part is squeezed into the tool withdrawal groove of the pressure riveting nut column so as to rivet the pressure riveting nut column on the thin plate.
In the prior art, the equipment for producing the nut column adopts a precise automatic lathe, a main shaft is provided with five groups of cutters and is provided with a fine adjustment screw, and the steps of punching, tapping, edge milling and chamfering are finished at the same time in one step, but the cost of the precise automatic lathe is too high, the maintenance cost is very high, and the precise automatic lathe cannot be popularized.
The invention aims to separately process the nut column which can be integrally processed originally, and designs an automatic drilling and tapping device of the nut column aiming at the processes of drilling and tapping, and the automatic drilling and tapping device can be connected with other devices in series to realize the automatic production of the nut column.
The invention patent with patent number CN 103100856A discloses a brill attacks all-in-one, it includes: a frame; the positioning device comprises an index plate, a positioning part and a positioning part, wherein a plurality of positioning parts for positioning a workpiece are arranged on the plate body of the index plate, and the positioning parts are uniformly distributed around the rotation axis of the plate body; the drilling power head is used for drilling a workpiece; the tapping power head is used for tapping a workpiece, the drilling power head, the tapping power head and the index plate are respectively and fixedly connected with the rack, when the disk body is static, a drill bit of the drilling power head corresponds to the position of one positioning part, and a screw tap of the tapping power head corresponds to the position of the other positioning part; the cleaning device is used for pneumatically cleaning the workpiece and is fixedly connected with the rack; and the control system is used for controlling the disc body to rotate and controlling the drilling power head and the tapping power head to work. In the drilling and tapping integrated machine, each process mechanism is matched with the index plate to form automatic production, so that the occupied field of the machine is reduced, the processing period is shortened, and the manual operation intensity is reduced.
The invention patent solves the problems of automatic drilling and tapping, but does not mention the parts of feeding and returning, and can not realize full-automatic production.
Disclosure of Invention
The invention aims to provide an automatic drilling and tapping integrated machine for nut columns, which aims to solve the problems in the background technology.
The technical scheme of the invention is as follows: including workstation, carousel, step motor, feed mechanism, drilling mechanism, attack tooth mechanism, material returned mechanism and positioning mechanism, step motor fixes at the workstation up end, and the carousel is fixed on step motor's main shaft, and feed mechanism, drilling mechanism, attack tooth mechanism and material returned mechanism all fix the up end at the workstation and four are followed the direction of rotation of carousel sets gradually around the carousel, and the border department of carousel is equipped with a plurality of angularly distributed's such as tool, and step motor drive carousel rotates, can make the tool pass through feed mechanism, drilling mechanism in proper order, attack tooth mechanism and material returned mechanism, and positioning mechanism fixes the up end at the workstation and it is located the below of carousel, positioning mechanism with the carousel constitutes location coordination.
In a preferred embodiment of the present invention, the feeding mechanism includes a vibration feeding tray, a linear vibration feeder, a rail and a feeding manipulator, the vibration feeding tray is placed beside the workbench, the linear vibration feeder is fixed on the upper end surface of the workbench, the rail is carried on the linear vibration feeder, one end of the rail is communicated with the vibration feeding tray, the other end of the rail is arranged adjacent to the turntable, a trough for the workpiece to move linearly inside the trough is arranged on the rail, the feeding manipulator is fixed on the upper end surface of the workbench and is located beside one end of the rail adjacent to the turntable, and the feeding manipulator is used for grabbing and placing the workpiece on the rail in a jig staying at a position corresponding to the feeding mechanism.
In a preferred embodiment of the present invention, the drilling mechanism includes a first bracket, a first sliding table, a first cylinder, a drilling motor, and a drill bit, the first bracket is fixed on the upper end surface of the working table, the first sliding table is slidably fitted on the front end surface of the first bracket, the first sliding table can slide on the front end surface of the first bracket along the vertical direction, the front end surface of the first bracket is provided with two guide rails for fixing the first sliding table and guiding the movement of the first sliding table, the first cylinder is fixed on the front end surface of the first sliding table, the first cylinder is in transmission connection with the first sliding table for providing power for the movement of the first sliding table, the drilling motor is fixed on the first sliding table, and the drill bit is detachably connected to an output shaft of the drilling motor.
In a preferred embodiment of the present invention, the tapping mechanism includes a second bracket, a second sliding table, a second cylinder, a tapping motor, and a screw tap, the second bracket is fixed to the upper end surface of the table, the second sliding table is slidably fitted to the front end surface of the second bracket, the second sliding table can slide in the vertical direction on the front end surface of the second bracket, the front end surface of the second bracket is provided with two guide rails for fixing the second sliding table and guiding the movement of the second sliding table, the second cylinder is fixed to the front end surface of the second sliding table, the second cylinder is in transmission connection with the second sliding table to provide power for the movement of the second sliding table, the tapping motor is fixed to the second sliding table, and the screw tap is detachably connected to an output shaft of the tapping motor.
In a preferred embodiment of the present invention, the jig includes a first base and a second base, the first base is connected to the turntable by screws, the second base is connected to the first base by screws, the first base is provided with a waist-shaped hole for screws to pass through, the second base is provided with a waist-shaped hole for screws to pass through, the first base can slide in a certain range along a straight line through the waist-shaped hole after the screws pass through, the second base can slide in a certain range along a straight line through the waist-shaped hole after the screws pass through, the sliding directions of the first base and the second base are perpendicular, and the second base is provided with a positioning groove having a shape similar to the outer contour of the workpiece.
In a preferred embodiment of the invention, the material returning mechanism comprises an ejecting component, a material moving component and a conveyor belt, wherein the ejecting component is arranged below the turntable, the conveyor belt is fixed on the workbench and is arranged adjacent to the ejecting component, the material moving component is arranged between the ejecting component and the conveyor belt, the ejecting component is used for ejecting a workpiece in the jig from the jig, and the material moving component is used for moving the ejected workpiece to the conveyor belt.
In a preferred embodiment of the invention, the ejection assembly comprises a first fixing plate with an L-shaped vertical section, the first fixing plate is fixed on the upper end surface of the workbench, an ejection cylinder and a first guide block are mounted on the vertical surface of the first fixing plate, the first guide block is positioned right above the ejection cylinder, an ejector rod is arranged in the first guide block, the ejector rod is in sliding guide fit with the first guide block, the ejection cylinder is in transmission connection with the bottom of the ejector rod, and the ejector rod can sequentially penetrate through the turntable, the first base and the second base through the driving of the ejection cylinder.
In a preferred embodiment of the present invention, the material moving assembly includes a third bracket, a slide rail, a slide block, a third cylinder, a fourth cylinder and an air clamp, the third bracket is vertically fixed on the workbench, the slide rail is vertically fixed on a front end surface of the third bracket, the third cylinder is fixed on a top of the third bracket, the slide block is slidably fitted on the slide rail, an output rod of the third cylinder vertically penetrates through the top of the third bracket downwards and then is connected to the slide block, the fourth cylinder is horizontally placed on the slide block, and the air clamp is fixed on an output end of the fourth cylinder.
In a preferred embodiment of the invention, the positioning mechanism comprises a second fixing plate with an L-shaped vertical section, the second fixing plate is fixed on the upper end surface of the workbench, a positioning cylinder and a second guide block are mounted on the vertical surface of the second fixing plate, the second guide block is positioned right above the positioning cylinder, a positioning pin is arranged in the second guide block, the positioning pin is in sliding guiding fit with the second guide block, the positioning cylinder is in transmission connection with the bottom of the positioning pin, the positioning pin can be inserted on the turntable through the driving of the positioning cylinder, the turntable is provided with a plurality of positioning holes matched with the positioning pin, the plurality of positioning holes are uniformly distributed along the circumferential direction of the turntable, and the number of the positioning holes is the same as that of the jigs.
The invention provides an automatic drilling and tapping integrated machine of a nut column through improvement, and compared with the prior art, the automatic drilling and tapping integrated machine has the following improvements and advantages:
(1) the automatic feeding device is provided with a feeding mechanism, the feeding mechanism comprises a vibration feeding disc, a linear vibration feeder, a track and a feeding manipulator, the vibration feeding disc can orderly arrange the workpieces inside the vibration feeding disc through vibration and send the workpieces into the track in a fixed posture, the linear vibration feeder conveys the workpieces in the track along a straight line, and the feeding manipulator can grab and place the workpieces at the tail material level on the track in a jig staying at the position corresponding to the feeding mechanism, so that automatic feeding is realized;
(2) the fixture comprises a first base and a second base, the first base and the second base can slide in a certain range along a straight line, the sliding directions of the first base and the second base are perpendicular to each other, the position of the positioning groove in a horizontal plane can be adjusted, the concentricity between the positioning groove and the drill bit and the screw tap can be conveniently calibrated, the positioning groove is matched with the shape of a workpiece, the workpiece is placed into the positioning groove in a posture that a cylindrical head faces downwards after the workpiece is grabbed by the feeding manipulator, and the hexagonal head of the workpiece can be clamped and fixed in the upper end of the positioning groove to prevent the workpiece from rotating; the fixture realizes the positioning of the workpiece only by the positioning groove of the fixture, does not need other execution mechanisms for matching, and has the advantage of simple structure.
(3) The material returning mechanism comprises a material ejecting component, a material moving component and a conveyor belt, wherein the material ejecting component can eject a workpiece in the jig from the jig, the material moving component can move the ejected workpiece to the conveyor belt, and the workpiece is conveyed to subsequent processing equipment by the conveyor belt; it has realized automatic material returned.
(4) The rotary table drives a plurality of jigs to sequentially pass through the feeding mechanism, the drilling mechanism, the tapping mechanism and the material returning mechanism, automatic feeding, drilling, tapping and material returning are realized through the feeding mechanism, the drilling mechanism, the tapping mechanism and the material returning mechanism, and further continuous and automatic nut column drilling and tapping operation is realized.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a partial schematic view of the first embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a second partial schematic view of the present invention;
FIG. 6 is a third schematic view of a portion of the present invention;
FIG. 7 is a schematic cross-sectional view of a portion of the present invention;
FIG. 8 is an enlarged partial view of FIG. 7;
description of reference numerals:
the device comprises a workbench 1, a turntable 2, a positioning hole 21, a stepping motor 3, a feeding mechanism 4, a linear vibration feeder 41, a rail 42, a drilling mechanism 5, a first support 51, a first sliding table 52, a drilling motor 54, a drill 55, a tapping mechanism 6, a second support 61, a second sliding table 62, a second air cylinder 63, a tapping motor 64, a screw tap 65, a material returning mechanism 7, a material ejecting assembly 71, a first fixing plate 711, a material ejecting air cylinder 712, a first guide block 713, an ejector rod 714, a material moving assembly 72, a third support 721, a sliding rail 722, a sliding block 723, a third air cylinder 724, a fourth air cylinder 725, an air clamp 726, a conveyor belt 73, a jig 8, a first base 81, a second base 82, a positioning mechanism 9, a second fixing plate 91, a positioning air cylinder 92, a second guide block 93 and a positioning pin 94.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides an automatic drilling and tapping integrated machine for nut columns through improvement, which comprises a workbench 1, a rotary table 2, a stepping motor 3, a feeding mechanism 4, a drilling mechanism 5, a tapping mechanism 6, a material returning mechanism 7 and a positioning mechanism 9, wherein the stepping motor 3 is fixed on the upper end surface of the workbench 1, the rotary table 2 is fixed on a main shaft of the stepping motor 3, the feeding mechanism 4, the drilling mechanism 5, the tapping mechanism 6 and the material returning mechanism 7 are all fixed on the upper end surface of the workbench 1, the four mechanisms are sequentially arranged around the rotary table 2 along the rotating direction of the rotary table 2, a plurality of jigs 8 distributed at equal angles are arranged at the edge of the rotary table 2, the stepping motor 3 drives the rotary table 2 to rotate, the jigs 8 can sequentially pass through the feeding mechanism 4, the drilling mechanism 5, the tapping mechanism 6 and the material returning mechanism 7, the positioning mechanism 9 is fixed on the upper end surface of the workbench 1 and is positioned below the rotary table 2, the positioning mechanism 9 and the turntable 2 form positioning fit.
The principle of the invention is as follows: the nut column which is integrally machined originally is separately machined, and the invention aims at the working procedures of drilling and tapping; during operation, the rotary table 2 drives the plurality of jigs 8 to sequentially pass through the feeding mechanism 4, the drilling mechanism 5, the tapping mechanism 6 and the material returning mechanism 7, automatic feeding, drilling, tapping and material returning are realized through the feeding mechanism 4, the drilling mechanism 5, the tapping mechanism 6 and the material returning mechanism 7, continuous and automatic nut column drilling and tapping operation is further realized, the nut column drilling and tapping device is connected with other equipment in series, automatic production of the nut column can be realized, and the nut column drilling and tapping device has the advantages of simple structure, low manufacturing cost and low maintenance cost.
Preferably, the feeding mechanism 4 includes a vibration feeding tray, a linear vibration feeder 41, a rail 42 and a feeding manipulator, the vibration feeding tray is disposed at the side of the workbench 1, the linear vibration feeder 41 is fixed on the upper end surface of the workbench 1, the rail 42 is carried on the linear vibration feeder 41, one end of the rail 42 is communicated with the vibration feeding tray, the other end of the rail 42 is arranged close to the turntable 2, a trough for the workpiece to move linearly inside the rail 42 is formed in the rail 42, the vibration feeding tray can arrange the workpiece inside the vibration feeding tray in a vibrating manner, and send the workpiece into the rail 42 in a fixed posture, the linear vibration feeder 41 sends the workpiece in the rail 42 along a straight line, the feeding manipulator is fixed on the upper end surface of the workbench 1 and located at the side of the rail 42 close to one end of the turntable 2, and the feeding manipulator is used for grabbing the workpiece at the tail end of the rail 42 and placing the workpiece on a jig 8 at the position corresponding to the feeding mechanism at And (4) the following steps.
Preferably, the drilling mechanism 5 includes a first support 51, a first sliding table 52, a first air cylinder, a drilling motor 54 and a drill 55, the first support 51 is fixed on the upper end surface of the workbench 1, the first sliding table 52 is in sliding fit with the front end surface of the first support 51, the first sliding table 52 can slide on the front end surface of the first support 51 along the vertical direction, the front end surface of the first support 51 is provided with two guide rails for fixing the first sliding table 52 and guiding the movement thereof, the first air cylinder is fixed on the front end surface of the first sliding table 52, the first air cylinder is in transmission connection with the first sliding table 52 for providing power for the movement of the first sliding table 52, the drilling motor 54 is fixed on the first sliding table 52, and the drill 55 is detachably connected on an output shaft of the drilling motor 54; the first cylinder can drive the first sliding table 52 to ascend and descend, and then can drive the drilling motor 54 to perform feeding motion relative to the jig 8 staying below the drilling motor, and the drilling motor 54 drives the drill 55 to rotate so as to drill a workpiece in the jig 8.
Preferably, the tapping mechanism 6 comprises a second support 61, a second sliding table 62, a second cylinder 63, a tapping motor 64 and a screw tap 65, the second support 61 is fixed on the upper end surface of the workbench 1, the second sliding table 62 is in sliding fit with the front end surface of the second support 61, the second sliding table 62 can slide on the front end surface of the second support 61 along the vertical direction, the front end surface of the second support 61 is provided with two guide rails for fixing the second sliding table 62 and guiding the movement of the second sliding table 62, the second cylinder 63 is fixed on the front end surface of the second sliding table 62, the second cylinder 63 is in transmission connection with the second sliding table 62 to provide power for the movement of the second sliding table 62, the tapping motor 64 is fixed on the second sliding table 62, and the screw tap 65 is detachably connected to an output shaft of the tapping motor 64; the second cylinder 63 can drive the second sliding table 62 to ascend and descend, and then can drive the tapping motor 64 to perform feeding motion relative to the jig 8 staying below the tapping motor 64, and the tapping motor 64 drives the screw tap 65 to rotate so as to tap a workpiece in the jig 8.
Preferably, the jig 8 comprises a first base 81 and a second base 82, the first base 81 is connected to the turntable 2 through screws, the second base 82 is connected to the first base 81 through screws, the first base 81 is provided with a waist-shaped hole for screws to pass through, the second base 82 is provided with a waist-shaped hole for screws to pass through, the first base 81 can slide along a straight line in a certain range through the waist-shaped hole after the screws pass through, and further the position of the first base 81 can be finely adjusted, the second base 82 can slide along a straight line in a certain range through the waist-shaped hole after the screws pass through, and further the position of the second base 82 can be finely adjusted, the sliding directions of the first base 81 and the second base 82 are perpendicular, the second base 82 is provided with a positioning groove which is similar to the outer contour shape of a workpiece, and by adjusting the positions of the first base 81 and the second base 82, the position of the positioning groove in the horizontal plane can be adjusted, so that the concentricity between the positioning groove and the drill bit 55 and the tap 65 can be conveniently calibrated.
Preferably, the material returning mechanism 7 comprises an ejection assembly 71, a material moving assembly 72 and a conveyor belt 73, the ejection assembly 71 is arranged below the turntable 2, the conveyor belt 73 is fixed on the workbench 1 and is arranged adjacent to the ejection assembly 71, the material moving assembly 72 is arranged between the ejection assembly 71 and the conveyor belt 73, the ejection assembly 71 is used for ejecting a workpiece in the jig 8 from the jig 8, the material moving assembly 72 is used for moving the ejected workpiece onto the conveyor belt 73, and the workpiece is conveyed to subsequent processing equipment by the conveyor belt 73.
Preferably, the ejection assembly 71 comprises a first fixing plate 711 with an L-shaped vertical cross section, the first fixing plate 711 is fixed on the upper end surface of the workbench 1, an ejection cylinder 712 and a first guide block 713 are mounted on the vertical surface of the first fixing plate 711, the first guide block 713 is located right above the ejection cylinder 712, an ejector rod 714 is disposed in the first guide block 713, the ejector rod 714 is in sliding guide fit with the first guide block 713, the ejection cylinder 712 is in transmission connection with the bottom of the ejector rod 714, the ejector rod 714 can sequentially pass through the turntable 2, the first base 81 and the second base 82 by driving of the ejection cylinder 712, holes for the ejector rod 714 to pass through are formed in the turntable 2 and the first base 81, the positioning groove on the second base 82 comprises an upper hexagonal hole and a lower circular hole according to the shape of a workpiece, the circular hole penetrates through the lower end surface of the second base 82, the ejector rod 714 enters the circular hole after passing through the turntable 2 and the first base 81, the workpiece in the positioning groove is ejected out, so that the top of the workpiece is exposed outside the positioning groove, and the subsequent material moving assembly 72 is convenient to clamp.
Preferably, the material moving assembly 72 includes a third support 721, a sliding rail 722, a sliding block 723, a third air cylinder 724, a fourth air cylinder 725 and an air clamp 726, the third support 721 is vertically fixed on the working table 1, the sliding rail 722 is vertically fixed on the front end surface of the third support 721, the third air cylinder 724 is fixed on the top of the third support 721, the sliding block 723 is in sliding fit on the sliding rail 722, an output rod of the third air cylinder 724 vertically passes through the top of the third support 721 downwards and then is connected to the sliding block 723, the fourth air cylinder 725 is horizontally placed on the sliding block 723, and the air clamp 726 is fixed on the output end of the fourth air cylinder 725; after the workpiece is ejected by the ejector rod 714, the upper part of the workpiece is clamped by the air clamp 726, the third air cylinder 724 drives the sliding block 723 to rise, the air clamp 726 moves synchronously with the sliding block 723 to completely pull out the workpiece from the jig 8, finally, the fourth air cylinder 725 contracts to drive the air clamp 726 to move above the conveyor belt 73, and after the air clamp 726 is loosened, the workpiece falls onto the conveyor belt 73 and is conveyed to subsequent processing equipment by the conveyor belt 73.
Preferably, the positioning mechanism 9 includes a second fixing plate 91 with an L-shaped vertical cross section, the second fixing plate 91 is fixed on the upper end surface of the workbench 1, a positioning cylinder 92 and a second guide block 93 are installed on the vertical surface of the second fixing plate 91, the second guide block 93 is located right above the positioning cylinder 92, a positioning pin 94 is installed in the second guide block 93, the positioning pin 94 is in sliding guiding fit with the second guide block 93, the positioning cylinder 92 is in transmission connection with the bottom of the positioning pin 94, the positioning pin 94 can be inserted on the turntable 2 by driving of the positioning cylinder 92, the turntable 2 is provided with a plurality of positioning holes 21 matching with the positioning pin 94, the plurality of positioning holes 21 are uniformly distributed along the circumferential direction of the turntable 2, the number of the positioning holes 21 is the same as that of the jigs 8, when the turntable 2 stops rotating, one of the plurality of positioning holes 21 can stay right above the positioning pin 94, the positioning cylinder 92 drives the positioning pin 94 to ascend, drives the positioning pin 94 to be inserted into the positioning hole 21, positions the turntable 2, ensures that a workpiece can be coaxial with the drill 55 and the screw tap 65, and ensures the accuracy of drilling and tapping; meanwhile, the turntable 2 is prevented from moving during drilling and tapping.
The detailed working steps of the invention are as follows:
(1) the stepping motor 3 drives the turntable 2 to rotate in a stepping mode, when the turntable 2 stops, the positioning mechanism 9 works, the positioning cylinder 92 drives the positioning pin 94 to ascend, and the positioning pin 94 is driven to be inserted into one corresponding positioning hole 21 to position the turntable 2.
(2) The workpieces in the vibrating feed tray are arranged in order by vibration and are fed into the rail 42 in a fixed posture, the workpieces in the rail 42 are conveyed along a straight line by the linear vibrating feeder 41, and the workpieces at the tail end material level on the rail 42 are grabbed by the feeding manipulator and are placed in the jig 8 staying at the position corresponding to the feeding mechanism; and automatic feeding is realized.
(3) The positioning mechanism 9 resets, the rotary table 2 stops after rotating for a certain angle, the positioning mechanism 9 positions the rotary table 2 again, the jig 8 with the workpiece moves to the lower part of the drilling mechanism 5 along with the movement of the rotary table 2, the drilling mechanism works, the first sliding table 52 can be driven to lift by the first air cylinder, the drilling motor 54 can be driven to perform feeding motion relative to the jig 8 stopped below the drilling motor, the drilling motor 54 drives the drill 55 to rotate, and the workpiece in the jig 8 is drilled.
(4) After drilling, positioning mechanism 9 resets, and carousel 2 stops once more after rotating certain angle, and positioning mechanism 9 fixes a position the carousel 2 once more, and the work piece after the drilling moves to attacking tooth mechanism below along with the removal of carousel 2, is gone up and down by second cylinder 63 drive second slip table 62, and then can drive and attack tooth motor 64 and carry out feed motion for tool 8 that stops below it, drives the screw tap 65 by attacking tooth motor 64 and rotates, attacks the tooth to the work piece in the tool 8.
(5) After tapping, the positioning mechanism 9 is reset, the turntable 2 stops after rotating for a certain angle, the positioning mechanism 9 positions the turntable 2 again, and the tapped workpiece moves to a material pushing mechanism along with the rotation of the turntable 2, namely the workpiece moves to the position right above the material ejecting assembly 71; the ejector cylinder 712 drives the ejector rod 714 to ascend, and the ejector rod 714 enters the circular hole after penetrating through the turntable 2 and the first base 81 to eject the workpiece in the positioning groove; after the workpiece is ejected, the upper part of the workpiece is clamped by the air clamp 726, the third air cylinder 724 drives the sliding block 723 to rise, the air clamp 726 moves synchronously with the sliding block 723 to completely pull out the workpiece from the jig 8, and finally the fourth air cylinder 725 contracts to drive the air clamp 726 to move above the conveyor belt 73, and after the air clamp 726 is loosened, the workpiece falls onto the conveyor belt 73 and is conveyed to subsequent processing equipment by the conveyor belt 73; and material returning is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides an automatic drilling of nut post attacks tooth all-in-one, includes workstation (1), carousel (2), step motor (3), drilling mechanism (5), attacks tooth mechanism (6) and positioning mechanism (9), its characterized in that: the automatic tapping machine is characterized by further comprising a feeding mechanism (4) and a material returning mechanism (7), wherein the stepping motor (3) is fixed on the upper end face of the workbench (1), the turntable (2) is fixed on a main shaft of the stepping motor (3), the feeding mechanism (4), the drilling mechanism (5), the tapping mechanism (6) and the material returning mechanism (7) are all fixed on the upper end face of the workbench (1), four of the feeding mechanism (4), the drilling mechanism (5), the tapping mechanism (6) and the material returning mechanism (7) are sequentially arranged around the turntable (2) along the rotating direction of the turntable (2), a plurality of jigs (8) distributed at equal angles are arranged at the edge of the turntable (2), the stepping motor (3) drives the turntable (2) to rotate, the jigs (8) can sequentially pass through the feeding mechanism (4), the drilling mechanism (5), the tapping mechanism (6) and the material returning mechanism (7), a positioning mechanism (9) is fixed on the upper end face of the workbench (1, the positioning mechanism (9) and the turntable (2) form positioning fit; the jig (8) comprises a first base (81) and a second base (82), the first base (81) is connected to the rotary table (2) through screws, the second base (82) is connected to the first base (81) through screws, waist-shaped holes for screws to pass through are formed in the first base (81), waist-shaped holes for screws to pass through are formed in the second base (82), the first base (81) can slide in a certain range along a straight line through the waist-shaped holes after the screws pass through, the second base (82) can slide in a certain range along a straight line through the waist-shaped holes after the screws pass through, the sliding directions of the first base (81) and the second base (82) are perpendicular, and positioning grooves similar to the outline shape of a workpiece are formed in the second base (82); the material returning mechanism (7) comprises an ejection component (71), a material moving component (72) and a conveyor belt (73), the ejection component (71) is arranged below the turntable (2), the conveyor belt (73) is fixed on the workbench (1) and is arranged adjacent to the ejection component (71), the material moving component (72) is arranged between the ejection component (71) and the conveyor belt (73), the ejection component (71) is used for ejecting a workpiece in the jig (8) out of the jig (8), and the material moving component (72) is used for moving the ejected workpiece to the conveyor belt (73); liftout subassembly (71) include that vertical cross-section is first fixed plate (711) of L type, and first fixed plate (711) are fixed the up end of workstation (1), install liftout cylinder (712) and first guide block (713) on the vertical face of first fixed plate (711), first guide block (713) are located directly over liftout cylinder (712), be equipped with ejector pin (714) in first guide block (713), ejector pin (714) with first guide block (713) sliding guide cooperation, liftout cylinder (712) with the bottom transmission of ejector pin (714) is connected, ejector pin (714) pass through the drive of liftout cylinder (712) can pass carousel (2), first base (81) and second base (82) in proper order.
2. The automated drilling and tapping all-in-one machine for nut columns according to claim 1, wherein: feed mechanism (4) are including vibration pay-off dish, rectilinear vibration feeder (41), track (42) and material loading manipulator, the vibration pay-off dish place in the side of workstation (1), rectilinear vibration feeder (41) are fixed at the up end of workstation (1), track (42) are carried on rectilinear vibration feeder (41), the one end and the vibration pay-off dish intercommunication of track (42), the other end and carousel (2) of track (42) are close to the setting, set up the silo that supplies the work piece at its inside along rectilinear movement on track (42), material loading manipulator fixes the up end of workstation (1) and its side that is located track (42) and closes on the one end of carousel (2), material loading manipulator is used for snatching the work piece on track (42) and places in tool (8) that stop in the position that feed mechanism corresponds.
3. The automated drilling and tapping all-in-one machine for nut columns according to claim 1, wherein: the drilling mechanism (5) comprises a first bracket (51) and a first sliding table (52), first cylinder, drilling motor (54) and drill bit (55), the up end at workstation (1) is fixed in first support (51), and first slip table (52) sliding fit is in on the preceding terminal surface of first support (51), first slip table (52) can slide along vertical direction at the preceding terminal surface of first support (51), and the preceding terminal surface of first support (51) is equipped with and is used for fixing first slip table (52) and carries out two guide rails that lead to its motion, and first cylinder is fixed on the preceding terminal surface of first slip table (52), first cylinder is connected in order to be used for providing power for the motion of first slip table (52) with first slip table (52) transmission, and drilling motor (54) are fixed on first slip table (52), and drill bit (55) detachable connects on the output shaft of drilling motor (54).
4. The automated drilling and tapping all-in-one machine for nut columns according to claim 1, wherein: the tapping mechanism (6) comprises a second bracket (61) and a second sliding table (62), second cylinder (63), attack tooth motor (64) and screw tap (65), the up end at workstation (1) is fixed in second support (61), and second slip table (62) sliding fit is in on the preceding terminal surface of second support (61), second slip table (62) can slide along vertical direction at the preceding terminal surface of second support (61), and the preceding terminal surface of second support (61) is equipped with and is used for fixing second slip table (62) and carries out two guide rails that lead to its motion, and second cylinder (63) are fixed on the preceding terminal surface of second slip table (62), second cylinder (63) are connected with second slip table (62) transmission in order to be used for providing power for the motion of second slip table (62), and attack tooth motor (64) are fixed on second slip table (62), screw tap (65) detachable connection is in on the output shaft of attacking tooth motor (64).
5. The automated drilling and tapping all-in-one machine for nut columns according to claim 1, wherein: the material moving assembly (72) comprises a third support (721), a sliding rail (722), a sliding block (723), a third air cylinder (724), a fourth air cylinder (725) and an air clamp (726), the third support (721) is vertically fixed on the workbench (1), the sliding rail (722) is vertically fixed on the front end face of the third support (721), the third air cylinder (724) is fixed on the top of the third support (721), the sliding block (723) is in sliding fit on the sliding rail (722), an output rod of the third air cylinder (724) vertically penetrates through the top of the third support (721) downwards and then is connected to the sliding block (723), the fourth air cylinder (725) is horizontally arranged on the sliding block (723), and the air clamp (726) is fixed on the output end of the fourth air cylinder (725).
6. The automated drilling and tapping all-in-one machine for nut columns according to claim 1, wherein: the positioning mechanism (9) comprises a second fixing plate (91) with an L-shaped vertical section, the second fixing plate (91) is fixed on the upper end face of the workbench (1), a positioning cylinder (92) and a second guide block (93) are installed on the vertical face of the second fixing plate (91), the second guide block (93) is located right above the positioning cylinder (92), a positioning pin (94) is arranged in the second guide block (93), the positioning pin (94) is in sliding guide fit with the second guide block (93), the positioning cylinder (92) is in transmission connection with the bottom of the positioning pin (94), the positioning pin (94) can be inserted into the turntable (2) through the driving of the positioning cylinder (92), the turntable (2) is provided with a plurality of positioning holes (21) matched with the positioning pin (94), and the plurality of positioning holes (21) are uniformly distributed along the circumferential direction of the turntable (2), the number of the positioning holes (21) is the same as that of the jigs (8).
CN201810182326.9A 2018-03-06 2018-03-06 Automatic drilling and tapping all-in-one machine for nut columns Active CN108406316B (en)

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